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 Free Software
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 # Match `-d' as a command-line argument in a string.
212 my $DASH_D_PATTERN = "(^|\\s)-d(\\s|\$)";
213 # Directories installed during 'install-exec' phase.
214 my $EXEC_DIR_PATTERN =
215 '^(?:bin|sbin|libexec|sysconf|localstate|lib|pkglib|.*exec.*)' . "\$";
217 # Values for AC_CANONICAL_*
218 use constant AC_CANONICAL_BUILD => 1;
219 use constant AC_CANONICAL_HOST => 2;
220 use constant AC_CANONICAL_TARGET => 3;
222 # Values indicating when something should be cleaned.
223 use constant MOSTLY_CLEAN => 0;
224 use constant CLEAN => 1;
225 use constant DIST_CLEAN => 2;
226 use constant MAINTAINER_CLEAN => 3;
229 my @libtool_files = qw(ltmain.sh config.guess config.sub);
230 # ltconfig appears here for compatibility with old versions of libtool.
231 my @libtool_sometimes = qw(ltconfig ltcf-c.sh ltcf-cxx.sh ltcf-gcj.sh);
233 # Commonly found files we look for and automatically include in
236 (qw(ABOUT-GNU ABOUT-NLS AUTHORS BACKLOG COPYING COPYING.DOC COPYING.LIB
237 COPYING.LESSER ChangeLog INSTALL NEWS README THANKS TODO
238 ansi2knr.1 ansi2knr.c compile config.guess config.rpath config.sub
239 depcomp elisp-comp install-sh libversion.in mdate-sh missing
240 mkinstalldirs py-compile texinfo.tex ylwrap),
241 @libtool_files, @libtool_sometimes);
243 # Commonly used files we auto-include, but only sometimes. This list
244 # is used for the --help output only.
245 my @common_sometimes =
246 qw(aclocal.m4 acconfig.h config.h.top config.h.bot configure
247 configure.ac configure.in stamp-vti);
249 # Standard directories from the GNU Coding Standards, and additional
250 # pkg* directories from Automake. Stored in a hash for fast member check.
251 my %standard_prefix =
252 map { $_ => 1 } (qw(bin data dataroot dvi exec html include info
253 lib libexec lisp localstate man man1 man2 man3
254 man4 man5 man6 man7 man8 man9 oldinclude pdf
255 pkgdatadir pkgincludedir pkglibdir pkglibexecdir
256 ps sbin sharedstate sysconf));
258 # Copyright on generated Makefile.ins.
259 my $gen_copyright = "\
260 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
261 # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
263 # This Makefile.in is free software; the Free Software Foundation
264 # gives unlimited permission to copy and/or distribute it,
265 # with or without modifications, as long as this notice is preserved.
267 # This program is distributed in the hope that it will be useful,
268 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
269 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
270 # PARTICULAR PURPOSE.
273 # These constants are returned by the lang_*_rewrite functions.
274 # LANG_SUBDIR means that the resulting object file should be in a
275 # subdir if the source file is. In this case the file name cannot
276 # have `..' components.
277 use constant LANG_IGNORE => 0;
278 use constant LANG_PROCESS => 1;
279 use constant LANG_SUBDIR => 2;
281 # These are used when keeping track of whether an object can be built
282 # by two different paths.
283 use constant COMPILE_LIBTOOL => 1;
284 use constant COMPILE_ORDINARY => 2;
286 # We can't always associate a location to a variable or a rule,
287 # when it's defined by Automake. We use INTERNAL in this case.
288 use constant INTERNAL => new Automake::Location;
290 # Serialization keys for message queues.
291 use constant QUEUE_MESSAGE => "msg";
292 use constant QUEUE_CONF_FILE => "conf file";
293 use constant QUEUE_LOCATION => "location";
294 use constant QUEUE_STRING => "string";
297 ## ---------------------------------- ##
298 ## Variables related to the options. ##
299 ## ---------------------------------- ##
301 # TRUE if we should always generate Makefile.in.
302 my $force_generation = 1;
304 # From the Perl manual.
305 my $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
307 # TRUE if missing standard files should be installed.
310 # TRUE if we should copy missing files; otherwise symlink if possible.
311 my $copy_missing = 0;
313 # TRUE if we should always update files that we know about.
314 my $force_missing = 0;
317 ## ---------------------------------------- ##
318 ## Variables filled during files scanning. ##
319 ## ---------------------------------------- ##
321 # Name of the configure.ac file.
324 # Files found by scanning configure.ac for LIBOBJS.
327 # Names used in AC_CONFIG_HEADER call.
328 my @config_headers = ();
330 # Names used in AC_CONFIG_LINKS call.
331 my @config_links = ();
333 # Directory where output files go. Actually, output files are
334 # relative to this directory.
335 my $output_directory;
337 # List of Makefile.am's to process, and their corresponding outputs.
338 my @input_files = ();
339 my %output_files = ();
341 # Complete list of Makefile.am's that exist.
342 my @configure_input_files = ();
344 # List of files in AC_CONFIG_FILES/AC_OUTPUT without Makefile.am's,
346 my @other_input_files = ();
347 # Where each AC_CONFIG_FILES/AC_OUTPUT/AC_CONFIG_LINK/AC_CONFIG_HEADER appears.
348 # The keys are the files created by these macros.
349 my %ac_config_files_location = ();
350 # The condition under which AC_CONFIG_FOOS appears.
351 my %ac_config_files_condition = ();
353 # Directory to search for configure-required files. This
354 # will be computed by &locate_aux_dir and can be set using
355 # AC_CONFIG_AUX_DIR in configure.ac.
356 # $CONFIG_AUX_DIR is the `raw' directory, valid only in the source-tree.
357 my $config_aux_dir = '';
358 my $config_aux_dir_set_in_configure_ac = 0;
359 # $AM_CONFIG_AUX_DIR is prefixed with $(top_srcdir), so it can be used
361 my $am_config_aux_dir = '';
363 # Directory to search for AC_LIBSOURCE files, as set by AC_CONFIG_LIBOBJ_DIR
365 my $config_libobj_dir = '';
367 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
368 my $seen_gettext = 0;
369 # Whether AM_GNU_GETTEXT([external]) is used.
370 my $seen_gettext_external = 0;
371 # Where AM_GNU_GETTEXT appears.
372 my $ac_gettext_location;
373 # Whether AM_GNU_GETTEXT_INTL_SUBDIR has been seen.
374 my $seen_gettext_intl = 0;
376 # Lists of tags supported by Libtool.
377 my %libtool_tags = ();
378 # 1 if Libtool uses LT_SUPPORTED_TAG. If it does, then it also
379 # uses AC_REQUIRE_AUX_FILE.
380 my $libtool_new_api = 0;
382 # Most important AC_CANONICAL_* macro seen so far.
383 my $seen_canonical = 0;
384 # Location of that macro.
385 my $canonical_location;
387 # Where AM_MAINTAINER_MODE appears.
390 # Actual version we've seen.
391 my $package_version = '';
393 # Where version is defined.
394 my $package_version_location;
396 # TRUE if we've seen AM_ENABLE_MULTILIB.
397 my $seen_multilib = 0;
399 # TRUE if we've seen AM_PROG_CC_C_O
402 # Location of AC_REQUIRE_AUX_FILE calls, indexed by their argument.
403 my %required_aux_file = ();
405 # Where AM_INIT_AUTOMAKE is called;
406 my $seen_init_automake = 0;
408 # TRUE if we've seen AM_AUTOMAKE_VERSION.
409 my $seen_automake_version = 0;
411 # Hash table of discovered configure substitutions. Keys are names,
412 # values are `FILE:LINE' strings which are used by error message
414 my %configure_vars = ();
416 # Ignored configure substitutions (i.e., variables not to be output in
418 my %ignored_configure_vars = ();
420 # Files included by $configure_ac.
421 my @configure_deps = ();
423 # Greatest timestamp of configure's dependencies.
424 my $configure_deps_greatest_timestamp = 0;
426 # Hash table of AM_CONDITIONAL variables seen in configure.
427 my %configure_cond = ();
429 # This maps extensions onto language names.
430 my %extension_map = ();
432 # List of the DIST_COMMON files we discovered while reading
434 my $configure_dist_common = '';
436 # This maps languages names onto objects.
438 # Maps each linker variable onto a language object.
439 my %link_languages = ();
441 # maps extensions to needed source flags.
442 my %sourceflags = ();
444 # List of targets we must always output.
445 # FIXME: Complete, and remove falsely required targets.
446 my %required_targets =
459 # FIXME: Not required, temporary hacks.
460 # Well, actually they are sort of required: the -recursive
461 # targets will run them anyway...
467 'install-data-am' => 1,
468 'install-exec-am' => 1,
469 'install-html-am' => 1,
470 'install-dvi-am' => 1,
471 'install-pdf-am' => 1,
472 'install-ps-am' => 1,
473 'install-info-am' => 1,
474 'installcheck-am' => 1,
480 # Set to 1 if this run will create the Makefile.in that distributes
481 # the files in config_aux_dir.
482 my $automake_will_process_aux_dir = 0;
484 # The name of the Makefile currently being processed.
488 ################################################################
490 ## ------------------------------------------ ##
491 ## Variables reset by &initialize_per_input. ##
492 ## ------------------------------------------ ##
494 # Basename and relative dir of the input file.
498 # Same but wrt Makefile.in.
502 # Relative path to the top directory.
505 # Greatest timestamp of the output's dependencies (excluding
506 # configure's dependencies).
507 my $output_deps_greatest_timestamp;
509 # These variables are used when generating each Makefile.in.
510 # They hold the Makefile.in until it is ready to be printed.
517 # This is the conditional stack, updated on if/else/endif, and
518 # used to build Condition objects.
521 # This holds the set of included files.
524 # List of dependencies for the obvious targets.
529 # Keys in this hash table are files to delete. The associated
530 # value tells when this should happen (MOSTLY_CLEAN, DIST_CLEAN, etc.)
533 # Keys in this hash table are object files or other files in
534 # subdirectories which need to be removed. This only holds files
535 # which are created by compilations. The value in the hash indicates
536 # when the file should be removed.
537 my %compile_clean_files;
539 # Keys in this hash table are directories where we expect to build a
540 # libtool object. We use this information to decide what directories
542 my %libtool_clean_directories;
544 # Value of `$(SOURCES)', used by tags.am.
546 # Sources which go in the distribution.
549 # This hash maps object file names onto their corresponding source
550 # file names. This is used to ensure that each object is created
551 # by a single source file.
554 # This hash maps object file names onto an integer value representing
555 # whether this object has been built via ordinary compilation or
556 # libtool compilation (the COMPILE_* constants).
557 my %object_compilation_map;
560 # This keeps track of the directories for which we've already
561 # created dirstamp code. Keys are directories, values are stamp files.
562 # Several keys can share the same stamp files if they are equivalent
563 # (as are `.//foo' and `foo').
569 # This is a list of all targets to run during "make dist".
572 # Keep track of all programs declared in this Makefile, without
573 # $(EXEEXT). @substitutions@ are not listed.
577 # Keys in this hash are the basenames of files which must depend on
578 # ansi2knr. Values are either the empty string, or the directory in
579 # which the ANSI source file appears; the directory must have a
583 # This keeps track of which extensions we've seen (that we care
587 # This is random scratch space for the language finish functions.
588 # Don't randomly overwrite it; examine other uses of keys first.
589 my %language_scratch;
591 # We keep track of which objects need special (per-executable)
592 # handling on a per-language basis.
593 my %lang_specific_files;
595 # This is set when `handle_dist' has finished. Once this happens,
596 # we should no longer push on dist_common.
599 # Used to store a set of linkers needed to generate the sources currently
600 # under consideration.
603 # True if we need `LINK' defined. This is a hack.
606 # Was get_object_extension run?
607 # FIXME: This is a hack. a better switch should be found.
608 my $get_object_extension_was_run;
610 # Record each file processed by make_paragraphs.
611 my %transformed_files;
614 ################################################################
616 ## ---------------------------------------------- ##
617 ## Variables not reset by &initialize_per_input. ##
618 ## ---------------------------------------------- ##
620 # Cache each file processed by make_paragraphs.
621 # (This is different from %transformed_files because
622 # %transformed_files is reset for each file while %am_file_cache
623 # it global to the run.)
626 ################################################################
628 # var_SUFFIXES_trigger ($TYPE, $VALUE)
629 # ------------------------------------
630 # This is called by Automake::Variable::define() when SUFFIXES
631 # is defined ($TYPE eq '') or appended ($TYPE eq '+').
632 # The work here needs to be performed as a side-effect of the
633 # macro_define() call because SUFFIXES definitions impact
634 # on $KNOWN_EXTENSIONS_PATTERN which is used used when parsing
636 sub var_SUFFIXES_trigger ($$)
638 my ($type, $value) = @_;
639 accept_extensions (split (' ', $value));
641 Automake::Variable::hook ('SUFFIXES', \&var_SUFFIXES_trigger);
643 ################################################################
645 ## --------------------------------- ##
646 ## Forward subroutine declarations. ##
647 ## --------------------------------- ##
648 sub register_language (%);
649 sub file_contents_internal ($$$%);
650 sub define_files_variable ($\@$$);
653 # &initialize_per_input ()
654 # ------------------------
655 # (Re)-Initialize per-Makefile.am variables.
656 sub initialize_per_input ()
658 reset_local_duplicates ();
660 $am_file_name = undef;
661 $am_relative_dir = undef;
663 $in_file_name = undef;
664 $relative_dir = undef;
667 $output_deps_greatest_timestamp = 0;
673 $output_trailer = '';
675 Automake::Options::reset;
676 Automake::Variable::reset;
677 Automake::Rule::reset;
688 %compile_clean_files = ();
690 # We always include `.'. This isn't strictly correct.
691 %libtool_clean_directories = ('.' => 1);
697 %object_compilation_map = ();
705 %known_programs = ();
706 %known_libraries= ();
710 %extension_seen = ();
712 %language_scratch = ();
714 %lang_specific_files = ();
716 $handle_dist_run = 0;
720 $get_object_extension_was_run = 0;
722 %transformed_files = ();
726 ################################################################
728 # Initialize our list of languages that are internally supported.
731 register_language ('name' => 'c',
733 'config_vars' => ['CC'],
736 'flags' => ['CFLAGS', 'CPPFLAGS'],
738 'compiler' => 'COMPILE',
739 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
743 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
744 'compile_flag' => '-c',
745 'libtool_tag' => 'CC',
746 'extensions' => ['.c'],
747 '_finish' => \&lang_c_finish);
750 register_language ('name' => 'cxx',
752 'config_vars' => ['CXX'],
753 'linker' => 'CXXLINK',
754 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
756 'flags' => ['CXXFLAGS', 'CPPFLAGS'],
757 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
759 'compiler' => 'CXXCOMPILE',
760 'compile_flag' => '-c',
761 'output_flag' => '-o',
762 'libtool_tag' => 'CXX',
766 'extensions' => ['.c++', '.cc', '.cpp', '.cxx', '.C']);
769 register_language ('name' => 'objc',
770 'Name' => 'Objective C',
771 'config_vars' => ['OBJC'],
772 'linker' => 'OBJCLINK',
773 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
775 'flags' => ['OBJCFLAGS', 'CPPFLAGS'],
776 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
778 'compiler' => 'OBJCCOMPILE',
779 'compile_flag' => '-c',
780 'output_flag' => '-o',
784 'extensions' => ['.m']);
786 # Unified Parallel C.
787 register_language ('name' => 'upc',
788 'Name' => 'Unified Parallel C',
789 'config_vars' => ['UPC'],
790 'linker' => 'UPCLINK',
791 'link' => '$(UPCLD) $(AM_UPCFLAGS) $(UPCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
793 'flags' => ['UPCFLAGS', 'CPPFLAGS'],
794 'compile' => '$(UPC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_UPCFLAGS) $(UPCFLAGS)',
796 'compiler' => 'UPCCOMPILE',
797 'compile_flag' => '-c',
798 'output_flag' => '-o',
802 'extensions' => ['.upc']);
805 register_language ('name' => 'header',
807 'extensions' => ['.h', '.H', '.hxx', '.h++', '.hh',
810 'output_extensions' => sub { return () },
812 '_finish' => sub { });
815 register_language ('name' => 'vala',
817 'config_vars' => ['VALAC'],
819 'compile' => '$(VALAC) $(AM_VALAFLAGS) $(VALAFLAGS)',
821 'compiler' => 'VALACOMPILE',
822 'extensions' => ['.vala'],
823 'output_extensions' => sub { (my $ext = $_[0]) =~ s/vala$/c/;
825 'rule_file' => 'vala',
826 '_finish' => \&lang_vala_finish,
827 '_target_hook' => \&lang_vala_target_hook,
828 'nodist_specific' => 1);
831 register_language ('name' => 'yacc',
833 'config_vars' => ['YACC'],
834 'flags' => ['YFLAGS'],
835 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
837 'compiler' => 'YACCCOMPILE',
838 'extensions' => ['.y'],
839 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
841 'rule_file' => 'yacc',
842 '_finish' => \&lang_yacc_finish,
843 '_target_hook' => \&lang_yacc_target_hook,
844 'nodist_specific' => 1);
845 register_language ('name' => 'yaccxx',
846 'Name' => 'Yacc (C++)',
847 'config_vars' => ['YACC'],
848 'rule_file' => 'yacc',
849 'flags' => ['YFLAGS'],
851 'compiler' => 'YACCCOMPILE',
852 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
853 'extensions' => ['.y++', '.yy', '.yxx', '.ypp'],
854 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
856 '_finish' => \&lang_yacc_finish,
857 '_target_hook' => \&lang_yacc_target_hook,
858 'nodist_specific' => 1);
861 register_language ('name' => 'lex',
863 'config_vars' => ['LEX'],
864 'rule_file' => 'lex',
865 'flags' => ['LFLAGS'],
866 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
868 'compiler' => 'LEXCOMPILE',
869 'extensions' => ['.l'],
870 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
872 '_finish' => \&lang_lex_finish,
873 '_target_hook' => \&lang_lex_target_hook,
874 'nodist_specific' => 1);
875 register_language ('name' => 'lexxx',
876 'Name' => 'Lex (C++)',
877 'config_vars' => ['LEX'],
878 'rule_file' => 'lex',
879 'flags' => ['LFLAGS'],
880 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
882 'compiler' => 'LEXCOMPILE',
883 'extensions' => ['.l++', '.ll', '.lxx', '.lpp'],
884 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
886 '_finish' => \&lang_lex_finish,
887 '_target_hook' => \&lang_lex_target_hook,
888 'nodist_specific' => 1);
891 register_language ('name' => 'asm',
892 'Name' => 'Assembler',
893 'config_vars' => ['CCAS', 'CCASFLAGS'],
895 'flags' => ['CCASFLAGS'],
896 # Users can set AM_CCASFLAGS to include DEFS, INCLUDES,
897 # or anything else required. They can also set CCAS.
898 # Or simply use Preprocessed Assembler.
899 'compile' => '$(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)',
901 'compiler' => 'CCASCOMPILE',
902 'compile_flag' => '-c',
903 'output_flag' => '-o',
904 'extensions' => ['.s'],
906 # With assembly we still use the C linker.
907 '_finish' => \&lang_c_finish);
909 # Preprocessed Assembler.
910 register_language ('name' => 'cppasm',
911 'Name' => 'Preprocessed Assembler',
912 'config_vars' => ['CCAS', 'CCASFLAGS'],
915 'flags' => ['CCASFLAGS', 'CPPFLAGS'],
916 'compile' => '$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)',
918 'compiler' => 'CPPASCOMPILE',
919 'compile_flag' => '-c',
920 'output_flag' => '-o',
921 'extensions' => ['.S', '.sx'],
923 # With assembly we still use the C linker.
924 '_finish' => \&lang_c_finish);
927 register_language ('name' => 'f77',
928 'Name' => 'Fortran 77',
929 'config_vars' => ['F77'],
930 'linker' => 'F77LINK',
931 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
932 'flags' => ['FFLAGS'],
933 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
935 'compiler' => 'F77COMPILE',
936 'compile_flag' => '-c',
937 'output_flag' => '-o',
938 'libtool_tag' => 'F77',
942 'extensions' => ['.f', '.for']);
945 register_language ('name' => 'fc',
947 'config_vars' => ['FC'],
948 'linker' => 'FCLINK',
949 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
950 'flags' => ['FCFLAGS'],
951 'compile' => '$(FC) $(AM_FCFLAGS) $(FCFLAGS)',
953 'compiler' => 'FCCOMPILE',
954 'compile_flag' => '-c',
955 'output_flag' => '-o',
956 'libtool_tag' => 'FC',
960 'extensions' => ['.f90', '.f95', '.f03', '.f08']);
962 # Preprocessed Fortran
963 register_language ('name' => 'ppfc',
964 'Name' => 'Preprocessed Fortran',
965 'config_vars' => ['FC'],
966 'linker' => 'FCLINK',
967 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
970 'flags' => ['FCFLAGS', 'CPPFLAGS'],
972 'compiler' => 'PPFCCOMPILE',
973 'compile' => '$(FC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FCFLAGS) $(FCFLAGS)',
974 'compile_flag' => '-c',
975 'output_flag' => '-o',
976 'libtool_tag' => 'FC',
978 'extensions' => ['.F90','.F95', '.F03', '.F08']);
980 # Preprocessed Fortran 77
982 # The current support for preprocessing Fortran 77 just involves
983 # passing `$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
984 # $(CPPFLAGS)' as additional flags to the Fortran 77 compiler, since
985 # this is how GNU Make does it; see the `GNU Make Manual, Edition 0.51
986 # for `make' Version 3.76 Beta' (specifically, from info file
987 # `(make)Catalogue of Rules').
989 # A better approach would be to write an Autoconf test
990 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
991 # Fortran 77 compilers know how to do preprocessing. The Autoconf
992 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
993 # preprocessing capabilities, and then fall back on cpp (if cpp were
995 register_language ('name' => 'ppf77',
996 'Name' => 'Preprocessed Fortran 77',
997 'config_vars' => ['F77'],
998 'linker' => 'F77LINK',
999 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1002 'flags' => ['FFLAGS', 'CPPFLAGS'],
1004 'compiler' => 'PPF77COMPILE',
1005 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
1006 'compile_flag' => '-c',
1007 'output_flag' => '-o',
1008 'libtool_tag' => 'F77',
1010 'extensions' => ['.F']);
1013 register_language ('name' => 'ratfor',
1015 'config_vars' => ['F77'],
1016 'linker' => 'F77LINK',
1017 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1020 'flags' => ['RFLAGS', 'FFLAGS'],
1021 # FIXME also FFLAGS.
1022 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
1024 'compiler' => 'RCOMPILE',
1025 'compile_flag' => '-c',
1026 'output_flag' => '-o',
1027 'libtool_tag' => 'F77',
1029 'extensions' => ['.r']);
1032 register_language ('name' => 'java',
1034 'config_vars' => ['GCJ'],
1035 'linker' => 'GCJLINK',
1036 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1038 'flags' => ['GCJFLAGS'],
1039 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
1041 'compiler' => 'GCJCOMPILE',
1042 'compile_flag' => '-c',
1043 'output_flag' => '-o',
1044 'libtool_tag' => 'GCJ',
1048 'extensions' => ['.java', '.class', '.zip', '.jar']);
1050 ################################################################
1052 # Error reporting functions.
1054 # err_am ($MESSAGE, [%OPTIONS])
1055 # -----------------------------
1056 # Uncategorized errors about the current Makefile.am.
1059 msg_am ('error', @_);
1062 # err_ac ($MESSAGE, [%OPTIONS])
1063 # -----------------------------
1064 # Uncategorized errors about configure.ac.
1067 msg_ac ('error', @_);
1070 # msg_am ($CHANNEL, $MESSAGE, [%OPTIONS])
1071 # ---------------------------------------
1072 # Messages about about the current Makefile.am.
1075 my ($channel, $msg, %opts) = @_;
1076 msg $channel, "${am_file}.am", $msg, %opts;
1079 # msg_ac ($CHANNEL, $MESSAGE, [%OPTIONS])
1080 # ---------------------------------------
1081 # Messages about about configure.ac.
1084 my ($channel, $msg, %opts) = @_;
1085 msg $channel, $configure_ac, $msg, %opts;
1088 ################################################################
1092 # Return a configure-style substitution using the indicated text.
1093 # We do this to avoid having the substitutions directly in automake.in;
1094 # when we do that they are sometimes removed and this causes confusion
1099 return '@' . $text . '@';
1102 ################################################################
1106 # &backname ($REL-DIR)
1107 # --------------------
1108 # If I `cd $REL-DIR', then to come back, I should `cd $BACKPATH'.
1109 # For instance `src/foo' => `../..'.
1110 # Works with non strictly increasing paths, i.e., `src/../lib' => `..'.
1115 foreach (split (/\//, $file))
1117 next if $_ eq '.' || $_ eq '';
1121 or prog_error ("trying to reverse path `$file' pointing outside tree");
1128 return join ('/', @res) || '.';
1131 ################################################################
1133 # `silent-rules' mode handling functions.
1135 # verbose_var (NAME)
1136 # ------------------
1137 # The public variable stem used to implement `silent-rules'.
1141 return 'AM_V_' . $name;
1144 # verbose_private_var (NAME)
1145 # --------------------------
1146 # The naming policy for the private variables for `silent-rules'.
1147 sub verbose_private_var ($)
1150 return 'am__v_' . $name;
1153 # define_verbose_var (NAME, VAL)
1154 # ------------------------------
1155 # For `silent-rules' mode, setup VAR and dispatcher, to expand to VAL if silent.
1156 sub define_verbose_var ($$)
1158 my ($name, $val) = @_;
1159 my $var = verbose_var ($name);
1160 my $pvar = verbose_private_var ($name);
1161 my $silent_var = $pvar . '_0';
1162 if (option 'silent-rules')
1164 # Using `$V' instead of `$(V)' breaks IRIX make.
1165 define_variable ($var, '$(' . $pvar . '_$(V))', INTERNAL);
1166 define_variable ($pvar . '_', '$(' . $pvar . '_$(AM_DEFAULT_VERBOSITY))', INTERNAL);
1167 Automake::Variable::define ($silent_var, VAR_AUTOMAKE, '', TRUE, $val,
1168 '', INTERNAL, VAR_ASIS)
1169 if (! vardef ($silent_var, TRUE));
1173 # Above should not be needed in the general automake code.
1175 # verbose_flag (NAME)
1176 # -------------------
1177 # Contents of %VERBOSE%: variable to expand before rule command.
1178 sub verbose_flag ($)
1181 return '$(' . verbose_var ($name) . ')'
1182 if (option 'silent-rules');
1186 sub verbose_nodep_flag ($)
1189 return '$(' . verbose_var ($name) . subst ('am__nodep') . ')'
1190 if (option 'silent-rules');
1196 # Contents of %SILENT%: variable to expand to `@' when silent.
1199 return verbose_flag ('at');
1202 # define_verbose_tagvar (NAME)
1203 # ----------------------------
1204 # Engage the needed `silent-rules' machinery for tag NAME.
1205 sub define_verbose_tagvar ($)
1208 if (option 'silent-rules')
1210 define_verbose_var ($name, '@echo " '. $name . ' ' x (6 - length ($name)) . '" $@;');
1211 define_verbose_var ('at', '@');
1215 # define_verbose_libtool
1216 # ----------------------
1217 # Engage the needed `silent-rules' machinery for `libtool --silent'.
1218 sub define_verbose_libtool ()
1220 define_verbose_var ('lt', '--silent');
1221 return verbose_flag ('lt');
1225 ################################################################
1228 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
1231 my $var = var ('AUTOMAKE_OPTIONS');
1234 if ($var->has_conditional_contents)
1236 msg_var ('unsupported', $var,
1237 "`AUTOMAKE_OPTIONS' cannot have conditional contents");
1239 foreach my $locvals ($var->value_as_list_recursive (cond_filter => TRUE,
1242 my ($loc, $value) = @$locvals;
1243 return 1 if (process_option_list ($loc, $value))
1247 # Override portability-recursive warning.
1248 switch_warning ('no-portability-recursive')
1249 if option 'silent-rules';
1251 if ($strictness == GNITS)
1253 set_option ('readme-alpha', INTERNAL);
1254 set_option ('std-options', INTERNAL);
1255 set_option ('check-news', INTERNAL);
1261 # shadow_unconditionally ($varname, $where)
1262 # -----------------------------------------
1263 # Return a $(variable) that contains all possible values
1264 # $varname can take.
1265 # If the VAR wasn't defined conditionally, return $(VAR).
1266 # Otherwise we create an am__VAR_DIST variable which contains
1267 # all possible values, and return $(am__VAR_DIST).
1268 sub shadow_unconditionally ($$)
1270 my ($varname, $where) = @_;
1271 my $var = var $varname;
1272 if ($var->has_conditional_contents)
1274 $varname = "am__${varname}_DIST";
1275 my @files = uniq ($var->value_as_list_recursive);
1276 define_pretty_variable ($varname, TRUE, $where, @files);
1278 return "\$($varname)"
1281 # get_object_extension ($EXTENSION)
1282 # ---------------------------------
1283 # Prefix $EXTENSION with $U if ansi2knr is in use.
1284 sub get_object_extension ($)
1286 my ($extension) = @_;
1288 # Check for automatic de-ANSI-fication.
1289 $extension = '$U' . $extension
1290 if option 'ansi2knr';
1292 $get_object_extension_was_run = 1;
1297 # check_user_variables (@LIST)
1298 # ----------------------------
1299 # Make sure each variable VAR in @LIST does not exist, suggest using AM_VAR
1301 sub check_user_variables (@)
1303 my @dont_override = @_;
1304 foreach my $flag (@dont_override)
1306 my $var = var $flag;
1309 for my $cond ($var->conditions->conds)
1311 if ($var->rdef ($cond)->owner == VAR_MAKEFILE)
1313 msg_cond_var ('gnu', $cond, $flag,
1314 "`$flag' is a user variable, "
1315 . "you should not override it;\n"
1316 . "use `AM_$flag' instead.");
1323 # Call finish function for each language that was used.
1324 sub handle_languages
1326 if (! option 'no-dependencies')
1328 # Include auto-dep code. Don't include it if DEP_FILES would
1330 if (&saw_sources_p (0) && keys %dep_files)
1332 # Set location of depcomp.
1333 &define_variable ('depcomp',
1334 "\$(SHELL) $am_config_aux_dir/depcomp",
1336 &define_variable ('am__depfiles_maybe', 'depfiles', INTERNAL);
1338 require_conf_file ("$am_file.am", FOREIGN, 'depcomp');
1340 my @deplist = sort keys %dep_files;
1341 # Generate each `include' individually. Irix 6 make will
1342 # not properly include several files resulting from a
1343 # variable expansion; generating many separate includes
1345 $output_rules .= "\n";
1346 foreach my $iter (@deplist)
1348 $output_rules .= (subst ('AMDEP_TRUE')
1349 . subst ('am__include')
1351 . subst ('am__quote')
1353 . subst ('am__quote')
1357 # Compute the set of directories to remove in distclean-depend.
1358 my @depdirs = uniq (map { dirname ($_) } @deplist);
1359 $output_rules .= &file_contents ('depend',
1360 new Automake::Location,
1361 DEPDIRS => "@depdirs");
1366 &define_variable ('depcomp', '', INTERNAL);
1367 &define_variable ('am__depfiles_maybe', '', INTERNAL);
1372 # Is the C linker needed?
1374 foreach my $ext (sort keys %extension_seen)
1376 next unless $extension_map{$ext};
1378 my $lang = $languages{$extension_map{$ext}};
1380 my $rule_file = $lang->rule_file || 'depend2';
1382 # Get information on $LANG.
1383 my $pfx = $lang->autodep;
1384 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1386 my ($AMDEP, $FASTDEP) =
1387 (option 'no-dependencies' || $lang->autodep eq 'no')
1388 ? ('FALSE', 'FALSE') : ('AMDEP', "am__fastdep$fpfx");
1390 my $verbose = verbose_flag ($lang->ccer || 'GEN');
1391 my $verbose_nodep = ($AMDEP eq 'FALSE')
1392 ? $verbose : verbose_nodep_flag ($lang->ccer || 'GEN');
1393 my $silent = silent_flag ();
1395 my %transform = ('EXT' => $ext,
1399 'FASTDEP' => $FASTDEP,
1400 '-c' => $lang->compile_flag || '',
1401 # These are not used, but they need to be defined
1402 # so &transform do not complain.
1404 'DERIVED-EXT' => 'BUG',
1406 VERBOSE => $verbose,
1407 'VERBOSE-NODEP' => $verbose_nodep,
1411 # Generate the appropriate rules for this extension.
1412 if (((! option 'no-dependencies') && $lang->autodep ne 'no')
1413 || defined $lang->compile)
1415 # Some C compilers don't support -c -o. Use it only if really
1417 my $output_flag = $lang->output_flag || '';
1420 && $lang->name eq 'c'
1421 && option 'subdir-objects');
1423 # Compute a possible derived extension.
1424 # This is not used by depend2.am.
1425 my $der_ext = (&{$lang->output_extensions} ($ext))[0];
1427 # When we output an inference rule like `.c.o:' we
1428 # have two cases to consider: either subdir-objects
1429 # is used, or it is not.
1431 # In the latter case the rule is used to build objects
1432 # in the current directory, and dependencies always
1433 # go into `./$(DEPDIR)/'. We can hard-code this value.
1435 # In the former case the rule can be used to build
1436 # objects in sub-directories too. Dependencies should
1437 # go into the appropriate sub-directories, e.g.,
1438 # `sub/$(DEPDIR)/'. The value of this directory
1439 # needs to be computed on-the-fly.
1441 # DEPBASE holds the name of this directory, plus the
1442 # basename part of the object file (extensions Po, TPo,
1443 # Plo, TPlo will be added later as appropriate). It is
1444 # either hardcoded, or a shell variable (`$depbase') that
1445 # will be computed by the rule.
1447 option ('subdir-objects') ? '$$depbase' : '$(DEPDIR)/$*';
1449 file_contents ($rule_file,
1450 new Automake::Location,
1454 'DERIVED-EXT' => $der_ext,
1456 DEPBASE => $depbase,
1459 SOURCEFLAG => $sourceflags{$ext} || '',
1464 COMPILE => '$(' . $lang->compiler . ')',
1465 LTCOMPILE => '$(LT' . $lang->compiler . ')',
1467 SUBDIROBJ => !! option 'subdir-objects');
1470 # Now include code for each specially handled object with this
1472 my %seen_files = ();
1473 foreach my $file (@{$lang_specific_files{$lang->name}})
1475 my ($derived, $source, $obj, $myext, $srcext, %file_transform) = @$file;
1477 # We might see a given object twice, for instance if it is
1478 # used under different conditions.
1479 next if defined $seen_files{$obj};
1480 $seen_files{$obj} = 1;
1482 prog_error ("found " . $lang->name .
1483 " in handle_languages, but compiler not defined")
1484 unless defined $lang->compile;
1486 my $obj_compile = $lang->compile;
1488 # Rewrite each occurrence of `AM_$flag' in the compile
1489 # rule into `${derived}_$flag' if it exists.
1490 for my $flag (@{$lang->flags})
1492 my $val = "${derived}_$flag";
1493 $obj_compile =~ s/\(AM_$flag\)/\($val\)/
1497 my $libtool_tag = '';
1498 if ($lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag})
1500 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
1503 my $ptltflags = "${derived}_LIBTOOLFLAGS";
1504 $ptltflags = 'AM_LIBTOOLFLAGS' unless set_seen $ptltflags;
1506 my $ltverbose = define_verbose_libtool ();
1508 "\$(LIBTOOL) $ltverbose $libtool_tag\$($ptltflags) \$(LIBTOOLFLAGS) "
1509 . "--mode=compile $obj_compile";
1511 # We _need_ `-o' for per object rules.
1512 my $output_flag = $lang->output_flag || '-o';
1514 my $depbase = dirname ($obj);
1518 unless $depbase eq '';
1519 $depbase .= '$(DEPDIR)/' . basename ($obj);
1521 # Support for deansified files in subdirectories is ugly
1522 # enough to deserve an explanation.
1524 # A Note about normal ansi2knr processing first. On
1526 # AUTOMAKE_OPTIONS = ansi2knr
1527 # bin_PROGRAMS = foo
1528 # foo_SOURCES = foo.c
1530 # we generate rules similar to:
1532 # foo: foo$U.o; link ...
1533 # foo$U.o: foo$U.c; compile ...
1534 # foo_.c: foo.c; ansi2knr ...
1536 # this is fairly compact, and will call ansi2knr depending
1537 # on the value of $U (`' or `_').
1539 # It's harder with subdir sources. On
1541 # AUTOMAKE_OPTIONS = ansi2knr
1542 # bin_PROGRAMS = foo
1543 # foo_SOURCES = sub/foo.c
1545 # we have to create foo_.c in the current directory.
1546 # (Unless the user asks 'subdir-objects'.) This is important
1547 # in case the same file (`foo.c') is compiled from other
1548 # directories with different cpp options: foo_.c would
1549 # be preprocessed for only one set of options if it were
1550 # put in the subdirectory.
1552 # Because foo$U.o must be built from either foo_.c or
1553 # sub/foo.c we can't be as concise as in the first example.
1556 # foo: foo$U.o; link ...
1557 # foo_.o: foo_.c; compile ...
1558 # foo.o: sub/foo.c; compile ...
1559 # foo_.c: foo.c; ansi2knr ...
1561 # This is why we'll now transform $rule_file twice
1562 # if we detect this case.
1563 # A first time we output the compile rule with `$U'
1564 # replaced by `_' and the source directory removed,
1565 # and another time we simply remove `$U'.
1567 # Note that at this point $source (as computed by
1568 # &handle_single_transform) is `sub/foo$U.c'.
1569 # This can be confusing: it can be used as-is when
1570 # subdir-objects is set, otherwise you have to know
1571 # it really means `foo_.c' or `sub/foo.c'.
1572 my $objdir = dirname ($obj);
1573 my $srcdir = dirname ($source);
1574 if ($lang->ansi && $obj =~ /\$U/)
1576 prog_error "`$obj' contains \$U, but `$source' doesn't."
1577 if $source !~ /\$U/;
1579 (my $source_ = $source) =~ s/\$U/_/g;
1580 # Output an additional rule if _.c and .c are not in
1581 # the same directory. (_.c is always in $objdir.)
1582 if ($objdir ne $srcdir)
1584 (my $obj_ = $obj) =~ s/\$U/_/g;
1585 (my $depbase_ = $depbase) =~ s/\$U/_/g;
1586 $source_ = basename ($source_);
1589 file_contents ($rule_file,
1590 new Automake::Location,
1594 DEPBASE => $depbase_,
1597 SOURCEFLAG => $sourceflags{$srcext} || '',
1598 OBJ => "$obj_$myext",
1599 OBJOBJ => "$obj_.obj",
1600 LTOBJ => "$obj_.lo",
1602 COMPILE => $obj_compile,
1603 LTCOMPILE => $obj_ltcompile,
1607 $depbase =~ s/\$U//g;
1608 $source =~ s/\$U//g;
1613 file_contents ($rule_file,
1614 new Automake::Location,
1618 DEPBASE => $depbase,
1621 SOURCEFLAG => $sourceflags{$srcext} || '',
1622 # Use $myext and not `.o' here, in case
1623 # we are actually building a new source
1624 # file -- e.g. via yacc.
1625 OBJ => "$obj$myext",
1626 OBJOBJ => "$obj.obj",
1629 VERBOSE => $verbose,
1630 'VERBOSE-NODEP' => $verbose_nodep,
1632 COMPILE => $obj_compile,
1633 LTCOMPILE => $obj_ltcompile,
1638 # The rest of the loop is done once per language.
1639 next if defined $done{$lang};
1642 # Load the language dependent Makefile chunks.
1643 my %lang = map { uc ($_) => 0 } keys %languages;
1644 $lang{uc ($lang->name)} = 1;
1645 $output_rules .= file_contents ('lang-compile',
1646 new Automake::Location,
1649 # If the source to a program consists entirely of code from a
1650 # `pure' language, for instance C++ or Fortran 77, then we
1651 # don't need the C compiler code. However if we run into
1652 # something unusual then we do generate the C code. There are
1653 # probably corner cases here that do not work properly.
1654 # People linking Java code to Fortran code deserve pain.
1655 $needs_c ||= ! $lang->pure;
1657 define_compiler_variable ($lang)
1658 if ($lang->compile);
1660 define_linker_variable ($lang)
1663 require_variables ("$am_file.am", $lang->Name . " source seen",
1664 TRUE, @{$lang->config_vars});
1666 # Call the finisher.
1669 # Flags listed in `->flags' are user variables (per GNU Standards),
1670 # they should not be overridden in the Makefile...
1671 my @dont_override = @{$lang->flags};
1672 # ... and so is LDFLAGS.
1673 push @dont_override, 'LDFLAGS' if $lang->link;
1675 check_user_variables @dont_override;
1678 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1679 # suffix rule was learned), don't bother with the C stuff. But if
1680 # anything else creeps in, then use it.
1682 if $need_link || suffix_rules_count > 1;
1686 &define_compiler_variable ($languages{'c'})
1687 unless defined $done{$languages{'c'}};
1688 define_linker_variable ($languages{'c'});
1691 # Always provide the user with `AM_V_GEN' for `silent-rules' mode.
1692 define_verbose_tagvar ('GEN');
1696 # append_exeext { PREDICATE } $MACRO
1697 # ----------------------------------
1698 # Append $(EXEEXT) to each filename in $F appearing in the Makefile
1699 # variable $MACRO if &PREDICATE($F) is true. @substitutions@ are
1702 # This is typically used on all filenames of *_PROGRAMS, and filenames
1703 # of TESTS that are programs.
1704 sub append_exeext (&$)
1706 my ($pred, $macro) = @_;
1708 transform_variable_recursively
1709 ($macro, $macro, 'am__EXEEXT', 0, INTERNAL,
1711 my ($subvar, $val, $cond, $full_cond) = @_;
1712 # Append $(EXEEXT) unless the user did it already, or it's a
1715 if $val !~ /(?:\$\(EXEEXT\)$|^[@]\w+[@]$)/ && &$pred ($val);
1721 # Check to make sure a source defined in LIBOBJS is not explicitly
1722 # mentioned. This is a separate function (as opposed to being inlined
1723 # in handle_source_transform) because it isn't always appropriate to
1725 sub check_libobjs_sources
1727 my ($one_file, $unxformed) = @_;
1729 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1730 'dist_EXTRA_', 'nodist_EXTRA_')
1733 my $varname = $prefix . $one_file . '_SOURCES';
1734 my $var = var ($varname);
1737 @files = $var->value_as_list_recursive;
1739 elsif ($prefix eq '')
1741 @files = ($unxformed . '.c');
1748 foreach my $file (@files)
1750 err_var ($prefix . $one_file . '_SOURCES',
1751 "automatically discovered file `$file' should not" .
1752 " be explicitly mentioned")
1753 if defined $libsources{$file};
1760 # handle_single_transform ($VAR, $TOPPARENT, $DERIVED, $OBJ, $FILE, %TRANSFORM)
1761 # -----------------------------------------------------------------------------
1762 # Does much of the actual work for handle_source_transform.
1764 # $VAR is the name of the variable that the source filenames come from
1765 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1766 # $DERIVED is the name of resulting executable or library
1767 # $OBJ is the object extension (e.g., `$U.lo')
1768 # $FILE the source file to transform
1769 # %TRANSFORM contains extras arguments to pass to file_contents
1770 # when producing explicit rules
1771 # Result is a list of the names of objects
1772 # %linkers_used will be updated with any linkers needed
1773 sub handle_single_transform ($$$$$%)
1775 my ($var, $topparent, $derived, $obj, $_file, %transform) = @_;
1776 my @files = ($_file);
1778 my $nonansi_obj = $obj;
1779 $nonansi_obj =~ s/\$U//g;
1781 # Turn sources into objects. We use a while loop like this
1782 # because we might add to @files in the loop.
1783 while (scalar @files > 0)
1787 # Configure substitutions in _SOURCES variables are errors.
1790 my $parent_msg = '';
1791 $parent_msg = "\nand is referred to from `$topparent'"
1792 if $topparent ne $var->name;
1794 "`" . $var->name . "' includes configure substitution `$_'"
1795 . $parent_msg . ";\nconfigure " .
1796 "substitutions are not allowed in _SOURCES variables");
1800 # If the source file is in a subdirectory then the `.o' is put
1801 # into the current directory, unless the subdir-objects option
1804 # Split file name into base and extension.
1805 next if ! /^(?:(.*)\/)?([^\/]*)($KNOWN_EXTENSIONS_PATTERN)$/;
1807 my $directory = $1 || '';
1811 # We must generate a rule for the object if it requires its own flags.
1813 my ($linker, $object);
1815 # This records whether we've seen a derived source file (e.g.
1817 my $derived_source = 0;
1819 # This holds the `aggregate context' of the file we are
1820 # currently examining. If the file is compiled with
1821 # per-object flags, then it will be the name of the object.
1822 # Otherwise it will be `AM'. This is used by the target hook
1823 # language function.
1824 my $aggregate = 'AM';
1826 $extension = &derive_suffix ($extension, $nonansi_obj);
1828 if ($extension_map{$extension} &&
1829 ($lang = $languages{$extension_map{$extension}}))
1831 # Found the language, so see what it says.
1832 &saw_extension ($extension);
1834 # Do we have per-executable flags for this executable?
1835 my $have_per_exec_flags = 0;
1836 my @peflags = @{$lang->flags};
1837 push @peflags, 'LIBTOOLFLAGS' if $nonansi_obj eq '.lo';
1838 foreach my $flag (@peflags)
1840 if (set_seen ("${derived}_$flag"))
1842 $have_per_exec_flags = 1;
1847 # Note: computed subr call. The language rewrite function
1848 # should return one of the LANG_* constants. It could
1849 # also return a list whose first value is such a constant
1850 # and whose second value is a new source extension which
1851 # should be applied. This means this particular language
1852 # generates another source file which we must then process
1854 my $subr = \&{'lang_' . $lang->name . '_rewrite'};
1855 my ($r, $source_extension)
1856 = &$subr ($directory, $base, $extension,
1857 $nonansi_obj, $have_per_exec_flags, $var);
1858 # Skip this entry if we were asked not to process it.
1859 next if $r == LANG_IGNORE;
1861 # Now extract linker and other info.
1862 $linker = $lang->linker;
1865 if (defined $source_extension)
1867 $this_obj_ext = $source_extension;
1868 $derived_source = 1;
1872 $this_obj_ext = $obj;
1876 $this_obj_ext = $nonansi_obj;
1878 $object = $base . $this_obj_ext;
1880 if ($have_per_exec_flags)
1882 # We have a per-executable flag in effect for this
1883 # object. In this case we rewrite the object's
1884 # name to ensure it is unique.
1886 # We choose the name `DERIVED_OBJECT' to ensure
1887 # (1) uniqueness, and (2) continuity between
1888 # invocations. However, this will result in a
1889 # name that is too long for losing systems, in
1890 # some situations. So we provide _SHORTNAME to
1893 my $dname = $derived;
1894 my $var = var ($derived . '_SHORTNAME');
1897 # FIXME: should use the same Condition as
1898 # the _SOURCES variable. But this is really
1899 # silly overkill -- nobody should have
1900 # conditional shortnames.
1901 $dname = $var->variable_value;
1903 $object = $dname . '-' . $object;
1905 prog_error ($lang->name . " flags defined without compiler")
1906 if ! defined $lang->compile;
1911 # If rewrite said it was ok, put the object into a
1913 if ($r == LANG_SUBDIR && $directory ne '')
1915 $object = $directory . '/' . $object;
1918 # If the object file has been renamed (because per-target
1919 # flags are used) we cannot compile the file with an
1920 # inference rule: we need an explicit rule.
1922 # If the source is in a subdirectory and the object is in
1923 # the current directory, we also need an explicit rule.
1925 # If both source and object files are in a subdirectory
1926 # (this happens when the subdir-objects option is used),
1927 # then the inference will work.
1929 # The latter case deserves a historical note. When the
1930 # subdir-objects option was added on 1999-04-11 it was
1931 # thought that inferences rules would work for
1932 # subdirectory objects too. Later, on 1999-11-22,
1933 # automake was changed to output explicit rules even for
1934 # subdir-objects. Nobody remembers why, but this occurred
1935 # soon after the merge of the user-dep-gen-branch so it
1936 # might be related. In late 2003 people complained about
1937 # the size of the generated Makefile.ins (libgcj, with
1938 # 2200+ subdir objects was reported to have a 9MB
1939 # Makefile), so we now rely on inference rules again.
1940 # Maybe we'll run across the same issue as in the past,
1941 # but at least this time we can document it. However since
1942 # dependency tracking has evolved it is possible that
1943 # our old problem no longer exists.
1944 # Using inference rules for subdir-objects has been tested
1945 # with GNU make, Solaris make, Ultrix make, BSD make,
1946 # HP-UX make, and OSF1 make successfully.
1948 || ($directory ne '' && ! option 'subdir-objects')
1949 # We must also use specific rules for a nodist_ source
1950 # if its language requests it.
1951 || ($lang->nodist_specific && ! $transform{'DIST_SOURCE'}))
1953 my $obj_sans_ext = substr ($object, 0,
1954 - length ($this_obj_ext));
1956 if ($directory ne '')
1958 $full_ansi = $directory . '/' . $base . $extension;
1962 $full_ansi = $base . $extension;
1965 if ($lang->ansi && option 'ansi2knr')
1967 $full_ansi =~ s/$KNOWN_EXTENSIONS_PATTERN$/\$U$&/;
1968 $obj_sans_ext .= '$U';
1971 my @specifics = ($full_ansi, $obj_sans_ext,
1972 # Only use $this_obj_ext in the derived
1973 # source case because in the other case we
1974 # *don't* want $(OBJEXT) to appear here.
1975 ($derived_source ? $this_obj_ext : '.o'),
1978 # If we renamed the object then we want to use the
1979 # per-executable flag name. But if this is simply a
1980 # subdir build then we still want to use the AM_ flag
1984 unshift @specifics, $derived;
1985 $aggregate = $derived;
1989 unshift @specifics, 'AM';
1992 # Each item on this list is a reference to a list consisting
1993 # of four values followed by additional transform flags for
1994 # file_contents. The four values are the derived flag prefix
1995 # (e.g. for `foo_CFLAGS', it is `foo'), the name of the
1996 # source file, the base name of the output file, and
1997 # the extension for the object file.
1998 push (@{$lang_specific_files{$lang->name}},
1999 [@specifics, %transform]);
2002 elsif ($extension eq $nonansi_obj)
2004 # This is probably the result of a direct suffix rule.
2005 # In this case we just accept the rewrite.
2006 $object = "$base$extension";
2007 $object = "$directory/$object" if $directory ne '';
2012 # No error message here. Used to have one, but it was
2014 # FIXME: we could potentially do more processing here,
2015 # perhaps treating the new extension as though it were a
2016 # new source extension (as above). This would require
2017 # more restructuring than is appropriate right now.
2021 err_am "object `$object' created by `$full' and `$object_map{$object}'"
2022 if (defined $object_map{$object}
2023 && $object_map{$object} ne $full);
2025 my $comp_val = (($object =~ /\.lo$/)
2026 ? COMPILE_LIBTOOL : COMPILE_ORDINARY);
2027 (my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
2028 if (defined $object_compilation_map{$comp_obj}
2029 && $object_compilation_map{$comp_obj} != 0
2030 # Only see the error once.
2031 && ($object_compilation_map{$comp_obj}
2032 != (COMPILE_LIBTOOL | COMPILE_ORDINARY))
2033 && $object_compilation_map{$comp_obj} != $comp_val)
2035 err_am "object `$comp_obj' created both with libtool and without";
2037 $object_compilation_map{$comp_obj} |= $comp_val;
2041 # Let the language do some special magic if required.
2042 $lang->target_hook ($aggregate, $object, $full, %transform);
2045 if ($derived_source)
2047 prog_error ($lang->name . " has automatic dependency tracking")
2048 if $lang->autodep ne 'no';
2049 # Make sure this new source file is handled next. That will
2050 # make it appear to be at the right place in the list.
2051 unshift (@files, $object);
2052 # Distribute derived sources unless the source they are
2053 # derived from is not.
2054 &push_dist_common ($object)
2055 unless ($topparent =~ /^(?:nobase_)?nodist_/);
2057 # If resulting derived source is in a subdir, we need to make
2058 # sure the subdir exists at build time.
2059 if ($object =~ /\//)
2061 my $dirstamp = require_build_directory_maybe ($object);
2062 depend ($object, $dirstamp)
2068 $linkers_used{$linker} = 1;
2070 push (@result, $object);
2072 if (! defined $object_map{$object})
2075 $object_map{$object} = $full;
2077 # If resulting object is in subdir, we need to make
2078 # sure the subdir exists at build time.
2079 if ($object =~ /\//)
2081 # FIXME: check that $DIRECTORY is somewhere in the
2084 # For Java, the way we're handling it right now, a
2085 # `..' component doesn't make sense.
2086 if ($lang && $lang->name eq 'java' && $object =~ /(\/|^)\.\.\//)
2088 err_am "`$full' should not contain a `..' component";
2091 # Make sure object is removed by `make mostlyclean'.
2092 $compile_clean_files{$object} = MOSTLY_CLEAN;
2093 # If we have a libtool object then we also must remove
2095 if ($object =~ /\.lo$/)
2097 (my $xobj = $object) =~ s,lo$,\$(OBJEXT),;
2098 $compile_clean_files{$xobj} = MOSTLY_CLEAN;
2100 # Remove any libtool object in this directory.
2101 $libtool_clean_directories{$directory} = 1;
2104 push (@dep_list, require_build_directory ($directory));
2106 # If we're generating dependencies, we also want
2107 # to make sure that the appropriate subdir of the
2108 # .deps directory is created.
2110 require_build_directory ($directory . '/$(DEPDIR)'))
2111 unless option 'no-dependencies';
2114 &pretty_print_rule ($object . ':', "\t", @dep_list)
2115 if scalar @dep_list > 0;
2118 # Transform .o or $o file into .P file (for automatic
2120 # Properly flatten multiple adjacent slashes, as Solaris 10 make
2121 # might fail over them in an include statement.
2122 # Leading double slashes may be special, as per Posix, so deal
2123 # with them carefully.
2124 if ($lang && $lang->autodep ne 'no')
2126 my $depfile = $object;
2127 $depfile =~ s/\.([^.]*)$/.P$1/;
2128 $depfile =~ s/\$\(OBJEXT\)$/o/;
2129 my $maybe_extra_leading_slash = '';
2130 $maybe_extra_leading_slash = '/' if $depfile =~ m,^//[^/],;
2131 $depfile =~ s,/+,/,g;
2132 my $basename = basename ($depfile);
2133 # This might make $dirname empty, but we account for that below.
2134 (my $dirname = dirname ($depfile)) =~ s/\/*$//;
2135 $dirname = $maybe_extra_leading_slash . $dirname;
2136 $dep_files{$dirname . '/$(DEPDIR)/' . $basename} = 1;
2145 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
2146 # $OBJ, $PARENT, $TOPPARENT, $WHERE, %TRANSFORM)
2147 # ---------------------------------------------------------------------------
2148 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
2151 # $VAR is the name of the _SOURCES variable
2152 # $OBJVAR is the name of the _OBJECTS variable if known (otherwise
2153 # it will be generated and returned).
2154 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
2155 # work done to determine the linker will be).
2156 # $ONE_FILE is the canonical (transformed) name of object to build
2157 # $OBJ is the object extension (i.e. either `.o' or `.lo').
2158 # $TOPPARENT is the _SOURCES variable being processed.
2159 # $WHERE context into which this definition is done
2160 # %TRANSFORM extra arguments to pass to file_contents when producing
2163 # Result is a pair ($LINKER, $OBJVAR):
2164 # $LINKER is a boolean, true if a linker is needed to deal with the objects
2165 sub define_objects_from_sources ($$$$$$$%)
2167 my ($var, $objvar, $nodefine, $one_file,
2168 $obj, $topparent, $where, %transform) = @_;
2170 my $needlinker = "";
2172 transform_variable_recursively
2173 ($var, $objvar, 'am__objects', $nodefine, $where,
2174 # The transform code to run on each filename.
2176 my ($subvar, $val, $cond, $full_cond) = @_;
2177 my @trans = handle_single_transform ($subvar, $topparent,
2178 $one_file, $obj, $val,
2180 $needlinker = "true" if @trans;
2188 # handle_source_transform ($CANON_TARGET, $TARGET, $OBJEXT, $WHERE, %TRANSFORM)
2189 # -----------------------------------------------------------------------------
2190 # Handle SOURCE->OBJECT transform for one program or library.
2192 # canonical (transformed) name of target to build
2193 # actual target of object to build
2194 # object extension (i.e., either `.o' or `$o')
2195 # location of the source variable
2196 # extra arguments to pass to file_contents when producing rules
2197 # Return the name of the linker variable that must be used.
2198 # Empty return means just use `LINK'.
2199 sub handle_source_transform ($$$$%)
2201 # one_file is canonical name. unxformed is given name. obj is
2203 my ($one_file, $unxformed, $obj, $where, %transform) = @_;
2207 # No point in continuing if _OBJECTS is defined.
2208 return if reject_var ($one_file . '_OBJECTS',
2209 $one_file . '_OBJECTS should not be defined');
2214 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
2215 'dist_EXTRA_', 'nodist_EXTRA_')
2217 my $varname = $prefix . $one_file . "_SOURCES";
2218 my $var = var $varname;
2221 # We are going to define _OBJECTS variables using the prefix.
2222 # Then we glom them all together. So we can't use the null
2223 # prefix here as we need it later.
2224 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
2226 # Keep track of which prefixes we saw.
2227 $used_pfx{$xpfx} = 1
2228 unless $prefix =~ /EXTRA_/;
2230 push @sources, "\$($varname)";
2231 push @dist_sources, shadow_unconditionally ($varname, $where)
2232 unless (option ('no-dist') || $prefix =~ /^nodist_/);
2235 define_objects_from_sources ($varname,
2236 $xpfx . $one_file . '_OBJECTS',
2237 $prefix =~ /EXTRA_/,
2238 $one_file, $obj, $varname, $where,
2239 DIST_SOURCE => ($prefix !~ /^nodist_/),
2244 $linker ||= &resolve_linker (%linkers_used);
2247 my @keys = sort keys %used_pfx;
2248 if (scalar @keys == 0)
2250 # The default source for libfoo.la is libfoo.c, but for
2251 # backward compatibility we first look at libfoo_la.c,
2252 # if no default source suffix is given.
2253 my $old_default_source = "$one_file.c";
2254 my $ext_var = var ('AM_DEFAULT_SOURCE_EXT');
2255 my $default_source_ext = $ext_var ? variable_value ($ext_var) : '.c';
2256 msg_var ('unsupported', $ext_var, $ext_var->name . " can assume at most one value")
2257 if $default_source_ext =~ /[\t ]/;
2258 (my $default_source = $unxformed) =~ s,(\.[^./\\]*)?$,$default_source_ext,;
2259 if ($old_default_source ne $default_source
2261 && (rule $old_default_source
2262 || rule '$(srcdir)/' . $old_default_source
2263 || rule '${srcdir}/' . $old_default_source
2264 || -f $old_default_source))
2266 my $loc = $where->clone;
2268 msg ('obsolete', $loc,
2269 "the default source for `$unxformed' has been changed "
2270 . "to `$default_source'.\n(Using `$old_default_source' for "
2271 . "backward compatibility.)");
2272 $default_source = $old_default_source;
2274 # If a rule exists to build this source with a $(srcdir)
2275 # prefix, use that prefix in our variables too. This is for
2276 # the sake of BSD Make.
2277 if (rule '$(srcdir)/' . $default_source
2278 || rule '${srcdir}/' . $default_source)
2280 $default_source = '$(srcdir)/' . $default_source;
2283 &define_variable ($one_file . "_SOURCES", $default_source, $where);
2284 push (@sources, $default_source);
2285 push (@dist_sources, $default_source);
2289 handle_single_transform ($one_file . '_SOURCES',
2290 $one_file . '_SOURCES',
2292 $default_source, %transform);
2293 $linker ||= &resolve_linker (%linkers_used);
2294 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @result);
2298 @keys = map { '$(' . $_ . $one_file . '_OBJECTS)' } @keys;
2299 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @keys);
2302 # If we want to use `LINK' we must make sure it is defined.
2312 # handle_lib_objects ($XNAME, $VAR)
2313 # ---------------------------------
2314 # Special-case ALLOCA and LIBOBJS substitutions in _LDADD or _LIBADD variables.
2315 # Also, generate _DEPENDENCIES variable if appropriate.
2317 # transformed name of object being built, or empty string if no object
2318 # name of _LDADD/_LIBADD-type variable to examine
2319 # Returns 1 if LIBOBJS seen, 0 otherwise.
2320 sub handle_lib_objects
2322 my ($xname, $varname) = @_;
2324 my $var = var ($varname);
2325 prog_error "handle_lib_objects: `$varname' undefined"
2327 prog_error "handle_lib_objects: unexpected variable name `$varname'"
2328 unless $varname =~ /^(.*)(?:LIB|LD)ADD$/;
2329 my $prefix = $1 || 'AM_';
2331 my $seen_libobjs = 0;
2334 transform_variable_recursively
2335 ($varname, $xname . '_DEPENDENCIES', 'am__DEPENDENCIES',
2337 # Transformation function, run on each filename.
2339 my ($subvar, $val, $cond, $full_cond) = @_;
2343 # Skip -lfoo and -Ldir silently; these are explicitly allowed.
2344 if ($val !~ /^-[lL]/ &&
2345 # Skip -dlopen and -dlpreopen; these are explicitly allowed
2346 # for Libtool libraries or programs. (Actually we are a bit
2347 # lax here since this code also applies to non-libtool
2348 # libraries or programs, for which -dlopen and -dlopreopen
2349 # are pure nonsense. Diagnosing this doesn't seem very
2350 # important: the developer will quickly get complaints from
2352 $val !~ /^-dl(?:pre)?open$/ &&
2353 # Only get this error once.
2357 # FIXME: should display a stack of nested variables
2358 # as context when $var != $subvar.
2359 err_var ($var, "linker flags such as `$val' belong in "
2360 . "`${prefix}LDFLAGS");
2364 elsif ($val !~ /^\@.*\@$/)
2366 # Assume we have a file of some sort, and output it into the
2367 # dependency variable. Autoconf substitutions are not output;
2368 # rarely is a new dependency substituted into e.g. foo_LDADD
2369 # -- but bad things (e.g. -lX11) are routinely substituted.
2370 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
2371 # and handled specially below.
2374 elsif ($val =~ /^\@(LT)?LIBOBJS\@$/)
2376 handle_LIBOBJS ($subvar, $cond, $1);
2380 elsif ($val =~ /^\@(LT)?ALLOCA\@$/)
2382 handle_ALLOCA ($subvar, $cond, $1);
2391 return $seen_libobjs;
2394 # handle_LIBOBJS_or_ALLOCA ($VAR)
2395 # -------------------------------
2396 # Definitions common to LIBOBJS and ALLOCA.
2397 # VAR should be one of LIBOBJS, LTLIBOBJS, ALLOCA, or LTALLOCA.
2398 sub handle_LIBOBJS_or_ALLOCA ($)
2404 # If LIBOBJS files must be built in another directory we have
2405 # to define LIBOBJDIR and ensure the files get cleaned.
2406 # Otherwise LIBOBJDIR can be left undefined, and the cleaning
2407 # is achieved by `rm -f *.$(OBJEXT)' in compile.am.
2408 if ($config_libobj_dir
2409 && $relative_dir ne $config_libobj_dir)
2411 if (option 'subdir-objects')
2413 # In the top-level Makefile we do not use $(top_builddir), because
2414 # we are already there, and since the targets are built without
2415 # a $(top_builddir), it helps BSD Make to match them with
2417 $dir = "$config_libobj_dir/" if $config_libobj_dir ne '.';
2418 $dir = "$topsrcdir/$dir" if $relative_dir ne '.';
2419 define_variable ('LIBOBJDIR', "$dir", INTERNAL);
2420 $clean_files{"\$($var)"} = MOSTLY_CLEAN;
2421 # If LTLIBOBJS is used, we must also clear LIBOBJS (which might
2422 # be created by libtool as a side-effect of creating LTLIBOBJS).
2423 $clean_files{"\$($var)"} = MOSTLY_CLEAN if $var =~ s/^LT//;
2427 error ("`\$($var)' cannot be used outside `$config_libobj_dir' if"
2428 . " `subdir-objects' is not set");
2435 sub handle_LIBOBJS ($$$)
2437 my ($var, $cond, $lt) = @_;
2438 my $myobjext = $lt ? 'lo' : 'o';
2441 $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
2442 if ! keys %libsources;
2444 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}LIBOBJS";
2446 foreach my $iter (keys %libsources)
2448 if ($iter =~ /\.[cly]$/)
2450 &saw_extension ($&);
2451 &saw_extension ('.c');
2454 if ($iter =~ /\.h$/)
2456 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2458 elsif ($iter ne 'alloca.c')
2460 my $rewrite = $iter;
2461 $rewrite =~ s/\.c$/.P$myobjext/;
2462 $dep_files{$dir . '$(DEPDIR)/' . $rewrite} = 1;
2463 $rewrite = "^" . quotemeta ($iter) . "\$";
2464 # Only require the file if it is not a built source.
2465 my $bs = var ('BUILT_SOURCES');
2466 if (! $bs || ! grep (/$rewrite/, $bs->value_as_list_recursive))
2468 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2474 sub handle_ALLOCA ($$$)
2476 my ($var, $cond, $lt) = @_;
2477 my $myobjext = $lt ? 'lo' : 'o';
2479 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}ALLOCA";
2481 $var->requires_variables ("\@${lt}ALLOCA\@ used", $lt . 'ALLOCA');
2482 $dep_files{$dir . '$(DEPDIR)/alloca.P' . $myobjext} = 1;
2483 require_libsource_with_macro ($cond, $var, FOREIGN, 'alloca.c');
2484 &saw_extension ('.c');
2487 # Canonicalize the input parameter
2491 $string =~ tr/A-Za-z0-9_\@/_/c;
2495 # Canonicalize a name, and check to make sure the non-canonical name
2496 # is never used. Returns canonical name. Arguments are name and a
2497 # list of suffixes to check for.
2498 sub check_canonical_spelling
2500 my ($name, @suffixes) = @_;
2502 my $xname = &canonicalize ($name);
2503 if ($xname ne $name)
2505 foreach my $xt (@suffixes)
2507 reject_var ("$name$xt", "use `$xname$xt', not `$name$xt'");
2517 # Set up the compile suite.
2518 sub handle_compile ()
2521 unless $get_object_extension_was_run;
2524 my $default_includes = '';
2525 if (! option 'nostdinc')
2527 my @incs = ('-I.', subst ('am__isrc'));
2529 my $var = var 'CONFIG_HEADER';
2532 foreach my $hdr (split (' ', $var->variable_value))
2534 push @incs, '-I' . dirname ($hdr);
2537 # We want `-I. -I$(srcdir)', but the latter -I is redundant
2538 # and unaesthetic in non-VPATH builds. We use `-I.@am__isrc@`
2539 # instead. It will be replaced by '-I.' or '-I. -I$(srcdir)'.
2540 # Items in CONFIG_HEADER are never in $(srcdir) so it is safe
2541 # to just put @am__isrc@ right after `-I.', without a space.
2542 ($default_includes = ' ' . uniq (@incs)) =~ s/ @/@/;
2545 my (@mostly_rms, @dist_rms);
2546 foreach my $item (sort keys %compile_clean_files)
2548 if ($compile_clean_files{$item} == MOSTLY_CLEAN)
2550 push (@mostly_rms, "\t-rm -f $item");
2552 elsif ($compile_clean_files{$item} == DIST_CLEAN)
2554 push (@dist_rms, "\t-rm -f $item");
2558 prog_error 'invalid entry in %compile_clean_files';
2562 my ($coms, $vars, $rules) =
2563 &file_contents_internal (1, "$libdir/am/compile.am",
2564 new Automake::Location,
2565 ('DEFAULT_INCLUDES' => $default_includes,
2566 'MOSTLYRMS' => join ("\n", @mostly_rms),
2567 'DISTRMS' => join ("\n", @dist_rms)));
2568 $output_vars .= $vars;
2569 $output_rules .= "$coms$rules";
2571 # Check for automatic de-ANSI-fication.
2572 if (option 'ansi2knr')
2574 my ($ansi2knr_filename, $ansi2knr_where) = @{option 'ansi2knr'};
2575 my $ansi2knr_dir = '';
2577 require_variables ($ansi2knr_where, "option `ansi2knr' is used",
2578 TRUE, "ANSI2KNR", "U");
2580 # topdir is where ansi2knr should be.
2581 if ($ansi2knr_filename eq 'ansi2knr')
2583 # Only require ansi2knr files if they should appear in
2585 require_file ($ansi2knr_where, FOREIGN,
2586 'ansi2knr.c', 'ansi2knr.1');
2588 # ansi2knr needs to be built before subdirs, so unshift it
2589 # rather then pushing it.
2590 unshift (@all, '$(ANSI2KNR)');
2594 $ansi2knr_dir = dirname ($ansi2knr_filename);
2597 $output_rules .= &file_contents ('ansi2knr',
2598 new Automake::Location,
2599 'ANSI2KNR-DIR' => $ansi2knr_dir);
2606 # Handle libtool rules.
2609 return unless var ('LIBTOOL');
2611 # Libtool requires some files, but only at top level.
2612 # (Starting with Libtool 2.0 we do not have to bother. These
2613 # requirements are done with AC_REQUIRE_AUX_FILE.)
2614 require_conf_file_with_macro (TRUE, 'LIBTOOL', FOREIGN, @libtool_files)
2615 if $relative_dir eq '.' && ! $libtool_new_api;
2618 foreach my $item (sort keys %libtool_clean_directories)
2620 my $dir = ($item eq '.') ? '' : "$item/";
2621 # .libs is for Unix, _libs for DOS.
2622 push (@libtool_rms, "\t-rm -rf ${dir}.libs ${dir}_libs");
2625 check_user_variables 'LIBTOOLFLAGS';
2627 # Output the libtool compilation rules.
2628 $output_rules .= &file_contents ('libtool',
2629 new Automake::Location,
2630 LTRMS => join ("\n", @libtool_rms));
2633 # handle_programs ()
2634 # ------------------
2635 # Handle C programs.
2638 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2639 'bin', 'sbin', 'libexec', 'pkglib',
2641 return if ! @proglist;
2643 my $seen_global_libobjs =
2644 var ('LDADD') && &handle_lib_objects ('', 'LDADD');
2646 foreach my $pair (@proglist)
2648 my ($where, $one_file) = @$pair;
2650 my $seen_libobjs = 0;
2651 my $obj = get_object_extension '.$(OBJEXT)';
2653 $known_programs{$one_file} = $where;
2655 # Canonicalize names and check for misspellings.
2656 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2657 '_SOURCES', '_OBJECTS',
2660 $where->push_context ("while processing program `$one_file'");
2661 $where->set (INTERNAL->get);
2663 my $linker = &handle_source_transform ($xname, $one_file, $obj, $where,
2664 NONLIBTOOL => 1, LIBTOOL => 0);
2666 if (var ($xname . "_LDADD"))
2668 $seen_libobjs = &handle_lib_objects ($xname, $xname . '_LDADD');
2672 # User didn't define prog_LDADD override. So do it.
2673 &define_variable ($xname . '_LDADD', '$(LDADD)', $where);
2675 # This does a bit too much work. But we need it to
2676 # generate _DEPENDENCIES when appropriate.
2679 $seen_libobjs = &handle_lib_objects ($xname, 'LDADD');
2683 reject_var ($xname . '_LIBADD',
2684 "use `${xname}_LDADD', not `${xname}_LIBADD'");
2686 set_seen ($xname . '_DEPENDENCIES');
2687 set_seen ($xname . '_LDFLAGS');
2689 # Determine program to use for link.
2690 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xname);
2691 $vlink = verbose_flag ($vlink || 'GEN');
2693 # If the resulting program lies into a subdirectory,
2694 # make sure this directory will exist.
2695 my $dirstamp = require_build_directory_maybe ($one_file);
2697 $libtool_clean_directories{dirname ($one_file)} = 1;
2699 $output_rules .= &file_contents ('program',
2701 PROGRAM => $one_file,
2705 DIRSTAMP => $dirstamp,
2706 EXEEXT => '$(EXEEXT)');
2708 if ($seen_libobjs || $seen_global_libobjs)
2710 if (var ($xname . '_LDADD'))
2712 &check_libobjs_sources ($xname, $xname . '_LDADD');
2714 elsif (var ('LDADD'))
2716 &check_libobjs_sources ($xname, 'LDADD');
2723 # handle_libraries ()
2724 # -------------------
2726 sub handle_libraries
2728 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2729 'lib', 'pkglib', 'noinst', 'check');
2730 return if ! @liblist;
2732 my @prefix = am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2737 my $var = rvar ($prefix[0] . '_LIBRARIES');
2738 $var->requires_variables ('library used', 'RANLIB');
2741 &define_variable ('AR', 'ar', INTERNAL);
2742 &define_variable ('ARFLAGS', 'cru', INTERNAL);
2743 &define_verbose_tagvar ('AR');
2745 foreach my $pair (@liblist)
2747 my ($where, $onelib) = @$pair;
2749 my $seen_libobjs = 0;
2750 # Check that the library fits the standard naming convention.
2751 my $bn = basename ($onelib);
2752 if ($bn !~ /^lib.*\.a$/)
2754 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.a/;
2755 my $suggestion = dirname ($onelib) . "/$bn";
2756 $suggestion =~ s|^\./||g;
2757 msg ('error-gnu/warn', $where,
2758 "`$onelib' is not a standard library name\n"
2759 . "did you mean `$suggestion'?")
2762 ($known_libraries{$onelib} = $bn) =~ s/\.a$//;
2764 $where->push_context ("while processing library `$onelib'");
2765 $where->set (INTERNAL->get);
2767 my $obj = get_object_extension '.$(OBJEXT)';
2769 # Canonicalize names and check for misspellings.
2770 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2771 '_OBJECTS', '_DEPENDENCIES',
2774 if (! var ($xlib . '_AR'))
2776 &define_variable ($xlib . '_AR', '$(AR) $(ARFLAGS)', $where);
2779 # Generate support for conditional object inclusion in
2781 if (var ($xlib . '_LIBADD'))
2783 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2790 &define_variable ($xlib . "_LIBADD", '', $where);
2793 reject_var ($xlib . '_LDADD',
2794 "use `${xlib}_LIBADD', not `${xlib}_LDADD'");
2796 # Make sure we at look at this.
2797 set_seen ($xlib . '_DEPENDENCIES');
2799 &handle_source_transform ($xlib, $onelib, $obj, $where,
2800 NONLIBTOOL => 1, LIBTOOL => 0);
2802 # If the resulting library lies into a subdirectory,
2803 # make sure this directory will exist.
2804 my $dirstamp = require_build_directory_maybe ($onelib);
2805 my $verbose = verbose_flag ('AR');
2806 my $silent = silent_flag ();
2808 $output_rules .= &file_contents ('library',
2810 VERBOSE => $verbose,
2814 DIRSTAMP => $dirstamp);
2818 if (var ($xlib . '_LIBADD'))
2820 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2827 # handle_ltlibraries ()
2828 # ---------------------
2829 # Handle shared libraries.
2830 sub handle_ltlibraries
2832 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2833 'noinst', 'lib', 'pkglib', 'check');
2834 return if ! @liblist;
2836 my @prefix = am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2841 my $var = rvar ($prefix[0] . '_LTLIBRARIES');
2842 $var->requires_variables ('Libtool library used', 'LIBTOOL');
2846 my %instsubdirs = ();
2848 my %liblocations = (); # Location (in Makefile.am) of each library.
2850 foreach my $key (@prefix)
2852 # Get the installation directory of each library.
2854 my $strip_subdir = 1;
2855 if ($dir =~ /^nobase_/)
2857 $dir =~ s/^nobase_//;
2860 my $var = rvar ($key . '_LTLIBRARIES');
2862 # We reject libraries which are installed in several places
2863 # in the same condition, because we can only specify one
2865 $var->traverse_recursively
2868 my ($var, $val, $cond, $full_cond) = @_;
2869 my $hcond = $full_cond->human;
2870 my $where = $var->rdef ($cond)->location;
2872 $ldir = '/' . dirname ($val)
2873 if (!$strip_subdir);
2874 # A library cannot be installed in different directories
2875 # in overlapping conditions.
2876 if (exists $instconds{$val})
2879 $instconds{$val}->ambiguous_p ($val, $full_cond);
2883 error ($where, $msg, partial => 1);
2884 my $dirtxt = "installed " . ($strip_subdir ? "in" : "below") . " `$dir'";
2885 $dirtxt = "built for `$dir'"
2886 if $dir eq 'EXTRA' || $dir eq 'noinst' || $dir eq 'check';
2888 $full_cond->true ? "" : " in condition $hcond";
2890 error ($where, "`$val' should be $dirtxt$dircond ...",
2893 my $hacond = $acond->human;
2894 my $adir = $instdirs{$val}{$acond};
2895 my $adirtxt = "installed in `$adir'";
2896 $adirtxt = "built for `$adir'"
2897 if ($adir eq 'EXTRA' || $adir eq 'noinst'
2898 || $adir eq 'check');
2899 my $adircond = $acond->true ? "" : " in condition $hacond";
2901 my $onlyone = ($dir ne $adir) ?
2902 ("\nLibtool libraries can be built for only one "
2903 . "destination.") : "";
2905 error ($liblocations{$val}{$acond},
2906 "... and should also be $adirtxt$adircond.$onlyone");
2912 $instconds{$val} = new Automake::DisjConditions;
2914 $instdirs{$val}{$full_cond} = $dir;
2915 $instsubdirs{$val}{$full_cond} = $ldir;
2916 $liblocations{$val}{$full_cond} = $where;
2917 $instconds{$val} = $instconds{$val}->merge ($full_cond);
2923 skip_ac_subst => 1);
2926 foreach my $pair (@liblist)
2928 my ($where, $onelib) = @$pair;
2930 my $seen_libobjs = 0;
2931 my $obj = get_object_extension '.lo';
2933 # Canonicalize names and check for misspellings.
2934 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2935 '_SOURCES', '_OBJECTS',
2938 # Check that the library fits the standard naming convention.
2939 my $libname_rx = '^lib.*\.la';
2940 my $ldvar = var ("${xlib}_LDFLAGS") || var ('AM_LDFLAGS');
2941 my $ldvar2 = var ('LDFLAGS');
2942 if (($ldvar && grep (/-module/, $ldvar->value_as_list_recursive))
2943 || ($ldvar2 && grep (/-module/, $ldvar2->value_as_list_recursive)))
2945 # Relax name checking for libtool modules.
2946 $libname_rx = '\.la';
2949 my $bn = basename ($onelib);
2950 if ($bn !~ /$libname_rx$/)
2952 my $type = 'library';
2953 if ($libname_rx eq '\.la')
2955 $bn =~ s/^(lib|)(.*?)(?:\.[^.]*)?$/$1$2.la/;
2960 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.la/;
2962 my $suggestion = dirname ($onelib) . "/$bn";
2963 $suggestion =~ s|^\./||g;
2964 msg ('error-gnu/warn', $where,
2965 "`$onelib' is not a standard libtool $type name\n"
2966 . "did you mean `$suggestion'?")
2969 ($known_libraries{$onelib} = $bn) =~ s/\.la$//;
2971 $where->push_context ("while processing Libtool library `$onelib'");
2972 $where->set (INTERNAL->get);
2974 # Make sure we look at these.
2975 set_seen ($xlib . '_LDFLAGS');
2976 set_seen ($xlib . '_DEPENDENCIES');
2978 # Generate support for conditional object inclusion in
2980 if (var ($xlib . '_LIBADD'))
2982 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2989 &define_variable ($xlib . "_LIBADD", '', $where);
2992 reject_var ("${xlib}_LDADD",
2993 "use `${xlib}_LIBADD', not `${xlib}_LDADD'");
2996 my $linker = &handle_source_transform ($xlib, $onelib, $obj, $where,
2997 NONLIBTOOL => 0, LIBTOOL => 1);
2999 # Determine program to use for link.
3000 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xlib);
3001 $vlink = verbose_flag ($vlink || 'GEN');
3003 my $rpathvar = "am_${xlib}_rpath";
3004 my $rpath = "\$($rpathvar)";
3005 foreach my $rcond ($instconds{$onelib}->conds)
3008 if ($instdirs{$onelib}{$rcond} eq 'EXTRA'
3009 || $instdirs{$onelib}{$rcond} eq 'noinst'
3010 || $instdirs{$onelib}{$rcond} eq 'check')
3012 # It's an EXTRA_ library, so we can't specify -rpath,
3013 # because we don't know where the library will end up.
3014 # The user probably knows, but generally speaking automake
3015 # doesn't -- and in fact configure could decide
3016 # dynamically between two different locations.
3021 $val = ('-rpath $(' . $instdirs{$onelib}{$rcond} . 'dir)');
3022 $val .= $instsubdirs{$onelib}{$rcond}
3023 if defined $instsubdirs{$onelib}{$rcond};
3027 # If $rcond is true there is only one condition and
3028 # there is no point defining an helper variable.
3033 define_pretty_variable ($rpathvar, $rcond, INTERNAL, $val);
3037 # If the resulting library lies into a subdirectory,
3038 # make sure this directory will exist.
3039 my $dirstamp = require_build_directory_maybe ($onelib);
3041 # Remember to cleanup .libs/ in this directory.
3042 my $dirname = dirname $onelib;
3043 $libtool_clean_directories{$dirname} = 1;
3045 $output_rules .= &file_contents ('ltlibrary',
3047 LTLIBRARY => $onelib,
3048 XLTLIBRARY => $xlib,
3052 DIRSTAMP => $dirstamp);
3055 if (var ($xlib . '_LIBADD'))
3057 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
3063 # See if any _SOURCES variable were misspelled.
3066 # It is ok if the user sets this particular variable.
3067 set_seen 'AM_LDFLAGS';
3069 foreach my $primary ('SOURCES', 'LIBADD', 'LDADD', 'LDFLAGS', 'DEPENDENCIES')
3071 foreach my $var (variables $primary)
3073 my $varname = $var->name;
3074 # A configure variable is always legitimate.
3075 next if exists $configure_vars{$varname};
3077 for my $cond ($var->conditions->conds)
3079 $varname =~ /^(?:nobase_)?(?:dist_|nodist_)?(.*)_[[:alnum:]]+$/;
3080 msg_var ('syntax', $var, "variable `$varname' is defined but no"
3081 . " program or\nlibrary has `$1' as canonical name"
3082 . " (possible typo)")
3083 unless $var->rdef ($cond)->seen;
3093 # NOTE we no longer automatically clean SCRIPTS, because it is
3094 # useful to sometimes distribute scripts verbatim. This happens
3095 # e.g. in Automake itself.
3096 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
3097 'bin', 'sbin', 'libexec', 'pkgdata',
3104 ## ------------------------ ##
3105 ## Handling Texinfo files. ##
3106 ## ------------------------ ##
3108 # ($OUTFILE, $VFILE, @CLEAN_FILES)
3109 # &scan_texinfo_file ($FILENAME)
3110 # ------------------------------
3111 # $OUTFILE - name of the info file produced by $FILENAME.
3112 # $VFILE - name of the version.texi file used (undef if none).
3113 # @CLEAN_FILES - list of byproducts (indexes etc.)
3114 sub scan_texinfo_file ($)
3116 my ($filename) = @_;
3118 # Some of the following extensions are always created, no matter
3119 # whether indexes are used or not. Other (like cps, fns, ... pgs)
3120 # are only created when they are used. We used to scan $FILENAME
3121 # for their use, but that is not enough: they could be used in
3122 # included files. We can't scan included files because we don't
3123 # know the include path. Therefore we always erase these files, no
3124 # matter whether they are used or not.
3126 # (tmp is only created if an @macro is used and a certain e-TeX
3127 # feature is not available.)
3128 my %clean_suffixes =
3129 map { $_ => 1 } (qw(aux log toc tmp
3135 pg pgs)); # grep 'new.*index' texinfo.tex
3137 my $texi = new Automake::XFile "< $filename";
3138 verb "reading $filename";
3140 my ($outfile, $vfile);
3141 while ($_ = $texi->getline)
3143 if (/^\@setfilename +(\S+)/)
3145 # Honor only the first @setfilename. (It's possible to have
3146 # more occurrences later if the manual shows examples of how
3147 # to use @setfilename...)
3151 if ($outfile =~ /\.([^.]+)$/ && $1 ne 'info')
3153 error ("$filename:$.",
3154 "output `$outfile' has unrecognized extension");
3158 # A "version.texi" file is actually any file whose name matches
3160 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
3165 # Try to find new or unused indexes.
3167 # Creating a new category of index.
3168 elsif (/^\@def(code)?index (\w+)/)
3170 $clean_suffixes{$2} = 1;
3171 $clean_suffixes{"$2s"} = 1;
3174 # Merging an index into an another.
3175 elsif (/^\@syn(code)?index (\w+) (\w+)/)
3177 delete $clean_suffixes{"$2s"};
3178 $clean_suffixes{"$3s"} = 1;
3185 err_am "`$filename' missing \@setfilename";
3189 my $infobase = basename ($filename);
3190 $infobase =~ s/\.te?xi(nfo)?$//;
3191 return ($outfile, $vfile,
3192 map { "$infobase.$_" } (sort keys %clean_suffixes));
3196 # ($DIRSTAMP, @CLEAN_FILES)
3197 # output_texinfo_build_rules ($SOURCE, $DEST, $INSRC, @DEPENDENCIES)
3198 # ------------------------------------------------------------------
3199 # SOURCE - the source Texinfo file
3200 # DEST - the destination Info file
3201 # INSRC - whether DEST should be built in the source tree
3202 # DEPENDENCIES - known dependencies
3203 sub output_texinfo_build_rules ($$$@)
3205 my ($source, $dest, $insrc, @deps) = @_;
3207 # Split `a.texi' into `a' and `.texi'.
3208 my ($spfx, $ssfx) = ($source =~ /^(.*?)(\.[^.]*)?$/);
3209 my ($dpfx, $dsfx) = ($dest =~ /^(.*?)(\.[^.]*)?$/);
3214 # We can output two kinds of rules: the "generic" rules use Make
3215 # suffix rules and are appropriate when $source and $dest do not lie
3216 # in a sub-directory; the "specific" rules are needed in the other
3219 # The former are output only once (this is not really apparent here,
3220 # but just remember that some logic deeper in Automake will not
3221 # output the same rule twice); while the later need to be output for
3222 # each Texinfo source.
3225 my $sdir = dirname $source;
3226 if ($sdir eq '.' && dirname ($dest) eq '.')
3229 $makeinfoflags = '-I $(srcdir)';
3234 $makeinfoflags = "-I $sdir -I \$(srcdir)/$sdir";
3237 # A directory can contain two kinds of info files: some built in the
3238 # source tree, and some built in the build tree. The rules are
3239 # different in each case. However we cannot output two different
3240 # set of generic rules. Because in-source builds are more usual, we
3241 # use generic rules in this case and fall back to "specific" rules
3242 # for build-dir builds. (It should not be a problem to invert this
3244 $generic = 0 unless $insrc;
3246 # We cannot use a suffix rule to build info files with an empty
3247 # extension. Otherwise we would output a single suffix inference
3248 # rule, with separate dependencies, as in
3252 # foo.info: foo.texi
3254 # which confuse Solaris make. (See the Autoconf manual for
3255 # details.) Therefore we use a specific rule in this case. This
3256 # applies to info files only (dvi and pdf files always have an
3258 my $generic_info = ($generic && $dsfx) ? 1 : 0;
3260 # If the resulting file lie into a subdirectory,
3261 # make sure this directory will exist.
3262 my $dirstamp = require_build_directory_maybe ($dest);
3264 my $dipfx = ($insrc ? '$(srcdir)/' : '') . $dpfx;
3266 $output_rules .= file_contents ('texibuild',
3267 new Automake::Location,
3269 DEST_PREFIX => $dpfx,
3270 DEST_INFO_PREFIX => $dipfx,
3271 DEST_SUFFIX => $dsfx,
3272 DIRSTAMP => $dirstamp,
3273 GENERIC => $generic,
3274 GENERIC_INFO => $generic_info,
3276 MAKEINFOFLAGS => $makeinfoflags,
3279 SOURCE_INFO => ($generic_info
3281 SOURCE_REAL => $source,
3282 SOURCE_SUFFIX => $ssfx,
3284 return ($dirstamp, "$dpfx.dvi", "$dpfx.pdf", "$dpfx.ps", "$dpfx.html");
3288 # ($MOSTLYCLEAN, $TEXICLEAN, $MAINTCLEAN)
3289 # handle_texinfo_helper ($info_texinfos)
3290 # --------------------------------------
3291 # Handle all Texinfo source; helper for handle_texinfo.
3292 sub handle_texinfo_helper ($)
3294 my ($info_texinfos) = @_;
3295 my (@infobase, @info_deps_list, @texi_deps);
3298 my (@mostly_cleans, @texi_cleans, @maint_cleans) = ('', '', '');
3300 # Build a regex matching user-cleaned files.
3301 my $d = var 'DISTCLEANFILES';
3302 my $c = var 'CLEANFILES';
3304 push @f, $d->value_as_list_recursive (inner_expand => 1) if $d;
3305 push @f, $c->value_as_list_recursive (inner_expand => 1) if $c;
3306 @f = map { s|[^A-Za-z_0-9*\[\]\-]|\\$&|g; s|\*|[^/]*|g; $_; } @f;
3307 my $user_cleaned_files = '^(?:' . join ('|', @f) . ')$';
3310 ($info_texinfos->value_as_list_recursive (inner_expand => 1))
3312 my $infobase = $texi;
3313 $infobase =~ s/\.(txi|texinfo|texi)$//;
3315 if ($infobase eq $texi)
3317 # FIXME: report line number.
3318 err_am "texinfo file `$texi' has unrecognized extension";
3322 push @infobase, $infobase;
3324 # If 'version.texi' is referenced by input file, then include
3325 # automatic versioning capability.
3326 my ($out_file, $vtexi, @clean_files) =
3327 scan_texinfo_file ("$relative_dir/$texi")
3329 push (@mostly_cleans, @clean_files);
3331 # If the Texinfo source is in a subdirectory, create the
3332 # resulting info in this subdirectory. If it is in the current
3333 # directory, try hard to not prefix "./" because it breaks the
3335 my $outdir = dirname ($texi) . '/';
3336 $outdir = "" if $outdir eq './';
3337 $out_file = $outdir . $out_file;
3339 # Until Automake 1.6.3, .info files were built in the
3340 # source tree. This was an obstacle to the support of
3341 # non-distributed .info files, and non-distributed .texi
3344 # * Non-distributed .texi files is important in some packages
3345 # where .texi files are built at make time, probably using
3346 # other binaries built in the package itself, maybe using
3347 # tools or information found on the build host. Because
3348 # these files are not distributed they are always rebuilt
3349 # at make time; they should therefore not lie in the source
3350 # directory. One plan was to support this using
3351 # nodist_info_TEXINFOS or something similar. (Doing this
3352 # requires some sanity checks. For instance Automake should
3354 # dist_info_TEXINFOS = foo.texi
3355 # nodist_foo_TEXINFOS = included.texi
3356 # because a distributed file should never depend on a
3357 # non-distributed file.)
3359 # * If .texi files are not distributed, then .info files should
3360 # not be distributed either. There are also cases where one
3361 # wants to distribute .texi files, but does not want to
3362 # distribute the .info files. For instance the Texinfo package
3363 # distributes the tool used to build these files; it would
3364 # be a waste of space to distribute them. It's not clear
3365 # which syntax we should use to indicate that .info files should
3366 # not be distributed. Akim Demaille suggested that eventually
3367 # we switch to a new syntax:
3368 # | Maybe we should take some inspiration from what's already
3369 # | done in the rest of Automake. Maybe there is too much
3370 # | syntactic sugar here, and you want
3371 # | nodist_INFO = bar.info
3372 # | dist_bar_info_SOURCES = bar.texi
3373 # | bar_texi_DEPENDENCIES = foo.texi
3374 # | with a bit of magic to have bar.info represent the whole
3375 # | bar*info set. That's a lot more verbose that the current
3376 # | situation, but it is # not new, hence the user has less
3379 # | But there is still too much room for meaningless specs:
3380 # | nodist_INFO = bar.info
3381 # | dist_bar_info_SOURCES = bar.texi
3382 # | dist_PS = bar.ps something-written-by-hand.ps
3383 # | nodist_bar_ps_SOURCES = bar.texi
3384 # | bar_texi_DEPENDENCIES = foo.texi
3385 # | here bar.texi is dist_ in line 2, and nodist_ in 4.
3387 # Back to the point, it should be clear that in order to support
3388 # non-distributed .info files, we need to build them in the
3389 # build tree, not in the source tree (non-distributed .texi
3390 # files are less of a problem, because we do not output build
3391 # rules for them). In Automake 1.7 .info build rules have been
3392 # largely cleaned up so that .info files get always build in the
3393 # build tree, even when distributed. The idea was that
3394 # (1) if during a VPATH build the .info file was found to be
3395 # absent or out-of-date (in the source tree or in the
3396 # build tree), Make would rebuild it in the build tree.
3397 # If an up-to-date source-tree of the .info file existed,
3398 # make would not rebuild it in the build tree.
3399 # (2) having two copies of .info files, one in the source tree
3400 # and one (newer) in the build tree is not a problem
3401 # because `make dist' always pick files in the build tree
3403 # However it turned out the be a bad idea for several reasons:
3404 # * Tru64, OpenBSD, and FreeBSD (not NetBSD) Make do not behave
3405 # like GNU Make on point (1) above. These implementations
3406 # of Make would always rebuild .info files in the build
3407 # tree, even if such files were up to date in the source
3408 # tree. Consequently, it was impossible to perform a VPATH
3409 # build of a package containing Texinfo files using these
3410 # Make implementations.
3411 # (Refer to the Autoconf Manual, section "Limitation of
3412 # Make", paragraph "VPATH", item "target lookup", for
3413 # an account of the differences between these
3415 # * The GNU Coding Standards require these files to be built
3416 # in the source-tree (when they are distributed, that is).
3417 # * Keeping a fresher copy of distributed files in the
3418 # build tree can be annoying during development because
3419 # - if the files is kept under CVS, you really want it
3420 # to be updated in the source tree
3421 # - it is confusing that `make distclean' does not erase
3422 # all files in the build tree.
3424 # Consequently, starting with Automake 1.8, .info files are
3425 # built in the source tree again. Because we still plan to
3426 # support non-distributed .info files at some point, we
3427 # have a single variable ($INSRC) that controls whether
3428 # the current .info file must be built in the source tree
3429 # or in the build tree. Actually this variable is switched
3430 # off for .info files that appear to be cleaned; this is
3431 # for backward compatibility with package such as Texinfo,
3432 # which do things like
3433 # info_TEXINFOS = texinfo.txi info-stnd.texi info.texi
3434 # DISTCLEANFILES = texinfo texinfo-* info*.info*
3435 # # Do not create info files for distribution.
3437 # in order not to distribute .info files.
3438 my $insrc = ($out_file =~ $user_cleaned_files) ? 0 : 1;
3440 my $soutdir = '$(srcdir)/' . $outdir;
3441 $outdir = $soutdir if $insrc;
3443 # If user specified file_TEXINFOS, then use that as explicit
3446 push (@texi_deps, "$soutdir$vtexi") if $vtexi;
3448 my $canonical = canonicalize ($infobase);
3449 if (var ($canonical . "_TEXINFOS"))
3451 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
3452 push_dist_common ('$(' . $canonical . '_TEXINFOS)');
3455 my ($dirstamp, @cfiles) =
3456 output_texinfo_build_rules ($texi, $out_file, $insrc, @texi_deps);
3457 push (@texi_cleans, @cfiles);
3459 push (@info_deps_list, $out_file);
3461 # If a vers*.texi file is needed, emit the rule.
3464 err_am ("`$vtexi', included in `$texi', "
3465 . "also included in `$versions{$vtexi}'")
3466 if defined $versions{$vtexi};
3467 $versions{$vtexi} = $texi;
3469 # We number the stamp-vti files. This is doable since the
3470 # actual names don't matter much. We only number starting
3471 # with the second one, so that the common case looks nice.
3472 my $vti = ($done ? $done : 'vti');
3475 # This is ugly, but it is our historical practice.
3476 if ($config_aux_dir_set_in_configure_ac)
3478 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3483 require_file_with_macro (TRUE, 'info_TEXINFOS',
3484 FOREIGN, 'mdate-sh');
3488 if ($config_aux_dir_set_in_configure_ac)
3490 $conf_dir = "$am_config_aux_dir/";
3494 $conf_dir = '$(srcdir)/';
3496 $output_rules .= file_contents ('texi-vers',
3497 new Automake::Location,
3500 STAMPVTI => "${soutdir}stamp-$vti",
3501 VTEXI => "$soutdir$vtexi",
3503 DIRSTAMP => $dirstamp);
3507 # Handle location of texinfo.tex.
3508 my $need_texi_file = 0;
3510 if (var ('TEXINFO_TEX'))
3512 # The user defined TEXINFO_TEX so assume he knows what he is
3514 $texinfodir = ('$(srcdir)/'
3515 . dirname (variable_value ('TEXINFO_TEX')));
3517 elsif (option 'cygnus')
3519 $texinfodir = '$(top_srcdir)/../texinfo';
3520 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3522 elsif ($config_aux_dir_set_in_configure_ac)
3524 $texinfodir = $am_config_aux_dir;
3525 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3526 $need_texi_file = 2; # so that we require_conf_file later
3530 $texinfodir = '$(srcdir)';
3531 $need_texi_file = 1;
3533 define_variable ('am__TEXINFO_TEX_DIR', $texinfodir, INTERNAL);
3535 push (@dist_targets, 'dist-info');
3537 if (! option 'no-installinfo')
3539 # Make sure documentation is made and installed first. Use
3540 # $(INFO_DEPS), not 'info', because otherwise recursive makes
3541 # get run twice during "make all".
3542 unshift (@all, '$(INFO_DEPS)');
3545 define_files_variable ("DVIS", @infobase, 'dvi', INTERNAL);
3546 define_files_variable ("PDFS", @infobase, 'pdf', INTERNAL);
3547 define_files_variable ("PSS", @infobase, 'ps', INTERNAL);
3548 define_files_variable ("HTMLS", @infobase, 'html', INTERNAL);
3550 # This next isn't strictly needed now -- the places that look here
3551 # could easily be changed to look in info_TEXINFOS. But this is
3552 # probably better, in case noinst_TEXINFOS is ever supported.
3553 define_variable ("TEXINFOS", variable_value ('info_TEXINFOS'), INTERNAL);
3555 # Do some error checking. Note that this file is not required
3556 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
3558 if ($need_texi_file && ! option 'no-texinfo.tex')
3560 if ($need_texi_file > 1)
3562 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3567 require_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3572 return (makefile_wrap ("", "\t ", @mostly_cleans),
3573 makefile_wrap ("", "\t ", @texi_cleans),
3574 makefile_wrap ("", "\t ", @maint_cleans));
3580 # Handle all Texinfo source.
3581 sub handle_texinfo ()
3583 reject_var 'TEXINFOS', "`TEXINFOS' is an anachronism; use `info_TEXINFOS'";
3584 # FIXME: I think this is an obsolete future feature name.
3585 reject_var 'html_TEXINFOS', "HTML generation not yet supported";
3587 my $info_texinfos = var ('info_TEXINFOS');
3588 my ($mostlyclean, $clean, $maintclean) = ('', '', '');
3591 ($mostlyclean, $clean, $maintclean) = handle_texinfo_helper ($info_texinfos);
3597 $output_rules .= file_contents ('texinfos',
3598 new Automake::Location,
3599 MOSTLYCLEAN => $mostlyclean,
3600 TEXICLEAN => $clean,
3601 MAINTCLEAN => $maintclean,
3602 'LOCAL-TEXIS' => !!$info_texinfos);
3606 # Handle any man pages.
3607 sub handle_man_pages
3609 reject_var 'MANS', "`MANS' is an anachronism; use `man_MANS'";
3611 # Find all the sections in use. We do this by first looking for
3612 # "standard" sections, and then looking for any additional
3613 # sections used in man_MANS.
3614 my (%sections, %notrans_sections, %trans_sections,
3615 %notrans_vars, %trans_vars, %notrans_sect_vars, %trans_sect_vars);
3616 # We handle nodist_ for uniformity. man pages aren't distributed
3617 # by default so it isn't actually very important.
3618 foreach my $npfx ('', 'notrans_')
3620 foreach my $pfx ('', 'dist_', 'nodist_')
3622 # Add more sections as needed.
3623 foreach my $section ('0'..'9', 'n', 'l')
3625 my $varname = $npfx . $pfx . 'man' . $section . '_MANS';
3628 $sections{$section} = 1;
3629 $varname = '$(' . $varname . ')';
3630 if ($npfx eq 'notrans_')
3632 $notrans_sections{$section} = 1;
3633 $notrans_sect_vars{$varname} = 1;
3637 $trans_sections{$section} = 1;
3638 $trans_sect_vars{$varname} = 1;
3641 &push_dist_common ($varname)
3646 my $varname = $npfx . $pfx . 'man_MANS';
3647 my $var = var ($varname);
3650 foreach ($var->value_as_list_recursive)
3652 # A page like `foo.1c' goes into man1dir.
3653 if (/\.([0-9a-z])([a-z]*)$/)
3656 if ($npfx eq 'notrans_')
3658 $notrans_sections{$1} = 1;
3662 $trans_sections{$1} = 1;
3667 $varname = '$(' . $varname . ')';
3668 if ($npfx eq 'notrans_')
3670 $notrans_vars{$varname} = 1;
3674 $trans_vars{$varname} = 1;
3676 &push_dist_common ($varname)
3682 return unless %sections;
3686 # Build section independent variables.
3687 my $have_notrans = %notrans_vars;
3688 my @notrans_list = sort keys %notrans_vars;
3689 my $have_trans = %trans_vars;
3690 my @trans_list = sort keys %trans_vars;
3692 # Now for each section, generate an install and uninstall rule.
3693 # Sort sections so output is deterministic.
3694 foreach my $section (sort keys %sections)
3696 # Build section dependent variables.
3697 my $notrans_mans = $have_notrans || exists $notrans_sections{$section};
3698 my $trans_mans = $have_trans || exists $trans_sections{$section};
3699 my (%notrans_this_sect, %trans_this_sect);
3700 my $expr = 'man' . $section . '_MANS';
3701 foreach my $varname (keys %notrans_sect_vars)
3703 if ($varname =~ /$expr/)
3705 $notrans_this_sect{$varname} = 1;
3708 foreach my $varname (keys %trans_sect_vars)
3710 if ($varname =~ /$expr/)
3712 $trans_this_sect{$varname} = 1;
3715 my @notrans_sect_list = sort keys %notrans_this_sect;
3716 my @trans_sect_list = sort keys %trans_this_sect;
3717 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3718 keys %notrans_this_sect, keys %trans_this_sect);
3719 my @deps = sort @unsorted_deps;
3720 $output_rules .= &file_contents ('mans',
3721 new Automake::Location,
3722 SECTION => $section,
3724 NOTRANS_MANS => $notrans_mans,
3725 NOTRANS_SECT_LIST => "@notrans_sect_list",
3726 HAVE_NOTRANS => $have_notrans,
3727 NOTRANS_LIST => "@notrans_list",
3728 TRANS_MANS => $trans_mans,
3729 TRANS_SECT_LIST => "@trans_sect_list",
3730 HAVE_TRANS => $have_trans,
3731 TRANS_LIST => "@trans_list");
3734 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3735 keys %notrans_sect_vars, keys %trans_sect_vars);
3736 my @mans = sort @unsorted_deps;
3737 $output_vars .= file_contents ('mans-vars',
3738 new Automake::Location,
3741 push (@all, '$(MANS)')
3742 unless option 'no-installman';
3745 # Handle DATA variables.
3748 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
3749 'data', 'dataroot', 'dvi', 'html', 'pdf', 'ps',
3750 'sysconf', 'sharedstate', 'localstate',
3751 'pkgdata', 'lisp', 'noinst', 'check');
3759 if (var ('SUBDIRS'))
3761 $output_rules .= ("tags-recursive:\n"
3762 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
3763 # Never fail here if a subdir fails; it
3765 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3766 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
3768 push (@tag_deps, 'tags-recursive');
3769 &depend ('.PHONY', 'tags-recursive');
3770 &depend ('.MAKE', 'tags-recursive');
3772 $output_rules .= ("ctags-recursive:\n"
3773 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
3774 # Never fail here if a subdir fails; it
3776 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3777 . " && \$(MAKE) \$(AM_MAKEFLAGS) ctags); \\\n"
3779 push (@ctag_deps, 'ctags-recursive');
3780 &depend ('.PHONY', 'ctags-recursive');
3781 &depend ('.MAKE', 'ctags-recursive');
3784 if (&saw_sources_p (1)
3785 || var ('ETAGS_ARGS')
3789 foreach my $spec (@config_headers)
3791 my ($out, @ins) = split_config_file_spec ($spec);
3792 foreach my $in (@ins)
3794 # If the config header source is in this directory,
3796 push @config, basename ($in)
3797 if $relative_dir eq dirname ($in);
3800 $output_rules .= &file_contents ('tags',
3801 new Automake::Location,
3802 CONFIG => "@config",
3803 TAGSDIRS => "@tag_deps",
3804 CTAGSDIRS => "@ctag_deps");
3806 set_seen 'TAGS_DEPENDENCIES';
3808 elsif (reject_var ('TAGS_DEPENDENCIES',
3809 "doesn't make sense to define `TAGS_DEPENDENCIES'"
3810 . "without\nsources or `ETAGS_ARGS'"))
3815 # Every Makefile must define some sort of TAGS rule.
3816 # Otherwise, it would be possible for a top-level "make TAGS"
3817 # to fail because some subdirectory failed.
3818 $output_rules .= "tags: TAGS\nTAGS:\n\n";
3820 $output_rules .= "ctags: CTAGS\nCTAGS:\n\n";
3824 # Handle multilib support.
3827 if ($seen_multilib && $relative_dir eq '.')
3829 $output_rules .= &file_contents ('multilib', new Automake::Location);
3830 push (@all, 'all-multi');
3835 # user_phony_rule ($NAME)
3836 # -----------------------
3837 # Return false if rule $NAME does not exist. Otherwise,
3838 # declare it as phony, complete its definition (in case it is
3839 # conditional), and return its Automake::Rule instance.
3840 sub user_phony_rule ($)
3843 my $rule = rule $name;
3846 depend ('.PHONY', $name);
3847 # Define $NAME in all condition where it is not already defined,
3848 # so that it is always OK to depend on $NAME.
3849 for my $c ($rule->not_always_defined_in_cond (TRUE)->conds)
3851 Automake::Rule::define ($name, 'internal', RULE_AUTOMAKE,
3853 $output_rules .= $c->subst_string . "$name:\n";
3861 # &for_dist_common ($A, $B)
3862 # -------------------------
3863 # Subroutine for &handle_dist: sort files to dist.
3865 # We put README first because it then becomes easier to make a
3866 # Usenet-compliant shar file (in these, README must be first).
3868 # FIXME: do more ordering of files here.
3882 # Handle 'dist' target.
3885 # Substitutions for distdir.am
3888 # Define DIST_SUBDIRS. This must always be done, regardless of the
3889 # no-dist setting: target like `distclean' or `maintainer-clean' use it.
3890 my $subdirs = var ('SUBDIRS');
3893 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3894 # to all possible directories, and use it. If DIST_SUBDIRS is
3895 # defined, just use it.
3897 # Note that we check DIST_SUBDIRS first on purpose, so that
3898 # we don't call has_conditional_contents for now reason.
3899 # (In the past one project used so many conditional subdirectories
3900 # that calling has_conditional_contents on SUBDIRS caused
3901 # automake to grow to 150Mb -- this should not happen with
3902 # the current implementation of has_conditional_contents,
3903 # but it's more efficient to avoid the call anyway.)
3904 if (var ('DIST_SUBDIRS'))
3907 elsif ($subdirs->has_conditional_contents)
3909 define_pretty_variable
3910 ('DIST_SUBDIRS', TRUE, INTERNAL,
3911 uniq ($subdirs->value_as_list_recursive));
3915 # We always define this because that is what `distclean'
3917 define_pretty_variable ('DIST_SUBDIRS', TRUE, INTERNAL,
3922 # The remaining definitions are only required when a dist target is used.
3923 return if option 'no-dist';
3925 # At least one of the archive formats must be enabled.
3926 if ($relative_dir eq '.')
3928 my $archive_defined = option 'no-dist-gzip' ? 0 : 1;
3929 $archive_defined ||=
3930 grep { option "dist-$_" } qw(shar zip tarZ bzip2 lzma xz);
3931 error (option 'no-dist-gzip',
3932 "no-dist-gzip specified but no dist-* specified, "
3933 . "at least one archive format must be enabled")
3934 unless $archive_defined;
3937 # Look for common files that should be included in distribution.
3938 # If the aux dir is set, and it does not have a Makefile.am, then
3939 # we check for these files there as well.
3941 if ($relative_dir eq '.'
3942 && $config_aux_dir_set_in_configure_ac)
3944 if (! &is_make_dir ($config_aux_dir))
3949 foreach my $cfile (@common_files)
3951 if (dir_has_case_matching_file ($relative_dir, $cfile)
3952 # The file might be absent, but if it can be built it's ok.
3955 &push_dist_common ($cfile);
3958 # Don't use `elsif' here because a file might meaningfully
3959 # appear in both directories.
3960 if ($check_aux && dir_has_case_matching_file ($config_aux_dir, $cfile))
3962 &push_dist_common ("$config_aux_dir/$cfile")
3966 # We might copy elements from $configure_dist_common to
3967 # %dist_common if we think we need to. If the file appears in our
3968 # directory, we would have discovered it already, so we don't
3969 # check that. But if the file is in a subdir without a Makefile,
3970 # we want to distribute it here if we are doing `.'. Ugly!
3971 if ($relative_dir eq '.')
3973 foreach my $file (split (' ' , $configure_dist_common))
3975 push_dist_common ($file)
3976 unless is_make_dir (dirname ($file));
3980 # Files to distributed. Don't use ->value_as_list_recursive
3981 # as it recursively expands `$(dist_pkgdata_DATA)' etc.
3982 my @dist_common = split (' ', rvar ('DIST_COMMON')->variable_value);
3983 @dist_common = uniq (sort for_dist_common (@dist_common));
3984 variable_delete 'DIST_COMMON';
3985 define_pretty_variable ('DIST_COMMON', TRUE, INTERNAL, @dist_common);
3987 # Now that we've processed DIST_COMMON, disallow further attempts
3989 $handle_dist_run = 1;
3991 # Scan EXTRA_DIST to see if we need to distribute anything from a
3992 # subdir. If so, add it to the list. I didn't want to do this
3993 # originally, but there were so many requests that I finally
3995 my $extra_dist = var ('EXTRA_DIST');
3997 $transform{'DISTCHECK-HOOK'} = !! rule 'distcheck-hook';
3998 $transform{'GETTEXT'} = $seen_gettext && !$seen_gettext_external;
4000 # If the target `dist-hook' exists, make sure it is run. This
4001 # allows users to do random weird things to the distribution
4002 # before it is packaged up.
4003 push (@dist_targets, 'dist-hook')
4004 if user_phony_rule 'dist-hook';
4005 $transform{'DIST-TARGETS'} = join (' ', @dist_targets);
4007 my $flm = option ('filename-length-max');
4008 my $filename_filter = $flm ? '.' x $flm->[1] : '';
4010 $output_rules .= &file_contents ('distdir',
4011 new Automake::Location,
4013 FILENAME_FILTER => $filename_filter);
4017 # check_directory ($NAME, $WHERE)
4018 # -------------------------------
4019 # Ensure $NAME is a directory, and that it uses a sane name.
4020 # Use $WHERE as a location in the diagnostic, if any.
4021 sub check_directory ($$)
4023 my ($dir, $where) = @_;
4025 error $where, "required directory $relative_dir/$dir does not exist"
4026 unless -d "$relative_dir/$dir";
4028 # If an `obj/' directory exists, BSD make will enter it before
4029 # reading `Makefile'. Hence the `Makefile' in the current directory
4035 # % cat obj/Makefile
4041 # % pmake # BSD make
4044 msg ('portability', $where,
4045 "naming a subdirectory `obj' causes troubles with BSD make")
4048 # `aux' is probably the most important of the following forbidden name,
4049 # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
4050 msg ('portability', $where,
4051 "name `$dir' is reserved on W32 and DOS platforms")
4052 if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
4055 # check_directories_in_var ($VARIABLE)
4056 # ------------------------------------
4057 # Recursively check all items in variables $VARIABLE as directories
4058 sub check_directories_in_var ($)
4061 $var->traverse_recursively
4064 my ($var, $val, $cond, $full_cond) = @_;
4065 check_directory ($val, $var->rdef ($cond)->location);
4069 skip_ac_subst => 1);
4072 # &handle_subdirs ()
4073 # ------------------
4074 # Handle subdirectories.
4075 sub handle_subdirs ()
4077 my $subdirs = var ('SUBDIRS');
4081 check_directories_in_var $subdirs;
4083 my $dsubdirs = var ('DIST_SUBDIRS');
4084 check_directories_in_var $dsubdirs
4087 $output_rules .= &file_contents ('subdirs', new Automake::Location);
4088 rvar ('RECURSIVE_TARGETS')->rdef (TRUE)->{'pretty'} = VAR_SORTED; # Gross!
4092 # ($REGEN, @DEPENDENCIES)
4095 # If aclocal.m4 creation is automated, return the list of its dependencies.
4096 sub scan_aclocal_m4 ()
4098 my $regen_aclocal = 0;
4100 set_seen 'CONFIG_STATUS_DEPENDENCIES';
4101 set_seen 'CONFIGURE_DEPENDENCIES';
4103 if (-f 'aclocal.m4')
4105 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
4107 my $aclocal = new Automake::XFile "< aclocal.m4";
4108 my $line = $aclocal->getline;
4109 $regen_aclocal = $line =~ 'generated automatically by aclocal';
4114 if (set_seen ('ACLOCAL_M4_SOURCES'))
4116 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
4117 msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
4118 "`ACLOCAL_M4_SOURCES' is obsolete.\n"
4119 . "It should be safe to simply remove it.");
4122 # Note that it might be possible that aclocal.m4 doesn't exist but
4123 # should be auto-generated. This case probably isn't very
4126 return ($regen_aclocal, @ac_deps);
4130 # Helper function for substitute_ac_subst_variables.
4131 sub substitute_ac_subst_variables_worker($)
4134 return "\@$token\@" if var $token;
4135 return "\${$token\}";
4138 # substitute_ac_subst_variables ($TEXT)
4139 # -------------------------------------
4140 # Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
4142 sub substitute_ac_subst_variables ($)
4145 $text =~ s/\${([^ \t=:+{}]+)}/&substitute_ac_subst_variables_worker ($1)/ge;
4150 # &prepend_srcdir (@INPUTS)
4151 # -------------------------
4152 # Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
4153 # if an input file has a directory part the same as the current
4154 # directory, then the directory part is simply replaced by $(srcdir).
4155 # But if the directory part is different, then $(top_srcdir) is
4157 sub prepend_srcdir (@)
4162 foreach my $single (@inputs)
4164 if (dirname ($single) eq $relative_dir)
4166 push (@newinputs, '$(srcdir)/' . basename ($single));
4170 push (@newinputs, '$(top_srcdir)/' . $single);
4177 # rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
4178 # ---------------------------------------------------
4179 # Compute a list of dependencies appropriate for the rebuild
4181 # AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
4182 # Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
4183 sub rewrite_inputs_into_dependencies ($@)
4185 my ($file, @inputs) = @_;
4190 # We cannot create dependencies on shell variables.
4191 next if (substitute_ac_subst_variables $i) =~ /\$/;
4193 if (exists $ac_config_files_location{$i} && $i ne $file)
4195 my $di = dirname $i;
4196 if ($di eq $relative_dir)
4200 # In the top-level Makefile we do not use $(top_builddir), because
4201 # we are already there, and since the targets are built without
4202 # a $(top_builddir), it helps BSD Make to match them with
4204 elsif ($relative_dir ne '.')
4206 $i = '$(top_builddir)/' . $i;
4211 msg ('error', $ac_config_files_location{$file},
4212 "required file `$i' not found")
4213 unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
4214 ($i) = prepend_srcdir ($i);
4215 push_dist_common ($i);
4224 # &handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
4225 # ------------------------------------------------------------------
4226 # Handle remaking and configure stuff.
4227 # We need the name of the input file, to do proper remaking rules.
4228 sub handle_configure ($$$@)
4230 my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
4232 prog_error 'empty @inputs'
4235 my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
4237 my $rel_makefile = basename $makefile;
4239 my $colon_infile = ':' . join (':', @inputs);
4240 $colon_infile = '' if $colon_infile eq ":$makefile.in";
4241 my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
4242 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
4243 define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
4244 @configure_deps, @aclocal_m4_deps,
4245 '$(top_srcdir)/' . $configure_ac);
4246 my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
4247 push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
4248 define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
4251 my $automake_options = '--' . (global_option 'cygnus' ? 'cygnus' : $strictness_name)
4252 . (global_option 'no-dependencies' ? ' --ignore-deps' : '');
4254 $output_rules .= file_contents
4256 new Automake::Location,
4257 MAKEFILE => $rel_makefile,
4258 'MAKEFILE-DEPS' => "@rewritten",
4259 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
4260 'MAKEFILE-IN' => $rel_makefile_in,
4261 'MAKEFILE-IN-DEPS' => "@include_stack",
4262 'MAKEFILE-AM' => $rel_makefile_am,
4263 'AUTOMAKE-OPTIONS' => $automake_options,
4264 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
4265 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
4266 VERBOSE => verbose_flag ('GEN'));
4268 if ($relative_dir eq '.')
4270 &push_dist_common ('acconfig.h')
4274 # If we have a configure header, require it.
4276 my @distclean_config;
4277 foreach my $spec (@config_headers)
4280 # $CONFIG_H_PATH: config.h from top level.
4281 my ($config_h_path, @ins) = split_config_file_spec ($spec);
4282 my $config_h_dir = dirname ($config_h_path);
4284 # If the header is in the current directory we want to build
4285 # the header here. Otherwise, if we're at the topmost
4286 # directory and the header's directory doesn't have a
4287 # Makefile, then we also want to build the header.
4288 if ($relative_dir eq $config_h_dir
4289 || ($relative_dir eq '.' && ! &is_make_dir ($config_h_dir)))
4291 my ($cn_sans_dir, $stamp_dir);
4292 if ($relative_dir eq $config_h_dir)
4294 $cn_sans_dir = basename ($config_h_path);
4299 $cn_sans_dir = $config_h_path;
4300 if ($config_h_dir eq '.')
4306 $stamp_dir = $config_h_dir . '/';
4310 # This will also distribute all inputs.
4311 @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
4313 # Cannot define rebuild rules for filenames with shell variables.
4314 next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
4316 # Header defined in this directory.
4318 if (-f $config_h_path . '.top')
4320 push (@files, "$cn_sans_dir.top");
4322 if (-f $config_h_path . '.bot')
4324 push (@files, "$cn_sans_dir.bot");
4327 push_dist_common (@files);
4329 # For now, acconfig.h can only appear in the top srcdir.
4330 if (-f 'acconfig.h')
4332 push (@files, '$(top_srcdir)/acconfig.h');
4335 my $stamp = "${stamp_dir}stamp-h${hdr_index}";
4337 file_contents ('remake-hdr',
4338 new Automake::Location,
4340 CONFIG_H => $cn_sans_dir,
4341 CONFIG_HIN => $ins[0],
4342 CONFIG_H_DEPS => "@ins",
4343 CONFIG_H_PATH => $config_h_path,
4346 push @distclean_config, $cn_sans_dir, $stamp;
4350 $output_rules .= file_contents ('clean-hdr',
4351 new Automake::Location,
4352 FILES => "@distclean_config")
4353 if @distclean_config;
4355 # Distribute and define mkinstalldirs only if it is already present
4356 # in the package, for backward compatibility (some people may still
4357 # use $(mkinstalldirs)).
4358 my $mkidpath = "$config_aux_dir/mkinstalldirs";
4361 # Use require_file so that any existing script gets updated
4362 # by --force-missing.
4363 require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
4364 define_variable ('mkinstalldirs',
4365 "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
4369 # Use $(install_sh), not $(MKDIR_P) because the latter requires
4370 # at least one argument, and $(mkinstalldirs) used to work
4371 # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
4372 define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
4375 reject_var ('CONFIG_HEADER',
4376 "`CONFIG_HEADER' is an anachronism; now determined "
4377 . "automatically\nfrom `$configure_ac'");
4380 foreach my $spec (@config_headers)
4382 my ($out, @ins) = split_config_file_spec ($spec);
4383 # Generate CONFIG_HEADER define.
4384 if ($relative_dir eq dirname ($out))
4386 push @config_h, basename ($out);
4390 push @config_h, "\$(top_builddir)/$out";
4393 define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
4396 # Now look for other files in this directory which must be remade
4397 # by config.status, and generate rules for them.
4398 my @actual_other_files = ();
4399 # These get cleaned only in a VPATH build.
4400 my @actual_other_vpath_files = ();
4401 foreach my $lfile (@other_input_files)
4405 if ($lfile =~ /^([^:]*):(.*)$/)
4407 # This is the ":" syntax of AC_OUTPUT.
4409 @inputs = split (':', $2);
4415 @inputs = $file . '.in';
4418 # Automake files should not be stored in here, but in %MAKE_LIST.
4419 prog_error ("$lfile in \@other_input_files\n"
4420 . "\@other_input_files = (@other_input_files)")
4421 if -f $file . '.am';
4423 my $local = basename ($file);
4425 # We skip files that aren't in this directory. However, if
4426 # the file's directory does not have a Makefile, and we are
4427 # currently doing `.', then we create a rule to rebuild the
4428 # file in the subdir.
4429 my $fd = dirname ($file);
4430 if ($fd ne $relative_dir)
4432 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4442 my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
4444 # Cannot output rules for shell variables.
4445 next if (substitute_ac_subst_variables $local) =~ /\$/;
4448 my $cond = $ac_config_files_condition{$lfile};
4451 $condstr = $cond->subst_string;
4452 Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
4453 $ac_config_files_location{$file});
4455 $output_rules .= ($condstr . $local . ': '
4456 . '$(top_builddir)/config.status '
4457 . "@rewritten_inputs\n"
4459 . 'cd $(top_builddir) && '
4460 . '$(SHELL) ./config.status '
4461 . ($relative_dir eq '.' ? '' : '$(subdir)/')
4464 push (@actual_other_files, $local);
4467 # For links we should clean destinations and distribute sources.
4468 foreach my $spec (@config_links)
4470 my ($link, $file) = split /:/, $spec;
4471 # Some people do AC_CONFIG_LINKS($computed). We only handle
4472 # the DEST:SRC form.
4474 my $where = $ac_config_files_location{$link};
4476 # Skip destinations that contain shell variables.
4477 if ((substitute_ac_subst_variables $link) !~ /\$/)
4479 # We skip links that aren't in this directory. However, if
4480 # the link's directory does not have a Makefile, and we are
4481 # currently doing `.', then we add the link to CONFIG_CLEAN_FILES
4482 # in `.'s Makefile.in.
4483 my $local = basename ($link);
4484 my $fd = dirname ($link);
4485 if ($fd ne $relative_dir)
4487 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4498 push @actual_other_files, $local if $local;
4502 push @actual_other_vpath_files, $local if $local;
4506 # Do not process sources that contain shell variables.
4507 if ((substitute_ac_subst_variables $file) !~ /\$/)
4509 my $fd = dirname ($file);
4511 # We distribute files that are in this directory.
4512 # At the top-level (`.') we also distribute files whose
4513 # directory does not have a Makefile.
4514 if (($fd eq $relative_dir)
4515 || ($relative_dir eq '.' && ! &is_make_dir ($fd)))
4517 # The following will distribute $file as a side-effect when
4518 # it is appropriate (i.e., when $file is not already an output).
4519 # We do not need the result, just the side-effect.
4520 rewrite_inputs_into_dependencies ($link, $file);
4525 # These files get removed by "make distclean".
4526 define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
4527 @actual_other_files);
4528 define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
4529 @actual_other_vpath_files);
4535 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
4536 'oldinclude', 'pkginclude',
4540 next unless $_->[1] =~ /\..*$/;
4541 &saw_extension ($&);
4547 return if ! $seen_gettext || $relative_dir ne '.';
4549 my $subdirs = var 'SUBDIRS';
4553 err_ac "AM_GNU_GETTEXT used but SUBDIRS not defined";
4557 # Perform some sanity checks to help users get the right setup.
4558 # We disable these tests when po/ doesn't exist in order not to disallow
4559 # unusual gettext setups.
4564 # | 1) If a package doesn't have a directory po/ at top level, it
4565 # | will likely have multiple po/ directories in subpackages.
4567 # | 2) It is useful to warn for the absence of intl/ if AM_GNU_GETTEXT
4568 # | is used without 'external'. It is also useful to warn for the
4569 # | presence of intl/ if AM_GNU_GETTEXT([external]) is used. Both
4570 # | warnings apply only to the usual layout of packages, therefore
4571 # | they should both be disabled if no po/ directory is found at
4576 my @subdirs = $subdirs->value_as_list_recursive;
4578 msg_var ('syntax', $subdirs,
4579 "AM_GNU_GETTEXT used but `po' not in SUBDIRS")
4580 if ! grep ($_ eq 'po', @subdirs);
4582 # intl/ is not required when AM_GNU_GETTEXT is called with the
4583 # `external' option and AM_GNU_GETTEXT_INTL_SUBDIR is not called.
4584 msg_var ('syntax', $subdirs,
4585 "AM_GNU_GETTEXT used but `intl' not in SUBDIRS")
4586 if (! ($seen_gettext_external && ! $seen_gettext_intl)
4587 && ! grep ($_ eq 'intl', @subdirs));
4589 # intl/ should not be used with AM_GNU_GETTEXT([external]), except
4590 # if AM_GNU_GETTEXT_INTL_SUBDIR is called.
4591 msg_var ('syntax', $subdirs,
4592 "`intl' should not be in SUBDIRS when "
4593 . "AM_GNU_GETTEXT([external]) is used")
4594 if ($seen_gettext_external && ! $seen_gettext_intl
4595 && grep ($_ eq 'intl', @subdirs));
4598 require_file ($ac_gettext_location, GNU, 'ABOUT-NLS');
4601 # Handle footer elements.
4604 reject_rule ('.SUFFIXES',
4605 "use variable `SUFFIXES', not target `.SUFFIXES'");
4607 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
4608 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
4609 # anything else, by sticking it right after the default: target.
4610 $output_header .= ".SUFFIXES:\n";
4611 my $suffixes = var 'SUFFIXES';
4612 my @suffixes = Automake::Rule::suffixes;
4613 if (@suffixes || $suffixes)
4615 # Make sure SUFFIXES has unique elements. Sort them to ensure
4616 # the output remains consistent. However, $(SUFFIXES) is
4617 # always at the start of the list, unsorted. This is done
4618 # because make will choose rules depending on the ordering of
4619 # suffixes, and this lets the user have some control. Push
4620 # actual suffixes, and not $(SUFFIXES). Some versions of make
4621 # do not like variable substitutions on the .SUFFIXES line.
4622 my @user_suffixes = ($suffixes
4623 ? $suffixes->value_as_list_recursive : ());
4625 my %suffixes = map { $_ => 1 } @suffixes;
4626 delete @suffixes{@user_suffixes};
4628 $output_header .= (".SUFFIXES: "
4629 . join (' ', @user_suffixes, sort keys %suffixes)
4633 $output_trailer .= file_contents ('footer', new Automake::Location);
4637 # Generate `make install' rules.
4638 sub handle_install ()
4640 $output_rules .= &file_contents
4642 new Automake::Location,
4643 maybe_BUILT_SOURCES => (set_seen ('BUILT_SOURCES')
4644 ? (" \$(BUILT_SOURCES)\n"
4645 . "\t\$(MAKE) \$(AM_MAKEFLAGS)")
4647 'installdirs-local' => (user_phony_rule 'installdirs-local'
4648 ? ' installdirs-local' : ''),
4649 am__installdirs => variable_value ('am__installdirs') || '');
4653 # Deal with all and all-am.
4656 my ($makefile) = @_;
4660 # Put this at the beginning for the sake of non-GNU makes. This
4661 # is still wrong if these makes can run parallel jobs. But it is
4663 unshift (@all, basename ($makefile));
4665 foreach my $spec (@config_headers)
4667 my ($out, @ins) = split_config_file_spec ($spec);
4668 push (@all, basename ($out))
4669 if dirname ($out) eq $relative_dir;
4672 # Install `all' hooks.
4673 push (@all, "all-local")
4674 if user_phony_rule "all-local";
4676 &pretty_print_rule ("all-am:", "\t\t", @all);
4677 &depend ('.PHONY', 'all-am', 'all');
4682 my @local_headers = ();
4683 push @local_headers, '$(BUILT_SOURCES)'
4684 if var ('BUILT_SOURCES');
4685 foreach my $spec (@config_headers)
4687 my ($out, @ins) = split_config_file_spec ($spec);
4688 push @local_headers, basename ($out)
4689 if dirname ($out) eq $relative_dir;
4694 # We need to make sure config.h is built before we recurse.
4695 # We also want to make sure that built sources are built
4696 # before any ordinary `all' targets are run. We can't do this
4697 # by changing the order of dependencies to the "all" because
4698 # that breaks when using parallel makes. Instead we handle
4699 # things explicitly.
4700 $output_all .= ("all: @local_headers"
4702 . '$(MAKE) $(AM_MAKEFLAGS) '
4703 . (var ('SUBDIRS') ? 'all-recursive' : 'all-am')
4705 depend ('.MAKE', 'all');
4709 $output_all .= "all: " . (var ('SUBDIRS')
4710 ? 'all-recursive' : 'all-am') . "\n\n";
4715 # &do_check_merge_target ()
4716 # -------------------------
4717 # Handle check merge target specially.
4718 sub do_check_merge_target ()
4720 # Include user-defined local form of target.
4721 push @check_tests, 'check-local'
4722 if user_phony_rule 'check-local';
4724 # In --cygnus mode, check doesn't depend on all.
4725 if (option 'cygnus')
4727 # Just run the local check rules.
4728 pretty_print_rule ('check-am:', "\t\t", @check);
4732 # The check target must depend on the local equivalent of
4733 # `all', to ensure all the primary targets are built. Then it
4734 # must build the local check rules.
4735 $output_rules .= "check-am: all-am\n";
4738 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4740 depend ('.MAKE', 'check-am');
4745 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4747 depend ('.MAKE', 'check-am');
4750 depend '.PHONY', 'check', 'check-am';
4751 # Handle recursion. We have to honor BUILT_SOURCES like for `all:'.
4752 $output_rules .= ("check: "
4753 . (var ('BUILT_SOURCES')
4754 ? "\$(BUILT_SOURCES)\n\t\$(MAKE) \$(AM_MAKEFLAGS) "
4756 . (var ('SUBDIRS') ? 'check-recursive' : 'check-am')
4758 depend ('.MAKE', 'check')
4759 if var ('BUILT_SOURCES');
4762 # handle_clean ($MAKEFILE)
4763 # ------------------------
4764 # Handle all 'clean' targets.
4765 sub handle_clean ($)
4767 my ($makefile) = @_;
4769 # Clean the files listed in user variables if they exist.
4770 $clean_files{'$(MOSTLYCLEANFILES)'} = MOSTLY_CLEAN
4771 if var ('MOSTLYCLEANFILES');
4772 $clean_files{'$(CLEANFILES)'} = CLEAN
4773 if var ('CLEANFILES');
4774 $clean_files{'$(DISTCLEANFILES)'} = DIST_CLEAN
4775 if var ('DISTCLEANFILES');
4776 $clean_files{'$(MAINTAINERCLEANFILES)'} = MAINTAINER_CLEAN
4777 if var ('MAINTAINERCLEANFILES');
4779 # Built sources are automatically removed by maintainer-clean.
4780 $clean_files{'$(BUILT_SOURCES)'} = MAINTAINER_CLEAN
4781 if var ('BUILT_SOURCES');
4783 # Compute a list of "rm"s to run for each target.
4784 my %rms = (MOSTLY_CLEAN, [],
4787 MAINTAINER_CLEAN, []);
4789 foreach my $file (keys %clean_files)
4791 my $when = $clean_files{$file};
4792 prog_error 'invalid entry in %clean_files'
4793 unless exists $rms{$when};
4795 my $rm = "rm -f $file";
4796 # If file is a variable, make sure when don't call `rm -f' without args.
4797 $rm ="test -z \"$file\" || $rm"
4798 if ($file =~ /^\s*\$(\(.*\)|\{.*\})\s*$/);
4800 push @{$rms{$when}}, "\t-$rm\n";
4803 $output_rules .= &file_contents
4805 new Automake::Location,
4806 MOSTLYCLEAN_RMS => join ('', sort @{$rms{&MOSTLY_CLEAN}}),
4807 CLEAN_RMS => join ('', sort @{$rms{&CLEAN}}),
4808 DISTCLEAN_RMS => join ('', sort @{$rms{&DIST_CLEAN}}),
4809 MAINTAINER_CLEAN_RMS => join ('', sort @{$rms{&MAINTAINER_CLEAN}}),
4810 MAKEFILE => basename $makefile,
4815 # &target_cmp ($A, $B)
4816 # --------------------
4817 # Subroutine for &handle_factored_dependencies to let `.PHONY' and
4818 # other `.TARGETS' be last.
4821 return 0 if $a eq $b;
4823 my $a1 = substr ($a, 0, 1);
4824 my $b1 = substr ($b, 0, 1);
4827 return -1 if $b1 eq '.';
4828 return 1 if $a1 eq '.';
4834 # &handle_factored_dependencies ()
4835 # --------------------------------
4836 # Handle everything related to gathered targets.
4837 sub handle_factored_dependencies
4840 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
4841 'uninstall-exec-local', 'uninstall-exec-hook',
4842 'uninstall-dvi-local',
4843 'uninstall-html-local',
4844 'uninstall-info-local',
4845 'uninstall-pdf-local',
4846 'uninstall-ps-local')
4850 reject_rule ($utarg, "use `$x', not `$utarg'");
4853 reject_rule ('install-local',
4854 "use `install-data-local' or `install-exec-local', "
4855 . "not `install-local'");
4857 reject_rule ('install-hook',
4858 "use `install-data-hook' or `install-exec-hook', "
4859 . "not `install-hook'");
4861 # Install the -local hooks.
4862 foreach (keys %dependencies)
4864 # Hooks are installed on the -am targets.
4866 depend ("$_-am", "$_-local")
4867 if user_phony_rule "$_-local";
4870 # Install the -hook hooks.
4871 # FIXME: Why not be as liberal as we are with -local hooks?
4872 foreach ('install-exec', 'install-data', 'uninstall')
4874 if (user_phony_rule "$_-hook")
4876 depend ('.MAKE', "$_-am");
4877 register_action("$_-am",
4878 ("\t\@\$(NORMAL_INSTALL)\n"
4879 . "\t\$(MAKE) \$(AM_MAKEFLAGS) $_-hook"));
4883 # All the required targets are phony.
4884 depend ('.PHONY', keys %required_targets);
4886 # Actually output gathered targets.
4887 foreach (sort target_cmp keys %dependencies)
4889 # If there is nothing about this guy, skip it.
4891 unless (@{$dependencies{$_}}
4893 || $required_targets{$_});
4895 # Define gathered targets in undefined conditions.
4896 # FIXME: Right now we must handle .PHONY as an exception,
4897 # because people write things like
4898 # .PHONY: myphonytarget
4899 # to append dependencies. This would not work if Automake
4900 # refrained from defining its own .PHONY target as it does
4901 # with other overridden targets.
4902 # Likewise for `.MAKE'.
4903 my @undefined_conds = (TRUE,);
4904 if ($_ ne '.PHONY' && $_ ne '.MAKE')
4907 Automake::Rule::define ($_, 'internal',
4908 RULE_AUTOMAKE, TRUE, INTERNAL);
4910 my @uniq_deps = uniq (sort @{$dependencies{$_}});
4911 foreach my $cond (@undefined_conds)
4913 my $condstr = $cond->subst_string;
4914 &pretty_print_rule ("$condstr$_:", "$condstr\t", @uniq_deps);
4915 $output_rules .= $actions{$_} if defined $actions{$_};
4916 $output_rules .= "\n";
4922 # &handle_tests_dejagnu ()
4923 # ------------------------
4924 sub handle_tests_dejagnu
4926 push (@check_tests, 'check-DEJAGNU');
4927 $output_rules .= file_contents ('dejagnu', new Automake::Location);
4931 # Handle TESTS variable and other checks.
4934 if (option 'dejagnu')
4936 &handle_tests_dejagnu;
4940 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4942 reject_var ($c, "`$c' defined but `dejagnu' not in "
4943 . "`AUTOMAKE_OPTIONS'");
4949 push (@check_tests, 'check-TESTS');
4950 $output_rules .= &file_contents ('check', new Automake::Location,
4951 COLOR => !! option 'color-tests',
4952 PARALLEL_TESTS => !! option 'parallel-tests');
4954 # Tests that are known programs should have $(EXEEXT) appended.
4955 # For matching purposes, we need to adjust XFAIL_TESTS as well.
4956 append_exeext { exists $known_programs{$_[0]} } 'TESTS';
4957 append_exeext { exists $known_programs{$_[0]} } 'XFAIL_TESTS'
4958 if (var ('XFAIL_TESTS'));
4960 if (option 'parallel-tests')
4962 define_variable ('TEST_SUITE_LOG', 'test-suite.log', INTERNAL);
4963 define_variable ('TEST_SUITE_HTML', '$(TEST_SUITE_LOG:.log=.html)', INTERNAL);
4966 my $handle_exeext = exists $configure_vars{'EXEEXT'};
4969 $at_exeext = subst ('EXEEXT');
4970 $suff = $at_exeext . ' ' . $suff;
4972 define_variable ('TEST_EXTENSIONS', $suff, INTERNAL);
4973 # FIXME: this mishandles conditions.
4974 my @test_suffixes = (var 'TEST_EXTENSIONS')->value_as_list_recursive;
4977 unshift (@test_suffixes, $at_exeext)
4978 unless $test_suffixes[0] eq $at_exeext;
4980 unshift (@test_suffixes, '');
4982 transform_variable_recursively
4983 ('TESTS', 'TEST_LOGS', 'am__testlogs', 1, INTERNAL,
4985 my ($subvar, $val, $cond, $full_cond) = @_;
4988 if $val =~ /^\@.*\@$/;
4989 $obj =~ s/\$\(EXEEXT\)$//o;
4991 if ($val =~ /(\$\((top_)?srcdir\))\//o)
4993 msg ('error', $subvar->rdef ($cond)->location,
4994 "parallel-tests: using `$1' in TESTS is currently broken: `$val'");
4997 foreach my $test_suffix (@test_suffixes)
5000 if $test_suffix eq $at_exeext || $test_suffix eq '';
5001 return substr ($obj, 0, length ($obj) - length ($test_suffix)) . '.log'
5002 if substr ($obj, - length ($test_suffix)) eq $test_suffix;
5005 my $compile = 'LOG_COMPILE';
5006 define_variable ($compile,
5007 '$(LOG_COMPILER) $(AM_LOG_FLAGS) $(LOG_FLAGS)', INTERNAL);
5008 $output_rules .= file_contents ('check2', new Automake::Location,
5012 COMPILE =>'$(' . $compile . ')',
5014 am__EXEEXT => 'FALSE');
5021 my $last_suffix = $test_suffixes[$#test_suffixes];
5023 foreach my $test_suffix (@test_suffixes)
5025 if ($test_suffix eq $last_suffix)
5031 $cur = 'am__test_logs' . $nhelper;
5033 define_variable ($cur,
5034 '$(' . $prev . ':' . $test_suffix . $post . '=.log)', INTERNAL);
5038 if ($test_suffix ne $at_exeext && $test_suffix ne '')
5040 (my $ext = $test_suffix) =~ s/^\.//;
5042 my $compile = $ext . '_LOG_COMPILE';
5043 define_variable ($compile,
5044 '$(' . $ext . '_LOG_COMPILER) $(AM_' . $ext . '_LOG_FLAGS)'
5045 . ' $(' . $ext . '_LOG_FLAGS)', INTERNAL);
5046 my $am_exeext = $handle_exeext ? 'am__EXEEXT' : 'FALSE';
5047 $output_rules .= file_contents ('check2', new Automake::Location,
5051 COMPILE => '$(' . $compile . ')',
5052 EXT => $test_suffix,
5053 am__EXEEXT => $am_exeext);
5057 define_variable ('TEST_LOGS_TMP', '$(TEST_LOGS:.log=.log-t)', INTERNAL);
5059 $clean_files{'$(TEST_LOGS_TMP)'} = MOSTLY_CLEAN;
5060 $clean_files{'$(TEST_LOGS)'} = MOSTLY_CLEAN;
5061 $clean_files{'$(TEST_SUITE_LOG)'} = MOSTLY_CLEAN;
5062 $clean_files{'$(TEST_SUITE_HTML)'} = MOSTLY_CLEAN;
5067 # Handle Emacs Lisp.
5068 sub handle_emacs_lisp
5070 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
5073 return if ! @elfiles;
5075 define_pretty_variable ('am__ELFILES', TRUE, INTERNAL,
5076 map { $_->[1] } @elfiles);
5077 define_pretty_variable ('am__ELCFILES', TRUE, INTERNAL,
5078 '$(am__ELFILES:.el=.elc)');
5079 # This one can be overridden by users.
5080 define_pretty_variable ('ELCFILES', TRUE, INTERNAL, '$(LISP:.el=.elc)');
5082 push @all, '$(ELCFILES)';
5084 require_variables ($elfiles[0][0], "Emacs Lisp sources seen", TRUE,
5085 'EMACS', 'lispdir');
5086 require_conf_file ($elfiles[0][0], FOREIGN, 'elisp-comp');
5087 &define_variable ('elisp_comp', "$am_config_aux_dir/elisp-comp", INTERNAL);
5093 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
5095 return if ! @pyfiles;
5097 require_variables ($pyfiles[0][0], "Python sources seen", TRUE, 'PYTHON');
5098 require_conf_file ($pyfiles[0][0], FOREIGN, 'py-compile');
5099 &define_variable ('py_compile', "$am_config_aux_dir/py-compile", INTERNAL);
5105 my @sourcelist = &am_install_var ('-candist',
5107 'java', 'noinst', 'check');
5108 return if ! @sourcelist;
5110 my @prefix = am_primary_prefixes ('JAVA', 1,
5111 'java', 'noinst', 'check');
5114 foreach my $curs (@prefix)
5117 if $curs eq 'EXTRA';
5119 err_var "${curs}_JAVA", "multiple _JAVA primaries in use"
5124 if ($dir eq 'check')
5126 push (@check, "class$dir.stamp");
5130 push (@all, "class$dir.stamp");
5135 # Handle some of the minor options.
5136 sub handle_minor_options
5138 if (option 'readme-alpha')
5140 if ($relative_dir eq '.')
5142 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
5144 msg ('error-gnits', $package_version_location,
5145 "version `$package_version' doesn't follow " .
5148 if (defined $1 && -f 'README-alpha')
5150 # This means we have an alpha release. See
5151 # GNITS_VERSION_PATTERN for details.
5152 push_dist_common ('README-alpha');
5158 ################################################################
5160 # ($OUTPUT, @INPUTS)
5161 # &split_config_file_spec ($SPEC)
5162 # -------------------------------
5163 # Decode the Autoconf syntax for config files (files, headers, links
5165 sub split_config_file_spec ($)
5168 my ($output, @inputs) = split (/:/, $spec);
5170 push @inputs, "$output.in"
5173 return ($output, @inputs);
5177 # locate_am (@POSSIBLE_SOURCES)
5178 # -----------------------------
5179 # AC_CONFIG_FILES allow specifications such as Makefile:top.in:mid.in:bot.in
5180 # This functions returns the first *.in file for which a *.am exists.
5181 # It returns undef otherwise.
5186 foreach my $file (@rest)
5188 if (($file =~ /^(.*)\.in$/) && -f "$1.am")
5199 # &scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
5200 # ---------------------------------------------------
5201 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
5203 sub scan_autoconf_config_files ($$)
5205 my ($where, $config_files) = @_;
5207 # Look at potential Makefile.am's.
5208 foreach (split ' ', $config_files)
5210 # Must skip empty string for Perl 4.
5211 next if $_ eq "\\" || $_ eq '';
5213 # Handle $local:$input syntax.
5214 my ($local, @rest) = split (/:/);
5215 @rest = ("$local.in",) unless @rest;
5216 msg ('portability', $where,
5217 "Omit leading `./' from config file names such as `$local',"
5218 . "\nas not all make implementations treat `file' and `./file' equally.")
5219 if ($local =~ /^\.\//);
5220 my $input = locate_am @rest;
5223 # We have a file that automake should generate.
5224 $make_list{$input} = join (':', ($local, @rest));
5228 # We have a file that automake should cause to be
5229 # rebuilt, but shouldn't generate itself.
5230 push (@other_input_files, $_);
5232 $ac_config_files_location{$local} = $where;
5233 $ac_config_files_condition{$local} =
5234 new Automake::Condition (@cond_stack)
5240 # &scan_autoconf_traces ($FILENAME)
5241 # ---------------------------------
5242 sub scan_autoconf_traces ($)
5244 my ($filename) = @_;
5246 # Macros to trace, with their minimal number of arguments.
5248 # IMPORTANT: If you add a macro here, you should also add this macro
5249 # ========= to Automake-preselection in autoconf/lib/autom4te.in.
5251 AC_CANONICAL_BUILD => 0,
5252 AC_CANONICAL_HOST => 0,
5253 AC_CANONICAL_TARGET => 0,
5254 AC_CONFIG_AUX_DIR => 1,
5255 AC_CONFIG_FILES => 1,
5256 AC_CONFIG_HEADERS => 1,
5257 AC_CONFIG_LIBOBJ_DIR => 1,
5258 AC_CONFIG_LINKS => 1,
5262 AC_REQUIRE_AUX_FILE => 1,
5263 AC_SUBST_TRACE => 1,
5264 AM_AUTOMAKE_VERSION => 1,
5265 AM_CONDITIONAL => 2,
5266 AM_ENABLE_MULTILIB => 0,
5267 AM_GNU_GETTEXT => 0,
5268 AM_GNU_GETTEXT_INTL_SUBDIR => 0,
5269 AM_INIT_AUTOMAKE => 0,
5270 AM_MAINTAINER_MODE => 0,
5271 AM_PROG_CC_C_O => 0,
5272 AM_SILENT_RULES => 0,
5273 _AM_SUBST_NOTMAKE => 1,
5276 _AM_COND_ENDIF => 1,
5277 LT_SUPPORTED_TAG => 1,
5278 _LT_AC_TAGCONFIG => 0,
5284 my $traces = ($ENV{AUTOCONF} || 'autoconf') . " ";
5286 # Use a separator unlikely to be used, not `:', the default, which
5287 # has a precise meaning for AC_CONFIG_FILES and so on.
5288 $traces .= join (' ',
5289 map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
5292 my $tracefh = new Automake::XFile ("$traces $filename |");
5293 verb "reading $traces";
5298 while ($_ = $tracefh->getline)
5301 my ($here, $depth, @args) = split (/::/);
5302 $where = new Automake::Location $here;
5303 my $macro = $args[0];
5305 prog_error ("unrequested trace `$macro'")
5306 unless exists $traced{$macro};
5308 # Skip and diagnose malformed calls.
5309 if ($#args < $traced{$macro})
5311 msg ('syntax', $where, "not enough arguments for $macro");
5315 # Alphabetical ordering please.
5316 if ($macro eq 'AC_CANONICAL_BUILD')
5318 if ($seen_canonical <= AC_CANONICAL_BUILD)
5320 $seen_canonical = AC_CANONICAL_BUILD;
5321 $canonical_location = $where;
5324 elsif ($macro eq 'AC_CANONICAL_HOST')
5326 if ($seen_canonical <= AC_CANONICAL_HOST)
5328 $seen_canonical = AC_CANONICAL_HOST;
5329 $canonical_location = $where;
5332 elsif ($macro eq 'AC_CANONICAL_TARGET')
5334 $seen_canonical = AC_CANONICAL_TARGET;
5335 $canonical_location = $where;
5337 elsif ($macro eq 'AC_CONFIG_AUX_DIR')
5339 if ($seen_init_automake)
5341 error ($where, "AC_CONFIG_AUX_DIR must be called before "
5342 . "AM_INIT_AUTOMAKE...", partial => 1);
5343 error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
5345 $config_aux_dir = $args[1];
5346 $config_aux_dir_set_in_configure_ac = 1;
5347 $relative_dir = '.';
5348 check_directory ($config_aux_dir, $where);
5350 elsif ($macro eq 'AC_CONFIG_FILES')
5352 # Look at potential Makefile.am's.
5353 scan_autoconf_config_files ($where, $args[1]);
5355 elsif ($macro eq 'AC_CONFIG_HEADERS')
5357 foreach my $spec (split (' ', $args[1]))
5359 my ($dest, @src) = split (':', $spec);
5360 $ac_config_files_location{$dest} = $where;
5361 push @config_headers, $spec;
5364 elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
5366 $config_libobj_dir = $args[1];
5367 $relative_dir = '.';
5368 check_directory ($config_libobj_dir, $where);
5370 elsif ($macro eq 'AC_CONFIG_LINKS')
5372 foreach my $spec (split (' ', $args[1]))
5374 my ($dest, $src) = split (':', $spec);
5375 $ac_config_files_location{$dest} = $where;
5376 push @config_links, $spec;
5379 elsif ($macro eq 'AC_FC_SRCEXT')
5381 my $suffix = $args[1];
5382 # These flags are used as %SOURCEFLAG% in depend2.am,
5383 # where the trailing space is important.
5384 $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
5385 if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
5387 elsif ($macro eq 'AC_INIT')
5389 if (defined $args[2])
5391 $package_version = $args[2];
5392 $package_version_location = $where;
5395 elsif ($macro eq 'AC_LIBSOURCE')
5397 $libsources{$args[1]} = $here;
5399 elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
5401 # Only remember the first time a file is required.
5402 $required_aux_file{$args[1]} = $where
5403 unless exists $required_aux_file{$args[1]};
5405 elsif ($macro eq 'AC_SUBST_TRACE')
5407 # Just check for alphanumeric in AC_SUBST_TRACE. If you do
5408 # AC_SUBST(5), then too bad.
5409 $configure_vars{$args[1]} = $where
5410 if $args[1] =~ /^\w+$/;
5412 elsif ($macro eq 'AM_AUTOMAKE_VERSION')
5415 "version mismatch. This is Automake $VERSION,\n" .
5416 "but the definition used by this AM_INIT_AUTOMAKE\n" .
5417 "comes from Automake $args[1]. You should recreate\n" .
5418 "aclocal.m4 with aclocal and run automake again.\n",
5419 # $? = 63 is used to indicate version mismatch to missing.
5421 if $VERSION ne $args[1];
5423 $seen_automake_version = 1;
5425 elsif ($macro eq 'AM_CONDITIONAL')
5427 $configure_cond{$args[1]} = $where;
5429 elsif ($macro eq 'AM_ENABLE_MULTILIB')
5431 $seen_multilib = $where;
5433 elsif ($macro eq 'AM_GNU_GETTEXT')
5435 $seen_gettext = $where;
5436 $ac_gettext_location = $where;
5437 $seen_gettext_external = grep ($_ eq 'external', @args);
5439 elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
5441 $seen_gettext_intl = $where;
5443 elsif ($macro eq 'AM_INIT_AUTOMAKE')
5445 $seen_init_automake = $where;
5446 if (defined $args[2])
5448 $package_version = $args[2];
5449 $package_version_location = $where;
5451 elsif (defined $args[1])
5454 if (process_global_option_list ($where,
5455 split (' ', $args[1])));
5458 elsif ($macro eq 'AM_MAINTAINER_MODE')
5460 $seen_maint_mode = $where;
5462 elsif ($macro eq 'AM_PROG_CC_C_O')
5464 $seen_cc_c_o = $where;
5466 elsif ($macro eq 'AM_SILENT_RULES')
5468 set_global_option ('silent-rules', $where);
5470 elsif ($macro eq '_AM_COND_IF')
5472 cond_stack_if ('', $args[1], $where);
5473 error ($where, "missing m4 quoting, macro depth $depth")
5476 elsif ($macro eq '_AM_COND_ELSE')
5478 cond_stack_else ('!', $args[1], $where);
5479 error ($where, "missing m4 quoting, macro depth $depth")
5482 elsif ($macro eq '_AM_COND_ENDIF')
5484 cond_stack_endif (undef, undef, $where);
5485 error ($where, "missing m4 quoting, macro depth $depth")
5488 elsif ($macro eq '_AM_SUBST_NOTMAKE')
5490 $ignored_configure_vars{$args[1]} = $where;
5492 elsif ($macro eq 'm4_include'
5493 || $macro eq 'm4_sinclude'
5494 || $macro eq 'sinclude')
5496 # Skip missing `sinclude'd files.
5497 next if $macro ne 'm4_include' && ! -f $args[1];
5499 # Some modified versions of Autoconf don't use
5500 # frozen files. Consequently it's possible that we see all
5501 # m4_include's performed during Autoconf's startup.
5502 # Obviously we don't want to distribute Autoconf's files
5503 # so we skip absolute filenames here.
5504 push @configure_deps, '$(top_srcdir)/' . $args[1]
5505 unless $here =~ m,^(?:\w:)?[\\/],;
5506 # Keep track of the greatest timestamp.
5509 my $mtime = mtime $args[1];
5510 $configure_deps_greatest_timestamp = $mtime
5511 if $mtime > $configure_deps_greatest_timestamp;
5514 elsif ($macro eq 'LT_SUPPORTED_TAG')
5516 $libtool_tags{$args[1]} = 1;
5517 $libtool_new_api = 1;
5519 elsif ($macro eq '_LT_AC_TAGCONFIG')
5521 # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
5522 # We use it to detect whether tags are supported. Our
5523 # preferred interface is LT_SUPPORTED_TAG, but it was
5524 # introduced in Libtool 1.6.
5525 if (0 == keys %libtool_tags)
5527 # Hardcode the tags supported by Libtool 1.5.
5528 %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
5533 error ($where, "condition stack not properly closed")
5540 # &scan_autoconf_files ()
5541 # -----------------------
5542 # Check whether we use `configure.ac' or `configure.in'.
5543 # Scan it (and possibly `aclocal.m4') for interesting things.
5544 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
5545 sub scan_autoconf_files ()
5547 # Reinitialize libsources here. This isn't really necessary,
5548 # since we currently assume there is only one configure.ac. But
5549 # that won't always be the case.
5552 # Keep track of the youngest configure dependency.
5553 $configure_deps_greatest_timestamp = mtime $configure_ac;
5554 if (-e 'aclocal.m4')
5556 my $mtime = mtime 'aclocal.m4';
5557 $configure_deps_greatest_timestamp = $mtime
5558 if $mtime > $configure_deps_greatest_timestamp;
5561 scan_autoconf_traces ($configure_ac);
5563 @configure_input_files = sort keys %make_list;
5564 # Set input and output files if not specified by user.
5567 @input_files = @configure_input_files;
5568 %output_files = %make_list;
5572 if (! $seen_init_automake)
5574 err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
5575 . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
5576 . "\nthat aclocal.m4 is present in the top-level directory,\n"
5577 . "and that aclocal.m4 was recently regenerated "
5578 . "(using aclocal).");
5582 if (! $seen_automake_version)
5584 if (-f 'aclocal.m4')
5586 error ($seen_init_automake,
5587 "your implementation of AM_INIT_AUTOMAKE comes from " .
5588 "an\nold Automake version. You should recreate " .
5589 "aclocal.m4\nwith aclocal and run automake again.\n",
5590 # $? = 63 is used to indicate version mismatch to missing.
5595 error ($seen_init_automake,
5596 "no proper implementation of AM_INIT_AUTOMAKE was " .
5597 "found,\nprobably because aclocal.m4 is missing...\n" .
5598 "You should run aclocal to create this file, then\n" .
5599 "run automake again.\n");
5606 # Reorder @input_files so that the Makefile that distributes aux
5607 # files is processed last. This is important because each directory
5608 # can require auxiliary scripts and we should wait until they have
5609 # been installed before distributing them.
5611 # The Makefile.in that distribute the aux files is the one in
5612 # $config_aux_dir or the top-level Makefile.
5613 my $auxdirdist = is_make_dir ($config_aux_dir) ? $config_aux_dir : '.';
5614 my @new_input_files = ();
5615 while (@input_files)
5617 my $in = pop @input_files;
5618 my @ins = split (/:/, $output_files{$in});
5619 if (dirname ($ins[0]) eq $auxdirdist)
5621 push @new_input_files, $in;
5622 $automake_will_process_aux_dir = 1;
5626 unshift @new_input_files, $in;
5629 @input_files = @new_input_files;
5631 # If neither the auxdir/Makefile nor the ./Makefile are generated
5632 # by Automake, we won't distribute the aux files anyway. Assume
5633 # the user know what (s)he does, and pretend we will distribute
5634 # them to disable the error in require_file_internal.
5635 $automake_will_process_aux_dir = 1 if ! is_make_dir ($auxdirdist);
5637 # Look for some files we need. Always check for these. This
5638 # check must be done for every run, even those where we are only
5639 # looking at a subdir Makefile. We must set relative_dir for
5640 # maybe_push_required_file to work.
5641 # Sort the files for stable verbose output.
5642 $relative_dir = '.';
5643 foreach my $file (sort keys %required_aux_file)
5645 require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
5647 err_am "`install.sh' is an anachronism; use `install-sh' instead"
5648 if -f $config_aux_dir . '/install.sh';
5650 # Preserve dist_common for later.
5651 $configure_dist_common = variable_value ('DIST_COMMON') || '';
5655 ################################################################
5657 # Set up for Cygnus mode.
5660 my $cygnus = option 'cygnus';
5661 return unless $cygnus;
5663 set_strictness ('foreign');
5664 set_option ('no-installinfo', $cygnus);
5665 set_option ('no-dependencies', $cygnus);
5666 set_option ('no-dist', $cygnus);
5668 err_ac "`AM_MAINTAINER_MODE' required when --cygnus specified"
5669 if !$seen_maint_mode;
5672 # Do any extra checking for GNU standards.
5673 sub check_gnu_standards
5675 if ($relative_dir eq '.')
5677 # In top level (or only) directory.
5678 require_file ("$am_file.am", GNU,
5679 qw/INSTALL NEWS README AUTHORS ChangeLog/);
5681 # Accept one of these three licenses; default to COPYING.
5682 # Make sure we do not overwrite an existing license.
5684 foreach (qw /COPYING COPYING.LIB COPYING.LESSER/)
5692 require_file ("$am_file.am", GNU, 'COPYING')
5696 for my $opt ('no-installman', 'no-installinfo')
5698 msg ('error-gnu', option $opt,
5699 "option `$opt' disallowed by GNU standards")
5704 # Do any extra checking for GNITS standards.
5705 sub check_gnits_standards
5707 if ($relative_dir eq '.')
5709 # In top level (or only) directory.
5710 require_file ("$am_file.am", GNITS, 'THANKS');
5714 ################################################################
5716 # Functions to handle files of each language.
5718 # Each `lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
5719 # simple formula: Return value is LANG_SUBDIR if the resulting object
5720 # file should be in a subdir if the source file is, LANG_PROCESS if
5721 # file is to be dealt with, LANG_IGNORE otherwise.
5723 # Much of the actual processing is handled in
5724 # handle_single_transform. These functions exist so that
5725 # auxiliary information can be recorded for a later cleanup pass.
5726 # Note that the calls to these functions are computed, so don't bother
5727 # searching for their precise names in the source.
5729 # This is just a convenience function that can be used to determine
5730 # when a subdir object should be used.
5733 return option 'subdir-objects' ? LANG_SUBDIR : LANG_PROCESS;
5736 # Rewrite a single C source file.
5739 my ($directory, $base, $ext, $nonansi_obj, $have_per_exec_flags, $var) = @_;
5741 if (option 'ansi2knr' && $base =~ /_$/)
5743 # FIXME: include line number in error.
5744 err_am "C source file `$base.c' would be deleted by ansi2knr rules";
5747 my $r = LANG_PROCESS;
5748 if (option 'subdir-objects')
5751 if ($directory && $directory ne '.')
5753 $base = $directory . '/' . $base;
5755 # libtool is always able to put the object at the proper place,
5756 # so we do not have to require AM_PROG_CC_C_O when building .lo files.
5757 msg_var ('portability', $var,
5758 "compiling `$base.c' in subdir requires "
5759 . "`AM_PROG_CC_C_O' in `$configure_ac'",
5760 uniq_scope => US_GLOBAL,
5761 uniq_part => 'AM_PROG_CC_C_O subdir')
5762 unless $seen_cc_c_o || $nonansi_obj eq '.lo';
5765 # In this case we already have the directory information, so
5766 # don't add it again.
5767 $de_ansi_files{$base} = '';
5771 $de_ansi_files{$base} = (($directory eq '.' || $directory eq '')
5777 && $have_per_exec_flags
5778 && ! option 'subdir-objects'
5779 && $nonansi_obj ne '.lo')
5781 msg_var ('portability',
5782 $var, "compiling `$base.c' with per-target flags requires "
5783 . "`AM_PROG_CC_C_O' in `$configure_ac'",
5784 uniq_scope => US_GLOBAL,
5785 uniq_part => 'AM_PROG_CC_C_O per-target')
5791 # Rewrite a single C++ source file.
5792 sub lang_cxx_rewrite
5794 return &lang_sub_obj;
5797 # Rewrite a single header file.
5798 sub lang_header_rewrite
5800 # Header files are simply ignored.
5804 # Rewrite a single Vala source file.
5805 sub lang_vala_rewrite
5807 my ($directory, $base, $ext) = @_;
5809 (my $newext = $ext) =~ s/vala$/c/;
5810 return (LANG_SUBDIR, $newext);
5813 # Rewrite a single yacc file.
5814 sub lang_yacc_rewrite
5816 my ($directory, $base, $ext) = @_;
5818 my $r = &lang_sub_obj;
5819 (my $newext = $ext) =~ tr/y/c/;
5820 return ($r, $newext);
5823 # Rewrite a single yacc++ file.
5824 sub lang_yaccxx_rewrite
5826 my ($directory, $base, $ext) = @_;
5828 my $r = &lang_sub_obj;
5829 (my $newext = $ext) =~ tr/y/c/;
5830 return ($r, $newext);
5833 # Rewrite a single lex file.
5834 sub lang_lex_rewrite
5836 my ($directory, $base, $ext) = @_;
5838 my $r = &lang_sub_obj;
5839 (my $newext = $ext) =~ tr/l/c/;
5840 return ($r, $newext);
5843 # Rewrite a single lex++ file.
5844 sub lang_lexxx_rewrite
5846 my ($directory, $base, $ext) = @_;
5848 my $r = &lang_sub_obj;
5849 (my $newext = $ext) =~ tr/l/c/;
5850 return ($r, $newext);
5853 # Rewrite a single assembly file.
5854 sub lang_asm_rewrite
5856 return &lang_sub_obj;
5859 # Rewrite a single preprocessed assembly file.
5860 sub lang_cppasm_rewrite
5862 return &lang_sub_obj;
5865 # Rewrite a single Fortran 77 file.
5866 sub lang_f77_rewrite
5868 return &lang_sub_obj;
5871 # Rewrite a single Fortran file.
5874 return &lang_sub_obj;
5877 # Rewrite a single preprocessed Fortran file.
5878 sub lang_ppfc_rewrite
5880 return &lang_sub_obj;
5883 # Rewrite a single preprocessed Fortran 77 file.
5884 sub lang_ppf77_rewrite
5886 return &lang_sub_obj;
5889 # Rewrite a single ratfor file.
5890 sub lang_ratfor_rewrite
5892 return &lang_sub_obj;
5895 # Rewrite a single Objective C file.
5896 sub lang_objc_rewrite
5898 return &lang_sub_obj;
5901 # Rewrite a single Unified Parallel C file.
5902 sub lang_upc_rewrite
5904 return &lang_sub_obj;
5907 # Rewrite a single Java file.
5908 sub lang_java_rewrite
5913 # The lang_X_finish functions are called after all source file
5914 # processing is done. Each should handle defining rules for the
5915 # language, etc. A finish function is only called if a source file of
5916 # the appropriate type has been seen.
5920 # Push all libobjs files onto de_ansi_files. We actually only
5921 # push files which exist in the current directory, and which are
5922 # genuine source files.
5923 foreach my $file (keys %libsources)
5925 if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
5927 $de_ansi_files{$1} = ''
5931 if (option 'ansi2knr' && keys %de_ansi_files)
5933 # Make all _.c files depend on their corresponding .c files.
5935 foreach my $base (sort keys %de_ansi_files)
5937 # Each _.c file must depend on ansi2knr; otherwise it
5938 # might be used in a parallel build before it is built.
5939 # We need to support files in the srcdir and in the build
5940 # dir (because these files might be auto-generated. But
5941 # we can't use $< -- some makes only define $< during a
5943 my $ansfile = $de_ansi_files{$base} . $base . '.c';
5944 $output_rules .= ($base . "_.c: $ansfile \$(ANSI2KNR)\n\t"
5945 . '$(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
5946 . '`if test -f $(srcdir)/' . $ansfile
5947 . '; then echo $(srcdir)/' . $ansfile
5948 . '; else echo ' . $ansfile . '; fi` '
5949 . "| sed 's/^# \\([0-9]\\)/#line \\1/' "
5950 . '| $(ANSI2KNR) > $@'
5951 # If ansi2knr fails then we shouldn't
5952 # create the _.c file
5953 . " || rm -f \$\@\n");
5954 push (@objects, $base . '_.$(OBJEXT)');
5955 push (@objects, $base . '_.lo')
5958 # Explicitly clean the _.c files if they are in a
5959 # subdirectory. (In the current directory they get erased
5960 # by a `rm -f *_.c' rule.)
5961 $clean_files{$base . '_.c'} = MOSTLY_CLEAN
5962 if dirname ($base) ne '.';
5965 # Make all _.o (and _.lo) files depend on ansi2knr.
5966 # Use a sneaky little hack to make it print nicely.
5967 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
5971 sub lang_vala_finish_target ($$)
5973 my ($self, $name) = @_;
5975 my $derived = canonicalize ($name);
5976 my $varname = $derived . '_SOURCES';
5977 my $var = var ($varname);
5981 foreach my $file ($var->value_as_list_recursive)
5983 $output_rules .= "\$(srcdir)/$file: \$(srcdir)/${derived}_vala.stamp\n"
5984 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5985 . "\t\@if test -f \$@; then :; else \\\n"
5986 . "\t \$(am__cd) \$(srcdir) && \$(MAKE) \$(AM_MAKEFLAGS) ${derived}_vala.stamp; \\\n"
5988 if $file =~ s/(.*)\.vala$/$1.c/;
5992 # Add rebuild rules for generated header and vapi files
5993 my $flags = var ($derived . '_VALAFLAGS');
5997 foreach my $flag ($flags->value_as_list_recursive)
5999 if (grep (/$lastflag/, ('-H', '-h', '--header', '--internal-header',
6000 '--vapi', '--internal-vapi', '--gir')))
6002 my $headerfile = $flag;
6003 $output_rules .= "\$(srcdir)/$headerfile: \$(srcdir)/${derived}_vala.stamp\n"
6004 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
6005 . "\t\@if test -f \$@; then :; else \\\n"
6006 . "\t \$(am__cd) \$(srcdir) && \$(MAKE) \$(AM_MAKEFLAGS) ${derived}_vala.stamp; \\\n"
6009 # valac is not used when building from dist tarballs
6010 # distribute the generated files
6011 push_dist_common ($headerfile);
6012 $clean_files{$headerfile} = MAINTAINER_CLEAN;
6018 my $compile = $self->compile;
6020 # Rewrite each occurrence of `AM_VALAFLAGS' in the compile
6021 # rule into `${derived}_VALAFLAGS' if it exists.
6022 my $val = "${derived}_VALAFLAGS";
6023 $compile =~ s/\(AM_VALAFLAGS\)/\($val\)/
6026 # VALAFLAGS is a user variable (per GNU Standards),
6027 # it should not be overridden in the Makefile...
6028 check_user_variables ['VALAFLAGS'];
6030 my $dirname = dirname ($name);
6032 # Only generate C code, do not run C compiler
6035 my $verbose = verbose_flag ('VALAC');
6036 my $silent = silent_flag ();
6039 "${derived}_vala.stamp: \$(${derived}_SOURCES)\n".
6040 "\t${verbose}${compile} \$(${derived}_SOURCES)\n".
6041 "\t${silent}touch \$@\n";
6043 push_dist_common ("${derived}_vala.stamp");
6045 $clean_files{"${derived}_vala.stamp"} = MAINTAINER_CLEAN;
6048 # Add output rules to invoke valac and create stamp file as a witness
6049 # to handle multiple outputs. This function is called after all source
6050 # file processing is done.
6051 sub lang_vala_finish
6055 foreach my $prog (keys %known_programs)
6057 lang_vala_finish_target ($self, $prog);
6060 while (my ($name) = each %known_libraries)
6062 lang_vala_finish_target ($self, $name);
6066 # The built .c files should be cleaned only on maintainer-clean
6067 # as the .c files are distributed. This function is called for each
6068 # .vala source file.
6069 sub lang_vala_target_hook
6071 my ($self, $aggregate, $output, $input, %transform) = @_;
6073 $clean_files{$output} = MAINTAINER_CLEAN;
6076 # This is a yacc helper which is called whenever we have decided to
6077 # compile a yacc file.
6078 sub lang_yacc_target_hook
6080 my ($self, $aggregate, $output, $input, %transform) = @_;
6082 my $flag = $aggregate . "_YFLAGS";
6083 my $flagvar = var $flag;
6084 my $YFLAGSvar = var 'YFLAGS';
6085 if (($flagvar && $flagvar->variable_value =~ /$DASH_D_PATTERN/o)
6086 || ($YFLAGSvar && $YFLAGSvar->variable_value =~ /$DASH_D_PATTERN/o))
6088 (my $output_base = $output) =~ s/$KNOWN_EXTENSIONS_PATTERN$//;
6089 my $header = $output_base . '.h';
6091 # Found a `-d' that applies to the compilation of this file.
6092 # Add a dependency for the generated header file, and arrange
6093 # for that file to be included in the distribution.
6094 foreach my $cond (Automake::Rule::define (${header}, 'internal',
6095 RULE_AUTOMAKE, TRUE,
6098 my $condstr = $cond->subst_string;
6100 "$condstr${header}: $output\n"
6101 # Recover from removal of $header
6102 . "$condstr\t\@if test ! -f \$@; then rm -f $output; else :; fi\n"
6103 . "$condstr\t\@if test ! -f \$@; then \$(MAKE) \$(AM_MAKEFLAGS) $output; else :; fi\n";
6105 # Distribute the generated file, unless its .y source was
6106 # listed in a nodist_ variable. (&handle_source_transform
6107 # will set DIST_SOURCE.)
6108 &push_dist_common ($header)
6109 if $transform{'DIST_SOURCE'};
6111 # If the files are built in the build directory, then we want
6112 # to remove them with `make clean'. If they are in srcdir
6113 # they shouldn't be touched. However, we can't determine this
6114 # statically, and the GNU rules say that yacc/lex output files
6115 # should be removed by maintainer-clean. So that's what we
6117 $clean_files{$header} = MAINTAINER_CLEAN;
6119 # Erase $OUTPUT on `make maintainer-clean' (by GNU standards).
6120 # See the comment above for $HEADER.
6121 $clean_files{$output} = MAINTAINER_CLEAN;
6124 # This is a lex helper which is called whenever we have decided to
6125 # compile a lex file.
6126 sub lang_lex_target_hook
6128 my ($self, $aggregate, $output, $input) = @_;
6129 # If the files are built in the build directory, then we want to
6130 # remove them with `make clean'. If they are in srcdir they
6131 # shouldn't be touched. However, we can't determine this
6132 # statically, and the GNU rules say that yacc/lex output files
6133 # should be removed by maintainer-clean. So that's what we do.
6134 $clean_files{$output} = MAINTAINER_CLEAN;
6137 # This is a helper for both lex and yacc.
6138 sub yacc_lex_finish_helper
6140 return if defined $language_scratch{'lex-yacc-done'};
6141 $language_scratch{'lex-yacc-done'} = 1;
6143 # FIXME: for now, no line number.
6144 require_conf_file ($configure_ac, FOREIGN, 'ylwrap');
6145 &define_variable ('YLWRAP', "$am_config_aux_dir/ylwrap", INTERNAL);
6148 sub lang_yacc_finish
6150 return if defined $language_scratch{'yacc-done'};
6151 $language_scratch{'yacc-done'} = 1;
6153 reject_var 'YACCFLAGS', "`YACCFLAGS' obsolete; use `YFLAGS' instead";
6155 yacc_lex_finish_helper;
6161 return if defined $language_scratch{'lex-done'};
6162 $language_scratch{'lex-done'} = 1;
6164 yacc_lex_finish_helper;
6168 # Given a hash table of linker names, pick the name that has the most
6169 # precedence. This is lame, but something has to have global
6170 # knowledge in order to eliminate the conflict. Add more linkers as
6176 foreach my $l (qw(GCJLINK CXXLINK F77LINK FCLINK OBJCLINK UPCLINK))
6178 return $l if defined $linkers{$l};
6183 # Called to indicate that an extension was used.
6187 if (! defined $extension_seen{$ext})
6189 $extension_seen{$ext} = 1;
6193 ++$extension_seen{$ext};
6197 # Return the number of files seen for a given language. Knows about
6198 # special cases we care about. FIXME: this is hideous. We need
6199 # something that involves real language objects. For instance yacc
6200 # and yaccxx could both derive from a common yacc class which would
6201 # know about the strange ylwrap requirement. (Or better yet we could
6202 # just not support legacy yacc!)
6203 sub count_files_for_language
6208 if ($name eq 'yacc' || $name eq 'yaccxx')
6210 @names = ('yacc', 'yaccxx');
6212 elsif ($name eq 'lex' || $name eq 'lexxx')
6214 @names = ('lex', 'lexxx');
6222 foreach $name (@names)
6224 my $lang = $languages{$name};
6225 foreach my $ext (@{$lang->extensions})
6227 $r += $extension_seen{$ext}
6228 if defined $extension_seen{$ext};
6235 # Called to ask whether source files have been seen . If HEADERS is 1,
6236 # headers can be included.
6241 # count all the sources
6243 foreach my $val (values %extension_seen)
6250 $count -= count_files_for_language ('header');
6257 # register_language (%ATTRIBUTE)
6258 # ------------------------------
6259 # Register a single language.
6260 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
6261 sub register_language (%)
6267 unless defined $option{'ansi'};
6268 $option{'autodep'} = 'no'
6269 unless defined $option{'autodep'};
6270 $option{'linker'} = ''
6271 unless defined $option{'linker'};
6272 $option{'flags'} = []
6273 unless defined $option{'flags'};
6274 $option{'output_extensions'} = sub { return ( '.$(OBJEXT)', '.lo' ) }
6275 unless defined $option{'output_extensions'};
6276 $option{'nodist_specific'} = 0
6277 unless defined $option{'nodist_specific'};
6279 my $lang = new Language (%option);
6282 $extension_map{$_} = $lang->name foreach @{$lang->extensions};
6283 $languages{$lang->name} = $lang;
6284 my $link = $lang->linker;
6287 if (exists $link_languages{$link})
6289 prog_error ("`$link' has different definitions in "
6290 . $lang->name . " and " . $link_languages{$link}->name)
6291 if $lang->link ne $link_languages{$link}->link;
6295 $link_languages{$link} = $lang;
6299 # Update the pattern of known extensions.
6300 accept_extensions (@{$lang->extensions});
6302 # Upate the $suffix_rule map.
6303 foreach my $suffix (@{$lang->extensions})
6305 foreach my $dest (&{$lang->output_extensions} ($suffix))
6307 register_suffix_rule (INTERNAL, $suffix, $dest);
6312 # derive_suffix ($EXT, $OBJ)
6313 # --------------------------
6314 # This function is used to find a path from a user-specified suffix $EXT
6315 # to $OBJ or to some other suffix we recognize internally, e.g. `cc'.
6316 sub derive_suffix ($$)
6318 my ($source_ext, $obj) = @_;
6320 while (! $extension_map{$source_ext}
6321 && $source_ext ne $obj
6322 && exists $suffix_rules->{$source_ext}
6323 && exists $suffix_rules->{$source_ext}{$obj})
6325 $source_ext = $suffix_rules->{$source_ext}{$obj}[0];
6332 ################################################################
6334 # Pretty-print something and append to output_rules.
6335 sub pretty_print_rule
6337 $output_rules .= &makefile_wrap (@_);
6341 ################################################################
6344 ## -------------------------------- ##
6345 ## Handling the conditional stack. ##
6346 ## -------------------------------- ##
6350 # make_conditional_string ($NEGATE, $COND)
6351 # ----------------------------------------
6352 sub make_conditional_string ($$)
6354 my ($negate, $cond) = @_;
6355 $cond = "${cond}_TRUE"
6356 unless $cond =~ /^TRUE|FALSE$/;
6357 $cond = Automake::Condition::conditional_negate ($cond)
6363 my %_am_macro_for_cond =
6365 AMDEP => "one of the compiler tests\n"
6366 . " AC_PROG_CC, AC_PROG_CXX, AC_PROG_CXX, AC_PROG_OBJC,\n"
6367 . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC",
6368 am__fastdepCC => 'AC_PROG_CC',
6369 am__fastdepCCAS => 'AM_PROG_AS',
6370 am__fastdepCXX => 'AC_PROG_CXX',
6371 am__fastdepGCJ => 'AM_PROG_GCJ',
6372 am__fastdepOBJC => 'AC_PROG_OBJC',
6373 am__fastdepUPC => 'AM_PROG_UPC'
6377 # cond_stack_if ($NEGATE, $COND, $WHERE)
6378 # --------------------------------------
6379 sub cond_stack_if ($$$)
6381 my ($negate, $cond, $where) = @_;
6383 if (! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/)
6385 my $text = "$cond does not appear in AM_CONDITIONAL";
6386 my $scope = US_LOCAL;
6387 if (exists $_am_macro_for_cond{$cond})
6389 my $mac = $_am_macro_for_cond{$cond};
6390 $text .= "\n The usual way to define `$cond' is to add ";
6391 $text .= ($mac =~ / /) ? $mac : "`$mac'";
6392 $text .= "\n to `$configure_ac' and run `aclocal' and `autoconf' again.";
6393 # These warnings appear in Automake files (depend2.am),
6394 # so there is no need to display them more than once:
6397 error $where, $text, uniq_scope => $scope;
6400 push (@cond_stack, make_conditional_string ($negate, $cond));
6402 return new Automake::Condition (@cond_stack);
6407 # cond_stack_else ($NEGATE, $COND, $WHERE)
6408 # ----------------------------------------
6409 sub cond_stack_else ($$$)
6411 my ($negate, $cond, $where) = @_;
6415 error $where, "else without if";
6419 $cond_stack[$#cond_stack] =
6420 Automake::Condition::conditional_negate ($cond_stack[$#cond_stack]);
6422 # If $COND is given, check against it.
6425 $cond = make_conditional_string ($negate, $cond);
6427 error ($where, "else reminder ($negate$cond) incompatible with "
6428 . "current conditional: $cond_stack[$#cond_stack]")
6429 if $cond_stack[$#cond_stack] ne $cond;
6432 return new Automake::Condition (@cond_stack);
6437 # cond_stack_endif ($NEGATE, $COND, $WHERE)
6438 # -----------------------------------------
6439 sub cond_stack_endif ($$$)
6441 my ($negate, $cond, $where) = @_;
6446 error $where, "endif without if";
6450 # If $COND is given, check against it.
6453 $cond = make_conditional_string ($negate, $cond);
6455 error ($where, "endif reminder ($negate$cond) incompatible with "
6456 . "current conditional: $cond_stack[$#cond_stack]")
6457 if $cond_stack[$#cond_stack] ne $cond;
6462 return new Automake::Condition (@cond_stack);
6469 ## ------------------------ ##
6470 ## Handling the variables. ##
6471 ## ------------------------ ##
6474 # &define_pretty_variable ($VAR, $COND, $WHERE, @VALUE)
6475 # -----------------------------------------------------
6476 # Like define_variable, but the value is a list, and the variable may
6477 # be defined conditionally. The second argument is the condition
6478 # under which the value should be defined; this should be the empty
6479 # string to define the variable unconditionally. The third argument
6480 # is a list holding the values to use for the variable. The value is
6481 # pretty printed in the output file.
6482 sub define_pretty_variable ($$$@)
6484 my ($var, $cond, $where, @value) = @_;
6486 if (! vardef ($var, $cond))
6488 Automake::Variable::define ($var, VAR_AUTOMAKE, '', $cond, "@value",
6489 '', $where, VAR_PRETTY);
6490 rvar ($var)->rdef ($cond)->set_seen;
6495 # define_variable ($VAR, $VALUE, $WHERE)
6496 # --------------------------------------
6497 # Define a new Automake Makefile variable VAR to VALUE, but only if
6498 # not already defined.
6499 sub define_variable ($$$)
6501 my ($var, $value, $where) = @_;
6502 define_pretty_variable ($var, TRUE, $where, $value);
6506 # define_files_variable ($VAR, \@BASENAME, $EXTENSION, $WHERE)
6507 # ------------------------------------------------------------
6508 # Define the $VAR which content is the list of file names composed of
6509 # a @BASENAME and the $EXTENSION.
6510 sub define_files_variable ($\@$$)
6512 my ($var, $basename, $extension, $where) = @_;
6513 define_variable ($var,
6514 join (' ', map { "$_.$extension" } @$basename),
6519 # Like define_variable, but define a variable to be the configure
6520 # substitution by the same name.
6521 sub define_configure_variable ($)
6525 my $pretty = VAR_ASIS;
6526 my $owner = VAR_CONFIGURE;
6528 # Some variables we do not want to output. For instance it
6529 # would be a bad idea to output `U = @U@` when `@U@` can be
6530 # substituted as `\`.
6531 $pretty = VAR_SILENT if exists $ignored_configure_vars{$var};
6533 # ANSI2KNR is a variable that Automake wants to redefine, so
6534 # it must be owned by Automake. (It is also used as a proof
6535 # that AM_C_PROTOTYPES has been run, that's why we do not simply
6536 # omit the AC_SUBST.)
6537 $owner = VAR_AUTOMAKE if $var eq 'ANSI2KNR';
6539 Automake::Variable::define ($var, $owner, '', TRUE, subst $var,
6540 '', $configure_vars{$var}, $pretty);
6544 # define_compiler_variable ($LANG)
6545 # --------------------------------
6546 # Define a compiler variable. We also handle defining the `LT'
6547 # version of the command when using libtool.
6548 sub define_compiler_variable ($)
6552 my ($var, $value) = ($lang->compiler, $lang->compile);
6553 my $libtool_tag = '';
6554 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6555 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6556 &define_variable ($var, $value, INTERNAL);
6557 if (var ('LIBTOOL'))
6559 my $verbose = define_verbose_libtool ();
6560 &define_variable ("LT$var",
6561 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6562 . "\$(LIBTOOLFLAGS) --mode=compile $value",
6565 define_verbose_tagvar ($lang->ccer || 'GEN');
6569 # define_linker_variable ($LANG)
6570 # ------------------------------
6571 # Define linker variables.
6572 sub define_linker_variable ($)
6576 my $libtool_tag = '';
6577 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6578 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6580 &define_variable ($lang->lder, $lang->ld, INTERNAL);
6581 # CCLINK = $(CCLD) blah blah...
6583 if (var ('LIBTOOL'))
6585 my $verbose = define_verbose_libtool ();
6586 $link = "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6587 . "\$(LIBTOOLFLAGS) --mode=link ";
6589 &define_variable ($lang->linker, $link . $lang->link, INTERNAL);
6590 &define_variable ($lang->compiler, $lang);
6591 &define_verbose_tagvar ($lang->lder || 'GEN');
6594 sub define_per_target_linker_variable ($$)
6596 my ($linker, $target) = @_;
6598 # If the user wrote a custom link command, we don't define ours.
6599 return "${target}_LINK"
6600 if set_seen "${target}_LINK";
6602 my $xlink = $linker ? $linker : 'LINK';
6604 my $lang = $link_languages{$xlink};
6605 prog_error "Unknown language for linker variable `$xlink'"
6608 my $link_command = $lang->link;
6611 my $libtool_tag = '';
6612 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6613 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6615 my $verbose = define_verbose_libtool ();
6617 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) \$(LIBTOOLFLAGS) "
6618 . "--mode=link " . $link_command;
6621 # Rewrite each occurrence of `AM_$flag' in the link
6622 # command into `${derived}_$flag' if it exists.
6623 my $orig_command = $link_command;
6624 my @flags = (@{$lang->flags}, 'LDFLAGS');
6625 push @flags, 'LIBTOOLFLAGS' if var 'LIBTOOL';
6626 for my $flag (@flags)
6628 my $val = "${target}_$flag";
6629 $link_command =~ s/\(AM_$flag\)/\($val\)/
6633 # If the computed command is the same as the generic command, use
6634 # the command linker variable.
6635 return ($lang->linker, $lang->lder)
6636 if $link_command eq $orig_command;
6638 &define_variable ("${target}_LINK", $link_command, INTERNAL);
6639 return ("${target}_LINK", $lang->lder);
6642 ################################################################
6644 # &check_trailing_slash ($WHERE, $LINE)
6645 # -------------------------------------
6646 # Return 1 iff $LINE ends with a slash.
6647 # Might modify $LINE.
6648 sub check_trailing_slash ($\$)
6650 my ($where, $line) = @_;
6652 # Ignore `##' lines.
6653 return 0 if $$line =~ /$IGNORE_PATTERN/o;
6655 # Catch and fix a common error.
6656 msg "syntax", $where, "whitespace following trailing backslash"
6657 if $$line =~ s/\\\s+\n$/\\\n/;
6659 return $$line =~ /\\$/;
6663 # &read_am_file ($AMFILE, $WHERE)
6664 # -------------------------------
6665 # Read Makefile.am and set up %contents. Simultaneously copy lines
6666 # from Makefile.am into $output_trailer, or define variables as
6667 # appropriate. NOTE we put rules in the trailer section. We want
6668 # user rules to come after our generated stuff.
6669 sub read_am_file ($$)
6671 my ($amfile, $where) = @_;
6673 my $am_file = new Automake::XFile ("< $amfile");
6674 verb "reading $amfile";
6676 # Keep track of the youngest output dependency.
6677 my $mtime = mtime $amfile;
6678 $output_deps_greatest_timestamp = $mtime
6679 if $mtime > $output_deps_greatest_timestamp;
6685 my $var_look = VAR_ASIS;
6687 use constant IN_VAR_DEF => 0;
6688 use constant IN_RULE_DEF => 1;
6689 use constant IN_COMMENT => 2;
6690 my $prev_state = IN_RULE_DEF;
6692 while ($_ = $am_file->getline)
6694 $where->set ("$amfile:$.");
6695 if (/$IGNORE_PATTERN/o)
6697 # Merely delete comments beginning with two hashes.
6699 elsif (/$WHITE_PATTERN/o)
6701 error $where, "blank line following trailing backslash"
6703 # Stick a single white line before the incoming macro or rule.
6706 # Flush all comments seen so far.
6709 $output_vars .= $comment;
6713 elsif (/$COMMENT_PATTERN/o)
6715 # Stick comments before the incoming macro or rule. Make
6716 # sure a blank line precedes the first block of comments.
6717 $spacing = "\n" unless $blank;
6719 $comment .= $spacing . $_;
6721 $prev_state = IN_COMMENT;
6727 $saw_bk = check_trailing_slash ($where, $_);
6730 # We save the conditional stack on entry, and then check to make
6731 # sure it is the same on exit. This lets us conditionally include
6733 my @saved_cond_stack = @cond_stack;
6734 my $cond = new Automake::Condition (@cond_stack);
6736 my $last_var_name = '';
6737 my $last_var_type = '';
6738 my $last_var_value = '';
6740 # FIXME: shouldn't use $_ in this loop; it is too big.
6743 $where->set ("$amfile:$.");
6745 # Make sure the line is \n-terminated.
6749 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6750 # used by users. @MAINT@ is an anachronism now.
6751 $_ =~ s/\@MAINT\@//g
6752 unless $seen_maint_mode;
6754 my $new_saw_bk = check_trailing_slash ($where, $_);
6756 if (/$IGNORE_PATTERN/o)
6758 # Merely delete comments beginning with two hashes.
6760 # Keep any backslash from the previous line.
6761 $new_saw_bk = $saw_bk;
6763 elsif (/$WHITE_PATTERN/o)
6765 # Stick a single white line before the incoming macro or rule.
6767 error $where, "blank line following trailing backslash"
6770 elsif (/$COMMENT_PATTERN/o)
6772 error $where, "comment following trailing backslash"
6773 if $saw_bk && $prev_state != IN_COMMENT;
6775 # Stick comments before the incoming macro or rule.
6776 $comment .= $spacing . $_;
6778 $prev_state = IN_COMMENT;
6782 if ($prev_state == IN_RULE_DEF)
6784 my $cond = new Automake::Condition @cond_stack;
6785 $output_trailer .= $cond->subst_string;
6786 $output_trailer .= $_;
6788 elsif ($prev_state == IN_COMMENT)
6790 # If the line doesn't start with a `#', add it.
6791 # We do this because a continued comment like
6795 # is not portable. BSD make doesn't honor
6796 # escaped newlines in comments.
6798 $comment .= $spacing . $_;
6800 else # $prev_state == IN_VAR_DEF
6802 $last_var_value .= ' '
6803 unless $last_var_value =~ /\s$/;
6804 $last_var_value .= $_;
6808 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6809 $last_var_type, $cond,
6810 $last_var_value, $comment,
6811 $last_where, VAR_ASIS)
6813 $comment = $spacing = '';
6818 elsif (/$IF_PATTERN/o)
6820 $cond = cond_stack_if ($1, $2, $where);
6822 elsif (/$ELSE_PATTERN/o)
6824 $cond = cond_stack_else ($1, $2, $where);
6826 elsif (/$ENDIF_PATTERN/o)
6828 $cond = cond_stack_endif ($1, $2, $where);
6831 elsif (/$RULE_PATTERN/o)
6834 $prev_state = IN_RULE_DEF;
6836 # For now we have to output all definitions of user rules
6837 # and can't diagnose duplicates (see the comment in
6838 # Automake::Rule::define). So we go on and ignore the return value.
6839 Automake::Rule::define ($1, $amfile, RULE_USER, $cond, $where);
6841 check_variable_expansions ($_, $where);
6843 $output_trailer .= $comment . $spacing;
6844 my $cond = new Automake::Condition @cond_stack;
6845 $output_trailer .= $cond->subst_string;
6846 $output_trailer .= $_;
6847 $comment = $spacing = '';
6849 elsif (/$ASSIGNMENT_PATTERN/o)
6851 # Found a macro definition.
6852 $prev_state = IN_VAR_DEF;
6853 $last_var_name = $1;
6854 $last_var_type = $2;
6855 $last_var_value = $3;
6856 $last_where = $where->clone;
6857 if ($3 ne '' && substr ($3, -1) eq "\\")
6859 # We preserve the `\' because otherwise the long lines
6860 # that are generated will be truncated by broken
6862 $last_var_value = $3 . "\n";
6864 # Normally we try to output variable definitions in the
6865 # same format they were input. However, POSIX compliant
6866 # systems are not required to support lines longer than
6867 # 2048 bytes (most notably, some sed implementation are
6868 # limited to 4000 bytes, and sed is used by config.status
6869 # to rewrite Makefile.in into Makefile). Moreover nobody
6870 # would really write such long lines by hand since it is
6871 # hardly maintainable. So if a line is longer that 1000
6872 # bytes (an arbitrary limit), assume it has been
6873 # automatically generated by some tools, and flatten the
6874 # variable definition. Otherwise, keep the variable as it
6876 $var_look = VAR_PRETTY if length ($last_var_value) >= 1000;
6880 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6881 $last_var_type, $cond,
6882 $last_var_value, $comment,
6883 $last_where, $var_look)
6885 $comment = $spacing = '';
6886 $var_look = VAR_ASIS;
6889 elsif (/$INCLUDE_PATTERN/o)
6893 if ($path =~ s/^\$\(top_srcdir\)\///)
6895 push (@include_stack, "\$\(top_srcdir\)/$path");
6896 # Distribute any included file.
6898 # Always use the $(top_srcdir) prefix in DIST_COMMON,
6899 # otherwise OSF make will implicitly copy the included
6900 # file in the build tree during `make distdir' to satisfy
6902 # (subdircond2.test and subdircond3.test will fail.)
6903 push_dist_common ("\$\(top_srcdir\)/$path");
6907 $path =~ s/\$\(srcdir\)\///;
6908 push (@include_stack, "\$\(srcdir\)/$path");
6909 # Always use the $(srcdir) prefix in DIST_COMMON,
6910 # otherwise OSF make will implicitly copy the included
6911 # file in the build tree during `make distdir' to satisfy
6913 # (subdircond2.test and subdircond3.test will fail.)
6914 push_dist_common ("\$\(srcdir\)/$path");
6915 $path = $relative_dir . "/" . $path if $relative_dir ne '.';
6917 $where->push_context ("`$path' included from here");
6918 &read_am_file ($path, $where);
6919 $where->pop_context;
6923 # This isn't an error; it is probably a continued rule.
6924 # In fact, this is what we assume.
6925 $prev_state = IN_RULE_DEF;
6926 check_variable_expansions ($_, $where);
6927 $output_trailer .= $comment . $spacing;
6928 my $cond = new Automake::Condition @cond_stack;
6929 $output_trailer .= $cond->subst_string;
6930 $output_trailer .= $_;
6931 $comment = $spacing = '';
6932 error $where, "`#' comment at start of rule is unportable"
6933 if $_ =~ /^\t\s*\#/;
6936 $saw_bk = $new_saw_bk;
6937 $_ = $am_file->getline;
6940 $output_trailer .= $comment;
6942 error ($where, "trailing backslash on last line")
6945 error ($where, (@cond_stack ? "unterminated conditionals: @cond_stack"
6946 : "too many conditionals closed in include file"))
6947 if "@saved_cond_stack" ne "@cond_stack";
6951 # define_standard_variables ()
6952 # ----------------------------
6953 # A helper for read_main_am_file which initializes configure variables
6954 # and variables from header-vars.am.
6955 sub define_standard_variables
6957 my $saved_output_vars = $output_vars;
6958 my ($comments, undef, $rules) =
6959 file_contents_internal (1, "$libdir/am/header-vars.am",
6960 new Automake::Location);
6962 foreach my $var (sort keys %configure_vars)
6964 &define_configure_variable ($var);
6967 $output_vars .= $comments . $rules;
6970 # Read main am file.
6971 sub read_main_am_file
6975 # This supports the strange variable tricks we are about to play.
6976 prog_error ("variable defined before read_main_am_file\n" . variables_dump ())
6977 if (scalar (variables) > 0);
6979 # Generate copyright header for generated Makefile.in.
6980 # We do discard the output of predefined variables, handled below.
6981 $output_vars = ("# $in_file_name generated by automake "
6982 . $VERSION . " from $am_file_name.\n");
6983 $output_vars .= '# ' . subst ('configure_input') . "\n";
6984 $output_vars .= $gen_copyright;
6986 # We want to predefine as many variables as possible. This lets
6987 # the user set them with `+=' in Makefile.am.
6988 &define_standard_variables;
6990 # Read user file, which might override some of our values.
6991 &read_am_file ($amfile, new Automake::Location);
6996 ################################################################
6999 # &flatten ($STRING)
7000 # ------------------
7001 # Flatten the $STRING and return the result.
7015 # transform_token ($TOKEN, \%PAIRS, $KEY)
7016 # =======================================
7017 # Return the value associated to $KEY in %PAIRS, as used on $TOKEN
7018 # (which should be ?KEY? or any of the special %% requests)..
7019 sub transform_token ($$$)
7021 my ($token, $transform, $key) = @_;
7022 my $res = $transform->{$key};
7023 prog_error "Unknown key `$key' in `$token'" unless defined $res;
7028 # transform ($TOKEN, \%PAIRS)
7029 # ===========================
7030 # If ($TOKEN, $VAL) is in %PAIRS:
7031 # - replaces %KEY% with $VAL,
7032 # - enables/disables ?KEY? and ?!KEY?,
7033 # - replaces %?KEY% with TRUE or FALSE.
7034 # - replaces %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE% with
7035 # IFTRUE / IFFALSE, as appropriate.
7038 my ($token, $transform) = @_;
7041 # Must be before the following pattern to exclude the case
7042 # when there is neither IFTRUE nor IFFALSE.
7043 if ($token =~ /^%([\w\-]+)%$/)
7045 return transform_token ($token, $transform, $1);
7047 # %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE%.
7048 elsif ($token =~ /^%([\w\-]+)(?:\?([^?:%]+))?(?::([^?:%]+))?%$/)
7050 return transform_token ($token, $transform, $1) ? ($2 || '') : ($3 || '');
7053 elsif ($token =~ /^%\?([\w\-]+)%$/)
7055 return transform_token ($token, $transform, $1) ? 'TRUE' : 'FALSE';
7058 elsif ($token =~ /^ \? (!?) ([\w\-]+) \? $/x)
7060 my $neg = ($1 eq '!') ? 1 : 0;
7061 my $val = transform_token ($token, $transform, $2);
7062 return (!!$val == $neg) ? '##%' : '';
7066 prog_error "Unknown request format: $token";
7072 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
7073 # ------------------------------------------
7074 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
7076 sub make_paragraphs ($%)
7078 my ($file, %transform) = @_;
7080 # Complete %transform with global options.
7081 # Note that %transform goes last, so it overrides global options.
7082 %transform = ('CYGNUS' => !! option 'cygnus',
7084 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
7086 'XZ' => !! option 'dist-xz',
7087 'LZMA' => !! option 'dist-lzma',
7088 'BZIP2' => !! option 'dist-bzip2',
7089 'COMPRESS' => !! option 'dist-tarZ',
7090 'GZIP' => ! option 'no-dist-gzip',
7091 'SHAR' => !! option 'dist-shar',
7092 'ZIP' => !! option 'dist-zip',
7094 'INSTALL-INFO' => ! option 'no-installinfo',
7095 'INSTALL-MAN' => ! option 'no-installman',
7096 'HAVE-MANS' => !! var ('MANS'),
7097 'CK-NEWS' => !! option 'check-news',
7099 'SUBDIRS' => !! var ('SUBDIRS'),
7100 'TOPDIR_P' => $relative_dir eq '.',
7102 'BUILD' => ($seen_canonical >= AC_CANONICAL_BUILD),
7103 'HOST' => ($seen_canonical >= AC_CANONICAL_HOST),
7104 'TARGET' => ($seen_canonical >= AC_CANONICAL_TARGET),
7106 'LIBTOOL' => !! var ('LIBTOOL'),
7108 'FIRST' => ! $transformed_files{$file},
7111 $transformed_files{$file} = 1;
7112 $_ = $am_file_cache{$file};
7116 verb "reading $file";
7117 # Swallow the whole file.
7118 my $fc_file = new Automake::XFile "< $file";
7119 my $saved_dollar_slash = $/;
7121 $_ = $fc_file->getline;
7122 $/ = $saved_dollar_slash;
7125 # Remove ##-comments.
7126 # Besides we don't need more than two consecutive new-lines.
7127 s/(?:$IGNORE_PATTERN|(?<=\n\n)\n+)//gom;
7129 $am_file_cache{$file} = $_;
7132 # Substitute Automake template tokens.
7133 s/(?: % \?? [\w\-]+ %
7134 | % [\w\-]+ (?:\?[^?:%]+)? (?::[^?:%]+)? %
7136 )/transform($&, \%transform)/gex;
7137 # transform() may have added some ##%-comments to strip.
7138 # (we use `##%' instead of `##' so we can distinguish ##%##%##% from
7139 # ####### and do not remove the latter.)
7140 s/^[ \t]*(?:##%)+.*\n//gm;
7142 # Split at unescaped new lines.
7143 my @lines = split (/(?<!\\)\n/, $_);
7146 while (defined ($_ = shift @lines))
7149 # If we are a rule, eat as long as we start with a tab.
7150 if (/$RULE_PATTERN/smo)
7152 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
7154 $paragraph .= "\n$_";
7156 unshift (@lines, $_);
7159 # If we are a comments, eat as much comments as you can.
7160 elsif (/$COMMENT_PATTERN/smo)
7162 while (defined ($_ = shift @lines)
7163 && $_ =~ /$COMMENT_PATTERN/smo)
7165 $paragraph .= "\n$_";
7167 unshift (@lines, $_);
7170 push @res, $paragraph;
7178 # ($COMMENT, $VARIABLES, $RULES)
7179 # &file_contents_internal ($IS_AM, $FILE, $WHERE, [%TRANSFORM])
7180 # -------------------------------------------------------------
7181 # Return contents of a file from $libdir/am, automatically skipping
7182 # macros or rules which are already known. $IS_AM iff the caller is
7183 # reading an Automake file (as opposed to the user's Makefile.am).
7184 sub file_contents_internal ($$$%)
7186 my ($is_am, $file, $where, %transform) = @_;
7188 $where->set ($file);
7190 my $result_vars = '';
7191 my $result_rules = '';
7195 # The following flags are used to track rules spanning across
7196 # multiple paragraphs.
7197 my $is_rule = 0; # 1 if we are processing a rule.
7198 my $discard_rule = 0; # 1 if the current rule should not be output.
7200 # We save the conditional stack on entry, and then check to make
7201 # sure it is the same on exit. This lets us conditionally include
7203 my @saved_cond_stack = @cond_stack;
7204 my $cond = new Automake::Condition (@cond_stack);
7206 foreach (make_paragraphs ($file, %transform))
7208 # FIXME: no line number available.
7209 $where->set ($file);
7212 error $where, "blank line following trailing backslash:\n$_"
7214 error $where, "comment following trailing backslash:\n$_"
7220 # Stick empty line before the incoming macro or rule.
7223 elsif (/$COMMENT_PATTERN/mso)
7226 # Stick comments before the incoming macro or rule.
7230 # Handle inclusion of other files.
7231 elsif (/$INCLUDE_PATTERN/o)
7235 my $file = ($is_am ? "$libdir/am/" : '') . $1;
7236 $where->push_context ("`$file' included from here");
7238 my ($com, $vars, $rules)
7239 = file_contents_internal ($is_am, $file, $where, %transform);
7240 $where->pop_context;
7242 $result_vars .= $vars;
7243 $result_rules .= $rules;
7247 # Handling the conditionals.
7248 elsif (/$IF_PATTERN/o)
7250 $cond = cond_stack_if ($1, $2, $file);
7252 elsif (/$ELSE_PATTERN/o)
7254 $cond = cond_stack_else ($1, $2, $file);
7256 elsif (/$ENDIF_PATTERN/o)
7258 $cond = cond_stack_endif ($1, $2, $file);
7262 elsif (/$RULE_PATTERN/mso)
7266 # Separate relationship from optional actions: the first
7267 # `new-line tab" not preceded by backslash (continuation
7270 /^(.*?)(?:(?<!\\)\n(\t.*))?$/s;
7271 my ($relationship, $actions) = ($1, $2 || '');
7273 # Separate targets from dependencies: the first colon.
7274 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
7275 my ($targets, $dependencies) = ($1, $2);
7276 # Remove the escaped new lines.
7277 # I don't know why, but I have to use a tmp $flat_deps.
7278 my $flat_deps = &flatten ($dependencies);
7279 my @deps = split (' ', $flat_deps);
7281 foreach (split (' ', $targets))
7283 # FIXME: 1. We are not robust to people defining several targets
7284 # at once, only some of them being in %dependencies. The
7285 # actions from the targets in %dependencies are usually generated
7286 # from the content of %actions, but if some targets in $targets
7287 # are not in %dependencies the ELSE branch will output
7288 # a rule for all $targets (i.e. the targets which are both
7289 # in %dependencies and $targets will have two rules).
7291 # FIXME: 2. The logic here is not able to output a
7292 # multi-paragraph rule several time (e.g. for each condition
7293 # it is defined for) because it only knows the first paragraph.
7295 # FIXME: 3. We are not robust to people defining a subset
7296 # of a previously defined "multiple-target" rule. E.g.
7297 # `foo:' after `foo bar:'.
7299 # Output only if not in FALSE.
7300 if (defined $dependencies{$_} && $cond != FALSE)
7302 &depend ($_, @deps);
7303 register_action ($_, $actions);
7307 # Free-lance dependency. Output the rule for all the
7308 # targets instead of one by one.
7309 my @undefined_conds =
7310 Automake::Rule::define ($targets, $file,
7311 $is_am ? RULE_AUTOMAKE : RULE_USER,
7313 for my $undefined_cond (@undefined_conds)
7315 my $condparagraph = $paragraph;
7316 $condparagraph =~ s/^/$undefined_cond->subst_string/gme;
7317 $result_rules .= "$spacing$comment$condparagraph\n";
7319 if (scalar @undefined_conds == 0)
7321 # Remember to discard next paragraphs
7322 # if they belong to this rule.
7323 # (but see also FIXME: #2 above.)
7326 $comment = $spacing = '';
7332 elsif (/$ASSIGNMENT_PATTERN/mso)
7334 my ($var, $type, $val) = ($1, $2, $3);
7335 error $where, "variable `$var' with trailing backslash"
7340 Automake::Variable::define ($var,
7341 $is_am ? VAR_AUTOMAKE : VAR_MAKEFILE,
7342 $type, $cond, $val, $comment, $where,
7346 $comment = $spacing = '';
7350 # This isn't an error; it is probably some tokens which
7351 # configure is supposed to replace, such as `@SET-MAKE@',
7352 # or some part of a rule cut by an if/endif.
7353 if (! $cond->false && ! ($is_rule && $discard_rule))
7355 s/^/$cond->subst_string/gme;
7356 $result_rules .= "$spacing$comment$_\n";
7358 $comment = $spacing = '';
7362 error ($where, @cond_stack ?
7363 "unterminated conditionals: @cond_stack" :
7364 "too many conditionals closed in include file")
7365 if "@saved_cond_stack" ne "@cond_stack";
7367 return ($comment, $result_vars, $result_rules);
7372 # &file_contents ($BASENAME, $WHERE, [%TRANSFORM])
7373 # ------------------------------------------------
7374 # Return contents of a file from $libdir/am, automatically skipping
7375 # macros or rules which are already known.
7376 sub file_contents ($$%)
7378 my ($basename, $where, %transform) = @_;
7379 my ($comments, $variables, $rules) =
7380 file_contents_internal (1, "$libdir/am/$basename.am", $where,
7382 return "$comments$variables$rules";
7387 # &am_primary_prefixes ($PRIMARY, $CAN_DIST, @PREFIXES)
7388 # -----------------------------------------------------
7389 # Find all variable prefixes that are used for install directories. A
7390 # prefix `zar' qualifies iff:
7392 # * `zardir' is a variable.
7393 # * `zar_PRIMARY' is a variable.
7395 # As a side effect, it looks for misspellings. It is an error to have
7396 # a variable ending in a "reserved" suffix whose prefix is unknown, e.g.
7397 # "bni_PROGRAMS". However, unusual prefixes are allowed if a variable
7398 # of the same name (with "dir" appended) exists. For instance, if the
7399 # variable "zardir" is defined, then "zar_PROGRAMS" becomes valid.
7400 # This is to provide a little extra flexibility in those cases which
7402 sub am_primary_prefixes ($$@)
7404 my ($primary, $can_dist, @prefixes) = @_;
7407 my %valid = map { $_ => 0 } @prefixes;
7408 $valid{'EXTRA'} = 0;
7409 foreach my $var (variables $primary)
7411 # Automake is allowed to define variables that look like primaries
7412 # but which aren't. E.g. INSTALL_sh_DATA.
7413 # Autoconf can also define variables like INSTALL_DATA, so
7414 # ignore all configure variables (at least those which are not
7415 # redefined in Makefile.am).
7416 # FIXME: We should make sure that these variables are not
7417 # conditionally defined (or else adjust the condition below).
7418 my $def = $var->def (TRUE);
7419 next if $def && $def->owner != VAR_MAKEFILE;
7421 my $varname = $var->name;
7423 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_[[:alnum:]]+$/)
7425 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
7426 if ($dist ne '' && ! $can_dist)
7429 "invalid variable `$varname': `dist' is forbidden");
7431 # Standard directories must be explicitly allowed.
7432 elsif (! defined $valid{$X} && exists $standard_prefix{$X})
7435 "`${X}dir' is not a legitimate directory " .
7438 # A not explicitly valid directory is allowed if Xdir is defined.
7439 elsif (! defined $valid{$X} &&
7440 $var->requires_variables ("`$varname' is used", "${X}dir"))
7442 # Nothing to do. Any error message has been output
7443 # by $var->requires_variables.
7447 # Ensure all extended prefixes are actually used.
7448 $valid{"$base$dist$X"} = 1;
7453 prog_error "unexpected variable name: $varname";
7457 # Return only those which are actually defined.
7458 return sort grep { var ($_ . '_' . $primary) } keys %valid;
7462 # Handle `where_HOW' variable magic. Does all lookups, generates
7463 # install code, and possibly generates code to define the primary
7464 # variable. The first argument is the name of the .am file to munge,
7465 # the second argument is the primary variable (e.g. HEADERS), and all
7466 # subsequent arguments are possible installation locations.
7468 # Returns list of [$location, $value] pairs, where
7469 # $value's are the values in all where_HOW variable, and $location
7470 # there associated location (the place here their parent variables were
7473 # FIXME: this should be rewritten to be cleaner. It should be broken
7474 # up into multiple functions.
7476 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7483 my $default_dist = 0;
7486 if ($args[0] eq '-noextra')
7490 elsif ($args[0] eq '-candist')
7494 elsif ($args[0] eq '-defaultdist')
7499 elsif ($args[0] !~ /^-/)
7506 my ($file, $primary, @prefix) = @args;
7508 # Now that configure substitutions are allowed in where_HOW
7509 # variables, it is an error to actually define the primary. We
7510 # allow `JAVA', as it is customarily used to mean the Java
7511 # interpreter. This is but one of several Java hacks. Similarly,
7512 # `PYTHON' is customarily used to mean the Python interpreter.
7513 reject_var $primary, "`$primary' is an anachronism"
7514 unless $primary eq 'JAVA' || $primary eq 'PYTHON';
7516 # Get the prefixes which are valid and actually used.
7517 @prefix = am_primary_prefixes ($primary, $can_dist, @prefix);
7519 # If a primary includes a configure substitution, then the EXTRA_
7520 # form is required. Otherwise we can't properly do our job.
7526 foreach my $X (@prefix)
7528 my $nodir_name = $X;
7529 my $one_name = $X . '_' . $primary;
7530 my $one_var = var $one_name;
7532 my $strip_subdir = 1;
7533 # If subdir prefix should be preserved, do so.
7534 if ($nodir_name =~ /^nobase_/)
7537 $nodir_name =~ s/^nobase_//;
7540 # If files should be distributed, do so.
7544 $dist_p = (($default_dist && $nodir_name !~ /^nodist_/)
7545 || (! $default_dist && $nodir_name =~ /^dist_/));
7546 $nodir_name =~ s/^(dist|nodist)_//;
7550 # Use the location of the currently processed variable.
7551 # We are not processing a particular condition, so pick the first
7553 my $tmpcond = $one_var->conditions->one_cond;
7554 my $where = $one_var->rdef ($tmpcond)->location->clone;
7556 # Append actual contents of where_PRIMARY variable to
7557 # @result, skipping @substitutions@.
7558 foreach my $locvals ($one_var->value_as_list_recursive (location => 1))
7560 my ($loc, $value) = @$locvals;
7561 # Skip configure substitutions.
7562 if ($value =~ /^\@.*\@$/)
7564 if ($nodir_name eq 'EXTRA')
7567 "`$one_name' contains configure substitution, "
7570 # Check here to make sure variables defined in
7571 # configure.ac do not imply that EXTRA_PRIMARY
7573 elsif (! defined $configure_vars{$one_name})
7575 $require_extra = $one_name
7581 # Strip any $(EXEEXT) suffix the user might have added, or this
7582 # will confuse &handle_source_transform and &check_canonical_spelling.
7583 # We'll add $(EXEEXT) back later anyway.
7584 # Do it here rather than in handle_programs so the uniquifying at the
7585 # end of this function works.
7586 ${$locvals}[1] =~ s/\$\(EXEEXT\)$//
7587 if $primary eq 'PROGRAMS';
7589 push (@result, $locvals);
7592 # A blatant hack: we rewrite each _PROGRAMS primary to include
7594 append_exeext { 1 } $one_name
7595 if $primary eq 'PROGRAMS';
7596 # "EXTRA" shouldn't be used when generating clean targets,
7597 # all, or install targets. We used to warn if EXTRA_FOO was
7598 # defined uselessly, but this was annoying.
7600 if $nodir_name eq 'EXTRA';
7602 if ($nodir_name eq 'check')
7604 push (@check, '$(' . $one_name . ')');
7608 push (@used, '$(' . $one_name . ')');
7611 # Is this to be installed?
7612 my $install_p = $nodir_name ne 'noinst' && $nodir_name ne 'check';
7614 # If so, with install-exec? (or install-data?).
7615 my $exec_p = ($nodir_name =~ /$EXEC_DIR_PATTERN/o);
7617 my $check_options_p = $install_p && !! option 'std-options';
7619 # Use the location of the currently processed variable as context.
7620 $where->push_context ("while processing `$one_name'");
7622 # The variable containing all files to distribute.
7623 my $distvar = "\$($one_name)";
7624 $distvar = shadow_unconditionally ($one_name, $where)
7625 if ($dist_p && $one_var->has_conditional_contents);
7627 # Singular form of $PRIMARY.
7628 (my $one_primary = $primary) =~ s/S$//;
7629 $output_rules .= &file_contents ($file, $where,
7630 PRIMARY => $primary,
7631 ONE_PRIMARY => $one_primary,
7633 NDIR => $nodir_name,
7634 BASE => $strip_subdir,
7637 INSTALL => $install_p,
7639 DISTVAR => $distvar,
7640 'CK-OPTS' => $check_options_p);
7643 # The JAVA variable is used as the name of the Java interpreter.
7644 # The PYTHON variable is used as the name of the Python interpreter.
7645 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7648 define_pretty_variable ($primary, TRUE, INTERNAL, @used);
7649 $output_vars .= "\n";
7652 err_var ($require_extra,
7653 "`$require_extra' contains configure substitution,\n"
7654 . "but `EXTRA_$primary' not defined")
7655 if ($require_extra && ! var ('EXTRA_' . $primary));
7657 # Push here because PRIMARY might be configure time determined.
7658 push (@all, '$(' . $primary . ')')
7659 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7661 # Make the result unique. This lets the user use conditionals in
7662 # a natural way, but still lets us program lazily -- we don't have
7663 # to worry about handling a particular object more than once.
7664 # We will keep only one location per object.
7666 for my $pair (@result)
7668 my ($loc, $val) = @$pair;
7669 $result{$val} = $loc;
7671 my @l = sort keys %result;
7672 return map { [$result{$_}->clone, $_] } @l;
7676 ################################################################
7678 # Each key in this hash is the name of a directory holding a
7679 # Makefile.in. These variables are local to `is_make_dir'.
7681 my $make_dirs_set = 0;
7686 if (! $make_dirs_set)
7688 foreach my $iter (@configure_input_files)
7690 $make_dirs{dirname ($iter)} = 1;
7692 # We also want to notice Makefile.in's.
7693 foreach my $iter (@other_input_files)
7695 if ($iter =~ /Makefile\.in$/)
7697 $make_dirs{dirname ($iter)} = 1;
7702 return defined $make_dirs{$dir};
7705 ################################################################
7707 # Find the aux dir. This should match the algorithm used by
7708 # ./configure. (See the Autoconf documentation for for
7709 # AC_CONFIG_AUX_DIR.)
7710 sub locate_aux_dir ()
7712 if (! $config_aux_dir_set_in_configure_ac)
7714 # The default auxiliary directory is the first
7715 # of ., .., or ../.. that contains install-sh.
7716 # Assume . if install-sh doesn't exist yet.
7717 for my $dir (qw (. .. ../..))
7719 if (-f "$dir/install-sh")
7721 $config_aux_dir = $dir;
7725 $config_aux_dir = '.' unless $config_aux_dir;
7727 # Avoid unsightly '/.'s.
7728 $am_config_aux_dir =
7729 '$(top_srcdir)' . ($config_aux_dir eq '.' ? "" : "/$config_aux_dir");
7730 $am_config_aux_dir =~ s,/*$,,;
7734 # &maybe_push_required_file ($DIR, $FILE, $FULLFILE)
7735 # --------------------------------------------------
7736 # See if we want to push this file onto dist_common. This function
7737 # encodes the rules for deciding when to do so.
7738 sub maybe_push_required_file
7740 my ($dir, $file, $fullfile) = @_;
7742 if ($dir eq $relative_dir)
7744 push_dist_common ($file);
7747 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7749 # If we are doing the topmost directory, and the file is in a
7750 # subdir which does not have a Makefile, then we distribute it
7753 # If a required file is above the source tree, it is important
7754 # to prefix it with `$(srcdir)' so that no VPATH search is
7755 # performed. Otherwise problems occur with Make implementations
7756 # that rewrite and simplify rules whose dependencies are found in a
7757 # VPATH location. Here is an example with OSF1/Tru64 Make.
7769 # Dependency `../a' was found in `sub/../a', but this make
7770 # implementation simplified it as `a'. (Note that the sub/
7771 # directory does not even exist.)
7773 # This kind of VPATH rewriting seems hard to cancel. The
7774 # distdir.am hack against VPATH rewriting works only when no
7775 # simplification is done, i.e., for dependencies which are in
7776 # subdirectories, not in enclosing directories. Hence, in
7777 # the latter case we use a full path to make sure no VPATH
7779 $fullfile = '$(srcdir)/' . $fullfile
7780 if $dir =~ m,^\.\.(?:$|/),;
7782 push_dist_common ($fullfile);
7789 # If a file name appears as a key in this hash, then it has already
7790 # been checked for. This allows us not to report the same error more
7792 my %required_file_not_found = ();
7794 # &require_file_internal ($WHERE, $MYSTRICT, $DIRECTORY, @FILES)
7795 # --------------------------------------------------------------
7796 # Verify that the file must exist in $DIRECTORY, or install it.
7797 # $MYSTRICT is the strictness level at which this file becomes required.
7798 sub require_file_internal ($$$@)
7800 my ($where, $mystrict, $dir, @files) = @_;
7802 foreach my $file (@files)
7804 my $fullfile = "$dir/$file";
7806 my $dangling_sym = 0;
7808 if (-l $fullfile && ! -f $fullfile)
7812 elsif (dir_has_case_matching_file ($dir, $file))
7815 maybe_push_required_file ($dir, $file, $fullfile);
7818 # `--force-missing' only has an effect if `--add-missing' is
7820 if ($found_it && (! $add_missing || ! $force_missing))
7826 # If we've already looked for it, we're done. You might
7827 # wonder why we don't do this before searching for the
7828 # file. If we do that, then something like
7829 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
7833 next if defined $required_file_not_found{$fullfile};
7834 $required_file_not_found{$fullfile} = 1;
7837 if ($strictness >= $mystrict)
7839 if ($dangling_sym && $add_missing)
7848 # Only install missing files according to our desired
7850 my $message = "required file `$fullfile' not found";
7853 if (-f "$libdir/$file")
7857 # Install the missing file. Symlink if we
7858 # can, copy if we must. Note: delete the file
7859 # first, in case it is a dangling symlink.
7860 $message = "installing `$fullfile'";
7862 # The license file should not be volatile.
7863 if ($file eq "COPYING")
7865 $message .= " using GNU General Public License v3 file";
7866 $trailer2 = "\n Consider adding the COPYING file"
7867 . " to the version control system"
7868 . "\n for your code, to avoid questions"
7869 . " about which license your project uses.";
7872 # Windows Perl will hang if we try to delete a
7873 # file that doesn't exist.
7874 unlink ($fullfile) if -f $fullfile;
7875 if ($symlink_exists && ! $copy_missing)
7877 if (! symlink ("$libdir/$file", $fullfile)
7881 $trailer = "; error while making link: $!";
7884 elsif (system ('cp', "$libdir/$file", $fullfile))
7887 $trailer = "\n error while copying";
7889 set_dir_cache_file ($dir, $file);
7892 if (! maybe_push_required_file (dirname ($fullfile),
7895 if (! $found_it && ! $automake_will_process_aux_dir)
7897 # We have added the file but could not push it
7898 # into DIST_COMMON, probably because this is
7899 # an auxiliary file and we are not processing
7900 # the top level Makefile. Furthermore Automake
7901 # hasn't been asked to create the Makefile.in
7902 # that distributes the aux dir files.
7903 error ($where, 'Please make a full run of automake'
7904 . " so $fullfile gets distributed.");
7910 $trailer = "\n `automake --add-missing' can install `$file'"
7911 if -f "$libdir/$file";
7914 # If --force-missing was specified, and we have
7915 # actually found the file, then do nothing.
7917 if $found_it && $force_missing;
7919 # If we couldn't install the file, but it is a target in
7920 # the Makefile, don't print anything. This allows files
7921 # like README, AUTHORS, or THANKS to be generated.
7923 if !$suppress && rule $file;
7925 msg ($suppress ? 'note' : 'error', $where, "$message$trailer$trailer2");
7931 # &require_file ($WHERE, $MYSTRICT, @FILES)
7932 # -----------------------------------------
7933 sub require_file ($$@)
7935 my ($where, $mystrict, @files) = @_;
7936 require_file_internal ($where, $mystrict, $relative_dir, @files);
7939 # &require_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7940 # -----------------------------------------------------------
7941 sub require_file_with_macro ($$$@)
7943 my ($cond, $macro, $mystrict, @files) = @_;
7944 $macro = rvar ($macro) unless ref $macro;
7945 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7948 # &require_libsource_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7949 # ----------------------------------------------------------------
7950 # Require an AC_LIBSOURCEd file. If AC_CONFIG_LIBOBJ_DIR was called, it
7951 # must be in that directory. Otherwise expect it in the current directory.
7952 sub require_libsource_with_macro ($$$@)
7954 my ($cond, $macro, $mystrict, @files) = @_;
7955 $macro = rvar ($macro) unless ref $macro;
7956 if ($config_libobj_dir)
7958 require_file_internal ($macro->rdef ($cond)->location, $mystrict,
7959 $config_libobj_dir, @files);
7963 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7967 # Queue to push require_conf_file requirements to.
7968 my $required_conf_file_queue;
7970 # &queue_required_conf_file ($QUEUE, $KEY, $DIR, $WHERE, $MYSTRICT, @FILES)
7971 # -------------------------------------------------------------------------
7972 sub queue_required_conf_file ($$$$@)
7974 my ($queue, $key, $dir, $where, $mystrict, @files) = @_;
7978 @serial_loc = (QUEUE_LOCATION, $where->serialize ());
7982 @serial_loc = (QUEUE_STRING, $where);
7984 $queue->enqueue ($key, $dir, @serial_loc, $mystrict, 0 + @files, @files);
7987 # &require_queued_conf_file ($QUEUE)
7988 # ----------------------------------
7989 sub require_queued_conf_file ($)
7993 my $dir = $queue->dequeue ();
7994 my $loc_key = $queue->dequeue ();
7995 if ($loc_key eq QUEUE_LOCATION)
7997 $where = Automake::Location::deserialize ($queue);
7999 elsif ($loc_key eq QUEUE_STRING)
8001 $where = $queue->dequeue ();
8005 prog_error "unexpected key $loc_key";
8007 my $mystrict = $queue->dequeue ();
8008 my $nfiles = $queue->dequeue ();
8010 push @files, $queue->dequeue ()
8011 foreach (1 .. $nfiles);
8013 # Dequeuing happens outside of per-makefile context, so we have to
8014 # set the variables used by require_file_internal and the functions
8016 $relative_dir = $dir;
8017 require_file_internal ($where, $mystrict, $config_aux_dir, @files);
8020 # &require_conf_file ($WHERE, $MYSTRICT, @FILES)
8021 # ----------------------------------------------
8022 # Looks in configuration path, as specified by AC_CONFIG_AUX_DIR;
8023 # worker threads may queue up the action to be serialized by the master.
8025 # FIXME: this seriously relies on the semantics of require_file_internal
8026 # and maybe_push_required_file, in that we exploit the fact that only the
8027 # contents of the last handled output file may be impacted (which in turn
8028 # is dealt with by the master thread).
8029 sub require_conf_file ($$@)
8031 my ($where, $mystrict, @files) = @_;
8032 if (defined $required_conf_file_queue)
8034 queue_required_conf_file ($required_conf_file_queue, QUEUE_CONF_FILE,
8035 $relative_dir, $where, $mystrict, @files);
8039 require_file_internal ($where, $mystrict, $config_aux_dir, @files);
8044 # &require_conf_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
8045 # ----------------------------------------------------------------
8046 sub require_conf_file_with_macro ($$$@)
8048 my ($cond, $macro, $mystrict, @files) = @_;
8049 require_conf_file (rvar ($macro)->rdef ($cond)->location,
8053 ################################################################
8055 # &require_build_directory ($DIRECTORY)
8056 # -------------------------------------
8057 # Emit rules to create $DIRECTORY if needed, and return
8058 # the file that any target requiring this directory should be made
8060 # We don't want to emit the rule twice, and want to reuse it
8061 # for directories with equivalent names (e.g., `foo/bar' and `./foo//bar').
8062 sub require_build_directory ($)
8064 my $directory = shift;
8066 return $directory_map{$directory} if exists $directory_map{$directory};
8068 my $cdir = File::Spec->canonpath ($directory);
8070 if (exists $directory_map{$cdir})
8072 my $stamp = $directory_map{$cdir};
8073 $directory_map{$directory} = $stamp;
8077 my $dirstamp = "$cdir/\$(am__dirstamp)";
8079 $directory_map{$directory} = $dirstamp;
8080 $directory_map{$cdir} = $dirstamp;
8082 # Set a variable for the dirstamp basename.
8083 define_pretty_variable ('am__dirstamp', TRUE, INTERNAL,
8084 '$(am__leading_dot)dirstamp');
8086 # Directory must be removed by `make distclean'.
8087 $clean_files{$dirstamp} = DIST_CLEAN;
8089 $output_rules .= ("$dirstamp:\n"
8090 . "\t\@\$(MKDIR_P) $directory\n"
8091 . "\t\@: > $dirstamp\n");
8096 # &require_build_directory_maybe ($FILE)
8097 # --------------------------------------
8098 # If $FILE lies in a subdirectory, emit a rule to create this
8099 # directory and return the file that $FILE should be made
8100 # dependent upon. Otherwise, just return the empty string.
8101 sub require_build_directory_maybe ($)
8104 my $directory = dirname ($file);
8106 if ($directory ne '.')
8108 return require_build_directory ($directory);
8116 ################################################################
8118 # Push a list of files onto dist_common.
8119 sub push_dist_common
8121 prog_error "push_dist_common run after handle_dist"
8122 if $handle_dist_run;
8123 Automake::Variable::define ('DIST_COMMON', VAR_AUTOMAKE, '+', TRUE, "@_",
8124 '', INTERNAL, VAR_PRETTY);
8128 ################################################################
8130 # generate_makefile ($MAKEFILE_AM, $MAKEFILE_IN)
8131 # ----------------------------------------------
8132 # Generate a Makefile.in given the name of the corresponding Makefile and
8133 # the name of the file output by config.status.
8134 sub generate_makefile ($$)
8136 my ($makefile_am, $makefile_in) = @_;
8138 # Reset all the Makefile.am related variables.
8139 initialize_per_input;
8141 # AUTOMAKE_OPTIONS can contains -W flags to disable or enable
8142 # warnings for this file. So hold any warning issued before
8143 # we have processed AUTOMAKE_OPTIONS.
8144 buffer_messages ('warning');
8146 # Name of input file ("Makefile.am") and output file
8147 # ("Makefile.in"). These have no directory components.
8148 $am_file_name = basename ($makefile_am);
8149 $in_file_name = basename ($makefile_in);
8151 # $OUTPUT is encoded. If it contains a ":" then the first element
8152 # is the real output file, and all remaining elements are input
8153 # files. We don't scan or otherwise deal with these input files,
8154 # other than to mark them as dependencies. See
8155 # &scan_autoconf_files for details.
8156 my ($makefile, @inputs) = split (/:/, $output_files{$makefile_in});
8158 $relative_dir = dirname ($makefile);
8159 $am_relative_dir = dirname ($makefile_am);
8160 $topsrcdir = backname ($relative_dir);
8162 read_main_am_file ($makefile_am);
8165 # Process buffered warnings.
8167 # Fatal error. Just return, so we can continue with next file.
8170 # Process buffered warnings.
8173 # There are a few install-related variables that you should not define.
8174 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
8179 my $def = $v->def (TRUE);
8180 prog_error "$var not defined in condition TRUE"
8182 reject_var $var, "`$var' should not be defined"
8183 if $def->owner != VAR_AUTOMAKE;
8187 # Catch some obsolete variables.
8188 msg_var ('obsolete', 'INCLUDES',
8189 "`INCLUDES' is the old name for `AM_CPPFLAGS' (or `*_CPPFLAGS')")
8190 if var ('INCLUDES');
8192 # Must do this after reading .am file.
8193 define_variable ('subdir', $relative_dir, INTERNAL);
8195 # If DIST_SUBDIRS is defined, make sure SUBDIRS is, so that
8196 # recursive rules are enabled.
8197 define_pretty_variable ('SUBDIRS', TRUE, INTERNAL, '')
8198 if var 'DIST_SUBDIRS' && ! var 'SUBDIRS';
8200 # Check first, because we might modify some state.
8202 check_gnu_standards;
8203 check_gnits_standards;
8205 handle_configure ($makefile_am, $makefile_in, $makefile, @inputs);
8212 # These must be run after all the sources are scanned. They
8213 # use variables defined by &handle_libraries, &handle_ltlibraries,
8214 # or &handle_programs.
8219 # Variables used by distdir.am and tags.am.
8220 define_pretty_variable ('SOURCES', TRUE, INTERNAL, @sources);
8221 if (! option 'no-dist')
8223 define_pretty_variable ('DIST_SOURCES', TRUE, INTERNAL, @dist_sources);
8236 handle_minor_options;
8237 # Must come after handle_programs so that %known_programs is up-to-date.
8240 # This must come after most other rules.
8244 do_check_merge_target;
8245 handle_all ($makefile);
8248 if (var ('lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8250 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
8252 if (var ('nobase_lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8254 $output_rules .= "install-binPROGRAMS: install-nobase_libLTLIBRARIES\n\n";
8258 handle_clean ($makefile);
8259 handle_factored_dependencies;
8261 # Comes last, because all the above procedures may have
8262 # defined or overridden variables.
8263 $output_vars .= output_variables;
8267 my ($out_file) = $output_directory . '/' . $makefile_in;
8269 if ($exit_code != 0)
8271 verb "not writing $out_file because of earlier errors";
8275 if (! -d ($output_directory . '/' . $am_relative_dir))
8277 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
8280 # We make sure that `all:' is the first target.
8282 "$output_vars$output_all$output_header$output_rules$output_trailer";
8284 # Decide whether we must update the output file or not.
8285 # We have to update in the following situations.
8286 # * $force_generation is set.
8287 # * any of the output dependencies is younger than the output
8288 # * the contents of the output is different (this can happen
8289 # if the project has been populated with a file listed in
8290 # @common_files since the last run).
8291 # Output's dependencies are split in two sets:
8292 # * dependencies which are also configure dependencies
8293 # These do not change between each Makefile.am
8294 # * other dependencies, specific to the Makefile.am being processed
8295 # (such as the Makefile.am itself, or any Makefile fragment
8297 my $timestamp = mtime $out_file;
8298 if (! $force_generation
8299 && $configure_deps_greatest_timestamp < $timestamp
8300 && $output_deps_greatest_timestamp < $timestamp
8301 && $output eq contents ($out_file))
8303 verb "$out_file unchanged";
8304 # No need to update.
8311 or fatal "cannot remove $out_file: $!\n";
8314 my $gm_file = new Automake::XFile "> $out_file";
8315 verb "creating $out_file";
8316 print $gm_file $output;
8319 ################################################################
8324 ################################################################
8326 # Print usage information.
8329 print "Usage: $0 [OPTION] ... [Makefile]...
8331 Generate Makefile.in for configure from Makefile.am.
8334 --help print this help, then exit
8335 --version print version number, then exit
8336 -v, --verbose verbosely list files processed
8337 --no-force only update Makefile.in's that are out of date
8338 -W, --warnings=CATEGORY report the warnings falling in CATEGORY
8340 Dependency tracking:
8341 -i, --ignore-deps disable dependency tracking code
8342 --include-deps enable dependency tracking code
8345 --cygnus assume program is part of Cygnus-style tree
8346 --foreign set strictness to foreign
8347 --gnits set strictness to gnits
8348 --gnu set strictness to gnu
8351 -a, --add-missing add missing standard files to package
8352 --libdir=DIR directory storing library files
8353 -c, --copy with -a, copy missing files (default is symlink)
8354 -f, --force-missing force update of standard files
8357 Automake::ChannelDefs::usage;
8361 foreach my $iter (sort ((@common_files, @common_sometimes)))
8363 push (@lcomm, $iter) unless $iter eq $last;
8368 print "\nFiles which are automatically distributed, if found:\n";
8369 format USAGE_FORMAT =
8370 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
8371 $four[0], $four[1], $four[2], $four[3]
8373 $~ = "USAGE_FORMAT";
8376 my $rows = int(@lcomm / $cols);
8377 my $rest = @lcomm % $cols;
8388 for (my $y = 0; $y < $rows; $y++)
8390 @four = ("", "", "", "");
8391 for (my $x = 0; $x < $cols; $x++)
8393 last if $y + 1 == $rows && $x == $rest;
8395 my $idx = (($x > $rest)
8396 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
8400 $four[$x] = $lcomm[$idx];
8406 Report bugs to <@PACKAGE_BUGREPORT@>.
8407 GNU Automake home page: <@PACKAGE_URL@>.
8408 General help using GNU software: <http://www.gnu.org/gethelp/>.
8411 # --help always returns 0 per GNU standards.
8418 # Print version information
8422 automake (GNU $PACKAGE) $VERSION
8423 Copyright (C) 2011 Free Software Foundation, Inc.
8424 License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>
8425 This is free software: you are free to change and redistribute it.
8426 There is NO WARRANTY, to the extent permitted by law.
8428 Written by Tom Tromey <tromey\@redhat.com>
8429 and Alexandre Duret-Lutz <adl\@gnu.org>.
8431 # --version always returns 0 per GNU standards.
8435 ################################################################
8437 # Parse command line.
8438 sub parse_arguments ()
8441 set_strictness ('gnu');
8443 my $cli_where = new Automake::Location;
8446 'libdir=s' => \$libdir,
8447 'gnu' => sub { set_strictness ('gnu'); },
8448 'gnits' => sub { set_strictness ('gnits'); },
8449 'cygnus' => sub { set_global_option ('cygnus', $cli_where); },
8450 'foreign' => sub { set_strictness ('foreign'); },
8451 'include-deps' => sub { unset_global_option ('no-dependencies'); },
8452 'i|ignore-deps' => sub { set_global_option ('no-dependencies',
8454 'no-force' => sub { $force_generation = 0; },
8455 'f|force-missing' => \$force_missing,
8456 'o|output-dir=s' => \$output_directory,
8457 'a|add-missing' => \$add_missing,
8458 'c|copy' => \$copy_missing,
8459 'v|verbose' => sub { setup_channel 'verb', silent => 0; },
8460 'W|warnings=s' => \&parse_warnings,
8461 # These long options (--Werror and --Wno-error) for backward
8462 # compatibility. Use -Werror and -Wno-error today.
8463 'Werror' => sub { parse_warnings 'W', 'error'; },
8464 'Wno-error' => sub { parse_warnings 'W', 'no-error'; },
8467 Getopt::Long::config ("bundling", "pass_through");
8469 # See if --version or --help is used. We want to process these before
8470 # anything else because the GNU Coding Standards require us to
8471 # `exit 0' after processing these options, and we can't guarantee this
8472 # if we treat other options first. (Handling other options first
8473 # could produce error diagnostics, and in this condition it is
8474 # confusing if Automake does `exit 0'.)
8475 my %cli_options_1st_pass =
8477 'version' => \&version,
8479 # Recognize all other options (and their arguments) but do nothing.
8480 map { $_ => sub {} } (keys %cli_options)
8482 my @ARGV_backup = @ARGV;
8483 Getopt::Long::GetOptions %cli_options_1st_pass
8485 @ARGV = @ARGV_backup;
8487 # Now *really* process the options. This time we know that --help
8488 # and --version are not present, but we specify them nonetheless so
8489 # that ambiguous abbreviation are diagnosed.
8490 Getopt::Long::GetOptions %cli_options, 'version' => sub {}, 'help' => sub {}
8493 if (defined $output_directory)
8495 msg 'obsolete', "`--output-dir' is deprecated\n";
8499 # In the next release we'll remove this entirely.
8500 $output_directory = '.';
8503 return unless @ARGV;
8505 if ($ARGV[0] =~ /^-./)
8508 for my $k (keys %cli_options)
8510 if ($k =~ /(.*)=s$/)
8512 map { $argopts{(length ($_) == 1)
8513 ? "-$_" : "--$_" } = 1; } (split (/\|/, $1));
8516 if ($ARGV[0] eq '--')
8520 elsif (exists $argopts{$ARGV[0]})
8522 fatal ("option `$ARGV[0]' requires an argument\n"
8523 . "Try `$0 --help' for more information.");
8527 fatal ("unrecognized option `$ARGV[0]'.\n"
8528 . "Try `$0 --help' for more information.");
8533 foreach my $arg (@ARGV)
8535 fatal ("empty argument\nTry `$0 --help' for more information.")
8538 # Handle $local:$input syntax.
8539 my ($local, @rest) = split (/:/, $arg);
8540 @rest = ("$local.in",) unless @rest;
8541 my $input = locate_am @rest;
8544 push @input_files, $input;
8545 $output_files{$input} = join (':', ($local, @rest));
8549 error "no Automake input file found for `$arg'";
8553 fatal "no input file found among supplied arguments"
8554 if $errspec && ! @input_files;
8558 # handle_makefile ($MAKEFILE_IN)
8559 # ------------------------------
8560 # Deal with $MAKEFILE_IN.
8561 sub handle_makefile ($)
8564 ($am_file = $file) =~ s/\.in$//;
8565 if (! -f ($am_file . '.am'))
8567 error "`$am_file.am' does not exist";
8571 # Any warning setting now local to this Makefile.am.
8574 generate_makefile ($am_file . '.am', $file);
8576 # Back out any warning setting.
8581 # handle_makefiles_serial ()
8582 # --------------------------
8583 # Deal with all makefiles, without threads.
8584 sub handle_makefiles_serial ()
8586 foreach my $file (@input_files)
8588 handle_makefile ($file);
8592 # get_number_of_threads ()
8593 # ------------------------
8594 # Logic for deciding how many worker threads to use.
8595 sub get_number_of_threads
8597 my $nthreads = $ENV{'AUTOMAKE_JOBS'} || 0;
8600 unless $nthreads =~ /^[0-9]+$/;
8602 # It doesn't make sense to use more threads than makefiles,
8603 my $max_threads = @input_files;
8605 # but a single worker thread is helpful for exposing bugs.
8606 if ($automake_will_process_aux_dir && $max_threads > 1)
8610 if ($nthreads > $max_threads)
8612 $nthreads = $max_threads;
8617 # handle_makefiles_threaded ($NTHREADS)
8618 # -------------------------------------
8619 # Deal with all makefiles, using threads. The general strategy is to
8620 # spawn NTHREADS worker threads, dispatch makefiles to them, and let the
8621 # worker threads push back everything that needs serialization:
8622 # * warning and (normal) error messages, for stable stderr output
8623 # order and content (avoiding duplicates, for example),
8624 # * races when installing aux files (and respective messages),
8625 # * races when collecting aux files for distribution.
8627 # The latter requires that the makefile that deals with the aux dir
8628 # files be handled last, done by the master thread.
8629 sub handle_makefiles_threaded ($)
8631 my ($nthreads) = @_;
8633 my @queued_input_files = @input_files;
8634 my $last_input_file = undef;
8635 if ($automake_will_process_aux_dir)
8637 $last_input_file = pop @queued_input_files;
8640 # The file queue distributes all makefiles, the message queues
8641 # collect all serializations needed for respective files.
8642 my $file_queue = Thread::Queue->new;
8644 foreach my $file (@queued_input_files)
8646 $msg_queues{$file} = Thread::Queue->new;
8649 verb "spawning $nthreads worker threads";
8650 my @threads = (1 .. $nthreads);
8651 foreach my $t (@threads)
8653 $t = threads->new (sub
8655 while (my $file = $file_queue->dequeue)
8657 verb "handling $file";
8658 my $queue = $msg_queues{$file};
8659 setup_channel_queue ($queue, QUEUE_MESSAGE);
8660 $required_conf_file_queue = $queue;
8661 handle_makefile ($file);
8662 $queue->enqueue (undef);
8663 setup_channel_queue (undef, undef);
8664 $required_conf_file_queue = undef;
8670 # Queue all normal makefiles.
8671 verb "queuing " . @queued_input_files . " input files";
8672 $file_queue->enqueue (@queued_input_files, (undef) x @threads);
8674 # Collect and process serializations.
8675 foreach my $file (@queued_input_files)
8677 verb "dequeuing messages for " . $file;
8678 reset_local_duplicates ();
8679 my $queue = $msg_queues{$file};
8680 while (my $key = $queue->dequeue)
8682 if ($key eq QUEUE_MESSAGE)
8684 pop_channel_queue ($queue);
8686 elsif ($key eq QUEUE_CONF_FILE)
8688 require_queued_conf_file ($queue);
8692 prog_error "unexpected key $key";
8697 foreach my $t (@threads)
8699 my @exit_thread = $t->join;
8700 $exit_code = $exit_thread[0]
8701 if ($exit_thread[0] > $exit_code);
8704 # The master processes the last file.
8705 if ($automake_will_process_aux_dir)
8707 verb "processing last input file";
8708 handle_makefile ($last_input_file);
8712 ################################################################
8714 # Parse the WARNINGS environment variable.
8717 # Parse command line.
8720 $configure_ac = require_configure_ac;
8722 # Do configure.ac scan only once.
8723 scan_autoconf_files;
8728 $msg = "\nDid you forget AC_CONFIG_FILES([Makefile]) in $configure_ac?"
8729 if -f 'Makefile.am';
8730 fatal ("no `Makefile.am' found for any configure output$msg");
8733 my $nthreads = get_number_of_threads ();
8735 if ($perl_threads && $nthreads >= 1)
8737 handle_makefiles_threaded ($nthreads);
8741 handle_makefiles_serial ();
8747 ### Setup "GNU" style for perl-mode and cperl-mode.
8749 ## perl-indent-level: 2
8750 ## perl-continued-statement-offset: 2
8751 ## perl-continued-brace-offset: 0
8752 ## perl-brace-offset: 0
8753 ## perl-brace-imaginary-offset: 0
8754 ## perl-label-offset: -2
8755 ## cperl-indent-level: 2
8756 ## cperl-brace-offset: 0
8757 ## cperl-continued-brace-offset: 0
8758 ## cperl-label-offset: -2
8759 ## cperl-extra-newline-before-brace: t
8760 ## cperl-merge-trailing-else: nil
8761 ## cperl-continued-statement-offset: 2