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) 1994-2012 Free Software Foundation, Inc.
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2, or (at your option)
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program. If not, see <http://www.gnu.org/licenses/>.
24 # Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
25 # Perl reimplementation by Tom Tromey <tromey@redhat.com>, and
26 # Alexandre Duret-Lutz <adl@gnu.org>.
32 my $perllibdir = $ENV{'perllibdir'} || '@datadir@/@PACKAGE@-@APIVERSION@';
33 unshift @INC, (split '@PATH_SEPARATOR@', $perllibdir);
35 # Override SHELL. This is required on DJGPP so that system() uses
36 # bash, not COMMAND.COM which doesn't quote arguments properly.
37 # Other systems aren't expected to use $SHELL when Automake
38 # runs, but it should be safe to drop the "if DJGPP" guard if
39 # it turns up other systems need the same thing. After all,
40 # if SHELL is used, ./configure's SHELL is always better than
41 # the user's SHELL (which may be something like tcsh).
42 $ENV{'SHELL'} = '@SHELL@' if exists $ENV{'DJDIR'};
46 Class::Struct::struct (
47 # Short name of the language (c, f77...).
49 # Nice name of the language (C, Fortran 77...).
52 # List of configure variables which must be defined.
55 # 'pure' is '1' or ''. A 'pure' language is one where, if
56 # all the files in a directory are of that language, then we
57 # do not require the C compiler or any code to call it.
62 # Name of the compiling variable (COMPILE).
64 # Content of the compiling variable.
66 # Flag to require compilation without linking (-c).
67 'compile_flag' => "\$",
69 # A subroutine to compute a list of possible extensions of
70 # the product given the input extensions.
71 # (defaults to a subroutine which returns ('.$(OBJEXT)', '.lo'))
72 'output_extensions' => "\$",
73 # A list of flag variables used in 'compile'.
77 # Any tag to pass to libtool while compiling.
78 'libtool_tag' => "\$",
80 # The file to use when generating rules for this language.
81 # The default is 'depend2'.
84 # Name of the linking variable (LINK).
86 # Content of the linking variable.
89 # Name of the compiler variable (CC).
92 # Name of the linker variable (LD).
94 # Content of the linker variable ($(CC)).
97 # Flag to specify the output file (-o).
98 'output_flag' => "\$",
101 # This is a subroutine which is called whenever we finally
102 # determine the context in which a source file will be
104 '_target_hook' => "\$",
106 # If TRUE, nodist_ sources will be compiled using specific rules
107 # (i.e. not inference rules). The default is FALSE.
108 'nodist_specific' => "\$");
114 if (defined $self->_finish)
116 &{$self->_finish} (@_);
120 sub target_hook ($$$$%)
123 if (defined $self->_target_hook)
125 &{$self->_target_hook} (@_);
132 use Automake::Config;
139 require Thread::Queue;
140 import Thread::Queue;
143 use Automake::General;
145 use Automake::Channels;
146 use Automake::ChannelDefs;
147 use Automake::Configure_ac;
148 use Automake::FileUtils;
149 use Automake::Location;
150 use Automake::Condition qw/TRUE FALSE/;
151 use Automake::DisjConditions;
152 use Automake::Options;
153 use Automake::Variable;
154 use Automake::VarDef;
156 use Automake::RuleDef;
157 use Automake::Wrap 'makefile_wrap';
166 # Some regular expressions. One reason to put them here is that it
167 # makes indentation work better in Emacs.
169 # Writing singled-quoted-$-terminated regexes is a pain because
170 # perl-mode thinks of $' as the ${'} variable (instead of a $ followed
171 # by a closing quote. Letting perl-mode think the quote is not closed
172 # leads to all sort of misindentations. On the other hand, defining
173 # regexes as double-quoted strings is far less readable. So usually
176 # $REGEX = '^regex_value' . "\$";
178 my $IGNORE_PATTERN = '^\s*##([^#\n].*)?\n';
179 my $WHITE_PATTERN = '^\s*' . "\$";
180 my $COMMENT_PATTERN = '^#';
181 my $TARGET_PATTERN='[$a-zA-Z0-9_.@%][-.a-zA-Z0-9_(){}/$+@%]*';
182 # A rule has three parts: a list of targets, a list of dependencies,
183 # and optionally actions.
185 "^($TARGET_PATTERN(?:(?:\\\\\n|\\s)+$TARGET_PATTERN)*) *:([^=].*|)\$";
187 # Only recognize leading spaces, not leading tabs. If we recognize
188 # leading tabs here then we need to make the reader smarter, because
189 # otherwise it will think rules like 'foo=bar; \' are errors.
190 my $ASSIGNMENT_PATTERN = '^ *([^ \t=:+]*)\s*([:+]?)=\s*(.*)' . "\$";
191 # This pattern recognizes a Gnits version id and sets $1 if the
192 # release is an alpha release. We also allow a suffix which can be
193 # used to extend the version number with a "fork" identifier.
194 my $GNITS_VERSION_PATTERN = '\d+\.\d+([a-z]|\.\d+)?(-[A-Za-z0-9]+)?';
196 my $IF_PATTERN = '^if\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*)\s*(?:#.*)?' . "\$";
198 '^else(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
200 '^endif(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
201 my $PATH_PATTERN = '(\w|[+/.-])+';
202 # This will pass through anything not of the prescribed form.
203 my $INCLUDE_PATTERN = ('^include\s+'
204 . '((\$\(top_srcdir\)/' . $PATH_PATTERN . ')'
205 . '|(\$\(srcdir\)/' . $PATH_PATTERN . ')'
206 . '|([^/\$]' . $PATH_PATTERN . '))\s*(#.*)?' . "\$");
208 # Directories installed during 'install-exec' phase.
209 my $EXEC_DIR_PATTERN =
210 '^(?:bin|sbin|libexec|sysconf|localstate|lib|pkglib|.*exec.*)' . "\$";
212 # Values for AC_CANONICAL_*
213 use constant AC_CANONICAL_BUILD => 1;
214 use constant AC_CANONICAL_HOST => 2;
215 use constant AC_CANONICAL_TARGET => 3;
217 # Values indicating when something should be cleaned.
218 use constant MOSTLY_CLEAN => 0;
219 use constant CLEAN => 1;
220 use constant DIST_CLEAN => 2;
221 use constant MAINTAINER_CLEAN => 3;
224 my @libtool_files = qw(ltmain.sh config.guess config.sub);
225 # ltconfig appears here for compatibility with old versions of libtool.
226 my @libtool_sometimes = qw(ltconfig ltcf-c.sh ltcf-cxx.sh ltcf-gcj.sh);
228 # Commonly found files we look for and automatically include in
231 (qw(ABOUT-GNU ABOUT-NLS AUTHORS BACKLOG COPYING COPYING.DOC COPYING.LIB
232 COPYING.LESSER ChangeLog INSTALL NEWS README THANKS TODO
233 ar-lib compile config.guess config.rpath
234 config.sub depcomp elisp-comp install-sh libversion.in mdate-sh
235 missing mkinstalldirs py-compile texinfo.tex ylwrap),
236 @libtool_files, @libtool_sometimes);
238 # Commonly used files we auto-include, but only sometimes. This list
239 # is used for the --help output only.
240 my @common_sometimes =
241 qw(aclocal.m4 acconfig.h config.h.top config.h.bot configure
242 configure.ac configure.in stamp-vti);
244 # Standard directories from the GNU Coding Standards, and additional
245 # pkg* directories from Automake. Stored in a hash for fast member check.
246 my %standard_prefix =
247 map { $_ => 1 } (qw(bin data dataroot doc dvi exec html include info
248 lib libexec lisp locale localstate man man1 man2
249 man3 man4 man5 man6 man7 man8 man9 oldinclude pdf
250 pkgdata pkginclude pkglib pkglibexec ps sbin
251 sharedstate sysconf));
253 # Copyright on generated Makefile.ins.
254 my $gen_copyright = "\
255 # Copyright (C) 1994-$RELEASE_YEAR Free Software Foundation, Inc.
257 # This Makefile.in is free software; the Free Software Foundation
258 # gives unlimited permission to copy and/or distribute it,
259 # with or without modifications, as long as this notice is preserved.
261 # This program is distributed in the hope that it will be useful,
262 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
263 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
264 # PARTICULAR PURPOSE.
267 # These constants are returned by the lang_*_rewrite functions.
268 # LANG_SUBDIR means that the resulting object file should be in a
269 # subdir if the source file is. In this case the file name cannot
270 # have '..' components.
271 use constant LANG_IGNORE => 0;
272 use constant LANG_PROCESS => 1;
273 use constant LANG_SUBDIR => 2;
275 # These are used when keeping track of whether an object can be built
276 # by two different paths.
277 use constant COMPILE_LIBTOOL => 1;
278 use constant COMPILE_ORDINARY => 2;
280 # We can't always associate a location to a variable or a rule,
281 # when it's defined by Automake. We use INTERNAL in this case.
282 use constant INTERNAL => new Automake::Location;
284 # Serialization keys for message queues.
285 use constant QUEUE_MESSAGE => "msg";
286 use constant QUEUE_CONF_FILE => "conf file";
287 use constant QUEUE_LOCATION => "location";
288 use constant QUEUE_STRING => "string";
290 ## ---------------------------------- ##
291 ## Variables related to the options. ##
292 ## ---------------------------------- ##
294 # TRUE if we should always generate Makefile.in.
295 my $force_generation = 1;
297 # From the Perl manual.
298 my $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
300 # TRUE if missing standard files should be installed.
303 # TRUE if we should copy missing files; otherwise symlink if possible.
304 my $copy_missing = 0;
306 # TRUE if we should always update files that we know about.
307 my $force_missing = 0;
310 ## ---------------------------------------- ##
311 ## Variables filled during files scanning. ##
312 ## ---------------------------------------- ##
314 # Name of the configure.ac file.
317 # Files found by scanning configure.ac for LIBOBJS.
320 # Names used in AC_CONFIG_HEADER call.
321 my @config_headers = ();
323 # Names used in AC_CONFIG_LINKS call.
324 my @config_links = ();
326 # List of Makefile.am's to process, and their corresponding outputs.
327 my @input_files = ();
328 my %output_files = ();
330 # Complete list of Makefile.am's that exist.
331 my @configure_input_files = ();
333 # List of files in AC_CONFIG_FILES/AC_OUTPUT without Makefile.am's,
335 my @other_input_files = ();
336 # Where each AC_CONFIG_FILES/AC_OUTPUT/AC_CONFIG_LINK/AC_CONFIG_HEADER appears.
337 # The keys are the files created by these macros.
338 my %ac_config_files_location = ();
339 # The condition under which AC_CONFIG_FOOS appears.
340 my %ac_config_files_condition = ();
342 # Directory to search for configure-required files. This
343 # will be computed by &locate_aux_dir and can be set using
344 # AC_CONFIG_AUX_DIR in configure.ac.
345 # $CONFIG_AUX_DIR is the 'raw' directory, valid only in the source-tree.
346 my $config_aux_dir = '';
347 my $config_aux_dir_set_in_configure_ac = 0;
348 # $AM_CONFIG_AUX_DIR is prefixed with $(top_srcdir), so it can be used
350 my $am_config_aux_dir = '';
352 # Directory to search for AC_LIBSOURCE files, as set by AC_CONFIG_LIBOBJ_DIR
354 my $config_libobj_dir = '';
356 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
357 my $seen_gettext = 0;
358 # Whether AM_GNU_GETTEXT([external]) is used.
359 my $seen_gettext_external = 0;
360 # Where AM_GNU_GETTEXT appears.
361 my $ac_gettext_location;
362 # Whether AM_GNU_GETTEXT_INTL_SUBDIR has been seen.
363 my $seen_gettext_intl = 0;
365 # Lists of tags supported by Libtool.
366 my %libtool_tags = ();
367 # 1 if Libtool uses LT_SUPPORTED_TAG. If it does, then it also
368 # uses AC_REQUIRE_AUX_FILE.
369 my $libtool_new_api = 0;
371 # Most important AC_CANONICAL_* macro seen so far.
372 my $seen_canonical = 0;
373 # Location of that macro.
374 my $canonical_location;
376 # Where AM_MAINTAINER_MODE appears.
379 # Actual version we've seen.
380 my $package_version = '';
382 # Where version is defined.
383 my $package_version_location;
385 # TRUE if we've seen AM_PROG_AR
388 # TRUE if we've seen AM_PROG_CC_C_O
391 # Location of AC_REQUIRE_AUX_FILE calls, indexed by their argument.
392 my %required_aux_file = ();
394 # Where AM_INIT_AUTOMAKE is called;
395 my $seen_init_automake = 0;
397 # TRUE if we've seen AM_AUTOMAKE_VERSION.
398 my $seen_automake_version = 0;
400 # Hash table of discovered configure substitutions. Keys are names,
401 # values are 'FILE:LINE' strings which are used by error message
403 my %configure_vars = ();
405 # Ignored configure substitutions (i.e., variables not to be output in
407 my %ignored_configure_vars = ();
409 # Files included by $configure_ac.
410 my @configure_deps = ();
412 # Greatest timestamp of configure's dependencies.
413 my $configure_deps_greatest_timestamp = 0;
415 # Hash table of AM_CONDITIONAL variables seen in configure.
416 my %configure_cond = ();
418 # This maps extensions onto language names.
419 my %extension_map = ();
421 # List of the DIST_COMMON files we discovered while reading
423 my $configure_dist_common = '';
425 # This maps languages names onto objects.
427 # Maps each linker variable onto a language object.
428 my %link_languages = ();
430 # maps extensions to needed source flags.
431 my %sourceflags = ();
433 # List of targets we must always output.
434 # FIXME: Complete, and remove falsely required targets.
435 my %required_targets =
448 # FIXME: Not required, temporary hacks.
449 # Well, actually they are sort of required: the -recursive
450 # targets will run them anyway...
456 'install-data-am' => 1,
457 'install-exec-am' => 1,
458 'install-html-am' => 1,
459 'install-dvi-am' => 1,
460 'install-pdf-am' => 1,
461 'install-ps-am' => 1,
462 'install-info-am' => 1,
463 'installcheck-am' => 1,
469 # Queue to push require_conf_file requirements to.
470 my $required_conf_file_queue;
472 # The name of the Makefile currently being processed.
475 ################################################################
477 ## ------------------------------------------ ##
478 ## Variables reset by &initialize_per_input. ##
479 ## ------------------------------------------ ##
481 # Basename and relative dir of the input file.
485 # Same but wrt Makefile.in.
489 # Relative path to the top directory.
492 # Greatest timestamp of the output's dependencies (excluding
493 # configure's dependencies).
494 my $output_deps_greatest_timestamp;
496 # These variables are used when generating each Makefile.in.
497 # They hold the Makefile.in until it is ready to be printed.
504 # This is the conditional stack, updated on if/else/endif, and
505 # used to build Condition objects.
508 # This holds the set of included files.
511 # List of dependencies for the obvious targets.
516 # Keys in this hash table are files to delete. The associated
517 # value tells when this should happen (MOSTLY_CLEAN, DIST_CLEAN, etc.)
520 # Keys in this hash table are object files or other files in
521 # subdirectories which need to be removed. This only holds files
522 # which are created by compilations. The value in the hash indicates
523 # when the file should be removed.
524 my %compile_clean_files;
526 # Keys in this hash table are directories where we expect to build a
527 # libtool object. We use this information to decide what directories
529 my %libtool_clean_directories;
531 # Value of $(SOURCES), used by tags.am.
533 # Sources which go in the distribution.
536 # This hash maps object file names onto their corresponding source
537 # file names. This is used to ensure that each object is created
538 # by a single source file.
541 # This hash maps object file names onto an integer value representing
542 # whether this object has been built via ordinary compilation or
543 # libtool compilation (the COMPILE_* constants).
544 my %object_compilation_map;
547 # This keeps track of the directories for which we've already
548 # created dirstamp code. Keys are directories, values are stamp files.
549 # Several keys can share the same stamp files if they are equivalent
550 # (as are './/foo' and 'foo').
556 # This is a list of all targets to run during "make dist".
559 # Keep track of all programs declared in this Makefile, without
560 # $(EXEEXT). @substitutions@ are not listed.
564 # This keeps track of which extensions we've seen (that we care
568 # This is random scratch space for the language finish functions.
569 # Don't randomly overwrite it; examine other uses of keys first.
570 my %language_scratch;
572 # We keep track of which objects need special (per-executable)
573 # handling on a per-language basis.
574 my %lang_specific_files;
576 # This is set when 'handle_dist' has finished. Once this happens,
577 # we should no longer push on dist_common.
580 # Used to store a set of linkers needed to generate the sources currently
581 # under consideration.
584 # True if we need 'LINK' defined. This is a hack.
587 # Does the generated Makefile have to build some compiled object
588 # (for binary programs, or plain or libtool libraries)?
589 my $must_handle_compiled_objects;
591 # Record each file processed by make_paragraphs.
592 my %transformed_files;
594 ################################################################
596 ## ---------------------------------------------- ##
597 ## Variables not reset by &initialize_per_input. ##
598 ## ---------------------------------------------- ##
600 # Cache each file processed by make_paragraphs.
601 # (This is different from %transformed_files because
602 # %transformed_files is reset for each file while %am_file_cache
603 # it global to the run.)
606 ################################################################
608 # var_SUFFIXES_trigger ($TYPE, $VALUE)
609 # ------------------------------------
610 # This is called by Automake::Variable::define() when SUFFIXES
611 # is defined ($TYPE eq '') or appended ($TYPE eq '+').
612 # The work here needs to be performed as a side-effect of the
613 # macro_define() call because SUFFIXES definitions impact
614 # on $KNOWN_EXTENSIONS_PATTERN which is used used when parsing
616 sub var_SUFFIXES_trigger ($$)
618 my ($type, $value) = @_;
619 accept_extensions (split (' ', $value));
621 Automake::Variable::hook ('SUFFIXES', \&var_SUFFIXES_trigger);
623 ################################################################
625 ## --------------------------------- ##
626 ## Forward subroutine declarations. ##
627 ## --------------------------------- ##
628 sub register_language (%);
629 sub file_contents_internal ($$$%);
630 sub define_files_variable ($\@$$);
633 # &initialize_per_input ()
634 # ------------------------
635 # (Re)-Initialize per-Makefile.am variables.
636 sub initialize_per_input ()
638 reset_local_duplicates ();
640 $am_file_name = undef;
641 $am_relative_dir = undef;
643 $in_file_name = undef;
644 $relative_dir = undef;
647 $output_deps_greatest_timestamp = 0;
653 $output_trailer = '';
655 Automake::Options::reset;
656 Automake::Variable::reset;
657 Automake::Rule::reset;
668 %compile_clean_files = ();
670 # We always include '.'. This isn't strictly correct.
671 %libtool_clean_directories = ('.' => 1);
677 %object_compilation_map = ();
685 %known_programs = ();
686 %known_libraries= ();
688 %extension_seen = ();
690 %language_scratch = ();
692 %lang_specific_files = ();
694 $handle_dist_run = 0;
698 $must_handle_compiled_objects = 0;
700 %transformed_files = ();
704 ################################################################
706 # Initialize our list of languages that are internally supported.
709 register_language ('name' => 'c',
711 'config_vars' => ['CC'],
713 'flags' => ['CFLAGS', 'CPPFLAGS'],
715 'compiler' => 'COMPILE',
716 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
720 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
721 'compile_flag' => '-c',
722 'libtool_tag' => 'CC',
723 'extensions' => ['.c']);
726 register_language ('name' => 'cxx',
728 'config_vars' => ['CXX'],
729 'linker' => 'CXXLINK',
730 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
732 'flags' => ['CXXFLAGS', 'CPPFLAGS'],
733 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
735 'compiler' => 'CXXCOMPILE',
736 'compile_flag' => '-c',
737 'output_flag' => '-o',
738 'libtool_tag' => 'CXX',
742 'extensions' => ['.c++', '.cc', '.cpp', '.cxx', '.C']);
745 register_language ('name' => 'objc',
746 'Name' => 'Objective C',
747 'config_vars' => ['OBJC'],
748 'linker' => 'OBJCLINK',
749 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
751 'flags' => ['OBJCFLAGS', 'CPPFLAGS'],
752 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
754 'compiler' => 'OBJCCOMPILE',
755 'compile_flag' => '-c',
756 'output_flag' => '-o',
760 'extensions' => ['.m']);
763 register_language ('name' => 'objcxx',
764 'Name' => 'Objective C++',
765 'config_vars' => ['OBJCXX'],
766 'linker' => 'OBJCXXLINK',
767 'link' => '$(OBJCXXLD) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
768 'autodep' => 'OBJCXX',
769 'flags' => ['OBJCXXFLAGS', 'CPPFLAGS'],
770 'compile' => '$(OBJCXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS)',
772 'compiler' => 'OBJCXXCOMPILE',
773 'compile_flag' => '-c',
774 'output_flag' => '-o',
775 'lder' => 'OBJCXXLD',
778 'extensions' => ['.mm']);
780 # Unified Parallel C.
781 register_language ('name' => 'upc',
782 'Name' => 'Unified Parallel C',
783 'config_vars' => ['UPC'],
784 'linker' => 'UPCLINK',
785 'link' => '$(UPCLD) $(AM_UPCFLAGS) $(UPCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
787 'flags' => ['UPCFLAGS', 'CPPFLAGS'],
788 'compile' => '$(UPC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_UPCFLAGS) $(UPCFLAGS)',
790 'compiler' => 'UPCCOMPILE',
791 'compile_flag' => '-c',
792 'output_flag' => '-o',
796 'extensions' => ['.upc']);
799 register_language ('name' => 'header',
801 'extensions' => ['.h', '.H', '.hxx', '.h++', '.hh',
804 'output_extensions' => sub { return () },
806 '_finish' => sub { });
809 register_language ('name' => 'vala',
811 'config_vars' => ['VALAC'],
813 'compile' => '$(VALAC) $(AM_VALAFLAGS) $(VALAFLAGS)',
815 'compiler' => 'VALACOMPILE',
816 'extensions' => ['.vala'],
817 'output_extensions' => sub { (my $ext = $_[0]) =~ s/vala$/c/;
819 'rule_file' => 'vala',
820 '_finish' => \&lang_vala_finish,
821 '_target_hook' => \&lang_vala_target_hook,
822 'nodist_specific' => 1);
825 register_language ('name' => 'yacc',
827 'config_vars' => ['YACC'],
828 'flags' => ['YFLAGS'],
829 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
831 'compiler' => 'YACCCOMPILE',
832 'extensions' => ['.y'],
833 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
835 'rule_file' => 'yacc',
836 '_finish' => \&lang_yacc_finish,
837 '_target_hook' => \&lang_yacc_target_hook,
838 'nodist_specific' => 1);
839 register_language ('name' => 'yaccxx',
840 'Name' => 'Yacc (C++)',
841 'config_vars' => ['YACC'],
842 'rule_file' => 'yacc',
843 'flags' => ['YFLAGS'],
845 'compiler' => 'YACCCOMPILE',
846 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
847 'extensions' => ['.y++', '.yy', '.yxx', '.ypp'],
848 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
850 '_finish' => \&lang_yacc_finish,
851 '_target_hook' => \&lang_yacc_target_hook,
852 'nodist_specific' => 1);
855 register_language ('name' => 'lex',
857 'config_vars' => ['LEX'],
858 'rule_file' => 'lex',
859 'flags' => ['LFLAGS'],
860 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
862 'compiler' => 'LEXCOMPILE',
863 'extensions' => ['.l'],
864 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
866 '_finish' => \&lang_lex_finish,
867 '_target_hook' => \&lang_lex_target_hook,
868 'nodist_specific' => 1);
869 register_language ('name' => 'lexxx',
870 'Name' => 'Lex (C++)',
871 'config_vars' => ['LEX'],
872 'rule_file' => 'lex',
873 'flags' => ['LFLAGS'],
874 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
876 'compiler' => 'LEXCOMPILE',
877 'extensions' => ['.l++', '.ll', '.lxx', '.lpp'],
878 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
880 '_finish' => \&lang_lex_finish,
881 '_target_hook' => \&lang_lex_target_hook,
882 'nodist_specific' => 1);
885 register_language ('name' => 'asm',
886 'Name' => 'Assembler',
887 'config_vars' => ['CCAS', 'CCASFLAGS'],
889 'flags' => ['CCASFLAGS'],
890 # Users can set AM_CCASFLAGS to include DEFS, INCLUDES,
891 # or anything else required. They can also set CCAS.
892 # Or simply use Preprocessed Assembler.
893 'compile' => '$(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)',
895 'compiler' => 'CCASCOMPILE',
896 'compile_flag' => '-c',
897 'output_flag' => '-o',
898 'extensions' => ['.s']);
900 # Preprocessed Assembler.
901 register_language ('name' => 'cppasm',
902 'Name' => 'Preprocessed Assembler',
903 'config_vars' => ['CCAS', 'CCASFLAGS'],
906 'flags' => ['CCASFLAGS', 'CPPFLAGS'],
907 'compile' => '$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)',
909 'compiler' => 'CPPASCOMPILE',
910 'compile_flag' => '-c',
911 'output_flag' => '-o',
912 'extensions' => ['.S', '.sx']);
915 register_language ('name' => 'f77',
916 'Name' => 'Fortran 77',
917 'config_vars' => ['F77'],
918 'linker' => 'F77LINK',
919 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
920 'flags' => ['FFLAGS'],
921 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
923 'compiler' => 'F77COMPILE',
924 'compile_flag' => '-c',
925 'output_flag' => '-o',
926 'libtool_tag' => 'F77',
930 'extensions' => ['.f', '.for']);
933 register_language ('name' => 'fc',
935 'config_vars' => ['FC'],
936 'linker' => 'FCLINK',
937 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
938 'flags' => ['FCFLAGS'],
939 'compile' => '$(FC) $(AM_FCFLAGS) $(FCFLAGS)',
941 'compiler' => 'FCCOMPILE',
942 'compile_flag' => '-c',
943 'output_flag' => '-o',
944 'libtool_tag' => 'FC',
948 'extensions' => ['.f90', '.f95', '.f03', '.f08']);
950 # Preprocessed Fortran
951 register_language ('name' => 'ppfc',
952 'Name' => 'Preprocessed Fortran',
953 'config_vars' => ['FC'],
954 'linker' => 'FCLINK',
955 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
958 'flags' => ['FCFLAGS', 'CPPFLAGS'],
960 'compiler' => 'PPFCCOMPILE',
961 'compile' => '$(FC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FCFLAGS) $(FCFLAGS)',
962 'compile_flag' => '-c',
963 'output_flag' => '-o',
964 'libtool_tag' => 'FC',
966 'extensions' => ['.F90','.F95', '.F03', '.F08']);
968 # Preprocessed Fortran 77
970 # The current support for preprocessing Fortran 77 just involves
971 # passing "$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
972 # $(CPPFLAGS)" as additional flags to the Fortran 77 compiler, since
973 # this is how GNU Make does it; see the "GNU Make Manual, Edition 0.51
974 # for 'make' Version 3.76 Beta" (specifically, from info file
975 # '(make)Catalogue of Rules').
977 # A better approach would be to write an Autoconf test
978 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
979 # Fortran 77 compilers know how to do preprocessing. The Autoconf
980 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
981 # preprocessing capabilities, and then fall back on cpp (if cpp were
983 register_language ('name' => 'ppf77',
984 'Name' => 'Preprocessed Fortran 77',
985 'config_vars' => ['F77'],
986 'linker' => 'F77LINK',
987 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
990 'flags' => ['FFLAGS', 'CPPFLAGS'],
992 'compiler' => 'PPF77COMPILE',
993 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
994 'compile_flag' => '-c',
995 'output_flag' => '-o',
996 'libtool_tag' => 'F77',
998 'extensions' => ['.F']);
1001 register_language ('name' => 'ratfor',
1003 'config_vars' => ['F77'],
1004 'linker' => 'F77LINK',
1005 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1008 'flags' => ['RFLAGS', 'FFLAGS'],
1009 # FIXME also FFLAGS.
1010 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
1012 'compiler' => 'RCOMPILE',
1013 'compile_flag' => '-c',
1014 'output_flag' => '-o',
1015 'libtool_tag' => 'F77',
1017 'extensions' => ['.r']);
1020 register_language ('name' => 'java',
1022 'config_vars' => ['GCJ'],
1023 'linker' => 'GCJLINK',
1024 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1026 'flags' => ['GCJFLAGS'],
1027 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
1029 'compiler' => 'GCJCOMPILE',
1030 'compile_flag' => '-c',
1031 'output_flag' => '-o',
1032 'libtool_tag' => 'GCJ',
1036 'extensions' => ['.java', '.class', '.zip', '.jar']);
1038 ################################################################
1040 # Error reporting functions.
1042 # err_am ($MESSAGE, [%OPTIONS])
1043 # -----------------------------
1044 # Uncategorized errors about the current Makefile.am.
1047 msg_am ('error', @_);
1050 # err_ac ($MESSAGE, [%OPTIONS])
1051 # -----------------------------
1052 # Uncategorized errors about configure.ac.
1055 msg_ac ('error', @_);
1058 # msg_am ($CHANNEL, $MESSAGE, [%OPTIONS])
1059 # ---------------------------------------
1060 # Messages about about the current Makefile.am.
1063 my ($channel, $msg, %opts) = @_;
1064 msg $channel, "${am_file}.am", $msg, %opts;
1067 # msg_ac ($CHANNEL, $MESSAGE, [%OPTIONS])
1068 # ---------------------------------------
1069 # Messages about about configure.ac.
1072 my ($channel, $msg, %opts) = @_;
1073 msg $channel, $configure_ac, $msg, %opts;
1076 ################################################################
1080 # Return a configure-style substitution using the indicated text.
1081 # We do this to avoid having the substitutions directly in automake.in;
1082 # when we do that they are sometimes removed and this causes confusion
1087 return '@' . $text . '@';
1090 ################################################################
1094 # &backname ($RELDIR)
1095 # --------------------
1096 # If I "cd $RELDIR", then to come back, I should "cd $BACKPATH".
1097 # For instance 'src/foo' => '../..'.
1098 # Works with non strictly increasing paths, i.e., 'src/../lib' => '..'.
1103 foreach (split (/\//, $file))
1105 next if $_ eq '.' || $_ eq '';
1109 or prog_error ("trying to reverse path '$file' pointing outside tree");
1116 return join ('/', @res) || '.';
1119 ################################################################
1121 # Silent rules handling functions.
1123 # verbose_var (NAME)
1124 # ------------------
1125 # The public variable stem used to implement silent rules.
1129 return 'AM_V_' . $name;
1132 # verbose_private_var (NAME)
1133 # --------------------------
1134 # The naming policy for the private variables for silent rules.
1135 sub verbose_private_var ($)
1138 return 'am__v_' . $name;
1141 # define_verbose_var (NAME, VAL)
1142 # ------------------------------
1143 # For silent rules, setup VAR and dispatcher, to expand to VAL if silent.
1144 sub define_verbose_var ($$)
1146 my ($name, $val) = @_;
1147 my $var = verbose_var ($name);
1148 my $pvar = verbose_private_var ($name);
1149 my $silent_var = $pvar . '_0';
1150 # For typical 'make's, 'configure' replaces AM_V (inside @@) with $(V)
1151 # and AM_DEFAULT_V (inside @@) with $(AM_DEFAULT_VERBOSITY).
1152 # For strict POSIX 2008 'make's, it replaces them with 0 or 1 instead.
1153 # See AM_SILENT_RULES in m4/silent.m4.
1154 define_variable ($var, '$(' . $pvar . '_@'.'AM_V'.'@)', INTERNAL);
1155 define_variable ($pvar . '_', '$(' . $pvar . '_@'.'AM_DEFAULT_V'.'@)',
1157 Automake::Variable::define ($silent_var, VAR_AUTOMAKE, '', TRUE, $val,
1158 '', INTERNAL, VAR_ASIS)
1159 if (! vardef ($silent_var, TRUE));
1162 # Above should not be needed in the general automake code.
1164 # verbose_flag (NAME)
1165 # -------------------
1166 # Contents of %VERBOSE%: variable to expand before rule command.
1167 sub verbose_flag ($)
1170 return '$(' . verbose_var ($name) . ')';
1173 sub verbose_nodep_flag ($)
1176 return '$(' . verbose_var ($name) . subst ('am__nodep') . ')';
1181 # Contents of %SILENT%: variable to expand to '@' when silent.
1184 return verbose_flag ('at');
1187 # define_verbose_tagvar (NAME)
1188 # ----------------------------
1189 # Engage the needed silent rules machinery for tag NAME.
1190 sub define_verbose_tagvar ($)
1193 define_verbose_var ($name, '@echo " '. $name . ' ' x (8 - length ($name)) . '" $@;');
1194 define_verbose_var ('at', '@');
1197 # define_verbose_texinfo
1198 # ----------------------
1199 # Engage the needed silent rules machinery for assorted texinfo commands.
1200 sub define_verbose_texinfo ()
1202 my @tagvars = ('DVIPS', 'MAKEINFO', 'INFOHTML', 'TEXI2DVI', 'TEXI2PDF');
1203 foreach my $tag (@tagvars)
1205 define_verbose_tagvar($tag);
1207 define_verbose_var('texinfo', '-q');
1208 define_verbose_var('texidevnull', '> /dev/null');
1211 # define_verbose_libtool
1212 # ----------------------
1213 # Engage the needed silent rules machinery for 'libtool --silent'.
1214 sub define_verbose_libtool ()
1216 define_verbose_var ('lt', '--silent');
1217 return verbose_flag ('lt');
1221 ################################################################
1224 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
1227 my $var = var ('AUTOMAKE_OPTIONS');
1230 if ($var->has_conditional_contents)
1232 msg_var ('unsupported', $var,
1233 "'AUTOMAKE_OPTIONS' cannot have conditional contents");
1235 my @options = map { { option => $_->[1], where => $_->[0] } }
1236 $var->value_as_list_recursive (cond_filter => TRUE,
1238 return 1 if process_option_list (@options);
1241 if ($strictness == GNITS)
1243 set_option ('readme-alpha', INTERNAL);
1244 set_option ('std-options', INTERNAL);
1245 set_option ('check-news', INTERNAL);
1251 # shadow_unconditionally ($varname, $where)
1252 # -----------------------------------------
1253 # Return a $(variable) that contains all possible values
1254 # $varname can take.
1255 # If the VAR wasn't defined conditionally, return $(VAR).
1256 # Otherwise we create an am__VAR_DIST variable which contains
1257 # all possible values, and return $(am__VAR_DIST).
1258 sub shadow_unconditionally ($$)
1260 my ($varname, $where) = @_;
1261 my $var = var $varname;
1262 if ($var->has_conditional_contents)
1264 $varname = "am__${varname}_DIST";
1265 my @files = uniq ($var->value_as_list_recursive);
1266 define_pretty_variable ($varname, TRUE, $where, @files);
1268 return "\$($varname)"
1271 # check_user_variables (@LIST)
1272 # ----------------------------
1273 # Make sure each variable VAR in @LIST does not exist, suggest using AM_VAR
1275 sub check_user_variables (@)
1277 my @dont_override = @_;
1278 foreach my $flag (@dont_override)
1280 my $var = var $flag;
1283 for my $cond ($var->conditions->conds)
1285 if ($var->rdef ($cond)->owner == VAR_MAKEFILE)
1287 msg_cond_var ('gnu', $cond, $flag,
1288 "'$flag' is a user variable, "
1289 . "you should not override it;\n"
1290 . "use 'AM_$flag' instead");
1297 # Call finish function for each language that was used.
1298 sub handle_languages
1300 if (! option 'no-dependencies')
1302 # Include auto-dep code. Don't include it if DEP_FILES would
1304 if (&saw_sources_p (0) && keys %dep_files)
1306 # Set location of depcomp.
1307 &define_variable ('depcomp',
1308 "\$(SHELL) $am_config_aux_dir/depcomp",
1310 &define_variable ('am__depfiles_maybe', 'depfiles', INTERNAL);
1312 require_conf_file ("$am_file.am", FOREIGN, 'depcomp');
1314 my @deplist = sort keys %dep_files;
1315 # Generate each 'include' individually. Irix 6 make will
1316 # not properly include several files resulting from a
1317 # variable expansion; generating many separate includes
1319 $output_rules .= "\n";
1320 foreach my $iter (@deplist)
1322 $output_rules .= (subst ('AMDEP_TRUE')
1323 . subst ('am__include')
1325 . subst ('am__quote')
1327 . subst ('am__quote')
1331 # Compute the set of directories to remove in distclean-depend.
1332 my @depdirs = uniq (map { dirname ($_) } @deplist);
1333 $output_rules .= &file_contents ('depend',
1334 new Automake::Location,
1335 DEPDIRS => "@depdirs");
1340 &define_variable ('depcomp', '', INTERNAL);
1341 &define_variable ('am__depfiles_maybe', '', INTERNAL);
1346 # Is the C linker needed?
1348 foreach my $ext (sort keys %extension_seen)
1350 next unless $extension_map{$ext};
1352 my $lang = $languages{$extension_map{$ext}};
1354 my $rule_file = $lang->rule_file || 'depend2';
1356 # Get information on $LANG.
1357 my $pfx = $lang->autodep;
1358 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1360 my ($AMDEP, $FASTDEP) =
1361 (option 'no-dependencies' || $lang->autodep eq 'no')
1362 ? ('FALSE', 'FALSE') : ('AMDEP', "am__fastdep$fpfx");
1364 my $verbose = verbose_flag ($lang->ccer || 'GEN');
1365 my $verbose_nodep = ($AMDEP eq 'FALSE')
1366 ? $verbose : verbose_nodep_flag ($lang->ccer || 'GEN');
1367 my $silent = silent_flag ();
1369 my %transform = ('EXT' => $ext,
1373 'FASTDEP' => $FASTDEP,
1374 '-c' => $lang->compile_flag || '',
1375 # These are not used, but they need to be defined
1376 # so &transform do not complain.
1378 'DERIVED-EXT' => 'BUG',
1380 VERBOSE => $verbose,
1381 'VERBOSE-NODEP' => $verbose_nodep,
1385 # Generate the appropriate rules for this extension.
1386 if (((! option 'no-dependencies') && $lang->autodep ne 'no')
1387 || defined $lang->compile)
1389 # Some C compilers don't support -c -o. Use it only if really
1391 my $output_flag = $lang->output_flag || '';
1394 && $lang->name eq 'c'
1395 && option 'subdir-objects');
1397 # Compute a possible derived extension.
1398 # This is not used by depend2.am.
1399 my $der_ext = (&{$lang->output_extensions} ($ext))[0];
1401 # When we output an inference rule like '.c.o:' we
1402 # have two cases to consider: either subdir-objects
1403 # is used, or it is not.
1405 # In the latter case the rule is used to build objects
1406 # in the current directory, and dependencies always
1407 # go into './$(DEPDIR)/'. We can hard-code this value.
1409 # In the former case the rule can be used to build
1410 # objects in sub-directories too. Dependencies should
1411 # go into the appropriate sub-directories, e.g.,
1412 # 'sub/$(DEPDIR)/'. The value of this directory
1413 # needs to be computed on-the-fly.
1415 # DEPBASE holds the name of this directory, plus the
1416 # basename part of the object file (extensions Po, TPo,
1417 # Plo, TPlo will be added later as appropriate). It is
1418 # either hardcoded, or a shell variable ('$depbase') that
1419 # will be computed by the rule.
1421 option ('subdir-objects') ? '$$depbase' : '$(DEPDIR)/$*';
1423 file_contents ($rule_file,
1424 new Automake::Location,
1428 'DERIVED-EXT' => $der_ext,
1430 DEPBASE => $depbase,
1433 SOURCEFLAG => $sourceflags{$ext} || '',
1438 COMPILE => '$(' . $lang->compiler . ')',
1439 LTCOMPILE => '$(LT' . $lang->compiler . ')',
1441 SUBDIROBJ => !! option 'subdir-objects');
1444 # Now include code for each specially handled object with this
1446 my %seen_files = ();
1447 foreach my $file (@{$lang_specific_files{$lang->name}})
1449 my ($derived, $source, $obj, $myext, $srcext, %file_transform) = @$file;
1451 # We might see a given object twice, for instance if it is
1452 # used under different conditions.
1453 next if defined $seen_files{$obj};
1454 $seen_files{$obj} = 1;
1456 prog_error ("found " . $lang->name .
1457 " in handle_languages, but compiler not defined")
1458 unless defined $lang->compile;
1460 my $obj_compile = $lang->compile;
1462 # Rewrite each occurrence of 'AM_$flag' in the compile
1463 # rule into '${derived}_$flag' if it exists.
1464 for my $flag (@{$lang->flags})
1466 my $val = "${derived}_$flag";
1467 $obj_compile =~ s/\(AM_$flag\)/\($val\)/
1471 my $libtool_tag = '';
1472 if ($lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag})
1474 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
1477 my $ptltflags = "${derived}_LIBTOOLFLAGS";
1478 $ptltflags = 'AM_LIBTOOLFLAGS' unless set_seen $ptltflags;
1480 my $ltverbose = define_verbose_libtool ();
1482 "\$(LIBTOOL) $ltverbose $libtool_tag\$($ptltflags) \$(LIBTOOLFLAGS) "
1483 . "--mode=compile $obj_compile";
1485 # We _need_ '-o' for per object rules.
1486 my $output_flag = $lang->output_flag || '-o';
1488 my $depbase = dirname ($obj);
1492 unless $depbase eq '';
1493 $depbase .= '$(DEPDIR)/' . basename ($obj);
1496 file_contents ($rule_file,
1497 new Automake::Location,
1501 DEPBASE => $depbase,
1504 SOURCEFLAG => $sourceflags{$srcext} || '',
1505 # Use $myext and not '.o' here, in case
1506 # we are actually building a new source
1507 # file -- e.g. via yacc.
1508 OBJ => "$obj$myext",
1509 OBJOBJ => "$obj.obj",
1512 VERBOSE => $verbose,
1513 'VERBOSE-NODEP' => $verbose_nodep,
1515 COMPILE => $obj_compile,
1516 LTCOMPILE => $obj_ltcompile,
1521 # The rest of the loop is done once per language.
1522 next if defined $done{$lang};
1525 # Load the language dependent Makefile chunks.
1526 my %lang = map { uc ($_) => 0 } keys %languages;
1527 $lang{uc ($lang->name)} = 1;
1528 $output_rules .= file_contents ('lang-compile',
1529 new Automake::Location,
1532 # If the source to a program consists entirely of code from a
1533 # 'pure' language, for instance C++ or Fortran 77, then we
1534 # don't need the C compiler code. However if we run into
1535 # something unusual then we do generate the C code. There are
1536 # probably corner cases here that do not work properly.
1537 # People linking Java code to Fortran code deserve pain.
1538 $needs_c ||= ! $lang->pure;
1540 define_compiler_variable ($lang)
1541 if ($lang->compile);
1543 define_linker_variable ($lang)
1546 require_variables ("$am_file.am", $lang->Name . " source seen",
1547 TRUE, @{$lang->config_vars});
1549 # Call the finisher.
1552 # Flags listed in '->flags' are user variables (per GNU Standards),
1553 # they should not be overridden in the Makefile...
1554 my @dont_override = @{$lang->flags};
1555 # ... and so is LDFLAGS.
1556 push @dont_override, 'LDFLAGS' if $lang->link;
1558 check_user_variables @dont_override;
1561 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1562 # suffix rule was learned), don't bother with the C stuff. But if
1563 # anything else creeps in, then use it.
1565 if $need_link || suffix_rules_count > 1;
1569 &define_compiler_variable ($languages{'c'})
1570 unless defined $done{$languages{'c'}};
1571 define_linker_variable ($languages{'c'});
1574 # Always provide the user with 'AM_V_GEN' for silent rules.
1575 define_verbose_tagvar ('GEN');
1579 # append_exeext { PREDICATE } $MACRO
1580 # ----------------------------------
1581 # Append $(EXEEXT) to each filename in $F appearing in the Makefile
1582 # variable $MACRO if &PREDICATE($F) is true. @substitutions@ are
1585 # This is typically used on all filenames of *_PROGRAMS, and filenames
1586 # of TESTS that are programs.
1587 sub append_exeext (&$)
1589 my ($pred, $macro) = @_;
1591 transform_variable_recursively
1592 ($macro, $macro, 'am__EXEEXT', 0, INTERNAL,
1594 my ($subvar, $val, $cond, $full_cond) = @_;
1595 # Append $(EXEEXT) unless the user did it already, or it's a
1598 if $val !~ /(?:\$\(EXEEXT\)$|^[@]\w+[@]$)/ && &$pred ($val);
1604 # Check to make sure a source defined in LIBOBJS is not explicitly
1605 # mentioned. This is a separate function (as opposed to being inlined
1606 # in handle_source_transform) because it isn't always appropriate to
1608 sub check_libobjs_sources
1610 my ($one_file, $unxformed) = @_;
1612 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1613 'dist_EXTRA_', 'nodist_EXTRA_')
1616 my $varname = $prefix . $one_file . '_SOURCES';
1617 my $var = var ($varname);
1620 @files = $var->value_as_list_recursive;
1622 elsif ($prefix eq '')
1624 @files = ($unxformed . '.c');
1631 foreach my $file (@files)
1633 err_var ($prefix . $one_file . '_SOURCES',
1634 "automatically discovered file '$file' should not" .
1635 " be explicitly mentioned")
1636 if defined $libsources{$file};
1643 # handle_single_transform ($VAR, $TOPPARENT, $DERIVED, $OBJ, $FILE, %TRANSFORM)
1644 # -----------------------------------------------------------------------------
1645 # Does much of the actual work for handle_source_transform.
1647 # $VAR is the name of the variable that the source filenames come from
1648 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1649 # $DERIVED is the name of resulting executable or library
1650 # $OBJ is the object extension (e.g., '.lo')
1651 # $FILE the source file to transform
1652 # %TRANSFORM contains extras arguments to pass to file_contents
1653 # when producing explicit rules
1654 # Result is a list of the names of objects
1655 # %linkers_used will be updated with any linkers needed
1656 sub handle_single_transform ($$$$$%)
1658 my ($var, $topparent, $derived, $obj, $_file, %transform) = @_;
1659 my @files = ($_file);
1662 # Turn sources into objects. We use a while loop like this
1663 # because we might add to @files in the loop.
1664 while (scalar @files > 0)
1668 # Configure substitutions in _SOURCES variables are errors.
1671 my $parent_msg = '';
1672 $parent_msg = "\nand is referred to from '$topparent'"
1673 if $topparent ne $var->name;
1675 "'" . $var->name . "' includes configure substitution '$_'"
1676 . $parent_msg . ";\nconfigure " .
1677 "substitutions are not allowed in _SOURCES variables");
1681 # If the source file is in a subdirectory then the '.o' is put
1682 # into the current directory, unless the subdir-objects option
1685 # Split file name into base and extension.
1686 next if ! /^(?:(.*)\/)?([^\/]*)($KNOWN_EXTENSIONS_PATTERN)$/;
1688 my $directory = $1 || '';
1692 # We must generate a rule for the object if it requires its own flags.
1694 my ($linker, $object);
1696 # This records whether we've seen a derived source file (e.g.
1698 my $derived_source = 0;
1700 # This holds the 'aggregate context' of the file we are
1701 # currently examining. If the file is compiled with
1702 # per-object flags, then it will be the name of the object.
1703 # Otherwise it will be 'AM'. This is used by the target hook
1704 # language function.
1705 my $aggregate = 'AM';
1707 $extension = &derive_suffix ($extension, $obj);
1709 if ($extension_map{$extension} &&
1710 ($lang = $languages{$extension_map{$extension}}))
1712 # Found the language, so see what it says.
1713 &saw_extension ($extension);
1715 # Do we have per-executable flags for this executable?
1716 my $have_per_exec_flags = 0;
1717 my @peflags = @{$lang->flags};
1718 push @peflags, 'LIBTOOLFLAGS' if $obj eq '.lo';
1719 foreach my $flag (@peflags)
1721 if (set_seen ("${derived}_$flag"))
1723 $have_per_exec_flags = 1;
1728 # Note: computed subr call. The language rewrite function
1729 # should return one of the LANG_* constants. It could
1730 # also return a list whose first value is such a constant
1731 # and whose second value is a new source extension which
1732 # should be applied. This means this particular language
1733 # generates another source file which we must then process
1735 my $subr = \&{'lang_' . $lang->name . '_rewrite'};
1736 my ($r, $source_extension)
1737 = &$subr ($directory, $base, $extension,
1738 $obj, $have_per_exec_flags, $var);
1739 # Skip this entry if we were asked not to process it.
1740 next if $r == LANG_IGNORE;
1742 # Now extract linker and other info.
1743 $linker = $lang->linker;
1746 if (defined $source_extension)
1748 $this_obj_ext = $source_extension;
1749 $derived_source = 1;
1753 $this_obj_ext = $obj;
1755 $object = $base . $this_obj_ext;
1757 if ($have_per_exec_flags)
1759 # We have a per-executable flag in effect for this
1760 # object. In this case we rewrite the object's
1761 # name to ensure it is unique.
1763 # We choose the name 'DERIVED_OBJECT' to ensure
1764 # (1) uniqueness, and (2) continuity between
1765 # invocations. However, this will result in a
1766 # name that is too long for losing systems, in
1767 # some situations. So we provide _SHORTNAME to
1770 my $dname = $derived;
1771 my $var = var ($derived . '_SHORTNAME');
1774 # FIXME: should use the same Condition as
1775 # the _SOURCES variable. But this is really
1776 # silly overkill -- nobody should have
1777 # conditional shortnames.
1778 $dname = $var->variable_value;
1780 $object = $dname . '-' . $object;
1782 prog_error ($lang->name . " flags defined without compiler")
1783 if ! defined $lang->compile;
1788 # If rewrite said it was ok, put the object into a
1790 if ($r == LANG_SUBDIR && $directory ne '')
1792 $object = $directory . '/' . $object;
1795 # If the object file has been renamed (because per-target
1796 # flags are used) we cannot compile the file with an
1797 # inference rule: we need an explicit rule.
1799 # If the source is in a subdirectory and the object is in
1800 # the current directory, we also need an explicit rule.
1802 # If both source and object files are in a subdirectory
1803 # (this happens when the subdir-objects option is used),
1804 # then the inference will work.
1806 # The latter case deserves a historical note. When the
1807 # subdir-objects option was added on 1999-04-11 it was
1808 # thought that inferences rules would work for
1809 # subdirectory objects too. Later, on 1999-11-22,
1810 # automake was changed to output explicit rules even for
1811 # subdir-objects. Nobody remembers why, but this occurred
1812 # soon after the merge of the user-dep-gen-branch so it
1813 # might be related. In late 2003 people complained about
1814 # the size of the generated Makefile.ins (libgcj, with
1815 # 2200+ subdir objects was reported to have a 9MB
1816 # Makefile), so we now rely on inference rules again.
1817 # Maybe we'll run across the same issue as in the past,
1818 # but at least this time we can document it. However since
1819 # dependency tracking has evolved it is possible that
1820 # our old problem no longer exists.
1821 # Using inference rules for subdir-objects has been tested
1822 # with GNU make, Solaris make, Ultrix make, BSD make,
1823 # HP-UX make, and OSF1 make successfully.
1825 || ($directory ne '' && ! option 'subdir-objects')
1826 # We must also use specific rules for a nodist_ source
1827 # if its language requests it.
1828 || ($lang->nodist_specific && ! $transform{'DIST_SOURCE'}))
1830 my $obj_sans_ext = substr ($object, 0,
1831 - length ($this_obj_ext));
1833 if ($directory ne '')
1835 $full_ansi = $directory . '/' . $base . $extension;
1839 $full_ansi = $base . $extension;
1842 my @specifics = ($full_ansi, $obj_sans_ext,
1843 # Only use $this_obj_ext in the derived
1844 # source case because in the other case we
1845 # *don't* want $(OBJEXT) to appear here.
1846 ($derived_source ? $this_obj_ext : '.o'),
1849 # If we renamed the object then we want to use the
1850 # per-executable flag name. But if this is simply a
1851 # subdir build then we still want to use the AM_ flag
1855 unshift @specifics, $derived;
1856 $aggregate = $derived;
1860 unshift @specifics, 'AM';
1863 # Each item on this list is a reference to a list consisting
1864 # of four values followed by additional transform flags for
1865 # file_contents. The four values are the derived flag prefix
1866 # (e.g. for 'foo_CFLAGS', it is 'foo'), the name of the
1867 # source file, the base name of the output file, and
1868 # the extension for the object file.
1869 push (@{$lang_specific_files{$lang->name}},
1870 [@specifics, %transform]);
1873 elsif ($extension eq $obj)
1875 # This is probably the result of a direct suffix rule.
1876 # In this case we just accept the rewrite.
1877 $object = "$base$extension";
1878 $object = "$directory/$object" if $directory ne '';
1883 # No error message here. Used to have one, but it was
1885 # FIXME: we could potentially do more processing here,
1886 # perhaps treating the new extension as though it were a
1887 # new source extension (as above). This would require
1888 # more restructuring than is appropriate right now.
1892 err_am "object '$object' created by '$full' and '$object_map{$object}'"
1893 if (defined $object_map{$object}
1894 && $object_map{$object} ne $full);
1896 my $comp_val = (($object =~ /\.lo$/)
1897 ? COMPILE_LIBTOOL : COMPILE_ORDINARY);
1898 (my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
1899 if (defined $object_compilation_map{$comp_obj}
1900 && $object_compilation_map{$comp_obj} != 0
1901 # Only see the error once.
1902 && ($object_compilation_map{$comp_obj}
1903 != (COMPILE_LIBTOOL | COMPILE_ORDINARY))
1904 && $object_compilation_map{$comp_obj} != $comp_val)
1906 err_am "object '$comp_obj' created both with libtool and without";
1908 $object_compilation_map{$comp_obj} |= $comp_val;
1912 # Let the language do some special magic if required.
1913 $lang->target_hook ($aggregate, $object, $full, %transform);
1916 if ($derived_source)
1918 prog_error ($lang->name . " has automatic dependency tracking")
1919 if $lang->autodep ne 'no';
1920 # Make sure this new source file is handled next. That will
1921 # make it appear to be at the right place in the list.
1922 unshift (@files, $object);
1923 # Distribute derived sources unless the source they are
1924 # derived from is not.
1925 &push_dist_common ($object)
1926 unless ($topparent =~ /^(?:nobase_)?nodist_/);
1930 $linkers_used{$linker} = 1;
1932 push (@result, $object);
1934 if (! defined $object_map{$object})
1937 $object_map{$object} = $full;
1939 # If resulting object is in subdir, we need to make
1940 # sure the subdir exists at build time.
1941 if ($object =~ /\//)
1943 # FIXME: check that $DIRECTORY is somewhere in the
1946 # For Java, the way we're handling it right now, a
1947 # '..' component doesn't make sense.
1948 if ($lang && $lang->name eq 'java' && $object =~ /(\/|^)\.\.\//)
1950 err_am "'$full' should not contain a '..' component";
1953 # Make sure object is removed by 'make mostlyclean'.
1954 $compile_clean_files{$object} = MOSTLY_CLEAN;
1955 # If we have a libtool object then we also must remove
1957 if ($object =~ /\.lo$/)
1959 (my $xobj = $object) =~ s,lo$,\$(OBJEXT),;
1960 $compile_clean_files{$xobj} = MOSTLY_CLEAN;
1962 # Remove any libtool object in this directory.
1963 $libtool_clean_directories{$directory} = 1;
1966 push (@dep_list, require_build_directory ($directory));
1968 # If we're generating dependencies, we also want
1969 # to make sure that the appropriate subdir of the
1970 # .deps directory is created.
1972 require_build_directory ($directory . '/$(DEPDIR)'))
1973 unless option 'no-dependencies';
1976 &pretty_print_rule ($object . ':', "\t", @dep_list)
1977 if scalar @dep_list > 0;
1980 # Transform .o or $o file into .P file (for automatic
1982 # Properly flatten multiple adjacent slashes, as Solaris 10 make
1983 # might fail over them in an include statement.
1984 # Leading double slashes may be special, as per Posix, so deal
1985 # with them carefully.
1986 if ($lang && $lang->autodep ne 'no')
1988 my $depfile = $object;
1989 $depfile =~ s/\.([^.]*)$/.P$1/;
1990 $depfile =~ s/\$\(OBJEXT\)$/o/;
1991 my $maybe_extra_leading_slash = '';
1992 $maybe_extra_leading_slash = '/' if $depfile =~ m,^//[^/],;
1993 $depfile =~ s,/+,/,g;
1994 my $basename = basename ($depfile);
1995 # This might make $dirname empty, but we account for that below.
1996 (my $dirname = dirname ($depfile)) =~ s/\/*$//;
1997 $dirname = $maybe_extra_leading_slash . $dirname;
1998 $dep_files{$dirname . '/$(DEPDIR)/' . $basename} = 1;
2007 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
2008 # $OBJ, $PARENT, $TOPPARENT, $WHERE, %TRANSFORM)
2009 # ---------------------------------------------------------------------------
2010 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
2013 # $VAR is the name of the _SOURCES variable
2014 # $OBJVAR is the name of the _OBJECTS variable if known (otherwise
2015 # it will be generated and returned).
2016 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
2017 # work done to determine the linker will be).
2018 # $ONE_FILE is the canonical (transformed) name of object to build
2019 # $OBJ is the object extension (i.e. either '.o' or '.lo').
2020 # $TOPPARENT is the _SOURCES variable being processed.
2021 # $WHERE context into which this definition is done
2022 # %TRANSFORM extra arguments to pass to file_contents when producing
2025 # Result is a pair ($LINKER, $OBJVAR):
2026 # $LINKER is a boolean, true if a linker is needed to deal with the objects
2027 sub define_objects_from_sources ($$$$$$$%)
2029 my ($var, $objvar, $nodefine, $one_file,
2030 $obj, $topparent, $where, %transform) = @_;
2032 my $needlinker = "";
2034 transform_variable_recursively
2035 ($var, $objvar, 'am__objects', $nodefine, $where,
2036 # The transform code to run on each filename.
2038 my ($subvar, $val, $cond, $full_cond) = @_;
2039 my @trans = handle_single_transform ($subvar, $topparent,
2040 $one_file, $obj, $val,
2042 $needlinker = "true" if @trans;
2050 # handle_source_transform ($CANON_TARGET, $TARGET, $OBJEXT, $WHERE, %TRANSFORM)
2051 # -----------------------------------------------------------------------------
2052 # Handle SOURCE->OBJECT transform for one program or library.
2054 # canonical (transformed) name of target to build
2055 # actual target of object to build
2056 # object extension (i.e., either '.o' or '$o')
2057 # location of the source variable
2058 # extra arguments to pass to file_contents when producing rules
2059 # Return the name of the linker variable that must be used.
2060 # Empty return means just use 'LINK'.
2061 sub handle_source_transform ($$$$%)
2063 # one_file is canonical name. unxformed is given name. obj is
2065 my ($one_file, $unxformed, $obj, $where, %transform) = @_;
2069 # No point in continuing if _OBJECTS is defined.
2070 return if reject_var ($one_file . '_OBJECTS',
2071 $one_file . '_OBJECTS should not be defined');
2076 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
2077 'dist_EXTRA_', 'nodist_EXTRA_')
2079 my $varname = $prefix . $one_file . "_SOURCES";
2080 my $var = var $varname;
2083 # We are going to define _OBJECTS variables using the prefix.
2084 # Then we glom them all together. So we can't use the null
2085 # prefix here as we need it later.
2086 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
2088 # Keep track of which prefixes we saw.
2089 $used_pfx{$xpfx} = 1
2090 unless $prefix =~ /EXTRA_/;
2092 push @sources, "\$($varname)";
2093 push @dist_sources, shadow_unconditionally ($varname, $where)
2094 unless (option ('no-dist') || $prefix =~ /^nodist_/);
2097 define_objects_from_sources ($varname,
2098 $xpfx . $one_file . '_OBJECTS',
2099 $prefix =~ /EXTRA_/,
2100 $one_file, $obj, $varname, $where,
2101 DIST_SOURCE => ($prefix !~ /^nodist_/),
2106 $linker ||= &resolve_linker (%linkers_used);
2109 my @keys = sort keys %used_pfx;
2110 if (scalar @keys == 0)
2112 # The default source for libfoo.la is libfoo.c, but for
2113 # backward compatibility we first look at libfoo_la.c,
2114 # if no default source suffix is given.
2115 my $old_default_source = "$one_file.c";
2116 my $ext_var = var ('AM_DEFAULT_SOURCE_EXT');
2117 my $default_source_ext = $ext_var ? variable_value ($ext_var) : '.c';
2118 msg_var ('unsupported', $ext_var, $ext_var->name . " can assume at most one value")
2119 if $default_source_ext =~ /[\t ]/;
2120 (my $default_source = $unxformed) =~ s,(\.[^./\\]*)?$,$default_source_ext,;
2121 if ($old_default_source ne $default_source
2123 && (rule $old_default_source
2124 || rule '$(srcdir)/' . $old_default_source
2125 || rule '${srcdir}/' . $old_default_source
2126 || -f $old_default_source))
2128 my $loc = $where->clone;
2130 msg ('obsolete', $loc,
2131 "the default source for '$unxformed' has been changed "
2132 . "to '$default_source'.\n(Using '$old_default_source' for "
2133 . "backward compatibility.)");
2134 $default_source = $old_default_source;
2136 # If a rule exists to build this source with a $(srcdir)
2137 # prefix, use that prefix in our variables too. This is for
2138 # the sake of BSD Make.
2139 if (rule '$(srcdir)/' . $default_source
2140 || rule '${srcdir}/' . $default_source)
2142 $default_source = '$(srcdir)/' . $default_source;
2145 &define_variable ($one_file . "_SOURCES", $default_source, $where);
2146 push (@sources, $default_source);
2147 push (@dist_sources, $default_source);
2151 handle_single_transform ($one_file . '_SOURCES',
2152 $one_file . '_SOURCES',
2154 $default_source, %transform);
2155 $linker ||= &resolve_linker (%linkers_used);
2156 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @result);
2160 @keys = map { '$(' . $_ . $one_file . '_OBJECTS)' } @keys;
2161 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @keys);
2164 # If we want to use 'LINK' we must make sure it is defined.
2174 # handle_lib_objects ($XNAME, $VAR)
2175 # ---------------------------------
2176 # Special-case ALLOCA and LIBOBJS substitutions in _LDADD or _LIBADD variables.
2177 # Also, generate _DEPENDENCIES variable if appropriate.
2179 # transformed name of object being built, or empty string if no object
2180 # name of _LDADD/_LIBADD-type variable to examine
2181 # Returns 1 if LIBOBJS seen, 0 otherwise.
2182 sub handle_lib_objects
2184 my ($xname, $varname) = @_;
2186 my $var = var ($varname);
2187 prog_error "'$varname' undefined"
2189 prog_error "unexpected variable name '$varname'"
2190 unless $varname =~ /^(.*)(?:LIB|LD)ADD$/;
2191 my $prefix = $1 || 'AM_';
2193 my $seen_libobjs = 0;
2196 transform_variable_recursively
2197 ($varname, $xname . '_DEPENDENCIES', 'am__DEPENDENCIES',
2199 # Transformation function, run on each filename.
2201 my ($subvar, $val, $cond, $full_cond) = @_;
2205 # Skip -lfoo and -Ldir silently; these are explicitly allowed.
2206 if ($val !~ /^-[lL]/ &&
2207 # Skip -dlopen and -dlpreopen; these are explicitly allowed
2208 # for Libtool libraries or programs. (Actually we are a bit
2209 # lax here since this code also applies to non-libtool
2210 # libraries or programs, for which -dlopen and -dlopreopen
2211 # are pure nonsense. Diagnosing this doesn't seem very
2212 # important: the developer will quickly get complaints from
2214 $val !~ /^-dl(?:pre)?open$/ &&
2215 # Only get this error once.
2219 # FIXME: should display a stack of nested variables
2220 # as context when $var != $subvar.
2221 err_var ($var, "linker flags such as '$val' belong in "
2222 . "'${prefix}LDFLAGS'");
2226 elsif ($val !~ /^\@.*\@$/)
2228 # Assume we have a file of some sort, and output it into the
2229 # dependency variable. Autoconf substitutions are not output;
2230 # rarely is a new dependency substituted into e.g. foo_LDADD
2231 # -- but bad things (e.g. -lX11) are routinely substituted.
2232 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
2233 # and handled specially below.
2236 elsif ($val =~ /^\@(LT)?LIBOBJS\@$/)
2238 handle_LIBOBJS ($subvar, $cond, $1);
2242 elsif ($val =~ /^\@(LT)?ALLOCA\@$/)
2244 handle_ALLOCA ($subvar, $cond, $1);
2253 return $seen_libobjs;
2256 # handle_LIBOBJS_or_ALLOCA ($VAR)
2257 # -------------------------------
2258 # Definitions common to LIBOBJS and ALLOCA.
2259 # VAR should be one of LIBOBJS, LTLIBOBJS, ALLOCA, or LTALLOCA.
2260 sub handle_LIBOBJS_or_ALLOCA ($)
2266 # If LIBOBJS files must be built in another directory we have
2267 # to define LIBOBJDIR and ensure the files get cleaned.
2268 # Otherwise LIBOBJDIR can be left undefined, and the cleaning
2269 # is achieved by 'rm -f *.$(OBJEXT)' in compile.am.
2270 if ($config_libobj_dir
2271 && $relative_dir ne $config_libobj_dir)
2273 if (option 'subdir-objects')
2275 # In the top-level Makefile we do not use $(top_builddir), because
2276 # we are already there, and since the targets are built without
2277 # a $(top_builddir), it helps BSD Make to match them with
2279 $dir = "$config_libobj_dir/" if $config_libobj_dir ne '.';
2280 $dir = "$topsrcdir/$dir" if $relative_dir ne '.';
2281 define_variable ('LIBOBJDIR', "$dir", INTERNAL);
2282 $clean_files{"\$($var)"} = MOSTLY_CLEAN;
2283 # If LTLIBOBJS is used, we must also clear LIBOBJS (which might
2284 # be created by libtool as a side-effect of creating LTLIBOBJS).
2285 $clean_files{"\$($var)"} = MOSTLY_CLEAN if $var =~ s/^LT//;
2289 error ("'\$($var)' cannot be used outside '$config_libobj_dir' if"
2290 . " 'subdir-objects' is not set");
2297 sub handle_LIBOBJS ($$$)
2299 my ($var, $cond, $lt) = @_;
2300 my $myobjext = $lt ? 'lo' : 'o';
2303 $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
2304 if ! keys %libsources;
2306 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}LIBOBJS";
2308 foreach my $iter (keys %libsources)
2310 if ($iter =~ /\.[cly]$/)
2312 &saw_extension ($&);
2313 &saw_extension ('.c');
2316 if ($iter =~ /\.h$/)
2318 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2320 elsif ($iter ne 'alloca.c')
2322 my $rewrite = $iter;
2323 $rewrite =~ s/\.c$/.P$myobjext/;
2324 $dep_files{$dir . '$(DEPDIR)/' . $rewrite} = 1;
2325 $rewrite = "^" . quotemeta ($iter) . "\$";
2326 # Only require the file if it is not a built source.
2327 my $bs = var ('BUILT_SOURCES');
2328 if (! $bs || ! grep (/$rewrite/, $bs->value_as_list_recursive))
2330 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2336 sub handle_ALLOCA ($$$)
2338 my ($var, $cond, $lt) = @_;
2339 my $myobjext = $lt ? 'lo' : 'o';
2341 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}ALLOCA";
2343 $var->requires_variables ("\@${lt}ALLOCA\@ used", $lt . 'ALLOCA');
2344 $dep_files{$dir . '$(DEPDIR)/alloca.P' . $myobjext} = 1;
2345 require_libsource_with_macro ($cond, $var, FOREIGN, 'alloca.c');
2346 &saw_extension ('.c');
2349 # Canonicalize the input parameter
2353 $string =~ tr/A-Za-z0-9_\@/_/c;
2357 # Canonicalize a name, and check to make sure the non-canonical name
2358 # is never used. Returns canonical name. Arguments are name and a
2359 # list of suffixes to check for.
2360 sub check_canonical_spelling
2362 my ($name, @suffixes) = @_;
2364 my $xname = &canonicalize ($name);
2365 if ($xname ne $name)
2367 foreach my $xt (@suffixes)
2369 reject_var ("$name$xt", "use '$xname$xt', not '$name$xt'");
2379 # Set up the compile suite.
2380 sub handle_compile ()
2382 return if ! $must_handle_compiled_objects;
2385 my $default_includes = '';
2386 if (! option 'nostdinc')
2388 my @incs = ('-I.', subst ('am__isrc'));
2390 my $var = var 'CONFIG_HEADER';
2393 foreach my $hdr (split (' ', $var->variable_value))
2395 push @incs, '-I' . dirname ($hdr);
2398 # We want '-I. -I$(srcdir)', but the latter -I is redundant
2399 # and unaesthetic in non-VPATH builds. We use `-I.@am__isrc@`
2400 # instead. It will be replaced by '-I.' or '-I. -I$(srcdir)'.
2401 # Items in CONFIG_HEADER are never in $(srcdir) so it is safe
2402 # to just put @am__isrc@ right after '-I.', without a space.
2403 ($default_includes = ' ' . uniq (@incs)) =~ s/ @/@/;
2406 my (@mostly_rms, @dist_rms);
2407 foreach my $item (sort keys %compile_clean_files)
2409 if ($compile_clean_files{$item} == MOSTLY_CLEAN)
2411 push (@mostly_rms, "\t-rm -f $item");
2413 elsif ($compile_clean_files{$item} == DIST_CLEAN)
2415 push (@dist_rms, "\t-rm -f $item");
2419 prog_error 'invalid entry in %compile_clean_files';
2423 my ($coms, $vars, $rules) =
2424 &file_contents_internal (1, "$libdir/am/compile.am",
2425 new Automake::Location,
2426 ('DEFAULT_INCLUDES' => $default_includes,
2427 'MOSTLYRMS' => join ("\n", @mostly_rms),
2428 'DISTRMS' => join ("\n", @dist_rms)));
2429 $output_vars .= $vars;
2430 $output_rules .= "$coms$rules";
2435 # Handle libtool rules.
2438 return unless var ('LIBTOOL');
2440 # Libtool requires some files, but only at top level.
2441 # (Starting with Libtool 2.0 we do not have to bother. These
2442 # requirements are done with AC_REQUIRE_AUX_FILE.)
2443 require_conf_file_with_macro (TRUE, 'LIBTOOL', FOREIGN, @libtool_files)
2444 if $relative_dir eq '.' && ! $libtool_new_api;
2447 foreach my $item (sort keys %libtool_clean_directories)
2449 my $dir = ($item eq '.') ? '' : "$item/";
2450 # .libs is for Unix, _libs for DOS.
2451 push (@libtool_rms, "\t-rm -rf ${dir}.libs ${dir}_libs");
2454 check_user_variables 'LIBTOOLFLAGS';
2456 # Output the libtool compilation rules.
2457 $output_rules .= &file_contents ('libtool',
2458 new Automake::Location,
2459 LTRMS => join ("\n", @libtool_rms));
2462 # handle_programs ()
2463 # ------------------
2464 # Handle C programs.
2467 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2468 'bin', 'sbin', 'libexec', 'pkglibexec',
2470 return if ! @proglist;
2471 $must_handle_compiled_objects = 1;
2473 my $seen_global_libobjs =
2474 var ('LDADD') && &handle_lib_objects ('', 'LDADD');
2476 foreach my $pair (@proglist)
2478 my ($where, $one_file) = @$pair;
2480 my $seen_libobjs = 0;
2481 my $obj = '.$(OBJEXT)';
2483 $known_programs{$one_file} = $where;
2485 # Canonicalize names and check for misspellings.
2486 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2487 '_SOURCES', '_OBJECTS',
2490 $where->push_context ("while processing program '$one_file'");
2491 $where->set (INTERNAL->get);
2493 my $linker = &handle_source_transform ($xname, $one_file, $obj, $where,
2494 NONLIBTOOL => 1, LIBTOOL => 0);
2496 if (var ($xname . "_LDADD"))
2498 $seen_libobjs = &handle_lib_objects ($xname, $xname . '_LDADD');
2502 # User didn't define prog_LDADD override. So do it.
2503 &define_variable ($xname . '_LDADD', '$(LDADD)', $where);
2505 # This does a bit too much work. But we need it to
2506 # generate _DEPENDENCIES when appropriate.
2509 $seen_libobjs = &handle_lib_objects ($xname, 'LDADD');
2513 reject_var ($xname . '_LIBADD',
2514 "use '${xname}_LDADD', not '${xname}_LIBADD'");
2516 set_seen ($xname . '_DEPENDENCIES');
2517 set_seen ('EXTRA_' . $xname . '_DEPENDENCIES');
2518 set_seen ($xname . '_LDFLAGS');
2520 # Determine program to use for link.
2521 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xname);
2522 $vlink = verbose_flag ($vlink || 'GEN');
2524 # If the resulting program lies into a subdirectory,
2525 # make sure this directory will exist.
2526 my $dirstamp = require_build_directory_maybe ($one_file);
2528 $libtool_clean_directories{dirname ($one_file)} = 1;
2530 $output_rules .= &file_contents ('program',
2532 PROGRAM => $one_file,
2536 DIRSTAMP => $dirstamp,
2537 EXEEXT => '$(EXEEXT)');
2539 if ($seen_libobjs || $seen_global_libobjs)
2541 if (var ($xname . '_LDADD'))
2543 &check_libobjs_sources ($xname, $xname . '_LDADD');
2545 elsif (var ('LDADD'))
2547 &check_libobjs_sources ($xname, 'LDADD');
2554 # handle_libraries ()
2555 # -------------------
2557 sub handle_libraries
2559 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2560 'lib', 'pkglib', 'noinst', 'check');
2561 return if ! @liblist;
2562 $must_handle_compiled_objects = 1;
2564 my @prefix = am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2569 my $var = rvar ($prefix[0] . '_LIBRARIES');
2570 $var->requires_variables ('library used', 'RANLIB');
2573 &define_variable ('AR', 'ar', INTERNAL);
2574 &define_variable ('ARFLAGS', 'cru', INTERNAL);
2575 &define_verbose_tagvar ('AR');
2577 foreach my $pair (@liblist)
2579 my ($where, $onelib) = @$pair;
2581 my $seen_libobjs = 0;
2582 # Check that the library fits the standard naming convention.
2583 my $bn = basename ($onelib);
2584 if ($bn !~ /^lib.*\.a$/)
2586 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.a/;
2587 my $suggestion = dirname ($onelib) . "/$bn";
2588 $suggestion =~ s|^\./||g;
2589 msg ('error-gnu/warn', $where,
2590 "'$onelib' is not a standard library name\n"
2591 . "did you mean '$suggestion'?")
2594 ($known_libraries{$onelib} = $bn) =~ s/\.a$//;
2596 $where->push_context ("while processing library '$onelib'");
2597 $where->set (INTERNAL->get);
2599 my $obj = '.$(OBJEXT)';
2601 # Canonicalize names and check for misspellings.
2602 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2603 '_OBJECTS', '_DEPENDENCIES',
2606 if (! var ($xlib . '_AR'))
2608 &define_variable ($xlib . '_AR', '$(AR) $(ARFLAGS)', $where);
2611 # Generate support for conditional object inclusion in
2613 if (var ($xlib . '_LIBADD'))
2615 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2622 &define_variable ($xlib . "_LIBADD", '', $where);
2625 reject_var ($xlib . '_LDADD',
2626 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2628 # Make sure we at look at this.
2629 set_seen ($xlib . '_DEPENDENCIES');
2630 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2632 &handle_source_transform ($xlib, $onelib, $obj, $where,
2633 NONLIBTOOL => 1, LIBTOOL => 0);
2635 # If the resulting library lies into a subdirectory,
2636 # make sure this directory will exist.
2637 my $dirstamp = require_build_directory_maybe ($onelib);
2638 my $verbose = verbose_flag ('AR');
2639 my $silent = silent_flag ();
2641 $output_rules .= &file_contents ('library',
2643 VERBOSE => $verbose,
2647 DIRSTAMP => $dirstamp);
2651 if (var ($xlib . '_LIBADD'))
2653 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2659 msg ('extra-portability', $where,
2660 "'$onelib': linking libraries using a non-POSIX\n"
2661 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2667 # handle_ltlibraries ()
2668 # ---------------------
2669 # Handle shared libraries.
2670 sub handle_ltlibraries
2672 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2673 'noinst', 'lib', 'pkglib', 'check');
2674 return if ! @liblist;
2675 $must_handle_compiled_objects = 1;
2677 my @prefix = am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2682 my $var = rvar ($prefix[0] . '_LTLIBRARIES');
2683 $var->requires_variables ('Libtool library used', 'LIBTOOL');
2687 my %instsubdirs = ();
2689 my %liblocations = (); # Location (in Makefile.am) of each library.
2691 foreach my $key (@prefix)
2693 # Get the installation directory of each library.
2695 my $strip_subdir = 1;
2696 if ($dir =~ /^nobase_/)
2698 $dir =~ s/^nobase_//;
2701 my $var = rvar ($key . '_LTLIBRARIES');
2703 # We reject libraries which are installed in several places
2704 # in the same condition, because we can only specify one
2706 $var->traverse_recursively
2709 my ($var, $val, $cond, $full_cond) = @_;
2710 my $hcond = $full_cond->human;
2711 my $where = $var->rdef ($cond)->location;
2713 $ldir = '/' . dirname ($val)
2714 if (!$strip_subdir);
2715 # A library cannot be installed in different directories
2716 # in overlapping conditions.
2717 if (exists $instconds{$val})
2720 $instconds{$val}->ambiguous_p ($val, $full_cond);
2724 error ($where, $msg, partial => 1);
2725 my $dirtxt = "installed " . ($strip_subdir ? "in" : "below") . " '$dir'";
2726 $dirtxt = "built for '$dir'"
2727 if $dir eq 'EXTRA' || $dir eq 'noinst' || $dir eq 'check';
2729 $full_cond->true ? "" : " in condition $hcond";
2731 error ($where, "'$val' should be $dirtxt$dircond ...",
2734 my $hacond = $acond->human;
2735 my $adir = $instdirs{$val}{$acond};
2736 my $adirtxt = "installed in '$adir'";
2737 $adirtxt = "built for '$adir'"
2738 if ($adir eq 'EXTRA' || $adir eq 'noinst'
2739 || $adir eq 'check');
2740 my $adircond = $acond->true ? "" : " in condition $hacond";
2742 my $onlyone = ($dir ne $adir) ?
2743 ("\nLibtool libraries can be built for only one "
2744 . "destination") : "";
2746 error ($liblocations{$val}{$acond},
2747 "... and should also be $adirtxt$adircond.$onlyone");
2753 $instconds{$val} = new Automake::DisjConditions;
2755 $instdirs{$val}{$full_cond} = $dir;
2756 $instsubdirs{$val}{$full_cond} = $ldir;
2757 $liblocations{$val}{$full_cond} = $where;
2758 $instconds{$val} = $instconds{$val}->merge ($full_cond);
2764 skip_ac_subst => 1);
2767 foreach my $pair (@liblist)
2769 my ($where, $onelib) = @$pair;
2771 my $seen_libobjs = 0;
2774 # Canonicalize names and check for misspellings.
2775 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2776 '_SOURCES', '_OBJECTS',
2779 # Check that the library fits the standard naming convention.
2780 my $libname_rx = '^lib.*\.la';
2781 my $ldvar = var ("${xlib}_LDFLAGS") || var ('AM_LDFLAGS');
2782 my $ldvar2 = var ('LDFLAGS');
2783 if (($ldvar && grep (/-module/, $ldvar->value_as_list_recursive))
2784 || ($ldvar2 && grep (/-module/, $ldvar2->value_as_list_recursive)))
2786 # Relax name checking for libtool modules.
2787 $libname_rx = '\.la';
2790 my $bn = basename ($onelib);
2791 if ($bn !~ /$libname_rx$/)
2793 my $type = 'library';
2794 if ($libname_rx eq '\.la')
2796 $bn =~ s/^(lib|)(.*?)(?:\.[^.]*)?$/$1$2.la/;
2801 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.la/;
2803 my $suggestion = dirname ($onelib) . "/$bn";
2804 $suggestion =~ s|^\./||g;
2805 msg ('error-gnu/warn', $where,
2806 "'$onelib' is not a standard libtool $type name\n"
2807 . "did you mean '$suggestion'?")
2810 ($known_libraries{$onelib} = $bn) =~ s/\.la$//;
2812 $where->push_context ("while processing Libtool library '$onelib'");
2813 $where->set (INTERNAL->get);
2815 # Make sure we look at these.
2816 set_seen ($xlib . '_LDFLAGS');
2817 set_seen ($xlib . '_DEPENDENCIES');
2818 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2820 # Generate support for conditional object inclusion in
2822 if (var ($xlib . '_LIBADD'))
2824 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2831 &define_variable ($xlib . "_LIBADD", '', $where);
2834 reject_var ("${xlib}_LDADD",
2835 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2838 my $linker = &handle_source_transform ($xlib, $onelib, $obj, $where,
2839 NONLIBTOOL => 0, LIBTOOL => 1);
2841 # Determine program to use for link.
2842 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xlib);
2843 $vlink = verbose_flag ($vlink || 'GEN');
2845 my $rpathvar = "am_${xlib}_rpath";
2846 my $rpath = "\$($rpathvar)";
2847 foreach my $rcond ($instconds{$onelib}->conds)
2850 if ($instdirs{$onelib}{$rcond} eq 'EXTRA'
2851 || $instdirs{$onelib}{$rcond} eq 'noinst'
2852 || $instdirs{$onelib}{$rcond} eq 'check')
2854 # It's an EXTRA_ library, so we can't specify -rpath,
2855 # because we don't know where the library will end up.
2856 # The user probably knows, but generally speaking automake
2857 # doesn't -- and in fact configure could decide
2858 # dynamically between two different locations.
2863 $val = ('-rpath $(' . $instdirs{$onelib}{$rcond} . 'dir)');
2864 $val .= $instsubdirs{$onelib}{$rcond}
2865 if defined $instsubdirs{$onelib}{$rcond};
2869 # If $rcond is true there is only one condition and
2870 # there is no point defining an helper variable.
2875 define_pretty_variable ($rpathvar, $rcond, INTERNAL, $val);
2879 # If the resulting library lies into a subdirectory,
2880 # make sure this directory will exist.
2881 my $dirstamp = require_build_directory_maybe ($onelib);
2883 # Remember to cleanup .libs/ in this directory.
2884 my $dirname = dirname $onelib;
2885 $libtool_clean_directories{$dirname} = 1;
2887 $output_rules .= &file_contents ('ltlibrary',
2889 LTLIBRARY => $onelib,
2890 XLTLIBRARY => $xlib,
2894 DIRSTAMP => $dirstamp);
2897 if (var ($xlib . '_LIBADD'))
2899 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2905 msg ('extra-portability', $where,
2906 "'$onelib': linking libtool libraries using a non-POSIX\n"
2907 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2912 # See if any _SOURCES variable were misspelled.
2915 # It is ok if the user sets this particular variable.
2916 set_seen 'AM_LDFLAGS';
2918 foreach my $primary ('SOURCES', 'LIBADD', 'LDADD', 'LDFLAGS', 'DEPENDENCIES')
2920 foreach my $var (variables $primary)
2922 my $varname = $var->name;
2923 # A configure variable is always legitimate.
2924 next if exists $configure_vars{$varname};
2926 for my $cond ($var->conditions->conds)
2928 $varname =~ /^(?:EXTRA_)?(?:nobase_)?(?:dist_|nodist_)?(.*)_[[:alnum:]]+$/;
2929 msg_var ('syntax', $var, "variable '$varname' is defined but no"
2930 . " program or\nlibrary has '$1' as canonical name"
2931 . " (possible typo)")
2932 unless $var->rdef ($cond)->seen;
2942 # NOTE we no longer automatically clean SCRIPTS, because it is
2943 # useful to sometimes distribute scripts verbatim. This happens
2944 # e.g. in Automake itself.
2945 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2946 'bin', 'sbin', 'libexec', 'pkglibexec', 'pkgdata',
2953 ## ------------------------ ##
2954 ## Handling Texinfo files. ##
2955 ## ------------------------ ##
2957 # ($OUTFILE, $VFILE, @CLEAN_FILES)
2958 # &scan_texinfo_file ($FILENAME)
2959 # ------------------------------
2960 # $OUTFILE - name of the info file produced by $FILENAME.
2961 # $VFILE - name of the version.texi file used (undef if none).
2962 # @CLEAN_FILES - list of byproducts (indexes etc.)
2963 sub scan_texinfo_file ($)
2965 my ($filename) = @_;
2967 # Some of the following extensions are always created, no matter
2968 # whether indexes are used or not. Other (like cps, fns, ... pgs)
2969 # are only created when they are used. We used to scan $FILENAME
2970 # for their use, but that is not enough: they could be used in
2971 # included files. We can't scan included files because we don't
2972 # know the include path. Therefore we always erase these files, no
2973 # matter whether they are used or not.
2975 # (tmp is only created if an @macro is used and a certain e-TeX
2976 # feature is not available.)
2977 my %clean_suffixes =
2978 map { $_ => 1 } (qw(aux log toc tmp
2984 pg pgs)); # grep 'new.*index' texinfo.tex
2986 my $texi = new Automake::XFile "< $filename";
2987 verb "reading $filename";
2989 my ($outfile, $vfile);
2990 while ($_ = $texi->getline)
2992 if (/^\@setfilename +(\S+)/)
2994 # Honor only the first @setfilename. (It's possible to have
2995 # more occurrences later if the manual shows examples of how
2996 # to use @setfilename...)
3000 if ($outfile =~ /\.([^.]+)$/ && $1 ne 'info')
3002 error ("$filename:$.",
3003 "output '$outfile' has unrecognized extension");
3007 # A "version.texi" file is actually any file whose name matches
3009 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
3014 # Try to find new or unused indexes.
3016 # Creating a new category of index.
3017 elsif (/^\@def(code)?index (\w+)/)
3019 $clean_suffixes{$2} = 1;
3020 $clean_suffixes{"$2s"} = 1;
3023 # Merging an index into an another.
3024 elsif (/^\@syn(code)?index (\w+) (\w+)/)
3026 delete $clean_suffixes{"$2s"};
3027 $clean_suffixes{"$3s"} = 1;
3034 err_am "'$filename' missing \@setfilename";
3038 my $infobase = basename ($filename);
3039 $infobase =~ s/\.te?xi(nfo)?$//;
3040 return ($outfile, $vfile,
3041 map { "$infobase.$_" } (sort keys %clean_suffixes));
3045 # ($DIRSTAMP, @CLEAN_FILES)
3046 # output_texinfo_build_rules ($SOURCE, $DEST, $INSRC, @DEPENDENCIES)
3047 # ------------------------------------------------------------------
3048 # SOURCE - the source Texinfo file
3049 # DEST - the destination Info file
3050 # INSRC - whether DEST should be built in the source tree
3051 # DEPENDENCIES - known dependencies
3052 sub output_texinfo_build_rules ($$$@)
3054 my ($source, $dest, $insrc, @deps) = @_;
3056 # Split 'a.texi' into 'a' and '.texi'.
3057 my ($spfx, $ssfx) = ($source =~ /^(.*?)(\.[^.]*)?$/);
3058 my ($dpfx, $dsfx) = ($dest =~ /^(.*?)(\.[^.]*)?$/);
3063 # We can output two kinds of rules: the "generic" rules use Make
3064 # suffix rules and are appropriate when $source and $dest do not lie
3065 # in a sub-directory; the "specific" rules are needed in the other
3068 # The former are output only once (this is not really apparent here,
3069 # but just remember that some logic deeper in Automake will not
3070 # output the same rule twice); while the later need to be output for
3071 # each Texinfo source.
3074 my $sdir = dirname $source;
3075 if ($sdir eq '.' && dirname ($dest) eq '.')
3078 $makeinfoflags = '-I $(srcdir)';
3083 $makeinfoflags = "-I $sdir -I \$(srcdir)/$sdir";
3086 # A directory can contain two kinds of info files: some built in the
3087 # source tree, and some built in the build tree. The rules are
3088 # different in each case. However we cannot output two different
3089 # set of generic rules. Because in-source builds are more usual, we
3090 # use generic rules in this case and fall back to "specific" rules
3091 # for build-dir builds. (It should not be a problem to invert this
3093 $generic = 0 unless $insrc;
3095 # We cannot use a suffix rule to build info files with an empty
3096 # extension. Otherwise we would output a single suffix inference
3097 # rule, with separate dependencies, as in
3101 # foo.info: foo.texi
3103 # which confuse Solaris make. (See the Autoconf manual for
3104 # details.) Therefore we use a specific rule in this case. This
3105 # applies to info files only (dvi and pdf files always have an
3107 my $generic_info = ($generic && $dsfx) ? 1 : 0;
3109 # If the resulting file lie into a subdirectory,
3110 # make sure this directory will exist.
3111 my $dirstamp = require_build_directory_maybe ($dest);
3113 my $dipfx = ($insrc ? '$(srcdir)/' : '') . $dpfx;
3115 $output_rules .= file_contents ('texibuild',
3116 new Automake::Location,
3117 AM_V_MAKEINFO => verbose_flag('MAKEINFO'),
3118 AM_V_TEXI2DVI => verbose_flag('TEXI2DVI'),
3119 AM_V_TEXI2PDF => verbose_flag('TEXI2PDF'),
3121 DEST_PREFIX => $dpfx,
3122 DEST_INFO_PREFIX => $dipfx,
3123 DEST_SUFFIX => $dsfx,
3124 DIRSTAMP => $dirstamp,
3125 GENERIC => $generic,
3126 GENERIC_INFO => $generic_info,
3128 MAKEINFOFLAGS => $makeinfoflags,
3129 SILENT => silent_flag(),
3132 SOURCE_INFO => ($generic_info
3134 SOURCE_REAL => $source,
3135 SOURCE_SUFFIX => $ssfx,
3136 TEXIQUIET => verbose_flag('texinfo'),
3137 TEXIDEVNULL => verbose_flag('texidevnull'),
3139 return ($dirstamp, "$dpfx.dvi", "$dpfx.pdf", "$dpfx.ps", "$dpfx.html");
3143 # ($MOSTLYCLEAN, $TEXICLEAN, $MAINTCLEAN)
3144 # handle_texinfo_helper ($info_texinfos)
3145 # --------------------------------------
3146 # Handle all Texinfo source; helper for handle_texinfo.
3147 sub handle_texinfo_helper ($)
3149 my ($info_texinfos) = @_;
3150 my (@infobase, @info_deps_list, @texi_deps);
3153 my (@mostly_cleans, @texi_cleans, @maint_cleans) = ('', '', '');
3155 # Build a regex matching user-cleaned files.
3156 my $d = var 'DISTCLEANFILES';
3157 my $c = var 'CLEANFILES';
3159 push @f, $d->value_as_list_recursive (inner_expand => 1) if $d;
3160 push @f, $c->value_as_list_recursive (inner_expand => 1) if $c;
3161 @f = map { s|[^A-Za-z_0-9*\[\]\-]|\\$&|g; s|\*|[^/]*|g; $_; } @f;
3162 my $user_cleaned_files = '^(?:' . join ('|', @f) . ')$';
3165 ($info_texinfos->value_as_list_recursive (inner_expand => 1))
3167 my $infobase = $texi;
3168 $infobase =~ s/\.(txi|texinfo|texi)$//;
3170 if ($infobase eq $texi)
3172 # FIXME: report line number.
3173 err_am "texinfo file '$texi' has unrecognized extension";
3177 push @infobase, $infobase;
3179 # If 'version.texi' is referenced by input file, then include
3180 # automatic versioning capability.
3181 my ($out_file, $vtexi, @clean_files) =
3182 scan_texinfo_file ("$relative_dir/$texi")
3184 push (@mostly_cleans, @clean_files);
3186 # If the Texinfo source is in a subdirectory, create the
3187 # resulting info in this subdirectory. If it is in the current
3188 # directory, try hard to not prefix "./" because it breaks the
3190 my $outdir = dirname ($texi) . '/';
3191 $outdir = "" if $outdir eq './';
3192 $out_file = $outdir . $out_file;
3194 # Until Automake 1.6.3, .info files were built in the
3195 # source tree. This was an obstacle to the support of
3196 # non-distributed .info files, and non-distributed .texi
3199 # * Non-distributed .texi files is important in some packages
3200 # where .texi files are built at make time, probably using
3201 # other binaries built in the package itself, maybe using
3202 # tools or information found on the build host. Because
3203 # these files are not distributed they are always rebuilt
3204 # at make time; they should therefore not lie in the source
3205 # directory. One plan was to support this using
3206 # nodist_info_TEXINFOS or something similar. (Doing this
3207 # requires some sanity checks. For instance Automake should
3209 # dist_info_TEXINFOS = foo.texi
3210 # nodist_foo_TEXINFOS = included.texi
3211 # because a distributed file should never depend on a
3212 # non-distributed file.)
3214 # * If .texi files are not distributed, then .info files should
3215 # not be distributed either. There are also cases where one
3216 # wants to distribute .texi files, but does not want to
3217 # distribute the .info files. For instance the Texinfo package
3218 # distributes the tool used to build these files; it would
3219 # be a waste of space to distribute them. It's not clear
3220 # which syntax we should use to indicate that .info files should
3221 # not be distributed. Akim Demaille suggested that eventually
3222 # we switch to a new syntax:
3223 # | Maybe we should take some inspiration from what's already
3224 # | done in the rest of Automake. Maybe there is too much
3225 # | syntactic sugar here, and you want
3226 # | nodist_INFO = bar.info
3227 # | dist_bar_info_SOURCES = bar.texi
3228 # | bar_texi_DEPENDENCIES = foo.texi
3229 # | with a bit of magic to have bar.info represent the whole
3230 # | bar*info set. That's a lot more verbose that the current
3231 # | situation, but it is # not new, hence the user has less
3234 # | But there is still too much room for meaningless specs:
3235 # | nodist_INFO = bar.info
3236 # | dist_bar_info_SOURCES = bar.texi
3237 # | dist_PS = bar.ps something-written-by-hand.ps
3238 # | nodist_bar_ps_SOURCES = bar.texi
3239 # | bar_texi_DEPENDENCIES = foo.texi
3240 # | here bar.texi is dist_ in line 2, and nodist_ in 4.
3242 # Back to the point, it should be clear that in order to support
3243 # non-distributed .info files, we need to build them in the
3244 # build tree, not in the source tree (non-distributed .texi
3245 # files are less of a problem, because we do not output build
3246 # rules for them). In Automake 1.7 .info build rules have been
3247 # largely cleaned up so that .info files get always build in the
3248 # build tree, even when distributed. The idea was that
3249 # (1) if during a VPATH build the .info file was found to be
3250 # absent or out-of-date (in the source tree or in the
3251 # build tree), Make would rebuild it in the build tree.
3252 # If an up-to-date source-tree of the .info file existed,
3253 # make would not rebuild it in the build tree.
3254 # (2) having two copies of .info files, one in the source tree
3255 # and one (newer) in the build tree is not a problem
3256 # because 'make dist' always pick files in the build tree
3258 # However it turned out the be a bad idea for several reasons:
3259 # * Tru64, OpenBSD, and FreeBSD (not NetBSD) Make do not behave
3260 # like GNU Make on point (1) above. These implementations
3261 # of Make would always rebuild .info files in the build
3262 # tree, even if such files were up to date in the source
3263 # tree. Consequently, it was impossible to perform a VPATH
3264 # build of a package containing Texinfo files using these
3265 # Make implementations.
3266 # (Refer to the Autoconf Manual, section "Limitation of
3267 # Make", paragraph "VPATH", item "target lookup", for
3268 # an account of the differences between these
3270 # * The GNU Coding Standards require these files to be built
3271 # in the source-tree (when they are distributed, that is).
3272 # * Keeping a fresher copy of distributed files in the
3273 # build tree can be annoying during development because
3274 # - if the files is kept under CVS, you really want it
3275 # to be updated in the source tree
3276 # - it is confusing that 'make distclean' does not erase
3277 # all files in the build tree.
3279 # Consequently, starting with Automake 1.8, .info files are
3280 # built in the source tree again. Because we still plan to
3281 # support non-distributed .info files at some point, we
3282 # have a single variable ($INSRC) that controls whether
3283 # the current .info file must be built in the source tree
3284 # or in the build tree. Actually this variable is switched
3285 # off for .info files that appear to be cleaned; this is
3286 # for backward compatibility with package such as Texinfo,
3287 # which do things like
3288 # info_TEXINFOS = texinfo.txi info-stnd.texi info.texi
3289 # DISTCLEANFILES = texinfo texinfo-* info*.info*
3290 # # Do not create info files for distribution.
3292 # in order not to distribute .info files.
3293 my $insrc = ($out_file =~ $user_cleaned_files) ? 0 : 1;
3295 my $soutdir = '$(srcdir)/' . $outdir;
3296 $outdir = $soutdir if $insrc;
3298 # If user specified file_TEXINFOS, then use that as explicit
3301 push (@texi_deps, "$soutdir$vtexi") if $vtexi;
3303 my $canonical = canonicalize ($infobase);
3304 if (var ($canonical . "_TEXINFOS"))
3306 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
3307 push_dist_common ('$(' . $canonical . '_TEXINFOS)');
3310 my ($dirstamp, @cfiles) =
3311 output_texinfo_build_rules ($texi, $out_file, $insrc, @texi_deps);
3312 push (@texi_cleans, @cfiles);
3314 push (@info_deps_list, $out_file);
3316 # If a vers*.texi file is needed, emit the rule.
3319 err_am ("'$vtexi', included in '$texi', "
3320 . "also included in '$versions{$vtexi}'")
3321 if defined $versions{$vtexi};
3322 $versions{$vtexi} = $texi;
3324 # We number the stamp-vti files. This is doable since the
3325 # actual names don't matter much. We only number starting
3326 # with the second one, so that the common case looks nice.
3327 my $vti = ($done ? $done : 'vti');
3330 # This is ugly, but it is our historical practice.
3331 if ($config_aux_dir_set_in_configure_ac)
3333 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3338 require_file_with_macro (TRUE, 'info_TEXINFOS',
3339 FOREIGN, 'mdate-sh');
3343 if ($config_aux_dir_set_in_configure_ac)
3345 $conf_dir = "$am_config_aux_dir/";
3349 $conf_dir = '$(srcdir)/';
3351 $output_rules .= file_contents ('texi-vers',
3352 new Automake::Location,
3355 STAMPVTI => "${soutdir}stamp-$vti",
3356 VTEXI => "$soutdir$vtexi",
3358 DIRSTAMP => $dirstamp);
3362 # Handle location of texinfo.tex.
3363 my $need_texi_file = 0;
3365 if (var ('TEXINFO_TEX'))
3367 # The user defined TEXINFO_TEX so assume he knows what he is
3369 $texinfodir = ('$(srcdir)/'
3370 . dirname (variable_value ('TEXINFO_TEX')));
3372 elsif ($config_aux_dir_set_in_configure_ac)
3374 $texinfodir = $am_config_aux_dir;
3375 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3376 $need_texi_file = 2; # so that we require_conf_file later
3380 $texinfodir = '$(srcdir)';
3381 $need_texi_file = 1;
3383 define_variable ('am__TEXINFO_TEX_DIR', $texinfodir, INTERNAL);
3385 push (@dist_targets, 'dist-info');
3387 if (! option 'no-installinfo')
3389 # Make sure documentation is made and installed first. Use
3390 # $(INFO_DEPS), not 'info', because otherwise recursive makes
3391 # get run twice during "make all".
3392 unshift (@all, '$(INFO_DEPS)');
3395 define_files_variable ("DVIS", @infobase, 'dvi', INTERNAL);
3396 define_files_variable ("PDFS", @infobase, 'pdf', INTERNAL);
3397 define_files_variable ("PSS", @infobase, 'ps', INTERNAL);
3398 define_files_variable ("HTMLS", @infobase, 'html', INTERNAL);
3400 # This next isn't strictly needed now -- the places that look here
3401 # could easily be changed to look in info_TEXINFOS. But this is
3402 # probably better, in case noinst_TEXINFOS is ever supported.
3403 define_variable ("TEXINFOS", variable_value ('info_TEXINFOS'), INTERNAL);
3405 # Do some error checking. Note that this file is not required
3406 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
3408 if ($need_texi_file && ! option 'no-texinfo.tex')
3410 if ($need_texi_file > 1)
3412 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3417 require_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3422 return (makefile_wrap ("", "\t ", @mostly_cleans),
3423 makefile_wrap ("", "\t ", @texi_cleans),
3424 makefile_wrap ("", "\t ", @maint_cleans));
3430 # Handle all Texinfo source.
3431 sub handle_texinfo ()
3433 reject_var 'TEXINFOS', "'TEXINFOS' is an anachronism; use 'info_TEXINFOS'";
3434 # FIXME: I think this is an obsolete future feature name.
3435 reject_var 'html_TEXINFOS', "HTML generation not yet supported";
3437 my $info_texinfos = var ('info_TEXINFOS');
3438 my ($mostlyclean, $clean, $maintclean) = ('', '', '');
3441 define_verbose_texinfo;
3442 ($mostlyclean, $clean, $maintclean) = handle_texinfo_helper ($info_texinfos);
3448 $output_rules .= file_contents ('texinfos',
3449 new Automake::Location,
3450 AM_V_DVIPS => verbose_flag('DVIPS'),
3451 MOSTLYCLEAN => $mostlyclean,
3452 TEXICLEAN => $clean,
3453 MAINTCLEAN => $maintclean,
3454 'LOCAL-TEXIS' => !!$info_texinfos,
3455 TEXIQUIET => verbose_flag('texinfo'));
3459 # Handle any man pages.
3460 sub handle_man_pages
3462 reject_var 'MANS', "'MANS' is an anachronism; use 'man_MANS'";
3464 # Find all the sections in use. We do this by first looking for
3465 # "standard" sections, and then looking for any additional
3466 # sections used in man_MANS.
3467 my (%sections, %notrans_sections, %trans_sections,
3468 %notrans_vars, %trans_vars, %notrans_sect_vars, %trans_sect_vars);
3469 # We handle nodist_ for uniformity. man pages aren't distributed
3470 # by default so it isn't actually very important.
3471 foreach my $npfx ('', 'notrans_')
3473 foreach my $pfx ('', 'dist_', 'nodist_')
3475 # Add more sections as needed.
3476 foreach my $section ('0'..'9', 'n', 'l')
3478 my $varname = $npfx . $pfx . 'man' . $section . '_MANS';
3481 $sections{$section} = 1;
3482 $varname = '$(' . $varname . ')';
3483 if ($npfx eq 'notrans_')
3485 $notrans_sections{$section} = 1;
3486 $notrans_sect_vars{$varname} = 1;
3490 $trans_sections{$section} = 1;
3491 $trans_sect_vars{$varname} = 1;
3494 &push_dist_common ($varname)
3499 my $varname = $npfx . $pfx . 'man_MANS';
3500 my $var = var ($varname);
3503 foreach ($var->value_as_list_recursive)
3505 # A page like 'foo.1c' goes into man1dir.
3506 if (/\.([0-9a-z])([a-z]*)$/)
3509 if ($npfx eq 'notrans_')
3511 $notrans_sections{$1} = 1;
3515 $trans_sections{$1} = 1;
3520 $varname = '$(' . $varname . ')';
3521 if ($npfx eq 'notrans_')
3523 $notrans_vars{$varname} = 1;
3527 $trans_vars{$varname} = 1;
3529 &push_dist_common ($varname)
3535 return unless %sections;
3539 # Build section independent variables.
3540 my $have_notrans = %notrans_vars;
3541 my @notrans_list = sort keys %notrans_vars;
3542 my $have_trans = %trans_vars;
3543 my @trans_list = sort keys %trans_vars;
3545 # Now for each section, generate an install and uninstall rule.
3546 # Sort sections so output is deterministic.
3547 foreach my $section (sort keys %sections)
3549 # Build section dependent variables.
3550 my $notrans_mans = $have_notrans || exists $notrans_sections{$section};
3551 my $trans_mans = $have_trans || exists $trans_sections{$section};
3552 my (%notrans_this_sect, %trans_this_sect);
3553 my $expr = 'man' . $section . '_MANS';
3554 foreach my $varname (keys %notrans_sect_vars)
3556 if ($varname =~ /$expr/)
3558 $notrans_this_sect{$varname} = 1;
3561 foreach my $varname (keys %trans_sect_vars)
3563 if ($varname =~ /$expr/)
3565 $trans_this_sect{$varname} = 1;
3568 my @notrans_sect_list = sort keys %notrans_this_sect;
3569 my @trans_sect_list = sort keys %trans_this_sect;
3570 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3571 keys %notrans_this_sect, keys %trans_this_sect);
3572 my @deps = sort @unsorted_deps;
3573 $output_rules .= &file_contents ('mans',
3574 new Automake::Location,
3575 SECTION => $section,
3577 NOTRANS_MANS => $notrans_mans,
3578 NOTRANS_SECT_LIST => "@notrans_sect_list",
3579 HAVE_NOTRANS => $have_notrans,
3580 NOTRANS_LIST => "@notrans_list",
3581 TRANS_MANS => $trans_mans,
3582 TRANS_SECT_LIST => "@trans_sect_list",
3583 HAVE_TRANS => $have_trans,
3584 TRANS_LIST => "@trans_list");
3587 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3588 keys %notrans_sect_vars, keys %trans_sect_vars);
3589 my @mans = sort @unsorted_deps;
3590 $output_vars .= file_contents ('mans-vars',
3591 new Automake::Location,
3594 push (@all, '$(MANS)')
3595 unless option 'no-installman';
3598 # Handle DATA variables.
3601 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
3602 'data', 'dataroot', 'doc', 'dvi', 'html', 'pdf',
3603 'ps', 'sysconf', 'sharedstate', 'localstate',
3604 'pkgdata', 'lisp', 'noinst', 'check');
3612 my @cscope_deps = ();
3613 if (var ('SUBDIRS'))
3615 $output_rules .= ("tags-recursive:\n"
3616 . "\tlist='\$(SUBDIRS)'; for subdir in \$\$list; do \\\n"
3617 # Never fail here if a subdir fails; it
3619 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3620 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
3622 push (@tag_deps, 'tags-recursive');
3623 &depend ('.PHONY', 'tags-recursive');
3624 &depend ('.MAKE', 'tags-recursive');
3626 $output_rules .= ("ctags-recursive:\n"
3627 . "\tlist='\$(SUBDIRS)'; for subdir in \$\$list; do \\\n"
3628 # Never fail here if a subdir fails; it
3630 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3631 . " && \$(MAKE) \$(AM_MAKEFLAGS) ctags); \\\n"
3633 push (@ctag_deps, 'ctags-recursive');
3634 &depend ('.PHONY', 'ctags-recursive');
3635 &depend ('.MAKE', 'ctags-recursive');
3637 $output_rules .= ("cscopelist-recursive:\n"
3638 . "\tlist='\$(SUBDIRS)'; for subdir in \$\$list; do \\\n"
3639 # Never fail here if a subdir fails; it
3641 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3642 . " && \$(MAKE) \$(AM_MAKEFLAGS) cscopelist); \\\n"
3644 push (@cscope_deps, 'cscopelist-recursive');
3645 &depend ('.PHONY', 'cscopelist-recursive');
3646 &depend ('.MAKE', 'cscopelist-recursive');
3649 if (&saw_sources_p (1)
3650 || var ('ETAGS_ARGS')
3654 foreach my $spec (@config_headers)
3656 my ($out, @ins) = split_config_file_spec ($spec);
3657 foreach my $in (@ins)
3659 # If the config header source is in this directory,
3661 push @config, basename ($in)
3662 if $relative_dir eq dirname ($in);
3665 $output_rules .= &file_contents ('tags',
3666 new Automake::Location,
3667 CONFIG => "@config",
3668 TAGSDIRS => "@tag_deps",
3669 CTAGSDIRS => "@ctag_deps",
3670 CSCOPEDIRS => "@cscope_deps");
3672 set_seen 'TAGS_DEPENDENCIES';
3674 elsif (reject_var ('TAGS_DEPENDENCIES',
3675 "it doesn't make sense to define 'TAGS_DEPENDENCIES'"
3676 . " without\nsources or 'ETAGS_ARGS'"))
3681 # Every Makefile must define some sort of TAGS rule.
3682 # Otherwise, it would be possible for a top-level "make TAGS"
3683 # to fail because some subdirectory failed.
3684 $output_rules .= "tags: TAGS\nTAGS:\n\n";
3685 # Ditto ctags and cscope.
3686 $output_rules .= "ctags: CTAGS\nCTAGS:\n\n";
3687 $output_rules .= "cscope cscopelist:\n\n";
3692 # user_phony_rule ($NAME)
3693 # -----------------------
3694 # Return false if rule $NAME does not exist. Otherwise,
3695 # declare it as phony, complete its definition (in case it is
3696 # conditional), and return its Automake::Rule instance.
3697 sub user_phony_rule ($)
3700 my $rule = rule $name;
3703 depend ('.PHONY', $name);
3704 # Define $NAME in all condition where it is not already defined,
3705 # so that it is always OK to depend on $NAME.
3706 for my $c ($rule->not_always_defined_in_cond (TRUE)->conds)
3708 Automake::Rule::define ($name, 'internal', RULE_AUTOMAKE,
3710 $output_rules .= $c->subst_string . "$name:\n";
3719 # Handle 'dist' target.
3722 # Substitutions for distdir.am
3725 # Define DIST_SUBDIRS. This must always be done, regardless of the
3726 # no-dist setting: target like 'distclean' or 'maintainer-clean' use it.
3727 my $subdirs = var ('SUBDIRS');
3730 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3731 # to all possible directories, and use it. If DIST_SUBDIRS is
3732 # defined, just use it.
3734 # Note that we check DIST_SUBDIRS first on purpose, so that
3735 # we don't call has_conditional_contents for now reason.
3736 # (In the past one project used so many conditional subdirectories
3737 # that calling has_conditional_contents on SUBDIRS caused
3738 # automake to grow to 150Mb -- this should not happen with
3739 # the current implementation of has_conditional_contents,
3740 # but it's more efficient to avoid the call anyway.)
3741 if (var ('DIST_SUBDIRS'))
3744 elsif ($subdirs->has_conditional_contents)
3746 define_pretty_variable
3747 ('DIST_SUBDIRS', TRUE, INTERNAL,
3748 uniq ($subdirs->value_as_list_recursive));
3752 # We always define this because that is what 'distclean'
3754 define_pretty_variable ('DIST_SUBDIRS', TRUE, INTERNAL,
3759 # The remaining definitions are only required when a dist target is used.
3760 return if option 'no-dist';
3762 # At least one of the archive formats must be enabled.
3763 if ($relative_dir eq '.')
3765 my $archive_defined = option 'no-dist-gzip' ? 0 : 1;
3766 $archive_defined ||=
3767 grep { option "dist-$_" } qw(shar zip tarZ bzip2 lzip lzma xz);
3768 error (option 'no-dist-gzip',
3769 "no-dist-gzip specified but no dist-* specified,\n"
3770 . "at least one archive format must be enabled")
3771 unless $archive_defined;
3774 # Look for common files that should be included in distribution.
3775 # If the aux dir is set, and it does not have a Makefile.am, then
3776 # we check for these files there as well.
3778 if ($relative_dir eq '.'
3779 && $config_aux_dir_set_in_configure_ac)
3781 if (! &is_make_dir ($config_aux_dir))
3786 foreach my $cfile (@common_files)
3788 if (dir_has_case_matching_file ($relative_dir, $cfile)
3789 # The file might be absent, but if it can be built it's ok.
3792 &push_dist_common ($cfile);
3795 # Don't use 'elsif' here because a file might meaningfully
3796 # appear in both directories.
3797 if ($check_aux && dir_has_case_matching_file ($config_aux_dir, $cfile))
3799 &push_dist_common ("$config_aux_dir/$cfile")
3803 # We might copy elements from $configure_dist_common to
3804 # %dist_common if we think we need to. If the file appears in our
3805 # directory, we would have discovered it already, so we don't
3806 # check that. But if the file is in a subdir without a Makefile,
3807 # we want to distribute it here if we are doing '.'. Ugly!
3808 # Also, in some corner cases, it's possible that the following code
3809 # will cause the same file to appear in the $(DIST_COMMON) variables
3810 # of two distinct Makefiles; but this is not a problem, since the
3811 # 'distdir' target in 'lib/am/distdir.am' can deal with the same
3812 # file being distributed multiple times.
3813 # See also automake bug#9651.
3814 if ($relative_dir eq '.')
3816 foreach my $file (split (' ' , $configure_dist_common))
3818 my $dir = dirname ($file);
3819 push_dist_common ($file)
3820 if ($dir eq '.' || ! is_make_dir ($dir));
3824 # Files to distributed. Don't use ->value_as_list_recursive
3825 # as it recursively expands '$(dist_pkgdata_DATA)' etc.
3826 my @dist_common = split (' ', rvar ('DIST_COMMON')->variable_value);
3827 @dist_common = uniq @dist_common;
3828 variable_delete 'DIST_COMMON';
3829 define_pretty_variable ('DIST_COMMON', TRUE, INTERNAL, @dist_common);
3831 # Now that we've processed DIST_COMMON, disallow further attempts
3833 $handle_dist_run = 1;
3835 # Scan EXTRA_DIST to see if we need to distribute anything from a
3836 # subdir. If so, add it to the list. I didn't want to do this
3837 # originally, but there were so many requests that I finally
3839 my $extra_dist = var ('EXTRA_DIST');
3841 $transform{'DISTCHECK-HOOK'} = !! rule 'distcheck-hook';
3842 $transform{'GETTEXT'} = $seen_gettext && !$seen_gettext_external;
3844 # If the target 'dist-hook' exists, make sure it is run. This
3845 # allows users to do random weird things to the distribution
3846 # before it is packaged up.
3847 push (@dist_targets, 'dist-hook')
3848 if user_phony_rule 'dist-hook';
3849 $transform{'DIST-TARGETS'} = join (' ', @dist_targets);
3851 my $flm = option ('filename-length-max');
3852 my $filename_filter = $flm ? '.' x $flm->[1] : '';
3854 $output_rules .= &file_contents ('distdir',
3855 new Automake::Location,
3857 FILENAME_FILTER => $filename_filter);
3861 # check_directory ($NAME, $WHERE [, $RELATIVE_DIR = "."])
3862 # -------------------------------------------------------
3863 # Ensure $NAME is a directory (in $RELATIVE_DIR), and that it uses a sane
3864 # name. Use $WHERE as a location in the diagnostic, if any.
3865 sub check_directory ($$;$)
3867 my ($dir, $where, $reldir) = @_;
3868 $reldir = '.' unless defined $reldir;
3870 error $where, "required directory $reldir/$dir does not exist"
3871 unless -d "$reldir/$dir";
3873 # If an 'obj/' directory exists, BSD make will enter it before
3874 # reading 'Makefile'. Hence the 'Makefile' in the current directory
3880 # % cat obj/Makefile
3886 # % pmake # BSD make
3889 msg ('portability', $where,
3890 "naming a subdirectory 'obj' causes troubles with BSD make")
3893 # 'aux' is probably the most important of the following forbidden name,
3894 # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
3895 msg ('portability', $where,
3896 "name '$dir' is reserved on W32 and DOS platforms")
3897 if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
3900 # check_directories_in_var ($VARIABLE)
3901 # ------------------------------------
3902 # Recursively check all items in variables $VARIABLE as directories
3903 sub check_directories_in_var ($)
3906 $var->traverse_recursively
3909 my ($var, $val, $cond, $full_cond) = @_;
3910 check_directory ($val, $var->rdef ($cond)->location, $relative_dir);
3914 skip_ac_subst => 1);
3917 # &handle_subdirs ()
3918 # ------------------
3919 # Handle subdirectories.
3920 sub handle_subdirs ()
3922 my $subdirs = var ('SUBDIRS');
3926 check_directories_in_var $subdirs;
3928 my $dsubdirs = var ('DIST_SUBDIRS');
3929 check_directories_in_var $dsubdirs
3932 $output_rules .= &file_contents ('subdirs', new Automake::Location);
3933 rvar ('RECURSIVE_TARGETS')->rdef (TRUE)->{'pretty'} = VAR_SORTED; # Gross!
3937 # ($REGEN, @DEPENDENCIES)
3940 # If aclocal.m4 creation is automated, return the list of its dependencies.
3941 sub scan_aclocal_m4 ()
3943 my $regen_aclocal = 0;
3945 set_seen 'CONFIG_STATUS_DEPENDENCIES';
3946 set_seen 'CONFIGURE_DEPENDENCIES';
3948 if (-f 'aclocal.m4')
3950 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
3952 my $aclocal = new Automake::XFile "< aclocal.m4";
3953 my $line = $aclocal->getline;
3954 $regen_aclocal = $line =~ 'generated automatically by aclocal';
3959 if (set_seen ('ACLOCAL_M4_SOURCES'))
3961 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
3962 msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
3963 "'ACLOCAL_M4_SOURCES' is obsolete.\n"
3964 . "It should be safe to simply remove it");
3967 # Note that it might be possible that aclocal.m4 doesn't exist but
3968 # should be auto-generated. This case probably isn't very
3971 return ($regen_aclocal, @ac_deps);
3975 # Helper function for substitute_ac_subst_variables.
3976 sub substitute_ac_subst_variables_worker($)
3979 return "\@$token\@" if var $token;
3980 return "\${$token\}";
3983 # substitute_ac_subst_variables ($TEXT)
3984 # -------------------------------------
3985 # Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
3987 sub substitute_ac_subst_variables ($)
3990 $text =~ s/\${([^ \t=:+{}]+)}/&substitute_ac_subst_variables_worker ($1)/ge;
3995 # &prepend_srcdir (@INPUTS)
3996 # -------------------------
3997 # Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
3998 # if an input file has a directory part the same as the current
3999 # directory, then the directory part is simply replaced by $(srcdir).
4000 # But if the directory part is different, then $(top_srcdir) is
4002 sub prepend_srcdir (@)
4007 foreach my $single (@inputs)
4009 if (dirname ($single) eq $relative_dir)
4011 push (@newinputs, '$(srcdir)/' . basename ($single));
4015 push (@newinputs, '$(top_srcdir)/' . $single);
4022 # rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
4023 # ---------------------------------------------------
4024 # Compute a list of dependencies appropriate for the rebuild
4026 # AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
4027 # Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
4028 sub rewrite_inputs_into_dependencies ($@)
4030 my ($file, @inputs) = @_;
4035 # We cannot create dependencies on shell variables.
4036 next if (substitute_ac_subst_variables $i) =~ /\$/;
4038 if (exists $ac_config_files_location{$i} && $i ne $file)
4040 my $di = dirname $i;
4041 if ($di eq $relative_dir)
4045 # In the top-level Makefile we do not use $(top_builddir), because
4046 # we are already there, and since the targets are built without
4047 # a $(top_builddir), it helps BSD Make to match them with
4049 elsif ($relative_dir ne '.')
4051 $i = '$(top_builddir)/' . $i;
4056 msg ('error', $ac_config_files_location{$file},
4057 "required file '$i' not found")
4058 unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
4059 ($i) = prepend_srcdir ($i);
4060 push_dist_common ($i);
4069 # &handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
4070 # ------------------------------------------------------------------
4071 # Handle remaking and configure stuff.
4072 # We need the name of the input file, to do proper remaking rules.
4073 sub handle_configure ($$$@)
4075 my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
4077 prog_error 'empty @inputs'
4080 my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
4082 my $rel_makefile = basename $makefile;
4084 my $colon_infile = ':' . join (':', @inputs);
4085 $colon_infile = '' if $colon_infile eq ":$makefile.in";
4086 my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
4087 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
4088 define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
4089 @configure_deps, @aclocal_m4_deps,
4090 '$(top_srcdir)/' . $configure_ac);
4091 my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
4092 push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
4093 define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
4096 my $automake_options = '--' . $strictness_name .
4097 (global_option 'no-dependencies' ? ' --ignore-deps' : '');
4099 $output_rules .= file_contents
4101 new Automake::Location,
4102 MAKEFILE => $rel_makefile,
4103 'MAKEFILE-DEPS' => "@rewritten",
4104 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
4105 'MAKEFILE-IN' => $rel_makefile_in,
4106 'HAVE-MAKEFILE-IN-DEPS' => (@include_stack > 0),
4107 'MAKEFILE-IN-DEPS' => "@include_stack",
4108 'MAKEFILE-AM' => $rel_makefile_am,
4109 'AUTOMAKE-OPTIONS' => $automake_options,
4110 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
4111 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
4112 VERBOSE => verbose_flag ('GEN'));
4114 if ($relative_dir eq '.')
4116 &push_dist_common ('acconfig.h')
4120 # If we have a configure header, require it.
4122 my @distclean_config;
4123 foreach my $spec (@config_headers)
4126 # $CONFIG_H_PATH: config.h from top level.
4127 my ($config_h_path, @ins) = split_config_file_spec ($spec);
4128 my $config_h_dir = dirname ($config_h_path);
4130 # If the header is in the current directory we want to build
4131 # the header here. Otherwise, if we're at the topmost
4132 # directory and the header's directory doesn't have a
4133 # Makefile, then we also want to build the header.
4134 if ($relative_dir eq $config_h_dir
4135 || ($relative_dir eq '.' && ! &is_make_dir ($config_h_dir)))
4137 my ($cn_sans_dir, $stamp_dir);
4138 if ($relative_dir eq $config_h_dir)
4140 $cn_sans_dir = basename ($config_h_path);
4145 $cn_sans_dir = $config_h_path;
4146 if ($config_h_dir eq '.')
4152 $stamp_dir = $config_h_dir . '/';
4156 # This will also distribute all inputs.
4157 @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
4159 # Cannot define rebuild rules for filenames with shell variables.
4160 next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
4162 # Header defined in this directory.
4164 if (-f $config_h_path . '.top')
4166 push (@files, "$cn_sans_dir.top");
4168 if (-f $config_h_path . '.bot')
4170 push (@files, "$cn_sans_dir.bot");
4173 push_dist_common (@files);
4175 # For now, acconfig.h can only appear in the top srcdir.
4176 if (-f 'acconfig.h')
4178 push (@files, '$(top_srcdir)/acconfig.h');
4181 my $stamp = "${stamp_dir}stamp-h${hdr_index}";
4183 file_contents ('remake-hdr',
4184 new Automake::Location,
4186 CONFIG_H => $cn_sans_dir,
4187 CONFIG_HIN => $ins[0],
4188 CONFIG_H_DEPS => "@ins",
4189 CONFIG_H_PATH => $config_h_path,
4192 push @distclean_config, $cn_sans_dir, $stamp;
4196 $output_rules .= file_contents ('clean-hdr',
4197 new Automake::Location,
4198 FILES => "@distclean_config")
4199 if @distclean_config;
4201 # Distribute and define mkinstalldirs only if it is already present
4202 # in the package, for backward compatibility (some people may still
4203 # use $(mkinstalldirs)).
4204 my $mkidpath = "$config_aux_dir/mkinstalldirs";
4207 # Use require_file so that any existing script gets updated
4208 # by --force-missing.
4209 require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
4210 define_variable ('mkinstalldirs',
4211 "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
4215 # Use $(install_sh), not $(MKDIR_P) because the latter requires
4216 # at least one argument, and $(mkinstalldirs) used to work
4217 # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
4218 define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
4221 reject_var ('CONFIG_HEADER',
4222 "'CONFIG_HEADER' is an anachronism; now determined "
4223 . "automatically\nfrom '$configure_ac'");
4226 foreach my $spec (@config_headers)
4228 my ($out, @ins) = split_config_file_spec ($spec);
4229 # Generate CONFIG_HEADER define.
4230 if ($relative_dir eq dirname ($out))
4232 push @config_h, basename ($out);
4236 push @config_h, "\$(top_builddir)/$out";
4239 define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
4242 # Now look for other files in this directory which must be remade
4243 # by config.status, and generate rules for them.
4244 my @actual_other_files = ();
4245 # These get cleaned only in a VPATH build.
4246 my @actual_other_vpath_files = ();
4247 foreach my $lfile (@other_input_files)
4251 if ($lfile =~ /^([^:]*):(.*)$/)
4253 # This is the ":" syntax of AC_OUTPUT.
4255 @inputs = split (':', $2);
4261 @inputs = $file . '.in';
4264 # Automake files should not be stored in here, but in %MAKE_LIST.
4265 prog_error ("$lfile in \@other_input_files\n"
4266 . "\@other_input_files = (@other_input_files)")
4267 if -f $file . '.am';
4269 my $local = basename ($file);
4271 # We skip files that aren't in this directory. However, if
4272 # the file's directory does not have a Makefile, and we are
4273 # currently doing '.', then we create a rule to rebuild the
4274 # file in the subdir.
4275 my $fd = dirname ($file);
4276 if ($fd ne $relative_dir)
4278 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4288 my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
4290 # Cannot output rules for shell variables.
4291 next if (substitute_ac_subst_variables $local) =~ /\$/;
4294 my $cond = $ac_config_files_condition{$lfile};
4297 $condstr = $cond->subst_string;
4298 Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
4299 $ac_config_files_location{$file});
4301 $output_rules .= ($condstr . $local . ': '
4302 . '$(top_builddir)/config.status '
4303 . "@rewritten_inputs\n"
4305 . 'cd $(top_builddir) && '
4306 . '$(SHELL) ./config.status '
4307 . ($relative_dir eq '.' ? '' : '$(subdir)/')
4310 push (@actual_other_files, $local);
4313 # For links we should clean destinations and distribute sources.
4314 foreach my $spec (@config_links)
4316 my ($link, $file) = split /:/, $spec;
4317 # Some people do AC_CONFIG_LINKS($computed). We only handle
4318 # the DEST:SRC form.
4320 my $where = $ac_config_files_location{$link};
4322 # Skip destinations that contain shell variables.
4323 if ((substitute_ac_subst_variables $link) !~ /\$/)
4325 # We skip links that aren't in this directory. However, if
4326 # the link's directory does not have a Makefile, and we are
4327 # currently doing '.', then we add the link to CONFIG_CLEAN_FILES
4328 # in '.'s Makefile.in.
4329 my $local = basename ($link);
4330 my $fd = dirname ($link);
4331 if ($fd ne $relative_dir)
4333 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4344 push @actual_other_files, $local if $local;
4348 push @actual_other_vpath_files, $local if $local;
4352 # Do not process sources that contain shell variables.
4353 if ((substitute_ac_subst_variables $file) !~ /\$/)
4355 my $fd = dirname ($file);
4357 # We distribute files that are in this directory.
4358 # At the top-level ('.') we also distribute files whose
4359 # directory does not have a Makefile.
4360 if (($fd eq $relative_dir)
4361 || ($relative_dir eq '.' && ! &is_make_dir ($fd)))
4363 # The following will distribute $file as a side-effect when
4364 # it is appropriate (i.e., when $file is not already an output).
4365 # We do not need the result, just the side-effect.
4366 rewrite_inputs_into_dependencies ($link, $file);
4371 # These files get removed by "make distclean".
4372 define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
4373 @actual_other_files);
4374 define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
4375 @actual_other_vpath_files);
4381 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
4382 'oldinclude', 'pkginclude',
4386 next unless $_->[1] =~ /\..*$/;
4387 &saw_extension ($&);
4393 return if ! $seen_gettext || $relative_dir ne '.';
4395 my $subdirs = var 'SUBDIRS';
4399 err_ac "AM_GNU_GETTEXT used but SUBDIRS not defined";
4403 # Perform some sanity checks to help users get the right setup.
4404 # We disable these tests when po/ doesn't exist in order not to disallow
4405 # unusual gettext setups.
4410 # | 1) If a package doesn't have a directory po/ at top level, it
4411 # | will likely have multiple po/ directories in subpackages.
4413 # | 2) It is useful to warn for the absence of intl/ if AM_GNU_GETTEXT
4414 # | is used without 'external'. It is also useful to warn for the
4415 # | presence of intl/ if AM_GNU_GETTEXT([external]) is used. Both
4416 # | warnings apply only to the usual layout of packages, therefore
4417 # | they should both be disabled if no po/ directory is found at
4422 my @subdirs = $subdirs->value_as_list_recursive;
4424 msg_var ('syntax', $subdirs,
4425 "AM_GNU_GETTEXT used but 'po' not in SUBDIRS")
4426 if ! grep ($_ eq 'po', @subdirs);
4428 # intl/ is not required when AM_GNU_GETTEXT is called with the
4429 # 'external' option and AM_GNU_GETTEXT_INTL_SUBDIR is not called.
4430 msg_var ('syntax', $subdirs,
4431 "AM_GNU_GETTEXT used but 'intl' not in SUBDIRS")
4432 if (! ($seen_gettext_external && ! $seen_gettext_intl)
4433 && ! grep ($_ eq 'intl', @subdirs));
4435 # intl/ should not be used with AM_GNU_GETTEXT([external]), except
4436 # if AM_GNU_GETTEXT_INTL_SUBDIR is called.
4437 msg_var ('syntax', $subdirs,
4438 "'intl' should not be in SUBDIRS when "
4439 . "AM_GNU_GETTEXT([external]) is used")
4440 if ($seen_gettext_external && ! $seen_gettext_intl
4441 && grep ($_ eq 'intl', @subdirs));
4444 require_file ($ac_gettext_location, GNU, 'ABOUT-NLS');
4447 # Handle footer elements.
4450 reject_rule ('.SUFFIXES',
4451 "use variable 'SUFFIXES', not target '.SUFFIXES'");
4453 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
4454 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
4455 # anything else, by sticking it right after the default: target.
4456 $output_header .= ".SUFFIXES:\n";
4457 my $suffixes = var 'SUFFIXES';
4458 my @suffixes = Automake::Rule::suffixes;
4459 if (@suffixes || $suffixes)
4461 # Make sure SUFFIXES has unique elements. Sort them to ensure
4462 # the output remains consistent. However, $(SUFFIXES) is
4463 # always at the start of the list, unsorted. This is done
4464 # because make will choose rules depending on the ordering of
4465 # suffixes, and this lets the user have some control. Push
4466 # actual suffixes, and not $(SUFFIXES). Some versions of make
4467 # do not like variable substitutions on the .SUFFIXES line.
4468 my @user_suffixes = ($suffixes
4469 ? $suffixes->value_as_list_recursive : ());
4471 my %suffixes = map { $_ => 1 } @suffixes;
4472 delete @suffixes{@user_suffixes};
4474 $output_header .= (".SUFFIXES: "
4475 . join (' ', @user_suffixes, sort keys %suffixes)
4479 $output_trailer .= file_contents ('footer', new Automake::Location);
4483 # Generate 'make install' rules.
4484 sub handle_install ()
4486 $output_rules .= &file_contents
4488 new Automake::Location,
4489 maybe_BUILT_SOURCES => (set_seen ('BUILT_SOURCES')
4490 ? (" \$(BUILT_SOURCES)\n"
4491 . "\t\$(MAKE) \$(AM_MAKEFLAGS)")
4493 'installdirs-local' => (user_phony_rule 'installdirs-local'
4494 ? ' installdirs-local' : ''),
4495 am__installdirs => variable_value ('am__installdirs') || '');
4499 # Deal with all and all-am.
4502 my ($makefile) = @_;
4506 # Put this at the beginning for the sake of non-GNU makes. This
4507 # is still wrong if these makes can run parallel jobs. But it is
4509 unshift (@all, basename ($makefile));
4511 foreach my $spec (@config_headers)
4513 my ($out, @ins) = split_config_file_spec ($spec);
4514 push (@all, basename ($out))
4515 if dirname ($out) eq $relative_dir;
4518 # Install 'all' hooks.
4519 push (@all, "all-local")
4520 if user_phony_rule "all-local";
4522 &pretty_print_rule ("all-am:", "\t\t", @all);
4523 &depend ('.PHONY', 'all-am', 'all');
4528 my @local_headers = ();
4529 push @local_headers, '$(BUILT_SOURCES)'
4530 if var ('BUILT_SOURCES');
4531 foreach my $spec (@config_headers)
4533 my ($out, @ins) = split_config_file_spec ($spec);
4534 push @local_headers, basename ($out)
4535 if dirname ($out) eq $relative_dir;
4540 # We need to make sure config.h is built before we recurse.
4541 # We also want to make sure that built sources are built
4542 # before any ordinary 'all' targets are run. We can't do this
4543 # by changing the order of dependencies to the "all" because
4544 # that breaks when using parallel makes. Instead we handle
4545 # things explicitly.
4546 $output_all .= ("all: @local_headers"
4548 . '$(MAKE) $(AM_MAKEFLAGS) '
4549 . (var ('SUBDIRS') ? 'all-recursive' : 'all-am')
4551 depend ('.MAKE', 'all');
4555 $output_all .= "all: " . (var ('SUBDIRS')
4556 ? 'all-recursive' : 'all-am') . "\n\n";
4561 # &do_check_merge_target ()
4562 # -------------------------
4563 # Handle check merge target specially.
4564 sub do_check_merge_target ()
4566 # Include user-defined local form of target.
4567 push @check_tests, 'check-local'
4568 if user_phony_rule 'check-local';
4570 # The check target must depend on the local equivalent of
4571 # 'all', to ensure all the primary targets are built. Then it
4572 # must build the local check rules.
4573 $output_rules .= "check-am: all-am\n";
4576 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @check);
4577 depend ('.MAKE', 'check-am');
4582 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4584 depend ('.MAKE', 'check-am');
4587 depend '.PHONY', 'check', 'check-am';
4588 # Handle recursion. We have to honor BUILT_SOURCES like for 'all:'.
4589 $output_rules .= ("check: "
4590 . (var ('BUILT_SOURCES')
4591 ? "\$(BUILT_SOURCES)\n\t\$(MAKE) \$(AM_MAKEFLAGS) "
4593 . (var ('SUBDIRS') ? 'check-recursive' : 'check-am')
4595 depend ('.MAKE', 'check')
4596 if var ('BUILT_SOURCES');
4599 # handle_clean ($MAKEFILE)
4600 # ------------------------
4601 # Handle all 'clean' targets.
4602 sub handle_clean ($)
4604 my ($makefile) = @_;
4606 # Clean the files listed in user variables if they exist.
4607 $clean_files{'$(MOSTLYCLEANFILES)'} = MOSTLY_CLEAN
4608 if var ('MOSTLYCLEANFILES');
4609 $clean_files{'$(CLEANFILES)'} = CLEAN
4610 if var ('CLEANFILES');
4611 $clean_files{'$(DISTCLEANFILES)'} = DIST_CLEAN
4612 if var ('DISTCLEANFILES');
4613 $clean_files{'$(MAINTAINERCLEANFILES)'} = MAINTAINER_CLEAN
4614 if var ('MAINTAINERCLEANFILES');
4616 # Built sources are automatically removed by maintainer-clean.
4617 $clean_files{'$(BUILT_SOURCES)'} = MAINTAINER_CLEAN
4618 if var ('BUILT_SOURCES');
4620 # Compute a list of "rm"s to run for each target.
4621 my %rms = (MOSTLY_CLEAN, [],
4624 MAINTAINER_CLEAN, []);
4626 foreach my $file (keys %clean_files)
4628 my $when = $clean_files{$file};
4629 prog_error 'invalid entry in %clean_files'
4630 unless exists $rms{$when};
4632 my $rm = "rm -f $file";
4633 # If file is a variable, make sure when don't call 'rm -f' without args.
4634 $rm ="test -z \"$file\" || $rm"
4635 if ($file =~ /^\s*\$(\(.*\)|\{.*\})\s*$/);
4637 push @{$rms{$when}}, "\t-$rm\n";
4640 $output_rules .= &file_contents
4642 new Automake::Location,
4643 MOSTLYCLEAN_RMS => join ('', sort @{$rms{&MOSTLY_CLEAN}}),
4644 CLEAN_RMS => join ('', sort @{$rms{&CLEAN}}),
4645 DISTCLEAN_RMS => join ('', sort @{$rms{&DIST_CLEAN}}),
4646 MAINTAINER_CLEAN_RMS => join ('', sort @{$rms{&MAINTAINER_CLEAN}}),
4647 MAKEFILE => basename $makefile,
4652 # &target_cmp ($A, $B)
4653 # --------------------
4654 # Subroutine for &handle_factored_dependencies to let '.PHONY' and
4655 # other '.TARGETS' be last.
4658 return 0 if $a eq $b;
4660 my $a1 = substr ($a, 0, 1);
4661 my $b1 = substr ($b, 0, 1);
4664 return -1 if $b1 eq '.';
4665 return 1 if $a1 eq '.';
4671 # &handle_factored_dependencies ()
4672 # --------------------------------
4673 # Handle everything related to gathered targets.
4674 sub handle_factored_dependencies
4677 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
4678 'uninstall-exec-local', 'uninstall-exec-hook',
4679 'uninstall-dvi-local',
4680 'uninstall-html-local',
4681 'uninstall-info-local',
4682 'uninstall-pdf-local',
4683 'uninstall-ps-local')
4687 reject_rule ($utarg, "use '$x', not '$utarg'");
4690 reject_rule ('install-local',
4691 "use 'install-data-local' or 'install-exec-local', "
4692 . "not 'install-local'");
4694 reject_rule ('install-hook',
4695 "use 'install-data-hook' or 'install-exec-hook', "
4696 . "not 'install-hook'");
4698 # Install the -local hooks.
4699 foreach (keys %dependencies)
4701 # Hooks are installed on the -am targets.
4703 depend ("$_-am", "$_-local")
4704 if user_phony_rule "$_-local";
4707 # Install the -hook hooks.
4708 # FIXME: Why not be as liberal as we are with -local hooks?
4709 foreach ('install-exec', 'install-data', 'uninstall')
4711 if (user_phony_rule "$_-hook")
4713 depend ('.MAKE', "$_-am");
4714 register_action("$_-am",
4715 ("\t\@\$(NORMAL_INSTALL)\n"
4716 . "\t\$(MAKE) \$(AM_MAKEFLAGS) $_-hook"));
4720 # All the required targets are phony.
4721 depend ('.PHONY', keys %required_targets);
4723 # Actually output gathered targets.
4724 foreach (sort target_cmp keys %dependencies)
4726 # If there is nothing about this guy, skip it.
4728 unless (@{$dependencies{$_}}
4730 || $required_targets{$_});
4732 # Define gathered targets in undefined conditions.
4733 # FIXME: Right now we must handle .PHONY as an exception,
4734 # because people write things like
4735 # .PHONY: myphonytarget
4736 # to append dependencies. This would not work if Automake
4737 # refrained from defining its own .PHONY target as it does
4738 # with other overridden targets.
4739 # Likewise for '.MAKE'.
4740 my @undefined_conds = (TRUE,);
4741 if ($_ ne '.PHONY' && $_ ne '.MAKE')
4744 Automake::Rule::define ($_, 'internal',
4745 RULE_AUTOMAKE, TRUE, INTERNAL);
4747 my @uniq_deps = uniq (sort @{$dependencies{$_}});
4748 foreach my $cond (@undefined_conds)
4750 my $condstr = $cond->subst_string;
4751 &pretty_print_rule ("$condstr$_:", "$condstr\t", @uniq_deps);
4752 $output_rules .= $actions{$_} if defined $actions{$_};
4753 $output_rules .= "\n";
4759 # &handle_tests_dejagnu ()
4760 # ------------------------
4761 sub handle_tests_dejagnu
4763 push (@check_tests, 'check-DEJAGNU');
4764 $output_rules .= file_contents ('dejagnu', new Automake::Location);
4767 sub handle_per_suffix_test
4769 my ($test_suffix, %transform) = @_;
4770 my ($pfx, $generic, $am_exeext);
4771 if ($test_suffix eq '')
4775 $am_exeext = 'FALSE';
4779 prog_error ("test suffix '$test_suffix' lacks leading dot")
4780 unless $test_suffix =~ m/^\.(.*)/;
4781 $pfx = uc ($1) . '_';
4783 $am_exeext = exists $configure_vars{'EXEEXT'} ? 'am__EXEEXT'
4786 # The "test driver" program, deputed to handle tests protocol used by
4787 # test scripts. By default, it's assumed that no protocol is used, so
4788 # we fall back to the old behaviour, implemented by the 'test-driver'
4790 if (! var "${pfx}LOG_DRIVER")
4792 require_conf_file ("parallel-tests", FOREIGN, 'test-driver');
4793 define_variable ("${pfx}LOG_DRIVER",
4794 "\$(SHELL) $am_config_aux_dir/test-driver",
4797 my $driver = '$(' . $pfx . 'LOG_DRIVER)';
4798 my $driver_flags = '$(AM_' . $pfx . 'LOG_DRIVER_FLAGS)'
4799 . ' $(' . $pfx . 'LOG_DRIVER_FLAGS)';
4800 my $compile = "${pfx}LOG_COMPILE";
4801 define_variable ($compile,
4802 '$(' . $pfx . 'LOG_COMPILER)'
4803 . ' $(AM_' . $pfx . 'LOG_FLAGS)'
4804 . ' $(' . $pfx . 'LOG_FLAGS)',
4806 $output_rules .= file_contents ('check2', new Automake::Location,
4807 GENERIC => $generic,
4809 DRIVER_FLAGS => $driver_flags,
4810 COMPILE => '$(' . $compile . ')',
4811 EXT => $test_suffix,
4812 am__EXEEXT => $am_exeext,
4816 # is_valid_test_extension ($EXT)
4817 # ------------------------------
4818 # Return true if $EXT can appear in $(TEST_EXTENSIONS), return false
4820 sub is_valid_test_extension ($)
4824 if ($ext =~ /^\.[a-zA-Z_][a-zA-Z0-9_]*$/);
4826 if (exists $configure_vars{'EXEEXT'} && $ext eq subst ('EXEEXT'));
4830 # Handle TESTS variable and other checks.
4833 if (option 'dejagnu')
4835 &handle_tests_dejagnu;
4839 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4841 reject_var ($c, "'$c' defined but 'dejagnu' not in "
4842 . "'AUTOMAKE_OPTIONS'");
4848 push (@check_tests, 'check-TESTS');
4849 my $check_deps = "@check";
4850 $output_rules .= &file_contents ('check', new Automake::Location,
4851 COLOR => !! option 'color-tests',
4852 SERIAL_TESTS => !! option 'serial-tests',
4853 CHECK_DEPS => $check_deps);
4855 # Tests that are known programs should have $(EXEEXT) appended.
4856 # For matching purposes, we need to adjust XFAIL_TESTS as well.
4857 append_exeext { exists $known_programs{$_[0]} } 'TESTS';
4858 append_exeext { exists $known_programs{$_[0]} } 'XFAIL_TESTS'
4859 if (var ('XFAIL_TESTS'));
4861 if (! option 'serial-tests')
4863 define_variable ('TEST_SUITE_LOG', 'test-suite.log', INTERNAL);
4866 my $handle_exeext = exists $configure_vars{'EXEEXT'};
4869 $at_exeext = subst ('EXEEXT');
4870 $suff = $at_exeext . ' ' . $suff;
4872 if (! var 'TEST_EXTENSIONS')
4874 define_variable ('TEST_EXTENSIONS', $suff, INTERNAL);
4876 my $var = var 'TEST_EXTENSIONS';
4877 # Currently, we are not able to deal with conditional contents
4878 # in TEST_EXTENSIONS.
4879 if ($var->has_conditional_contents)
4881 msg_var 'unsupported', $var,
4882 "'TEST_EXTENSIONS' cannot have conditional contents";
4884 my @test_suffixes = $var->value_as_list_recursive;
4885 if ((my @invalid_test_suffixes =
4886 grep { !is_valid_test_extension $_ } @test_suffixes) > 0)
4888 error $var->rdef (TRUE)->location,
4889 "invalid test extensions: @invalid_test_suffixes";
4891 @test_suffixes = grep { is_valid_test_extension $_ } @test_suffixes;
4894 unshift (@test_suffixes, $at_exeext)
4895 unless $test_suffixes[0] eq $at_exeext;
4897 unshift (@test_suffixes, '');
4899 transform_variable_recursively
4900 ('TESTS', 'TEST_LOGS', 'am__testlogs', 1, INTERNAL,
4902 my ($subvar, $val, $cond, $full_cond) = @_;
4905 if $val =~ /^\@.*\@$/;
4906 $obj =~ s/\$\(EXEEXT\)$//o;
4908 if ($val =~ /(\$\((top_)?srcdir\))\//o)
4910 msg ('error', $subvar->rdef ($cond)->location,
4911 "using '$1' in TESTS is currently broken: '$val'");
4914 foreach my $test_suffix (@test_suffixes)
4917 if $test_suffix eq $at_exeext || $test_suffix eq '';
4918 return substr ($obj, 0, length ($obj) - length ($test_suffix)) . '.log'
4919 if substr ($obj, - length ($test_suffix)) eq $test_suffix;
4923 handle_per_suffix_test ('',
4933 my $last_suffix = $test_suffixes[$#test_suffixes];
4935 foreach my $test_suffix (@test_suffixes)
4937 if ($test_suffix eq $last_suffix)
4943 $cur = 'am__test_logs' . $nhelper;
4945 define_variable ($cur,
4946 '$(' . $prev . ':' . $test_suffix . $post . '=.log)', INTERNAL);
4950 if ($test_suffix ne $at_exeext && $test_suffix ne '')
4952 handle_per_suffix_test ($test_suffix,
4958 $clean_files{'$(TEST_LOGS)'} = MOSTLY_CLEAN;
4959 $clean_files{'$(TEST_LOGS:.log=.trs)'} = MOSTLY_CLEAN;
4960 $clean_files{'$(TEST_SUITE_LOG)'} = MOSTLY_CLEAN;
4965 # Handle Emacs Lisp.
4966 sub handle_emacs_lisp
4968 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
4971 return if ! @elfiles;
4973 define_pretty_variable ('am__ELFILES', TRUE, INTERNAL,
4974 map { $_->[1] } @elfiles);
4975 define_pretty_variable ('am__ELCFILES', TRUE, INTERNAL,
4976 '$(am__ELFILES:.el=.elc)');
4977 # This one can be overridden by users.
4978 define_pretty_variable ('ELCFILES', TRUE, INTERNAL, '$(LISP:.el=.elc)');
4980 push @all, '$(ELCFILES)';
4982 require_variables ($elfiles[0][0], "Emacs Lisp sources seen", TRUE,
4983 'EMACS', 'lispdir');
4984 require_conf_file ($elfiles[0][0], FOREIGN, 'elisp-comp');
4985 &define_variable ('elisp_comp', "$am_config_aux_dir/elisp-comp", INTERNAL);
4991 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4993 return if ! @pyfiles;
4995 require_variables ($pyfiles[0][0], "Python sources seen", TRUE, 'PYTHON');
4996 require_conf_file ($pyfiles[0][0], FOREIGN, 'py-compile');
4997 &define_variable ('py_compile', "$am_config_aux_dir/py-compile", INTERNAL);
5003 my @sourcelist = &am_install_var ('-candist',
5006 return if ! @sourcelist;
5008 my @prefixes = am_primary_prefixes ('JAVA', 1,
5012 my @java_sources = ();
5013 foreach my $prefix (@prefixes)
5015 (my $curs = $prefix) =~ s/^(?:nobase_)?(?:dist_|nodist_)?//;
5018 if $curs eq 'EXTRA';
5020 push @java_sources, '$(' . $prefix . '_JAVA' . ')';
5024 err_var "${curs}_JAVA", "multiple _JAVA primaries in use"
5025 unless $curs eq $dir;
5031 define_pretty_variable ('am__java_sources', TRUE, INTERNAL,
5034 if ($dir eq 'check')
5036 push (@check, "class$dir.stamp");
5040 push (@all, "class$dir.stamp");
5045 # Handle some of the minor options.
5046 sub handle_minor_options
5048 if (option 'readme-alpha')
5050 if ($relative_dir eq '.')
5052 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
5054 msg ('error-gnits', $package_version_location,
5055 "version '$package_version' doesn't follow " .
5058 if (defined $1 && -f 'README-alpha')
5060 # This means we have an alpha release. See
5061 # GNITS_VERSION_PATTERN for details.
5062 push_dist_common ('README-alpha');
5068 ################################################################
5070 # ($OUTPUT, @INPUTS)
5071 # &split_config_file_spec ($SPEC)
5072 # -------------------------------
5073 # Decode the Autoconf syntax for config files (files, headers, links
5075 sub split_config_file_spec ($)
5078 my ($output, @inputs) = split (/:/, $spec);
5080 push @inputs, "$output.in"
5083 return ($output, @inputs);
5087 # locate_am (@POSSIBLE_SOURCES)
5088 # -----------------------------
5089 # AC_CONFIG_FILES allow specifications such as Makefile:top.in:mid.in:bot.in
5090 # This functions returns the first *.in file for which a *.am exists.
5091 # It returns undef otherwise.
5096 foreach my $file (@rest)
5098 if (($file =~ /^(.*)\.in$/) && -f "$1.am")
5109 # &scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
5110 # ---------------------------------------------------
5111 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
5113 sub scan_autoconf_config_files ($$)
5115 my ($where, $config_files) = @_;
5117 # Look at potential Makefile.am's.
5118 foreach (split ' ', $config_files)
5120 # Must skip empty string for Perl 4.
5121 next if $_ eq "\\" || $_ eq '';
5123 # Handle $local:$input syntax.
5124 my ($local, @rest) = split (/:/);
5125 @rest = ("$local.in",) unless @rest;
5126 # Keep in sync with 'conffile-leading-dot.test'.
5127 msg ('unsupported', $where,
5128 "omit leading './' from config file names such as '$local';"
5129 . "\nremake rules might be subtly broken otherwise")
5130 if ($local =~ /^\.\//);
5131 my $input = locate_am @rest;
5134 # We have a file that automake should generate.
5135 $make_list{$input} = join (':', ($local, @rest));
5139 # We have a file that automake should cause to be
5140 # rebuilt, but shouldn't generate itself.
5141 push (@other_input_files, $_);
5143 $ac_config_files_location{$local} = $where;
5144 $ac_config_files_condition{$local} =
5145 new Automake::Condition (@cond_stack)
5151 # &scan_autoconf_traces ($FILENAME)
5152 # ---------------------------------
5153 sub scan_autoconf_traces ($)
5155 my ($filename) = @_;
5157 # Macros to trace, with their minimal number of arguments.
5159 # IMPORTANT: If you add a macro here, you should also add this macro
5160 # ========= to Automake-preselection in autoconf/lib/autom4te.in.
5162 AC_CANONICAL_BUILD => 0,
5163 AC_CANONICAL_HOST => 0,
5164 AC_CANONICAL_TARGET => 0,
5165 AC_CONFIG_AUX_DIR => 1,
5166 AC_CONFIG_FILES => 1,
5167 AC_CONFIG_HEADERS => 1,
5168 AC_CONFIG_LIBOBJ_DIR => 1,
5169 AC_CONFIG_LINKS => 1,
5173 AC_REQUIRE_AUX_FILE => 1,
5174 AC_SUBST_TRACE => 1,
5175 AM_AUTOMAKE_VERSION => 1,
5176 AM_CONDITIONAL => 2,
5177 AM_GNU_GETTEXT => 0,
5178 AM_GNU_GETTEXT_INTL_SUBDIR => 0,
5179 AM_INIT_AUTOMAKE => 0,
5180 AM_MAINTAINER_MODE => 0,
5182 AM_PROG_CC_C_O => 0,
5183 _AM_SUBST_NOTMAKE => 1,
5186 _AM_COND_ENDIF => 1,
5187 LT_SUPPORTED_TAG => 1,
5188 _LT_AC_TAGCONFIG => 0,
5194 my $traces = ($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ";
5196 # Use a separator unlikely to be used, not ':', the default, which
5197 # has a precise meaning for AC_CONFIG_FILES and so on.
5198 $traces .= join (' ',
5199 map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
5202 my $tracefh = new Automake::XFile ("$traces $filename |");
5203 verb "reading $traces";
5208 while ($_ = $tracefh->getline)
5211 my ($here, $depth, @args) = split (/::/);
5212 $where = new Automake::Location $here;
5213 my $macro = $args[0];
5215 prog_error ("unrequested trace '$macro'")
5216 unless exists $traced{$macro};
5218 # Skip and diagnose malformed calls.
5219 if ($#args < $traced{$macro})
5221 msg ('syntax', $where, "not enough arguments for $macro");
5225 # Alphabetical ordering please.
5226 if ($macro eq 'AC_CANONICAL_BUILD')
5228 if ($seen_canonical <= AC_CANONICAL_BUILD)
5230 $seen_canonical = AC_CANONICAL_BUILD;
5231 $canonical_location = $where;
5234 elsif ($macro eq 'AC_CANONICAL_HOST')
5236 if ($seen_canonical <= AC_CANONICAL_HOST)
5238 $seen_canonical = AC_CANONICAL_HOST;
5239 $canonical_location = $where;
5242 elsif ($macro eq 'AC_CANONICAL_TARGET')
5244 $seen_canonical = AC_CANONICAL_TARGET;
5245 $canonical_location = $where;
5247 elsif ($macro eq 'AC_CONFIG_AUX_DIR')
5249 if ($seen_init_automake)
5251 error ($where, "AC_CONFIG_AUX_DIR must be called before "
5252 . "AM_INIT_AUTOMAKE ...", partial => 1);
5253 error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
5255 $config_aux_dir = $args[1];
5256 $config_aux_dir_set_in_configure_ac = 1;
5257 check_directory ($config_aux_dir, $where);
5259 elsif ($macro eq 'AC_CONFIG_FILES')
5261 # Look at potential Makefile.am's.
5262 scan_autoconf_config_files ($where, $args[1]);
5264 elsif ($macro eq 'AC_CONFIG_HEADERS')
5266 foreach my $spec (split (' ', $args[1]))
5268 my ($dest, @src) = split (':', $spec);
5269 $ac_config_files_location{$dest} = $where;
5270 push @config_headers, $spec;
5273 elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
5275 $config_libobj_dir = $args[1];
5276 check_directory ($config_libobj_dir, $where);
5278 elsif ($macro eq 'AC_CONFIG_LINKS')
5280 foreach my $spec (split (' ', $args[1]))
5282 my ($dest, $src) = split (':', $spec);
5283 $ac_config_files_location{$dest} = $where;
5284 push @config_links, $spec;
5287 elsif ($macro eq 'AC_FC_SRCEXT')
5289 my $suffix = $args[1];
5290 # These flags are used as %SOURCEFLAG% in depend2.am,
5291 # where the trailing space is important.
5292 $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
5293 if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
5295 elsif ($macro eq 'AC_INIT')
5297 if (defined $args[2])
5299 $package_version = $args[2];
5300 $package_version_location = $where;
5303 elsif ($macro eq 'AC_LIBSOURCE')
5305 $libsources{$args[1]} = $here;
5307 elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
5309 # Only remember the first time a file is required.
5310 $required_aux_file{$args[1]} = $where
5311 unless exists $required_aux_file{$args[1]};
5313 elsif ($macro eq 'AC_SUBST_TRACE')
5315 # Just check for alphanumeric in AC_SUBST_TRACE. If you do
5316 # AC_SUBST(5), then too bad.
5317 $configure_vars{$args[1]} = $where
5318 if $args[1] =~ /^\w+$/;
5320 elsif ($macro eq 'AM_AUTOMAKE_VERSION')
5323 "version mismatch. This is Automake $VERSION,\n" .
5324 "but the definition used by this AM_INIT_AUTOMAKE\n" .
5325 "comes from Automake $args[1]. You should recreate\n" .
5326 "aclocal.m4 with aclocal and run automake again.\n",
5327 # $? = 63 is used to indicate version mismatch to missing.
5329 if $VERSION ne $args[1];
5331 $seen_automake_version = 1;
5333 elsif ($macro eq 'AM_CONDITIONAL')
5335 $configure_cond{$args[1]} = $where;
5337 elsif ($macro eq 'AM_GNU_GETTEXT')
5339 $seen_gettext = $where;
5340 $ac_gettext_location = $where;
5341 $seen_gettext_external = grep ($_ eq 'external', @args);
5343 elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
5345 $seen_gettext_intl = $where;
5347 elsif ($macro eq 'AM_INIT_AUTOMAKE')
5349 $seen_init_automake = $where;
5350 if (defined $args[2])
5352 msg 'obsolete', $where, <<'EOF';
5353 AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see:
5354 http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_INIT_AUTOMAKE-invocation
5356 $package_version = $args[2];
5357 $package_version_location = $where;
5359 elsif (defined $args[1])
5361 my @opts = split (' ', $args[1]);
5362 @opts = map { { option => $_, where => $where } } @opts;
5363 exit $exit_code if process_global_option_list (@opts);
5366 elsif ($macro eq 'AM_MAINTAINER_MODE')
5368 $seen_maint_mode = $where;
5370 elsif ($macro eq 'AM_PROG_AR')
5374 elsif ($macro eq 'AM_PROG_CC_C_O')
5376 $seen_cc_c_o = $where;
5378 elsif ($macro eq '_AM_COND_IF')
5380 cond_stack_if ('', $args[1], $where);
5381 error ($where, "missing m4 quoting, macro depth $depth")
5384 elsif ($macro eq '_AM_COND_ELSE')
5386 cond_stack_else ('!', $args[1], $where);
5387 error ($where, "missing m4 quoting, macro depth $depth")
5390 elsif ($macro eq '_AM_COND_ENDIF')
5392 cond_stack_endif (undef, undef, $where);
5393 error ($where, "missing m4 quoting, macro depth $depth")
5396 elsif ($macro eq '_AM_SUBST_NOTMAKE')
5398 $ignored_configure_vars{$args[1]} = $where;
5400 elsif ($macro eq 'm4_include'
5401 || $macro eq 'm4_sinclude'
5402 || $macro eq 'sinclude')
5404 # Skip missing 'sinclude'd files.
5405 next if $macro ne 'm4_include' && ! -f $args[1];
5407 # Some modified versions of Autoconf don't use
5408 # frozen files. Consequently it's possible that we see all
5409 # m4_include's performed during Autoconf's startup.
5410 # Obviously we don't want to distribute Autoconf's files
5411 # so we skip absolute filenames here.
5412 push @configure_deps, '$(top_srcdir)/' . $args[1]
5413 unless $here =~ m,^(?:\w:)?[\\/],;
5414 # Keep track of the greatest timestamp.
5417 my $mtime = mtime $args[1];
5418 $configure_deps_greatest_timestamp = $mtime
5419 if $mtime > $configure_deps_greatest_timestamp;
5422 elsif ($macro eq 'LT_SUPPORTED_TAG')
5424 $libtool_tags{$args[1]} = 1;
5425 $libtool_new_api = 1;
5427 elsif ($macro eq '_LT_AC_TAGCONFIG')
5429 # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
5430 # We use it to detect whether tags are supported. Our
5431 # preferred interface is LT_SUPPORTED_TAG, but it was
5432 # introduced in Libtool 1.6.
5433 if (0 == keys %libtool_tags)
5435 # Hardcode the tags supported by Libtool 1.5.
5436 %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
5441 error ($where, "condition stack not properly closed")
5448 # &scan_autoconf_files ()
5449 # -----------------------
5450 # Check whether we use 'configure.ac' or 'configure.in'.
5451 # Scan it (and possibly 'aclocal.m4') for interesting things.
5452 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
5453 sub scan_autoconf_files ()
5455 # Reinitialize libsources here. This isn't really necessary,
5456 # since we currently assume there is only one configure.ac. But
5457 # that won't always be the case.
5460 # Keep track of the youngest configure dependency.
5461 $configure_deps_greatest_timestamp = mtime $configure_ac;
5462 if (-e 'aclocal.m4')
5464 my $mtime = mtime 'aclocal.m4';
5465 $configure_deps_greatest_timestamp = $mtime
5466 if $mtime > $configure_deps_greatest_timestamp;
5469 scan_autoconf_traces ($configure_ac);
5471 @configure_input_files = sort keys %make_list;
5472 # Set input and output files if not specified by user.
5475 @input_files = @configure_input_files;
5476 %output_files = %make_list;
5480 if (! $seen_init_automake)
5482 err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
5483 . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
5484 . "\nthat aclocal.m4 is present in the top-level directory,\n"
5485 . "and that aclocal.m4 was recently regenerated "
5486 . "(using aclocal)");
5490 if (! $seen_automake_version)
5492 if (-f 'aclocal.m4')
5494 error ($seen_init_automake,
5495 "your implementation of AM_INIT_AUTOMAKE comes from " .
5496 "an\nold Automake version. You should recreate " .
5497 "aclocal.m4\nwith aclocal and run automake again",
5498 # $? = 63 is used to indicate version mismatch to missing.
5503 error ($seen_init_automake,
5504 "no proper implementation of AM_INIT_AUTOMAKE was " .
5505 "found,\nprobably because aclocal.m4 is missing.\n" .
5506 "You should run aclocal to create this file, then\n" .
5507 "run automake again");
5514 # Look for some files we need. Always check for these. This
5515 # check must be done for every run, even those where we are only
5516 # looking at a subdir Makefile. We must set relative_dir for
5517 # push_required_file to work.
5518 # Sort the files for stable verbose output.
5519 $relative_dir = '.';
5520 foreach my $file (sort keys %required_aux_file)
5522 require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
5524 err_am "'install.sh' is an anachronism; use 'install-sh' instead"
5525 if -f $config_aux_dir . '/install.sh';
5527 # Preserve dist_common for later.
5528 $configure_dist_common = variable_value ('DIST_COMMON') || '';
5532 ################################################################
5534 # Do any extra checking for GNU standards.
5535 sub check_gnu_standards
5537 if ($relative_dir eq '.')
5539 # In top level (or only) directory.
5540 require_file ("$am_file.am", GNU,
5541 qw/INSTALL NEWS README AUTHORS ChangeLog/);
5543 # Accept one of these three licenses; default to COPYING.
5544 # Make sure we do not overwrite an existing license.
5546 foreach (qw /COPYING COPYING.LIB COPYING.LESSER/)
5554 require_file ("$am_file.am", GNU, 'COPYING')
5558 for my $opt ('no-installman', 'no-installinfo')
5560 msg ('error-gnu', option $opt,
5561 "option '$opt' disallowed by GNU standards")
5566 # Do any extra checking for GNITS standards.
5567 sub check_gnits_standards
5569 if ($relative_dir eq '.')
5571 # In top level (or only) directory.
5572 require_file ("$am_file.am", GNITS, 'THANKS');
5576 ################################################################
5578 # Functions to handle files of each language.
5580 # Each 'lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
5581 # simple formula: Return value is LANG_SUBDIR if the resulting object
5582 # file should be in a subdir if the source file is, LANG_PROCESS if
5583 # file is to be dealt with, LANG_IGNORE otherwise.
5585 # Much of the actual processing is handled in
5586 # handle_single_transform. These functions exist so that
5587 # auxiliary information can be recorded for a later cleanup pass.
5588 # Note that the calls to these functions are computed, so don't bother
5589 # searching for their precise names in the source.
5591 # This is just a convenience function that can be used to determine
5592 # when a subdir object should be used.
5595 return option 'subdir-objects' ? LANG_SUBDIR : LANG_PROCESS;
5598 # Rewrite a single C source file.
5601 my ($directory, $base, $ext, $obj, $have_per_exec_flags, $var) = @_;
5603 my $r = LANG_PROCESS;
5604 if (option 'subdir-objects')
5607 if ($directory && $directory ne '.')
5609 $base = $directory . '/' . $base;
5611 # libtool is always able to put the object at the proper place,
5612 # so we do not have to require AM_PROG_CC_C_O when building .lo files.
5613 msg_var ('portability', $var,
5614 "compiling '$base.c' in subdir requires "
5615 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5616 uniq_scope => US_GLOBAL,
5617 uniq_part => 'AM_PROG_CC_C_O subdir')
5618 unless $seen_cc_c_o || $obj eq '.lo';
5623 && $have_per_exec_flags
5624 && ! option 'subdir-objects'
5627 msg_var ('portability',
5628 $var, "compiling '$base.c' with per-target flags requires "
5629 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5630 uniq_scope => US_GLOBAL,
5631 uniq_part => 'AM_PROG_CC_C_O per-target')
5637 # Rewrite a single C++ source file.
5638 sub lang_cxx_rewrite
5640 return &lang_sub_obj;
5643 # Rewrite a single header file.
5644 sub lang_header_rewrite
5646 # Header files are simply ignored.
5650 # Rewrite a single Vala source file.
5651 sub lang_vala_rewrite
5653 my ($directory, $base, $ext) = @_;
5655 (my $newext = $ext) =~ s/vala$/c/;
5656 return (LANG_SUBDIR, $newext);
5659 # Rewrite a single yacc file.
5660 sub lang_yacc_rewrite
5662 my ($directory, $base, $ext) = @_;
5664 my $r = &lang_sub_obj;
5665 (my $newext = $ext) =~ tr/y/c/;
5666 return ($r, $newext);
5669 # Rewrite a single yacc++ file.
5670 sub lang_yaccxx_rewrite
5672 my ($directory, $base, $ext) = @_;
5674 my $r = &lang_sub_obj;
5675 (my $newext = $ext) =~ tr/y/c/;
5676 return ($r, $newext);
5679 # Rewrite a single lex file.
5680 sub lang_lex_rewrite
5682 my ($directory, $base, $ext) = @_;
5684 my $r = &lang_sub_obj;
5685 (my $newext = $ext) =~ tr/l/c/;
5686 return ($r, $newext);
5689 # Rewrite a single lex++ file.
5690 sub lang_lexxx_rewrite
5692 my ($directory, $base, $ext) = @_;
5694 my $r = &lang_sub_obj;
5695 (my $newext = $ext) =~ tr/l/c/;
5696 return ($r, $newext);
5699 # Rewrite a single assembly file.
5700 sub lang_asm_rewrite
5702 return &lang_sub_obj;
5705 # Rewrite a single preprocessed assembly file.
5706 sub lang_cppasm_rewrite
5708 return &lang_sub_obj;
5711 # Rewrite a single Fortran 77 file.
5712 sub lang_f77_rewrite
5714 return &lang_sub_obj;
5717 # Rewrite a single Fortran file.
5720 return &lang_sub_obj;
5723 # Rewrite a single preprocessed Fortran file.
5724 sub lang_ppfc_rewrite
5726 return &lang_sub_obj;
5729 # Rewrite a single preprocessed Fortran 77 file.
5730 sub lang_ppf77_rewrite
5732 return &lang_sub_obj;
5735 # Rewrite a single ratfor file.
5736 sub lang_ratfor_rewrite
5738 return &lang_sub_obj;
5741 # Rewrite a single Objective C file.
5742 sub lang_objc_rewrite
5744 return &lang_sub_obj;
5747 # Rewrite a single Objective C++ file.
5748 sub lang_objcxx_rewrite
5750 return &lang_sub_obj;
5753 # Rewrite a single Unified Parallel C file.
5754 sub lang_upc_rewrite
5756 return &lang_sub_obj;
5759 # Rewrite a single Java file.
5760 sub lang_java_rewrite
5765 # The lang_X_finish functions are called after all source file
5766 # processing is done. Each should handle defining rules for the
5767 # language, etc. A finish function is only called if a source file of
5768 # the appropriate type has been seen.
5770 sub lang_vala_finish_target ($$)
5772 my ($self, $name) = @_;
5774 my $derived = canonicalize ($name);
5775 my $var = var "${derived}_SOURCES";
5778 my @vala_sources = grep { /\.(vala|vapi)$/ } ($var->value_as_list_recursive);
5780 # For automake bug#11229.
5781 return unless @vala_sources;
5783 foreach my $vala_file (@vala_sources)
5785 my $c_file = $vala_file;
5786 if ($c_file =~ s/(.*)\.vala$/$1.c/)
5788 $c_file = "\$(srcdir)/$c_file";
5789 $output_rules .= "$c_file: \$(srcdir)/${derived}_vala.stamp\n"
5790 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5791 . "\t\@if test -f \$@; then :; else \\\n"
5792 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5794 $clean_files{$c_file} = MAINTAINER_CLEAN;
5798 # Add rebuild rules for generated header and vapi files
5799 my $flags = var ($derived . '_VALAFLAGS');
5803 foreach my $flag ($flags->value_as_list_recursive)
5805 if (grep (/$lastflag/, ('-H', '-h', '--header', '--internal-header',
5806 '--vapi', '--internal-vapi', '--gir')))
5808 my $headerfile = "\$(srcdir)/$flag";
5809 $output_rules .= "$headerfile: \$(srcdir)/${derived}_vala.stamp\n"
5810 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5811 . "\t\@if test -f \$@; then :; else \\\n"
5812 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5815 # valac is not used when building from dist tarballs
5816 # distribute the generated files
5817 push_dist_common ($headerfile);
5818 $clean_files{$headerfile} = MAINTAINER_CLEAN;
5824 my $compile = $self->compile;
5826 # Rewrite each occurrence of 'AM_VALAFLAGS' in the compile
5827 # rule into '${derived}_VALAFLAGS' if it exists.
5828 my $val = "${derived}_VALAFLAGS";
5829 $compile =~ s/\(AM_VALAFLAGS\)/\($val\)/
5832 # VALAFLAGS is a user variable (per GNU Standards),
5833 # it should not be overridden in the Makefile...
5834 check_user_variables 'VALAFLAGS';
5836 my $dirname = dirname ($name);
5838 # Only generate C code, do not run C compiler
5841 my $verbose = verbose_flag ('VALAC');
5842 my $silent = silent_flag ();
5843 my $stampfile = "\$(srcdir)/${derived}_vala.stamp";
5846 "\$(srcdir)/${derived}_vala.stamp: @vala_sources\n".
5847 # Since the C files generated from the vala sources depend on the
5848 # ${derived}_vala.stamp file, we must ensure its timestamp is older than
5849 # those of the C files generated by the valac invocation below (this is
5850 # especially important on systems with sub-second timestamp resolution).
5851 # Thus we need to create the stamp file *before* invoking valac, and to
5852 # move it to its final location only after valac has been invoked.
5853 "\t${silent}rm -f \$\@ && echo stamp > \$\@-t\n".
5854 "\t${verbose}\$(am__cd) \$(srcdir) && $compile @vala_sources\n".
5855 "\t${silent}mv -f \$\@-t \$\@\n";
5857 push_dist_common ($stampfile);
5859 $clean_files{$stampfile} = MAINTAINER_CLEAN;
5862 # Add output rules to invoke valac and create stamp file as a witness
5863 # to handle multiple outputs. This function is called after all source
5864 # file processing is done.
5865 sub lang_vala_finish
5869 foreach my $prog (keys %known_programs)
5871 lang_vala_finish_target ($self, $prog);
5874 while (my ($name) = each %known_libraries)
5876 lang_vala_finish_target ($self, $name);
5880 # The built .c files should be cleaned only on maintainer-clean
5881 # as the .c files are distributed. This function is called for each
5882 # .vala source file.
5883 sub lang_vala_target_hook
5885 my ($self, $aggregate, $output, $input, %transform) = @_;
5887 $clean_files{$output} = MAINTAINER_CLEAN;
5890 # This is a yacc helper which is called whenever we have decided to
5891 # compile a yacc file.
5892 sub lang_yacc_target_hook
5894 my ($self, $aggregate, $output, $input, %transform) = @_;
5896 # If some relevant *YFLAGS variable contains the '-d' flag, we'll
5897 # have to to generate special code.
5898 my $yflags_contains_minus_d = 0;
5900 foreach my $pfx ("", "${aggregate}_")
5902 my $yflagsvar = var ("${pfx}YFLAGS");
5903 next unless $yflagsvar;
5904 # We cannot work reliably with conditionally-defined YFLAGS.
5905 if ($yflagsvar->has_conditional_contents)
5907 msg_var ('unsupported', $yflagsvar,
5908 "'${pfx}YFLAGS' cannot have conditional contents");
5912 $yflags_contains_minus_d = 1
5913 if grep (/^-d$/, $yflagsvar->value_as_list_recursive);
5917 if ($yflags_contains_minus_d)
5919 # Found a '-d' that applies to the compilation of this file.
5920 # Add a dependency for the generated header file, and arrange
5921 # for that file to be included in the distribution.
5923 # The extension of the output file (e.g., '.c' or '.cxx').
5924 # We'll need it to compute the name of the generated header file.
5925 (my $output_ext = basename ($output)) =~ s/.*(\.[^.]+)$/$1/;
5927 # We know that a yacc input should be turned into either a C or
5928 # C++ output file. We depend on this fact (here and in yacc.am),
5929 # so check that it really holds.
5930 my $lang = $languages{$extension_map{$output_ext}};
5931 prog_error "invalid output name '$output' for yacc file '$input'"
5932 if (!$lang || ($lang->name ne 'c' && $lang->name ne 'cxx'));
5934 (my $header_ext = $output_ext) =~ s/c/h/g;
5935 # Quote $output_ext in the regexp, so that dots in it are taken
5936 # as literal dots, not as metacharacters.
5937 (my $header = $output) =~ s/\Q$output_ext\E$/$header_ext/;
5939 foreach my $cond (Automake::Rule::define (${header}, 'internal',
5940 RULE_AUTOMAKE, TRUE,
5943 my $condstr = $cond->subst_string;
5945 "$condstr${header}: $output\n"
5946 # Recover from removal of $header
5947 . "$condstr\t\@if test ! -f \$@; then rm -f $output; else :; fi\n"
5948 . "$condstr\t\@if test ! -f \$@; then \$(MAKE) \$(AM_MAKEFLAGS) $output; else :; fi\n";
5950 # Distribute the generated file, unless its .y source was
5951 # listed in a nodist_ variable. (&handle_source_transform
5952 # will set DIST_SOURCE.)
5953 &push_dist_common ($header)
5954 if $transform{'DIST_SOURCE'};
5956 # The GNU rules say that yacc/lex output files should be removed
5957 # by maintainer-clean. However, if the files are not distributed,
5958 # then we want to remove them with "make clean"; otherwise,
5959 # "make distcheck" will fail.
5960 $clean_files{$header} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5962 # See the comment above for $HEADER.
5963 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5966 # This is a lex helper which is called whenever we have decided to
5967 # compile a lex file.
5968 sub lang_lex_target_hook
5970 my ($self, $aggregate, $output, $input, %transform) = @_;
5971 # The GNU rules say that yacc/lex output files should be removed
5972 # by maintainer-clean. However, if the files are not distributed,
5973 # then we want to remove them with "make clean"; otherwise,
5974 # "make distcheck" will fail.
5975 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5978 # This is a helper for both lex and yacc.
5979 sub yacc_lex_finish_helper
5981 return if defined $language_scratch{'lex-yacc-done'};
5982 $language_scratch{'lex-yacc-done'} = 1;
5984 # FIXME: for now, no line number.
5985 require_conf_file ($configure_ac, FOREIGN, 'ylwrap');
5986 &define_variable ('YLWRAP', "$am_config_aux_dir/ylwrap", INTERNAL);
5989 sub lang_yacc_finish
5991 return if defined $language_scratch{'yacc-done'};
5992 $language_scratch{'yacc-done'} = 1;
5994 reject_var 'YACCFLAGS', "'YACCFLAGS' obsolete; use 'YFLAGS' instead";
5996 yacc_lex_finish_helper;
6002 return if defined $language_scratch{'lex-done'};
6003 $language_scratch{'lex-done'} = 1;
6005 yacc_lex_finish_helper;
6009 # Given a hash table of linker names, pick the name that has the most
6010 # precedence. This is lame, but something has to have global
6011 # knowledge in order to eliminate the conflict. Add more linkers as
6017 foreach my $l (qw(GCJLINK OBJCXXLINK CXXLINK F77LINK FCLINK OBJCLINK UPCLINK))
6019 return $l if defined $linkers{$l};
6024 # Called to indicate that an extension was used.
6028 if (! defined $extension_seen{$ext})
6030 $extension_seen{$ext} = 1;
6034 ++$extension_seen{$ext};
6038 # Return the number of files seen for a given language. Knows about
6039 # special cases we care about. FIXME: this is hideous. We need
6040 # something that involves real language objects. For instance yacc
6041 # and yaccxx could both derive from a common yacc class which would
6042 # know about the strange ylwrap requirement. (Or better yet we could
6043 # just not support legacy yacc!)
6044 sub count_files_for_language
6049 if ($name eq 'yacc' || $name eq 'yaccxx')
6051 @names = ('yacc', 'yaccxx');
6053 elsif ($name eq 'lex' || $name eq 'lexxx')
6055 @names = ('lex', 'lexxx');
6063 foreach $name (@names)
6065 my $lang = $languages{$name};
6066 foreach my $ext (@{$lang->extensions})
6068 $r += $extension_seen{$ext}
6069 if defined $extension_seen{$ext};
6076 # Called to ask whether source files have been seen . If HEADERS is 1,
6077 # headers can be included.
6082 # count all the sources
6084 foreach my $val (values %extension_seen)
6091 $count -= count_files_for_language ('header');
6098 # register_language (%ATTRIBUTE)
6099 # ------------------------------
6100 # Register a single language.
6101 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
6102 sub register_language (%)
6107 $option{'autodep'} = 'no'
6108 unless defined $option{'autodep'};
6109 $option{'linker'} = ''
6110 unless defined $option{'linker'};
6111 $option{'flags'} = []
6112 unless defined $option{'flags'};
6113 $option{'output_extensions'} = sub { return ( '.$(OBJEXT)', '.lo' ) }
6114 unless defined $option{'output_extensions'};
6115 $option{'nodist_specific'} = 0
6116 unless defined $option{'nodist_specific'};
6118 my $lang = new Language (%option);
6121 $extension_map{$_} = $lang->name foreach @{$lang->extensions};
6122 $languages{$lang->name} = $lang;
6123 my $link = $lang->linker;
6126 if (exists $link_languages{$link})
6128 prog_error ("'$link' has different definitions in "
6129 . $lang->name . " and " . $link_languages{$link}->name)
6130 if $lang->link ne $link_languages{$link}->link;
6134 $link_languages{$link} = $lang;
6138 # Update the pattern of known extensions.
6139 accept_extensions (@{$lang->extensions});
6141 # Upate the $suffix_rule map.
6142 foreach my $suffix (@{$lang->extensions})
6144 foreach my $dest (&{$lang->output_extensions} ($suffix))
6146 register_suffix_rule (INTERNAL, $suffix, $dest);
6151 # derive_suffix ($EXT, $OBJ)
6152 # --------------------------
6153 # This function is used to find a path from a user-specified suffix $EXT
6154 # to $OBJ or to some other suffix we recognize internally, e.g. 'cc'.
6155 sub derive_suffix ($$)
6157 my ($source_ext, $obj) = @_;
6159 while (! $extension_map{$source_ext}
6160 && $source_ext ne $obj
6161 && exists $suffix_rules->{$source_ext}
6162 && exists $suffix_rules->{$source_ext}{$obj})
6164 $source_ext = $suffix_rules->{$source_ext}{$obj}[0];
6171 ################################################################
6173 # Pretty-print something and append to output_rules.
6174 sub pretty_print_rule
6176 $output_rules .= &makefile_wrap (@_);
6180 ################################################################
6183 ## -------------------------------- ##
6184 ## Handling the conditional stack. ##
6185 ## -------------------------------- ##
6189 # make_conditional_string ($NEGATE, $COND)
6190 # ----------------------------------------
6191 sub make_conditional_string ($$)
6193 my ($negate, $cond) = @_;
6194 $cond = "${cond}_TRUE"
6195 unless $cond =~ /^TRUE|FALSE$/;
6196 $cond = Automake::Condition::conditional_negate ($cond)
6202 my %_am_macro_for_cond =
6204 AMDEP => "one of the compiler tests\n"
6205 . " AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC, AC_PROG_OBJCXX,\n"
6206 . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC",
6207 am__fastdepCC => 'AC_PROG_CC',
6208 am__fastdepCCAS => 'AM_PROG_AS',
6209 am__fastdepCXX => 'AC_PROG_CXX',
6210 am__fastdepGCJ => 'AM_PROG_GCJ',
6211 am__fastdepOBJC => 'AC_PROG_OBJC',
6212 am__fastdepOBJCXX => 'AC_PROG_OBJCXX',
6213 am__fastdepUPC => 'AM_PROG_UPC'
6217 # cond_stack_if ($NEGATE, $COND, $WHERE)
6218 # --------------------------------------
6219 sub cond_stack_if ($$$)
6221 my ($negate, $cond, $where) = @_;
6223 if (! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/)
6225 my $text = "$cond does not appear in AM_CONDITIONAL";
6226 my $scope = US_LOCAL;
6227 if (exists $_am_macro_for_cond{$cond})
6229 my $mac = $_am_macro_for_cond{$cond};
6230 $text .= "\n The usual way to define '$cond' is to add ";
6231 $text .= ($mac =~ / /) ? $mac : "'$mac'";
6232 $text .= "\n to '$configure_ac' and run 'aclocal' and 'autoconf' again";
6233 # These warnings appear in Automake files (depend2.am),
6234 # so there is no need to display them more than once:
6237 error $where, $text, uniq_scope => $scope;
6240 push (@cond_stack, make_conditional_string ($negate, $cond));
6242 return new Automake::Condition (@cond_stack);
6247 # cond_stack_else ($NEGATE, $COND, $WHERE)
6248 # ----------------------------------------
6249 sub cond_stack_else ($$$)
6251 my ($negate, $cond, $where) = @_;
6255 error $where, "else without if";
6259 $cond_stack[$#cond_stack] =
6260 Automake::Condition::conditional_negate ($cond_stack[$#cond_stack]);
6262 # If $COND is given, check against it.
6265 $cond = make_conditional_string ($negate, $cond);
6267 error ($where, "else reminder ($negate$cond) incompatible with "
6268 . "current conditional: $cond_stack[$#cond_stack]")
6269 if $cond_stack[$#cond_stack] ne $cond;
6272 return new Automake::Condition (@cond_stack);
6277 # cond_stack_endif ($NEGATE, $COND, $WHERE)
6278 # -----------------------------------------
6279 sub cond_stack_endif ($$$)
6281 my ($negate, $cond, $where) = @_;
6286 error $where, "endif without if";
6290 # If $COND is given, check against it.
6293 $cond = make_conditional_string ($negate, $cond);
6295 error ($where, "endif reminder ($negate$cond) incompatible with "
6296 . "current conditional: $cond_stack[$#cond_stack]")
6297 if $cond_stack[$#cond_stack] ne $cond;
6302 return new Automake::Condition (@cond_stack);
6309 ## ------------------------ ##
6310 ## Handling the variables. ##
6311 ## ------------------------ ##
6314 # &define_pretty_variable ($VAR, $COND, $WHERE, @VALUE)
6315 # -----------------------------------------------------
6316 # Like define_variable, but the value is a list, and the variable may
6317 # be defined conditionally. The second argument is the condition
6318 # under which the value should be defined; this should be the empty
6319 # string to define the variable unconditionally. The third argument
6320 # is a list holding the values to use for the variable. The value is
6321 # pretty printed in the output file.
6322 sub define_pretty_variable ($$$@)
6324 my ($var, $cond, $where, @value) = @_;
6326 if (! vardef ($var, $cond))
6328 Automake::Variable::define ($var, VAR_AUTOMAKE, '', $cond, "@value",
6329 '', $where, VAR_PRETTY);
6330 rvar ($var)->rdef ($cond)->set_seen;
6335 # define_variable ($VAR, $VALUE, $WHERE)
6336 # --------------------------------------
6337 # Define a new Automake Makefile variable VAR to VALUE, but only if
6338 # not already defined.
6339 sub define_variable ($$$)
6341 my ($var, $value, $where) = @_;
6342 define_pretty_variable ($var, TRUE, $where, $value);
6346 # define_files_variable ($VAR, \@BASENAME, $EXTENSION, $WHERE)
6347 # ------------------------------------------------------------
6348 # Define the $VAR which content is the list of file names composed of
6349 # a @BASENAME and the $EXTENSION.
6350 sub define_files_variable ($\@$$)
6352 my ($var, $basename, $extension, $where) = @_;
6353 define_variable ($var,
6354 join (' ', map { "$_.$extension" } @$basename),
6359 # Like define_variable, but define a variable to be the configure
6360 # substitution by the same name.
6361 sub define_configure_variable ($)
6364 # Some variables we do not want to output. For instance it
6365 # would be a bad idea to output `U = @U@` when `@U@` can be
6366 # substituted as `\`.
6367 my $pretty = exists $ignored_configure_vars{$var} ? VAR_SILENT : VAR_ASIS;
6368 Automake::Variable::define ($var, VAR_CONFIGURE, '', TRUE, subst $var,
6369 '', $configure_vars{$var}, $pretty);
6373 # define_compiler_variable ($LANG)
6374 # --------------------------------
6375 # Define a compiler variable. We also handle defining the 'LT'
6376 # version of the command when using libtool.
6377 sub define_compiler_variable ($)
6381 my ($var, $value) = ($lang->compiler, $lang->compile);
6382 my $libtool_tag = '';
6383 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6384 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6385 &define_variable ($var, $value, INTERNAL);
6386 if (var ('LIBTOOL'))
6388 my $verbose = define_verbose_libtool ();
6389 &define_variable ("LT$var",
6390 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6391 . "\$(LIBTOOLFLAGS) --mode=compile $value",
6394 define_verbose_tagvar ($lang->ccer || 'GEN');
6398 # define_linker_variable ($LANG)
6399 # ------------------------------
6400 # Define linker variables.
6401 sub define_linker_variable ($)
6405 my $libtool_tag = '';
6406 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6407 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6409 &define_variable ($lang->lder, $lang->ld, INTERNAL);
6410 # CCLINK = $(CCLD) blah blah...
6412 if (var ('LIBTOOL'))
6414 my $verbose = define_verbose_libtool ();
6415 $link = "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6416 . "\$(LIBTOOLFLAGS) --mode=link ";
6418 &define_variable ($lang->linker, $link . $lang->link, INTERNAL);
6419 &define_variable ($lang->compiler, $lang);
6420 &define_verbose_tagvar ($lang->lder || 'GEN');
6423 sub define_per_target_linker_variable ($$)
6425 my ($linker, $target) = @_;
6427 # If the user wrote a custom link command, we don't define ours.
6428 return "${target}_LINK"
6429 if set_seen "${target}_LINK";
6431 my $xlink = $linker ? $linker : 'LINK';
6433 my $lang = $link_languages{$xlink};
6434 prog_error "Unknown language for linker variable '$xlink'"
6437 my $link_command = $lang->link;
6440 my $libtool_tag = '';
6441 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6442 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6444 my $verbose = define_verbose_libtool ();
6446 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) \$(LIBTOOLFLAGS) "
6447 . "--mode=link " . $link_command;
6450 # Rewrite each occurrence of 'AM_$flag' in the link
6451 # command into '${derived}_$flag' if it exists.
6452 my $orig_command = $link_command;
6453 my @flags = (@{$lang->flags}, 'LDFLAGS');
6454 push @flags, 'LIBTOOLFLAGS' if var 'LIBTOOL';
6455 for my $flag (@flags)
6457 my $val = "${target}_$flag";
6458 $link_command =~ s/\(AM_$flag\)/\($val\)/
6462 # If the computed command is the same as the generic command, use
6463 # the command linker variable.
6464 return ($lang->linker, $lang->lder)
6465 if $link_command eq $orig_command;
6467 &define_variable ("${target}_LINK", $link_command, INTERNAL);
6468 return ("${target}_LINK", $lang->lder);
6471 ################################################################
6473 # &check_trailing_slash ($WHERE, $LINE)
6474 # -------------------------------------
6475 # Return 1 iff $LINE ends with a slash.
6476 # Might modify $LINE.
6477 sub check_trailing_slash ($\$)
6479 my ($where, $line) = @_;
6481 # Ignore '##' lines.
6482 return 0 if $$line =~ /$IGNORE_PATTERN/o;
6484 # Catch and fix a common error.
6485 msg "syntax", $where, "whitespace following trailing backslash"
6486 if $$line =~ s/\\\s+\n$/\\\n/;
6488 return $$line =~ /\\$/;
6492 # &read_am_file ($AMFILE, $WHERE)
6493 # -------------------------------
6494 # Read Makefile.am and set up %contents. Simultaneously copy lines
6495 # from Makefile.am into $output_trailer, or define variables as
6496 # appropriate. NOTE we put rules in the trailer section. We want
6497 # user rules to come after our generated stuff.
6498 sub read_am_file ($$)
6500 my ($amfile, $where) = @_;
6502 my $am_file = new Automake::XFile ("< $amfile");
6503 verb "reading $amfile";
6505 # Keep track of the youngest output dependency.
6506 my $mtime = mtime $amfile;
6507 $output_deps_greatest_timestamp = $mtime
6508 if $mtime > $output_deps_greatest_timestamp;
6514 my $var_look = VAR_ASIS;
6516 use constant IN_VAR_DEF => 0;
6517 use constant IN_RULE_DEF => 1;
6518 use constant IN_COMMENT => 2;
6519 my $prev_state = IN_RULE_DEF;
6521 while ($_ = $am_file->getline)
6523 $where->set ("$amfile:$.");
6524 if (/$IGNORE_PATTERN/o)
6526 # Merely delete comments beginning with two hashes.
6528 elsif (/$WHITE_PATTERN/o)
6530 error $where, "blank line following trailing backslash"
6532 # Stick a single white line before the incoming macro or rule.
6535 # Flush all comments seen so far.
6538 $output_vars .= $comment;
6542 elsif (/$COMMENT_PATTERN/o)
6544 # Stick comments before the incoming macro or rule. Make
6545 # sure a blank line precedes the first block of comments.
6546 $spacing = "\n" unless $blank;
6548 $comment .= $spacing . $_;
6550 $prev_state = IN_COMMENT;
6556 $saw_bk = check_trailing_slash ($where, $_);
6559 # We save the conditional stack on entry, and then check to make
6560 # sure it is the same on exit. This lets us conditionally include
6562 my @saved_cond_stack = @cond_stack;
6563 my $cond = new Automake::Condition (@cond_stack);
6565 my $last_var_name = '';
6566 my $last_var_type = '';
6567 my $last_var_value = '';
6569 # FIXME: shouldn't use $_ in this loop; it is too big.
6572 $where->set ("$amfile:$.");
6574 # Make sure the line is \n-terminated.
6578 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6579 # used by users. @MAINT@ is an anachronism now.
6580 $_ =~ s/\@MAINT\@//g
6581 unless $seen_maint_mode;
6583 my $new_saw_bk = check_trailing_slash ($where, $_);
6585 if (/$IGNORE_PATTERN/o)
6587 # Merely delete comments beginning with two hashes.
6589 # Keep any backslash from the previous line.
6590 $new_saw_bk = $saw_bk;
6592 elsif (/$WHITE_PATTERN/o)
6594 # Stick a single white line before the incoming macro or rule.
6596 error $where, "blank line following trailing backslash"
6599 elsif (/$COMMENT_PATTERN/o)
6601 error $where, "comment following trailing backslash"
6602 if $saw_bk && $prev_state != IN_COMMENT;
6604 # Stick comments before the incoming macro or rule.
6605 $comment .= $spacing . $_;
6607 $prev_state = IN_COMMENT;
6611 if ($prev_state == IN_RULE_DEF)
6613 my $cond = new Automake::Condition @cond_stack;
6614 $output_trailer .= $cond->subst_string;
6615 $output_trailer .= $_;
6617 elsif ($prev_state == IN_COMMENT)
6619 # If the line doesn't start with a '#', add it.
6620 # We do this because a continued comment like
6624 # is not portable. BSD make doesn't honor
6625 # escaped newlines in comments.
6627 $comment .= $spacing . $_;
6629 else # $prev_state == IN_VAR_DEF
6631 $last_var_value .= ' '
6632 unless $last_var_value =~ /\s$/;
6633 $last_var_value .= $_;
6637 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6638 $last_var_type, $cond,
6639 $last_var_value, $comment,
6640 $last_where, VAR_ASIS)
6642 $comment = $spacing = '';
6647 elsif (/$IF_PATTERN/o)
6649 $cond = cond_stack_if ($1, $2, $where);
6651 elsif (/$ELSE_PATTERN/o)
6653 $cond = cond_stack_else ($1, $2, $where);
6655 elsif (/$ENDIF_PATTERN/o)
6657 $cond = cond_stack_endif ($1, $2, $where);
6660 elsif (/$RULE_PATTERN/o)
6663 $prev_state = IN_RULE_DEF;
6665 # For now we have to output all definitions of user rules
6666 # and can't diagnose duplicates (see the comment in
6667 # Automake::Rule::define). So we go on and ignore the return value.
6668 Automake::Rule::define ($1, $amfile, RULE_USER, $cond, $where);
6670 check_variable_expansions ($_, $where);
6672 $output_trailer .= $comment . $spacing;
6673 my $cond = new Automake::Condition @cond_stack;
6674 $output_trailer .= $cond->subst_string;
6675 $output_trailer .= $_;
6676 $comment = $spacing = '';
6678 elsif (/$ASSIGNMENT_PATTERN/o)
6680 # Found a macro definition.
6681 $prev_state = IN_VAR_DEF;
6682 $last_var_name = $1;
6683 $last_var_type = $2;
6684 $last_var_value = $3;
6685 $last_where = $where->clone;
6686 if ($3 ne '' && substr ($3, -1) eq "\\")
6688 # We preserve the '\' because otherwise the long lines
6689 # that are generated will be truncated by broken
6691 $last_var_value = $3 . "\n";
6693 # Normally we try to output variable definitions in the
6694 # same format they were input. However, POSIX compliant
6695 # systems are not required to support lines longer than
6696 # 2048 bytes (most notably, some sed implementation are
6697 # limited to 4000 bytes, and sed is used by config.status
6698 # to rewrite Makefile.in into Makefile). Moreover nobody
6699 # would really write such long lines by hand since it is
6700 # hardly maintainable. So if a line is longer that 1000
6701 # bytes (an arbitrary limit), assume it has been
6702 # automatically generated by some tools, and flatten the
6703 # variable definition. Otherwise, keep the variable as it
6705 $var_look = VAR_PRETTY if length ($last_var_value) >= 1000;
6709 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6710 $last_var_type, $cond,
6711 $last_var_value, $comment,
6712 $last_where, $var_look)
6714 $comment = $spacing = '';
6715 $var_look = VAR_ASIS;
6718 elsif (/$INCLUDE_PATTERN/o)
6722 if ($path =~ s/^\$\(top_srcdir\)\///)
6724 push (@include_stack, "\$\(top_srcdir\)/$path");
6725 # Distribute any included file.
6727 # Always use the $(top_srcdir) prefix in DIST_COMMON,
6728 # otherwise OSF make will implicitly copy the included
6729 # file in the build tree during "make distdir" to satisfy
6731 # (subdircond2.test and subdircond3.test will fail.)
6732 push_dist_common ("\$\(top_srcdir\)/$path");
6736 $path =~ s/\$\(srcdir\)\///;
6737 push (@include_stack, "\$\(srcdir\)/$path");
6738 # Always use the $(srcdir) prefix in DIST_COMMON,
6739 # otherwise OSF make will implicitly copy the included
6740 # file in the build tree during "make distdir" to satisfy
6742 # (subdircond2.test and subdircond3.test will fail.)
6743 push_dist_common ("\$\(srcdir\)/$path");
6744 $path = $relative_dir . "/" . $path if $relative_dir ne '.';
6746 $where->push_context ("'$path' included from here");
6747 &read_am_file ($path, $where);
6748 $where->pop_context;
6752 # This isn't an error; it is probably a continued rule.
6753 # In fact, this is what we assume.
6754 $prev_state = IN_RULE_DEF;
6755 check_variable_expansions ($_, $where);
6756 $output_trailer .= $comment . $spacing;
6757 my $cond = new Automake::Condition @cond_stack;
6758 $output_trailer .= $cond->subst_string;
6759 $output_trailer .= $_;
6760 $comment = $spacing = '';
6761 error $where, "'#' comment at start of rule is unportable"
6762 if $_ =~ /^\t\s*\#/;
6765 $saw_bk = $new_saw_bk;
6766 $_ = $am_file->getline;
6769 $output_trailer .= $comment;
6771 error ($where, "trailing backslash on last line")
6774 error ($where, (@cond_stack ? "unterminated conditionals: @cond_stack"
6775 : "too many conditionals closed in include file"))
6776 if "@saved_cond_stack" ne "@cond_stack";
6780 # define_standard_variables ()
6781 # ----------------------------
6782 # A helper for read_main_am_file which initializes configure variables
6783 # and variables from header-vars.am.
6784 sub define_standard_variables
6786 my $saved_output_vars = $output_vars;
6787 my ($comments, undef, $rules) =
6788 file_contents_internal (1, "$libdir/am/header-vars.am",
6789 new Automake::Location);
6791 foreach my $var (sort keys %configure_vars)
6793 &define_configure_variable ($var);
6796 $output_vars .= $comments . $rules;
6799 # Read main am file.
6800 sub read_main_am_file
6804 # This supports the strange variable tricks we are about to play.
6805 prog_error ("variable defined before read_main_am_file\n" . variables_dump ())
6806 if (scalar (variables) > 0);
6808 # Generate copyright header for generated Makefile.in.
6809 # We do discard the output of predefined variables, handled below.
6810 $output_vars = ("# $in_file_name generated by automake "
6811 . $VERSION . " from $am_file_name.\n");
6812 $output_vars .= '# ' . subst ('configure_input') . "\n";
6813 $output_vars .= $gen_copyright;
6815 # We want to predefine as many variables as possible. This lets
6816 # the user set them with '+=' in Makefile.am.
6817 &define_standard_variables;
6819 # Read user file, which might override some of our values.
6820 &read_am_file ($amfile, new Automake::Location);
6825 ################################################################
6828 # &flatten ($STRING)
6829 # ------------------
6830 # Flatten the $STRING and return the result.
6844 # transform_token ($TOKEN, \%PAIRS, $KEY)
6845 # =======================================
6846 # Return the value associated to $KEY in %PAIRS, as used on $TOKEN
6847 # (which should be ?KEY? or any of the special %% requests)..
6848 sub transform_token ($$$)
6850 my ($token, $transform, $key) = @_;
6851 my $res = $transform->{$key};
6852 prog_error "Unknown key '$key' in '$token'" unless defined $res;
6857 # transform ($TOKEN, \%PAIRS)
6858 # ===========================
6859 # If ($TOKEN, $VAL) is in %PAIRS:
6860 # - replaces %KEY% with $VAL,
6861 # - enables/disables ?KEY? and ?!KEY?,
6862 # - replaces %?KEY% with TRUE or FALSE.
6863 # - replaces %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE% with
6864 # IFTRUE / IFFALSE, as appropriate.
6867 my ($token, $transform) = @_;
6870 # Must be before the following pattern to exclude the case
6871 # when there is neither IFTRUE nor IFFALSE.
6872 if ($token =~ /^%([\w\-]+)%$/)
6874 return transform_token ($token, $transform, $1);
6876 # %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE%.
6877 elsif ($token =~ /^%([\w\-]+)(?:\?([^?:%]+))?(?::([^?:%]+))?%$/)
6879 return transform_token ($token, $transform, $1) ? ($2 || '') : ($3 || '');
6882 elsif ($token =~ /^%\?([\w\-]+)%$/)
6884 return transform_token ($token, $transform, $1) ? 'TRUE' : 'FALSE';
6887 elsif ($token =~ /^ \? (!?) ([\w\-]+) \? $/x)
6889 my $neg = ($1 eq '!') ? 1 : 0;
6890 my $val = transform_token ($token, $transform, $2);
6891 return (!!$val == $neg) ? '##%' : '';
6895 prog_error "Unknown request format: $token";
6900 # preprocess_file ($MAKEFILE, [%TRANSFORM])
6901 # -----------------------------------------
6902 # Load a $MAKEFILE, apply the %TRANSFORM, and return the result.
6903 # No extra parsing of post-processing is done (i.e., recognition of
6904 # rules declaration or of make variables definitions).
6905 sub preprocess_file ($%)
6907 my ($file, %transform) = @_;
6909 # Complete %transform with global options.
6910 # Note that %transform goes last, so it overrides global options.
6911 %transform = ( 'MAINTAINER-MODE'
6912 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
6914 'XZ' => !! option 'dist-xz',
6915 'LZMA' => !! option 'dist-lzma',
6916 'LZIP' => !! option 'dist-lzip',
6917 'BZIP2' => !! option 'dist-bzip2',
6918 'COMPRESS' => !! option 'dist-tarZ',
6919 'GZIP' => ! option 'no-dist-gzip',
6920 'SHAR' => !! option 'dist-shar',
6921 'ZIP' => !! option 'dist-zip',
6923 'INSTALL-INFO' => ! option 'no-installinfo',
6924 'INSTALL-MAN' => ! option 'no-installman',
6925 'HAVE-MANS' => !! var ('MANS'),
6926 'CK-NEWS' => !! option 'check-news',
6928 'SUBDIRS' => !! var ('SUBDIRS'),
6929 'TOPDIR_P' => $relative_dir eq '.',
6931 'BUILD' => ($seen_canonical >= AC_CANONICAL_BUILD),
6932 'HOST' => ($seen_canonical >= AC_CANONICAL_HOST),
6933 'TARGET' => ($seen_canonical >= AC_CANONICAL_TARGET),
6935 'LIBTOOL' => !! var ('LIBTOOL'),
6939 if (! defined ($_ = $am_file_cache{$file}))
6941 verb "reading $file";
6942 # Swallow the whole file.
6943 my $fc_file = new Automake::XFile "< $file";
6944 my $saved_dollar_slash = $/;
6946 $_ = $fc_file->getline;
6947 $/ = $saved_dollar_slash;
6949 # Remove ##-comments.
6950 # Besides we don't need more than two consecutive new-lines.
6951 s/(?:$IGNORE_PATTERN|(?<=\n\n)\n+)//gom;
6952 # Remember the contents of the just-read file.
6953 $am_file_cache{$file} = $_;
6956 # Substitute Automake template tokens.
6957 s/(?: % \?? [\w\-]+ %
6958 | % [\w\-]+ (?:\?[^?:%]+)? (?::[^?:%]+)? %
6960 )/transform($&, \%transform)/gex;
6961 # transform() may have added some ##%-comments to strip.
6962 # (we use '##%' instead of '##' so we can distinguish ##%##%##% from
6963 # ####### and do not remove the latter.)
6964 s/^[ \t]*(?:##%)+.*\n//gm;
6971 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
6972 # ------------------------------------------
6973 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
6975 sub make_paragraphs ($%)
6977 my ($file, %transform) = @_;
6978 $transform{FIRST} = !$transformed_files{$file};
6979 $transformed_files{$file} = 1;
6981 my @lines = split /(?<!\\)\n/, preprocess_file ($file, %transform);
6984 while (defined ($_ = shift @lines))
6987 # If we are a rule, eat as long as we start with a tab.
6988 if (/$RULE_PATTERN/smo)
6990 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
6992 $paragraph .= "\n$_";
6994 unshift (@lines, $_);
6997 # If we are a comments, eat as much comments as you can.
6998 elsif (/$COMMENT_PATTERN/smo)
7000 while (defined ($_ = shift @lines)
7001 && $_ =~ /$COMMENT_PATTERN/smo)
7003 $paragraph .= "\n$_";
7005 unshift (@lines, $_);
7008 push @res, $paragraph;
7016 # ($COMMENT, $VARIABLES, $RULES)
7017 # &file_contents_internal ($IS_AM, $FILE, $WHERE, [%TRANSFORM])
7018 # -------------------------------------------------------------
7019 # Return contents of a file from $libdir/am, automatically skipping
7020 # macros or rules which are already known. $IS_AM iff the caller is
7021 # reading an Automake file (as opposed to the user's Makefile.am).
7022 sub file_contents_internal ($$$%)
7024 my ($is_am, $file, $where, %transform) = @_;
7026 $where->set ($file);
7028 my $result_vars = '';
7029 my $result_rules = '';
7033 # The following flags are used to track rules spanning across
7034 # multiple paragraphs.
7035 my $is_rule = 0; # 1 if we are processing a rule.
7036 my $discard_rule = 0; # 1 if the current rule should not be output.
7038 # We save the conditional stack on entry, and then check to make
7039 # sure it is the same on exit. This lets us conditionally include
7041 my @saved_cond_stack = @cond_stack;
7042 my $cond = new Automake::Condition (@cond_stack);
7044 foreach (make_paragraphs ($file, %transform))
7046 # FIXME: no line number available.
7047 $where->set ($file);
7050 error $where, "blank line following trailing backslash:\n$_"
7052 error $where, "comment following trailing backslash:\n$_"
7058 # Stick empty line before the incoming macro or rule.
7061 elsif (/$COMMENT_PATTERN/mso)
7064 # Stick comments before the incoming macro or rule.
7068 # Handle inclusion of other files.
7069 elsif (/$INCLUDE_PATTERN/o)
7073 my $file = ($is_am ? "$libdir/am/" : '') . $1;
7074 $where->push_context ("'$file' included from here");
7076 my ($com, $vars, $rules)
7077 = file_contents_internal ($is_am, $file, $where, %transform);
7078 $where->pop_context;
7080 $result_vars .= $vars;
7081 $result_rules .= $rules;
7085 # Handling the conditionals.
7086 elsif (/$IF_PATTERN/o)
7088 $cond = cond_stack_if ($1, $2, $file);
7090 elsif (/$ELSE_PATTERN/o)
7092 $cond = cond_stack_else ($1, $2, $file);
7094 elsif (/$ENDIF_PATTERN/o)
7096 $cond = cond_stack_endif ($1, $2, $file);
7100 elsif (/$RULE_PATTERN/mso)
7104 # Separate relationship from optional actions: the first
7105 # `new-line tab" not preceded by backslash (continuation
7108 /^(.*?)(?:(?<!\\)\n(\t.*))?$/s;
7109 my ($relationship, $actions) = ($1, $2 || '');
7111 # Separate targets from dependencies: the first colon.
7112 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
7113 my ($targets, $dependencies) = ($1, $2);
7114 # Remove the escaped new lines.
7115 # I don't know why, but I have to use a tmp $flat_deps.
7116 my $flat_deps = &flatten ($dependencies);
7117 my @deps = split (' ', $flat_deps);
7119 foreach (split (' ', $targets))
7121 # FIXME: 1. We are not robust to people defining several targets
7122 # at once, only some of them being in %dependencies. The
7123 # actions from the targets in %dependencies are usually generated
7124 # from the content of %actions, but if some targets in $targets
7125 # are not in %dependencies the ELSE branch will output
7126 # a rule for all $targets (i.e. the targets which are both
7127 # in %dependencies and $targets will have two rules).
7129 # FIXME: 2. The logic here is not able to output a
7130 # multi-paragraph rule several time (e.g. for each condition
7131 # it is defined for) because it only knows the first paragraph.
7133 # FIXME: 3. We are not robust to people defining a subset
7134 # of a previously defined "multiple-target" rule. E.g.
7135 # 'foo:' after 'foo bar:'.
7137 # Output only if not in FALSE.
7138 if (defined $dependencies{$_} && $cond != FALSE)
7140 &depend ($_, @deps);
7141 register_action ($_, $actions);
7145 # Free-lance dependency. Output the rule for all the
7146 # targets instead of one by one.
7147 my @undefined_conds =
7148 Automake::Rule::define ($targets, $file,
7149 $is_am ? RULE_AUTOMAKE : RULE_USER,
7151 for my $undefined_cond (@undefined_conds)
7153 my $condparagraph = $paragraph;
7154 $condparagraph =~ s/^/$undefined_cond->subst_string/gme;
7155 $result_rules .= "$spacing$comment$condparagraph\n";
7157 if (scalar @undefined_conds == 0)
7159 # Remember to discard next paragraphs
7160 # if they belong to this rule.
7161 # (but see also FIXME: #2 above.)
7164 $comment = $spacing = '';
7170 elsif (/$ASSIGNMENT_PATTERN/mso)
7172 my ($var, $type, $val) = ($1, $2, $3);
7173 error $where, "variable '$var' with trailing backslash"
7178 Automake::Variable::define ($var,
7179 $is_am ? VAR_AUTOMAKE : VAR_MAKEFILE,
7180 $type, $cond, $val, $comment, $where,
7184 $comment = $spacing = '';
7188 # This isn't an error; it is probably some tokens which
7189 # configure is supposed to replace, such as '@SET-MAKE@',
7190 # or some part of a rule cut by an if/endif.
7191 if (! $cond->false && ! ($is_rule && $discard_rule))
7193 s/^/$cond->subst_string/gme;
7194 $result_rules .= "$spacing$comment$_\n";
7196 $comment = $spacing = '';
7200 error ($where, @cond_stack ?
7201 "unterminated conditionals: @cond_stack" :
7202 "too many conditionals closed in include file")
7203 if "@saved_cond_stack" ne "@cond_stack";
7205 return ($comment, $result_vars, $result_rules);
7210 # &file_contents ($BASENAME, $WHERE, [%TRANSFORM])
7211 # ------------------------------------------------
7212 # Return contents of a file from $libdir/am, automatically skipping
7213 # macros or rules which are already known.
7214 sub file_contents ($$%)
7216 my ($basename, $where, %transform) = @_;
7217 my ($comments, $variables, $rules) =
7218 file_contents_internal (1, "$libdir/am/$basename.am", $where,
7220 return "$comments$variables$rules";
7225 # &am_primary_prefixes ($PRIMARY, $CAN_DIST, @PREFIXES)
7226 # -----------------------------------------------------
7227 # Find all variable prefixes that are used for install directories. A
7228 # prefix 'zar' qualifies iff:
7230 # * 'zardir' is a variable.
7231 # * 'zar_PRIMARY' is a variable.
7233 # As a side effect, it looks for misspellings. It is an error to have
7234 # a variable ending in a "reserved" suffix whose prefix is unknown, e.g.
7235 # "bni_PROGRAMS". However, unusual prefixes are allowed if a variable
7236 # of the same name (with "dir" appended) exists. For instance, if the
7237 # variable "zardir" is defined, then "zar_PROGRAMS" becomes valid.
7238 # This is to provide a little extra flexibility in those cases which
7240 sub am_primary_prefixes ($$@)
7242 my ($primary, $can_dist, @prefixes) = @_;
7245 my %valid = map { $_ => 0 } @prefixes;
7246 $valid{'EXTRA'} = 0;
7247 foreach my $var (variables $primary)
7249 # Automake is allowed to define variables that look like primaries
7250 # but which aren't. E.g. INSTALL_sh_DATA.
7251 # Autoconf can also define variables like INSTALL_DATA, so
7252 # ignore all configure variables (at least those which are not
7253 # redefined in Makefile.am).
7254 # FIXME: We should make sure that these variables are not
7255 # conditionally defined (or else adjust the condition below).
7256 my $def = $var->def (TRUE);
7257 next if $def && $def->owner != VAR_MAKEFILE;
7259 my $varname = $var->name;
7261 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_[[:alnum:]]+$/)
7263 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
7264 if ($dist ne '' && ! $can_dist)
7267 "invalid variable '$varname': 'dist' is forbidden");
7269 # Standard directories must be explicitly allowed.
7270 elsif (! defined $valid{$X} && exists $standard_prefix{$X})
7273 "'${X}dir' is not a legitimate directory " .
7276 # A not explicitly valid directory is allowed if Xdir is defined.
7277 elsif (! defined $valid{$X} &&
7278 $var->requires_variables ("'$varname' is used", "${X}dir"))
7280 # Nothing to do. Any error message has been output
7281 # by $var->requires_variables.
7285 # Ensure all extended prefixes are actually used.
7286 $valid{"$base$dist$X"} = 1;
7291 prog_error "unexpected variable name: $varname";
7295 # Return only those which are actually defined.
7296 return sort grep { var ($_ . '_' . $primary) } keys %valid;
7300 # Handle 'where_HOW' variable magic. Does all lookups, generates
7301 # install code, and possibly generates code to define the primary
7302 # variable. The first argument is the name of the .am file to munge,
7303 # the second argument is the primary variable (e.g. HEADERS), and all
7304 # subsequent arguments are possible installation locations.
7306 # Returns list of [$location, $value] pairs, where
7307 # $value's are the values in all where_HOW variable, and $location
7308 # there associated location (the place here their parent variables were
7311 # FIXME: this should be rewritten to be cleaner. It should be broken
7312 # up into multiple functions.
7314 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7321 my $default_dist = 0;
7324 if ($args[0] eq '-noextra')
7328 elsif ($args[0] eq '-candist')
7332 elsif ($args[0] eq '-defaultdist')
7337 elsif ($args[0] !~ /^-/)
7344 my ($file, $primary, @prefix) = @args;
7346 # Now that configure substitutions are allowed in where_HOW
7347 # variables, it is an error to actually define the primary. We
7348 # allow 'JAVA', as it is customarily used to mean the Java
7349 # interpreter. This is but one of several Java hacks. Similarly,
7350 # 'PYTHON' is customarily used to mean the Python interpreter.
7351 reject_var $primary, "'$primary' is an anachronism"
7352 unless $primary eq 'JAVA' || $primary eq 'PYTHON';
7354 # Get the prefixes which are valid and actually used.
7355 @prefix = am_primary_prefixes ($primary, $can_dist, @prefix);
7357 # If a primary includes a configure substitution, then the EXTRA_
7358 # form is required. Otherwise we can't properly do our job.
7364 foreach my $X (@prefix)
7366 my $nodir_name = $X;
7367 my $one_name = $X . '_' . $primary;
7368 my $one_var = var $one_name;
7370 my $strip_subdir = 1;
7371 # If subdir prefix should be preserved, do so.
7372 if ($nodir_name =~ /^nobase_/)
7375 $nodir_name =~ s/^nobase_//;
7378 # If files should be distributed, do so.
7382 $dist_p = (($default_dist && $nodir_name !~ /^nodist_/)
7383 || (! $default_dist && $nodir_name =~ /^dist_/));
7384 $nodir_name =~ s/^(dist|nodist)_//;
7388 # Use the location of the currently processed variable.
7389 # We are not processing a particular condition, so pick the first
7391 my $tmpcond = $one_var->conditions->one_cond;
7392 my $where = $one_var->rdef ($tmpcond)->location->clone;
7394 # Append actual contents of where_PRIMARY variable to
7395 # @result, skipping @substitutions@.
7396 foreach my $locvals ($one_var->value_as_list_recursive (location => 1))
7398 my ($loc, $value) = @$locvals;
7399 # Skip configure substitutions.
7400 if ($value =~ /^\@.*\@$/)
7402 if ($nodir_name eq 'EXTRA')
7405 "'$one_name' contains configure substitution, "
7408 # Check here to make sure variables defined in
7409 # configure.ac do not imply that EXTRA_PRIMARY
7411 elsif (! defined $configure_vars{$one_name})
7413 $require_extra = $one_name
7419 # Strip any $(EXEEXT) suffix the user might have added, or this
7420 # will confuse &handle_source_transform and &check_canonical_spelling.
7421 # We'll add $(EXEEXT) back later anyway.
7422 # Do it here rather than in handle_programs so the uniquifying at the
7423 # end of this function works.
7424 ${$locvals}[1] =~ s/\$\(EXEEXT\)$//
7425 if $primary eq 'PROGRAMS';
7427 push (@result, $locvals);
7430 # A blatant hack: we rewrite each _PROGRAMS primary to include
7432 append_exeext { 1 } $one_name
7433 if $primary eq 'PROGRAMS';
7434 # "EXTRA" shouldn't be used when generating clean targets,
7435 # all, or install targets. We used to warn if EXTRA_FOO was
7436 # defined uselessly, but this was annoying.
7438 if $nodir_name eq 'EXTRA';
7440 if ($nodir_name eq 'check')
7442 push (@check, '$(' . $one_name . ')');
7446 push (@used, '$(' . $one_name . ')');
7449 # Is this to be installed?
7450 my $install_p = $nodir_name ne 'noinst' && $nodir_name ne 'check';
7452 # If so, with install-exec? (or install-data?).
7453 my $exec_p = ($nodir_name =~ /$EXEC_DIR_PATTERN/o);
7455 my $check_options_p = $install_p && !! option 'std-options';
7457 # Use the location of the currently processed variable as context.
7458 $where->push_context ("while processing '$one_name'");
7460 # The variable containing all files to distribute.
7461 my $distvar = "\$($one_name)";
7462 $distvar = shadow_unconditionally ($one_name, $where)
7463 if ($dist_p && $one_var->has_conditional_contents);
7465 # Singular form of $PRIMARY.
7466 (my $one_primary = $primary) =~ s/S$//;
7467 $output_rules .= &file_contents ($file, $where,
7468 PRIMARY => $primary,
7469 ONE_PRIMARY => $one_primary,
7471 NDIR => $nodir_name,
7472 BASE => $strip_subdir,
7475 INSTALL => $install_p,
7477 DISTVAR => $distvar,
7478 'CK-OPTS' => $check_options_p);
7481 # The JAVA variable is used as the name of the Java interpreter.
7482 # The PYTHON variable is used as the name of the Python interpreter.
7483 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7486 define_pretty_variable ($primary, TRUE, INTERNAL, @used);
7487 $output_vars .= "\n";
7490 err_var ($require_extra,
7491 "'$require_extra' contains configure substitution,\n"
7492 . "but 'EXTRA_$primary' not defined")
7493 if ($require_extra && ! var ('EXTRA_' . $primary));
7495 # Push here because PRIMARY might be configure time determined.
7496 push (@all, '$(' . $primary . ')')
7497 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7499 # Make the result unique. This lets the user use conditionals in
7500 # a natural way, but still lets us program lazily -- we don't have
7501 # to worry about handling a particular object more than once.
7502 # We will keep only one location per object.
7504 for my $pair (@result)
7506 my ($loc, $val) = @$pair;
7507 $result{$val} = $loc;
7509 my @l = sort keys %result;
7510 return map { [$result{$_}->clone, $_] } @l;
7514 ################################################################
7516 # Each key in this hash is the name of a directory holding a
7517 # Makefile.in. These variables are local to 'is_make_dir'.
7519 my $make_dirs_set = 0;
7524 if (! $make_dirs_set)
7526 foreach my $iter (@configure_input_files)
7528 $make_dirs{dirname ($iter)} = 1;
7530 # We also want to notice Makefile.in's.
7531 foreach my $iter (@other_input_files)
7533 if ($iter =~ /Makefile\.in$/)
7535 $make_dirs{dirname ($iter)} = 1;
7540 return defined $make_dirs{$dir};
7543 ################################################################
7545 # Find the aux dir. This should match the algorithm used by
7546 # ./configure. (See the Autoconf documentation for for
7547 # AC_CONFIG_AUX_DIR.)
7548 sub locate_aux_dir ()
7550 if (! $config_aux_dir_set_in_configure_ac)
7552 # The default auxiliary directory is the first
7553 # of ., .., or ../.. that contains install-sh.
7554 # Assume . if install-sh doesn't exist yet.
7555 for my $dir (qw (. .. ../..))
7557 if (-f "$dir/install-sh")
7559 $config_aux_dir = $dir;
7563 $config_aux_dir = '.' unless $config_aux_dir;
7565 # Avoid unsightly '/.'s.
7566 $am_config_aux_dir =
7567 '$(top_srcdir)' . ($config_aux_dir eq '.' ? "" : "/$config_aux_dir");
7568 $am_config_aux_dir =~ s,/*$,,;
7572 # &push_required_file ($DIR, $FILE, $FULLFILE)
7573 # --------------------------------------------------
7574 # Push the given file onto DIST_COMMON.
7575 sub push_required_file
7577 my ($dir, $file, $fullfile) = @_;
7579 # If the file to be distributed is in the same directory of the
7580 # currently processed Makefile.am, then we want to distribute it
7581 # from this same Makefile.am.
7582 if ($dir eq $relative_dir)
7584 push_dist_common ($file);
7586 # This is needed to allow a construct in a non-top-level Makefile.am
7587 # to require a file in the build-aux directory (see at least the test
7588 # script 'test-driver-is-distributed.test'). This is related to the
7589 # automake bug#9546. Note that the use of $config_aux_dir instead
7590 # of $am_config_aux_dir here is deliberate and necessary.
7591 elsif ($dir eq $config_aux_dir)
7593 push_dist_common ("$am_config_aux_dir/$file");
7595 # FIXME: another spacial case, for AC_LIBOBJ/AC_LIBSOURCE support.
7596 # We probably need some refactoring of this function and its callers,
7597 # to have a more explicit and systematic handling of all the special
7598 # cases; but, since there are only two of them, this is low-priority
7600 elsif ($config_libobj_dir && $dir eq $config_libobj_dir)
7602 # Avoid unsightly '/.'s.
7603 my $am_config_libobj_dir =
7605 ($config_libobj_dir eq '.' ? "" : "/$config_libobj_dir");
7606 $am_config_libobj_dir =~ s|/*$||;
7607 push_dist_common ("$am_config_libobj_dir/$file");
7609 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7611 # If we are doing the topmost directory, and the file is in a
7612 # subdir which does not have a Makefile, then we distribute it
7615 # If a required file is above the source tree, it is important
7616 # to prefix it with '$(srcdir)' so that no VPATH search is
7617 # performed. Otherwise problems occur with Make implementations
7618 # that rewrite and simplify rules whose dependencies are found in a
7619 # VPATH location. Here is an example with OSF1/Tru64 Make.
7631 # Dependency '../a' was found in 'sub/../a', but this make
7632 # implementation simplified it as 'a'. (Note that the sub/
7633 # directory does not even exist.)
7635 # This kind of VPATH rewriting seems hard to cancel. The
7636 # distdir.am hack against VPATH rewriting works only when no
7637 # simplification is done, i.e., for dependencies which are in
7638 # subdirectories, not in enclosing directories. Hence, in
7639 # the latter case we use a full path to make sure no VPATH
7641 $fullfile = '$(srcdir)/' . $fullfile
7642 if $dir =~ m,^\.\.(?:$|/),;
7644 push_dist_common ($fullfile);
7648 prog_error "a Makefile in relative directory $relative_dir " .
7649 "can't add files in directory $dir to DIST_COMMON";
7654 # If a file name appears as a key in this hash, then it has already
7655 # been checked for. This allows us not to report the same error more
7657 my %required_file_not_found = ();
7659 # &required_file_check_or_copy ($WHERE, $DIRECTORY, $FILE)
7660 # --------------------------------------------------------
7661 # Verify that the file must exist in $DIRECTORY, or install it.
7662 sub required_file_check_or_copy ($$$)
7664 my ($where, $dir, $file) = @_;
7666 my $fullfile = "$dir/$file";
7668 my $dangling_sym = 0;
7670 if (-l $fullfile && ! -f $fullfile)
7674 elsif (dir_has_case_matching_file ($dir, $file))
7679 # '--force-missing' only has an effect if '--add-missing' is
7682 if $found_it && (! $add_missing || ! $force_missing);
7684 # If we've already looked for it, we're done. You might
7685 # wonder why we don't do this before searching for the
7686 # file. If we do that, then something like
7687 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
7691 return if defined $required_file_not_found{$fullfile};
7692 $required_file_not_found{$fullfile} = 1;
7694 if ($dangling_sym && $add_missing)
7703 # Only install missing files according to our desired
7705 my $message = "required file '$fullfile' not found";
7708 if (-f "$libdir/$file")
7712 # Install the missing file. Symlink if we
7713 # can, copy if we must. Note: delete the file
7714 # first, in case it is a dangling symlink.
7715 $message = "installing '$fullfile'";
7717 # The license file should not be volatile.
7718 if ($file eq "COPYING")
7720 $message .= " using GNU General Public License v3 file";
7721 $trailer2 = "\n Consider adding the COPYING file"
7722 . " to the version control system"
7723 . "\n for your code, to avoid questions"
7724 . " about which license your project uses";
7727 # Windows Perl will hang if we try to delete a
7728 # file that doesn't exist.
7729 unlink ($fullfile) if -f $fullfile;
7730 if ($symlink_exists && ! $copy_missing)
7732 if (! symlink ("$libdir/$file", $fullfile)
7736 $trailer = "; error while making link: $!";
7739 elsif (system ('cp', "$libdir/$file", $fullfile))
7742 $trailer = "\n error while copying";
7744 set_dir_cache_file ($dir, $file);
7749 $trailer = "\n 'automake --add-missing' can install '$file'"
7750 if -f "$libdir/$file";
7753 # If --force-missing was specified, and we have
7754 # actually found the file, then do nothing.
7756 if $found_it && $force_missing;
7758 # If we couldn't install the file, but it is a target in
7759 # the Makefile, don't print anything. This allows files
7760 # like README, AUTHORS, or THANKS to be generated.
7762 if !$suppress && rule $file;
7764 msg ($suppress ? 'note' : 'error', $where, "$message$trailer$trailer2");
7768 # &require_file_internal ($WHERE, $MYSTRICT, $DIRECTORY, $QUEUE, @FILES)
7769 # ----------------------------------------------------------------------
7770 # Verify that the file must exist in $DIRECTORY, or install it.
7771 # $MYSTRICT is the strictness level at which this file becomes required.
7772 # Worker threads may queue up the action to be serialized by the master,
7774 sub require_file_internal ($$$@)
7776 my ($where, $mystrict, $dir, $queue, @files) = @_;
7779 unless $strictness >= $mystrict;
7781 foreach my $file (@files)
7783 push_required_file ($dir, $file, "$dir/$file");
7786 queue_required_file_check_or_copy ($required_conf_file_queue,
7787 QUEUE_CONF_FILE, $relative_dir,
7788 $where, $mystrict, @files);
7792 required_file_check_or_copy ($where, $dir, $file);
7797 # &require_file ($WHERE, $MYSTRICT, @FILES)
7798 # -----------------------------------------
7799 sub require_file ($$@)
7801 my ($where, $mystrict, @files) = @_;
7802 require_file_internal ($where, $mystrict, $relative_dir, 0, @files);
7805 # &require_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7806 # -----------------------------------------------------------
7807 sub require_file_with_macro ($$$@)
7809 my ($cond, $macro, $mystrict, @files) = @_;
7810 $macro = rvar ($macro) unless ref $macro;
7811 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7814 # &require_libsource_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7815 # ----------------------------------------------------------------
7816 # Require an AC_LIBSOURCEd file. If AC_CONFIG_LIBOBJ_DIR was called, it
7817 # must be in that directory. Otherwise expect it in the current directory.
7818 sub require_libsource_with_macro ($$$@)
7820 my ($cond, $macro, $mystrict, @files) = @_;
7821 $macro = rvar ($macro) unless ref $macro;
7822 if ($config_libobj_dir)
7824 require_file_internal ($macro->rdef ($cond)->location, $mystrict,
7825 $config_libobj_dir, 0, @files);
7829 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7833 # &queue_required_file_check_or_copy ($QUEUE, $KEY, $DIR, $WHERE,
7834 # $MYSTRICT, @FILES)
7835 # ---------------------------------------------------------------
7836 sub queue_required_file_check_or_copy ($$$$@)
7838 my ($queue, $key, $dir, $where, $mystrict, @files) = @_;
7842 @serial_loc = (QUEUE_LOCATION, $where->serialize ());
7846 @serial_loc = (QUEUE_STRING, $where);
7848 $queue->enqueue ($key, $dir, @serial_loc, $mystrict, 0 + @files, @files);
7851 # &require_queued_file_check_or_copy ($QUEUE)
7852 # -------------------------------------------
7853 sub require_queued_file_check_or_copy ($)
7857 my $dir = $queue->dequeue ();
7858 my $loc_key = $queue->dequeue ();
7859 if ($loc_key eq QUEUE_LOCATION)
7861 $where = Automake::Location::deserialize ($queue);
7863 elsif ($loc_key eq QUEUE_STRING)
7865 $where = $queue->dequeue ();
7869 prog_error "unexpected key $loc_key";
7871 my $mystrict = $queue->dequeue ();
7872 my $nfiles = $queue->dequeue ();
7874 push @files, $queue->dequeue ()
7875 foreach (1 .. $nfiles);
7877 unless $strictness >= $mystrict;
7878 foreach my $file (@files)
7880 required_file_check_or_copy ($where, $config_aux_dir, $file);
7884 # &require_conf_file ($WHERE, $MYSTRICT, @FILES)
7885 # ----------------------------------------------
7886 # Looks in configuration path, as specified by AC_CONFIG_AUX_DIR.
7887 sub require_conf_file ($$@)
7889 my ($where, $mystrict, @files) = @_;
7890 my $queue = defined $required_conf_file_queue ? 1 : 0;
7891 require_file_internal ($where, $mystrict, $config_aux_dir,
7896 # &require_conf_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7897 # ----------------------------------------------------------------
7898 sub require_conf_file_with_macro ($$$@)
7900 my ($cond, $macro, $mystrict, @files) = @_;
7901 require_conf_file (rvar ($macro)->rdef ($cond)->location,
7905 ################################################################
7907 # &require_build_directory ($DIRECTORY)
7908 # -------------------------------------
7909 # Emit rules to create $DIRECTORY if needed, and return
7910 # the file that any target requiring this directory should be made
7912 # We don't want to emit the rule twice, and want to reuse it
7913 # for directories with equivalent names (e.g., 'foo/bar' and './foo//bar').
7914 sub require_build_directory ($)
7916 my $directory = shift;
7918 return $directory_map{$directory} if exists $directory_map{$directory};
7920 my $cdir = File::Spec->canonpath ($directory);
7922 if (exists $directory_map{$cdir})
7924 my $stamp = $directory_map{$cdir};
7925 $directory_map{$directory} = $stamp;
7929 my $dirstamp = "$cdir/\$(am__dirstamp)";
7931 $directory_map{$directory} = $dirstamp;
7932 $directory_map{$cdir} = $dirstamp;
7934 # Set a variable for the dirstamp basename.
7935 define_pretty_variable ('am__dirstamp', TRUE, INTERNAL,
7936 '$(am__leading_dot)dirstamp');
7938 # Directory must be removed by 'make distclean'.
7939 $clean_files{$dirstamp} = DIST_CLEAN;
7941 $output_rules .= ("$dirstamp:\n"
7942 . "\t\@\$(MKDIR_P) $directory\n"
7943 . "\t\@: > $dirstamp\n");
7948 # &require_build_directory_maybe ($FILE)
7949 # --------------------------------------
7950 # If $FILE lies in a subdirectory, emit a rule to create this
7951 # directory and return the file that $FILE should be made
7952 # dependent upon. Otherwise, just return the empty string.
7953 sub require_build_directory_maybe ($)
7956 my $directory = dirname ($file);
7958 if ($directory ne '.')
7960 return require_build_directory ($directory);
7968 ################################################################
7970 # Push a list of files onto dist_common.
7971 sub push_dist_common
7973 prog_error "push_dist_common run after handle_dist"
7974 if $handle_dist_run;
7975 Automake::Variable::define ('DIST_COMMON', VAR_AUTOMAKE, '+', TRUE, "@_",
7976 '', INTERNAL, VAR_PRETTY);
7980 ################################################################
7982 # generate_makefile ($MAKEFILE_AM, $MAKEFILE_IN)
7983 # ----------------------------------------------
7984 # Generate a Makefile.in given the name of the corresponding Makefile and
7985 # the name of the file output by config.status.
7986 sub generate_makefile ($$)
7988 my ($makefile_am, $makefile_in) = @_;
7990 # Reset all the Makefile.am related variables.
7991 initialize_per_input;
7993 # AUTOMAKE_OPTIONS can contains -W flags to disable or enable
7994 # warnings for this file. So hold any warning issued before
7995 # we have processed AUTOMAKE_OPTIONS.
7996 buffer_messages ('warning');
7998 # Name of input file ("Makefile.am") and output file
7999 # ("Makefile.in"). These have no directory components.
8000 $am_file_name = basename ($makefile_am);
8001 $in_file_name = basename ($makefile_in);
8003 # $OUTPUT is encoded. If it contains a ":" then the first element
8004 # is the real output file, and all remaining elements are input
8005 # files. We don't scan or otherwise deal with these input files,
8006 # other than to mark them as dependencies. See
8007 # &scan_autoconf_files for details.
8008 my ($makefile, @inputs) = split (/:/, $output_files{$makefile_in});
8010 $relative_dir = dirname ($makefile);
8011 $am_relative_dir = dirname ($makefile_am);
8012 $topsrcdir = backname ($relative_dir);
8014 read_main_am_file ($makefile_am);
8017 # Process buffered warnings.
8019 # Fatal error. Just return, so we can continue with next file.
8022 # Process buffered warnings.
8025 # There are a few install-related variables that you should not define.
8026 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
8031 my $def = $v->def (TRUE);
8032 prog_error "$var not defined in condition TRUE"
8034 reject_var $var, "'$var' should not be defined"
8035 if $def->owner != VAR_AUTOMAKE;
8039 # Catch some obsolete variables.
8040 msg_var ('obsolete', 'INCLUDES',
8041 "'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')")
8042 if var ('INCLUDES');
8044 # Must do this after reading .am file.
8045 define_variable ('subdir', $relative_dir, INTERNAL);
8047 # If DIST_SUBDIRS is defined, make sure SUBDIRS is, so that
8048 # recursive rules are enabled.
8049 define_pretty_variable ('SUBDIRS', TRUE, INTERNAL, '')
8050 if var 'DIST_SUBDIRS' && ! var 'SUBDIRS';
8052 # Check first, because we might modify some state.
8053 check_gnu_standards;
8054 check_gnits_standards;
8056 handle_configure ($makefile_am, $makefile_in, $makefile, @inputs);
8063 # These must be run after all the sources are scanned. They
8064 # use variables defined by &handle_libraries, &handle_ltlibraries,
8065 # or &handle_programs.
8070 # Variables used by distdir.am and tags.am.
8071 define_pretty_variable ('SOURCES', TRUE, INTERNAL, @sources);
8072 if (! option 'no-dist')
8074 define_pretty_variable ('DIST_SOURCES', TRUE, INTERNAL, @dist_sources);
8086 handle_minor_options;
8087 # Must come after handle_programs so that %known_programs is up-to-date.
8090 # This must come after most other rules.
8094 do_check_merge_target;
8095 handle_all ($makefile);
8098 if (var ('lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8100 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
8102 if (var ('nobase_lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8104 $output_rules .= "install-binPROGRAMS: install-nobase_libLTLIBRARIES\n\n";
8108 handle_clean ($makefile);
8109 handle_factored_dependencies;
8111 # Comes last, because all the above procedures may have
8112 # defined or overridden variables.
8113 $output_vars .= output_variables;
8117 if ($exit_code != 0)
8119 verb "not writing $makefile_in because of earlier errors";
8123 mkdir ($am_relative_dir, 0755) if ! -d $am_relative_dir;
8125 # We make sure that 'all:' is the first target.
8127 "$output_vars$output_all$output_header$output_rules$output_trailer";
8129 # Decide whether we must update the output file or not.
8130 # We have to update in the following situations.
8131 # * $force_generation is set.
8132 # * any of the output dependencies is younger than the output
8133 # * the contents of the output is different (this can happen
8134 # if the project has been populated with a file listed in
8135 # @common_files since the last run).
8136 # Output's dependencies are split in two sets:
8137 # * dependencies which are also configure dependencies
8138 # These do not change between each Makefile.am
8139 # * other dependencies, specific to the Makefile.am being processed
8140 # (such as the Makefile.am itself, or any Makefile fragment
8142 my $timestamp = mtime $makefile_in;
8143 if (! $force_generation
8144 && $configure_deps_greatest_timestamp < $timestamp
8145 && $output_deps_greatest_timestamp < $timestamp
8146 && $output eq contents ($makefile_in))
8148 verb "$makefile_in unchanged";
8149 # No need to update.
8153 if (-e $makefile_in)
8155 unlink ($makefile_in)
8156 or fatal "cannot remove $makefile_in: $!";
8159 my $gm_file = new Automake::XFile "> $makefile_in";
8160 verb "creating $makefile_in";
8161 print $gm_file $output;
8164 ################################################################
8169 ################################################################
8171 # Helper function for usage().
8172 sub print_autodist_files (@)
8174 my @lcomm = sort (&uniq (@_));
8177 format USAGE_FORMAT =
8178 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
8179 $four[0], $four[1], $four[2], $four[3]
8181 local $~ = "USAGE_FORMAT";
8184 my $rows = int(@lcomm / $cols);
8185 my $rest = @lcomm % $cols;
8196 for (my $y = 0; $y < $rows; $y++)
8198 @four = ("", "", "", "");
8199 for (my $x = 0; $x < $cols; $x++)
8201 last if $y + 1 == $rows && $x == $rest;
8203 my $idx = (($x > $rest)
8204 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
8208 $four[$x] = $lcomm[$idx];
8215 # Print usage information.
8218 print "Usage: $0 [OPTION]... [Makefile]...
8220 Generate Makefile.in for configure from Makefile.am.
8223 --help print this help, then exit
8224 --version print version number, then exit
8225 -v, --verbose verbosely list files processed
8226 --no-force only update Makefile.in's that are out of date
8227 -W, --warnings=CATEGORY report the warnings falling in CATEGORY
8229 Dependency tracking:
8230 -i, --ignore-deps disable dependency tracking code
8231 --include-deps enable dependency tracking code
8234 --foreign set strictness to foreign
8235 --gnits set strictness to gnits
8236 --gnu set strictness to gnu
8239 -a, --add-missing add missing standard files to package
8240 --libdir=DIR set directory storing library files
8241 --print-libdir print directory storing library files
8242 -c, --copy with -a, copy missing files (default is symlink)
8243 -f, --force-missing force update of standard files
8246 Automake::ChannelDefs::usage;
8248 print "\nFiles automatically distributed if found " .
8250 print_autodist_files @common_files;
8251 print "\nFiles automatically distributed if found " .
8252 "(under certain conditions):\n";
8253 print_autodist_files @common_sometimes;
8256 Report bugs to <@PACKAGE_BUGREPORT@>.
8257 GNU Automake home page: <@PACKAGE_URL@>.
8258 General help using GNU software: <http://www.gnu.org/gethelp/>.
8261 # --help always returns 0 per GNU standards.
8268 # Print version information
8272 automake (GNU $PACKAGE) $VERSION
8273 Copyright (C) $RELEASE_YEAR Free Software Foundation, Inc.
8274 License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>
8275 This is free software: you are free to change and redistribute it.
8276 There is NO WARRANTY, to the extent permitted by law.
8278 Written by Tom Tromey <tromey\@redhat.com>
8279 and Alexandre Duret-Lutz <adl\@gnu.org>.
8281 # --version always returns 0 per GNU standards.
8285 ################################################################
8287 # Parse command line.
8288 sub parse_arguments ()
8291 my $ignore_deps = 0;
8296 'version' => \&version,
8298 'libdir=s' => \$libdir,
8299 'print-libdir' => sub { print "$libdir\n"; exit 0; },
8300 'gnu' => sub { $strict = 'gnu'; },
8301 'gnits' => sub { $strict = 'gnits'; },
8302 'foreign' => sub { $strict = 'foreign'; },
8303 'include-deps' => sub { $ignore_deps = 0; },
8304 'i|ignore-deps' => sub { $ignore_deps = 1; },
8305 'no-force' => sub { $force_generation = 0; },
8306 'f|force-missing' => \$force_missing,
8307 'a|add-missing' => \$add_missing,
8308 'c|copy' => \$copy_missing,
8309 'v|verbose' => sub { setup_channel 'verb', silent => 0; },
8310 'W|warnings=s' => \@warnings,
8313 use Automake::Getopt ();
8314 Automake::Getopt::parse_options %cli_options;
8316 set_strictness ($strict);
8317 my $cli_where = new Automake::Location;
8318 set_global_option ('no-dependencies', $cli_where) if $ignore_deps;
8319 for my $warning (@warnings)
8321 &parse_warnings ('-W', $warning);
8324 return unless @ARGV;
8327 foreach my $arg (@ARGV)
8329 fatal ("empty argument\nTry '$0 --help' for more information")
8332 # Handle $local:$input syntax.
8333 my ($local, @rest) = split (/:/, $arg);
8334 @rest = ("$local.in",) unless @rest;
8335 my $input = locate_am @rest;
8338 push @input_files, $input;
8339 $output_files{$input} = join (':', ($local, @rest));
8343 error "no Automake input file found for '$arg'";
8347 fatal "no input file found among supplied arguments"
8348 if $errspec && ! @input_files;
8352 # handle_makefile ($MAKEFILE_IN)
8353 # ------------------------------
8354 # Deal with $MAKEFILE_IN.
8355 sub handle_makefile ($)
8358 ($am_file = $file) =~ s/\.in$//;
8359 if (! -f ($am_file . '.am'))
8361 error "'$am_file.am' does not exist";
8365 # Any warning setting now local to this Makefile.am.
8368 generate_makefile ($am_file . '.am', $file);
8370 # Back out any warning setting.
8375 # handle_makefiles_serial ()
8376 # --------------------------
8377 # Deal with all makefiles, without threads.
8378 sub handle_makefiles_serial ()
8380 foreach my $file (@input_files)
8382 handle_makefile ($file);
8386 # get_number_of_threads ()
8387 # ------------------------
8388 # Logic for deciding how many worker threads to use.
8389 sub get_number_of_threads
8391 my $nthreads = $ENV{'AUTOMAKE_JOBS'} || 0;
8394 unless $nthreads =~ /^[0-9]+$/;
8396 # It doesn't make sense to use more threads than makefiles,
8397 my $max_threads = @input_files;
8399 if ($nthreads > $max_threads)
8401 $nthreads = $max_threads;
8406 # handle_makefiles_threaded ($NTHREADS)
8407 # -------------------------------------
8408 # Deal with all makefiles, using threads. The general strategy is to
8409 # spawn NTHREADS worker threads, dispatch makefiles to them, and let the
8410 # worker threads push back everything that needs serialization:
8411 # * warning and (normal) error messages, for stable stderr output
8412 # order and content (avoiding duplicates, for example),
8413 # * races when installing aux files (and respective messages),
8414 # * races when collecting aux files for distribution.
8416 # The latter requires that the makefile that deals with the aux dir
8417 # files be handled last, done by the master thread.
8418 sub handle_makefiles_threaded ($)
8420 my ($nthreads) = @_;
8422 # The file queue distributes all makefiles, the message queues
8423 # collect all serializations needed for respective files.
8424 my $file_queue = Thread::Queue->new;
8426 foreach my $file (@input_files)
8428 $msg_queues{$file} = Thread::Queue->new;
8431 verb "spawning $nthreads worker threads";
8432 my @threads = (1 .. $nthreads);
8433 foreach my $t (@threads)
8435 $t = threads->new (sub
8437 while (my $file = $file_queue->dequeue)
8439 verb "handling $file";
8440 my $queue = $msg_queues{$file};
8441 setup_channel_queue ($queue, QUEUE_MESSAGE);
8442 $required_conf_file_queue = $queue;
8443 handle_makefile ($file);
8444 $queue->enqueue (undef);
8445 setup_channel_queue (undef, undef);
8446 $required_conf_file_queue = undef;
8452 # Queue all makefiles.
8453 verb "queuing " . @input_files . " input files";
8454 $file_queue->enqueue (@input_files, (undef) x @threads);
8456 # Collect and process serializations.
8457 foreach my $file (@input_files)
8459 verb "dequeuing messages for " . $file;
8460 reset_local_duplicates ();
8461 my $queue = $msg_queues{$file};
8462 while (my $key = $queue->dequeue)
8464 if ($key eq QUEUE_MESSAGE)
8466 pop_channel_queue ($queue);
8468 elsif ($key eq QUEUE_CONF_FILE)
8470 require_queued_file_check_or_copy ($queue);
8474 prog_error "unexpected key $key";
8479 foreach my $t (@threads)
8481 my @exit_thread = $t->join;
8482 $exit_code = $exit_thread[0]
8483 if ($exit_thread[0] > $exit_code);
8487 ################################################################
8489 # Parse the WARNINGS environment variable.
8492 # Parse command line.
8495 $configure_ac = require_configure_ac;
8497 # Do configure.ac scan only once.
8498 scan_autoconf_files;
8503 $msg = "\nDid you forget AC_CONFIG_FILES([Makefile]) in $configure_ac?"
8504 if -f 'Makefile.am';
8505 fatal ("no 'Makefile.am' found for any configure output$msg");
8508 my $nthreads = get_number_of_threads ();
8510 if ($perl_threads && $nthreads >= 1)
8512 handle_makefiles_threaded ($nthreads);
8516 handle_makefiles_serial ();
8522 ### Setup "GNU" style for perl-mode and cperl-mode.
8524 ## perl-indent-level: 2
8525 ## perl-continued-statement-offset: 2
8526 ## perl-continued-brace-offset: 0
8527 ## perl-brace-offset: 0
8528 ## perl-brace-imaginary-offset: 0
8529 ## perl-label-offset: -2
8530 ## cperl-indent-level: 2
8531 ## cperl-brace-offset: 0
8532 ## cperl-continued-brace-offset: 0
8533 ## cperl-label-offset: -2
8534 ## cperl-extra-newline-before-brace: t
8535 ## cperl-merge-trailing-else: nil
8536 ## cperl-continued-statement-offset: 2