5 eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
8 # automake - create Makefile.in from Makefile.am
9 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
10 # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free
11 # Software Foundation, Inc.
13 # This program is free software; you can redistribute it and/or modify
14 # it under the terms of the GNU General Public License as published by
15 # the Free Software Foundation; either version 2, or (at your option)
18 # This program is distributed in the hope that it will be useful,
19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 # GNU General Public License for more details.
23 # You should have received a copy of the GNU General Public License
24 # along with this program. If not, see <http://www.gnu.org/licenses/>.
26 # Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
27 # Perl reimplementation by Tom Tromey <tromey@redhat.com>, and
28 # Alexandre Duret-Lutz <adl@gnu.org>.
34 my $perllibdir = $ENV{'perllibdir'} || '@datadir@/@PACKAGE@-@APIVERSION@';
35 unshift @INC, (split '@PATH_SEPARATOR@', $perllibdir);
37 # Override SHELL. This is required on DJGPP so that system() uses
38 # bash, not COMMAND.COM which doesn't quote arguments properly.
39 # Other systems aren't expected to use $SHELL when Automake
40 # runs, but it should be safe to drop the `if DJGPP' guard if
41 # it turns up other systems need the same thing. After all,
42 # if SHELL is used, ./configure's SHELL is always better than
43 # the user's SHELL (which may be something like tcsh).
44 $ENV{'SHELL'} = '@SHELL@' if exists $ENV{'DJDIR'};
48 struct (# Short name of the language (c, f77...).
50 # Nice name of the language (C, Fortran 77...).
53 # List of configure variables which must be defined.
57 # `pure' is `1' or `'. A `pure' language is one where, if
58 # all the files in a directory are of that language, then we
59 # do not require the C compiler or any code to call it.
64 # Name of the compiling variable (COMPILE).
66 # Content of the compiling variable.
68 # Flag to require compilation without linking (-c).
69 'compile_flag' => "\$",
71 # A subroutine to compute a list of possible extensions of
72 # the product given the input extensions.
73 # (defaults to a subroutine which returns ('.$(OBJEXT)', '.lo'))
74 'output_extensions' => "\$",
75 # A list of flag variables used in 'compile'.
79 # Any tag to pass to libtool while compiling.
80 'libtool_tag' => "\$",
82 # The file to use when generating rules for this language.
83 # The default is 'depend2'.
86 # Name of the linking variable (LINK).
88 # Content of the linking variable.
91 # Name of the compiler variable (CC).
94 # Name of the linker variable (LD).
96 # Content of the linker variable ($(CC)).
99 # Flag to specify the output file (-o).
100 'output_flag' => "\$",
103 # This is a subroutine which is called whenever we finally
104 # determine the context in which a source file will be
106 '_target_hook' => "\$",
108 # If TRUE, nodist_ sources will be compiled using specific rules
109 # (i.e. not inference rules). The default is FALSE.
110 'nodist_specific' => "\$");
116 if (defined $self->_finish)
118 &{$self->_finish} (@_);
122 sub target_hook ($$$$%)
125 if (defined $self->_target_hook)
127 &{$self->_target_hook} (@_);
134 use Automake::Config;
141 require Thread::Queue;
142 import Thread::Queue;
145 use Automake::General;
147 use Automake::Channels;
148 use Automake::ChannelDefs;
149 use Automake::Configure_ac;
150 use Automake::FileUtils;
151 use Automake::Location;
152 use Automake::Condition qw/TRUE FALSE/;
153 use Automake::DisjConditions;
154 use Automake::Options;
155 use Automake::Version;
156 use Automake::Variable;
157 use Automake::VarDef;
159 use Automake::RuleDef;
160 use Automake::Wrap 'makefile_wrap';
169 # Some regular expressions. One reason to put them here is that it
170 # makes indentation work better in Emacs.
172 # Writing singled-quoted-$-terminated regexes is a pain because
173 # perl-mode thinks of $' as the ${'} variable (instead of a $ followed
174 # by a closing quote. Letting perl-mode think the quote is not closed
175 # leads to all sort of misindentations. On the other hand, defining
176 # regexes as double-quoted strings is far less readable. So usually
179 # $REGEX = '^regex_value' . "\$";
181 my $IGNORE_PATTERN = '^\s*##([^#\n].*)?\n';
182 my $WHITE_PATTERN = '^\s*' . "\$";
183 my $COMMENT_PATTERN = '^#';
184 my $TARGET_PATTERN='[$a-zA-Z0-9_.@%][-.a-zA-Z0-9_(){}/$+@%]*';
185 # A rule has three parts: a list of targets, a list of dependencies,
186 # and optionally actions.
188 "^($TARGET_PATTERN(?:(?:\\\\\n|\\s)+$TARGET_PATTERN)*) *:([^=].*|)\$";
190 # Only recognize leading spaces, not leading tabs. If we recognize
191 # leading tabs here then we need to make the reader smarter, because
192 # otherwise it will think rules like `foo=bar; \' are errors.
193 my $ASSIGNMENT_PATTERN = '^ *([^ \t=:+]*)\s*([:+]?)=\s*(.*)' . "\$";
194 # This pattern recognizes a Gnits version id and sets $1 if the
195 # release is an alpha release. We also allow a suffix which can be
196 # used to extend the version number with a "fork" identifier.
197 my $GNITS_VERSION_PATTERN = '\d+\.\d+([a-z]|\.\d+)?(-[A-Za-z0-9]+)?';
199 my $IF_PATTERN = '^if\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*)\s*(?:#.*)?' . "\$";
201 '^else(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
203 '^endif(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
204 my $PATH_PATTERN = '(\w|[+/.-])+';
205 # This will pass through anything not of the prescribed form.
206 my $INCLUDE_PATTERN = ('^include\s+'
207 . '((\$\(top_srcdir\)/' . $PATH_PATTERN . ')'
208 . '|(\$\(srcdir\)/' . $PATH_PATTERN . ')'
209 . '|([^/\$]' . $PATH_PATTERN . '))\s*(#.*)?' . "\$");
211 # Directories installed during 'install-exec' phase.
212 my $EXEC_DIR_PATTERN =
213 '^(?:bin|sbin|libexec|sysconf|localstate|lib|pkglib|.*exec.*)' . "\$";
215 # Values for AC_CANONICAL_*
216 use constant AC_CANONICAL_BUILD => 1;
217 use constant AC_CANONICAL_HOST => 2;
218 use constant AC_CANONICAL_TARGET => 3;
220 # Values indicating when something should be cleaned.
221 use constant MOSTLY_CLEAN => 0;
222 use constant CLEAN => 1;
223 use constant DIST_CLEAN => 2;
224 use constant MAINTAINER_CLEAN => 3;
227 my @libtool_files = qw(ltmain.sh config.guess config.sub);
228 # ltconfig appears here for compatibility with old versions of libtool.
229 my @libtool_sometimes = qw(ltconfig ltcf-c.sh ltcf-cxx.sh ltcf-gcj.sh);
231 # Commonly found files we look for and automatically include in
234 (qw(ABOUT-GNU ABOUT-NLS AUTHORS BACKLOG COPYING COPYING.DOC COPYING.LIB
235 COPYING.LESSER ChangeLog INSTALL NEWS README THANKS TODO
236 ansi2knr.1 ansi2knr.c compile config.guess config.rpath config.sub
237 depcomp elisp-comp install-sh libversion.in mdate-sh missing
238 mkinstalldirs py-compile texinfo.tex ylwrap),
239 @libtool_files, @libtool_sometimes);
241 # Commonly used files we auto-include, but only sometimes. This list
242 # is used for the --help output only.
243 my @common_sometimes =
244 qw(aclocal.m4 acconfig.h config.h.top config.h.bot configure
245 configure.ac configure.in stamp-vti);
247 # Standard directories from the GNU Coding Standards, and additional
248 # pkg* directories from Automake. Stored in a hash for fast member check.
249 my %standard_prefix =
250 map { $_ => 1 } (qw(bin data dataroot doc dvi exec html include info
251 lib libexec lisp locale localstate man man1 man2
252 man3 man4 man5 man6 man7 man8 man9 oldinclude pdf
253 pkgdata pkginclude pkglib pkglibexec ps sbin
254 sharedstate sysconf));
256 # Copyright on generated Makefile.ins.
257 my $gen_copyright = "\
258 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
259 # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
261 # This Makefile.in is free software; the Free Software Foundation
262 # gives unlimited permission to copy and/or distribute it,
263 # with or without modifications, as long as this notice is preserved.
265 # This program is distributed in the hope that it will be useful,
266 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
267 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
268 # PARTICULAR PURPOSE.
271 # These constants are returned by the lang_*_rewrite functions.
272 # LANG_SUBDIR means that the resulting object file should be in a
273 # subdir if the source file is. In this case the file name cannot
274 # have `..' components.
275 use constant LANG_IGNORE => 0;
276 use constant LANG_PROCESS => 1;
277 use constant LANG_SUBDIR => 2;
279 # These are used when keeping track of whether an object can be built
280 # by two different paths.
281 use constant COMPILE_LIBTOOL => 1;
282 use constant COMPILE_ORDINARY => 2;
284 # We can't always associate a location to a variable or a rule,
285 # when it's defined by Automake. We use INTERNAL in this case.
286 use constant INTERNAL => new Automake::Location;
288 # Serialization keys for message queues.
289 use constant QUEUE_MESSAGE => "msg";
290 use constant QUEUE_CONF_FILE => "conf file";
291 use constant QUEUE_LOCATION => "location";
292 use constant QUEUE_STRING => "string";
295 ## ---------------------------------- ##
296 ## Variables related to the options. ##
297 ## ---------------------------------- ##
299 # TRUE if we should always generate Makefile.in.
300 my $force_generation = 1;
302 # From the Perl manual.
303 my $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
305 # TRUE if missing standard files should be installed.
308 # TRUE if we should copy missing files; otherwise symlink if possible.
309 my $copy_missing = 0;
311 # TRUE if we should always update files that we know about.
312 my $force_missing = 0;
315 ## ---------------------------------------- ##
316 ## Variables filled during files scanning. ##
317 ## ---------------------------------------- ##
319 # Name of the configure.ac file.
322 # Files found by scanning configure.ac for LIBOBJS.
325 # Names used in AC_CONFIG_HEADER call.
326 my @config_headers = ();
328 # Names used in AC_CONFIG_LINKS call.
329 my @config_links = ();
331 # Directory where output files go. Actually, output files are
332 # relative to this directory.
333 my $output_directory;
335 # List of Makefile.am's to process, and their corresponding outputs.
336 my @input_files = ();
337 my %output_files = ();
339 # Complete list of Makefile.am's that exist.
340 my @configure_input_files = ();
342 # List of files in AC_CONFIG_FILES/AC_OUTPUT without Makefile.am's,
344 my @other_input_files = ();
345 # Where each AC_CONFIG_FILES/AC_OUTPUT/AC_CONFIG_LINK/AC_CONFIG_HEADER appears.
346 # The keys are the files created by these macros.
347 my %ac_config_files_location = ();
348 # The condition under which AC_CONFIG_FOOS appears.
349 my %ac_config_files_condition = ();
351 # Directory to search for configure-required files. This
352 # will be computed by &locate_aux_dir and can be set using
353 # AC_CONFIG_AUX_DIR in configure.ac.
354 # $CONFIG_AUX_DIR is the `raw' directory, valid only in the source-tree.
355 my $config_aux_dir = '';
356 my $config_aux_dir_set_in_configure_ac = 0;
357 # $AM_CONFIG_AUX_DIR is prefixed with $(top_srcdir), so it can be used
359 my $am_config_aux_dir = '';
361 # Directory to search for AC_LIBSOURCE files, as set by AC_CONFIG_LIBOBJ_DIR
363 my $config_libobj_dir = '';
365 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
366 my $seen_gettext = 0;
367 # Whether AM_GNU_GETTEXT([external]) is used.
368 my $seen_gettext_external = 0;
369 # Where AM_GNU_GETTEXT appears.
370 my $ac_gettext_location;
371 # Whether AM_GNU_GETTEXT_INTL_SUBDIR has been seen.
372 my $seen_gettext_intl = 0;
374 # Lists of tags supported by Libtool.
375 my %libtool_tags = ();
376 # 1 if Libtool uses LT_SUPPORTED_TAG. If it does, then it also
377 # uses AC_REQUIRE_AUX_FILE.
378 my $libtool_new_api = 0;
380 # Most important AC_CANONICAL_* macro seen so far.
381 my $seen_canonical = 0;
382 # Location of that macro.
383 my $canonical_location;
385 # Where AM_MAINTAINER_MODE appears.
388 # Actual version we've seen.
389 my $package_version = '';
391 # Where version is defined.
392 my $package_version_location;
394 # TRUE if we've seen AM_ENABLE_MULTILIB.
395 my $seen_multilib = 0;
397 # TRUE if we've seen AM_PROG_CC_C_O
400 # Location of AC_REQUIRE_AUX_FILE calls, indexed by their argument.
401 my %required_aux_file = ();
403 # Where AM_INIT_AUTOMAKE is called;
404 my $seen_init_automake = 0;
406 # TRUE if we've seen AM_AUTOMAKE_VERSION.
407 my $seen_automake_version = 0;
409 # Hash table of discovered configure substitutions. Keys are names,
410 # values are `FILE:LINE' strings which are used by error message
412 my %configure_vars = ();
414 # Ignored configure substitutions (i.e., variables not to be output in
416 my %ignored_configure_vars = ();
418 # Files included by $configure_ac.
419 my @configure_deps = ();
421 # Greatest timestamp of configure's dependencies.
422 my $configure_deps_greatest_timestamp = 0;
424 # Hash table of AM_CONDITIONAL variables seen in configure.
425 my %configure_cond = ();
427 # This maps extensions onto language names.
428 my %extension_map = ();
430 # List of the DIST_COMMON files we discovered while reading
432 my $configure_dist_common = '';
434 # This maps languages names onto objects.
436 # Maps each linker variable onto a language object.
437 my %link_languages = ();
439 # maps extensions to needed source flags.
440 my %sourceflags = ();
442 # List of targets we must always output.
443 # FIXME: Complete, and remove falsely required targets.
444 my %required_targets =
457 # FIXME: Not required, temporary hacks.
458 # Well, actually they are sort of required: the -recursive
459 # targets will run them anyway...
465 'install-data-am' => 1,
466 'install-exec-am' => 1,
467 'install-html-am' => 1,
468 'install-dvi-am' => 1,
469 'install-pdf-am' => 1,
470 'install-ps-am' => 1,
471 'install-info-am' => 1,
472 'installcheck-am' => 1,
478 # Set to 1 if this run will create the Makefile.in that distributes
479 # the files in config_aux_dir.
480 my $automake_will_process_aux_dir = 0;
482 # The name of the Makefile currently being processed.
486 ################################################################
488 ## ------------------------------------------ ##
489 ## Variables reset by &initialize_per_input. ##
490 ## ------------------------------------------ ##
492 # Basename and relative dir of the input file.
496 # Same but wrt Makefile.in.
500 # Relative path to the top directory.
503 # Greatest timestamp of the output's dependencies (excluding
504 # configure's dependencies).
505 my $output_deps_greatest_timestamp;
507 # These variables are used when generating each Makefile.in.
508 # They hold the Makefile.in until it is ready to be printed.
515 # This is the conditional stack, updated on if/else/endif, and
516 # used to build Condition objects.
519 # This holds the set of included files.
522 # List of dependencies for the obvious targets.
527 # Keys in this hash table are files to delete. The associated
528 # value tells when this should happen (MOSTLY_CLEAN, DIST_CLEAN, etc.)
531 # Keys in this hash table are object files or other files in
532 # subdirectories which need to be removed. This only holds files
533 # which are created by compilations. The value in the hash indicates
534 # when the file should be removed.
535 my %compile_clean_files;
537 # Keys in this hash table are directories where we expect to build a
538 # libtool object. We use this information to decide what directories
540 my %libtool_clean_directories;
542 # Value of `$(SOURCES)', used by tags.am.
544 # Sources which go in the distribution.
547 # This hash maps object file names onto their corresponding source
548 # file names. This is used to ensure that each object is created
549 # by a single source file.
552 # This hash maps object file names onto an integer value representing
553 # whether this object has been built via ordinary compilation or
554 # libtool compilation (the COMPILE_* constants).
555 my %object_compilation_map;
558 # This keeps track of the directories for which we've already
559 # created dirstamp code. Keys are directories, values are stamp files.
560 # Several keys can share the same stamp files if they are equivalent
561 # (as are `.//foo' and `foo').
567 # This is a list of all targets to run during "make dist".
570 # Keep track of all programs declared in this Makefile, without
571 # $(EXEEXT). @substitutions@ are not listed.
575 # Keys in this hash are the basenames of files which must depend on
576 # ansi2knr. Values are either the empty string, or the directory in
577 # which the ANSI source file appears; the directory must have a
581 # This keeps track of which extensions we've seen (that we care
585 # This is random scratch space for the language finish functions.
586 # Don't randomly overwrite it; examine other uses of keys first.
587 my %language_scratch;
589 # We keep track of which objects need special (per-executable)
590 # handling on a per-language basis.
591 my %lang_specific_files;
593 # This is set when `handle_dist' has finished. Once this happens,
594 # we should no longer push on dist_common.
597 # Used to store a set of linkers needed to generate the sources currently
598 # under consideration.
601 # True if we need `LINK' defined. This is a hack.
604 # Was get_object_extension run?
605 # FIXME: This is a hack. a better switch should be found.
606 my $get_object_extension_was_run;
608 # Record each file processed by make_paragraphs.
609 my %transformed_files;
612 ################################################################
614 ## ---------------------------------------------- ##
615 ## Variables not reset by &initialize_per_input. ##
616 ## ---------------------------------------------- ##
618 # Cache each file processed by make_paragraphs.
619 # (This is different from %transformed_files because
620 # %transformed_files is reset for each file while %am_file_cache
621 # it global to the run.)
624 ################################################################
626 # var_SUFFIXES_trigger ($TYPE, $VALUE)
627 # ------------------------------------
628 # This is called by Automake::Variable::define() when SUFFIXES
629 # is defined ($TYPE eq '') or appended ($TYPE eq '+').
630 # The work here needs to be performed as a side-effect of the
631 # macro_define() call because SUFFIXES definitions impact
632 # on $KNOWN_EXTENSIONS_PATTERN which is used used when parsing
634 sub var_SUFFIXES_trigger ($$)
636 my ($type, $value) = @_;
637 accept_extensions (split (' ', $value));
639 Automake::Variable::hook ('SUFFIXES', \&var_SUFFIXES_trigger);
641 ################################################################
643 ## --------------------------------- ##
644 ## Forward subroutine declarations. ##
645 ## --------------------------------- ##
646 sub register_language (%);
647 sub file_contents_internal ($$$%);
648 sub define_files_variable ($\@$$);
651 # &initialize_per_input ()
652 # ------------------------
653 # (Re)-Initialize per-Makefile.am variables.
654 sub initialize_per_input ()
656 reset_local_duplicates ();
658 $am_file_name = undef;
659 $am_relative_dir = undef;
661 $in_file_name = undef;
662 $relative_dir = undef;
665 $output_deps_greatest_timestamp = 0;
671 $output_trailer = '';
673 Automake::Options::reset;
674 Automake::Variable::reset;
675 Automake::Rule::reset;
686 %compile_clean_files = ();
688 # We always include `.'. This isn't strictly correct.
689 %libtool_clean_directories = ('.' => 1);
695 %object_compilation_map = ();
703 %known_programs = ();
704 %known_libraries= ();
708 %extension_seen = ();
710 %language_scratch = ();
712 %lang_specific_files = ();
714 $handle_dist_run = 0;
718 $get_object_extension_was_run = 0;
720 %transformed_files = ();
724 ################################################################
726 # Initialize our list of languages that are internally supported.
729 register_language ('name' => 'c',
731 'config_vars' => ['CC'],
734 'flags' => ['CFLAGS', 'CPPFLAGS'],
736 'compiler' => 'COMPILE',
737 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
741 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
742 'compile_flag' => '-c',
743 'libtool_tag' => 'CC',
744 'extensions' => ['.c'],
745 '_finish' => \&lang_c_finish);
748 register_language ('name' => 'cxx',
750 'config_vars' => ['CXX'],
751 'linker' => 'CXXLINK',
752 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
754 'flags' => ['CXXFLAGS', 'CPPFLAGS'],
755 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
757 'compiler' => 'CXXCOMPILE',
758 'compile_flag' => '-c',
759 'output_flag' => '-o',
760 'libtool_tag' => 'CXX',
764 'extensions' => ['.c++', '.cc', '.cpp', '.cxx', '.C']);
767 register_language ('name' => 'objc',
768 'Name' => 'Objective C',
769 'config_vars' => ['OBJC'],
770 'linker' => 'OBJCLINK',
771 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
773 'flags' => ['OBJCFLAGS', 'CPPFLAGS'],
774 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
776 'compiler' => 'OBJCCOMPILE',
777 'compile_flag' => '-c',
778 'output_flag' => '-o',
782 'extensions' => ['.m']);
784 # Unified Parallel C.
785 register_language ('name' => 'upc',
786 'Name' => 'Unified Parallel C',
787 'config_vars' => ['UPC'],
788 'linker' => 'UPCLINK',
789 'link' => '$(UPCLD) $(AM_UPCFLAGS) $(UPCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
791 'flags' => ['UPCFLAGS', 'CPPFLAGS'],
792 'compile' => '$(UPC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_UPCFLAGS) $(UPCFLAGS)',
794 'compiler' => 'UPCCOMPILE',
795 'compile_flag' => '-c',
796 'output_flag' => '-o',
800 'extensions' => ['.upc']);
803 register_language ('name' => 'header',
805 'extensions' => ['.h', '.H', '.hxx', '.h++', '.hh',
808 'output_extensions' => sub { return () },
810 '_finish' => sub { });
813 register_language ('name' => 'vala',
815 'config_vars' => ['VALAC'],
817 'compile' => '$(VALAC) $(AM_VALAFLAGS) $(VALAFLAGS)',
819 'compiler' => 'VALACOMPILE',
820 'extensions' => ['.vala'],
821 'output_extensions' => sub { (my $ext = $_[0]) =~ s/vala$/c/;
823 'rule_file' => 'vala',
824 '_finish' => \&lang_vala_finish,
825 '_target_hook' => \&lang_vala_target_hook,
826 'nodist_specific' => 1);
829 register_language ('name' => 'yacc',
831 'config_vars' => ['YACC'],
832 'flags' => ['YFLAGS'],
833 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
835 'compiler' => 'YACCCOMPILE',
836 'extensions' => ['.y'],
837 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
839 'rule_file' => 'yacc',
840 '_finish' => \&lang_yacc_finish,
841 '_target_hook' => \&lang_yacc_target_hook,
842 'nodist_specific' => 1);
843 register_language ('name' => 'yaccxx',
844 'Name' => 'Yacc (C++)',
845 'config_vars' => ['YACC'],
846 'rule_file' => 'yacc',
847 'flags' => ['YFLAGS'],
849 'compiler' => 'YACCCOMPILE',
850 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
851 'extensions' => ['.y++', '.yy', '.yxx', '.ypp'],
852 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
854 '_finish' => \&lang_yacc_finish,
855 '_target_hook' => \&lang_yacc_target_hook,
856 'nodist_specific' => 1);
859 register_language ('name' => 'lex',
861 'config_vars' => ['LEX'],
862 'rule_file' => 'lex',
863 'flags' => ['LFLAGS'],
864 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
866 'compiler' => 'LEXCOMPILE',
867 'extensions' => ['.l'],
868 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
870 '_finish' => \&lang_lex_finish,
871 '_target_hook' => \&lang_lex_target_hook,
872 'nodist_specific' => 1);
873 register_language ('name' => 'lexxx',
874 'Name' => 'Lex (C++)',
875 'config_vars' => ['LEX'],
876 'rule_file' => 'lex',
877 'flags' => ['LFLAGS'],
878 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
880 'compiler' => 'LEXCOMPILE',
881 'extensions' => ['.l++', '.ll', '.lxx', '.lpp'],
882 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
884 '_finish' => \&lang_lex_finish,
885 '_target_hook' => \&lang_lex_target_hook,
886 'nodist_specific' => 1);
889 register_language ('name' => 'asm',
890 'Name' => 'Assembler',
891 'config_vars' => ['CCAS', 'CCASFLAGS'],
893 'flags' => ['CCASFLAGS'],
894 # Users can set AM_CCASFLAGS to include DEFS, INCLUDES,
895 # or anything else required. They can also set CCAS.
896 # Or simply use Preprocessed Assembler.
897 'compile' => '$(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)',
899 'compiler' => 'CCASCOMPILE',
900 'compile_flag' => '-c',
901 'output_flag' => '-o',
902 'extensions' => ['.s'],
904 # With assembly we still use the C linker.
905 '_finish' => \&lang_c_finish);
907 # Preprocessed Assembler.
908 register_language ('name' => 'cppasm',
909 'Name' => 'Preprocessed Assembler',
910 'config_vars' => ['CCAS', 'CCASFLAGS'],
913 'flags' => ['CCASFLAGS', 'CPPFLAGS'],
914 'compile' => '$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)',
916 'compiler' => 'CPPASCOMPILE',
917 'compile_flag' => '-c',
918 'output_flag' => '-o',
919 'extensions' => ['.S', '.sx'],
921 # With assembly we still use the C linker.
922 '_finish' => \&lang_c_finish);
925 register_language ('name' => 'f77',
926 'Name' => 'Fortran 77',
927 'config_vars' => ['F77'],
928 'linker' => 'F77LINK',
929 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
930 'flags' => ['FFLAGS'],
931 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
933 'compiler' => 'F77COMPILE',
934 'compile_flag' => '-c',
935 'output_flag' => '-o',
936 'libtool_tag' => 'F77',
940 'extensions' => ['.f', '.for']);
943 register_language ('name' => 'fc',
945 'config_vars' => ['FC'],
946 'linker' => 'FCLINK',
947 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
948 'flags' => ['FCFLAGS'],
949 'compile' => '$(FC) $(AM_FCFLAGS) $(FCFLAGS)',
951 'compiler' => 'FCCOMPILE',
952 'compile_flag' => '-c',
953 'output_flag' => '-o',
954 'libtool_tag' => 'FC',
958 'extensions' => ['.f90', '.f95', '.f03', '.f08']);
960 # Preprocessed Fortran
961 register_language ('name' => 'ppfc',
962 'Name' => 'Preprocessed Fortran',
963 'config_vars' => ['FC'],
964 'linker' => 'FCLINK',
965 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
968 'flags' => ['FCFLAGS', 'CPPFLAGS'],
970 'compiler' => 'PPFCCOMPILE',
971 'compile' => '$(FC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FCFLAGS) $(FCFLAGS)',
972 'compile_flag' => '-c',
973 'output_flag' => '-o',
974 'libtool_tag' => 'FC',
976 'extensions' => ['.F90','.F95', '.F03', '.F08']);
978 # Preprocessed Fortran 77
980 # The current support for preprocessing Fortran 77 just involves
981 # passing `$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
982 # $(CPPFLAGS)' as additional flags to the Fortran 77 compiler, since
983 # this is how GNU Make does it; see the `GNU Make Manual, Edition 0.51
984 # for `make' Version 3.76 Beta' (specifically, from info file
985 # `(make)Catalogue of Rules').
987 # A better approach would be to write an Autoconf test
988 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
989 # Fortran 77 compilers know how to do preprocessing. The Autoconf
990 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
991 # preprocessing capabilities, and then fall back on cpp (if cpp were
993 register_language ('name' => 'ppf77',
994 'Name' => 'Preprocessed Fortran 77',
995 'config_vars' => ['F77'],
996 'linker' => 'F77LINK',
997 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1000 'flags' => ['FFLAGS', 'CPPFLAGS'],
1002 'compiler' => 'PPF77COMPILE',
1003 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
1004 'compile_flag' => '-c',
1005 'output_flag' => '-o',
1006 'libtool_tag' => 'F77',
1008 'extensions' => ['.F']);
1011 register_language ('name' => 'ratfor',
1013 'config_vars' => ['F77'],
1014 'linker' => 'F77LINK',
1015 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1018 'flags' => ['RFLAGS', 'FFLAGS'],
1019 # FIXME also FFLAGS.
1020 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
1022 'compiler' => 'RCOMPILE',
1023 'compile_flag' => '-c',
1024 'output_flag' => '-o',
1025 'libtool_tag' => 'F77',
1027 'extensions' => ['.r']);
1030 register_language ('name' => 'java',
1032 'config_vars' => ['GCJ'],
1033 'linker' => 'GCJLINK',
1034 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1036 'flags' => ['GCJFLAGS'],
1037 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
1039 'compiler' => 'GCJCOMPILE',
1040 'compile_flag' => '-c',
1041 'output_flag' => '-o',
1042 'libtool_tag' => 'GCJ',
1046 'extensions' => ['.java', '.class', '.zip', '.jar']);
1048 ################################################################
1050 # Error reporting functions.
1052 # err_am ($MESSAGE, [%OPTIONS])
1053 # -----------------------------
1054 # Uncategorized errors about the current Makefile.am.
1057 msg_am ('error', @_);
1060 # err_ac ($MESSAGE, [%OPTIONS])
1061 # -----------------------------
1062 # Uncategorized errors about configure.ac.
1065 msg_ac ('error', @_);
1068 # msg_am ($CHANNEL, $MESSAGE, [%OPTIONS])
1069 # ---------------------------------------
1070 # Messages about about the current Makefile.am.
1073 my ($channel, $msg, %opts) = @_;
1074 msg $channel, "${am_file}.am", $msg, %opts;
1077 # msg_ac ($CHANNEL, $MESSAGE, [%OPTIONS])
1078 # ---------------------------------------
1079 # Messages about about configure.ac.
1082 my ($channel, $msg, %opts) = @_;
1083 msg $channel, $configure_ac, $msg, %opts;
1086 ################################################################
1090 # Return a configure-style substitution using the indicated text.
1091 # We do this to avoid having the substitutions directly in automake.in;
1092 # when we do that they are sometimes removed and this causes confusion
1097 return '@' . $text . '@';
1100 ################################################################
1104 # &backname ($REL-DIR)
1105 # --------------------
1106 # If I `cd $REL-DIR', then to come back, I should `cd $BACKPATH'.
1107 # For instance `src/foo' => `../..'.
1108 # Works with non strictly increasing paths, i.e., `src/../lib' => `..'.
1113 foreach (split (/\//, $file))
1115 next if $_ eq '.' || $_ eq '';
1119 or prog_error ("trying to reverse path `$file' pointing outside tree");
1126 return join ('/', @res) || '.';
1129 ################################################################
1131 # `silent-rules' mode handling functions.
1133 # verbose_var (NAME)
1134 # ------------------
1135 # The public variable stem used to implement `silent-rules'.
1139 return 'AM_V_' . $name;
1142 # verbose_private_var (NAME)
1143 # --------------------------
1144 # The naming policy for the private variables for `silent-rules'.
1145 sub verbose_private_var ($)
1148 return 'am__v_' . $name;
1151 # define_verbose_var (NAME, VAL)
1152 # ------------------------------
1153 # For `silent-rules' mode, setup VAR and dispatcher, to expand to VAL if silent.
1154 sub define_verbose_var ($$)
1156 my ($name, $val) = @_;
1157 my $var = verbose_var ($name);
1158 my $pvar = verbose_private_var ($name);
1159 my $silent_var = $pvar . '_0';
1160 if (option 'silent-rules')
1162 # For typical `make's, `configure' replaces AM_V (inside @@) with $(V)
1163 # and AM_DEFAULT_V (inside @@) with $(AM_DEFAULT_VERBOSITY).
1164 # For strict POSIX 2008 `make's, it replaces them with 0 or 1 instead.
1165 # See AM_SILENT_RULES in m4/silent.m4.
1166 define_variable ($var, '$(' . $pvar . '_@'.'AM_V'.'@)', INTERNAL);
1167 define_variable ($pvar . '_', '$(' . $pvar . '_@'.'AM_DEFAULT_V'.'@)', INTERNAL);
1168 Automake::Variable::define ($silent_var, VAR_AUTOMAKE, '', TRUE, $val,
1169 '', INTERNAL, VAR_ASIS)
1170 if (! vardef ($silent_var, TRUE));
1174 # Above should not be needed in the general automake code.
1176 # verbose_flag (NAME)
1177 # -------------------
1178 # Contents of %VERBOSE%: variable to expand before rule command.
1179 sub verbose_flag ($)
1182 return '$(' . verbose_var ($name) . ')'
1183 if (option 'silent-rules');
1187 sub verbose_nodep_flag ($)
1190 return '$(' . verbose_var ($name) . subst ('am__nodep') . ')'
1191 if (option 'silent-rules');
1197 # Contents of %SILENT%: variable to expand to `@' when silent.
1200 return verbose_flag ('at');
1203 # define_verbose_tagvar (NAME)
1204 # ----------------------------
1205 # Engage the needed `silent-rules' machinery for tag NAME.
1206 sub define_verbose_tagvar ($)
1209 if (option 'silent-rules')
1211 define_verbose_var ($name, '@echo " '. $name . ' ' x (6 - length ($name)) . '" $@;');
1212 define_verbose_var ('at', '@');
1216 # define_verbose_libtool
1217 # ----------------------
1218 # Engage the needed `silent-rules' machinery for `libtool --silent'.
1219 sub define_verbose_libtool ()
1221 define_verbose_var ('lt', '--silent');
1222 return verbose_flag ('lt');
1226 ################################################################
1229 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
1232 my $var = var ('AUTOMAKE_OPTIONS');
1235 if ($var->has_conditional_contents)
1237 msg_var ('unsupported', $var,
1238 "`AUTOMAKE_OPTIONS' cannot have conditional contents");
1240 foreach my $locvals ($var->value_as_list_recursive (cond_filter => TRUE,
1243 my ($loc, $value) = @$locvals;
1244 return 1 if (process_option_list ($loc, $value))
1248 # Override portability-recursive warning.
1249 switch_warning ('no-portability-recursive')
1250 if option 'silent-rules';
1252 if ($strictness == GNITS)
1254 set_option ('readme-alpha', INTERNAL);
1255 set_option ('std-options', INTERNAL);
1256 set_option ('check-news', INTERNAL);
1262 # shadow_unconditionally ($varname, $where)
1263 # -----------------------------------------
1264 # Return a $(variable) that contains all possible values
1265 # $varname can take.
1266 # If the VAR wasn't defined conditionally, return $(VAR).
1267 # Otherwise we create an am__VAR_DIST variable which contains
1268 # all possible values, and return $(am__VAR_DIST).
1269 sub shadow_unconditionally ($$)
1271 my ($varname, $where) = @_;
1272 my $var = var $varname;
1273 if ($var->has_conditional_contents)
1275 $varname = "am__${varname}_DIST";
1276 my @files = uniq ($var->value_as_list_recursive);
1277 define_pretty_variable ($varname, TRUE, $where, @files);
1279 return "\$($varname)"
1282 # get_object_extension ($EXTENSION)
1283 # ---------------------------------
1284 # Prefix $EXTENSION with $U if ansi2knr is in use.
1285 sub get_object_extension ($)
1287 my ($extension) = @_;
1289 # Check for automatic de-ANSI-fication.
1290 $extension = '$U' . $extension
1291 if option 'ansi2knr';
1293 $get_object_extension_was_run = 1;
1298 # check_user_variables (@LIST)
1299 # ----------------------------
1300 # Make sure each variable VAR in @LIST does not exist, suggest using AM_VAR
1302 sub check_user_variables (@)
1304 my @dont_override = @_;
1305 foreach my $flag (@dont_override)
1307 my $var = var $flag;
1310 for my $cond ($var->conditions->conds)
1312 if ($var->rdef ($cond)->owner == VAR_MAKEFILE)
1314 msg_cond_var ('gnu', $cond, $flag,
1315 "`$flag' is a user variable, "
1316 . "you should not override it;\n"
1317 . "use `AM_$flag' instead.");
1324 # Call finish function for each language that was used.
1325 sub handle_languages
1327 if (! option 'no-dependencies')
1329 # Include auto-dep code. Don't include it if DEP_FILES would
1331 if (&saw_sources_p (0) && keys %dep_files)
1333 # Set location of depcomp.
1334 &define_variable ('depcomp',
1335 "\$(SHELL) $am_config_aux_dir/depcomp",
1337 &define_variable ('am__depfiles_maybe', 'depfiles', INTERNAL);
1339 require_conf_file ("$am_file.am", FOREIGN, 'depcomp');
1341 my @deplist = sort keys %dep_files;
1342 # Generate each `include' individually. Irix 6 make will
1343 # not properly include several files resulting from a
1344 # variable expansion; generating many separate includes
1346 $output_rules .= "\n";
1347 foreach my $iter (@deplist)
1349 $output_rules .= (subst ('AMDEP_TRUE')
1350 . subst ('am__include')
1352 . subst ('am__quote')
1354 . subst ('am__quote')
1358 # Compute the set of directories to remove in distclean-depend.
1359 my @depdirs = uniq (map { dirname ($_) } @deplist);
1360 $output_rules .= &file_contents ('depend',
1361 new Automake::Location,
1362 DEPDIRS => "@depdirs");
1367 &define_variable ('depcomp', '', INTERNAL);
1368 &define_variable ('am__depfiles_maybe', '', INTERNAL);
1373 # Is the C linker needed?
1375 foreach my $ext (sort keys %extension_seen)
1377 next unless $extension_map{$ext};
1379 my $lang = $languages{$extension_map{$ext}};
1381 my $rule_file = $lang->rule_file || 'depend2';
1383 # Get information on $LANG.
1384 my $pfx = $lang->autodep;
1385 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1387 my ($AMDEP, $FASTDEP) =
1388 (option 'no-dependencies' || $lang->autodep eq 'no')
1389 ? ('FALSE', 'FALSE') : ('AMDEP', "am__fastdep$fpfx");
1391 my $verbose = verbose_flag ($lang->ccer || 'GEN');
1392 my $verbose_nodep = ($AMDEP eq 'FALSE')
1393 ? $verbose : verbose_nodep_flag ($lang->ccer || 'GEN');
1394 my $silent = silent_flag ();
1396 my %transform = ('EXT' => $ext,
1400 'FASTDEP' => $FASTDEP,
1401 '-c' => $lang->compile_flag || '',
1402 # These are not used, but they need to be defined
1403 # so &transform do not complain.
1405 'DERIVED-EXT' => 'BUG',
1407 VERBOSE => $verbose,
1408 'VERBOSE-NODEP' => $verbose_nodep,
1412 # Generate the appropriate rules for this extension.
1413 if (((! option 'no-dependencies') && $lang->autodep ne 'no')
1414 || defined $lang->compile)
1416 # Some C compilers don't support -c -o. Use it only if really
1418 my $output_flag = $lang->output_flag || '';
1421 && $lang->name eq 'c'
1422 && option 'subdir-objects');
1424 # Compute a possible derived extension.
1425 # This is not used by depend2.am.
1426 my $der_ext = (&{$lang->output_extensions} ($ext))[0];
1428 # When we output an inference rule like `.c.o:' we
1429 # have two cases to consider: either subdir-objects
1430 # is used, or it is not.
1432 # In the latter case the rule is used to build objects
1433 # in the current directory, and dependencies always
1434 # go into `./$(DEPDIR)/'. We can hard-code this value.
1436 # In the former case the rule can be used to build
1437 # objects in sub-directories too. Dependencies should
1438 # go into the appropriate sub-directories, e.g.,
1439 # `sub/$(DEPDIR)/'. The value of this directory
1440 # needs to be computed on-the-fly.
1442 # DEPBASE holds the name of this directory, plus the
1443 # basename part of the object file (extensions Po, TPo,
1444 # Plo, TPlo will be added later as appropriate). It is
1445 # either hardcoded, or a shell variable (`$depbase') that
1446 # will be computed by the rule.
1448 option ('subdir-objects') ? '$$depbase' : '$(DEPDIR)/$*';
1450 file_contents ($rule_file,
1451 new Automake::Location,
1455 'DERIVED-EXT' => $der_ext,
1457 DEPBASE => $depbase,
1460 SOURCEFLAG => $sourceflags{$ext} || '',
1465 COMPILE => '$(' . $lang->compiler . ')',
1466 LTCOMPILE => '$(LT' . $lang->compiler . ')',
1468 SUBDIROBJ => !! option 'subdir-objects');
1471 # Now include code for each specially handled object with this
1473 my %seen_files = ();
1474 foreach my $file (@{$lang_specific_files{$lang->name}})
1476 my ($derived, $source, $obj, $myext, $srcext, %file_transform) = @$file;
1478 # We might see a given object twice, for instance if it is
1479 # used under different conditions.
1480 next if defined $seen_files{$obj};
1481 $seen_files{$obj} = 1;
1483 prog_error ("found " . $lang->name .
1484 " in handle_languages, but compiler not defined")
1485 unless defined $lang->compile;
1487 my $obj_compile = $lang->compile;
1489 # Rewrite each occurrence of `AM_$flag' in the compile
1490 # rule into `${derived}_$flag' if it exists.
1491 for my $flag (@{$lang->flags})
1493 my $val = "${derived}_$flag";
1494 $obj_compile =~ s/\(AM_$flag\)/\($val\)/
1498 my $libtool_tag = '';
1499 if ($lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag})
1501 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
1504 my $ptltflags = "${derived}_LIBTOOLFLAGS";
1505 $ptltflags = 'AM_LIBTOOLFLAGS' unless set_seen $ptltflags;
1507 my $ltverbose = define_verbose_libtool ();
1509 "\$(LIBTOOL) $ltverbose $libtool_tag\$($ptltflags) \$(LIBTOOLFLAGS) "
1510 . "--mode=compile $obj_compile";
1512 # We _need_ `-o' for per object rules.
1513 my $output_flag = $lang->output_flag || '-o';
1515 my $depbase = dirname ($obj);
1519 unless $depbase eq '';
1520 $depbase .= '$(DEPDIR)/' . basename ($obj);
1522 # Support for deansified files in subdirectories is ugly
1523 # enough to deserve an explanation.
1525 # A Note about normal ansi2knr processing first. On
1527 # AUTOMAKE_OPTIONS = ansi2knr
1528 # bin_PROGRAMS = foo
1529 # foo_SOURCES = foo.c
1531 # we generate rules similar to:
1533 # foo: foo$U.o; link ...
1534 # foo$U.o: foo$U.c; compile ...
1535 # foo_.c: foo.c; ansi2knr ...
1537 # this is fairly compact, and will call ansi2knr depending
1538 # on the value of $U (`' or `_').
1540 # It's harder with subdir sources. On
1542 # AUTOMAKE_OPTIONS = ansi2knr
1543 # bin_PROGRAMS = foo
1544 # foo_SOURCES = sub/foo.c
1546 # we have to create foo_.c in the current directory.
1547 # (Unless the user asks 'subdir-objects'.) This is important
1548 # in case the same file (`foo.c') is compiled from other
1549 # directories with different cpp options: foo_.c would
1550 # be preprocessed for only one set of options if it were
1551 # put in the subdirectory.
1553 # Because foo$U.o must be built from either foo_.c or
1554 # sub/foo.c we can't be as concise as in the first example.
1557 # foo: foo$U.o; link ...
1558 # foo_.o: foo_.c; compile ...
1559 # foo.o: sub/foo.c; compile ...
1560 # foo_.c: foo.c; ansi2knr ...
1562 # This is why we'll now transform $rule_file twice
1563 # if we detect this case.
1564 # A first time we output the compile rule with `$U'
1565 # replaced by `_' and the source directory removed,
1566 # and another time we simply remove `$U'.
1568 # Note that at this point $source (as computed by
1569 # &handle_single_transform) is `sub/foo$U.c'.
1570 # This can be confusing: it can be used as-is when
1571 # subdir-objects is set, otherwise you have to know
1572 # it really means `foo_.c' or `sub/foo.c'.
1573 my $objdir = dirname ($obj);
1574 my $srcdir = dirname ($source);
1575 if ($lang->ansi && $obj =~ /\$U/)
1577 prog_error "`$obj' contains \$U, but `$source' doesn't."
1578 if $source !~ /\$U/;
1580 (my $source_ = $source) =~ s/\$U/_/g;
1581 # Output an additional rule if _.c and .c are not in
1582 # the same directory. (_.c is always in $objdir.)
1583 if ($objdir ne $srcdir)
1585 (my $obj_ = $obj) =~ s/\$U/_/g;
1586 (my $depbase_ = $depbase) =~ s/\$U/_/g;
1587 $source_ = basename ($source_);
1590 file_contents ($rule_file,
1591 new Automake::Location,
1595 DEPBASE => $depbase_,
1598 SOURCEFLAG => $sourceflags{$srcext} || '',
1599 OBJ => "$obj_$myext",
1600 OBJOBJ => "$obj_.obj",
1601 LTOBJ => "$obj_.lo",
1603 COMPILE => $obj_compile,
1604 LTCOMPILE => $obj_ltcompile,
1608 $depbase =~ s/\$U//g;
1609 $source =~ s/\$U//g;
1614 file_contents ($rule_file,
1615 new Automake::Location,
1619 DEPBASE => $depbase,
1622 SOURCEFLAG => $sourceflags{$srcext} || '',
1623 # Use $myext and not `.o' here, in case
1624 # we are actually building a new source
1625 # file -- e.g. via yacc.
1626 OBJ => "$obj$myext",
1627 OBJOBJ => "$obj.obj",
1630 VERBOSE => $verbose,
1631 'VERBOSE-NODEP' => $verbose_nodep,
1633 COMPILE => $obj_compile,
1634 LTCOMPILE => $obj_ltcompile,
1639 # The rest of the loop is done once per language.
1640 next if defined $done{$lang};
1643 # Load the language dependent Makefile chunks.
1644 my %lang = map { uc ($_) => 0 } keys %languages;
1645 $lang{uc ($lang->name)} = 1;
1646 $output_rules .= file_contents ('lang-compile',
1647 new Automake::Location,
1650 # If the source to a program consists entirely of code from a
1651 # `pure' language, for instance C++ or Fortran 77, then we
1652 # don't need the C compiler code. However if we run into
1653 # something unusual then we do generate the C code. There are
1654 # probably corner cases here that do not work properly.
1655 # People linking Java code to Fortran code deserve pain.
1656 $needs_c ||= ! $lang->pure;
1658 define_compiler_variable ($lang)
1659 if ($lang->compile);
1661 define_linker_variable ($lang)
1664 require_variables ("$am_file.am", $lang->Name . " source seen",
1665 TRUE, @{$lang->config_vars});
1667 # Call the finisher.
1670 # Flags listed in `->flags' are user variables (per GNU Standards),
1671 # they should not be overridden in the Makefile...
1672 my @dont_override = @{$lang->flags};
1673 # ... and so is LDFLAGS.
1674 push @dont_override, 'LDFLAGS' if $lang->link;
1676 check_user_variables @dont_override;
1679 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1680 # suffix rule was learned), don't bother with the C stuff. But if
1681 # anything else creeps in, then use it.
1683 if $need_link || suffix_rules_count > 1;
1687 &define_compiler_variable ($languages{'c'})
1688 unless defined $done{$languages{'c'}};
1689 define_linker_variable ($languages{'c'});
1692 # Always provide the user with `AM_V_GEN' for `silent-rules' mode.
1693 define_verbose_tagvar ('GEN');
1697 # append_exeext { PREDICATE } $MACRO
1698 # ----------------------------------
1699 # Append $(EXEEXT) to each filename in $F appearing in the Makefile
1700 # variable $MACRO if &PREDICATE($F) is true. @substitutions@ are
1703 # This is typically used on all filenames of *_PROGRAMS, and filenames
1704 # of TESTS that are programs.
1705 sub append_exeext (&$)
1707 my ($pred, $macro) = @_;
1709 transform_variable_recursively
1710 ($macro, $macro, 'am__EXEEXT', 0, INTERNAL,
1712 my ($subvar, $val, $cond, $full_cond) = @_;
1713 # Append $(EXEEXT) unless the user did it already, or it's a
1716 if $val !~ /(?:\$\(EXEEXT\)$|^[@]\w+[@]$)/ && &$pred ($val);
1722 # Check to make sure a source defined in LIBOBJS is not explicitly
1723 # mentioned. This is a separate function (as opposed to being inlined
1724 # in handle_source_transform) because it isn't always appropriate to
1726 sub check_libobjs_sources
1728 my ($one_file, $unxformed) = @_;
1730 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1731 'dist_EXTRA_', 'nodist_EXTRA_')
1734 my $varname = $prefix . $one_file . '_SOURCES';
1735 my $var = var ($varname);
1738 @files = $var->value_as_list_recursive;
1740 elsif ($prefix eq '')
1742 @files = ($unxformed . '.c');
1749 foreach my $file (@files)
1751 err_var ($prefix . $one_file . '_SOURCES',
1752 "automatically discovered file `$file' should not" .
1753 " be explicitly mentioned")
1754 if defined $libsources{$file};
1761 # handle_single_transform ($VAR, $TOPPARENT, $DERIVED, $OBJ, $FILE, %TRANSFORM)
1762 # -----------------------------------------------------------------------------
1763 # Does much of the actual work for handle_source_transform.
1765 # $VAR is the name of the variable that the source filenames come from
1766 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1767 # $DERIVED is the name of resulting executable or library
1768 # $OBJ is the object extension (e.g., `$U.lo')
1769 # $FILE the source file to transform
1770 # %TRANSFORM contains extras arguments to pass to file_contents
1771 # when producing explicit rules
1772 # Result is a list of the names of objects
1773 # %linkers_used will be updated with any linkers needed
1774 sub handle_single_transform ($$$$$%)
1776 my ($var, $topparent, $derived, $obj, $_file, %transform) = @_;
1777 my @files = ($_file);
1779 my $nonansi_obj = $obj;
1780 $nonansi_obj =~ s/\$U//g;
1782 # Turn sources into objects. We use a while loop like this
1783 # because we might add to @files in the loop.
1784 while (scalar @files > 0)
1788 # Configure substitutions in _SOURCES variables are errors.
1791 my $parent_msg = '';
1792 $parent_msg = "\nand is referred to from `$topparent'"
1793 if $topparent ne $var->name;
1795 "`" . $var->name . "' includes configure substitution `$_'"
1796 . $parent_msg . ";\nconfigure " .
1797 "substitutions are not allowed in _SOURCES variables");
1801 # If the source file is in a subdirectory then the `.o' is put
1802 # into the current directory, unless the subdir-objects option
1805 # Split file name into base and extension.
1806 next if ! /^(?:(.*)\/)?([^\/]*)($KNOWN_EXTENSIONS_PATTERN)$/;
1808 my $directory = $1 || '';
1812 # We must generate a rule for the object if it requires its own flags.
1814 my ($linker, $object);
1816 # This records whether we've seen a derived source file (e.g.
1818 my $derived_source = 0;
1820 # This holds the `aggregate context' of the file we are
1821 # currently examining. If the file is compiled with
1822 # per-object flags, then it will be the name of the object.
1823 # Otherwise it will be `AM'. This is used by the target hook
1824 # language function.
1825 my $aggregate = 'AM';
1827 $extension = &derive_suffix ($extension, $nonansi_obj);
1829 if ($extension_map{$extension} &&
1830 ($lang = $languages{$extension_map{$extension}}))
1832 # Found the language, so see what it says.
1833 &saw_extension ($extension);
1835 # Do we have per-executable flags for this executable?
1836 my $have_per_exec_flags = 0;
1837 my @peflags = @{$lang->flags};
1838 push @peflags, 'LIBTOOLFLAGS' if $nonansi_obj eq '.lo';
1839 foreach my $flag (@peflags)
1841 if (set_seen ("${derived}_$flag"))
1843 $have_per_exec_flags = 1;
1848 # Note: computed subr call. The language rewrite function
1849 # should return one of the LANG_* constants. It could
1850 # also return a list whose first value is such a constant
1851 # and whose second value is a new source extension which
1852 # should be applied. This means this particular language
1853 # generates another source file which we must then process
1855 my $subr = \&{'lang_' . $lang->name . '_rewrite'};
1856 my ($r, $source_extension)
1857 = &$subr ($directory, $base, $extension,
1858 $nonansi_obj, $have_per_exec_flags, $var);
1859 # Skip this entry if we were asked not to process it.
1860 next if $r == LANG_IGNORE;
1862 # Now extract linker and other info.
1863 $linker = $lang->linker;
1866 if (defined $source_extension)
1868 $this_obj_ext = $source_extension;
1869 $derived_source = 1;
1873 $this_obj_ext = $obj;
1877 $this_obj_ext = $nonansi_obj;
1879 $object = $base . $this_obj_ext;
1881 if ($have_per_exec_flags)
1883 # We have a per-executable flag in effect for this
1884 # object. In this case we rewrite the object's
1885 # name to ensure it is unique.
1887 # We choose the name `DERIVED_OBJECT' to ensure
1888 # (1) uniqueness, and (2) continuity between
1889 # invocations. However, this will result in a
1890 # name that is too long for losing systems, in
1891 # some situations. So we provide _SHORTNAME to
1894 my $dname = $derived;
1895 my $var = var ($derived . '_SHORTNAME');
1898 # FIXME: should use the same Condition as
1899 # the _SOURCES variable. But this is really
1900 # silly overkill -- nobody should have
1901 # conditional shortnames.
1902 $dname = $var->variable_value;
1904 $object = $dname . '-' . $object;
1906 prog_error ($lang->name . " flags defined without compiler")
1907 if ! defined $lang->compile;
1912 # If rewrite said it was ok, put the object into a
1914 if ($r == LANG_SUBDIR && $directory ne '')
1916 $object = $directory . '/' . $object;
1919 # If the object file has been renamed (because per-target
1920 # flags are used) we cannot compile the file with an
1921 # inference rule: we need an explicit rule.
1923 # If the source is in a subdirectory and the object is in
1924 # the current directory, we also need an explicit rule.
1926 # If both source and object files are in a subdirectory
1927 # (this happens when the subdir-objects option is used),
1928 # then the inference will work.
1930 # The latter case deserves a historical note. When the
1931 # subdir-objects option was added on 1999-04-11 it was
1932 # thought that inferences rules would work for
1933 # subdirectory objects too. Later, on 1999-11-22,
1934 # automake was changed to output explicit rules even for
1935 # subdir-objects. Nobody remembers why, but this occurred
1936 # soon after the merge of the user-dep-gen-branch so it
1937 # might be related. In late 2003 people complained about
1938 # the size of the generated Makefile.ins (libgcj, with
1939 # 2200+ subdir objects was reported to have a 9MB
1940 # Makefile), so we now rely on inference rules again.
1941 # Maybe we'll run across the same issue as in the past,
1942 # but at least this time we can document it. However since
1943 # dependency tracking has evolved it is possible that
1944 # our old problem no longer exists.
1945 # Using inference rules for subdir-objects has been tested
1946 # with GNU make, Solaris make, Ultrix make, BSD make,
1947 # HP-UX make, and OSF1 make successfully.
1949 || ($directory ne '' && ! option 'subdir-objects')
1950 # We must also use specific rules for a nodist_ source
1951 # if its language requests it.
1952 || ($lang->nodist_specific && ! $transform{'DIST_SOURCE'}))
1954 my $obj_sans_ext = substr ($object, 0,
1955 - length ($this_obj_ext));
1957 if ($directory ne '')
1959 $full_ansi = $directory . '/' . $base . $extension;
1963 $full_ansi = $base . $extension;
1966 if ($lang->ansi && option 'ansi2knr')
1968 $full_ansi =~ s/$KNOWN_EXTENSIONS_PATTERN$/\$U$&/;
1969 $obj_sans_ext .= '$U';
1972 my @specifics = ($full_ansi, $obj_sans_ext,
1973 # Only use $this_obj_ext in the derived
1974 # source case because in the other case we
1975 # *don't* want $(OBJEXT) to appear here.
1976 ($derived_source ? $this_obj_ext : '.o'),
1979 # If we renamed the object then we want to use the
1980 # per-executable flag name. But if this is simply a
1981 # subdir build then we still want to use the AM_ flag
1985 unshift @specifics, $derived;
1986 $aggregate = $derived;
1990 unshift @specifics, 'AM';
1993 # Each item on this list is a reference to a list consisting
1994 # of four values followed by additional transform flags for
1995 # file_contents. The four values are the derived flag prefix
1996 # (e.g. for `foo_CFLAGS', it is `foo'), the name of the
1997 # source file, the base name of the output file, and
1998 # the extension for the object file.
1999 push (@{$lang_specific_files{$lang->name}},
2000 [@specifics, %transform]);
2003 elsif ($extension eq $nonansi_obj)
2005 # This is probably the result of a direct suffix rule.
2006 # In this case we just accept the rewrite.
2007 $object = "$base$extension";
2008 $object = "$directory/$object" if $directory ne '';
2013 # No error message here. Used to have one, but it was
2015 # FIXME: we could potentially do more processing here,
2016 # perhaps treating the new extension as though it were a
2017 # new source extension (as above). This would require
2018 # more restructuring than is appropriate right now.
2022 err_am "object `$object' created by `$full' and `$object_map{$object}'"
2023 if (defined $object_map{$object}
2024 && $object_map{$object} ne $full);
2026 my $comp_val = (($object =~ /\.lo$/)
2027 ? COMPILE_LIBTOOL : COMPILE_ORDINARY);
2028 (my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
2029 if (defined $object_compilation_map{$comp_obj}
2030 && $object_compilation_map{$comp_obj} != 0
2031 # Only see the error once.
2032 && ($object_compilation_map{$comp_obj}
2033 != (COMPILE_LIBTOOL | COMPILE_ORDINARY))
2034 && $object_compilation_map{$comp_obj} != $comp_val)
2036 err_am "object `$comp_obj' created both with libtool and without";
2038 $object_compilation_map{$comp_obj} |= $comp_val;
2042 # Let the language do some special magic if required.
2043 $lang->target_hook ($aggregate, $object, $full, %transform);
2046 if ($derived_source)
2048 prog_error ($lang->name . " has automatic dependency tracking")
2049 if $lang->autodep ne 'no';
2050 # Make sure this new source file is handled next. That will
2051 # make it appear to be at the right place in the list.
2052 unshift (@files, $object);
2053 # Distribute derived sources unless the source they are
2054 # derived from is not.
2055 &push_dist_common ($object)
2056 unless ($topparent =~ /^(?:nobase_)?nodist_/);
2060 $linkers_used{$linker} = 1;
2062 push (@result, $object);
2064 if (! defined $object_map{$object})
2067 $object_map{$object} = $full;
2069 # If resulting object is in subdir, we need to make
2070 # sure the subdir exists at build time.
2071 if ($object =~ /\//)
2073 # FIXME: check that $DIRECTORY is somewhere in the
2076 # For Java, the way we're handling it right now, a
2077 # `..' component doesn't make sense.
2078 if ($lang && $lang->name eq 'java' && $object =~ /(\/|^)\.\.\//)
2080 err_am "`$full' should not contain a `..' component";
2083 # Make sure object is removed by `make mostlyclean'.
2084 $compile_clean_files{$object} = MOSTLY_CLEAN;
2085 # If we have a libtool object then we also must remove
2087 if ($object =~ /\.lo$/)
2089 (my $xobj = $object) =~ s,lo$,\$(OBJEXT),;
2090 $compile_clean_files{$xobj} = MOSTLY_CLEAN;
2092 # Remove any libtool object in this directory.
2093 $libtool_clean_directories{$directory} = 1;
2096 push (@dep_list, require_build_directory ($directory));
2098 # If we're generating dependencies, we also want
2099 # to make sure that the appropriate subdir of the
2100 # .deps directory is created.
2102 require_build_directory ($directory . '/$(DEPDIR)'))
2103 unless option 'no-dependencies';
2106 &pretty_print_rule ($object . ':', "\t", @dep_list)
2107 if scalar @dep_list > 0;
2110 # Transform .o or $o file into .P file (for automatic
2112 # Properly flatten multiple adjacent slashes, as Solaris 10 make
2113 # might fail over them in an include statement.
2114 # Leading double slashes may be special, as per Posix, so deal
2115 # with them carefully.
2116 if ($lang && $lang->autodep ne 'no')
2118 my $depfile = $object;
2119 $depfile =~ s/\.([^.]*)$/.P$1/;
2120 $depfile =~ s/\$\(OBJEXT\)$/o/;
2121 my $maybe_extra_leading_slash = '';
2122 $maybe_extra_leading_slash = '/' if $depfile =~ m,^//[^/],;
2123 $depfile =~ s,/+,/,g;
2124 my $basename = basename ($depfile);
2125 # This might make $dirname empty, but we account for that below.
2126 (my $dirname = dirname ($depfile)) =~ s/\/*$//;
2127 $dirname = $maybe_extra_leading_slash . $dirname;
2128 $dep_files{$dirname . '/$(DEPDIR)/' . $basename} = 1;
2137 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
2138 # $OBJ, $PARENT, $TOPPARENT, $WHERE, %TRANSFORM)
2139 # ---------------------------------------------------------------------------
2140 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
2143 # $VAR is the name of the _SOURCES variable
2144 # $OBJVAR is the name of the _OBJECTS variable if known (otherwise
2145 # it will be generated and returned).
2146 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
2147 # work done to determine the linker will be).
2148 # $ONE_FILE is the canonical (transformed) name of object to build
2149 # $OBJ is the object extension (i.e. either `.o' or `.lo').
2150 # $TOPPARENT is the _SOURCES variable being processed.
2151 # $WHERE context into which this definition is done
2152 # %TRANSFORM extra arguments to pass to file_contents when producing
2155 # Result is a pair ($LINKER, $OBJVAR):
2156 # $LINKER is a boolean, true if a linker is needed to deal with the objects
2157 sub define_objects_from_sources ($$$$$$$%)
2159 my ($var, $objvar, $nodefine, $one_file,
2160 $obj, $topparent, $where, %transform) = @_;
2162 my $needlinker = "";
2164 transform_variable_recursively
2165 ($var, $objvar, 'am__objects', $nodefine, $where,
2166 # The transform code to run on each filename.
2168 my ($subvar, $val, $cond, $full_cond) = @_;
2169 my @trans = handle_single_transform ($subvar, $topparent,
2170 $one_file, $obj, $val,
2172 $needlinker = "true" if @trans;
2180 # handle_source_transform ($CANON_TARGET, $TARGET, $OBJEXT, $WHERE, %TRANSFORM)
2181 # -----------------------------------------------------------------------------
2182 # Handle SOURCE->OBJECT transform for one program or library.
2184 # canonical (transformed) name of target to build
2185 # actual target of object to build
2186 # object extension (i.e., either `.o' or `$o')
2187 # location of the source variable
2188 # extra arguments to pass to file_contents when producing rules
2189 # Return the name of the linker variable that must be used.
2190 # Empty return means just use `LINK'.
2191 sub handle_source_transform ($$$$%)
2193 # one_file is canonical name. unxformed is given name. obj is
2195 my ($one_file, $unxformed, $obj, $where, %transform) = @_;
2199 # No point in continuing if _OBJECTS is defined.
2200 return if reject_var ($one_file . '_OBJECTS',
2201 $one_file . '_OBJECTS should not be defined');
2206 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
2207 'dist_EXTRA_', 'nodist_EXTRA_')
2209 my $varname = $prefix . $one_file . "_SOURCES";
2210 my $var = var $varname;
2213 # We are going to define _OBJECTS variables using the prefix.
2214 # Then we glom them all together. So we can't use the null
2215 # prefix here as we need it later.
2216 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
2218 # Keep track of which prefixes we saw.
2219 $used_pfx{$xpfx} = 1
2220 unless $prefix =~ /EXTRA_/;
2222 push @sources, "\$($varname)";
2223 push @dist_sources, shadow_unconditionally ($varname, $where)
2224 unless (option ('no-dist') || $prefix =~ /^nodist_/);
2227 define_objects_from_sources ($varname,
2228 $xpfx . $one_file . '_OBJECTS',
2229 $prefix =~ /EXTRA_/,
2230 $one_file, $obj, $varname, $where,
2231 DIST_SOURCE => ($prefix !~ /^nodist_/),
2236 $linker ||= &resolve_linker (%linkers_used);
2239 my @keys = sort keys %used_pfx;
2240 if (scalar @keys == 0)
2242 # The default source for libfoo.la is libfoo.c, but for
2243 # backward compatibility we first look at libfoo_la.c,
2244 # if no default source suffix is given.
2245 my $old_default_source = "$one_file.c";
2246 my $ext_var = var ('AM_DEFAULT_SOURCE_EXT');
2247 my $default_source_ext = $ext_var ? variable_value ($ext_var) : '.c';
2248 msg_var ('unsupported', $ext_var, $ext_var->name . " can assume at most one value")
2249 if $default_source_ext =~ /[\t ]/;
2250 (my $default_source = $unxformed) =~ s,(\.[^./\\]*)?$,$default_source_ext,;
2251 if ($old_default_source ne $default_source
2253 && (rule $old_default_source
2254 || rule '$(srcdir)/' . $old_default_source
2255 || rule '${srcdir}/' . $old_default_source
2256 || -f $old_default_source))
2258 my $loc = $where->clone;
2260 msg ('obsolete', $loc,
2261 "the default source for `$unxformed' has been changed "
2262 . "to `$default_source'.\n(Using `$old_default_source' for "
2263 . "backward compatibility.)");
2264 $default_source = $old_default_source;
2266 # If a rule exists to build this source with a $(srcdir)
2267 # prefix, use that prefix in our variables too. This is for
2268 # the sake of BSD Make.
2269 if (rule '$(srcdir)/' . $default_source
2270 || rule '${srcdir}/' . $default_source)
2272 $default_source = '$(srcdir)/' . $default_source;
2275 &define_variable ($one_file . "_SOURCES", $default_source, $where);
2276 push (@sources, $default_source);
2277 push (@dist_sources, $default_source);
2281 handle_single_transform ($one_file . '_SOURCES',
2282 $one_file . '_SOURCES',
2284 $default_source, %transform);
2285 $linker ||= &resolve_linker (%linkers_used);
2286 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @result);
2290 @keys = map { '$(' . $_ . $one_file . '_OBJECTS)' } @keys;
2291 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @keys);
2294 # If we want to use `LINK' we must make sure it is defined.
2304 # handle_lib_objects ($XNAME, $VAR)
2305 # ---------------------------------
2306 # Special-case ALLOCA and LIBOBJS substitutions in _LDADD or _LIBADD variables.
2307 # Also, generate _DEPENDENCIES variable if appropriate.
2309 # transformed name of object being built, or empty string if no object
2310 # name of _LDADD/_LIBADD-type variable to examine
2311 # Returns 1 if LIBOBJS seen, 0 otherwise.
2312 sub handle_lib_objects
2314 my ($xname, $varname) = @_;
2316 my $var = var ($varname);
2317 prog_error "handle_lib_objects: `$varname' undefined"
2319 prog_error "handle_lib_objects: unexpected variable name `$varname'"
2320 unless $varname =~ /^(.*)(?:LIB|LD)ADD$/;
2321 my $prefix = $1 || 'AM_';
2323 my $seen_libobjs = 0;
2326 transform_variable_recursively
2327 ($varname, $xname . '_DEPENDENCIES', 'am__DEPENDENCIES',
2329 # Transformation function, run on each filename.
2331 my ($subvar, $val, $cond, $full_cond) = @_;
2335 # Skip -lfoo and -Ldir silently; these are explicitly allowed.
2336 if ($val !~ /^-[lL]/ &&
2337 # Skip -dlopen and -dlpreopen; these are explicitly allowed
2338 # for Libtool libraries or programs. (Actually we are a bit
2339 # lax here since this code also applies to non-libtool
2340 # libraries or programs, for which -dlopen and -dlopreopen
2341 # are pure nonsense. Diagnosing this doesn't seem very
2342 # important: the developer will quickly get complaints from
2344 $val !~ /^-dl(?:pre)?open$/ &&
2345 # Only get this error once.
2349 # FIXME: should display a stack of nested variables
2350 # as context when $var != $subvar.
2351 err_var ($var, "linker flags such as `$val' belong in "
2352 . "`${prefix}LDFLAGS");
2356 elsif ($val !~ /^\@.*\@$/)
2358 # Assume we have a file of some sort, and output it into the
2359 # dependency variable. Autoconf substitutions are not output;
2360 # rarely is a new dependency substituted into e.g. foo_LDADD
2361 # -- but bad things (e.g. -lX11) are routinely substituted.
2362 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
2363 # and handled specially below.
2366 elsif ($val =~ /^\@(LT)?LIBOBJS\@$/)
2368 handle_LIBOBJS ($subvar, $cond, $1);
2372 elsif ($val =~ /^\@(LT)?ALLOCA\@$/)
2374 handle_ALLOCA ($subvar, $cond, $1);
2383 return $seen_libobjs;
2386 # handle_LIBOBJS_or_ALLOCA ($VAR)
2387 # -------------------------------
2388 # Definitions common to LIBOBJS and ALLOCA.
2389 # VAR should be one of LIBOBJS, LTLIBOBJS, ALLOCA, or LTALLOCA.
2390 sub handle_LIBOBJS_or_ALLOCA ($)
2396 # If LIBOBJS files must be built in another directory we have
2397 # to define LIBOBJDIR and ensure the files get cleaned.
2398 # Otherwise LIBOBJDIR can be left undefined, and the cleaning
2399 # is achieved by `rm -f *.$(OBJEXT)' in compile.am.
2400 if ($config_libobj_dir
2401 && $relative_dir ne $config_libobj_dir)
2403 if (option 'subdir-objects')
2405 # In the top-level Makefile we do not use $(top_builddir), because
2406 # we are already there, and since the targets are built without
2407 # a $(top_builddir), it helps BSD Make to match them with
2409 $dir = "$config_libobj_dir/" if $config_libobj_dir ne '.';
2410 $dir = "$topsrcdir/$dir" if $relative_dir ne '.';
2411 define_variable ('LIBOBJDIR', "$dir", INTERNAL);
2412 $clean_files{"\$($var)"} = MOSTLY_CLEAN;
2413 # If LTLIBOBJS is used, we must also clear LIBOBJS (which might
2414 # be created by libtool as a side-effect of creating LTLIBOBJS).
2415 $clean_files{"\$($var)"} = MOSTLY_CLEAN if $var =~ s/^LT//;
2419 error ("`\$($var)' cannot be used outside `$config_libobj_dir' if"
2420 . " `subdir-objects' is not set");
2427 sub handle_LIBOBJS ($$$)
2429 my ($var, $cond, $lt) = @_;
2430 my $myobjext = $lt ? 'lo' : 'o';
2433 $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
2434 if ! keys %libsources;
2436 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}LIBOBJS";
2438 foreach my $iter (keys %libsources)
2440 if ($iter =~ /\.[cly]$/)
2442 &saw_extension ($&);
2443 &saw_extension ('.c');
2446 if ($iter =~ /\.h$/)
2448 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2450 elsif ($iter ne 'alloca.c')
2452 my $rewrite = $iter;
2453 $rewrite =~ s/\.c$/.P$myobjext/;
2454 $dep_files{$dir . '$(DEPDIR)/' . $rewrite} = 1;
2455 $rewrite = "^" . quotemeta ($iter) . "\$";
2456 # Only require the file if it is not a built source.
2457 my $bs = var ('BUILT_SOURCES');
2458 if (! $bs || ! grep (/$rewrite/, $bs->value_as_list_recursive))
2460 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2466 sub handle_ALLOCA ($$$)
2468 my ($var, $cond, $lt) = @_;
2469 my $myobjext = $lt ? 'lo' : 'o';
2471 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}ALLOCA";
2473 $var->requires_variables ("\@${lt}ALLOCA\@ used", $lt . 'ALLOCA');
2474 $dep_files{$dir . '$(DEPDIR)/alloca.P' . $myobjext} = 1;
2475 require_libsource_with_macro ($cond, $var, FOREIGN, 'alloca.c');
2476 &saw_extension ('.c');
2479 # Canonicalize the input parameter
2483 $string =~ tr/A-Za-z0-9_\@/_/c;
2487 # Canonicalize a name, and check to make sure the non-canonical name
2488 # is never used. Returns canonical name. Arguments are name and a
2489 # list of suffixes to check for.
2490 sub check_canonical_spelling
2492 my ($name, @suffixes) = @_;
2494 my $xname = &canonicalize ($name);
2495 if ($xname ne $name)
2497 foreach my $xt (@suffixes)
2499 reject_var ("$name$xt", "use `$xname$xt', not `$name$xt'");
2509 # Set up the compile suite.
2510 sub handle_compile ()
2513 unless $get_object_extension_was_run;
2516 my $default_includes = '';
2517 if (! option 'nostdinc')
2519 my @incs = ('-I.', subst ('am__isrc'));
2521 my $var = var 'CONFIG_HEADER';
2524 foreach my $hdr (split (' ', $var->variable_value))
2526 push @incs, '-I' . dirname ($hdr);
2529 # We want `-I. -I$(srcdir)', but the latter -I is redundant
2530 # and unaesthetic in non-VPATH builds. We use `-I.@am__isrc@`
2531 # instead. It will be replaced by '-I.' or '-I. -I$(srcdir)'.
2532 # Items in CONFIG_HEADER are never in $(srcdir) so it is safe
2533 # to just put @am__isrc@ right after `-I.', without a space.
2534 ($default_includes = ' ' . uniq (@incs)) =~ s/ @/@/;
2537 my (@mostly_rms, @dist_rms);
2538 foreach my $item (sort keys %compile_clean_files)
2540 if ($compile_clean_files{$item} == MOSTLY_CLEAN)
2542 push (@mostly_rms, "\t-rm -f $item");
2544 elsif ($compile_clean_files{$item} == DIST_CLEAN)
2546 push (@dist_rms, "\t-rm -f $item");
2550 prog_error 'invalid entry in %compile_clean_files';
2554 my ($coms, $vars, $rules) =
2555 &file_contents_internal (1, "$libdir/am/compile.am",
2556 new Automake::Location,
2557 ('DEFAULT_INCLUDES' => $default_includes,
2558 'MOSTLYRMS' => join ("\n", @mostly_rms),
2559 'DISTRMS' => join ("\n", @dist_rms)));
2560 $output_vars .= $vars;
2561 $output_rules .= "$coms$rules";
2563 # Check for automatic de-ANSI-fication.
2564 if (option 'ansi2knr')
2566 my ($ansi2knr_filename, $ansi2knr_where) = @{option 'ansi2knr'};
2567 my $ansi2knr_dir = '';
2569 require_variables ($ansi2knr_where, "option `ansi2knr' is used",
2570 TRUE, "ANSI2KNR", "U");
2572 # topdir is where ansi2knr should be.
2573 if ($ansi2knr_filename eq 'ansi2knr')
2575 # Only require ansi2knr files if they should appear in
2577 require_file ($ansi2knr_where, FOREIGN,
2578 'ansi2knr.c', 'ansi2knr.1');
2580 # ansi2knr needs to be built before subdirs, so unshift it
2581 # rather then pushing it.
2582 unshift (@all, '$(ANSI2KNR)');
2586 $ansi2knr_dir = dirname ($ansi2knr_filename);
2589 $output_rules .= &file_contents ('ansi2knr',
2590 new Automake::Location,
2591 'ANSI2KNR-DIR' => $ansi2knr_dir);
2598 # Handle libtool rules.
2601 return unless var ('LIBTOOL');
2603 # Libtool requires some files, but only at top level.
2604 # (Starting with Libtool 2.0 we do not have to bother. These
2605 # requirements are done with AC_REQUIRE_AUX_FILE.)
2606 require_conf_file_with_macro (TRUE, 'LIBTOOL', FOREIGN, @libtool_files)
2607 if $relative_dir eq '.' && ! $libtool_new_api;
2610 foreach my $item (sort keys %libtool_clean_directories)
2612 my $dir = ($item eq '.') ? '' : "$item/";
2613 # .libs is for Unix, _libs for DOS.
2614 push (@libtool_rms, "\t-rm -rf ${dir}.libs ${dir}_libs");
2617 check_user_variables 'LIBTOOLFLAGS';
2619 # Output the libtool compilation rules.
2620 $output_rules .= &file_contents ('libtool',
2621 new Automake::Location,
2622 LTRMS => join ("\n", @libtool_rms));
2625 # handle_programs ()
2626 # ------------------
2627 # Handle C programs.
2630 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2631 'bin', 'sbin', 'libexec', 'pkglibexec',
2633 return if ! @proglist;
2635 my $seen_global_libobjs =
2636 var ('LDADD') && &handle_lib_objects ('', 'LDADD');
2638 foreach my $pair (@proglist)
2640 my ($where, $one_file) = @$pair;
2642 my $seen_libobjs = 0;
2643 my $obj = get_object_extension '.$(OBJEXT)';
2645 $known_programs{$one_file} = $where;
2647 # Canonicalize names and check for misspellings.
2648 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2649 '_SOURCES', '_OBJECTS',
2652 $where->push_context ("while processing program `$one_file'");
2653 $where->set (INTERNAL->get);
2655 my $linker = &handle_source_transform ($xname, $one_file, $obj, $where,
2656 NONLIBTOOL => 1, LIBTOOL => 0);
2658 if (var ($xname . "_LDADD"))
2660 $seen_libobjs = &handle_lib_objects ($xname, $xname . '_LDADD');
2664 # User didn't define prog_LDADD override. So do it.
2665 &define_variable ($xname . '_LDADD', '$(LDADD)', $where);
2667 # This does a bit too much work. But we need it to
2668 # generate _DEPENDENCIES when appropriate.
2671 $seen_libobjs = &handle_lib_objects ($xname, 'LDADD');
2675 reject_var ($xname . '_LIBADD',
2676 "use `${xname}_LDADD', not `${xname}_LIBADD'");
2678 set_seen ($xname . '_DEPENDENCIES');
2679 set_seen ('EXTRA_' . $xname . '_DEPENDENCIES');
2680 set_seen ($xname . '_LDFLAGS');
2682 # Determine program to use for link.
2683 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xname);
2684 $vlink = verbose_flag ($vlink || 'GEN');
2686 # If the resulting program lies into a subdirectory,
2687 # make sure this directory will exist.
2688 my $dirstamp = require_build_directory_maybe ($one_file);
2690 $libtool_clean_directories{dirname ($one_file)} = 1;
2692 $output_rules .= &file_contents ('program',
2694 PROGRAM => $one_file,
2698 DIRSTAMP => $dirstamp,
2699 EXEEXT => '$(EXEEXT)');
2701 if ($seen_libobjs || $seen_global_libobjs)
2703 if (var ($xname . '_LDADD'))
2705 &check_libobjs_sources ($xname, $xname . '_LDADD');
2707 elsif (var ('LDADD'))
2709 &check_libobjs_sources ($xname, 'LDADD');
2716 # handle_libraries ()
2717 # -------------------
2719 sub handle_libraries
2721 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2722 'lib', 'pkglib', 'noinst', 'check');
2723 return if ! @liblist;
2725 my @prefix = am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2730 my $var = rvar ($prefix[0] . '_LIBRARIES');
2731 $var->requires_variables ('library used', 'RANLIB');
2734 &define_variable ('AR', 'ar', INTERNAL);
2735 &define_variable ('ARFLAGS', 'cru', INTERNAL);
2736 &define_verbose_tagvar ('AR');
2738 foreach my $pair (@liblist)
2740 my ($where, $onelib) = @$pair;
2742 my $seen_libobjs = 0;
2743 # Check that the library fits the standard naming convention.
2744 my $bn = basename ($onelib);
2745 if ($bn !~ /^lib.*\.a$/)
2747 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.a/;
2748 my $suggestion = dirname ($onelib) . "/$bn";
2749 $suggestion =~ s|^\./||g;
2750 msg ('error-gnu/warn', $where,
2751 "`$onelib' is not a standard library name\n"
2752 . "did you mean `$suggestion'?")
2755 ($known_libraries{$onelib} = $bn) =~ s/\.a$//;
2757 $where->push_context ("while processing library `$onelib'");
2758 $where->set (INTERNAL->get);
2760 my $obj = get_object_extension '.$(OBJEXT)';
2762 # Canonicalize names and check for misspellings.
2763 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2764 '_OBJECTS', '_DEPENDENCIES',
2767 if (! var ($xlib . '_AR'))
2769 &define_variable ($xlib . '_AR', '$(AR) $(ARFLAGS)', $where);
2772 # Generate support for conditional object inclusion in
2774 if (var ($xlib . '_LIBADD'))
2776 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2783 &define_variable ($xlib . "_LIBADD", '', $where);
2786 reject_var ($xlib . '_LDADD',
2787 "use `${xlib}_LIBADD', not `${xlib}_LDADD'");
2789 # Make sure we at look at this.
2790 set_seen ($xlib . '_DEPENDENCIES');
2791 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2793 &handle_source_transform ($xlib, $onelib, $obj, $where,
2794 NONLIBTOOL => 1, LIBTOOL => 0);
2796 # If the resulting library lies into a subdirectory,
2797 # make sure this directory will exist.
2798 my $dirstamp = require_build_directory_maybe ($onelib);
2799 my $verbose = verbose_flag ('AR');
2800 my $silent = silent_flag ();
2802 $output_rules .= &file_contents ('library',
2804 VERBOSE => $verbose,
2808 DIRSTAMP => $dirstamp);
2812 if (var ($xlib . '_LIBADD'))
2814 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2821 # handle_ltlibraries ()
2822 # ---------------------
2823 # Handle shared libraries.
2824 sub handle_ltlibraries
2826 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2827 'noinst', 'lib', 'pkglib', 'check');
2828 return if ! @liblist;
2830 my @prefix = am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2835 my $var = rvar ($prefix[0] . '_LTLIBRARIES');
2836 $var->requires_variables ('Libtool library used', 'LIBTOOL');
2840 my %instsubdirs = ();
2842 my %liblocations = (); # Location (in Makefile.am) of each library.
2844 foreach my $key (@prefix)
2846 # Get the installation directory of each library.
2848 my $strip_subdir = 1;
2849 if ($dir =~ /^nobase_/)
2851 $dir =~ s/^nobase_//;
2854 my $var = rvar ($key . '_LTLIBRARIES');
2856 # We reject libraries which are installed in several places
2857 # in the same condition, because we can only specify one
2859 $var->traverse_recursively
2862 my ($var, $val, $cond, $full_cond) = @_;
2863 my $hcond = $full_cond->human;
2864 my $where = $var->rdef ($cond)->location;
2866 $ldir = '/' . dirname ($val)
2867 if (!$strip_subdir);
2868 # A library cannot be installed in different directories
2869 # in overlapping conditions.
2870 if (exists $instconds{$val})
2873 $instconds{$val}->ambiguous_p ($val, $full_cond);
2877 error ($where, $msg, partial => 1);
2878 my $dirtxt = "installed " . ($strip_subdir ? "in" : "below") . " `$dir'";
2879 $dirtxt = "built for `$dir'"
2880 if $dir eq 'EXTRA' || $dir eq 'noinst' || $dir eq 'check';
2882 $full_cond->true ? "" : " in condition $hcond";
2884 error ($where, "`$val' should be $dirtxt$dircond ...",
2887 my $hacond = $acond->human;
2888 my $adir = $instdirs{$val}{$acond};
2889 my $adirtxt = "installed in `$adir'";
2890 $adirtxt = "built for `$adir'"
2891 if ($adir eq 'EXTRA' || $adir eq 'noinst'
2892 || $adir eq 'check');
2893 my $adircond = $acond->true ? "" : " in condition $hacond";
2895 my $onlyone = ($dir ne $adir) ?
2896 ("\nLibtool libraries can be built for only one "
2897 . "destination.") : "";
2899 error ($liblocations{$val}{$acond},
2900 "... and should also be $adirtxt$adircond.$onlyone");
2906 $instconds{$val} = new Automake::DisjConditions;
2908 $instdirs{$val}{$full_cond} = $dir;
2909 $instsubdirs{$val}{$full_cond} = $ldir;
2910 $liblocations{$val}{$full_cond} = $where;
2911 $instconds{$val} = $instconds{$val}->merge ($full_cond);
2917 skip_ac_subst => 1);
2920 foreach my $pair (@liblist)
2922 my ($where, $onelib) = @$pair;
2924 my $seen_libobjs = 0;
2925 my $obj = get_object_extension '.lo';
2927 # Canonicalize names and check for misspellings.
2928 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2929 '_SOURCES', '_OBJECTS',
2932 # Check that the library fits the standard naming convention.
2933 my $libname_rx = '^lib.*\.la';
2934 my $ldvar = var ("${xlib}_LDFLAGS") || var ('AM_LDFLAGS');
2935 my $ldvar2 = var ('LDFLAGS');
2936 if (($ldvar && grep (/-module/, $ldvar->value_as_list_recursive))
2937 || ($ldvar2 && grep (/-module/, $ldvar2->value_as_list_recursive)))
2939 # Relax name checking for libtool modules.
2940 $libname_rx = '\.la';
2943 my $bn = basename ($onelib);
2944 if ($bn !~ /$libname_rx$/)
2946 my $type = 'library';
2947 if ($libname_rx eq '\.la')
2949 $bn =~ s/^(lib|)(.*?)(?:\.[^.]*)?$/$1$2.la/;
2954 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.la/;
2956 my $suggestion = dirname ($onelib) . "/$bn";
2957 $suggestion =~ s|^\./||g;
2958 msg ('error-gnu/warn', $where,
2959 "`$onelib' is not a standard libtool $type name\n"
2960 . "did you mean `$suggestion'?")
2963 ($known_libraries{$onelib} = $bn) =~ s/\.la$//;
2965 $where->push_context ("while processing Libtool library `$onelib'");
2966 $where->set (INTERNAL->get);
2968 # Make sure we look at these.
2969 set_seen ($xlib . '_LDFLAGS');
2970 set_seen ($xlib . '_DEPENDENCIES');
2971 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2973 # Generate support for conditional object inclusion in
2975 if (var ($xlib . '_LIBADD'))
2977 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2984 &define_variable ($xlib . "_LIBADD", '', $where);
2987 reject_var ("${xlib}_LDADD",
2988 "use `${xlib}_LIBADD', not `${xlib}_LDADD'");
2991 my $linker = &handle_source_transform ($xlib, $onelib, $obj, $where,
2992 NONLIBTOOL => 0, LIBTOOL => 1);
2994 # Determine program to use for link.
2995 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xlib);
2996 $vlink = verbose_flag ($vlink || 'GEN');
2998 my $rpathvar = "am_${xlib}_rpath";
2999 my $rpath = "\$($rpathvar)";
3000 foreach my $rcond ($instconds{$onelib}->conds)
3003 if ($instdirs{$onelib}{$rcond} eq 'EXTRA'
3004 || $instdirs{$onelib}{$rcond} eq 'noinst'
3005 || $instdirs{$onelib}{$rcond} eq 'check')
3007 # It's an EXTRA_ library, so we can't specify -rpath,
3008 # because we don't know where the library will end up.
3009 # The user probably knows, but generally speaking automake
3010 # doesn't -- and in fact configure could decide
3011 # dynamically between two different locations.
3016 $val = ('-rpath $(' . $instdirs{$onelib}{$rcond} . 'dir)');
3017 $val .= $instsubdirs{$onelib}{$rcond}
3018 if defined $instsubdirs{$onelib}{$rcond};
3022 # If $rcond is true there is only one condition and
3023 # there is no point defining an helper variable.
3028 define_pretty_variable ($rpathvar, $rcond, INTERNAL, $val);
3032 # If the resulting library lies into a subdirectory,
3033 # make sure this directory will exist.
3034 my $dirstamp = require_build_directory_maybe ($onelib);
3036 # Remember to cleanup .libs/ in this directory.
3037 my $dirname = dirname $onelib;
3038 $libtool_clean_directories{$dirname} = 1;
3040 $output_rules .= &file_contents ('ltlibrary',
3042 LTLIBRARY => $onelib,
3043 XLTLIBRARY => $xlib,
3047 DIRSTAMP => $dirstamp);
3050 if (var ($xlib . '_LIBADD'))
3052 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
3058 # See if any _SOURCES variable were misspelled.
3061 # It is ok if the user sets this particular variable.
3062 set_seen 'AM_LDFLAGS';
3064 foreach my $primary ('SOURCES', 'LIBADD', 'LDADD', 'LDFLAGS', 'DEPENDENCIES')
3066 foreach my $var (variables $primary)
3068 my $varname = $var->name;
3069 # A configure variable is always legitimate.
3070 next if exists $configure_vars{$varname};
3072 for my $cond ($var->conditions->conds)
3074 $varname =~ /^(?:nobase_)?(?:dist_|nodist_)?(.*)_[[:alnum:]]+$/;
3075 msg_var ('syntax', $var, "variable `$varname' is defined but no"
3076 . " program or\nlibrary has `$1' as canonical name"
3077 . " (possible typo)")
3078 unless $var->rdef ($cond)->seen;
3088 # NOTE we no longer automatically clean SCRIPTS, because it is
3089 # useful to sometimes distribute scripts verbatim. This happens
3090 # e.g. in Automake itself.
3091 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
3092 'bin', 'sbin', 'libexec', 'pkglibexec', 'pkgdata',
3099 ## ------------------------ ##
3100 ## Handling Texinfo files. ##
3101 ## ------------------------ ##
3103 # ($OUTFILE, $VFILE, @CLEAN_FILES)
3104 # &scan_texinfo_file ($FILENAME)
3105 # ------------------------------
3106 # $OUTFILE - name of the info file produced by $FILENAME.
3107 # $VFILE - name of the version.texi file used (undef if none).
3108 # @CLEAN_FILES - list of byproducts (indexes etc.)
3109 sub scan_texinfo_file ($)
3111 my ($filename) = @_;
3113 # Some of the following extensions are always created, no matter
3114 # whether indexes are used or not. Other (like cps, fns, ... pgs)
3115 # are only created when they are used. We used to scan $FILENAME
3116 # for their use, but that is not enough: they could be used in
3117 # included files. We can't scan included files because we don't
3118 # know the include path. Therefore we always erase these files, no
3119 # matter whether they are used or not.
3121 # (tmp is only created if an @macro is used and a certain e-TeX
3122 # feature is not available.)
3123 my %clean_suffixes =
3124 map { $_ => 1 } (qw(aux log toc tmp
3130 pg pgs)); # grep 'new.*index' texinfo.tex
3132 my $texi = new Automake::XFile "< $filename";
3133 verb "reading $filename";
3135 my ($outfile, $vfile);
3136 while ($_ = $texi->getline)
3138 if (/^\@setfilename +(\S+)/)
3140 # Honor only the first @setfilename. (It's possible to have
3141 # more occurrences later if the manual shows examples of how
3142 # to use @setfilename...)
3146 if ($outfile =~ /\.([^.]+)$/ && $1 ne 'info')
3148 error ("$filename:$.",
3149 "output `$outfile' has unrecognized extension");
3153 # A "version.texi" file is actually any file whose name matches
3155 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
3160 # Try to find new or unused indexes.
3162 # Creating a new category of index.
3163 elsif (/^\@def(code)?index (\w+)/)
3165 $clean_suffixes{$2} = 1;
3166 $clean_suffixes{"$2s"} = 1;
3169 # Merging an index into an another.
3170 elsif (/^\@syn(code)?index (\w+) (\w+)/)
3172 delete $clean_suffixes{"$2s"};
3173 $clean_suffixes{"$3s"} = 1;
3180 err_am "`$filename' missing \@setfilename";
3184 my $infobase = basename ($filename);
3185 $infobase =~ s/\.te?xi(nfo)?$//;
3186 return ($outfile, $vfile,
3187 map { "$infobase.$_" } (sort keys %clean_suffixes));
3191 # ($DIRSTAMP, @CLEAN_FILES)
3192 # output_texinfo_build_rules ($SOURCE, $DEST, $INSRC, @DEPENDENCIES)
3193 # ------------------------------------------------------------------
3194 # SOURCE - the source Texinfo file
3195 # DEST - the destination Info file
3196 # INSRC - whether DEST should be built in the source tree
3197 # DEPENDENCIES - known dependencies
3198 sub output_texinfo_build_rules ($$$@)
3200 my ($source, $dest, $insrc, @deps) = @_;
3202 # Split `a.texi' into `a' and `.texi'.
3203 my ($spfx, $ssfx) = ($source =~ /^(.*?)(\.[^.]*)?$/);
3204 my ($dpfx, $dsfx) = ($dest =~ /^(.*?)(\.[^.]*)?$/);
3209 # We can output two kinds of rules: the "generic" rules use Make
3210 # suffix rules and are appropriate when $source and $dest do not lie
3211 # in a sub-directory; the "specific" rules are needed in the other
3214 # The former are output only once (this is not really apparent here,
3215 # but just remember that some logic deeper in Automake will not
3216 # output the same rule twice); while the later need to be output for
3217 # each Texinfo source.
3220 my $sdir = dirname $source;
3221 if ($sdir eq '.' && dirname ($dest) eq '.')
3224 $makeinfoflags = '-I $(srcdir)';
3229 $makeinfoflags = "-I $sdir -I \$(srcdir)/$sdir";
3232 # A directory can contain two kinds of info files: some built in the
3233 # source tree, and some built in the build tree. The rules are
3234 # different in each case. However we cannot output two different
3235 # set of generic rules. Because in-source builds are more usual, we
3236 # use generic rules in this case and fall back to "specific" rules
3237 # for build-dir builds. (It should not be a problem to invert this
3239 $generic = 0 unless $insrc;
3241 # We cannot use a suffix rule to build info files with an empty
3242 # extension. Otherwise we would output a single suffix inference
3243 # rule, with separate dependencies, as in
3247 # foo.info: foo.texi
3249 # which confuse Solaris make. (See the Autoconf manual for
3250 # details.) Therefore we use a specific rule in this case. This
3251 # applies to info files only (dvi and pdf files always have an
3253 my $generic_info = ($generic && $dsfx) ? 1 : 0;
3255 # If the resulting file lie into a subdirectory,
3256 # make sure this directory will exist.
3257 my $dirstamp = require_build_directory_maybe ($dest);
3259 my $dipfx = ($insrc ? '$(srcdir)/' : '') . $dpfx;
3261 $output_rules .= file_contents ('texibuild',
3262 new Automake::Location,
3264 DEST_PREFIX => $dpfx,
3265 DEST_INFO_PREFIX => $dipfx,
3266 DEST_SUFFIX => $dsfx,
3267 DIRSTAMP => $dirstamp,
3268 GENERIC => $generic,
3269 GENERIC_INFO => $generic_info,
3271 MAKEINFOFLAGS => $makeinfoflags,
3274 SOURCE_INFO => ($generic_info
3276 SOURCE_REAL => $source,
3277 SOURCE_SUFFIX => $ssfx,
3279 return ($dirstamp, "$dpfx.dvi", "$dpfx.pdf", "$dpfx.ps", "$dpfx.html");
3283 # ($MOSTLYCLEAN, $TEXICLEAN, $MAINTCLEAN)
3284 # handle_texinfo_helper ($info_texinfos)
3285 # --------------------------------------
3286 # Handle all Texinfo source; helper for handle_texinfo.
3287 sub handle_texinfo_helper ($)
3289 my ($info_texinfos) = @_;
3290 my (@infobase, @info_deps_list, @texi_deps);
3293 my (@mostly_cleans, @texi_cleans, @maint_cleans) = ('', '', '');
3295 # Build a regex matching user-cleaned files.
3296 my $d = var 'DISTCLEANFILES';
3297 my $c = var 'CLEANFILES';
3299 push @f, $d->value_as_list_recursive (inner_expand => 1) if $d;
3300 push @f, $c->value_as_list_recursive (inner_expand => 1) if $c;
3301 @f = map { s|[^A-Za-z_0-9*\[\]\-]|\\$&|g; s|\*|[^/]*|g; $_; } @f;
3302 my $user_cleaned_files = '^(?:' . join ('|', @f) . ')$';
3305 ($info_texinfos->value_as_list_recursive (inner_expand => 1))
3307 my $infobase = $texi;
3308 $infobase =~ s/\.(txi|texinfo|texi)$//;
3310 if ($infobase eq $texi)
3312 # FIXME: report line number.
3313 err_am "texinfo file `$texi' has unrecognized extension";
3317 push @infobase, $infobase;
3319 # If 'version.texi' is referenced by input file, then include
3320 # automatic versioning capability.
3321 my ($out_file, $vtexi, @clean_files) =
3322 scan_texinfo_file ("$relative_dir/$texi")
3324 push (@mostly_cleans, @clean_files);
3326 # If the Texinfo source is in a subdirectory, create the
3327 # resulting info in this subdirectory. If it is in the current
3328 # directory, try hard to not prefix "./" because it breaks the
3330 my $outdir = dirname ($texi) . '/';
3331 $outdir = "" if $outdir eq './';
3332 $out_file = $outdir . $out_file;
3334 # Until Automake 1.6.3, .info files were built in the
3335 # source tree. This was an obstacle to the support of
3336 # non-distributed .info files, and non-distributed .texi
3339 # * Non-distributed .texi files is important in some packages
3340 # where .texi files are built at make time, probably using
3341 # other binaries built in the package itself, maybe using
3342 # tools or information found on the build host. Because
3343 # these files are not distributed they are always rebuilt
3344 # at make time; they should therefore not lie in the source
3345 # directory. One plan was to support this using
3346 # nodist_info_TEXINFOS or something similar. (Doing this
3347 # requires some sanity checks. For instance Automake should
3349 # dist_info_TEXINFOS = foo.texi
3350 # nodist_foo_TEXINFOS = included.texi
3351 # because a distributed file should never depend on a
3352 # non-distributed file.)
3354 # * If .texi files are not distributed, then .info files should
3355 # not be distributed either. There are also cases where one
3356 # wants to distribute .texi files, but does not want to
3357 # distribute the .info files. For instance the Texinfo package
3358 # distributes the tool used to build these files; it would
3359 # be a waste of space to distribute them. It's not clear
3360 # which syntax we should use to indicate that .info files should
3361 # not be distributed. Akim Demaille suggested that eventually
3362 # we switch to a new syntax:
3363 # | Maybe we should take some inspiration from what's already
3364 # | done in the rest of Automake. Maybe there is too much
3365 # | syntactic sugar here, and you want
3366 # | nodist_INFO = bar.info
3367 # | dist_bar_info_SOURCES = bar.texi
3368 # | bar_texi_DEPENDENCIES = foo.texi
3369 # | with a bit of magic to have bar.info represent the whole
3370 # | bar*info set. That's a lot more verbose that the current
3371 # | situation, but it is # not new, hence the user has less
3374 # | But there is still too much room for meaningless specs:
3375 # | nodist_INFO = bar.info
3376 # | dist_bar_info_SOURCES = bar.texi
3377 # | dist_PS = bar.ps something-written-by-hand.ps
3378 # | nodist_bar_ps_SOURCES = bar.texi
3379 # | bar_texi_DEPENDENCIES = foo.texi
3380 # | here bar.texi is dist_ in line 2, and nodist_ in 4.
3382 # Back to the point, it should be clear that in order to support
3383 # non-distributed .info files, we need to build them in the
3384 # build tree, not in the source tree (non-distributed .texi
3385 # files are less of a problem, because we do not output build
3386 # rules for them). In Automake 1.7 .info build rules have been
3387 # largely cleaned up so that .info files get always build in the
3388 # build tree, even when distributed. The idea was that
3389 # (1) if during a VPATH build the .info file was found to be
3390 # absent or out-of-date (in the source tree or in the
3391 # build tree), Make would rebuild it in the build tree.
3392 # If an up-to-date source-tree of the .info file existed,
3393 # make would not rebuild it in the build tree.
3394 # (2) having two copies of .info files, one in the source tree
3395 # and one (newer) in the build tree is not a problem
3396 # because `make dist' always pick files in the build tree
3398 # However it turned out the be a bad idea for several reasons:
3399 # * Tru64, OpenBSD, and FreeBSD (not NetBSD) Make do not behave
3400 # like GNU Make on point (1) above. These implementations
3401 # of Make would always rebuild .info files in the build
3402 # tree, even if such files were up to date in the source
3403 # tree. Consequently, it was impossible to perform a VPATH
3404 # build of a package containing Texinfo files using these
3405 # Make implementations.
3406 # (Refer to the Autoconf Manual, section "Limitation of
3407 # Make", paragraph "VPATH", item "target lookup", for
3408 # an account of the differences between these
3410 # * The GNU Coding Standards require these files to be built
3411 # in the source-tree (when they are distributed, that is).
3412 # * Keeping a fresher copy of distributed files in the
3413 # build tree can be annoying during development because
3414 # - if the files is kept under CVS, you really want it
3415 # to be updated in the source tree
3416 # - it is confusing that `make distclean' does not erase
3417 # all files in the build tree.
3419 # Consequently, starting with Automake 1.8, .info files are
3420 # built in the source tree again. Because we still plan to
3421 # support non-distributed .info files at some point, we
3422 # have a single variable ($INSRC) that controls whether
3423 # the current .info file must be built in the source tree
3424 # or in the build tree. Actually this variable is switched
3425 # off for .info files that appear to be cleaned; this is
3426 # for backward compatibility with package such as Texinfo,
3427 # which do things like
3428 # info_TEXINFOS = texinfo.txi info-stnd.texi info.texi
3429 # DISTCLEANFILES = texinfo texinfo-* info*.info*
3430 # # Do not create info files for distribution.
3432 # in order not to distribute .info files.
3433 my $insrc = ($out_file =~ $user_cleaned_files) ? 0 : 1;
3435 my $soutdir = '$(srcdir)/' . $outdir;
3436 $outdir = $soutdir if $insrc;
3438 # If user specified file_TEXINFOS, then use that as explicit
3441 push (@texi_deps, "$soutdir$vtexi") if $vtexi;
3443 my $canonical = canonicalize ($infobase);
3444 if (var ($canonical . "_TEXINFOS"))
3446 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
3447 push_dist_common ('$(' . $canonical . '_TEXINFOS)');
3450 my ($dirstamp, @cfiles) =
3451 output_texinfo_build_rules ($texi, $out_file, $insrc, @texi_deps);
3452 push (@texi_cleans, @cfiles);
3454 push (@info_deps_list, $out_file);
3456 # If a vers*.texi file is needed, emit the rule.
3459 err_am ("`$vtexi', included in `$texi', "
3460 . "also included in `$versions{$vtexi}'")
3461 if defined $versions{$vtexi};
3462 $versions{$vtexi} = $texi;
3464 # We number the stamp-vti files. This is doable since the
3465 # actual names don't matter much. We only number starting
3466 # with the second one, so that the common case looks nice.
3467 my $vti = ($done ? $done : 'vti');
3470 # This is ugly, but it is our historical practice.
3471 if ($config_aux_dir_set_in_configure_ac)
3473 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3478 require_file_with_macro (TRUE, 'info_TEXINFOS',
3479 FOREIGN, 'mdate-sh');
3483 if ($config_aux_dir_set_in_configure_ac)
3485 $conf_dir = "$am_config_aux_dir/";
3489 $conf_dir = '$(srcdir)/';
3491 $output_rules .= file_contents ('texi-vers',
3492 new Automake::Location,
3495 STAMPVTI => "${soutdir}stamp-$vti",
3496 VTEXI => "$soutdir$vtexi",
3498 DIRSTAMP => $dirstamp);
3502 # Handle location of texinfo.tex.
3503 my $need_texi_file = 0;
3505 if (var ('TEXINFO_TEX'))
3507 # The user defined TEXINFO_TEX so assume he knows what he is
3509 $texinfodir = ('$(srcdir)/'
3510 . dirname (variable_value ('TEXINFO_TEX')));
3512 elsif (option 'cygnus')
3514 $texinfodir = '$(top_srcdir)/../texinfo';
3515 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3517 elsif ($config_aux_dir_set_in_configure_ac)
3519 $texinfodir = $am_config_aux_dir;
3520 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3521 $need_texi_file = 2; # so that we require_conf_file later
3525 $texinfodir = '$(srcdir)';
3526 $need_texi_file = 1;
3528 define_variable ('am__TEXINFO_TEX_DIR', $texinfodir, INTERNAL);
3530 push (@dist_targets, 'dist-info');
3532 if (! option 'no-installinfo')
3534 # Make sure documentation is made and installed first. Use
3535 # $(INFO_DEPS), not 'info', because otherwise recursive makes
3536 # get run twice during "make all".
3537 unshift (@all, '$(INFO_DEPS)');
3540 define_files_variable ("DVIS", @infobase, 'dvi', INTERNAL);
3541 define_files_variable ("PDFS", @infobase, 'pdf', INTERNAL);
3542 define_files_variable ("PSS", @infobase, 'ps', INTERNAL);
3543 define_files_variable ("HTMLS", @infobase, 'html', INTERNAL);
3545 # This next isn't strictly needed now -- the places that look here
3546 # could easily be changed to look in info_TEXINFOS. But this is
3547 # probably better, in case noinst_TEXINFOS is ever supported.
3548 define_variable ("TEXINFOS", variable_value ('info_TEXINFOS'), INTERNAL);
3550 # Do some error checking. Note that this file is not required
3551 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
3553 if ($need_texi_file && ! option 'no-texinfo.tex')
3555 if ($need_texi_file > 1)
3557 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3562 require_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3567 return (makefile_wrap ("", "\t ", @mostly_cleans),
3568 makefile_wrap ("", "\t ", @texi_cleans),
3569 makefile_wrap ("", "\t ", @maint_cleans));
3575 # Handle all Texinfo source.
3576 sub handle_texinfo ()
3578 reject_var 'TEXINFOS', "`TEXINFOS' is an anachronism; use `info_TEXINFOS'";
3579 # FIXME: I think this is an obsolete future feature name.
3580 reject_var 'html_TEXINFOS', "HTML generation not yet supported";
3582 my $info_texinfos = var ('info_TEXINFOS');
3583 my ($mostlyclean, $clean, $maintclean) = ('', '', '');
3586 ($mostlyclean, $clean, $maintclean) = handle_texinfo_helper ($info_texinfos);
3592 $output_rules .= file_contents ('texinfos',
3593 new Automake::Location,
3594 MOSTLYCLEAN => $mostlyclean,
3595 TEXICLEAN => $clean,
3596 MAINTCLEAN => $maintclean,
3597 'LOCAL-TEXIS' => !!$info_texinfos);
3601 # Handle any man pages.
3602 sub handle_man_pages
3604 reject_var 'MANS', "`MANS' is an anachronism; use `man_MANS'";
3606 # Find all the sections in use. We do this by first looking for
3607 # "standard" sections, and then looking for any additional
3608 # sections used in man_MANS.
3609 my (%sections, %notrans_sections, %trans_sections,
3610 %notrans_vars, %trans_vars, %notrans_sect_vars, %trans_sect_vars);
3611 # We handle nodist_ for uniformity. man pages aren't distributed
3612 # by default so it isn't actually very important.
3613 foreach my $npfx ('', 'notrans_')
3615 foreach my $pfx ('', 'dist_', 'nodist_')
3617 # Add more sections as needed.
3618 foreach my $section ('0'..'9', 'n', 'l')
3620 my $varname = $npfx . $pfx . 'man' . $section . '_MANS';
3623 $sections{$section} = 1;
3624 $varname = '$(' . $varname . ')';
3625 if ($npfx eq 'notrans_')
3627 $notrans_sections{$section} = 1;
3628 $notrans_sect_vars{$varname} = 1;
3632 $trans_sections{$section} = 1;
3633 $trans_sect_vars{$varname} = 1;
3636 &push_dist_common ($varname)
3641 my $varname = $npfx . $pfx . 'man_MANS';
3642 my $var = var ($varname);
3645 foreach ($var->value_as_list_recursive)
3647 # A page like `foo.1c' goes into man1dir.
3648 if (/\.([0-9a-z])([a-z]*)$/)
3651 if ($npfx eq 'notrans_')
3653 $notrans_sections{$1} = 1;
3657 $trans_sections{$1} = 1;
3662 $varname = '$(' . $varname . ')';
3663 if ($npfx eq 'notrans_')
3665 $notrans_vars{$varname} = 1;
3669 $trans_vars{$varname} = 1;
3671 &push_dist_common ($varname)
3677 return unless %sections;
3681 # Build section independent variables.
3682 my $have_notrans = %notrans_vars;
3683 my @notrans_list = sort keys %notrans_vars;
3684 my $have_trans = %trans_vars;
3685 my @trans_list = sort keys %trans_vars;
3687 # Now for each section, generate an install and uninstall rule.
3688 # Sort sections so output is deterministic.
3689 foreach my $section (sort keys %sections)
3691 # Build section dependent variables.
3692 my $notrans_mans = $have_notrans || exists $notrans_sections{$section};
3693 my $trans_mans = $have_trans || exists $trans_sections{$section};
3694 my (%notrans_this_sect, %trans_this_sect);
3695 my $expr = 'man' . $section . '_MANS';
3696 foreach my $varname (keys %notrans_sect_vars)
3698 if ($varname =~ /$expr/)
3700 $notrans_this_sect{$varname} = 1;
3703 foreach my $varname (keys %trans_sect_vars)
3705 if ($varname =~ /$expr/)
3707 $trans_this_sect{$varname} = 1;
3710 my @notrans_sect_list = sort keys %notrans_this_sect;
3711 my @trans_sect_list = sort keys %trans_this_sect;
3712 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3713 keys %notrans_this_sect, keys %trans_this_sect);
3714 my @deps = sort @unsorted_deps;
3715 $output_rules .= &file_contents ('mans',
3716 new Automake::Location,
3717 SECTION => $section,
3719 NOTRANS_MANS => $notrans_mans,
3720 NOTRANS_SECT_LIST => "@notrans_sect_list",
3721 HAVE_NOTRANS => $have_notrans,
3722 NOTRANS_LIST => "@notrans_list",
3723 TRANS_MANS => $trans_mans,
3724 TRANS_SECT_LIST => "@trans_sect_list",
3725 HAVE_TRANS => $have_trans,
3726 TRANS_LIST => "@trans_list");
3729 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3730 keys %notrans_sect_vars, keys %trans_sect_vars);
3731 my @mans = sort @unsorted_deps;
3732 $output_vars .= file_contents ('mans-vars',
3733 new Automake::Location,
3736 push (@all, '$(MANS)')
3737 unless option 'no-installman';
3740 # Handle DATA variables.
3743 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
3744 'data', 'dataroot', 'doc', 'dvi', 'html', 'pdf',
3745 'ps', 'sysconf', 'sharedstate', 'localstate',
3746 'pkgdata', 'lisp', 'noinst', 'check');
3754 if (var ('SUBDIRS'))
3756 $output_rules .= ("tags-recursive:\n"
3757 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
3758 # Never fail here if a subdir fails; it
3760 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3761 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
3763 push (@tag_deps, 'tags-recursive');
3764 &depend ('.PHONY', 'tags-recursive');
3765 &depend ('.MAKE', 'tags-recursive');
3767 $output_rules .= ("ctags-recursive:\n"
3768 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
3769 # Never fail here if a subdir fails; it
3771 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3772 . " && \$(MAKE) \$(AM_MAKEFLAGS) ctags); \\\n"
3774 push (@ctag_deps, 'ctags-recursive');
3775 &depend ('.PHONY', 'ctags-recursive');
3776 &depend ('.MAKE', 'ctags-recursive');
3779 if (&saw_sources_p (1)
3780 || var ('ETAGS_ARGS')
3784 foreach my $spec (@config_headers)
3786 my ($out, @ins) = split_config_file_spec ($spec);
3787 foreach my $in (@ins)
3789 # If the config header source is in this directory,
3791 push @config, basename ($in)
3792 if $relative_dir eq dirname ($in);
3795 $output_rules .= &file_contents ('tags',
3796 new Automake::Location,
3797 CONFIG => "@config",
3798 TAGSDIRS => "@tag_deps",
3799 CTAGSDIRS => "@ctag_deps");
3801 set_seen 'TAGS_DEPENDENCIES';
3803 elsif (reject_var ('TAGS_DEPENDENCIES',
3804 "doesn't make sense to define `TAGS_DEPENDENCIES'"
3805 . "without\nsources or `ETAGS_ARGS'"))
3810 # Every Makefile must define some sort of TAGS rule.
3811 # Otherwise, it would be possible for a top-level "make TAGS"
3812 # to fail because some subdirectory failed.
3813 $output_rules .= "tags: TAGS\nTAGS:\n\n";
3815 $output_rules .= "ctags: CTAGS\nCTAGS:\n\n";
3819 # Handle multilib support.
3822 if ($seen_multilib && $relative_dir eq '.')
3824 $output_rules .= &file_contents ('multilib', new Automake::Location);
3825 push (@all, 'all-multi');
3830 # user_phony_rule ($NAME)
3831 # -----------------------
3832 # Return false if rule $NAME does not exist. Otherwise,
3833 # declare it as phony, complete its definition (in case it is
3834 # conditional), and return its Automake::Rule instance.
3835 sub user_phony_rule ($)
3838 my $rule = rule $name;
3841 depend ('.PHONY', $name);
3842 # Define $NAME in all condition where it is not already defined,
3843 # so that it is always OK to depend on $NAME.
3844 for my $c ($rule->not_always_defined_in_cond (TRUE)->conds)
3846 Automake::Rule::define ($name, 'internal', RULE_AUTOMAKE,
3848 $output_rules .= $c->subst_string . "$name:\n";
3856 # &for_dist_common ($A, $B)
3857 # -------------------------
3858 # Subroutine for &handle_dist: sort files to dist.
3860 # We put README first because it then becomes easier to make a
3861 # Usenet-compliant shar file (in these, README must be first).
3863 # FIXME: do more ordering of files here.
3877 # Handle 'dist' target.
3880 # Substitutions for distdir.am
3883 # Define DIST_SUBDIRS. This must always be done, regardless of the
3884 # no-dist setting: target like `distclean' or `maintainer-clean' use it.
3885 my $subdirs = var ('SUBDIRS');
3888 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3889 # to all possible directories, and use it. If DIST_SUBDIRS is
3890 # defined, just use it.
3892 # Note that we check DIST_SUBDIRS first on purpose, so that
3893 # we don't call has_conditional_contents for now reason.
3894 # (In the past one project used so many conditional subdirectories
3895 # that calling has_conditional_contents on SUBDIRS caused
3896 # automake to grow to 150Mb -- this should not happen with
3897 # the current implementation of has_conditional_contents,
3898 # but it's more efficient to avoid the call anyway.)
3899 if (var ('DIST_SUBDIRS'))
3902 elsif ($subdirs->has_conditional_contents)
3904 define_pretty_variable
3905 ('DIST_SUBDIRS', TRUE, INTERNAL,
3906 uniq ($subdirs->value_as_list_recursive));
3910 # We always define this because that is what `distclean'
3912 define_pretty_variable ('DIST_SUBDIRS', TRUE, INTERNAL,
3917 # The remaining definitions are only required when a dist target is used.
3918 return if option 'no-dist';
3920 # At least one of the archive formats must be enabled.
3921 if ($relative_dir eq '.')
3923 my $archive_defined = option 'no-dist-gzip' ? 0 : 1;
3924 $archive_defined ||=
3925 grep { option "dist-$_" } qw(shar zip tarZ bzip2 lzip lzma xz);
3926 error (option 'no-dist-gzip',
3927 "no-dist-gzip specified but no dist-* specified, "
3928 . "at least one archive format must be enabled")
3929 unless $archive_defined;
3932 # Look for common files that should be included in distribution.
3933 # If the aux dir is set, and it does not have a Makefile.am, then
3934 # we check for these files there as well.
3936 if ($relative_dir eq '.'
3937 && $config_aux_dir_set_in_configure_ac)
3939 if (! &is_make_dir ($config_aux_dir))
3944 foreach my $cfile (@common_files)
3946 if (dir_has_case_matching_file ($relative_dir, $cfile)
3947 # The file might be absent, but if it can be built it's ok.
3950 &push_dist_common ($cfile);
3953 # Don't use `elsif' here because a file might meaningfully
3954 # appear in both directories.
3955 if ($check_aux && dir_has_case_matching_file ($config_aux_dir, $cfile))
3957 &push_dist_common ("$config_aux_dir/$cfile")
3961 # We might copy elements from $configure_dist_common to
3962 # %dist_common if we think we need to. If the file appears in our
3963 # directory, we would have discovered it already, so we don't
3964 # check that. But if the file is in a subdir without a Makefile,
3965 # we want to distribute it here if we are doing `.'. Ugly!
3966 if ($relative_dir eq '.')
3968 foreach my $file (split (' ' , $configure_dist_common))
3970 push_dist_common ($file)
3971 unless is_make_dir (dirname ($file));
3975 # Files to distributed. Don't use ->value_as_list_recursive
3976 # as it recursively expands `$(dist_pkgdata_DATA)' etc.
3977 my @dist_common = split (' ', rvar ('DIST_COMMON')->variable_value);
3978 @dist_common = uniq (sort for_dist_common (@dist_common));
3979 variable_delete 'DIST_COMMON';
3980 define_pretty_variable ('DIST_COMMON', TRUE, INTERNAL, @dist_common);
3982 # Now that we've processed DIST_COMMON, disallow further attempts
3984 $handle_dist_run = 1;
3986 # Scan EXTRA_DIST to see if we need to distribute anything from a
3987 # subdir. If so, add it to the list. I didn't want to do this
3988 # originally, but there were so many requests that I finally
3990 my $extra_dist = var ('EXTRA_DIST');
3992 $transform{'DISTCHECK-HOOK'} = !! rule 'distcheck-hook';
3993 $transform{'GETTEXT'} = $seen_gettext && !$seen_gettext_external;
3995 # If the target `dist-hook' exists, make sure it is run. This
3996 # allows users to do random weird things to the distribution
3997 # before it is packaged up.
3998 push (@dist_targets, 'dist-hook')
3999 if user_phony_rule 'dist-hook';
4000 $transform{'DIST-TARGETS'} = join (' ', @dist_targets);
4002 my $flm = option ('filename-length-max');
4003 my $filename_filter = $flm ? '.' x $flm->[1] : '';
4005 $output_rules .= &file_contents ('distdir',
4006 new Automake::Location,
4008 FILENAME_FILTER => $filename_filter);
4012 # check_directory ($NAME, $WHERE)
4013 # -------------------------------
4014 # Ensure $NAME is a directory, and that it uses a sane name.
4015 # Use $WHERE as a location in the diagnostic, if any.
4016 sub check_directory ($$)
4018 my ($dir, $where) = @_;
4020 error $where, "required directory $relative_dir/$dir does not exist"
4021 unless -d "$relative_dir/$dir";
4023 # If an `obj/' directory exists, BSD make will enter it before
4024 # reading `Makefile'. Hence the `Makefile' in the current directory
4030 # % cat obj/Makefile
4036 # % pmake # BSD make
4039 msg ('portability', $where,
4040 "naming a subdirectory `obj' causes troubles with BSD make")
4043 # `aux' is probably the most important of the following forbidden name,
4044 # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
4045 msg ('portability', $where,
4046 "name `$dir' is reserved on W32 and DOS platforms")
4047 if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
4050 # check_directories_in_var ($VARIABLE)
4051 # ------------------------------------
4052 # Recursively check all items in variables $VARIABLE as directories
4053 sub check_directories_in_var ($)
4056 $var->traverse_recursively
4059 my ($var, $val, $cond, $full_cond) = @_;
4060 check_directory ($val, $var->rdef ($cond)->location);
4064 skip_ac_subst => 1);
4067 # &handle_subdirs ()
4068 # ------------------
4069 # Handle subdirectories.
4070 sub handle_subdirs ()
4072 my $subdirs = var ('SUBDIRS');
4076 check_directories_in_var $subdirs;
4078 my $dsubdirs = var ('DIST_SUBDIRS');
4079 check_directories_in_var $dsubdirs
4082 $output_rules .= &file_contents ('subdirs', new Automake::Location);
4083 rvar ('RECURSIVE_TARGETS')->rdef (TRUE)->{'pretty'} = VAR_SORTED; # Gross!
4087 # ($REGEN, @DEPENDENCIES)
4090 # If aclocal.m4 creation is automated, return the list of its dependencies.
4091 sub scan_aclocal_m4 ()
4093 my $regen_aclocal = 0;
4095 set_seen 'CONFIG_STATUS_DEPENDENCIES';
4096 set_seen 'CONFIGURE_DEPENDENCIES';
4098 if (-f 'aclocal.m4')
4100 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
4102 my $aclocal = new Automake::XFile "< aclocal.m4";
4103 my $line = $aclocal->getline;
4104 $regen_aclocal = $line =~ 'generated automatically by aclocal';
4109 if (set_seen ('ACLOCAL_M4_SOURCES'))
4111 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
4112 msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
4113 "`ACLOCAL_M4_SOURCES' is obsolete.\n"
4114 . "It should be safe to simply remove it.");
4117 # Note that it might be possible that aclocal.m4 doesn't exist but
4118 # should be auto-generated. This case probably isn't very
4121 return ($regen_aclocal, @ac_deps);
4125 # Helper function for substitute_ac_subst_variables.
4126 sub substitute_ac_subst_variables_worker($)
4129 return "\@$token\@" if var $token;
4130 return "\${$token\}";
4133 # substitute_ac_subst_variables ($TEXT)
4134 # -------------------------------------
4135 # Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
4137 sub substitute_ac_subst_variables ($)
4140 $text =~ s/\${([^ \t=:+{}]+)}/&substitute_ac_subst_variables_worker ($1)/ge;
4145 # &prepend_srcdir (@INPUTS)
4146 # -------------------------
4147 # Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
4148 # if an input file has a directory part the same as the current
4149 # directory, then the directory part is simply replaced by $(srcdir).
4150 # But if the directory part is different, then $(top_srcdir) is
4152 sub prepend_srcdir (@)
4157 foreach my $single (@inputs)
4159 if (dirname ($single) eq $relative_dir)
4161 push (@newinputs, '$(srcdir)/' . basename ($single));
4165 push (@newinputs, '$(top_srcdir)/' . $single);
4172 # rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
4173 # ---------------------------------------------------
4174 # Compute a list of dependencies appropriate for the rebuild
4176 # AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
4177 # Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
4178 sub rewrite_inputs_into_dependencies ($@)
4180 my ($file, @inputs) = @_;
4185 # We cannot create dependencies on shell variables.
4186 next if (substitute_ac_subst_variables $i) =~ /\$/;
4188 if (exists $ac_config_files_location{$i} && $i ne $file)
4190 my $di = dirname $i;
4191 if ($di eq $relative_dir)
4195 # In the top-level Makefile we do not use $(top_builddir), because
4196 # we are already there, and since the targets are built without
4197 # a $(top_builddir), it helps BSD Make to match them with
4199 elsif ($relative_dir ne '.')
4201 $i = '$(top_builddir)/' . $i;
4206 msg ('error', $ac_config_files_location{$file},
4207 "required file `$i' not found")
4208 unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
4209 ($i) = prepend_srcdir ($i);
4210 push_dist_common ($i);
4219 # &handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
4220 # ------------------------------------------------------------------
4221 # Handle remaking and configure stuff.
4222 # We need the name of the input file, to do proper remaking rules.
4223 sub handle_configure ($$$@)
4225 my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
4227 prog_error 'empty @inputs'
4230 my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
4232 my $rel_makefile = basename $makefile;
4234 my $colon_infile = ':' . join (':', @inputs);
4235 $colon_infile = '' if $colon_infile eq ":$makefile.in";
4236 my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
4237 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
4238 define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
4239 @configure_deps, @aclocal_m4_deps,
4240 '$(top_srcdir)/' . $configure_ac);
4241 my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
4242 push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
4243 define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
4246 my $automake_options = '--' . (global_option 'cygnus' ? 'cygnus' : $strictness_name)
4247 . (global_option 'no-dependencies' ? ' --ignore-deps' : '');
4249 $output_rules .= file_contents
4251 new Automake::Location,
4252 MAKEFILE => $rel_makefile,
4253 'MAKEFILE-DEPS' => "@rewritten",
4254 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
4255 'MAKEFILE-IN' => $rel_makefile_in,
4256 'HAVE-MAKEFILE-IN-DEPS' => (@include_stack > 0),
4257 'MAKEFILE-IN-DEPS' => "@include_stack",
4258 'MAKEFILE-AM' => $rel_makefile_am,
4259 'AUTOMAKE-OPTIONS' => $automake_options,
4260 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
4261 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
4262 VERBOSE => verbose_flag ('GEN'));
4264 if ($relative_dir eq '.')
4266 &push_dist_common ('acconfig.h')
4270 # If we have a configure header, require it.
4272 my @distclean_config;
4273 foreach my $spec (@config_headers)
4276 # $CONFIG_H_PATH: config.h from top level.
4277 my ($config_h_path, @ins) = split_config_file_spec ($spec);
4278 my $config_h_dir = dirname ($config_h_path);
4280 # If the header is in the current directory we want to build
4281 # the header here. Otherwise, if we're at the topmost
4282 # directory and the header's directory doesn't have a
4283 # Makefile, then we also want to build the header.
4284 if ($relative_dir eq $config_h_dir
4285 || ($relative_dir eq '.' && ! &is_make_dir ($config_h_dir)))
4287 my ($cn_sans_dir, $stamp_dir);
4288 if ($relative_dir eq $config_h_dir)
4290 $cn_sans_dir = basename ($config_h_path);
4295 $cn_sans_dir = $config_h_path;
4296 if ($config_h_dir eq '.')
4302 $stamp_dir = $config_h_dir . '/';
4306 # This will also distribute all inputs.
4307 @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
4309 # Cannot define rebuild rules for filenames with shell variables.
4310 next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
4312 # Header defined in this directory.
4314 if (-f $config_h_path . '.top')
4316 push (@files, "$cn_sans_dir.top");
4318 if (-f $config_h_path . '.bot')
4320 push (@files, "$cn_sans_dir.bot");
4323 push_dist_common (@files);
4325 # For now, acconfig.h can only appear in the top srcdir.
4326 if (-f 'acconfig.h')
4328 push (@files, '$(top_srcdir)/acconfig.h');
4331 my $stamp = "${stamp_dir}stamp-h${hdr_index}";
4333 file_contents ('remake-hdr',
4334 new Automake::Location,
4336 CONFIG_H => $cn_sans_dir,
4337 CONFIG_HIN => $ins[0],
4338 CONFIG_H_DEPS => "@ins",
4339 CONFIG_H_PATH => $config_h_path,
4342 push @distclean_config, $cn_sans_dir, $stamp;
4346 $output_rules .= file_contents ('clean-hdr',
4347 new Automake::Location,
4348 FILES => "@distclean_config")
4349 if @distclean_config;
4351 # Distribute and define mkinstalldirs only if it is already present
4352 # in the package, for backward compatibility (some people may still
4353 # use $(mkinstalldirs)).
4354 my $mkidpath = "$config_aux_dir/mkinstalldirs";
4357 # Use require_file so that any existing script gets updated
4358 # by --force-missing.
4359 require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
4360 define_variable ('mkinstalldirs',
4361 "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
4365 # Use $(install_sh), not $(MKDIR_P) because the latter requires
4366 # at least one argument, and $(mkinstalldirs) used to work
4367 # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
4368 define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
4371 reject_var ('CONFIG_HEADER',
4372 "`CONFIG_HEADER' is an anachronism; now determined "
4373 . "automatically\nfrom `$configure_ac'");
4376 foreach my $spec (@config_headers)
4378 my ($out, @ins) = split_config_file_spec ($spec);
4379 # Generate CONFIG_HEADER define.
4380 if ($relative_dir eq dirname ($out))
4382 push @config_h, basename ($out);
4386 push @config_h, "\$(top_builddir)/$out";
4389 define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
4392 # Now look for other files in this directory which must be remade
4393 # by config.status, and generate rules for them.
4394 my @actual_other_files = ();
4395 # These get cleaned only in a VPATH build.
4396 my @actual_other_vpath_files = ();
4397 foreach my $lfile (@other_input_files)
4401 if ($lfile =~ /^([^:]*):(.*)$/)
4403 # This is the ":" syntax of AC_OUTPUT.
4405 @inputs = split (':', $2);
4411 @inputs = $file . '.in';
4414 # Automake files should not be stored in here, but in %MAKE_LIST.
4415 prog_error ("$lfile in \@other_input_files\n"
4416 . "\@other_input_files = (@other_input_files)")
4417 if -f $file . '.am';
4419 my $local = basename ($file);
4421 # We skip files that aren't in this directory. However, if
4422 # the file's directory does not have a Makefile, and we are
4423 # currently doing `.', then we create a rule to rebuild the
4424 # file in the subdir.
4425 my $fd = dirname ($file);
4426 if ($fd ne $relative_dir)
4428 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4438 my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
4440 # Cannot output rules for shell variables.
4441 next if (substitute_ac_subst_variables $local) =~ /\$/;
4444 my $cond = $ac_config_files_condition{$lfile};
4447 $condstr = $cond->subst_string;
4448 Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
4449 $ac_config_files_location{$file});
4451 $output_rules .= ($condstr . $local . ': '
4452 . '$(top_builddir)/config.status '
4453 . "@rewritten_inputs\n"
4455 . 'cd $(top_builddir) && '
4456 . '$(SHELL) ./config.status '
4457 . ($relative_dir eq '.' ? '' : '$(subdir)/')
4460 push (@actual_other_files, $local);
4463 # For links we should clean destinations and distribute sources.
4464 foreach my $spec (@config_links)
4466 my ($link, $file) = split /:/, $spec;
4467 # Some people do AC_CONFIG_LINKS($computed). We only handle
4468 # the DEST:SRC form.
4470 my $where = $ac_config_files_location{$link};
4472 # Skip destinations that contain shell variables.
4473 if ((substitute_ac_subst_variables $link) !~ /\$/)
4475 # We skip links that aren't in this directory. However, if
4476 # the link's directory does not have a Makefile, and we are
4477 # currently doing `.', then we add the link to CONFIG_CLEAN_FILES
4478 # in `.'s Makefile.in.
4479 my $local = basename ($link);
4480 my $fd = dirname ($link);
4481 if ($fd ne $relative_dir)
4483 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4494 push @actual_other_files, $local if $local;
4498 push @actual_other_vpath_files, $local if $local;
4502 # Do not process sources that contain shell variables.
4503 if ((substitute_ac_subst_variables $file) !~ /\$/)
4505 my $fd = dirname ($file);
4507 # We distribute files that are in this directory.
4508 # At the top-level (`.') we also distribute files whose
4509 # directory does not have a Makefile.
4510 if (($fd eq $relative_dir)
4511 || ($relative_dir eq '.' && ! &is_make_dir ($fd)))
4513 # The following will distribute $file as a side-effect when
4514 # it is appropriate (i.e., when $file is not already an output).
4515 # We do not need the result, just the side-effect.
4516 rewrite_inputs_into_dependencies ($link, $file);
4521 # These files get removed by "make distclean".
4522 define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
4523 @actual_other_files);
4524 define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
4525 @actual_other_vpath_files);
4531 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
4532 'oldinclude', 'pkginclude',
4536 next unless $_->[1] =~ /\..*$/;
4537 &saw_extension ($&);
4543 return if ! $seen_gettext || $relative_dir ne '.';
4545 my $subdirs = var 'SUBDIRS';
4549 err_ac "AM_GNU_GETTEXT used but SUBDIRS not defined";
4553 # Perform some sanity checks to help users get the right setup.
4554 # We disable these tests when po/ doesn't exist in order not to disallow
4555 # unusual gettext setups.
4560 # | 1) If a package doesn't have a directory po/ at top level, it
4561 # | will likely have multiple po/ directories in subpackages.
4563 # | 2) It is useful to warn for the absence of intl/ if AM_GNU_GETTEXT
4564 # | is used without 'external'. It is also useful to warn for the
4565 # | presence of intl/ if AM_GNU_GETTEXT([external]) is used. Both
4566 # | warnings apply only to the usual layout of packages, therefore
4567 # | they should both be disabled if no po/ directory is found at
4572 my @subdirs = $subdirs->value_as_list_recursive;
4574 msg_var ('syntax', $subdirs,
4575 "AM_GNU_GETTEXT used but `po' not in SUBDIRS")
4576 if ! grep ($_ eq 'po', @subdirs);
4578 # intl/ is not required when AM_GNU_GETTEXT is called with the
4579 # `external' option and AM_GNU_GETTEXT_INTL_SUBDIR is not called.
4580 msg_var ('syntax', $subdirs,
4581 "AM_GNU_GETTEXT used but `intl' not in SUBDIRS")
4582 if (! ($seen_gettext_external && ! $seen_gettext_intl)
4583 && ! grep ($_ eq 'intl', @subdirs));
4585 # intl/ should not be used with AM_GNU_GETTEXT([external]), except
4586 # if AM_GNU_GETTEXT_INTL_SUBDIR is called.
4587 msg_var ('syntax', $subdirs,
4588 "`intl' should not be in SUBDIRS when "
4589 . "AM_GNU_GETTEXT([external]) is used")
4590 if ($seen_gettext_external && ! $seen_gettext_intl
4591 && grep ($_ eq 'intl', @subdirs));
4594 require_file ($ac_gettext_location, GNU, 'ABOUT-NLS');
4597 # Handle footer elements.
4600 reject_rule ('.SUFFIXES',
4601 "use variable `SUFFIXES', not target `.SUFFIXES'");
4603 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
4604 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
4605 # anything else, by sticking it right after the default: target.
4606 $output_header .= ".SUFFIXES:\n";
4607 my $suffixes = var 'SUFFIXES';
4608 my @suffixes = Automake::Rule::suffixes;
4609 if (@suffixes || $suffixes)
4611 # Make sure SUFFIXES has unique elements. Sort them to ensure
4612 # the output remains consistent. However, $(SUFFIXES) is
4613 # always at the start of the list, unsorted. This is done
4614 # because make will choose rules depending on the ordering of
4615 # suffixes, and this lets the user have some control. Push
4616 # actual suffixes, and not $(SUFFIXES). Some versions of make
4617 # do not like variable substitutions on the .SUFFIXES line.
4618 my @user_suffixes = ($suffixes
4619 ? $suffixes->value_as_list_recursive : ());
4621 my %suffixes = map { $_ => 1 } @suffixes;
4622 delete @suffixes{@user_suffixes};
4624 $output_header .= (".SUFFIXES: "
4625 . join (' ', @user_suffixes, sort keys %suffixes)
4629 $output_trailer .= file_contents ('footer', new Automake::Location);
4633 # Generate `make install' rules.
4634 sub handle_install ()
4636 $output_rules .= &file_contents
4638 new Automake::Location,
4639 maybe_BUILT_SOURCES => (set_seen ('BUILT_SOURCES')
4640 ? (" \$(BUILT_SOURCES)\n"
4641 . "\t\$(MAKE) \$(AM_MAKEFLAGS)")
4643 'installdirs-local' => (user_phony_rule 'installdirs-local'
4644 ? ' installdirs-local' : ''),
4645 am__installdirs => variable_value ('am__installdirs') || '');
4649 # Deal with all and all-am.
4652 my ($makefile) = @_;
4656 # Put this at the beginning for the sake of non-GNU makes. This
4657 # is still wrong if these makes can run parallel jobs. But it is
4659 unshift (@all, basename ($makefile));
4661 foreach my $spec (@config_headers)
4663 my ($out, @ins) = split_config_file_spec ($spec);
4664 push (@all, basename ($out))
4665 if dirname ($out) eq $relative_dir;
4668 # Install `all' hooks.
4669 push (@all, "all-local")
4670 if user_phony_rule "all-local";
4672 &pretty_print_rule ("all-am:", "\t\t", @all);
4673 &depend ('.PHONY', 'all-am', 'all');
4678 my @local_headers = ();
4679 push @local_headers, '$(BUILT_SOURCES)'
4680 if var ('BUILT_SOURCES');
4681 foreach my $spec (@config_headers)
4683 my ($out, @ins) = split_config_file_spec ($spec);
4684 push @local_headers, basename ($out)
4685 if dirname ($out) eq $relative_dir;
4690 # We need to make sure config.h is built before we recurse.
4691 # We also want to make sure that built sources are built
4692 # before any ordinary `all' targets are run. We can't do this
4693 # by changing the order of dependencies to the "all" because
4694 # that breaks when using parallel makes. Instead we handle
4695 # things explicitly.
4696 $output_all .= ("all: @local_headers"
4698 . '$(MAKE) $(AM_MAKEFLAGS) '
4699 . (var ('SUBDIRS') ? 'all-recursive' : 'all-am')
4701 depend ('.MAKE', 'all');
4705 $output_all .= "all: " . (var ('SUBDIRS')
4706 ? 'all-recursive' : 'all-am') . "\n\n";
4711 # &do_check_merge_target ()
4712 # -------------------------
4713 # Handle check merge target specially.
4714 sub do_check_merge_target ()
4716 # Include user-defined local form of target.
4717 push @check_tests, 'check-local'
4718 if user_phony_rule 'check-local';
4720 # In --cygnus mode, check doesn't depend on all.
4721 if (option 'cygnus')
4723 # Just run the local check rules.
4724 pretty_print_rule ('check-am:', "\t\t", @check);
4728 # The check target must depend on the local equivalent of
4729 # `all', to ensure all the primary targets are built. Then it
4730 # must build the local check rules.
4731 $output_rules .= "check-am: all-am\n";
4734 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4736 depend ('.MAKE', 'check-am');
4741 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4743 depend ('.MAKE', 'check-am');
4746 depend '.PHONY', 'check', 'check-am';
4747 # Handle recursion. We have to honor BUILT_SOURCES like for `all:'.
4748 $output_rules .= ("check: "
4749 . (var ('BUILT_SOURCES')
4750 ? "\$(BUILT_SOURCES)\n\t\$(MAKE) \$(AM_MAKEFLAGS) "
4752 . (var ('SUBDIRS') ? 'check-recursive' : 'check-am')
4754 depend ('.MAKE', 'check')
4755 if var ('BUILT_SOURCES');
4758 # handle_clean ($MAKEFILE)
4759 # ------------------------
4760 # Handle all 'clean' targets.
4761 sub handle_clean ($)
4763 my ($makefile) = @_;
4765 # Clean the files listed in user variables if they exist.
4766 $clean_files{'$(MOSTLYCLEANFILES)'} = MOSTLY_CLEAN
4767 if var ('MOSTLYCLEANFILES');
4768 $clean_files{'$(CLEANFILES)'} = CLEAN
4769 if var ('CLEANFILES');
4770 $clean_files{'$(DISTCLEANFILES)'} = DIST_CLEAN
4771 if var ('DISTCLEANFILES');
4772 $clean_files{'$(MAINTAINERCLEANFILES)'} = MAINTAINER_CLEAN
4773 if var ('MAINTAINERCLEANFILES');
4775 # Built sources are automatically removed by maintainer-clean.
4776 $clean_files{'$(BUILT_SOURCES)'} = MAINTAINER_CLEAN
4777 if var ('BUILT_SOURCES');
4779 # Compute a list of "rm"s to run for each target.
4780 my %rms = (MOSTLY_CLEAN, [],
4783 MAINTAINER_CLEAN, []);
4785 foreach my $file (keys %clean_files)
4787 my $when = $clean_files{$file};
4788 prog_error 'invalid entry in %clean_files'
4789 unless exists $rms{$when};
4791 my $rm = "rm -f $file";
4792 # If file is a variable, make sure when don't call `rm -f' without args.
4793 $rm ="test -z \"$file\" || $rm"
4794 if ($file =~ /^\s*\$(\(.*\)|\{.*\})\s*$/);
4796 push @{$rms{$when}}, "\t-$rm\n";
4799 $output_rules .= &file_contents
4801 new Automake::Location,
4802 MOSTLYCLEAN_RMS => join ('', sort @{$rms{&MOSTLY_CLEAN}}),
4803 CLEAN_RMS => join ('', sort @{$rms{&CLEAN}}),
4804 DISTCLEAN_RMS => join ('', sort @{$rms{&DIST_CLEAN}}),
4805 MAINTAINER_CLEAN_RMS => join ('', sort @{$rms{&MAINTAINER_CLEAN}}),
4806 MAKEFILE => basename $makefile,
4811 # &target_cmp ($A, $B)
4812 # --------------------
4813 # Subroutine for &handle_factored_dependencies to let `.PHONY' and
4814 # other `.TARGETS' be last.
4817 return 0 if $a eq $b;
4819 my $a1 = substr ($a, 0, 1);
4820 my $b1 = substr ($b, 0, 1);
4823 return -1 if $b1 eq '.';
4824 return 1 if $a1 eq '.';
4830 # &handle_factored_dependencies ()
4831 # --------------------------------
4832 # Handle everything related to gathered targets.
4833 sub handle_factored_dependencies
4836 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
4837 'uninstall-exec-local', 'uninstall-exec-hook',
4838 'uninstall-dvi-local',
4839 'uninstall-html-local',
4840 'uninstall-info-local',
4841 'uninstall-pdf-local',
4842 'uninstall-ps-local')
4846 reject_rule ($utarg, "use `$x', not `$utarg'");
4849 reject_rule ('install-local',
4850 "use `install-data-local' or `install-exec-local', "
4851 . "not `install-local'");
4853 reject_rule ('install-hook',
4854 "use `install-data-hook' or `install-exec-hook', "
4855 . "not `install-hook'");
4857 # Install the -local hooks.
4858 foreach (keys %dependencies)
4860 # Hooks are installed on the -am targets.
4862 depend ("$_-am", "$_-local")
4863 if user_phony_rule "$_-local";
4866 # Install the -hook hooks.
4867 # FIXME: Why not be as liberal as we are with -local hooks?
4868 foreach ('install-exec', 'install-data', 'uninstall')
4870 if (user_phony_rule "$_-hook")
4872 depend ('.MAKE', "$_-am");
4873 register_action("$_-am",
4874 ("\t\@\$(NORMAL_INSTALL)\n"
4875 . "\t\$(MAKE) \$(AM_MAKEFLAGS) $_-hook"));
4879 # All the required targets are phony.
4880 depend ('.PHONY', keys %required_targets);
4882 # Actually output gathered targets.
4883 foreach (sort target_cmp keys %dependencies)
4885 # If there is nothing about this guy, skip it.
4887 unless (@{$dependencies{$_}}
4889 || $required_targets{$_});
4891 # Define gathered targets in undefined conditions.
4892 # FIXME: Right now we must handle .PHONY as an exception,
4893 # because people write things like
4894 # .PHONY: myphonytarget
4895 # to append dependencies. This would not work if Automake
4896 # refrained from defining its own .PHONY target as it does
4897 # with other overridden targets.
4898 # Likewise for `.MAKE'.
4899 my @undefined_conds = (TRUE,);
4900 if ($_ ne '.PHONY' && $_ ne '.MAKE')
4903 Automake::Rule::define ($_, 'internal',
4904 RULE_AUTOMAKE, TRUE, INTERNAL);
4906 my @uniq_deps = uniq (sort @{$dependencies{$_}});
4907 foreach my $cond (@undefined_conds)
4909 my $condstr = $cond->subst_string;
4910 &pretty_print_rule ("$condstr$_:", "$condstr\t", @uniq_deps);
4911 $output_rules .= $actions{$_} if defined $actions{$_};
4912 $output_rules .= "\n";
4918 # &handle_tests_dejagnu ()
4919 # ------------------------
4920 sub handle_tests_dejagnu
4922 push (@check_tests, 'check-DEJAGNU');
4923 $output_rules .= file_contents ('dejagnu', new Automake::Location);
4926 # is_valid_test_extension ($EXT)
4927 # ------------------------------
4928 # Return true if $EXT can appear in $(TEST_EXTENSIONS), return false
4930 sub is_valid_test_extension ($)
4934 if ($ext =~ /^\.[a-zA-Z_][a-zA-Z0-9_]*$/);
4936 if (exists $configure_vars{'EXEEXT'} && $ext eq subst ('EXEEXT'));
4940 # Handle TESTS variable and other checks.
4943 if (option 'dejagnu')
4945 &handle_tests_dejagnu;
4949 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4951 reject_var ($c, "`$c' defined but `dejagnu' not in "
4952 . "`AUTOMAKE_OPTIONS'");
4958 push (@check_tests, 'check-TESTS');
4959 my $check_deps = "@check";
4960 $output_rules .= &file_contents ('check', new Automake::Location,
4961 COLOR => !! option 'color-tests',
4962 PARALLEL_TESTS => !! option 'parallel-tests',
4963 CHECK_DEPS => $check_deps);
4965 # Tests that are known programs should have $(EXEEXT) appended.
4966 # For matching purposes, we need to adjust XFAIL_TESTS as well.
4967 append_exeext { exists $known_programs{$_[0]} } 'TESTS';
4968 append_exeext { exists $known_programs{$_[0]} } 'XFAIL_TESTS'
4969 if (var ('XFAIL_TESTS'));
4971 if (option 'parallel-tests')
4973 define_variable ('TEST_SUITE_LOG', 'test-suite.log', INTERNAL);
4976 my $handle_exeext = exists $configure_vars{'EXEEXT'};
4979 $at_exeext = subst ('EXEEXT');
4980 $suff = $at_exeext . ' ' . $suff;
4982 if (! var 'TEST_EXTENSIONS')
4984 define_variable ('TEST_EXTENSIONS', $suff, INTERNAL);
4986 my $var = var 'TEST_EXTENSIONS';
4987 # Currently, we are not able to deal with conditional contents
4988 # in TEST_EXTENSIONS.
4989 if ($var->has_conditional_contents)
4991 msg_var 'unsupported', $var,
4992 "`TEST_EXTENSIONS' cannot have conditional contents";
4994 my @test_suffixes = $var->value_as_list_recursive;
4995 if ((my @invalid_test_suffixes =
4996 grep { !is_valid_test_extension $_ } @test_suffixes) > 0)
4998 error $var->rdef (TRUE)->location,
4999 "invalid test extensions: @invalid_test_suffixes";
5001 @test_suffixes = grep { is_valid_test_extension $_ } @test_suffixes;
5004 unshift (@test_suffixes, $at_exeext)
5005 unless $test_suffixes[0] eq $at_exeext;
5007 unshift (@test_suffixes, '');
5009 transform_variable_recursively
5010 ('TESTS', 'TEST_LOGS', 'am__testlogs', 1, INTERNAL,
5012 my ($subvar, $val, $cond, $full_cond) = @_;
5015 if $val =~ /^\@.*\@$/;
5016 $obj =~ s/\$\(EXEEXT\)$//o;
5018 if ($val =~ /(\$\((top_)?srcdir\))\//o)
5020 msg ('error', $subvar->rdef ($cond)->location,
5021 "parallel-tests: using `$1' in TESTS is currently broken: `$val'");
5024 foreach my $test_suffix (@test_suffixes)
5027 if $test_suffix eq $at_exeext || $test_suffix eq '';
5028 return substr ($obj, 0, length ($obj) - length ($test_suffix)) . '.log'
5029 if substr ($obj, - length ($test_suffix)) eq $test_suffix;
5032 my $compile = 'LOG_COMPILE';
5033 define_variable ($compile,
5034 '$(LOG_COMPILER) $(AM_LOG_FLAGS) $(LOG_FLAGS)', INTERNAL);
5035 $output_rules .= file_contents ('check2', new Automake::Location,
5039 COMPILE =>'$(' . $compile . ')',
5041 am__EXEEXT => 'FALSE');
5048 my $last_suffix = $test_suffixes[$#test_suffixes];
5050 foreach my $test_suffix (@test_suffixes)
5052 if ($test_suffix eq $last_suffix)
5058 $cur = 'am__test_logs' . $nhelper;
5060 define_variable ($cur,
5061 '$(' . $prev . ':' . $test_suffix . $post . '=.log)', INTERNAL);
5065 if ($test_suffix ne $at_exeext && $test_suffix ne '')
5067 (my $ext = $test_suffix) =~ s/^\.//;
5069 my $compile = $ext . '_LOG_COMPILE';
5070 define_variable ($compile,
5071 '$(' . $ext . '_LOG_COMPILER) $(AM_' . $ext . '_LOG_FLAGS)'
5072 . ' $(' . $ext . '_LOG_FLAGS)', INTERNAL);
5073 my $am_exeext = $handle_exeext ? 'am__EXEEXT' : 'FALSE';
5074 $output_rules .= file_contents ('check2', new Automake::Location,
5078 COMPILE => '$(' . $compile . ')',
5079 EXT => $test_suffix,
5080 am__EXEEXT => $am_exeext);
5084 define_variable ('TEST_LOGS_TMP', '$(TEST_LOGS:.log=.log-t)', INTERNAL);
5086 $clean_files{'$(TEST_LOGS_TMP)'} = MOSTLY_CLEAN;
5087 $clean_files{'$(TEST_LOGS)'} = MOSTLY_CLEAN;
5088 $clean_files{'$(TEST_SUITE_LOG)'} = MOSTLY_CLEAN;
5093 # Handle Emacs Lisp.
5094 sub handle_emacs_lisp
5096 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
5099 return if ! @elfiles;
5101 define_pretty_variable ('am__ELFILES', TRUE, INTERNAL,
5102 map { $_->[1] } @elfiles);
5103 define_pretty_variable ('am__ELCFILES', TRUE, INTERNAL,
5104 '$(am__ELFILES:.el=.elc)');
5105 # This one can be overridden by users.
5106 define_pretty_variable ('ELCFILES', TRUE, INTERNAL, '$(LISP:.el=.elc)');
5108 push @all, '$(ELCFILES)';
5110 require_variables ($elfiles[0][0], "Emacs Lisp sources seen", TRUE,
5111 'EMACS', 'lispdir');
5112 require_conf_file ($elfiles[0][0], FOREIGN, 'elisp-comp');
5113 &define_variable ('elisp_comp', "$am_config_aux_dir/elisp-comp", INTERNAL);
5119 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
5121 return if ! @pyfiles;
5123 require_variables ($pyfiles[0][0], "Python sources seen", TRUE, 'PYTHON');
5124 require_conf_file ($pyfiles[0][0], FOREIGN, 'py-compile');
5125 &define_variable ('py_compile', "$am_config_aux_dir/py-compile", INTERNAL);
5131 my @sourcelist = &am_install_var ('-candist',
5134 return if ! @sourcelist;
5136 my @prefixes = am_primary_prefixes ('JAVA', 1,
5140 my @java_sources = ();
5141 foreach my $prefix (@prefixes)
5143 (my $curs = $prefix) =~ s/^(?:nobase_)?(?:dist_|nodist_)?//;
5146 if $curs eq 'EXTRA';
5148 push @java_sources, '$(' . $prefix . '_JAVA' . ')';
5152 err_var "${curs}_JAVA", "multiple _JAVA primaries in use"
5153 unless $curs eq $dir;
5159 define_pretty_variable ('am__java_sources', TRUE, INTERNAL,
5162 if ($dir eq 'check')
5164 push (@check, "class$dir.stamp");
5168 push (@all, "class$dir.stamp");
5173 # Handle some of the minor options.
5174 sub handle_minor_options
5176 if (option 'readme-alpha')
5178 if ($relative_dir eq '.')
5180 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
5182 msg ('error-gnits', $package_version_location,
5183 "version `$package_version' doesn't follow " .
5186 if (defined $1 && -f 'README-alpha')
5188 # This means we have an alpha release. See
5189 # GNITS_VERSION_PATTERN for details.
5190 push_dist_common ('README-alpha');
5196 ################################################################
5198 # ($OUTPUT, @INPUTS)
5199 # &split_config_file_spec ($SPEC)
5200 # -------------------------------
5201 # Decode the Autoconf syntax for config files (files, headers, links
5203 sub split_config_file_spec ($)
5206 my ($output, @inputs) = split (/:/, $spec);
5208 push @inputs, "$output.in"
5211 return ($output, @inputs);
5215 # locate_am (@POSSIBLE_SOURCES)
5216 # -----------------------------
5217 # AC_CONFIG_FILES allow specifications such as Makefile:top.in:mid.in:bot.in
5218 # This functions returns the first *.in file for which a *.am exists.
5219 # It returns undef otherwise.
5224 foreach my $file (@rest)
5226 if (($file =~ /^(.*)\.in$/) && -f "$1.am")
5237 # &scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
5238 # ---------------------------------------------------
5239 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
5241 sub scan_autoconf_config_files ($$)
5243 my ($where, $config_files) = @_;
5245 # Look at potential Makefile.am's.
5246 foreach (split ' ', $config_files)
5248 # Must skip empty string for Perl 4.
5249 next if $_ eq "\\" || $_ eq '';
5251 # Handle $local:$input syntax.
5252 my ($local, @rest) = split (/:/);
5253 @rest = ("$local.in",) unless @rest;
5254 # Keep in sync with 'conffile-leading-dot.test'.
5255 msg ('unsupported', $where,
5256 "omit leading './' from config file names such as '$local';"
5257 . "\nremake rules might be subtly broken otherwise")
5258 if ($local =~ /^\.\//);
5259 my $input = locate_am @rest;
5262 # We have a file that automake should generate.
5263 $make_list{$input} = join (':', ($local, @rest));
5267 # We have a file that automake should cause to be
5268 # rebuilt, but shouldn't generate itself.
5269 push (@other_input_files, $_);
5271 $ac_config_files_location{$local} = $where;
5272 $ac_config_files_condition{$local} =
5273 new Automake::Condition (@cond_stack)
5279 # &scan_autoconf_traces ($FILENAME)
5280 # ---------------------------------
5281 sub scan_autoconf_traces ($)
5283 my ($filename) = @_;
5285 # Macros to trace, with their minimal number of arguments.
5287 # IMPORTANT: If you add a macro here, you should also add this macro
5288 # ========= to Automake-preselection in autoconf/lib/autom4te.in.
5290 AC_CANONICAL_BUILD => 0,
5291 AC_CANONICAL_HOST => 0,
5292 AC_CANONICAL_TARGET => 0,
5293 AC_CONFIG_AUX_DIR => 1,
5294 AC_CONFIG_FILES => 1,
5295 AC_CONFIG_HEADERS => 1,
5296 AC_CONFIG_LIBOBJ_DIR => 1,
5297 AC_CONFIG_LINKS => 1,
5301 AC_REQUIRE_AUX_FILE => 1,
5302 AC_SUBST_TRACE => 1,
5303 AM_AUTOMAKE_VERSION => 1,
5304 AM_CONDITIONAL => 2,
5305 AM_ENABLE_MULTILIB => 0,
5306 AM_GNU_GETTEXT => 0,
5307 AM_GNU_GETTEXT_INTL_SUBDIR => 0,
5308 AM_INIT_AUTOMAKE => 0,
5309 AM_MAINTAINER_MODE => 0,
5310 AM_PROG_CC_C_O => 0,
5311 AM_SILENT_RULES => 0,
5312 _AM_SUBST_NOTMAKE => 1,
5315 _AM_COND_ENDIF => 1,
5316 LT_SUPPORTED_TAG => 1,
5317 _LT_AC_TAGCONFIG => 0,
5323 my $traces = ($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ";
5325 # Use a separator unlikely to be used, not `:', the default, which
5326 # has a precise meaning for AC_CONFIG_FILES and so on.
5327 $traces .= join (' ',
5328 map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
5331 my $tracefh = new Automake::XFile ("$traces $filename |");
5332 verb "reading $traces";
5337 while ($_ = $tracefh->getline)
5340 my ($here, $depth, @args) = split (/::/);
5341 $where = new Automake::Location $here;
5342 my $macro = $args[0];
5344 prog_error ("unrequested trace `$macro'")
5345 unless exists $traced{$macro};
5347 # Skip and diagnose malformed calls.
5348 if ($#args < $traced{$macro})
5350 msg ('syntax', $where, "not enough arguments for $macro");
5354 # Alphabetical ordering please.
5355 if ($macro eq 'AC_CANONICAL_BUILD')
5357 if ($seen_canonical <= AC_CANONICAL_BUILD)
5359 $seen_canonical = AC_CANONICAL_BUILD;
5360 $canonical_location = $where;
5363 elsif ($macro eq 'AC_CANONICAL_HOST')
5365 if ($seen_canonical <= AC_CANONICAL_HOST)
5367 $seen_canonical = AC_CANONICAL_HOST;
5368 $canonical_location = $where;
5371 elsif ($macro eq 'AC_CANONICAL_TARGET')
5373 $seen_canonical = AC_CANONICAL_TARGET;
5374 $canonical_location = $where;
5376 elsif ($macro eq 'AC_CONFIG_AUX_DIR')
5378 if ($seen_init_automake)
5380 error ($where, "AC_CONFIG_AUX_DIR must be called before "
5381 . "AM_INIT_AUTOMAKE...", partial => 1);
5382 error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
5384 $config_aux_dir = $args[1];
5385 $config_aux_dir_set_in_configure_ac = 1;
5386 $relative_dir = '.';
5387 check_directory ($config_aux_dir, $where);
5389 elsif ($macro eq 'AC_CONFIG_FILES')
5391 # Look at potential Makefile.am's.
5392 scan_autoconf_config_files ($where, $args[1]);
5394 elsif ($macro eq 'AC_CONFIG_HEADERS')
5396 foreach my $spec (split (' ', $args[1]))
5398 my ($dest, @src) = split (':', $spec);
5399 $ac_config_files_location{$dest} = $where;
5400 push @config_headers, $spec;
5403 elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
5405 $config_libobj_dir = $args[1];
5406 $relative_dir = '.';
5407 check_directory ($config_libobj_dir, $where);
5409 elsif ($macro eq 'AC_CONFIG_LINKS')
5411 foreach my $spec (split (' ', $args[1]))
5413 my ($dest, $src) = split (':', $spec);
5414 $ac_config_files_location{$dest} = $where;
5415 push @config_links, $spec;
5418 elsif ($macro eq 'AC_FC_SRCEXT')
5420 my $suffix = $args[1];
5421 # These flags are used as %SOURCEFLAG% in depend2.am,
5422 # where the trailing space is important.
5423 $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
5424 if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
5426 elsif ($macro eq 'AC_INIT')
5428 if (defined $args[2])
5430 $package_version = $args[2];
5431 $package_version_location = $where;
5434 elsif ($macro eq 'AC_LIBSOURCE')
5436 $libsources{$args[1]} = $here;
5438 elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
5440 # Only remember the first time a file is required.
5441 $required_aux_file{$args[1]} = $where
5442 unless exists $required_aux_file{$args[1]};
5444 elsif ($macro eq 'AC_SUBST_TRACE')
5446 # Just check for alphanumeric in AC_SUBST_TRACE. If you do
5447 # AC_SUBST(5), then too bad.
5448 $configure_vars{$args[1]} = $where
5449 if $args[1] =~ /^\w+$/;
5451 elsif ($macro eq 'AM_AUTOMAKE_VERSION')
5454 "version mismatch. This is Automake $VERSION,\n" .
5455 "but the definition used by this AM_INIT_AUTOMAKE\n" .
5456 "comes from Automake $args[1]. You should recreate\n" .
5457 "aclocal.m4 with aclocal and run automake again.\n",
5458 # $? = 63 is used to indicate version mismatch to missing.
5460 if $VERSION ne $args[1];
5462 $seen_automake_version = 1;
5464 elsif ($macro eq 'AM_CONDITIONAL')
5466 $configure_cond{$args[1]} = $where;
5468 elsif ($macro eq 'AM_ENABLE_MULTILIB')
5470 $seen_multilib = $where;
5472 elsif ($macro eq 'AM_GNU_GETTEXT')
5474 $seen_gettext = $where;
5475 $ac_gettext_location = $where;
5476 $seen_gettext_external = grep ($_ eq 'external', @args);
5478 elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
5480 $seen_gettext_intl = $where;
5482 elsif ($macro eq 'AM_INIT_AUTOMAKE')
5484 $seen_init_automake = $where;
5485 if (defined $args[2])
5487 $package_version = $args[2];
5488 $package_version_location = $where;
5490 elsif (defined $args[1])
5493 if (process_global_option_list ($where,
5494 split (' ', $args[1])));
5497 elsif ($macro eq 'AM_MAINTAINER_MODE')
5499 $seen_maint_mode = $where;
5501 elsif ($macro eq 'AM_PROG_CC_C_O')
5503 $seen_cc_c_o = $where;
5505 elsif ($macro eq 'AM_SILENT_RULES')
5507 set_global_option ('silent-rules', $where);
5509 elsif ($macro eq '_AM_COND_IF')
5511 cond_stack_if ('', $args[1], $where);
5512 error ($where, "missing m4 quoting, macro depth $depth")
5515 elsif ($macro eq '_AM_COND_ELSE')
5517 cond_stack_else ('!', $args[1], $where);
5518 error ($where, "missing m4 quoting, macro depth $depth")
5521 elsif ($macro eq '_AM_COND_ENDIF')
5523 cond_stack_endif (undef, undef, $where);
5524 error ($where, "missing m4 quoting, macro depth $depth")
5527 elsif ($macro eq '_AM_SUBST_NOTMAKE')
5529 $ignored_configure_vars{$args[1]} = $where;
5531 elsif ($macro eq 'm4_include'
5532 || $macro eq 'm4_sinclude'
5533 || $macro eq 'sinclude')
5535 # Skip missing `sinclude'd files.
5536 next if $macro ne 'm4_include' && ! -f $args[1];
5538 # Some modified versions of Autoconf don't use
5539 # frozen files. Consequently it's possible that we see all
5540 # m4_include's performed during Autoconf's startup.
5541 # Obviously we don't want to distribute Autoconf's files
5542 # so we skip absolute filenames here.
5543 push @configure_deps, '$(top_srcdir)/' . $args[1]
5544 unless $here =~ m,^(?:\w:)?[\\/],;
5545 # Keep track of the greatest timestamp.
5548 my $mtime = mtime $args[1];
5549 $configure_deps_greatest_timestamp = $mtime
5550 if $mtime > $configure_deps_greatest_timestamp;
5553 elsif ($macro eq 'LT_SUPPORTED_TAG')
5555 $libtool_tags{$args[1]} = 1;
5556 $libtool_new_api = 1;
5558 elsif ($macro eq '_LT_AC_TAGCONFIG')
5560 # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
5561 # We use it to detect whether tags are supported. Our
5562 # preferred interface is LT_SUPPORTED_TAG, but it was
5563 # introduced in Libtool 1.6.
5564 if (0 == keys %libtool_tags)
5566 # Hardcode the tags supported by Libtool 1.5.
5567 %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
5572 error ($where, "condition stack not properly closed")
5579 # &scan_autoconf_files ()
5580 # -----------------------
5581 # Check whether we use `configure.ac' or `configure.in'.
5582 # Scan it (and possibly `aclocal.m4') for interesting things.
5583 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
5584 sub scan_autoconf_files ()
5586 # Reinitialize libsources here. This isn't really necessary,
5587 # since we currently assume there is only one configure.ac. But
5588 # that won't always be the case.
5591 # Keep track of the youngest configure dependency.
5592 $configure_deps_greatest_timestamp = mtime $configure_ac;
5593 if (-e 'aclocal.m4')
5595 my $mtime = mtime 'aclocal.m4';
5596 $configure_deps_greatest_timestamp = $mtime
5597 if $mtime > $configure_deps_greatest_timestamp;
5600 scan_autoconf_traces ($configure_ac);
5602 @configure_input_files = sort keys %make_list;
5603 # Set input and output files if not specified by user.
5606 @input_files = @configure_input_files;
5607 %output_files = %make_list;
5611 if (! $seen_init_automake)
5613 err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
5614 . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
5615 . "\nthat aclocal.m4 is present in the top-level directory,\n"
5616 . "and that aclocal.m4 was recently regenerated "
5617 . "(using aclocal).");
5621 if (! $seen_automake_version)
5623 if (-f 'aclocal.m4')
5625 error ($seen_init_automake,
5626 "your implementation of AM_INIT_AUTOMAKE comes from " .
5627 "an\nold Automake version. You should recreate " .
5628 "aclocal.m4\nwith aclocal and run automake again.\n",
5629 # $? = 63 is used to indicate version mismatch to missing.
5634 error ($seen_init_automake,
5635 "no proper implementation of AM_INIT_AUTOMAKE was " .
5636 "found,\nprobably because aclocal.m4 is missing...\n" .
5637 "You should run aclocal to create this file, then\n" .
5638 "run automake again.\n");
5645 # Reorder @input_files so that the Makefile that distributes aux
5646 # files is processed last. This is important because each directory
5647 # can require auxiliary scripts and we should wait until they have
5648 # been installed before distributing them.
5650 # The Makefile.in that distribute the aux files is the one in
5651 # $config_aux_dir or the top-level Makefile.
5652 my $auxdirdist = is_make_dir ($config_aux_dir) ? $config_aux_dir : '.';
5653 my @new_input_files = ();
5654 while (@input_files)
5656 my $in = pop @input_files;
5657 my @ins = split (/:/, $output_files{$in});
5658 if (dirname ($ins[0]) eq $auxdirdist)
5660 push @new_input_files, $in;
5661 $automake_will_process_aux_dir = 1;
5665 unshift @new_input_files, $in;
5668 @input_files = @new_input_files;
5670 # If neither the auxdir/Makefile nor the ./Makefile are generated
5671 # by Automake, we won't distribute the aux files anyway. Assume
5672 # the user know what (s)he does, and pretend we will distribute
5673 # them to disable the error in require_file_internal.
5674 $automake_will_process_aux_dir = 1 if ! is_make_dir ($auxdirdist);
5676 # Look for some files we need. Always check for these. This
5677 # check must be done for every run, even those where we are only
5678 # looking at a subdir Makefile. We must set relative_dir for
5679 # maybe_push_required_file to work.
5680 # Sort the files for stable verbose output.
5681 $relative_dir = '.';
5682 foreach my $file (sort keys %required_aux_file)
5684 require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
5686 err_am "`install.sh' is an anachronism; use `install-sh' instead"
5687 if -f $config_aux_dir . '/install.sh';
5689 # Preserve dist_common for later.
5690 $configure_dist_common = variable_value ('DIST_COMMON') || '';
5694 ################################################################
5696 # Set up for Cygnus mode.
5699 my $cygnus = option 'cygnus';
5700 return unless $cygnus;
5702 set_strictness ('foreign');
5703 set_option ('no-installinfo', $cygnus);
5704 set_option ('no-dependencies', $cygnus);
5705 set_option ('no-dist', $cygnus);
5707 err_ac "`AM_MAINTAINER_MODE' required when --cygnus specified"
5708 if !$seen_maint_mode;
5711 # Do any extra checking for GNU standards.
5712 sub check_gnu_standards
5714 if ($relative_dir eq '.')
5716 # In top level (or only) directory.
5717 require_file ("$am_file.am", GNU,
5718 qw/INSTALL NEWS README AUTHORS ChangeLog/);
5720 # Accept one of these three licenses; default to COPYING.
5721 # Make sure we do not overwrite an existing license.
5723 foreach (qw /COPYING COPYING.LIB COPYING.LESSER/)
5731 require_file ("$am_file.am", GNU, 'COPYING')
5735 for my $opt ('no-installman', 'no-installinfo')
5737 msg ('error-gnu', option $opt,
5738 "option `$opt' disallowed by GNU standards")
5743 # Do any extra checking for GNITS standards.
5744 sub check_gnits_standards
5746 if ($relative_dir eq '.')
5748 # In top level (or only) directory.
5749 require_file ("$am_file.am", GNITS, 'THANKS');
5753 ################################################################
5755 # Functions to handle files of each language.
5757 # Each `lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
5758 # simple formula: Return value is LANG_SUBDIR if the resulting object
5759 # file should be in a subdir if the source file is, LANG_PROCESS if
5760 # file is to be dealt with, LANG_IGNORE otherwise.
5762 # Much of the actual processing is handled in
5763 # handle_single_transform. These functions exist so that
5764 # auxiliary information can be recorded for a later cleanup pass.
5765 # Note that the calls to these functions are computed, so don't bother
5766 # searching for their precise names in the source.
5768 # This is just a convenience function that can be used to determine
5769 # when a subdir object should be used.
5772 return option 'subdir-objects' ? LANG_SUBDIR : LANG_PROCESS;
5775 # Rewrite a single C source file.
5778 my ($directory, $base, $ext, $nonansi_obj, $have_per_exec_flags, $var) = @_;
5780 if (option 'ansi2knr' && $base =~ /_$/)
5782 # FIXME: include line number in error.
5783 err_am "C source file `$base.c' would be deleted by ansi2knr rules";
5786 my $r = LANG_PROCESS;
5787 if (option 'subdir-objects')
5790 if ($directory && $directory ne '.')
5792 $base = $directory . '/' . $base;
5794 # libtool is always able to put the object at the proper place,
5795 # so we do not have to require AM_PROG_CC_C_O when building .lo files.
5796 msg_var ('portability', $var,
5797 "compiling `$base.c' in subdir requires "
5798 . "`AM_PROG_CC_C_O' in `$configure_ac'",
5799 uniq_scope => US_GLOBAL,
5800 uniq_part => 'AM_PROG_CC_C_O subdir')
5801 unless $seen_cc_c_o || $nonansi_obj eq '.lo';
5804 # In this case we already have the directory information, so
5805 # don't add it again.
5806 $de_ansi_files{$base} = '';
5810 $de_ansi_files{$base} = (($directory eq '.' || $directory eq '')
5816 && $have_per_exec_flags
5817 && ! option 'subdir-objects'
5818 && $nonansi_obj ne '.lo')
5820 msg_var ('portability',
5821 $var, "compiling `$base.c' with per-target flags requires "
5822 . "`AM_PROG_CC_C_O' in `$configure_ac'",
5823 uniq_scope => US_GLOBAL,
5824 uniq_part => 'AM_PROG_CC_C_O per-target')
5830 # Rewrite a single C++ source file.
5831 sub lang_cxx_rewrite
5833 return &lang_sub_obj;
5836 # Rewrite a single header file.
5837 sub lang_header_rewrite
5839 # Header files are simply ignored.
5843 # Rewrite a single Vala source file.
5844 sub lang_vala_rewrite
5846 my ($directory, $base, $ext) = @_;
5848 (my $newext = $ext) =~ s/vala$/c/;
5849 return (LANG_SUBDIR, $newext);
5852 # Rewrite a single yacc file.
5853 sub lang_yacc_rewrite
5855 my ($directory, $base, $ext) = @_;
5857 my $r = &lang_sub_obj;
5858 (my $newext = $ext) =~ tr/y/c/;
5859 return ($r, $newext);
5862 # Rewrite a single yacc++ file.
5863 sub lang_yaccxx_rewrite
5865 my ($directory, $base, $ext) = @_;
5867 my $r = &lang_sub_obj;
5868 (my $newext = $ext) =~ tr/y/c/;
5869 return ($r, $newext);
5872 # Rewrite a single lex file.
5873 sub lang_lex_rewrite
5875 my ($directory, $base, $ext) = @_;
5877 my $r = &lang_sub_obj;
5878 (my $newext = $ext) =~ tr/l/c/;
5879 return ($r, $newext);
5882 # Rewrite a single lex++ file.
5883 sub lang_lexxx_rewrite
5885 my ($directory, $base, $ext) = @_;
5887 my $r = &lang_sub_obj;
5888 (my $newext = $ext) =~ tr/l/c/;
5889 return ($r, $newext);
5892 # Rewrite a single assembly file.
5893 sub lang_asm_rewrite
5895 return &lang_sub_obj;
5898 # Rewrite a single preprocessed assembly file.
5899 sub lang_cppasm_rewrite
5901 return &lang_sub_obj;
5904 # Rewrite a single Fortran 77 file.
5905 sub lang_f77_rewrite
5907 return &lang_sub_obj;
5910 # Rewrite a single Fortran file.
5913 return &lang_sub_obj;
5916 # Rewrite a single preprocessed Fortran file.
5917 sub lang_ppfc_rewrite
5919 return &lang_sub_obj;
5922 # Rewrite a single preprocessed Fortran 77 file.
5923 sub lang_ppf77_rewrite
5925 return &lang_sub_obj;
5928 # Rewrite a single ratfor file.
5929 sub lang_ratfor_rewrite
5931 return &lang_sub_obj;
5934 # Rewrite a single Objective C file.
5935 sub lang_objc_rewrite
5937 return &lang_sub_obj;
5940 # Rewrite a single Unified Parallel C file.
5941 sub lang_upc_rewrite
5943 return &lang_sub_obj;
5946 # Rewrite a single Java file.
5947 sub lang_java_rewrite
5952 # The lang_X_finish functions are called after all source file
5953 # processing is done. Each should handle defining rules for the
5954 # language, etc. A finish function is only called if a source file of
5955 # the appropriate type has been seen.
5959 # Push all libobjs files onto de_ansi_files. We actually only
5960 # push files which exist in the current directory, and which are
5961 # genuine source files.
5962 foreach my $file (keys %libsources)
5964 if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
5966 $de_ansi_files{$1} = ''
5970 if (option 'ansi2knr' && keys %de_ansi_files)
5972 # Make all _.c files depend on their corresponding .c files.
5974 foreach my $base (sort keys %de_ansi_files)
5976 # Each _.c file must depend on ansi2knr; otherwise it
5977 # might be used in a parallel build before it is built.
5978 # We need to support files in the srcdir and in the build
5979 # dir (because these files might be auto-generated. But
5980 # we can't use $< -- some makes only define $< during a
5982 my $ansfile = $de_ansi_files{$base} . $base . '.c';
5983 $output_rules .= ($base . "_.c: $ansfile \$(ANSI2KNR)\n\t"
5984 . '$(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
5985 . '`if test -f $(srcdir)/' . $ansfile
5986 . '; then echo $(srcdir)/' . $ansfile
5987 . '; else echo ' . $ansfile . '; fi` '
5988 . "| sed 's/^# \\([0-9]\\)/#line \\1/' "
5989 . '| $(ANSI2KNR) > $@'
5990 # If ansi2knr fails then we shouldn't
5991 # create the _.c file
5992 . " || rm -f \$\@\n");
5993 push (@objects, $base . '_.$(OBJEXT)');
5994 push (@objects, $base . '_.lo')
5997 # Explicitly clean the _.c files if they are in a
5998 # subdirectory. (In the current directory they get erased
5999 # by a `rm -f *_.c' rule.)
6000 $clean_files{$base . '_.c'} = MOSTLY_CLEAN
6001 if dirname ($base) ne '.';
6004 # Make all _.o (and _.lo) files depend on ansi2knr.
6005 # Use a sneaky little hack to make it print nicely.
6006 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
6010 sub lang_vala_finish_target ($$)
6012 my ($self, $name) = @_;
6014 my $derived = canonicalize ($name);
6015 my $varname = $derived . '_SOURCES';
6016 my $var = var ($varname);
6020 foreach my $file ($var->value_as_list_recursive)
6022 $output_rules .= "\$(srcdir)/$file: \$(srcdir)/${derived}_vala.stamp\n"
6023 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
6024 . "\t\@if test -f \$@; then :; else \\\n"
6025 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
6027 if $file =~ s/(.*)\.vala$/$1.c/;
6031 # Add rebuild rules for generated header and vapi files
6032 my $flags = var ($derived . '_VALAFLAGS');
6036 foreach my $flag ($flags->value_as_list_recursive)
6038 if (grep (/$lastflag/, ('-H', '-h', '--header', '--internal-header',
6039 '--vapi', '--internal-vapi', '--gir')))
6041 my $headerfile = $flag;
6042 $output_rules .= "\$(srcdir)/$headerfile: \$(srcdir)/${derived}_vala.stamp\n"
6043 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
6044 . "\t\@if test -f \$@; then :; else \\\n"
6045 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
6048 # valac is not used when building from dist tarballs
6049 # distribute the generated files
6050 push_dist_common ($headerfile);
6051 $clean_files{$headerfile} = MAINTAINER_CLEAN;
6057 my $compile = $self->compile;
6059 # Rewrite each occurrence of `AM_VALAFLAGS' in the compile
6060 # rule into `${derived}_VALAFLAGS' if it exists.
6061 my $val = "${derived}_VALAFLAGS";
6062 $compile =~ s/\(AM_VALAFLAGS\)/\($val\)/
6065 # VALAFLAGS is a user variable (per GNU Standards),
6066 # it should not be overridden in the Makefile...
6067 check_user_variables ['VALAFLAGS'];
6069 my $dirname = dirname ($name);
6071 # Only generate C code, do not run C compiler
6074 my $verbose = verbose_flag ('VALAC');
6075 my $silent = silent_flag ();
6078 "\$(srcdir)/${derived}_vala.stamp: \$(${derived}_SOURCES)\n".
6079 # Since the C files generated from the vala sources depend on the
6080 # ${derived}_vala.stamp file, we must ensure its timestamp is older than
6081 # those of the C files generated by the valac invocation below (this is
6082 # especially important on systems with sub-second timestamp resolution).
6083 # Thus we need to create the stamp file *before* invoking valac, and to
6084 # move it to its final location only after valac has been invoked.
6085 "\t${silent}rm -f \$\@ && echo stamp > \$\@-t\n".
6086 "\t${verbose}\$(am__cd) \$(srcdir) && ${compile} \$(${derived}_SOURCES)\n".
6087 "\t${silent}mv -f \$\@-t \$\@\n";
6089 push_dist_common ("${derived}_vala.stamp");
6091 $clean_files{"${derived}_vala.stamp"} = MAINTAINER_CLEAN;
6094 # Add output rules to invoke valac and create stamp file as a witness
6095 # to handle multiple outputs. This function is called after all source
6096 # file processing is done.
6097 sub lang_vala_finish
6101 foreach my $prog (keys %known_programs)
6103 lang_vala_finish_target ($self, $prog);
6106 while (my ($name) = each %known_libraries)
6108 lang_vala_finish_target ($self, $name);
6112 # The built .c files should be cleaned only on maintainer-clean
6113 # as the .c files are distributed. This function is called for each
6114 # .vala source file.
6115 sub lang_vala_target_hook
6117 my ($self, $aggregate, $output, $input, %transform) = @_;
6119 $clean_files{$output} = MAINTAINER_CLEAN;
6122 # This is a yacc helper which is called whenever we have decided to
6123 # compile a yacc file.
6124 sub lang_yacc_target_hook
6126 my ($self, $aggregate, $output, $input, %transform) = @_;
6128 # If some relevant *YFLAGS variable contains the `-d' flag, we'll
6129 # have to to generate special code.
6130 my $yflags_contains_minus_d = 0;
6132 foreach my $pfx ("", "${aggregate}_")
6134 my $yflagsvar = var ("${pfx}YFLAGS");
6135 next unless $yflagsvar;
6136 # We cannot work reliably with conditionally-defined YFLAGS.
6137 if ($yflagsvar->has_conditional_contents)
6139 msg_var ('unsupported', $yflagsvar,
6140 "`${pfx}YFLAGS' cannot have conditional contents");
6144 $yflags_contains_minus_d = 1
6145 if grep (/^-d$/, $yflagsvar->value_as_list_recursive);
6149 if ($yflags_contains_minus_d)
6151 # Found a `-d' that applies to the compilation of this file.
6152 # Add a dependency for the generated header file, and arrange
6153 # for that file to be included in the distribution.
6155 # The extension of the output file (e.g., `.c' or `.cxx').
6156 # We'll need it to compute the name of the generated header file.
6157 (my $output_ext = basename ($output)) =~ s/.*(\.[^.]+)$/$1/;
6159 # We know that a yacc input should be turned into either a C or
6160 # C++ output file. We depend on this fact (here and in yacc.am),
6161 # so check that it really holds.
6162 my $lang = $languages{$extension_map{$output_ext}};
6163 prog_error "invalid output name `$output' for yacc file `$input'"
6164 if (!$lang || ($lang->name ne 'c' && $lang->name ne 'cxx'));
6166 (my $header_ext = $output_ext) =~ s/c/h/g;
6167 # Quote $output_ext in the regexp, so that dots in it are taken
6168 # as literal dots, not as metacharacters.
6169 (my $header = $output) =~ s/\Q$output_ext\E$/$header_ext/;
6171 foreach my $cond (Automake::Rule::define (${header}, 'internal',
6172 RULE_AUTOMAKE, TRUE,
6175 my $condstr = $cond->subst_string;
6177 "$condstr${header}: $output\n"
6178 # Recover from removal of $header
6179 . "$condstr\t\@if test ! -f \$@; then rm -f $output; else :; fi\n"
6180 . "$condstr\t\@if test ! -f \$@; then \$(MAKE) \$(AM_MAKEFLAGS) $output; else :; fi\n";
6182 # Distribute the generated file, unless its .y source was
6183 # listed in a nodist_ variable. (&handle_source_transform
6184 # will set DIST_SOURCE.)
6185 &push_dist_common ($header)
6186 if $transform{'DIST_SOURCE'};
6188 # The GNU rules say that yacc/lex output files should be removed
6189 # by maintainer-clean. However, if the files are not distributed,
6190 # then we want to remove them with "make clean"; otherwise,
6191 # "make distcheck" will fail.
6192 $clean_files{$header} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
6194 # See the comment above for $HEADER.
6195 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
6198 # This is a lex helper which is called whenever we have decided to
6199 # compile a lex file.
6200 sub lang_lex_target_hook
6202 my ($self, $aggregate, $output, $input, %transform) = @_;
6203 # The GNU rules say that yacc/lex output files should be removed
6204 # by maintainer-clean. However, if the files are not distributed,
6205 # then we want to remove them with "make clean"; otherwise,
6206 # "make distcheck" will fail.
6207 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
6210 # This is a helper for both lex and yacc.
6211 sub yacc_lex_finish_helper
6213 return if defined $language_scratch{'lex-yacc-done'};
6214 $language_scratch{'lex-yacc-done'} = 1;
6216 # FIXME: for now, no line number.
6217 require_conf_file ($configure_ac, FOREIGN, 'ylwrap');
6218 &define_variable ('YLWRAP', "$am_config_aux_dir/ylwrap", INTERNAL);
6221 sub lang_yacc_finish
6223 return if defined $language_scratch{'yacc-done'};
6224 $language_scratch{'yacc-done'} = 1;
6226 reject_var 'YACCFLAGS', "`YACCFLAGS' obsolete; use `YFLAGS' instead";
6228 yacc_lex_finish_helper;
6234 return if defined $language_scratch{'lex-done'};
6235 $language_scratch{'lex-done'} = 1;
6237 yacc_lex_finish_helper;
6241 # Given a hash table of linker names, pick the name that has the most
6242 # precedence. This is lame, but something has to have global
6243 # knowledge in order to eliminate the conflict. Add more linkers as
6249 foreach my $l (qw(GCJLINK CXXLINK F77LINK FCLINK OBJCLINK UPCLINK))
6251 return $l if defined $linkers{$l};
6256 # Called to indicate that an extension was used.
6260 if (! defined $extension_seen{$ext})
6262 $extension_seen{$ext} = 1;
6266 ++$extension_seen{$ext};
6270 # Return the number of files seen for a given language. Knows about
6271 # special cases we care about. FIXME: this is hideous. We need
6272 # something that involves real language objects. For instance yacc
6273 # and yaccxx could both derive from a common yacc class which would
6274 # know about the strange ylwrap requirement. (Or better yet we could
6275 # just not support legacy yacc!)
6276 sub count_files_for_language
6281 if ($name eq 'yacc' || $name eq 'yaccxx')
6283 @names = ('yacc', 'yaccxx');
6285 elsif ($name eq 'lex' || $name eq 'lexxx')
6287 @names = ('lex', 'lexxx');
6295 foreach $name (@names)
6297 my $lang = $languages{$name};
6298 foreach my $ext (@{$lang->extensions})
6300 $r += $extension_seen{$ext}
6301 if defined $extension_seen{$ext};
6308 # Called to ask whether source files have been seen . If HEADERS is 1,
6309 # headers can be included.
6314 # count all the sources
6316 foreach my $val (values %extension_seen)
6323 $count -= count_files_for_language ('header');
6330 # register_language (%ATTRIBUTE)
6331 # ------------------------------
6332 # Register a single language.
6333 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
6334 sub register_language (%)
6340 unless defined $option{'ansi'};
6341 $option{'autodep'} = 'no'
6342 unless defined $option{'autodep'};
6343 $option{'linker'} = ''
6344 unless defined $option{'linker'};
6345 $option{'flags'} = []
6346 unless defined $option{'flags'};
6347 $option{'output_extensions'} = sub { return ( '.$(OBJEXT)', '.lo' ) }
6348 unless defined $option{'output_extensions'};
6349 $option{'nodist_specific'} = 0
6350 unless defined $option{'nodist_specific'};
6352 my $lang = new Language (%option);
6355 $extension_map{$_} = $lang->name foreach @{$lang->extensions};
6356 $languages{$lang->name} = $lang;
6357 my $link = $lang->linker;
6360 if (exists $link_languages{$link})
6362 prog_error ("`$link' has different definitions in "
6363 . $lang->name . " and " . $link_languages{$link}->name)
6364 if $lang->link ne $link_languages{$link}->link;
6368 $link_languages{$link} = $lang;
6372 # Update the pattern of known extensions.
6373 accept_extensions (@{$lang->extensions});
6375 # Upate the $suffix_rule map.
6376 foreach my $suffix (@{$lang->extensions})
6378 foreach my $dest (&{$lang->output_extensions} ($suffix))
6380 register_suffix_rule (INTERNAL, $suffix, $dest);
6385 # derive_suffix ($EXT, $OBJ)
6386 # --------------------------
6387 # This function is used to find a path from a user-specified suffix $EXT
6388 # to $OBJ or to some other suffix we recognize internally, e.g. `cc'.
6389 sub derive_suffix ($$)
6391 my ($source_ext, $obj) = @_;
6393 while (! $extension_map{$source_ext}
6394 && $source_ext ne $obj
6395 && exists $suffix_rules->{$source_ext}
6396 && exists $suffix_rules->{$source_ext}{$obj})
6398 $source_ext = $suffix_rules->{$source_ext}{$obj}[0];
6405 ################################################################
6407 # Pretty-print something and append to output_rules.
6408 sub pretty_print_rule
6410 $output_rules .= &makefile_wrap (@_);
6414 ################################################################
6417 ## -------------------------------- ##
6418 ## Handling the conditional stack. ##
6419 ## -------------------------------- ##
6423 # make_conditional_string ($NEGATE, $COND)
6424 # ----------------------------------------
6425 sub make_conditional_string ($$)
6427 my ($negate, $cond) = @_;
6428 $cond = "${cond}_TRUE"
6429 unless $cond =~ /^TRUE|FALSE$/;
6430 $cond = Automake::Condition::conditional_negate ($cond)
6436 my %_am_macro_for_cond =
6438 AMDEP => "one of the compiler tests\n"
6439 . " AC_PROG_CC, AC_PROG_CXX, AC_PROG_CXX, AC_PROG_OBJC,\n"
6440 . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC",
6441 am__fastdepCC => 'AC_PROG_CC',
6442 am__fastdepCCAS => 'AM_PROG_AS',
6443 am__fastdepCXX => 'AC_PROG_CXX',
6444 am__fastdepGCJ => 'AM_PROG_GCJ',
6445 am__fastdepOBJC => 'AC_PROG_OBJC',
6446 am__fastdepUPC => 'AM_PROG_UPC'
6450 # cond_stack_if ($NEGATE, $COND, $WHERE)
6451 # --------------------------------------
6452 sub cond_stack_if ($$$)
6454 my ($negate, $cond, $where) = @_;
6456 if (! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/)
6458 my $text = "$cond does not appear in AM_CONDITIONAL";
6459 my $scope = US_LOCAL;
6460 if (exists $_am_macro_for_cond{$cond})
6462 my $mac = $_am_macro_for_cond{$cond};
6463 $text .= "\n The usual way to define `$cond' is to add ";
6464 $text .= ($mac =~ / /) ? $mac : "`$mac'";
6465 $text .= "\n to `$configure_ac' and run `aclocal' and `autoconf' again.";
6466 # These warnings appear in Automake files (depend2.am),
6467 # so there is no need to display them more than once:
6470 error $where, $text, uniq_scope => $scope;
6473 push (@cond_stack, make_conditional_string ($negate, $cond));
6475 return new Automake::Condition (@cond_stack);
6480 # cond_stack_else ($NEGATE, $COND, $WHERE)
6481 # ----------------------------------------
6482 sub cond_stack_else ($$$)
6484 my ($negate, $cond, $where) = @_;
6488 error $where, "else without if";
6492 $cond_stack[$#cond_stack] =
6493 Automake::Condition::conditional_negate ($cond_stack[$#cond_stack]);
6495 # If $COND is given, check against it.
6498 $cond = make_conditional_string ($negate, $cond);
6500 error ($where, "else reminder ($negate$cond) incompatible with "
6501 . "current conditional: $cond_stack[$#cond_stack]")
6502 if $cond_stack[$#cond_stack] ne $cond;
6505 return new Automake::Condition (@cond_stack);
6510 # cond_stack_endif ($NEGATE, $COND, $WHERE)
6511 # -----------------------------------------
6512 sub cond_stack_endif ($$$)
6514 my ($negate, $cond, $where) = @_;
6519 error $where, "endif without if";
6523 # If $COND is given, check against it.
6526 $cond = make_conditional_string ($negate, $cond);
6528 error ($where, "endif reminder ($negate$cond) incompatible with "
6529 . "current conditional: $cond_stack[$#cond_stack]")
6530 if $cond_stack[$#cond_stack] ne $cond;
6535 return new Automake::Condition (@cond_stack);
6542 ## ------------------------ ##
6543 ## Handling the variables. ##
6544 ## ------------------------ ##
6547 # &define_pretty_variable ($VAR, $COND, $WHERE, @VALUE)
6548 # -----------------------------------------------------
6549 # Like define_variable, but the value is a list, and the variable may
6550 # be defined conditionally. The second argument is the condition
6551 # under which the value should be defined; this should be the empty
6552 # string to define the variable unconditionally. The third argument
6553 # is a list holding the values to use for the variable. The value is
6554 # pretty printed in the output file.
6555 sub define_pretty_variable ($$$@)
6557 my ($var, $cond, $where, @value) = @_;
6559 if (! vardef ($var, $cond))
6561 Automake::Variable::define ($var, VAR_AUTOMAKE, '', $cond, "@value",
6562 '', $where, VAR_PRETTY);
6563 rvar ($var)->rdef ($cond)->set_seen;
6568 # define_variable ($VAR, $VALUE, $WHERE)
6569 # --------------------------------------
6570 # Define a new Automake Makefile variable VAR to VALUE, but only if
6571 # not already defined.
6572 sub define_variable ($$$)
6574 my ($var, $value, $where) = @_;
6575 define_pretty_variable ($var, TRUE, $where, $value);
6579 # define_files_variable ($VAR, \@BASENAME, $EXTENSION, $WHERE)
6580 # ------------------------------------------------------------
6581 # Define the $VAR which content is the list of file names composed of
6582 # a @BASENAME and the $EXTENSION.
6583 sub define_files_variable ($\@$$)
6585 my ($var, $basename, $extension, $where) = @_;
6586 define_variable ($var,
6587 join (' ', map { "$_.$extension" } @$basename),
6592 # Like define_variable, but define a variable to be the configure
6593 # substitution by the same name.
6594 sub define_configure_variable ($)
6598 my $pretty = VAR_ASIS;
6599 my $owner = VAR_CONFIGURE;
6601 # Some variables we do not want to output. For instance it
6602 # would be a bad idea to output `U = @U@` when `@U@` can be
6603 # substituted as `\`.
6604 $pretty = VAR_SILENT if exists $ignored_configure_vars{$var};
6606 # ANSI2KNR is a variable that Automake wants to redefine, so
6607 # it must be owned by Automake. (It is also used as a proof
6608 # that AM_C_PROTOTYPES has been run, that's why we do not simply
6609 # omit the AC_SUBST.)
6610 $owner = VAR_AUTOMAKE if $var eq 'ANSI2KNR';
6612 Automake::Variable::define ($var, $owner, '', TRUE, subst $var,
6613 '', $configure_vars{$var}, $pretty);
6617 # define_compiler_variable ($LANG)
6618 # --------------------------------
6619 # Define a compiler variable. We also handle defining the `LT'
6620 # version of the command when using libtool.
6621 sub define_compiler_variable ($)
6625 my ($var, $value) = ($lang->compiler, $lang->compile);
6626 my $libtool_tag = '';
6627 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6628 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6629 &define_variable ($var, $value, INTERNAL);
6630 if (var ('LIBTOOL'))
6632 my $verbose = define_verbose_libtool ();
6633 &define_variable ("LT$var",
6634 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6635 . "\$(LIBTOOLFLAGS) --mode=compile $value",
6638 define_verbose_tagvar ($lang->ccer || 'GEN');
6642 # define_linker_variable ($LANG)
6643 # ------------------------------
6644 # Define linker variables.
6645 sub define_linker_variable ($)
6649 my $libtool_tag = '';
6650 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6651 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6653 &define_variable ($lang->lder, $lang->ld, INTERNAL);
6654 # CCLINK = $(CCLD) blah blah...
6656 if (var ('LIBTOOL'))
6658 my $verbose = define_verbose_libtool ();
6659 $link = "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6660 . "\$(LIBTOOLFLAGS) --mode=link ";
6662 &define_variable ($lang->linker, $link . $lang->link, INTERNAL);
6663 &define_variable ($lang->compiler, $lang);
6664 &define_verbose_tagvar ($lang->lder || 'GEN');
6667 sub define_per_target_linker_variable ($$)
6669 my ($linker, $target) = @_;
6671 # If the user wrote a custom link command, we don't define ours.
6672 return "${target}_LINK"
6673 if set_seen "${target}_LINK";
6675 my $xlink = $linker ? $linker : 'LINK';
6677 my $lang = $link_languages{$xlink};
6678 prog_error "Unknown language for linker variable `$xlink'"
6681 my $link_command = $lang->link;
6684 my $libtool_tag = '';
6685 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6686 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6688 my $verbose = define_verbose_libtool ();
6690 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) \$(LIBTOOLFLAGS) "
6691 . "--mode=link " . $link_command;
6694 # Rewrite each occurrence of `AM_$flag' in the link
6695 # command into `${derived}_$flag' if it exists.
6696 my $orig_command = $link_command;
6697 my @flags = (@{$lang->flags}, 'LDFLAGS');
6698 push @flags, 'LIBTOOLFLAGS' if var 'LIBTOOL';
6699 for my $flag (@flags)
6701 my $val = "${target}_$flag";
6702 $link_command =~ s/\(AM_$flag\)/\($val\)/
6706 # If the computed command is the same as the generic command, use
6707 # the command linker variable.
6708 return ($lang->linker, $lang->lder)
6709 if $link_command eq $orig_command;
6711 &define_variable ("${target}_LINK", $link_command, INTERNAL);
6712 return ("${target}_LINK", $lang->lder);
6715 ################################################################
6717 # &check_trailing_slash ($WHERE, $LINE)
6718 # -------------------------------------
6719 # Return 1 iff $LINE ends with a slash.
6720 # Might modify $LINE.
6721 sub check_trailing_slash ($\$)
6723 my ($where, $line) = @_;
6725 # Ignore `##' lines.
6726 return 0 if $$line =~ /$IGNORE_PATTERN/o;
6728 # Catch and fix a common error.
6729 msg "syntax", $where, "whitespace following trailing backslash"
6730 if $$line =~ s/\\\s+\n$/\\\n/;
6732 return $$line =~ /\\$/;
6736 # &read_am_file ($AMFILE, $WHERE)
6737 # -------------------------------
6738 # Read Makefile.am and set up %contents. Simultaneously copy lines
6739 # from Makefile.am into $output_trailer, or define variables as
6740 # appropriate. NOTE we put rules in the trailer section. We want
6741 # user rules to come after our generated stuff.
6742 sub read_am_file ($$)
6744 my ($amfile, $where) = @_;
6746 my $am_file = new Automake::XFile ("< $amfile");
6747 verb "reading $amfile";
6749 # Keep track of the youngest output dependency.
6750 my $mtime = mtime $amfile;
6751 $output_deps_greatest_timestamp = $mtime
6752 if $mtime > $output_deps_greatest_timestamp;
6758 my $var_look = VAR_ASIS;
6760 use constant IN_VAR_DEF => 0;
6761 use constant IN_RULE_DEF => 1;
6762 use constant IN_COMMENT => 2;
6763 my $prev_state = IN_RULE_DEF;
6765 while ($_ = $am_file->getline)
6767 $where->set ("$amfile:$.");
6768 if (/$IGNORE_PATTERN/o)
6770 # Merely delete comments beginning with two hashes.
6772 elsif (/$WHITE_PATTERN/o)
6774 error $where, "blank line following trailing backslash"
6776 # Stick a single white line before the incoming macro or rule.
6779 # Flush all comments seen so far.
6782 $output_vars .= $comment;
6786 elsif (/$COMMENT_PATTERN/o)
6788 # Stick comments before the incoming macro or rule. Make
6789 # sure a blank line precedes the first block of comments.
6790 $spacing = "\n" unless $blank;
6792 $comment .= $spacing . $_;
6794 $prev_state = IN_COMMENT;
6800 $saw_bk = check_trailing_slash ($where, $_);
6803 # We save the conditional stack on entry, and then check to make
6804 # sure it is the same on exit. This lets us conditionally include
6806 my @saved_cond_stack = @cond_stack;
6807 my $cond = new Automake::Condition (@cond_stack);
6809 my $last_var_name = '';
6810 my $last_var_type = '';
6811 my $last_var_value = '';
6813 # FIXME: shouldn't use $_ in this loop; it is too big.
6816 $where->set ("$amfile:$.");
6818 # Make sure the line is \n-terminated.
6822 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6823 # used by users. @MAINT@ is an anachronism now.
6824 $_ =~ s/\@MAINT\@//g
6825 unless $seen_maint_mode;
6827 my $new_saw_bk = check_trailing_slash ($where, $_);
6829 if (/$IGNORE_PATTERN/o)
6831 # Merely delete comments beginning with two hashes.
6833 # Keep any backslash from the previous line.
6834 $new_saw_bk = $saw_bk;
6836 elsif (/$WHITE_PATTERN/o)
6838 # Stick a single white line before the incoming macro or rule.
6840 error $where, "blank line following trailing backslash"
6843 elsif (/$COMMENT_PATTERN/o)
6845 error $where, "comment following trailing backslash"
6846 if $saw_bk && $prev_state != IN_COMMENT;
6848 # Stick comments before the incoming macro or rule.
6849 $comment .= $spacing . $_;
6851 $prev_state = IN_COMMENT;
6855 if ($prev_state == IN_RULE_DEF)
6857 my $cond = new Automake::Condition @cond_stack;
6858 $output_trailer .= $cond->subst_string;
6859 $output_trailer .= $_;
6861 elsif ($prev_state == IN_COMMENT)
6863 # If the line doesn't start with a `#', add it.
6864 # We do this because a continued comment like
6868 # is not portable. BSD make doesn't honor
6869 # escaped newlines in comments.
6871 $comment .= $spacing . $_;
6873 else # $prev_state == IN_VAR_DEF
6875 $last_var_value .= ' '
6876 unless $last_var_value =~ /\s$/;
6877 $last_var_value .= $_;
6881 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6882 $last_var_type, $cond,
6883 $last_var_value, $comment,
6884 $last_where, VAR_ASIS)
6886 $comment = $spacing = '';
6891 elsif (/$IF_PATTERN/o)
6893 $cond = cond_stack_if ($1, $2, $where);
6895 elsif (/$ELSE_PATTERN/o)
6897 $cond = cond_stack_else ($1, $2, $where);
6899 elsif (/$ENDIF_PATTERN/o)
6901 $cond = cond_stack_endif ($1, $2, $where);
6904 elsif (/$RULE_PATTERN/o)
6907 $prev_state = IN_RULE_DEF;
6909 # For now we have to output all definitions of user rules
6910 # and can't diagnose duplicates (see the comment in
6911 # Automake::Rule::define). So we go on and ignore the return value.
6912 Automake::Rule::define ($1, $amfile, RULE_USER, $cond, $where);
6914 check_variable_expansions ($_, $where);
6916 $output_trailer .= $comment . $spacing;
6917 my $cond = new Automake::Condition @cond_stack;
6918 $output_trailer .= $cond->subst_string;
6919 $output_trailer .= $_;
6920 $comment = $spacing = '';
6922 elsif (/$ASSIGNMENT_PATTERN/o)
6924 # Found a macro definition.
6925 $prev_state = IN_VAR_DEF;
6926 $last_var_name = $1;
6927 $last_var_type = $2;
6928 $last_var_value = $3;
6929 $last_where = $where->clone;
6930 if ($3 ne '' && substr ($3, -1) eq "\\")
6932 # We preserve the `\' because otherwise the long lines
6933 # that are generated will be truncated by broken
6935 $last_var_value = $3 . "\n";
6937 # Normally we try to output variable definitions in the
6938 # same format they were input. However, POSIX compliant
6939 # systems are not required to support lines longer than
6940 # 2048 bytes (most notably, some sed implementation are
6941 # limited to 4000 bytes, and sed is used by config.status
6942 # to rewrite Makefile.in into Makefile). Moreover nobody
6943 # would really write such long lines by hand since it is
6944 # hardly maintainable. So if a line is longer that 1000
6945 # bytes (an arbitrary limit), assume it has been
6946 # automatically generated by some tools, and flatten the
6947 # variable definition. Otherwise, keep the variable as it
6949 $var_look = VAR_PRETTY if length ($last_var_value) >= 1000;
6953 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6954 $last_var_type, $cond,
6955 $last_var_value, $comment,
6956 $last_where, $var_look)
6958 $comment = $spacing = '';
6959 $var_look = VAR_ASIS;
6962 elsif (/$INCLUDE_PATTERN/o)
6966 if ($path =~ s/^\$\(top_srcdir\)\///)
6968 push (@include_stack, "\$\(top_srcdir\)/$path");
6969 # Distribute any included file.
6971 # Always use the $(top_srcdir) prefix in DIST_COMMON,
6972 # otherwise OSF make will implicitly copy the included
6973 # file in the build tree during `make distdir' to satisfy
6975 # (subdircond2.test and subdircond3.test will fail.)
6976 push_dist_common ("\$\(top_srcdir\)/$path");
6980 $path =~ s/\$\(srcdir\)\///;
6981 push (@include_stack, "\$\(srcdir\)/$path");
6982 # Always use the $(srcdir) prefix in DIST_COMMON,
6983 # otherwise OSF make will implicitly copy the included
6984 # file in the build tree during `make distdir' to satisfy
6986 # (subdircond2.test and subdircond3.test will fail.)
6987 push_dist_common ("\$\(srcdir\)/$path");
6988 $path = $relative_dir . "/" . $path if $relative_dir ne '.';
6990 $where->push_context ("`$path' included from here");
6991 &read_am_file ($path, $where);
6992 $where->pop_context;
6996 # This isn't an error; it is probably a continued rule.
6997 # In fact, this is what we assume.
6998 $prev_state = IN_RULE_DEF;
6999 check_variable_expansions ($_, $where);
7000 $output_trailer .= $comment . $spacing;
7001 my $cond = new Automake::Condition @cond_stack;
7002 $output_trailer .= $cond->subst_string;
7003 $output_trailer .= $_;
7004 $comment = $spacing = '';
7005 error $where, "`#' comment at start of rule is unportable"
7006 if $_ =~ /^\t\s*\#/;
7009 $saw_bk = $new_saw_bk;
7010 $_ = $am_file->getline;
7013 $output_trailer .= $comment;
7015 error ($where, "trailing backslash on last line")
7018 error ($where, (@cond_stack ? "unterminated conditionals: @cond_stack"
7019 : "too many conditionals closed in include file"))
7020 if "@saved_cond_stack" ne "@cond_stack";
7024 # define_standard_variables ()
7025 # ----------------------------
7026 # A helper for read_main_am_file which initializes configure variables
7027 # and variables from header-vars.am.
7028 sub define_standard_variables
7030 my $saved_output_vars = $output_vars;
7031 my ($comments, undef, $rules) =
7032 file_contents_internal (1, "$libdir/am/header-vars.am",
7033 new Automake::Location);
7035 foreach my $var (sort keys %configure_vars)
7037 &define_configure_variable ($var);
7040 $output_vars .= $comments . $rules;
7043 # Read main am file.
7044 sub read_main_am_file
7048 # This supports the strange variable tricks we are about to play.
7049 prog_error ("variable defined before read_main_am_file\n" . variables_dump ())
7050 if (scalar (variables) > 0);
7052 # Generate copyright header for generated Makefile.in.
7053 # We do discard the output of predefined variables, handled below.
7054 $output_vars = ("# $in_file_name generated by automake "
7055 . $VERSION . " from $am_file_name.\n");
7056 $output_vars .= '# ' . subst ('configure_input') . "\n";
7057 $output_vars .= $gen_copyright;
7059 # We want to predefine as many variables as possible. This lets
7060 # the user set them with `+=' in Makefile.am.
7061 &define_standard_variables;
7063 # Read user file, which might override some of our values.
7064 &read_am_file ($amfile, new Automake::Location);
7069 ################################################################
7072 # &flatten ($STRING)
7073 # ------------------
7074 # Flatten the $STRING and return the result.
7088 # transform_token ($TOKEN, \%PAIRS, $KEY)
7089 # =======================================
7090 # Return the value associated to $KEY in %PAIRS, as used on $TOKEN
7091 # (which should be ?KEY? or any of the special %% requests)..
7092 sub transform_token ($$$)
7094 my ($token, $transform, $key) = @_;
7095 my $res = $transform->{$key};
7096 prog_error "Unknown key `$key' in `$token'" unless defined $res;
7101 # transform ($TOKEN, \%PAIRS)
7102 # ===========================
7103 # If ($TOKEN, $VAL) is in %PAIRS:
7104 # - replaces %KEY% with $VAL,
7105 # - enables/disables ?KEY? and ?!KEY?,
7106 # - replaces %?KEY% with TRUE or FALSE.
7107 # - replaces %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE% with
7108 # IFTRUE / IFFALSE, as appropriate.
7111 my ($token, $transform) = @_;
7114 # Must be before the following pattern to exclude the case
7115 # when there is neither IFTRUE nor IFFALSE.
7116 if ($token =~ /^%([\w\-]+)%$/)
7118 return transform_token ($token, $transform, $1);
7120 # %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE%.
7121 elsif ($token =~ /^%([\w\-]+)(?:\?([^?:%]+))?(?::([^?:%]+))?%$/)
7123 return transform_token ($token, $transform, $1) ? ($2 || '') : ($3 || '');
7126 elsif ($token =~ /^%\?([\w\-]+)%$/)
7128 return transform_token ($token, $transform, $1) ? 'TRUE' : 'FALSE';
7131 elsif ($token =~ /^ \? (!?) ([\w\-]+) \? $/x)
7133 my $neg = ($1 eq '!') ? 1 : 0;
7134 my $val = transform_token ($token, $transform, $2);
7135 return (!!$val == $neg) ? '##%' : '';
7139 prog_error "Unknown request format: $token";
7145 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
7146 # ------------------------------------------
7147 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
7149 sub make_paragraphs ($%)
7151 my ($file, %transform) = @_;
7153 # Complete %transform with global options.
7154 # Note that %transform goes last, so it overrides global options.
7155 %transform = ('CYGNUS' => !! option 'cygnus',
7157 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
7159 'XZ' => !! option 'dist-xz',
7160 'LZMA' => !! option 'dist-lzma',
7161 'LZIP' => !! option 'dist-lzip',
7162 'BZIP2' => !! option 'dist-bzip2',
7163 'COMPRESS' => !! option 'dist-tarZ',
7164 'GZIP' => ! option 'no-dist-gzip',
7165 'SHAR' => !! option 'dist-shar',
7166 'ZIP' => !! option 'dist-zip',
7168 'INSTALL-INFO' => ! option 'no-installinfo',
7169 'INSTALL-MAN' => ! option 'no-installman',
7170 'HAVE-MANS' => !! var ('MANS'),
7171 'CK-NEWS' => !! option 'check-news',
7173 'SUBDIRS' => !! var ('SUBDIRS'),
7174 'TOPDIR_P' => $relative_dir eq '.',
7176 'BUILD' => ($seen_canonical >= AC_CANONICAL_BUILD),
7177 'HOST' => ($seen_canonical >= AC_CANONICAL_HOST),
7178 'TARGET' => ($seen_canonical >= AC_CANONICAL_TARGET),
7180 'LIBTOOL' => !! var ('LIBTOOL'),
7182 'FIRST' => ! $transformed_files{$file},
7185 $transformed_files{$file} = 1;
7186 $_ = $am_file_cache{$file};
7190 verb "reading $file";
7191 # Swallow the whole file.
7192 my $fc_file = new Automake::XFile "< $file";
7193 my $saved_dollar_slash = $/;
7195 $_ = $fc_file->getline;
7196 $/ = $saved_dollar_slash;
7199 # Remove ##-comments.
7200 # Besides we don't need more than two consecutive new-lines.
7201 s/(?:$IGNORE_PATTERN|(?<=\n\n)\n+)//gom;
7203 $am_file_cache{$file} = $_;
7206 # Substitute Automake template tokens.
7207 s/(?: % \?? [\w\-]+ %
7208 | % [\w\-]+ (?:\?[^?:%]+)? (?::[^?:%]+)? %
7210 )/transform($&, \%transform)/gex;
7211 # transform() may have added some ##%-comments to strip.
7212 # (we use `##%' instead of `##' so we can distinguish ##%##%##% from
7213 # ####### and do not remove the latter.)
7214 s/^[ \t]*(?:##%)+.*\n//gm;
7216 # Split at unescaped new lines.
7217 my @lines = split (/(?<!\\)\n/, $_);
7220 while (defined ($_ = shift @lines))
7223 # If we are a rule, eat as long as we start with a tab.
7224 if (/$RULE_PATTERN/smo)
7226 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
7228 $paragraph .= "\n$_";
7230 unshift (@lines, $_);
7233 # If we are a comments, eat as much comments as you can.
7234 elsif (/$COMMENT_PATTERN/smo)
7236 while (defined ($_ = shift @lines)
7237 && $_ =~ /$COMMENT_PATTERN/smo)
7239 $paragraph .= "\n$_";
7241 unshift (@lines, $_);
7244 push @res, $paragraph;
7252 # ($COMMENT, $VARIABLES, $RULES)
7253 # &file_contents_internal ($IS_AM, $FILE, $WHERE, [%TRANSFORM])
7254 # -------------------------------------------------------------
7255 # Return contents of a file from $libdir/am, automatically skipping
7256 # macros or rules which are already known. $IS_AM iff the caller is
7257 # reading an Automake file (as opposed to the user's Makefile.am).
7258 sub file_contents_internal ($$$%)
7260 my ($is_am, $file, $where, %transform) = @_;
7262 $where->set ($file);
7264 my $result_vars = '';
7265 my $result_rules = '';
7269 # The following flags are used to track rules spanning across
7270 # multiple paragraphs.
7271 my $is_rule = 0; # 1 if we are processing a rule.
7272 my $discard_rule = 0; # 1 if the current rule should not be output.
7274 # We save the conditional stack on entry, and then check to make
7275 # sure it is the same on exit. This lets us conditionally include
7277 my @saved_cond_stack = @cond_stack;
7278 my $cond = new Automake::Condition (@cond_stack);
7280 foreach (make_paragraphs ($file, %transform))
7282 # FIXME: no line number available.
7283 $where->set ($file);
7286 error $where, "blank line following trailing backslash:\n$_"
7288 error $where, "comment following trailing backslash:\n$_"
7294 # Stick empty line before the incoming macro or rule.
7297 elsif (/$COMMENT_PATTERN/mso)
7300 # Stick comments before the incoming macro or rule.
7304 # Handle inclusion of other files.
7305 elsif (/$INCLUDE_PATTERN/o)
7309 my $file = ($is_am ? "$libdir/am/" : '') . $1;
7310 $where->push_context ("`$file' included from here");
7312 my ($com, $vars, $rules)
7313 = file_contents_internal ($is_am, $file, $where, %transform);
7314 $where->pop_context;
7316 $result_vars .= $vars;
7317 $result_rules .= $rules;
7321 # Handling the conditionals.
7322 elsif (/$IF_PATTERN/o)
7324 $cond = cond_stack_if ($1, $2, $file);
7326 elsif (/$ELSE_PATTERN/o)
7328 $cond = cond_stack_else ($1, $2, $file);
7330 elsif (/$ENDIF_PATTERN/o)
7332 $cond = cond_stack_endif ($1, $2, $file);
7336 elsif (/$RULE_PATTERN/mso)
7340 # Separate relationship from optional actions: the first
7341 # `new-line tab" not preceded by backslash (continuation
7344 /^(.*?)(?:(?<!\\)\n(\t.*))?$/s;
7345 my ($relationship, $actions) = ($1, $2 || '');
7347 # Separate targets from dependencies: the first colon.
7348 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
7349 my ($targets, $dependencies) = ($1, $2);
7350 # Remove the escaped new lines.
7351 # I don't know why, but I have to use a tmp $flat_deps.
7352 my $flat_deps = &flatten ($dependencies);
7353 my @deps = split (' ', $flat_deps);
7355 foreach (split (' ', $targets))
7357 # FIXME: 1. We are not robust to people defining several targets
7358 # at once, only some of them being in %dependencies. The
7359 # actions from the targets in %dependencies are usually generated
7360 # from the content of %actions, but if some targets in $targets
7361 # are not in %dependencies the ELSE branch will output
7362 # a rule for all $targets (i.e. the targets which are both
7363 # in %dependencies and $targets will have two rules).
7365 # FIXME: 2. The logic here is not able to output a
7366 # multi-paragraph rule several time (e.g. for each condition
7367 # it is defined for) because it only knows the first paragraph.
7369 # FIXME: 3. We are not robust to people defining a subset
7370 # of a previously defined "multiple-target" rule. E.g.
7371 # `foo:' after `foo bar:'.
7373 # Output only if not in FALSE.
7374 if (defined $dependencies{$_} && $cond != FALSE)
7376 &depend ($_, @deps);
7377 register_action ($_, $actions);
7381 # Free-lance dependency. Output the rule for all the
7382 # targets instead of one by one.
7383 my @undefined_conds =
7384 Automake::Rule::define ($targets, $file,
7385 $is_am ? RULE_AUTOMAKE : RULE_USER,
7387 for my $undefined_cond (@undefined_conds)
7389 my $condparagraph = $paragraph;
7390 $condparagraph =~ s/^/$undefined_cond->subst_string/gme;
7391 $result_rules .= "$spacing$comment$condparagraph\n";
7393 if (scalar @undefined_conds == 0)
7395 # Remember to discard next paragraphs
7396 # if they belong to this rule.
7397 # (but see also FIXME: #2 above.)
7400 $comment = $spacing = '';
7406 elsif (/$ASSIGNMENT_PATTERN/mso)
7408 my ($var, $type, $val) = ($1, $2, $3);
7409 error $where, "variable `$var' with trailing backslash"
7414 Automake::Variable::define ($var,
7415 $is_am ? VAR_AUTOMAKE : VAR_MAKEFILE,
7416 $type, $cond, $val, $comment, $where,
7420 $comment = $spacing = '';
7424 # This isn't an error; it is probably some tokens which
7425 # configure is supposed to replace, such as `@SET-MAKE@',
7426 # or some part of a rule cut by an if/endif.
7427 if (! $cond->false && ! ($is_rule && $discard_rule))
7429 s/^/$cond->subst_string/gme;
7430 $result_rules .= "$spacing$comment$_\n";
7432 $comment = $spacing = '';
7436 error ($where, @cond_stack ?
7437 "unterminated conditionals: @cond_stack" :
7438 "too many conditionals closed in include file")
7439 if "@saved_cond_stack" ne "@cond_stack";
7441 return ($comment, $result_vars, $result_rules);
7446 # &file_contents ($BASENAME, $WHERE, [%TRANSFORM])
7447 # ------------------------------------------------
7448 # Return contents of a file from $libdir/am, automatically skipping
7449 # macros or rules which are already known.
7450 sub file_contents ($$%)
7452 my ($basename, $where, %transform) = @_;
7453 my ($comments, $variables, $rules) =
7454 file_contents_internal (1, "$libdir/am/$basename.am", $where,
7456 return "$comments$variables$rules";
7461 # &am_primary_prefixes ($PRIMARY, $CAN_DIST, @PREFIXES)
7462 # -----------------------------------------------------
7463 # Find all variable prefixes that are used for install directories. A
7464 # prefix `zar' qualifies iff:
7466 # * `zardir' is a variable.
7467 # * `zar_PRIMARY' is a variable.
7469 # As a side effect, it looks for misspellings. It is an error to have
7470 # a variable ending in a "reserved" suffix whose prefix is unknown, e.g.
7471 # "bni_PROGRAMS". However, unusual prefixes are allowed if a variable
7472 # of the same name (with "dir" appended) exists. For instance, if the
7473 # variable "zardir" is defined, then "zar_PROGRAMS" becomes valid.
7474 # This is to provide a little extra flexibility in those cases which
7476 sub am_primary_prefixes ($$@)
7478 my ($primary, $can_dist, @prefixes) = @_;
7481 my %valid = map { $_ => 0 } @prefixes;
7482 $valid{'EXTRA'} = 0;
7483 foreach my $var (variables $primary)
7485 # Automake is allowed to define variables that look like primaries
7486 # but which aren't. E.g. INSTALL_sh_DATA.
7487 # Autoconf can also define variables like INSTALL_DATA, so
7488 # ignore all configure variables (at least those which are not
7489 # redefined in Makefile.am).
7490 # FIXME: We should make sure that these variables are not
7491 # conditionally defined (or else adjust the condition below).
7492 my $def = $var->def (TRUE);
7493 next if $def && $def->owner != VAR_MAKEFILE;
7495 my $varname = $var->name;
7497 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_[[:alnum:]]+$/)
7499 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
7500 if ($dist ne '' && ! $can_dist)
7503 "invalid variable `$varname': `dist' is forbidden");
7505 # Standard directories must be explicitly allowed.
7506 elsif (! defined $valid{$X} && exists $standard_prefix{$X})
7509 "`${X}dir' is not a legitimate directory " .
7512 # A not explicitly valid directory is allowed if Xdir is defined.
7513 elsif (! defined $valid{$X} &&
7514 $var->requires_variables ("`$varname' is used", "${X}dir"))
7516 # Nothing to do. Any error message has been output
7517 # by $var->requires_variables.
7521 # Ensure all extended prefixes are actually used.
7522 $valid{"$base$dist$X"} = 1;
7527 prog_error "unexpected variable name: $varname";
7531 # Return only those which are actually defined.
7532 return sort grep { var ($_ . '_' . $primary) } keys %valid;
7536 # Handle `where_HOW' variable magic. Does all lookups, generates
7537 # install code, and possibly generates code to define the primary
7538 # variable. The first argument is the name of the .am file to munge,
7539 # the second argument is the primary variable (e.g. HEADERS), and all
7540 # subsequent arguments are possible installation locations.
7542 # Returns list of [$location, $value] pairs, where
7543 # $value's are the values in all where_HOW variable, and $location
7544 # there associated location (the place here their parent variables were
7547 # FIXME: this should be rewritten to be cleaner. It should be broken
7548 # up into multiple functions.
7550 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7557 my $default_dist = 0;
7560 if ($args[0] eq '-noextra')
7564 elsif ($args[0] eq '-candist')
7568 elsif ($args[0] eq '-defaultdist')
7573 elsif ($args[0] !~ /^-/)
7580 my ($file, $primary, @prefix) = @args;
7582 # Now that configure substitutions are allowed in where_HOW
7583 # variables, it is an error to actually define the primary. We
7584 # allow `JAVA', as it is customarily used to mean the Java
7585 # interpreter. This is but one of several Java hacks. Similarly,
7586 # `PYTHON' is customarily used to mean the Python interpreter.
7587 reject_var $primary, "`$primary' is an anachronism"
7588 unless $primary eq 'JAVA' || $primary eq 'PYTHON';
7590 # Get the prefixes which are valid and actually used.
7591 @prefix = am_primary_prefixes ($primary, $can_dist, @prefix);
7593 # If a primary includes a configure substitution, then the EXTRA_
7594 # form is required. Otherwise we can't properly do our job.
7600 foreach my $X (@prefix)
7602 my $nodir_name = $X;
7603 my $one_name = $X . '_' . $primary;
7604 my $one_var = var $one_name;
7606 my $strip_subdir = 1;
7607 # If subdir prefix should be preserved, do so.
7608 if ($nodir_name =~ /^nobase_/)
7611 $nodir_name =~ s/^nobase_//;
7614 # If files should be distributed, do so.
7618 $dist_p = (($default_dist && $nodir_name !~ /^nodist_/)
7619 || (! $default_dist && $nodir_name =~ /^dist_/));
7620 $nodir_name =~ s/^(dist|nodist)_//;
7624 # Use the location of the currently processed variable.
7625 # We are not processing a particular condition, so pick the first
7627 my $tmpcond = $one_var->conditions->one_cond;
7628 my $where = $one_var->rdef ($tmpcond)->location->clone;
7630 # Append actual contents of where_PRIMARY variable to
7631 # @result, skipping @substitutions@.
7632 foreach my $locvals ($one_var->value_as_list_recursive (location => 1))
7634 my ($loc, $value) = @$locvals;
7635 # Skip configure substitutions.
7636 if ($value =~ /^\@.*\@$/)
7638 if ($nodir_name eq 'EXTRA')
7641 "`$one_name' contains configure substitution, "
7644 # Check here to make sure variables defined in
7645 # configure.ac do not imply that EXTRA_PRIMARY
7647 elsif (! defined $configure_vars{$one_name})
7649 $require_extra = $one_name
7655 # Strip any $(EXEEXT) suffix the user might have added, or this
7656 # will confuse &handle_source_transform and &check_canonical_spelling.
7657 # We'll add $(EXEEXT) back later anyway.
7658 # Do it here rather than in handle_programs so the uniquifying at the
7659 # end of this function works.
7660 ${$locvals}[1] =~ s/\$\(EXEEXT\)$//
7661 if $primary eq 'PROGRAMS';
7663 push (@result, $locvals);
7666 # A blatant hack: we rewrite each _PROGRAMS primary to include
7668 append_exeext { 1 } $one_name
7669 if $primary eq 'PROGRAMS';
7670 # "EXTRA" shouldn't be used when generating clean targets,
7671 # all, or install targets. We used to warn if EXTRA_FOO was
7672 # defined uselessly, but this was annoying.
7674 if $nodir_name eq 'EXTRA';
7676 if ($nodir_name eq 'check')
7678 push (@check, '$(' . $one_name . ')');
7682 push (@used, '$(' . $one_name . ')');
7685 # Is this to be installed?
7686 my $install_p = $nodir_name ne 'noinst' && $nodir_name ne 'check';
7688 # If so, with install-exec? (or install-data?).
7689 my $exec_p = ($nodir_name =~ /$EXEC_DIR_PATTERN/o);
7691 my $check_options_p = $install_p && !! option 'std-options';
7693 # Use the location of the currently processed variable as context.
7694 $where->push_context ("while processing `$one_name'");
7696 # The variable containing all files to distribute.
7697 my $distvar = "\$($one_name)";
7698 $distvar = shadow_unconditionally ($one_name, $where)
7699 if ($dist_p && $one_var->has_conditional_contents);
7701 # Singular form of $PRIMARY.
7702 (my $one_primary = $primary) =~ s/S$//;
7703 $output_rules .= &file_contents ($file, $where,
7704 PRIMARY => $primary,
7705 ONE_PRIMARY => $one_primary,
7707 NDIR => $nodir_name,
7708 BASE => $strip_subdir,
7711 INSTALL => $install_p,
7713 DISTVAR => $distvar,
7714 'CK-OPTS' => $check_options_p);
7717 # The JAVA variable is used as the name of the Java interpreter.
7718 # The PYTHON variable is used as the name of the Python interpreter.
7719 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7722 define_pretty_variable ($primary, TRUE, INTERNAL, @used);
7723 $output_vars .= "\n";
7726 err_var ($require_extra,
7727 "`$require_extra' contains configure substitution,\n"
7728 . "but `EXTRA_$primary' not defined")
7729 if ($require_extra && ! var ('EXTRA_' . $primary));
7731 # Push here because PRIMARY might be configure time determined.
7732 push (@all, '$(' . $primary . ')')
7733 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7735 # Make the result unique. This lets the user use conditionals in
7736 # a natural way, but still lets us program lazily -- we don't have
7737 # to worry about handling a particular object more than once.
7738 # We will keep only one location per object.
7740 for my $pair (@result)
7742 my ($loc, $val) = @$pair;
7743 $result{$val} = $loc;
7745 my @l = sort keys %result;
7746 return map { [$result{$_}->clone, $_] } @l;
7750 ################################################################
7752 # Each key in this hash is the name of a directory holding a
7753 # Makefile.in. These variables are local to `is_make_dir'.
7755 my $make_dirs_set = 0;
7760 if (! $make_dirs_set)
7762 foreach my $iter (@configure_input_files)
7764 $make_dirs{dirname ($iter)} = 1;
7766 # We also want to notice Makefile.in's.
7767 foreach my $iter (@other_input_files)
7769 if ($iter =~ /Makefile\.in$/)
7771 $make_dirs{dirname ($iter)} = 1;
7776 return defined $make_dirs{$dir};
7779 ################################################################
7781 # Find the aux dir. This should match the algorithm used by
7782 # ./configure. (See the Autoconf documentation for for
7783 # AC_CONFIG_AUX_DIR.)
7784 sub locate_aux_dir ()
7786 if (! $config_aux_dir_set_in_configure_ac)
7788 # The default auxiliary directory is the first
7789 # of ., .., or ../.. that contains install-sh.
7790 # Assume . if install-sh doesn't exist yet.
7791 for my $dir (qw (. .. ../..))
7793 if (-f "$dir/install-sh")
7795 $config_aux_dir = $dir;
7799 $config_aux_dir = '.' unless $config_aux_dir;
7801 # Avoid unsightly '/.'s.
7802 $am_config_aux_dir =
7803 '$(top_srcdir)' . ($config_aux_dir eq '.' ? "" : "/$config_aux_dir");
7804 $am_config_aux_dir =~ s,/*$,,;
7808 # &maybe_push_required_file ($DIR, $FILE, $FULLFILE)
7809 # --------------------------------------------------
7810 # See if we want to push this file onto dist_common. This function
7811 # encodes the rules for deciding when to do so.
7812 sub maybe_push_required_file
7814 my ($dir, $file, $fullfile) = @_;
7816 if ($dir eq $relative_dir)
7818 push_dist_common ($file);
7821 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7823 # If we are doing the topmost directory, and the file is in a
7824 # subdir which does not have a Makefile, then we distribute it
7827 # If a required file is above the source tree, it is important
7828 # to prefix it with `$(srcdir)' so that no VPATH search is
7829 # performed. Otherwise problems occur with Make implementations
7830 # that rewrite and simplify rules whose dependencies are found in a
7831 # VPATH location. Here is an example with OSF1/Tru64 Make.
7843 # Dependency `../a' was found in `sub/../a', but this make
7844 # implementation simplified it as `a'. (Note that the sub/
7845 # directory does not even exist.)
7847 # This kind of VPATH rewriting seems hard to cancel. The
7848 # distdir.am hack against VPATH rewriting works only when no
7849 # simplification is done, i.e., for dependencies which are in
7850 # subdirectories, not in enclosing directories. Hence, in
7851 # the latter case we use a full path to make sure no VPATH
7853 $fullfile = '$(srcdir)/' . $fullfile
7854 if $dir =~ m,^\.\.(?:$|/),;
7856 push_dist_common ($fullfile);
7863 # If a file name appears as a key in this hash, then it has already
7864 # been checked for. This allows us not to report the same error more
7866 my %required_file_not_found = ();
7868 # &require_file_internal ($WHERE, $MYSTRICT, $DIRECTORY, @FILES)
7869 # --------------------------------------------------------------
7870 # Verify that the file must exist in $DIRECTORY, or install it.
7871 # $MYSTRICT is the strictness level at which this file becomes required.
7872 sub require_file_internal ($$$@)
7874 my ($where, $mystrict, $dir, @files) = @_;
7876 foreach my $file (@files)
7878 my $fullfile = "$dir/$file";
7880 my $dangling_sym = 0;
7882 if (-l $fullfile && ! -f $fullfile)
7886 elsif (dir_has_case_matching_file ($dir, $file))
7889 maybe_push_required_file ($dir, $file, $fullfile);
7892 # `--force-missing' only has an effect if `--add-missing' is
7894 if ($found_it && (! $add_missing || ! $force_missing))
7900 # If we've already looked for it, we're done. You might
7901 # wonder why we don't do this before searching for the
7902 # file. If we do that, then something like
7903 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
7907 next if defined $required_file_not_found{$fullfile};
7908 $required_file_not_found{$fullfile} = 1;
7911 if ($strictness >= $mystrict)
7913 if ($dangling_sym && $add_missing)
7922 # Only install missing files according to our desired
7924 my $message = "required file `$fullfile' not found";
7927 if (-f "$libdir/$file")
7931 # Install the missing file. Symlink if we
7932 # can, copy if we must. Note: delete the file
7933 # first, in case it is a dangling symlink.
7934 $message = "installing `$fullfile'";
7936 # The license file should not be volatile.
7937 if ($file eq "COPYING")
7939 $message .= " using GNU General Public License v3 file";
7940 $trailer2 = "\n Consider adding the COPYING file"
7941 . " to the version control system"
7942 . "\n for your code, to avoid questions"
7943 . " about which license your project uses.";
7946 # Windows Perl will hang if we try to delete a
7947 # file that doesn't exist.
7948 unlink ($fullfile) if -f $fullfile;
7949 if ($symlink_exists && ! $copy_missing)
7951 if (! symlink ("$libdir/$file", $fullfile)
7955 $trailer = "; error while making link: $!";
7958 elsif (system ('cp', "$libdir/$file", $fullfile))
7961 $trailer = "\n error while copying";
7963 set_dir_cache_file ($dir, $file);
7966 if (! maybe_push_required_file (dirname ($fullfile),
7969 if (! $found_it && ! $automake_will_process_aux_dir)
7971 # We have added the file but could not push it
7972 # into DIST_COMMON, probably because this is
7973 # an auxiliary file and we are not processing
7974 # the top level Makefile. Furthermore Automake
7975 # hasn't been asked to create the Makefile.in
7976 # that distributes the aux dir files.
7977 error ($where, 'Please make a full run of automake'
7978 . " so $fullfile gets distributed.");
7984 $trailer = "\n `automake --add-missing' can install `$file'"
7985 if -f "$libdir/$file";
7988 # If --force-missing was specified, and we have
7989 # actually found the file, then do nothing.
7991 if $found_it && $force_missing;
7993 # If we couldn't install the file, but it is a target in
7994 # the Makefile, don't print anything. This allows files
7995 # like README, AUTHORS, or THANKS to be generated.
7997 if !$suppress && rule $file;
7999 msg ($suppress ? 'note' : 'error', $where, "$message$trailer$trailer2");
8005 # &require_file ($WHERE, $MYSTRICT, @FILES)
8006 # -----------------------------------------
8007 sub require_file ($$@)
8009 my ($where, $mystrict, @files) = @_;
8010 require_file_internal ($where, $mystrict, $relative_dir, @files);
8013 # &require_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
8014 # -----------------------------------------------------------
8015 sub require_file_with_macro ($$$@)
8017 my ($cond, $macro, $mystrict, @files) = @_;
8018 $macro = rvar ($macro) unless ref $macro;
8019 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
8022 # &require_libsource_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
8023 # ----------------------------------------------------------------
8024 # Require an AC_LIBSOURCEd file. If AC_CONFIG_LIBOBJ_DIR was called, it
8025 # must be in that directory. Otherwise expect it in the current directory.
8026 sub require_libsource_with_macro ($$$@)
8028 my ($cond, $macro, $mystrict, @files) = @_;
8029 $macro = rvar ($macro) unless ref $macro;
8030 if ($config_libobj_dir)
8032 require_file_internal ($macro->rdef ($cond)->location, $mystrict,
8033 $config_libobj_dir, @files);
8037 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
8041 # Queue to push require_conf_file requirements to.
8042 my $required_conf_file_queue;
8044 # &queue_required_conf_file ($QUEUE, $KEY, $DIR, $WHERE, $MYSTRICT, @FILES)
8045 # -------------------------------------------------------------------------
8046 sub queue_required_conf_file ($$$$@)
8048 my ($queue, $key, $dir, $where, $mystrict, @files) = @_;
8052 @serial_loc = (QUEUE_LOCATION, $where->serialize ());
8056 @serial_loc = (QUEUE_STRING, $where);
8058 $queue->enqueue ($key, $dir, @serial_loc, $mystrict, 0 + @files, @files);
8061 # &require_queued_conf_file ($QUEUE)
8062 # ----------------------------------
8063 sub require_queued_conf_file ($)
8067 my $dir = $queue->dequeue ();
8068 my $loc_key = $queue->dequeue ();
8069 if ($loc_key eq QUEUE_LOCATION)
8071 $where = Automake::Location::deserialize ($queue);
8073 elsif ($loc_key eq QUEUE_STRING)
8075 $where = $queue->dequeue ();
8079 prog_error "unexpected key $loc_key";
8081 my $mystrict = $queue->dequeue ();
8082 my $nfiles = $queue->dequeue ();
8084 push @files, $queue->dequeue ()
8085 foreach (1 .. $nfiles);
8087 # Dequeuing happens outside of per-makefile context, so we have to
8088 # set the variables used by require_file_internal and the functions
8090 $relative_dir = $dir;
8091 require_file_internal ($where, $mystrict, $config_aux_dir, @files);
8094 # &require_conf_file ($WHERE, $MYSTRICT, @FILES)
8095 # ----------------------------------------------
8096 # Looks in configuration path, as specified by AC_CONFIG_AUX_DIR;
8097 # worker threads may queue up the action to be serialized by the master.
8099 # FIXME: this seriously relies on the semantics of require_file_internal
8100 # and maybe_push_required_file, in that we exploit the fact that only the
8101 # contents of the last handled output file may be impacted (which in turn
8102 # is dealt with by the master thread).
8103 sub require_conf_file ($$@)
8105 my ($where, $mystrict, @files) = @_;
8106 if (defined $required_conf_file_queue)
8108 queue_required_conf_file ($required_conf_file_queue, QUEUE_CONF_FILE,
8109 $relative_dir, $where, $mystrict, @files);
8113 require_file_internal ($where, $mystrict, $config_aux_dir, @files);
8118 # &require_conf_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
8119 # ----------------------------------------------------------------
8120 sub require_conf_file_with_macro ($$$@)
8122 my ($cond, $macro, $mystrict, @files) = @_;
8123 require_conf_file (rvar ($macro)->rdef ($cond)->location,
8127 ################################################################
8129 # &require_build_directory ($DIRECTORY)
8130 # -------------------------------------
8131 # Emit rules to create $DIRECTORY if needed, and return
8132 # the file that any target requiring this directory should be made
8134 # We don't want to emit the rule twice, and want to reuse it
8135 # for directories with equivalent names (e.g., `foo/bar' and `./foo//bar').
8136 sub require_build_directory ($)
8138 my $directory = shift;
8140 return $directory_map{$directory} if exists $directory_map{$directory};
8142 my $cdir = File::Spec->canonpath ($directory);
8144 if (exists $directory_map{$cdir})
8146 my $stamp = $directory_map{$cdir};
8147 $directory_map{$directory} = $stamp;
8151 my $dirstamp = "$cdir/\$(am__dirstamp)";
8153 $directory_map{$directory} = $dirstamp;
8154 $directory_map{$cdir} = $dirstamp;
8156 # Set a variable for the dirstamp basename.
8157 define_pretty_variable ('am__dirstamp', TRUE, INTERNAL,
8158 '$(am__leading_dot)dirstamp');
8160 # Directory must be removed by `make distclean'.
8161 $clean_files{$dirstamp} = DIST_CLEAN;
8163 $output_rules .= ("$dirstamp:\n"
8164 . "\t\@\$(MKDIR_P) $directory\n"
8165 . "\t\@: > $dirstamp\n");
8170 # &require_build_directory_maybe ($FILE)
8171 # --------------------------------------
8172 # If $FILE lies in a subdirectory, emit a rule to create this
8173 # directory and return the file that $FILE should be made
8174 # dependent upon. Otherwise, just return the empty string.
8175 sub require_build_directory_maybe ($)
8178 my $directory = dirname ($file);
8180 if ($directory ne '.')
8182 return require_build_directory ($directory);
8190 ################################################################
8192 # Push a list of files onto dist_common.
8193 sub push_dist_common
8195 prog_error "push_dist_common run after handle_dist"
8196 if $handle_dist_run;
8197 Automake::Variable::define ('DIST_COMMON', VAR_AUTOMAKE, '+', TRUE, "@_",
8198 '', INTERNAL, VAR_PRETTY);
8202 ################################################################
8204 # generate_makefile ($MAKEFILE_AM, $MAKEFILE_IN)
8205 # ----------------------------------------------
8206 # Generate a Makefile.in given the name of the corresponding Makefile and
8207 # the name of the file output by config.status.
8208 sub generate_makefile ($$)
8210 my ($makefile_am, $makefile_in) = @_;
8212 # Reset all the Makefile.am related variables.
8213 initialize_per_input;
8215 # AUTOMAKE_OPTIONS can contains -W flags to disable or enable
8216 # warnings for this file. So hold any warning issued before
8217 # we have processed AUTOMAKE_OPTIONS.
8218 buffer_messages ('warning');
8220 # Name of input file ("Makefile.am") and output file
8221 # ("Makefile.in"). These have no directory components.
8222 $am_file_name = basename ($makefile_am);
8223 $in_file_name = basename ($makefile_in);
8225 # $OUTPUT is encoded. If it contains a ":" then the first element
8226 # is the real output file, and all remaining elements are input
8227 # files. We don't scan or otherwise deal with these input files,
8228 # other than to mark them as dependencies. See
8229 # &scan_autoconf_files for details.
8230 my ($makefile, @inputs) = split (/:/, $output_files{$makefile_in});
8232 $relative_dir = dirname ($makefile);
8233 $am_relative_dir = dirname ($makefile_am);
8234 $topsrcdir = backname ($relative_dir);
8236 read_main_am_file ($makefile_am);
8239 # Process buffered warnings.
8241 # Fatal error. Just return, so we can continue with next file.
8244 # Process buffered warnings.
8247 # There are a few install-related variables that you should not define.
8248 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
8253 my $def = $v->def (TRUE);
8254 prog_error "$var not defined in condition TRUE"
8256 reject_var $var, "`$var' should not be defined"
8257 if $def->owner != VAR_AUTOMAKE;
8261 # Catch some obsolete variables.
8262 msg_var ('obsolete', 'INCLUDES',
8263 "`INCLUDES' is the old name for `AM_CPPFLAGS' (or `*_CPPFLAGS')")
8264 if var ('INCLUDES');
8266 # Must do this after reading .am file.
8267 define_variable ('subdir', $relative_dir, INTERNAL);
8269 # If DIST_SUBDIRS is defined, make sure SUBDIRS is, so that
8270 # recursive rules are enabled.
8271 define_pretty_variable ('SUBDIRS', TRUE, INTERNAL, '')
8272 if var 'DIST_SUBDIRS' && ! var 'SUBDIRS';
8274 # Check first, because we might modify some state.
8276 check_gnu_standards;
8277 check_gnits_standards;
8279 handle_configure ($makefile_am, $makefile_in, $makefile, @inputs);
8286 # These must be run after all the sources are scanned. They
8287 # use variables defined by &handle_libraries, &handle_ltlibraries,
8288 # or &handle_programs.
8293 # Variables used by distdir.am and tags.am.
8294 define_pretty_variable ('SOURCES', TRUE, INTERNAL, @sources);
8295 if (! option 'no-dist')
8297 define_pretty_variable ('DIST_SOURCES', TRUE, INTERNAL, @dist_sources);
8310 handle_minor_options;
8311 # Must come after handle_programs so that %known_programs is up-to-date.
8314 # This must come after most other rules.
8318 do_check_merge_target;
8319 handle_all ($makefile);
8322 if (var ('lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8324 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
8326 if (var ('nobase_lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8328 $output_rules .= "install-binPROGRAMS: install-nobase_libLTLIBRARIES\n\n";
8332 handle_clean ($makefile);
8333 handle_factored_dependencies;
8335 # Comes last, because all the above procedures may have
8336 # defined or overridden variables.
8337 $output_vars .= output_variables;
8341 my ($out_file) = $output_directory . '/' . $makefile_in;
8343 if ($exit_code != 0)
8345 verb "not writing $out_file because of earlier errors";
8349 if (! -d ($output_directory . '/' . $am_relative_dir))
8351 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
8354 # We make sure that `all:' is the first target.
8356 "$output_vars$output_all$output_header$output_rules$output_trailer";
8358 # Decide whether we must update the output file or not.
8359 # We have to update in the following situations.
8360 # * $force_generation is set.
8361 # * any of the output dependencies is younger than the output
8362 # * the contents of the output is different (this can happen
8363 # if the project has been populated with a file listed in
8364 # @common_files since the last run).
8365 # Output's dependencies are split in two sets:
8366 # * dependencies which are also configure dependencies
8367 # These do not change between each Makefile.am
8368 # * other dependencies, specific to the Makefile.am being processed
8369 # (such as the Makefile.am itself, or any Makefile fragment
8371 my $timestamp = mtime $out_file;
8372 if (! $force_generation
8373 && $configure_deps_greatest_timestamp < $timestamp
8374 && $output_deps_greatest_timestamp < $timestamp
8375 && $output eq contents ($out_file))
8377 verb "$out_file unchanged";
8378 # No need to update.
8385 or fatal "cannot remove $out_file: $!\n";
8388 my $gm_file = new Automake::XFile "> $out_file";
8389 verb "creating $out_file";
8390 print $gm_file $output;
8393 ################################################################
8398 ################################################################
8400 # Helper function for usage().
8401 sub print_autodist_files (@)
8403 my @lcomm = sort (&uniq (@_));
8406 format USAGE_FORMAT =
8407 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
8408 $four[0], $four[1], $four[2], $four[3]
8410 local $~ = "USAGE_FORMAT";
8413 my $rows = int(@lcomm / $cols);
8414 my $rest = @lcomm % $cols;
8425 for (my $y = 0; $y < $rows; $y++)
8427 @four = ("", "", "", "");
8428 for (my $x = 0; $x < $cols; $x++)
8430 last if $y + 1 == $rows && $x == $rest;
8432 my $idx = (($x > $rest)
8433 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
8437 $four[$x] = $lcomm[$idx];
8444 # Print usage information.
8447 print "Usage: $0 [OPTION] ... [Makefile]...
8449 Generate Makefile.in for configure from Makefile.am.
8452 --help print this help, then exit
8453 --version print version number, then exit
8454 -v, --verbose verbosely list files processed
8455 --no-force only update Makefile.in's that are out of date
8456 -W, --warnings=CATEGORY report the warnings falling in CATEGORY
8458 Dependency tracking:
8459 -i, --ignore-deps disable dependency tracking code
8460 --include-deps enable dependency tracking code
8463 --cygnus assume program is part of Cygnus-style tree
8464 --foreign set strictness to foreign
8465 --gnits set strictness to gnits
8466 --gnu set strictness to gnu
8469 -a, --add-missing add missing standard files to package
8470 --libdir=DIR directory storing library files
8471 -c, --copy with -a, copy missing files (default is symlink)
8472 -f, --force-missing force update of standard files
8475 Automake::ChannelDefs::usage;
8477 print "\nFiles automatically distributed if found " .
8479 print_autodist_files @common_files;
8480 print "\nFiles automatically distributed if found " .
8481 "(under certain conditions):\n";
8482 print_autodist_files @common_sometimes;
8485 Report bugs to <@PACKAGE_BUGREPORT@>.
8486 GNU Automake home page: <@PACKAGE_URL@>.
8487 General help using GNU software: <http://www.gnu.org/gethelp/>.
8490 # --help always returns 0 per GNU standards.
8497 # Print version information
8501 automake (GNU $PACKAGE) $VERSION
8502 Copyright (C) 2011 Free Software Foundation, Inc.
8503 License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>
8504 This is free software: you are free to change and redistribute it.
8505 There is NO WARRANTY, to the extent permitted by law.
8507 Written by Tom Tromey <tromey\@redhat.com>
8508 and Alexandre Duret-Lutz <adl\@gnu.org>.
8510 # --version always returns 0 per GNU standards.
8514 ################################################################
8516 # Parse command line.
8517 sub parse_arguments ()
8520 set_strictness ('gnu');
8522 my $cli_where = new Automake::Location;
8525 'version' => \&version,
8527 'libdir=s' => \$libdir,
8528 'gnu' => sub { set_strictness ('gnu'); },
8529 'gnits' => sub { set_strictness ('gnits'); },
8530 'cygnus' => sub { set_global_option ('cygnus', $cli_where); },
8531 'foreign' => sub { set_strictness ('foreign'); },
8532 'include-deps' => sub { unset_global_option ('no-dependencies'); },
8533 'i|ignore-deps' => sub { set_global_option ('no-dependencies',
8535 'no-force' => sub { $force_generation = 0; },
8536 'f|force-missing' => \$force_missing,
8537 'o|output-dir=s' => \$output_directory,
8538 'a|add-missing' => \$add_missing,
8539 'c|copy' => \$copy_missing,
8540 'v|verbose' => sub { setup_channel 'verb', silent => 0; },
8541 'W|warnings=s' => \&parse_warnings,
8542 # These long options (--Werror and --Wno-error) for backward
8543 # compatibility. Use -Werror and -Wno-error today.
8544 'Werror' => sub { parse_warnings 'W', 'error'; },
8545 'Wno-error' => sub { parse_warnings 'W', 'no-error'; },
8548 use Automake::Getopt ();
8549 Automake::Getopt::parse_options %cli_options;
8551 if (defined $output_directory)
8553 msg 'obsolete', "`--output-dir' is deprecated\n";
8557 # In the next release we'll remove this entirely.
8558 $output_directory = '.';
8561 return unless @ARGV;
8564 foreach my $arg (@ARGV)
8566 fatal ("empty argument\nTry `$0 --help' for more information.")
8569 # Handle $local:$input syntax.
8570 my ($local, @rest) = split (/:/, $arg);
8571 @rest = ("$local.in",) unless @rest;
8572 my $input = locate_am @rest;
8575 push @input_files, $input;
8576 $output_files{$input} = join (':', ($local, @rest));
8580 error "no Automake input file found for `$arg'";
8584 fatal "no input file found among supplied arguments"
8585 if $errspec && ! @input_files;
8589 # handle_makefile ($MAKEFILE_IN)
8590 # ------------------------------
8591 # Deal with $MAKEFILE_IN.
8592 sub handle_makefile ($)
8595 ($am_file = $file) =~ s/\.in$//;
8596 if (! -f ($am_file . '.am'))
8598 error "`$am_file.am' does not exist";
8602 # Any warning setting now local to this Makefile.am.
8605 generate_makefile ($am_file . '.am', $file);
8607 # Back out any warning setting.
8612 # handle_makefiles_serial ()
8613 # --------------------------
8614 # Deal with all makefiles, without threads.
8615 sub handle_makefiles_serial ()
8617 foreach my $file (@input_files)
8619 handle_makefile ($file);
8623 # get_number_of_threads ()
8624 # ------------------------
8625 # Logic for deciding how many worker threads to use.
8626 sub get_number_of_threads
8628 my $nthreads = $ENV{'AUTOMAKE_JOBS'} || 0;
8631 unless $nthreads =~ /^[0-9]+$/;
8633 # It doesn't make sense to use more threads than makefiles,
8634 my $max_threads = @input_files;
8636 # but a single worker thread is helpful for exposing bugs.
8637 if ($automake_will_process_aux_dir && $max_threads > 1)
8641 if ($nthreads > $max_threads)
8643 $nthreads = $max_threads;
8648 # handle_makefiles_threaded ($NTHREADS)
8649 # -------------------------------------
8650 # Deal with all makefiles, using threads. The general strategy is to
8651 # spawn NTHREADS worker threads, dispatch makefiles to them, and let the
8652 # worker threads push back everything that needs serialization:
8653 # * warning and (normal) error messages, for stable stderr output
8654 # order and content (avoiding duplicates, for example),
8655 # * races when installing aux files (and respective messages),
8656 # * races when collecting aux files for distribution.
8658 # The latter requires that the makefile that deals with the aux dir
8659 # files be handled last, done by the master thread.
8660 sub handle_makefiles_threaded ($)
8662 my ($nthreads) = @_;
8664 my @queued_input_files = @input_files;
8665 my $last_input_file = undef;
8666 if ($automake_will_process_aux_dir)
8668 $last_input_file = pop @queued_input_files;
8671 # The file queue distributes all makefiles, the message queues
8672 # collect all serializations needed for respective files.
8673 my $file_queue = Thread::Queue->new;
8675 foreach my $file (@queued_input_files)
8677 $msg_queues{$file} = Thread::Queue->new;
8680 verb "spawning $nthreads worker threads";
8681 my @threads = (1 .. $nthreads);
8682 foreach my $t (@threads)
8684 $t = threads->new (sub
8686 while (my $file = $file_queue->dequeue)
8688 verb "handling $file";
8689 my $queue = $msg_queues{$file};
8690 setup_channel_queue ($queue, QUEUE_MESSAGE);
8691 $required_conf_file_queue = $queue;
8692 handle_makefile ($file);
8693 $queue->enqueue (undef);
8694 setup_channel_queue (undef, undef);
8695 $required_conf_file_queue = undef;
8701 # Queue all normal makefiles.
8702 verb "queuing " . @queued_input_files . " input files";
8703 $file_queue->enqueue (@queued_input_files, (undef) x @threads);
8705 # Collect and process serializations.
8706 foreach my $file (@queued_input_files)
8708 verb "dequeuing messages for " . $file;
8709 reset_local_duplicates ();
8710 my $queue = $msg_queues{$file};
8711 while (my $key = $queue->dequeue)
8713 if ($key eq QUEUE_MESSAGE)
8715 pop_channel_queue ($queue);
8717 elsif ($key eq QUEUE_CONF_FILE)
8719 require_queued_conf_file ($queue);
8723 prog_error "unexpected key $key";
8728 foreach my $t (@threads)
8730 my @exit_thread = $t->join;
8731 $exit_code = $exit_thread[0]
8732 if ($exit_thread[0] > $exit_code);
8735 # The master processes the last file.
8736 if ($automake_will_process_aux_dir)
8738 verb "processing last input file";
8739 handle_makefile ($last_input_file);
8743 ################################################################
8745 # Parse the WARNINGS environment variable.
8748 # Parse command line.
8751 $configure_ac = require_configure_ac;
8753 # Do configure.ac scan only once.
8754 scan_autoconf_files;
8759 $msg = "\nDid you forget AC_CONFIG_FILES([Makefile]) in $configure_ac?"
8760 if -f 'Makefile.am';
8761 fatal ("no `Makefile.am' found for any configure output$msg");
8764 my $nthreads = get_number_of_threads ();
8766 if ($perl_threads && $nthreads >= 1)
8768 handle_makefiles_threaded ($nthreads);
8772 handle_makefiles_serial ();
8778 ### Setup "GNU" style for perl-mode and cperl-mode.
8780 ## perl-indent-level: 2
8781 ## perl-continued-statement-offset: 2
8782 ## perl-continued-brace-offset: 0
8783 ## perl-brace-offset: 0
8784 ## perl-brace-imaginary-offset: 0
8785 ## perl-label-offset: -2
8786 ## cperl-indent-level: 2
8787 ## cperl-brace-offset: 0
8788 ## cperl-continued-brace-offset: 0
8789 ## cperl-label-offset: -2
8790 ## cperl-extra-newline-before-brace: t
8791 ## cperl-merge-trailing-else: nil
8792 ## cperl-continued-statement-offset: 2