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) 1994-2013 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 @Automake::perl_libdirs = ('@datadir@/@PACKAGE@-@APIVERSION@')
33 unless @Automake::perl_libdirs;
34 unshift @INC, @Automake::perl_libdirs;
36 # Override SHELL. This is required on DJGPP so that system() uses
37 # bash, not COMMAND.COM which doesn't quote arguments properly.
38 # Other systems aren't expected to use $SHELL when Automake
39 # runs, but it should be safe to drop the "if DJGPP" guard if
40 # it turns up other systems need the same thing. After all,
41 # if SHELL is used, ./configure's SHELL is always better than
42 # the user's SHELL (which may be something like tcsh).
43 $ENV{'SHELL'} = '@SHELL@' if exists $ENV{'DJDIR'};
47 Class::Struct::struct (
48 # Short name of the language (c, f77...).
50 # Nice name of the language (C, Fortran 77...).
53 # List of configure variables which must be defined.
56 # 'pure' is '1' or ''. A 'pure' language is one where, if
57 # all the files in a directory are of that language, then we
58 # do not require the C compiler or any code to call it.
63 # Name of the compiling variable (COMPILE).
65 # Content of the compiling variable.
67 # Flag to require compilation without linking (-c).
68 'compile_flag' => "\$",
70 # A subroutine to compute a list of possible extensions of
71 # the product given the input extensions.
72 # (defaults to a subroutine which returns ('.$(OBJEXT)', '.lo'))
73 'output_extensions' => "\$",
74 # A list of flag variables used in 'compile'.
78 # Any tag to pass to libtool while compiling.
79 'libtool_tag' => "\$",
81 # The file to use when generating rules for this language.
82 # The default is 'depend2'.
85 # Name of the linking variable (LINK).
87 # Content of the linking variable.
90 # Name of the compiler variable (CC).
93 # Name of the linker variable (LD).
95 # Content of the linker variable ($(CC)).
98 # Flag to specify the output file (-o).
99 'output_flag' => "\$",
102 # This is a subroutine which is called whenever we finally
103 # determine the context in which a source file will be
105 '_target_hook' => "\$",
107 # If TRUE, nodist_ sources will be compiled using specific rules
108 # (i.e. not inference rules). The default is FALSE.
109 'nodist_specific' => "\$");
115 if (defined $self->_finish)
117 &{$self->_finish} (@_);
121 sub target_hook ($$$$%)
124 if (defined $self->_target_hook)
126 &{$self->_target_hook} (@_);
133 use Automake::Config;
140 require Thread::Queue;
141 import Thread::Queue;
144 use Automake::General;
146 use Automake::Channels;
147 use Automake::ChannelDefs;
148 use Automake::Configure_ac;
149 use Automake::FileUtils;
150 use Automake::Location;
151 use Automake::Condition qw/TRUE FALSE/;
152 use Automake::DisjConditions;
153 use Automake::Options;
154 use Automake::Variable;
155 use Automake::VarDef;
157 use Automake::RuleDef;
158 use Automake::Wrap 'makefile_wrap';
167 # Some regular expressions. One reason to put them here is that it
168 # makes indentation work better in Emacs.
170 # Writing singled-quoted-$-terminated regexes is a pain because
171 # perl-mode thinks of $' as the ${'} variable (instead of a $ followed
172 # by a closing quote. Letting perl-mode think the quote is not closed
173 # leads to all sort of misindentations. On the other hand, defining
174 # regexes as double-quoted strings is far less readable. So usually
177 # $REGEX = '^regex_value' . "\$";
179 my $IGNORE_PATTERN = '^\s*##([^#\n].*)?\n';
180 my $WHITE_PATTERN = '^\s*' . "\$";
181 my $COMMENT_PATTERN = '^#';
182 my $TARGET_PATTERN='[$a-zA-Z0-9_.@%][-.a-zA-Z0-9_(){}/$+@%]*';
183 # A rule has three parts: a list of targets, a list of dependencies,
184 # and optionally actions.
186 "^($TARGET_PATTERN(?:(?:\\\\\n|\\s)+$TARGET_PATTERN)*) *:([^=].*|)\$";
188 # Only recognize leading spaces, not leading tabs. If we recognize
189 # leading tabs here then we need to make the reader smarter, because
190 # otherwise it will think rules like 'foo=bar; \' are errors.
191 my $ASSIGNMENT_PATTERN = '^ *([^ \t=:+]*)\s*([:+]?)=\s*(.*)' . "\$";
192 # This pattern recognizes a Gnits version id and sets $1 if the
193 # release is an alpha release. We also allow a suffix which can be
194 # used to extend the version number with a "fork" identifier.
195 my $GNITS_VERSION_PATTERN = '\d+\.\d+([a-z]|\.\d+)?(-[A-Za-z0-9]+)?';
197 my $IF_PATTERN = '^if\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*)\s*(?:#.*)?' . "\$";
199 '^else(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
201 '^endif(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
202 my $PATH_PATTERN = '(\w|[+/.-])+';
203 # This will pass through anything not of the prescribed form.
204 my $INCLUDE_PATTERN = ('^include\s+'
205 . '((\$\(top_srcdir\)/' . $PATH_PATTERN . ')'
206 . '|(\$\(srcdir\)/' . $PATH_PATTERN . ')'
207 . '|([^/\$]' . $PATH_PATTERN . '))\s*(#.*)?' . "\$");
209 # Directories installed during 'install-exec' phase.
210 my $EXEC_DIR_PATTERN =
211 '^(?:bin|sbin|libexec|sysconf|localstate|lib|pkglib|.*exec.*)' . "\$";
213 # Values for AC_CANONICAL_*
214 use constant AC_CANONICAL_BUILD => 1;
215 use constant AC_CANONICAL_HOST => 2;
216 use constant AC_CANONICAL_TARGET => 3;
218 # Values indicating when something should be cleaned.
219 use constant MOSTLY_CLEAN => 0;
220 use constant CLEAN => 1;
221 use constant DIST_CLEAN => 2;
222 use constant MAINTAINER_CLEAN => 3;
225 my @libtool_files = qw(ltmain.sh config.guess config.sub);
226 # ltconfig appears here for compatibility with old versions of libtool.
227 my @libtool_sometimes = qw(ltconfig ltcf-c.sh ltcf-cxx.sh ltcf-gcj.sh);
229 # Commonly found files we look for and automatically include in
232 (qw(ABOUT-GNU ABOUT-NLS AUTHORS BACKLOG COPYING COPYING.DOC COPYING.LIB
233 COPYING.LESSER ChangeLog INSTALL NEWS README THANKS TODO
234 ar-lib compile config.guess config.rpath
235 config.sub depcomp install-sh libversion.in mdate-sh
236 missing mkinstalldirs py-compile texinfo.tex ylwrap),
237 @libtool_files, @libtool_sometimes);
239 # Commonly used files we auto-include, but only sometimes. This list
240 # is used for the --help output only.
241 my @common_sometimes =
242 qw(aclocal.m4 acconfig.h config.h.top config.h.bot configure
243 configure.ac configure.in stamp-vti);
245 # Standard directories from the GNU Coding Standards, and additional
246 # pkg* directories from Automake. Stored in a hash for fast member check.
247 my %standard_prefix =
248 map { $_ => 1 } (qw(bin data dataroot doc dvi exec html include info
249 lib libexec lisp locale localstate man man1 man2
250 man3 man4 man5 man6 man7 man8 man9 oldinclude pdf
251 pkgdata pkginclude pkglib pkglibexec ps sbin
252 sharedstate sysconf));
254 # Copyright on generated Makefile.ins.
255 my $gen_copyright = "\
256 # Copyright (C) 1994-$RELEASE_YEAR Free Software Foundation, Inc.
258 # This Makefile.in is free software; the Free Software Foundation
259 # gives unlimited permission to copy and/or distribute it,
260 # with or without modifications, as long as this notice is preserved.
262 # This program is distributed in the hope that it will be useful,
263 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
264 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
265 # PARTICULAR PURPOSE.
268 # These constants are returned by the lang_*_rewrite functions.
269 # LANG_SUBDIR means that the resulting object file should be in a
270 # subdir if the source file is. In this case the file name cannot
271 # have '..' components.
272 use constant LANG_IGNORE => 0;
273 use constant LANG_PROCESS => 1;
274 use constant LANG_SUBDIR => 2;
276 # These are used when keeping track of whether an object can be built
277 # by two different paths.
278 use constant COMPILE_LIBTOOL => 1;
279 use constant COMPILE_ORDINARY => 2;
281 # We can't always associate a location to a variable or a rule,
282 # when it's defined by Automake. We use INTERNAL in this case.
283 use constant INTERNAL => new Automake::Location;
285 # Serialization keys for message queues.
286 use constant QUEUE_MESSAGE => "msg";
287 use constant QUEUE_CONF_FILE => "conf file";
288 use constant QUEUE_LOCATION => "location";
289 use constant QUEUE_STRING => "string";
291 ## ---------------------------------- ##
292 ## Variables related to the options. ##
293 ## ---------------------------------- ##
295 # TRUE if we should always generate Makefile.in.
296 my $force_generation = 1;
298 # From the Perl manual.
299 my $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
301 # TRUE if missing standard files should be installed.
304 # TRUE if we should copy missing files; otherwise symlink if possible.
305 my $copy_missing = 0;
307 # TRUE if we should always update files that we know about.
308 my $force_missing = 0;
311 ## ---------------------------------------- ##
312 ## Variables filled during files scanning. ##
313 ## ---------------------------------------- ##
315 # Name of the configure.ac file.
318 # Files found by scanning configure.ac for LIBOBJS.
321 # Names used in AC_CONFIG_HEADERS call.
322 my @config_headers = ();
324 # Names used in AC_CONFIG_LINKS call.
325 my @config_links = ();
327 # List of Makefile.am's to process, and their corresponding outputs.
328 my @input_files = ();
329 my %output_files = ();
331 # Complete list of Makefile.am's that exist.
332 my @configure_input_files = ();
334 # List of files in AC_CONFIG_FILES/AC_OUTPUT without Makefile.am's,
336 my @other_input_files = ();
337 # Where each AC_CONFIG_FILES/AC_OUTPUT/AC_CONFIG_LINK/AC_CONFIG_HEADERS
338 # appears. The keys are the files created by these macros.
339 my %ac_config_files_location = ();
340 # The condition under which AC_CONFIG_FOOS appears.
341 my %ac_config_files_condition = ();
343 # Directory to search for configure-required files. This
344 # will be computed by &locate_aux_dir and can be set using
345 # AC_CONFIG_AUX_DIR in configure.ac.
346 # $CONFIG_AUX_DIR is the 'raw' directory, valid only in the source-tree.
347 my $config_aux_dir = '';
348 my $config_aux_dir_set_in_configure_ac = 0;
349 # $AM_CONFIG_AUX_DIR is prefixed with $(top_srcdir), so it can be used
351 my $am_config_aux_dir = '';
353 # Directory to search for AC_LIBSOURCE files, as set by AC_CONFIG_LIBOBJ_DIR
355 my $config_libobj_dir = '';
357 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
358 my $seen_gettext = 0;
359 # Whether AM_GNU_GETTEXT([external]) is used.
360 my $seen_gettext_external = 0;
361 # Where AM_GNU_GETTEXT appears.
362 my $ac_gettext_location;
363 # Whether AM_GNU_GETTEXT_INTL_SUBDIR has been seen.
364 my $seen_gettext_intl = 0;
366 # The arguments of the AM_EXTRA_RECURSIVE_TARGETS call (if any).
367 my @extra_recursive_targets = ();
369 # Lists of tags supported by Libtool.
370 my %libtool_tags = ();
371 # 1 if Libtool uses LT_SUPPORTED_TAG. If it does, then it also
372 # uses AC_REQUIRE_AUX_FILE.
373 my $libtool_new_api = 0;
375 # Most important AC_CANONICAL_* macro seen so far.
376 my $seen_canonical = 0;
378 # Where AM_MAINTAINER_MODE appears.
381 # Actual version we've seen.
382 my $package_version = '';
384 # Where version is defined.
385 my $package_version_location;
387 # TRUE if we've seen AM_PROG_AR
390 # TRUE if we've seen AM_PROG_CC_C_O
393 # Location of AC_REQUIRE_AUX_FILE calls, indexed by their argument.
394 my %required_aux_file = ();
396 # Where AM_INIT_AUTOMAKE is called;
397 my $seen_init_automake = 0;
399 # TRUE if we've seen AM_AUTOMAKE_VERSION.
400 my $seen_automake_version = 0;
402 # Hash table of discovered configure substitutions. Keys are names,
403 # values are 'FILE:LINE' strings which are used by error message
405 my %configure_vars = ();
407 # Ignored configure substitutions (i.e., variables not to be output in
409 my %ignored_configure_vars = ();
411 # Files included by $configure_ac.
412 my @configure_deps = ();
414 # Greatest timestamp of configure's dependencies.
415 my $configure_deps_greatest_timestamp = 0;
417 # Hash table of AM_CONDITIONAL variables seen in configure.
418 my %configure_cond = ();
420 # This maps extensions onto language names.
421 my %extension_map = ();
423 # List of the DIST_COMMON files we discovered while reading
425 my $configure_dist_common = '';
427 # This maps languages names onto objects.
429 # Maps each linker variable onto a language object.
430 my %link_languages = ();
432 # maps extensions to needed source flags.
433 my %sourceflags = ();
435 # List of targets we must always output.
436 # FIXME: Complete, and remove falsely required targets.
437 my %required_targets =
450 # FIXME: Not required, temporary hacks.
451 # Well, actually they are sort of required: the -recursive
452 # targets will run them anyway...
458 'install-data-am' => 1,
459 'install-exec-am' => 1,
460 'install-html-am' => 1,
461 'install-dvi-am' => 1,
462 'install-pdf-am' => 1,
463 'install-ps-am' => 1,
464 'install-info-am' => 1,
465 'installcheck-am' => 1,
469 'cscopelist-am' => 1,
473 # Queue to push require_conf_file requirements to.
474 my $required_conf_file_queue;
476 # The name of the Makefile currently being processed.
479 ################################################################
481 ## ------------------------------------------ ##
482 ## Variables reset by &initialize_per_input. ##
483 ## ------------------------------------------ ##
485 # Relative dir of the output makefile.
488 # Greatest timestamp of the output's dependencies (excluding
489 # configure's dependencies).
490 my $output_deps_greatest_timestamp;
492 # These variables are used when generating each Makefile.in.
493 # They hold the Makefile.in until it is ready to be printed.
500 # This is the conditional stack, updated on if/else/endif, and
501 # used to build Condition objects.
504 # This holds the set of included files.
507 # List of dependencies for the obvious targets.
512 # Keys in this hash table are files to delete. The associated
513 # value tells when this should happen (MOSTLY_CLEAN, DIST_CLEAN, etc.)
516 # Keys in this hash table are object files or other files in
517 # subdirectories which need to be removed. This only holds files
518 # which are created by compilations. The value in the hash indicates
519 # when the file should be removed.
520 my %compile_clean_files;
522 # Keys in this hash table are directories where we expect to build a
523 # libtool object. We use this information to decide what directories
525 my %libtool_clean_directories;
527 # Value of $(SOURCES), used by tags.am.
529 # Sources which go in the distribution.
532 # This hash maps object file names onto their corresponding source
533 # file names. This is used to ensure that each object is created
534 # by a single source file.
537 # This hash maps object file names onto an integer value representing
538 # whether this object has been built via ordinary compilation or
539 # libtool compilation (the COMPILE_* constants).
540 my %object_compilation_map;
543 # This keeps track of the directories for which we've already
544 # created dirstamp code. Keys are directories, values are stamp files.
545 # Several keys can share the same stamp files if they are equivalent
546 # (as are './/foo' and 'foo').
552 # This is a list of all targets to run during "make dist".
555 # Keep track of all programs declared in this Makefile, without
556 # $(EXEEXT). @substitutions@ are not listed.
560 # This keeps track of which extensions we've seen (that we care
564 # This is random scratch space for the language finish functions.
565 # Don't randomly overwrite it; examine other uses of keys first.
566 my %language_scratch;
568 # We keep track of which objects need special (per-executable)
569 # handling on a per-language basis.
570 my %lang_specific_files;
572 # This is set when 'handle_dist' has finished. Once this happens,
573 # we should no longer push on dist_common.
576 # Used to store a set of linkers needed to generate the sources currently
577 # under consideration.
580 # True if we need 'LINK' defined. This is a hack.
583 # Does the generated Makefile have to build some compiled object
584 # (for binary programs, or plain or libtool libraries)?
585 my $must_handle_compiled_objects;
587 # Record each file processed by make_paragraphs.
588 my %transformed_files;
590 ################################################################
592 ## ---------------------------------------------- ##
593 ## Variables not reset by &initialize_per_input. ##
594 ## ---------------------------------------------- ##
596 # Cache each file processed by make_paragraphs.
597 # (This is different from %transformed_files because
598 # %transformed_files is reset for each file while %am_file_cache
599 # it global to the run.)
602 ################################################################
604 # var_SUFFIXES_trigger ($TYPE, $VALUE)
605 # ------------------------------------
606 # This is called by Automake::Variable::define() when SUFFIXES
607 # is defined ($TYPE eq '') or appended ($TYPE eq '+').
608 # The work here needs to be performed as a side-effect of the
609 # macro_define() call because SUFFIXES definitions impact
610 # on $KNOWN_EXTENSIONS_PATTERN which is used used when parsing
612 sub var_SUFFIXES_trigger ($$)
614 my ($type, $value) = @_;
615 accept_extensions (split (' ', $value));
617 Automake::Variable::hook ('SUFFIXES', \&var_SUFFIXES_trigger);
619 ################################################################
621 ## --------------------------------- ##
622 ## Forward subroutine declarations. ##
623 ## --------------------------------- ##
624 sub register_language (%);
625 sub file_contents_internal ($$$%);
626 sub define_files_variable ($\@$$);
629 # &initialize_per_input ()
630 # ------------------------
631 # (Re)-Initialize per-Makefile.am variables.
632 sub initialize_per_input ()
634 reset_local_duplicates ();
636 $relative_dir = undef;
638 $output_deps_greatest_timestamp = 0;
644 $output_trailer = '';
646 Automake::Options::reset;
647 Automake::Variable::reset;
648 Automake::Rule::reset;
659 %compile_clean_files = ();
661 # We always include '.'. This isn't strictly correct.
662 %libtool_clean_directories = ('.' => 1);
668 %object_compilation_map = ();
676 %known_programs = ();
677 %known_libraries= ();
679 %extension_seen = ();
681 %language_scratch = ();
683 %lang_specific_files = ();
685 $handle_dist_run = 0;
689 $must_handle_compiled_objects = 0;
691 %transformed_files = ();
695 ################################################################
697 # Initialize our list of languages that are internally supported.
700 register_language ('name' => 'c',
702 'config_vars' => ['CC'],
704 'flags' => ['CFLAGS', 'CPPFLAGS'],
706 'compiler' => 'COMPILE',
707 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
711 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
712 'compile_flag' => '-c',
713 'libtool_tag' => 'CC',
714 'extensions' => ['.c']);
717 register_language ('name' => 'cxx',
719 'config_vars' => ['CXX'],
720 'linker' => 'CXXLINK',
721 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
723 'flags' => ['CXXFLAGS', 'CPPFLAGS'],
724 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
726 'compiler' => 'CXXCOMPILE',
727 'compile_flag' => '-c',
728 'output_flag' => '-o',
729 'libtool_tag' => 'CXX',
733 'extensions' => ['.c++', '.cc', '.cpp', '.cxx', '.C']);
736 register_language ('name' => 'objc',
737 'Name' => 'Objective C',
738 'config_vars' => ['OBJC'],
739 'linker' => 'OBJCLINK',
740 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
742 'flags' => ['OBJCFLAGS', 'CPPFLAGS'],
743 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
745 'compiler' => 'OBJCCOMPILE',
746 'compile_flag' => '-c',
747 'output_flag' => '-o',
751 'extensions' => ['.m']);
754 register_language ('name' => 'objcxx',
755 'Name' => 'Objective C++',
756 'config_vars' => ['OBJCXX'],
757 'linker' => 'OBJCXXLINK',
758 'link' => '$(OBJCXXLD) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
759 'autodep' => 'OBJCXX',
760 'flags' => ['OBJCXXFLAGS', 'CPPFLAGS'],
761 'compile' => '$(OBJCXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS)',
763 'compiler' => 'OBJCXXCOMPILE',
764 'compile_flag' => '-c',
765 'output_flag' => '-o',
766 'lder' => 'OBJCXXLD',
769 'extensions' => ['.mm']);
771 # Unified Parallel C.
772 register_language ('name' => 'upc',
773 'Name' => 'Unified Parallel C',
774 'config_vars' => ['UPC'],
775 'linker' => 'UPCLINK',
776 'link' => '$(UPCLD) $(AM_UPCFLAGS) $(UPCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
778 'flags' => ['UPCFLAGS', 'CPPFLAGS'],
779 'compile' => '$(UPC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_UPCFLAGS) $(UPCFLAGS)',
781 'compiler' => 'UPCCOMPILE',
782 'compile_flag' => '-c',
783 'output_flag' => '-o',
787 'extensions' => ['.upc']);
790 register_language ('name' => 'header',
792 'extensions' => ['.h', '.H', '.hxx', '.h++', '.hh',
795 'output_extensions' => sub { return () },
797 '_finish' => sub { });
800 register_language ('name' => 'vala',
802 'config_vars' => ['VALAC'],
804 'compile' => '$(VALAC) $(AM_VALAFLAGS) $(VALAFLAGS)',
806 'compiler' => 'VALACOMPILE',
807 'extensions' => ['.vala'],
808 'output_extensions' => sub { (my $ext = $_[0]) =~ s/vala$/c/;
810 'rule_file' => 'vala',
811 '_finish' => \&lang_vala_finish,
812 '_target_hook' => \&lang_vala_target_hook,
813 'nodist_specific' => 1);
816 register_language ('name' => 'yacc',
818 'config_vars' => ['YACC'],
819 'flags' => ['YFLAGS'],
820 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
822 'compiler' => 'YACCCOMPILE',
823 'extensions' => ['.y'],
824 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
826 'rule_file' => 'yacc',
827 '_finish' => \&lang_yacc_finish,
828 '_target_hook' => \&lang_yacc_target_hook,
829 'nodist_specific' => 1);
830 register_language ('name' => 'yaccxx',
831 'Name' => 'Yacc (C++)',
832 'config_vars' => ['YACC'],
833 'rule_file' => 'yacc',
834 'flags' => ['YFLAGS'],
836 'compiler' => 'YACCCOMPILE',
837 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
838 'extensions' => ['.y++', '.yy', '.yxx', '.ypp'],
839 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
841 '_finish' => \&lang_yacc_finish,
842 '_target_hook' => \&lang_yacc_target_hook,
843 'nodist_specific' => 1);
846 register_language ('name' => 'lex',
848 'config_vars' => ['LEX'],
849 'rule_file' => 'lex',
850 'flags' => ['LFLAGS'],
851 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
853 'compiler' => 'LEXCOMPILE',
854 'extensions' => ['.l'],
855 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
857 '_finish' => \&lang_lex_finish,
858 '_target_hook' => \&lang_lex_target_hook,
859 'nodist_specific' => 1);
860 register_language ('name' => 'lexxx',
861 'Name' => 'Lex (C++)',
862 'config_vars' => ['LEX'],
863 'rule_file' => 'lex',
864 'flags' => ['LFLAGS'],
865 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
867 'compiler' => 'LEXCOMPILE',
868 'extensions' => ['.l++', '.ll', '.lxx', '.lpp'],
869 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
871 '_finish' => \&lang_lex_finish,
872 '_target_hook' => \&lang_lex_target_hook,
873 'nodist_specific' => 1);
876 register_language ('name' => 'asm',
877 'Name' => 'Assembler',
878 'config_vars' => ['CCAS', 'CCASFLAGS'],
880 'flags' => ['CCASFLAGS'],
881 # Users can set AM_CCASFLAGS to include DEFS, INCLUDES,
882 # or anything else required. They can also set CCAS.
883 # Or simply use Preprocessed Assembler.
884 'compile' => '$(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)',
886 'compiler' => 'CCASCOMPILE',
887 'compile_flag' => '-c',
888 'output_flag' => '-o',
889 'extensions' => ['.s']);
891 # Preprocessed Assembler.
892 register_language ('name' => 'cppasm',
893 'Name' => 'Preprocessed Assembler',
894 'config_vars' => ['CCAS', 'CCASFLAGS'],
897 'flags' => ['CCASFLAGS', 'CPPFLAGS'],
898 'compile' => '$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)',
900 'compiler' => 'CPPASCOMPILE',
901 'compile_flag' => '-c',
902 'output_flag' => '-o',
903 'extensions' => ['.S', '.sx']);
906 register_language ('name' => 'f77',
907 'Name' => 'Fortran 77',
908 'config_vars' => ['F77'],
909 'linker' => 'F77LINK',
910 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
911 'flags' => ['FFLAGS'],
912 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
914 'compiler' => 'F77COMPILE',
915 'compile_flag' => '-c',
916 'output_flag' => '-o',
917 'libtool_tag' => 'F77',
921 'extensions' => ['.f', '.for']);
924 register_language ('name' => 'fc',
926 'config_vars' => ['FC'],
927 'linker' => 'FCLINK',
928 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
929 'flags' => ['FCFLAGS'],
930 'compile' => '$(FC) $(AM_FCFLAGS) $(FCFLAGS)',
932 'compiler' => 'FCCOMPILE',
933 'compile_flag' => '-c',
934 'output_flag' => '-o',
935 'libtool_tag' => 'FC',
939 'extensions' => ['.f90', '.f95', '.f03', '.f08']);
941 # Preprocessed Fortran
942 register_language ('name' => 'ppfc',
943 'Name' => 'Preprocessed Fortran',
944 'config_vars' => ['FC'],
945 'linker' => 'FCLINK',
946 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
949 'flags' => ['FCFLAGS', 'CPPFLAGS'],
951 'compiler' => 'PPFCCOMPILE',
952 'compile' => '$(FC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FCFLAGS) $(FCFLAGS)',
953 'compile_flag' => '-c',
954 'output_flag' => '-o',
955 'libtool_tag' => 'FC',
957 'extensions' => ['.F90','.F95', '.F03', '.F08']);
959 # Preprocessed Fortran 77
961 # The current support for preprocessing Fortran 77 just involves
962 # passing "$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
963 # $(CPPFLAGS)" as additional flags to the Fortran 77 compiler, since
964 # this is how GNU Make does it; see the "GNU Make Manual, Edition 0.51
965 # for 'make' Version 3.76 Beta" (specifically, from info file
966 # '(make)Catalogue of Rules').
968 # A better approach would be to write an Autoconf test
969 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
970 # Fortran 77 compilers know how to do preprocessing. The Autoconf
971 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
972 # preprocessing capabilities, and then fall back on cpp (if cpp were
974 register_language ('name' => 'ppf77',
975 'Name' => 'Preprocessed Fortran 77',
976 'config_vars' => ['F77'],
977 'linker' => 'F77LINK',
978 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
981 'flags' => ['FFLAGS', 'CPPFLAGS'],
983 'compiler' => 'PPF77COMPILE',
984 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
985 'compile_flag' => '-c',
986 'output_flag' => '-o',
987 'libtool_tag' => 'F77',
989 'extensions' => ['.F']);
992 register_language ('name' => 'ratfor',
994 'config_vars' => ['F77'],
995 'linker' => 'F77LINK',
996 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
999 'flags' => ['RFLAGS', 'FFLAGS'],
1000 # FIXME also FFLAGS.
1001 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
1003 'compiler' => 'RCOMPILE',
1004 'compile_flag' => '-c',
1005 'output_flag' => '-o',
1006 'libtool_tag' => 'F77',
1008 'extensions' => ['.r']);
1011 register_language ('name' => 'java',
1013 'config_vars' => ['GCJ'],
1014 'linker' => 'GCJLINK',
1015 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1017 'flags' => ['GCJFLAGS'],
1018 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
1020 'compiler' => 'GCJCOMPILE',
1021 'compile_flag' => '-c',
1022 'output_flag' => '-o',
1023 'libtool_tag' => 'GCJ',
1027 'extensions' => ['.java', '.class', '.zip', '.jar']);
1029 ################################################################
1031 # Error reporting functions.
1033 # err_am ($MESSAGE, [%OPTIONS])
1034 # -----------------------------
1035 # Uncategorized errors about the current Makefile.am.
1038 msg_am ('error', @_);
1041 # err_ac ($MESSAGE, [%OPTIONS])
1042 # -----------------------------
1043 # Uncategorized errors about configure.ac.
1046 msg_ac ('error', @_);
1049 # msg_am ($CHANNEL, $MESSAGE, [%OPTIONS])
1050 # ---------------------------------------
1051 # Messages about about the current Makefile.am.
1054 my ($channel, $msg, %opts) = @_;
1055 msg $channel, "${am_file}.am", $msg, %opts;
1058 # msg_ac ($CHANNEL, $MESSAGE, [%OPTIONS])
1059 # ---------------------------------------
1060 # Messages about about configure.ac.
1063 my ($channel, $msg, %opts) = @_;
1064 msg $channel, $configure_ac, $msg, %opts;
1067 ################################################################
1071 # Return a configure-style substitution using the indicated text.
1072 # We do this to avoid having the substitutions directly in automake.in;
1073 # when we do that they are sometimes removed and this causes confusion
1078 return '@' . $text . '@';
1081 ################################################################
1085 # &backname ($RELDIR)
1086 # --------------------
1087 # If I "cd $RELDIR", then to come back, I should "cd $BACKPATH".
1088 # For instance 'src/foo' => '../..'.
1089 # Works with non strictly increasing paths, i.e., 'src/../lib' => '..'.
1094 foreach (split (/\//, $file))
1096 next if $_ eq '.' || $_ eq '';
1100 or prog_error ("trying to reverse path '$file' pointing outside tree");
1107 return join ('/', @res) || '.';
1110 ################################################################
1112 # Silent rules handling functions.
1114 # verbose_var (NAME)
1115 # ------------------
1116 # The public variable stem used to implement silent rules.
1120 return 'AM_V_' . $name;
1123 # verbose_private_var (NAME)
1124 # --------------------------
1125 # The naming policy for the private variables for silent rules.
1126 sub verbose_private_var ($)
1129 return 'am__v_' . $name;
1132 # define_verbose_var (NAME, VAL-IF-SILENT, [VAL-IF-VERBOSE])
1133 # ----------------------------------------------------------
1134 # For silent rules, setup VAR and dispatcher, to expand to
1135 # VAL-IF-SILENT if silent, to VAL-IF-VERBOSE (defaulting to
1137 sub define_verbose_var ($$;$)
1139 my ($name, $silent_val, $verbose_val) = @_;
1140 $verbose_val = '' unless defined $verbose_val;
1141 my $var = verbose_var ($name);
1142 my $pvar = verbose_private_var ($name);
1143 my $silent_var = $pvar . '_0';
1144 my $verbose_var = $pvar . '_1';
1145 # For typical 'make's, 'configure' replaces AM_V (inside @@) with $(V)
1146 # and AM_DEFAULT_V (inside @@) with $(AM_DEFAULT_VERBOSITY).
1147 # For strict POSIX 2008 'make's, it replaces them with 0 or 1 instead.
1148 # See AM_SILENT_RULES in m4/silent.m4.
1149 define_variable ($var, '$(' . $pvar . '_@'.'AM_V'.'@)', INTERNAL);
1150 define_variable ($pvar . '_', '$(' . $pvar . '_@'.'AM_DEFAULT_V'.'@)',
1152 Automake::Variable::define ($silent_var, VAR_AUTOMAKE, '', TRUE,
1153 $silent_val, '', INTERNAL, VAR_ASIS)
1154 if (! vardef ($silent_var, TRUE));
1155 Automake::Variable::define ($verbose_var, VAR_AUTOMAKE, '', TRUE,
1156 $verbose_val, '', INTERNAL, VAR_ASIS)
1157 if (! vardef ($verbose_var, TRUE));
1160 # Above should not be needed in the general automake code.
1162 # verbose_flag (NAME)
1163 # -------------------
1164 # Contents of %VERBOSE%: variable to expand before rule command.
1165 sub verbose_flag ($)
1168 return '$(' . verbose_var ($name) . ')';
1171 sub verbose_nodep_flag ($)
1174 return '$(' . verbose_var ($name) . subst ('am__nodep') . ')';
1179 # Contents of %SILENT%: variable to expand to '@' when silent.
1182 return verbose_flag ('at');
1185 # define_verbose_tagvar (NAME)
1186 # ----------------------------
1187 # Engage the needed silent rules machinery for tag NAME.
1188 sub define_verbose_tagvar ($)
1191 define_verbose_var ($name, '@echo " '. $name . ' ' x (8 - length ($name)) . '" $@;');
1194 # define_verbose_texinfo
1195 # ----------------------
1196 # Engage the needed silent rules machinery for assorted texinfo commands.
1197 sub define_verbose_texinfo ()
1199 my @tagvars = ('DVIPS', 'MAKEINFO', 'INFOHTML', 'TEXI2DVI', 'TEXI2PDF');
1200 foreach my $tag (@tagvars)
1202 define_verbose_tagvar($tag);
1204 define_verbose_var('texinfo', '-q');
1205 define_verbose_var('texidevnull', '> /dev/null');
1208 # define_verbose_libtool
1209 # ----------------------
1210 # Engage the needed silent rules machinery for 'libtool --silent'.
1211 sub define_verbose_libtool ()
1213 define_verbose_var ('lt', '--silent');
1214 return verbose_flag ('lt');
1217 sub handle_silent ()
1219 # Define "$(AM_V_P)", expanding to a shell conditional that can be
1220 # used in make recipes to determine whether we are being run in
1221 # silent mode or not. The choice of the name derives from the LISP
1222 # convention of appending the letter 'P' to denote a predicate (see
1223 # also "the '-P' convention" in the Jargon File); we do so for lack
1224 # of a better convention.
1225 define_verbose_var ('P', 'false', ':');
1226 # *Always* provide the user with '$(AM_V_GEN)', unconditionally.
1227 define_verbose_tagvar ('GEN');
1228 define_verbose_var ('at', '@');
1232 ################################################################
1235 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
1238 my $var = var ('AUTOMAKE_OPTIONS');
1241 if ($var->has_conditional_contents)
1243 msg_var ('unsupported', $var,
1244 "'AUTOMAKE_OPTIONS' cannot have conditional contents");
1246 my @options = map { { option => $_->[1], where => $_->[0] } }
1247 $var->value_as_list_recursive (cond_filter => TRUE,
1249 return 1 if process_option_list (@options);
1252 if ($strictness == GNITS)
1254 set_option ('readme-alpha', INTERNAL);
1255 set_option ('std-options', INTERNAL);
1256 set_option ('check-news', INTERNAL);
1262 # shadow_unconditionally ($varname, $where)
1263 # -----------------------------------------
1264 # Return a $(variable) that contains all possible values
1265 # $varname can take.
1266 # If the VAR wasn't defined conditionally, return $(VAR).
1267 # Otherwise we create an am__VAR_DIST variable which contains
1268 # all possible values, and return $(am__VAR_DIST).
1269 sub shadow_unconditionally ($$)
1271 my ($varname, $where) = @_;
1272 my $var = var $varname;
1273 if ($var->has_conditional_contents)
1275 $varname = "am__${varname}_DIST";
1276 my @files = uniq ($var->value_as_list_recursive);
1277 define_pretty_variable ($varname, TRUE, $where, @files);
1279 return "\$($varname)"
1282 # check_user_variables (@LIST)
1283 # ----------------------------
1284 # Make sure each variable VAR in @LIST does not exist, suggest using AM_VAR
1286 sub check_user_variables (@)
1288 my @dont_override = @_;
1289 foreach my $flag (@dont_override)
1291 my $var = var $flag;
1294 for my $cond ($var->conditions->conds)
1296 if ($var->rdef ($cond)->owner == VAR_MAKEFILE)
1298 msg_cond_var ('gnu', $cond, $flag,
1299 "'$flag' is a user variable, "
1300 . "you should not override it;\n"
1301 . "use 'AM_$flag' instead");
1308 # Call finish function for each language that was used.
1309 sub handle_languages
1311 if (! option 'no-dependencies')
1313 # Include auto-dep code. Don't include it if DEP_FILES would
1315 if (keys %extension_seen && keys %dep_files)
1317 # Set location of depcomp.
1318 &define_variable ('depcomp',
1319 "\$(SHELL) $am_config_aux_dir/depcomp",
1321 &define_variable ('am__depfiles_maybe', 'depfiles', INTERNAL);
1323 require_conf_file ("$am_file.am", FOREIGN, 'depcomp');
1325 my @deplist = sort keys %dep_files;
1326 # Generate each 'include' individually. Irix 6 make will
1327 # not properly include several files resulting from a
1328 # variable expansion; generating many separate includes
1330 $output_rules .= "\n";
1331 foreach my $iter (@deplist)
1333 $output_rules .= (subst ('AMDEP_TRUE')
1334 . subst ('am__include')
1336 . subst ('am__quote')
1338 . subst ('am__quote')
1342 # Compute the set of directories to remove in distclean-depend.
1343 my @depdirs = uniq (map { dirname ($_) } @deplist);
1344 $output_rules .= &file_contents ('depend',
1345 new Automake::Location,
1346 DEPDIRS => "@depdirs");
1351 &define_variable ('depcomp', '', INTERNAL);
1352 &define_variable ('am__depfiles_maybe', '', INTERNAL);
1357 # Is the C linker needed?
1359 foreach my $ext (sort keys %extension_seen)
1361 next unless $extension_map{$ext};
1363 my $lang = $languages{$extension_map{$ext}};
1365 my $rule_file = $lang->rule_file || 'depend2';
1367 # Get information on $LANG.
1368 my $pfx = $lang->autodep;
1369 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1371 my ($AMDEP, $FASTDEP) =
1372 (option 'no-dependencies' || $lang->autodep eq 'no')
1373 ? ('FALSE', 'FALSE') : ('AMDEP', "am__fastdep$fpfx");
1375 my $verbose = verbose_flag ($lang->ccer || 'GEN');
1376 my $verbose_nodep = ($AMDEP eq 'FALSE')
1377 ? $verbose : verbose_nodep_flag ($lang->ccer || 'GEN');
1378 my $silent = silent_flag ();
1380 my %transform = ('EXT' => $ext,
1384 'FASTDEP' => $FASTDEP,
1385 '-c' => $lang->compile_flag || '',
1386 # These are not used, but they need to be defined
1387 # so &transform do not complain.
1389 'DERIVED-EXT' => 'BUG',
1391 VERBOSE => $verbose,
1392 'VERBOSE-NODEP' => $verbose_nodep,
1396 # Generate the appropriate rules for this extension.
1397 if (((! option 'no-dependencies') && $lang->autodep ne 'no')
1398 || defined $lang->compile)
1400 # Some C compilers don't support -c -o. Use it only if really
1402 my $output_flag = $lang->output_flag || '';
1405 && $lang->name eq 'c'
1406 && option 'subdir-objects');
1408 # Compute a possible derived extension.
1409 # This is not used by depend2.am.
1410 my $der_ext = (&{$lang->output_extensions} ($ext))[0];
1412 # When we output an inference rule like '.c.o:' we
1413 # have two cases to consider: either subdir-objects
1414 # is used, or it is not.
1416 # In the latter case the rule is used to build objects
1417 # in the current directory, and dependencies always
1418 # go into './$(DEPDIR)/'. We can hard-code this value.
1420 # In the former case the rule can be used to build
1421 # objects in sub-directories too. Dependencies should
1422 # go into the appropriate sub-directories, e.g.,
1423 # 'sub/$(DEPDIR)/'. The value of this directory
1424 # needs to be computed on-the-fly.
1426 # DEPBASE holds the name of this directory, plus the
1427 # basename part of the object file (extensions Po, TPo,
1428 # Plo, TPlo will be added later as appropriate). It is
1429 # either hardcoded, or a shell variable ('$depbase') that
1430 # will be computed by the rule.
1432 option ('subdir-objects') ? '$$depbase' : '$(DEPDIR)/$*';
1434 file_contents ($rule_file,
1435 new Automake::Location,
1439 'DERIVED-EXT' => $der_ext,
1441 DEPBASE => $depbase,
1444 SOURCEFLAG => $sourceflags{$ext} || '',
1449 COMPILE => '$(' . $lang->compiler . ')',
1450 LTCOMPILE => '$(LT' . $lang->compiler . ')',
1452 SUBDIROBJ => !! option 'subdir-objects');
1455 # Now include code for each specially handled object with this
1457 my %seen_files = ();
1458 foreach my $file (@{$lang_specific_files{$lang->name}})
1460 my ($derived, $source, $obj, $myext, $srcext, %file_transform) = @$file;
1462 # We might see a given object twice, for instance if it is
1463 # used under different conditions.
1464 next if defined $seen_files{$obj};
1465 $seen_files{$obj} = 1;
1467 prog_error ("found " . $lang->name .
1468 " in handle_languages, but compiler not defined")
1469 unless defined $lang->compile;
1471 my $obj_compile = $lang->compile;
1473 # Rewrite each occurrence of 'AM_$flag' in the compile
1474 # rule into '${derived}_$flag' if it exists.
1475 for my $flag (@{$lang->flags})
1477 my $val = "${derived}_$flag";
1478 $obj_compile =~ s/\(AM_$flag\)/\($val\)/
1482 my $libtool_tag = '';
1483 if ($lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag})
1485 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
1488 my $ptltflags = "${derived}_LIBTOOLFLAGS";
1489 $ptltflags = 'AM_LIBTOOLFLAGS' unless set_seen $ptltflags;
1491 my $ltverbose = define_verbose_libtool ();
1493 "\$(LIBTOOL) $ltverbose $libtool_tag\$($ptltflags) \$(LIBTOOLFLAGS) "
1494 . "--mode=compile $obj_compile";
1496 # We _need_ '-o' for per object rules.
1497 my $output_flag = $lang->output_flag || '-o';
1499 my $depbase = dirname ($obj);
1503 unless $depbase eq '';
1504 $depbase .= '$(DEPDIR)/' . basename ($obj);
1507 file_contents ($rule_file,
1508 new Automake::Location,
1512 DEPBASE => $depbase,
1515 SOURCEFLAG => $sourceflags{$srcext} || '',
1516 # Use $myext and not '.o' here, in case
1517 # we are actually building a new source
1518 # file -- e.g. via yacc.
1519 OBJ => "$obj$myext",
1520 OBJOBJ => "$obj.obj",
1523 VERBOSE => $verbose,
1524 'VERBOSE-NODEP' => $verbose_nodep,
1526 COMPILE => $obj_compile,
1527 LTCOMPILE => $obj_ltcompile,
1532 # The rest of the loop is done once per language.
1533 next if defined $done{$lang};
1536 # Load the language dependent Makefile chunks.
1537 my %lang = map { uc ($_) => 0 } keys %languages;
1538 $lang{uc ($lang->name)} = 1;
1539 $output_rules .= file_contents ('lang-compile',
1540 new Automake::Location,
1543 # If the source to a program consists entirely of code from a
1544 # 'pure' language, for instance C++ or Fortran 77, then we
1545 # don't need the C compiler code. However if we run into
1546 # something unusual then we do generate the C code. There are
1547 # probably corner cases here that do not work properly.
1548 # People linking Java code to Fortran code deserve pain.
1549 $needs_c ||= ! $lang->pure;
1551 define_compiler_variable ($lang)
1552 if ($lang->compile);
1554 define_linker_variable ($lang)
1557 require_variables ("$am_file.am", $lang->Name . " source seen",
1558 TRUE, @{$lang->config_vars});
1560 # Call the finisher.
1563 # Flags listed in '->flags' are user variables (per GNU Standards),
1564 # they should not be overridden in the Makefile...
1565 my @dont_override = @{$lang->flags};
1566 # ... and so is LDFLAGS.
1567 push @dont_override, 'LDFLAGS' if $lang->link;
1569 check_user_variables @dont_override;
1572 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1573 # suffix rule was learned), don't bother with the C stuff. But if
1574 # anything else creeps in, then use it.
1575 my @languages_seen = map { $languages{$extension_map{$_}}->name }
1576 (keys %extension_seen);
1577 @languages_seen = uniq (@languages_seen);
1578 $needs_c = 1 if @languages_seen > 1;
1579 if ($need_link || $needs_c)
1581 &define_compiler_variable ($languages{'c'})
1582 unless defined $done{$languages{'c'}};
1583 define_linker_variable ($languages{'c'});
1588 # append_exeext { PREDICATE } $MACRO
1589 # ----------------------------------
1590 # Append $(EXEEXT) to each filename in $F appearing in the Makefile
1591 # variable $MACRO if &PREDICATE($F) is true. @substitutions@ are
1594 # This is typically used on all filenames of *_PROGRAMS, and filenames
1595 # of TESTS that are programs.
1596 sub append_exeext (&$)
1598 my ($pred, $macro) = @_;
1600 transform_variable_recursively
1601 ($macro, $macro, 'am__EXEEXT', 0, INTERNAL,
1603 my ($subvar, $val, $cond, $full_cond) = @_;
1604 # Append $(EXEEXT) unless the user did it already, or it's a
1607 if $val !~ /(?:\$\(EXEEXT\)$|^[@]\w+[@]$)/ && &$pred ($val);
1613 # Check to make sure a source defined in LIBOBJS is not explicitly
1614 # mentioned. This is a separate function (as opposed to being inlined
1615 # in handle_source_transform) because it isn't always appropriate to
1617 sub check_libobjs_sources
1619 my ($one_file, $unxformed) = @_;
1621 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1622 'dist_EXTRA_', 'nodist_EXTRA_')
1625 my $varname = $prefix . $one_file . '_SOURCES';
1626 my $var = var ($varname);
1629 @files = $var->value_as_list_recursive;
1631 elsif ($prefix eq '')
1633 @files = ($unxformed . '.c');
1640 foreach my $file (@files)
1642 err_var ($prefix . $one_file . '_SOURCES',
1643 "automatically discovered file '$file' should not" .
1644 " be explicitly mentioned")
1645 if defined $libsources{$file};
1652 # handle_single_transform ($VAR, $TOPPARENT, $DERIVED, $OBJ, $FILE, %TRANSFORM)
1653 # -----------------------------------------------------------------------------
1654 # Does much of the actual work for handle_source_transform.
1656 # $VAR is the name of the variable that the source filenames come from
1657 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1658 # $DERIVED is the name of resulting executable or library
1659 # $OBJ is the object extension (e.g., '.lo')
1660 # $FILE the source file to transform
1661 # %TRANSFORM contains extras arguments to pass to file_contents
1662 # when producing explicit rules
1663 # Result is a list of the names of objects
1664 # %linkers_used will be updated with any linkers needed
1665 sub handle_single_transform ($$$$$%)
1667 my ($var, $topparent, $derived, $obj, $_file, %transform) = @_;
1668 my @files = ($_file);
1671 # Turn sources into objects. We use a while loop like this
1672 # because we might add to @files in the loop.
1673 while (scalar @files > 0)
1677 # Configure substitutions in _SOURCES variables are errors.
1680 my $parent_msg = '';
1681 $parent_msg = "\nand is referred to from '$topparent'"
1682 if $topparent ne $var->name;
1684 "'" . $var->name . "' includes configure substitution '$_'"
1685 . $parent_msg . ";\nconfigure " .
1686 "substitutions are not allowed in _SOURCES variables");
1690 # If the source file is in a subdirectory then the '.o' is put
1691 # into the current directory, unless the subdir-objects option
1694 # Split file name into base and extension.
1695 next if ! /^(?:(.*)\/)?([^\/]*)($KNOWN_EXTENSIONS_PATTERN)$/;
1697 my $directory = $1 || '';
1701 # We must generate a rule for the object if it requires its own flags.
1703 my ($linker, $object);
1705 # This records whether we've seen a derived source file (e.g.
1707 my $derived_source = 0;
1709 # This holds the 'aggregate context' of the file we are
1710 # currently examining. If the file is compiled with
1711 # per-object flags, then it will be the name of the object.
1712 # Otherwise it will be 'AM'. This is used by the target hook
1713 # language function.
1714 my $aggregate = 'AM';
1716 $extension = &derive_suffix ($extension, $obj);
1718 if ($extension_map{$extension} &&
1719 ($lang = $languages{$extension_map{$extension}}))
1721 # Found the language, so see what it says.
1722 &saw_extension ($extension);
1724 # Do we have per-executable flags for this executable?
1725 my $have_per_exec_flags = 0;
1726 my @peflags = @{$lang->flags};
1727 push @peflags, 'LIBTOOLFLAGS' if $obj eq '.lo';
1728 foreach my $flag (@peflags)
1730 if (set_seen ("${derived}_$flag"))
1732 $have_per_exec_flags = 1;
1737 # Note: computed subr call. The language rewrite function
1738 # should return one of the LANG_* constants. It could
1739 # also return a list whose first value is such a constant
1740 # and whose second value is a new source extension which
1741 # should be applied. This means this particular language
1742 # generates another source file which we must then process
1744 my $subr = \&{'lang_' . $lang->name . '_rewrite'};
1745 defined &$subr or $subr = \&lang_sub_obj;
1746 my ($r, $source_extension)
1747 = &$subr ($directory, $base, $extension,
1748 $obj, $have_per_exec_flags, $var);
1749 # Skip this entry if we were asked not to process it.
1750 next if $r == LANG_IGNORE;
1752 # Now extract linker and other info.
1753 $linker = $lang->linker;
1756 if (defined $source_extension)
1758 $this_obj_ext = $source_extension;
1759 $derived_source = 1;
1763 $this_obj_ext = $obj;
1765 $object = $base . $this_obj_ext;
1767 if ($have_per_exec_flags)
1769 # We have a per-executable flag in effect for this
1770 # object. In this case we rewrite the object's
1771 # name to ensure it is unique.
1773 # We choose the name 'DERIVED_OBJECT' to ensure
1774 # (1) uniqueness, and (2) continuity between
1775 # invocations. However, this will result in a
1776 # name that is too long for losing systems, in
1777 # some situations. So we provide _SHORTNAME to
1780 my $dname = $derived;
1781 my $var = var ($derived . '_SHORTNAME');
1784 # FIXME: should use the same Condition as
1785 # the _SOURCES variable. But this is really
1786 # silly overkill -- nobody should have
1787 # conditional shortnames.
1788 $dname = $var->variable_value;
1790 $object = $dname . '-' . $object;
1792 prog_error ($lang->name . " flags defined without compiler")
1793 if ! defined $lang->compile;
1798 # If rewrite said it was ok, put the object into a
1800 if ($r == LANG_SUBDIR && $directory ne '')
1802 $object = $directory . '/' . $object;
1805 # If the object file has been renamed (because per-target
1806 # flags are used) we cannot compile the file with an
1807 # inference rule: we need an explicit rule.
1809 # If the source is in a subdirectory and the object is in
1810 # the current directory, we also need an explicit rule.
1812 # If both source and object files are in a subdirectory
1813 # (this happens when the subdir-objects option is used),
1814 # then the inference will work.
1816 # The latter case deserves a historical note. When the
1817 # subdir-objects option was added on 1999-04-11 it was
1818 # thought that inferences rules would work for
1819 # subdirectory objects too. Later, on 1999-11-22,
1820 # automake was changed to output explicit rules even for
1821 # subdir-objects. Nobody remembers why, but this occurred
1822 # soon after the merge of the user-dep-gen-branch so it
1823 # might be related. In late 2003 people complained about
1824 # the size of the generated Makefile.ins (libgcj, with
1825 # 2200+ subdir objects was reported to have a 9MB
1826 # Makefile), so we now rely on inference rules again.
1827 # Maybe we'll run across the same issue as in the past,
1828 # but at least this time we can document it. However since
1829 # dependency tracking has evolved it is possible that
1830 # our old problem no longer exists.
1831 # Using inference rules for subdir-objects has been tested
1832 # with GNU make, Solaris make, Ultrix make, BSD make,
1833 # HP-UX make, and OSF1 make successfully.
1835 || ($directory ne '' && ! option 'subdir-objects')
1836 # We must also use specific rules for a nodist_ source
1837 # if its language requests it.
1838 || ($lang->nodist_specific && ! $transform{'DIST_SOURCE'}))
1840 my $obj_sans_ext = substr ($object, 0,
1841 - length ($this_obj_ext));
1843 if ($directory ne '')
1845 $full_ansi = $directory . '/' . $base . $extension;
1849 $full_ansi = $base . $extension;
1852 my @specifics = ($full_ansi, $obj_sans_ext,
1853 # Only use $this_obj_ext in the derived
1854 # source case because in the other case we
1855 # *don't* want $(OBJEXT) to appear here.
1856 ($derived_source ? $this_obj_ext : '.o'),
1859 # If we renamed the object then we want to use the
1860 # per-executable flag name. But if this is simply a
1861 # subdir build then we still want to use the AM_ flag
1865 unshift @specifics, $derived;
1866 $aggregate = $derived;
1870 unshift @specifics, 'AM';
1873 # Each item on this list is a reference to a list consisting
1874 # of four values followed by additional transform flags for
1875 # file_contents. The four values are the derived flag prefix
1876 # (e.g. for 'foo_CFLAGS', it is 'foo'), the name of the
1877 # source file, the base name of the output file, and
1878 # the extension for the object file.
1879 push (@{$lang_specific_files{$lang->name}},
1880 [@specifics, %transform]);
1883 elsif ($extension eq $obj)
1885 # This is probably the result of a direct suffix rule.
1886 # In this case we just accept the rewrite.
1887 $object = "$base$extension";
1888 $object = "$directory/$object" if $directory ne '';
1893 # No error message here. Used to have one, but it was
1895 # FIXME: we could potentially do more processing here,
1896 # perhaps treating the new extension as though it were a
1897 # new source extension (as above). This would require
1898 # more restructuring than is appropriate right now.
1902 err_am "object '$object' created by '$full' and '$object_map{$object}'"
1903 if (defined $object_map{$object}
1904 && $object_map{$object} ne $full);
1906 my $comp_val = (($object =~ /\.lo$/)
1907 ? COMPILE_LIBTOOL : COMPILE_ORDINARY);
1908 (my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
1909 if (defined $object_compilation_map{$comp_obj}
1910 && $object_compilation_map{$comp_obj} != 0
1911 # Only see the error once.
1912 && ($object_compilation_map{$comp_obj}
1913 != (COMPILE_LIBTOOL | COMPILE_ORDINARY))
1914 && $object_compilation_map{$comp_obj} != $comp_val)
1916 err_am "object '$comp_obj' created both with libtool and without";
1918 $object_compilation_map{$comp_obj} |= $comp_val;
1922 # Let the language do some special magic if required.
1923 $lang->target_hook ($aggregate, $object, $full, %transform);
1926 if ($derived_source)
1928 prog_error ($lang->name . " has automatic dependency tracking")
1929 if $lang->autodep ne 'no';
1930 # Make sure this new source file is handled next. That will
1931 # make it appear to be at the right place in the list.
1932 unshift (@files, $object);
1933 # Distribute derived sources unless the source they are
1934 # derived from is not.
1935 &push_dist_common ($object)
1936 unless ($topparent =~ /^(?:nobase_)?nodist_/);
1940 $linkers_used{$linker} = 1;
1942 push (@result, $object);
1944 if (! defined $object_map{$object})
1947 $object_map{$object} = $full;
1949 # If resulting object is in subdir, we need to make
1950 # sure the subdir exists at build time.
1951 if ($object =~ /\//)
1953 # FIXME: check that $DIRECTORY is somewhere in the
1956 # For Java, the way we're handling it right now, a
1957 # '..' component doesn't make sense.
1958 if ($lang && $lang->name eq 'java' && $object =~ /(\/|^)\.\.\//)
1960 err_am "'$full' should not contain a '..' component";
1963 # Make sure *all* objects files in the subdirectory are
1964 # removed by "make mostlyclean". Not only this is more
1965 # efficient than listing the object files to be removed
1966 # individually (which would cause an 'rm' invocation for
1967 # each of them -- very inefficient, see bug#10697), it
1968 # would also leave stale object files in the subdirectory
1969 # whenever a source file there is removed or renamed.
1970 $compile_clean_files{"$directory/*.\$(OBJEXT)"} = MOSTLY_CLEAN;
1971 if ($object =~ /\.lo$/)
1973 # If we have a libtool object, then we also must remove
1974 # any '.lo' objects in its same subdirectory.
1975 $compile_clean_files{"$directory/*.lo"} = MOSTLY_CLEAN;
1976 # Remember to cleanup .libs/ in this directory.
1977 $libtool_clean_directories{$directory} = 1;
1980 push (@dep_list, require_build_directory ($directory));
1982 # If we're generating dependencies, we also want
1983 # to make sure that the appropriate subdir of the
1984 # .deps directory is created.
1986 require_build_directory ($directory . '/$(DEPDIR)'))
1987 unless option 'no-dependencies';
1990 &pretty_print_rule ($object . ':', "\t", @dep_list)
1991 if scalar @dep_list > 0;
1994 # Transform .o or $o file into .P file (for automatic
1996 # Properly flatten multiple adjacent slashes, as Solaris 10 make
1997 # might fail over them in an include statement.
1998 # Leading double slashes may be special, as per Posix, so deal
1999 # with them carefully.
2000 if ($lang && $lang->autodep ne 'no')
2002 my $depfile = $object;
2003 $depfile =~ s/\.([^.]*)$/.P$1/;
2004 $depfile =~ s/\$\(OBJEXT\)$/o/;
2005 my $maybe_extra_leading_slash = '';
2006 $maybe_extra_leading_slash = '/' if $depfile =~ m,^//[^/],;
2007 $depfile =~ s,/+,/,g;
2008 my $basename = basename ($depfile);
2009 # This might make $dirname empty, but we account for that below.
2010 (my $dirname = dirname ($depfile)) =~ s/\/*$//;
2011 $dirname = $maybe_extra_leading_slash . $dirname;
2012 $dep_files{$dirname . '/$(DEPDIR)/' . $basename} = 1;
2021 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
2022 # $OBJ, $PARENT, $TOPPARENT, $WHERE, %TRANSFORM)
2023 # ---------------------------------------------------------------------------
2024 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
2027 # $VAR is the name of the _SOURCES variable
2028 # $OBJVAR is the name of the _OBJECTS variable if known (otherwise
2029 # it will be generated and returned).
2030 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
2031 # work done to determine the linker will be).
2032 # $ONE_FILE is the canonical (transformed) name of object to build
2033 # $OBJ is the object extension (i.e. either '.o' or '.lo').
2034 # $TOPPARENT is the _SOURCES variable being processed.
2035 # $WHERE context into which this definition is done
2036 # %TRANSFORM extra arguments to pass to file_contents when producing
2039 # Result is a pair ($LINKER, $OBJVAR):
2040 # $LINKER is a boolean, true if a linker is needed to deal with the objects
2041 sub define_objects_from_sources ($$$$$$$%)
2043 my ($var, $objvar, $nodefine, $one_file,
2044 $obj, $topparent, $where, %transform) = @_;
2046 my $needlinker = "";
2048 transform_variable_recursively
2049 ($var, $objvar, 'am__objects', $nodefine, $where,
2050 # The transform code to run on each filename.
2052 my ($subvar, $val, $cond, $full_cond) = @_;
2053 my @trans = handle_single_transform ($subvar, $topparent,
2054 $one_file, $obj, $val,
2056 $needlinker = "true" if @trans;
2064 # handle_source_transform ($CANON_TARGET, $TARGET, $OBJEXT, $WHERE, %TRANSFORM)
2065 # -----------------------------------------------------------------------------
2066 # Handle SOURCE->OBJECT transform for one program or library.
2068 # canonical (transformed) name of target to build
2069 # actual target of object to build
2070 # object extension (i.e., either '.o' or '$o')
2071 # location of the source variable
2072 # extra arguments to pass to file_contents when producing rules
2073 # Return the name of the linker variable that must be used.
2074 # Empty return means just use 'LINK'.
2075 sub handle_source_transform ($$$$%)
2077 # one_file is canonical name. unxformed is given name. obj is
2079 my ($one_file, $unxformed, $obj, $where, %transform) = @_;
2083 # No point in continuing if _OBJECTS is defined.
2084 return if reject_var ($one_file . '_OBJECTS',
2085 $one_file . '_OBJECTS should not be defined');
2090 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
2091 'dist_EXTRA_', 'nodist_EXTRA_')
2093 my $varname = $prefix . $one_file . "_SOURCES";
2094 my $var = var $varname;
2097 # We are going to define _OBJECTS variables using the prefix.
2098 # Then we glom them all together. So we can't use the null
2099 # prefix here as we need it later.
2100 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
2102 # Keep track of which prefixes we saw.
2103 $used_pfx{$xpfx} = 1
2104 unless $prefix =~ /EXTRA_/;
2106 push @sources, "\$($varname)";
2107 push @dist_sources, shadow_unconditionally ($varname, $where)
2108 unless (option ('no-dist') || $prefix =~ /^nodist_/);
2111 define_objects_from_sources ($varname,
2112 $xpfx . $one_file . '_OBJECTS',
2113 $prefix =~ /EXTRA_/,
2114 $one_file, $obj, $varname, $where,
2115 DIST_SOURCE => ($prefix !~ /^nodist_/),
2120 $linker ||= &resolve_linker (%linkers_used);
2123 my @keys = sort keys %used_pfx;
2124 if (scalar @keys == 0)
2126 # The default source for libfoo.la is libfoo.c, but for
2127 # backward compatibility we first look at libfoo_la.c,
2128 # if no default source suffix is given.
2129 my $old_default_source = "$one_file.c";
2130 my $ext_var = var ('AM_DEFAULT_SOURCE_EXT');
2131 my $default_source_ext = $ext_var ? variable_value ($ext_var) : '.c';
2132 msg_var ('unsupported', $ext_var, $ext_var->name . " can assume at most one value")
2133 if $default_source_ext =~ /[\t ]/;
2134 (my $default_source = $unxformed) =~ s,(\.[^./\\]*)?$,$default_source_ext,;
2135 # TODO: Remove this backward-compatibility hack in Automake 2.0.
2136 if ($old_default_source ne $default_source
2138 && (rule $old_default_source
2139 || rule '$(srcdir)/' . $old_default_source
2140 || rule '${srcdir}/' . $old_default_source
2141 || -f $old_default_source))
2143 my $loc = $where->clone;
2145 msg ('obsolete', $loc,
2146 "the default source for '$unxformed' has been changed "
2147 . "to '$default_source'.\n(Using '$old_default_source' for "
2148 . "backward compatibility.)");
2149 $default_source = $old_default_source;
2151 # If a rule exists to build this source with a $(srcdir)
2152 # prefix, use that prefix in our variables too. This is for
2153 # the sake of BSD Make.
2154 if (rule '$(srcdir)/' . $default_source
2155 || rule '${srcdir}/' . $default_source)
2157 $default_source = '$(srcdir)/' . $default_source;
2160 &define_variable ($one_file . "_SOURCES", $default_source, $where);
2161 push (@sources, $default_source);
2162 push (@dist_sources, $default_source);
2166 handle_single_transform ($one_file . '_SOURCES',
2167 $one_file . '_SOURCES',
2169 $default_source, %transform);
2170 $linker ||= &resolve_linker (%linkers_used);
2171 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @result);
2175 @keys = map { '$(' . $_ . $one_file . '_OBJECTS)' } @keys;
2176 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @keys);
2179 # If we want to use 'LINK' we must make sure it is defined.
2189 # handle_lib_objects ($XNAME, $VAR)
2190 # ---------------------------------
2191 # Special-case ALLOCA and LIBOBJS substitutions in _LDADD or _LIBADD variables.
2192 # Also, generate _DEPENDENCIES variable if appropriate.
2194 # transformed name of object being built, or empty string if no object
2195 # name of _LDADD/_LIBADD-type variable to examine
2196 # Returns 1 if LIBOBJS seen, 0 otherwise.
2197 sub handle_lib_objects
2199 my ($xname, $varname) = @_;
2201 my $var = var ($varname);
2202 prog_error "'$varname' undefined"
2204 prog_error "unexpected variable name '$varname'"
2205 unless $varname =~ /^(.*)(?:LIB|LD)ADD$/;
2206 my $prefix = $1 || 'AM_';
2208 my $seen_libobjs = 0;
2211 transform_variable_recursively
2212 ($varname, $xname . '_DEPENDENCIES', 'am__DEPENDENCIES',
2214 # Transformation function, run on each filename.
2216 my ($subvar, $val, $cond, $full_cond) = @_;
2220 # Skip -lfoo and -Ldir silently; these are explicitly allowed.
2221 if ($val !~ /^-[lL]/ &&
2222 # Skip -dlopen and -dlpreopen; these are explicitly allowed
2223 # for Libtool libraries or programs. (Actually we are a bit
2224 # lax here since this code also applies to non-libtool
2225 # libraries or programs, for which -dlopen and -dlopreopen
2226 # are pure nonsense. Diagnosing this doesn't seem very
2227 # important: the developer will quickly get complaints from
2229 $val !~ /^-dl(?:pre)?open$/ &&
2230 # Only get this error once.
2234 # FIXME: should display a stack of nested variables
2235 # as context when $var != $subvar.
2236 err_var ($var, "linker flags such as '$val' belong in "
2237 . "'${prefix}LDFLAGS'");
2241 elsif ($val !~ /^\@.*\@$/)
2243 # Assume we have a file of some sort, and output it into the
2244 # dependency variable. Autoconf substitutions are not output;
2245 # rarely is a new dependency substituted into e.g. foo_LDADD
2246 # -- but bad things (e.g. -lX11) are routinely substituted.
2247 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
2248 # and handled specially below.
2251 elsif ($val =~ /^\@(LT)?LIBOBJS\@$/)
2253 handle_LIBOBJS ($subvar, $cond, $1);
2257 elsif ($val =~ /^\@(LT)?ALLOCA\@$/)
2259 handle_ALLOCA ($subvar, $cond, $1);
2268 return $seen_libobjs;
2271 # handle_LIBOBJS_or_ALLOCA ($VAR)
2272 # -------------------------------
2273 # Definitions common to LIBOBJS and ALLOCA.
2274 # VAR should be one of LIBOBJS, LTLIBOBJS, ALLOCA, or LTALLOCA.
2275 sub handle_LIBOBJS_or_ALLOCA ($)
2281 # If LIBOBJS files must be built in another directory we have
2282 # to define LIBOBJDIR and ensure the files get cleaned.
2283 # Otherwise LIBOBJDIR can be left undefined, and the cleaning
2284 # is achieved by 'rm -f *.$(OBJEXT)' in compile.am.
2285 if ($config_libobj_dir
2286 && $relative_dir ne $config_libobj_dir)
2288 if (option 'subdir-objects')
2290 # In the top-level Makefile we do not use $(top_builddir), because
2291 # we are already there, and since the targets are built without
2292 # a $(top_builddir), it helps BSD Make to match them with
2294 $dir = "$config_libobj_dir/"
2295 if $config_libobj_dir ne '.';
2296 $dir = backname ($relative_dir) . "/$dir"
2297 if $relative_dir ne '.';
2298 define_variable ('LIBOBJDIR', "$dir", INTERNAL);
2299 $clean_files{"\$($var)"} = MOSTLY_CLEAN;
2300 # If LTLIBOBJS is used, we must also clear LIBOBJS (which might
2301 # be created by libtool as a side-effect of creating LTLIBOBJS).
2302 $clean_files{"\$($var)"} = MOSTLY_CLEAN if $var =~ s/^LT//;
2306 error ("'\$($var)' cannot be used outside '$config_libobj_dir' if"
2307 . " 'subdir-objects' is not set");
2314 sub handle_LIBOBJS ($$$)
2316 my ($var, $cond, $lt) = @_;
2317 my $myobjext = $lt ? 'lo' : 'o';
2320 $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
2321 if ! keys %libsources;
2323 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}LIBOBJS";
2325 foreach my $iter (keys %libsources)
2327 if ($iter =~ /\.[cly]$/)
2329 &saw_extension ($&);
2330 &saw_extension ('.c');
2333 if ($iter =~ /\.h$/)
2335 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2337 elsif ($iter ne 'alloca.c')
2339 my $rewrite = $iter;
2340 $rewrite =~ s/\.c$/.P$myobjext/;
2341 $dep_files{$dir . '$(DEPDIR)/' . $rewrite} = 1;
2342 $rewrite = "^" . quotemeta ($iter) . "\$";
2343 # Only require the file if it is not a built source.
2344 my $bs = var ('BUILT_SOURCES');
2345 if (! $bs || ! grep (/$rewrite/, $bs->value_as_list_recursive))
2347 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2353 sub handle_ALLOCA ($$$)
2355 my ($var, $cond, $lt) = @_;
2356 my $myobjext = $lt ? 'lo' : 'o';
2358 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}ALLOCA";
2360 $var->requires_variables ("\@${lt}ALLOCA\@ used", $lt . 'ALLOCA');
2361 $dep_files{$dir . '$(DEPDIR)/alloca.P' . $myobjext} = 1;
2362 require_libsource_with_macro ($cond, $var, FOREIGN, 'alloca.c');
2363 &saw_extension ('.c');
2366 # Canonicalize the input parameter
2370 $string =~ tr/A-Za-z0-9_\@/_/c;
2374 # Canonicalize a name, and check to make sure the non-canonical name
2375 # is never used. Returns canonical name. Arguments are name and a
2376 # list of suffixes to check for.
2377 sub check_canonical_spelling
2379 my ($name, @suffixes) = @_;
2381 my $xname = &canonicalize ($name);
2382 if ($xname ne $name)
2384 foreach my $xt (@suffixes)
2386 reject_var ("$name$xt", "use '$xname$xt', not '$name$xt'");
2396 # Set up the compile suite.
2397 sub handle_compile ()
2399 return if ! $must_handle_compiled_objects;
2402 my $default_includes = '';
2403 if (! option 'nostdinc')
2405 my @incs = ('-I.', subst ('am__isrc'));
2407 my $var = var 'CONFIG_HEADER';
2410 foreach my $hdr (split (' ', $var->variable_value))
2412 push @incs, '-I' . dirname ($hdr);
2415 # We want '-I. -I$(srcdir)', but the latter -I is redundant
2416 # and unaesthetic in non-VPATH builds. We use `-I.@am__isrc@`
2417 # instead. It will be replaced by '-I.' or '-I. -I$(srcdir)'.
2418 # Items in CONFIG_HEADER are never in $(srcdir) so it is safe
2419 # to just put @am__isrc@ right after '-I.', without a space.
2420 ($default_includes = ' ' . uniq (@incs)) =~ s/ @/@/;
2423 my (@mostly_rms, @dist_rms);
2424 foreach my $item (sort keys %compile_clean_files)
2426 if ($compile_clean_files{$item} == MOSTLY_CLEAN)
2428 push (@mostly_rms, "\t-rm -f $item");
2430 elsif ($compile_clean_files{$item} == DIST_CLEAN)
2432 push (@dist_rms, "\t-rm -f $item");
2436 prog_error 'invalid entry in %compile_clean_files';
2440 my ($coms, $vars, $rules) =
2441 &file_contents_internal (1, "$libdir/am/compile.am",
2442 new Automake::Location,
2443 ('DEFAULT_INCLUDES' => $default_includes,
2444 'MOSTLYRMS' => join ("\n", @mostly_rms),
2445 'DISTRMS' => join ("\n", @dist_rms)));
2446 $output_vars .= $vars;
2447 $output_rules .= "$coms$rules";
2452 # Handle libtool rules.
2455 return unless var ('LIBTOOL');
2457 # Libtool requires some files, but only at top level.
2458 # (Starting with Libtool 2.0 we do not have to bother. These
2459 # requirements are done with AC_REQUIRE_AUX_FILE.)
2460 require_conf_file_with_macro (TRUE, 'LIBTOOL', FOREIGN, @libtool_files)
2461 if $relative_dir eq '.' && ! $libtool_new_api;
2464 foreach my $item (sort keys %libtool_clean_directories)
2466 my $dir = ($item eq '.') ? '' : "$item/";
2467 # .libs is for Unix, _libs for DOS.
2468 push (@libtool_rms, "\t-rm -rf ${dir}.libs ${dir}_libs");
2471 check_user_variables 'LIBTOOLFLAGS';
2473 # Output the libtool compilation rules.
2474 $output_rules .= &file_contents ('libtool',
2475 new Automake::Location,
2476 LTRMS => join ("\n", @libtool_rms));
2479 # handle_programs ()
2480 # ------------------
2481 # Handle C programs.
2484 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2485 'bin', 'sbin', 'libexec', 'pkglibexec',
2487 return if ! @proglist;
2488 $must_handle_compiled_objects = 1;
2490 my $seen_global_libobjs =
2491 var ('LDADD') && &handle_lib_objects ('', 'LDADD');
2493 foreach my $pair (@proglist)
2495 my ($where, $one_file) = @$pair;
2497 my $seen_libobjs = 0;
2498 my $obj = '.$(OBJEXT)';
2500 $known_programs{$one_file} = $where;
2502 # Canonicalize names and check for misspellings.
2503 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2504 '_SOURCES', '_OBJECTS',
2507 $where->push_context ("while processing program '$one_file'");
2508 $where->set (INTERNAL->get);
2510 my $linker = &handle_source_transform ($xname, $one_file, $obj, $where,
2511 NONLIBTOOL => 1, LIBTOOL => 0);
2513 if (var ($xname . "_LDADD"))
2515 $seen_libobjs = &handle_lib_objects ($xname, $xname . '_LDADD');
2519 # User didn't define prog_LDADD override. So do it.
2520 &define_variable ($xname . '_LDADD', '$(LDADD)', $where);
2522 # This does a bit too much work. But we need it to
2523 # generate _DEPENDENCIES when appropriate.
2526 $seen_libobjs = &handle_lib_objects ($xname, 'LDADD');
2530 reject_var ($xname . '_LIBADD',
2531 "use '${xname}_LDADD', not '${xname}_LIBADD'");
2533 set_seen ($xname . '_DEPENDENCIES');
2534 set_seen ('EXTRA_' . $xname . '_DEPENDENCIES');
2535 set_seen ($xname . '_LDFLAGS');
2537 # Determine program to use for link.
2538 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xname);
2539 $vlink = verbose_flag ($vlink || 'GEN');
2541 # If the resulting program lies in a subdirectory,
2542 # ensure that the directory exists before we need it.
2543 my $dirstamp = require_build_directory_maybe ($one_file);
2545 $libtool_clean_directories{dirname ($one_file)} = 1;
2547 $output_rules .= &file_contents ('program',
2549 PROGRAM => $one_file,
2553 DIRSTAMP => $dirstamp,
2554 EXEEXT => '$(EXEEXT)');
2556 if ($seen_libobjs || $seen_global_libobjs)
2558 if (var ($xname . '_LDADD'))
2560 &check_libobjs_sources ($xname, $xname . '_LDADD');
2562 elsif (var ('LDADD'))
2564 &check_libobjs_sources ($xname, 'LDADD');
2571 # handle_libraries ()
2572 # -------------------
2574 sub handle_libraries
2576 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2577 'lib', 'pkglib', 'noinst', 'check');
2578 return if ! @liblist;
2579 $must_handle_compiled_objects = 1;
2581 my @prefix = am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2586 my $var = rvar ($prefix[0] . '_LIBRARIES');
2587 $var->requires_variables ('library used', 'RANLIB');
2590 &define_variable ('AR', 'ar', INTERNAL);
2591 &define_variable ('ARFLAGS', 'cru', INTERNAL);
2592 &define_verbose_tagvar ('AR');
2594 foreach my $pair (@liblist)
2596 my ($where, $onelib) = @$pair;
2598 my $seen_libobjs = 0;
2599 # Check that the library fits the standard naming convention.
2600 my $bn = basename ($onelib);
2601 if ($bn !~ /^lib.*\.a$/)
2603 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.a/;
2604 my $suggestion = dirname ($onelib) . "/$bn";
2605 $suggestion =~ s|^\./||g;
2606 msg ('error-gnu/warn', $where,
2607 "'$onelib' is not a standard library name\n"
2608 . "did you mean '$suggestion'?")
2611 ($known_libraries{$onelib} = $bn) =~ s/\.a$//;
2613 $where->push_context ("while processing library '$onelib'");
2614 $where->set (INTERNAL->get);
2616 my $obj = '.$(OBJEXT)';
2618 # Canonicalize names and check for misspellings.
2619 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2620 '_OBJECTS', '_DEPENDENCIES',
2623 if (! var ($xlib . '_AR'))
2625 &define_variable ($xlib . '_AR', '$(AR) $(ARFLAGS)', $where);
2628 # Generate support for conditional object inclusion in
2630 if (var ($xlib . '_LIBADD'))
2632 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2639 &define_variable ($xlib . "_LIBADD", '', $where);
2642 reject_var ($xlib . '_LDADD',
2643 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2645 # Make sure we at look at this.
2646 set_seen ($xlib . '_DEPENDENCIES');
2647 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2649 &handle_source_transform ($xlib, $onelib, $obj, $where,
2650 NONLIBTOOL => 1, LIBTOOL => 0);
2652 # If the resulting library lies in a subdirectory,
2653 # make sure this directory will exist.
2654 my $dirstamp = require_build_directory_maybe ($onelib);
2655 my $verbose = verbose_flag ('AR');
2656 my $silent = silent_flag ();
2658 $output_rules .= &file_contents ('library',
2660 VERBOSE => $verbose,
2664 DIRSTAMP => $dirstamp);
2668 if (var ($xlib . '_LIBADD'))
2670 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2676 msg ('extra-portability', $where,
2677 "'$onelib': linking libraries using a non-POSIX\n"
2678 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2684 # handle_ltlibraries ()
2685 # ---------------------
2686 # Handle shared libraries.
2687 sub handle_ltlibraries
2689 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2690 'noinst', 'lib', 'pkglib', 'check');
2691 return if ! @liblist;
2692 $must_handle_compiled_objects = 1;
2694 my @prefix = am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2699 my $var = rvar ($prefix[0] . '_LTLIBRARIES');
2700 $var->requires_variables ('Libtool library used', 'LIBTOOL');
2704 my %instsubdirs = ();
2706 my %liblocations = (); # Location (in Makefile.am) of each library.
2708 foreach my $key (@prefix)
2710 # Get the installation directory of each library.
2712 my $strip_subdir = 1;
2713 if ($dir =~ /^nobase_/)
2715 $dir =~ s/^nobase_//;
2718 my $var = rvar ($key . '_LTLIBRARIES');
2720 # We reject libraries which are installed in several places
2721 # in the same condition, because we can only specify one
2723 $var->traverse_recursively
2726 my ($var, $val, $cond, $full_cond) = @_;
2727 my $hcond = $full_cond->human;
2728 my $where = $var->rdef ($cond)->location;
2730 $ldir = '/' . dirname ($val)
2731 if (!$strip_subdir);
2732 # A library cannot be installed in different directories
2733 # in overlapping conditions.
2734 if (exists $instconds{$val})
2737 $instconds{$val}->ambiguous_p ($val, $full_cond);
2741 error ($where, $msg, partial => 1);
2742 my $dirtxt = "installed " . ($strip_subdir ? "in" : "below") . " '$dir'";
2743 $dirtxt = "built for '$dir'"
2744 if $dir eq 'EXTRA' || $dir eq 'noinst' || $dir eq 'check';
2746 $full_cond->true ? "" : " in condition $hcond";
2748 error ($where, "'$val' should be $dirtxt$dircond ...",
2751 my $hacond = $acond->human;
2752 my $adir = $instdirs{$val}{$acond};
2753 my $adirtxt = "installed in '$adir'";
2754 $adirtxt = "built for '$adir'"
2755 if ($adir eq 'EXTRA' || $adir eq 'noinst'
2756 || $adir eq 'check');
2757 my $adircond = $acond->true ? "" : " in condition $hacond";
2759 my $onlyone = ($dir ne $adir) ?
2760 ("\nLibtool libraries can be built for only one "
2761 . "destination") : "";
2763 error ($liblocations{$val}{$acond},
2764 "... and should also be $adirtxt$adircond.$onlyone");
2770 $instconds{$val} = new Automake::DisjConditions;
2772 $instdirs{$val}{$full_cond} = $dir;
2773 $instsubdirs{$val}{$full_cond} = $ldir;
2774 $liblocations{$val}{$full_cond} = $where;
2775 $instconds{$val} = $instconds{$val}->merge ($full_cond);
2781 skip_ac_subst => 1);
2784 foreach my $pair (@liblist)
2786 my ($where, $onelib) = @$pair;
2788 my $seen_libobjs = 0;
2791 # Canonicalize names and check for misspellings.
2792 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2793 '_SOURCES', '_OBJECTS',
2796 # Check that the library fits the standard naming convention.
2797 my $libname_rx = '^lib.*\.la';
2798 my $ldvar = var ("${xlib}_LDFLAGS") || var ('AM_LDFLAGS');
2799 my $ldvar2 = var ('LDFLAGS');
2800 if (($ldvar && grep (/-module/, $ldvar->value_as_list_recursive))
2801 || ($ldvar2 && grep (/-module/, $ldvar2->value_as_list_recursive)))
2803 # Relax name checking for libtool modules.
2804 $libname_rx = '\.la';
2807 my $bn = basename ($onelib);
2808 if ($bn !~ /$libname_rx$/)
2810 my $type = 'library';
2811 if ($libname_rx eq '\.la')
2813 $bn =~ s/^(lib|)(.*?)(?:\.[^.]*)?$/$1$2.la/;
2818 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.la/;
2820 my $suggestion = dirname ($onelib) . "/$bn";
2821 $suggestion =~ s|^\./||g;
2822 msg ('error-gnu/warn', $where,
2823 "'$onelib' is not a standard libtool $type name\n"
2824 . "did you mean '$suggestion'?")
2827 ($known_libraries{$onelib} = $bn) =~ s/\.la$//;
2829 $where->push_context ("while processing Libtool library '$onelib'");
2830 $where->set (INTERNAL->get);
2832 # Make sure we look at these.
2833 set_seen ($xlib . '_LDFLAGS');
2834 set_seen ($xlib . '_DEPENDENCIES');
2835 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2837 # Generate support for conditional object inclusion in
2839 if (var ($xlib . '_LIBADD'))
2841 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2848 &define_variable ($xlib . "_LIBADD", '', $where);
2851 reject_var ("${xlib}_LDADD",
2852 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2855 my $linker = &handle_source_transform ($xlib, $onelib, $obj, $where,
2856 NONLIBTOOL => 0, LIBTOOL => 1);
2858 # Determine program to use for link.
2859 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xlib);
2860 $vlink = verbose_flag ($vlink || 'GEN');
2862 my $rpathvar = "am_${xlib}_rpath";
2863 my $rpath = "\$($rpathvar)";
2864 foreach my $rcond ($instconds{$onelib}->conds)
2867 if ($instdirs{$onelib}{$rcond} eq 'EXTRA'
2868 || $instdirs{$onelib}{$rcond} eq 'noinst'
2869 || $instdirs{$onelib}{$rcond} eq 'check')
2871 # It's an EXTRA_ library, so we can't specify -rpath,
2872 # because we don't know where the library will end up.
2873 # The user probably knows, but generally speaking automake
2874 # doesn't -- and in fact configure could decide
2875 # dynamically between two different locations.
2880 $val = ('-rpath $(' . $instdirs{$onelib}{$rcond} . 'dir)');
2881 $val .= $instsubdirs{$onelib}{$rcond}
2882 if defined $instsubdirs{$onelib}{$rcond};
2886 # If $rcond is true there is only one condition and
2887 # there is no point defining an helper variable.
2892 define_pretty_variable ($rpathvar, $rcond, INTERNAL, $val);
2896 # If the resulting library lies in a subdirectory,
2897 # make sure this directory will exist.
2898 my $dirstamp = require_build_directory_maybe ($onelib);
2900 # Remember to cleanup .libs/ in this directory.
2901 my $dirname = dirname $onelib;
2902 $libtool_clean_directories{$dirname} = 1;
2904 $output_rules .= &file_contents ('ltlibrary',
2906 LTLIBRARY => $onelib,
2907 XLTLIBRARY => $xlib,
2911 DIRSTAMP => $dirstamp);
2914 if (var ($xlib . '_LIBADD'))
2916 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2922 msg ('extra-portability', $where,
2923 "'$onelib': linking libtool libraries using a non-POSIX\n"
2924 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2929 # See if any _SOURCES variable were misspelled.
2932 # It is ok if the user sets this particular variable.
2933 set_seen 'AM_LDFLAGS';
2935 foreach my $primary ('SOURCES', 'LIBADD', 'LDADD', 'LDFLAGS', 'DEPENDENCIES')
2937 foreach my $var (variables $primary)
2939 my $varname = $var->name;
2940 # A configure variable is always legitimate.
2941 next if exists $configure_vars{$varname};
2943 for my $cond ($var->conditions->conds)
2945 $varname =~ /^(?:EXTRA_)?(?:nobase_)?(?:dist_|nodist_)?(.*)_[[:alnum:]]+$/;
2946 msg_var ('syntax', $var, "variable '$varname' is defined but no"
2947 . " program or\nlibrary has '$1' as canonical name"
2948 . " (possible typo)")
2949 unless $var->rdef ($cond)->seen;
2959 # NOTE we no longer automatically clean SCRIPTS, because it is
2960 # useful to sometimes distribute scripts verbatim. This happens
2961 # e.g. in Automake itself.
2962 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2963 'bin', 'sbin', 'libexec', 'pkglibexec', 'pkgdata',
2970 ## ------------------------ ##
2971 ## Handling Texinfo files. ##
2972 ## ------------------------ ##
2974 # ($OUTFILE, $VFILE)
2975 # &scan_texinfo_file ($FILENAME)
2976 # ------------------------------
2977 # $OUTFILE - name of the info file produced by $FILENAME.
2978 # $VFILE - name of the version.texi file used (undef if none).
2979 sub scan_texinfo_file ($)
2981 my ($filename) = @_;
2983 my $texi = new Automake::XFile "< $filename";
2984 verb "reading $filename";
2986 my ($outfile, $vfile);
2987 while ($_ = $texi->getline)
2989 if (/^\@setfilename +(\S+)/)
2991 # Honor only the first @setfilename. (It's possible to have
2992 # more occurrences later if the manual shows examples of how
2993 # to use @setfilename...)
2997 if (index ($outfile, '.') < 0)
2999 msg 'obsolete', "$filename:$.",
3000 "use of suffix-less info files is discouraged"
3002 elsif ($outfile !~ /\.info$/)
3004 error ("$filename:$.",
3005 "output '$outfile' has unrecognized extension");
3009 # A "version.texi" file is actually any file whose name matches
3011 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
3019 err_am "'$filename' missing \@setfilename";
3023 return ($outfile, $vfile);
3027 # ($DIRSTAMP, @CLEAN_FILES)
3028 # output_texinfo_build_rules ($SOURCE, $DEST, $INSRC, @DEPENDENCIES)
3029 # ------------------------------------------------------------------
3030 # SOURCE - the source Texinfo file
3031 # DEST - the destination Info file
3032 # INSRC - whether DEST should be built in the source tree
3033 # DEPENDENCIES - known dependencies
3034 sub output_texinfo_build_rules ($$$@)
3036 my ($source, $dest, $insrc, @deps) = @_;
3038 # Split 'a.texi' into 'a' and '.texi'.
3039 my ($spfx, $ssfx) = ($source =~ /^(.*?)(\.[^.]*)?$/);
3040 my ($dpfx, $dsfx) = ($dest =~ /^(.*?)(\.[^.]*)?$/);
3045 # We can output two kinds of rules: the "generic" rules use Make
3046 # suffix rules and are appropriate when $source and $dest do not lie
3047 # in a sub-directory; the "specific" rules are needed in the other
3050 # The former are output only once (this is not really apparent here,
3051 # but just remember that some logic deeper in Automake will not
3052 # output the same rule twice); while the later need to be output for
3053 # each Texinfo source.
3056 my $sdir = dirname $source;
3057 if ($sdir eq '.' && dirname ($dest) eq '.')
3060 $makeinfoflags = '-I $(srcdir)';
3065 $makeinfoflags = "-I $sdir -I \$(srcdir)/$sdir";
3068 # A directory can contain two kinds of info files: some built in the
3069 # source tree, and some built in the build tree. The rules are
3070 # different in each case. However we cannot output two different
3071 # set of generic rules. Because in-source builds are more usual, we
3072 # use generic rules in this case and fall back to "specific" rules
3073 # for build-dir builds. (It should not be a problem to invert this
3075 $generic = 0 unless $insrc;
3077 # We cannot use a suffix rule to build info files with an empty
3078 # extension. Otherwise we would output a single suffix inference
3079 # rule, with separate dependencies, as in
3083 # foo.info: foo.texi
3085 # which confuse Solaris make. (See the Autoconf manual for
3086 # details.) Therefore we use a specific rule in this case. This
3087 # applies to info files only (dvi and pdf files always have an
3089 my $generic_info = ($generic && $dsfx) ? 1 : 0;
3091 # If the resulting file lies in a subdirectory,
3092 # make sure this directory will exist.
3093 my $dirstamp = require_build_directory_maybe ($dest);
3095 my $dipfx = ($insrc ? '$(srcdir)/' : '') . $dpfx;
3097 $output_rules .= file_contents ('texibuild',
3098 new Automake::Location,
3099 AM_V_MAKEINFO => verbose_flag('MAKEINFO'),
3100 AM_V_TEXI2DVI => verbose_flag('TEXI2DVI'),
3101 AM_V_TEXI2PDF => verbose_flag('TEXI2PDF'),
3103 DEST_PREFIX => $dpfx,
3104 DEST_INFO_PREFIX => $dipfx,
3105 DEST_SUFFIX => $dsfx,
3106 DIRSTAMP => $dirstamp,
3107 GENERIC => $generic,
3108 GENERIC_INFO => $generic_info,
3110 MAKEINFOFLAGS => $makeinfoflags,
3111 SILENT => silent_flag(),
3114 SOURCE_INFO => ($generic_info
3116 SOURCE_REAL => $source,
3117 SOURCE_SUFFIX => $ssfx,
3118 TEXIQUIET => verbose_flag('texinfo'),
3119 TEXIDEVNULL => verbose_flag('texidevnull'),
3121 return ($dirstamp, "$dpfx.dvi", "$dpfx.pdf", "$dpfx.ps", "$dpfx.html");
3125 # ($MOSTLYCLEAN, $TEXICLEAN, $MAINTCLEAN)
3126 # handle_texinfo_helper ($info_texinfos)
3127 # --------------------------------------
3128 # Handle all Texinfo source; helper for handle_texinfo.
3129 sub handle_texinfo_helper ($)
3131 my ($info_texinfos) = @_;
3132 my (@infobase, @info_deps_list, @texi_deps);
3135 my (@mostly_cleans, @texi_cleans, @maint_cleans) = ('', '', '');
3137 # Build a regex matching user-cleaned files.
3138 my $d = var 'DISTCLEANFILES';
3139 my $c = var 'CLEANFILES';
3141 push @f, $d->value_as_list_recursive (inner_expand => 1) if $d;
3142 push @f, $c->value_as_list_recursive (inner_expand => 1) if $c;
3143 @f = map { s|[^A-Za-z_0-9*\[\]\-]|\\$&|g; s|\*|[^/]*|g; $_; } @f;
3144 my $user_cleaned_files = '^(?:' . join ('|', @f) . ')$';
3147 ($info_texinfos->value_as_list_recursive (inner_expand => 1))
3149 my $infobase = $texi;
3150 if ($infobase =~ s/\.texi$//)
3152 1; # Nothing more to do.
3154 elsif ($infobase =~ s/\.(txi|texinfo)$//)
3156 msg_var 'obsolete', $info_texinfos,
3157 "suffix '.$1' for Texinfo files is discouraged;" .
3158 " use '.texi' instead";
3162 # FIXME: report line number.
3163 err_am "texinfo file '$texi' has unrecognized extension";
3167 push @infobase, $infobase;
3169 # If 'version.texi' is referenced by input file, then include
3170 # automatic versioning capability.
3171 my ($out_file, $vtexi) =
3172 scan_texinfo_file ("$relative_dir/$texi")
3174 # Directory of auxiliary files and build by-products used by texi2dvi
3176 push @mostly_cleans, "$infobase.t2d";
3177 push @mostly_cleans, "$infobase.t2p";
3179 # If the Texinfo source is in a subdirectory, create the
3180 # resulting info in this subdirectory. If it is in the current
3181 # directory, try hard to not prefix "./" because it breaks the
3183 my $outdir = dirname ($texi) . '/';
3184 $outdir = "" if $outdir eq './';
3185 $out_file = $outdir . $out_file;
3187 # Until Automake 1.6.3, .info files were built in the
3188 # source tree. This was an obstacle to the support of
3189 # non-distributed .info files, and non-distributed .texi
3192 # * Non-distributed .texi files is important in some packages
3193 # where .texi files are built at make time, probably using
3194 # other binaries built in the package itself, maybe using
3195 # tools or information found on the build host. Because
3196 # these files are not distributed they are always rebuilt
3197 # at make time; they should therefore not lie in the source
3198 # directory. One plan was to support this using
3199 # nodist_info_TEXINFOS or something similar. (Doing this
3200 # requires some sanity checks. For instance Automake should
3202 # dist_info_TEXINFOS = foo.texi
3203 # nodist_foo_TEXINFOS = included.texi
3204 # because a distributed file should never depend on a
3205 # non-distributed file.)
3207 # * If .texi files are not distributed, then .info files should
3208 # not be distributed either. There are also cases where one
3209 # wants to distribute .texi files, but does not want to
3210 # distribute the .info files. For instance the Texinfo package
3211 # distributes the tool used to build these files; it would
3212 # be a waste of space to distribute them. It's not clear
3213 # which syntax we should use to indicate that .info files should
3214 # not be distributed. Akim Demaille suggested that eventually
3215 # we switch to a new syntax:
3216 # | Maybe we should take some inspiration from what's already
3217 # | done in the rest of Automake. Maybe there is too much
3218 # | syntactic sugar here, and you want
3219 # | nodist_INFO = bar.info
3220 # | dist_bar_info_SOURCES = bar.texi
3221 # | bar_texi_DEPENDENCIES = foo.texi
3222 # | with a bit of magic to have bar.info represent the whole
3223 # | bar*info set. That's a lot more verbose that the current
3224 # | situation, but it is # not new, hence the user has less
3227 # | But there is still too much room for meaningless specs:
3228 # | nodist_INFO = bar.info
3229 # | dist_bar_info_SOURCES = bar.texi
3230 # | dist_PS = bar.ps something-written-by-hand.ps
3231 # | nodist_bar_ps_SOURCES = bar.texi
3232 # | bar_texi_DEPENDENCIES = foo.texi
3233 # | here bar.texi is dist_ in line 2, and nodist_ in 4.
3235 # Back to the point, it should be clear that in order to support
3236 # non-distributed .info files, we need to build them in the
3237 # build tree, not in the source tree (non-distributed .texi
3238 # files are less of a problem, because we do not output build
3239 # rules for them). In Automake 1.7 .info build rules have been
3240 # largely cleaned up so that .info files get always build in the
3241 # build tree, even when distributed. The idea was that
3242 # (1) if during a VPATH build the .info file was found to be
3243 # absent or out-of-date (in the source tree or in the
3244 # build tree), Make would rebuild it in the build tree.
3245 # If an up-to-date source-tree of the .info file existed,
3246 # make would not rebuild it in the build tree.
3247 # (2) having two copies of .info files, one in the source tree
3248 # and one (newer) in the build tree is not a problem
3249 # because 'make dist' always pick files in the build tree
3251 # However it turned out the be a bad idea for several reasons:
3252 # * Tru64, OpenBSD, and FreeBSD (not NetBSD) Make do not behave
3253 # like GNU Make on point (1) above. These implementations
3254 # of Make would always rebuild .info files in the build
3255 # tree, even if such files were up to date in the source
3256 # tree. Consequently, it was impossible to perform a VPATH
3257 # build of a package containing Texinfo files using these
3258 # Make implementations.
3259 # (Refer to the Autoconf Manual, section "Limitation of
3260 # Make", paragraph "VPATH", item "target lookup", for
3261 # an account of the differences between these
3263 # * The GNU Coding Standards require these files to be built
3264 # in the source-tree (when they are distributed, that is).
3265 # * Keeping a fresher copy of distributed files in the
3266 # build tree can be annoying during development because
3267 # - if the files is kept under CVS, you really want it
3268 # to be updated in the source tree
3269 # - it is confusing that 'make distclean' does not erase
3270 # all files in the build tree.
3272 # Consequently, starting with Automake 1.8, .info files are
3273 # built in the source tree again. Because we still plan to
3274 # support non-distributed .info files at some point, we
3275 # have a single variable ($INSRC) that controls whether
3276 # the current .info file must be built in the source tree
3277 # or in the build tree. Actually this variable is switched
3278 # off for .info files that appear to be cleaned; this is
3279 # for backward compatibility with package such as Texinfo,
3280 # which do things like
3281 # info_TEXINFOS = texinfo.txi info-stnd.texi info.texi
3282 # DISTCLEANFILES = texinfo texinfo-* info*.info*
3283 # # Do not create info files for distribution.
3285 # in order not to distribute .info files.
3286 my $insrc = ($out_file =~ $user_cleaned_files) ? 0 : 1;
3288 my $soutdir = '$(srcdir)/' . $outdir;
3289 $outdir = $soutdir if $insrc;
3291 # If user specified file_TEXINFOS, then use that as explicit
3294 push (@texi_deps, "$soutdir$vtexi") if $vtexi;
3296 my $canonical = canonicalize ($infobase);
3297 if (var ($canonical . "_TEXINFOS"))
3299 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
3300 push_dist_common ('$(' . $canonical . '_TEXINFOS)');
3303 my ($dirstamp, @cfiles) =
3304 output_texinfo_build_rules ($texi, $out_file, $insrc, @texi_deps);
3305 push (@texi_cleans, @cfiles);
3307 push (@info_deps_list, $out_file);
3309 # If a vers*.texi file is needed, emit the rule.
3312 err_am ("'$vtexi', included in '$texi', "
3313 . "also included in '$versions{$vtexi}'")
3314 if defined $versions{$vtexi};
3315 $versions{$vtexi} = $texi;
3317 # We number the stamp-vti files. This is doable since the
3318 # actual names don't matter much. We only number starting
3319 # with the second one, so that the common case looks nice.
3320 my $vti = ($done ? $done : 'vti');
3323 # This is ugly, but it is our historical practice.
3324 if ($config_aux_dir_set_in_configure_ac)
3326 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3331 require_file_with_macro (TRUE, 'info_TEXINFOS',
3332 FOREIGN, 'mdate-sh');
3336 if ($config_aux_dir_set_in_configure_ac)
3338 $conf_dir = "$am_config_aux_dir/";
3342 $conf_dir = '$(srcdir)/';
3344 $output_rules .= file_contents ('texi-vers',
3345 new Automake::Location,
3348 STAMPVTI => "${soutdir}stamp-$vti",
3349 VTEXI => "$soutdir$vtexi",
3351 DIRSTAMP => $dirstamp);
3355 # Handle location of texinfo.tex.
3356 my $need_texi_file = 0;
3358 if (var ('TEXINFO_TEX'))
3360 # The user defined TEXINFO_TEX so assume he knows what he is
3362 $texinfodir = ('$(srcdir)/'
3363 . dirname (variable_value ('TEXINFO_TEX')));
3365 elsif ($config_aux_dir_set_in_configure_ac)
3367 $texinfodir = $am_config_aux_dir;
3368 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3369 $need_texi_file = 2; # so that we require_conf_file later
3373 $texinfodir = '$(srcdir)';
3374 $need_texi_file = 1;
3376 define_variable ('am__TEXINFO_TEX_DIR', $texinfodir, INTERNAL);
3378 push (@dist_targets, 'dist-info');
3380 if (! option 'no-installinfo')
3382 # Make sure documentation is made and installed first. Use
3383 # $(INFO_DEPS), not 'info', because otherwise recursive makes
3384 # get run twice during "make all".
3385 unshift (@all, '$(INFO_DEPS)');
3388 define_files_variable ("DVIS", @infobase, 'dvi', INTERNAL);
3389 define_files_variable ("PDFS", @infobase, 'pdf', INTERNAL);
3390 define_files_variable ("PSS", @infobase, 'ps', INTERNAL);
3391 define_files_variable ("HTMLS", @infobase, 'html', INTERNAL);
3393 # This next isn't strictly needed now -- the places that look here
3394 # could easily be changed to look in info_TEXINFOS. But this is
3395 # probably better, in case noinst_TEXINFOS is ever supported.
3396 define_variable ("TEXINFOS", variable_value ('info_TEXINFOS'), INTERNAL);
3398 # Do some error checking. Note that this file is not required
3399 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
3401 if ($need_texi_file && ! option 'no-texinfo.tex')
3403 if ($need_texi_file > 1)
3405 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3410 require_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3415 return (makefile_wrap ("", "\t ", @mostly_cleans),
3416 makefile_wrap ("", "\t ", @texi_cleans),
3417 makefile_wrap ("", "\t ", @maint_cleans));
3423 # Handle all Texinfo source.
3424 sub handle_texinfo ()
3426 reject_var 'TEXINFOS', "'TEXINFOS' is an anachronism; use 'info_TEXINFOS'";
3427 # FIXME: I think this is an obsolete future feature name.
3428 reject_var 'html_TEXINFOS', "HTML generation not yet supported";
3430 my $info_texinfos = var ('info_TEXINFOS');
3431 my ($mostlyclean, $clean, $maintclean) = ('', '', '');
3434 define_verbose_texinfo;
3435 ($mostlyclean, $clean, $maintclean) = handle_texinfo_helper ($info_texinfos);
3441 $output_rules .= file_contents ('texinfos',
3442 new Automake::Location,
3443 AM_V_DVIPS => verbose_flag('DVIPS'),
3444 MOSTLYCLEAN => $mostlyclean,
3445 TEXICLEAN => $clean,
3446 MAINTCLEAN => $maintclean,
3447 'LOCAL-TEXIS' => !!$info_texinfos,
3448 TEXIQUIET => verbose_flag('texinfo'));
3452 # Handle any man pages.
3453 sub handle_man_pages
3455 reject_var 'MANS', "'MANS' is an anachronism; use 'man_MANS'";
3457 # Find all the sections in use. We do this by first looking for
3458 # "standard" sections, and then looking for any additional
3459 # sections used in man_MANS.
3460 my (%sections, %notrans_sections, %trans_sections,
3461 %notrans_vars, %trans_vars, %notrans_sect_vars, %trans_sect_vars);
3462 # We handle nodist_ for uniformity. man pages aren't distributed
3463 # by default so it isn't actually very important.
3464 foreach my $npfx ('', 'notrans_')
3466 foreach my $pfx ('', 'dist_', 'nodist_')
3468 # Add more sections as needed.
3469 foreach my $section ('0'..'9', 'n', 'l')
3471 my $varname = $npfx . $pfx . 'man' . $section . '_MANS';
3474 $sections{$section} = 1;
3475 $varname = '$(' . $varname . ')';
3476 if ($npfx eq 'notrans_')
3478 $notrans_sections{$section} = 1;
3479 $notrans_sect_vars{$varname} = 1;
3483 $trans_sections{$section} = 1;
3484 $trans_sect_vars{$varname} = 1;
3487 &push_dist_common ($varname)
3492 my $varname = $npfx . $pfx . 'man_MANS';
3493 my $var = var ($varname);
3496 foreach ($var->value_as_list_recursive)
3498 # A page like 'foo.1c' goes into man1dir.
3499 if (/\.([0-9a-z])([a-z]*)$/)
3502 if ($npfx eq 'notrans_')
3504 $notrans_sections{$1} = 1;
3508 $trans_sections{$1} = 1;
3513 $varname = '$(' . $varname . ')';
3514 if ($npfx eq 'notrans_')
3516 $notrans_vars{$varname} = 1;
3520 $trans_vars{$varname} = 1;
3522 &push_dist_common ($varname)
3528 return unless %sections;
3532 # Build section independent variables.
3533 my $have_notrans = %notrans_vars;
3534 my @notrans_list = sort keys %notrans_vars;
3535 my $have_trans = %trans_vars;
3536 my @trans_list = sort keys %trans_vars;
3538 # Now for each section, generate an install and uninstall rule.
3539 # Sort sections so output is deterministic.
3540 foreach my $section (sort keys %sections)
3542 # Build section dependent variables.
3543 my $notrans_mans = $have_notrans || exists $notrans_sections{$section};
3544 my $trans_mans = $have_trans || exists $trans_sections{$section};
3545 my (%notrans_this_sect, %trans_this_sect);
3546 my $expr = 'man' . $section . '_MANS';
3547 foreach my $varname (keys %notrans_sect_vars)
3549 if ($varname =~ /$expr/)
3551 $notrans_this_sect{$varname} = 1;
3554 foreach my $varname (keys %trans_sect_vars)
3556 if ($varname =~ /$expr/)
3558 $trans_this_sect{$varname} = 1;
3561 my @notrans_sect_list = sort keys %notrans_this_sect;
3562 my @trans_sect_list = sort keys %trans_this_sect;
3563 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3564 keys %notrans_this_sect, keys %trans_this_sect);
3565 my @deps = sort @unsorted_deps;
3566 $output_rules .= &file_contents ('mans',
3567 new Automake::Location,
3568 SECTION => $section,
3570 NOTRANS_MANS => $notrans_mans,
3571 NOTRANS_SECT_LIST => "@notrans_sect_list",
3572 HAVE_NOTRANS => $have_notrans,
3573 NOTRANS_LIST => "@notrans_list",
3574 TRANS_MANS => $trans_mans,
3575 TRANS_SECT_LIST => "@trans_sect_list",
3576 HAVE_TRANS => $have_trans,
3577 TRANS_LIST => "@trans_list");
3580 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3581 keys %notrans_sect_vars, keys %trans_sect_vars);
3582 my @mans = sort @unsorted_deps;
3583 $output_vars .= file_contents ('mans-vars',
3584 new Automake::Location,
3587 push (@all, '$(MANS)')
3588 unless option 'no-installman';
3591 # Handle DATA variables.
3594 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
3595 'data', 'dataroot', 'doc', 'dvi', 'html', 'pdf',
3596 'ps', 'sysconf', 'sharedstate', 'localstate',
3597 'pkgdata', 'lisp', 'noinst', 'check');
3604 foreach my $spec (@config_headers)
3606 my ($out, @ins) = split_config_file_spec ($spec);
3607 foreach my $in (@ins)
3609 # If the config header source is in this directory,
3611 push @config, basename ($in)
3612 if $relative_dir eq dirname ($in);
3616 define_variable ('am__tagged_files',
3617 '$(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)'
3618 . "@config", INTERNAL);
3620 if (rvar('am__tagged_files')->value_as_list_recursive
3621 || var ('ETAGS_ARGS') || var ('SUBDIRS'))
3623 $output_rules .= &file_contents ('tags', new Automake::Location);
3624 set_seen 'TAGS_DEPENDENCIES';
3628 reject_var ('TAGS_DEPENDENCIES',
3629 "it doesn't make sense to define 'TAGS_DEPENDENCIES'"
3630 . " without\nsources or 'ETAGS_ARGS'");
3631 # Every Makefile must define some sort of TAGS rule.
3632 # Otherwise, it would be possible for a top-level "make TAGS"
3633 # to fail because some subdirectory failed. Ditto ctags and
3637 "ctags CTAGS:\n\n" .
3638 "cscope cscopelist:\n\n";
3643 # user_phony_rule ($NAME)
3644 # -----------------------
3645 # Return false if rule $NAME does not exist. Otherwise,
3646 # declare it as phony, complete its definition (in case it is
3647 # conditional), and return its Automake::Rule instance.
3648 sub user_phony_rule ($)
3651 my $rule = rule $name;
3654 depend ('.PHONY', $name);
3655 # Define $NAME in all condition where it is not already defined,
3656 # so that it is always OK to depend on $NAME.
3657 for my $c ($rule->not_always_defined_in_cond (TRUE)->conds)
3659 Automake::Rule::define ($name, 'internal', RULE_AUTOMAKE,
3661 $output_rules .= $c->subst_string . "$name:\n";
3670 # Handle 'dist' target.
3673 # Substitutions for distdir.am
3676 # Define DIST_SUBDIRS. This must always be done, regardless of the
3677 # no-dist setting: target like 'distclean' or 'maintainer-clean' use it.
3678 my $subdirs = var ('SUBDIRS');
3681 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3682 # to all possible directories, and use it. If DIST_SUBDIRS is
3683 # defined, just use it.
3685 # Note that we check DIST_SUBDIRS first on purpose, so that
3686 # we don't call has_conditional_contents for now reason.
3687 # (In the past one project used so many conditional subdirectories
3688 # that calling has_conditional_contents on SUBDIRS caused
3689 # automake to grow to 150Mb -- this should not happen with
3690 # the current implementation of has_conditional_contents,
3691 # but it's more efficient to avoid the call anyway.)
3692 if (var ('DIST_SUBDIRS'))
3695 elsif ($subdirs->has_conditional_contents)
3697 define_pretty_variable
3698 ('DIST_SUBDIRS', TRUE, INTERNAL,
3699 uniq ($subdirs->value_as_list_recursive));
3703 # We always define this because that is what 'distclean'
3705 define_pretty_variable ('DIST_SUBDIRS', TRUE, INTERNAL,
3710 # The remaining definitions are only required when a dist target is used.
3711 return if option 'no-dist';
3713 # At least one of the archive formats must be enabled.
3714 if ($relative_dir eq '.')
3716 my $archive_defined = option 'no-dist-gzip' ? 0 : 1;
3717 $archive_defined ||=
3718 grep { option "dist-$_" } qw(shar zip tarZ bzip2 lzip xz);
3719 error (option 'no-dist-gzip',
3720 "no-dist-gzip specified but no dist-* specified,\n"
3721 . "at least one archive format must be enabled")
3722 unless $archive_defined;
3725 # Look for common files that should be included in distribution.
3726 # If the aux dir is set, and it does not have a Makefile.am, then
3727 # we check for these files there as well.
3729 if ($relative_dir eq '.'
3730 && $config_aux_dir_set_in_configure_ac)
3732 if (! &is_make_dir ($config_aux_dir))
3737 foreach my $cfile (@common_files)
3739 if (dir_has_case_matching_file ($relative_dir, $cfile)
3740 # The file might be absent, but if it can be built it's ok.
3743 &push_dist_common ($cfile);
3746 # Don't use 'elsif' here because a file might meaningfully
3747 # appear in both directories.
3748 if ($check_aux && dir_has_case_matching_file ($config_aux_dir, $cfile))
3750 &push_dist_common ("$config_aux_dir/$cfile")
3754 # We might copy elements from $configure_dist_common to
3755 # %dist_common if we think we need to. If the file appears in our
3756 # directory, we would have discovered it already, so we don't
3757 # check that. But if the file is in a subdir without a Makefile,
3758 # we want to distribute it here if we are doing '.'. Ugly!
3759 # Also, in some corner cases, it's possible that the following code
3760 # will cause the same file to appear in the $(DIST_COMMON) variables
3761 # of two distinct Makefiles; but this is not a problem, since the
3762 # 'distdir' target in 'lib/am/distdir.am' can deal with the same
3763 # file being distributed multiple times.
3764 # See also automake bug#9651.
3765 if ($relative_dir eq '.')
3767 foreach my $file (split (' ' , $configure_dist_common))
3769 my $dir = dirname ($file);
3770 push_dist_common ($file)
3771 if ($dir eq '.' || ! is_make_dir ($dir));
3775 # Files to distributed. Don't use ->value_as_list_recursive
3776 # as it recursively expands '$(dist_pkgdata_DATA)' etc.
3777 my @dist_common = split (' ', rvar ('DIST_COMMON')->variable_value);
3778 @dist_common = uniq @dist_common;
3779 variable_delete 'DIST_COMMON';
3780 define_pretty_variable ('DIST_COMMON', TRUE, INTERNAL, @dist_common);
3782 # Now that we've processed DIST_COMMON, disallow further attempts
3784 $handle_dist_run = 1;
3786 $transform{'DISTCHECK-HOOK'} = !! rule 'distcheck-hook';
3787 $transform{'GETTEXT'} = $seen_gettext && !$seen_gettext_external;
3789 # If the target 'dist-hook' exists, make sure it is run. This
3790 # allows users to do random weird things to the distribution
3791 # before it is packaged up.
3792 push (@dist_targets, 'dist-hook')
3793 if user_phony_rule 'dist-hook';
3794 $transform{'DIST-TARGETS'} = join (' ', @dist_targets);
3796 my $flm = option ('filename-length-max');
3797 my $filename_filter = $flm ? '.' x $flm->[1] : '';
3799 $output_rules .= &file_contents ('distdir',
3800 new Automake::Location,
3802 FILENAME_FILTER => $filename_filter);
3806 # check_directory ($NAME, $WHERE [, $RELATIVE_DIR = "."])
3807 # -------------------------------------------------------
3808 # Ensure $NAME is a directory (in $RELATIVE_DIR), and that it uses a sane
3809 # name. Use $WHERE as a location in the diagnostic, if any.
3810 sub check_directory ($$;$)
3812 my ($dir, $where, $reldir) = @_;
3813 $reldir = '.' unless defined $reldir;
3815 error $where, "required directory $reldir/$dir does not exist"
3816 unless -d "$reldir/$dir";
3818 # If an 'obj/' directory exists, BSD make will enter it before
3819 # reading 'Makefile'. Hence the 'Makefile' in the current directory
3825 # % cat obj/Makefile
3831 # % pmake # BSD make
3834 msg ('portability', $where,
3835 "naming a subdirectory 'obj' causes troubles with BSD make")
3838 # 'aux' is probably the most important of the following forbidden name,
3839 # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
3840 msg ('portability', $where,
3841 "name '$dir' is reserved on W32 and DOS platforms")
3842 if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
3845 # check_directories_in_var ($VARIABLE)
3846 # ------------------------------------
3847 # Recursively check all items in variables $VARIABLE as directories
3848 sub check_directories_in_var ($)
3851 $var->traverse_recursively
3854 my ($var, $val, $cond, $full_cond) = @_;
3855 check_directory ($val, $var->rdef ($cond)->location, $relative_dir);
3859 skip_ac_subst => 1);
3862 # &handle_subdirs ()
3863 # ------------------
3864 # Handle subdirectories.
3865 sub handle_subdirs ()
3867 my $subdirs = var ('SUBDIRS');
3871 check_directories_in_var $subdirs;
3873 my $dsubdirs = var ('DIST_SUBDIRS');
3874 check_directories_in_var $dsubdirs
3877 $output_rules .= &file_contents ('subdirs', new Automake::Location);
3878 rvar ('RECURSIVE_TARGETS')->rdef (TRUE)->{'pretty'} = VAR_SORTED; # Gross!
3882 # ($REGEN, @DEPENDENCIES)
3885 # If aclocal.m4 creation is automated, return the list of its dependencies.
3886 sub scan_aclocal_m4 ()
3888 my $regen_aclocal = 0;
3890 set_seen 'CONFIG_STATUS_DEPENDENCIES';
3891 set_seen 'CONFIGURE_DEPENDENCIES';
3893 if (-f 'aclocal.m4')
3895 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
3897 my $aclocal = new Automake::XFile "< aclocal.m4";
3898 my $line = $aclocal->getline;
3899 $regen_aclocal = $line =~ 'generated automatically by aclocal';
3904 if (set_seen ('ACLOCAL_M4_SOURCES'))
3906 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
3907 msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
3908 "'ACLOCAL_M4_SOURCES' is obsolete.\n"
3909 . "It should be safe to simply remove it");
3912 # Note that it might be possible that aclocal.m4 doesn't exist but
3913 # should be auto-generated. This case probably isn't very
3916 return ($regen_aclocal, @ac_deps);
3920 # Helper function for substitute_ac_subst_variables.
3921 sub substitute_ac_subst_variables_worker($)
3924 return "\@$token\@" if var $token;
3925 return "\${$token\}";
3928 # substitute_ac_subst_variables ($TEXT)
3929 # -------------------------------------
3930 # Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
3932 sub substitute_ac_subst_variables ($)
3935 $text =~ s/\${([^ \t=:+{}]+)}/&substitute_ac_subst_variables_worker ($1)/ge;
3940 # &prepend_srcdir (@INPUTS)
3941 # -------------------------
3942 # Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
3943 # if an input file has a directory part the same as the current
3944 # directory, then the directory part is simply replaced by $(srcdir).
3945 # But if the directory part is different, then $(top_srcdir) is
3947 sub prepend_srcdir (@)
3952 foreach my $single (@inputs)
3954 if (dirname ($single) eq $relative_dir)
3956 push (@newinputs, '$(srcdir)/' . basename ($single));
3960 push (@newinputs, '$(top_srcdir)/' . $single);
3967 # rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
3968 # ---------------------------------------------------
3969 # Compute a list of dependencies appropriate for the rebuild
3971 # AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
3972 # Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
3973 sub rewrite_inputs_into_dependencies ($@)
3975 my ($file, @inputs) = @_;
3980 # We cannot create dependencies on shell variables.
3981 next if (substitute_ac_subst_variables $i) =~ /\$/;
3983 if (exists $ac_config_files_location{$i} && $i ne $file)
3985 my $di = dirname $i;
3986 if ($di eq $relative_dir)
3990 # In the top-level Makefile we do not use $(top_builddir), because
3991 # we are already there, and since the targets are built without
3992 # a $(top_builddir), it helps BSD Make to match them with
3994 elsif ($relative_dir ne '.')
3996 $i = '$(top_builddir)/' . $i;
4001 msg ('error', $ac_config_files_location{$file},
4002 "required file '$i' not found")
4003 unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
4004 ($i) = prepend_srcdir ($i);
4005 push_dist_common ($i);
4014 # &handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
4015 # ------------------------------------------------------------------
4016 # Handle remaking and configure stuff.
4017 # We need the name of the input file, to do proper remaking rules.
4018 sub handle_configure ($$$@)
4020 my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
4022 prog_error 'empty @inputs'
4025 my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
4027 my $rel_makefile = basename $makefile;
4029 my $colon_infile = ':' . join (':', @inputs);
4030 $colon_infile = '' if $colon_infile eq ":$makefile.in";
4031 my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
4032 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
4033 define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
4034 @configure_deps, @aclocal_m4_deps,
4035 '$(top_srcdir)/' . $configure_ac);
4036 my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
4037 push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
4038 define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
4041 my $automake_options = '--' . $strictness_name .
4042 (global_option 'no-dependencies' ? ' --ignore-deps' : '');
4044 $output_rules .= file_contents
4046 new Automake::Location,
4047 MAKEFILE => $rel_makefile,
4048 'MAKEFILE-DEPS' => "@rewritten",
4049 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
4050 'MAKEFILE-IN' => $rel_makefile_in,
4051 'HAVE-MAKEFILE-IN-DEPS' => (@include_stack > 0),
4052 'MAKEFILE-IN-DEPS' => "@include_stack",
4053 'MAKEFILE-AM' => $rel_makefile_am,
4054 'AUTOMAKE-OPTIONS' => $automake_options,
4055 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
4056 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
4057 VERBOSE => verbose_flag ('GEN'));
4059 if ($relative_dir eq '.')
4061 &push_dist_common ('acconfig.h')
4065 # If we have a configure header, require it.
4067 my @distclean_config;
4068 foreach my $spec (@config_headers)
4071 # $CONFIG_H_PATH: config.h from top level.
4072 my ($config_h_path, @ins) = split_config_file_spec ($spec);
4073 my $config_h_dir = dirname ($config_h_path);
4075 # If the header is in the current directory we want to build
4076 # the header here. Otherwise, if we're at the topmost
4077 # directory and the header's directory doesn't have a
4078 # Makefile, then we also want to build the header.
4079 if ($relative_dir eq $config_h_dir
4080 || ($relative_dir eq '.' && ! &is_make_dir ($config_h_dir)))
4082 my ($cn_sans_dir, $stamp_dir);
4083 if ($relative_dir eq $config_h_dir)
4085 $cn_sans_dir = basename ($config_h_path);
4090 $cn_sans_dir = $config_h_path;
4091 if ($config_h_dir eq '.')
4097 $stamp_dir = $config_h_dir . '/';
4101 # This will also distribute all inputs.
4102 @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
4104 # Cannot define rebuild rules for filenames with shell variables.
4105 next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
4107 # Header defined in this directory.
4109 if (-f $config_h_path . '.top')
4111 push (@files, "$cn_sans_dir.top");
4113 if (-f $config_h_path . '.bot')
4115 push (@files, "$cn_sans_dir.bot");
4118 push_dist_common (@files);
4120 # For now, acconfig.h can only appear in the top srcdir.
4121 if (-f 'acconfig.h')
4123 push (@files, '$(top_srcdir)/acconfig.h');
4126 my $stamp = "${stamp_dir}stamp-h${hdr_index}";
4128 file_contents ('remake-hdr',
4129 new Automake::Location,
4131 'FIRST-HDR' => ($hdr_index == 1),
4132 CONFIG_H => $cn_sans_dir,
4133 CONFIG_HIN => $ins[0],
4134 CONFIG_H_DEPS => "@ins",
4135 CONFIG_H_PATH => $config_h_path,
4138 push @distclean_config, $cn_sans_dir, $stamp;
4142 $output_rules .= file_contents ('clean-hdr',
4143 new Automake::Location,
4144 FILES => "@distclean_config")
4145 if @distclean_config;
4147 # Distribute and define mkinstalldirs only if it is already present
4148 # in the package, for backward compatibility (some people may still
4149 # use $(mkinstalldirs)).
4150 # TODO: start warning about this in Automake 1.14, and have
4151 # TODO: Automake 2.0 drop it (and the mkinstalldirs script
4153 my $mkidpath = "$config_aux_dir/mkinstalldirs";
4156 # Use require_file so that any existing script gets updated
4157 # by --force-missing.
4158 require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
4159 define_variable ('mkinstalldirs',
4160 "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
4164 # Use $(install_sh), not $(MKDIR_P) because the latter requires
4165 # at least one argument, and $(mkinstalldirs) used to work
4166 # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
4167 define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
4170 reject_var ('CONFIG_HEADER',
4171 "'CONFIG_HEADER' is an anachronism; now determined "
4172 . "automatically\nfrom '$configure_ac'");
4175 foreach my $spec (@config_headers)
4177 my ($out, @ins) = split_config_file_spec ($spec);
4178 # Generate CONFIG_HEADER define.
4179 if ($relative_dir eq dirname ($out))
4181 push @config_h, basename ($out);
4185 push @config_h, "\$(top_builddir)/$out";
4188 define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
4191 # Now look for other files in this directory which must be remade
4192 # by config.status, and generate rules for them.
4193 my @actual_other_files = ();
4194 # These get cleaned only in a VPATH build.
4195 my @actual_other_vpath_files = ();
4196 foreach my $lfile (@other_input_files)
4200 if ($lfile =~ /^([^:]*):(.*)$/)
4202 # This is the ":" syntax of AC_OUTPUT.
4204 @inputs = split (':', $2);
4210 @inputs = $file . '.in';
4213 # Automake files should not be stored in here, but in %MAKE_LIST.
4214 prog_error ("$lfile in \@other_input_files\n"
4215 . "\@other_input_files = (@other_input_files)")
4216 if -f $file . '.am';
4218 my $local = basename ($file);
4220 # We skip files that aren't in this directory. However, if
4221 # the file's directory does not have a Makefile, and we are
4222 # currently doing '.', then we create a rule to rebuild the
4223 # file in the subdir.
4224 my $fd = dirname ($file);
4225 if ($fd ne $relative_dir)
4227 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4237 my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
4239 # Cannot output rules for shell variables.
4240 next if (substitute_ac_subst_variables $local) =~ /\$/;
4243 my $cond = $ac_config_files_condition{$lfile};
4246 $condstr = $cond->subst_string;
4247 Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
4248 $ac_config_files_location{$file});
4250 $output_rules .= ($condstr . $local . ': '
4251 . '$(top_builddir)/config.status '
4252 . "@rewritten_inputs\n"
4254 . 'cd $(top_builddir) && '
4255 . '$(SHELL) ./config.status '
4256 . ($relative_dir eq '.' ? '' : '$(subdir)/')
4259 push (@actual_other_files, $local);
4262 # For links we should clean destinations and distribute sources.
4263 foreach my $spec (@config_links)
4265 my ($link, $file) = split /:/, $spec;
4266 # Some people do AC_CONFIG_LINKS($computed). We only handle
4267 # the DEST:SRC form.
4269 my $where = $ac_config_files_location{$link};
4271 # Skip destinations that contain shell variables.
4272 if ((substitute_ac_subst_variables $link) !~ /\$/)
4274 # We skip links that aren't in this directory. However, if
4275 # the link's directory does not have a Makefile, and we are
4276 # currently doing '.', then we add the link to CONFIG_CLEAN_FILES
4277 # in '.'s Makefile.in.
4278 my $local = basename ($link);
4279 my $fd = dirname ($link);
4280 if ($fd ne $relative_dir)
4282 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4293 push @actual_other_files, $local if $local;
4297 push @actual_other_vpath_files, $local if $local;
4301 # Do not process sources that contain shell variables.
4302 if ((substitute_ac_subst_variables $file) !~ /\$/)
4304 my $fd = dirname ($file);
4306 # We distribute files that are in this directory.
4307 # At the top-level ('.') we also distribute files whose
4308 # directory does not have a Makefile.
4309 if (($fd eq $relative_dir)
4310 || ($relative_dir eq '.' && ! &is_make_dir ($fd)))
4312 # The following will distribute $file as a side-effect when
4313 # it is appropriate (i.e., when $file is not already an output).
4314 # We do not need the result, just the side-effect.
4315 rewrite_inputs_into_dependencies ($link, $file);
4320 # These files get removed by "make distclean".
4321 define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
4322 @actual_other_files);
4323 define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
4324 @actual_other_vpath_files);
4330 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
4331 'oldinclude', 'pkginclude',
4335 next unless $_->[1] =~ /\..*$/;
4336 &saw_extension ($&);
4342 return if ! $seen_gettext || $relative_dir ne '.';
4344 my $subdirs = var 'SUBDIRS';
4348 err_ac "AM_GNU_GETTEXT used but SUBDIRS not defined";
4352 # Perform some sanity checks to help users get the right setup.
4353 # We disable these tests when po/ doesn't exist in order not to disallow
4354 # unusual gettext setups.
4359 # | 1) If a package doesn't have a directory po/ at top level, it
4360 # | will likely have multiple po/ directories in subpackages.
4362 # | 2) It is useful to warn for the absence of intl/ if AM_GNU_GETTEXT
4363 # | is used without 'external'. It is also useful to warn for the
4364 # | presence of intl/ if AM_GNU_GETTEXT([external]) is used. Both
4365 # | warnings apply only to the usual layout of packages, therefore
4366 # | they should both be disabled if no po/ directory is found at
4371 my @subdirs = $subdirs->value_as_list_recursive;
4373 msg_var ('syntax', $subdirs,
4374 "AM_GNU_GETTEXT used but 'po' not in SUBDIRS")
4375 if ! grep ($_ eq 'po', @subdirs);
4377 # intl/ is not required when AM_GNU_GETTEXT is called with the
4378 # 'external' option and AM_GNU_GETTEXT_INTL_SUBDIR is not called.
4379 msg_var ('syntax', $subdirs,
4380 "AM_GNU_GETTEXT used but 'intl' not in SUBDIRS")
4381 if (! ($seen_gettext_external && ! $seen_gettext_intl)
4382 && ! grep ($_ eq 'intl', @subdirs));
4384 # intl/ should not be used with AM_GNU_GETTEXT([external]), except
4385 # if AM_GNU_GETTEXT_INTL_SUBDIR is called.
4386 msg_var ('syntax', $subdirs,
4387 "'intl' should not be in SUBDIRS when "
4388 . "AM_GNU_GETTEXT([external]) is used")
4389 if ($seen_gettext_external && ! $seen_gettext_intl
4390 && grep ($_ eq 'intl', @subdirs));
4393 require_file ($ac_gettext_location, GNU, 'ABOUT-NLS');
4396 # Handle footer elements.
4399 reject_rule ('.SUFFIXES',
4400 "use variable 'SUFFIXES', not target '.SUFFIXES'");
4402 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
4403 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
4404 # anything else, by sticking it right after the default: target.
4405 $output_header .= ".SUFFIXES:\n";
4406 my $suffixes = var 'SUFFIXES';
4407 my @suffixes = Automake::Rule::suffixes;
4408 if (@suffixes || $suffixes)
4410 # Make sure SUFFIXES has unique elements. Sort them to ensure
4411 # the output remains consistent. However, $(SUFFIXES) is
4412 # always at the start of the list, unsorted. This is done
4413 # because make will choose rules depending on the ordering of
4414 # suffixes, and this lets the user have some control. Push
4415 # actual suffixes, and not $(SUFFIXES). Some versions of make
4416 # do not like variable substitutions on the .SUFFIXES line.
4417 my @user_suffixes = ($suffixes
4418 ? $suffixes->value_as_list_recursive : ());
4420 my %suffixes = map { $_ => 1 } @suffixes;
4421 delete @suffixes{@user_suffixes};
4423 $output_header .= (".SUFFIXES: "
4424 . join (' ', @user_suffixes, sort keys %suffixes)
4428 $output_trailer .= file_contents ('footer', new Automake::Location);
4432 # Generate 'make install' rules.
4433 sub handle_install ()
4435 $output_rules .= &file_contents
4437 new Automake::Location,
4438 maybe_BUILT_SOURCES => (set_seen ('BUILT_SOURCES')
4439 ? (" \$(BUILT_SOURCES)\n"
4440 . "\t\$(MAKE) \$(AM_MAKEFLAGS)")
4442 'installdirs-local' => (user_phony_rule 'installdirs-local'
4443 ? ' installdirs-local' : ''),
4444 am__installdirs => variable_value ('am__installdirs') || '');
4448 # Deal with all and all-am.
4451 my ($makefile) = @_;
4455 # Put this at the beginning for the sake of non-GNU makes. This
4456 # is still wrong if these makes can run parallel jobs. But it is
4458 unshift (@all, basename ($makefile));
4460 foreach my $spec (@config_headers)
4462 my ($out, @ins) = split_config_file_spec ($spec);
4463 push (@all, basename ($out))
4464 if dirname ($out) eq $relative_dir;
4467 # Install 'all' hooks.
4468 push (@all, "all-local")
4469 if user_phony_rule "all-local";
4471 &pretty_print_rule ("all-am:", "\t\t", @all);
4472 &depend ('.PHONY', 'all-am', 'all');
4477 my @local_headers = ();
4478 push @local_headers, '$(BUILT_SOURCES)'
4479 if var ('BUILT_SOURCES');
4480 foreach my $spec (@config_headers)
4482 my ($out, @ins) = split_config_file_spec ($spec);
4483 push @local_headers, basename ($out)
4484 if dirname ($out) eq $relative_dir;
4489 # We need to make sure config.h is built before we recurse.
4490 # We also want to make sure that built sources are built
4491 # before any ordinary 'all' targets are run. We can't do this
4492 # by changing the order of dependencies to the "all" because
4493 # that breaks when using parallel makes. Instead we handle
4494 # things explicitly.
4495 $output_all .= ("all: @local_headers"
4497 . '$(MAKE) $(AM_MAKEFLAGS) '
4498 . (var ('SUBDIRS') ? 'all-recursive' : 'all-am')
4500 depend ('.MAKE', 'all');
4504 $output_all .= "all: " . (var ('SUBDIRS')
4505 ? 'all-recursive' : 'all-am') . "\n\n";
4509 # Generate helper targets for user recursion, where needed.
4510 sub handle_user_recursion ()
4512 return unless @extra_recursive_targets;
4514 define_pretty_variable ('am__extra_recursive_targets', TRUE, INTERNAL,
4515 map { "$_-recursive" } @extra_recursive_targets);
4516 my $aux = var ('SUBDIRS') ? 'recursive' : 'am';
4517 foreach my $target (@extra_recursive_targets)
4519 # This allows the default target's rules to be overridden in
4521 user_phony_rule ($target);
4522 depend ("$target", "$target-$aux");
4523 depend ("$target-am", "$target-local");
4524 # Every user-defined recursive target 'foo' *must* have a valid
4525 # associated 'foo-local' rule; we define it as an empty rule by
4526 # default, so that the user can transparently extend it in his
4528 pretty_print_rule ("$target-local:");
4529 # $target-recursive might as well be undefined, so do not add
4530 # it here; it's taken care of in subdirs.am anyway.
4531 depend (".PHONY", "$target-am", "$target-local");
4536 # &do_check_merge_target ()
4537 # -------------------------
4538 # Handle check merge target specially.
4539 sub do_check_merge_target ()
4541 # Include user-defined local form of target.
4542 push @check_tests, 'check-local'
4543 if user_phony_rule 'check-local';
4545 # The check target must depend on the local equivalent of
4546 # 'all', to ensure all the primary targets are built. Then it
4547 # must build the local check rules.
4548 $output_rules .= "check-am: all-am\n";
4551 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @check);
4552 depend ('.MAKE', 'check-am');
4557 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4559 depend ('.MAKE', 'check-am');
4562 depend '.PHONY', 'check', 'check-am';
4563 # Handle recursion. We have to honor BUILT_SOURCES like for 'all:'.
4564 $output_rules .= ("check: "
4565 . (var ('BUILT_SOURCES')
4566 ? "\$(BUILT_SOURCES)\n\t\$(MAKE) \$(AM_MAKEFLAGS) "
4568 . (var ('SUBDIRS') ? 'check-recursive' : 'check-am')
4570 depend ('.MAKE', 'check')
4571 if var ('BUILT_SOURCES');
4574 # handle_clean ($MAKEFILE)
4575 # ------------------------
4576 # Handle all 'clean' targets.
4577 sub handle_clean ($)
4579 my ($makefile) = @_;
4581 # Clean the files listed in user variables if they exist.
4582 $clean_files{'$(MOSTLYCLEANFILES)'} = MOSTLY_CLEAN
4583 if var ('MOSTLYCLEANFILES');
4584 $clean_files{'$(CLEANFILES)'} = CLEAN
4585 if var ('CLEANFILES');
4586 $clean_files{'$(DISTCLEANFILES)'} = DIST_CLEAN
4587 if var ('DISTCLEANFILES');
4588 $clean_files{'$(MAINTAINERCLEANFILES)'} = MAINTAINER_CLEAN
4589 if var ('MAINTAINERCLEANFILES');
4591 # Built sources are automatically removed by maintainer-clean.
4592 $clean_files{'$(BUILT_SOURCES)'} = MAINTAINER_CLEAN
4593 if var ('BUILT_SOURCES');
4595 # Compute a list of "rm"s to run for each target.
4596 my %rms = (MOSTLY_CLEAN, [],
4599 MAINTAINER_CLEAN, []);
4601 foreach my $file (keys %clean_files)
4603 my $when = $clean_files{$file};
4604 prog_error 'invalid entry in %clean_files'
4605 unless exists $rms{$when};
4607 my $rm = "rm -f $file";
4608 # If file is a variable, make sure when don't call 'rm -f' without args.
4609 $rm ="test -z \"$file\" || $rm"
4610 if ($file =~ /^\s*\$(\(.*\)|\{.*\})\s*$/);
4612 push @{$rms{$when}}, "\t-$rm\n";
4615 $output_rules .= &file_contents
4617 new Automake::Location,
4618 MOSTLYCLEAN_RMS => join ('', sort @{$rms{&MOSTLY_CLEAN}}),
4619 CLEAN_RMS => join ('', sort @{$rms{&CLEAN}}),
4620 DISTCLEAN_RMS => join ('', sort @{$rms{&DIST_CLEAN}}),
4621 MAINTAINER_CLEAN_RMS => join ('', sort @{$rms{&MAINTAINER_CLEAN}}),
4622 MAKEFILE => basename $makefile,
4627 # &target_cmp ($A, $B)
4628 # --------------------
4629 # Subroutine for &handle_factored_dependencies to let '.PHONY' and
4630 # other '.TARGETS' be last.
4633 return 0 if $a eq $b;
4635 my $a1 = substr ($a, 0, 1);
4636 my $b1 = substr ($b, 0, 1);
4639 return -1 if $b1 eq '.';
4640 return 1 if $a1 eq '.';
4646 # &handle_factored_dependencies ()
4647 # --------------------------------
4648 # Handle everything related to gathered targets.
4649 sub handle_factored_dependencies
4652 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
4653 'uninstall-exec-local', 'uninstall-exec-hook',
4654 'uninstall-dvi-local',
4655 'uninstall-html-local',
4656 'uninstall-info-local',
4657 'uninstall-pdf-local',
4658 'uninstall-ps-local')
4662 reject_rule ($utarg, "use '$x', not '$utarg'");
4665 reject_rule ('install-local',
4666 "use 'install-data-local' or 'install-exec-local', "
4667 . "not 'install-local'");
4669 reject_rule ('install-hook',
4670 "use 'install-data-hook' or 'install-exec-hook', "
4671 . "not 'install-hook'");
4673 # Install the -local hooks.
4674 foreach (keys %dependencies)
4676 # Hooks are installed on the -am targets.
4678 depend ("$_-am", "$_-local")
4679 if user_phony_rule "$_-local";
4682 # Install the -hook hooks.
4683 # FIXME: Why not be as liberal as we are with -local hooks?
4684 foreach ('install-exec', 'install-data', 'uninstall')
4686 if (user_phony_rule "$_-hook")
4688 depend ('.MAKE', "$_-am");
4689 register_action("$_-am",
4690 ("\t\@\$(NORMAL_INSTALL)\n"
4691 . "\t\$(MAKE) \$(AM_MAKEFLAGS) $_-hook"));
4695 # All the required targets are phony.
4696 depend ('.PHONY', keys %required_targets);
4698 # Actually output gathered targets.
4699 foreach (sort target_cmp keys %dependencies)
4701 # If there is nothing about this guy, skip it.
4703 unless (@{$dependencies{$_}}
4705 || $required_targets{$_});
4707 # Define gathered targets in undefined conditions.
4708 # FIXME: Right now we must handle .PHONY as an exception,
4709 # because people write things like
4710 # .PHONY: myphonytarget
4711 # to append dependencies. This would not work if Automake
4712 # refrained from defining its own .PHONY target as it does
4713 # with other overridden targets.
4714 # Likewise for '.MAKE'.
4715 my @undefined_conds = (TRUE,);
4716 if ($_ ne '.PHONY' && $_ ne '.MAKE')
4719 Automake::Rule::define ($_, 'internal',
4720 RULE_AUTOMAKE, TRUE, INTERNAL);
4722 my @uniq_deps = uniq (sort @{$dependencies{$_}});
4723 foreach my $cond (@undefined_conds)
4725 my $condstr = $cond->subst_string;
4726 &pretty_print_rule ("$condstr$_:", "$condstr\t", @uniq_deps);
4727 $output_rules .= $actions{$_} if defined $actions{$_};
4728 $output_rules .= "\n";
4734 # &handle_tests_dejagnu ()
4735 # ------------------------
4736 sub handle_tests_dejagnu
4738 push (@check_tests, 'check-DEJAGNU');
4739 $output_rules .= file_contents ('dejagnu', new Automake::Location);
4742 sub handle_per_suffix_test
4744 my ($test_suffix, %transform) = @_;
4745 my ($pfx, $generic, $am_exeext);
4746 if ($test_suffix eq '')
4750 $am_exeext = 'FALSE';
4754 prog_error ("test suffix '$test_suffix' lacks leading dot")
4755 unless $test_suffix =~ m/^\.(.*)/;
4756 $pfx = uc ($1) . '_';
4758 $am_exeext = exists $configure_vars{'EXEEXT'} ? 'am__EXEEXT'
4761 # The "test driver" program, deputed to handle tests protocol used by
4762 # test scripts. By default, it's assumed that no protocol is used, so
4763 # we fall back to the old behaviour, implemented by the 'test-driver'
4765 if (! var "${pfx}LOG_DRIVER")
4767 require_conf_file ("parallel-tests", FOREIGN, 'test-driver');
4768 define_variable ("${pfx}LOG_DRIVER",
4769 "\$(SHELL) $am_config_aux_dir/test-driver",
4772 my $driver = '$(' . $pfx . 'LOG_DRIVER)';
4773 my $driver_flags = '$(AM_' . $pfx . 'LOG_DRIVER_FLAGS)'
4774 . ' $(' . $pfx . 'LOG_DRIVER_FLAGS)';
4775 my $compile = "${pfx}LOG_COMPILE";
4776 define_variable ($compile,
4777 '$(' . $pfx . 'LOG_COMPILER)'
4778 . ' $(AM_' . $pfx . 'LOG_FLAGS)'
4779 . ' $(' . $pfx . 'LOG_FLAGS)',
4781 $output_rules .= file_contents ('check2', new Automake::Location,
4782 GENERIC => $generic,
4784 DRIVER_FLAGS => $driver_flags,
4785 COMPILE => '$(' . $compile . ')',
4786 EXT => $test_suffix,
4787 am__EXEEXT => $am_exeext,
4791 # is_valid_test_extension ($EXT)
4792 # ------------------------------
4793 # Return true if $EXT can appear in $(TEST_EXTENSIONS), return false
4795 sub is_valid_test_extension ($)
4799 if ($ext =~ /^\.[a-zA-Z_][a-zA-Z0-9_]*$/);
4801 if (exists $configure_vars{'EXEEXT'} && $ext eq subst ('EXEEXT'));
4805 # Handle TESTS variable and other checks.
4808 if (option 'dejagnu')
4810 &handle_tests_dejagnu;
4814 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4816 reject_var ($c, "'$c' defined but 'dejagnu' not in "
4817 . "'AUTOMAKE_OPTIONS'");
4823 push (@check_tests, 'check-TESTS');
4824 my $check_deps = "@check";
4825 $output_rules .= &file_contents ('check', new Automake::Location,
4826 SERIAL_TESTS => !! option 'serial-tests',
4827 CHECK_DEPS => $check_deps);
4829 # Tests that are known programs should have $(EXEEXT) appended.
4830 # For matching purposes, we need to adjust XFAIL_TESTS as well.
4831 append_exeext { exists $known_programs{$_[0]} } 'TESTS';
4832 append_exeext { exists $known_programs{$_[0]} } 'XFAIL_TESTS'
4833 if (var ('XFAIL_TESTS'));
4835 if (! option 'serial-tests')
4837 define_variable ('TEST_SUITE_LOG', 'test-suite.log', INTERNAL);
4840 my $handle_exeext = exists $configure_vars{'EXEEXT'};
4843 $at_exeext = subst ('EXEEXT');
4844 $suff = $at_exeext . ' ' . $suff;
4846 if (! var 'TEST_EXTENSIONS')
4848 define_variable ('TEST_EXTENSIONS', $suff, INTERNAL);
4850 my $var = var 'TEST_EXTENSIONS';
4851 # Currently, we are not able to deal with conditional contents
4852 # in TEST_EXTENSIONS.
4853 if ($var->has_conditional_contents)
4855 msg_var 'unsupported', $var,
4856 "'TEST_EXTENSIONS' cannot have conditional contents";
4858 my @test_suffixes = $var->value_as_list_recursive;
4859 if ((my @invalid_test_suffixes =
4860 grep { !is_valid_test_extension $_ } @test_suffixes) > 0)
4862 error $var->rdef (TRUE)->location,
4863 "invalid test extensions: @invalid_test_suffixes";
4865 @test_suffixes = grep { is_valid_test_extension $_ } @test_suffixes;
4868 unshift (@test_suffixes, $at_exeext)
4869 unless $test_suffixes[0] eq $at_exeext;
4871 unshift (@test_suffixes, '');
4873 transform_variable_recursively
4874 ('TESTS', 'TEST_LOGS', 'am__testlogs', 1, INTERNAL,
4876 my ($subvar, $val, $cond, $full_cond) = @_;
4879 if $val =~ /^\@.*\@$/;
4880 $obj =~ s/\$\(EXEEXT\)$//o;
4882 if ($val =~ /(\$\((top_)?srcdir\))\//o)
4884 msg ('error', $subvar->rdef ($cond)->location,
4885 "using '$1' in TESTS is currently broken: '$val'");
4888 foreach my $test_suffix (@test_suffixes)
4891 if $test_suffix eq $at_exeext || $test_suffix eq '';
4892 return substr ($obj, 0, length ($obj) - length ($test_suffix)) . '.log'
4893 if substr ($obj, - length ($test_suffix)) eq $test_suffix;
4897 handle_per_suffix_test ('',
4907 my $last_suffix = $test_suffixes[$#test_suffixes];
4909 foreach my $test_suffix (@test_suffixes)
4911 if ($test_suffix eq $last_suffix)
4917 $cur = 'am__test_logs' . $nhelper;
4919 define_variable ($cur,
4920 '$(' . $prev . ':' . $test_suffix . $post . '=.log)', INTERNAL);
4924 if ($test_suffix ne $at_exeext && $test_suffix ne '')
4926 handle_per_suffix_test ($test_suffix,
4932 $clean_files{'$(TEST_LOGS)'} = MOSTLY_CLEAN;
4933 $clean_files{'$(TEST_LOGS:.log=.trs)'} = MOSTLY_CLEAN;
4934 $clean_files{'$(TEST_SUITE_LOG)'} = MOSTLY_CLEAN;
4939 # Handle Emacs Lisp.
4940 sub handle_emacs_lisp
4942 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
4945 return if ! @elfiles;
4947 define_pretty_variable ('am__ELFILES', TRUE, INTERNAL,
4948 map { $_->[1] } @elfiles);
4949 define_pretty_variable ('am__ELCFILES', TRUE, INTERNAL,
4950 '$(am__ELFILES:.el=.elc)');
4951 # This one can be overridden by users.
4952 define_pretty_variable ('ELCFILES', TRUE, INTERNAL, '$(LISP:.el=.elc)');
4954 push @all, '$(ELCFILES)';
4956 require_variables ($elfiles[0][0], "Emacs Lisp sources seen", TRUE,
4957 'EMACS', 'lispdir');
4963 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4965 return if ! @pyfiles;
4967 require_variables ($pyfiles[0][0], "Python sources seen", TRUE, 'PYTHON');
4968 require_conf_file ($pyfiles[0][0], FOREIGN, 'py-compile');
4969 &define_variable ('py_compile', "$am_config_aux_dir/py-compile", INTERNAL);
4975 my @sourcelist = &am_install_var ('-candist',
4978 return if ! @sourcelist;
4980 my @prefixes = am_primary_prefixes ('JAVA', 1,
4984 my @java_sources = ();
4985 foreach my $prefix (@prefixes)
4987 (my $curs = $prefix) =~ s/^(?:nobase_)?(?:dist_|nodist_)?//;
4990 if $curs eq 'EXTRA';
4992 push @java_sources, '$(' . $prefix . '_JAVA' . ')';
4996 err_var "${curs}_JAVA", "multiple _JAVA primaries in use"
4997 unless $curs eq $dir;
5003 define_pretty_variable ('am__java_sources', TRUE, INTERNAL,
5006 if ($dir eq 'check')
5008 push (@check, "class$dir.stamp");
5012 push (@all, "class$dir.stamp");
5017 # Handle some of the minor options.
5018 sub handle_minor_options
5020 if (option 'readme-alpha')
5022 if ($relative_dir eq '.')
5024 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
5026 msg ('error-gnits', $package_version_location,
5027 "version '$package_version' doesn't follow " .
5030 if (defined $1 && -f 'README-alpha')
5032 # This means we have an alpha release. See
5033 # GNITS_VERSION_PATTERN for details.
5034 push_dist_common ('README-alpha');
5040 ################################################################
5042 # ($OUTPUT, @INPUTS)
5043 # &split_config_file_spec ($SPEC)
5044 # -------------------------------
5045 # Decode the Autoconf syntax for config files (files, headers, links
5047 sub split_config_file_spec ($)
5050 my ($output, @inputs) = split (/:/, $spec);
5052 push @inputs, "$output.in"
5055 return ($output, @inputs);
5059 # locate_am (@POSSIBLE_SOURCES)
5060 # -----------------------------
5061 # AC_CONFIG_FILES allow specifications such as Makefile:top.in:mid.in:bot.in
5062 # This functions returns the first *.in file for which a *.am exists.
5063 # It returns undef otherwise.
5068 foreach my $file (@rest)
5070 if (($file =~ /^(.*)\.in$/) && -f "$1.am")
5081 # &scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
5082 # ---------------------------------------------------
5083 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
5085 sub scan_autoconf_config_files ($$)
5087 my ($where, $config_files) = @_;
5089 # Look at potential Makefile.am's.
5090 foreach (split ' ', $config_files)
5092 # Must skip empty string for Perl 4.
5093 next if $_ eq "\\" || $_ eq '';
5095 # Handle $local:$input syntax.
5096 my ($local, @rest) = split (/:/);
5097 @rest = ("$local.in",) unless @rest;
5098 # Keep in sync with test 'conffile-leading-dot.sh'.
5099 msg ('unsupported', $where,
5100 "omit leading './' from config file names such as '$local';"
5101 . "\nremake rules might be subtly broken otherwise")
5102 if ($local =~ /^\.\//);
5103 my $input = locate_am @rest;
5106 # We have a file that automake should generate.
5107 $make_list{$input} = join (':', ($local, @rest));
5111 # We have a file that automake should cause to be
5112 # rebuilt, but shouldn't generate itself.
5113 push (@other_input_files, $_);
5115 $ac_config_files_location{$local} = $where;
5116 $ac_config_files_condition{$local} =
5117 new Automake::Condition (@cond_stack)
5123 # &scan_autoconf_traces ($FILENAME)
5124 # ---------------------------------
5125 sub scan_autoconf_traces ($)
5127 my ($filename) = @_;
5129 # Macros to trace, with their minimal number of arguments.
5131 # IMPORTANT: If you add a macro here, you should also add this macro
5132 # ========= to Automake-preselection in autoconf/lib/autom4te.in.
5134 AC_CANONICAL_BUILD => 0,
5135 AC_CANONICAL_HOST => 0,
5136 AC_CANONICAL_TARGET => 0,
5137 AC_CONFIG_AUX_DIR => 1,
5138 AC_CONFIG_FILES => 1,
5139 AC_CONFIG_HEADERS => 1,
5140 AC_CONFIG_LIBOBJ_DIR => 1,
5141 AC_CONFIG_LINKS => 1,
5145 AC_REQUIRE_AUX_FILE => 1,
5146 AC_SUBST_TRACE => 1,
5147 AM_AUTOMAKE_VERSION => 1,
5148 AM_PROG_MKDIR_P => 0,
5149 AM_CONDITIONAL => 2,
5150 AM_EXTRA_RECURSIVE_TARGETS => 1,
5151 AM_GNU_GETTEXT => 0,
5152 AM_GNU_GETTEXT_INTL_SUBDIR => 0,
5153 AM_INIT_AUTOMAKE => 0,
5154 AM_MAINTAINER_MODE => 0,
5156 AM_PROG_CC_C_O => 0,
5157 _AM_SUBST_NOTMAKE => 1,
5160 _AM_COND_ENDIF => 1,
5161 LT_SUPPORTED_TAG => 1,
5162 _LT_AC_TAGCONFIG => 0,
5168 my $traces = ($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ";
5170 # Use a separator unlikely to be used, not ':', the default, which
5171 # has a precise meaning for AC_CONFIG_FILES and so on.
5172 $traces .= join (' ',
5173 map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
5176 my $tracefh = new Automake::XFile ("$traces $filename |");
5177 verb "reading $traces";
5182 while ($_ = $tracefh->getline)
5185 my ($here, $depth, @args) = split (/::/);
5186 $where = new Automake::Location $here;
5187 my $macro = $args[0];
5189 prog_error ("unrequested trace '$macro'")
5190 unless exists $traced{$macro};
5192 # Skip and diagnose malformed calls.
5193 if ($#args < $traced{$macro})
5195 msg ('syntax', $where, "not enough arguments for $macro");
5199 # Alphabetical ordering please.
5200 if ($macro eq 'AC_CANONICAL_BUILD')
5202 if ($seen_canonical <= AC_CANONICAL_BUILD)
5204 $seen_canonical = AC_CANONICAL_BUILD;
5207 elsif ($macro eq 'AC_CANONICAL_HOST')
5209 if ($seen_canonical <= AC_CANONICAL_HOST)
5211 $seen_canonical = AC_CANONICAL_HOST;
5214 elsif ($macro eq 'AC_CANONICAL_TARGET')
5216 $seen_canonical = AC_CANONICAL_TARGET;
5218 elsif ($macro eq 'AC_CONFIG_AUX_DIR')
5220 if ($seen_init_automake)
5222 error ($where, "AC_CONFIG_AUX_DIR must be called before "
5223 . "AM_INIT_AUTOMAKE ...", partial => 1);
5224 error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
5226 $config_aux_dir = $args[1];
5227 $config_aux_dir_set_in_configure_ac = 1;
5228 check_directory ($config_aux_dir, $where);
5230 elsif ($macro eq 'AC_CONFIG_FILES')
5232 # Look at potential Makefile.am's.
5233 scan_autoconf_config_files ($where, $args[1]);
5235 elsif ($macro eq 'AC_CONFIG_HEADERS')
5237 foreach my $spec (split (' ', $args[1]))
5239 my ($dest, @src) = split (':', $spec);
5240 $ac_config_files_location{$dest} = $where;
5241 push @config_headers, $spec;
5244 elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
5246 $config_libobj_dir = $args[1];
5247 check_directory ($config_libobj_dir, $where);
5249 elsif ($macro eq 'AC_CONFIG_LINKS')
5251 foreach my $spec (split (' ', $args[1]))
5253 my ($dest, $src) = split (':', $spec);
5254 $ac_config_files_location{$dest} = $where;
5255 push @config_links, $spec;
5258 elsif ($macro eq 'AC_FC_SRCEXT')
5260 my $suffix = $args[1];
5261 # These flags are used as %SOURCEFLAG% in depend2.am,
5262 # where the trailing space is important.
5263 $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
5264 if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
5266 elsif ($macro eq 'AC_INIT')
5268 if (defined $args[2])
5270 $package_version = $args[2];
5271 $package_version_location = $where;
5274 elsif ($macro eq 'AC_LIBSOURCE')
5276 $libsources{$args[1]} = $here;
5278 elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
5280 # Only remember the first time a file is required.
5281 $required_aux_file{$args[1]} = $where
5282 unless exists $required_aux_file{$args[1]};
5284 elsif ($macro eq 'AC_SUBST_TRACE')
5286 # Just check for alphanumeric in AC_SUBST_TRACE. If you do
5287 # AC_SUBST(5), then too bad.
5288 $configure_vars{$args[1]} = $where
5289 if $args[1] =~ /^\w+$/;
5291 elsif ($macro eq 'AM_AUTOMAKE_VERSION')
5294 "version mismatch. This is Automake $VERSION,\n" .
5295 "but the definition used by this AM_INIT_AUTOMAKE\n" .
5296 "comes from Automake $args[1]. You should recreate\n" .
5297 "aclocal.m4 with aclocal and run automake again.\n",
5298 # $? = 63 is used to indicate version mismatch to missing.
5300 if $VERSION ne $args[1];
5302 $seen_automake_version = 1;
5304 elsif ($macro eq 'AM_PROG_MKDIR_P')
5306 msg 'obsolete', $where, <<'EOF';
5307 The 'AM_PROG_MKDIR_P' macro is deprecated, and its use is discouraged.
5308 You should use the Autoconf-provided 'AC_PROG_MKDIR_P' macro instead,
5309 and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files.
5312 elsif ($macro eq 'AM_CONDITIONAL')
5314 $configure_cond{$args[1]} = $where;
5316 elsif ($macro eq 'AM_EXTRA_RECURSIVE_TARGETS')
5318 # Empty leading/trailing fields might be produced by split,
5319 # hence the grep is really needed.
5320 push @extra_recursive_targets,
5321 grep (/./, (split /\s+/, $args[1]));
5323 elsif ($macro eq 'AM_GNU_GETTEXT')
5325 $seen_gettext = $where;
5326 $ac_gettext_location = $where;
5327 $seen_gettext_external = grep ($_ eq 'external', @args);
5329 elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
5331 $seen_gettext_intl = $where;
5333 elsif ($macro eq 'AM_INIT_AUTOMAKE')
5335 $seen_init_automake = $where;
5336 if (defined $args[2])
5338 msg 'obsolete', $where, <<'EOF';
5339 AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see:
5340 http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation
5342 $package_version = $args[2];
5343 $package_version_location = $where;
5345 elsif (defined $args[1])
5347 my @opts = split (' ', $args[1]);
5348 @opts = map { { option => $_, where => $where } } @opts;
5349 exit $exit_code if process_global_option_list (@opts);
5352 elsif ($macro eq 'AM_MAINTAINER_MODE')
5354 $seen_maint_mode = $where;
5356 elsif ($macro eq 'AM_PROG_AR')
5360 elsif ($macro eq 'AM_PROG_CC_C_O')
5362 $seen_cc_c_o = $where;
5364 elsif ($macro eq '_AM_COND_IF')
5366 cond_stack_if ('', $args[1], $where);
5367 error ($where, "missing m4 quoting, macro depth $depth")
5370 elsif ($macro eq '_AM_COND_ELSE')
5372 cond_stack_else ('!', $args[1], $where);
5373 error ($where, "missing m4 quoting, macro depth $depth")
5376 elsif ($macro eq '_AM_COND_ENDIF')
5378 cond_stack_endif (undef, undef, $where);
5379 error ($where, "missing m4 quoting, macro depth $depth")
5382 elsif ($macro eq '_AM_SUBST_NOTMAKE')
5384 $ignored_configure_vars{$args[1]} = $where;
5386 elsif ($macro eq 'm4_include'
5387 || $macro eq 'm4_sinclude'
5388 || $macro eq 'sinclude')
5390 # Skip missing 'sinclude'd files.
5391 next if $macro ne 'm4_include' && ! -f $args[1];
5393 # Some modified versions of Autoconf don't use
5394 # frozen files. Consequently it's possible that we see all
5395 # m4_include's performed during Autoconf's startup.
5396 # Obviously we don't want to distribute Autoconf's files
5397 # so we skip absolute filenames here.
5398 push @configure_deps, '$(top_srcdir)/' . $args[1]
5399 unless $here =~ m,^(?:\w:)?[\\/],;
5400 # Keep track of the greatest timestamp.
5403 my $mtime = mtime $args[1];
5404 $configure_deps_greatest_timestamp = $mtime
5405 if $mtime > $configure_deps_greatest_timestamp;
5408 elsif ($macro eq 'LT_SUPPORTED_TAG')
5410 $libtool_tags{$args[1]} = 1;
5411 $libtool_new_api = 1;
5413 elsif ($macro eq '_LT_AC_TAGCONFIG')
5415 # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
5416 # We use it to detect whether tags are supported. Our
5417 # preferred interface is LT_SUPPORTED_TAG, but it was
5418 # introduced in Libtool 1.6.
5419 if (0 == keys %libtool_tags)
5421 # Hardcode the tags supported by Libtool 1.5.
5422 %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
5427 error ($where, "condition stack not properly closed")
5434 # &scan_autoconf_files ()
5435 # -----------------------
5436 # Check whether we use 'configure.ac' or 'configure.in'.
5437 # Scan it (and possibly 'aclocal.m4') for interesting things.
5438 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
5439 sub scan_autoconf_files ()
5441 # Reinitialize libsources here. This isn't really necessary,
5442 # since we currently assume there is only one configure.ac. But
5443 # that won't always be the case.
5446 # Keep track of the youngest configure dependency.
5447 $configure_deps_greatest_timestamp = mtime $configure_ac;
5448 if (-e 'aclocal.m4')
5450 my $mtime = mtime 'aclocal.m4';
5451 $configure_deps_greatest_timestamp = $mtime
5452 if $mtime > $configure_deps_greatest_timestamp;
5455 scan_autoconf_traces ($configure_ac);
5457 @configure_input_files = sort keys %make_list;
5458 # Set input and output files if not specified by user.
5461 @input_files = @configure_input_files;
5462 %output_files = %make_list;
5466 if (! $seen_init_automake)
5468 err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
5469 . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
5470 . "\nthat aclocal.m4 is present in the top-level directory,\n"
5471 . "and that aclocal.m4 was recently regenerated "
5472 . "(using aclocal)");
5476 if (! $seen_automake_version)
5478 if (-f 'aclocal.m4')
5480 error ($seen_init_automake,
5481 "your implementation of AM_INIT_AUTOMAKE comes from " .
5482 "an\nold Automake version. You should recreate " .
5483 "aclocal.m4\nwith aclocal and run automake again",
5484 # $? = 63 is used to indicate version mismatch to missing.
5489 error ($seen_init_automake,
5490 "no proper implementation of AM_INIT_AUTOMAKE was " .
5491 "found,\nprobably because aclocal.m4 is missing.\n" .
5492 "You should run aclocal to create this file, then\n" .
5493 "run automake again");
5500 # Look for some files we need. Always check for these. This
5501 # check must be done for every run, even those where we are only
5502 # looking at a subdir Makefile. We must set relative_dir for
5503 # push_required_file to work.
5504 # Sort the files for stable verbose output.
5505 $relative_dir = '.';
5506 foreach my $file (sort keys %required_aux_file)
5508 require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
5510 err_am "'install.sh' is an anachronism; use 'install-sh' instead"
5511 if -f $config_aux_dir . '/install.sh';
5513 # Preserve dist_common for later.
5514 $configure_dist_common = variable_value ('DIST_COMMON') || '';
5518 ################################################################
5520 # Do any extra checking for GNU standards.
5521 sub check_gnu_standards
5523 if ($relative_dir eq '.')
5525 # In top level (or only) directory.
5526 require_file ("$am_file.am", GNU,
5527 qw/INSTALL NEWS README AUTHORS ChangeLog/);
5529 # Accept one of these three licenses; default to COPYING.
5530 # Make sure we do not overwrite an existing license.
5532 foreach (qw /COPYING COPYING.LIB COPYING.LESSER/)
5540 require_file ("$am_file.am", GNU, 'COPYING')
5544 for my $opt ('no-installman', 'no-installinfo')
5546 msg ('error-gnu', option $opt,
5547 "option '$opt' disallowed by GNU standards")
5552 # Do any extra checking for GNITS standards.
5553 sub check_gnits_standards
5555 if ($relative_dir eq '.')
5557 # In top level (or only) directory.
5558 require_file ("$am_file.am", GNITS, 'THANKS');
5562 ################################################################
5564 # Functions to handle files of each language.
5566 # Each 'lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
5567 # simple formula: Return value is LANG_SUBDIR if the resulting object
5568 # file should be in a subdir if the source file is, LANG_PROCESS if
5569 # file is to be dealt with, LANG_IGNORE otherwise.
5571 # Much of the actual processing is handled in
5572 # handle_single_transform. These functions exist so that
5573 # auxiliary information can be recorded for a later cleanup pass.
5574 # Note that the calls to these functions are computed, so don't bother
5575 # searching for their precise names in the source.
5577 # This is just a convenience function that can be used to determine
5578 # when a subdir object should be used.
5581 return option 'subdir-objects' ? LANG_SUBDIR : LANG_PROCESS;
5584 # Rewrite a single C source file.
5587 my ($directory, $base, $ext, $obj, $have_per_exec_flags, $var) = @_;
5589 my $r = LANG_PROCESS;
5590 if (option 'subdir-objects')
5593 if ($directory && $directory ne '.')
5595 $base = $directory . '/' . $base;
5597 # libtool is always able to put the object at the proper place,
5598 # so we do not have to require AM_PROG_CC_C_O when building .lo files.
5599 msg_var ('portability', $var,
5600 "compiling '$base.c' in subdir requires "
5601 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5602 uniq_scope => US_GLOBAL,
5603 uniq_part => 'AM_PROG_CC_C_O subdir')
5604 unless $seen_cc_c_o || $obj eq '.lo';
5609 && $have_per_exec_flags
5610 && ! option 'subdir-objects'
5613 msg_var ('portability',
5614 $var, "compiling '$base.c' with per-target flags requires "
5615 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5616 uniq_scope => US_GLOBAL,
5617 uniq_part => 'AM_PROG_CC_C_O per-target')
5623 # Rewrite a single header file.
5624 sub lang_header_rewrite
5626 # Header files are simply ignored.
5630 # Rewrite a single Vala source file.
5631 sub lang_vala_rewrite
5633 my ($directory, $base, $ext) = @_;
5635 (my $newext = $ext) =~ s/vala$/c/;
5636 return (LANG_SUBDIR, $newext);
5639 # Rewrite a single yacc/yacc++ file.
5640 sub lang_yacc_rewrite
5642 my ($directory, $base, $ext) = @_;
5644 my $r = &lang_sub_obj;
5645 (my $newext = $ext) =~ tr/y/c/;
5646 return ($r, $newext);
5648 sub lang_yaccxx_rewrite { lang_yacc_rewrite (@_); };
5650 # Rewrite a single lex/lex++ file.
5651 sub lang_lex_rewrite
5653 my ($directory, $base, $ext) = @_;
5655 my $r = &lang_sub_obj;
5656 (my $newext = $ext) =~ tr/l/c/;
5657 return ($r, $newext);
5659 sub lang_lexxx_rewrite { lang_lex_rewrite (@_); };
5661 # Rewrite a single Java file.
5662 sub lang_java_rewrite
5667 # The lang_X_finish functions are called after all source file
5668 # processing is done. Each should handle defining rules for the
5669 # language, etc. A finish function is only called if a source file of
5670 # the appropriate type has been seen.
5672 sub lang_vala_finish_target ($$)
5674 my ($self, $name) = @_;
5676 my $derived = canonicalize ($name);
5677 my $var = var "${derived}_SOURCES";
5680 my @vala_sources = grep { /\.(vala|vapi)$/ } ($var->value_as_list_recursive);
5682 # For automake bug#11229.
5683 return unless @vala_sources;
5685 foreach my $vala_file (@vala_sources)
5687 my $c_file = $vala_file;
5688 if ($c_file =~ s/(.*)\.vala$/$1.c/)
5690 $c_file = "\$(srcdir)/$c_file";
5691 $output_rules .= "$c_file: \$(srcdir)/${derived}_vala.stamp\n"
5692 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5693 . "\t\@if test -f \$@; then :; else \\\n"
5694 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5696 $clean_files{$c_file} = MAINTAINER_CLEAN;
5700 # Add rebuild rules for generated header and vapi files
5701 my $flags = var ($derived . '_VALAFLAGS');
5705 foreach my $flag ($flags->value_as_list_recursive)
5707 if (grep (/$lastflag/, ('-H', '-h', '--header', '--internal-header',
5708 '--vapi', '--internal-vapi', '--gir')))
5710 my $headerfile = "\$(srcdir)/$flag";
5711 $output_rules .= "$headerfile: \$(srcdir)/${derived}_vala.stamp\n"
5712 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5713 . "\t\@if test -f \$@; then :; else \\\n"
5714 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5717 # valac is not used when building from dist tarballs
5718 # distribute the generated files
5719 push_dist_common ($headerfile);
5720 $clean_files{$headerfile} = MAINTAINER_CLEAN;
5726 my $compile = $self->compile;
5728 # Rewrite each occurrence of 'AM_VALAFLAGS' in the compile
5729 # rule into '${derived}_VALAFLAGS' if it exists.
5730 my $val = "${derived}_VALAFLAGS";
5731 $compile =~ s/\(AM_VALAFLAGS\)/\($val\)/
5734 # VALAFLAGS is a user variable (per GNU Standards),
5735 # it should not be overridden in the Makefile...
5736 check_user_variables 'VALAFLAGS';
5738 my $dirname = dirname ($name);
5740 # Only generate C code, do not run C compiler
5743 my $verbose = verbose_flag ('VALAC');
5744 my $silent = silent_flag ();
5745 my $stampfile = "\$(srcdir)/${derived}_vala.stamp";
5748 "\$(srcdir)/${derived}_vala.stamp: @vala_sources\n".
5749 # Since the C files generated from the vala sources depend on the
5750 # ${derived}_vala.stamp file, we must ensure its timestamp is older than
5751 # those of the C files generated by the valac invocation below (this is
5752 # especially important on systems with sub-second timestamp resolution).
5753 # Thus we need to create the stamp file *before* invoking valac, and to
5754 # move it to its final location only after valac has been invoked.
5755 "\t${silent}rm -f \$\@ && echo stamp > \$\@-t\n".
5756 "\t${verbose}\$(am__cd) \$(srcdir) && $compile @vala_sources\n".
5757 "\t${silent}mv -f \$\@-t \$\@\n";
5759 push_dist_common ($stampfile);
5761 $clean_files{$stampfile} = MAINTAINER_CLEAN;
5764 # Add output rules to invoke valac and create stamp file as a witness
5765 # to handle multiple outputs. This function is called after all source
5766 # file processing is done.
5767 sub lang_vala_finish
5771 foreach my $prog (keys %known_programs)
5773 lang_vala_finish_target ($self, $prog);
5776 while (my ($name) = each %known_libraries)
5778 lang_vala_finish_target ($self, $name);
5782 # The built .c files should be cleaned only on maintainer-clean
5783 # as the .c files are distributed. This function is called for each
5784 # .vala source file.
5785 sub lang_vala_target_hook
5787 my ($self, $aggregate, $output, $input, %transform) = @_;
5789 $clean_files{$output} = MAINTAINER_CLEAN;
5792 # This is a yacc helper which is called whenever we have decided to
5793 # compile a yacc file.
5794 sub lang_yacc_target_hook
5796 my ($self, $aggregate, $output, $input, %transform) = @_;
5798 # If some relevant *YFLAGS variable contains the '-d' flag, we'll
5799 # have to to generate special code.
5800 my $yflags_contains_minus_d = 0;
5802 foreach my $pfx ("", "${aggregate}_")
5804 my $yflagsvar = var ("${pfx}YFLAGS");
5805 next unless $yflagsvar;
5806 # We cannot work reliably with conditionally-defined YFLAGS.
5807 if ($yflagsvar->has_conditional_contents)
5809 msg_var ('unsupported', $yflagsvar,
5810 "'${pfx}YFLAGS' cannot have conditional contents");
5814 $yflags_contains_minus_d = 1
5815 if grep (/^-d$/, $yflagsvar->value_as_list_recursive);
5819 if ($yflags_contains_minus_d)
5821 # Found a '-d' that applies to the compilation of this file.
5822 # Add a dependency for the generated header file, and arrange
5823 # for that file to be included in the distribution.
5825 # The extension of the output file (e.g., '.c' or '.cxx').
5826 # We'll need it to compute the name of the generated header file.
5827 (my $output_ext = basename ($output)) =~ s/.*(\.[^.]+)$/$1/;
5829 # We know that a yacc input should be turned into either a C or
5830 # C++ output file. We depend on this fact (here and in yacc.am),
5831 # so check that it really holds.
5832 my $lang = $languages{$extension_map{$output_ext}};
5833 prog_error "invalid output name '$output' for yacc file '$input'"
5834 if (!$lang || ($lang->name ne 'c' && $lang->name ne 'cxx'));
5836 (my $header_ext = $output_ext) =~ s/c/h/g;
5837 # Quote $output_ext in the regexp, so that dots in it are taken
5838 # as literal dots, not as metacharacters.
5839 (my $header = $output) =~ s/\Q$output_ext\E$/$header_ext/;
5841 foreach my $cond (Automake::Rule::define (${header}, 'internal',
5842 RULE_AUTOMAKE, TRUE,
5845 my $condstr = $cond->subst_string;
5847 "$condstr${header}: $output\n"
5848 # Recover from removal of $header
5849 . "$condstr\t\@if test ! -f \$@; then rm -f $output; else :; fi\n"
5850 . "$condstr\t\@if test ! -f \$@; then \$(MAKE) \$(AM_MAKEFLAGS) $output; else :; fi\n";
5852 # Distribute the generated file, unless its .y source was
5853 # listed in a nodist_ variable. (&handle_source_transform
5854 # will set DIST_SOURCE.)
5855 &push_dist_common ($header)
5856 if $transform{'DIST_SOURCE'};
5858 # The GNU rules say that yacc/lex output files should be removed
5859 # by maintainer-clean. However, if the files are not distributed,
5860 # then we want to remove them with "make clean"; otherwise,
5861 # "make distcheck" will fail.
5862 $clean_files{$header} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5864 # See the comment above for $HEADER.
5865 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5868 # This is a lex helper which is called whenever we have decided to
5869 # compile a lex file.
5870 sub lang_lex_target_hook
5872 my ($self, $aggregate, $output, $input, %transform) = @_;
5873 # The GNU rules say that yacc/lex output files should be removed
5874 # by maintainer-clean. However, if the files are not distributed,
5875 # then we want to remove them with "make clean"; otherwise,
5876 # "make distcheck" will fail.
5877 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5880 # This is a helper for both lex and yacc.
5881 sub yacc_lex_finish_helper
5883 return if defined $language_scratch{'lex-yacc-done'};
5884 $language_scratch{'lex-yacc-done'} = 1;
5886 # FIXME: for now, no line number.
5887 require_conf_file ($configure_ac, FOREIGN, 'ylwrap');
5888 &define_variable ('YLWRAP', "$am_config_aux_dir/ylwrap", INTERNAL);
5891 sub lang_yacc_finish
5893 return if defined $language_scratch{'yacc-done'};
5894 $language_scratch{'yacc-done'} = 1;
5896 reject_var 'YACCFLAGS', "'YACCFLAGS' obsolete; use 'YFLAGS' instead";
5898 yacc_lex_finish_helper;
5904 return if defined $language_scratch{'lex-done'};
5905 $language_scratch{'lex-done'} = 1;
5907 yacc_lex_finish_helper;
5911 # Given a hash table of linker names, pick the name that has the most
5912 # precedence. This is lame, but something has to have global
5913 # knowledge in order to eliminate the conflict. Add more linkers as
5919 foreach my $l (qw(GCJLINK OBJCXXLINK CXXLINK F77LINK FCLINK OBJCLINK UPCLINK))
5921 return $l if defined $linkers{$l};
5926 # Called to indicate that an extension was used.
5930 $extension_seen{$ext} = 1;
5933 # register_language (%ATTRIBUTE)
5934 # ------------------------------
5935 # Register a single language.
5936 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
5937 sub register_language (%)
5942 $option{'autodep'} = 'no'
5943 unless defined $option{'autodep'};
5944 $option{'linker'} = ''
5945 unless defined $option{'linker'};
5946 $option{'flags'} = []
5947 unless defined $option{'flags'};
5948 $option{'output_extensions'} = sub { return ( '.$(OBJEXT)', '.lo' ) }
5949 unless defined $option{'output_extensions'};
5950 $option{'nodist_specific'} = 0
5951 unless defined $option{'nodist_specific'};
5953 my $lang = new Language (%option);
5956 $extension_map{$_} = $lang->name foreach @{$lang->extensions};
5957 $languages{$lang->name} = $lang;
5958 my $link = $lang->linker;
5961 if (exists $link_languages{$link})
5963 prog_error ("'$link' has different definitions in "
5964 . $lang->name . " and " . $link_languages{$link}->name)
5965 if $lang->link ne $link_languages{$link}->link;
5969 $link_languages{$link} = $lang;
5973 # Update the pattern of known extensions.
5974 accept_extensions (@{$lang->extensions});
5976 # Update the suffix rules map.
5977 foreach my $suffix (@{$lang->extensions})
5979 foreach my $dest (&{$lang->output_extensions} ($suffix))
5981 register_suffix_rule (INTERNAL, $suffix, $dest);
5986 # derive_suffix ($EXT, $OBJ)
5987 # --------------------------
5988 # This function is used to find a path from a user-specified suffix $EXT
5989 # to $OBJ or to some other suffix we recognize internally, e.g. 'cc'.
5990 sub derive_suffix ($$)
5992 my ($source_ext, $obj) = @_;
5994 while (!$extension_map{$source_ext} && $source_ext ne $obj)
5996 my $new_source_ext = next_in_suffix_chain ($source_ext, $obj);
5997 last if not defined $new_source_ext;
5998 $source_ext = $new_source_ext;
6005 ################################################################
6007 # Pretty-print something and append to output_rules.
6008 sub pretty_print_rule
6010 $output_rules .= &makefile_wrap (@_);
6014 ################################################################
6017 ## -------------------------------- ##
6018 ## Handling the conditional stack. ##
6019 ## -------------------------------- ##
6023 # make_conditional_string ($NEGATE, $COND)
6024 # ----------------------------------------
6025 sub make_conditional_string ($$)
6027 my ($negate, $cond) = @_;
6028 $cond = "${cond}_TRUE"
6029 unless $cond =~ /^TRUE|FALSE$/;
6030 $cond = Automake::Condition::conditional_negate ($cond)
6036 my %_am_macro_for_cond =
6038 AMDEP => "one of the compiler tests\n"
6039 . " AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC, AC_PROG_OBJCXX,\n"
6040 . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC",
6041 am__fastdepCC => 'AC_PROG_CC',
6042 am__fastdepCCAS => 'AM_PROG_AS',
6043 am__fastdepCXX => 'AC_PROG_CXX',
6044 am__fastdepGCJ => 'AM_PROG_GCJ',
6045 am__fastdepOBJC => 'AC_PROG_OBJC',
6046 am__fastdepOBJCXX => 'AC_PROG_OBJCXX',
6047 am__fastdepUPC => 'AM_PROG_UPC'
6051 # cond_stack_if ($NEGATE, $COND, $WHERE)
6052 # --------------------------------------
6053 sub cond_stack_if ($$$)
6055 my ($negate, $cond, $where) = @_;
6057 if (! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/)
6059 my $text = "$cond does not appear in AM_CONDITIONAL";
6060 my $scope = US_LOCAL;
6061 if (exists $_am_macro_for_cond{$cond})
6063 my $mac = $_am_macro_for_cond{$cond};
6064 $text .= "\n The usual way to define '$cond' is to add ";
6065 $text .= ($mac =~ / /) ? $mac : "'$mac'";
6066 $text .= "\n to '$configure_ac' and run 'aclocal' and 'autoconf' again";
6067 # These warnings appear in Automake files (depend2.am),
6068 # so there is no need to display them more than once:
6071 error $where, $text, uniq_scope => $scope;
6074 push (@cond_stack, make_conditional_string ($negate, $cond));
6076 return new Automake::Condition (@cond_stack);
6081 # cond_stack_else ($NEGATE, $COND, $WHERE)
6082 # ----------------------------------------
6083 sub cond_stack_else ($$$)
6085 my ($negate, $cond, $where) = @_;
6089 error $where, "else without if";
6093 $cond_stack[$#cond_stack] =
6094 Automake::Condition::conditional_negate ($cond_stack[$#cond_stack]);
6096 # If $COND is given, check against it.
6099 $cond = make_conditional_string ($negate, $cond);
6101 error ($where, "else reminder ($negate$cond) incompatible with "
6102 . "current conditional: $cond_stack[$#cond_stack]")
6103 if $cond_stack[$#cond_stack] ne $cond;
6106 return new Automake::Condition (@cond_stack);
6111 # cond_stack_endif ($NEGATE, $COND, $WHERE)
6112 # -----------------------------------------
6113 sub cond_stack_endif ($$$)
6115 my ($negate, $cond, $where) = @_;
6120 error $where, "endif without if";
6124 # If $COND is given, check against it.
6127 $cond = make_conditional_string ($negate, $cond);
6129 error ($where, "endif reminder ($negate$cond) incompatible with "
6130 . "current conditional: $cond_stack[$#cond_stack]")
6131 if $cond_stack[$#cond_stack] ne $cond;
6136 return new Automake::Condition (@cond_stack);
6143 ## ------------------------ ##
6144 ## Handling the variables. ##
6145 ## ------------------------ ##
6148 # &define_pretty_variable ($VAR, $COND, $WHERE, @VALUE)
6149 # -----------------------------------------------------
6150 # Like define_variable, but the value is a list, and the variable may
6151 # be defined conditionally. The second argument is the condition
6152 # under which the value should be defined; this should be the empty
6153 # string to define the variable unconditionally. The third argument
6154 # is a list holding the values to use for the variable. The value is
6155 # pretty printed in the output file.
6156 sub define_pretty_variable ($$$@)
6158 my ($var, $cond, $where, @value) = @_;
6160 if (! vardef ($var, $cond))
6162 Automake::Variable::define ($var, VAR_AUTOMAKE, '', $cond, "@value",
6163 '', $where, VAR_PRETTY);
6164 rvar ($var)->rdef ($cond)->set_seen;
6169 # define_variable ($VAR, $VALUE, $WHERE)
6170 # --------------------------------------
6171 # Define a new Automake Makefile variable VAR to VALUE, but only if
6172 # not already defined.
6173 sub define_variable ($$$)
6175 my ($var, $value, $where) = @_;
6176 define_pretty_variable ($var, TRUE, $where, $value);
6180 # define_files_variable ($VAR, \@BASENAME, $EXTENSION, $WHERE)
6181 # ------------------------------------------------------------
6182 # Define the $VAR which content is the list of file names composed of
6183 # a @BASENAME and the $EXTENSION.
6184 sub define_files_variable ($\@$$)
6186 my ($var, $basename, $extension, $where) = @_;
6187 define_variable ($var,
6188 join (' ', map { "$_.$extension" } @$basename),
6193 # Like define_variable, but define a variable to be the configure
6194 # substitution by the same name.
6195 sub define_configure_variable ($)
6198 # Some variables we do not want to output. For instance it
6199 # would be a bad idea to output `U = @U@` when `@U@` can be
6200 # substituted as `\`.
6201 my $pretty = exists $ignored_configure_vars{$var} ? VAR_SILENT : VAR_ASIS;
6202 Automake::Variable::define ($var, VAR_CONFIGURE, '', TRUE, subst $var,
6203 '', $configure_vars{$var}, $pretty);
6207 # define_compiler_variable ($LANG)
6208 # --------------------------------
6209 # Define a compiler variable. We also handle defining the 'LT'
6210 # version of the command when using libtool.
6211 sub define_compiler_variable ($)
6215 my ($var, $value) = ($lang->compiler, $lang->compile);
6216 my $libtool_tag = '';
6217 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6218 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6219 &define_variable ($var, $value, INTERNAL);
6220 if (var ('LIBTOOL'))
6222 my $verbose = define_verbose_libtool ();
6223 &define_variable ("LT$var",
6224 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6225 . "\$(LIBTOOLFLAGS) --mode=compile $value",
6228 define_verbose_tagvar ($lang->ccer || 'GEN');
6232 # define_linker_variable ($LANG)
6233 # ------------------------------
6234 # Define linker variables.
6235 sub define_linker_variable ($)
6239 my $libtool_tag = '';
6240 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6241 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6243 &define_variable ($lang->lder, $lang->ld, INTERNAL);
6244 # CCLINK = $(CCLD) blah blah...
6246 if (var ('LIBTOOL'))
6248 my $verbose = define_verbose_libtool ();
6249 $link = "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6250 . "\$(LIBTOOLFLAGS) --mode=link ";
6252 &define_variable ($lang->linker, $link . $lang->link, INTERNAL);
6253 &define_variable ($lang->compiler, $lang);
6254 &define_verbose_tagvar ($lang->lder || 'GEN');
6257 sub define_per_target_linker_variable ($$)
6259 my ($linker, $target) = @_;
6261 # If the user wrote a custom link command, we don't define ours.
6262 return "${target}_LINK"
6263 if set_seen "${target}_LINK";
6265 my $xlink = $linker ? $linker : 'LINK';
6267 my $lang = $link_languages{$xlink};
6268 prog_error "Unknown language for linker variable '$xlink'"
6271 my $link_command = $lang->link;
6274 my $libtool_tag = '';
6275 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6276 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6278 my $verbose = define_verbose_libtool ();
6280 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) \$(LIBTOOLFLAGS) "
6281 . "--mode=link " . $link_command;
6284 # Rewrite each occurrence of 'AM_$flag' in the link
6285 # command into '${derived}_$flag' if it exists.
6286 my $orig_command = $link_command;
6287 my @flags = (@{$lang->flags}, 'LDFLAGS');
6288 push @flags, 'LIBTOOLFLAGS' if var 'LIBTOOL';
6289 for my $flag (@flags)
6291 my $val = "${target}_$flag";
6292 $link_command =~ s/\(AM_$flag\)/\($val\)/
6296 # If the computed command is the same as the generic command, use
6297 # the command linker variable.
6298 return ($lang->linker, $lang->lder)
6299 if $link_command eq $orig_command;
6301 &define_variable ("${target}_LINK", $link_command, INTERNAL);
6302 return ("${target}_LINK", $lang->lder);
6305 ################################################################
6307 # &check_trailing_slash ($WHERE, $LINE)
6308 # -------------------------------------
6309 # Return 1 iff $LINE ends with a slash.
6310 # Might modify $LINE.
6311 sub check_trailing_slash ($\$)
6313 my ($where, $line) = @_;
6315 # Ignore '##' lines.
6316 return 0 if $$line =~ /$IGNORE_PATTERN/o;
6318 # Catch and fix a common error.
6319 msg "syntax", $where, "whitespace following trailing backslash"
6320 if $$line =~ s/\\\s+\n$/\\\n/;
6322 return $$line =~ /\\$/;
6326 # &read_am_file ($AMFILE, $WHERE)
6327 # -------------------------------
6328 # Read Makefile.am and set up %contents. Simultaneously copy lines
6329 # from Makefile.am into $output_trailer, or define variables as
6330 # appropriate. NOTE we put rules in the trailer section. We want
6331 # user rules to come after our generated stuff.
6332 sub read_am_file ($$)
6334 my ($amfile, $where) = @_;
6336 my $am_file = new Automake::XFile ("< $amfile");
6337 verb "reading $amfile";
6339 # Keep track of the youngest output dependency.
6340 my $mtime = mtime $amfile;
6341 $output_deps_greatest_timestamp = $mtime
6342 if $mtime > $output_deps_greatest_timestamp;
6348 my $var_look = VAR_ASIS;
6350 use constant IN_VAR_DEF => 0;
6351 use constant IN_RULE_DEF => 1;
6352 use constant IN_COMMENT => 2;
6353 my $prev_state = IN_RULE_DEF;
6355 while ($_ = $am_file->getline)
6357 $where->set ("$amfile:$.");
6358 if (/$IGNORE_PATTERN/o)
6360 # Merely delete comments beginning with two hashes.
6362 elsif (/$WHITE_PATTERN/o)
6364 error $where, "blank line following trailing backslash"
6366 # Stick a single white line before the incoming macro or rule.
6369 # Flush all comments seen so far.
6372 $output_vars .= $comment;
6376 elsif (/$COMMENT_PATTERN/o)
6378 # Stick comments before the incoming macro or rule. Make
6379 # sure a blank line precedes the first block of comments.
6380 $spacing = "\n" unless $blank;
6382 $comment .= $spacing . $_;
6384 $prev_state = IN_COMMENT;
6390 $saw_bk = check_trailing_slash ($where, $_);
6393 # We save the conditional stack on entry, and then check to make
6394 # sure it is the same on exit. This lets us conditionally include
6396 my @saved_cond_stack = @cond_stack;
6397 my $cond = new Automake::Condition (@cond_stack);
6399 my $last_var_name = '';
6400 my $last_var_type = '';
6401 my $last_var_value = '';
6403 # FIXME: shouldn't use $_ in this loop; it is too big.
6406 $where->set ("$amfile:$.");
6408 # Make sure the line is \n-terminated.
6412 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6413 # used by users. @MAINT@ is an anachronism now.
6414 $_ =~ s/\@MAINT\@//g
6415 unless $seen_maint_mode;
6417 my $new_saw_bk = check_trailing_slash ($where, $_);
6419 if (/$IGNORE_PATTERN/o)
6421 # Merely delete comments beginning with two hashes.
6423 # Keep any backslash from the previous line.
6424 $new_saw_bk = $saw_bk;
6426 elsif (/$WHITE_PATTERN/o)
6428 # Stick a single white line before the incoming macro or rule.
6430 error $where, "blank line following trailing backslash"
6433 elsif (/$COMMENT_PATTERN/o)
6435 error $where, "comment following trailing backslash"
6436 if $saw_bk && $prev_state != IN_COMMENT;
6438 # Stick comments before the incoming macro or rule.
6439 $comment .= $spacing . $_;
6441 $prev_state = IN_COMMENT;
6445 if ($prev_state == IN_RULE_DEF)
6447 my $cond = new Automake::Condition @cond_stack;
6448 $output_trailer .= $cond->subst_string;
6449 $output_trailer .= $_;
6451 elsif ($prev_state == IN_COMMENT)
6453 # If the line doesn't start with a '#', add it.
6454 # We do this because a continued comment like
6458 # is not portable. BSD make doesn't honor
6459 # escaped newlines in comments.
6461 $comment .= $spacing . $_;
6463 else # $prev_state == IN_VAR_DEF
6465 $last_var_value .= ' '
6466 unless $last_var_value =~ /\s$/;
6467 $last_var_value .= $_;
6471 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6472 $last_var_type, $cond,
6473 $last_var_value, $comment,
6474 $last_where, VAR_ASIS)
6476 $comment = $spacing = '';
6481 elsif (/$IF_PATTERN/o)
6483 $cond = cond_stack_if ($1, $2, $where);
6485 elsif (/$ELSE_PATTERN/o)
6487 $cond = cond_stack_else ($1, $2, $where);
6489 elsif (/$ENDIF_PATTERN/o)
6491 $cond = cond_stack_endif ($1, $2, $where);
6494 elsif (/$RULE_PATTERN/o)
6497 $prev_state = IN_RULE_DEF;
6499 # For now we have to output all definitions of user rules
6500 # and can't diagnose duplicates (see the comment in
6501 # Automake::Rule::define). So we go on and ignore the return value.
6502 Automake::Rule::define ($1, $amfile, RULE_USER, $cond, $where);
6504 check_variable_expansions ($_, $where);
6506 $output_trailer .= $comment . $spacing;
6507 my $cond = new Automake::Condition @cond_stack;
6508 $output_trailer .= $cond->subst_string;
6509 $output_trailer .= $_;
6510 $comment = $spacing = '';
6512 elsif (/$ASSIGNMENT_PATTERN/o)
6514 # Found a macro definition.
6515 $prev_state = IN_VAR_DEF;
6516 $last_var_name = $1;
6517 $last_var_type = $2;
6518 $last_var_value = $3;
6519 $last_where = $where->clone;
6520 if ($3 ne '' && substr ($3, -1) eq "\\")
6522 # We preserve the '\' because otherwise the long lines
6523 # that are generated will be truncated by broken
6525 $last_var_value = $3 . "\n";
6527 # Normally we try to output variable definitions in the
6528 # same format they were input. However, POSIX compliant
6529 # systems are not required to support lines longer than
6530 # 2048 bytes (most notably, some sed implementation are
6531 # limited to 4000 bytes, and sed is used by config.status
6532 # to rewrite Makefile.in into Makefile). Moreover nobody
6533 # would really write such long lines by hand since it is
6534 # hardly maintainable. So if a line is longer that 1000
6535 # bytes (an arbitrary limit), assume it has been
6536 # automatically generated by some tools, and flatten the
6537 # variable definition. Otherwise, keep the variable as it
6539 $var_look = VAR_PRETTY if length ($last_var_value) >= 1000;
6543 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6544 $last_var_type, $cond,
6545 $last_var_value, $comment,
6546 $last_where, $var_look)
6548 $comment = $spacing = '';
6549 $var_look = VAR_ASIS;
6552 elsif (/$INCLUDE_PATTERN/o)
6556 if ($path =~ s/^\$\(top_srcdir\)\///)
6558 push (@include_stack, "\$\(top_srcdir\)/$path");
6559 # Distribute any included file.
6561 # Always use the $(top_srcdir) prefix in DIST_COMMON,
6562 # otherwise OSF make will implicitly copy the included
6563 # file in the build tree during "make distdir" to satisfy
6565 # (subdir-am-cond.sh and subdir-ac-cond.sh will fail)
6566 push_dist_common ("\$\(top_srcdir\)/$path");
6570 $path =~ s/\$\(srcdir\)\///;
6571 push (@include_stack, "\$\(srcdir\)/$path");
6572 # Always use the $(srcdir) prefix in DIST_COMMON,
6573 # otherwise OSF make will implicitly copy the included
6574 # file in the build tree during "make distdir" to satisfy
6576 # (subdir-am-cond.sh and subdir-ac-cond.sh will fail)
6577 push_dist_common ("\$\(srcdir\)/$path");
6578 $path = $relative_dir . "/" . $path if $relative_dir ne '.';
6580 $where->push_context ("'$path' included from here");
6581 &read_am_file ($path, $where);
6582 $where->pop_context;
6586 # This isn't an error; it is probably a continued rule.
6587 # In fact, this is what we assume.
6588 $prev_state = IN_RULE_DEF;
6589 check_variable_expansions ($_, $where);
6590 $output_trailer .= $comment . $spacing;
6591 my $cond = new Automake::Condition @cond_stack;
6592 $output_trailer .= $cond->subst_string;
6593 $output_trailer .= $_;
6594 $comment = $spacing = '';
6595 error $where, "'#' comment at start of rule is unportable"
6596 if $_ =~ /^\t\s*\#/;
6599 $saw_bk = $new_saw_bk;
6600 $_ = $am_file->getline;
6603 $output_trailer .= $comment;
6605 error ($where, "trailing backslash on last line")
6608 error ($where, (@cond_stack ? "unterminated conditionals: @cond_stack"
6609 : "too many conditionals closed in include file"))
6610 if "@saved_cond_stack" ne "@cond_stack";
6614 # define_standard_variables ()
6615 # ----------------------------
6616 # A helper for read_main_am_file which initializes configure variables
6617 # and variables from header-vars.am.
6618 sub define_standard_variables
6620 my $saved_output_vars = $output_vars;
6621 my ($comments, undef, $rules) =
6622 file_contents_internal (1, "$libdir/am/header-vars.am",
6623 new Automake::Location);
6625 foreach my $var (sort keys %configure_vars)
6627 &define_configure_variable ($var);
6630 $output_vars .= $comments . $rules;
6633 # Read main am file.
6634 sub read_main_am_file ($$)
6636 my ($amfile, $infile) = @_;
6638 # This supports the strange variable tricks we are about to play.
6639 prog_error ("variable defined before read_main_am_file\n" . variables_dump ())
6640 if (scalar (variables) > 0);
6642 # Generate copyright header for generated Makefile.in.
6643 # We do discard the output of predefined variables, handled below.
6644 $output_vars = ("# " . basename ($infile) . " generated by automake "
6645 . $VERSION . " from " . basename ($amfile) . ".\n");
6646 $output_vars .= '# ' . subst ('configure_input') . "\n";
6647 $output_vars .= $gen_copyright;
6649 # We want to predefine as many variables as possible. This lets
6650 # the user set them with '+=' in Makefile.am.
6651 &define_standard_variables;
6653 # Read user file, which might override some of our values.
6654 &read_am_file ($amfile, new Automake::Location);
6659 ################################################################
6662 # &flatten ($STRING)
6663 # ------------------
6664 # Flatten the $STRING and return the result.
6678 # transform_token ($TOKEN, \%PAIRS, $KEY)
6679 # =======================================
6680 # Return the value associated to $KEY in %PAIRS, as used on $TOKEN
6681 # (which should be ?KEY? or any of the special %% requests)..
6682 sub transform_token ($$$)
6684 my ($token, $transform, $key) = @_;
6685 my $res = $transform->{$key};
6686 prog_error "Unknown key '$key' in '$token'" unless defined $res;
6691 # transform ($TOKEN, \%PAIRS)
6692 # ===========================
6693 # If ($TOKEN, $VAL) is in %PAIRS:
6694 # - replaces %KEY% with $VAL,
6695 # - enables/disables ?KEY? and ?!KEY?,
6696 # - replaces %?KEY% with TRUE or FALSE.
6699 my ($token, $transform) = @_;
6702 # Must be before the following pattern to exclude the case
6703 # when there is neither IFTRUE nor IFFALSE.
6704 if ($token =~ /^%([\w\-]+)%$/)
6706 return transform_token ($token, $transform, $1);
6709 elsif ($token =~ /^%\?([\w\-]+)%$/)
6711 return transform_token ($token, $transform, $1) ? 'TRUE' : 'FALSE';
6714 elsif ($token =~ /^ \? (!?) ([\w\-]+) \? $/x)
6716 my $neg = ($1 eq '!') ? 1 : 0;
6717 my $val = transform_token ($token, $transform, $2);
6718 return (!!$val == $neg) ? '##%' : '';
6722 prog_error "Unknown request format: $token";
6727 # preprocess_file ($MAKEFILE, [%TRANSFORM])
6728 # -----------------------------------------
6729 # Load a $MAKEFILE, apply the %TRANSFORM, and return the result.
6730 # No extra parsing or post-processing is done (i.e., recognition of
6731 # rules declaration or of make variables definitions).
6732 sub preprocess_file ($%)
6734 my ($file, %transform) = @_;
6736 # Complete %transform with global options.
6737 # Note that %transform goes last, so it overrides global options.
6738 %transform = ( 'MAINTAINER-MODE'
6739 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
6741 'XZ' => !! option 'dist-xz',
6742 'LZIP' => !! option 'dist-lzip',
6743 'BZIP2' => !! option 'dist-bzip2',
6744 'COMPRESS' => !! option 'dist-tarZ',
6745 'GZIP' => ! option 'no-dist-gzip',
6746 'SHAR' => !! option 'dist-shar',
6747 'ZIP' => !! option 'dist-zip',
6749 'INSTALL-INFO' => ! option 'no-installinfo',
6750 'INSTALL-MAN' => ! option 'no-installman',
6751 'CK-NEWS' => !! option 'check-news',
6753 'SUBDIRS' => !! var ('SUBDIRS'),
6754 'TOPDIR_P' => $relative_dir eq '.',
6756 'BUILD' => ($seen_canonical >= AC_CANONICAL_BUILD),
6757 'HOST' => ($seen_canonical >= AC_CANONICAL_HOST),
6758 'TARGET' => ($seen_canonical >= AC_CANONICAL_TARGET),
6760 'LIBTOOL' => !! var ('LIBTOOL'),
6764 if (! defined ($_ = $am_file_cache{$file}))
6766 verb "reading $file";
6767 # Swallow the whole file.
6768 my $fc_file = new Automake::XFile "< $file";
6769 my $saved_dollar_slash = $/;
6771 $_ = $fc_file->getline;
6772 $/ = $saved_dollar_slash;
6774 # Remove ##-comments.
6775 # Besides we don't need more than two consecutive new-lines.
6776 s/(?:$IGNORE_PATTERN|(?<=\n\n)\n+)//gom;
6777 # Remember the contents of the just-read file.
6778 $am_file_cache{$file} = $_;
6781 # Substitute Automake template tokens.
6782 s/(?: % \?? [\w\-]+ %
6784 )/transform($&, \%transform)/gex;
6785 # transform() may have added some ##%-comments to strip.
6786 # (we use '##%' instead of '##' so we can distinguish ##%##%##% from
6787 # ####### and do not remove the latter.)
6788 s/^[ \t]*(?:##%)+.*\n//gm;
6795 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
6796 # ------------------------------------------
6797 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
6799 sub make_paragraphs ($%)
6801 my ($file, %transform) = @_;
6802 $transform{FIRST} = !$transformed_files{$file};
6803 $transformed_files{$file} = 1;
6805 my @lines = split /(?<!\\)\n/, preprocess_file ($file, %transform);
6808 while (defined ($_ = shift @lines))
6811 # If we are a rule, eat as long as we start with a tab.
6812 if (/$RULE_PATTERN/smo)
6814 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
6816 $paragraph .= "\n$_";
6818 unshift (@lines, $_);
6821 # If we are a comments, eat as much comments as you can.
6822 elsif (/$COMMENT_PATTERN/smo)
6824 while (defined ($_ = shift @lines)
6825 && $_ =~ /$COMMENT_PATTERN/smo)
6827 $paragraph .= "\n$_";
6829 unshift (@lines, $_);
6832 push @res, $paragraph;
6840 # ($COMMENT, $VARIABLES, $RULES)
6841 # &file_contents_internal ($IS_AM, $FILE, $WHERE, [%TRANSFORM])
6842 # -------------------------------------------------------------
6843 # Return contents of a file from $libdir/am, automatically skipping
6844 # macros or rules which are already known. $IS_AM iff the caller is
6845 # reading an Automake file (as opposed to the user's Makefile.am).
6846 sub file_contents_internal ($$$%)
6848 my ($is_am, $file, $where, %transform) = @_;
6850 $where->set ($file);
6852 my $result_vars = '';
6853 my $result_rules = '';
6857 # The following flags are used to track rules spanning across
6858 # multiple paragraphs.
6859 my $is_rule = 0; # 1 if we are processing a rule.
6860 my $discard_rule = 0; # 1 if the current rule should not be output.
6862 # We save the conditional stack on entry, and then check to make
6863 # sure it is the same on exit. This lets us conditionally include
6865 my @saved_cond_stack = @cond_stack;
6866 my $cond = new Automake::Condition (@cond_stack);
6868 foreach (make_paragraphs ($file, %transform))
6870 # FIXME: no line number available.
6871 $where->set ($file);
6874 error $where, "blank line following trailing backslash:\n$_"
6876 error $where, "comment following trailing backslash:\n$_"
6882 # Stick empty line before the incoming macro or rule.
6885 elsif (/$COMMENT_PATTERN/mso)
6888 # Stick comments before the incoming macro or rule.
6892 # Handle inclusion of other files.
6893 elsif (/$INCLUDE_PATTERN/o)
6897 my $file = ($is_am ? "$libdir/am/" : '') . $1;
6898 $where->push_context ("'$file' included from here");
6900 my ($com, $vars, $rules)
6901 = file_contents_internal ($is_am, $file, $where, %transform);
6902 $where->pop_context;
6904 $result_vars .= $vars;
6905 $result_rules .= $rules;
6909 # Handling the conditionals.
6910 elsif (/$IF_PATTERN/o)
6912 $cond = cond_stack_if ($1, $2, $file);
6914 elsif (/$ELSE_PATTERN/o)
6916 $cond = cond_stack_else ($1, $2, $file);
6918 elsif (/$ENDIF_PATTERN/o)
6920 $cond = cond_stack_endif ($1, $2, $file);
6924 elsif (/$RULE_PATTERN/mso)
6928 # Separate relationship from optional actions: the first
6929 # `new-line tab" not preceded by backslash (continuation
6932 /^(.*?)(?:(?<!\\)\n(\t.*))?$/s;
6933 my ($relationship, $actions) = ($1, $2 || '');
6935 # Separate targets from dependencies: the first colon.
6936 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
6937 my ($targets, $dependencies) = ($1, $2);
6938 # Remove the escaped new lines.
6939 # I don't know why, but I have to use a tmp $flat_deps.
6940 my $flat_deps = &flatten ($dependencies);
6941 my @deps = split (' ', $flat_deps);
6943 foreach (split (' ', $targets))
6945 # FIXME: 1. We are not robust to people defining several targets
6946 # at once, only some of them being in %dependencies. The
6947 # actions from the targets in %dependencies are usually generated
6948 # from the content of %actions, but if some targets in $targets
6949 # are not in %dependencies the ELSE branch will output
6950 # a rule for all $targets (i.e. the targets which are both
6951 # in %dependencies and $targets will have two rules).
6953 # FIXME: 2. The logic here is not able to output a
6954 # multi-paragraph rule several time (e.g. for each condition
6955 # it is defined for) because it only knows the first paragraph.
6957 # FIXME: 3. We are not robust to people defining a subset
6958 # of a previously defined "multiple-target" rule. E.g.
6959 # 'foo:' after 'foo bar:'.
6961 # Output only if not in FALSE.
6962 if (defined $dependencies{$_} && $cond != FALSE)
6964 &depend ($_, @deps);
6965 register_action ($_, $actions);
6969 # Free-lance dependency. Output the rule for all the
6970 # targets instead of one by one.
6971 my @undefined_conds =
6972 Automake::Rule::define ($targets, $file,
6973 $is_am ? RULE_AUTOMAKE : RULE_USER,
6975 for my $undefined_cond (@undefined_conds)
6977 my $condparagraph = $paragraph;
6978 $condparagraph =~ s/^/$undefined_cond->subst_string/gme;
6979 $result_rules .= "$spacing$comment$condparagraph\n";
6981 if (scalar @undefined_conds == 0)
6983 # Remember to discard next paragraphs
6984 # if they belong to this rule.
6985 # (but see also FIXME: #2 above.)
6988 $comment = $spacing = '';
6994 elsif (/$ASSIGNMENT_PATTERN/mso)
6996 my ($var, $type, $val) = ($1, $2, $3);
6997 error $where, "variable '$var' with trailing backslash"
7002 Automake::Variable::define ($var,
7003 $is_am ? VAR_AUTOMAKE : VAR_MAKEFILE,
7004 $type, $cond, $val, $comment, $where,
7008 $comment = $spacing = '';
7012 # This isn't an error; it is probably some tokens which
7013 # configure is supposed to replace, such as '@SET-MAKE@',
7014 # or some part of a rule cut by an if/endif.
7015 if (! $cond->false && ! ($is_rule && $discard_rule))
7017 s/^/$cond->subst_string/gme;
7018 $result_rules .= "$spacing$comment$_\n";
7020 $comment = $spacing = '';
7024 error ($where, @cond_stack ?
7025 "unterminated conditionals: @cond_stack" :
7026 "too many conditionals closed in include file")
7027 if "@saved_cond_stack" ne "@cond_stack";
7029 return ($comment, $result_vars, $result_rules);
7034 # &file_contents ($BASENAME, $WHERE, [%TRANSFORM])
7035 # ------------------------------------------------
7036 # Return contents of a file from $libdir/am, automatically skipping
7037 # macros or rules which are already known.
7038 sub file_contents ($$%)
7040 my ($basename, $where, %transform) = @_;
7041 my ($comments, $variables, $rules) =
7042 file_contents_internal (1, "$libdir/am/$basename.am", $where,
7044 return "$comments$variables$rules";
7049 # &am_primary_prefixes ($PRIMARY, $CAN_DIST, @PREFIXES)
7050 # -----------------------------------------------------
7051 # Find all variable prefixes that are used for install directories. A
7052 # prefix 'zar' qualifies iff:
7054 # * 'zardir' is a variable.
7055 # * 'zar_PRIMARY' is a variable.
7057 # As a side effect, it looks for misspellings. It is an error to have
7058 # a variable ending in a "reserved" suffix whose prefix is unknown, e.g.
7059 # "bni_PROGRAMS". However, unusual prefixes are allowed if a variable
7060 # of the same name (with "dir" appended) exists. For instance, if the
7061 # variable "zardir" is defined, then "zar_PROGRAMS" becomes valid.
7062 # This is to provide a little extra flexibility in those cases which
7064 sub am_primary_prefixes ($$@)
7066 my ($primary, $can_dist, @prefixes) = @_;
7069 my %valid = map { $_ => 0 } @prefixes;
7070 $valid{'EXTRA'} = 0;
7071 foreach my $var (variables $primary)
7073 # Automake is allowed to define variables that look like primaries
7074 # but which aren't. E.g. INSTALL_sh_DATA.
7075 # Autoconf can also define variables like INSTALL_DATA, so
7076 # ignore all configure variables (at least those which are not
7077 # redefined in Makefile.am).
7078 # FIXME: We should make sure that these variables are not
7079 # conditionally defined (or else adjust the condition below).
7080 my $def = $var->def (TRUE);
7081 next if $def && $def->owner != VAR_MAKEFILE;
7083 my $varname = $var->name;
7085 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_[[:alnum:]]+$/)
7087 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
7088 if ($dist ne '' && ! $can_dist)
7091 "invalid variable '$varname': 'dist' is forbidden");
7093 # Standard directories must be explicitly allowed.
7094 elsif (! defined $valid{$X} && exists $standard_prefix{$X})
7097 "'${X}dir' is not a legitimate directory " .
7100 # A not explicitly valid directory is allowed if Xdir is defined.
7101 elsif (! defined $valid{$X} &&
7102 $var->requires_variables ("'$varname' is used", "${X}dir"))
7104 # Nothing to do. Any error message has been output
7105 # by $var->requires_variables.
7109 # Ensure all extended prefixes are actually used.
7110 $valid{"$base$dist$X"} = 1;
7115 prog_error "unexpected variable name: $varname";
7119 # Return only those which are actually defined.
7120 return sort grep { var ($_ . '_' . $primary) } keys %valid;
7124 # Handle 'where_HOW' variable magic. Does all lookups, generates
7125 # install code, and possibly generates code to define the primary
7126 # variable. The first argument is the name of the .am file to munge,
7127 # the second argument is the primary variable (e.g. HEADERS), and all
7128 # subsequent arguments are possible installation locations.
7130 # Returns list of [$location, $value] pairs, where
7131 # $value's are the values in all where_HOW variable, and $location
7132 # there associated location (the place here their parent variables were
7135 # FIXME: this should be rewritten to be cleaner. It should be broken
7136 # up into multiple functions.
7138 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7145 my $default_dist = 0;
7148 if ($args[0] eq '-noextra')
7152 elsif ($args[0] eq '-candist')
7156 elsif ($args[0] eq '-defaultdist')
7161 elsif ($args[0] !~ /^-/)
7168 my ($file, $primary, @prefix) = @args;
7170 # Now that configure substitutions are allowed in where_HOW
7171 # variables, it is an error to actually define the primary. We
7172 # allow 'JAVA', as it is customarily used to mean the Java
7173 # interpreter. This is but one of several Java hacks. Similarly,
7174 # 'PYTHON' is customarily used to mean the Python interpreter.
7175 reject_var $primary, "'$primary' is an anachronism"
7176 unless $primary eq 'JAVA' || $primary eq 'PYTHON';
7178 # Get the prefixes which are valid and actually used.
7179 @prefix = am_primary_prefixes ($primary, $can_dist, @prefix);
7181 # If a primary includes a configure substitution, then the EXTRA_
7182 # form is required. Otherwise we can't properly do our job.
7188 foreach my $X (@prefix)
7190 my $nodir_name = $X;
7191 my $one_name = $X . '_' . $primary;
7192 my $one_var = var $one_name;
7194 my $strip_subdir = 1;
7195 # If subdir prefix should be preserved, do so.
7196 if ($nodir_name =~ /^nobase_/)
7199 $nodir_name =~ s/^nobase_//;
7202 # If files should be distributed, do so.
7206 $dist_p = (($default_dist && $nodir_name !~ /^nodist_/)
7207 || (! $default_dist && $nodir_name =~ /^dist_/));
7208 $nodir_name =~ s/^(dist|nodist)_//;
7212 # Use the location of the currently processed variable.
7213 # We are not processing a particular condition, so pick the first
7215 my $tmpcond = $one_var->conditions->one_cond;
7216 my $where = $one_var->rdef ($tmpcond)->location->clone;
7218 # Append actual contents of where_PRIMARY variable to
7219 # @result, skipping @substitutions@.
7220 foreach my $locvals ($one_var->value_as_list_recursive (location => 1))
7222 my ($loc, $value) = @$locvals;
7223 # Skip configure substitutions.
7224 if ($value =~ /^\@.*\@$/)
7226 if ($nodir_name eq 'EXTRA')
7229 "'$one_name' contains configure substitution, "
7232 # Check here to make sure variables defined in
7233 # configure.ac do not imply that EXTRA_PRIMARY
7235 elsif (! defined $configure_vars{$one_name})
7237 $require_extra = $one_name
7243 # Strip any $(EXEEXT) suffix the user might have added, or this
7244 # will confuse &handle_source_transform and &check_canonical_spelling.
7245 # We'll add $(EXEEXT) back later anyway.
7246 # Do it here rather than in handle_programs so the uniquifying at the
7247 # end of this function works.
7248 ${$locvals}[1] =~ s/\$\(EXEEXT\)$//
7249 if $primary eq 'PROGRAMS';
7251 push (@result, $locvals);
7254 # A blatant hack: we rewrite each _PROGRAMS primary to include
7256 append_exeext { 1 } $one_name
7257 if $primary eq 'PROGRAMS';
7258 # "EXTRA" shouldn't be used when generating clean targets,
7259 # all, or install targets. We used to warn if EXTRA_FOO was
7260 # defined uselessly, but this was annoying.
7262 if $nodir_name eq 'EXTRA';
7264 if ($nodir_name eq 'check')
7266 push (@check, '$(' . $one_name . ')');
7270 push (@used, '$(' . $one_name . ')');
7273 # Is this to be installed?
7274 my $install_p = $nodir_name ne 'noinst' && $nodir_name ne 'check';
7276 # If so, with install-exec? (or install-data?).
7277 my $exec_p = ($nodir_name =~ /$EXEC_DIR_PATTERN/o);
7279 my $check_options_p = $install_p && !! option 'std-options';
7281 # Use the location of the currently processed variable as context.
7282 $where->push_context ("while processing '$one_name'");
7284 # The variable containing all files to distribute.
7285 my $distvar = "\$($one_name)";
7286 $distvar = shadow_unconditionally ($one_name, $where)
7287 if ($dist_p && $one_var->has_conditional_contents);
7289 # Singular form of $PRIMARY.
7290 (my $one_primary = $primary) =~ s/S$//;
7291 $output_rules .= &file_contents ($file, $where,
7292 PRIMARY => $primary,
7293 ONE_PRIMARY => $one_primary,
7295 NDIR => $nodir_name,
7296 BASE => $strip_subdir,
7299 INSTALL => $install_p,
7301 DISTVAR => $distvar,
7302 'CK-OPTS' => $check_options_p);
7305 # The JAVA variable is used as the name of the Java interpreter.
7306 # The PYTHON variable is used as the name of the Python interpreter.
7307 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7310 define_pretty_variable ($primary, TRUE, INTERNAL, @used);
7311 $output_vars .= "\n";
7314 err_var ($require_extra,
7315 "'$require_extra' contains configure substitution,\n"
7316 . "but 'EXTRA_$primary' not defined")
7317 if ($require_extra && ! var ('EXTRA_' . $primary));
7319 # Push here because PRIMARY might be configure time determined.
7320 push (@all, '$(' . $primary . ')')
7321 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7323 # Make the result unique. This lets the user use conditionals in
7324 # a natural way, but still lets us program lazily -- we don't have
7325 # to worry about handling a particular object more than once.
7326 # We will keep only one location per object.
7328 for my $pair (@result)
7330 my ($loc, $val) = @$pair;
7331 $result{$val} = $loc;
7333 my @l = sort keys %result;
7334 return map { [$result{$_}->clone, $_] } @l;
7338 ################################################################
7340 # Each key in this hash is the name of a directory holding a
7341 # Makefile.in. These variables are local to 'is_make_dir'.
7343 my $make_dirs_set = 0;
7348 if (! $make_dirs_set)
7350 foreach my $iter (@configure_input_files)
7352 $make_dirs{dirname ($iter)} = 1;
7354 # We also want to notice Makefile.in's.
7355 foreach my $iter (@other_input_files)
7357 if ($iter =~ /Makefile\.in$/)
7359 $make_dirs{dirname ($iter)} = 1;
7364 return defined $make_dirs{$dir};
7367 ################################################################
7369 # Find the aux dir. This should match the algorithm used by
7370 # ./configure. (See the Autoconf documentation for for
7371 # AC_CONFIG_AUX_DIR.)
7372 sub locate_aux_dir ()
7374 if (! $config_aux_dir_set_in_configure_ac)
7376 # The default auxiliary directory is the first
7377 # of ., .., or ../.. that contains install-sh.
7378 # Assume . if install-sh doesn't exist yet.
7379 for my $dir (qw (. .. ../..))
7381 if (-f "$dir/install-sh")
7383 $config_aux_dir = $dir;
7387 $config_aux_dir = '.' unless $config_aux_dir;
7389 # Avoid unsightly '/.'s.
7390 $am_config_aux_dir =
7391 '$(top_srcdir)' . ($config_aux_dir eq '.' ? "" : "/$config_aux_dir");
7392 $am_config_aux_dir =~ s,/*$,,;
7396 # &push_required_file ($DIR, $FILE, $FULLFILE)
7397 # --------------------------------------------------
7398 # Push the given file onto DIST_COMMON.
7399 sub push_required_file
7401 my ($dir, $file, $fullfile) = @_;
7403 # If the file to be distributed is in the same directory of the
7404 # currently processed Makefile.am, then we want to distribute it
7405 # from this same Makefile.am.
7406 if ($dir eq $relative_dir)
7408 push_dist_common ($file);
7410 # This is needed to allow a construct in a non-top-level Makefile.am
7411 # to require a file in the build-aux directory (see at least the test
7412 # script 'test-driver-is-distributed.sh'). This is related to the
7413 # automake bug#9546. Note that the use of $config_aux_dir instead
7414 # of $am_config_aux_dir here is deliberate and necessary.
7415 elsif ($dir eq $config_aux_dir)
7417 push_dist_common ("$am_config_aux_dir/$file");
7419 # FIXME: another spacial case, for AC_LIBOBJ/AC_LIBSOURCE support.
7420 # We probably need some refactoring of this function and its callers,
7421 # to have a more explicit and systematic handling of all the special
7422 # cases; but, since there are only two of them, this is low-priority
7424 elsif ($config_libobj_dir && $dir eq $config_libobj_dir)
7426 # Avoid unsightly '/.'s.
7427 my $am_config_libobj_dir =
7429 ($config_libobj_dir eq '.' ? "" : "/$config_libobj_dir");
7430 $am_config_libobj_dir =~ s|/*$||;
7431 push_dist_common ("$am_config_libobj_dir/$file");
7433 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7435 # If we are doing the topmost directory, and the file is in a
7436 # subdir which does not have a Makefile, then we distribute it
7439 # If a required file is above the source tree, it is important
7440 # to prefix it with '$(srcdir)' so that no VPATH search is
7441 # performed. Otherwise problems occur with Make implementations
7442 # that rewrite and simplify rules whose dependencies are found in a
7443 # VPATH location. Here is an example with OSF1/Tru64 Make.
7455 # Dependency '../a' was found in 'sub/../a', but this make
7456 # implementation simplified it as 'a'. (Note that the sub/
7457 # directory does not even exist.)
7459 # This kind of VPATH rewriting seems hard to cancel. The
7460 # distdir.am hack against VPATH rewriting works only when no
7461 # simplification is done, i.e., for dependencies which are in
7462 # subdirectories, not in enclosing directories. Hence, in
7463 # the latter case we use a full path to make sure no VPATH
7465 $fullfile = '$(srcdir)/' . $fullfile
7466 if $dir =~ m,^\.\.(?:$|/),;
7468 push_dist_common ($fullfile);
7472 prog_error "a Makefile in relative directory $relative_dir " .
7473 "can't add files in directory $dir to DIST_COMMON";
7478 # If a file name appears as a key in this hash, then it has already
7479 # been checked for. This allows us not to report the same error more
7481 my %required_file_not_found = ();
7483 # &required_file_check_or_copy ($WHERE, $DIRECTORY, $FILE)
7484 # --------------------------------------------------------
7485 # Verify that the file must exist in $DIRECTORY, or install it.
7486 sub required_file_check_or_copy ($$$)
7488 my ($where, $dir, $file) = @_;
7490 my $fullfile = "$dir/$file";
7492 my $dangling_sym = 0;
7494 if (-l $fullfile && ! -f $fullfile)
7498 elsif (dir_has_case_matching_file ($dir, $file))
7503 # '--force-missing' only has an effect if '--add-missing' is
7506 if $found_it && (! $add_missing || ! $force_missing);
7508 # If we've already looked for it, we're done. You might
7509 # wonder why we don't do this before searching for the
7510 # file. If we do that, then something like
7511 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
7515 return if defined $required_file_not_found{$fullfile};
7516 $required_file_not_found{$fullfile} = 1;
7518 if ($dangling_sym && $add_missing)
7527 # Only install missing files according to our desired
7529 my $message = "required file '$fullfile' not found";
7532 if (-f "$libdir/$file")
7536 # Install the missing file. Symlink if we
7537 # can, copy if we must. Note: delete the file
7538 # first, in case it is a dangling symlink.
7539 $message = "installing '$fullfile'";
7541 # The license file should not be volatile.
7542 if ($file eq "COPYING")
7544 $message .= " using GNU General Public License v3 file";
7545 $trailer2 = "\n Consider adding the COPYING file"
7546 . " to the version control system"
7547 . "\n for your code, to avoid questions"
7548 . " about which license your project uses";
7551 # Windows Perl will hang if we try to delete a
7552 # file that doesn't exist.
7553 unlink ($fullfile) if -f $fullfile;
7554 if ($symlink_exists && ! $copy_missing)
7556 if (! symlink ("$libdir/$file", $fullfile)
7560 $trailer = "; error while making link: $!";
7563 elsif (system ('cp', "$libdir/$file", $fullfile))
7566 $trailer = "\n error while copying";
7568 set_dir_cache_file ($dir, $file);
7573 $trailer = "\n 'automake --add-missing' can install '$file'"
7574 if -f "$libdir/$file";
7577 # If --force-missing was specified, and we have
7578 # actually found the file, then do nothing.
7580 if $found_it && $force_missing;
7582 # If we couldn't install the file, but it is a target in
7583 # the Makefile, don't print anything. This allows files
7584 # like README, AUTHORS, or THANKS to be generated.
7586 if !$suppress && rule $file;
7588 msg ($suppress ? 'note' : 'error', $where, "$message$trailer$trailer2");
7592 # &require_file_internal ($WHERE, $MYSTRICT, $DIRECTORY, $QUEUE, @FILES)
7593 # ----------------------------------------------------------------------
7594 # Verify that the file must exist in $DIRECTORY, or install it.
7595 # $MYSTRICT is the strictness level at which this file becomes required.
7596 # Worker threads may queue up the action to be serialized by the master,
7598 sub require_file_internal ($$$@)
7600 my ($where, $mystrict, $dir, $queue, @files) = @_;
7603 unless $strictness >= $mystrict;
7605 foreach my $file (@files)
7607 push_required_file ($dir, $file, "$dir/$file");
7610 queue_required_file_check_or_copy ($required_conf_file_queue,
7611 QUEUE_CONF_FILE, $relative_dir,
7612 $where, $mystrict, @files);
7616 required_file_check_or_copy ($where, $dir, $file);
7621 # &require_file ($WHERE, $MYSTRICT, @FILES)
7622 # -----------------------------------------
7623 sub require_file ($$@)
7625 my ($where, $mystrict, @files) = @_;
7626 require_file_internal ($where, $mystrict, $relative_dir, 0, @files);
7629 # &require_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7630 # -----------------------------------------------------------
7631 sub require_file_with_macro ($$$@)
7633 my ($cond, $macro, $mystrict, @files) = @_;
7634 $macro = rvar ($macro) unless ref $macro;
7635 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7638 # &require_libsource_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7639 # ----------------------------------------------------------------
7640 # Require an AC_LIBSOURCEd file. If AC_CONFIG_LIBOBJ_DIR was called, it
7641 # must be in that directory. Otherwise expect it in the current directory.
7642 sub require_libsource_with_macro ($$$@)
7644 my ($cond, $macro, $mystrict, @files) = @_;
7645 $macro = rvar ($macro) unless ref $macro;
7646 if ($config_libobj_dir)
7648 require_file_internal ($macro->rdef ($cond)->location, $mystrict,
7649 $config_libobj_dir, 0, @files);
7653 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7657 # &queue_required_file_check_or_copy ($QUEUE, $KEY, $DIR, $WHERE,
7658 # $MYSTRICT, @FILES)
7659 # ---------------------------------------------------------------
7660 sub queue_required_file_check_or_copy ($$$$@)
7662 my ($queue, $key, $dir, $where, $mystrict, @files) = @_;
7666 @serial_loc = (QUEUE_LOCATION, $where->serialize ());
7670 @serial_loc = (QUEUE_STRING, $where);
7672 $queue->enqueue ($key, $dir, @serial_loc, $mystrict, 0 + @files, @files);
7675 # &require_queued_file_check_or_copy ($QUEUE)
7676 # -------------------------------------------
7677 sub require_queued_file_check_or_copy ($)
7681 my $dir = $queue->dequeue ();
7682 my $loc_key = $queue->dequeue ();
7683 if ($loc_key eq QUEUE_LOCATION)
7685 $where = Automake::Location::deserialize ($queue);
7687 elsif ($loc_key eq QUEUE_STRING)
7689 $where = $queue->dequeue ();
7693 prog_error "unexpected key $loc_key";
7695 my $mystrict = $queue->dequeue ();
7696 my $nfiles = $queue->dequeue ();
7698 push @files, $queue->dequeue ()
7699 foreach (1 .. $nfiles);
7701 unless $strictness >= $mystrict;
7702 foreach my $file (@files)
7704 required_file_check_or_copy ($where, $config_aux_dir, $file);
7708 # &require_conf_file ($WHERE, $MYSTRICT, @FILES)
7709 # ----------------------------------------------
7710 # Looks in configuration path, as specified by AC_CONFIG_AUX_DIR.
7711 sub require_conf_file ($$@)
7713 my ($where, $mystrict, @files) = @_;
7714 my $queue = defined $required_conf_file_queue ? 1 : 0;
7715 require_file_internal ($where, $mystrict, $config_aux_dir,
7720 # &require_conf_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7721 # ----------------------------------------------------------------
7722 sub require_conf_file_with_macro ($$$@)
7724 my ($cond, $macro, $mystrict, @files) = @_;
7725 require_conf_file (rvar ($macro)->rdef ($cond)->location,
7729 ################################################################
7731 # &require_build_directory ($DIRECTORY)
7732 # -------------------------------------
7733 # Emit rules to create $DIRECTORY if needed, and return
7734 # the file that any target requiring this directory should be made
7736 # We don't want to emit the rule twice, and want to reuse it
7737 # for directories with equivalent names (e.g., 'foo/bar' and './foo//bar').
7738 sub require_build_directory ($)
7740 my $directory = shift;
7742 return $directory_map{$directory} if exists $directory_map{$directory};
7744 my $cdir = File::Spec->canonpath ($directory);
7746 if (exists $directory_map{$cdir})
7748 my $stamp = $directory_map{$cdir};
7749 $directory_map{$directory} = $stamp;
7753 my $dirstamp = "$cdir/\$(am__dirstamp)";
7755 $directory_map{$directory} = $dirstamp;
7756 $directory_map{$cdir} = $dirstamp;
7758 # Set a variable for the dirstamp basename.
7759 define_pretty_variable ('am__dirstamp', TRUE, INTERNAL,
7760 '$(am__leading_dot)dirstamp');
7762 # Directory must be removed by 'make distclean'.
7763 $clean_files{$dirstamp} = DIST_CLEAN;
7765 $output_rules .= ("$dirstamp:\n"
7766 . "\t\@\$(MKDIR_P) $directory\n"
7767 . "\t\@: > $dirstamp\n");
7772 # &require_build_directory_maybe ($FILE)
7773 # --------------------------------------
7774 # If $FILE lies in a subdirectory, emit a rule to create this
7775 # directory and return the file that $FILE should be made
7776 # dependent upon. Otherwise, just return the empty string.
7777 sub require_build_directory_maybe ($)
7780 my $directory = dirname ($file);
7782 if ($directory ne '.')
7784 return require_build_directory ($directory);
7792 ################################################################
7794 # Push a list of files onto dist_common.
7795 sub push_dist_common
7797 prog_error "push_dist_common run after handle_dist"
7798 if $handle_dist_run;
7799 Automake::Variable::define ('DIST_COMMON', VAR_AUTOMAKE, '+', TRUE, "@_",
7800 '', INTERNAL, VAR_PRETTY);
7804 ################################################################
7806 # generate_makefile ($MAKEFILE_AM, $MAKEFILE_IN)
7807 # ----------------------------------------------
7808 # Generate a Makefile.in given the name of the corresponding Makefile and
7809 # the name of the file output by config.status.
7810 sub generate_makefile ($$)
7812 my ($makefile_am, $makefile_in) = @_;
7814 # Reset all the Makefile.am related variables.
7815 initialize_per_input;
7817 # AUTOMAKE_OPTIONS can contains -W flags to disable or enable
7818 # warnings for this file. So hold any warning issued before
7819 # we have processed AUTOMAKE_OPTIONS.
7820 buffer_messages ('warning');
7822 # $OUTPUT is encoded. If it contains a ":" then the first element
7823 # is the real output file, and all remaining elements are input
7824 # files. We don't scan or otherwise deal with these input files,
7825 # other than to mark them as dependencies. See
7826 # &scan_autoconf_files for details.
7827 my ($makefile, @inputs) = split (/:/, $output_files{$makefile_in});
7829 $relative_dir = dirname ($makefile);
7831 read_main_am_file ($makefile_am, $makefile_in);
7834 # Process buffered warnings.
7836 # Fatal error. Just return, so we can continue with next file.
7839 # Process buffered warnings.
7842 # There are a few install-related variables that you should not define.
7843 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
7848 my $def = $v->def (TRUE);
7849 prog_error "$var not defined in condition TRUE"
7851 reject_var $var, "'$var' should not be defined"
7852 if $def->owner != VAR_AUTOMAKE;
7856 # Catch some obsolete variables.
7857 msg_var ('obsolete', 'INCLUDES',
7858 "'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')")
7859 if var ('INCLUDES');
7861 # Must do this after reading .am file.
7862 define_variable ('subdir', $relative_dir, INTERNAL);
7864 # If DIST_SUBDIRS is defined, make sure SUBDIRS is, so that
7865 # recursive rules are enabled.
7866 define_pretty_variable ('SUBDIRS', TRUE, INTERNAL, '')
7867 if var 'DIST_SUBDIRS' && ! var 'SUBDIRS';
7869 # Check first, because we might modify some state.
7870 check_gnu_standards;
7871 check_gnits_standards;
7873 handle_configure ($makefile_am, $makefile_in, $makefile, @inputs);
7882 # These must be run after all the sources are scanned. They
7883 # use variables defined by &handle_libraries, &handle_ltlibraries,
7884 # or &handle_programs.
7889 # Variables used by distdir.am and tags.am.
7890 define_pretty_variable ('SOURCES', TRUE, INTERNAL, @sources);
7891 if (! option 'no-dist')
7893 define_pretty_variable ('DIST_SOURCES', TRUE, INTERNAL, @dist_sources);
7904 handle_user_recursion;
7906 handle_minor_options;
7907 # Must come after handle_programs so that %known_programs is up-to-date.
7910 # This must come after most other rules.
7914 do_check_merge_target;
7915 handle_all ($makefile);
7918 if (var ('lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
7920 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
7922 if (var ('nobase_lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
7924 $output_rules .= "install-binPROGRAMS: install-nobase_libLTLIBRARIES\n\n";
7928 handle_clean ($makefile);
7929 handle_factored_dependencies;
7931 # Comes last, because all the above procedures may have
7932 # defined or overridden variables.
7933 $output_vars .= output_variables;
7937 if ($exit_code != 0)
7939 verb "not writing $makefile_in because of earlier errors";
7943 my $am_relative_dir = dirname ($makefile_am);
7944 mkdir ($am_relative_dir, 0755) if ! -d $am_relative_dir;
7946 # We make sure that 'all:' is the first target.
7948 "$output_vars$output_all$output_header$output_rules$output_trailer";
7950 # Decide whether we must update the output file or not.
7951 # We have to update in the following situations.
7952 # * $force_generation is set.
7953 # * any of the output dependencies is younger than the output
7954 # * the contents of the output is different (this can happen
7955 # if the project has been populated with a file listed in
7956 # @common_files since the last run).
7957 # Output's dependencies are split in two sets:
7958 # * dependencies which are also configure dependencies
7959 # These do not change between each Makefile.am
7960 # * other dependencies, specific to the Makefile.am being processed
7961 # (such as the Makefile.am itself, or any Makefile fragment
7963 my $timestamp = mtime $makefile_in;
7964 if (! $force_generation
7965 && $configure_deps_greatest_timestamp < $timestamp
7966 && $output_deps_greatest_timestamp < $timestamp
7967 && $output eq contents ($makefile_in))
7969 verb "$makefile_in unchanged";
7970 # No need to update.
7974 if (-e $makefile_in)
7976 unlink ($makefile_in)
7977 or fatal "cannot remove $makefile_in: $!";
7980 my $gm_file = new Automake::XFile "> $makefile_in";
7981 verb "creating $makefile_in";
7982 print $gm_file $output;
7985 ################################################################
7990 ################################################################
7992 # Helper function for usage().
7993 sub print_autodist_files (@)
7995 my @lcomm = sort (&uniq (@_));
7998 format USAGE_FORMAT =
7999 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
8000 $four[0], $four[1], $four[2], $four[3]
8002 local $~ = "USAGE_FORMAT";
8005 my $rows = int(@lcomm / $cols);
8006 my $rest = @lcomm % $cols;
8017 for (my $y = 0; $y < $rows; $y++)
8019 @four = ("", "", "", "");
8020 for (my $x = 0; $x < $cols; $x++)
8022 last if $y + 1 == $rows && $x == $rest;
8024 my $idx = (($x > $rest)
8025 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
8029 $four[$x] = $lcomm[$idx];
8036 # Print usage information.
8039 print "Usage: $0 [OPTION]... [Makefile]...
8041 Generate Makefile.in for configure from Makefile.am.
8044 --help print this help, then exit
8045 --version print version number, then exit
8046 -v, --verbose verbosely list files processed
8047 --no-force only update Makefile.in's that are out of date
8048 -W, --warnings=CATEGORY report the warnings falling in CATEGORY
8050 Dependency tracking:
8051 -i, --ignore-deps disable dependency tracking code
8052 --include-deps enable dependency tracking code
8055 --foreign set strictness to foreign
8056 --gnits set strictness to gnits
8057 --gnu set strictness to gnu
8060 -a, --add-missing add missing standard files to package
8061 --libdir=DIR set directory storing library files
8062 --print-libdir print directory storing library files
8063 -c, --copy with -a, copy missing files (default is symlink)
8064 -f, --force-missing force update of standard files
8067 Automake::ChannelDefs::usage;
8069 print "\nFiles automatically distributed if found " .
8071 print_autodist_files @common_files;
8072 print "\nFiles automatically distributed if found " .
8073 "(under certain conditions):\n";
8074 print_autodist_files @common_sometimes;
8077 Report bugs to <@PACKAGE_BUGREPORT@>.
8078 GNU Automake home page: <@PACKAGE_URL@>.
8079 General help using GNU software: <http://www.gnu.org/gethelp/>.
8082 # --help always returns 0 per GNU standards.
8089 # Print version information
8093 automake (GNU $PACKAGE) $VERSION
8094 Copyright (C) $RELEASE_YEAR Free Software Foundation, Inc.
8095 License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>
8096 This is free software: you are free to change and redistribute it.
8097 There is NO WARRANTY, to the extent permitted by law.
8099 Written by Tom Tromey <tromey\@redhat.com>
8100 and Alexandre Duret-Lutz <adl\@gnu.org>.
8102 # --version always returns 0 per GNU standards.
8106 ################################################################
8108 # Parse command line.
8109 sub parse_arguments ()
8112 my $ignore_deps = 0;
8117 'version' => \&version,
8119 'libdir=s' => \$libdir,
8120 'print-libdir' => sub { print "$libdir\n"; exit 0; },
8121 'gnu' => sub { $strict = 'gnu'; },
8122 'gnits' => sub { $strict = 'gnits'; },
8123 'foreign' => sub { $strict = 'foreign'; },
8124 'include-deps' => sub { $ignore_deps = 0; },
8125 'i|ignore-deps' => sub { $ignore_deps = 1; },
8126 'no-force' => sub { $force_generation = 0; },
8127 'f|force-missing' => \$force_missing,
8128 'a|add-missing' => \$add_missing,
8129 'c|copy' => \$copy_missing,
8130 'v|verbose' => sub { setup_channel 'verb', silent => 0; },
8131 'W|warnings=s' => \@warnings,
8134 use Automake::Getopt ();
8135 Automake::Getopt::parse_options %cli_options;
8137 set_strictness ($strict);
8138 my $cli_where = new Automake::Location;
8139 set_global_option ('no-dependencies', $cli_where) if $ignore_deps;
8140 for my $warning (@warnings)
8142 &parse_warnings ('-W', $warning);
8145 return unless @ARGV;
8148 foreach my $arg (@ARGV)
8150 fatal ("empty argument\nTry '$0 --help' for more information")
8153 # Handle $local:$input syntax.
8154 my ($local, @rest) = split (/:/, $arg);
8155 @rest = ("$local.in",) unless @rest;
8156 my $input = locate_am @rest;
8159 push @input_files, $input;
8160 $output_files{$input} = join (':', ($local, @rest));
8164 error "no Automake input file found for '$arg'";
8168 fatal "no input file found among supplied arguments"
8169 if $errspec && ! @input_files;
8173 # handle_makefile ($MAKEFILE_IN)
8174 # ------------------------------
8175 # Deal with $MAKEFILE_IN.
8176 sub handle_makefile ($)
8179 ($am_file = $file) =~ s/\.in$//;
8180 if (! -f ($am_file . '.am'))
8182 error "'$am_file.am' does not exist";
8186 # Any warning setting now local to this Makefile.am.
8189 generate_makefile ($am_file . '.am', $file);
8191 # Back out any warning setting.
8196 # handle_makefiles_serial ()
8197 # --------------------------
8198 # Deal with all makefiles, without threads.
8199 sub handle_makefiles_serial ()
8201 foreach my $file (@input_files)
8203 handle_makefile ($file);
8207 # get_number_of_threads ()
8208 # ------------------------
8209 # Logic for deciding how many worker threads to use.
8210 sub get_number_of_threads
8212 my $nthreads = $ENV{'AUTOMAKE_JOBS'} || 0;
8215 unless $nthreads =~ /^[0-9]+$/;
8217 # It doesn't make sense to use more threads than makefiles,
8218 my $max_threads = @input_files;
8220 if ($nthreads > $max_threads)
8222 $nthreads = $max_threads;
8227 # handle_makefiles_threaded ($NTHREADS)
8228 # -------------------------------------
8229 # Deal with all makefiles, using threads. The general strategy is to
8230 # spawn NTHREADS worker threads, dispatch makefiles to them, and let the
8231 # worker threads push back everything that needs serialization:
8232 # * warning and (normal) error messages, for stable stderr output
8233 # order and content (avoiding duplicates, for example),
8234 # * races when installing aux files (and respective messages),
8235 # * races when collecting aux files for distribution.
8237 # The latter requires that the makefile that deals with the aux dir
8238 # files be handled last, done by the master thread.
8239 sub handle_makefiles_threaded ($)
8241 my ($nthreads) = @_;
8243 # The file queue distributes all makefiles, the message queues
8244 # collect all serializations needed for respective files.
8245 my $file_queue = Thread::Queue->new;
8247 foreach my $file (@input_files)
8249 $msg_queues{$file} = Thread::Queue->new;
8252 verb "spawning $nthreads worker threads";
8253 my @threads = (1 .. $nthreads);
8254 foreach my $t (@threads)
8256 $t = threads->new (sub
8258 while (my $file = $file_queue->dequeue)
8260 verb "handling $file";
8261 my $queue = $msg_queues{$file};
8262 setup_channel_queue ($queue, QUEUE_MESSAGE);
8263 $required_conf_file_queue = $queue;
8264 handle_makefile ($file);
8265 $queue->enqueue (undef);
8266 setup_channel_queue (undef, undef);
8267 $required_conf_file_queue = undef;
8273 # Queue all makefiles.
8274 verb "queuing " . @input_files . " input files";
8275 $file_queue->enqueue (@input_files, (undef) x @threads);
8277 # Collect and process serializations.
8278 foreach my $file (@input_files)
8280 verb "dequeuing messages for " . $file;
8281 reset_local_duplicates ();
8282 my $queue = $msg_queues{$file};
8283 while (my $key = $queue->dequeue)
8285 if ($key eq QUEUE_MESSAGE)
8287 pop_channel_queue ($queue);
8289 elsif ($key eq QUEUE_CONF_FILE)
8291 require_queued_file_check_or_copy ($queue);
8295 prog_error "unexpected key $key";
8300 foreach my $t (@threads)
8302 my @exit_thread = $t->join;
8303 $exit_code = $exit_thread[0]
8304 if ($exit_thread[0] > $exit_code);
8308 ################################################################
8310 # Parse the WARNINGS environment variable.
8313 # Parse command line.
8316 $configure_ac = require_configure_ac;
8318 # Do configure.ac scan only once.
8319 scan_autoconf_files;
8324 $msg = "\nDid you forget AC_CONFIG_FILES([Makefile]) in $configure_ac?"
8325 if -f 'Makefile.am';
8326 fatal ("no 'Makefile.am' found for any configure output$msg");
8329 my $nthreads = get_number_of_threads ();
8331 if ($perl_threads && $nthreads >= 1)
8333 handle_makefiles_threaded ($nthreads);
8337 handle_makefiles_serial ();
8343 ### Setup "GNU" style for perl-mode and cperl-mode.
8345 ## perl-indent-level: 2
8346 ## perl-continued-statement-offset: 2
8347 ## perl-continued-brace-offset: 0
8348 ## perl-brace-offset: 0
8349 ## perl-brace-imaginary-offset: 0
8350 ## perl-label-offset: -2
8351 ## cperl-indent-level: 2
8352 ## cperl-brace-offset: 0
8353 ## cperl-continued-brace-offset: 0
8354 ## cperl-label-offset: -2
8355 ## cperl-extra-newline-before-brace: t
8356 ## cperl-merge-trailing-else: nil
8357 ## cperl-continued-statement-offset: 2