5 eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
8 # automake - create Makefile.in from Makefile.am
9 # Copyright (C) 1994-2012 Free Software Foundation, Inc.
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2, or (at your option)
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program. If not, see <http://www.gnu.org/licenses/>.
24 # Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
25 # Perl reimplementation by Tom Tromey <tromey@redhat.com>, and
26 # Alexandre Duret-Lutz <adl@gnu.org>.
32 my $perllibdir = $ENV{'perllibdir'} || '@datadir@/@PACKAGE@-@APIVERSION@';
33 unshift @INC, (split '@PATH_SEPARATOR@', $perllibdir);
35 # Override SHELL. This is required on DJGPP so that system() uses
36 # bash, not COMMAND.COM which doesn't quote arguments properly.
37 # Other systems aren't expected to use $SHELL when Automake
38 # runs, but it should be safe to drop the "if DJGPP" guard if
39 # it turns up other systems need the same thing. After all,
40 # if SHELL is used, ./configure's SHELL is always better than
41 # the user's SHELL (which may be something like tcsh).
42 $ENV{'SHELL'} = '@SHELL@' if exists $ENV{'DJDIR'};
46 Class::Struct::struct (
47 # Short name of the language (c, f77...).
49 # Nice name of the language (C, Fortran 77...).
52 # List of configure variables which must be defined.
55 # 'pure' is '1' or ''. A 'pure' language is one where, if
56 # all the files in a directory are of that language, then we
57 # do not require the C compiler or any code to call it.
62 # Name of the compiling variable (COMPILE).
64 # Content of the compiling variable.
66 # Flag to require compilation without linking (-c).
67 'compile_flag' => "\$",
69 # A subroutine to compute a list of possible extensions of
70 # the product given the input extensions.
71 # (defaults to a subroutine which returns ('.$(OBJEXT)', '.lo'))
72 'output_extensions' => "\$",
73 # A list of flag variables used in 'compile'.
77 # Any tag to pass to libtool while compiling.
78 'libtool_tag' => "\$",
80 # The file to use when generating rules for this language.
81 # The default is 'depend2'.
84 # Name of the linking variable (LINK).
86 # Content of the linking variable.
89 # Name of the compiler variable (CC).
92 # Name of the linker variable (LD).
94 # Content of the linker variable ($(CC)).
97 # Flag to specify the output file (-o).
98 'output_flag' => "\$",
101 # This is a subroutine which is called whenever we finally
102 # determine the context in which a source file will be
104 '_target_hook' => "\$",
106 # If TRUE, nodist_ sources will be compiled using specific rules
107 # (i.e. not inference rules). The default is FALSE.
108 'nodist_specific' => "\$");
114 if (defined $self->_finish)
116 &{$self->_finish} (@_);
120 sub target_hook ($$$$%)
123 if (defined $self->_target_hook)
125 &{$self->_target_hook} (@_);
132 use Automake::Config;
139 require Thread::Queue;
140 import Thread::Queue;
143 use Automake::General;
145 use Automake::Channels;
146 use Automake::ChannelDefs;
147 use Automake::Configure_ac;
148 use Automake::FileUtils;
149 use Automake::Location;
150 use Automake::Condition qw/TRUE FALSE/;
151 use Automake::DisjConditions;
152 use Automake::Options;
153 use Automake::Variable;
154 use Automake::VarDef;
156 use Automake::RuleDef;
157 use Automake::Wrap 'makefile_wrap';
166 # Some regular expressions. One reason to put them here is that it
167 # makes indentation work better in Emacs.
169 # Writing singled-quoted-$-terminated regexes is a pain because
170 # perl-mode thinks of $' as the ${'} variable (instead of a $ followed
171 # by a closing quote. Letting perl-mode think the quote is not closed
172 # leads to all sort of misindentations. On the other hand, defining
173 # regexes as double-quoted strings is far less readable. So usually
176 # $REGEX = '^regex_value' . "\$";
178 my $IGNORE_PATTERN = '^\s*##([^#\n].*)?\n';
179 my $WHITE_PATTERN = '^\s*' . "\$";
180 my $COMMENT_PATTERN = '^#';
181 my $TARGET_PATTERN='[$a-zA-Z0-9_.@%][-.a-zA-Z0-9_(){}/$+@%]*';
182 # A rule has three parts: a list of targets, a list of dependencies,
183 # and optionally actions.
185 "^($TARGET_PATTERN(?:(?:\\\\\n|\\s)+$TARGET_PATTERN)*) *:([^=].*|)\$";
187 # Only recognize leading spaces, not leading tabs. If we recognize
188 # leading tabs here then we need to make the reader smarter, because
189 # otherwise it will think rules like 'foo=bar; \' are errors.
190 my $ASSIGNMENT_PATTERN = '^ *([^ \t=:+]*)\s*([:+]?)=\s*(.*)' . "\$";
191 # This pattern recognizes a Gnits version id and sets $1 if the
192 # release is an alpha release. We also allow a suffix which can be
193 # used to extend the version number with a "fork" identifier.
194 my $GNITS_VERSION_PATTERN = '\d+\.\d+([a-z]|\.\d+)?(-[A-Za-z0-9]+)?';
196 my $IF_PATTERN = '^if\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*)\s*(?:#.*)?' . "\$";
198 '^else(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
200 '^endif(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
201 my $PATH_PATTERN = '(\w|[+/.-])+';
202 # This will pass through anything not of the prescribed form.
203 my $INCLUDE_PATTERN = ('^include\s+'
204 . '((\$\(top_srcdir\)/' . $PATH_PATTERN . ')'
205 . '|(\$\(srcdir\)/' . $PATH_PATTERN . ')'
206 . '|([^/\$]' . $PATH_PATTERN . '))\s*(#.*)?' . "\$");
208 # Directories installed during 'install-exec' phase.
209 my $EXEC_DIR_PATTERN =
210 '^(?:bin|sbin|libexec|sysconf|localstate|lib|pkglib|.*exec.*)' . "\$";
212 # Values for AC_CANONICAL_*
213 use constant AC_CANONICAL_BUILD => 1;
214 use constant AC_CANONICAL_HOST => 2;
215 use constant AC_CANONICAL_TARGET => 3;
217 # Values indicating when something should be cleaned.
218 use constant MOSTLY_CLEAN => 0;
219 use constant CLEAN => 1;
220 use constant DIST_CLEAN => 2;
221 use constant MAINTAINER_CLEAN => 3;
224 my @libtool_files = qw(ltmain.sh config.guess config.sub);
225 # ltconfig appears here for compatibility with old versions of libtool.
226 my @libtool_sometimes = qw(ltconfig ltcf-c.sh ltcf-cxx.sh ltcf-gcj.sh);
228 # Commonly found files we look for and automatically include in
231 (qw(ABOUT-GNU ABOUT-NLS AUTHORS BACKLOG COPYING COPYING.DOC COPYING.LIB
232 COPYING.LESSER ChangeLog INSTALL NEWS README THANKS TODO
233 ar-lib compile config.guess config.rpath
234 config.sub depcomp elisp-comp install-sh libversion.in mdate-sh
235 missing mkinstalldirs py-compile texinfo.tex ylwrap),
236 @libtool_files, @libtool_sometimes);
238 # Commonly used files we auto-include, but only sometimes. This list
239 # is used for the --help output only.
240 my @common_sometimes =
241 qw(aclocal.m4 acconfig.h config.h.top config.h.bot configure
242 configure.ac configure.in stamp-vti);
244 # Standard directories from the GNU Coding Standards, and additional
245 # pkg* directories from Automake. Stored in a hash for fast member check.
246 my %standard_prefix =
247 map { $_ => 1 } (qw(bin data dataroot doc dvi exec html include info
248 lib libexec lisp locale localstate man man1 man2
249 man3 man4 man5 man6 man7 man8 man9 oldinclude pdf
250 pkgdata pkginclude pkglib pkglibexec ps sbin
251 sharedstate sysconf));
253 # Copyright on generated Makefile.ins.
254 my $gen_copyright = "\
255 # Copyright (C) 1994-$RELEASE_YEAR Free Software Foundation, Inc.
257 # This Makefile.in is free software; the Free Software Foundation
258 # gives unlimited permission to copy and/or distribute it,
259 # with or without modifications, as long as this notice is preserved.
261 # This program is distributed in the hope that it will be useful,
262 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
263 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
264 # PARTICULAR PURPOSE.
267 # These constants are returned by the lang_*_rewrite functions.
268 # LANG_SUBDIR means that the resulting object file should be in a
269 # subdir if the source file is. In this case the file name cannot
270 # have '..' components.
271 use constant LANG_IGNORE => 0;
272 use constant LANG_PROCESS => 1;
273 use constant LANG_SUBDIR => 2;
275 # These are used when keeping track of whether an object can be built
276 # by two different paths.
277 use constant COMPILE_LIBTOOL => 1;
278 use constant COMPILE_ORDINARY => 2;
280 # We can't always associate a location to a variable or a rule,
281 # when it's defined by Automake. We use INTERNAL in this case.
282 use constant INTERNAL => new Automake::Location;
284 # Serialization keys for message queues.
285 use constant QUEUE_MESSAGE => "msg";
286 use constant QUEUE_CONF_FILE => "conf file";
287 use constant QUEUE_LOCATION => "location";
288 use constant QUEUE_STRING => "string";
290 ## ---------------------------------- ##
291 ## Variables related to the options. ##
292 ## ---------------------------------- ##
294 # TRUE if we should always generate Makefile.in.
295 my $force_generation = 1;
297 # From the Perl manual.
298 my $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
300 # TRUE if missing standard files should be installed.
303 # TRUE if we should copy missing files; otherwise symlink if possible.
304 my $copy_missing = 0;
306 # TRUE if we should always update files that we know about.
307 my $force_missing = 0;
310 ## ---------------------------------------- ##
311 ## Variables filled during files scanning. ##
312 ## ---------------------------------------- ##
314 # Name of the configure.ac file.
317 # Files found by scanning configure.ac for LIBOBJS.
320 # Names used in AC_CONFIG_HEADER call.
321 my @config_headers = ();
323 # Names used in AC_CONFIG_LINKS call.
324 my @config_links = ();
326 # List of Makefile.am's to process, and their corresponding outputs.
327 my @input_files = ();
328 my %output_files = ();
330 # Complete list of Makefile.am's that exist.
331 my @configure_input_files = ();
333 # List of files in AC_CONFIG_FILES/AC_OUTPUT without Makefile.am's,
335 my @other_input_files = ();
336 # Where each AC_CONFIG_FILES/AC_OUTPUT/AC_CONFIG_LINK/AC_CONFIG_HEADER appears.
337 # The keys are the files created by these macros.
338 my %ac_config_files_location = ();
339 # The condition under which AC_CONFIG_FOOS appears.
340 my %ac_config_files_condition = ();
342 # Directory to search for configure-required files. This
343 # will be computed by &locate_aux_dir and can be set using
344 # AC_CONFIG_AUX_DIR in configure.ac.
345 # $CONFIG_AUX_DIR is the 'raw' directory, valid only in the source-tree.
346 my $config_aux_dir = '';
347 my $config_aux_dir_set_in_configure_ac = 0;
348 # $AM_CONFIG_AUX_DIR is prefixed with $(top_srcdir), so it can be used
350 my $am_config_aux_dir = '';
352 # Directory to search for AC_LIBSOURCE files, as set by AC_CONFIG_LIBOBJ_DIR
354 my $config_libobj_dir = '';
356 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
357 my $seen_gettext = 0;
358 # Whether AM_GNU_GETTEXT([external]) is used.
359 my $seen_gettext_external = 0;
360 # Where AM_GNU_GETTEXT appears.
361 my $ac_gettext_location;
362 # Whether AM_GNU_GETTEXT_INTL_SUBDIR has been seen.
363 my $seen_gettext_intl = 0;
365 # Lists of tags supported by Libtool.
366 my %libtool_tags = ();
367 # 1 if Libtool uses LT_SUPPORTED_TAG. If it does, then it also
368 # uses AC_REQUIRE_AUX_FILE.
369 my $libtool_new_api = 0;
371 # Most important AC_CANONICAL_* macro seen so far.
372 my $seen_canonical = 0;
373 # Location of that macro.
374 my $canonical_location;
376 # Where AM_MAINTAINER_MODE appears.
379 # Actual version we've seen.
380 my $package_version = '';
382 # Where version is defined.
383 my $package_version_location;
385 # TRUE if we've seen AM_PROG_AR
388 # TRUE if we've seen AM_PROG_CC_C_O
391 # Location of AC_REQUIRE_AUX_FILE calls, indexed by their argument.
392 my %required_aux_file = ();
394 # Where AM_INIT_AUTOMAKE is called;
395 my $seen_init_automake = 0;
397 # TRUE if we've seen AM_AUTOMAKE_VERSION.
398 my $seen_automake_version = 0;
400 # Hash table of discovered configure substitutions. Keys are names,
401 # values are 'FILE:LINE' strings which are used by error message
403 my %configure_vars = ();
405 # Ignored configure substitutions (i.e., variables not to be output in
407 my %ignored_configure_vars = ();
409 # Files included by $configure_ac.
410 my @configure_deps = ();
412 # Greatest timestamp of configure's dependencies.
413 my $configure_deps_greatest_timestamp = 0;
415 # Hash table of AM_CONDITIONAL variables seen in configure.
416 my %configure_cond = ();
418 # This maps extensions onto language names.
419 my %extension_map = ();
421 # List of the DIST_COMMON files we discovered while reading
423 my $configure_dist_common = '';
425 # This maps languages names onto objects.
427 # Maps each linker variable onto a language object.
428 my %link_languages = ();
430 # maps extensions to needed source flags.
431 my %sourceflags = ();
433 # List of targets we must always output.
434 # FIXME: Complete, and remove falsely required targets.
435 my %required_targets =
448 # FIXME: Not required, temporary hacks.
449 # Well, actually they are sort of required: the -recursive
450 # targets will run them anyway...
456 'install-data-am' => 1,
457 'install-exec-am' => 1,
458 'install-html-am' => 1,
459 'install-dvi-am' => 1,
460 'install-pdf-am' => 1,
461 'install-ps-am' => 1,
462 'install-info-am' => 1,
463 'installcheck-am' => 1,
469 # Queue to push require_conf_file requirements to.
470 my $required_conf_file_queue;
472 # The name of the Makefile currently being processed.
475 ################################################################
477 ## ------------------------------------------ ##
478 ## Variables reset by &initialize_per_input. ##
479 ## ------------------------------------------ ##
481 # Basename and relative dir of the input file.
485 # Same but wrt Makefile.in.
489 # Relative path to the top directory.
492 # Greatest timestamp of the output's dependencies (excluding
493 # configure's dependencies).
494 my $output_deps_greatest_timestamp;
496 # These variables are used when generating each Makefile.in.
497 # They hold the Makefile.in until it is ready to be printed.
504 # This is the conditional stack, updated on if/else/endif, and
505 # used to build Condition objects.
508 # This holds the set of included files.
511 # List of dependencies for the obvious targets.
516 # Keys in this hash table are files to delete. The associated
517 # value tells when this should happen (MOSTLY_CLEAN, DIST_CLEAN, etc.)
520 # Keys in this hash table are object files or other files in
521 # subdirectories which need to be removed. This only holds files
522 # which are created by compilations. The value in the hash indicates
523 # when the file should be removed.
524 my %compile_clean_files;
526 # Keys in this hash table are directories where we expect to build a
527 # libtool object. We use this information to decide what directories
529 my %libtool_clean_directories;
531 # Value of $(SOURCES), used by tags.am.
533 # Sources which go in the distribution.
536 # This hash maps object file names onto their corresponding source
537 # file names. This is used to ensure that each object is created
538 # by a single source file.
541 # This hash maps object file names onto an integer value representing
542 # whether this object has been built via ordinary compilation or
543 # libtool compilation (the COMPILE_* constants).
544 my %object_compilation_map;
547 # This keeps track of the directories for which we've already
548 # created dirstamp code. Keys are directories, values are stamp files.
549 # Several keys can share the same stamp files if they are equivalent
550 # (as are './/foo' and 'foo').
556 # This is a list of all targets to run during "make dist".
559 # Keep track of all programs declared in this Makefile, without
560 # $(EXEEXT). @substitutions@ are not listed.
564 # This keeps track of which extensions we've seen (that we care
568 # This is random scratch space for the language finish functions.
569 # Don't randomly overwrite it; examine other uses of keys first.
570 my %language_scratch;
572 # We keep track of which objects need special (per-executable)
573 # handling on a per-language basis.
574 my %lang_specific_files;
576 # This is set when 'handle_dist' has finished. Once this happens,
577 # we should no longer push on dist_common.
580 # Used to store a set of linkers needed to generate the sources currently
581 # under consideration.
584 # True if we need 'LINK' defined. This is a hack.
587 # Does the generated Makefile have to build some compiled object
588 # (for binary programs, or plain or libtool libraries)?
589 my $must_handle_compiled_objects;
591 # Record each file processed by make_paragraphs.
592 my %transformed_files;
594 ################################################################
596 ## ---------------------------------------------- ##
597 ## Variables not reset by &initialize_per_input. ##
598 ## ---------------------------------------------- ##
600 # Cache each file processed by make_paragraphs.
601 # (This is different from %transformed_files because
602 # %transformed_files is reset for each file while %am_file_cache
603 # it global to the run.)
606 ################################################################
608 # var_SUFFIXES_trigger ($TYPE, $VALUE)
609 # ------------------------------------
610 # This is called by Automake::Variable::define() when SUFFIXES
611 # is defined ($TYPE eq '') or appended ($TYPE eq '+').
612 # The work here needs to be performed as a side-effect of the
613 # macro_define() call because SUFFIXES definitions impact
614 # on $KNOWN_EXTENSIONS_PATTERN which is used used when parsing
616 sub var_SUFFIXES_trigger ($$)
618 my ($type, $value) = @_;
619 accept_extensions (split (' ', $value));
621 Automake::Variable::hook ('SUFFIXES', \&var_SUFFIXES_trigger);
623 ################################################################
625 ## --------------------------------- ##
626 ## Forward subroutine declarations. ##
627 ## --------------------------------- ##
628 sub register_language (%);
629 sub file_contents_internal ($$$%);
630 sub define_files_variable ($\@$$);
633 # &initialize_per_input ()
634 # ------------------------
635 # (Re)-Initialize per-Makefile.am variables.
636 sub initialize_per_input ()
638 reset_local_duplicates ();
640 $am_file_name = undef;
641 $am_relative_dir = undef;
643 $in_file_name = undef;
644 $relative_dir = undef;
647 $output_deps_greatest_timestamp = 0;
653 $output_trailer = '';
655 Automake::Options::reset;
656 Automake::Variable::reset;
657 Automake::Rule::reset;
668 %compile_clean_files = ();
670 # We always include '.'. This isn't strictly correct.
671 %libtool_clean_directories = ('.' => 1);
677 %object_compilation_map = ();
685 %known_programs = ();
686 %known_libraries= ();
688 %extension_seen = ();
690 %language_scratch = ();
692 %lang_specific_files = ();
694 $handle_dist_run = 0;
698 $must_handle_compiled_objects = 0;
700 %transformed_files = ();
704 ################################################################
706 # Initialize our list of languages that are internally supported.
709 register_language ('name' => 'c',
711 'config_vars' => ['CC'],
713 'flags' => ['CFLAGS', 'CPPFLAGS'],
715 'compiler' => 'COMPILE',
716 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
720 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
721 'compile_flag' => '-c',
722 'libtool_tag' => 'CC',
723 'extensions' => ['.c']);
726 register_language ('name' => 'cxx',
728 'config_vars' => ['CXX'],
729 'linker' => 'CXXLINK',
730 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
732 'flags' => ['CXXFLAGS', 'CPPFLAGS'],
733 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
735 'compiler' => 'CXXCOMPILE',
736 'compile_flag' => '-c',
737 'output_flag' => '-o',
738 'libtool_tag' => 'CXX',
742 'extensions' => ['.c++', '.cc', '.cpp', '.cxx', '.C']);
745 register_language ('name' => 'objc',
746 'Name' => 'Objective C',
747 'config_vars' => ['OBJC'],
748 'linker' => 'OBJCLINK',
749 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
751 'flags' => ['OBJCFLAGS', 'CPPFLAGS'],
752 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
754 'compiler' => 'OBJCCOMPILE',
755 'compile_flag' => '-c',
756 'output_flag' => '-o',
760 'extensions' => ['.m']);
763 register_language ('name' => 'objcxx',
764 'Name' => 'Objective C++',
765 'config_vars' => ['OBJCXX'],
766 'linker' => 'OBJCXXLINK',
767 'link' => '$(OBJCXXLD) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
768 'autodep' => 'OBJCXX',
769 'flags' => ['OBJCXXFLAGS', 'CPPFLAGS'],
770 'compile' => '$(OBJCXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS)',
772 'compiler' => 'OBJCXXCOMPILE',
773 'compile_flag' => '-c',
774 'output_flag' => '-o',
775 'lder' => 'OBJCXXLD',
778 'extensions' => ['.mm']);
780 # Unified Parallel C.
781 register_language ('name' => 'upc',
782 'Name' => 'Unified Parallel C',
783 'config_vars' => ['UPC'],
784 'linker' => 'UPCLINK',
785 'link' => '$(UPCLD) $(AM_UPCFLAGS) $(UPCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
787 'flags' => ['UPCFLAGS', 'CPPFLAGS'],
788 'compile' => '$(UPC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_UPCFLAGS) $(UPCFLAGS)',
790 'compiler' => 'UPCCOMPILE',
791 'compile_flag' => '-c',
792 'output_flag' => '-o',
796 'extensions' => ['.upc']);
799 register_language ('name' => 'header',
801 'extensions' => ['.h', '.H', '.hxx', '.h++', '.hh',
804 'output_extensions' => sub { return () },
806 '_finish' => sub { });
809 register_language ('name' => 'vala',
811 'config_vars' => ['VALAC'],
813 'compile' => '$(VALAC) $(AM_VALAFLAGS) $(VALAFLAGS)',
815 'compiler' => 'VALACOMPILE',
816 'extensions' => ['.vala'],
817 'output_extensions' => sub { (my $ext = $_[0]) =~ s/vala$/c/;
819 'rule_file' => 'vala',
820 '_finish' => \&lang_vala_finish,
821 '_target_hook' => \&lang_vala_target_hook,
822 'nodist_specific' => 1);
825 register_language ('name' => 'yacc',
827 'config_vars' => ['YACC'],
828 'flags' => ['YFLAGS'],
829 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
831 'compiler' => 'YACCCOMPILE',
832 'extensions' => ['.y'],
833 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
835 'rule_file' => 'yacc',
836 '_finish' => \&lang_yacc_finish,
837 '_target_hook' => \&lang_yacc_target_hook,
838 'nodist_specific' => 1);
839 register_language ('name' => 'yaccxx',
840 'Name' => 'Yacc (C++)',
841 'config_vars' => ['YACC'],
842 'rule_file' => 'yacc',
843 'flags' => ['YFLAGS'],
845 'compiler' => 'YACCCOMPILE',
846 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
847 'extensions' => ['.y++', '.yy', '.yxx', '.ypp'],
848 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
850 '_finish' => \&lang_yacc_finish,
851 '_target_hook' => \&lang_yacc_target_hook,
852 'nodist_specific' => 1);
855 register_language ('name' => 'lex',
857 'config_vars' => ['LEX'],
858 'rule_file' => 'lex',
859 'flags' => ['LFLAGS'],
860 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
862 'compiler' => 'LEXCOMPILE',
863 'extensions' => ['.l'],
864 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
866 '_finish' => \&lang_lex_finish,
867 '_target_hook' => \&lang_lex_target_hook,
868 'nodist_specific' => 1);
869 register_language ('name' => 'lexxx',
870 'Name' => 'Lex (C++)',
871 'config_vars' => ['LEX'],
872 'rule_file' => 'lex',
873 'flags' => ['LFLAGS'],
874 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
876 'compiler' => 'LEXCOMPILE',
877 'extensions' => ['.l++', '.ll', '.lxx', '.lpp'],
878 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
880 '_finish' => \&lang_lex_finish,
881 '_target_hook' => \&lang_lex_target_hook,
882 'nodist_specific' => 1);
885 register_language ('name' => 'asm',
886 'Name' => 'Assembler',
887 'config_vars' => ['CCAS', 'CCASFLAGS'],
889 'flags' => ['CCASFLAGS'],
890 # Users can set AM_CCASFLAGS to include DEFS, INCLUDES,
891 # or anything else required. They can also set CCAS.
892 # Or simply use Preprocessed Assembler.
893 'compile' => '$(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)',
895 'compiler' => 'CCASCOMPILE',
896 'compile_flag' => '-c',
897 'output_flag' => '-o',
898 'extensions' => ['.s']);
900 # Preprocessed Assembler.
901 register_language ('name' => 'cppasm',
902 'Name' => 'Preprocessed Assembler',
903 'config_vars' => ['CCAS', 'CCASFLAGS'],
906 'flags' => ['CCASFLAGS', 'CPPFLAGS'],
907 'compile' => '$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)',
909 'compiler' => 'CPPASCOMPILE',
910 'compile_flag' => '-c',
911 'output_flag' => '-o',
912 'extensions' => ['.S', '.sx']);
915 register_language ('name' => 'f77',
916 'Name' => 'Fortran 77',
917 'config_vars' => ['F77'],
918 'linker' => 'F77LINK',
919 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
920 'flags' => ['FFLAGS'],
921 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
923 'compiler' => 'F77COMPILE',
924 'compile_flag' => '-c',
925 'output_flag' => '-o',
926 'libtool_tag' => 'F77',
930 'extensions' => ['.f', '.for']);
933 register_language ('name' => 'fc',
935 'config_vars' => ['FC'],
936 'linker' => 'FCLINK',
937 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
938 'flags' => ['FCFLAGS'],
939 'compile' => '$(FC) $(AM_FCFLAGS) $(FCFLAGS)',
941 'compiler' => 'FCCOMPILE',
942 'compile_flag' => '-c',
943 'output_flag' => '-o',
944 'libtool_tag' => 'FC',
948 'extensions' => ['.f90', '.f95', '.f03', '.f08']);
950 # Preprocessed Fortran
951 register_language ('name' => 'ppfc',
952 'Name' => 'Preprocessed Fortran',
953 'config_vars' => ['FC'],
954 'linker' => 'FCLINK',
955 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
958 'flags' => ['FCFLAGS', 'CPPFLAGS'],
960 'compiler' => 'PPFCCOMPILE',
961 'compile' => '$(FC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FCFLAGS) $(FCFLAGS)',
962 'compile_flag' => '-c',
963 'output_flag' => '-o',
964 'libtool_tag' => 'FC',
966 'extensions' => ['.F90','.F95', '.F03', '.F08']);
968 # Preprocessed Fortran 77
970 # The current support for preprocessing Fortran 77 just involves
971 # passing "$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
972 # $(CPPFLAGS)" as additional flags to the Fortran 77 compiler, since
973 # this is how GNU Make does it; see the "GNU Make Manual, Edition 0.51
974 # for 'make' Version 3.76 Beta" (specifically, from info file
975 # '(make)Catalogue of Rules').
977 # A better approach would be to write an Autoconf test
978 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
979 # Fortran 77 compilers know how to do preprocessing. The Autoconf
980 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
981 # preprocessing capabilities, and then fall back on cpp (if cpp were
983 register_language ('name' => 'ppf77',
984 'Name' => 'Preprocessed Fortran 77',
985 'config_vars' => ['F77'],
986 'linker' => 'F77LINK',
987 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
990 'flags' => ['FFLAGS', 'CPPFLAGS'],
992 'compiler' => 'PPF77COMPILE',
993 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
994 'compile_flag' => '-c',
995 'output_flag' => '-o',
996 'libtool_tag' => 'F77',
998 'extensions' => ['.F']);
1001 register_language ('name' => 'ratfor',
1003 'config_vars' => ['F77'],
1004 'linker' => 'F77LINK',
1005 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1008 'flags' => ['RFLAGS', 'FFLAGS'],
1009 # FIXME also FFLAGS.
1010 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
1012 'compiler' => 'RCOMPILE',
1013 'compile_flag' => '-c',
1014 'output_flag' => '-o',
1015 'libtool_tag' => 'F77',
1017 'extensions' => ['.r']);
1020 register_language ('name' => 'java',
1022 'config_vars' => ['GCJ'],
1023 'linker' => 'GCJLINK',
1024 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1026 'flags' => ['GCJFLAGS'],
1027 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
1029 'compiler' => 'GCJCOMPILE',
1030 'compile_flag' => '-c',
1031 'output_flag' => '-o',
1032 'libtool_tag' => 'GCJ',
1036 'extensions' => ['.java', '.class', '.zip', '.jar']);
1038 ################################################################
1040 # Error reporting functions.
1042 # err_am ($MESSAGE, [%OPTIONS])
1043 # -----------------------------
1044 # Uncategorized errors about the current Makefile.am.
1047 msg_am ('error', @_);
1050 # err_ac ($MESSAGE, [%OPTIONS])
1051 # -----------------------------
1052 # Uncategorized errors about configure.ac.
1055 msg_ac ('error', @_);
1058 # msg_am ($CHANNEL, $MESSAGE, [%OPTIONS])
1059 # ---------------------------------------
1060 # Messages about about the current Makefile.am.
1063 my ($channel, $msg, %opts) = @_;
1064 msg $channel, "${am_file}.am", $msg, %opts;
1067 # msg_ac ($CHANNEL, $MESSAGE, [%OPTIONS])
1068 # ---------------------------------------
1069 # Messages about about configure.ac.
1072 my ($channel, $msg, %opts) = @_;
1073 msg $channel, $configure_ac, $msg, %opts;
1076 ################################################################
1080 # Return a configure-style substitution using the indicated text.
1081 # We do this to avoid having the substitutions directly in automake.in;
1082 # when we do that they are sometimes removed and this causes confusion
1087 return '@' . $text . '@';
1090 ################################################################
1094 # &backname ($RELDIR)
1095 # --------------------
1096 # If I "cd $RELDIR", then to come back, I should "cd $BACKPATH".
1097 # For instance 'src/foo' => '../..'.
1098 # Works with non strictly increasing paths, i.e., 'src/../lib' => '..'.
1103 foreach (split (/\//, $file))
1105 next if $_ eq '.' || $_ eq '';
1109 or prog_error ("trying to reverse path '$file' pointing outside tree");
1116 return join ('/', @res) || '.';
1119 ################################################################
1121 # Silent rules handling functions.
1123 # verbose_var (NAME)
1124 # ------------------
1125 # The public variable stem used to implement silent rules.
1129 return 'AM_V_' . $name;
1132 # verbose_private_var (NAME)
1133 # --------------------------
1134 # The naming policy for the private variables for silent rules.
1135 sub verbose_private_var ($)
1138 return 'am__v_' . $name;
1141 # define_verbose_var (NAME, VAL)
1142 # ------------------------------
1143 # For silent rules, setup VAR and dispatcher, to expand to VAL if silent.
1144 sub define_verbose_var ($$)
1146 my ($name, $val) = @_;
1147 my $var = verbose_var ($name);
1148 my $pvar = verbose_private_var ($name);
1149 my $silent_var = $pvar . '_0';
1150 # For typical 'make's, 'configure' replaces AM_V (inside @@) with $(V)
1151 # and AM_DEFAULT_V (inside @@) with $(AM_DEFAULT_VERBOSITY).
1152 # For strict POSIX 2008 'make's, it replaces them with 0 or 1 instead.
1153 # See AM_SILENT_RULES in m4/silent.m4.
1154 define_variable ($var, '$(' . $pvar . '_@'.'AM_V'.'@)', INTERNAL);
1155 define_variable ($pvar . '_', '$(' . $pvar . '_@'.'AM_DEFAULT_V'.'@)',
1157 Automake::Variable::define ($silent_var, VAR_AUTOMAKE, '', TRUE, $val,
1158 '', INTERNAL, VAR_ASIS)
1159 if (! vardef ($silent_var, TRUE));
1162 # Above should not be needed in the general automake code.
1164 # verbose_flag (NAME)
1165 # -------------------
1166 # Contents of %VERBOSE%: variable to expand before rule command.
1167 sub verbose_flag ($)
1170 return '$(' . verbose_var ($name) . ')';
1173 sub verbose_nodep_flag ($)
1176 return '$(' . verbose_var ($name) . subst ('am__nodep') . ')';
1181 # Contents of %SILENT%: variable to expand to '@' when silent.
1184 return verbose_flag ('at');
1187 # define_verbose_tagvar (NAME)
1188 # ----------------------------
1189 # Engage the needed silent rules machinery for tag NAME.
1190 sub define_verbose_tagvar ($)
1193 define_verbose_var ($name, '@echo " '. $name . ' ' x (8 - length ($name)) . '" $@;');
1194 define_verbose_var ('at', '@');
1197 # define_verbose_texinfo
1198 # ----------------------
1199 # Engage the needed silent rules machinery for assorted texinfo commands.
1200 sub define_verbose_texinfo ()
1202 my @tagvars = ('DVIPS', 'MAKEINFO', 'INFOHTML', 'TEXI2DVI', 'TEXI2PDF');
1203 foreach my $tag (@tagvars)
1205 define_verbose_tagvar($tag);
1207 define_verbose_var('texinfo', '-q');
1208 define_verbose_var('texidevnull', '> /dev/null');
1211 # define_verbose_libtool
1212 # ----------------------
1213 # Engage the needed silent rules machinery for 'libtool --silent'.
1214 sub define_verbose_libtool ()
1216 define_verbose_var ('lt', '--silent');
1217 return verbose_flag ('lt');
1221 ################################################################
1224 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
1227 my $var = var ('AUTOMAKE_OPTIONS');
1230 if ($var->has_conditional_contents)
1232 msg_var ('unsupported', $var,
1233 "'AUTOMAKE_OPTIONS' cannot have conditional contents");
1235 my @options = map { { option => $_->[1], where => $_->[0] } }
1236 $var->value_as_list_recursive (cond_filter => TRUE,
1238 return 1 if process_option_list (@options);
1241 if ($strictness == GNITS)
1243 set_option ('readme-alpha', INTERNAL);
1244 set_option ('std-options', INTERNAL);
1245 set_option ('check-news', INTERNAL);
1251 # shadow_unconditionally ($varname, $where)
1252 # -----------------------------------------
1253 # Return a $(variable) that contains all possible values
1254 # $varname can take.
1255 # If the VAR wasn't defined conditionally, return $(VAR).
1256 # Otherwise we create an am__VAR_DIST variable which contains
1257 # all possible values, and return $(am__VAR_DIST).
1258 sub shadow_unconditionally ($$)
1260 my ($varname, $where) = @_;
1261 my $var = var $varname;
1262 if ($var->has_conditional_contents)
1264 $varname = "am__${varname}_DIST";
1265 my @files = uniq ($var->value_as_list_recursive);
1266 define_pretty_variable ($varname, TRUE, $where, @files);
1268 return "\$($varname)"
1271 # check_user_variables (@LIST)
1272 # ----------------------------
1273 # Make sure each variable VAR in @LIST does not exist, suggest using AM_VAR
1275 sub check_user_variables (@)
1277 my @dont_override = @_;
1278 foreach my $flag (@dont_override)
1280 my $var = var $flag;
1283 for my $cond ($var->conditions->conds)
1285 if ($var->rdef ($cond)->owner == VAR_MAKEFILE)
1287 msg_cond_var ('gnu', $cond, $flag,
1288 "'$flag' is a user variable, "
1289 . "you should not override it;\n"
1290 . "use 'AM_$flag' instead");
1297 # Call finish function for each language that was used.
1298 sub handle_languages
1300 if (! option 'no-dependencies')
1302 # Include auto-dep code. Don't include it if DEP_FILES would
1304 if (&saw_sources_p && keys %dep_files)
1306 # Set location of depcomp.
1307 &define_variable ('depcomp',
1308 "\$(SHELL) $am_config_aux_dir/depcomp",
1310 &define_variable ('am__depfiles_maybe', 'depfiles', INTERNAL);
1312 require_conf_file ("$am_file.am", FOREIGN, 'depcomp');
1314 my @deplist = sort keys %dep_files;
1315 # Generate each 'include' individually. Irix 6 make will
1316 # not properly include several files resulting from a
1317 # variable expansion; generating many separate includes
1319 $output_rules .= "\n";
1320 foreach my $iter (@deplist)
1322 $output_rules .= (subst ('AMDEP_TRUE')
1323 . subst ('am__include')
1325 . subst ('am__quote')
1327 . subst ('am__quote')
1331 # Compute the set of directories to remove in distclean-depend.
1332 my @depdirs = uniq (map { dirname ($_) } @deplist);
1333 $output_rules .= &file_contents ('depend',
1334 new Automake::Location,
1335 DEPDIRS => "@depdirs");
1340 &define_variable ('depcomp', '', INTERNAL);
1341 &define_variable ('am__depfiles_maybe', '', INTERNAL);
1346 # Is the C linker needed?
1348 foreach my $ext (sort keys %extension_seen)
1350 next unless $extension_map{$ext};
1352 my $lang = $languages{$extension_map{$ext}};
1354 my $rule_file = $lang->rule_file || 'depend2';
1356 # Get information on $LANG.
1357 my $pfx = $lang->autodep;
1358 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1360 my ($AMDEP, $FASTDEP) =
1361 (option 'no-dependencies' || $lang->autodep eq 'no')
1362 ? ('FALSE', 'FALSE') : ('AMDEP', "am__fastdep$fpfx");
1364 my $verbose = verbose_flag ($lang->ccer || 'GEN');
1365 my $verbose_nodep = ($AMDEP eq 'FALSE')
1366 ? $verbose : verbose_nodep_flag ($lang->ccer || 'GEN');
1367 my $silent = silent_flag ();
1369 my %transform = ('EXT' => $ext,
1373 'FASTDEP' => $FASTDEP,
1374 '-c' => $lang->compile_flag || '',
1375 # These are not used, but they need to be defined
1376 # so &transform do not complain.
1378 'DERIVED-EXT' => 'BUG',
1380 VERBOSE => $verbose,
1381 'VERBOSE-NODEP' => $verbose_nodep,
1385 # Generate the appropriate rules for this extension.
1386 if (((! option 'no-dependencies') && $lang->autodep ne 'no')
1387 || defined $lang->compile)
1389 # Some C compilers don't support -c -o. Use it only if really
1391 my $output_flag = $lang->output_flag || '';
1394 && $lang->name eq 'c'
1395 && option 'subdir-objects');
1397 # Compute a possible derived extension.
1398 # This is not used by depend2.am.
1399 my $der_ext = (&{$lang->output_extensions} ($ext))[0];
1401 # When we output an inference rule like '.c.o:' we
1402 # have two cases to consider: either subdir-objects
1403 # is used, or it is not.
1405 # In the latter case the rule is used to build objects
1406 # in the current directory, and dependencies always
1407 # go into './$(DEPDIR)/'. We can hard-code this value.
1409 # In the former case the rule can be used to build
1410 # objects in sub-directories too. Dependencies should
1411 # go into the appropriate sub-directories, e.g.,
1412 # 'sub/$(DEPDIR)/'. The value of this directory
1413 # needs to be computed on-the-fly.
1415 # DEPBASE holds the name of this directory, plus the
1416 # basename part of the object file (extensions Po, TPo,
1417 # Plo, TPlo will be added later as appropriate). It is
1418 # either hardcoded, or a shell variable ('$depbase') that
1419 # will be computed by the rule.
1421 option ('subdir-objects') ? '$$depbase' : '$(DEPDIR)/$*';
1423 file_contents ($rule_file,
1424 new Automake::Location,
1428 'DERIVED-EXT' => $der_ext,
1430 DEPBASE => $depbase,
1433 SOURCEFLAG => $sourceflags{$ext} || '',
1438 COMPILE => '$(' . $lang->compiler . ')',
1439 LTCOMPILE => '$(LT' . $lang->compiler . ')',
1441 SUBDIROBJ => !! option 'subdir-objects');
1444 # Now include code for each specially handled object with this
1446 my %seen_files = ();
1447 foreach my $file (@{$lang_specific_files{$lang->name}})
1449 my ($derived, $source, $obj, $myext, $srcext, %file_transform) = @$file;
1451 # We might see a given object twice, for instance if it is
1452 # used under different conditions.
1453 next if defined $seen_files{$obj};
1454 $seen_files{$obj} = 1;
1456 prog_error ("found " . $lang->name .
1457 " in handle_languages, but compiler not defined")
1458 unless defined $lang->compile;
1460 my $obj_compile = $lang->compile;
1462 # Rewrite each occurrence of 'AM_$flag' in the compile
1463 # rule into '${derived}_$flag' if it exists.
1464 for my $flag (@{$lang->flags})
1466 my $val = "${derived}_$flag";
1467 $obj_compile =~ s/\(AM_$flag\)/\($val\)/
1471 my $libtool_tag = '';
1472 if ($lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag})
1474 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
1477 my $ptltflags = "${derived}_LIBTOOLFLAGS";
1478 $ptltflags = 'AM_LIBTOOLFLAGS' unless set_seen $ptltflags;
1480 my $ltverbose = define_verbose_libtool ();
1482 "\$(LIBTOOL) $ltverbose $libtool_tag\$($ptltflags) \$(LIBTOOLFLAGS) "
1483 . "--mode=compile $obj_compile";
1485 # We _need_ '-o' for per object rules.
1486 my $output_flag = $lang->output_flag || '-o';
1488 my $depbase = dirname ($obj);
1492 unless $depbase eq '';
1493 $depbase .= '$(DEPDIR)/' . basename ($obj);
1496 file_contents ($rule_file,
1497 new Automake::Location,
1501 DEPBASE => $depbase,
1504 SOURCEFLAG => $sourceflags{$srcext} || '',
1505 # Use $myext and not '.o' here, in case
1506 # we are actually building a new source
1507 # file -- e.g. via yacc.
1508 OBJ => "$obj$myext",
1509 OBJOBJ => "$obj.obj",
1512 VERBOSE => $verbose,
1513 'VERBOSE-NODEP' => $verbose_nodep,
1515 COMPILE => $obj_compile,
1516 LTCOMPILE => $obj_ltcompile,
1521 # The rest of the loop is done once per language.
1522 next if defined $done{$lang};
1525 # Load the language dependent Makefile chunks.
1526 my %lang = map { uc ($_) => 0 } keys %languages;
1527 $lang{uc ($lang->name)} = 1;
1528 $output_rules .= file_contents ('lang-compile',
1529 new Automake::Location,
1532 # If the source to a program consists entirely of code from a
1533 # 'pure' language, for instance C++ or Fortran 77, then we
1534 # don't need the C compiler code. However if we run into
1535 # something unusual then we do generate the C code. There are
1536 # probably corner cases here that do not work properly.
1537 # People linking Java code to Fortran code deserve pain.
1538 $needs_c ||= ! $lang->pure;
1540 define_compiler_variable ($lang)
1541 if ($lang->compile);
1543 define_linker_variable ($lang)
1546 require_variables ("$am_file.am", $lang->Name . " source seen",
1547 TRUE, @{$lang->config_vars});
1549 # Call the finisher.
1552 # Flags listed in '->flags' are user variables (per GNU Standards),
1553 # they should not be overridden in the Makefile...
1554 my @dont_override = @{$lang->flags};
1555 # ... and so is LDFLAGS.
1556 push @dont_override, 'LDFLAGS' if $lang->link;
1558 check_user_variables @dont_override;
1561 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1562 # suffix rule was learned), don't bother with the C stuff. But if
1563 # anything else creeps in, then use it.
1565 if $need_link || suffix_rules_count > 1;
1569 &define_compiler_variable ($languages{'c'})
1570 unless defined $done{$languages{'c'}};
1571 define_linker_variable ($languages{'c'});
1574 # Always provide the user with 'AM_V_GEN' for silent rules.
1575 define_verbose_tagvar ('GEN');
1579 # append_exeext { PREDICATE } $MACRO
1580 # ----------------------------------
1581 # Append $(EXEEXT) to each filename in $F appearing in the Makefile
1582 # variable $MACRO if &PREDICATE($F) is true. @substitutions@ are
1585 # This is typically used on all filenames of *_PROGRAMS, and filenames
1586 # of TESTS that are programs.
1587 sub append_exeext (&$)
1589 my ($pred, $macro) = @_;
1591 transform_variable_recursively
1592 ($macro, $macro, 'am__EXEEXT', 0, INTERNAL,
1594 my ($subvar, $val, $cond, $full_cond) = @_;
1595 # Append $(EXEEXT) unless the user did it already, or it's a
1598 if $val !~ /(?:\$\(EXEEXT\)$|^[@]\w+[@]$)/ && &$pred ($val);
1604 # Check to make sure a source defined in LIBOBJS is not explicitly
1605 # mentioned. This is a separate function (as opposed to being inlined
1606 # in handle_source_transform) because it isn't always appropriate to
1608 sub check_libobjs_sources
1610 my ($one_file, $unxformed) = @_;
1612 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1613 'dist_EXTRA_', 'nodist_EXTRA_')
1616 my $varname = $prefix . $one_file . '_SOURCES';
1617 my $var = var ($varname);
1620 @files = $var->value_as_list_recursive;
1622 elsif ($prefix eq '')
1624 @files = ($unxformed . '.c');
1631 foreach my $file (@files)
1633 err_var ($prefix . $one_file . '_SOURCES',
1634 "automatically discovered file '$file' should not" .
1635 " be explicitly mentioned")
1636 if defined $libsources{$file};
1643 # handle_single_transform ($VAR, $TOPPARENT, $DERIVED, $OBJ, $FILE, %TRANSFORM)
1644 # -----------------------------------------------------------------------------
1645 # Does much of the actual work for handle_source_transform.
1647 # $VAR is the name of the variable that the source filenames come from
1648 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1649 # $DERIVED is the name of resulting executable or library
1650 # $OBJ is the object extension (e.g., '.lo')
1651 # $FILE the source file to transform
1652 # %TRANSFORM contains extras arguments to pass to file_contents
1653 # when producing explicit rules
1654 # Result is a list of the names of objects
1655 # %linkers_used will be updated with any linkers needed
1656 sub handle_single_transform ($$$$$%)
1658 my ($var, $topparent, $derived, $obj, $_file, %transform) = @_;
1659 my @files = ($_file);
1662 # Turn sources into objects. We use a while loop like this
1663 # because we might add to @files in the loop.
1664 while (scalar @files > 0)
1668 # Configure substitutions in _SOURCES variables are errors.
1671 my $parent_msg = '';
1672 $parent_msg = "\nand is referred to from '$topparent'"
1673 if $topparent ne $var->name;
1675 "'" . $var->name . "' includes configure substitution '$_'"
1676 . $parent_msg . ";\nconfigure " .
1677 "substitutions are not allowed in _SOURCES variables");
1681 # If the source file is in a subdirectory then the '.o' is put
1682 # into the current directory, unless the subdir-objects option
1685 # Split file name into base and extension.
1686 next if ! /^(?:(.*)\/)?([^\/]*)($KNOWN_EXTENSIONS_PATTERN)$/;
1688 my $directory = $1 || '';
1692 # We must generate a rule for the object if it requires its own flags.
1694 my ($linker, $object);
1696 # This records whether we've seen a derived source file (e.g.
1698 my $derived_source = 0;
1700 # This holds the 'aggregate context' of the file we are
1701 # currently examining. If the file is compiled with
1702 # per-object flags, then it will be the name of the object.
1703 # Otherwise it will be 'AM'. This is used by the target hook
1704 # language function.
1705 my $aggregate = 'AM';
1707 $extension = &derive_suffix ($extension, $obj);
1709 if ($extension_map{$extension} &&
1710 ($lang = $languages{$extension_map{$extension}}))
1712 # Found the language, so see what it says.
1713 &saw_extension ($extension);
1715 # Do we have per-executable flags for this executable?
1716 my $have_per_exec_flags = 0;
1717 my @peflags = @{$lang->flags};
1718 push @peflags, 'LIBTOOLFLAGS' if $obj eq '.lo';
1719 foreach my $flag (@peflags)
1721 if (set_seen ("${derived}_$flag"))
1723 $have_per_exec_flags = 1;
1728 # Note: computed subr call. The language rewrite function
1729 # should return one of the LANG_* constants. It could
1730 # also return a list whose first value is such a constant
1731 # and whose second value is a new source extension which
1732 # should be applied. This means this particular language
1733 # generates another source file which we must then process
1735 my $subr = \&{'lang_' . $lang->name . '_rewrite'};
1736 my ($r, $source_extension)
1737 = &$subr ($directory, $base, $extension,
1738 $obj, $have_per_exec_flags, $var);
1739 # Skip this entry if we were asked not to process it.
1740 next if $r == LANG_IGNORE;
1742 # Now extract linker and other info.
1743 $linker = $lang->linker;
1746 if (defined $source_extension)
1748 $this_obj_ext = $source_extension;
1749 $derived_source = 1;
1753 $this_obj_ext = $obj;
1755 $object = $base . $this_obj_ext;
1757 if ($have_per_exec_flags)
1759 # We have a per-executable flag in effect for this
1760 # object. In this case we rewrite the object's
1761 # name to ensure it is unique.
1763 # We choose the name 'DERIVED_OBJECT' to ensure
1764 # (1) uniqueness, and (2) continuity between
1765 # invocations. However, this will result in a
1766 # name that is too long for losing systems, in
1767 # some situations. So we provide _SHORTNAME to
1770 my $dname = $derived;
1771 my $var = var ($derived . '_SHORTNAME');
1774 # FIXME: should use the same Condition as
1775 # the _SOURCES variable. But this is really
1776 # silly overkill -- nobody should have
1777 # conditional shortnames.
1778 $dname = $var->variable_value;
1780 $object = $dname . '-' . $object;
1782 prog_error ($lang->name . " flags defined without compiler")
1783 if ! defined $lang->compile;
1788 # If rewrite said it was ok, put the object into a
1790 if ($r == LANG_SUBDIR && $directory ne '')
1792 $object = $directory . '/' . $object;
1795 # If the object file has been renamed (because per-target
1796 # flags are used) we cannot compile the file with an
1797 # inference rule: we need an explicit rule.
1799 # If the source is in a subdirectory and the object is in
1800 # the current directory, we also need an explicit rule.
1802 # If both source and object files are in a subdirectory
1803 # (this happens when the subdir-objects option is used),
1804 # then the inference will work.
1806 # The latter case deserves a historical note. When the
1807 # subdir-objects option was added on 1999-04-11 it was
1808 # thought that inferences rules would work for
1809 # subdirectory objects too. Later, on 1999-11-22,
1810 # automake was changed to output explicit rules even for
1811 # subdir-objects. Nobody remembers why, but this occurred
1812 # soon after the merge of the user-dep-gen-branch so it
1813 # might be related. In late 2003 people complained about
1814 # the size of the generated Makefile.ins (libgcj, with
1815 # 2200+ subdir objects was reported to have a 9MB
1816 # Makefile), so we now rely on inference rules again.
1817 # Maybe we'll run across the same issue as in the past,
1818 # but at least this time we can document it. However since
1819 # dependency tracking has evolved it is possible that
1820 # our old problem no longer exists.
1821 # Using inference rules for subdir-objects has been tested
1822 # with GNU make, Solaris make, Ultrix make, BSD make,
1823 # HP-UX make, and OSF1 make successfully.
1825 || ($directory ne '' && ! option 'subdir-objects')
1826 # We must also use specific rules for a nodist_ source
1827 # if its language requests it.
1828 || ($lang->nodist_specific && ! $transform{'DIST_SOURCE'}))
1830 my $obj_sans_ext = substr ($object, 0,
1831 - length ($this_obj_ext));
1833 if ($directory ne '')
1835 $full_ansi = $directory . '/' . $base . $extension;
1839 $full_ansi = $base . $extension;
1842 my @specifics = ($full_ansi, $obj_sans_ext,
1843 # Only use $this_obj_ext in the derived
1844 # source case because in the other case we
1845 # *don't* want $(OBJEXT) to appear here.
1846 ($derived_source ? $this_obj_ext : '.o'),
1849 # If we renamed the object then we want to use the
1850 # per-executable flag name. But if this is simply a
1851 # subdir build then we still want to use the AM_ flag
1855 unshift @specifics, $derived;
1856 $aggregate = $derived;
1860 unshift @specifics, 'AM';
1863 # Each item on this list is a reference to a list consisting
1864 # of four values followed by additional transform flags for
1865 # file_contents. The four values are the derived flag prefix
1866 # (e.g. for 'foo_CFLAGS', it is 'foo'), the name of the
1867 # source file, the base name of the output file, and
1868 # the extension for the object file.
1869 push (@{$lang_specific_files{$lang->name}},
1870 [@specifics, %transform]);
1873 elsif ($extension eq $obj)
1875 # This is probably the result of a direct suffix rule.
1876 # In this case we just accept the rewrite.
1877 $object = "$base$extension";
1878 $object = "$directory/$object" if $directory ne '';
1883 # No error message here. Used to have one, but it was
1885 # FIXME: we could potentially do more processing here,
1886 # perhaps treating the new extension as though it were a
1887 # new source extension (as above). This would require
1888 # more restructuring than is appropriate right now.
1892 err_am "object '$object' created by '$full' and '$object_map{$object}'"
1893 if (defined $object_map{$object}
1894 && $object_map{$object} ne $full);
1896 my $comp_val = (($object =~ /\.lo$/)
1897 ? COMPILE_LIBTOOL : COMPILE_ORDINARY);
1898 (my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
1899 if (defined $object_compilation_map{$comp_obj}
1900 && $object_compilation_map{$comp_obj} != 0
1901 # Only see the error once.
1902 && ($object_compilation_map{$comp_obj}
1903 != (COMPILE_LIBTOOL | COMPILE_ORDINARY))
1904 && $object_compilation_map{$comp_obj} != $comp_val)
1906 err_am "object '$comp_obj' created both with libtool and without";
1908 $object_compilation_map{$comp_obj} |= $comp_val;
1912 # Let the language do some special magic if required.
1913 $lang->target_hook ($aggregate, $object, $full, %transform);
1916 if ($derived_source)
1918 prog_error ($lang->name . " has automatic dependency tracking")
1919 if $lang->autodep ne 'no';
1920 # Make sure this new source file is handled next. That will
1921 # make it appear to be at the right place in the list.
1922 unshift (@files, $object);
1923 # Distribute derived sources unless the source they are
1924 # derived from is not.
1925 &push_dist_common ($object)
1926 unless ($topparent =~ /^(?:nobase_)?nodist_/);
1930 $linkers_used{$linker} = 1;
1932 push (@result, $object);
1934 if (! defined $object_map{$object})
1937 $object_map{$object} = $full;
1939 # If resulting object is in subdir, we need to make
1940 # sure the subdir exists at build time.
1941 if ($object =~ /\//)
1943 # FIXME: check that $DIRECTORY is somewhere in the
1946 # For Java, the way we're handling it right now, a
1947 # '..' component doesn't make sense.
1948 if ($lang && $lang->name eq 'java' && $object =~ /(\/|^)\.\.\//)
1950 err_am "'$full' should not contain a '..' component";
1953 # Make sure object is removed by 'make mostlyclean'.
1954 $compile_clean_files{$object} = MOSTLY_CLEAN;
1955 # If we have a libtool object then we also must remove
1957 if ($object =~ /\.lo$/)
1959 (my $xobj = $object) =~ s,lo$,\$(OBJEXT),;
1960 $compile_clean_files{$xobj} = MOSTLY_CLEAN;
1962 # Remove any libtool object in this directory.
1963 $libtool_clean_directories{$directory} = 1;
1966 push (@dep_list, require_build_directory ($directory));
1968 # If we're generating dependencies, we also want
1969 # to make sure that the appropriate subdir of the
1970 # .deps directory is created.
1972 require_build_directory ($directory . '/$(DEPDIR)'))
1973 unless option 'no-dependencies';
1976 &pretty_print_rule ($object . ':', "\t", @dep_list)
1977 if scalar @dep_list > 0;
1980 # Transform .o or $o file into .P file (for automatic
1982 # Properly flatten multiple adjacent slashes, as Solaris 10 make
1983 # might fail over them in an include statement.
1984 # Leading double slashes may be special, as per Posix, so deal
1985 # with them carefully.
1986 if ($lang && $lang->autodep ne 'no')
1988 my $depfile = $object;
1989 $depfile =~ s/\.([^.]*)$/.P$1/;
1990 $depfile =~ s/\$\(OBJEXT\)$/o/;
1991 my $maybe_extra_leading_slash = '';
1992 $maybe_extra_leading_slash = '/' if $depfile =~ m,^//[^/],;
1993 $depfile =~ s,/+,/,g;
1994 my $basename = basename ($depfile);
1995 # This might make $dirname empty, but we account for that below.
1996 (my $dirname = dirname ($depfile)) =~ s/\/*$//;
1997 $dirname = $maybe_extra_leading_slash . $dirname;
1998 $dep_files{$dirname . '/$(DEPDIR)/' . $basename} = 1;
2007 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
2008 # $OBJ, $PARENT, $TOPPARENT, $WHERE, %TRANSFORM)
2009 # ---------------------------------------------------------------------------
2010 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
2013 # $VAR is the name of the _SOURCES variable
2014 # $OBJVAR is the name of the _OBJECTS variable if known (otherwise
2015 # it will be generated and returned).
2016 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
2017 # work done to determine the linker will be).
2018 # $ONE_FILE is the canonical (transformed) name of object to build
2019 # $OBJ is the object extension (i.e. either '.o' or '.lo').
2020 # $TOPPARENT is the _SOURCES variable being processed.
2021 # $WHERE context into which this definition is done
2022 # %TRANSFORM extra arguments to pass to file_contents when producing
2025 # Result is a pair ($LINKER, $OBJVAR):
2026 # $LINKER is a boolean, true if a linker is needed to deal with the objects
2027 sub define_objects_from_sources ($$$$$$$%)
2029 my ($var, $objvar, $nodefine, $one_file,
2030 $obj, $topparent, $where, %transform) = @_;
2032 my $needlinker = "";
2034 transform_variable_recursively
2035 ($var, $objvar, 'am__objects', $nodefine, $where,
2036 # The transform code to run on each filename.
2038 my ($subvar, $val, $cond, $full_cond) = @_;
2039 my @trans = handle_single_transform ($subvar, $topparent,
2040 $one_file, $obj, $val,
2042 $needlinker = "true" if @trans;
2050 # handle_source_transform ($CANON_TARGET, $TARGET, $OBJEXT, $WHERE, %TRANSFORM)
2051 # -----------------------------------------------------------------------------
2052 # Handle SOURCE->OBJECT transform for one program or library.
2054 # canonical (transformed) name of target to build
2055 # actual target of object to build
2056 # object extension (i.e., either '.o' or '$o')
2057 # location of the source variable
2058 # extra arguments to pass to file_contents when producing rules
2059 # Return the name of the linker variable that must be used.
2060 # Empty return means just use 'LINK'.
2061 sub handle_source_transform ($$$$%)
2063 # one_file is canonical name. unxformed is given name. obj is
2065 my ($one_file, $unxformed, $obj, $where, %transform) = @_;
2069 # No point in continuing if _OBJECTS is defined.
2070 return if reject_var ($one_file . '_OBJECTS',
2071 $one_file . '_OBJECTS should not be defined');
2076 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
2077 'dist_EXTRA_', 'nodist_EXTRA_')
2079 my $varname = $prefix . $one_file . "_SOURCES";
2080 my $var = var $varname;
2083 # We are going to define _OBJECTS variables using the prefix.
2084 # Then we glom them all together. So we can't use the null
2085 # prefix here as we need it later.
2086 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
2088 # Keep track of which prefixes we saw.
2089 $used_pfx{$xpfx} = 1
2090 unless $prefix =~ /EXTRA_/;
2092 push @sources, "\$($varname)";
2093 push @dist_sources, shadow_unconditionally ($varname, $where)
2094 unless (option ('no-dist') || $prefix =~ /^nodist_/);
2097 define_objects_from_sources ($varname,
2098 $xpfx . $one_file . '_OBJECTS',
2099 $prefix =~ /EXTRA_/,
2100 $one_file, $obj, $varname, $where,
2101 DIST_SOURCE => ($prefix !~ /^nodist_/),
2106 $linker ||= &resolve_linker (%linkers_used);
2109 my @keys = sort keys %used_pfx;
2110 if (scalar @keys == 0)
2112 # The default source for libfoo.la is libfoo.c, but for
2113 # backward compatibility we first look at libfoo_la.c,
2114 # if no default source suffix is given.
2115 my $old_default_source = "$one_file.c";
2116 my $ext_var = var ('AM_DEFAULT_SOURCE_EXT');
2117 my $default_source_ext = $ext_var ? variable_value ($ext_var) : '.c';
2118 msg_var ('unsupported', $ext_var, $ext_var->name . " can assume at most one value")
2119 if $default_source_ext =~ /[\t ]/;
2120 (my $default_source = $unxformed) =~ s,(\.[^./\\]*)?$,$default_source_ext,;
2121 if ($old_default_source ne $default_source
2123 && (rule $old_default_source
2124 || rule '$(srcdir)/' . $old_default_source
2125 || rule '${srcdir}/' . $old_default_source
2126 || -f $old_default_source))
2128 my $loc = $where->clone;
2130 msg ('obsolete', $loc,
2131 "the default source for '$unxformed' has been changed "
2132 . "to '$default_source'.\n(Using '$old_default_source' for "
2133 . "backward compatibility.)");
2134 $default_source = $old_default_source;
2136 # If a rule exists to build this source with a $(srcdir)
2137 # prefix, use that prefix in our variables too. This is for
2138 # the sake of BSD Make.
2139 if (rule '$(srcdir)/' . $default_source
2140 || rule '${srcdir}/' . $default_source)
2142 $default_source = '$(srcdir)/' . $default_source;
2145 &define_variable ($one_file . "_SOURCES", $default_source, $where);
2146 push (@sources, $default_source);
2147 push (@dist_sources, $default_source);
2151 handle_single_transform ($one_file . '_SOURCES',
2152 $one_file . '_SOURCES',
2154 $default_source, %transform);
2155 $linker ||= &resolve_linker (%linkers_used);
2156 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @result);
2160 @keys = map { '$(' . $_ . $one_file . '_OBJECTS)' } @keys;
2161 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @keys);
2164 # If we want to use 'LINK' we must make sure it is defined.
2174 # handle_lib_objects ($XNAME, $VAR)
2175 # ---------------------------------
2176 # Special-case ALLOCA and LIBOBJS substitutions in _LDADD or _LIBADD variables.
2177 # Also, generate _DEPENDENCIES variable if appropriate.
2179 # transformed name of object being built, or empty string if no object
2180 # name of _LDADD/_LIBADD-type variable to examine
2181 # Returns 1 if LIBOBJS seen, 0 otherwise.
2182 sub handle_lib_objects
2184 my ($xname, $varname) = @_;
2186 my $var = var ($varname);
2187 prog_error "'$varname' undefined"
2189 prog_error "unexpected variable name '$varname'"
2190 unless $varname =~ /^(.*)(?:LIB|LD)ADD$/;
2191 my $prefix = $1 || 'AM_';
2193 my $seen_libobjs = 0;
2196 transform_variable_recursively
2197 ($varname, $xname . '_DEPENDENCIES', 'am__DEPENDENCIES',
2199 # Transformation function, run on each filename.
2201 my ($subvar, $val, $cond, $full_cond) = @_;
2205 # Skip -lfoo and -Ldir silently; these are explicitly allowed.
2206 if ($val !~ /^-[lL]/ &&
2207 # Skip -dlopen and -dlpreopen; these are explicitly allowed
2208 # for Libtool libraries or programs. (Actually we are a bit
2209 # lax here since this code also applies to non-libtool
2210 # libraries or programs, for which -dlopen and -dlopreopen
2211 # are pure nonsense. Diagnosing this doesn't seem very
2212 # important: the developer will quickly get complaints from
2214 $val !~ /^-dl(?:pre)?open$/ &&
2215 # Only get this error once.
2219 # FIXME: should display a stack of nested variables
2220 # as context when $var != $subvar.
2221 err_var ($var, "linker flags such as '$val' belong in "
2222 . "'${prefix}LDFLAGS'");
2226 elsif ($val !~ /^\@.*\@$/)
2228 # Assume we have a file of some sort, and output it into the
2229 # dependency variable. Autoconf substitutions are not output;
2230 # rarely is a new dependency substituted into e.g. foo_LDADD
2231 # -- but bad things (e.g. -lX11) are routinely substituted.
2232 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
2233 # and handled specially below.
2236 elsif ($val =~ /^\@(LT)?LIBOBJS\@$/)
2238 handle_LIBOBJS ($subvar, $cond, $1);
2242 elsif ($val =~ /^\@(LT)?ALLOCA\@$/)
2244 handle_ALLOCA ($subvar, $cond, $1);
2253 return $seen_libobjs;
2256 # handle_LIBOBJS_or_ALLOCA ($VAR)
2257 # -------------------------------
2258 # Definitions common to LIBOBJS and ALLOCA.
2259 # VAR should be one of LIBOBJS, LTLIBOBJS, ALLOCA, or LTALLOCA.
2260 sub handle_LIBOBJS_or_ALLOCA ($)
2266 # If LIBOBJS files must be built in another directory we have
2267 # to define LIBOBJDIR and ensure the files get cleaned.
2268 # Otherwise LIBOBJDIR can be left undefined, and the cleaning
2269 # is achieved by 'rm -f *.$(OBJEXT)' in compile.am.
2270 if ($config_libobj_dir
2271 && $relative_dir ne $config_libobj_dir)
2273 if (option 'subdir-objects')
2275 # In the top-level Makefile we do not use $(top_builddir), because
2276 # we are already there, and since the targets are built without
2277 # a $(top_builddir), it helps BSD Make to match them with
2279 $dir = "$config_libobj_dir/" if $config_libobj_dir ne '.';
2280 $dir = "$topsrcdir/$dir" if $relative_dir ne '.';
2281 define_variable ('LIBOBJDIR', "$dir", INTERNAL);
2282 $clean_files{"\$($var)"} = MOSTLY_CLEAN;
2283 # If LTLIBOBJS is used, we must also clear LIBOBJS (which might
2284 # be created by libtool as a side-effect of creating LTLIBOBJS).
2285 $clean_files{"\$($var)"} = MOSTLY_CLEAN if $var =~ s/^LT//;
2289 error ("'\$($var)' cannot be used outside '$config_libobj_dir' if"
2290 . " 'subdir-objects' is not set");
2297 sub handle_LIBOBJS ($$$)
2299 my ($var, $cond, $lt) = @_;
2300 my $myobjext = $lt ? 'lo' : 'o';
2303 $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
2304 if ! keys %libsources;
2306 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}LIBOBJS";
2308 foreach my $iter (keys %libsources)
2310 if ($iter =~ /\.[cly]$/)
2312 &saw_extension ($&);
2313 &saw_extension ('.c');
2316 if ($iter =~ /\.h$/)
2318 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2320 elsif ($iter ne 'alloca.c')
2322 my $rewrite = $iter;
2323 $rewrite =~ s/\.c$/.P$myobjext/;
2324 $dep_files{$dir . '$(DEPDIR)/' . $rewrite} = 1;
2325 $rewrite = "^" . quotemeta ($iter) . "\$";
2326 # Only require the file if it is not a built source.
2327 my $bs = var ('BUILT_SOURCES');
2328 if (! $bs || ! grep (/$rewrite/, $bs->value_as_list_recursive))
2330 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2336 sub handle_ALLOCA ($$$)
2338 my ($var, $cond, $lt) = @_;
2339 my $myobjext = $lt ? 'lo' : 'o';
2341 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}ALLOCA";
2343 $var->requires_variables ("\@${lt}ALLOCA\@ used", $lt . 'ALLOCA');
2344 $dep_files{$dir . '$(DEPDIR)/alloca.P' . $myobjext} = 1;
2345 require_libsource_with_macro ($cond, $var, FOREIGN, 'alloca.c');
2346 &saw_extension ('.c');
2349 # Canonicalize the input parameter
2353 $string =~ tr/A-Za-z0-9_\@/_/c;
2357 # Canonicalize a name, and check to make sure the non-canonical name
2358 # is never used. Returns canonical name. Arguments are name and a
2359 # list of suffixes to check for.
2360 sub check_canonical_spelling
2362 my ($name, @suffixes) = @_;
2364 my $xname = &canonicalize ($name);
2365 if ($xname ne $name)
2367 foreach my $xt (@suffixes)
2369 reject_var ("$name$xt", "use '$xname$xt', not '$name$xt'");
2379 # Set up the compile suite.
2380 sub handle_compile ()
2382 return if ! $must_handle_compiled_objects;
2385 my $default_includes = '';
2386 if (! option 'nostdinc')
2388 my @incs = ('-I.', subst ('am__isrc'));
2390 my $var = var 'CONFIG_HEADER';
2393 foreach my $hdr (split (' ', $var->variable_value))
2395 push @incs, '-I' . dirname ($hdr);
2398 # We want '-I. -I$(srcdir)', but the latter -I is redundant
2399 # and unaesthetic in non-VPATH builds. We use `-I.@am__isrc@`
2400 # instead. It will be replaced by '-I.' or '-I. -I$(srcdir)'.
2401 # Items in CONFIG_HEADER are never in $(srcdir) so it is safe
2402 # to just put @am__isrc@ right after '-I.', without a space.
2403 ($default_includes = ' ' . uniq (@incs)) =~ s/ @/@/;
2406 my (@mostly_rms, @dist_rms);
2407 foreach my $item (sort keys %compile_clean_files)
2409 if ($compile_clean_files{$item} == MOSTLY_CLEAN)
2411 push (@mostly_rms, "\t-rm -f $item");
2413 elsif ($compile_clean_files{$item} == DIST_CLEAN)
2415 push (@dist_rms, "\t-rm -f $item");
2419 prog_error 'invalid entry in %compile_clean_files';
2423 my ($coms, $vars, $rules) =
2424 &file_contents_internal (1, "$libdir/am/compile.am",
2425 new Automake::Location,
2426 ('DEFAULT_INCLUDES' => $default_includes,
2427 'MOSTLYRMS' => join ("\n", @mostly_rms),
2428 'DISTRMS' => join ("\n", @dist_rms)));
2429 $output_vars .= $vars;
2430 $output_rules .= "$coms$rules";
2435 # Handle libtool rules.
2438 return unless var ('LIBTOOL');
2440 # Libtool requires some files, but only at top level.
2441 # (Starting with Libtool 2.0 we do not have to bother. These
2442 # requirements are done with AC_REQUIRE_AUX_FILE.)
2443 require_conf_file_with_macro (TRUE, 'LIBTOOL', FOREIGN, @libtool_files)
2444 if $relative_dir eq '.' && ! $libtool_new_api;
2447 foreach my $item (sort keys %libtool_clean_directories)
2449 my $dir = ($item eq '.') ? '' : "$item/";
2450 # .libs is for Unix, _libs for DOS.
2451 push (@libtool_rms, "\t-rm -rf ${dir}.libs ${dir}_libs");
2454 check_user_variables 'LIBTOOLFLAGS';
2456 # Output the libtool compilation rules.
2457 $output_rules .= &file_contents ('libtool',
2458 new Automake::Location,
2459 LTRMS => join ("\n", @libtool_rms));
2462 # handle_programs ()
2463 # ------------------
2464 # Handle C programs.
2467 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2468 'bin', 'sbin', 'libexec', 'pkglibexec',
2470 return if ! @proglist;
2471 $must_handle_compiled_objects = 1;
2473 my $seen_global_libobjs =
2474 var ('LDADD') && &handle_lib_objects ('', 'LDADD');
2476 foreach my $pair (@proglist)
2478 my ($where, $one_file) = @$pair;
2480 my $seen_libobjs = 0;
2481 my $obj = '.$(OBJEXT)';
2483 $known_programs{$one_file} = $where;
2485 # Canonicalize names and check for misspellings.
2486 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2487 '_SOURCES', '_OBJECTS',
2490 $where->push_context ("while processing program '$one_file'");
2491 $where->set (INTERNAL->get);
2493 my $linker = &handle_source_transform ($xname, $one_file, $obj, $where,
2494 NONLIBTOOL => 1, LIBTOOL => 0);
2496 if (var ($xname . "_LDADD"))
2498 $seen_libobjs = &handle_lib_objects ($xname, $xname . '_LDADD');
2502 # User didn't define prog_LDADD override. So do it.
2503 &define_variable ($xname . '_LDADD', '$(LDADD)', $where);
2505 # This does a bit too much work. But we need it to
2506 # generate _DEPENDENCIES when appropriate.
2509 $seen_libobjs = &handle_lib_objects ($xname, 'LDADD');
2513 reject_var ($xname . '_LIBADD',
2514 "use '${xname}_LDADD', not '${xname}_LIBADD'");
2516 set_seen ($xname . '_DEPENDENCIES');
2517 set_seen ('EXTRA_' . $xname . '_DEPENDENCIES');
2518 set_seen ($xname . '_LDFLAGS');
2520 # Determine program to use for link.
2521 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xname);
2522 $vlink = verbose_flag ($vlink || 'GEN');
2524 # If the resulting program lies into a subdirectory,
2525 # make sure this directory will exist.
2526 my $dirstamp = require_build_directory_maybe ($one_file);
2528 $libtool_clean_directories{dirname ($one_file)} = 1;
2530 $output_rules .= &file_contents ('program',
2532 PROGRAM => $one_file,
2536 DIRSTAMP => $dirstamp,
2537 EXEEXT => '$(EXEEXT)');
2539 if ($seen_libobjs || $seen_global_libobjs)
2541 if (var ($xname . '_LDADD'))
2543 &check_libobjs_sources ($xname, $xname . '_LDADD');
2545 elsif (var ('LDADD'))
2547 &check_libobjs_sources ($xname, 'LDADD');
2554 # handle_libraries ()
2555 # -------------------
2557 sub handle_libraries
2559 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2560 'lib', 'pkglib', 'noinst', 'check');
2561 return if ! @liblist;
2562 $must_handle_compiled_objects = 1;
2564 my @prefix = am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2569 my $var = rvar ($prefix[0] . '_LIBRARIES');
2570 $var->requires_variables ('library used', 'RANLIB');
2573 &define_variable ('AR', 'ar', INTERNAL);
2574 &define_variable ('ARFLAGS', 'cru', INTERNAL);
2575 &define_verbose_tagvar ('AR');
2577 foreach my $pair (@liblist)
2579 my ($where, $onelib) = @$pair;
2581 my $seen_libobjs = 0;
2582 # Check that the library fits the standard naming convention.
2583 my $bn = basename ($onelib);
2584 if ($bn !~ /^lib.*\.a$/)
2586 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.a/;
2587 my $suggestion = dirname ($onelib) . "/$bn";
2588 $suggestion =~ s|^\./||g;
2589 msg ('error-gnu/warn', $where,
2590 "'$onelib' is not a standard library name\n"
2591 . "did you mean '$suggestion'?")
2594 ($known_libraries{$onelib} = $bn) =~ s/\.a$//;
2596 $where->push_context ("while processing library '$onelib'");
2597 $where->set (INTERNAL->get);
2599 my $obj = '.$(OBJEXT)';
2601 # Canonicalize names and check for misspellings.
2602 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2603 '_OBJECTS', '_DEPENDENCIES',
2606 if (! var ($xlib . '_AR'))
2608 &define_variable ($xlib . '_AR', '$(AR) $(ARFLAGS)', $where);
2611 # Generate support for conditional object inclusion in
2613 if (var ($xlib . '_LIBADD'))
2615 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2622 &define_variable ($xlib . "_LIBADD", '', $where);
2625 reject_var ($xlib . '_LDADD',
2626 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2628 # Make sure we at look at this.
2629 set_seen ($xlib . '_DEPENDENCIES');
2630 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2632 &handle_source_transform ($xlib, $onelib, $obj, $where,
2633 NONLIBTOOL => 1, LIBTOOL => 0);
2635 # If the resulting library lies into a subdirectory,
2636 # make sure this directory will exist.
2637 my $dirstamp = require_build_directory_maybe ($onelib);
2638 my $verbose = verbose_flag ('AR');
2639 my $silent = silent_flag ();
2641 $output_rules .= &file_contents ('library',
2643 VERBOSE => $verbose,
2647 DIRSTAMP => $dirstamp);
2651 if (var ($xlib . '_LIBADD'))
2653 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2659 msg ('extra-portability', $where,
2660 "'$onelib': linking libraries using a non-POSIX\n"
2661 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2667 # handle_ltlibraries ()
2668 # ---------------------
2669 # Handle shared libraries.
2670 sub handle_ltlibraries
2672 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2673 'noinst', 'lib', 'pkglib', 'check');
2674 return if ! @liblist;
2675 $must_handle_compiled_objects = 1;
2677 my @prefix = am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2682 my $var = rvar ($prefix[0] . '_LTLIBRARIES');
2683 $var->requires_variables ('Libtool library used', 'LIBTOOL');
2687 my %instsubdirs = ();
2689 my %liblocations = (); # Location (in Makefile.am) of each library.
2691 foreach my $key (@prefix)
2693 # Get the installation directory of each library.
2695 my $strip_subdir = 1;
2696 if ($dir =~ /^nobase_/)
2698 $dir =~ s/^nobase_//;
2701 my $var = rvar ($key . '_LTLIBRARIES');
2703 # We reject libraries which are installed in several places
2704 # in the same condition, because we can only specify one
2706 $var->traverse_recursively
2709 my ($var, $val, $cond, $full_cond) = @_;
2710 my $hcond = $full_cond->human;
2711 my $where = $var->rdef ($cond)->location;
2713 $ldir = '/' . dirname ($val)
2714 if (!$strip_subdir);
2715 # A library cannot be installed in different directories
2716 # in overlapping conditions.
2717 if (exists $instconds{$val})
2720 $instconds{$val}->ambiguous_p ($val, $full_cond);
2724 error ($where, $msg, partial => 1);
2725 my $dirtxt = "installed " . ($strip_subdir ? "in" : "below") . " '$dir'";
2726 $dirtxt = "built for '$dir'"
2727 if $dir eq 'EXTRA' || $dir eq 'noinst' || $dir eq 'check';
2729 $full_cond->true ? "" : " in condition $hcond";
2731 error ($where, "'$val' should be $dirtxt$dircond ...",
2734 my $hacond = $acond->human;
2735 my $adir = $instdirs{$val}{$acond};
2736 my $adirtxt = "installed in '$adir'";
2737 $adirtxt = "built for '$adir'"
2738 if ($adir eq 'EXTRA' || $adir eq 'noinst'
2739 || $adir eq 'check');
2740 my $adircond = $acond->true ? "" : " in condition $hacond";
2742 my $onlyone = ($dir ne $adir) ?
2743 ("\nLibtool libraries can be built for only one "
2744 . "destination") : "";
2746 error ($liblocations{$val}{$acond},
2747 "... and should also be $adirtxt$adircond.$onlyone");
2753 $instconds{$val} = new Automake::DisjConditions;
2755 $instdirs{$val}{$full_cond} = $dir;
2756 $instsubdirs{$val}{$full_cond} = $ldir;
2757 $liblocations{$val}{$full_cond} = $where;
2758 $instconds{$val} = $instconds{$val}->merge ($full_cond);
2764 skip_ac_subst => 1);
2767 foreach my $pair (@liblist)
2769 my ($where, $onelib) = @$pair;
2771 my $seen_libobjs = 0;
2774 # Canonicalize names and check for misspellings.
2775 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2776 '_SOURCES', '_OBJECTS',
2779 # Check that the library fits the standard naming convention.
2780 my $libname_rx = '^lib.*\.la';
2781 my $ldvar = var ("${xlib}_LDFLAGS") || var ('AM_LDFLAGS');
2782 my $ldvar2 = var ('LDFLAGS');
2783 if (($ldvar && grep (/-module/, $ldvar->value_as_list_recursive))
2784 || ($ldvar2 && grep (/-module/, $ldvar2->value_as_list_recursive)))
2786 # Relax name checking for libtool modules.
2787 $libname_rx = '\.la';
2790 my $bn = basename ($onelib);
2791 if ($bn !~ /$libname_rx$/)
2793 my $type = 'library';
2794 if ($libname_rx eq '\.la')
2796 $bn =~ s/^(lib|)(.*?)(?:\.[^.]*)?$/$1$2.la/;
2801 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.la/;
2803 my $suggestion = dirname ($onelib) . "/$bn";
2804 $suggestion =~ s|^\./||g;
2805 msg ('error-gnu/warn', $where,
2806 "'$onelib' is not a standard libtool $type name\n"
2807 . "did you mean '$suggestion'?")
2810 ($known_libraries{$onelib} = $bn) =~ s/\.la$//;
2812 $where->push_context ("while processing Libtool library '$onelib'");
2813 $where->set (INTERNAL->get);
2815 # Make sure we look at these.
2816 set_seen ($xlib . '_LDFLAGS');
2817 set_seen ($xlib . '_DEPENDENCIES');
2818 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2820 # Generate support for conditional object inclusion in
2822 if (var ($xlib . '_LIBADD'))
2824 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2831 &define_variable ($xlib . "_LIBADD", '', $where);
2834 reject_var ("${xlib}_LDADD",
2835 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2838 my $linker = &handle_source_transform ($xlib, $onelib, $obj, $where,
2839 NONLIBTOOL => 0, LIBTOOL => 1);
2841 # Determine program to use for link.
2842 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xlib);
2843 $vlink = verbose_flag ($vlink || 'GEN');
2845 my $rpathvar = "am_${xlib}_rpath";
2846 my $rpath = "\$($rpathvar)";
2847 foreach my $rcond ($instconds{$onelib}->conds)
2850 if ($instdirs{$onelib}{$rcond} eq 'EXTRA'
2851 || $instdirs{$onelib}{$rcond} eq 'noinst'
2852 || $instdirs{$onelib}{$rcond} eq 'check')
2854 # It's an EXTRA_ library, so we can't specify -rpath,
2855 # because we don't know where the library will end up.
2856 # The user probably knows, but generally speaking automake
2857 # doesn't -- and in fact configure could decide
2858 # dynamically between two different locations.
2863 $val = ('-rpath $(' . $instdirs{$onelib}{$rcond} . 'dir)');
2864 $val .= $instsubdirs{$onelib}{$rcond}
2865 if defined $instsubdirs{$onelib}{$rcond};
2869 # If $rcond is true there is only one condition and
2870 # there is no point defining an helper variable.
2875 define_pretty_variable ($rpathvar, $rcond, INTERNAL, $val);
2879 # If the resulting library lies into a subdirectory,
2880 # make sure this directory will exist.
2881 my $dirstamp = require_build_directory_maybe ($onelib);
2883 # Remember to cleanup .libs/ in this directory.
2884 my $dirname = dirname $onelib;
2885 $libtool_clean_directories{$dirname} = 1;
2887 $output_rules .= &file_contents ('ltlibrary',
2889 LTLIBRARY => $onelib,
2890 XLTLIBRARY => $xlib,
2894 DIRSTAMP => $dirstamp);
2897 if (var ($xlib . '_LIBADD'))
2899 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2905 msg ('extra-portability', $where,
2906 "'$onelib': linking libtool libraries using a non-POSIX\n"
2907 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2912 # See if any _SOURCES variable were misspelled.
2915 # It is ok if the user sets this particular variable.
2916 set_seen 'AM_LDFLAGS';
2918 foreach my $primary ('SOURCES', 'LIBADD', 'LDADD', 'LDFLAGS', 'DEPENDENCIES')
2920 foreach my $var (variables $primary)
2922 my $varname = $var->name;
2923 # A configure variable is always legitimate.
2924 next if exists $configure_vars{$varname};
2926 for my $cond ($var->conditions->conds)
2928 $varname =~ /^(?:EXTRA_)?(?:nobase_)?(?:dist_|nodist_)?(.*)_[[:alnum:]]+$/;
2929 msg_var ('syntax', $var, "variable '$varname' is defined but no"
2930 . " program or\nlibrary has '$1' as canonical name"
2931 . " (possible typo)")
2932 unless $var->rdef ($cond)->seen;
2942 # NOTE we no longer automatically clean SCRIPTS, because it is
2943 # useful to sometimes distribute scripts verbatim. This happens
2944 # e.g. in Automake itself.
2945 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2946 'bin', 'sbin', 'libexec', 'pkglibexec', 'pkgdata',
2953 ## ------------------------ ##
2954 ## Handling Texinfo files. ##
2955 ## ------------------------ ##
2957 # ($OUTFILE, $VFILE, @CLEAN_FILES)
2958 # &scan_texinfo_file ($FILENAME)
2959 # ------------------------------
2960 # $OUTFILE - name of the info file produced by $FILENAME.
2961 # $VFILE - name of the version.texi file used (undef if none).
2962 # @CLEAN_FILES - list of byproducts (indexes etc.)
2963 sub scan_texinfo_file ($)
2965 my ($filename) = @_;
2967 # Some of the following extensions are always created, no matter
2968 # whether indexes are used or not. Other (like cps, fns, ... pgs)
2969 # are only created when they are used. We used to scan $FILENAME
2970 # for their use, but that is not enough: they could be used in
2971 # included files. We can't scan included files because we don't
2972 # know the include path. Therefore we always erase these files, no
2973 # matter whether they are used or not.
2975 # (tmp is only created if an @macro is used and a certain e-TeX
2976 # feature is not available.)
2977 my %clean_suffixes =
2978 map { $_ => 1 } (qw(aux log toc tmp
2984 pg pgs)); # grep 'new.*index' texinfo.tex
2986 my $texi = new Automake::XFile "< $filename";
2987 verb "reading $filename";
2989 my ($outfile, $vfile);
2990 while ($_ = $texi->getline)
2992 if (/^\@setfilename +(\S+)/)
2994 # Honor only the first @setfilename. (It's possible to have
2995 # more occurrences later if the manual shows examples of how
2996 # to use @setfilename...)
3000 if ($outfile =~ /\.([^.]+)$/ && $1 ne 'info')
3002 error ("$filename:$.",
3003 "output '$outfile' has unrecognized extension");
3007 # A "version.texi" file is actually any file whose name matches
3009 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
3014 # Try to find new or unused indexes.
3016 # Creating a new category of index.
3017 elsif (/^\@def(code)?index (\w+)/)
3019 $clean_suffixes{$2} = 1;
3020 $clean_suffixes{"$2s"} = 1;
3023 # Merging an index into an another.
3024 elsif (/^\@syn(code)?index (\w+) (\w+)/)
3026 delete $clean_suffixes{"$2s"};
3027 $clean_suffixes{"$3s"} = 1;
3034 err_am "'$filename' missing \@setfilename";
3038 my $infobase = basename ($filename);
3039 $infobase =~ s/\.te?xi(nfo)?$//;
3040 return ($outfile, $vfile,
3041 map { "$infobase.$_" } (sort keys %clean_suffixes));
3045 # ($DIRSTAMP, @CLEAN_FILES)
3046 # output_texinfo_build_rules ($SOURCE, $DEST, $INSRC, @DEPENDENCIES)
3047 # ------------------------------------------------------------------
3048 # SOURCE - the source Texinfo file
3049 # DEST - the destination Info file
3050 # INSRC - whether DEST should be built in the source tree
3051 # DEPENDENCIES - known dependencies
3052 sub output_texinfo_build_rules ($$$@)
3054 my ($source, $dest, $insrc, @deps) = @_;
3056 # Split 'a.texi' into 'a' and '.texi'.
3057 my ($spfx, $ssfx) = ($source =~ /^(.*?)(\.[^.]*)?$/);
3058 my ($dpfx, $dsfx) = ($dest =~ /^(.*?)(\.[^.]*)?$/);
3063 # We can output two kinds of rules: the "generic" rules use Make
3064 # suffix rules and are appropriate when $source and $dest do not lie
3065 # in a sub-directory; the "specific" rules are needed in the other
3068 # The former are output only once (this is not really apparent here,
3069 # but just remember that some logic deeper in Automake will not
3070 # output the same rule twice); while the later need to be output for
3071 # each Texinfo source.
3074 my $sdir = dirname $source;
3075 if ($sdir eq '.' && dirname ($dest) eq '.')
3078 $makeinfoflags = '-I $(srcdir)';
3083 $makeinfoflags = "-I $sdir -I \$(srcdir)/$sdir";
3086 # A directory can contain two kinds of info files: some built in the
3087 # source tree, and some built in the build tree. The rules are
3088 # different in each case. However we cannot output two different
3089 # set of generic rules. Because in-source builds are more usual, we
3090 # use generic rules in this case and fall back to "specific" rules
3091 # for build-dir builds. (It should not be a problem to invert this
3093 $generic = 0 unless $insrc;
3095 # We cannot use a suffix rule to build info files with an empty
3096 # extension. Otherwise we would output a single suffix inference
3097 # rule, with separate dependencies, as in
3101 # foo.info: foo.texi
3103 # which confuse Solaris make. (See the Autoconf manual for
3104 # details.) Therefore we use a specific rule in this case. This
3105 # applies to info files only (dvi and pdf files always have an
3107 my $generic_info = ($generic && $dsfx) ? 1 : 0;
3109 # If the resulting file lie into a subdirectory,
3110 # make sure this directory will exist.
3111 my $dirstamp = require_build_directory_maybe ($dest);
3113 my $dipfx = ($insrc ? '$(srcdir)/' : '') . $dpfx;
3115 $output_rules .= file_contents ('texibuild',
3116 new Automake::Location,
3117 AM_V_MAKEINFO => verbose_flag('MAKEINFO'),
3118 AM_V_TEXI2DVI => verbose_flag('TEXI2DVI'),
3119 AM_V_TEXI2PDF => verbose_flag('TEXI2PDF'),
3121 DEST_PREFIX => $dpfx,
3122 DEST_INFO_PREFIX => $dipfx,
3123 DEST_SUFFIX => $dsfx,
3124 DIRSTAMP => $dirstamp,
3125 GENERIC => $generic,
3126 GENERIC_INFO => $generic_info,
3128 MAKEINFOFLAGS => $makeinfoflags,
3129 SILENT => silent_flag(),
3132 SOURCE_INFO => ($generic_info
3134 SOURCE_REAL => $source,
3135 SOURCE_SUFFIX => $ssfx,
3136 TEXIQUIET => verbose_flag('texinfo'),
3137 TEXIDEVNULL => verbose_flag('texidevnull'),
3139 return ($dirstamp, "$dpfx.dvi", "$dpfx.pdf", "$dpfx.ps", "$dpfx.html");
3143 # ($MOSTLYCLEAN, $TEXICLEAN, $MAINTCLEAN)
3144 # handle_texinfo_helper ($info_texinfos)
3145 # --------------------------------------
3146 # Handle all Texinfo source; helper for handle_texinfo.
3147 sub handle_texinfo_helper ($)
3149 my ($info_texinfos) = @_;
3150 my (@infobase, @info_deps_list, @texi_deps);
3153 my (@mostly_cleans, @texi_cleans, @maint_cleans) = ('', '', '');
3155 # Build a regex matching user-cleaned files.
3156 my $d = var 'DISTCLEANFILES';
3157 my $c = var 'CLEANFILES';
3159 push @f, $d->value_as_list_recursive (inner_expand => 1) if $d;
3160 push @f, $c->value_as_list_recursive (inner_expand => 1) if $c;
3161 @f = map { s|[^A-Za-z_0-9*\[\]\-]|\\$&|g; s|\*|[^/]*|g; $_; } @f;
3162 my $user_cleaned_files = '^(?:' . join ('|', @f) . ')$';
3165 ($info_texinfos->value_as_list_recursive (inner_expand => 1))
3167 my $infobase = $texi;
3168 $infobase =~ s/\.(txi|texinfo|texi)$//;
3170 if ($infobase eq $texi)
3172 # FIXME: report line number.
3173 err_am "texinfo file '$texi' has unrecognized extension";
3177 push @infobase, $infobase;
3179 # If 'version.texi' is referenced by input file, then include
3180 # automatic versioning capability.
3181 my ($out_file, $vtexi, @clean_files) =
3182 scan_texinfo_file ("$relative_dir/$texi")
3184 push (@mostly_cleans, @clean_files);
3186 # If the Texinfo source is in a subdirectory, create the
3187 # resulting info in this subdirectory. If it is in the current
3188 # directory, try hard to not prefix "./" because it breaks the
3190 my $outdir = dirname ($texi) . '/';
3191 $outdir = "" if $outdir eq './';
3192 $out_file = $outdir . $out_file;
3194 # Until Automake 1.6.3, .info files were built in the
3195 # source tree. This was an obstacle to the support of
3196 # non-distributed .info files, and non-distributed .texi
3199 # * Non-distributed .texi files is important in some packages
3200 # where .texi files are built at make time, probably using
3201 # other binaries built in the package itself, maybe using
3202 # tools or information found on the build host. Because
3203 # these files are not distributed they are always rebuilt
3204 # at make time; they should therefore not lie in the source
3205 # directory. One plan was to support this using
3206 # nodist_info_TEXINFOS or something similar. (Doing this
3207 # requires some sanity checks. For instance Automake should
3209 # dist_info_TEXINFOS = foo.texi
3210 # nodist_foo_TEXINFOS = included.texi
3211 # because a distributed file should never depend on a
3212 # non-distributed file.)
3214 # * If .texi files are not distributed, then .info files should
3215 # not be distributed either. There are also cases where one
3216 # wants to distribute .texi files, but does not want to
3217 # distribute the .info files. For instance the Texinfo package
3218 # distributes the tool used to build these files; it would
3219 # be a waste of space to distribute them. It's not clear
3220 # which syntax we should use to indicate that .info files should
3221 # not be distributed. Akim Demaille suggested that eventually
3222 # we switch to a new syntax:
3223 # | Maybe we should take some inspiration from what's already
3224 # | done in the rest of Automake. Maybe there is too much
3225 # | syntactic sugar here, and you want
3226 # | nodist_INFO = bar.info
3227 # | dist_bar_info_SOURCES = bar.texi
3228 # | bar_texi_DEPENDENCIES = foo.texi
3229 # | with a bit of magic to have bar.info represent the whole
3230 # | bar*info set. That's a lot more verbose that the current
3231 # | situation, but it is # not new, hence the user has less
3234 # | But there is still too much room for meaningless specs:
3235 # | nodist_INFO = bar.info
3236 # | dist_bar_info_SOURCES = bar.texi
3237 # | dist_PS = bar.ps something-written-by-hand.ps
3238 # | nodist_bar_ps_SOURCES = bar.texi
3239 # | bar_texi_DEPENDENCIES = foo.texi
3240 # | here bar.texi is dist_ in line 2, and nodist_ in 4.
3242 # Back to the point, it should be clear that in order to support
3243 # non-distributed .info files, we need to build them in the
3244 # build tree, not in the source tree (non-distributed .texi
3245 # files are less of a problem, because we do not output build
3246 # rules for them). In Automake 1.7 .info build rules have been
3247 # largely cleaned up so that .info files get always build in the
3248 # build tree, even when distributed. The idea was that
3249 # (1) if during a VPATH build the .info file was found to be
3250 # absent or out-of-date (in the source tree or in the
3251 # build tree), Make would rebuild it in the build tree.
3252 # If an up-to-date source-tree of the .info file existed,
3253 # make would not rebuild it in the build tree.
3254 # (2) having two copies of .info files, one in the source tree
3255 # and one (newer) in the build tree is not a problem
3256 # because 'make dist' always pick files in the build tree
3258 # However it turned out the be a bad idea for several reasons:
3259 # * Tru64, OpenBSD, and FreeBSD (not NetBSD) Make do not behave
3260 # like GNU Make on point (1) above. These implementations
3261 # of Make would always rebuild .info files in the build
3262 # tree, even if such files were up to date in the source
3263 # tree. Consequently, it was impossible to perform a VPATH
3264 # build of a package containing Texinfo files using these
3265 # Make implementations.
3266 # (Refer to the Autoconf Manual, section "Limitation of
3267 # Make", paragraph "VPATH", item "target lookup", for
3268 # an account of the differences between these
3270 # * The GNU Coding Standards require these files to be built
3271 # in the source-tree (when they are distributed, that is).
3272 # * Keeping a fresher copy of distributed files in the
3273 # build tree can be annoying during development because
3274 # - if the files is kept under CVS, you really want it
3275 # to be updated in the source tree
3276 # - it is confusing that 'make distclean' does not erase
3277 # all files in the build tree.
3279 # Consequently, starting with Automake 1.8, .info files are
3280 # built in the source tree again. Because we still plan to
3281 # support non-distributed .info files at some point, we
3282 # have a single variable ($INSRC) that controls whether
3283 # the current .info file must be built in the source tree
3284 # or in the build tree. Actually this variable is switched
3285 # off for .info files that appear to be cleaned; this is
3286 # for backward compatibility with package such as Texinfo,
3287 # which do things like
3288 # info_TEXINFOS = texinfo.txi info-stnd.texi info.texi
3289 # DISTCLEANFILES = texinfo texinfo-* info*.info*
3290 # # Do not create info files for distribution.
3292 # in order not to distribute .info files.
3293 my $insrc = ($out_file =~ $user_cleaned_files) ? 0 : 1;
3295 my $soutdir = '$(srcdir)/' . $outdir;
3296 $outdir = $soutdir if $insrc;
3298 # If user specified file_TEXINFOS, then use that as explicit
3301 push (@texi_deps, "$soutdir$vtexi") if $vtexi;
3303 my $canonical = canonicalize ($infobase);
3304 if (var ($canonical . "_TEXINFOS"))
3306 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
3307 push_dist_common ('$(' . $canonical . '_TEXINFOS)');
3310 my ($dirstamp, @cfiles) =
3311 output_texinfo_build_rules ($texi, $out_file, $insrc, @texi_deps);
3312 push (@texi_cleans, @cfiles);
3314 push (@info_deps_list, $out_file);
3316 # If a vers*.texi file is needed, emit the rule.
3319 err_am ("'$vtexi', included in '$texi', "
3320 . "also included in '$versions{$vtexi}'")
3321 if defined $versions{$vtexi};
3322 $versions{$vtexi} = $texi;
3324 # We number the stamp-vti files. This is doable since the
3325 # actual names don't matter much. We only number starting
3326 # with the second one, so that the common case looks nice.
3327 my $vti = ($done ? $done : 'vti');
3330 # This is ugly, but it is our historical practice.
3331 if ($config_aux_dir_set_in_configure_ac)
3333 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3338 require_file_with_macro (TRUE, 'info_TEXINFOS',
3339 FOREIGN, 'mdate-sh');
3343 if ($config_aux_dir_set_in_configure_ac)
3345 $conf_dir = "$am_config_aux_dir/";
3349 $conf_dir = '$(srcdir)/';
3351 $output_rules .= file_contents ('texi-vers',
3352 new Automake::Location,
3355 STAMPVTI => "${soutdir}stamp-$vti",
3356 VTEXI => "$soutdir$vtexi",
3358 DIRSTAMP => $dirstamp);
3362 # Handle location of texinfo.tex.
3363 my $need_texi_file = 0;
3365 if (var ('TEXINFO_TEX'))
3367 # The user defined TEXINFO_TEX so assume he knows what he is
3369 $texinfodir = ('$(srcdir)/'
3370 . dirname (variable_value ('TEXINFO_TEX')));
3372 elsif ($config_aux_dir_set_in_configure_ac)
3374 $texinfodir = $am_config_aux_dir;
3375 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3376 $need_texi_file = 2; # so that we require_conf_file later
3380 $texinfodir = '$(srcdir)';
3381 $need_texi_file = 1;
3383 define_variable ('am__TEXINFO_TEX_DIR', $texinfodir, INTERNAL);
3385 push (@dist_targets, 'dist-info');
3387 if (! option 'no-installinfo')
3389 # Make sure documentation is made and installed first. Use
3390 # $(INFO_DEPS), not 'info', because otherwise recursive makes
3391 # get run twice during "make all".
3392 unshift (@all, '$(INFO_DEPS)');
3395 define_files_variable ("DVIS", @infobase, 'dvi', INTERNAL);
3396 define_files_variable ("PDFS", @infobase, 'pdf', INTERNAL);
3397 define_files_variable ("PSS", @infobase, 'ps', INTERNAL);
3398 define_files_variable ("HTMLS", @infobase, 'html', INTERNAL);
3400 # This next isn't strictly needed now -- the places that look here
3401 # could easily be changed to look in info_TEXINFOS. But this is
3402 # probably better, in case noinst_TEXINFOS is ever supported.
3403 define_variable ("TEXINFOS", variable_value ('info_TEXINFOS'), INTERNAL);
3405 # Do some error checking. Note that this file is not required
3406 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
3408 if ($need_texi_file && ! option 'no-texinfo.tex')
3410 if ($need_texi_file > 1)
3412 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3417 require_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3422 return (makefile_wrap ("", "\t ", @mostly_cleans),
3423 makefile_wrap ("", "\t ", @texi_cleans),
3424 makefile_wrap ("", "\t ", @maint_cleans));
3430 # Handle all Texinfo source.
3431 sub handle_texinfo ()
3433 reject_var 'TEXINFOS', "'TEXINFOS' is an anachronism; use 'info_TEXINFOS'";
3434 # FIXME: I think this is an obsolete future feature name.
3435 reject_var 'html_TEXINFOS', "HTML generation not yet supported";
3437 my $info_texinfos = var ('info_TEXINFOS');
3438 my ($mostlyclean, $clean, $maintclean) = ('', '', '');
3441 define_verbose_texinfo;
3442 ($mostlyclean, $clean, $maintclean) = handle_texinfo_helper ($info_texinfos);
3448 $output_rules .= file_contents ('texinfos',
3449 new Automake::Location,
3450 AM_V_DVIPS => verbose_flag('DVIPS'),
3451 MOSTLYCLEAN => $mostlyclean,
3452 TEXICLEAN => $clean,
3453 MAINTCLEAN => $maintclean,
3454 'LOCAL-TEXIS' => !!$info_texinfos,
3455 TEXIQUIET => verbose_flag('texinfo'));
3459 # Handle any man pages.
3460 sub handle_man_pages
3462 reject_var 'MANS', "'MANS' is an anachronism; use 'man_MANS'";
3464 # Find all the sections in use. We do this by first looking for
3465 # "standard" sections, and then looking for any additional
3466 # sections used in man_MANS.
3467 my (%sections, %notrans_sections, %trans_sections,
3468 %notrans_vars, %trans_vars, %notrans_sect_vars, %trans_sect_vars);
3469 # We handle nodist_ for uniformity. man pages aren't distributed
3470 # by default so it isn't actually very important.
3471 foreach my $npfx ('', 'notrans_')
3473 foreach my $pfx ('', 'dist_', 'nodist_')
3475 # Add more sections as needed.
3476 foreach my $section ('0'..'9', 'n', 'l')
3478 my $varname = $npfx . $pfx . 'man' . $section . '_MANS';
3481 $sections{$section} = 1;
3482 $varname = '$(' . $varname . ')';
3483 if ($npfx eq 'notrans_')
3485 $notrans_sections{$section} = 1;
3486 $notrans_sect_vars{$varname} = 1;
3490 $trans_sections{$section} = 1;
3491 $trans_sect_vars{$varname} = 1;
3494 &push_dist_common ($varname)
3499 my $varname = $npfx . $pfx . 'man_MANS';
3500 my $var = var ($varname);
3503 foreach ($var->value_as_list_recursive)
3505 # A page like 'foo.1c' goes into man1dir.
3506 if (/\.([0-9a-z])([a-z]*)$/)
3509 if ($npfx eq 'notrans_')
3511 $notrans_sections{$1} = 1;
3515 $trans_sections{$1} = 1;
3520 $varname = '$(' . $varname . ')';
3521 if ($npfx eq 'notrans_')
3523 $notrans_vars{$varname} = 1;
3527 $trans_vars{$varname} = 1;
3529 &push_dist_common ($varname)
3535 return unless %sections;
3539 # Build section independent variables.
3540 my $have_notrans = %notrans_vars;
3541 my @notrans_list = sort keys %notrans_vars;
3542 my $have_trans = %trans_vars;
3543 my @trans_list = sort keys %trans_vars;
3545 # Now for each section, generate an install and uninstall rule.
3546 # Sort sections so output is deterministic.
3547 foreach my $section (sort keys %sections)
3549 # Build section dependent variables.
3550 my $notrans_mans = $have_notrans || exists $notrans_sections{$section};
3551 my $trans_mans = $have_trans || exists $trans_sections{$section};
3552 my (%notrans_this_sect, %trans_this_sect);
3553 my $expr = 'man' . $section . '_MANS';
3554 foreach my $varname (keys %notrans_sect_vars)
3556 if ($varname =~ /$expr/)
3558 $notrans_this_sect{$varname} = 1;
3561 foreach my $varname (keys %trans_sect_vars)
3563 if ($varname =~ /$expr/)
3565 $trans_this_sect{$varname} = 1;
3568 my @notrans_sect_list = sort keys %notrans_this_sect;
3569 my @trans_sect_list = sort keys %trans_this_sect;
3570 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3571 keys %notrans_this_sect, keys %trans_this_sect);
3572 my @deps = sort @unsorted_deps;
3573 $output_rules .= &file_contents ('mans',
3574 new Automake::Location,
3575 SECTION => $section,
3577 NOTRANS_MANS => $notrans_mans,
3578 NOTRANS_SECT_LIST => "@notrans_sect_list",
3579 HAVE_NOTRANS => $have_notrans,
3580 NOTRANS_LIST => "@notrans_list",
3581 TRANS_MANS => $trans_mans,
3582 TRANS_SECT_LIST => "@trans_sect_list",
3583 HAVE_TRANS => $have_trans,
3584 TRANS_LIST => "@trans_list");
3587 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3588 keys %notrans_sect_vars, keys %trans_sect_vars);
3589 my @mans = sort @unsorted_deps;
3590 $output_vars .= file_contents ('mans-vars',
3591 new Automake::Location,
3594 push (@all, '$(MANS)')
3595 unless option 'no-installman';
3598 # Handle DATA variables.
3601 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
3602 'data', 'dataroot', 'doc', 'dvi', 'html', 'pdf',
3603 'ps', 'sysconf', 'sharedstate', 'localstate',
3604 'pkgdata', 'lisp', 'noinst', 'check');
3611 foreach my $spec (@config_headers)
3613 my ($out, @ins) = split_config_file_spec ($spec);
3614 foreach my $in (@ins)
3616 # If the config header source is in this directory,
3618 push @config, basename ($in)
3619 if $relative_dir eq dirname ($in);
3623 define_variable ('am__tagged_files',
3624 '$(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)'
3625 . "@config", INTERNAL);
3629 my @cscope_deps = ();
3630 if (var ('SUBDIRS'))
3632 $output_rules .= ("tags-recursive:\n"
3633 . "\tlist='\$(SUBDIRS)'; for subdir in \$\$list; do \\\n"
3634 # Never fail here if a subdir fails; it
3636 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3637 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
3639 push (@tag_deps, 'tags-recursive');
3640 &depend ('.PHONY', 'tags-recursive');
3641 &depend ('.MAKE', 'tags-recursive');
3643 $output_rules .= ("ctags-recursive:\n"
3644 . "\tlist='\$(SUBDIRS)'; for subdir in \$\$list; do \\\n"
3645 # Never fail here if a subdir fails; it
3647 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3648 . " && \$(MAKE) \$(AM_MAKEFLAGS) ctags); \\\n"
3650 push (@ctag_deps, 'ctags-recursive');
3651 &depend ('.PHONY', 'ctags-recursive');
3652 &depend ('.MAKE', 'ctags-recursive');
3654 $output_rules .= ("cscopelist-recursive:\n"
3655 . "\tlist='\$(SUBDIRS)'; for subdir in \$\$list; do \\\n"
3656 # Never fail here if a subdir fails; it
3658 . "\t test \"\$\$subdir\" = . || (\$(am__cd) \$\$subdir"
3659 . " && \$(MAKE) \$(AM_MAKEFLAGS) cscopelist); \\\n"
3661 push (@cscope_deps, 'cscopelist-recursive');
3662 &depend ('.PHONY', 'cscopelist-recursive');
3663 &depend ('.MAKE', 'cscopelist-recursive');
3666 if (rvar('am__tagged_files')->value_as_list_recursive
3667 || var ('ETAGS_ARGS') || @tag_deps)
3669 $output_rules .= &file_contents ('tags',
3670 new Automake::Location,
3671 TAGSDIRS => "@tag_deps",
3672 CTAGSDIRS => "@ctag_deps",
3673 CSCOPEDIRS => "@cscope_deps");
3675 set_seen 'TAGS_DEPENDENCIES';
3677 elsif (reject_var ('TAGS_DEPENDENCIES',
3678 "it doesn't make sense to define 'TAGS_DEPENDENCIES'"
3679 . " without\nsources or 'ETAGS_ARGS'"))
3684 # Every Makefile must define some sort of TAGS rule.
3685 # Otherwise, it would be possible for a top-level "make TAGS"
3686 # to fail because some subdirectory failed.
3687 $output_rules .= "tags: TAGS\nTAGS:\n\n";
3688 # Ditto ctags and cscope.
3689 $output_rules .= "ctags: CTAGS\nCTAGS:\n\n";
3690 $output_rules .= "cscope cscopelist:\n\n";
3695 # user_phony_rule ($NAME)
3696 # -----------------------
3697 # Return false if rule $NAME does not exist. Otherwise,
3698 # declare it as phony, complete its definition (in case it is
3699 # conditional), and return its Automake::Rule instance.
3700 sub user_phony_rule ($)
3703 my $rule = rule $name;
3706 depend ('.PHONY', $name);
3707 # Define $NAME in all condition where it is not already defined,
3708 # so that it is always OK to depend on $NAME.
3709 for my $c ($rule->not_always_defined_in_cond (TRUE)->conds)
3711 Automake::Rule::define ($name, 'internal', RULE_AUTOMAKE,
3713 $output_rules .= $c->subst_string . "$name:\n";
3722 # Handle 'dist' target.
3725 # Substitutions for distdir.am
3728 # Define DIST_SUBDIRS. This must always be done, regardless of the
3729 # no-dist setting: target like 'distclean' or 'maintainer-clean' use it.
3730 my $subdirs = var ('SUBDIRS');
3733 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3734 # to all possible directories, and use it. If DIST_SUBDIRS is
3735 # defined, just use it.
3737 # Note that we check DIST_SUBDIRS first on purpose, so that
3738 # we don't call has_conditional_contents for now reason.
3739 # (In the past one project used so many conditional subdirectories
3740 # that calling has_conditional_contents on SUBDIRS caused
3741 # automake to grow to 150Mb -- this should not happen with
3742 # the current implementation of has_conditional_contents,
3743 # but it's more efficient to avoid the call anyway.)
3744 if (var ('DIST_SUBDIRS'))
3747 elsif ($subdirs->has_conditional_contents)
3749 define_pretty_variable
3750 ('DIST_SUBDIRS', TRUE, INTERNAL,
3751 uniq ($subdirs->value_as_list_recursive));
3755 # We always define this because that is what 'distclean'
3757 define_pretty_variable ('DIST_SUBDIRS', TRUE, INTERNAL,
3762 # The remaining definitions are only required when a dist target is used.
3763 return if option 'no-dist';
3765 # At least one of the archive formats must be enabled.
3766 if ($relative_dir eq '.')
3768 my $archive_defined = option 'no-dist-gzip' ? 0 : 1;
3769 $archive_defined ||=
3770 grep { option "dist-$_" } qw(shar zip tarZ bzip2 lzip lzma xz);
3771 error (option 'no-dist-gzip',
3772 "no-dist-gzip specified but no dist-* specified,\n"
3773 . "at least one archive format must be enabled")
3774 unless $archive_defined;
3777 # Look for common files that should be included in distribution.
3778 # If the aux dir is set, and it does not have a Makefile.am, then
3779 # we check for these files there as well.
3781 if ($relative_dir eq '.'
3782 && $config_aux_dir_set_in_configure_ac)
3784 if (! &is_make_dir ($config_aux_dir))
3789 foreach my $cfile (@common_files)
3791 if (dir_has_case_matching_file ($relative_dir, $cfile)
3792 # The file might be absent, but if it can be built it's ok.
3795 &push_dist_common ($cfile);
3798 # Don't use 'elsif' here because a file might meaningfully
3799 # appear in both directories.
3800 if ($check_aux && dir_has_case_matching_file ($config_aux_dir, $cfile))
3802 &push_dist_common ("$config_aux_dir/$cfile")
3806 # We might copy elements from $configure_dist_common to
3807 # %dist_common if we think we need to. If the file appears in our
3808 # directory, we would have discovered it already, so we don't
3809 # check that. But if the file is in a subdir without a Makefile,
3810 # we want to distribute it here if we are doing '.'. Ugly!
3811 # Also, in some corner cases, it's possible that the following code
3812 # will cause the same file to appear in the $(DIST_COMMON) variables
3813 # of two distinct Makefiles; but this is not a problem, since the
3814 # 'distdir' target in 'lib/am/distdir.am' can deal with the same
3815 # file being distributed multiple times.
3816 # See also automake bug#9651.
3817 if ($relative_dir eq '.')
3819 foreach my $file (split (' ' , $configure_dist_common))
3821 my $dir = dirname ($file);
3822 push_dist_common ($file)
3823 if ($dir eq '.' || ! is_make_dir ($dir));
3827 # Files to distributed. Don't use ->value_as_list_recursive
3828 # as it recursively expands '$(dist_pkgdata_DATA)' etc.
3829 my @dist_common = split (' ', rvar ('DIST_COMMON')->variable_value);
3830 @dist_common = uniq @dist_common;
3831 variable_delete 'DIST_COMMON';
3832 define_pretty_variable ('DIST_COMMON', TRUE, INTERNAL, @dist_common);
3834 # Now that we've processed DIST_COMMON, disallow further attempts
3836 $handle_dist_run = 1;
3838 # Scan EXTRA_DIST to see if we need to distribute anything from a
3839 # subdir. If so, add it to the list. I didn't want to do this
3840 # originally, but there were so many requests that I finally
3842 my $extra_dist = var ('EXTRA_DIST');
3844 $transform{'DISTCHECK-HOOK'} = !! rule 'distcheck-hook';
3845 $transform{'GETTEXT'} = $seen_gettext && !$seen_gettext_external;
3847 # If the target 'dist-hook' exists, make sure it is run. This
3848 # allows users to do random weird things to the distribution
3849 # before it is packaged up.
3850 push (@dist_targets, 'dist-hook')
3851 if user_phony_rule 'dist-hook';
3852 $transform{'DIST-TARGETS'} = join (' ', @dist_targets);
3854 my $flm = option ('filename-length-max');
3855 my $filename_filter = $flm ? '.' x $flm->[1] : '';
3857 $output_rules .= &file_contents ('distdir',
3858 new Automake::Location,
3860 FILENAME_FILTER => $filename_filter);
3864 # check_directory ($NAME, $WHERE [, $RELATIVE_DIR = "."])
3865 # -------------------------------------------------------
3866 # Ensure $NAME is a directory (in $RELATIVE_DIR), and that it uses a sane
3867 # name. Use $WHERE as a location in the diagnostic, if any.
3868 sub check_directory ($$;$)
3870 my ($dir, $where, $reldir) = @_;
3871 $reldir = '.' unless defined $reldir;
3873 error $where, "required directory $reldir/$dir does not exist"
3874 unless -d "$reldir/$dir";
3876 # If an 'obj/' directory exists, BSD make will enter it before
3877 # reading 'Makefile'. Hence the 'Makefile' in the current directory
3883 # % cat obj/Makefile
3889 # % pmake # BSD make
3892 msg ('portability', $where,
3893 "naming a subdirectory 'obj' causes troubles with BSD make")
3896 # 'aux' is probably the most important of the following forbidden name,
3897 # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
3898 msg ('portability', $where,
3899 "name '$dir' is reserved on W32 and DOS platforms")
3900 if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
3903 # check_directories_in_var ($VARIABLE)
3904 # ------------------------------------
3905 # Recursively check all items in variables $VARIABLE as directories
3906 sub check_directories_in_var ($)
3909 $var->traverse_recursively
3912 my ($var, $val, $cond, $full_cond) = @_;
3913 check_directory ($val, $var->rdef ($cond)->location, $relative_dir);
3917 skip_ac_subst => 1);
3920 # &handle_subdirs ()
3921 # ------------------
3922 # Handle subdirectories.
3923 sub handle_subdirs ()
3925 my $subdirs = var ('SUBDIRS');
3929 check_directories_in_var $subdirs;
3931 my $dsubdirs = var ('DIST_SUBDIRS');
3932 check_directories_in_var $dsubdirs
3935 $output_rules .= &file_contents ('subdirs', new Automake::Location);
3936 rvar ('RECURSIVE_TARGETS')->rdef (TRUE)->{'pretty'} = VAR_SORTED; # Gross!
3940 # ($REGEN, @DEPENDENCIES)
3943 # If aclocal.m4 creation is automated, return the list of its dependencies.
3944 sub scan_aclocal_m4 ()
3946 my $regen_aclocal = 0;
3948 set_seen 'CONFIG_STATUS_DEPENDENCIES';
3949 set_seen 'CONFIGURE_DEPENDENCIES';
3951 if (-f 'aclocal.m4')
3953 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
3955 my $aclocal = new Automake::XFile "< aclocal.m4";
3956 my $line = $aclocal->getline;
3957 $regen_aclocal = $line =~ 'generated automatically by aclocal';
3962 if (set_seen ('ACLOCAL_M4_SOURCES'))
3964 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
3965 msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
3966 "'ACLOCAL_M4_SOURCES' is obsolete.\n"
3967 . "It should be safe to simply remove it");
3970 # Note that it might be possible that aclocal.m4 doesn't exist but
3971 # should be auto-generated. This case probably isn't very
3974 return ($regen_aclocal, @ac_deps);
3978 # Helper function for substitute_ac_subst_variables.
3979 sub substitute_ac_subst_variables_worker($)
3982 return "\@$token\@" if var $token;
3983 return "\${$token\}";
3986 # substitute_ac_subst_variables ($TEXT)
3987 # -------------------------------------
3988 # Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
3990 sub substitute_ac_subst_variables ($)
3993 $text =~ s/\${([^ \t=:+{}]+)}/&substitute_ac_subst_variables_worker ($1)/ge;
3998 # &prepend_srcdir (@INPUTS)
3999 # -------------------------
4000 # Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
4001 # if an input file has a directory part the same as the current
4002 # directory, then the directory part is simply replaced by $(srcdir).
4003 # But if the directory part is different, then $(top_srcdir) is
4005 sub prepend_srcdir (@)
4010 foreach my $single (@inputs)
4012 if (dirname ($single) eq $relative_dir)
4014 push (@newinputs, '$(srcdir)/' . basename ($single));
4018 push (@newinputs, '$(top_srcdir)/' . $single);
4025 # rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
4026 # ---------------------------------------------------
4027 # Compute a list of dependencies appropriate for the rebuild
4029 # AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
4030 # Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
4031 sub rewrite_inputs_into_dependencies ($@)
4033 my ($file, @inputs) = @_;
4038 # We cannot create dependencies on shell variables.
4039 next if (substitute_ac_subst_variables $i) =~ /\$/;
4041 if (exists $ac_config_files_location{$i} && $i ne $file)
4043 my $di = dirname $i;
4044 if ($di eq $relative_dir)
4048 # In the top-level Makefile we do not use $(top_builddir), because
4049 # we are already there, and since the targets are built without
4050 # a $(top_builddir), it helps BSD Make to match them with
4052 elsif ($relative_dir ne '.')
4054 $i = '$(top_builddir)/' . $i;
4059 msg ('error', $ac_config_files_location{$file},
4060 "required file '$i' not found")
4061 unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
4062 ($i) = prepend_srcdir ($i);
4063 push_dist_common ($i);
4072 # &handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
4073 # ------------------------------------------------------------------
4074 # Handle remaking and configure stuff.
4075 # We need the name of the input file, to do proper remaking rules.
4076 sub handle_configure ($$$@)
4078 my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
4080 prog_error 'empty @inputs'
4083 my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
4085 my $rel_makefile = basename $makefile;
4087 my $colon_infile = ':' . join (':', @inputs);
4088 $colon_infile = '' if $colon_infile eq ":$makefile.in";
4089 my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
4090 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
4091 define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
4092 @configure_deps, @aclocal_m4_deps,
4093 '$(top_srcdir)/' . $configure_ac);
4094 my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
4095 push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
4096 define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
4099 my $automake_options = '--' . $strictness_name .
4100 (global_option 'no-dependencies' ? ' --ignore-deps' : '');
4102 $output_rules .= file_contents
4104 new Automake::Location,
4105 MAKEFILE => $rel_makefile,
4106 'MAKEFILE-DEPS' => "@rewritten",
4107 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
4108 'MAKEFILE-IN' => $rel_makefile_in,
4109 'HAVE-MAKEFILE-IN-DEPS' => (@include_stack > 0),
4110 'MAKEFILE-IN-DEPS' => "@include_stack",
4111 'MAKEFILE-AM' => $rel_makefile_am,
4112 'AUTOMAKE-OPTIONS' => $automake_options,
4113 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
4114 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
4115 VERBOSE => verbose_flag ('GEN'));
4117 if ($relative_dir eq '.')
4119 &push_dist_common ('acconfig.h')
4123 # If we have a configure header, require it.
4125 my @distclean_config;
4126 foreach my $spec (@config_headers)
4129 # $CONFIG_H_PATH: config.h from top level.
4130 my ($config_h_path, @ins) = split_config_file_spec ($spec);
4131 my $config_h_dir = dirname ($config_h_path);
4133 # If the header is in the current directory we want to build
4134 # the header here. Otherwise, if we're at the topmost
4135 # directory and the header's directory doesn't have a
4136 # Makefile, then we also want to build the header.
4137 if ($relative_dir eq $config_h_dir
4138 || ($relative_dir eq '.' && ! &is_make_dir ($config_h_dir)))
4140 my ($cn_sans_dir, $stamp_dir);
4141 if ($relative_dir eq $config_h_dir)
4143 $cn_sans_dir = basename ($config_h_path);
4148 $cn_sans_dir = $config_h_path;
4149 if ($config_h_dir eq '.')
4155 $stamp_dir = $config_h_dir . '/';
4159 # This will also distribute all inputs.
4160 @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
4162 # Cannot define rebuild rules for filenames with shell variables.
4163 next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
4165 # Header defined in this directory.
4167 if (-f $config_h_path . '.top')
4169 push (@files, "$cn_sans_dir.top");
4171 if (-f $config_h_path . '.bot')
4173 push (@files, "$cn_sans_dir.bot");
4176 push_dist_common (@files);
4178 # For now, acconfig.h can only appear in the top srcdir.
4179 if (-f 'acconfig.h')
4181 push (@files, '$(top_srcdir)/acconfig.h');
4184 my $stamp = "${stamp_dir}stamp-h${hdr_index}";
4186 file_contents ('remake-hdr',
4187 new Automake::Location,
4189 CONFIG_H => $cn_sans_dir,
4190 CONFIG_HIN => $ins[0],
4191 CONFIG_H_DEPS => "@ins",
4192 CONFIG_H_PATH => $config_h_path,
4195 push @distclean_config, $cn_sans_dir, $stamp;
4199 $output_rules .= file_contents ('clean-hdr',
4200 new Automake::Location,
4201 FILES => "@distclean_config")
4202 if @distclean_config;
4204 # Distribute and define mkinstalldirs only if it is already present
4205 # in the package, for backward compatibility (some people may still
4206 # use $(mkinstalldirs)).
4207 my $mkidpath = "$config_aux_dir/mkinstalldirs";
4210 # Use require_file so that any existing script gets updated
4211 # by --force-missing.
4212 require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
4213 define_variable ('mkinstalldirs',
4214 "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
4218 # Use $(install_sh), not $(MKDIR_P) because the latter requires
4219 # at least one argument, and $(mkinstalldirs) used to work
4220 # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
4221 define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
4224 reject_var ('CONFIG_HEADER',
4225 "'CONFIG_HEADER' is an anachronism; now determined "
4226 . "automatically\nfrom '$configure_ac'");
4229 foreach my $spec (@config_headers)
4231 my ($out, @ins) = split_config_file_spec ($spec);
4232 # Generate CONFIG_HEADER define.
4233 if ($relative_dir eq dirname ($out))
4235 push @config_h, basename ($out);
4239 push @config_h, "\$(top_builddir)/$out";
4242 define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
4245 # Now look for other files in this directory which must be remade
4246 # by config.status, and generate rules for them.
4247 my @actual_other_files = ();
4248 # These get cleaned only in a VPATH build.
4249 my @actual_other_vpath_files = ();
4250 foreach my $lfile (@other_input_files)
4254 if ($lfile =~ /^([^:]*):(.*)$/)
4256 # This is the ":" syntax of AC_OUTPUT.
4258 @inputs = split (':', $2);
4264 @inputs = $file . '.in';
4267 # Automake files should not be stored in here, but in %MAKE_LIST.
4268 prog_error ("$lfile in \@other_input_files\n"
4269 . "\@other_input_files = (@other_input_files)")
4270 if -f $file . '.am';
4272 my $local = basename ($file);
4274 # We skip files that aren't in this directory. However, if
4275 # the file's directory does not have a Makefile, and we are
4276 # currently doing '.', then we create a rule to rebuild the
4277 # file in the subdir.
4278 my $fd = dirname ($file);
4279 if ($fd ne $relative_dir)
4281 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4291 my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
4293 # Cannot output rules for shell variables.
4294 next if (substitute_ac_subst_variables $local) =~ /\$/;
4297 my $cond = $ac_config_files_condition{$lfile};
4300 $condstr = $cond->subst_string;
4301 Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
4302 $ac_config_files_location{$file});
4304 $output_rules .= ($condstr . $local . ': '
4305 . '$(top_builddir)/config.status '
4306 . "@rewritten_inputs\n"
4308 . 'cd $(top_builddir) && '
4309 . '$(SHELL) ./config.status '
4310 . ($relative_dir eq '.' ? '' : '$(subdir)/')
4313 push (@actual_other_files, $local);
4316 # For links we should clean destinations and distribute sources.
4317 foreach my $spec (@config_links)
4319 my ($link, $file) = split /:/, $spec;
4320 # Some people do AC_CONFIG_LINKS($computed). We only handle
4321 # the DEST:SRC form.
4323 my $where = $ac_config_files_location{$link};
4325 # Skip destinations that contain shell variables.
4326 if ((substitute_ac_subst_variables $link) !~ /\$/)
4328 # We skip links that aren't in this directory. However, if
4329 # the link's directory does not have a Makefile, and we are
4330 # currently doing '.', then we add the link to CONFIG_CLEAN_FILES
4331 # in '.'s Makefile.in.
4332 my $local = basename ($link);
4333 my $fd = dirname ($link);
4334 if ($fd ne $relative_dir)
4336 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4347 push @actual_other_files, $local if $local;
4351 push @actual_other_vpath_files, $local if $local;
4355 # Do not process sources that contain shell variables.
4356 if ((substitute_ac_subst_variables $file) !~ /\$/)
4358 my $fd = dirname ($file);
4360 # We distribute files that are in this directory.
4361 # At the top-level ('.') we also distribute files whose
4362 # directory does not have a Makefile.
4363 if (($fd eq $relative_dir)
4364 || ($relative_dir eq '.' && ! &is_make_dir ($fd)))
4366 # The following will distribute $file as a side-effect when
4367 # it is appropriate (i.e., when $file is not already an output).
4368 # We do not need the result, just the side-effect.
4369 rewrite_inputs_into_dependencies ($link, $file);
4374 # These files get removed by "make distclean".
4375 define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
4376 @actual_other_files);
4377 define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
4378 @actual_other_vpath_files);
4384 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
4385 'oldinclude', 'pkginclude',
4389 next unless $_->[1] =~ /\..*$/;
4390 &saw_extension ($&);
4396 return if ! $seen_gettext || $relative_dir ne '.';
4398 my $subdirs = var 'SUBDIRS';
4402 err_ac "AM_GNU_GETTEXT used but SUBDIRS not defined";
4406 # Perform some sanity checks to help users get the right setup.
4407 # We disable these tests when po/ doesn't exist in order not to disallow
4408 # unusual gettext setups.
4413 # | 1) If a package doesn't have a directory po/ at top level, it
4414 # | will likely have multiple po/ directories in subpackages.
4416 # | 2) It is useful to warn for the absence of intl/ if AM_GNU_GETTEXT
4417 # | is used without 'external'. It is also useful to warn for the
4418 # | presence of intl/ if AM_GNU_GETTEXT([external]) is used. Both
4419 # | warnings apply only to the usual layout of packages, therefore
4420 # | they should both be disabled if no po/ directory is found at
4425 my @subdirs = $subdirs->value_as_list_recursive;
4427 msg_var ('syntax', $subdirs,
4428 "AM_GNU_GETTEXT used but 'po' not in SUBDIRS")
4429 if ! grep ($_ eq 'po', @subdirs);
4431 # intl/ is not required when AM_GNU_GETTEXT is called with the
4432 # 'external' option and AM_GNU_GETTEXT_INTL_SUBDIR is not called.
4433 msg_var ('syntax', $subdirs,
4434 "AM_GNU_GETTEXT used but 'intl' not in SUBDIRS")
4435 if (! ($seen_gettext_external && ! $seen_gettext_intl)
4436 && ! grep ($_ eq 'intl', @subdirs));
4438 # intl/ should not be used with AM_GNU_GETTEXT([external]), except
4439 # if AM_GNU_GETTEXT_INTL_SUBDIR is called.
4440 msg_var ('syntax', $subdirs,
4441 "'intl' should not be in SUBDIRS when "
4442 . "AM_GNU_GETTEXT([external]) is used")
4443 if ($seen_gettext_external && ! $seen_gettext_intl
4444 && grep ($_ eq 'intl', @subdirs));
4447 require_file ($ac_gettext_location, GNU, 'ABOUT-NLS');
4450 # Handle footer elements.
4453 reject_rule ('.SUFFIXES',
4454 "use variable 'SUFFIXES', not target '.SUFFIXES'");
4456 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
4457 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
4458 # anything else, by sticking it right after the default: target.
4459 $output_header .= ".SUFFIXES:\n";
4460 my $suffixes = var 'SUFFIXES';
4461 my @suffixes = Automake::Rule::suffixes;
4462 if (@suffixes || $suffixes)
4464 # Make sure SUFFIXES has unique elements. Sort them to ensure
4465 # the output remains consistent. However, $(SUFFIXES) is
4466 # always at the start of the list, unsorted. This is done
4467 # because make will choose rules depending on the ordering of
4468 # suffixes, and this lets the user have some control. Push
4469 # actual suffixes, and not $(SUFFIXES). Some versions of make
4470 # do not like variable substitutions on the .SUFFIXES line.
4471 my @user_suffixes = ($suffixes
4472 ? $suffixes->value_as_list_recursive : ());
4474 my %suffixes = map { $_ => 1 } @suffixes;
4475 delete @suffixes{@user_suffixes};
4477 $output_header .= (".SUFFIXES: "
4478 . join (' ', @user_suffixes, sort keys %suffixes)
4482 $output_trailer .= file_contents ('footer', new Automake::Location);
4486 # Generate 'make install' rules.
4487 sub handle_install ()
4489 $output_rules .= &file_contents
4491 new Automake::Location,
4492 maybe_BUILT_SOURCES => (set_seen ('BUILT_SOURCES')
4493 ? (" \$(BUILT_SOURCES)\n"
4494 . "\t\$(MAKE) \$(AM_MAKEFLAGS)")
4496 'installdirs-local' => (user_phony_rule 'installdirs-local'
4497 ? ' installdirs-local' : ''),
4498 am__installdirs => variable_value ('am__installdirs') || '');
4502 # Deal with all and all-am.
4505 my ($makefile) = @_;
4509 # Put this at the beginning for the sake of non-GNU makes. This
4510 # is still wrong if these makes can run parallel jobs. But it is
4512 unshift (@all, basename ($makefile));
4514 foreach my $spec (@config_headers)
4516 my ($out, @ins) = split_config_file_spec ($spec);
4517 push (@all, basename ($out))
4518 if dirname ($out) eq $relative_dir;
4521 # Install 'all' hooks.
4522 push (@all, "all-local")
4523 if user_phony_rule "all-local";
4525 &pretty_print_rule ("all-am:", "\t\t", @all);
4526 &depend ('.PHONY', 'all-am', 'all');
4531 my @local_headers = ();
4532 push @local_headers, '$(BUILT_SOURCES)'
4533 if var ('BUILT_SOURCES');
4534 foreach my $spec (@config_headers)
4536 my ($out, @ins) = split_config_file_spec ($spec);
4537 push @local_headers, basename ($out)
4538 if dirname ($out) eq $relative_dir;
4543 # We need to make sure config.h is built before we recurse.
4544 # We also want to make sure that built sources are built
4545 # before any ordinary 'all' targets are run. We can't do this
4546 # by changing the order of dependencies to the "all" because
4547 # that breaks when using parallel makes. Instead we handle
4548 # things explicitly.
4549 $output_all .= ("all: @local_headers"
4551 . '$(MAKE) $(AM_MAKEFLAGS) '
4552 . (var ('SUBDIRS') ? 'all-recursive' : 'all-am')
4554 depend ('.MAKE', 'all');
4558 $output_all .= "all: " . (var ('SUBDIRS')
4559 ? 'all-recursive' : 'all-am') . "\n\n";
4564 # &do_check_merge_target ()
4565 # -------------------------
4566 # Handle check merge target specially.
4567 sub do_check_merge_target ()
4569 # Include user-defined local form of target.
4570 push @check_tests, 'check-local'
4571 if user_phony_rule 'check-local';
4573 # The check target must depend on the local equivalent of
4574 # 'all', to ensure all the primary targets are built. Then it
4575 # must build the local check rules.
4576 $output_rules .= "check-am: all-am\n";
4579 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @check);
4580 depend ('.MAKE', 'check-am');
4585 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4587 depend ('.MAKE', 'check-am');
4590 depend '.PHONY', 'check', 'check-am';
4591 # Handle recursion. We have to honor BUILT_SOURCES like for 'all:'.
4592 $output_rules .= ("check: "
4593 . (var ('BUILT_SOURCES')
4594 ? "\$(BUILT_SOURCES)\n\t\$(MAKE) \$(AM_MAKEFLAGS) "
4596 . (var ('SUBDIRS') ? 'check-recursive' : 'check-am')
4598 depend ('.MAKE', 'check')
4599 if var ('BUILT_SOURCES');
4602 # handle_clean ($MAKEFILE)
4603 # ------------------------
4604 # Handle all 'clean' targets.
4605 sub handle_clean ($)
4607 my ($makefile) = @_;
4609 # Clean the files listed in user variables if they exist.
4610 $clean_files{'$(MOSTLYCLEANFILES)'} = MOSTLY_CLEAN
4611 if var ('MOSTLYCLEANFILES');
4612 $clean_files{'$(CLEANFILES)'} = CLEAN
4613 if var ('CLEANFILES');
4614 $clean_files{'$(DISTCLEANFILES)'} = DIST_CLEAN
4615 if var ('DISTCLEANFILES');
4616 $clean_files{'$(MAINTAINERCLEANFILES)'} = MAINTAINER_CLEAN
4617 if var ('MAINTAINERCLEANFILES');
4619 # Built sources are automatically removed by maintainer-clean.
4620 $clean_files{'$(BUILT_SOURCES)'} = MAINTAINER_CLEAN
4621 if var ('BUILT_SOURCES');
4623 # Compute a list of "rm"s to run for each target.
4624 my %rms = (MOSTLY_CLEAN, [],
4627 MAINTAINER_CLEAN, []);
4629 foreach my $file (keys %clean_files)
4631 my $when = $clean_files{$file};
4632 prog_error 'invalid entry in %clean_files'
4633 unless exists $rms{$when};
4635 my $rm = "rm -f $file";
4636 # If file is a variable, make sure when don't call 'rm -f' without args.
4637 $rm ="test -z \"$file\" || $rm"
4638 if ($file =~ /^\s*\$(\(.*\)|\{.*\})\s*$/);
4640 push @{$rms{$when}}, "\t-$rm\n";
4643 $output_rules .= &file_contents
4645 new Automake::Location,
4646 MOSTLYCLEAN_RMS => join ('', sort @{$rms{&MOSTLY_CLEAN}}),
4647 CLEAN_RMS => join ('', sort @{$rms{&CLEAN}}),
4648 DISTCLEAN_RMS => join ('', sort @{$rms{&DIST_CLEAN}}),
4649 MAINTAINER_CLEAN_RMS => join ('', sort @{$rms{&MAINTAINER_CLEAN}}),
4650 MAKEFILE => basename $makefile,
4655 # &target_cmp ($A, $B)
4656 # --------------------
4657 # Subroutine for &handle_factored_dependencies to let '.PHONY' and
4658 # other '.TARGETS' be last.
4661 return 0 if $a eq $b;
4663 my $a1 = substr ($a, 0, 1);
4664 my $b1 = substr ($b, 0, 1);
4667 return -1 if $b1 eq '.';
4668 return 1 if $a1 eq '.';
4674 # &handle_factored_dependencies ()
4675 # --------------------------------
4676 # Handle everything related to gathered targets.
4677 sub handle_factored_dependencies
4680 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
4681 'uninstall-exec-local', 'uninstall-exec-hook',
4682 'uninstall-dvi-local',
4683 'uninstall-html-local',
4684 'uninstall-info-local',
4685 'uninstall-pdf-local',
4686 'uninstall-ps-local')
4690 reject_rule ($utarg, "use '$x', not '$utarg'");
4693 reject_rule ('install-local',
4694 "use 'install-data-local' or 'install-exec-local', "
4695 . "not 'install-local'");
4697 reject_rule ('install-hook',
4698 "use 'install-data-hook' or 'install-exec-hook', "
4699 . "not 'install-hook'");
4701 # Install the -local hooks.
4702 foreach (keys %dependencies)
4704 # Hooks are installed on the -am targets.
4706 depend ("$_-am", "$_-local")
4707 if user_phony_rule "$_-local";
4710 # Install the -hook hooks.
4711 # FIXME: Why not be as liberal as we are with -local hooks?
4712 foreach ('install-exec', 'install-data', 'uninstall')
4714 if (user_phony_rule "$_-hook")
4716 depend ('.MAKE', "$_-am");
4717 register_action("$_-am",
4718 ("\t\@\$(NORMAL_INSTALL)\n"
4719 . "\t\$(MAKE) \$(AM_MAKEFLAGS) $_-hook"));
4723 # All the required targets are phony.
4724 depend ('.PHONY', keys %required_targets);
4726 # Actually output gathered targets.
4727 foreach (sort target_cmp keys %dependencies)
4729 # If there is nothing about this guy, skip it.
4731 unless (@{$dependencies{$_}}
4733 || $required_targets{$_});
4735 # Define gathered targets in undefined conditions.
4736 # FIXME: Right now we must handle .PHONY as an exception,
4737 # because people write things like
4738 # .PHONY: myphonytarget
4739 # to append dependencies. This would not work if Automake
4740 # refrained from defining its own .PHONY target as it does
4741 # with other overridden targets.
4742 # Likewise for '.MAKE'.
4743 my @undefined_conds = (TRUE,);
4744 if ($_ ne '.PHONY' && $_ ne '.MAKE')
4747 Automake::Rule::define ($_, 'internal',
4748 RULE_AUTOMAKE, TRUE, INTERNAL);
4750 my @uniq_deps = uniq (sort @{$dependencies{$_}});
4751 foreach my $cond (@undefined_conds)
4753 my $condstr = $cond->subst_string;
4754 &pretty_print_rule ("$condstr$_:", "$condstr\t", @uniq_deps);
4755 $output_rules .= $actions{$_} if defined $actions{$_};
4756 $output_rules .= "\n";
4762 # &handle_tests_dejagnu ()
4763 # ------------------------
4764 sub handle_tests_dejagnu
4766 push (@check_tests, 'check-DEJAGNU');
4767 $output_rules .= file_contents ('dejagnu', new Automake::Location);
4770 sub handle_per_suffix_test
4772 my ($test_suffix, %transform) = @_;
4773 my ($pfx, $generic, $am_exeext);
4774 if ($test_suffix eq '')
4778 $am_exeext = 'FALSE';
4782 prog_error ("test suffix '$test_suffix' lacks leading dot")
4783 unless $test_suffix =~ m/^\.(.*)/;
4784 $pfx = uc ($1) . '_';
4786 $am_exeext = exists $configure_vars{'EXEEXT'} ? 'am__EXEEXT'
4789 # The "test driver" program, deputed to handle tests protocol used by
4790 # test scripts. By default, it's assumed that no protocol is used, so
4791 # we fall back to the old behaviour, implemented by the 'test-driver'
4793 if (! var "${pfx}LOG_DRIVER")
4795 require_conf_file ("parallel-tests", FOREIGN, 'test-driver');
4796 define_variable ("${pfx}LOG_DRIVER",
4797 "\$(SHELL) $am_config_aux_dir/test-driver",
4800 my $driver = '$(' . $pfx . 'LOG_DRIVER)';
4801 my $driver_flags = '$(AM_' . $pfx . 'LOG_DRIVER_FLAGS)'
4802 . ' $(' . $pfx . 'LOG_DRIVER_FLAGS)';
4803 my $compile = "${pfx}LOG_COMPILE";
4804 define_variable ($compile,
4805 '$(' . $pfx . 'LOG_COMPILER)'
4806 . ' $(AM_' . $pfx . 'LOG_FLAGS)'
4807 . ' $(' . $pfx . 'LOG_FLAGS)',
4809 $output_rules .= file_contents ('check2', new Automake::Location,
4810 GENERIC => $generic,
4812 DRIVER_FLAGS => $driver_flags,
4813 COMPILE => '$(' . $compile . ')',
4814 EXT => $test_suffix,
4815 am__EXEEXT => $am_exeext,
4819 # is_valid_test_extension ($EXT)
4820 # ------------------------------
4821 # Return true if $EXT can appear in $(TEST_EXTENSIONS), return false
4823 sub is_valid_test_extension ($)
4827 if ($ext =~ /^\.[a-zA-Z_][a-zA-Z0-9_]*$/);
4829 if (exists $configure_vars{'EXEEXT'} && $ext eq subst ('EXEEXT'));
4833 # Handle TESTS variable and other checks.
4836 if (option 'dejagnu')
4838 &handle_tests_dejagnu;
4842 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4844 reject_var ($c, "'$c' defined but 'dejagnu' not in "
4845 . "'AUTOMAKE_OPTIONS'");
4851 push (@check_tests, 'check-TESTS');
4852 my $check_deps = "@check";
4853 $output_rules .= &file_contents ('check', new Automake::Location,
4854 COLOR => !! option 'color-tests',
4855 SERIAL_TESTS => !! option 'serial-tests',
4856 CHECK_DEPS => $check_deps);
4858 # Tests that are known programs should have $(EXEEXT) appended.
4859 # For matching purposes, we need to adjust XFAIL_TESTS as well.
4860 append_exeext { exists $known_programs{$_[0]} } 'TESTS';
4861 append_exeext { exists $known_programs{$_[0]} } 'XFAIL_TESTS'
4862 if (var ('XFAIL_TESTS'));
4864 if (! option 'serial-tests')
4866 define_variable ('TEST_SUITE_LOG', 'test-suite.log', INTERNAL);
4869 my $handle_exeext = exists $configure_vars{'EXEEXT'};
4872 $at_exeext = subst ('EXEEXT');
4873 $suff = $at_exeext . ' ' . $suff;
4875 if (! var 'TEST_EXTENSIONS')
4877 define_variable ('TEST_EXTENSIONS', $suff, INTERNAL);
4879 my $var = var 'TEST_EXTENSIONS';
4880 # Currently, we are not able to deal with conditional contents
4881 # in TEST_EXTENSIONS.
4882 if ($var->has_conditional_contents)
4884 msg_var 'unsupported', $var,
4885 "'TEST_EXTENSIONS' cannot have conditional contents";
4887 my @test_suffixes = $var->value_as_list_recursive;
4888 if ((my @invalid_test_suffixes =
4889 grep { !is_valid_test_extension $_ } @test_suffixes) > 0)
4891 error $var->rdef (TRUE)->location,
4892 "invalid test extensions: @invalid_test_suffixes";
4894 @test_suffixes = grep { is_valid_test_extension $_ } @test_suffixes;
4897 unshift (@test_suffixes, $at_exeext)
4898 unless $test_suffixes[0] eq $at_exeext;
4900 unshift (@test_suffixes, '');
4902 transform_variable_recursively
4903 ('TESTS', 'TEST_LOGS', 'am__testlogs', 1, INTERNAL,
4905 my ($subvar, $val, $cond, $full_cond) = @_;
4908 if $val =~ /^\@.*\@$/;
4909 $obj =~ s/\$\(EXEEXT\)$//o;
4911 if ($val =~ /(\$\((top_)?srcdir\))\//o)
4913 msg ('error', $subvar->rdef ($cond)->location,
4914 "using '$1' in TESTS is currently broken: '$val'");
4917 foreach my $test_suffix (@test_suffixes)
4920 if $test_suffix eq $at_exeext || $test_suffix eq '';
4921 return substr ($obj, 0, length ($obj) - length ($test_suffix)) . '.log'
4922 if substr ($obj, - length ($test_suffix)) eq $test_suffix;
4926 handle_per_suffix_test ('',
4936 my $last_suffix = $test_suffixes[$#test_suffixes];
4938 foreach my $test_suffix (@test_suffixes)
4940 if ($test_suffix eq $last_suffix)
4946 $cur = 'am__test_logs' . $nhelper;
4948 define_variable ($cur,
4949 '$(' . $prev . ':' . $test_suffix . $post . '=.log)', INTERNAL);
4953 if ($test_suffix ne $at_exeext && $test_suffix ne '')
4955 handle_per_suffix_test ($test_suffix,
4961 $clean_files{'$(TEST_LOGS)'} = MOSTLY_CLEAN;
4962 $clean_files{'$(TEST_LOGS:.log=.trs)'} = MOSTLY_CLEAN;
4963 $clean_files{'$(TEST_SUITE_LOG)'} = MOSTLY_CLEAN;
4968 # Handle Emacs Lisp.
4969 sub handle_emacs_lisp
4971 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
4974 return if ! @elfiles;
4976 define_pretty_variable ('am__ELFILES', TRUE, INTERNAL,
4977 map { $_->[1] } @elfiles);
4978 define_pretty_variable ('am__ELCFILES', TRUE, INTERNAL,
4979 '$(am__ELFILES:.el=.elc)');
4980 # This one can be overridden by users.
4981 define_pretty_variable ('ELCFILES', TRUE, INTERNAL, '$(LISP:.el=.elc)');
4983 push @all, '$(ELCFILES)';
4985 require_variables ($elfiles[0][0], "Emacs Lisp sources seen", TRUE,
4986 'EMACS', 'lispdir');
4987 require_conf_file ($elfiles[0][0], FOREIGN, 'elisp-comp');
4988 &define_variable ('elisp_comp', "$am_config_aux_dir/elisp-comp", INTERNAL);
4994 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4996 return if ! @pyfiles;
4998 require_variables ($pyfiles[0][0], "Python sources seen", TRUE, 'PYTHON');
4999 require_conf_file ($pyfiles[0][0], FOREIGN, 'py-compile');
5000 &define_variable ('py_compile', "$am_config_aux_dir/py-compile", INTERNAL);
5006 my @sourcelist = &am_install_var ('-candist',
5009 return if ! @sourcelist;
5011 my @prefixes = am_primary_prefixes ('JAVA', 1,
5015 my @java_sources = ();
5016 foreach my $prefix (@prefixes)
5018 (my $curs = $prefix) =~ s/^(?:nobase_)?(?:dist_|nodist_)?//;
5021 if $curs eq 'EXTRA';
5023 push @java_sources, '$(' . $prefix . '_JAVA' . ')';
5027 err_var "${curs}_JAVA", "multiple _JAVA primaries in use"
5028 unless $curs eq $dir;
5034 define_pretty_variable ('am__java_sources', TRUE, INTERNAL,
5037 if ($dir eq 'check')
5039 push (@check, "class$dir.stamp");
5043 push (@all, "class$dir.stamp");
5048 # Handle some of the minor options.
5049 sub handle_minor_options
5051 if (option 'readme-alpha')
5053 if ($relative_dir eq '.')
5055 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
5057 msg ('error-gnits', $package_version_location,
5058 "version '$package_version' doesn't follow " .
5061 if (defined $1 && -f 'README-alpha')
5063 # This means we have an alpha release. See
5064 # GNITS_VERSION_PATTERN for details.
5065 push_dist_common ('README-alpha');
5071 ################################################################
5073 # ($OUTPUT, @INPUTS)
5074 # &split_config_file_spec ($SPEC)
5075 # -------------------------------
5076 # Decode the Autoconf syntax for config files (files, headers, links
5078 sub split_config_file_spec ($)
5081 my ($output, @inputs) = split (/:/, $spec);
5083 push @inputs, "$output.in"
5086 return ($output, @inputs);
5090 # locate_am (@POSSIBLE_SOURCES)
5091 # -----------------------------
5092 # AC_CONFIG_FILES allow specifications such as Makefile:top.in:mid.in:bot.in
5093 # This functions returns the first *.in file for which a *.am exists.
5094 # It returns undef otherwise.
5099 foreach my $file (@rest)
5101 if (($file =~ /^(.*)\.in$/) && -f "$1.am")
5112 # &scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
5113 # ---------------------------------------------------
5114 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
5116 sub scan_autoconf_config_files ($$)
5118 my ($where, $config_files) = @_;
5120 # Look at potential Makefile.am's.
5121 foreach (split ' ', $config_files)
5123 # Must skip empty string for Perl 4.
5124 next if $_ eq "\\" || $_ eq '';
5126 # Handle $local:$input syntax.
5127 my ($local, @rest) = split (/:/);
5128 @rest = ("$local.in",) unless @rest;
5129 # Keep in sync with 'conffile-leading-dot.test'.
5130 msg ('unsupported', $where,
5131 "omit leading './' from config file names such as '$local';"
5132 . "\nremake rules might be subtly broken otherwise")
5133 if ($local =~ /^\.\//);
5134 my $input = locate_am @rest;
5137 # We have a file that automake should generate.
5138 $make_list{$input} = join (':', ($local, @rest));
5142 # We have a file that automake should cause to be
5143 # rebuilt, but shouldn't generate itself.
5144 push (@other_input_files, $_);
5146 $ac_config_files_location{$local} = $where;
5147 $ac_config_files_condition{$local} =
5148 new Automake::Condition (@cond_stack)
5154 # &scan_autoconf_traces ($FILENAME)
5155 # ---------------------------------
5156 sub scan_autoconf_traces ($)
5158 my ($filename) = @_;
5160 # Macros to trace, with their minimal number of arguments.
5162 # IMPORTANT: If you add a macro here, you should also add this macro
5163 # ========= to Automake-preselection in autoconf/lib/autom4te.in.
5165 AC_CANONICAL_BUILD => 0,
5166 AC_CANONICAL_HOST => 0,
5167 AC_CANONICAL_TARGET => 0,
5168 AC_CONFIG_AUX_DIR => 1,
5169 AC_CONFIG_FILES => 1,
5170 AC_CONFIG_HEADERS => 1,
5171 AC_CONFIG_LIBOBJ_DIR => 1,
5172 AC_CONFIG_LINKS => 1,
5176 AC_REQUIRE_AUX_FILE => 1,
5177 AC_SUBST_TRACE => 1,
5178 AM_AUTOMAKE_VERSION => 1,
5179 AM_CONDITIONAL => 2,
5180 AM_GNU_GETTEXT => 0,
5181 AM_GNU_GETTEXT_INTL_SUBDIR => 0,
5182 AM_INIT_AUTOMAKE => 0,
5183 AM_MAINTAINER_MODE => 0,
5185 AM_PROG_CC_C_O => 0,
5186 _AM_SUBST_NOTMAKE => 1,
5189 _AM_COND_ENDIF => 1,
5190 LT_SUPPORTED_TAG => 1,
5191 _LT_AC_TAGCONFIG => 0,
5197 my $traces = ($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ";
5199 # Use a separator unlikely to be used, not ':', the default, which
5200 # has a precise meaning for AC_CONFIG_FILES and so on.
5201 $traces .= join (' ',
5202 map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
5205 my $tracefh = new Automake::XFile ("$traces $filename |");
5206 verb "reading $traces";
5211 while ($_ = $tracefh->getline)
5214 my ($here, $depth, @args) = split (/::/);
5215 $where = new Automake::Location $here;
5216 my $macro = $args[0];
5218 prog_error ("unrequested trace '$macro'")
5219 unless exists $traced{$macro};
5221 # Skip and diagnose malformed calls.
5222 if ($#args < $traced{$macro})
5224 msg ('syntax', $where, "not enough arguments for $macro");
5228 # Alphabetical ordering please.
5229 if ($macro eq 'AC_CANONICAL_BUILD')
5231 if ($seen_canonical <= AC_CANONICAL_BUILD)
5233 $seen_canonical = AC_CANONICAL_BUILD;
5234 $canonical_location = $where;
5237 elsif ($macro eq 'AC_CANONICAL_HOST')
5239 if ($seen_canonical <= AC_CANONICAL_HOST)
5241 $seen_canonical = AC_CANONICAL_HOST;
5242 $canonical_location = $where;
5245 elsif ($macro eq 'AC_CANONICAL_TARGET')
5247 $seen_canonical = AC_CANONICAL_TARGET;
5248 $canonical_location = $where;
5250 elsif ($macro eq 'AC_CONFIG_AUX_DIR')
5252 if ($seen_init_automake)
5254 error ($where, "AC_CONFIG_AUX_DIR must be called before "
5255 . "AM_INIT_AUTOMAKE ...", partial => 1);
5256 error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
5258 $config_aux_dir = $args[1];
5259 $config_aux_dir_set_in_configure_ac = 1;
5260 check_directory ($config_aux_dir, $where);
5262 elsif ($macro eq 'AC_CONFIG_FILES')
5264 # Look at potential Makefile.am's.
5265 scan_autoconf_config_files ($where, $args[1]);
5267 elsif ($macro eq 'AC_CONFIG_HEADERS')
5269 foreach my $spec (split (' ', $args[1]))
5271 my ($dest, @src) = split (':', $spec);
5272 $ac_config_files_location{$dest} = $where;
5273 push @config_headers, $spec;
5276 elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
5278 $config_libobj_dir = $args[1];
5279 check_directory ($config_libobj_dir, $where);
5281 elsif ($macro eq 'AC_CONFIG_LINKS')
5283 foreach my $spec (split (' ', $args[1]))
5285 my ($dest, $src) = split (':', $spec);
5286 $ac_config_files_location{$dest} = $where;
5287 push @config_links, $spec;
5290 elsif ($macro eq 'AC_FC_SRCEXT')
5292 my $suffix = $args[1];
5293 # These flags are used as %SOURCEFLAG% in depend2.am,
5294 # where the trailing space is important.
5295 $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
5296 if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
5298 elsif ($macro eq 'AC_INIT')
5300 if (defined $args[2])
5302 $package_version = $args[2];
5303 $package_version_location = $where;
5306 elsif ($macro eq 'AC_LIBSOURCE')
5308 $libsources{$args[1]} = $here;
5310 elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
5312 # Only remember the first time a file is required.
5313 $required_aux_file{$args[1]} = $where
5314 unless exists $required_aux_file{$args[1]};
5316 elsif ($macro eq 'AC_SUBST_TRACE')
5318 # Just check for alphanumeric in AC_SUBST_TRACE. If you do
5319 # AC_SUBST(5), then too bad.
5320 $configure_vars{$args[1]} = $where
5321 if $args[1] =~ /^\w+$/;
5323 elsif ($macro eq 'AM_AUTOMAKE_VERSION')
5326 "version mismatch. This is Automake $VERSION,\n" .
5327 "but the definition used by this AM_INIT_AUTOMAKE\n" .
5328 "comes from Automake $args[1]. You should recreate\n" .
5329 "aclocal.m4 with aclocal and run automake again.\n",
5330 # $? = 63 is used to indicate version mismatch to missing.
5332 if $VERSION ne $args[1];
5334 $seen_automake_version = 1;
5336 elsif ($macro eq 'AM_CONDITIONAL')
5338 $configure_cond{$args[1]} = $where;
5340 elsif ($macro eq 'AM_GNU_GETTEXT')
5342 $seen_gettext = $where;
5343 $ac_gettext_location = $where;
5344 $seen_gettext_external = grep ($_ eq 'external', @args);
5346 elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
5348 $seen_gettext_intl = $where;
5350 elsif ($macro eq 'AM_INIT_AUTOMAKE')
5352 $seen_init_automake = $where;
5353 if (defined $args[2])
5355 msg 'obsolete', $where, <<'EOF';
5356 AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see:
5357 http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_INIT_AUTOMAKE-invocation
5359 $package_version = $args[2];
5360 $package_version_location = $where;
5362 elsif (defined $args[1])
5364 my @opts = split (' ', $args[1]);
5365 @opts = map { { option => $_, where => $where } } @opts;
5366 exit $exit_code if process_global_option_list (@opts);
5369 elsif ($macro eq 'AM_MAINTAINER_MODE')
5371 $seen_maint_mode = $where;
5373 elsif ($macro eq 'AM_PROG_AR')
5377 elsif ($macro eq 'AM_PROG_CC_C_O')
5379 $seen_cc_c_o = $where;
5381 elsif ($macro eq '_AM_COND_IF')
5383 cond_stack_if ('', $args[1], $where);
5384 error ($where, "missing m4 quoting, macro depth $depth")
5387 elsif ($macro eq '_AM_COND_ELSE')
5389 cond_stack_else ('!', $args[1], $where);
5390 error ($where, "missing m4 quoting, macro depth $depth")
5393 elsif ($macro eq '_AM_COND_ENDIF')
5395 cond_stack_endif (undef, undef, $where);
5396 error ($where, "missing m4 quoting, macro depth $depth")
5399 elsif ($macro eq '_AM_SUBST_NOTMAKE')
5401 $ignored_configure_vars{$args[1]} = $where;
5403 elsif ($macro eq 'm4_include'
5404 || $macro eq 'm4_sinclude'
5405 || $macro eq 'sinclude')
5407 # Skip missing 'sinclude'd files.
5408 next if $macro ne 'm4_include' && ! -f $args[1];
5410 # Some modified versions of Autoconf don't use
5411 # frozen files. Consequently it's possible that we see all
5412 # m4_include's performed during Autoconf's startup.
5413 # Obviously we don't want to distribute Autoconf's files
5414 # so we skip absolute filenames here.
5415 push @configure_deps, '$(top_srcdir)/' . $args[1]
5416 unless $here =~ m,^(?:\w:)?[\\/],;
5417 # Keep track of the greatest timestamp.
5420 my $mtime = mtime $args[1];
5421 $configure_deps_greatest_timestamp = $mtime
5422 if $mtime > $configure_deps_greatest_timestamp;
5425 elsif ($macro eq 'LT_SUPPORTED_TAG')
5427 $libtool_tags{$args[1]} = 1;
5428 $libtool_new_api = 1;
5430 elsif ($macro eq '_LT_AC_TAGCONFIG')
5432 # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
5433 # We use it to detect whether tags are supported. Our
5434 # preferred interface is LT_SUPPORTED_TAG, but it was
5435 # introduced in Libtool 1.6.
5436 if (0 == keys %libtool_tags)
5438 # Hardcode the tags supported by Libtool 1.5.
5439 %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
5444 error ($where, "condition stack not properly closed")
5451 # &scan_autoconf_files ()
5452 # -----------------------
5453 # Check whether we use 'configure.ac' or 'configure.in'.
5454 # Scan it (and possibly 'aclocal.m4') for interesting things.
5455 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
5456 sub scan_autoconf_files ()
5458 # Reinitialize libsources here. This isn't really necessary,
5459 # since we currently assume there is only one configure.ac. But
5460 # that won't always be the case.
5463 # Keep track of the youngest configure dependency.
5464 $configure_deps_greatest_timestamp = mtime $configure_ac;
5465 if (-e 'aclocal.m4')
5467 my $mtime = mtime 'aclocal.m4';
5468 $configure_deps_greatest_timestamp = $mtime
5469 if $mtime > $configure_deps_greatest_timestamp;
5472 scan_autoconf_traces ($configure_ac);
5474 @configure_input_files = sort keys %make_list;
5475 # Set input and output files if not specified by user.
5478 @input_files = @configure_input_files;
5479 %output_files = %make_list;
5483 if (! $seen_init_automake)
5485 err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
5486 . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
5487 . "\nthat aclocal.m4 is present in the top-level directory,\n"
5488 . "and that aclocal.m4 was recently regenerated "
5489 . "(using aclocal)");
5493 if (! $seen_automake_version)
5495 if (-f 'aclocal.m4')
5497 error ($seen_init_automake,
5498 "your implementation of AM_INIT_AUTOMAKE comes from " .
5499 "an\nold Automake version. You should recreate " .
5500 "aclocal.m4\nwith aclocal and run automake again",
5501 # $? = 63 is used to indicate version mismatch to missing.
5506 error ($seen_init_automake,
5507 "no proper implementation of AM_INIT_AUTOMAKE was " .
5508 "found,\nprobably because aclocal.m4 is missing.\n" .
5509 "You should run aclocal to create this file, then\n" .
5510 "run automake again");
5517 # Look for some files we need. Always check for these. This
5518 # check must be done for every run, even those where we are only
5519 # looking at a subdir Makefile. We must set relative_dir for
5520 # push_required_file to work.
5521 # Sort the files for stable verbose output.
5522 $relative_dir = '.';
5523 foreach my $file (sort keys %required_aux_file)
5525 require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
5527 err_am "'install.sh' is an anachronism; use 'install-sh' instead"
5528 if -f $config_aux_dir . '/install.sh';
5530 # Preserve dist_common for later.
5531 $configure_dist_common = variable_value ('DIST_COMMON') || '';
5535 ################################################################
5537 # Do any extra checking for GNU standards.
5538 sub check_gnu_standards
5540 if ($relative_dir eq '.')
5542 # In top level (or only) directory.
5543 require_file ("$am_file.am", GNU,
5544 qw/INSTALL NEWS README AUTHORS ChangeLog/);
5546 # Accept one of these three licenses; default to COPYING.
5547 # Make sure we do not overwrite an existing license.
5549 foreach (qw /COPYING COPYING.LIB COPYING.LESSER/)
5557 require_file ("$am_file.am", GNU, 'COPYING')
5561 for my $opt ('no-installman', 'no-installinfo')
5563 msg ('error-gnu', option $opt,
5564 "option '$opt' disallowed by GNU standards")
5569 # Do any extra checking for GNITS standards.
5570 sub check_gnits_standards
5572 if ($relative_dir eq '.')
5574 # In top level (or only) directory.
5575 require_file ("$am_file.am", GNITS, 'THANKS');
5579 ################################################################
5581 # Functions to handle files of each language.
5583 # Each 'lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
5584 # simple formula: Return value is LANG_SUBDIR if the resulting object
5585 # file should be in a subdir if the source file is, LANG_PROCESS if
5586 # file is to be dealt with, LANG_IGNORE otherwise.
5588 # Much of the actual processing is handled in
5589 # handle_single_transform. These functions exist so that
5590 # auxiliary information can be recorded for a later cleanup pass.
5591 # Note that the calls to these functions are computed, so don't bother
5592 # searching for their precise names in the source.
5594 # This is just a convenience function that can be used to determine
5595 # when a subdir object should be used.
5598 return option 'subdir-objects' ? LANG_SUBDIR : LANG_PROCESS;
5601 # Rewrite a single C source file.
5604 my ($directory, $base, $ext, $obj, $have_per_exec_flags, $var) = @_;
5606 my $r = LANG_PROCESS;
5607 if (option 'subdir-objects')
5610 if ($directory && $directory ne '.')
5612 $base = $directory . '/' . $base;
5614 # libtool is always able to put the object at the proper place,
5615 # so we do not have to require AM_PROG_CC_C_O when building .lo files.
5616 msg_var ('portability', $var,
5617 "compiling '$base.c' in subdir requires "
5618 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5619 uniq_scope => US_GLOBAL,
5620 uniq_part => 'AM_PROG_CC_C_O subdir')
5621 unless $seen_cc_c_o || $obj eq '.lo';
5626 && $have_per_exec_flags
5627 && ! option 'subdir-objects'
5630 msg_var ('portability',
5631 $var, "compiling '$base.c' with per-target flags requires "
5632 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5633 uniq_scope => US_GLOBAL,
5634 uniq_part => 'AM_PROG_CC_C_O per-target')
5640 # Rewrite a single C++ source file.
5641 sub lang_cxx_rewrite
5643 return &lang_sub_obj;
5646 # Rewrite a single header file.
5647 sub lang_header_rewrite
5649 # Header files are simply ignored.
5653 # Rewrite a single Vala source file.
5654 sub lang_vala_rewrite
5656 my ($directory, $base, $ext) = @_;
5658 (my $newext = $ext) =~ s/vala$/c/;
5659 return (LANG_SUBDIR, $newext);
5662 # Rewrite a single yacc file.
5663 sub lang_yacc_rewrite
5665 my ($directory, $base, $ext) = @_;
5667 my $r = &lang_sub_obj;
5668 (my $newext = $ext) =~ tr/y/c/;
5669 return ($r, $newext);
5672 # Rewrite a single yacc++ file.
5673 sub lang_yaccxx_rewrite
5675 my ($directory, $base, $ext) = @_;
5677 my $r = &lang_sub_obj;
5678 (my $newext = $ext) =~ tr/y/c/;
5679 return ($r, $newext);
5682 # Rewrite a single lex file.
5683 sub lang_lex_rewrite
5685 my ($directory, $base, $ext) = @_;
5687 my $r = &lang_sub_obj;
5688 (my $newext = $ext) =~ tr/l/c/;
5689 return ($r, $newext);
5692 # Rewrite a single lex++ file.
5693 sub lang_lexxx_rewrite
5695 my ($directory, $base, $ext) = @_;
5697 my $r = &lang_sub_obj;
5698 (my $newext = $ext) =~ tr/l/c/;
5699 return ($r, $newext);
5702 # Rewrite a single assembly file.
5703 sub lang_asm_rewrite
5705 return &lang_sub_obj;
5708 # Rewrite a single preprocessed assembly file.
5709 sub lang_cppasm_rewrite
5711 return &lang_sub_obj;
5714 # Rewrite a single Fortran 77 file.
5715 sub lang_f77_rewrite
5717 return &lang_sub_obj;
5720 # Rewrite a single Fortran file.
5723 return &lang_sub_obj;
5726 # Rewrite a single preprocessed Fortran file.
5727 sub lang_ppfc_rewrite
5729 return &lang_sub_obj;
5732 # Rewrite a single preprocessed Fortran 77 file.
5733 sub lang_ppf77_rewrite
5735 return &lang_sub_obj;
5738 # Rewrite a single ratfor file.
5739 sub lang_ratfor_rewrite
5741 return &lang_sub_obj;
5744 # Rewrite a single Objective C file.
5745 sub lang_objc_rewrite
5747 return &lang_sub_obj;
5750 # Rewrite a single Objective C++ file.
5751 sub lang_objcxx_rewrite
5753 return &lang_sub_obj;
5756 # Rewrite a single Unified Parallel C file.
5757 sub lang_upc_rewrite
5759 return &lang_sub_obj;
5762 # Rewrite a single Java file.
5763 sub lang_java_rewrite
5768 # The lang_X_finish functions are called after all source file
5769 # processing is done. Each should handle defining rules for the
5770 # language, etc. A finish function is only called if a source file of
5771 # the appropriate type has been seen.
5773 sub lang_vala_finish_target ($$)
5775 my ($self, $name) = @_;
5777 my $derived = canonicalize ($name);
5778 my $var = var "${derived}_SOURCES";
5781 my @vala_sources = grep { /\.(vala|vapi)$/ } ($var->value_as_list_recursive);
5783 # For automake bug#11229.
5784 return unless @vala_sources;
5786 foreach my $vala_file (@vala_sources)
5788 my $c_file = $vala_file;
5789 if ($c_file =~ s/(.*)\.vala$/$1.c/)
5791 $c_file = "\$(srcdir)/$c_file";
5792 $output_rules .= "$c_file: \$(srcdir)/${derived}_vala.stamp\n"
5793 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5794 . "\t\@if test -f \$@; then :; else \\\n"
5795 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5797 $clean_files{$c_file} = MAINTAINER_CLEAN;
5801 # Add rebuild rules for generated header and vapi files
5802 my $flags = var ($derived . '_VALAFLAGS');
5806 foreach my $flag ($flags->value_as_list_recursive)
5808 if (grep (/$lastflag/, ('-H', '-h', '--header', '--internal-header',
5809 '--vapi', '--internal-vapi', '--gir')))
5811 my $headerfile = "\$(srcdir)/$flag";
5812 $output_rules .= "$headerfile: \$(srcdir)/${derived}_vala.stamp\n"
5813 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5814 . "\t\@if test -f \$@; then :; else \\\n"
5815 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5818 # valac is not used when building from dist tarballs
5819 # distribute the generated files
5820 push_dist_common ($headerfile);
5821 $clean_files{$headerfile} = MAINTAINER_CLEAN;
5827 my $compile = $self->compile;
5829 # Rewrite each occurrence of 'AM_VALAFLAGS' in the compile
5830 # rule into '${derived}_VALAFLAGS' if it exists.
5831 my $val = "${derived}_VALAFLAGS";
5832 $compile =~ s/\(AM_VALAFLAGS\)/\($val\)/
5835 # VALAFLAGS is a user variable (per GNU Standards),
5836 # it should not be overridden in the Makefile...
5837 check_user_variables 'VALAFLAGS';
5839 my $dirname = dirname ($name);
5841 # Only generate C code, do not run C compiler
5844 my $verbose = verbose_flag ('VALAC');
5845 my $silent = silent_flag ();
5846 my $stampfile = "\$(srcdir)/${derived}_vala.stamp";
5849 "\$(srcdir)/${derived}_vala.stamp: @vala_sources\n".
5850 # Since the C files generated from the vala sources depend on the
5851 # ${derived}_vala.stamp file, we must ensure its timestamp is older than
5852 # those of the C files generated by the valac invocation below (this is
5853 # especially important on systems with sub-second timestamp resolution).
5854 # Thus we need to create the stamp file *before* invoking valac, and to
5855 # move it to its final location only after valac has been invoked.
5856 "\t${silent}rm -f \$\@ && echo stamp > \$\@-t\n".
5857 "\t${verbose}\$(am__cd) \$(srcdir) && $compile @vala_sources\n".
5858 "\t${silent}mv -f \$\@-t \$\@\n";
5860 push_dist_common ($stampfile);
5862 $clean_files{$stampfile} = MAINTAINER_CLEAN;
5865 # Add output rules to invoke valac and create stamp file as a witness
5866 # to handle multiple outputs. This function is called after all source
5867 # file processing is done.
5868 sub lang_vala_finish
5872 foreach my $prog (keys %known_programs)
5874 lang_vala_finish_target ($self, $prog);
5877 while (my ($name) = each %known_libraries)
5879 lang_vala_finish_target ($self, $name);
5883 # The built .c files should be cleaned only on maintainer-clean
5884 # as the .c files are distributed. This function is called for each
5885 # .vala source file.
5886 sub lang_vala_target_hook
5888 my ($self, $aggregate, $output, $input, %transform) = @_;
5890 $clean_files{$output} = MAINTAINER_CLEAN;
5893 # This is a yacc helper which is called whenever we have decided to
5894 # compile a yacc file.
5895 sub lang_yacc_target_hook
5897 my ($self, $aggregate, $output, $input, %transform) = @_;
5899 # If some relevant *YFLAGS variable contains the '-d' flag, we'll
5900 # have to to generate special code.
5901 my $yflags_contains_minus_d = 0;
5903 foreach my $pfx ("", "${aggregate}_")
5905 my $yflagsvar = var ("${pfx}YFLAGS");
5906 next unless $yflagsvar;
5907 # We cannot work reliably with conditionally-defined YFLAGS.
5908 if ($yflagsvar->has_conditional_contents)
5910 msg_var ('unsupported', $yflagsvar,
5911 "'${pfx}YFLAGS' cannot have conditional contents");
5915 $yflags_contains_minus_d = 1
5916 if grep (/^-d$/, $yflagsvar->value_as_list_recursive);
5920 if ($yflags_contains_minus_d)
5922 # Found a '-d' that applies to the compilation of this file.
5923 # Add a dependency for the generated header file, and arrange
5924 # for that file to be included in the distribution.
5926 # The extension of the output file (e.g., '.c' or '.cxx').
5927 # We'll need it to compute the name of the generated header file.
5928 (my $output_ext = basename ($output)) =~ s/.*(\.[^.]+)$/$1/;
5930 # We know that a yacc input should be turned into either a C or
5931 # C++ output file. We depend on this fact (here and in yacc.am),
5932 # so check that it really holds.
5933 my $lang = $languages{$extension_map{$output_ext}};
5934 prog_error "invalid output name '$output' for yacc file '$input'"
5935 if (!$lang || ($lang->name ne 'c' && $lang->name ne 'cxx'));
5937 (my $header_ext = $output_ext) =~ s/c/h/g;
5938 # Quote $output_ext in the regexp, so that dots in it are taken
5939 # as literal dots, not as metacharacters.
5940 (my $header = $output) =~ s/\Q$output_ext\E$/$header_ext/;
5942 foreach my $cond (Automake::Rule::define (${header}, 'internal',
5943 RULE_AUTOMAKE, TRUE,
5946 my $condstr = $cond->subst_string;
5948 "$condstr${header}: $output\n"
5949 # Recover from removal of $header
5950 . "$condstr\t\@if test ! -f \$@; then rm -f $output; else :; fi\n"
5951 . "$condstr\t\@if test ! -f \$@; then \$(MAKE) \$(AM_MAKEFLAGS) $output; else :; fi\n";
5953 # Distribute the generated file, unless its .y source was
5954 # listed in a nodist_ variable. (&handle_source_transform
5955 # will set DIST_SOURCE.)
5956 &push_dist_common ($header)
5957 if $transform{'DIST_SOURCE'};
5959 # The GNU rules say that yacc/lex output files should be removed
5960 # by maintainer-clean. However, if the files are not distributed,
5961 # then we want to remove them with "make clean"; otherwise,
5962 # "make distcheck" will fail.
5963 $clean_files{$header} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5965 # See the comment above for $HEADER.
5966 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5969 # This is a lex helper which is called whenever we have decided to
5970 # compile a lex file.
5971 sub lang_lex_target_hook
5973 my ($self, $aggregate, $output, $input, %transform) = @_;
5974 # The GNU rules say that yacc/lex output files should be removed
5975 # by maintainer-clean. However, if the files are not distributed,
5976 # then we want to remove them with "make clean"; otherwise,
5977 # "make distcheck" will fail.
5978 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5981 # This is a helper for both lex and yacc.
5982 sub yacc_lex_finish_helper
5984 return if defined $language_scratch{'lex-yacc-done'};
5985 $language_scratch{'lex-yacc-done'} = 1;
5987 # FIXME: for now, no line number.
5988 require_conf_file ($configure_ac, FOREIGN, 'ylwrap');
5989 &define_variable ('YLWRAP', "$am_config_aux_dir/ylwrap", INTERNAL);
5992 sub lang_yacc_finish
5994 return if defined $language_scratch{'yacc-done'};
5995 $language_scratch{'yacc-done'} = 1;
5997 reject_var 'YACCFLAGS', "'YACCFLAGS' obsolete; use 'YFLAGS' instead";
5999 yacc_lex_finish_helper;
6005 return if defined $language_scratch{'lex-done'};
6006 $language_scratch{'lex-done'} = 1;
6008 yacc_lex_finish_helper;
6012 # Given a hash table of linker names, pick the name that has the most
6013 # precedence. This is lame, but something has to have global
6014 # knowledge in order to eliminate the conflict. Add more linkers as
6020 foreach my $l (qw(GCJLINK OBJCXXLINK CXXLINK F77LINK FCLINK OBJCLINK UPCLINK))
6022 return $l if defined $linkers{$l};
6027 # Called to indicate that an extension was used.
6031 if (! defined $extension_seen{$ext})
6033 $extension_seen{$ext} = 1;
6037 ++$extension_seen{$ext};
6041 # Return the number of files seen for a given language. Knows about
6042 # special cases we care about. FIXME: this is hideous. We need
6043 # something that involves real language objects. For instance yacc
6044 # and yaccxx could both derive from a common yacc class which would
6045 # know about the strange ylwrap requirement. (Or better yet we could
6046 # just not support legacy yacc!)
6047 sub count_files_for_language
6052 if ($name eq 'yacc' || $name eq 'yaccxx')
6054 @names = ('yacc', 'yaccxx');
6056 elsif ($name eq 'lex' || $name eq 'lexxx')
6058 @names = ('lex', 'lexxx');
6066 foreach $name (@names)
6068 my $lang = $languages{$name};
6069 foreach my $ext (@{$lang->extensions})
6071 $r += $extension_seen{$ext}
6072 if defined $extension_seen{$ext};
6079 # Called to ask whether source files (not headers) have been seen.
6082 return scalar keys %extension_seen;
6086 # register_language (%ATTRIBUTE)
6087 # ------------------------------
6088 # Register a single language.
6089 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
6090 sub register_language (%)
6095 $option{'autodep'} = 'no'
6096 unless defined $option{'autodep'};
6097 $option{'linker'} = ''
6098 unless defined $option{'linker'};
6099 $option{'flags'} = []
6100 unless defined $option{'flags'};
6101 $option{'output_extensions'} = sub { return ( '.$(OBJEXT)', '.lo' ) }
6102 unless defined $option{'output_extensions'};
6103 $option{'nodist_specific'} = 0
6104 unless defined $option{'nodist_specific'};
6106 my $lang = new Language (%option);
6109 $extension_map{$_} = $lang->name foreach @{$lang->extensions};
6110 $languages{$lang->name} = $lang;
6111 my $link = $lang->linker;
6114 if (exists $link_languages{$link})
6116 prog_error ("'$link' has different definitions in "
6117 . $lang->name . " and " . $link_languages{$link}->name)
6118 if $lang->link ne $link_languages{$link}->link;
6122 $link_languages{$link} = $lang;
6126 # Update the pattern of known extensions.
6127 accept_extensions (@{$lang->extensions});
6129 # Upate the $suffix_rule map.
6130 foreach my $suffix (@{$lang->extensions})
6132 foreach my $dest (&{$lang->output_extensions} ($suffix))
6134 register_suffix_rule (INTERNAL, $suffix, $dest);
6139 # derive_suffix ($EXT, $OBJ)
6140 # --------------------------
6141 # This function is used to find a path from a user-specified suffix $EXT
6142 # to $OBJ or to some other suffix we recognize internally, e.g. 'cc'.
6143 sub derive_suffix ($$)
6145 my ($source_ext, $obj) = @_;
6147 while (! $extension_map{$source_ext}
6148 && $source_ext ne $obj
6149 && exists $suffix_rules->{$source_ext}
6150 && exists $suffix_rules->{$source_ext}{$obj})
6152 $source_ext = $suffix_rules->{$source_ext}{$obj}[0];
6159 ################################################################
6161 # Pretty-print something and append to output_rules.
6162 sub pretty_print_rule
6164 $output_rules .= &makefile_wrap (@_);
6168 ################################################################
6171 ## -------------------------------- ##
6172 ## Handling the conditional stack. ##
6173 ## -------------------------------- ##
6177 # make_conditional_string ($NEGATE, $COND)
6178 # ----------------------------------------
6179 sub make_conditional_string ($$)
6181 my ($negate, $cond) = @_;
6182 $cond = "${cond}_TRUE"
6183 unless $cond =~ /^TRUE|FALSE$/;
6184 $cond = Automake::Condition::conditional_negate ($cond)
6190 my %_am_macro_for_cond =
6192 AMDEP => "one of the compiler tests\n"
6193 . " AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC, AC_PROG_OBJCXX,\n"
6194 . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC",
6195 am__fastdepCC => 'AC_PROG_CC',
6196 am__fastdepCCAS => 'AM_PROG_AS',
6197 am__fastdepCXX => 'AC_PROG_CXX',
6198 am__fastdepGCJ => 'AM_PROG_GCJ',
6199 am__fastdepOBJC => 'AC_PROG_OBJC',
6200 am__fastdepOBJCXX => 'AC_PROG_OBJCXX',
6201 am__fastdepUPC => 'AM_PROG_UPC'
6205 # cond_stack_if ($NEGATE, $COND, $WHERE)
6206 # --------------------------------------
6207 sub cond_stack_if ($$$)
6209 my ($negate, $cond, $where) = @_;
6211 if (! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/)
6213 my $text = "$cond does not appear in AM_CONDITIONAL";
6214 my $scope = US_LOCAL;
6215 if (exists $_am_macro_for_cond{$cond})
6217 my $mac = $_am_macro_for_cond{$cond};
6218 $text .= "\n The usual way to define '$cond' is to add ";
6219 $text .= ($mac =~ / /) ? $mac : "'$mac'";
6220 $text .= "\n to '$configure_ac' and run 'aclocal' and 'autoconf' again";
6221 # These warnings appear in Automake files (depend2.am),
6222 # so there is no need to display them more than once:
6225 error $where, $text, uniq_scope => $scope;
6228 push (@cond_stack, make_conditional_string ($negate, $cond));
6230 return new Automake::Condition (@cond_stack);
6235 # cond_stack_else ($NEGATE, $COND, $WHERE)
6236 # ----------------------------------------
6237 sub cond_stack_else ($$$)
6239 my ($negate, $cond, $where) = @_;
6243 error $where, "else without if";
6247 $cond_stack[$#cond_stack] =
6248 Automake::Condition::conditional_negate ($cond_stack[$#cond_stack]);
6250 # If $COND is given, check against it.
6253 $cond = make_conditional_string ($negate, $cond);
6255 error ($where, "else reminder ($negate$cond) incompatible with "
6256 . "current conditional: $cond_stack[$#cond_stack]")
6257 if $cond_stack[$#cond_stack] ne $cond;
6260 return new Automake::Condition (@cond_stack);
6265 # cond_stack_endif ($NEGATE, $COND, $WHERE)
6266 # -----------------------------------------
6267 sub cond_stack_endif ($$$)
6269 my ($negate, $cond, $where) = @_;
6274 error $where, "endif without if";
6278 # If $COND is given, check against it.
6281 $cond = make_conditional_string ($negate, $cond);
6283 error ($where, "endif reminder ($negate$cond) incompatible with "
6284 . "current conditional: $cond_stack[$#cond_stack]")
6285 if $cond_stack[$#cond_stack] ne $cond;
6290 return new Automake::Condition (@cond_stack);
6297 ## ------------------------ ##
6298 ## Handling the variables. ##
6299 ## ------------------------ ##
6302 # &define_pretty_variable ($VAR, $COND, $WHERE, @VALUE)
6303 # -----------------------------------------------------
6304 # Like define_variable, but the value is a list, and the variable may
6305 # be defined conditionally. The second argument is the condition
6306 # under which the value should be defined; this should be the empty
6307 # string to define the variable unconditionally. The third argument
6308 # is a list holding the values to use for the variable. The value is
6309 # pretty printed in the output file.
6310 sub define_pretty_variable ($$$@)
6312 my ($var, $cond, $where, @value) = @_;
6314 if (! vardef ($var, $cond))
6316 Automake::Variable::define ($var, VAR_AUTOMAKE, '', $cond, "@value",
6317 '', $where, VAR_PRETTY);
6318 rvar ($var)->rdef ($cond)->set_seen;
6323 # define_variable ($VAR, $VALUE, $WHERE)
6324 # --------------------------------------
6325 # Define a new Automake Makefile variable VAR to VALUE, but only if
6326 # not already defined.
6327 sub define_variable ($$$)
6329 my ($var, $value, $where) = @_;
6330 define_pretty_variable ($var, TRUE, $where, $value);
6334 # define_files_variable ($VAR, \@BASENAME, $EXTENSION, $WHERE)
6335 # ------------------------------------------------------------
6336 # Define the $VAR which content is the list of file names composed of
6337 # a @BASENAME and the $EXTENSION.
6338 sub define_files_variable ($\@$$)
6340 my ($var, $basename, $extension, $where) = @_;
6341 define_variable ($var,
6342 join (' ', map { "$_.$extension" } @$basename),
6347 # Like define_variable, but define a variable to be the configure
6348 # substitution by the same name.
6349 sub define_configure_variable ($)
6352 # Some variables we do not want to output. For instance it
6353 # would be a bad idea to output `U = @U@` when `@U@` can be
6354 # substituted as `\`.
6355 my $pretty = exists $ignored_configure_vars{$var} ? VAR_SILENT : VAR_ASIS;
6356 Automake::Variable::define ($var, VAR_CONFIGURE, '', TRUE, subst $var,
6357 '', $configure_vars{$var}, $pretty);
6361 # define_compiler_variable ($LANG)
6362 # --------------------------------
6363 # Define a compiler variable. We also handle defining the 'LT'
6364 # version of the command when using libtool.
6365 sub define_compiler_variable ($)
6369 my ($var, $value) = ($lang->compiler, $lang->compile);
6370 my $libtool_tag = '';
6371 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6372 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6373 &define_variable ($var, $value, INTERNAL);
6374 if (var ('LIBTOOL'))
6376 my $verbose = define_verbose_libtool ();
6377 &define_variable ("LT$var",
6378 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6379 . "\$(LIBTOOLFLAGS) --mode=compile $value",
6382 define_verbose_tagvar ($lang->ccer || 'GEN');
6386 # define_linker_variable ($LANG)
6387 # ------------------------------
6388 # Define linker variables.
6389 sub define_linker_variable ($)
6393 my $libtool_tag = '';
6394 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6395 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6397 &define_variable ($lang->lder, $lang->ld, INTERNAL);
6398 # CCLINK = $(CCLD) blah blah...
6400 if (var ('LIBTOOL'))
6402 my $verbose = define_verbose_libtool ();
6403 $link = "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6404 . "\$(LIBTOOLFLAGS) --mode=link ";
6406 &define_variable ($lang->linker, $link . $lang->link, INTERNAL);
6407 &define_variable ($lang->compiler, $lang);
6408 &define_verbose_tagvar ($lang->lder || 'GEN');
6411 sub define_per_target_linker_variable ($$)
6413 my ($linker, $target) = @_;
6415 # If the user wrote a custom link command, we don't define ours.
6416 return "${target}_LINK"
6417 if set_seen "${target}_LINK";
6419 my $xlink = $linker ? $linker : 'LINK';
6421 my $lang = $link_languages{$xlink};
6422 prog_error "Unknown language for linker variable '$xlink'"
6425 my $link_command = $lang->link;
6428 my $libtool_tag = '';
6429 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6430 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6432 my $verbose = define_verbose_libtool ();
6434 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) \$(LIBTOOLFLAGS) "
6435 . "--mode=link " . $link_command;
6438 # Rewrite each occurrence of 'AM_$flag' in the link
6439 # command into '${derived}_$flag' if it exists.
6440 my $orig_command = $link_command;
6441 my @flags = (@{$lang->flags}, 'LDFLAGS');
6442 push @flags, 'LIBTOOLFLAGS' if var 'LIBTOOL';
6443 for my $flag (@flags)
6445 my $val = "${target}_$flag";
6446 $link_command =~ s/\(AM_$flag\)/\($val\)/
6450 # If the computed command is the same as the generic command, use
6451 # the command linker variable.
6452 return ($lang->linker, $lang->lder)
6453 if $link_command eq $orig_command;
6455 &define_variable ("${target}_LINK", $link_command, INTERNAL);
6456 return ("${target}_LINK", $lang->lder);
6459 ################################################################
6461 # &check_trailing_slash ($WHERE, $LINE)
6462 # -------------------------------------
6463 # Return 1 iff $LINE ends with a slash.
6464 # Might modify $LINE.
6465 sub check_trailing_slash ($\$)
6467 my ($where, $line) = @_;
6469 # Ignore '##' lines.
6470 return 0 if $$line =~ /$IGNORE_PATTERN/o;
6472 # Catch and fix a common error.
6473 msg "syntax", $where, "whitespace following trailing backslash"
6474 if $$line =~ s/\\\s+\n$/\\\n/;
6476 return $$line =~ /\\$/;
6480 # &read_am_file ($AMFILE, $WHERE)
6481 # -------------------------------
6482 # Read Makefile.am and set up %contents. Simultaneously copy lines
6483 # from Makefile.am into $output_trailer, or define variables as
6484 # appropriate. NOTE we put rules in the trailer section. We want
6485 # user rules to come after our generated stuff.
6486 sub read_am_file ($$)
6488 my ($amfile, $where) = @_;
6490 my $am_file = new Automake::XFile ("< $amfile");
6491 verb "reading $amfile";
6493 # Keep track of the youngest output dependency.
6494 my $mtime = mtime $amfile;
6495 $output_deps_greatest_timestamp = $mtime
6496 if $mtime > $output_deps_greatest_timestamp;
6502 my $var_look = VAR_ASIS;
6504 use constant IN_VAR_DEF => 0;
6505 use constant IN_RULE_DEF => 1;
6506 use constant IN_COMMENT => 2;
6507 my $prev_state = IN_RULE_DEF;
6509 while ($_ = $am_file->getline)
6511 $where->set ("$amfile:$.");
6512 if (/$IGNORE_PATTERN/o)
6514 # Merely delete comments beginning with two hashes.
6516 elsif (/$WHITE_PATTERN/o)
6518 error $where, "blank line following trailing backslash"
6520 # Stick a single white line before the incoming macro or rule.
6523 # Flush all comments seen so far.
6526 $output_vars .= $comment;
6530 elsif (/$COMMENT_PATTERN/o)
6532 # Stick comments before the incoming macro or rule. Make
6533 # sure a blank line precedes the first block of comments.
6534 $spacing = "\n" unless $blank;
6536 $comment .= $spacing . $_;
6538 $prev_state = IN_COMMENT;
6544 $saw_bk = check_trailing_slash ($where, $_);
6547 # We save the conditional stack on entry, and then check to make
6548 # sure it is the same on exit. This lets us conditionally include
6550 my @saved_cond_stack = @cond_stack;
6551 my $cond = new Automake::Condition (@cond_stack);
6553 my $last_var_name = '';
6554 my $last_var_type = '';
6555 my $last_var_value = '';
6557 # FIXME: shouldn't use $_ in this loop; it is too big.
6560 $where->set ("$amfile:$.");
6562 # Make sure the line is \n-terminated.
6566 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6567 # used by users. @MAINT@ is an anachronism now.
6568 $_ =~ s/\@MAINT\@//g
6569 unless $seen_maint_mode;
6571 my $new_saw_bk = check_trailing_slash ($where, $_);
6573 if (/$IGNORE_PATTERN/o)
6575 # Merely delete comments beginning with two hashes.
6577 # Keep any backslash from the previous line.
6578 $new_saw_bk = $saw_bk;
6580 elsif (/$WHITE_PATTERN/o)
6582 # Stick a single white line before the incoming macro or rule.
6584 error $where, "blank line following trailing backslash"
6587 elsif (/$COMMENT_PATTERN/o)
6589 error $where, "comment following trailing backslash"
6590 if $saw_bk && $prev_state != IN_COMMENT;
6592 # Stick comments before the incoming macro or rule.
6593 $comment .= $spacing . $_;
6595 $prev_state = IN_COMMENT;
6599 if ($prev_state == IN_RULE_DEF)
6601 my $cond = new Automake::Condition @cond_stack;
6602 $output_trailer .= $cond->subst_string;
6603 $output_trailer .= $_;
6605 elsif ($prev_state == IN_COMMENT)
6607 # If the line doesn't start with a '#', add it.
6608 # We do this because a continued comment like
6612 # is not portable. BSD make doesn't honor
6613 # escaped newlines in comments.
6615 $comment .= $spacing . $_;
6617 else # $prev_state == IN_VAR_DEF
6619 $last_var_value .= ' '
6620 unless $last_var_value =~ /\s$/;
6621 $last_var_value .= $_;
6625 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6626 $last_var_type, $cond,
6627 $last_var_value, $comment,
6628 $last_where, VAR_ASIS)
6630 $comment = $spacing = '';
6635 elsif (/$IF_PATTERN/o)
6637 $cond = cond_stack_if ($1, $2, $where);
6639 elsif (/$ELSE_PATTERN/o)
6641 $cond = cond_stack_else ($1, $2, $where);
6643 elsif (/$ENDIF_PATTERN/o)
6645 $cond = cond_stack_endif ($1, $2, $where);
6648 elsif (/$RULE_PATTERN/o)
6651 $prev_state = IN_RULE_DEF;
6653 # For now we have to output all definitions of user rules
6654 # and can't diagnose duplicates (see the comment in
6655 # Automake::Rule::define). So we go on and ignore the return value.
6656 Automake::Rule::define ($1, $amfile, RULE_USER, $cond, $where);
6658 check_variable_expansions ($_, $where);
6660 $output_trailer .= $comment . $spacing;
6661 my $cond = new Automake::Condition @cond_stack;
6662 $output_trailer .= $cond->subst_string;
6663 $output_trailer .= $_;
6664 $comment = $spacing = '';
6666 elsif (/$ASSIGNMENT_PATTERN/o)
6668 # Found a macro definition.
6669 $prev_state = IN_VAR_DEF;
6670 $last_var_name = $1;
6671 $last_var_type = $2;
6672 $last_var_value = $3;
6673 $last_where = $where->clone;
6674 if ($3 ne '' && substr ($3, -1) eq "\\")
6676 # We preserve the '\' because otherwise the long lines
6677 # that are generated will be truncated by broken
6679 $last_var_value = $3 . "\n";
6681 # Normally we try to output variable definitions in the
6682 # same format they were input. However, POSIX compliant
6683 # systems are not required to support lines longer than
6684 # 2048 bytes (most notably, some sed implementation are
6685 # limited to 4000 bytes, and sed is used by config.status
6686 # to rewrite Makefile.in into Makefile). Moreover nobody
6687 # would really write such long lines by hand since it is
6688 # hardly maintainable. So if a line is longer that 1000
6689 # bytes (an arbitrary limit), assume it has been
6690 # automatically generated by some tools, and flatten the
6691 # variable definition. Otherwise, keep the variable as it
6693 $var_look = VAR_PRETTY if length ($last_var_value) >= 1000;
6697 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6698 $last_var_type, $cond,
6699 $last_var_value, $comment,
6700 $last_where, $var_look)
6702 $comment = $spacing = '';
6703 $var_look = VAR_ASIS;
6706 elsif (/$INCLUDE_PATTERN/o)
6710 if ($path =~ s/^\$\(top_srcdir\)\///)
6712 push (@include_stack, "\$\(top_srcdir\)/$path");
6713 # Distribute any included file.
6715 # Always use the $(top_srcdir) prefix in DIST_COMMON,
6716 # otherwise OSF make will implicitly copy the included
6717 # file in the build tree during "make distdir" to satisfy
6719 # (subdircond2.test and subdircond3.test will fail.)
6720 push_dist_common ("\$\(top_srcdir\)/$path");
6724 $path =~ s/\$\(srcdir\)\///;
6725 push (@include_stack, "\$\(srcdir\)/$path");
6726 # Always use the $(srcdir) prefix in DIST_COMMON,
6727 # otherwise OSF make will implicitly copy the included
6728 # file in the build tree during "make distdir" to satisfy
6730 # (subdircond2.test and subdircond3.test will fail.)
6731 push_dist_common ("\$\(srcdir\)/$path");
6732 $path = $relative_dir . "/" . $path if $relative_dir ne '.';
6734 $where->push_context ("'$path' included from here");
6735 &read_am_file ($path, $where);
6736 $where->pop_context;
6740 # This isn't an error; it is probably a continued rule.
6741 # In fact, this is what we assume.
6742 $prev_state = IN_RULE_DEF;
6743 check_variable_expansions ($_, $where);
6744 $output_trailer .= $comment . $spacing;
6745 my $cond = new Automake::Condition @cond_stack;
6746 $output_trailer .= $cond->subst_string;
6747 $output_trailer .= $_;
6748 $comment = $spacing = '';
6749 error $where, "'#' comment at start of rule is unportable"
6750 if $_ =~ /^\t\s*\#/;
6753 $saw_bk = $new_saw_bk;
6754 $_ = $am_file->getline;
6757 $output_trailer .= $comment;
6759 error ($where, "trailing backslash on last line")
6762 error ($where, (@cond_stack ? "unterminated conditionals: @cond_stack"
6763 : "too many conditionals closed in include file"))
6764 if "@saved_cond_stack" ne "@cond_stack";
6768 # define_standard_variables ()
6769 # ----------------------------
6770 # A helper for read_main_am_file which initializes configure variables
6771 # and variables from header-vars.am.
6772 sub define_standard_variables
6774 my $saved_output_vars = $output_vars;
6775 my ($comments, undef, $rules) =
6776 file_contents_internal (1, "$libdir/am/header-vars.am",
6777 new Automake::Location);
6779 foreach my $var (sort keys %configure_vars)
6781 &define_configure_variable ($var);
6784 $output_vars .= $comments . $rules;
6787 # Read main am file.
6788 sub read_main_am_file
6792 # This supports the strange variable tricks we are about to play.
6793 prog_error ("variable defined before read_main_am_file\n" . variables_dump ())
6794 if (scalar (variables) > 0);
6796 # Generate copyright header for generated Makefile.in.
6797 # We do discard the output of predefined variables, handled below.
6798 $output_vars = ("# $in_file_name generated by automake "
6799 . $VERSION . " from $am_file_name.\n");
6800 $output_vars .= '# ' . subst ('configure_input') . "\n";
6801 $output_vars .= $gen_copyright;
6803 # We want to predefine as many variables as possible. This lets
6804 # the user set them with '+=' in Makefile.am.
6805 &define_standard_variables;
6807 # Read user file, which might override some of our values.
6808 &read_am_file ($amfile, new Automake::Location);
6813 ################################################################
6816 # &flatten ($STRING)
6817 # ------------------
6818 # Flatten the $STRING and return the result.
6832 # transform_token ($TOKEN, \%PAIRS, $KEY)
6833 # =======================================
6834 # Return the value associated to $KEY in %PAIRS, as used on $TOKEN
6835 # (which should be ?KEY? or any of the special %% requests)..
6836 sub transform_token ($$$)
6838 my ($token, $transform, $key) = @_;
6839 my $res = $transform->{$key};
6840 prog_error "Unknown key '$key' in '$token'" unless defined $res;
6845 # transform ($TOKEN, \%PAIRS)
6846 # ===========================
6847 # If ($TOKEN, $VAL) is in %PAIRS:
6848 # - replaces %KEY% with $VAL,
6849 # - enables/disables ?KEY? and ?!KEY?,
6850 # - replaces %?KEY% with TRUE or FALSE.
6851 # - replaces %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE% with
6852 # IFTRUE / IFFALSE, as appropriate.
6855 my ($token, $transform) = @_;
6858 # Must be before the following pattern to exclude the case
6859 # when there is neither IFTRUE nor IFFALSE.
6860 if ($token =~ /^%([\w\-]+)%$/)
6862 return transform_token ($token, $transform, $1);
6864 # %KEY?IFTRUE%, %KEY:IFFALSE%, and %KEY?IFTRUE:IFFALSE%.
6865 elsif ($token =~ /^%([\w\-]+)(?:\?([^?:%]+))?(?::([^?:%]+))?%$/)
6867 return transform_token ($token, $transform, $1) ? ($2 || '') : ($3 || '');
6870 elsif ($token =~ /^%\?([\w\-]+)%$/)
6872 return transform_token ($token, $transform, $1) ? 'TRUE' : 'FALSE';
6875 elsif ($token =~ /^ \? (!?) ([\w\-]+) \? $/x)
6877 my $neg = ($1 eq '!') ? 1 : 0;
6878 my $val = transform_token ($token, $transform, $2);
6879 return (!!$val == $neg) ? '##%' : '';
6883 prog_error "Unknown request format: $token";
6888 # preprocess_file ($MAKEFILE, [%TRANSFORM])
6889 # -----------------------------------------
6890 # Load a $MAKEFILE, apply the %TRANSFORM, and return the result.
6891 # No extra parsing of post-processing is done (i.e., recognition of
6892 # rules declaration or of make variables definitions).
6893 sub preprocess_file ($%)
6895 my ($file, %transform) = @_;
6897 # Complete %transform with global options.
6898 # Note that %transform goes last, so it overrides global options.
6899 %transform = ( 'MAINTAINER-MODE'
6900 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
6902 'XZ' => !! option 'dist-xz',
6903 'LZMA' => !! option 'dist-lzma',
6904 'LZIP' => !! option 'dist-lzip',
6905 'BZIP2' => !! option 'dist-bzip2',
6906 'COMPRESS' => !! option 'dist-tarZ',
6907 'GZIP' => ! option 'no-dist-gzip',
6908 'SHAR' => !! option 'dist-shar',
6909 'ZIP' => !! option 'dist-zip',
6911 'INSTALL-INFO' => ! option 'no-installinfo',
6912 'INSTALL-MAN' => ! option 'no-installman',
6913 'HAVE-MANS' => !! var ('MANS'),
6914 'CK-NEWS' => !! option 'check-news',
6916 'SUBDIRS' => !! var ('SUBDIRS'),
6917 'TOPDIR_P' => $relative_dir eq '.',
6919 'BUILD' => ($seen_canonical >= AC_CANONICAL_BUILD),
6920 'HOST' => ($seen_canonical >= AC_CANONICAL_HOST),
6921 'TARGET' => ($seen_canonical >= AC_CANONICAL_TARGET),
6923 'LIBTOOL' => !! var ('LIBTOOL'),
6927 if (! defined ($_ = $am_file_cache{$file}))
6929 verb "reading $file";
6930 # Swallow the whole file.
6931 my $fc_file = new Automake::XFile "< $file";
6932 my $saved_dollar_slash = $/;
6934 $_ = $fc_file->getline;
6935 $/ = $saved_dollar_slash;
6937 # Remove ##-comments.
6938 # Besides we don't need more than two consecutive new-lines.
6939 s/(?:$IGNORE_PATTERN|(?<=\n\n)\n+)//gom;
6940 # Remember the contents of the just-read file.
6941 $am_file_cache{$file} = $_;
6944 # Substitute Automake template tokens.
6945 s/(?: % \?? [\w\-]+ %
6946 | % [\w\-]+ (?:\?[^?:%]+)? (?::[^?:%]+)? %
6948 )/transform($&, \%transform)/gex;
6949 # transform() may have added some ##%-comments to strip.
6950 # (we use '##%' instead of '##' so we can distinguish ##%##%##% from
6951 # ####### and do not remove the latter.)
6952 s/^[ \t]*(?:##%)+.*\n//gm;
6959 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
6960 # ------------------------------------------
6961 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
6963 sub make_paragraphs ($%)
6965 my ($file, %transform) = @_;
6966 $transform{FIRST} = !$transformed_files{$file};
6967 $transformed_files{$file} = 1;
6969 my @lines = split /(?<!\\)\n/, preprocess_file ($file, %transform);
6972 while (defined ($_ = shift @lines))
6975 # If we are a rule, eat as long as we start with a tab.
6976 if (/$RULE_PATTERN/smo)
6978 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
6980 $paragraph .= "\n$_";
6982 unshift (@lines, $_);
6985 # If we are a comments, eat as much comments as you can.
6986 elsif (/$COMMENT_PATTERN/smo)
6988 while (defined ($_ = shift @lines)
6989 && $_ =~ /$COMMENT_PATTERN/smo)
6991 $paragraph .= "\n$_";
6993 unshift (@lines, $_);
6996 push @res, $paragraph;
7004 # ($COMMENT, $VARIABLES, $RULES)
7005 # &file_contents_internal ($IS_AM, $FILE, $WHERE, [%TRANSFORM])
7006 # -------------------------------------------------------------
7007 # Return contents of a file from $libdir/am, automatically skipping
7008 # macros or rules which are already known. $IS_AM iff the caller is
7009 # reading an Automake file (as opposed to the user's Makefile.am).
7010 sub file_contents_internal ($$$%)
7012 my ($is_am, $file, $where, %transform) = @_;
7014 $where->set ($file);
7016 my $result_vars = '';
7017 my $result_rules = '';
7021 # The following flags are used to track rules spanning across
7022 # multiple paragraphs.
7023 my $is_rule = 0; # 1 if we are processing a rule.
7024 my $discard_rule = 0; # 1 if the current rule should not be output.
7026 # We save the conditional stack on entry, and then check to make
7027 # sure it is the same on exit. This lets us conditionally include
7029 my @saved_cond_stack = @cond_stack;
7030 my $cond = new Automake::Condition (@cond_stack);
7032 foreach (make_paragraphs ($file, %transform))
7034 # FIXME: no line number available.
7035 $where->set ($file);
7038 error $where, "blank line following trailing backslash:\n$_"
7040 error $where, "comment following trailing backslash:\n$_"
7046 # Stick empty line before the incoming macro or rule.
7049 elsif (/$COMMENT_PATTERN/mso)
7052 # Stick comments before the incoming macro or rule.
7056 # Handle inclusion of other files.
7057 elsif (/$INCLUDE_PATTERN/o)
7061 my $file = ($is_am ? "$libdir/am/" : '') . $1;
7062 $where->push_context ("'$file' included from here");
7064 my ($com, $vars, $rules)
7065 = file_contents_internal ($is_am, $file, $where, %transform);
7066 $where->pop_context;
7068 $result_vars .= $vars;
7069 $result_rules .= $rules;
7073 # Handling the conditionals.
7074 elsif (/$IF_PATTERN/o)
7076 $cond = cond_stack_if ($1, $2, $file);
7078 elsif (/$ELSE_PATTERN/o)
7080 $cond = cond_stack_else ($1, $2, $file);
7082 elsif (/$ENDIF_PATTERN/o)
7084 $cond = cond_stack_endif ($1, $2, $file);
7088 elsif (/$RULE_PATTERN/mso)
7092 # Separate relationship from optional actions: the first
7093 # `new-line tab" not preceded by backslash (continuation
7096 /^(.*?)(?:(?<!\\)\n(\t.*))?$/s;
7097 my ($relationship, $actions) = ($1, $2 || '');
7099 # Separate targets from dependencies: the first colon.
7100 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
7101 my ($targets, $dependencies) = ($1, $2);
7102 # Remove the escaped new lines.
7103 # I don't know why, but I have to use a tmp $flat_deps.
7104 my $flat_deps = &flatten ($dependencies);
7105 my @deps = split (' ', $flat_deps);
7107 foreach (split (' ', $targets))
7109 # FIXME: 1. We are not robust to people defining several targets
7110 # at once, only some of them being in %dependencies. The
7111 # actions from the targets in %dependencies are usually generated
7112 # from the content of %actions, but if some targets in $targets
7113 # are not in %dependencies the ELSE branch will output
7114 # a rule for all $targets (i.e. the targets which are both
7115 # in %dependencies and $targets will have two rules).
7117 # FIXME: 2. The logic here is not able to output a
7118 # multi-paragraph rule several time (e.g. for each condition
7119 # it is defined for) because it only knows the first paragraph.
7121 # FIXME: 3. We are not robust to people defining a subset
7122 # of a previously defined "multiple-target" rule. E.g.
7123 # 'foo:' after 'foo bar:'.
7125 # Output only if not in FALSE.
7126 if (defined $dependencies{$_} && $cond != FALSE)
7128 &depend ($_, @deps);
7129 register_action ($_, $actions);
7133 # Free-lance dependency. Output the rule for all the
7134 # targets instead of one by one.
7135 my @undefined_conds =
7136 Automake::Rule::define ($targets, $file,
7137 $is_am ? RULE_AUTOMAKE : RULE_USER,
7139 for my $undefined_cond (@undefined_conds)
7141 my $condparagraph = $paragraph;
7142 $condparagraph =~ s/^/$undefined_cond->subst_string/gme;
7143 $result_rules .= "$spacing$comment$condparagraph\n";
7145 if (scalar @undefined_conds == 0)
7147 # Remember to discard next paragraphs
7148 # if they belong to this rule.
7149 # (but see also FIXME: #2 above.)
7152 $comment = $spacing = '';
7158 elsif (/$ASSIGNMENT_PATTERN/mso)
7160 my ($var, $type, $val) = ($1, $2, $3);
7161 error $where, "variable '$var' with trailing backslash"
7166 Automake::Variable::define ($var,
7167 $is_am ? VAR_AUTOMAKE : VAR_MAKEFILE,
7168 $type, $cond, $val, $comment, $where,
7172 $comment = $spacing = '';
7176 # This isn't an error; it is probably some tokens which
7177 # configure is supposed to replace, such as '@SET-MAKE@',
7178 # or some part of a rule cut by an if/endif.
7179 if (! $cond->false && ! ($is_rule && $discard_rule))
7181 s/^/$cond->subst_string/gme;
7182 $result_rules .= "$spacing$comment$_\n";
7184 $comment = $spacing = '';
7188 error ($where, @cond_stack ?
7189 "unterminated conditionals: @cond_stack" :
7190 "too many conditionals closed in include file")
7191 if "@saved_cond_stack" ne "@cond_stack";
7193 return ($comment, $result_vars, $result_rules);
7198 # &file_contents ($BASENAME, $WHERE, [%TRANSFORM])
7199 # ------------------------------------------------
7200 # Return contents of a file from $libdir/am, automatically skipping
7201 # macros or rules which are already known.
7202 sub file_contents ($$%)
7204 my ($basename, $where, %transform) = @_;
7205 my ($comments, $variables, $rules) =
7206 file_contents_internal (1, "$libdir/am/$basename.am", $where,
7208 return "$comments$variables$rules";
7213 # &am_primary_prefixes ($PRIMARY, $CAN_DIST, @PREFIXES)
7214 # -----------------------------------------------------
7215 # Find all variable prefixes that are used for install directories. A
7216 # prefix 'zar' qualifies iff:
7218 # * 'zardir' is a variable.
7219 # * 'zar_PRIMARY' is a variable.
7221 # As a side effect, it looks for misspellings. It is an error to have
7222 # a variable ending in a "reserved" suffix whose prefix is unknown, e.g.
7223 # "bni_PROGRAMS". However, unusual prefixes are allowed if a variable
7224 # of the same name (with "dir" appended) exists. For instance, if the
7225 # variable "zardir" is defined, then "zar_PROGRAMS" becomes valid.
7226 # This is to provide a little extra flexibility in those cases which
7228 sub am_primary_prefixes ($$@)
7230 my ($primary, $can_dist, @prefixes) = @_;
7233 my %valid = map { $_ => 0 } @prefixes;
7234 $valid{'EXTRA'} = 0;
7235 foreach my $var (variables $primary)
7237 # Automake is allowed to define variables that look like primaries
7238 # but which aren't. E.g. INSTALL_sh_DATA.
7239 # Autoconf can also define variables like INSTALL_DATA, so
7240 # ignore all configure variables (at least those which are not
7241 # redefined in Makefile.am).
7242 # FIXME: We should make sure that these variables are not
7243 # conditionally defined (or else adjust the condition below).
7244 my $def = $var->def (TRUE);
7245 next if $def && $def->owner != VAR_MAKEFILE;
7247 my $varname = $var->name;
7249 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_[[:alnum:]]+$/)
7251 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
7252 if ($dist ne '' && ! $can_dist)
7255 "invalid variable '$varname': 'dist' is forbidden");
7257 # Standard directories must be explicitly allowed.
7258 elsif (! defined $valid{$X} && exists $standard_prefix{$X})
7261 "'${X}dir' is not a legitimate directory " .
7264 # A not explicitly valid directory is allowed if Xdir is defined.
7265 elsif (! defined $valid{$X} &&
7266 $var->requires_variables ("'$varname' is used", "${X}dir"))
7268 # Nothing to do. Any error message has been output
7269 # by $var->requires_variables.
7273 # Ensure all extended prefixes are actually used.
7274 $valid{"$base$dist$X"} = 1;
7279 prog_error "unexpected variable name: $varname";
7283 # Return only those which are actually defined.
7284 return sort grep { var ($_ . '_' . $primary) } keys %valid;
7288 # Handle 'where_HOW' variable magic. Does all lookups, generates
7289 # install code, and possibly generates code to define the primary
7290 # variable. The first argument is the name of the .am file to munge,
7291 # the second argument is the primary variable (e.g. HEADERS), and all
7292 # subsequent arguments are possible installation locations.
7294 # Returns list of [$location, $value] pairs, where
7295 # $value's are the values in all where_HOW variable, and $location
7296 # there associated location (the place here their parent variables were
7299 # FIXME: this should be rewritten to be cleaner. It should be broken
7300 # up into multiple functions.
7302 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7309 my $default_dist = 0;
7312 if ($args[0] eq '-noextra')
7316 elsif ($args[0] eq '-candist')
7320 elsif ($args[0] eq '-defaultdist')
7325 elsif ($args[0] !~ /^-/)
7332 my ($file, $primary, @prefix) = @args;
7334 # Now that configure substitutions are allowed in where_HOW
7335 # variables, it is an error to actually define the primary. We
7336 # allow 'JAVA', as it is customarily used to mean the Java
7337 # interpreter. This is but one of several Java hacks. Similarly,
7338 # 'PYTHON' is customarily used to mean the Python interpreter.
7339 reject_var $primary, "'$primary' is an anachronism"
7340 unless $primary eq 'JAVA' || $primary eq 'PYTHON';
7342 # Get the prefixes which are valid and actually used.
7343 @prefix = am_primary_prefixes ($primary, $can_dist, @prefix);
7345 # If a primary includes a configure substitution, then the EXTRA_
7346 # form is required. Otherwise we can't properly do our job.
7352 foreach my $X (@prefix)
7354 my $nodir_name = $X;
7355 my $one_name = $X . '_' . $primary;
7356 my $one_var = var $one_name;
7358 my $strip_subdir = 1;
7359 # If subdir prefix should be preserved, do so.
7360 if ($nodir_name =~ /^nobase_/)
7363 $nodir_name =~ s/^nobase_//;
7366 # If files should be distributed, do so.
7370 $dist_p = (($default_dist && $nodir_name !~ /^nodist_/)
7371 || (! $default_dist && $nodir_name =~ /^dist_/));
7372 $nodir_name =~ s/^(dist|nodist)_//;
7376 # Use the location of the currently processed variable.
7377 # We are not processing a particular condition, so pick the first
7379 my $tmpcond = $one_var->conditions->one_cond;
7380 my $where = $one_var->rdef ($tmpcond)->location->clone;
7382 # Append actual contents of where_PRIMARY variable to
7383 # @result, skipping @substitutions@.
7384 foreach my $locvals ($one_var->value_as_list_recursive (location => 1))
7386 my ($loc, $value) = @$locvals;
7387 # Skip configure substitutions.
7388 if ($value =~ /^\@.*\@$/)
7390 if ($nodir_name eq 'EXTRA')
7393 "'$one_name' contains configure substitution, "
7396 # Check here to make sure variables defined in
7397 # configure.ac do not imply that EXTRA_PRIMARY
7399 elsif (! defined $configure_vars{$one_name})
7401 $require_extra = $one_name
7407 # Strip any $(EXEEXT) suffix the user might have added, or this
7408 # will confuse &handle_source_transform and &check_canonical_spelling.
7409 # We'll add $(EXEEXT) back later anyway.
7410 # Do it here rather than in handle_programs so the uniquifying at the
7411 # end of this function works.
7412 ${$locvals}[1] =~ s/\$\(EXEEXT\)$//
7413 if $primary eq 'PROGRAMS';
7415 push (@result, $locvals);
7418 # A blatant hack: we rewrite each _PROGRAMS primary to include
7420 append_exeext { 1 } $one_name
7421 if $primary eq 'PROGRAMS';
7422 # "EXTRA" shouldn't be used when generating clean targets,
7423 # all, or install targets. We used to warn if EXTRA_FOO was
7424 # defined uselessly, but this was annoying.
7426 if $nodir_name eq 'EXTRA';
7428 if ($nodir_name eq 'check')
7430 push (@check, '$(' . $one_name . ')');
7434 push (@used, '$(' . $one_name . ')');
7437 # Is this to be installed?
7438 my $install_p = $nodir_name ne 'noinst' && $nodir_name ne 'check';
7440 # If so, with install-exec? (or install-data?).
7441 my $exec_p = ($nodir_name =~ /$EXEC_DIR_PATTERN/o);
7443 my $check_options_p = $install_p && !! option 'std-options';
7445 # Use the location of the currently processed variable as context.
7446 $where->push_context ("while processing '$one_name'");
7448 # The variable containing all files to distribute.
7449 my $distvar = "\$($one_name)";
7450 $distvar = shadow_unconditionally ($one_name, $where)
7451 if ($dist_p && $one_var->has_conditional_contents);
7453 # Singular form of $PRIMARY.
7454 (my $one_primary = $primary) =~ s/S$//;
7455 $output_rules .= &file_contents ($file, $where,
7456 PRIMARY => $primary,
7457 ONE_PRIMARY => $one_primary,
7459 NDIR => $nodir_name,
7460 BASE => $strip_subdir,
7463 INSTALL => $install_p,
7465 DISTVAR => $distvar,
7466 'CK-OPTS' => $check_options_p);
7469 # The JAVA variable is used as the name of the Java interpreter.
7470 # The PYTHON variable is used as the name of the Python interpreter.
7471 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7474 define_pretty_variable ($primary, TRUE, INTERNAL, @used);
7475 $output_vars .= "\n";
7478 err_var ($require_extra,
7479 "'$require_extra' contains configure substitution,\n"
7480 . "but 'EXTRA_$primary' not defined")
7481 if ($require_extra && ! var ('EXTRA_' . $primary));
7483 # Push here because PRIMARY might be configure time determined.
7484 push (@all, '$(' . $primary . ')')
7485 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7487 # Make the result unique. This lets the user use conditionals in
7488 # a natural way, but still lets us program lazily -- we don't have
7489 # to worry about handling a particular object more than once.
7490 # We will keep only one location per object.
7492 for my $pair (@result)
7494 my ($loc, $val) = @$pair;
7495 $result{$val} = $loc;
7497 my @l = sort keys %result;
7498 return map { [$result{$_}->clone, $_] } @l;
7502 ################################################################
7504 # Each key in this hash is the name of a directory holding a
7505 # Makefile.in. These variables are local to 'is_make_dir'.
7507 my $make_dirs_set = 0;
7512 if (! $make_dirs_set)
7514 foreach my $iter (@configure_input_files)
7516 $make_dirs{dirname ($iter)} = 1;
7518 # We also want to notice Makefile.in's.
7519 foreach my $iter (@other_input_files)
7521 if ($iter =~ /Makefile\.in$/)
7523 $make_dirs{dirname ($iter)} = 1;
7528 return defined $make_dirs{$dir};
7531 ################################################################
7533 # Find the aux dir. This should match the algorithm used by
7534 # ./configure. (See the Autoconf documentation for for
7535 # AC_CONFIG_AUX_DIR.)
7536 sub locate_aux_dir ()
7538 if (! $config_aux_dir_set_in_configure_ac)
7540 # The default auxiliary directory is the first
7541 # of ., .., or ../.. that contains install-sh.
7542 # Assume . if install-sh doesn't exist yet.
7543 for my $dir (qw (. .. ../..))
7545 if (-f "$dir/install-sh")
7547 $config_aux_dir = $dir;
7551 $config_aux_dir = '.' unless $config_aux_dir;
7553 # Avoid unsightly '/.'s.
7554 $am_config_aux_dir =
7555 '$(top_srcdir)' . ($config_aux_dir eq '.' ? "" : "/$config_aux_dir");
7556 $am_config_aux_dir =~ s,/*$,,;
7560 # &push_required_file ($DIR, $FILE, $FULLFILE)
7561 # --------------------------------------------------
7562 # Push the given file onto DIST_COMMON.
7563 sub push_required_file
7565 my ($dir, $file, $fullfile) = @_;
7567 # If the file to be distributed is in the same directory of the
7568 # currently processed Makefile.am, then we want to distribute it
7569 # from this same Makefile.am.
7570 if ($dir eq $relative_dir)
7572 push_dist_common ($file);
7574 # This is needed to allow a construct in a non-top-level Makefile.am
7575 # to require a file in the build-aux directory (see at least the test
7576 # script 'test-driver-is-distributed.test'). This is related to the
7577 # automake bug#9546. Note that the use of $config_aux_dir instead
7578 # of $am_config_aux_dir here is deliberate and necessary.
7579 elsif ($dir eq $config_aux_dir)
7581 push_dist_common ("$am_config_aux_dir/$file");
7583 # FIXME: another spacial case, for AC_LIBOBJ/AC_LIBSOURCE support.
7584 # We probably need some refactoring of this function and its callers,
7585 # to have a more explicit and systematic handling of all the special
7586 # cases; but, since there are only two of them, this is low-priority
7588 elsif ($config_libobj_dir && $dir eq $config_libobj_dir)
7590 # Avoid unsightly '/.'s.
7591 my $am_config_libobj_dir =
7593 ($config_libobj_dir eq '.' ? "" : "/$config_libobj_dir");
7594 $am_config_libobj_dir =~ s|/*$||;
7595 push_dist_common ("$am_config_libobj_dir/$file");
7597 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7599 # If we are doing the topmost directory, and the file is in a
7600 # subdir which does not have a Makefile, then we distribute it
7603 # If a required file is above the source tree, it is important
7604 # to prefix it with '$(srcdir)' so that no VPATH search is
7605 # performed. Otherwise problems occur with Make implementations
7606 # that rewrite and simplify rules whose dependencies are found in a
7607 # VPATH location. Here is an example with OSF1/Tru64 Make.
7619 # Dependency '../a' was found in 'sub/../a', but this make
7620 # implementation simplified it as 'a'. (Note that the sub/
7621 # directory does not even exist.)
7623 # This kind of VPATH rewriting seems hard to cancel. The
7624 # distdir.am hack against VPATH rewriting works only when no
7625 # simplification is done, i.e., for dependencies which are in
7626 # subdirectories, not in enclosing directories. Hence, in
7627 # the latter case we use a full path to make sure no VPATH
7629 $fullfile = '$(srcdir)/' . $fullfile
7630 if $dir =~ m,^\.\.(?:$|/),;
7632 push_dist_common ($fullfile);
7636 prog_error "a Makefile in relative directory $relative_dir " .
7637 "can't add files in directory $dir to DIST_COMMON";
7642 # If a file name appears as a key in this hash, then it has already
7643 # been checked for. This allows us not to report the same error more
7645 my %required_file_not_found = ();
7647 # &required_file_check_or_copy ($WHERE, $DIRECTORY, $FILE)
7648 # --------------------------------------------------------
7649 # Verify that the file must exist in $DIRECTORY, or install it.
7650 sub required_file_check_or_copy ($$$)
7652 my ($where, $dir, $file) = @_;
7654 my $fullfile = "$dir/$file";
7656 my $dangling_sym = 0;
7658 if (-l $fullfile && ! -f $fullfile)
7662 elsif (dir_has_case_matching_file ($dir, $file))
7667 # '--force-missing' only has an effect if '--add-missing' is
7670 if $found_it && (! $add_missing || ! $force_missing);
7672 # If we've already looked for it, we're done. You might
7673 # wonder why we don't do this before searching for the
7674 # file. If we do that, then something like
7675 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
7679 return if defined $required_file_not_found{$fullfile};
7680 $required_file_not_found{$fullfile} = 1;
7682 if ($dangling_sym && $add_missing)
7691 # Only install missing files according to our desired
7693 my $message = "required file '$fullfile' not found";
7696 if (-f "$libdir/$file")
7700 # Install the missing file. Symlink if we
7701 # can, copy if we must. Note: delete the file
7702 # first, in case it is a dangling symlink.
7703 $message = "installing '$fullfile'";
7705 # The license file should not be volatile.
7706 if ($file eq "COPYING")
7708 $message .= " using GNU General Public License v3 file";
7709 $trailer2 = "\n Consider adding the COPYING file"
7710 . " to the version control system"
7711 . "\n for your code, to avoid questions"
7712 . " about which license your project uses";
7715 # Windows Perl will hang if we try to delete a
7716 # file that doesn't exist.
7717 unlink ($fullfile) if -f $fullfile;
7718 if ($symlink_exists && ! $copy_missing)
7720 if (! symlink ("$libdir/$file", $fullfile)
7724 $trailer = "; error while making link: $!";
7727 elsif (system ('cp', "$libdir/$file", $fullfile))
7730 $trailer = "\n error while copying";
7732 set_dir_cache_file ($dir, $file);
7737 $trailer = "\n 'automake --add-missing' can install '$file'"
7738 if -f "$libdir/$file";
7741 # If --force-missing was specified, and we have
7742 # actually found the file, then do nothing.
7744 if $found_it && $force_missing;
7746 # If we couldn't install the file, but it is a target in
7747 # the Makefile, don't print anything. This allows files
7748 # like README, AUTHORS, or THANKS to be generated.
7750 if !$suppress && rule $file;
7752 msg ($suppress ? 'note' : 'error', $where, "$message$trailer$trailer2");
7756 # &require_file_internal ($WHERE, $MYSTRICT, $DIRECTORY, $QUEUE, @FILES)
7757 # ----------------------------------------------------------------------
7758 # Verify that the file must exist in $DIRECTORY, or install it.
7759 # $MYSTRICT is the strictness level at which this file becomes required.
7760 # Worker threads may queue up the action to be serialized by the master,
7762 sub require_file_internal ($$$@)
7764 my ($where, $mystrict, $dir, $queue, @files) = @_;
7767 unless $strictness >= $mystrict;
7769 foreach my $file (@files)
7771 push_required_file ($dir, $file, "$dir/$file");
7774 queue_required_file_check_or_copy ($required_conf_file_queue,
7775 QUEUE_CONF_FILE, $relative_dir,
7776 $where, $mystrict, @files);
7780 required_file_check_or_copy ($where, $dir, $file);
7785 # &require_file ($WHERE, $MYSTRICT, @FILES)
7786 # -----------------------------------------
7787 sub require_file ($$@)
7789 my ($where, $mystrict, @files) = @_;
7790 require_file_internal ($where, $mystrict, $relative_dir, 0, @files);
7793 # &require_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7794 # -----------------------------------------------------------
7795 sub require_file_with_macro ($$$@)
7797 my ($cond, $macro, $mystrict, @files) = @_;
7798 $macro = rvar ($macro) unless ref $macro;
7799 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7802 # &require_libsource_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7803 # ----------------------------------------------------------------
7804 # Require an AC_LIBSOURCEd file. If AC_CONFIG_LIBOBJ_DIR was called, it
7805 # must be in that directory. Otherwise expect it in the current directory.
7806 sub require_libsource_with_macro ($$$@)
7808 my ($cond, $macro, $mystrict, @files) = @_;
7809 $macro = rvar ($macro) unless ref $macro;
7810 if ($config_libobj_dir)
7812 require_file_internal ($macro->rdef ($cond)->location, $mystrict,
7813 $config_libobj_dir, 0, @files);
7817 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7821 # &queue_required_file_check_or_copy ($QUEUE, $KEY, $DIR, $WHERE,
7822 # $MYSTRICT, @FILES)
7823 # ---------------------------------------------------------------
7824 sub queue_required_file_check_or_copy ($$$$@)
7826 my ($queue, $key, $dir, $where, $mystrict, @files) = @_;
7830 @serial_loc = (QUEUE_LOCATION, $where->serialize ());
7834 @serial_loc = (QUEUE_STRING, $where);
7836 $queue->enqueue ($key, $dir, @serial_loc, $mystrict, 0 + @files, @files);
7839 # &require_queued_file_check_or_copy ($QUEUE)
7840 # -------------------------------------------
7841 sub require_queued_file_check_or_copy ($)
7845 my $dir = $queue->dequeue ();
7846 my $loc_key = $queue->dequeue ();
7847 if ($loc_key eq QUEUE_LOCATION)
7849 $where = Automake::Location::deserialize ($queue);
7851 elsif ($loc_key eq QUEUE_STRING)
7853 $where = $queue->dequeue ();
7857 prog_error "unexpected key $loc_key";
7859 my $mystrict = $queue->dequeue ();
7860 my $nfiles = $queue->dequeue ();
7862 push @files, $queue->dequeue ()
7863 foreach (1 .. $nfiles);
7865 unless $strictness >= $mystrict;
7866 foreach my $file (@files)
7868 required_file_check_or_copy ($where, $config_aux_dir, $file);
7872 # &require_conf_file ($WHERE, $MYSTRICT, @FILES)
7873 # ----------------------------------------------
7874 # Looks in configuration path, as specified by AC_CONFIG_AUX_DIR.
7875 sub require_conf_file ($$@)
7877 my ($where, $mystrict, @files) = @_;
7878 my $queue = defined $required_conf_file_queue ? 1 : 0;
7879 require_file_internal ($where, $mystrict, $config_aux_dir,
7884 # &require_conf_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7885 # ----------------------------------------------------------------
7886 sub require_conf_file_with_macro ($$$@)
7888 my ($cond, $macro, $mystrict, @files) = @_;
7889 require_conf_file (rvar ($macro)->rdef ($cond)->location,
7893 ################################################################
7895 # &require_build_directory ($DIRECTORY)
7896 # -------------------------------------
7897 # Emit rules to create $DIRECTORY if needed, and return
7898 # the file that any target requiring this directory should be made
7900 # We don't want to emit the rule twice, and want to reuse it
7901 # for directories with equivalent names (e.g., 'foo/bar' and './foo//bar').
7902 sub require_build_directory ($)
7904 my $directory = shift;
7906 return $directory_map{$directory} if exists $directory_map{$directory};
7908 my $cdir = File::Spec->canonpath ($directory);
7910 if (exists $directory_map{$cdir})
7912 my $stamp = $directory_map{$cdir};
7913 $directory_map{$directory} = $stamp;
7917 my $dirstamp = "$cdir/\$(am__dirstamp)";
7919 $directory_map{$directory} = $dirstamp;
7920 $directory_map{$cdir} = $dirstamp;
7922 # Set a variable for the dirstamp basename.
7923 define_pretty_variable ('am__dirstamp', TRUE, INTERNAL,
7924 '$(am__leading_dot)dirstamp');
7926 # Directory must be removed by 'make distclean'.
7927 $clean_files{$dirstamp} = DIST_CLEAN;
7929 $output_rules .= ("$dirstamp:\n"
7930 . "\t\@\$(MKDIR_P) $directory\n"
7931 . "\t\@: > $dirstamp\n");
7936 # &require_build_directory_maybe ($FILE)
7937 # --------------------------------------
7938 # If $FILE lies in a subdirectory, emit a rule to create this
7939 # directory and return the file that $FILE should be made
7940 # dependent upon. Otherwise, just return the empty string.
7941 sub require_build_directory_maybe ($)
7944 my $directory = dirname ($file);
7946 if ($directory ne '.')
7948 return require_build_directory ($directory);
7956 ################################################################
7958 # Push a list of files onto dist_common.
7959 sub push_dist_common
7961 prog_error "push_dist_common run after handle_dist"
7962 if $handle_dist_run;
7963 Automake::Variable::define ('DIST_COMMON', VAR_AUTOMAKE, '+', TRUE, "@_",
7964 '', INTERNAL, VAR_PRETTY);
7968 ################################################################
7970 # generate_makefile ($MAKEFILE_AM, $MAKEFILE_IN)
7971 # ----------------------------------------------
7972 # Generate a Makefile.in given the name of the corresponding Makefile and
7973 # the name of the file output by config.status.
7974 sub generate_makefile ($$)
7976 my ($makefile_am, $makefile_in) = @_;
7978 # Reset all the Makefile.am related variables.
7979 initialize_per_input;
7981 # AUTOMAKE_OPTIONS can contains -W flags to disable or enable
7982 # warnings for this file. So hold any warning issued before
7983 # we have processed AUTOMAKE_OPTIONS.
7984 buffer_messages ('warning');
7986 # Name of input file ("Makefile.am") and output file
7987 # ("Makefile.in"). These have no directory components.
7988 $am_file_name = basename ($makefile_am);
7989 $in_file_name = basename ($makefile_in);
7991 # $OUTPUT is encoded. If it contains a ":" then the first element
7992 # is the real output file, and all remaining elements are input
7993 # files. We don't scan or otherwise deal with these input files,
7994 # other than to mark them as dependencies. See
7995 # &scan_autoconf_files for details.
7996 my ($makefile, @inputs) = split (/:/, $output_files{$makefile_in});
7998 $relative_dir = dirname ($makefile);
7999 $am_relative_dir = dirname ($makefile_am);
8000 $topsrcdir = backname ($relative_dir);
8002 read_main_am_file ($makefile_am);
8005 # Process buffered warnings.
8007 # Fatal error. Just return, so we can continue with next file.
8010 # Process buffered warnings.
8013 # There are a few install-related variables that you should not define.
8014 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
8019 my $def = $v->def (TRUE);
8020 prog_error "$var not defined in condition TRUE"
8022 reject_var $var, "'$var' should not be defined"
8023 if $def->owner != VAR_AUTOMAKE;
8027 # Catch some obsolete variables.
8028 msg_var ('obsolete', 'INCLUDES',
8029 "'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')")
8030 if var ('INCLUDES');
8032 # Must do this after reading .am file.
8033 define_variable ('subdir', $relative_dir, INTERNAL);
8035 # If DIST_SUBDIRS is defined, make sure SUBDIRS is, so that
8036 # recursive rules are enabled.
8037 define_pretty_variable ('SUBDIRS', TRUE, INTERNAL, '')
8038 if var 'DIST_SUBDIRS' && ! var 'SUBDIRS';
8040 # Check first, because we might modify some state.
8041 check_gnu_standards;
8042 check_gnits_standards;
8044 handle_configure ($makefile_am, $makefile_in, $makefile, @inputs);
8051 # These must be run after all the sources are scanned. They
8052 # use variables defined by &handle_libraries, &handle_ltlibraries,
8053 # or &handle_programs.
8058 # Variables used by distdir.am and tags.am.
8059 define_pretty_variable ('SOURCES', TRUE, INTERNAL, @sources);
8060 if (! option 'no-dist')
8062 define_pretty_variable ('DIST_SOURCES', TRUE, INTERNAL, @dist_sources);
8074 handle_minor_options;
8075 # Must come after handle_programs so that %known_programs is up-to-date.
8078 # This must come after most other rules.
8082 do_check_merge_target;
8083 handle_all ($makefile);
8086 if (var ('lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8088 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
8090 if (var ('nobase_lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
8092 $output_rules .= "install-binPROGRAMS: install-nobase_libLTLIBRARIES\n\n";
8096 handle_clean ($makefile);
8097 handle_factored_dependencies;
8099 # Comes last, because all the above procedures may have
8100 # defined or overridden variables.
8101 $output_vars .= output_variables;
8105 if ($exit_code != 0)
8107 verb "not writing $makefile_in because of earlier errors";
8111 mkdir ($am_relative_dir, 0755) if ! -d $am_relative_dir;
8113 # We make sure that 'all:' is the first target.
8115 "$output_vars$output_all$output_header$output_rules$output_trailer";
8117 # Decide whether we must update the output file or not.
8118 # We have to update in the following situations.
8119 # * $force_generation is set.
8120 # * any of the output dependencies is younger than the output
8121 # * the contents of the output is different (this can happen
8122 # if the project has been populated with a file listed in
8123 # @common_files since the last run).
8124 # Output's dependencies are split in two sets:
8125 # * dependencies which are also configure dependencies
8126 # These do not change between each Makefile.am
8127 # * other dependencies, specific to the Makefile.am being processed
8128 # (such as the Makefile.am itself, or any Makefile fragment
8130 my $timestamp = mtime $makefile_in;
8131 if (! $force_generation
8132 && $configure_deps_greatest_timestamp < $timestamp
8133 && $output_deps_greatest_timestamp < $timestamp
8134 && $output eq contents ($makefile_in))
8136 verb "$makefile_in unchanged";
8137 # No need to update.
8141 if (-e $makefile_in)
8143 unlink ($makefile_in)
8144 or fatal "cannot remove $makefile_in: $!";
8147 my $gm_file = new Automake::XFile "> $makefile_in";
8148 verb "creating $makefile_in";
8149 print $gm_file $output;
8152 ################################################################
8157 ################################################################
8159 # Helper function for usage().
8160 sub print_autodist_files (@)
8162 my @lcomm = sort (&uniq (@_));
8165 format USAGE_FORMAT =
8166 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
8167 $four[0], $four[1], $four[2], $four[3]
8169 local $~ = "USAGE_FORMAT";
8172 my $rows = int(@lcomm / $cols);
8173 my $rest = @lcomm % $cols;
8184 for (my $y = 0; $y < $rows; $y++)
8186 @four = ("", "", "", "");
8187 for (my $x = 0; $x < $cols; $x++)
8189 last if $y + 1 == $rows && $x == $rest;
8191 my $idx = (($x > $rest)
8192 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
8196 $four[$x] = $lcomm[$idx];
8203 # Print usage information.
8206 print "Usage: $0 [OPTION]... [Makefile]...
8208 Generate Makefile.in for configure from Makefile.am.
8211 --help print this help, then exit
8212 --version print version number, then exit
8213 -v, --verbose verbosely list files processed
8214 --no-force only update Makefile.in's that are out of date
8215 -W, --warnings=CATEGORY report the warnings falling in CATEGORY
8217 Dependency tracking:
8218 -i, --ignore-deps disable dependency tracking code
8219 --include-deps enable dependency tracking code
8222 --foreign set strictness to foreign
8223 --gnits set strictness to gnits
8224 --gnu set strictness to gnu
8227 -a, --add-missing add missing standard files to package
8228 --libdir=DIR set directory storing library files
8229 --print-libdir print directory storing library files
8230 -c, --copy with -a, copy missing files (default is symlink)
8231 -f, --force-missing force update of standard files
8234 Automake::ChannelDefs::usage;
8236 print "\nFiles automatically distributed if found " .
8238 print_autodist_files @common_files;
8239 print "\nFiles automatically distributed if found " .
8240 "(under certain conditions):\n";
8241 print_autodist_files @common_sometimes;
8244 Report bugs to <@PACKAGE_BUGREPORT@>.
8245 GNU Automake home page: <@PACKAGE_URL@>.
8246 General help using GNU software: <http://www.gnu.org/gethelp/>.
8249 # --help always returns 0 per GNU standards.
8256 # Print version information
8260 automake (GNU $PACKAGE) $VERSION
8261 Copyright (C) $RELEASE_YEAR Free Software Foundation, Inc.
8262 License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>
8263 This is free software: you are free to change and redistribute it.
8264 There is NO WARRANTY, to the extent permitted by law.
8266 Written by Tom Tromey <tromey\@redhat.com>
8267 and Alexandre Duret-Lutz <adl\@gnu.org>.
8269 # --version always returns 0 per GNU standards.
8273 ################################################################
8275 # Parse command line.
8276 sub parse_arguments ()
8279 my $ignore_deps = 0;
8284 'version' => \&version,
8286 'libdir=s' => \$libdir,
8287 'print-libdir' => sub { print "$libdir\n"; exit 0; },
8288 'gnu' => sub { $strict = 'gnu'; },
8289 'gnits' => sub { $strict = 'gnits'; },
8290 'foreign' => sub { $strict = 'foreign'; },
8291 'include-deps' => sub { $ignore_deps = 0; },
8292 'i|ignore-deps' => sub { $ignore_deps = 1; },
8293 'no-force' => sub { $force_generation = 0; },
8294 'f|force-missing' => \$force_missing,
8295 'a|add-missing' => \$add_missing,
8296 'c|copy' => \$copy_missing,
8297 'v|verbose' => sub { setup_channel 'verb', silent => 0; },
8298 'W|warnings=s' => \@warnings,
8301 use Automake::Getopt ();
8302 Automake::Getopt::parse_options %cli_options;
8304 set_strictness ($strict);
8305 my $cli_where = new Automake::Location;
8306 set_global_option ('no-dependencies', $cli_where) if $ignore_deps;
8307 for my $warning (@warnings)
8309 &parse_warnings ('-W', $warning);
8312 return unless @ARGV;
8315 foreach my $arg (@ARGV)
8317 fatal ("empty argument\nTry '$0 --help' for more information")
8320 # Handle $local:$input syntax.
8321 my ($local, @rest) = split (/:/, $arg);
8322 @rest = ("$local.in",) unless @rest;
8323 my $input = locate_am @rest;
8326 push @input_files, $input;
8327 $output_files{$input} = join (':', ($local, @rest));
8331 error "no Automake input file found for '$arg'";
8335 fatal "no input file found among supplied arguments"
8336 if $errspec && ! @input_files;
8340 # handle_makefile ($MAKEFILE_IN)
8341 # ------------------------------
8342 # Deal with $MAKEFILE_IN.
8343 sub handle_makefile ($)
8346 ($am_file = $file) =~ s/\.in$//;
8347 if (! -f ($am_file . '.am'))
8349 error "'$am_file.am' does not exist";
8353 # Any warning setting now local to this Makefile.am.
8356 generate_makefile ($am_file . '.am', $file);
8358 # Back out any warning setting.
8363 # handle_makefiles_serial ()
8364 # --------------------------
8365 # Deal with all makefiles, without threads.
8366 sub handle_makefiles_serial ()
8368 foreach my $file (@input_files)
8370 handle_makefile ($file);
8374 # get_number_of_threads ()
8375 # ------------------------
8376 # Logic for deciding how many worker threads to use.
8377 sub get_number_of_threads
8379 my $nthreads = $ENV{'AUTOMAKE_JOBS'} || 0;
8382 unless $nthreads =~ /^[0-9]+$/;
8384 # It doesn't make sense to use more threads than makefiles,
8385 my $max_threads = @input_files;
8387 if ($nthreads > $max_threads)
8389 $nthreads = $max_threads;
8394 # handle_makefiles_threaded ($NTHREADS)
8395 # -------------------------------------
8396 # Deal with all makefiles, using threads. The general strategy is to
8397 # spawn NTHREADS worker threads, dispatch makefiles to them, and let the
8398 # worker threads push back everything that needs serialization:
8399 # * warning and (normal) error messages, for stable stderr output
8400 # order and content (avoiding duplicates, for example),
8401 # * races when installing aux files (and respective messages),
8402 # * races when collecting aux files for distribution.
8404 # The latter requires that the makefile that deals with the aux dir
8405 # files be handled last, done by the master thread.
8406 sub handle_makefiles_threaded ($)
8408 my ($nthreads) = @_;
8410 # The file queue distributes all makefiles, the message queues
8411 # collect all serializations needed for respective files.
8412 my $file_queue = Thread::Queue->new;
8414 foreach my $file (@input_files)
8416 $msg_queues{$file} = Thread::Queue->new;
8419 verb "spawning $nthreads worker threads";
8420 my @threads = (1 .. $nthreads);
8421 foreach my $t (@threads)
8423 $t = threads->new (sub
8425 while (my $file = $file_queue->dequeue)
8427 verb "handling $file";
8428 my $queue = $msg_queues{$file};
8429 setup_channel_queue ($queue, QUEUE_MESSAGE);
8430 $required_conf_file_queue = $queue;
8431 handle_makefile ($file);
8432 $queue->enqueue (undef);
8433 setup_channel_queue (undef, undef);
8434 $required_conf_file_queue = undef;
8440 # Queue all makefiles.
8441 verb "queuing " . @input_files . " input files";
8442 $file_queue->enqueue (@input_files, (undef) x @threads);
8444 # Collect and process serializations.
8445 foreach my $file (@input_files)
8447 verb "dequeuing messages for " . $file;
8448 reset_local_duplicates ();
8449 my $queue = $msg_queues{$file};
8450 while (my $key = $queue->dequeue)
8452 if ($key eq QUEUE_MESSAGE)
8454 pop_channel_queue ($queue);
8456 elsif ($key eq QUEUE_CONF_FILE)
8458 require_queued_file_check_or_copy ($queue);
8462 prog_error "unexpected key $key";
8467 foreach my $t (@threads)
8469 my @exit_thread = $t->join;
8470 $exit_code = $exit_thread[0]
8471 if ($exit_thread[0] > $exit_code);
8475 ################################################################
8477 # Parse the WARNINGS environment variable.
8480 # Parse command line.
8483 $configure_ac = require_configure_ac;
8485 # Do configure.ac scan only once.
8486 scan_autoconf_files;
8491 $msg = "\nDid you forget AC_CONFIG_FILES([Makefile]) in $configure_ac?"
8492 if -f 'Makefile.am';
8493 fatal ("no 'Makefile.am' found for any configure output$msg");
8496 my $nthreads = get_number_of_threads ();
8498 if ($perl_threads && $nthreads >= 1)
8500 handle_makefiles_threaded ($nthreads);
8504 handle_makefiles_serial ();
8510 ### Setup "GNU" style for perl-mode and cperl-mode.
8512 ## perl-indent-level: 2
8513 ## perl-continued-statement-offset: 2
8514 ## perl-continued-brace-offset: 0
8515 ## perl-brace-offset: 0
8516 ## perl-brace-imaginary-offset: 0
8517 ## perl-label-offset: -2
8518 ## cperl-indent-level: 2
8519 ## cperl-brace-offset: 0
8520 ## cperl-continued-brace-offset: 0
8521 ## cperl-label-offset: -2
8522 ## cperl-extra-newline-before-brace: t
8523 ## cperl-merge-trailing-else: nil
8524 ## cperl-continued-statement-offset: 2