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 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 # The arguments of the AM_EXTRA_RECURSIVE_TARGETS call (if any).
366 my @extra_recursive_targets = ();
368 # Lists of tags supported by Libtool.
369 my %libtool_tags = ();
370 # 1 if Libtool uses LT_SUPPORTED_TAG. If it does, then it also
371 # uses AC_REQUIRE_AUX_FILE.
372 my $libtool_new_api = 0;
374 # Most important AC_CANONICAL_* macro seen so far.
375 my $seen_canonical = 0;
377 # Where AM_MAINTAINER_MODE appears.
380 # Actual version we've seen.
381 my $package_version = '';
383 # Where version is defined.
384 my $package_version_location;
386 # TRUE if we've seen AM_PROG_AR
389 # TRUE if we've seen AM_PROG_CC_C_O
392 # Location of AC_REQUIRE_AUX_FILE calls, indexed by their argument.
393 my %required_aux_file = ();
395 # Where AM_INIT_AUTOMAKE is called;
396 my $seen_init_automake = 0;
398 # TRUE if we've seen AM_AUTOMAKE_VERSION.
399 my $seen_automake_version = 0;
401 # Hash table of discovered configure substitutions. Keys are names,
402 # values are 'FILE:LINE' strings which are used by error message
404 my %configure_vars = ();
406 # Ignored configure substitutions (i.e., variables not to be output in
408 my %ignored_configure_vars = ();
410 # Files included by $configure_ac.
411 my @configure_deps = ();
413 # Greatest timestamp of configure's dependencies.
414 my $configure_deps_greatest_timestamp = 0;
416 # Hash table of AM_CONDITIONAL variables seen in configure.
417 my %configure_cond = ();
419 # This maps extensions onto language names.
420 my %extension_map = ();
422 # List of the DIST_COMMON files we discovered while reading
424 my $configure_dist_common = '';
426 # This maps languages names onto objects.
428 # Maps each linker variable onto a language object.
429 my %link_languages = ();
431 # maps extensions to needed source flags.
432 my %sourceflags = ();
434 # List of targets we must always output.
435 # FIXME: Complete, and remove falsely required targets.
436 my %required_targets =
449 # FIXME: Not required, temporary hacks.
450 # Well, actually they are sort of required: the -recursive
451 # targets will run them anyway...
457 'install-data-am' => 1,
458 'install-exec-am' => 1,
459 'install-html-am' => 1,
460 'install-dvi-am' => 1,
461 'install-pdf-am' => 1,
462 'install-ps-am' => 1,
463 'install-info-am' => 1,
464 'installcheck-am' => 1,
468 'cscopelist-am' => 1,
472 # Queue to push require_conf_file requirements to.
473 my $required_conf_file_queue;
475 # The name of the Makefile currently being processed.
478 ################################################################
480 ## ------------------------------------------ ##
481 ## Variables reset by &initialize_per_input. ##
482 ## ------------------------------------------ ##
484 # Relative dir of the output makefile.
487 # Greatest timestamp of the output's dependencies (excluding
488 # configure's dependencies).
489 my $output_deps_greatest_timestamp;
491 # These variables are used when generating each Makefile.in.
492 # They hold the Makefile.in until it is ready to be printed.
499 # This is the conditional stack, updated on if/else/endif, and
500 # used to build Condition objects.
503 # This holds the set of included files.
506 # List of dependencies for the obvious targets.
511 # Keys in this hash table are files to delete. The associated
512 # value tells when this should happen (MOSTLY_CLEAN, DIST_CLEAN, etc.)
515 # Keys in this hash table are object files or other files in
516 # subdirectories which need to be removed. This only holds files
517 # which are created by compilations. The value in the hash indicates
518 # when the file should be removed.
519 my %compile_clean_files;
521 # Keys in this hash table are directories where we expect to build a
522 # libtool object. We use this information to decide what directories
524 my %libtool_clean_directories;
526 # Value of $(SOURCES), used by tags.am.
528 # Sources which go in the distribution.
531 # This hash maps object file names onto their corresponding source
532 # file names. This is used to ensure that each object is created
533 # by a single source file.
536 # This hash maps object file names onto an integer value representing
537 # whether this object has been built via ordinary compilation or
538 # libtool compilation (the COMPILE_* constants).
539 my %object_compilation_map;
542 # This keeps track of the directories for which we've already
543 # created dirstamp code. Keys are directories, values are stamp files.
544 # Several keys can share the same stamp files if they are equivalent
545 # (as are './/foo' and 'foo').
551 # This is a list of all targets to run during "make dist".
554 # Keep track of all programs declared in this Makefile, without
555 # $(EXEEXT). @substitutions@ are not listed.
559 # This keeps track of which extensions we've seen (that we care
563 # This is random scratch space for the language finish functions.
564 # Don't randomly overwrite it; examine other uses of keys first.
565 my %language_scratch;
567 # We keep track of which objects need special (per-executable)
568 # handling on a per-language basis.
569 my %lang_specific_files;
571 # This is set when 'handle_dist' has finished. Once this happens,
572 # we should no longer push on dist_common.
575 # Used to store a set of linkers needed to generate the sources currently
576 # under consideration.
579 # True if we need 'LINK' defined. This is a hack.
582 # Does the generated Makefile have to build some compiled object
583 # (for binary programs, or plain or libtool libraries)?
584 my $must_handle_compiled_objects;
586 # Record each file processed by make_paragraphs.
587 my %transformed_files;
589 ################################################################
591 ## ---------------------------------------------- ##
592 ## Variables not reset by &initialize_per_input. ##
593 ## ---------------------------------------------- ##
595 # Cache each file processed by make_paragraphs.
596 # (This is different from %transformed_files because
597 # %transformed_files is reset for each file while %am_file_cache
598 # it global to the run.)
601 ################################################################
603 # var_SUFFIXES_trigger ($TYPE, $VALUE)
604 # ------------------------------------
605 # This is called by Automake::Variable::define() when SUFFIXES
606 # is defined ($TYPE eq '') or appended ($TYPE eq '+').
607 # The work here needs to be performed as a side-effect of the
608 # macro_define() call because SUFFIXES definitions impact
609 # on $KNOWN_EXTENSIONS_PATTERN which is used used when parsing
611 sub var_SUFFIXES_trigger ($$)
613 my ($type, $value) = @_;
614 accept_extensions (split (' ', $value));
616 Automake::Variable::hook ('SUFFIXES', \&var_SUFFIXES_trigger);
618 ################################################################
620 ## --------------------------------- ##
621 ## Forward subroutine declarations. ##
622 ## --------------------------------- ##
623 sub register_language (%);
624 sub file_contents_internal ($$$%);
625 sub define_files_variable ($\@$$);
628 # &initialize_per_input ()
629 # ------------------------
630 # (Re)-Initialize per-Makefile.am variables.
631 sub initialize_per_input ()
633 reset_local_duplicates ();
635 $relative_dir = undef;
637 $output_deps_greatest_timestamp = 0;
643 $output_trailer = '';
645 Automake::Options::reset;
646 Automake::Variable::reset;
647 Automake::Rule::reset;
658 %compile_clean_files = ();
660 # We always include '.'. This isn't strictly correct.
661 %libtool_clean_directories = ('.' => 1);
667 %object_compilation_map = ();
675 %known_programs = ();
676 %known_libraries= ();
678 %extension_seen = ();
680 %language_scratch = ();
682 %lang_specific_files = ();
684 $handle_dist_run = 0;
688 $must_handle_compiled_objects = 0;
690 %transformed_files = ();
694 ################################################################
696 # Initialize our list of languages that are internally supported.
699 register_language ('name' => 'c',
701 'config_vars' => ['CC'],
703 'flags' => ['CFLAGS', 'CPPFLAGS'],
705 'compiler' => 'COMPILE',
706 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
710 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
711 'compile_flag' => '-c',
712 'libtool_tag' => 'CC',
713 'extensions' => ['.c']);
716 register_language ('name' => 'cxx',
718 'config_vars' => ['CXX'],
719 'linker' => 'CXXLINK',
720 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
722 'flags' => ['CXXFLAGS', 'CPPFLAGS'],
723 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
725 'compiler' => 'CXXCOMPILE',
726 'compile_flag' => '-c',
727 'output_flag' => '-o',
728 'libtool_tag' => 'CXX',
732 'extensions' => ['.c++', '.cc', '.cpp', '.cxx', '.C']);
735 register_language ('name' => 'objc',
736 'Name' => 'Objective C',
737 'config_vars' => ['OBJC'],
738 'linker' => 'OBJCLINK',
739 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
741 'flags' => ['OBJCFLAGS', 'CPPFLAGS'],
742 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
744 'compiler' => 'OBJCCOMPILE',
745 'compile_flag' => '-c',
746 'output_flag' => '-o',
750 'extensions' => ['.m']);
753 register_language ('name' => 'objcxx',
754 'Name' => 'Objective C++',
755 'config_vars' => ['OBJCXX'],
756 'linker' => 'OBJCXXLINK',
757 'link' => '$(OBJCXXLD) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
758 'autodep' => 'OBJCXX',
759 'flags' => ['OBJCXXFLAGS', 'CPPFLAGS'],
760 'compile' => '$(OBJCXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCXXFLAGS) $(OBJCXXFLAGS)',
762 'compiler' => 'OBJCXXCOMPILE',
763 'compile_flag' => '-c',
764 'output_flag' => '-o',
765 'lder' => 'OBJCXXLD',
768 'extensions' => ['.mm']);
770 # Unified Parallel C.
771 register_language ('name' => 'upc',
772 'Name' => 'Unified Parallel C',
773 'config_vars' => ['UPC'],
774 'linker' => 'UPCLINK',
775 'link' => '$(UPCLD) $(AM_UPCFLAGS) $(UPCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
777 'flags' => ['UPCFLAGS', 'CPPFLAGS'],
778 'compile' => '$(UPC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_UPCFLAGS) $(UPCFLAGS)',
780 'compiler' => 'UPCCOMPILE',
781 'compile_flag' => '-c',
782 'output_flag' => '-o',
786 'extensions' => ['.upc']);
789 register_language ('name' => 'header',
791 'extensions' => ['.h', '.H', '.hxx', '.h++', '.hh',
794 'output_extensions' => sub { return () },
796 '_finish' => sub { });
799 register_language ('name' => 'vala',
801 'config_vars' => ['VALAC'],
803 'compile' => '$(VALAC) $(AM_VALAFLAGS) $(VALAFLAGS)',
805 'compiler' => 'VALACOMPILE',
806 'extensions' => ['.vala'],
807 'output_extensions' => sub { (my $ext = $_[0]) =~ s/vala$/c/;
809 'rule_file' => 'vala',
810 '_finish' => \&lang_vala_finish,
811 '_target_hook' => \&lang_vala_target_hook,
812 'nodist_specific' => 1);
815 register_language ('name' => 'yacc',
817 'config_vars' => ['YACC'],
818 'flags' => ['YFLAGS'],
819 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
821 'compiler' => 'YACCCOMPILE',
822 'extensions' => ['.y'],
823 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
825 'rule_file' => 'yacc',
826 '_finish' => \&lang_yacc_finish,
827 '_target_hook' => \&lang_yacc_target_hook,
828 'nodist_specific' => 1);
829 register_language ('name' => 'yaccxx',
830 'Name' => 'Yacc (C++)',
831 'config_vars' => ['YACC'],
832 'rule_file' => 'yacc',
833 'flags' => ['YFLAGS'],
835 'compiler' => 'YACCCOMPILE',
836 'compile' => '$(YACC) $(AM_YFLAGS) $(YFLAGS)',
837 'extensions' => ['.y++', '.yy', '.yxx', '.ypp'],
838 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
840 '_finish' => \&lang_yacc_finish,
841 '_target_hook' => \&lang_yacc_target_hook,
842 'nodist_specific' => 1);
845 register_language ('name' => 'lex',
847 'config_vars' => ['LEX'],
848 'rule_file' => 'lex',
849 'flags' => ['LFLAGS'],
850 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
852 'compiler' => 'LEXCOMPILE',
853 'extensions' => ['.l'],
854 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
856 '_finish' => \&lang_lex_finish,
857 '_target_hook' => \&lang_lex_target_hook,
858 'nodist_specific' => 1);
859 register_language ('name' => 'lexxx',
860 'Name' => 'Lex (C++)',
861 'config_vars' => ['LEX'],
862 'rule_file' => 'lex',
863 'flags' => ['LFLAGS'],
864 'compile' => '$(LEX) $(AM_LFLAGS) $(LFLAGS)',
866 'compiler' => 'LEXCOMPILE',
867 'extensions' => ['.l++', '.ll', '.lxx', '.lpp'],
868 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
870 '_finish' => \&lang_lex_finish,
871 '_target_hook' => \&lang_lex_target_hook,
872 'nodist_specific' => 1);
875 register_language ('name' => 'asm',
876 'Name' => 'Assembler',
877 'config_vars' => ['CCAS', 'CCASFLAGS'],
879 'flags' => ['CCASFLAGS'],
880 # Users can set AM_CCASFLAGS to include DEFS, INCLUDES,
881 # or anything else required. They can also set CCAS.
882 # Or simply use Preprocessed Assembler.
883 'compile' => '$(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)',
885 'compiler' => 'CCASCOMPILE',
886 'compile_flag' => '-c',
887 'output_flag' => '-o',
888 'extensions' => ['.s']);
890 # Preprocessed Assembler.
891 register_language ('name' => 'cppasm',
892 'Name' => 'Preprocessed Assembler',
893 'config_vars' => ['CCAS', 'CCASFLAGS'],
896 'flags' => ['CCASFLAGS', 'CPPFLAGS'],
897 'compile' => '$(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CCASFLAGS) $(CCASFLAGS)',
899 'compiler' => 'CPPASCOMPILE',
900 'compile_flag' => '-c',
901 'output_flag' => '-o',
902 'extensions' => ['.S', '.sx']);
905 register_language ('name' => 'f77',
906 'Name' => 'Fortran 77',
907 'config_vars' => ['F77'],
908 'linker' => 'F77LINK',
909 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
910 'flags' => ['FFLAGS'],
911 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
913 'compiler' => 'F77COMPILE',
914 'compile_flag' => '-c',
915 'output_flag' => '-o',
916 'libtool_tag' => 'F77',
920 'extensions' => ['.f', '.for']);
923 register_language ('name' => 'fc',
925 'config_vars' => ['FC'],
926 'linker' => 'FCLINK',
927 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
928 'flags' => ['FCFLAGS'],
929 'compile' => '$(FC) $(AM_FCFLAGS) $(FCFLAGS)',
931 'compiler' => 'FCCOMPILE',
932 'compile_flag' => '-c',
933 'output_flag' => '-o',
934 'libtool_tag' => 'FC',
938 'extensions' => ['.f90', '.f95', '.f03', '.f08']);
940 # Preprocessed Fortran
941 register_language ('name' => 'ppfc',
942 'Name' => 'Preprocessed Fortran',
943 'config_vars' => ['FC'],
944 'linker' => 'FCLINK',
945 'link' => '$(FCLD) $(AM_FCFLAGS) $(FCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
948 'flags' => ['FCFLAGS', 'CPPFLAGS'],
950 'compiler' => 'PPFCCOMPILE',
951 'compile' => '$(FC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FCFLAGS) $(FCFLAGS)',
952 'compile_flag' => '-c',
953 'output_flag' => '-o',
954 'libtool_tag' => 'FC',
956 'extensions' => ['.F90','.F95', '.F03', '.F08']);
958 # Preprocessed Fortran 77
960 # The current support for preprocessing Fortran 77 just involves
961 # passing "$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
962 # $(CPPFLAGS)" as additional flags to the Fortran 77 compiler, since
963 # this is how GNU Make does it; see the "GNU Make Manual, Edition 0.51
964 # for 'make' Version 3.76 Beta" (specifically, from info file
965 # '(make)Catalogue of Rules').
967 # A better approach would be to write an Autoconf test
968 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
969 # Fortran 77 compilers know how to do preprocessing. The Autoconf
970 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
971 # preprocessing capabilities, and then fall back on cpp (if cpp were
973 register_language ('name' => 'ppf77',
974 'Name' => 'Preprocessed Fortran 77',
975 'config_vars' => ['F77'],
976 'linker' => 'F77LINK',
977 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
980 'flags' => ['FFLAGS', 'CPPFLAGS'],
982 'compiler' => 'PPF77COMPILE',
983 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
984 'compile_flag' => '-c',
985 'output_flag' => '-o',
986 'libtool_tag' => 'F77',
988 'extensions' => ['.F']);
991 register_language ('name' => 'ratfor',
993 'config_vars' => ['F77'],
994 'linker' => 'F77LINK',
995 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
998 'flags' => ['RFLAGS', 'FFLAGS'],
1000 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
1002 'compiler' => 'RCOMPILE',
1003 'compile_flag' => '-c',
1004 'output_flag' => '-o',
1005 'libtool_tag' => 'F77',
1007 'extensions' => ['.r']);
1010 register_language ('name' => 'java',
1012 'config_vars' => ['GCJ'],
1013 'linker' => 'GCJLINK',
1014 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
1016 'flags' => ['GCJFLAGS'],
1017 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
1019 'compiler' => 'GCJCOMPILE',
1020 'compile_flag' => '-c',
1021 'output_flag' => '-o',
1022 'libtool_tag' => 'GCJ',
1026 'extensions' => ['.java', '.class', '.zip', '.jar']);
1028 ################################################################
1030 # Error reporting functions.
1032 # err_am ($MESSAGE, [%OPTIONS])
1033 # -----------------------------
1034 # Uncategorized errors about the current Makefile.am.
1037 msg_am ('error', @_);
1040 # err_ac ($MESSAGE, [%OPTIONS])
1041 # -----------------------------
1042 # Uncategorized errors about configure.ac.
1045 msg_ac ('error', @_);
1048 # msg_am ($CHANNEL, $MESSAGE, [%OPTIONS])
1049 # ---------------------------------------
1050 # Messages about about the current Makefile.am.
1053 my ($channel, $msg, %opts) = @_;
1054 msg $channel, "${am_file}.am", $msg, %opts;
1057 # msg_ac ($CHANNEL, $MESSAGE, [%OPTIONS])
1058 # ---------------------------------------
1059 # Messages about about configure.ac.
1062 my ($channel, $msg, %opts) = @_;
1063 msg $channel, $configure_ac, $msg, %opts;
1066 ################################################################
1070 # Return a configure-style substitution using the indicated text.
1071 # We do this to avoid having the substitutions directly in automake.in;
1072 # when we do that they are sometimes removed and this causes confusion
1077 return '@' . $text . '@';
1080 ################################################################
1084 # &backname ($RELDIR)
1085 # --------------------
1086 # If I "cd $RELDIR", then to come back, I should "cd $BACKPATH".
1087 # For instance 'src/foo' => '../..'.
1088 # Works with non strictly increasing paths, i.e., 'src/../lib' => '..'.
1093 foreach (split (/\//, $file))
1095 next if $_ eq '.' || $_ eq '';
1099 or prog_error ("trying to reverse path '$file' pointing outside tree");
1106 return join ('/', @res) || '.';
1109 ################################################################
1111 # Silent rules handling functions.
1113 # verbose_var (NAME)
1114 # ------------------
1115 # The public variable stem used to implement silent rules.
1119 return 'AM_V_' . $name;
1122 # verbose_private_var (NAME)
1123 # --------------------------
1124 # The naming policy for the private variables for silent rules.
1125 sub verbose_private_var ($)
1128 return 'am__v_' . $name;
1131 # define_verbose_var (NAME, VAL-IF-SILENT, [VAL-IF-VERBOSE])
1132 # ----------------------------------------------------------
1133 # For silent rules, setup VAR and dispatcher, to expand to
1134 # VAL-IF-SILENT if silent, to VAL-IF-VERBOSE (defaulting to
1136 sub define_verbose_var ($$;$)
1138 my ($name, $silent_val, $verbose_val) = @_;
1139 $verbose_val = '' unless defined $verbose_val;
1140 my $var = verbose_var ($name);
1141 my $pvar = verbose_private_var ($name);
1142 my $silent_var = $pvar . '_0';
1143 my $verbose_var = $pvar . '_1';
1144 # For typical 'make's, 'configure' replaces AM_V (inside @@) with $(V)
1145 # and AM_DEFAULT_V (inside @@) with $(AM_DEFAULT_VERBOSITY).
1146 # For strict POSIX 2008 'make's, it replaces them with 0 or 1 instead.
1147 # See AM_SILENT_RULES in m4/silent.m4.
1148 define_variable ($var, '$(' . $pvar . '_@'.'AM_V'.'@)', INTERNAL);
1149 define_variable ($pvar . '_', '$(' . $pvar . '_@'.'AM_DEFAULT_V'.'@)',
1151 Automake::Variable::define ($silent_var, VAR_AUTOMAKE, '', TRUE,
1152 $silent_val, '', INTERNAL, VAR_ASIS)
1153 if (! vardef ($silent_var, TRUE));
1154 Automake::Variable::define ($verbose_var, VAR_AUTOMAKE, '', TRUE,
1155 $verbose_val, '', INTERNAL, VAR_ASIS)
1156 if (! vardef ($verbose_var, TRUE));
1159 # Above should not be needed in the general automake code.
1161 # verbose_flag (NAME)
1162 # -------------------
1163 # Contents of %VERBOSE%: variable to expand before rule command.
1164 sub verbose_flag ($)
1167 return '$(' . verbose_var ($name) . ')';
1170 sub verbose_nodep_flag ($)
1173 return '$(' . verbose_var ($name) . subst ('am__nodep') . ')';
1178 # Contents of %SILENT%: variable to expand to '@' when silent.
1181 return verbose_flag ('at');
1184 # define_verbose_tagvar (NAME)
1185 # ----------------------------
1186 # Engage the needed silent rules machinery for tag NAME.
1187 sub define_verbose_tagvar ($)
1190 define_verbose_var ($name, '@echo " '. $name . ' ' x (8 - length ($name)) . '" $@;');
1193 # define_verbose_texinfo
1194 # ----------------------
1195 # Engage the needed silent rules machinery for assorted texinfo commands.
1196 sub define_verbose_texinfo ()
1198 my @tagvars = ('DVIPS', 'MAKEINFO', 'INFOHTML', 'TEXI2DVI', 'TEXI2PDF');
1199 foreach my $tag (@tagvars)
1201 define_verbose_tagvar($tag);
1203 define_verbose_var('texinfo', '-q');
1204 define_verbose_var('texidevnull', '> /dev/null');
1207 # define_verbose_libtool
1208 # ----------------------
1209 # Engage the needed silent rules machinery for 'libtool --silent'.
1210 sub define_verbose_libtool ()
1212 define_verbose_var ('lt', '--silent');
1213 return verbose_flag ('lt');
1216 sub handle_silent ()
1218 # Define "$(AM_V_P)", expanding to a shell conditional that can be
1219 # used in make recipes to determine whether we are being run in
1220 # silent mode or not. The choice of the name derives from the LISP
1221 # convention of appending the letter 'P' to denote a predicate (see
1222 # also "the '-P' convention" in the Jargon File); we do so for lack
1223 # of a better convention.
1224 define_verbose_var ('P', 'false', ':');
1225 # *Always* provide the user with '$(AM_V_GEN)', unconditionally.
1226 define_verbose_tagvar ('GEN');
1227 define_verbose_var ('at', '@');
1231 ################################################################
1234 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
1237 my $var = var ('AUTOMAKE_OPTIONS');
1240 if ($var->has_conditional_contents)
1242 msg_var ('unsupported', $var,
1243 "'AUTOMAKE_OPTIONS' cannot have conditional contents");
1245 my @options = map { { option => $_->[1], where => $_->[0] } }
1246 $var->value_as_list_recursive (cond_filter => TRUE,
1248 return 1 if process_option_list (@options);
1251 if ($strictness == GNITS)
1253 set_option ('readme-alpha', INTERNAL);
1254 set_option ('std-options', INTERNAL);
1255 set_option ('check-news', INTERNAL);
1261 # shadow_unconditionally ($varname, $where)
1262 # -----------------------------------------
1263 # Return a $(variable) that contains all possible values
1264 # $varname can take.
1265 # If the VAR wasn't defined conditionally, return $(VAR).
1266 # Otherwise we create an am__VAR_DIST variable which contains
1267 # all possible values, and return $(am__VAR_DIST).
1268 sub shadow_unconditionally ($$)
1270 my ($varname, $where) = @_;
1271 my $var = var $varname;
1272 if ($var->has_conditional_contents)
1274 $varname = "am__${varname}_DIST";
1275 my @files = uniq ($var->value_as_list_recursive);
1276 define_pretty_variable ($varname, TRUE, $where, @files);
1278 return "\$($varname)"
1281 # check_user_variables (@LIST)
1282 # ----------------------------
1283 # Make sure each variable VAR in @LIST does not exist, suggest using AM_VAR
1285 sub check_user_variables (@)
1287 my @dont_override = @_;
1288 foreach my $flag (@dont_override)
1290 my $var = var $flag;
1293 for my $cond ($var->conditions->conds)
1295 if ($var->rdef ($cond)->owner == VAR_MAKEFILE)
1297 msg_cond_var ('gnu', $cond, $flag,
1298 "'$flag' is a user variable, "
1299 . "you should not override it;\n"
1300 . "use 'AM_$flag' instead");
1307 # Call finish function for each language that was used.
1308 sub handle_languages
1310 if (! option 'no-dependencies')
1312 # Include auto-dep code. Don't include it if DEP_FILES would
1314 if (keys %extension_seen && keys %dep_files)
1316 # Set location of depcomp.
1317 &define_variable ('depcomp',
1318 "\$(SHELL) $am_config_aux_dir/depcomp",
1320 &define_variable ('am__depfiles_maybe', 'depfiles', INTERNAL);
1322 require_conf_file ("$am_file.am", FOREIGN, 'depcomp');
1324 my @deplist = sort keys %dep_files;
1325 # Generate each 'include' individually. Irix 6 make will
1326 # not properly include several files resulting from a
1327 # variable expansion; generating many separate includes
1329 $output_rules .= "\n";
1330 foreach my $iter (@deplist)
1332 $output_rules .= (subst ('AMDEP_TRUE')
1333 . subst ('am__include')
1335 . subst ('am__quote')
1337 . subst ('am__quote')
1341 # Compute the set of directories to remove in distclean-depend.
1342 my @depdirs = uniq (map { dirname ($_) } @deplist);
1343 $output_rules .= &file_contents ('depend',
1344 new Automake::Location,
1345 DEPDIRS => "@depdirs");
1350 &define_variable ('depcomp', '', INTERNAL);
1351 &define_variable ('am__depfiles_maybe', '', INTERNAL);
1356 # Is the C linker needed?
1358 foreach my $ext (sort keys %extension_seen)
1360 next unless $extension_map{$ext};
1362 my $lang = $languages{$extension_map{$ext}};
1364 my $rule_file = $lang->rule_file || 'depend2';
1366 # Get information on $LANG.
1367 my $pfx = $lang->autodep;
1368 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1370 my ($AMDEP, $FASTDEP) =
1371 (option 'no-dependencies' || $lang->autodep eq 'no')
1372 ? ('FALSE', 'FALSE') : ('AMDEP', "am__fastdep$fpfx");
1374 my $verbose = verbose_flag ($lang->ccer || 'GEN');
1375 my $verbose_nodep = ($AMDEP eq 'FALSE')
1376 ? $verbose : verbose_nodep_flag ($lang->ccer || 'GEN');
1377 my $silent = silent_flag ();
1379 my %transform = ('EXT' => $ext,
1383 'FASTDEP' => $FASTDEP,
1384 '-c' => $lang->compile_flag || '',
1385 # These are not used, but they need to be defined
1386 # so &transform do not complain.
1388 'DERIVED-EXT' => 'BUG',
1390 VERBOSE => $verbose,
1391 'VERBOSE-NODEP' => $verbose_nodep,
1395 # Generate the appropriate rules for this extension.
1396 if (((! option 'no-dependencies') && $lang->autodep ne 'no')
1397 || defined $lang->compile)
1399 # Some C compilers don't support -c -o. Use it only if really
1401 my $output_flag = $lang->output_flag || '';
1404 && $lang->name eq 'c'
1405 && option 'subdir-objects');
1407 # Compute a possible derived extension.
1408 # This is not used by depend2.am.
1409 my $der_ext = (&{$lang->output_extensions} ($ext))[0];
1411 # When we output an inference rule like '.c.o:' we
1412 # have two cases to consider: either subdir-objects
1413 # is used, or it is not.
1415 # In the latter case the rule is used to build objects
1416 # in the current directory, and dependencies always
1417 # go into './$(DEPDIR)/'. We can hard-code this value.
1419 # In the former case the rule can be used to build
1420 # objects in sub-directories too. Dependencies should
1421 # go into the appropriate sub-directories, e.g.,
1422 # 'sub/$(DEPDIR)/'. The value of this directory
1423 # needs to be computed on-the-fly.
1425 # DEPBASE holds the name of this directory, plus the
1426 # basename part of the object file (extensions Po, TPo,
1427 # Plo, TPlo will be added later as appropriate). It is
1428 # either hardcoded, or a shell variable ('$depbase') that
1429 # will be computed by the rule.
1431 option ('subdir-objects') ? '$$depbase' : '$(DEPDIR)/$*';
1433 file_contents ($rule_file,
1434 new Automake::Location,
1438 'DERIVED-EXT' => $der_ext,
1440 DEPBASE => $depbase,
1443 SOURCEFLAG => $sourceflags{$ext} || '',
1448 COMPILE => '$(' . $lang->compiler . ')',
1449 LTCOMPILE => '$(LT' . $lang->compiler . ')',
1451 SUBDIROBJ => !! option 'subdir-objects');
1454 # Now include code for each specially handled object with this
1456 my %seen_files = ();
1457 foreach my $file (@{$lang_specific_files{$lang->name}})
1459 my ($derived, $source, $obj, $myext, $srcext, %file_transform) = @$file;
1461 # We might see a given object twice, for instance if it is
1462 # used under different conditions.
1463 next if defined $seen_files{$obj};
1464 $seen_files{$obj} = 1;
1466 prog_error ("found " . $lang->name .
1467 " in handle_languages, but compiler not defined")
1468 unless defined $lang->compile;
1470 my $obj_compile = $lang->compile;
1472 # Rewrite each occurrence of 'AM_$flag' in the compile
1473 # rule into '${derived}_$flag' if it exists.
1474 for my $flag (@{$lang->flags})
1476 my $val = "${derived}_$flag";
1477 $obj_compile =~ s/\(AM_$flag\)/\($val\)/
1481 my $libtool_tag = '';
1482 if ($lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag})
1484 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
1487 my $ptltflags = "${derived}_LIBTOOLFLAGS";
1488 $ptltflags = 'AM_LIBTOOLFLAGS' unless set_seen $ptltflags;
1490 my $ltverbose = define_verbose_libtool ();
1492 "\$(LIBTOOL) $ltverbose $libtool_tag\$($ptltflags) \$(LIBTOOLFLAGS) "
1493 . "--mode=compile $obj_compile";
1495 # We _need_ '-o' for per object rules.
1496 my $output_flag = $lang->output_flag || '-o';
1498 my $depbase = dirname ($obj);
1502 unless $depbase eq '';
1503 $depbase .= '$(DEPDIR)/' . basename ($obj);
1506 file_contents ($rule_file,
1507 new Automake::Location,
1511 DEPBASE => $depbase,
1514 SOURCEFLAG => $sourceflags{$srcext} || '',
1515 # Use $myext and not '.o' here, in case
1516 # we are actually building a new source
1517 # file -- e.g. via yacc.
1518 OBJ => "$obj$myext",
1519 OBJOBJ => "$obj.obj",
1522 VERBOSE => $verbose,
1523 'VERBOSE-NODEP' => $verbose_nodep,
1525 COMPILE => $obj_compile,
1526 LTCOMPILE => $obj_ltcompile,
1531 # The rest of the loop is done once per language.
1532 next if defined $done{$lang};
1535 # Load the language dependent Makefile chunks.
1536 my %lang = map { uc ($_) => 0 } keys %languages;
1537 $lang{uc ($lang->name)} = 1;
1538 $output_rules .= file_contents ('lang-compile',
1539 new Automake::Location,
1542 # If the source to a program consists entirely of code from a
1543 # 'pure' language, for instance C++ or Fortran 77, then we
1544 # don't need the C compiler code. However if we run into
1545 # something unusual then we do generate the C code. There are
1546 # probably corner cases here that do not work properly.
1547 # People linking Java code to Fortran code deserve pain.
1548 $needs_c ||= ! $lang->pure;
1550 define_compiler_variable ($lang)
1551 if ($lang->compile);
1553 define_linker_variable ($lang)
1556 require_variables ("$am_file.am", $lang->Name . " source seen",
1557 TRUE, @{$lang->config_vars});
1559 # Call the finisher.
1562 # Flags listed in '->flags' are user variables (per GNU Standards),
1563 # they should not be overridden in the Makefile...
1564 my @dont_override = @{$lang->flags};
1565 # ... and so is LDFLAGS.
1566 push @dont_override, 'LDFLAGS' if $lang->link;
1568 check_user_variables @dont_override;
1571 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1572 # suffix rule was learned), don't bother with the C stuff. But if
1573 # anything else creeps in, then use it.
1575 if $need_link || suffix_rules_count > 1;
1579 &define_compiler_variable ($languages{'c'})
1580 unless defined $done{$languages{'c'}};
1581 define_linker_variable ($languages{'c'});
1586 # append_exeext { PREDICATE } $MACRO
1587 # ----------------------------------
1588 # Append $(EXEEXT) to each filename in $F appearing in the Makefile
1589 # variable $MACRO if &PREDICATE($F) is true. @substitutions@ are
1592 # This is typically used on all filenames of *_PROGRAMS, and filenames
1593 # of TESTS that are programs.
1594 sub append_exeext (&$)
1596 my ($pred, $macro) = @_;
1598 transform_variable_recursively
1599 ($macro, $macro, 'am__EXEEXT', 0, INTERNAL,
1601 my ($subvar, $val, $cond, $full_cond) = @_;
1602 # Append $(EXEEXT) unless the user did it already, or it's a
1605 if $val !~ /(?:\$\(EXEEXT\)$|^[@]\w+[@]$)/ && &$pred ($val);
1611 # Check to make sure a source defined in LIBOBJS is not explicitly
1612 # mentioned. This is a separate function (as opposed to being inlined
1613 # in handle_source_transform) because it isn't always appropriate to
1615 sub check_libobjs_sources
1617 my ($one_file, $unxformed) = @_;
1619 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1620 'dist_EXTRA_', 'nodist_EXTRA_')
1623 my $varname = $prefix . $one_file . '_SOURCES';
1624 my $var = var ($varname);
1627 @files = $var->value_as_list_recursive;
1629 elsif ($prefix eq '')
1631 @files = ($unxformed . '.c');
1638 foreach my $file (@files)
1640 err_var ($prefix . $one_file . '_SOURCES',
1641 "automatically discovered file '$file' should not" .
1642 " be explicitly mentioned")
1643 if defined $libsources{$file};
1650 # handle_single_transform ($VAR, $TOPPARENT, $DERIVED, $OBJ, $FILE, %TRANSFORM)
1651 # -----------------------------------------------------------------------------
1652 # Does much of the actual work for handle_source_transform.
1654 # $VAR is the name of the variable that the source filenames come from
1655 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1656 # $DERIVED is the name of resulting executable or library
1657 # $OBJ is the object extension (e.g., '.lo')
1658 # $FILE the source file to transform
1659 # %TRANSFORM contains extras arguments to pass to file_contents
1660 # when producing explicit rules
1661 # Result is a list of the names of objects
1662 # %linkers_used will be updated with any linkers needed
1663 sub handle_single_transform ($$$$$%)
1665 my ($var, $topparent, $derived, $obj, $_file, %transform) = @_;
1666 my @files = ($_file);
1669 # Turn sources into objects. We use a while loop like this
1670 # because we might add to @files in the loop.
1671 while (scalar @files > 0)
1675 # Configure substitutions in _SOURCES variables are errors.
1678 my $parent_msg = '';
1679 $parent_msg = "\nand is referred to from '$topparent'"
1680 if $topparent ne $var->name;
1682 "'" . $var->name . "' includes configure substitution '$_'"
1683 . $parent_msg . ";\nconfigure " .
1684 "substitutions are not allowed in _SOURCES variables");
1688 # If the source file is in a subdirectory then the '.o' is put
1689 # into the current directory, unless the subdir-objects option
1692 # Split file name into base and extension.
1693 next if ! /^(?:(.*)\/)?([^\/]*)($KNOWN_EXTENSIONS_PATTERN)$/;
1695 my $directory = $1 || '';
1699 # We must generate a rule for the object if it requires its own flags.
1701 my ($linker, $object);
1703 # This records whether we've seen a derived source file (e.g.
1705 my $derived_source = 0;
1707 # This holds the 'aggregate context' of the file we are
1708 # currently examining. If the file is compiled with
1709 # per-object flags, then it will be the name of the object.
1710 # Otherwise it will be 'AM'. This is used by the target hook
1711 # language function.
1712 my $aggregate = 'AM';
1714 $extension = &derive_suffix ($extension, $obj);
1716 if ($extension_map{$extension} &&
1717 ($lang = $languages{$extension_map{$extension}}))
1719 # Found the language, so see what it says.
1720 &saw_extension ($extension);
1722 # Do we have per-executable flags for this executable?
1723 my $have_per_exec_flags = 0;
1724 my @peflags = @{$lang->flags};
1725 push @peflags, 'LIBTOOLFLAGS' if $obj eq '.lo';
1726 foreach my $flag (@peflags)
1728 if (set_seen ("${derived}_$flag"))
1730 $have_per_exec_flags = 1;
1735 # Note: computed subr call. The language rewrite function
1736 # should return one of the LANG_* constants. It could
1737 # also return a list whose first value is such a constant
1738 # and whose second value is a new source extension which
1739 # should be applied. This means this particular language
1740 # generates another source file which we must then process
1742 my $subr = \&{'lang_' . $lang->name . '_rewrite'};
1743 defined &$subr or $subr = \&lang_sub_obj;
1744 my ($r, $source_extension)
1745 = &$subr ($directory, $base, $extension,
1746 $obj, $have_per_exec_flags, $var);
1747 # Skip this entry if we were asked not to process it.
1748 next if $r == LANG_IGNORE;
1750 # Now extract linker and other info.
1751 $linker = $lang->linker;
1754 if (defined $source_extension)
1756 $this_obj_ext = $source_extension;
1757 $derived_source = 1;
1761 $this_obj_ext = $obj;
1763 $object = $base . $this_obj_ext;
1765 if ($have_per_exec_flags)
1767 # We have a per-executable flag in effect for this
1768 # object. In this case we rewrite the object's
1769 # name to ensure it is unique.
1771 # We choose the name 'DERIVED_OBJECT' to ensure
1772 # (1) uniqueness, and (2) continuity between
1773 # invocations. However, this will result in a
1774 # name that is too long for losing systems, in
1775 # some situations. So we provide _SHORTNAME to
1778 my $dname = $derived;
1779 my $var = var ($derived . '_SHORTNAME');
1782 # FIXME: should use the same Condition as
1783 # the _SOURCES variable. But this is really
1784 # silly overkill -- nobody should have
1785 # conditional shortnames.
1786 $dname = $var->variable_value;
1788 $object = $dname . '-' . $object;
1790 prog_error ($lang->name . " flags defined without compiler")
1791 if ! defined $lang->compile;
1796 # If rewrite said it was ok, put the object into a
1798 if ($r == LANG_SUBDIR && $directory ne '')
1800 $object = $directory . '/' . $object;
1803 # If the object file has been renamed (because per-target
1804 # flags are used) we cannot compile the file with an
1805 # inference rule: we need an explicit rule.
1807 # If the source is in a subdirectory and the object is in
1808 # the current directory, we also need an explicit rule.
1810 # If both source and object files are in a subdirectory
1811 # (this happens when the subdir-objects option is used),
1812 # then the inference will work.
1814 # The latter case deserves a historical note. When the
1815 # subdir-objects option was added on 1999-04-11 it was
1816 # thought that inferences rules would work for
1817 # subdirectory objects too. Later, on 1999-11-22,
1818 # automake was changed to output explicit rules even for
1819 # subdir-objects. Nobody remembers why, but this occurred
1820 # soon after the merge of the user-dep-gen-branch so it
1821 # might be related. In late 2003 people complained about
1822 # the size of the generated Makefile.ins (libgcj, with
1823 # 2200+ subdir objects was reported to have a 9MB
1824 # Makefile), so we now rely on inference rules again.
1825 # Maybe we'll run across the same issue as in the past,
1826 # but at least this time we can document it. However since
1827 # dependency tracking has evolved it is possible that
1828 # our old problem no longer exists.
1829 # Using inference rules for subdir-objects has been tested
1830 # with GNU make, Solaris make, Ultrix make, BSD make,
1831 # HP-UX make, and OSF1 make successfully.
1833 || ($directory ne '' && ! option 'subdir-objects')
1834 # We must also use specific rules for a nodist_ source
1835 # if its language requests it.
1836 || ($lang->nodist_specific && ! $transform{'DIST_SOURCE'}))
1838 my $obj_sans_ext = substr ($object, 0,
1839 - length ($this_obj_ext));
1841 if ($directory ne '')
1843 $full_ansi = $directory . '/' . $base . $extension;
1847 $full_ansi = $base . $extension;
1850 my @specifics = ($full_ansi, $obj_sans_ext,
1851 # Only use $this_obj_ext in the derived
1852 # source case because in the other case we
1853 # *don't* want $(OBJEXT) to appear here.
1854 ($derived_source ? $this_obj_ext : '.o'),
1857 # If we renamed the object then we want to use the
1858 # per-executable flag name. But if this is simply a
1859 # subdir build then we still want to use the AM_ flag
1863 unshift @specifics, $derived;
1864 $aggregate = $derived;
1868 unshift @specifics, 'AM';
1871 # Each item on this list is a reference to a list consisting
1872 # of four values followed by additional transform flags for
1873 # file_contents. The four values are the derived flag prefix
1874 # (e.g. for 'foo_CFLAGS', it is 'foo'), the name of the
1875 # source file, the base name of the output file, and
1876 # the extension for the object file.
1877 push (@{$lang_specific_files{$lang->name}},
1878 [@specifics, %transform]);
1881 elsif ($extension eq $obj)
1883 # This is probably the result of a direct suffix rule.
1884 # In this case we just accept the rewrite.
1885 $object = "$base$extension";
1886 $object = "$directory/$object" if $directory ne '';
1891 # No error message here. Used to have one, but it was
1893 # FIXME: we could potentially do more processing here,
1894 # perhaps treating the new extension as though it were a
1895 # new source extension (as above). This would require
1896 # more restructuring than is appropriate right now.
1900 err_am "object '$object' created by '$full' and '$object_map{$object}'"
1901 if (defined $object_map{$object}
1902 && $object_map{$object} ne $full);
1904 my $comp_val = (($object =~ /\.lo$/)
1905 ? COMPILE_LIBTOOL : COMPILE_ORDINARY);
1906 (my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
1907 if (defined $object_compilation_map{$comp_obj}
1908 && $object_compilation_map{$comp_obj} != 0
1909 # Only see the error once.
1910 && ($object_compilation_map{$comp_obj}
1911 != (COMPILE_LIBTOOL | COMPILE_ORDINARY))
1912 && $object_compilation_map{$comp_obj} != $comp_val)
1914 err_am "object '$comp_obj' created both with libtool and without";
1916 $object_compilation_map{$comp_obj} |= $comp_val;
1920 # Let the language do some special magic if required.
1921 $lang->target_hook ($aggregate, $object, $full, %transform);
1924 if ($derived_source)
1926 prog_error ($lang->name . " has automatic dependency tracking")
1927 if $lang->autodep ne 'no';
1928 # Make sure this new source file is handled next. That will
1929 # make it appear to be at the right place in the list.
1930 unshift (@files, $object);
1931 # Distribute derived sources unless the source they are
1932 # derived from is not.
1933 &push_dist_common ($object)
1934 unless ($topparent =~ /^(?:nobase_)?nodist_/);
1938 $linkers_used{$linker} = 1;
1940 push (@result, $object);
1942 if (! defined $object_map{$object})
1945 $object_map{$object} = $full;
1947 # If resulting object is in subdir, we need to make
1948 # sure the subdir exists at build time.
1949 if ($object =~ /\//)
1951 # FIXME: check that $DIRECTORY is somewhere in the
1954 # For Java, the way we're handling it right now, a
1955 # '..' component doesn't make sense.
1956 if ($lang && $lang->name eq 'java' && $object =~ /(\/|^)\.\.\//)
1958 err_am "'$full' should not contain a '..' component";
1961 # Make sure *all* objects files in the subdirectory are
1962 # removed by "make mostlyclean". Not only this is more
1963 # efficient than listing the object files to be removed
1964 # individually (which would cause an 'rm' invocation for
1965 # each of them -- very inefficient, see bug#10697), it
1966 # would also leave stale object files in the subdirectory
1967 # whenever a source file there is removed or renamed.
1968 $compile_clean_files{"$directory/*.\$(OBJEXT)"} = MOSTLY_CLEAN;
1969 if ($object =~ /\.lo$/)
1971 # If we have a libtool object, then we also must remove
1972 # any '.lo' objects in its same subdirectory.
1973 $compile_clean_files{"$directory/*.lo"} = MOSTLY_CLEAN;
1974 # Remember to cleanup .libs/ in this directory.
1975 $libtool_clean_directories{$directory} = 1;
1978 push (@dep_list, require_build_directory ($directory));
1980 # If we're generating dependencies, we also want
1981 # to make sure that the appropriate subdir of the
1982 # .deps directory is created.
1984 require_build_directory ($directory . '/$(DEPDIR)'))
1985 unless option 'no-dependencies';
1988 &pretty_print_rule ($object . ':', "\t", @dep_list)
1989 if scalar @dep_list > 0;
1992 # Transform .o or $o file into .P file (for automatic
1994 # Properly flatten multiple adjacent slashes, as Solaris 10 make
1995 # might fail over them in an include statement.
1996 # Leading double slashes may be special, as per Posix, so deal
1997 # with them carefully.
1998 if ($lang && $lang->autodep ne 'no')
2000 my $depfile = $object;
2001 $depfile =~ s/\.([^.]*)$/.P$1/;
2002 $depfile =~ s/\$\(OBJEXT\)$/o/;
2003 my $maybe_extra_leading_slash = '';
2004 $maybe_extra_leading_slash = '/' if $depfile =~ m,^//[^/],;
2005 $depfile =~ s,/+,/,g;
2006 my $basename = basename ($depfile);
2007 # This might make $dirname empty, but we account for that below.
2008 (my $dirname = dirname ($depfile)) =~ s/\/*$//;
2009 $dirname = $maybe_extra_leading_slash . $dirname;
2010 $dep_files{$dirname . '/$(DEPDIR)/' . $basename} = 1;
2019 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
2020 # $OBJ, $PARENT, $TOPPARENT, $WHERE, %TRANSFORM)
2021 # ---------------------------------------------------------------------------
2022 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
2025 # $VAR is the name of the _SOURCES variable
2026 # $OBJVAR is the name of the _OBJECTS variable if known (otherwise
2027 # it will be generated and returned).
2028 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
2029 # work done to determine the linker will be).
2030 # $ONE_FILE is the canonical (transformed) name of object to build
2031 # $OBJ is the object extension (i.e. either '.o' or '.lo').
2032 # $TOPPARENT is the _SOURCES variable being processed.
2033 # $WHERE context into which this definition is done
2034 # %TRANSFORM extra arguments to pass to file_contents when producing
2037 # Result is a pair ($LINKER, $OBJVAR):
2038 # $LINKER is a boolean, true if a linker is needed to deal with the objects
2039 sub define_objects_from_sources ($$$$$$$%)
2041 my ($var, $objvar, $nodefine, $one_file,
2042 $obj, $topparent, $where, %transform) = @_;
2044 my $needlinker = "";
2046 transform_variable_recursively
2047 ($var, $objvar, 'am__objects', $nodefine, $where,
2048 # The transform code to run on each filename.
2050 my ($subvar, $val, $cond, $full_cond) = @_;
2051 my @trans = handle_single_transform ($subvar, $topparent,
2052 $one_file, $obj, $val,
2054 $needlinker = "true" if @trans;
2062 # handle_source_transform ($CANON_TARGET, $TARGET, $OBJEXT, $WHERE, %TRANSFORM)
2063 # -----------------------------------------------------------------------------
2064 # Handle SOURCE->OBJECT transform for one program or library.
2066 # canonical (transformed) name of target to build
2067 # actual target of object to build
2068 # object extension (i.e., either '.o' or '$o')
2069 # location of the source variable
2070 # extra arguments to pass to file_contents when producing rules
2071 # Return the name of the linker variable that must be used.
2072 # Empty return means just use 'LINK'.
2073 sub handle_source_transform ($$$$%)
2075 # one_file is canonical name. unxformed is given name. obj is
2077 my ($one_file, $unxformed, $obj, $where, %transform) = @_;
2081 # No point in continuing if _OBJECTS is defined.
2082 return if reject_var ($one_file . '_OBJECTS',
2083 $one_file . '_OBJECTS should not be defined');
2088 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
2089 'dist_EXTRA_', 'nodist_EXTRA_')
2091 my $varname = $prefix . $one_file . "_SOURCES";
2092 my $var = var $varname;
2095 # We are going to define _OBJECTS variables using the prefix.
2096 # Then we glom them all together. So we can't use the null
2097 # prefix here as we need it later.
2098 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
2100 # Keep track of which prefixes we saw.
2101 $used_pfx{$xpfx} = 1
2102 unless $prefix =~ /EXTRA_/;
2104 push @sources, "\$($varname)";
2105 push @dist_sources, shadow_unconditionally ($varname, $where)
2106 unless (option ('no-dist') || $prefix =~ /^nodist_/);
2109 define_objects_from_sources ($varname,
2110 $xpfx . $one_file . '_OBJECTS',
2111 $prefix =~ /EXTRA_/,
2112 $one_file, $obj, $varname, $where,
2113 DIST_SOURCE => ($prefix !~ /^nodist_/),
2118 $linker ||= &resolve_linker (%linkers_used);
2121 my @keys = sort keys %used_pfx;
2122 if (scalar @keys == 0)
2124 # The default source for libfoo.la is libfoo.c, but for
2125 # backward compatibility we first look at libfoo_la.c,
2126 # if no default source suffix is given.
2127 my $old_default_source = "$one_file.c";
2128 my $ext_var = var ('AM_DEFAULT_SOURCE_EXT');
2129 my $default_source_ext = $ext_var ? variable_value ($ext_var) : '.c';
2130 msg_var ('unsupported', $ext_var, $ext_var->name . " can assume at most one value")
2131 if $default_source_ext =~ /[\t ]/;
2132 (my $default_source = $unxformed) =~ s,(\.[^./\\]*)?$,$default_source_ext,;
2133 if ($old_default_source ne $default_source
2135 && (rule $old_default_source
2136 || rule '$(srcdir)/' . $old_default_source
2137 || rule '${srcdir}/' . $old_default_source
2138 || -f $old_default_source))
2140 my $loc = $where->clone;
2142 msg ('obsolete', $loc,
2143 "the default source for '$unxformed' has been changed "
2144 . "to '$default_source'.\n(Using '$old_default_source' for "
2145 . "backward compatibility.)");
2146 $default_source = $old_default_source;
2148 # If a rule exists to build this source with a $(srcdir)
2149 # prefix, use that prefix in our variables too. This is for
2150 # the sake of BSD Make.
2151 if (rule '$(srcdir)/' . $default_source
2152 || rule '${srcdir}/' . $default_source)
2154 $default_source = '$(srcdir)/' . $default_source;
2157 &define_variable ($one_file . "_SOURCES", $default_source, $where);
2158 push (@sources, $default_source);
2159 push (@dist_sources, $default_source);
2163 handle_single_transform ($one_file . '_SOURCES',
2164 $one_file . '_SOURCES',
2166 $default_source, %transform);
2167 $linker ||= &resolve_linker (%linkers_used);
2168 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @result);
2172 @keys = map { '$(' . $_ . $one_file . '_OBJECTS)' } @keys;
2173 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @keys);
2176 # If we want to use 'LINK' we must make sure it is defined.
2186 # handle_lib_objects ($XNAME, $VAR)
2187 # ---------------------------------
2188 # Special-case ALLOCA and LIBOBJS substitutions in _LDADD or _LIBADD variables.
2189 # Also, generate _DEPENDENCIES variable if appropriate.
2191 # transformed name of object being built, or empty string if no object
2192 # name of _LDADD/_LIBADD-type variable to examine
2193 # Returns 1 if LIBOBJS seen, 0 otherwise.
2194 sub handle_lib_objects
2196 my ($xname, $varname) = @_;
2198 my $var = var ($varname);
2199 prog_error "'$varname' undefined"
2201 prog_error "unexpected variable name '$varname'"
2202 unless $varname =~ /^(.*)(?:LIB|LD)ADD$/;
2203 my $prefix = $1 || 'AM_';
2205 my $seen_libobjs = 0;
2208 transform_variable_recursively
2209 ($varname, $xname . '_DEPENDENCIES', 'am__DEPENDENCIES',
2211 # Transformation function, run on each filename.
2213 my ($subvar, $val, $cond, $full_cond) = @_;
2217 # Skip -lfoo and -Ldir silently; these are explicitly allowed.
2218 if ($val !~ /^-[lL]/ &&
2219 # Skip -dlopen and -dlpreopen; these are explicitly allowed
2220 # for Libtool libraries or programs. (Actually we are a bit
2221 # lax here since this code also applies to non-libtool
2222 # libraries or programs, for which -dlopen and -dlopreopen
2223 # are pure nonsense. Diagnosing this doesn't seem very
2224 # important: the developer will quickly get complaints from
2226 $val !~ /^-dl(?:pre)?open$/ &&
2227 # Only get this error once.
2231 # FIXME: should display a stack of nested variables
2232 # as context when $var != $subvar.
2233 err_var ($var, "linker flags such as '$val' belong in "
2234 . "'${prefix}LDFLAGS'");
2238 elsif ($val !~ /^\@.*\@$/)
2240 # Assume we have a file of some sort, and output it into the
2241 # dependency variable. Autoconf substitutions are not output;
2242 # rarely is a new dependency substituted into e.g. foo_LDADD
2243 # -- but bad things (e.g. -lX11) are routinely substituted.
2244 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
2245 # and handled specially below.
2248 elsif ($val =~ /^\@(LT)?LIBOBJS\@$/)
2250 handle_LIBOBJS ($subvar, $cond, $1);
2254 elsif ($val =~ /^\@(LT)?ALLOCA\@$/)
2256 handle_ALLOCA ($subvar, $cond, $1);
2265 return $seen_libobjs;
2268 # handle_LIBOBJS_or_ALLOCA ($VAR)
2269 # -------------------------------
2270 # Definitions common to LIBOBJS and ALLOCA.
2271 # VAR should be one of LIBOBJS, LTLIBOBJS, ALLOCA, or LTALLOCA.
2272 sub handle_LIBOBJS_or_ALLOCA ($)
2278 # If LIBOBJS files must be built in another directory we have
2279 # to define LIBOBJDIR and ensure the files get cleaned.
2280 # Otherwise LIBOBJDIR can be left undefined, and the cleaning
2281 # is achieved by 'rm -f *.$(OBJEXT)' in compile.am.
2282 if ($config_libobj_dir
2283 && $relative_dir ne $config_libobj_dir)
2285 if (option 'subdir-objects')
2287 # In the top-level Makefile we do not use $(top_builddir), because
2288 # we are already there, and since the targets are built without
2289 # a $(top_builddir), it helps BSD Make to match them with
2291 $dir = "$config_libobj_dir/"
2292 if $config_libobj_dir ne '.';
2293 $dir = backname ($relative_dir) . "/$dir"
2294 if $relative_dir ne '.';
2295 define_variable ('LIBOBJDIR', "$dir", INTERNAL);
2296 $clean_files{"\$($var)"} = MOSTLY_CLEAN;
2297 # If LTLIBOBJS is used, we must also clear LIBOBJS (which might
2298 # be created by libtool as a side-effect of creating LTLIBOBJS).
2299 $clean_files{"\$($var)"} = MOSTLY_CLEAN if $var =~ s/^LT//;
2303 error ("'\$($var)' cannot be used outside '$config_libobj_dir' if"
2304 . " 'subdir-objects' is not set");
2311 sub handle_LIBOBJS ($$$)
2313 my ($var, $cond, $lt) = @_;
2314 my $myobjext = $lt ? 'lo' : 'o';
2317 $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
2318 if ! keys %libsources;
2320 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}LIBOBJS";
2322 foreach my $iter (keys %libsources)
2324 if ($iter =~ /\.[cly]$/)
2326 &saw_extension ($&);
2327 &saw_extension ('.c');
2330 if ($iter =~ /\.h$/)
2332 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2334 elsif ($iter ne 'alloca.c')
2336 my $rewrite = $iter;
2337 $rewrite =~ s/\.c$/.P$myobjext/;
2338 $dep_files{$dir . '$(DEPDIR)/' . $rewrite} = 1;
2339 $rewrite = "^" . quotemeta ($iter) . "\$";
2340 # Only require the file if it is not a built source.
2341 my $bs = var ('BUILT_SOURCES');
2342 if (! $bs || ! grep (/$rewrite/, $bs->value_as_list_recursive))
2344 require_libsource_with_macro ($cond, $var, FOREIGN, $iter);
2350 sub handle_ALLOCA ($$$)
2352 my ($var, $cond, $lt) = @_;
2353 my $myobjext = $lt ? 'lo' : 'o';
2355 my $dir = handle_LIBOBJS_or_ALLOCA "${lt}ALLOCA";
2357 $var->requires_variables ("\@${lt}ALLOCA\@ used", $lt . 'ALLOCA');
2358 $dep_files{$dir . '$(DEPDIR)/alloca.P' . $myobjext} = 1;
2359 require_libsource_with_macro ($cond, $var, FOREIGN, 'alloca.c');
2360 &saw_extension ('.c');
2363 # Canonicalize the input parameter
2367 $string =~ tr/A-Za-z0-9_\@/_/c;
2371 # Canonicalize a name, and check to make sure the non-canonical name
2372 # is never used. Returns canonical name. Arguments are name and a
2373 # list of suffixes to check for.
2374 sub check_canonical_spelling
2376 my ($name, @suffixes) = @_;
2378 my $xname = &canonicalize ($name);
2379 if ($xname ne $name)
2381 foreach my $xt (@suffixes)
2383 reject_var ("$name$xt", "use '$xname$xt', not '$name$xt'");
2393 # Set up the compile suite.
2394 sub handle_compile ()
2396 return if ! $must_handle_compiled_objects;
2399 my $default_includes = '';
2400 if (! option 'nostdinc')
2402 my @incs = ('-I.', subst ('am__isrc'));
2404 my $var = var 'CONFIG_HEADER';
2407 foreach my $hdr (split (' ', $var->variable_value))
2409 push @incs, '-I' . dirname ($hdr);
2412 # We want '-I. -I$(srcdir)', but the latter -I is redundant
2413 # and unaesthetic in non-VPATH builds. We use `-I.@am__isrc@`
2414 # instead. It will be replaced by '-I.' or '-I. -I$(srcdir)'.
2415 # Items in CONFIG_HEADER are never in $(srcdir) so it is safe
2416 # to just put @am__isrc@ right after '-I.', without a space.
2417 ($default_includes = ' ' . uniq (@incs)) =~ s/ @/@/;
2420 my (@mostly_rms, @dist_rms);
2421 foreach my $item (sort keys %compile_clean_files)
2423 if ($compile_clean_files{$item} == MOSTLY_CLEAN)
2425 push (@mostly_rms, "\t-rm -f $item");
2427 elsif ($compile_clean_files{$item} == DIST_CLEAN)
2429 push (@dist_rms, "\t-rm -f $item");
2433 prog_error 'invalid entry in %compile_clean_files';
2437 my ($coms, $vars, $rules) =
2438 &file_contents_internal (1, "$libdir/am/compile.am",
2439 new Automake::Location,
2440 ('DEFAULT_INCLUDES' => $default_includes,
2441 'MOSTLYRMS' => join ("\n", @mostly_rms),
2442 'DISTRMS' => join ("\n", @dist_rms)));
2443 $output_vars .= $vars;
2444 $output_rules .= "$coms$rules";
2449 # Handle libtool rules.
2452 return unless var ('LIBTOOL');
2454 # Libtool requires some files, but only at top level.
2455 # (Starting with Libtool 2.0 we do not have to bother. These
2456 # requirements are done with AC_REQUIRE_AUX_FILE.)
2457 require_conf_file_with_macro (TRUE, 'LIBTOOL', FOREIGN, @libtool_files)
2458 if $relative_dir eq '.' && ! $libtool_new_api;
2461 foreach my $item (sort keys %libtool_clean_directories)
2463 my $dir = ($item eq '.') ? '' : "$item/";
2464 # .libs is for Unix, _libs for DOS.
2465 push (@libtool_rms, "\t-rm -rf ${dir}.libs ${dir}_libs");
2468 check_user_variables 'LIBTOOLFLAGS';
2470 # Output the libtool compilation rules.
2471 $output_rules .= &file_contents ('libtool',
2472 new Automake::Location,
2473 LTRMS => join ("\n", @libtool_rms));
2476 # handle_programs ()
2477 # ------------------
2478 # Handle C programs.
2481 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2482 'bin', 'sbin', 'libexec', 'pkglibexec',
2484 return if ! @proglist;
2485 $must_handle_compiled_objects = 1;
2487 my $seen_global_libobjs =
2488 var ('LDADD') && &handle_lib_objects ('', 'LDADD');
2490 foreach my $pair (@proglist)
2492 my ($where, $one_file) = @$pair;
2494 my $seen_libobjs = 0;
2495 my $obj = '.$(OBJEXT)';
2497 $known_programs{$one_file} = $where;
2499 # Canonicalize names and check for misspellings.
2500 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2501 '_SOURCES', '_OBJECTS',
2504 $where->push_context ("while processing program '$one_file'");
2505 $where->set (INTERNAL->get);
2507 my $linker = &handle_source_transform ($xname, $one_file, $obj, $where,
2508 NONLIBTOOL => 1, LIBTOOL => 0);
2510 if (var ($xname . "_LDADD"))
2512 $seen_libobjs = &handle_lib_objects ($xname, $xname . '_LDADD');
2516 # User didn't define prog_LDADD override. So do it.
2517 &define_variable ($xname . '_LDADD', '$(LDADD)', $where);
2519 # This does a bit too much work. But we need it to
2520 # generate _DEPENDENCIES when appropriate.
2523 $seen_libobjs = &handle_lib_objects ($xname, 'LDADD');
2527 reject_var ($xname . '_LIBADD',
2528 "use '${xname}_LDADD', not '${xname}_LIBADD'");
2530 set_seen ($xname . '_DEPENDENCIES');
2531 set_seen ('EXTRA_' . $xname . '_DEPENDENCIES');
2532 set_seen ($xname . '_LDFLAGS');
2534 # Determine program to use for link.
2535 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xname);
2536 $vlink = verbose_flag ($vlink || 'GEN');
2538 # If the resulting program lies into a subdirectory,
2539 # make sure this directory will exist.
2540 my $dirstamp = require_build_directory_maybe ($one_file);
2542 $libtool_clean_directories{dirname ($one_file)} = 1;
2544 $output_rules .= &file_contents ('program',
2546 PROGRAM => $one_file,
2550 DIRSTAMP => $dirstamp,
2551 EXEEXT => '$(EXEEXT)');
2553 if ($seen_libobjs || $seen_global_libobjs)
2555 if (var ($xname . '_LDADD'))
2557 &check_libobjs_sources ($xname, $xname . '_LDADD');
2559 elsif (var ('LDADD'))
2561 &check_libobjs_sources ($xname, 'LDADD');
2568 # handle_libraries ()
2569 # -------------------
2571 sub handle_libraries
2573 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2574 'lib', 'pkglib', 'noinst', 'check');
2575 return if ! @liblist;
2576 $must_handle_compiled_objects = 1;
2578 my @prefix = am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2583 my $var = rvar ($prefix[0] . '_LIBRARIES');
2584 $var->requires_variables ('library used', 'RANLIB');
2587 &define_variable ('AR', 'ar', INTERNAL);
2588 &define_variable ('ARFLAGS', 'cru', INTERNAL);
2589 &define_verbose_tagvar ('AR');
2591 foreach my $pair (@liblist)
2593 my ($where, $onelib) = @$pair;
2595 my $seen_libobjs = 0;
2596 # Check that the library fits the standard naming convention.
2597 my $bn = basename ($onelib);
2598 if ($bn !~ /^lib.*\.a$/)
2600 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.a/;
2601 my $suggestion = dirname ($onelib) . "/$bn";
2602 $suggestion =~ s|^\./||g;
2603 msg ('error-gnu/warn', $where,
2604 "'$onelib' is not a standard library name\n"
2605 . "did you mean '$suggestion'?")
2608 ($known_libraries{$onelib} = $bn) =~ s/\.a$//;
2610 $where->push_context ("while processing library '$onelib'");
2611 $where->set (INTERNAL->get);
2613 my $obj = '.$(OBJEXT)';
2615 # Canonicalize names and check for misspellings.
2616 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2617 '_OBJECTS', '_DEPENDENCIES',
2620 if (! var ($xlib . '_AR'))
2622 &define_variable ($xlib . '_AR', '$(AR) $(ARFLAGS)', $where);
2625 # Generate support for conditional object inclusion in
2627 if (var ($xlib . '_LIBADD'))
2629 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2636 &define_variable ($xlib . "_LIBADD", '', $where);
2639 reject_var ($xlib . '_LDADD',
2640 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2642 # Make sure we at look at this.
2643 set_seen ($xlib . '_DEPENDENCIES');
2644 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2646 &handle_source_transform ($xlib, $onelib, $obj, $where,
2647 NONLIBTOOL => 1, LIBTOOL => 0);
2649 # If the resulting library lies into a subdirectory,
2650 # make sure this directory will exist.
2651 my $dirstamp = require_build_directory_maybe ($onelib);
2652 my $verbose = verbose_flag ('AR');
2653 my $silent = silent_flag ();
2655 $output_rules .= &file_contents ('library',
2657 VERBOSE => $verbose,
2661 DIRSTAMP => $dirstamp);
2665 if (var ($xlib . '_LIBADD'))
2667 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2673 msg ('extra-portability', $where,
2674 "'$onelib': linking libraries using a non-POSIX\n"
2675 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2681 # handle_ltlibraries ()
2682 # ---------------------
2683 # Handle shared libraries.
2684 sub handle_ltlibraries
2686 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2687 'noinst', 'lib', 'pkglib', 'check');
2688 return if ! @liblist;
2689 $must_handle_compiled_objects = 1;
2691 my @prefix = am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2696 my $var = rvar ($prefix[0] . '_LTLIBRARIES');
2697 $var->requires_variables ('Libtool library used', 'LIBTOOL');
2701 my %instsubdirs = ();
2703 my %liblocations = (); # Location (in Makefile.am) of each library.
2705 foreach my $key (@prefix)
2707 # Get the installation directory of each library.
2709 my $strip_subdir = 1;
2710 if ($dir =~ /^nobase_/)
2712 $dir =~ s/^nobase_//;
2715 my $var = rvar ($key . '_LTLIBRARIES');
2717 # We reject libraries which are installed in several places
2718 # in the same condition, because we can only specify one
2720 $var->traverse_recursively
2723 my ($var, $val, $cond, $full_cond) = @_;
2724 my $hcond = $full_cond->human;
2725 my $where = $var->rdef ($cond)->location;
2727 $ldir = '/' . dirname ($val)
2728 if (!$strip_subdir);
2729 # A library cannot be installed in different directories
2730 # in overlapping conditions.
2731 if (exists $instconds{$val})
2734 $instconds{$val}->ambiguous_p ($val, $full_cond);
2738 error ($where, $msg, partial => 1);
2739 my $dirtxt = "installed " . ($strip_subdir ? "in" : "below") . " '$dir'";
2740 $dirtxt = "built for '$dir'"
2741 if $dir eq 'EXTRA' || $dir eq 'noinst' || $dir eq 'check';
2743 $full_cond->true ? "" : " in condition $hcond";
2745 error ($where, "'$val' should be $dirtxt$dircond ...",
2748 my $hacond = $acond->human;
2749 my $adir = $instdirs{$val}{$acond};
2750 my $adirtxt = "installed in '$adir'";
2751 $adirtxt = "built for '$adir'"
2752 if ($adir eq 'EXTRA' || $adir eq 'noinst'
2753 || $adir eq 'check');
2754 my $adircond = $acond->true ? "" : " in condition $hacond";
2756 my $onlyone = ($dir ne $adir) ?
2757 ("\nLibtool libraries can be built for only one "
2758 . "destination") : "";
2760 error ($liblocations{$val}{$acond},
2761 "... and should also be $adirtxt$adircond.$onlyone");
2767 $instconds{$val} = new Automake::DisjConditions;
2769 $instdirs{$val}{$full_cond} = $dir;
2770 $instsubdirs{$val}{$full_cond} = $ldir;
2771 $liblocations{$val}{$full_cond} = $where;
2772 $instconds{$val} = $instconds{$val}->merge ($full_cond);
2778 skip_ac_subst => 1);
2781 foreach my $pair (@liblist)
2783 my ($where, $onelib) = @$pair;
2785 my $seen_libobjs = 0;
2788 # Canonicalize names and check for misspellings.
2789 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2790 '_SOURCES', '_OBJECTS',
2793 # Check that the library fits the standard naming convention.
2794 my $libname_rx = '^lib.*\.la';
2795 my $ldvar = var ("${xlib}_LDFLAGS") || var ('AM_LDFLAGS');
2796 my $ldvar2 = var ('LDFLAGS');
2797 if (($ldvar && grep (/-module/, $ldvar->value_as_list_recursive))
2798 || ($ldvar2 && grep (/-module/, $ldvar2->value_as_list_recursive)))
2800 # Relax name checking for libtool modules.
2801 $libname_rx = '\.la';
2804 my $bn = basename ($onelib);
2805 if ($bn !~ /$libname_rx$/)
2807 my $type = 'library';
2808 if ($libname_rx eq '\.la')
2810 $bn =~ s/^(lib|)(.*?)(?:\.[^.]*)?$/$1$2.la/;
2815 $bn =~ s/^(?:lib)?(.*?)(?:\.[^.]*)?$/lib$1.la/;
2817 my $suggestion = dirname ($onelib) . "/$bn";
2818 $suggestion =~ s|^\./||g;
2819 msg ('error-gnu/warn', $where,
2820 "'$onelib' is not a standard libtool $type name\n"
2821 . "did you mean '$suggestion'?")
2824 ($known_libraries{$onelib} = $bn) =~ s/\.la$//;
2826 $where->push_context ("while processing Libtool library '$onelib'");
2827 $where->set (INTERNAL->get);
2829 # Make sure we look at these.
2830 set_seen ($xlib . '_LDFLAGS');
2831 set_seen ($xlib . '_DEPENDENCIES');
2832 set_seen ('EXTRA_' . $xlib . '_DEPENDENCIES');
2834 # Generate support for conditional object inclusion in
2836 if (var ($xlib . '_LIBADD'))
2838 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2845 &define_variable ($xlib . "_LIBADD", '', $where);
2848 reject_var ("${xlib}_LDADD",
2849 "use '${xlib}_LIBADD', not '${xlib}_LDADD'");
2852 my $linker = &handle_source_transform ($xlib, $onelib, $obj, $where,
2853 NONLIBTOOL => 0, LIBTOOL => 1);
2855 # Determine program to use for link.
2856 my($xlink, $vlink) = &define_per_target_linker_variable ($linker, $xlib);
2857 $vlink = verbose_flag ($vlink || 'GEN');
2859 my $rpathvar = "am_${xlib}_rpath";
2860 my $rpath = "\$($rpathvar)";
2861 foreach my $rcond ($instconds{$onelib}->conds)
2864 if ($instdirs{$onelib}{$rcond} eq 'EXTRA'
2865 || $instdirs{$onelib}{$rcond} eq 'noinst'
2866 || $instdirs{$onelib}{$rcond} eq 'check')
2868 # It's an EXTRA_ library, so we can't specify -rpath,
2869 # because we don't know where the library will end up.
2870 # The user probably knows, but generally speaking automake
2871 # doesn't -- and in fact configure could decide
2872 # dynamically between two different locations.
2877 $val = ('-rpath $(' . $instdirs{$onelib}{$rcond} . 'dir)');
2878 $val .= $instsubdirs{$onelib}{$rcond}
2879 if defined $instsubdirs{$onelib}{$rcond};
2883 # If $rcond is true there is only one condition and
2884 # there is no point defining an helper variable.
2889 define_pretty_variable ($rpathvar, $rcond, INTERNAL, $val);
2893 # If the resulting library lies into a subdirectory,
2894 # make sure this directory will exist.
2895 my $dirstamp = require_build_directory_maybe ($onelib);
2897 # Remember to cleanup .libs/ in this directory.
2898 my $dirname = dirname $onelib;
2899 $libtool_clean_directories{$dirname} = 1;
2901 $output_rules .= &file_contents ('ltlibrary',
2903 LTLIBRARY => $onelib,
2904 XLTLIBRARY => $xlib,
2908 DIRSTAMP => $dirstamp);
2911 if (var ($xlib . '_LIBADD'))
2913 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2919 msg ('extra-portability', $where,
2920 "'$onelib': linking libtool libraries using a non-POSIX\n"
2921 . "archiver requires 'AM_PROG_AR' in '$configure_ac'")
2926 # See if any _SOURCES variable were misspelled.
2929 # It is ok if the user sets this particular variable.
2930 set_seen 'AM_LDFLAGS';
2932 foreach my $primary ('SOURCES', 'LIBADD', 'LDADD', 'LDFLAGS', 'DEPENDENCIES')
2934 foreach my $var (variables $primary)
2936 my $varname = $var->name;
2937 # A configure variable is always legitimate.
2938 next if exists $configure_vars{$varname};
2940 for my $cond ($var->conditions->conds)
2942 $varname =~ /^(?:EXTRA_)?(?:nobase_)?(?:dist_|nodist_)?(.*)_[[:alnum:]]+$/;
2943 msg_var ('syntax', $var, "variable '$varname' is defined but no"
2944 . " program or\nlibrary has '$1' as canonical name"
2945 . " (possible typo)")
2946 unless $var->rdef ($cond)->seen;
2956 # NOTE we no longer automatically clean SCRIPTS, because it is
2957 # useful to sometimes distribute scripts verbatim. This happens
2958 # e.g. in Automake itself.
2959 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2960 'bin', 'sbin', 'libexec', 'pkglibexec', 'pkgdata',
2967 ## ------------------------ ##
2968 ## Handling Texinfo files. ##
2969 ## ------------------------ ##
2971 # ($OUTFILE, $VFILE)
2972 # &scan_texinfo_file ($FILENAME)
2973 # ------------------------------
2974 # $OUTFILE - name of the info file produced by $FILENAME.
2975 # $VFILE - name of the version.texi file used (undef if none).
2976 sub scan_texinfo_file ($)
2978 my ($filename) = @_;
2980 my $texi = new Automake::XFile "< $filename";
2981 verb "reading $filename";
2983 my ($outfile, $vfile);
2984 while ($_ = $texi->getline)
2986 if (/^\@setfilename +(\S+)/)
2988 # Honor only the first @setfilename. (It's possible to have
2989 # more occurrences later if the manual shows examples of how
2990 # to use @setfilename...)
2994 if ($outfile =~ /\.([^.]+)$/ && $1 ne 'info')
2996 error ("$filename:$.",
2997 "output '$outfile' has unrecognized extension");
3001 # A "version.texi" file is actually any file whose name matches
3003 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
3011 err_am "'$filename' missing \@setfilename";
3015 my $infobase = basename ($filename);
3016 $infobase =~ s/\.te?xi(nfo)?$//;
3017 return ($outfile, $vfile);
3021 # ($DIRSTAMP, @CLEAN_FILES)
3022 # output_texinfo_build_rules ($SOURCE, $DEST, $INSRC, @DEPENDENCIES)
3023 # ------------------------------------------------------------------
3024 # SOURCE - the source Texinfo file
3025 # DEST - the destination Info file
3026 # INSRC - whether DEST should be built in the source tree
3027 # DEPENDENCIES - known dependencies
3028 sub output_texinfo_build_rules ($$$@)
3030 my ($source, $dest, $insrc, @deps) = @_;
3032 # Split 'a.texi' into 'a' and '.texi'.
3033 my ($spfx, $ssfx) = ($source =~ /^(.*?)(\.[^.]*)?$/);
3034 my ($dpfx, $dsfx) = ($dest =~ /^(.*?)(\.[^.]*)?$/);
3039 # We can output two kinds of rules: the "generic" rules use Make
3040 # suffix rules and are appropriate when $source and $dest do not lie
3041 # in a sub-directory; the "specific" rules are needed in the other
3044 # The former are output only once (this is not really apparent here,
3045 # but just remember that some logic deeper in Automake will not
3046 # output the same rule twice); while the later need to be output for
3047 # each Texinfo source.
3050 my $sdir = dirname $source;
3051 if ($sdir eq '.' && dirname ($dest) eq '.')
3054 $makeinfoflags = '-I $(srcdir)';
3059 $makeinfoflags = "-I $sdir -I \$(srcdir)/$sdir";
3062 # A directory can contain two kinds of info files: some built in the
3063 # source tree, and some built in the build tree. The rules are
3064 # different in each case. However we cannot output two different
3065 # set of generic rules. Because in-source builds are more usual, we
3066 # use generic rules in this case and fall back to "specific" rules
3067 # for build-dir builds. (It should not be a problem to invert this
3069 $generic = 0 unless $insrc;
3071 # We cannot use a suffix rule to build info files with an empty
3072 # extension. Otherwise we would output a single suffix inference
3073 # rule, with separate dependencies, as in
3077 # foo.info: foo.texi
3079 # which confuse Solaris make. (See the Autoconf manual for
3080 # details.) Therefore we use a specific rule in this case. This
3081 # applies to info files only (dvi and pdf files always have an
3083 my $generic_info = ($generic && $dsfx) ? 1 : 0;
3085 # If the resulting file lie into a subdirectory,
3086 # make sure this directory will exist.
3087 my $dirstamp = require_build_directory_maybe ($dest);
3089 my $dipfx = ($insrc ? '$(srcdir)/' : '') . $dpfx;
3091 $output_rules .= file_contents ('texibuild',
3092 new Automake::Location,
3093 AM_V_MAKEINFO => verbose_flag('MAKEINFO'),
3094 AM_V_TEXI2DVI => verbose_flag('TEXI2DVI'),
3095 AM_V_TEXI2PDF => verbose_flag('TEXI2PDF'),
3097 DEST_PREFIX => $dpfx,
3098 DEST_INFO_PREFIX => $dipfx,
3099 DEST_SUFFIX => $dsfx,
3100 DIRSTAMP => $dirstamp,
3101 GENERIC => $generic,
3102 GENERIC_INFO => $generic_info,
3104 MAKEINFOFLAGS => $makeinfoflags,
3105 SILENT => silent_flag(),
3108 SOURCE_INFO => ($generic_info
3110 SOURCE_REAL => $source,
3111 SOURCE_SUFFIX => $ssfx,
3112 TEXIQUIET => verbose_flag('texinfo'),
3113 TEXIDEVNULL => verbose_flag('texidevnull'),
3115 return ($dirstamp, "$dpfx.dvi", "$dpfx.pdf", "$dpfx.ps", "$dpfx.html");
3119 # ($MOSTLYCLEAN, $TEXICLEAN, $MAINTCLEAN)
3120 # handle_texinfo_helper ($info_texinfos)
3121 # --------------------------------------
3122 # Handle all Texinfo source; helper for handle_texinfo.
3123 sub handle_texinfo_helper ($)
3125 my ($info_texinfos) = @_;
3126 my (@infobase, @info_deps_list, @texi_deps);
3129 my (@mostly_cleans, @texi_cleans, @maint_cleans) = ('', '', '');
3131 # Build a regex matching user-cleaned files.
3132 my $d = var 'DISTCLEANFILES';
3133 my $c = var 'CLEANFILES';
3135 push @f, $d->value_as_list_recursive (inner_expand => 1) if $d;
3136 push @f, $c->value_as_list_recursive (inner_expand => 1) if $c;
3137 @f = map { s|[^A-Za-z_0-9*\[\]\-]|\\$&|g; s|\*|[^/]*|g; $_; } @f;
3138 my $user_cleaned_files = '^(?:' . join ('|', @f) . ')$';
3141 ($info_texinfos->value_as_list_recursive (inner_expand => 1))
3143 my $infobase = $texi;
3144 $infobase =~ s/\.(txi|texinfo|texi)$//;
3146 if ($infobase eq $texi)
3148 # FIXME: report line number.
3149 err_am "texinfo file '$texi' has unrecognized extension";
3153 push @infobase, $infobase;
3155 # If 'version.texi' is referenced by input file, then include
3156 # automatic versioning capability.
3157 my ($out_file, $vtexi) =
3158 scan_texinfo_file ("$relative_dir/$texi")
3160 # Directory of auxiliary files and build by-products used by texi2dvi
3162 push @mostly_cleans, "$infobase.t2d";
3163 push @mostly_cleans, "$infobase.t2p";
3165 # If the Texinfo source is in a subdirectory, create the
3166 # resulting info in this subdirectory. If it is in the current
3167 # directory, try hard to not prefix "./" because it breaks the
3169 my $outdir = dirname ($texi) . '/';
3170 $outdir = "" if $outdir eq './';
3171 $out_file = $outdir . $out_file;
3173 # Until Automake 1.6.3, .info files were built in the
3174 # source tree. This was an obstacle to the support of
3175 # non-distributed .info files, and non-distributed .texi
3178 # * Non-distributed .texi files is important in some packages
3179 # where .texi files are built at make time, probably using
3180 # other binaries built in the package itself, maybe using
3181 # tools or information found on the build host. Because
3182 # these files are not distributed they are always rebuilt
3183 # at make time; they should therefore not lie in the source
3184 # directory. One plan was to support this using
3185 # nodist_info_TEXINFOS or something similar. (Doing this
3186 # requires some sanity checks. For instance Automake should
3188 # dist_info_TEXINFOS = foo.texi
3189 # nodist_foo_TEXINFOS = included.texi
3190 # because a distributed file should never depend on a
3191 # non-distributed file.)
3193 # * If .texi files are not distributed, then .info files should
3194 # not be distributed either. There are also cases where one
3195 # wants to distribute .texi files, but does not want to
3196 # distribute the .info files. For instance the Texinfo package
3197 # distributes the tool used to build these files; it would
3198 # be a waste of space to distribute them. It's not clear
3199 # which syntax we should use to indicate that .info files should
3200 # not be distributed. Akim Demaille suggested that eventually
3201 # we switch to a new syntax:
3202 # | Maybe we should take some inspiration from what's already
3203 # | done in the rest of Automake. Maybe there is too much
3204 # | syntactic sugar here, and you want
3205 # | nodist_INFO = bar.info
3206 # | dist_bar_info_SOURCES = bar.texi
3207 # | bar_texi_DEPENDENCIES = foo.texi
3208 # | with a bit of magic to have bar.info represent the whole
3209 # | bar*info set. That's a lot more verbose that the current
3210 # | situation, but it is # not new, hence the user has less
3213 # | But there is still too much room for meaningless specs:
3214 # | nodist_INFO = bar.info
3215 # | dist_bar_info_SOURCES = bar.texi
3216 # | dist_PS = bar.ps something-written-by-hand.ps
3217 # | nodist_bar_ps_SOURCES = bar.texi
3218 # | bar_texi_DEPENDENCIES = foo.texi
3219 # | here bar.texi is dist_ in line 2, and nodist_ in 4.
3221 # Back to the point, it should be clear that in order to support
3222 # non-distributed .info files, we need to build them in the
3223 # build tree, not in the source tree (non-distributed .texi
3224 # files are less of a problem, because we do not output build
3225 # rules for them). In Automake 1.7 .info build rules have been
3226 # largely cleaned up so that .info files get always build in the
3227 # build tree, even when distributed. The idea was that
3228 # (1) if during a VPATH build the .info file was found to be
3229 # absent or out-of-date (in the source tree or in the
3230 # build tree), Make would rebuild it in the build tree.
3231 # If an up-to-date source-tree of the .info file existed,
3232 # make would not rebuild it in the build tree.
3233 # (2) having two copies of .info files, one in the source tree
3234 # and one (newer) in the build tree is not a problem
3235 # because 'make dist' always pick files in the build tree
3237 # However it turned out the be a bad idea for several reasons:
3238 # * Tru64, OpenBSD, and FreeBSD (not NetBSD) Make do not behave
3239 # like GNU Make on point (1) above. These implementations
3240 # of Make would always rebuild .info files in the build
3241 # tree, even if such files were up to date in the source
3242 # tree. Consequently, it was impossible to perform a VPATH
3243 # build of a package containing Texinfo files using these
3244 # Make implementations.
3245 # (Refer to the Autoconf Manual, section "Limitation of
3246 # Make", paragraph "VPATH", item "target lookup", for
3247 # an account of the differences between these
3249 # * The GNU Coding Standards require these files to be built
3250 # in the source-tree (when they are distributed, that is).
3251 # * Keeping a fresher copy of distributed files in the
3252 # build tree can be annoying during development because
3253 # - if the files is kept under CVS, you really want it
3254 # to be updated in the source tree
3255 # - it is confusing that 'make distclean' does not erase
3256 # all files in the build tree.
3258 # Consequently, starting with Automake 1.8, .info files are
3259 # built in the source tree again. Because we still plan to
3260 # support non-distributed .info files at some point, we
3261 # have a single variable ($INSRC) that controls whether
3262 # the current .info file must be built in the source tree
3263 # or in the build tree. Actually this variable is switched
3264 # off for .info files that appear to be cleaned; this is
3265 # for backward compatibility with package such as Texinfo,
3266 # which do things like
3267 # info_TEXINFOS = texinfo.txi info-stnd.texi info.texi
3268 # DISTCLEANFILES = texinfo texinfo-* info*.info*
3269 # # Do not create info files for distribution.
3271 # in order not to distribute .info files.
3272 my $insrc = ($out_file =~ $user_cleaned_files) ? 0 : 1;
3274 my $soutdir = '$(srcdir)/' . $outdir;
3275 $outdir = $soutdir if $insrc;
3277 # If user specified file_TEXINFOS, then use that as explicit
3280 push (@texi_deps, "$soutdir$vtexi") if $vtexi;
3282 my $canonical = canonicalize ($infobase);
3283 if (var ($canonical . "_TEXINFOS"))
3285 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
3286 push_dist_common ('$(' . $canonical . '_TEXINFOS)');
3289 my ($dirstamp, @cfiles) =
3290 output_texinfo_build_rules ($texi, $out_file, $insrc, @texi_deps);
3291 push (@texi_cleans, @cfiles);
3293 push (@info_deps_list, $out_file);
3295 # If a vers*.texi file is needed, emit the rule.
3298 err_am ("'$vtexi', included in '$texi', "
3299 . "also included in '$versions{$vtexi}'")
3300 if defined $versions{$vtexi};
3301 $versions{$vtexi} = $texi;
3303 # We number the stamp-vti files. This is doable since the
3304 # actual names don't matter much. We only number starting
3305 # with the second one, so that the common case looks nice.
3306 my $vti = ($done ? $done : 'vti');
3309 # This is ugly, but it is our historical practice.
3310 if ($config_aux_dir_set_in_configure_ac)
3312 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3317 require_file_with_macro (TRUE, 'info_TEXINFOS',
3318 FOREIGN, 'mdate-sh');
3322 if ($config_aux_dir_set_in_configure_ac)
3324 $conf_dir = "$am_config_aux_dir/";
3328 $conf_dir = '$(srcdir)/';
3330 $output_rules .= file_contents ('texi-vers',
3331 new Automake::Location,
3334 STAMPVTI => "${soutdir}stamp-$vti",
3335 VTEXI => "$soutdir$vtexi",
3337 DIRSTAMP => $dirstamp);
3341 # Handle location of texinfo.tex.
3342 my $need_texi_file = 0;
3344 if (var ('TEXINFO_TEX'))
3346 # The user defined TEXINFO_TEX so assume he knows what he is
3348 $texinfodir = ('$(srcdir)/'
3349 . dirname (variable_value ('TEXINFO_TEX')));
3351 elsif ($config_aux_dir_set_in_configure_ac)
3353 $texinfodir = $am_config_aux_dir;
3354 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
3355 $need_texi_file = 2; # so that we require_conf_file later
3359 $texinfodir = '$(srcdir)';
3360 $need_texi_file = 1;
3362 define_variable ('am__TEXINFO_TEX_DIR', $texinfodir, INTERNAL);
3364 push (@dist_targets, 'dist-info');
3366 if (! option 'no-installinfo')
3368 # Make sure documentation is made and installed first. Use
3369 # $(INFO_DEPS), not 'info', because otherwise recursive makes
3370 # get run twice during "make all".
3371 unshift (@all, '$(INFO_DEPS)');
3374 define_files_variable ("DVIS", @infobase, 'dvi', INTERNAL);
3375 define_files_variable ("PDFS", @infobase, 'pdf', INTERNAL);
3376 define_files_variable ("PSS", @infobase, 'ps', INTERNAL);
3377 define_files_variable ("HTMLS", @infobase, 'html', INTERNAL);
3379 # This next isn't strictly needed now -- the places that look here
3380 # could easily be changed to look in info_TEXINFOS. But this is
3381 # probably better, in case noinst_TEXINFOS is ever supported.
3382 define_variable ("TEXINFOS", variable_value ('info_TEXINFOS'), INTERNAL);
3384 # Do some error checking. Note that this file is not required
3385 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
3387 if ($need_texi_file && ! option 'no-texinfo.tex')
3389 if ($need_texi_file > 1)
3391 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3396 require_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
3401 return (makefile_wrap ("", "\t ", @mostly_cleans),
3402 makefile_wrap ("", "\t ", @texi_cleans),
3403 makefile_wrap ("", "\t ", @maint_cleans));
3409 # Handle all Texinfo source.
3410 sub handle_texinfo ()
3412 reject_var 'TEXINFOS', "'TEXINFOS' is an anachronism; use 'info_TEXINFOS'";
3413 # FIXME: I think this is an obsolete future feature name.
3414 reject_var 'html_TEXINFOS', "HTML generation not yet supported";
3416 my $info_texinfos = var ('info_TEXINFOS');
3417 my ($mostlyclean, $clean, $maintclean) = ('', '', '');
3420 define_verbose_texinfo;
3421 ($mostlyclean, $clean, $maintclean) = handle_texinfo_helper ($info_texinfos);
3427 $output_rules .= file_contents ('texinfos',
3428 new Automake::Location,
3429 AM_V_DVIPS => verbose_flag('DVIPS'),
3430 MOSTLYCLEAN => $mostlyclean,
3431 TEXICLEAN => $clean,
3432 MAINTCLEAN => $maintclean,
3433 'LOCAL-TEXIS' => !!$info_texinfos,
3434 TEXIQUIET => verbose_flag('texinfo'));
3438 # Handle any man pages.
3439 sub handle_man_pages
3441 reject_var 'MANS', "'MANS' is an anachronism; use 'man_MANS'";
3443 # Find all the sections in use. We do this by first looking for
3444 # "standard" sections, and then looking for any additional
3445 # sections used in man_MANS.
3446 my (%sections, %notrans_sections, %trans_sections,
3447 %notrans_vars, %trans_vars, %notrans_sect_vars, %trans_sect_vars);
3448 # We handle nodist_ for uniformity. man pages aren't distributed
3449 # by default so it isn't actually very important.
3450 foreach my $npfx ('', 'notrans_')
3452 foreach my $pfx ('', 'dist_', 'nodist_')
3454 # Add more sections as needed.
3455 foreach my $section ('0'..'9', 'n', 'l')
3457 my $varname = $npfx . $pfx . 'man' . $section . '_MANS';
3460 $sections{$section} = 1;
3461 $varname = '$(' . $varname . ')';
3462 if ($npfx eq 'notrans_')
3464 $notrans_sections{$section} = 1;
3465 $notrans_sect_vars{$varname} = 1;
3469 $trans_sections{$section} = 1;
3470 $trans_sect_vars{$varname} = 1;
3473 &push_dist_common ($varname)
3478 my $varname = $npfx . $pfx . 'man_MANS';
3479 my $var = var ($varname);
3482 foreach ($var->value_as_list_recursive)
3484 # A page like 'foo.1c' goes into man1dir.
3485 if (/\.([0-9a-z])([a-z]*)$/)
3488 if ($npfx eq 'notrans_')
3490 $notrans_sections{$1} = 1;
3494 $trans_sections{$1} = 1;
3499 $varname = '$(' . $varname . ')';
3500 if ($npfx eq 'notrans_')
3502 $notrans_vars{$varname} = 1;
3506 $trans_vars{$varname} = 1;
3508 &push_dist_common ($varname)
3514 return unless %sections;
3518 # Build section independent variables.
3519 my $have_notrans = %notrans_vars;
3520 my @notrans_list = sort keys %notrans_vars;
3521 my $have_trans = %trans_vars;
3522 my @trans_list = sort keys %trans_vars;
3524 # Now for each section, generate an install and uninstall rule.
3525 # Sort sections so output is deterministic.
3526 foreach my $section (sort keys %sections)
3528 # Build section dependent variables.
3529 my $notrans_mans = $have_notrans || exists $notrans_sections{$section};
3530 my $trans_mans = $have_trans || exists $trans_sections{$section};
3531 my (%notrans_this_sect, %trans_this_sect);
3532 my $expr = 'man' . $section . '_MANS';
3533 foreach my $varname (keys %notrans_sect_vars)
3535 if ($varname =~ /$expr/)
3537 $notrans_this_sect{$varname} = 1;
3540 foreach my $varname (keys %trans_sect_vars)
3542 if ($varname =~ /$expr/)
3544 $trans_this_sect{$varname} = 1;
3547 my @notrans_sect_list = sort keys %notrans_this_sect;
3548 my @trans_sect_list = sort keys %trans_this_sect;
3549 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3550 keys %notrans_this_sect, keys %trans_this_sect);
3551 my @deps = sort @unsorted_deps;
3552 $output_rules .= &file_contents ('mans',
3553 new Automake::Location,
3554 SECTION => $section,
3556 NOTRANS_MANS => $notrans_mans,
3557 NOTRANS_SECT_LIST => "@notrans_sect_list",
3558 HAVE_NOTRANS => $have_notrans,
3559 NOTRANS_LIST => "@notrans_list",
3560 TRANS_MANS => $trans_mans,
3561 TRANS_SECT_LIST => "@trans_sect_list",
3562 HAVE_TRANS => $have_trans,
3563 TRANS_LIST => "@trans_list");
3566 @unsorted_deps = (keys %notrans_vars, keys %trans_vars,
3567 keys %notrans_sect_vars, keys %trans_sect_vars);
3568 my @mans = sort @unsorted_deps;
3569 $output_vars .= file_contents ('mans-vars',
3570 new Automake::Location,
3573 push (@all, '$(MANS)')
3574 unless option 'no-installman';
3577 # Handle DATA variables.
3580 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
3581 'data', 'dataroot', 'doc', 'dvi', 'html', 'pdf',
3582 'ps', 'sysconf', 'sharedstate', 'localstate',
3583 'pkgdata', 'lisp', 'noinst', 'check');
3590 foreach my $spec (@config_headers)
3592 my ($out, @ins) = split_config_file_spec ($spec);
3593 foreach my $in (@ins)
3595 # If the config header source is in this directory,
3597 push @config, basename ($in)
3598 if $relative_dir eq dirname ($in);
3602 define_variable ('am__tagged_files',
3603 '$(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)'
3604 . "@config", INTERNAL);
3606 if (rvar('am__tagged_files')->value_as_list_recursive
3607 || var ('ETAGS_ARGS') || var ('SUBDIRS'))
3609 $output_rules .= &file_contents ('tags', new Automake::Location);
3610 set_seen 'TAGS_DEPENDENCIES';
3614 reject_var ('TAGS_DEPENDENCIES',
3615 "it doesn't make sense to define 'TAGS_DEPENDENCIES'"
3616 . " without\nsources or 'ETAGS_ARGS'");
3617 # Every Makefile must define some sort of TAGS rule.
3618 # Otherwise, it would be possible for a top-level "make TAGS"
3619 # to fail because some subdirectory failed. Ditto ctags and
3623 "ctags CTAGS:\n\n" .
3624 "cscope cscopelist:\n\n";
3629 # user_phony_rule ($NAME)
3630 # -----------------------
3631 # Return false if rule $NAME does not exist. Otherwise,
3632 # declare it as phony, complete its definition (in case it is
3633 # conditional), and return its Automake::Rule instance.
3634 sub user_phony_rule ($)
3637 my $rule = rule $name;
3640 depend ('.PHONY', $name);
3641 # Define $NAME in all condition where it is not already defined,
3642 # so that it is always OK to depend on $NAME.
3643 for my $c ($rule->not_always_defined_in_cond (TRUE)->conds)
3645 Automake::Rule::define ($name, 'internal', RULE_AUTOMAKE,
3647 $output_rules .= $c->subst_string . "$name:\n";
3656 # Handle 'dist' target.
3659 # Substitutions for distdir.am
3662 # Define DIST_SUBDIRS. This must always be done, regardless of the
3663 # no-dist setting: target like 'distclean' or 'maintainer-clean' use it.
3664 my $subdirs = var ('SUBDIRS');
3667 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3668 # to all possible directories, and use it. If DIST_SUBDIRS is
3669 # defined, just use it.
3671 # Note that we check DIST_SUBDIRS first on purpose, so that
3672 # we don't call has_conditional_contents for now reason.
3673 # (In the past one project used so many conditional subdirectories
3674 # that calling has_conditional_contents on SUBDIRS caused
3675 # automake to grow to 150Mb -- this should not happen with
3676 # the current implementation of has_conditional_contents,
3677 # but it's more efficient to avoid the call anyway.)
3678 if (var ('DIST_SUBDIRS'))
3681 elsif ($subdirs->has_conditional_contents)
3683 define_pretty_variable
3684 ('DIST_SUBDIRS', TRUE, INTERNAL,
3685 uniq ($subdirs->value_as_list_recursive));
3689 # We always define this because that is what 'distclean'
3691 define_pretty_variable ('DIST_SUBDIRS', TRUE, INTERNAL,
3696 # The remaining definitions are only required when a dist target is used.
3697 return if option 'no-dist';
3699 # At least one of the archive formats must be enabled.
3700 if ($relative_dir eq '.')
3702 my $archive_defined = option 'no-dist-gzip' ? 0 : 1;
3703 $archive_defined ||=
3704 grep { option "dist-$_" } qw(shar zip tarZ bzip2 lzip xz);
3705 error (option 'no-dist-gzip',
3706 "no-dist-gzip specified but no dist-* specified,\n"
3707 . "at least one archive format must be enabled")
3708 unless $archive_defined;
3711 # Look for common files that should be included in distribution.
3712 # If the aux dir is set, and it does not have a Makefile.am, then
3713 # we check for these files there as well.
3715 if ($relative_dir eq '.'
3716 && $config_aux_dir_set_in_configure_ac)
3718 if (! &is_make_dir ($config_aux_dir))
3723 foreach my $cfile (@common_files)
3725 if (dir_has_case_matching_file ($relative_dir, $cfile)
3726 # The file might be absent, but if it can be built it's ok.
3729 &push_dist_common ($cfile);
3732 # Don't use 'elsif' here because a file might meaningfully
3733 # appear in both directories.
3734 if ($check_aux && dir_has_case_matching_file ($config_aux_dir, $cfile))
3736 &push_dist_common ("$config_aux_dir/$cfile")
3740 # We might copy elements from $configure_dist_common to
3741 # %dist_common if we think we need to. If the file appears in our
3742 # directory, we would have discovered it already, so we don't
3743 # check that. But if the file is in a subdir without a Makefile,
3744 # we want to distribute it here if we are doing '.'. Ugly!
3745 # Also, in some corner cases, it's possible that the following code
3746 # will cause the same file to appear in the $(DIST_COMMON) variables
3747 # of two distinct Makefiles; but this is not a problem, since the
3748 # 'distdir' target in 'lib/am/distdir.am' can deal with the same
3749 # file being distributed multiple times.
3750 # See also automake bug#9651.
3751 if ($relative_dir eq '.')
3753 foreach my $file (split (' ' , $configure_dist_common))
3755 my $dir = dirname ($file);
3756 push_dist_common ($file)
3757 if ($dir eq '.' || ! is_make_dir ($dir));
3761 # Files to distributed. Don't use ->value_as_list_recursive
3762 # as it recursively expands '$(dist_pkgdata_DATA)' etc.
3763 my @dist_common = split (' ', rvar ('DIST_COMMON')->variable_value);
3764 @dist_common = uniq @dist_common;
3765 variable_delete 'DIST_COMMON';
3766 define_pretty_variable ('DIST_COMMON', TRUE, INTERNAL, @dist_common);
3768 # Now that we've processed DIST_COMMON, disallow further attempts
3770 $handle_dist_run = 1;
3772 $transform{'DISTCHECK-HOOK'} = !! rule 'distcheck-hook';
3773 $transform{'GETTEXT'} = $seen_gettext && !$seen_gettext_external;
3775 # If the target 'dist-hook' exists, make sure it is run. This
3776 # allows users to do random weird things to the distribution
3777 # before it is packaged up.
3778 push (@dist_targets, 'dist-hook')
3779 if user_phony_rule 'dist-hook';
3780 $transform{'DIST-TARGETS'} = join (' ', @dist_targets);
3782 my $flm = option ('filename-length-max');
3783 my $filename_filter = $flm ? '.' x $flm->[1] : '';
3785 $output_rules .= &file_contents ('distdir',
3786 new Automake::Location,
3788 FILENAME_FILTER => $filename_filter);
3792 # check_directory ($NAME, $WHERE [, $RELATIVE_DIR = "."])
3793 # -------------------------------------------------------
3794 # Ensure $NAME is a directory (in $RELATIVE_DIR), and that it uses a sane
3795 # name. Use $WHERE as a location in the diagnostic, if any.
3796 sub check_directory ($$;$)
3798 my ($dir, $where, $reldir) = @_;
3799 $reldir = '.' unless defined $reldir;
3801 error $where, "required directory $reldir/$dir does not exist"
3802 unless -d "$reldir/$dir";
3804 # If an 'obj/' directory exists, BSD make will enter it before
3805 # reading 'Makefile'. Hence the 'Makefile' in the current directory
3811 # % cat obj/Makefile
3817 # % pmake # BSD make
3820 msg ('portability', $where,
3821 "naming a subdirectory 'obj' causes troubles with BSD make")
3824 # 'aux' is probably the most important of the following forbidden name,
3825 # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
3826 msg ('portability', $where,
3827 "name '$dir' is reserved on W32 and DOS platforms")
3828 if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
3831 # check_directories_in_var ($VARIABLE)
3832 # ------------------------------------
3833 # Recursively check all items in variables $VARIABLE as directories
3834 sub check_directories_in_var ($)
3837 $var->traverse_recursively
3840 my ($var, $val, $cond, $full_cond) = @_;
3841 check_directory ($val, $var->rdef ($cond)->location, $relative_dir);
3845 skip_ac_subst => 1);
3848 # &handle_subdirs ()
3849 # ------------------
3850 # Handle subdirectories.
3851 sub handle_subdirs ()
3853 my $subdirs = var ('SUBDIRS');
3857 check_directories_in_var $subdirs;
3859 my $dsubdirs = var ('DIST_SUBDIRS');
3860 check_directories_in_var $dsubdirs
3863 $output_rules .= &file_contents ('subdirs', new Automake::Location);
3864 rvar ('RECURSIVE_TARGETS')->rdef (TRUE)->{'pretty'} = VAR_SORTED; # Gross!
3868 # ($REGEN, @DEPENDENCIES)
3871 # If aclocal.m4 creation is automated, return the list of its dependencies.
3872 sub scan_aclocal_m4 ()
3874 my $regen_aclocal = 0;
3876 set_seen 'CONFIG_STATUS_DEPENDENCIES';
3877 set_seen 'CONFIGURE_DEPENDENCIES';
3879 if (-f 'aclocal.m4')
3881 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
3883 my $aclocal = new Automake::XFile "< aclocal.m4";
3884 my $line = $aclocal->getline;
3885 $regen_aclocal = $line =~ 'generated automatically by aclocal';
3890 if (set_seen ('ACLOCAL_M4_SOURCES'))
3892 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
3893 msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
3894 "'ACLOCAL_M4_SOURCES' is obsolete.\n"
3895 . "It should be safe to simply remove it");
3898 # Note that it might be possible that aclocal.m4 doesn't exist but
3899 # should be auto-generated. This case probably isn't very
3902 return ($regen_aclocal, @ac_deps);
3906 # Helper function for substitute_ac_subst_variables.
3907 sub substitute_ac_subst_variables_worker($)
3910 return "\@$token\@" if var $token;
3911 return "\${$token\}";
3914 # substitute_ac_subst_variables ($TEXT)
3915 # -------------------------------------
3916 # Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
3918 sub substitute_ac_subst_variables ($)
3921 $text =~ s/\${([^ \t=:+{}]+)}/&substitute_ac_subst_variables_worker ($1)/ge;
3926 # &prepend_srcdir (@INPUTS)
3927 # -------------------------
3928 # Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
3929 # if an input file has a directory part the same as the current
3930 # directory, then the directory part is simply replaced by $(srcdir).
3931 # But if the directory part is different, then $(top_srcdir) is
3933 sub prepend_srcdir (@)
3938 foreach my $single (@inputs)
3940 if (dirname ($single) eq $relative_dir)
3942 push (@newinputs, '$(srcdir)/' . basename ($single));
3946 push (@newinputs, '$(top_srcdir)/' . $single);
3953 # rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
3954 # ---------------------------------------------------
3955 # Compute a list of dependencies appropriate for the rebuild
3957 # AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
3958 # Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
3959 sub rewrite_inputs_into_dependencies ($@)
3961 my ($file, @inputs) = @_;
3966 # We cannot create dependencies on shell variables.
3967 next if (substitute_ac_subst_variables $i) =~ /\$/;
3969 if (exists $ac_config_files_location{$i} && $i ne $file)
3971 my $di = dirname $i;
3972 if ($di eq $relative_dir)
3976 # In the top-level Makefile we do not use $(top_builddir), because
3977 # we are already there, and since the targets are built without
3978 # a $(top_builddir), it helps BSD Make to match them with
3980 elsif ($relative_dir ne '.')
3982 $i = '$(top_builddir)/' . $i;
3987 msg ('error', $ac_config_files_location{$file},
3988 "required file '$i' not found")
3989 unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
3990 ($i) = prepend_srcdir ($i);
3991 push_dist_common ($i);
4000 # &handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
4001 # ------------------------------------------------------------------
4002 # Handle remaking and configure stuff.
4003 # We need the name of the input file, to do proper remaking rules.
4004 sub handle_configure ($$$@)
4006 my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
4008 prog_error 'empty @inputs'
4011 my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
4013 my $rel_makefile = basename $makefile;
4015 my $colon_infile = ':' . join (':', @inputs);
4016 $colon_infile = '' if $colon_infile eq ":$makefile.in";
4017 my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
4018 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
4019 define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
4020 @configure_deps, @aclocal_m4_deps,
4021 '$(top_srcdir)/' . $configure_ac);
4022 my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
4023 push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
4024 define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
4027 my $automake_options = '--' . $strictness_name .
4028 (global_option 'no-dependencies' ? ' --ignore-deps' : '');
4030 $output_rules .= file_contents
4032 new Automake::Location,
4033 MAKEFILE => $rel_makefile,
4034 'MAKEFILE-DEPS' => "@rewritten",
4035 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
4036 'MAKEFILE-IN' => $rel_makefile_in,
4037 'HAVE-MAKEFILE-IN-DEPS' => (@include_stack > 0),
4038 'MAKEFILE-IN-DEPS' => "@include_stack",
4039 'MAKEFILE-AM' => $rel_makefile_am,
4040 'AUTOMAKE-OPTIONS' => $automake_options,
4041 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
4042 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
4043 VERBOSE => verbose_flag ('GEN'));
4045 if ($relative_dir eq '.')
4047 &push_dist_common ('acconfig.h')
4051 # If we have a configure header, require it.
4053 my @distclean_config;
4054 foreach my $spec (@config_headers)
4057 # $CONFIG_H_PATH: config.h from top level.
4058 my ($config_h_path, @ins) = split_config_file_spec ($spec);
4059 my $config_h_dir = dirname ($config_h_path);
4061 # If the header is in the current directory we want to build
4062 # the header here. Otherwise, if we're at the topmost
4063 # directory and the header's directory doesn't have a
4064 # Makefile, then we also want to build the header.
4065 if ($relative_dir eq $config_h_dir
4066 || ($relative_dir eq '.' && ! &is_make_dir ($config_h_dir)))
4068 my ($cn_sans_dir, $stamp_dir);
4069 if ($relative_dir eq $config_h_dir)
4071 $cn_sans_dir = basename ($config_h_path);
4076 $cn_sans_dir = $config_h_path;
4077 if ($config_h_dir eq '.')
4083 $stamp_dir = $config_h_dir . '/';
4087 # This will also distribute all inputs.
4088 @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
4090 # Cannot define rebuild rules for filenames with shell variables.
4091 next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
4093 # Header defined in this directory.
4095 if (-f $config_h_path . '.top')
4097 push (@files, "$cn_sans_dir.top");
4099 if (-f $config_h_path . '.bot')
4101 push (@files, "$cn_sans_dir.bot");
4104 push_dist_common (@files);
4106 # For now, acconfig.h can only appear in the top srcdir.
4107 if (-f 'acconfig.h')
4109 push (@files, '$(top_srcdir)/acconfig.h');
4112 my $stamp = "${stamp_dir}stamp-h${hdr_index}";
4114 file_contents ('remake-hdr',
4115 new Automake::Location,
4117 CONFIG_H => $cn_sans_dir,
4118 CONFIG_HIN => $ins[0],
4119 CONFIG_H_DEPS => "@ins",
4120 CONFIG_H_PATH => $config_h_path,
4123 push @distclean_config, $cn_sans_dir, $stamp;
4127 $output_rules .= file_contents ('clean-hdr',
4128 new Automake::Location,
4129 FILES => "@distclean_config")
4130 if @distclean_config;
4132 # Distribute and define mkinstalldirs only if it is already present
4133 # in the package, for backward compatibility (some people may still
4134 # use $(mkinstalldirs)).
4135 my $mkidpath = "$config_aux_dir/mkinstalldirs";
4138 # Use require_file so that any existing script gets updated
4139 # by --force-missing.
4140 require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
4141 define_variable ('mkinstalldirs',
4142 "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
4146 # Use $(install_sh), not $(MKDIR_P) because the latter requires
4147 # at least one argument, and $(mkinstalldirs) used to work
4148 # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
4149 define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
4152 reject_var ('CONFIG_HEADER',
4153 "'CONFIG_HEADER' is an anachronism; now determined "
4154 . "automatically\nfrom '$configure_ac'");
4157 foreach my $spec (@config_headers)
4159 my ($out, @ins) = split_config_file_spec ($spec);
4160 # Generate CONFIG_HEADER define.
4161 if ($relative_dir eq dirname ($out))
4163 push @config_h, basename ($out);
4167 push @config_h, "\$(top_builddir)/$out";
4170 define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
4173 # Now look for other files in this directory which must be remade
4174 # by config.status, and generate rules for them.
4175 my @actual_other_files = ();
4176 # These get cleaned only in a VPATH build.
4177 my @actual_other_vpath_files = ();
4178 foreach my $lfile (@other_input_files)
4182 if ($lfile =~ /^([^:]*):(.*)$/)
4184 # This is the ":" syntax of AC_OUTPUT.
4186 @inputs = split (':', $2);
4192 @inputs = $file . '.in';
4195 # Automake files should not be stored in here, but in %MAKE_LIST.
4196 prog_error ("$lfile in \@other_input_files\n"
4197 . "\@other_input_files = (@other_input_files)")
4198 if -f $file . '.am';
4200 my $local = basename ($file);
4202 # We skip files that aren't in this directory. However, if
4203 # the file's directory does not have a Makefile, and we are
4204 # currently doing '.', then we create a rule to rebuild the
4205 # file in the subdir.
4206 my $fd = dirname ($file);
4207 if ($fd ne $relative_dir)
4209 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4219 my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
4221 # Cannot output rules for shell variables.
4222 next if (substitute_ac_subst_variables $local) =~ /\$/;
4225 my $cond = $ac_config_files_condition{$lfile};
4228 $condstr = $cond->subst_string;
4229 Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
4230 $ac_config_files_location{$file});
4232 $output_rules .= ($condstr . $local . ': '
4233 . '$(top_builddir)/config.status '
4234 . "@rewritten_inputs\n"
4236 . 'cd $(top_builddir) && '
4237 . '$(SHELL) ./config.status '
4238 . ($relative_dir eq '.' ? '' : '$(subdir)/')
4241 push (@actual_other_files, $local);
4244 # For links we should clean destinations and distribute sources.
4245 foreach my $spec (@config_links)
4247 my ($link, $file) = split /:/, $spec;
4248 # Some people do AC_CONFIG_LINKS($computed). We only handle
4249 # the DEST:SRC form.
4251 my $where = $ac_config_files_location{$link};
4253 # Skip destinations that contain shell variables.
4254 if ((substitute_ac_subst_variables $link) !~ /\$/)
4256 # We skip links that aren't in this directory. However, if
4257 # the link's directory does not have a Makefile, and we are
4258 # currently doing '.', then we add the link to CONFIG_CLEAN_FILES
4259 # in '.'s Makefile.in.
4260 my $local = basename ($link);
4261 my $fd = dirname ($link);
4262 if ($fd ne $relative_dir)
4264 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
4275 push @actual_other_files, $local if $local;
4279 push @actual_other_vpath_files, $local if $local;
4283 # Do not process sources that contain shell variables.
4284 if ((substitute_ac_subst_variables $file) !~ /\$/)
4286 my $fd = dirname ($file);
4288 # We distribute files that are in this directory.
4289 # At the top-level ('.') we also distribute files whose
4290 # directory does not have a Makefile.
4291 if (($fd eq $relative_dir)
4292 || ($relative_dir eq '.' && ! &is_make_dir ($fd)))
4294 # The following will distribute $file as a side-effect when
4295 # it is appropriate (i.e., when $file is not already an output).
4296 # We do not need the result, just the side-effect.
4297 rewrite_inputs_into_dependencies ($link, $file);
4302 # These files get removed by "make distclean".
4303 define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
4304 @actual_other_files);
4305 define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
4306 @actual_other_vpath_files);
4312 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
4313 'oldinclude', 'pkginclude',
4317 next unless $_->[1] =~ /\..*$/;
4318 &saw_extension ($&);
4324 return if ! $seen_gettext || $relative_dir ne '.';
4326 my $subdirs = var 'SUBDIRS';
4330 err_ac "AM_GNU_GETTEXT used but SUBDIRS not defined";
4334 # Perform some sanity checks to help users get the right setup.
4335 # We disable these tests when po/ doesn't exist in order not to disallow
4336 # unusual gettext setups.
4341 # | 1) If a package doesn't have a directory po/ at top level, it
4342 # | will likely have multiple po/ directories in subpackages.
4344 # | 2) It is useful to warn for the absence of intl/ if AM_GNU_GETTEXT
4345 # | is used without 'external'. It is also useful to warn for the
4346 # | presence of intl/ if AM_GNU_GETTEXT([external]) is used. Both
4347 # | warnings apply only to the usual layout of packages, therefore
4348 # | they should both be disabled if no po/ directory is found at
4353 my @subdirs = $subdirs->value_as_list_recursive;
4355 msg_var ('syntax', $subdirs,
4356 "AM_GNU_GETTEXT used but 'po' not in SUBDIRS")
4357 if ! grep ($_ eq 'po', @subdirs);
4359 # intl/ is not required when AM_GNU_GETTEXT is called with the
4360 # 'external' option and AM_GNU_GETTEXT_INTL_SUBDIR is not called.
4361 msg_var ('syntax', $subdirs,
4362 "AM_GNU_GETTEXT used but 'intl' not in SUBDIRS")
4363 if (! ($seen_gettext_external && ! $seen_gettext_intl)
4364 && ! grep ($_ eq 'intl', @subdirs));
4366 # intl/ should not be used with AM_GNU_GETTEXT([external]), except
4367 # if AM_GNU_GETTEXT_INTL_SUBDIR is called.
4368 msg_var ('syntax', $subdirs,
4369 "'intl' should not be in SUBDIRS when "
4370 . "AM_GNU_GETTEXT([external]) is used")
4371 if ($seen_gettext_external && ! $seen_gettext_intl
4372 && grep ($_ eq 'intl', @subdirs));
4375 require_file ($ac_gettext_location, GNU, 'ABOUT-NLS');
4378 # Handle footer elements.
4381 reject_rule ('.SUFFIXES',
4382 "use variable 'SUFFIXES', not target '.SUFFIXES'");
4384 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
4385 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
4386 # anything else, by sticking it right after the default: target.
4387 $output_header .= ".SUFFIXES:\n";
4388 my $suffixes = var 'SUFFIXES';
4389 my @suffixes = Automake::Rule::suffixes;
4390 if (@suffixes || $suffixes)
4392 # Make sure SUFFIXES has unique elements. Sort them to ensure
4393 # the output remains consistent. However, $(SUFFIXES) is
4394 # always at the start of the list, unsorted. This is done
4395 # because make will choose rules depending on the ordering of
4396 # suffixes, and this lets the user have some control. Push
4397 # actual suffixes, and not $(SUFFIXES). Some versions of make
4398 # do not like variable substitutions on the .SUFFIXES line.
4399 my @user_suffixes = ($suffixes
4400 ? $suffixes->value_as_list_recursive : ());
4402 my %suffixes = map { $_ => 1 } @suffixes;
4403 delete @suffixes{@user_suffixes};
4405 $output_header .= (".SUFFIXES: "
4406 . join (' ', @user_suffixes, sort keys %suffixes)
4410 $output_trailer .= file_contents ('footer', new Automake::Location);
4414 # Generate 'make install' rules.
4415 sub handle_install ()
4417 $output_rules .= &file_contents
4419 new Automake::Location,
4420 maybe_BUILT_SOURCES => (set_seen ('BUILT_SOURCES')
4421 ? (" \$(BUILT_SOURCES)\n"
4422 . "\t\$(MAKE) \$(AM_MAKEFLAGS)")
4424 'installdirs-local' => (user_phony_rule 'installdirs-local'
4425 ? ' installdirs-local' : ''),
4426 am__installdirs => variable_value ('am__installdirs') || '');
4430 # Deal with all and all-am.
4433 my ($makefile) = @_;
4437 # Put this at the beginning for the sake of non-GNU makes. This
4438 # is still wrong if these makes can run parallel jobs. But it is
4440 unshift (@all, basename ($makefile));
4442 foreach my $spec (@config_headers)
4444 my ($out, @ins) = split_config_file_spec ($spec);
4445 push (@all, basename ($out))
4446 if dirname ($out) eq $relative_dir;
4449 # Install 'all' hooks.
4450 push (@all, "all-local")
4451 if user_phony_rule "all-local";
4453 &pretty_print_rule ("all-am:", "\t\t", @all);
4454 &depend ('.PHONY', 'all-am', 'all');
4459 my @local_headers = ();
4460 push @local_headers, '$(BUILT_SOURCES)'
4461 if var ('BUILT_SOURCES');
4462 foreach my $spec (@config_headers)
4464 my ($out, @ins) = split_config_file_spec ($spec);
4465 push @local_headers, basename ($out)
4466 if dirname ($out) eq $relative_dir;
4471 # We need to make sure config.h is built before we recurse.
4472 # We also want to make sure that built sources are built
4473 # before any ordinary 'all' targets are run. We can't do this
4474 # by changing the order of dependencies to the "all" because
4475 # that breaks when using parallel makes. Instead we handle
4476 # things explicitly.
4477 $output_all .= ("all: @local_headers"
4479 . '$(MAKE) $(AM_MAKEFLAGS) '
4480 . (var ('SUBDIRS') ? 'all-recursive' : 'all-am')
4482 depend ('.MAKE', 'all');
4486 $output_all .= "all: " . (var ('SUBDIRS')
4487 ? 'all-recursive' : 'all-am') . "\n\n";
4491 # Generate helper targets for user recursion, where needed.
4492 sub handle_user_recursion ()
4494 return unless @extra_recursive_targets;
4496 define_pretty_variable ('am__extra_recursive_targets', TRUE, INTERNAL,
4497 map { "$_-recursive" } @extra_recursive_targets);
4498 my $aux = var ('SUBDIRS') ? 'recursive' : 'am';
4499 foreach my $target (@extra_recursive_targets)
4501 # This allows the default target's rules to be overridden in
4503 user_phony_rule ($target);
4504 depend ("$target", "$target-$aux");
4505 depend ("$target-am", "$target-local");
4506 # Every user-defined recursive target 'foo' *must* have a valid
4507 # associated 'foo-local' rule; we define it as an empty rule by
4508 # default, so that the user can transparently extend it in his
4510 pretty_print_rule ("$target-local:");
4511 # $target-recursive might as well be undefined, so do not add
4512 # it here; it's taken care of in subdirs.am anyway.
4513 depend (".PHONY", "$target-am", "$target-local");
4518 # &do_check_merge_target ()
4519 # -------------------------
4520 # Handle check merge target specially.
4521 sub do_check_merge_target ()
4523 # Include user-defined local form of target.
4524 push @check_tests, 'check-local'
4525 if user_phony_rule 'check-local';
4527 # The check target must depend on the local equivalent of
4528 # 'all', to ensure all the primary targets are built. Then it
4529 # must build the local check rules.
4530 $output_rules .= "check-am: all-am\n";
4533 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @check);
4534 depend ('.MAKE', 'check-am');
4539 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4541 depend ('.MAKE', 'check-am');
4544 depend '.PHONY', 'check', 'check-am';
4545 # Handle recursion. We have to honor BUILT_SOURCES like for 'all:'.
4546 $output_rules .= ("check: "
4547 . (var ('BUILT_SOURCES')
4548 ? "\$(BUILT_SOURCES)\n\t\$(MAKE) \$(AM_MAKEFLAGS) "
4550 . (var ('SUBDIRS') ? 'check-recursive' : 'check-am')
4552 depend ('.MAKE', 'check')
4553 if var ('BUILT_SOURCES');
4556 # handle_clean ($MAKEFILE)
4557 # ------------------------
4558 # Handle all 'clean' targets.
4559 sub handle_clean ($)
4561 my ($makefile) = @_;
4563 # Clean the files listed in user variables if they exist.
4564 $clean_files{'$(MOSTLYCLEANFILES)'} = MOSTLY_CLEAN
4565 if var ('MOSTLYCLEANFILES');
4566 $clean_files{'$(CLEANFILES)'} = CLEAN
4567 if var ('CLEANFILES');
4568 $clean_files{'$(DISTCLEANFILES)'} = DIST_CLEAN
4569 if var ('DISTCLEANFILES');
4570 $clean_files{'$(MAINTAINERCLEANFILES)'} = MAINTAINER_CLEAN
4571 if var ('MAINTAINERCLEANFILES');
4573 # Built sources are automatically removed by maintainer-clean.
4574 $clean_files{'$(BUILT_SOURCES)'} = MAINTAINER_CLEAN
4575 if var ('BUILT_SOURCES');
4577 # Compute a list of "rm"s to run for each target.
4578 my %rms = (MOSTLY_CLEAN, [],
4581 MAINTAINER_CLEAN, []);
4583 foreach my $file (keys %clean_files)
4585 my $when = $clean_files{$file};
4586 prog_error 'invalid entry in %clean_files'
4587 unless exists $rms{$when};
4589 my $rm = "rm -f $file";
4590 # If file is a variable, make sure when don't call 'rm -f' without args.
4591 $rm ="test -z \"$file\" || $rm"
4592 if ($file =~ /^\s*\$(\(.*\)|\{.*\})\s*$/);
4594 push @{$rms{$when}}, "\t-$rm\n";
4597 $output_rules .= &file_contents
4599 new Automake::Location,
4600 MOSTLYCLEAN_RMS => join ('', sort @{$rms{&MOSTLY_CLEAN}}),
4601 CLEAN_RMS => join ('', sort @{$rms{&CLEAN}}),
4602 DISTCLEAN_RMS => join ('', sort @{$rms{&DIST_CLEAN}}),
4603 MAINTAINER_CLEAN_RMS => join ('', sort @{$rms{&MAINTAINER_CLEAN}}),
4604 MAKEFILE => basename $makefile,
4609 # &target_cmp ($A, $B)
4610 # --------------------
4611 # Subroutine for &handle_factored_dependencies to let '.PHONY' and
4612 # other '.TARGETS' be last.
4615 return 0 if $a eq $b;
4617 my $a1 = substr ($a, 0, 1);
4618 my $b1 = substr ($b, 0, 1);
4621 return -1 if $b1 eq '.';
4622 return 1 if $a1 eq '.';
4628 # &handle_factored_dependencies ()
4629 # --------------------------------
4630 # Handle everything related to gathered targets.
4631 sub handle_factored_dependencies
4634 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
4635 'uninstall-exec-local', 'uninstall-exec-hook',
4636 'uninstall-dvi-local',
4637 'uninstall-html-local',
4638 'uninstall-info-local',
4639 'uninstall-pdf-local',
4640 'uninstall-ps-local')
4644 reject_rule ($utarg, "use '$x', not '$utarg'");
4647 reject_rule ('install-local',
4648 "use 'install-data-local' or 'install-exec-local', "
4649 . "not 'install-local'");
4651 reject_rule ('install-hook',
4652 "use 'install-data-hook' or 'install-exec-hook', "
4653 . "not 'install-hook'");
4655 # Install the -local hooks.
4656 foreach (keys %dependencies)
4658 # Hooks are installed on the -am targets.
4660 depend ("$_-am", "$_-local")
4661 if user_phony_rule "$_-local";
4664 # Install the -hook hooks.
4665 # FIXME: Why not be as liberal as we are with -local hooks?
4666 foreach ('install-exec', 'install-data', 'uninstall')
4668 if (user_phony_rule "$_-hook")
4670 depend ('.MAKE', "$_-am");
4671 register_action("$_-am",
4672 ("\t\@\$(NORMAL_INSTALL)\n"
4673 . "\t\$(MAKE) \$(AM_MAKEFLAGS) $_-hook"));
4677 # All the required targets are phony.
4678 depend ('.PHONY', keys %required_targets);
4680 # Actually output gathered targets.
4681 foreach (sort target_cmp keys %dependencies)
4683 # If there is nothing about this guy, skip it.
4685 unless (@{$dependencies{$_}}
4687 || $required_targets{$_});
4689 # Define gathered targets in undefined conditions.
4690 # FIXME: Right now we must handle .PHONY as an exception,
4691 # because people write things like
4692 # .PHONY: myphonytarget
4693 # to append dependencies. This would not work if Automake
4694 # refrained from defining its own .PHONY target as it does
4695 # with other overridden targets.
4696 # Likewise for '.MAKE'.
4697 my @undefined_conds = (TRUE,);
4698 if ($_ ne '.PHONY' && $_ ne '.MAKE')
4701 Automake::Rule::define ($_, 'internal',
4702 RULE_AUTOMAKE, TRUE, INTERNAL);
4704 my @uniq_deps = uniq (sort @{$dependencies{$_}});
4705 foreach my $cond (@undefined_conds)
4707 my $condstr = $cond->subst_string;
4708 &pretty_print_rule ("$condstr$_:", "$condstr\t", @uniq_deps);
4709 $output_rules .= $actions{$_} if defined $actions{$_};
4710 $output_rules .= "\n";
4716 # &handle_tests_dejagnu ()
4717 # ------------------------
4718 sub handle_tests_dejagnu
4720 push (@check_tests, 'check-DEJAGNU');
4721 $output_rules .= file_contents ('dejagnu', new Automake::Location);
4724 sub handle_per_suffix_test
4726 my ($test_suffix, %transform) = @_;
4727 my ($pfx, $generic, $am_exeext);
4728 if ($test_suffix eq '')
4732 $am_exeext = 'FALSE';
4736 prog_error ("test suffix '$test_suffix' lacks leading dot")
4737 unless $test_suffix =~ m/^\.(.*)/;
4738 $pfx = uc ($1) . '_';
4740 $am_exeext = exists $configure_vars{'EXEEXT'} ? 'am__EXEEXT'
4743 # The "test driver" program, deputed to handle tests protocol used by
4744 # test scripts. By default, it's assumed that no protocol is used, so
4745 # we fall back to the old behaviour, implemented by the 'test-driver'
4747 if (! var "${pfx}LOG_DRIVER")
4749 require_conf_file ("parallel-tests", FOREIGN, 'test-driver');
4750 define_variable ("${pfx}LOG_DRIVER",
4751 "\$(SHELL) $am_config_aux_dir/test-driver",
4754 my $driver = '$(' . $pfx . 'LOG_DRIVER)';
4755 my $driver_flags = '$(AM_' . $pfx . 'LOG_DRIVER_FLAGS)'
4756 . ' $(' . $pfx . 'LOG_DRIVER_FLAGS)';
4757 my $compile = "${pfx}LOG_COMPILE";
4758 define_variable ($compile,
4759 '$(' . $pfx . 'LOG_COMPILER)'
4760 . ' $(AM_' . $pfx . 'LOG_FLAGS)'
4761 . ' $(' . $pfx . 'LOG_FLAGS)',
4763 $output_rules .= file_contents ('check2', new Automake::Location,
4764 GENERIC => $generic,
4766 DRIVER_FLAGS => $driver_flags,
4767 COMPILE => '$(' . $compile . ')',
4768 EXT => $test_suffix,
4769 am__EXEEXT => $am_exeext,
4773 # is_valid_test_extension ($EXT)
4774 # ------------------------------
4775 # Return true if $EXT can appear in $(TEST_EXTENSIONS), return false
4777 sub is_valid_test_extension ($)
4781 if ($ext =~ /^\.[a-zA-Z_][a-zA-Z0-9_]*$/);
4783 if (exists $configure_vars{'EXEEXT'} && $ext eq subst ('EXEEXT'));
4787 # Handle TESTS variable and other checks.
4790 if (option 'dejagnu')
4792 &handle_tests_dejagnu;
4796 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4798 reject_var ($c, "'$c' defined but 'dejagnu' not in "
4799 . "'AUTOMAKE_OPTIONS'");
4805 push (@check_tests, 'check-TESTS');
4806 my $check_deps = "@check";
4807 $output_rules .= &file_contents ('check', new Automake::Location,
4808 SERIAL_TESTS => !! option 'serial-tests',
4809 CHECK_DEPS => $check_deps);
4811 # Tests that are known programs should have $(EXEEXT) appended.
4812 # For matching purposes, we need to adjust XFAIL_TESTS as well.
4813 append_exeext { exists $known_programs{$_[0]} } 'TESTS';
4814 append_exeext { exists $known_programs{$_[0]} } 'XFAIL_TESTS'
4815 if (var ('XFAIL_TESTS'));
4817 if (! option 'serial-tests')
4819 define_variable ('TEST_SUITE_LOG', 'test-suite.log', INTERNAL);
4822 my $handle_exeext = exists $configure_vars{'EXEEXT'};
4825 $at_exeext = subst ('EXEEXT');
4826 $suff = $at_exeext . ' ' . $suff;
4828 if (! var 'TEST_EXTENSIONS')
4830 define_variable ('TEST_EXTENSIONS', $suff, INTERNAL);
4832 my $var = var 'TEST_EXTENSIONS';
4833 # Currently, we are not able to deal with conditional contents
4834 # in TEST_EXTENSIONS.
4835 if ($var->has_conditional_contents)
4837 msg_var 'unsupported', $var,
4838 "'TEST_EXTENSIONS' cannot have conditional contents";
4840 my @test_suffixes = $var->value_as_list_recursive;
4841 if ((my @invalid_test_suffixes =
4842 grep { !is_valid_test_extension $_ } @test_suffixes) > 0)
4844 error $var->rdef (TRUE)->location,
4845 "invalid test extensions: @invalid_test_suffixes";
4847 @test_suffixes = grep { is_valid_test_extension $_ } @test_suffixes;
4850 unshift (@test_suffixes, $at_exeext)
4851 unless $test_suffixes[0] eq $at_exeext;
4853 unshift (@test_suffixes, '');
4855 transform_variable_recursively
4856 ('TESTS', 'TEST_LOGS', 'am__testlogs', 1, INTERNAL,
4858 my ($subvar, $val, $cond, $full_cond) = @_;
4861 if $val =~ /^\@.*\@$/;
4862 $obj =~ s/\$\(EXEEXT\)$//o;
4864 if ($val =~ /(\$\((top_)?srcdir\))\//o)
4866 msg ('error', $subvar->rdef ($cond)->location,
4867 "using '$1' in TESTS is currently broken: '$val'");
4870 foreach my $test_suffix (@test_suffixes)
4873 if $test_suffix eq $at_exeext || $test_suffix eq '';
4874 return substr ($obj, 0, length ($obj) - length ($test_suffix)) . '.log'
4875 if substr ($obj, - length ($test_suffix)) eq $test_suffix;
4879 handle_per_suffix_test ('',
4889 my $last_suffix = $test_suffixes[$#test_suffixes];
4891 foreach my $test_suffix (@test_suffixes)
4893 if ($test_suffix eq $last_suffix)
4899 $cur = 'am__test_logs' . $nhelper;
4901 define_variable ($cur,
4902 '$(' . $prev . ':' . $test_suffix . $post . '=.log)', INTERNAL);
4906 if ($test_suffix ne $at_exeext && $test_suffix ne '')
4908 handle_per_suffix_test ($test_suffix,
4914 $clean_files{'$(TEST_LOGS)'} = MOSTLY_CLEAN;
4915 $clean_files{'$(TEST_LOGS:.log=.trs)'} = MOSTLY_CLEAN;
4916 $clean_files{'$(TEST_SUITE_LOG)'} = MOSTLY_CLEAN;
4921 # Handle Emacs Lisp.
4922 sub handle_emacs_lisp
4924 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
4927 return if ! @elfiles;
4929 define_pretty_variable ('am__ELFILES', TRUE, INTERNAL,
4930 map { $_->[1] } @elfiles);
4931 define_pretty_variable ('am__ELCFILES', TRUE, INTERNAL,
4932 '$(am__ELFILES:.el=.elc)');
4933 # This one can be overridden by users.
4934 define_pretty_variable ('ELCFILES', TRUE, INTERNAL, '$(LISP:.el=.elc)');
4936 push @all, '$(ELCFILES)';
4938 require_variables ($elfiles[0][0], "Emacs Lisp sources seen", TRUE,
4939 'EMACS', 'lispdir');
4945 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4947 return if ! @pyfiles;
4949 require_variables ($pyfiles[0][0], "Python sources seen", TRUE, 'PYTHON');
4950 require_conf_file ($pyfiles[0][0], FOREIGN, 'py-compile');
4951 &define_variable ('py_compile', "$am_config_aux_dir/py-compile", INTERNAL);
4957 my @sourcelist = &am_install_var ('-candist',
4960 return if ! @sourcelist;
4962 my @prefixes = am_primary_prefixes ('JAVA', 1,
4966 my @java_sources = ();
4967 foreach my $prefix (@prefixes)
4969 (my $curs = $prefix) =~ s/^(?:nobase_)?(?:dist_|nodist_)?//;
4972 if $curs eq 'EXTRA';
4974 push @java_sources, '$(' . $prefix . '_JAVA' . ')';
4978 err_var "${curs}_JAVA", "multiple _JAVA primaries in use"
4979 unless $curs eq $dir;
4985 define_pretty_variable ('am__java_sources', TRUE, INTERNAL,
4988 if ($dir eq 'check')
4990 push (@check, "class$dir.stamp");
4994 push (@all, "class$dir.stamp");
4999 # Handle some of the minor options.
5000 sub handle_minor_options
5002 if (option 'readme-alpha')
5004 if ($relative_dir eq '.')
5006 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
5008 msg ('error-gnits', $package_version_location,
5009 "version '$package_version' doesn't follow " .
5012 if (defined $1 && -f 'README-alpha')
5014 # This means we have an alpha release. See
5015 # GNITS_VERSION_PATTERN for details.
5016 push_dist_common ('README-alpha');
5022 ################################################################
5024 # ($OUTPUT, @INPUTS)
5025 # &split_config_file_spec ($SPEC)
5026 # -------------------------------
5027 # Decode the Autoconf syntax for config files (files, headers, links
5029 sub split_config_file_spec ($)
5032 my ($output, @inputs) = split (/:/, $spec);
5034 push @inputs, "$output.in"
5037 return ($output, @inputs);
5041 # locate_am (@POSSIBLE_SOURCES)
5042 # -----------------------------
5043 # AC_CONFIG_FILES allow specifications such as Makefile:top.in:mid.in:bot.in
5044 # This functions returns the first *.in file for which a *.am exists.
5045 # It returns undef otherwise.
5050 foreach my $file (@rest)
5052 if (($file =~ /^(.*)\.in$/) && -f "$1.am")
5063 # &scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
5064 # ---------------------------------------------------
5065 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
5067 sub scan_autoconf_config_files ($$)
5069 my ($where, $config_files) = @_;
5071 # Look at potential Makefile.am's.
5072 foreach (split ' ', $config_files)
5074 # Must skip empty string for Perl 4.
5075 next if $_ eq "\\" || $_ eq '';
5077 # Handle $local:$input syntax.
5078 my ($local, @rest) = split (/:/);
5079 @rest = ("$local.in",) unless @rest;
5080 # Keep in sync with 'conffile-leading-dot.test'.
5081 msg ('unsupported', $where,
5082 "omit leading './' from config file names such as '$local';"
5083 . "\nremake rules might be subtly broken otherwise")
5084 if ($local =~ /^\.\//);
5085 my $input = locate_am @rest;
5088 # We have a file that automake should generate.
5089 $make_list{$input} = join (':', ($local, @rest));
5093 # We have a file that automake should cause to be
5094 # rebuilt, but shouldn't generate itself.
5095 push (@other_input_files, $_);
5097 $ac_config_files_location{$local} = $where;
5098 $ac_config_files_condition{$local} =
5099 new Automake::Condition (@cond_stack)
5105 # &scan_autoconf_traces ($FILENAME)
5106 # ---------------------------------
5107 sub scan_autoconf_traces ($)
5109 my ($filename) = @_;
5111 # Macros to trace, with their minimal number of arguments.
5113 # IMPORTANT: If you add a macro here, you should also add this macro
5114 # ========= to Automake-preselection in autoconf/lib/autom4te.in.
5116 AC_CANONICAL_BUILD => 0,
5117 AC_CANONICAL_HOST => 0,
5118 AC_CANONICAL_TARGET => 0,
5119 AC_CONFIG_AUX_DIR => 1,
5120 AC_CONFIG_FILES => 1,
5121 AC_CONFIG_HEADERS => 1,
5122 AC_CONFIG_LIBOBJ_DIR => 1,
5123 AC_CONFIG_LINKS => 1,
5127 AC_REQUIRE_AUX_FILE => 1,
5128 AC_SUBST_TRACE => 1,
5129 AM_AUTOMAKE_VERSION => 1,
5130 AM_CONDITIONAL => 2,
5131 _AM_EXTRA_RECURSIVE_TARGETS => 1,
5132 AM_GNU_GETTEXT => 0,
5133 AM_GNU_GETTEXT_INTL_SUBDIR => 0,
5134 AM_INIT_AUTOMAKE => 0,
5135 AM_MAINTAINER_MODE => 0,
5137 AM_PROG_CC_C_O => 0,
5138 _AM_SUBST_NOTMAKE => 1,
5141 _AM_COND_ENDIF => 1,
5142 LT_SUPPORTED_TAG => 1,
5143 _LT_AC_TAGCONFIG => 0,
5149 my $traces = ($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ";
5151 # Use a separator unlikely to be used, not ':', the default, which
5152 # has a precise meaning for AC_CONFIG_FILES and so on.
5153 $traces .= join (' ',
5154 map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
5157 my $tracefh = new Automake::XFile ("$traces $filename |");
5158 verb "reading $traces";
5163 while ($_ = $tracefh->getline)
5166 my ($here, $depth, @args) = split (/::/);
5167 $where = new Automake::Location $here;
5168 my $macro = $args[0];
5170 prog_error ("unrequested trace '$macro'")
5171 unless exists $traced{$macro};
5173 # Skip and diagnose malformed calls.
5174 if ($#args < $traced{$macro})
5176 msg ('syntax', $where, "not enough arguments for $macro");
5180 # Alphabetical ordering please.
5181 if ($macro eq 'AC_CANONICAL_BUILD')
5183 if ($seen_canonical <= AC_CANONICAL_BUILD)
5185 $seen_canonical = AC_CANONICAL_BUILD;
5188 elsif ($macro eq 'AC_CANONICAL_HOST')
5190 if ($seen_canonical <= AC_CANONICAL_HOST)
5192 $seen_canonical = AC_CANONICAL_HOST;
5195 elsif ($macro eq 'AC_CANONICAL_TARGET')
5197 $seen_canonical = AC_CANONICAL_TARGET;
5199 elsif ($macro eq 'AC_CONFIG_AUX_DIR')
5201 if ($seen_init_automake)
5203 error ($where, "AC_CONFIG_AUX_DIR must be called before "
5204 . "AM_INIT_AUTOMAKE ...", partial => 1);
5205 error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
5207 $config_aux_dir = $args[1];
5208 $config_aux_dir_set_in_configure_ac = 1;
5209 check_directory ($config_aux_dir, $where);
5211 elsif ($macro eq 'AC_CONFIG_FILES')
5213 # Look at potential Makefile.am's.
5214 scan_autoconf_config_files ($where, $args[1]);
5216 elsif ($macro eq 'AC_CONFIG_HEADERS')
5218 foreach my $spec (split (' ', $args[1]))
5220 my ($dest, @src) = split (':', $spec);
5221 $ac_config_files_location{$dest} = $where;
5222 push @config_headers, $spec;
5225 elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
5227 $config_libobj_dir = $args[1];
5228 check_directory ($config_libobj_dir, $where);
5230 elsif ($macro eq 'AC_CONFIG_LINKS')
5232 foreach my $spec (split (' ', $args[1]))
5234 my ($dest, $src) = split (':', $spec);
5235 $ac_config_files_location{$dest} = $where;
5236 push @config_links, $spec;
5239 elsif ($macro eq 'AC_FC_SRCEXT')
5241 my $suffix = $args[1];
5242 # These flags are used as %SOURCEFLAG% in depend2.am,
5243 # where the trailing space is important.
5244 $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
5245 if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
5247 elsif ($macro eq 'AC_INIT')
5249 if (defined $args[2])
5251 $package_version = $args[2];
5252 $package_version_location = $where;
5255 elsif ($macro eq 'AC_LIBSOURCE')
5257 $libsources{$args[1]} = $here;
5259 elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
5261 # Only remember the first time a file is required.
5262 $required_aux_file{$args[1]} = $where
5263 unless exists $required_aux_file{$args[1]};
5265 elsif ($macro eq 'AC_SUBST_TRACE')
5267 # Just check for alphanumeric in AC_SUBST_TRACE. If you do
5268 # AC_SUBST(5), then too bad.
5269 $configure_vars{$args[1]} = $where
5270 if $args[1] =~ /^\w+$/;
5272 elsif ($macro eq 'AM_AUTOMAKE_VERSION')
5275 "version mismatch. This is Automake $VERSION,\n" .
5276 "but the definition used by this AM_INIT_AUTOMAKE\n" .
5277 "comes from Automake $args[1]. You should recreate\n" .
5278 "aclocal.m4 with aclocal and run automake again.\n",
5279 # $? = 63 is used to indicate version mismatch to missing.
5281 if $VERSION ne $args[1];
5283 $seen_automake_version = 1;
5285 elsif ($macro eq 'AM_CONDITIONAL')
5287 $configure_cond{$args[1]} = $where;
5289 elsif ($macro eq '_AM_EXTRA_RECURSIVE_TARGETS')
5291 push @extra_recursive_targets, split (' ', $args[1]);
5293 elsif ($macro eq 'AM_GNU_GETTEXT')
5295 $seen_gettext = $where;
5296 $ac_gettext_location = $where;
5297 $seen_gettext_external = grep ($_ eq 'external', @args);
5299 elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
5301 $seen_gettext_intl = $where;
5303 elsif ($macro eq 'AM_INIT_AUTOMAKE')
5305 $seen_init_automake = $where;
5306 if (defined $args[2])
5308 msg 'obsolete', $where, <<'EOF';
5309 AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see:
5310 http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_INIT_AUTOMAKE-invocation
5312 $package_version = $args[2];
5313 $package_version_location = $where;
5315 elsif (defined $args[1])
5317 my @opts = split (' ', $args[1]);
5318 @opts = map { { option => $_, where => $where } } @opts;
5319 exit $exit_code if process_global_option_list (@opts);
5322 elsif ($macro eq 'AM_MAINTAINER_MODE')
5324 $seen_maint_mode = $where;
5326 elsif ($macro eq 'AM_PROG_AR')
5330 elsif ($macro eq 'AM_PROG_CC_C_O')
5332 $seen_cc_c_o = $where;
5334 elsif ($macro eq '_AM_COND_IF')
5336 cond_stack_if ('', $args[1], $where);
5337 error ($where, "missing m4 quoting, macro depth $depth")
5340 elsif ($macro eq '_AM_COND_ELSE')
5342 cond_stack_else ('!', $args[1], $where);
5343 error ($where, "missing m4 quoting, macro depth $depth")
5346 elsif ($macro eq '_AM_COND_ENDIF')
5348 cond_stack_endif (undef, undef, $where);
5349 error ($where, "missing m4 quoting, macro depth $depth")
5352 elsif ($macro eq '_AM_SUBST_NOTMAKE')
5354 $ignored_configure_vars{$args[1]} = $where;
5356 elsif ($macro eq 'm4_include'
5357 || $macro eq 'm4_sinclude'
5358 || $macro eq 'sinclude')
5360 # Skip missing 'sinclude'd files.
5361 next if $macro ne 'm4_include' && ! -f $args[1];
5363 # Some modified versions of Autoconf don't use
5364 # frozen files. Consequently it's possible that we see all
5365 # m4_include's performed during Autoconf's startup.
5366 # Obviously we don't want to distribute Autoconf's files
5367 # so we skip absolute filenames here.
5368 push @configure_deps, '$(top_srcdir)/' . $args[1]
5369 unless $here =~ m,^(?:\w:)?[\\/],;
5370 # Keep track of the greatest timestamp.
5373 my $mtime = mtime $args[1];
5374 $configure_deps_greatest_timestamp = $mtime
5375 if $mtime > $configure_deps_greatest_timestamp;
5378 elsif ($macro eq 'LT_SUPPORTED_TAG')
5380 $libtool_tags{$args[1]} = 1;
5381 $libtool_new_api = 1;
5383 elsif ($macro eq '_LT_AC_TAGCONFIG')
5385 # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
5386 # We use it to detect whether tags are supported. Our
5387 # preferred interface is LT_SUPPORTED_TAG, but it was
5388 # introduced in Libtool 1.6.
5389 if (0 == keys %libtool_tags)
5391 # Hardcode the tags supported by Libtool 1.5.
5392 %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
5397 error ($where, "condition stack not properly closed")
5404 # &scan_autoconf_files ()
5405 # -----------------------
5406 # Check whether we use 'configure.ac' or 'configure.in'.
5407 # Scan it (and possibly 'aclocal.m4') for interesting things.
5408 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
5409 sub scan_autoconf_files ()
5411 # Reinitialize libsources here. This isn't really necessary,
5412 # since we currently assume there is only one configure.ac. But
5413 # that won't always be the case.
5416 # Keep track of the youngest configure dependency.
5417 $configure_deps_greatest_timestamp = mtime $configure_ac;
5418 if (-e 'aclocal.m4')
5420 my $mtime = mtime 'aclocal.m4';
5421 $configure_deps_greatest_timestamp = $mtime
5422 if $mtime > $configure_deps_greatest_timestamp;
5425 scan_autoconf_traces ($configure_ac);
5427 @configure_input_files = sort keys %make_list;
5428 # Set input and output files if not specified by user.
5431 @input_files = @configure_input_files;
5432 %output_files = %make_list;
5436 if (! $seen_init_automake)
5438 err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
5439 . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
5440 . "\nthat aclocal.m4 is present in the top-level directory,\n"
5441 . "and that aclocal.m4 was recently regenerated "
5442 . "(using aclocal)");
5446 if (! $seen_automake_version)
5448 if (-f 'aclocal.m4')
5450 error ($seen_init_automake,
5451 "your implementation of AM_INIT_AUTOMAKE comes from " .
5452 "an\nold Automake version. You should recreate " .
5453 "aclocal.m4\nwith aclocal and run automake again",
5454 # $? = 63 is used to indicate version mismatch to missing.
5459 error ($seen_init_automake,
5460 "no proper implementation of AM_INIT_AUTOMAKE was " .
5461 "found,\nprobably because aclocal.m4 is missing.\n" .
5462 "You should run aclocal to create this file, then\n" .
5463 "run automake again");
5470 # Look for some files we need. Always check for these. This
5471 # check must be done for every run, even those where we are only
5472 # looking at a subdir Makefile. We must set relative_dir for
5473 # push_required_file to work.
5474 # Sort the files for stable verbose output.
5475 $relative_dir = '.';
5476 foreach my $file (sort keys %required_aux_file)
5478 require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
5480 err_am "'install.sh' is an anachronism; use 'install-sh' instead"
5481 if -f $config_aux_dir . '/install.sh';
5483 # Preserve dist_common for later.
5484 $configure_dist_common = variable_value ('DIST_COMMON') || '';
5488 ################################################################
5490 # Do any extra checking for GNU standards.
5491 sub check_gnu_standards
5493 if ($relative_dir eq '.')
5495 # In top level (or only) directory.
5496 require_file ("$am_file.am", GNU,
5497 qw/INSTALL NEWS README AUTHORS ChangeLog/);
5499 # Accept one of these three licenses; default to COPYING.
5500 # Make sure we do not overwrite an existing license.
5502 foreach (qw /COPYING COPYING.LIB COPYING.LESSER/)
5510 require_file ("$am_file.am", GNU, 'COPYING')
5514 for my $opt ('no-installman', 'no-installinfo')
5516 msg ('error-gnu', option $opt,
5517 "option '$opt' disallowed by GNU standards")
5522 # Do any extra checking for GNITS standards.
5523 sub check_gnits_standards
5525 if ($relative_dir eq '.')
5527 # In top level (or only) directory.
5528 require_file ("$am_file.am", GNITS, 'THANKS');
5532 ################################################################
5534 # Functions to handle files of each language.
5536 # Each 'lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
5537 # simple formula: Return value is LANG_SUBDIR if the resulting object
5538 # file should be in a subdir if the source file is, LANG_PROCESS if
5539 # file is to be dealt with, LANG_IGNORE otherwise.
5541 # Much of the actual processing is handled in
5542 # handle_single_transform. These functions exist so that
5543 # auxiliary information can be recorded for a later cleanup pass.
5544 # Note that the calls to these functions are computed, so don't bother
5545 # searching for their precise names in the source.
5547 # This is just a convenience function that can be used to determine
5548 # when a subdir object should be used.
5551 return option 'subdir-objects' ? LANG_SUBDIR : LANG_PROCESS;
5554 # Rewrite a single C source file.
5557 my ($directory, $base, $ext, $obj, $have_per_exec_flags, $var) = @_;
5559 my $r = LANG_PROCESS;
5560 if (option 'subdir-objects')
5563 if ($directory && $directory ne '.')
5565 $base = $directory . '/' . $base;
5567 # libtool is always able to put the object at the proper place,
5568 # so we do not have to require AM_PROG_CC_C_O when building .lo files.
5569 msg_var ('portability', $var,
5570 "compiling '$base.c' in subdir requires "
5571 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5572 uniq_scope => US_GLOBAL,
5573 uniq_part => 'AM_PROG_CC_C_O subdir')
5574 unless $seen_cc_c_o || $obj eq '.lo';
5579 && $have_per_exec_flags
5580 && ! option 'subdir-objects'
5583 msg_var ('portability',
5584 $var, "compiling '$base.c' with per-target flags requires "
5585 . "'AM_PROG_CC_C_O' in '$configure_ac'",
5586 uniq_scope => US_GLOBAL,
5587 uniq_part => 'AM_PROG_CC_C_O per-target')
5593 # Rewrite a single header file.
5594 sub lang_header_rewrite
5596 # Header files are simply ignored.
5600 # Rewrite a single Vala source file.
5601 sub lang_vala_rewrite
5603 my ($directory, $base, $ext) = @_;
5605 (my $newext = $ext) =~ s/vala$/c/;
5606 return (LANG_SUBDIR, $newext);
5609 # Rewrite a single yacc/yacc++ file.
5610 sub lang_yacc_rewrite
5612 my ($directory, $base, $ext) = @_;
5614 my $r = &lang_sub_obj;
5615 (my $newext = $ext) =~ tr/y/c/;
5616 return ($r, $newext);
5618 sub lang_yaccxx_rewrite { lang_yacc_rewrite (@_); };
5620 # Rewrite a single lex/lex++ file.
5621 sub lang_lex_rewrite
5623 my ($directory, $base, $ext) = @_;
5625 my $r = &lang_sub_obj;
5626 (my $newext = $ext) =~ tr/l/c/;
5627 return ($r, $newext);
5629 sub lang_lexxx_rewrite { lang_lex_rewrite (@_); };
5631 # Rewrite a single Java file.
5632 sub lang_java_rewrite
5637 # The lang_X_finish functions are called after all source file
5638 # processing is done. Each should handle defining rules for the
5639 # language, etc. A finish function is only called if a source file of
5640 # the appropriate type has been seen.
5642 sub lang_vala_finish_target ($$)
5644 my ($self, $name) = @_;
5646 my $derived = canonicalize ($name);
5647 my $var = var "${derived}_SOURCES";
5650 my @vala_sources = grep { /\.(vala|vapi)$/ } ($var->value_as_list_recursive);
5652 # For automake bug#11229.
5653 return unless @vala_sources;
5655 foreach my $vala_file (@vala_sources)
5657 my $c_file = $vala_file;
5658 if ($c_file =~ s/(.*)\.vala$/$1.c/)
5660 $c_file = "\$(srcdir)/$c_file";
5661 $output_rules .= "$c_file: \$(srcdir)/${derived}_vala.stamp\n"
5662 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5663 . "\t\@if test -f \$@; then :; else \\\n"
5664 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5666 $clean_files{$c_file} = MAINTAINER_CLEAN;
5670 # Add rebuild rules for generated header and vapi files
5671 my $flags = var ($derived . '_VALAFLAGS');
5675 foreach my $flag ($flags->value_as_list_recursive)
5677 if (grep (/$lastflag/, ('-H', '-h', '--header', '--internal-header',
5678 '--vapi', '--internal-vapi', '--gir')))
5680 my $headerfile = "\$(srcdir)/$flag";
5681 $output_rules .= "$headerfile: \$(srcdir)/${derived}_vala.stamp\n"
5682 . "\t\@if test -f \$@; then :; else rm -f \$(srcdir)/${derived}_vala.stamp; fi\n"
5683 . "\t\@if test -f \$@; then :; else \\\n"
5684 . "\t \$(MAKE) \$(AM_MAKEFLAGS) \$(srcdir)/${derived}_vala.stamp; \\\n"
5687 # valac is not used when building from dist tarballs
5688 # distribute the generated files
5689 push_dist_common ($headerfile);
5690 $clean_files{$headerfile} = MAINTAINER_CLEAN;
5696 my $compile = $self->compile;
5698 # Rewrite each occurrence of 'AM_VALAFLAGS' in the compile
5699 # rule into '${derived}_VALAFLAGS' if it exists.
5700 my $val = "${derived}_VALAFLAGS";
5701 $compile =~ s/\(AM_VALAFLAGS\)/\($val\)/
5704 # VALAFLAGS is a user variable (per GNU Standards),
5705 # it should not be overridden in the Makefile...
5706 check_user_variables 'VALAFLAGS';
5708 my $dirname = dirname ($name);
5710 # Only generate C code, do not run C compiler
5713 my $verbose = verbose_flag ('VALAC');
5714 my $silent = silent_flag ();
5715 my $stampfile = "\$(srcdir)/${derived}_vala.stamp";
5718 "\$(srcdir)/${derived}_vala.stamp: @vala_sources\n".
5719 # Since the C files generated from the vala sources depend on the
5720 # ${derived}_vala.stamp file, we must ensure its timestamp is older than
5721 # those of the C files generated by the valac invocation below (this is
5722 # especially important on systems with sub-second timestamp resolution).
5723 # Thus we need to create the stamp file *before* invoking valac, and to
5724 # move it to its final location only after valac has been invoked.
5725 "\t${silent}rm -f \$\@ && echo stamp > \$\@-t\n".
5726 "\t${verbose}\$(am__cd) \$(srcdir) && $compile @vala_sources\n".
5727 "\t${silent}mv -f \$\@-t \$\@\n";
5729 push_dist_common ($stampfile);
5731 $clean_files{$stampfile} = MAINTAINER_CLEAN;
5734 # Add output rules to invoke valac and create stamp file as a witness
5735 # to handle multiple outputs. This function is called after all source
5736 # file processing is done.
5737 sub lang_vala_finish
5741 foreach my $prog (keys %known_programs)
5743 lang_vala_finish_target ($self, $prog);
5746 while (my ($name) = each %known_libraries)
5748 lang_vala_finish_target ($self, $name);
5752 # The built .c files should be cleaned only on maintainer-clean
5753 # as the .c files are distributed. This function is called for each
5754 # .vala source file.
5755 sub lang_vala_target_hook
5757 my ($self, $aggregate, $output, $input, %transform) = @_;
5759 $clean_files{$output} = MAINTAINER_CLEAN;
5762 # This is a yacc helper which is called whenever we have decided to
5763 # compile a yacc file.
5764 sub lang_yacc_target_hook
5766 my ($self, $aggregate, $output, $input, %transform) = @_;
5768 # If some relevant *YFLAGS variable contains the '-d' flag, we'll
5769 # have to to generate special code.
5770 my $yflags_contains_minus_d = 0;
5772 foreach my $pfx ("", "${aggregate}_")
5774 my $yflagsvar = var ("${pfx}YFLAGS");
5775 next unless $yflagsvar;
5776 # We cannot work reliably with conditionally-defined YFLAGS.
5777 if ($yflagsvar->has_conditional_contents)
5779 msg_var ('unsupported', $yflagsvar,
5780 "'${pfx}YFLAGS' cannot have conditional contents");
5784 $yflags_contains_minus_d = 1
5785 if grep (/^-d$/, $yflagsvar->value_as_list_recursive);
5789 if ($yflags_contains_minus_d)
5791 # Found a '-d' that applies to the compilation of this file.
5792 # Add a dependency for the generated header file, and arrange
5793 # for that file to be included in the distribution.
5795 # The extension of the output file (e.g., '.c' or '.cxx').
5796 # We'll need it to compute the name of the generated header file.
5797 (my $output_ext = basename ($output)) =~ s/.*(\.[^.]+)$/$1/;
5799 # We know that a yacc input should be turned into either a C or
5800 # C++ output file. We depend on this fact (here and in yacc.am),
5801 # so check that it really holds.
5802 my $lang = $languages{$extension_map{$output_ext}};
5803 prog_error "invalid output name '$output' for yacc file '$input'"
5804 if (!$lang || ($lang->name ne 'c' && $lang->name ne 'cxx'));
5806 (my $header_ext = $output_ext) =~ s/c/h/g;
5807 # Quote $output_ext in the regexp, so that dots in it are taken
5808 # as literal dots, not as metacharacters.
5809 (my $header = $output) =~ s/\Q$output_ext\E$/$header_ext/;
5811 foreach my $cond (Automake::Rule::define (${header}, 'internal',
5812 RULE_AUTOMAKE, TRUE,
5815 my $condstr = $cond->subst_string;
5817 "$condstr${header}: $output\n"
5818 # Recover from removal of $header
5819 . "$condstr\t\@if test ! -f \$@; then rm -f $output; else :; fi\n"
5820 . "$condstr\t\@if test ! -f \$@; then \$(MAKE) \$(AM_MAKEFLAGS) $output; else :; fi\n";
5822 # Distribute the generated file, unless its .y source was
5823 # listed in a nodist_ variable. (&handle_source_transform
5824 # will set DIST_SOURCE.)
5825 &push_dist_common ($header)
5826 if $transform{'DIST_SOURCE'};
5828 # The GNU rules say that yacc/lex output files should be removed
5829 # by maintainer-clean. However, if the files are not distributed,
5830 # then we want to remove them with "make clean"; otherwise,
5831 # "make distcheck" will fail.
5832 $clean_files{$header} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5834 # See the comment above for $HEADER.
5835 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5838 # This is a lex helper which is called whenever we have decided to
5839 # compile a lex file.
5840 sub lang_lex_target_hook
5842 my ($self, $aggregate, $output, $input, %transform) = @_;
5843 # The GNU rules say that yacc/lex output files should be removed
5844 # by maintainer-clean. However, if the files are not distributed,
5845 # then we want to remove them with "make clean"; otherwise,
5846 # "make distcheck" will fail.
5847 $clean_files{$output} = $transform{'DIST_SOURCE'} ? MAINTAINER_CLEAN : CLEAN;
5850 # This is a helper for both lex and yacc.
5851 sub yacc_lex_finish_helper
5853 return if defined $language_scratch{'lex-yacc-done'};
5854 $language_scratch{'lex-yacc-done'} = 1;
5856 # FIXME: for now, no line number.
5857 require_conf_file ($configure_ac, FOREIGN, 'ylwrap');
5858 &define_variable ('YLWRAP', "$am_config_aux_dir/ylwrap", INTERNAL);
5861 sub lang_yacc_finish
5863 return if defined $language_scratch{'yacc-done'};
5864 $language_scratch{'yacc-done'} = 1;
5866 reject_var 'YACCFLAGS', "'YACCFLAGS' obsolete; use 'YFLAGS' instead";
5868 yacc_lex_finish_helper;
5874 return if defined $language_scratch{'lex-done'};
5875 $language_scratch{'lex-done'} = 1;
5877 yacc_lex_finish_helper;
5881 # Given a hash table of linker names, pick the name that has the most
5882 # precedence. This is lame, but something has to have global
5883 # knowledge in order to eliminate the conflict. Add more linkers as
5889 foreach my $l (qw(GCJLINK OBJCXXLINK CXXLINK F77LINK FCLINK OBJCLINK UPCLINK))
5891 return $l if defined $linkers{$l};
5896 # Called to indicate that an extension was used.
5900 $extension_seen{$ext} = 1;
5903 # register_language (%ATTRIBUTE)
5904 # ------------------------------
5905 # Register a single language.
5906 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
5907 sub register_language (%)
5912 $option{'autodep'} = 'no'
5913 unless defined $option{'autodep'};
5914 $option{'linker'} = ''
5915 unless defined $option{'linker'};
5916 $option{'flags'} = []
5917 unless defined $option{'flags'};
5918 $option{'output_extensions'} = sub { return ( '.$(OBJEXT)', '.lo' ) }
5919 unless defined $option{'output_extensions'};
5920 $option{'nodist_specific'} = 0
5921 unless defined $option{'nodist_specific'};
5923 my $lang = new Language (%option);
5926 $extension_map{$_} = $lang->name foreach @{$lang->extensions};
5927 $languages{$lang->name} = $lang;
5928 my $link = $lang->linker;
5931 if (exists $link_languages{$link})
5933 prog_error ("'$link' has different definitions in "
5934 . $lang->name . " and " . $link_languages{$link}->name)
5935 if $lang->link ne $link_languages{$link}->link;
5939 $link_languages{$link} = $lang;
5943 # Update the pattern of known extensions.
5944 accept_extensions (@{$lang->extensions});
5946 # Upate the $suffix_rule map.
5947 foreach my $suffix (@{$lang->extensions})
5949 foreach my $dest (&{$lang->output_extensions} ($suffix))
5951 register_suffix_rule (INTERNAL, $suffix, $dest);
5956 # derive_suffix ($EXT, $OBJ)
5957 # --------------------------
5958 # This function is used to find a path from a user-specified suffix $EXT
5959 # to $OBJ or to some other suffix we recognize internally, e.g. 'cc'.
5960 sub derive_suffix ($$)
5962 my ($source_ext, $obj) = @_;
5964 while (! $extension_map{$source_ext}
5965 && $source_ext ne $obj
5966 && exists $suffix_rules->{$source_ext}
5967 && exists $suffix_rules->{$source_ext}{$obj})
5969 $source_ext = $suffix_rules->{$source_ext}{$obj}[0];
5976 ################################################################
5978 # Pretty-print something and append to output_rules.
5979 sub pretty_print_rule
5981 $output_rules .= &makefile_wrap (@_);
5985 ################################################################
5988 ## -------------------------------- ##
5989 ## Handling the conditional stack. ##
5990 ## -------------------------------- ##
5994 # make_conditional_string ($NEGATE, $COND)
5995 # ----------------------------------------
5996 sub make_conditional_string ($$)
5998 my ($negate, $cond) = @_;
5999 $cond = "${cond}_TRUE"
6000 unless $cond =~ /^TRUE|FALSE$/;
6001 $cond = Automake::Condition::conditional_negate ($cond)
6007 my %_am_macro_for_cond =
6009 AMDEP => "one of the compiler tests\n"
6010 . " AC_PROG_CC, AC_PROG_CXX, AC_PROG_OBJC, AC_PROG_OBJCXX,\n"
6011 . " AM_PROG_AS, AM_PROG_GCJ, AM_PROG_UPC",
6012 am__fastdepCC => 'AC_PROG_CC',
6013 am__fastdepCCAS => 'AM_PROG_AS',
6014 am__fastdepCXX => 'AC_PROG_CXX',
6015 am__fastdepGCJ => 'AM_PROG_GCJ',
6016 am__fastdepOBJC => 'AC_PROG_OBJC',
6017 am__fastdepOBJCXX => 'AC_PROG_OBJCXX',
6018 am__fastdepUPC => 'AM_PROG_UPC'
6022 # cond_stack_if ($NEGATE, $COND, $WHERE)
6023 # --------------------------------------
6024 sub cond_stack_if ($$$)
6026 my ($negate, $cond, $where) = @_;
6028 if (! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/)
6030 my $text = "$cond does not appear in AM_CONDITIONAL";
6031 my $scope = US_LOCAL;
6032 if (exists $_am_macro_for_cond{$cond})
6034 my $mac = $_am_macro_for_cond{$cond};
6035 $text .= "\n The usual way to define '$cond' is to add ";
6036 $text .= ($mac =~ / /) ? $mac : "'$mac'";
6037 $text .= "\n to '$configure_ac' and run 'aclocal' and 'autoconf' again";
6038 # These warnings appear in Automake files (depend2.am),
6039 # so there is no need to display them more than once:
6042 error $where, $text, uniq_scope => $scope;
6045 push (@cond_stack, make_conditional_string ($negate, $cond));
6047 return new Automake::Condition (@cond_stack);
6052 # cond_stack_else ($NEGATE, $COND, $WHERE)
6053 # ----------------------------------------
6054 sub cond_stack_else ($$$)
6056 my ($negate, $cond, $where) = @_;
6060 error $where, "else without if";
6064 $cond_stack[$#cond_stack] =
6065 Automake::Condition::conditional_negate ($cond_stack[$#cond_stack]);
6067 # If $COND is given, check against it.
6070 $cond = make_conditional_string ($negate, $cond);
6072 error ($where, "else reminder ($negate$cond) incompatible with "
6073 . "current conditional: $cond_stack[$#cond_stack]")
6074 if $cond_stack[$#cond_stack] ne $cond;
6077 return new Automake::Condition (@cond_stack);
6082 # cond_stack_endif ($NEGATE, $COND, $WHERE)
6083 # -----------------------------------------
6084 sub cond_stack_endif ($$$)
6086 my ($negate, $cond, $where) = @_;
6091 error $where, "endif without if";
6095 # If $COND is given, check against it.
6098 $cond = make_conditional_string ($negate, $cond);
6100 error ($where, "endif reminder ($negate$cond) incompatible with "
6101 . "current conditional: $cond_stack[$#cond_stack]")
6102 if $cond_stack[$#cond_stack] ne $cond;
6107 return new Automake::Condition (@cond_stack);
6114 ## ------------------------ ##
6115 ## Handling the variables. ##
6116 ## ------------------------ ##
6119 # &define_pretty_variable ($VAR, $COND, $WHERE, @VALUE)
6120 # -----------------------------------------------------
6121 # Like define_variable, but the value is a list, and the variable may
6122 # be defined conditionally. The second argument is the condition
6123 # under which the value should be defined; this should be the empty
6124 # string to define the variable unconditionally. The third argument
6125 # is a list holding the values to use for the variable. The value is
6126 # pretty printed in the output file.
6127 sub define_pretty_variable ($$$@)
6129 my ($var, $cond, $where, @value) = @_;
6131 if (! vardef ($var, $cond))
6133 Automake::Variable::define ($var, VAR_AUTOMAKE, '', $cond, "@value",
6134 '', $where, VAR_PRETTY);
6135 rvar ($var)->rdef ($cond)->set_seen;
6140 # define_variable ($VAR, $VALUE, $WHERE)
6141 # --------------------------------------
6142 # Define a new Automake Makefile variable VAR to VALUE, but only if
6143 # not already defined.
6144 sub define_variable ($$$)
6146 my ($var, $value, $where) = @_;
6147 define_pretty_variable ($var, TRUE, $where, $value);
6151 # define_files_variable ($VAR, \@BASENAME, $EXTENSION, $WHERE)
6152 # ------------------------------------------------------------
6153 # Define the $VAR which content is the list of file names composed of
6154 # a @BASENAME and the $EXTENSION.
6155 sub define_files_variable ($\@$$)
6157 my ($var, $basename, $extension, $where) = @_;
6158 define_variable ($var,
6159 join (' ', map { "$_.$extension" } @$basename),
6164 # Like define_variable, but define a variable to be the configure
6165 # substitution by the same name.
6166 sub define_configure_variable ($)
6169 # Some variables we do not want to output. For instance it
6170 # would be a bad idea to output `U = @U@` when `@U@` can be
6171 # substituted as `\`.
6172 my $pretty = exists $ignored_configure_vars{$var} ? VAR_SILENT : VAR_ASIS;
6173 Automake::Variable::define ($var, VAR_CONFIGURE, '', TRUE, subst $var,
6174 '', $configure_vars{$var}, $pretty);
6178 # define_compiler_variable ($LANG)
6179 # --------------------------------
6180 # Define a compiler variable. We also handle defining the 'LT'
6181 # version of the command when using libtool.
6182 sub define_compiler_variable ($)
6186 my ($var, $value) = ($lang->compiler, $lang->compile);
6187 my $libtool_tag = '';
6188 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6189 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6190 &define_variable ($var, $value, INTERNAL);
6191 if (var ('LIBTOOL'))
6193 my $verbose = define_verbose_libtool ();
6194 &define_variable ("LT$var",
6195 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6196 . "\$(LIBTOOLFLAGS) --mode=compile $value",
6199 define_verbose_tagvar ($lang->ccer || 'GEN');
6203 # define_linker_variable ($LANG)
6204 # ------------------------------
6205 # Define linker variables.
6206 sub define_linker_variable ($)
6210 my $libtool_tag = '';
6211 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6212 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6214 &define_variable ($lang->lder, $lang->ld, INTERNAL);
6215 # CCLINK = $(CCLD) blah blah...
6217 if (var ('LIBTOOL'))
6219 my $verbose = define_verbose_libtool ();
6220 $link = "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) "
6221 . "\$(LIBTOOLFLAGS) --mode=link ";
6223 &define_variable ($lang->linker, $link . $lang->link, INTERNAL);
6224 &define_variable ($lang->compiler, $lang);
6225 &define_verbose_tagvar ($lang->lder || 'GEN');
6228 sub define_per_target_linker_variable ($$)
6230 my ($linker, $target) = @_;
6232 # If the user wrote a custom link command, we don't define ours.
6233 return "${target}_LINK"
6234 if set_seen "${target}_LINK";
6236 my $xlink = $linker ? $linker : 'LINK';
6238 my $lang = $link_languages{$xlink};
6239 prog_error "Unknown language for linker variable '$xlink'"
6242 my $link_command = $lang->link;
6245 my $libtool_tag = '';
6246 $libtool_tag = '--tag=' . $lang->libtool_tag . ' '
6247 if $lang->libtool_tag && exists $libtool_tags{$lang->libtool_tag};
6249 my $verbose = define_verbose_libtool ();
6251 "\$(LIBTOOL) $verbose $libtool_tag\$(AM_LIBTOOLFLAGS) \$(LIBTOOLFLAGS) "
6252 . "--mode=link " . $link_command;
6255 # Rewrite each occurrence of 'AM_$flag' in the link
6256 # command into '${derived}_$flag' if it exists.
6257 my $orig_command = $link_command;
6258 my @flags = (@{$lang->flags}, 'LDFLAGS');
6259 push @flags, 'LIBTOOLFLAGS' if var 'LIBTOOL';
6260 for my $flag (@flags)
6262 my $val = "${target}_$flag";
6263 $link_command =~ s/\(AM_$flag\)/\($val\)/
6267 # If the computed command is the same as the generic command, use
6268 # the command linker variable.
6269 return ($lang->linker, $lang->lder)
6270 if $link_command eq $orig_command;
6272 &define_variable ("${target}_LINK", $link_command, INTERNAL);
6273 return ("${target}_LINK", $lang->lder);
6276 ################################################################
6278 # &check_trailing_slash ($WHERE, $LINE)
6279 # -------------------------------------
6280 # Return 1 iff $LINE ends with a slash.
6281 # Might modify $LINE.
6282 sub check_trailing_slash ($\$)
6284 my ($where, $line) = @_;
6286 # Ignore '##' lines.
6287 return 0 if $$line =~ /$IGNORE_PATTERN/o;
6289 # Catch and fix a common error.
6290 msg "syntax", $where, "whitespace following trailing backslash"
6291 if $$line =~ s/\\\s+\n$/\\\n/;
6293 return $$line =~ /\\$/;
6297 # &read_am_file ($AMFILE, $WHERE)
6298 # -------------------------------
6299 # Read Makefile.am and set up %contents. Simultaneously copy lines
6300 # from Makefile.am into $output_trailer, or define variables as
6301 # appropriate. NOTE we put rules in the trailer section. We want
6302 # user rules to come after our generated stuff.
6303 sub read_am_file ($$)
6305 my ($amfile, $where) = @_;
6307 my $am_file = new Automake::XFile ("< $amfile");
6308 verb "reading $amfile";
6310 # Keep track of the youngest output dependency.
6311 my $mtime = mtime $amfile;
6312 $output_deps_greatest_timestamp = $mtime
6313 if $mtime > $output_deps_greatest_timestamp;
6319 my $var_look = VAR_ASIS;
6321 use constant IN_VAR_DEF => 0;
6322 use constant IN_RULE_DEF => 1;
6323 use constant IN_COMMENT => 2;
6324 my $prev_state = IN_RULE_DEF;
6326 while ($_ = $am_file->getline)
6328 $where->set ("$amfile:$.");
6329 if (/$IGNORE_PATTERN/o)
6331 # Merely delete comments beginning with two hashes.
6333 elsif (/$WHITE_PATTERN/o)
6335 error $where, "blank line following trailing backslash"
6337 # Stick a single white line before the incoming macro or rule.
6340 # Flush all comments seen so far.
6343 $output_vars .= $comment;
6347 elsif (/$COMMENT_PATTERN/o)
6349 # Stick comments before the incoming macro or rule. Make
6350 # sure a blank line precedes the first block of comments.
6351 $spacing = "\n" unless $blank;
6353 $comment .= $spacing . $_;
6355 $prev_state = IN_COMMENT;
6361 $saw_bk = check_trailing_slash ($where, $_);
6364 # We save the conditional stack on entry, and then check to make
6365 # sure it is the same on exit. This lets us conditionally include
6367 my @saved_cond_stack = @cond_stack;
6368 my $cond = new Automake::Condition (@cond_stack);
6370 my $last_var_name = '';
6371 my $last_var_type = '';
6372 my $last_var_value = '';
6374 # FIXME: shouldn't use $_ in this loop; it is too big.
6377 $where->set ("$amfile:$.");
6379 # Make sure the line is \n-terminated.
6383 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6384 # used by users. @MAINT@ is an anachronism now.
6385 $_ =~ s/\@MAINT\@//g
6386 unless $seen_maint_mode;
6388 my $new_saw_bk = check_trailing_slash ($where, $_);
6390 if (/$IGNORE_PATTERN/o)
6392 # Merely delete comments beginning with two hashes.
6394 # Keep any backslash from the previous line.
6395 $new_saw_bk = $saw_bk;
6397 elsif (/$WHITE_PATTERN/o)
6399 # Stick a single white line before the incoming macro or rule.
6401 error $where, "blank line following trailing backslash"
6404 elsif (/$COMMENT_PATTERN/o)
6406 error $where, "comment following trailing backslash"
6407 if $saw_bk && $prev_state != IN_COMMENT;
6409 # Stick comments before the incoming macro or rule.
6410 $comment .= $spacing . $_;
6412 $prev_state = IN_COMMENT;
6416 if ($prev_state == IN_RULE_DEF)
6418 my $cond = new Automake::Condition @cond_stack;
6419 $output_trailer .= $cond->subst_string;
6420 $output_trailer .= $_;
6422 elsif ($prev_state == IN_COMMENT)
6424 # If the line doesn't start with a '#', add it.
6425 # We do this because a continued comment like
6429 # is not portable. BSD make doesn't honor
6430 # escaped newlines in comments.
6432 $comment .= $spacing . $_;
6434 else # $prev_state == IN_VAR_DEF
6436 $last_var_value .= ' '
6437 unless $last_var_value =~ /\s$/;
6438 $last_var_value .= $_;
6442 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6443 $last_var_type, $cond,
6444 $last_var_value, $comment,
6445 $last_where, VAR_ASIS)
6447 $comment = $spacing = '';
6452 elsif (/$IF_PATTERN/o)
6454 $cond = cond_stack_if ($1, $2, $where);
6456 elsif (/$ELSE_PATTERN/o)
6458 $cond = cond_stack_else ($1, $2, $where);
6460 elsif (/$ENDIF_PATTERN/o)
6462 $cond = cond_stack_endif ($1, $2, $where);
6465 elsif (/$RULE_PATTERN/o)
6468 $prev_state = IN_RULE_DEF;
6470 # For now we have to output all definitions of user rules
6471 # and can't diagnose duplicates (see the comment in
6472 # Automake::Rule::define). So we go on and ignore the return value.
6473 Automake::Rule::define ($1, $amfile, RULE_USER, $cond, $where);
6475 check_variable_expansions ($_, $where);
6477 $output_trailer .= $comment . $spacing;
6478 my $cond = new Automake::Condition @cond_stack;
6479 $output_trailer .= $cond->subst_string;
6480 $output_trailer .= $_;
6481 $comment = $spacing = '';
6483 elsif (/$ASSIGNMENT_PATTERN/o)
6485 # Found a macro definition.
6486 $prev_state = IN_VAR_DEF;
6487 $last_var_name = $1;
6488 $last_var_type = $2;
6489 $last_var_value = $3;
6490 $last_where = $where->clone;
6491 if ($3 ne '' && substr ($3, -1) eq "\\")
6493 # We preserve the '\' because otherwise the long lines
6494 # that are generated will be truncated by broken
6496 $last_var_value = $3 . "\n";
6498 # Normally we try to output variable definitions in the
6499 # same format they were input. However, POSIX compliant
6500 # systems are not required to support lines longer than
6501 # 2048 bytes (most notably, some sed implementation are
6502 # limited to 4000 bytes, and sed is used by config.status
6503 # to rewrite Makefile.in into Makefile). Moreover nobody
6504 # would really write such long lines by hand since it is
6505 # hardly maintainable. So if a line is longer that 1000
6506 # bytes (an arbitrary limit), assume it has been
6507 # automatically generated by some tools, and flatten the
6508 # variable definition. Otherwise, keep the variable as it
6510 $var_look = VAR_PRETTY if length ($last_var_value) >= 1000;
6514 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
6515 $last_var_type, $cond,
6516 $last_var_value, $comment,
6517 $last_where, $var_look)
6519 $comment = $spacing = '';
6520 $var_look = VAR_ASIS;
6523 elsif (/$INCLUDE_PATTERN/o)
6527 if ($path =~ s/^\$\(top_srcdir\)\///)
6529 push (@include_stack, "\$\(top_srcdir\)/$path");
6530 # Distribute any included file.
6532 # Always use the $(top_srcdir) prefix in DIST_COMMON,
6533 # otherwise OSF make will implicitly copy the included
6534 # file in the build tree during "make distdir" to satisfy
6536 # (subdircond2.test and subdircond3.test will fail.)
6537 push_dist_common ("\$\(top_srcdir\)/$path");
6541 $path =~ s/\$\(srcdir\)\///;
6542 push (@include_stack, "\$\(srcdir\)/$path");
6543 # Always use the $(srcdir) prefix in DIST_COMMON,
6544 # otherwise OSF make will implicitly copy the included
6545 # file in the build tree during "make distdir" to satisfy
6547 # (subdircond2.test and subdircond3.test will fail.)
6548 push_dist_common ("\$\(srcdir\)/$path");
6549 $path = $relative_dir . "/" . $path if $relative_dir ne '.';
6551 $where->push_context ("'$path' included from here");
6552 &read_am_file ($path, $where);
6553 $where->pop_context;
6557 # This isn't an error; it is probably a continued rule.
6558 # In fact, this is what we assume.
6559 $prev_state = IN_RULE_DEF;
6560 check_variable_expansions ($_, $where);
6561 $output_trailer .= $comment . $spacing;
6562 my $cond = new Automake::Condition @cond_stack;
6563 $output_trailer .= $cond->subst_string;
6564 $output_trailer .= $_;
6565 $comment = $spacing = '';
6566 error $where, "'#' comment at start of rule is unportable"
6567 if $_ =~ /^\t\s*\#/;
6570 $saw_bk = $new_saw_bk;
6571 $_ = $am_file->getline;
6574 $output_trailer .= $comment;
6576 error ($where, "trailing backslash on last line")
6579 error ($where, (@cond_stack ? "unterminated conditionals: @cond_stack"
6580 : "too many conditionals closed in include file"))
6581 if "@saved_cond_stack" ne "@cond_stack";
6585 # define_standard_variables ()
6586 # ----------------------------
6587 # A helper for read_main_am_file which initializes configure variables
6588 # and variables from header-vars.am.
6589 sub define_standard_variables
6591 my $saved_output_vars = $output_vars;
6592 my ($comments, undef, $rules) =
6593 file_contents_internal (1, "$libdir/am/header-vars.am",
6594 new Automake::Location);
6596 foreach my $var (sort keys %configure_vars)
6598 &define_configure_variable ($var);
6601 $output_vars .= $comments . $rules;
6604 # Read main am file.
6605 sub read_main_am_file ($$)
6607 my ($amfile, $infile) = @_;
6609 # This supports the strange variable tricks we are about to play.
6610 prog_error ("variable defined before read_main_am_file\n" . variables_dump ())
6611 if (scalar (variables) > 0);
6613 # Generate copyright header for generated Makefile.in.
6614 # We do discard the output of predefined variables, handled below.
6615 $output_vars = ("# " . basename ($infile) . " generated by automake "
6616 . $VERSION . " from " . basename ($amfile) . ".\n");
6617 $output_vars .= '# ' . subst ('configure_input') . "\n";
6618 $output_vars .= $gen_copyright;
6620 # We want to predefine as many variables as possible. This lets
6621 # the user set them with '+=' in Makefile.am.
6622 &define_standard_variables;
6624 # Read user file, which might override some of our values.
6625 &read_am_file ($amfile, new Automake::Location);
6630 ################################################################
6633 # &flatten ($STRING)
6634 # ------------------
6635 # Flatten the $STRING and return the result.
6649 # transform_token ($TOKEN, \%PAIRS, $KEY)
6650 # =======================================
6651 # Return the value associated to $KEY in %PAIRS, as used on $TOKEN
6652 # (which should be ?KEY? or any of the special %% requests)..
6653 sub transform_token ($$$)
6655 my ($token, $transform, $key) = @_;
6656 my $res = $transform->{$key};
6657 prog_error "Unknown key '$key' in '$token'" unless defined $res;
6662 # transform ($TOKEN, \%PAIRS)
6663 # ===========================
6664 # If ($TOKEN, $VAL) is in %PAIRS:
6665 # - replaces %KEY% with $VAL,
6666 # - enables/disables ?KEY? and ?!KEY?,
6667 # - replaces %?KEY% with TRUE or FALSE.
6670 my ($token, $transform) = @_;
6673 # Must be before the following pattern to exclude the case
6674 # when there is neither IFTRUE nor IFFALSE.
6675 if ($token =~ /^%([\w\-]+)%$/)
6677 return transform_token ($token, $transform, $1);
6680 elsif ($token =~ /^%\?([\w\-]+)%$/)
6682 return transform_token ($token, $transform, $1) ? 'TRUE' : 'FALSE';
6685 elsif ($token =~ /^ \? (!?) ([\w\-]+) \? $/x)
6687 my $neg = ($1 eq '!') ? 1 : 0;
6688 my $val = transform_token ($token, $transform, $2);
6689 return (!!$val == $neg) ? '##%' : '';
6693 prog_error "Unknown request format: $token";
6698 # preprocess_file ($MAKEFILE, [%TRANSFORM])
6699 # -----------------------------------------
6700 # Load a $MAKEFILE, apply the %TRANSFORM, and return the result.
6701 # No extra parsing or post-processing is done (i.e., recognition of
6702 # rules declaration or of make variables definitions).
6703 sub preprocess_file ($%)
6705 my ($file, %transform) = @_;
6707 # Complete %transform with global options.
6708 # Note that %transform goes last, so it overrides global options.
6709 %transform = ( 'MAINTAINER-MODE'
6710 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
6712 'XZ' => !! option 'dist-xz',
6713 'LZIP' => !! option 'dist-lzip',
6714 'BZIP2' => !! option 'dist-bzip2',
6715 'COMPRESS' => !! option 'dist-tarZ',
6716 'GZIP' => ! option 'no-dist-gzip',
6717 'SHAR' => !! option 'dist-shar',
6718 'ZIP' => !! option 'dist-zip',
6720 'INSTALL-INFO' => ! option 'no-installinfo',
6721 'INSTALL-MAN' => ! option 'no-installman',
6722 'CK-NEWS' => !! option 'check-news',
6724 'SUBDIRS' => !! var ('SUBDIRS'),
6725 'TOPDIR_P' => $relative_dir eq '.',
6727 'BUILD' => ($seen_canonical >= AC_CANONICAL_BUILD),
6728 'HOST' => ($seen_canonical >= AC_CANONICAL_HOST),
6729 'TARGET' => ($seen_canonical >= AC_CANONICAL_TARGET),
6731 'LIBTOOL' => !! var ('LIBTOOL'),
6735 if (! defined ($_ = $am_file_cache{$file}))
6737 verb "reading $file";
6738 # Swallow the whole file.
6739 my $fc_file = new Automake::XFile "< $file";
6740 my $saved_dollar_slash = $/;
6742 $_ = $fc_file->getline;
6743 $/ = $saved_dollar_slash;
6745 # Remove ##-comments.
6746 # Besides we don't need more than two consecutive new-lines.
6747 s/(?:$IGNORE_PATTERN|(?<=\n\n)\n+)//gom;
6748 # Remember the contents of the just-read file.
6749 $am_file_cache{$file} = $_;
6752 # Substitute Automake template tokens.
6753 s/(?: % \?? [\w\-]+ %
6755 )/transform($&, \%transform)/gex;
6756 # transform() may have added some ##%-comments to strip.
6757 # (we use '##%' instead of '##' so we can distinguish ##%##%##% from
6758 # ####### and do not remove the latter.)
6759 s/^[ \t]*(?:##%)+.*\n//gm;
6766 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
6767 # ------------------------------------------
6768 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
6770 sub make_paragraphs ($%)
6772 my ($file, %transform) = @_;
6773 $transform{FIRST} = !$transformed_files{$file};
6774 $transformed_files{$file} = 1;
6776 my @lines = split /(?<!\\)\n/, preprocess_file ($file, %transform);
6779 while (defined ($_ = shift @lines))
6782 # If we are a rule, eat as long as we start with a tab.
6783 if (/$RULE_PATTERN/smo)
6785 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
6787 $paragraph .= "\n$_";
6789 unshift (@lines, $_);
6792 # If we are a comments, eat as much comments as you can.
6793 elsif (/$COMMENT_PATTERN/smo)
6795 while (defined ($_ = shift @lines)
6796 && $_ =~ /$COMMENT_PATTERN/smo)
6798 $paragraph .= "\n$_";
6800 unshift (@lines, $_);
6803 push @res, $paragraph;
6811 # ($COMMENT, $VARIABLES, $RULES)
6812 # &file_contents_internal ($IS_AM, $FILE, $WHERE, [%TRANSFORM])
6813 # -------------------------------------------------------------
6814 # Return contents of a file from $libdir/am, automatically skipping
6815 # macros or rules which are already known. $IS_AM iff the caller is
6816 # reading an Automake file (as opposed to the user's Makefile.am).
6817 sub file_contents_internal ($$$%)
6819 my ($is_am, $file, $where, %transform) = @_;
6821 $where->set ($file);
6823 my $result_vars = '';
6824 my $result_rules = '';
6828 # The following flags are used to track rules spanning across
6829 # multiple paragraphs.
6830 my $is_rule = 0; # 1 if we are processing a rule.
6831 my $discard_rule = 0; # 1 if the current rule should not be output.
6833 # We save the conditional stack on entry, and then check to make
6834 # sure it is the same on exit. This lets us conditionally include
6836 my @saved_cond_stack = @cond_stack;
6837 my $cond = new Automake::Condition (@cond_stack);
6839 foreach (make_paragraphs ($file, %transform))
6841 # FIXME: no line number available.
6842 $where->set ($file);
6845 error $where, "blank line following trailing backslash:\n$_"
6847 error $where, "comment following trailing backslash:\n$_"
6853 # Stick empty line before the incoming macro or rule.
6856 elsif (/$COMMENT_PATTERN/mso)
6859 # Stick comments before the incoming macro or rule.
6863 # Handle inclusion of other files.
6864 elsif (/$INCLUDE_PATTERN/o)
6868 my $file = ($is_am ? "$libdir/am/" : '') . $1;
6869 $where->push_context ("'$file' included from here");
6871 my ($com, $vars, $rules)
6872 = file_contents_internal ($is_am, $file, $where, %transform);
6873 $where->pop_context;
6875 $result_vars .= $vars;
6876 $result_rules .= $rules;
6880 # Handling the conditionals.
6881 elsif (/$IF_PATTERN/o)
6883 $cond = cond_stack_if ($1, $2, $file);
6885 elsif (/$ELSE_PATTERN/o)
6887 $cond = cond_stack_else ($1, $2, $file);
6889 elsif (/$ENDIF_PATTERN/o)
6891 $cond = cond_stack_endif ($1, $2, $file);
6895 elsif (/$RULE_PATTERN/mso)
6899 # Separate relationship from optional actions: the first
6900 # `new-line tab" not preceded by backslash (continuation
6903 /^(.*?)(?:(?<!\\)\n(\t.*))?$/s;
6904 my ($relationship, $actions) = ($1, $2 || '');
6906 # Separate targets from dependencies: the first colon.
6907 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
6908 my ($targets, $dependencies) = ($1, $2);
6909 # Remove the escaped new lines.
6910 # I don't know why, but I have to use a tmp $flat_deps.
6911 my $flat_deps = &flatten ($dependencies);
6912 my @deps = split (' ', $flat_deps);
6914 foreach (split (' ', $targets))
6916 # FIXME: 1. We are not robust to people defining several targets
6917 # at once, only some of them being in %dependencies. The
6918 # actions from the targets in %dependencies are usually generated
6919 # from the content of %actions, but if some targets in $targets
6920 # are not in %dependencies the ELSE branch will output
6921 # a rule for all $targets (i.e. the targets which are both
6922 # in %dependencies and $targets will have two rules).
6924 # FIXME: 2. The logic here is not able to output a
6925 # multi-paragraph rule several time (e.g. for each condition
6926 # it is defined for) because it only knows the first paragraph.
6928 # FIXME: 3. We are not robust to people defining a subset
6929 # of a previously defined "multiple-target" rule. E.g.
6930 # 'foo:' after 'foo bar:'.
6932 # Output only if not in FALSE.
6933 if (defined $dependencies{$_} && $cond != FALSE)
6935 &depend ($_, @deps);
6936 register_action ($_, $actions);
6940 # Free-lance dependency. Output the rule for all the
6941 # targets instead of one by one.
6942 my @undefined_conds =
6943 Automake::Rule::define ($targets, $file,
6944 $is_am ? RULE_AUTOMAKE : RULE_USER,
6946 for my $undefined_cond (@undefined_conds)
6948 my $condparagraph = $paragraph;
6949 $condparagraph =~ s/^/$undefined_cond->subst_string/gme;
6950 $result_rules .= "$spacing$comment$condparagraph\n";
6952 if (scalar @undefined_conds == 0)
6954 # Remember to discard next paragraphs
6955 # if they belong to this rule.
6956 # (but see also FIXME: #2 above.)
6959 $comment = $spacing = '';
6965 elsif (/$ASSIGNMENT_PATTERN/mso)
6967 my ($var, $type, $val) = ($1, $2, $3);
6968 error $where, "variable '$var' with trailing backslash"
6973 Automake::Variable::define ($var,
6974 $is_am ? VAR_AUTOMAKE : VAR_MAKEFILE,
6975 $type, $cond, $val, $comment, $where,
6979 $comment = $spacing = '';
6983 # This isn't an error; it is probably some tokens which
6984 # configure is supposed to replace, such as '@SET-MAKE@',
6985 # or some part of a rule cut by an if/endif.
6986 if (! $cond->false && ! ($is_rule && $discard_rule))
6988 s/^/$cond->subst_string/gme;
6989 $result_rules .= "$spacing$comment$_\n";
6991 $comment = $spacing = '';
6995 error ($where, @cond_stack ?
6996 "unterminated conditionals: @cond_stack" :
6997 "too many conditionals closed in include file")
6998 if "@saved_cond_stack" ne "@cond_stack";
7000 return ($comment, $result_vars, $result_rules);
7005 # &file_contents ($BASENAME, $WHERE, [%TRANSFORM])
7006 # ------------------------------------------------
7007 # Return contents of a file from $libdir/am, automatically skipping
7008 # macros or rules which are already known.
7009 sub file_contents ($$%)
7011 my ($basename, $where, %transform) = @_;
7012 my ($comments, $variables, $rules) =
7013 file_contents_internal (1, "$libdir/am/$basename.am", $where,
7015 return "$comments$variables$rules";
7020 # &am_primary_prefixes ($PRIMARY, $CAN_DIST, @PREFIXES)
7021 # -----------------------------------------------------
7022 # Find all variable prefixes that are used for install directories. A
7023 # prefix 'zar' qualifies iff:
7025 # * 'zardir' is a variable.
7026 # * 'zar_PRIMARY' is a variable.
7028 # As a side effect, it looks for misspellings. It is an error to have
7029 # a variable ending in a "reserved" suffix whose prefix is unknown, e.g.
7030 # "bni_PROGRAMS". However, unusual prefixes are allowed if a variable
7031 # of the same name (with "dir" appended) exists. For instance, if the
7032 # variable "zardir" is defined, then "zar_PROGRAMS" becomes valid.
7033 # This is to provide a little extra flexibility in those cases which
7035 sub am_primary_prefixes ($$@)
7037 my ($primary, $can_dist, @prefixes) = @_;
7040 my %valid = map { $_ => 0 } @prefixes;
7041 $valid{'EXTRA'} = 0;
7042 foreach my $var (variables $primary)
7044 # Automake is allowed to define variables that look like primaries
7045 # but which aren't. E.g. INSTALL_sh_DATA.
7046 # Autoconf can also define variables like INSTALL_DATA, so
7047 # ignore all configure variables (at least those which are not
7048 # redefined in Makefile.am).
7049 # FIXME: We should make sure that these variables are not
7050 # conditionally defined (or else adjust the condition below).
7051 my $def = $var->def (TRUE);
7052 next if $def && $def->owner != VAR_MAKEFILE;
7054 my $varname = $var->name;
7056 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_[[:alnum:]]+$/)
7058 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
7059 if ($dist ne '' && ! $can_dist)
7062 "invalid variable '$varname': 'dist' is forbidden");
7064 # Standard directories must be explicitly allowed.
7065 elsif (! defined $valid{$X} && exists $standard_prefix{$X})
7068 "'${X}dir' is not a legitimate directory " .
7071 # A not explicitly valid directory is allowed if Xdir is defined.
7072 elsif (! defined $valid{$X} &&
7073 $var->requires_variables ("'$varname' is used", "${X}dir"))
7075 # Nothing to do. Any error message has been output
7076 # by $var->requires_variables.
7080 # Ensure all extended prefixes are actually used.
7081 $valid{"$base$dist$X"} = 1;
7086 prog_error "unexpected variable name: $varname";
7090 # Return only those which are actually defined.
7091 return sort grep { var ($_ . '_' . $primary) } keys %valid;
7095 # Handle 'where_HOW' variable magic. Does all lookups, generates
7096 # install code, and possibly generates code to define the primary
7097 # variable. The first argument is the name of the .am file to munge,
7098 # the second argument is the primary variable (e.g. HEADERS), and all
7099 # subsequent arguments are possible installation locations.
7101 # Returns list of [$location, $value] pairs, where
7102 # $value's are the values in all where_HOW variable, and $location
7103 # there associated location (the place here their parent variables were
7106 # FIXME: this should be rewritten to be cleaner. It should be broken
7107 # up into multiple functions.
7109 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7116 my $default_dist = 0;
7119 if ($args[0] eq '-noextra')
7123 elsif ($args[0] eq '-candist')
7127 elsif ($args[0] eq '-defaultdist')
7132 elsif ($args[0] !~ /^-/)
7139 my ($file, $primary, @prefix) = @args;
7141 # Now that configure substitutions are allowed in where_HOW
7142 # variables, it is an error to actually define the primary. We
7143 # allow 'JAVA', as it is customarily used to mean the Java
7144 # interpreter. This is but one of several Java hacks. Similarly,
7145 # 'PYTHON' is customarily used to mean the Python interpreter.
7146 reject_var $primary, "'$primary' is an anachronism"
7147 unless $primary eq 'JAVA' || $primary eq 'PYTHON';
7149 # Get the prefixes which are valid and actually used.
7150 @prefix = am_primary_prefixes ($primary, $can_dist, @prefix);
7152 # If a primary includes a configure substitution, then the EXTRA_
7153 # form is required. Otherwise we can't properly do our job.
7159 foreach my $X (@prefix)
7161 my $nodir_name = $X;
7162 my $one_name = $X . '_' . $primary;
7163 my $one_var = var $one_name;
7165 my $strip_subdir = 1;
7166 # If subdir prefix should be preserved, do so.
7167 if ($nodir_name =~ /^nobase_/)
7170 $nodir_name =~ s/^nobase_//;
7173 # If files should be distributed, do so.
7177 $dist_p = (($default_dist && $nodir_name !~ /^nodist_/)
7178 || (! $default_dist && $nodir_name =~ /^dist_/));
7179 $nodir_name =~ s/^(dist|nodist)_//;
7183 # Use the location of the currently processed variable.
7184 # We are not processing a particular condition, so pick the first
7186 my $tmpcond = $one_var->conditions->one_cond;
7187 my $where = $one_var->rdef ($tmpcond)->location->clone;
7189 # Append actual contents of where_PRIMARY variable to
7190 # @result, skipping @substitutions@.
7191 foreach my $locvals ($one_var->value_as_list_recursive (location => 1))
7193 my ($loc, $value) = @$locvals;
7194 # Skip configure substitutions.
7195 if ($value =~ /^\@.*\@$/)
7197 if ($nodir_name eq 'EXTRA')
7200 "'$one_name' contains configure substitution, "
7203 # Check here to make sure variables defined in
7204 # configure.ac do not imply that EXTRA_PRIMARY
7206 elsif (! defined $configure_vars{$one_name})
7208 $require_extra = $one_name
7214 # Strip any $(EXEEXT) suffix the user might have added, or this
7215 # will confuse &handle_source_transform and &check_canonical_spelling.
7216 # We'll add $(EXEEXT) back later anyway.
7217 # Do it here rather than in handle_programs so the uniquifying at the
7218 # end of this function works.
7219 ${$locvals}[1] =~ s/\$\(EXEEXT\)$//
7220 if $primary eq 'PROGRAMS';
7222 push (@result, $locvals);
7225 # A blatant hack: we rewrite each _PROGRAMS primary to include
7227 append_exeext { 1 } $one_name
7228 if $primary eq 'PROGRAMS';
7229 # "EXTRA" shouldn't be used when generating clean targets,
7230 # all, or install targets. We used to warn if EXTRA_FOO was
7231 # defined uselessly, but this was annoying.
7233 if $nodir_name eq 'EXTRA';
7235 if ($nodir_name eq 'check')
7237 push (@check, '$(' . $one_name . ')');
7241 push (@used, '$(' . $one_name . ')');
7244 # Is this to be installed?
7245 my $install_p = $nodir_name ne 'noinst' && $nodir_name ne 'check';
7247 # If so, with install-exec? (or install-data?).
7248 my $exec_p = ($nodir_name =~ /$EXEC_DIR_PATTERN/o);
7250 my $check_options_p = $install_p && !! option 'std-options';
7252 # Use the location of the currently processed variable as context.
7253 $where->push_context ("while processing '$one_name'");
7255 # The variable containing all files to distribute.
7256 my $distvar = "\$($one_name)";
7257 $distvar = shadow_unconditionally ($one_name, $where)
7258 if ($dist_p && $one_var->has_conditional_contents);
7260 # Singular form of $PRIMARY.
7261 (my $one_primary = $primary) =~ s/S$//;
7262 $output_rules .= &file_contents ($file, $where,
7263 PRIMARY => $primary,
7264 ONE_PRIMARY => $one_primary,
7266 NDIR => $nodir_name,
7267 BASE => $strip_subdir,
7270 INSTALL => $install_p,
7272 DISTVAR => $distvar,
7273 'CK-OPTS' => $check_options_p);
7276 # The JAVA variable is used as the name of the Java interpreter.
7277 # The PYTHON variable is used as the name of the Python interpreter.
7278 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7281 define_pretty_variable ($primary, TRUE, INTERNAL, @used);
7282 $output_vars .= "\n";
7285 err_var ($require_extra,
7286 "'$require_extra' contains configure substitution,\n"
7287 . "but 'EXTRA_$primary' not defined")
7288 if ($require_extra && ! var ('EXTRA_' . $primary));
7290 # Push here because PRIMARY might be configure time determined.
7291 push (@all, '$(' . $primary . ')')
7292 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7294 # Make the result unique. This lets the user use conditionals in
7295 # a natural way, but still lets us program lazily -- we don't have
7296 # to worry about handling a particular object more than once.
7297 # We will keep only one location per object.
7299 for my $pair (@result)
7301 my ($loc, $val) = @$pair;
7302 $result{$val} = $loc;
7304 my @l = sort keys %result;
7305 return map { [$result{$_}->clone, $_] } @l;
7309 ################################################################
7311 # Each key in this hash is the name of a directory holding a
7312 # Makefile.in. These variables are local to 'is_make_dir'.
7314 my $make_dirs_set = 0;
7319 if (! $make_dirs_set)
7321 foreach my $iter (@configure_input_files)
7323 $make_dirs{dirname ($iter)} = 1;
7325 # We also want to notice Makefile.in's.
7326 foreach my $iter (@other_input_files)
7328 if ($iter =~ /Makefile\.in$/)
7330 $make_dirs{dirname ($iter)} = 1;
7335 return defined $make_dirs{$dir};
7338 ################################################################
7340 # Find the aux dir. This should match the algorithm used by
7341 # ./configure. (See the Autoconf documentation for for
7342 # AC_CONFIG_AUX_DIR.)
7343 sub locate_aux_dir ()
7345 if (! $config_aux_dir_set_in_configure_ac)
7347 # The default auxiliary directory is the first
7348 # of ., .., or ../.. that contains install-sh.
7349 # Assume . if install-sh doesn't exist yet.
7350 for my $dir (qw (. .. ../..))
7352 if (-f "$dir/install-sh")
7354 $config_aux_dir = $dir;
7358 $config_aux_dir = '.' unless $config_aux_dir;
7360 # Avoid unsightly '/.'s.
7361 $am_config_aux_dir =
7362 '$(top_srcdir)' . ($config_aux_dir eq '.' ? "" : "/$config_aux_dir");
7363 $am_config_aux_dir =~ s,/*$,,;
7367 # &push_required_file ($DIR, $FILE, $FULLFILE)
7368 # --------------------------------------------------
7369 # Push the given file onto DIST_COMMON.
7370 sub push_required_file
7372 my ($dir, $file, $fullfile) = @_;
7374 # If the file to be distributed is in the same directory of the
7375 # currently processed Makefile.am, then we want to distribute it
7376 # from this same Makefile.am.
7377 if ($dir eq $relative_dir)
7379 push_dist_common ($file);
7381 # This is needed to allow a construct in a non-top-level Makefile.am
7382 # to require a file in the build-aux directory (see at least the test
7383 # script 'test-driver-is-distributed.test'). This is related to the
7384 # automake bug#9546. Note that the use of $config_aux_dir instead
7385 # of $am_config_aux_dir here is deliberate and necessary.
7386 elsif ($dir eq $config_aux_dir)
7388 push_dist_common ("$am_config_aux_dir/$file");
7390 # FIXME: another spacial case, for AC_LIBOBJ/AC_LIBSOURCE support.
7391 # We probably need some refactoring of this function and its callers,
7392 # to have a more explicit and systematic handling of all the special
7393 # cases; but, since there are only two of them, this is low-priority
7395 elsif ($config_libobj_dir && $dir eq $config_libobj_dir)
7397 # Avoid unsightly '/.'s.
7398 my $am_config_libobj_dir =
7400 ($config_libobj_dir eq '.' ? "" : "/$config_libobj_dir");
7401 $am_config_libobj_dir =~ s|/*$||;
7402 push_dist_common ("$am_config_libobj_dir/$file");
7404 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7406 # If we are doing the topmost directory, and the file is in a
7407 # subdir which does not have a Makefile, then we distribute it
7410 # If a required file is above the source tree, it is important
7411 # to prefix it with '$(srcdir)' so that no VPATH search is
7412 # performed. Otherwise problems occur with Make implementations
7413 # that rewrite and simplify rules whose dependencies are found in a
7414 # VPATH location. Here is an example with OSF1/Tru64 Make.
7426 # Dependency '../a' was found in 'sub/../a', but this make
7427 # implementation simplified it as 'a'. (Note that the sub/
7428 # directory does not even exist.)
7430 # This kind of VPATH rewriting seems hard to cancel. The
7431 # distdir.am hack against VPATH rewriting works only when no
7432 # simplification is done, i.e., for dependencies which are in
7433 # subdirectories, not in enclosing directories. Hence, in
7434 # the latter case we use a full path to make sure no VPATH
7436 $fullfile = '$(srcdir)/' . $fullfile
7437 if $dir =~ m,^\.\.(?:$|/),;
7439 push_dist_common ($fullfile);
7443 prog_error "a Makefile in relative directory $relative_dir " .
7444 "can't add files in directory $dir to DIST_COMMON";
7449 # If a file name appears as a key in this hash, then it has already
7450 # been checked for. This allows us not to report the same error more
7452 my %required_file_not_found = ();
7454 # &required_file_check_or_copy ($WHERE, $DIRECTORY, $FILE)
7455 # --------------------------------------------------------
7456 # Verify that the file must exist in $DIRECTORY, or install it.
7457 sub required_file_check_or_copy ($$$)
7459 my ($where, $dir, $file) = @_;
7461 my $fullfile = "$dir/$file";
7463 my $dangling_sym = 0;
7465 if (-l $fullfile && ! -f $fullfile)
7469 elsif (dir_has_case_matching_file ($dir, $file))
7474 # '--force-missing' only has an effect if '--add-missing' is
7477 if $found_it && (! $add_missing || ! $force_missing);
7479 # If we've already looked for it, we're done. You might
7480 # wonder why we don't do this before searching for the
7481 # file. If we do that, then something like
7482 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
7486 return if defined $required_file_not_found{$fullfile};
7487 $required_file_not_found{$fullfile} = 1;
7489 if ($dangling_sym && $add_missing)
7498 # Only install missing files according to our desired
7500 my $message = "required file '$fullfile' not found";
7503 if (-f "$libdir/$file")
7507 # Install the missing file. Symlink if we
7508 # can, copy if we must. Note: delete the file
7509 # first, in case it is a dangling symlink.
7510 $message = "installing '$fullfile'";
7512 # The license file should not be volatile.
7513 if ($file eq "COPYING")
7515 $message .= " using GNU General Public License v3 file";
7516 $trailer2 = "\n Consider adding the COPYING file"
7517 . " to the version control system"
7518 . "\n for your code, to avoid questions"
7519 . " about which license your project uses";
7522 # Windows Perl will hang if we try to delete a
7523 # file that doesn't exist.
7524 unlink ($fullfile) if -f $fullfile;
7525 if ($symlink_exists && ! $copy_missing)
7527 if (! symlink ("$libdir/$file", $fullfile)
7531 $trailer = "; error while making link: $!";
7534 elsif (system ('cp', "$libdir/$file", $fullfile))
7537 $trailer = "\n error while copying";
7539 set_dir_cache_file ($dir, $file);
7544 $trailer = "\n 'automake --add-missing' can install '$file'"
7545 if -f "$libdir/$file";
7548 # If --force-missing was specified, and we have
7549 # actually found the file, then do nothing.
7551 if $found_it && $force_missing;
7553 # If we couldn't install the file, but it is a target in
7554 # the Makefile, don't print anything. This allows files
7555 # like README, AUTHORS, or THANKS to be generated.
7557 if !$suppress && rule $file;
7559 msg ($suppress ? 'note' : 'error', $where, "$message$trailer$trailer2");
7563 # &require_file_internal ($WHERE, $MYSTRICT, $DIRECTORY, $QUEUE, @FILES)
7564 # ----------------------------------------------------------------------
7565 # Verify that the file must exist in $DIRECTORY, or install it.
7566 # $MYSTRICT is the strictness level at which this file becomes required.
7567 # Worker threads may queue up the action to be serialized by the master,
7569 sub require_file_internal ($$$@)
7571 my ($where, $mystrict, $dir, $queue, @files) = @_;
7574 unless $strictness >= $mystrict;
7576 foreach my $file (@files)
7578 push_required_file ($dir, $file, "$dir/$file");
7581 queue_required_file_check_or_copy ($required_conf_file_queue,
7582 QUEUE_CONF_FILE, $relative_dir,
7583 $where, $mystrict, @files);
7587 required_file_check_or_copy ($where, $dir, $file);
7592 # &require_file ($WHERE, $MYSTRICT, @FILES)
7593 # -----------------------------------------
7594 sub require_file ($$@)
7596 my ($where, $mystrict, @files) = @_;
7597 require_file_internal ($where, $mystrict, $relative_dir, 0, @files);
7600 # &require_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7601 # -----------------------------------------------------------
7602 sub require_file_with_macro ($$$@)
7604 my ($cond, $macro, $mystrict, @files) = @_;
7605 $macro = rvar ($macro) unless ref $macro;
7606 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7609 # &require_libsource_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7610 # ----------------------------------------------------------------
7611 # Require an AC_LIBSOURCEd file. If AC_CONFIG_LIBOBJ_DIR was called, it
7612 # must be in that directory. Otherwise expect it in the current directory.
7613 sub require_libsource_with_macro ($$$@)
7615 my ($cond, $macro, $mystrict, @files) = @_;
7616 $macro = rvar ($macro) unless ref $macro;
7617 if ($config_libobj_dir)
7619 require_file_internal ($macro->rdef ($cond)->location, $mystrict,
7620 $config_libobj_dir, 0, @files);
7624 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
7628 # &queue_required_file_check_or_copy ($QUEUE, $KEY, $DIR, $WHERE,
7629 # $MYSTRICT, @FILES)
7630 # ---------------------------------------------------------------
7631 sub queue_required_file_check_or_copy ($$$$@)
7633 my ($queue, $key, $dir, $where, $mystrict, @files) = @_;
7637 @serial_loc = (QUEUE_LOCATION, $where->serialize ());
7641 @serial_loc = (QUEUE_STRING, $where);
7643 $queue->enqueue ($key, $dir, @serial_loc, $mystrict, 0 + @files, @files);
7646 # &require_queued_file_check_or_copy ($QUEUE)
7647 # -------------------------------------------
7648 sub require_queued_file_check_or_copy ($)
7652 my $dir = $queue->dequeue ();
7653 my $loc_key = $queue->dequeue ();
7654 if ($loc_key eq QUEUE_LOCATION)
7656 $where = Automake::Location::deserialize ($queue);
7658 elsif ($loc_key eq QUEUE_STRING)
7660 $where = $queue->dequeue ();
7664 prog_error "unexpected key $loc_key";
7666 my $mystrict = $queue->dequeue ();
7667 my $nfiles = $queue->dequeue ();
7669 push @files, $queue->dequeue ()
7670 foreach (1 .. $nfiles);
7672 unless $strictness >= $mystrict;
7673 foreach my $file (@files)
7675 required_file_check_or_copy ($where, $config_aux_dir, $file);
7679 # &require_conf_file ($WHERE, $MYSTRICT, @FILES)
7680 # ----------------------------------------------
7681 # Looks in configuration path, as specified by AC_CONFIG_AUX_DIR.
7682 sub require_conf_file ($$@)
7684 my ($where, $mystrict, @files) = @_;
7685 my $queue = defined $required_conf_file_queue ? 1 : 0;
7686 require_file_internal ($where, $mystrict, $config_aux_dir,
7691 # &require_conf_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
7692 # ----------------------------------------------------------------
7693 sub require_conf_file_with_macro ($$$@)
7695 my ($cond, $macro, $mystrict, @files) = @_;
7696 require_conf_file (rvar ($macro)->rdef ($cond)->location,
7700 ################################################################
7702 # &require_build_directory ($DIRECTORY)
7703 # -------------------------------------
7704 # Emit rules to create $DIRECTORY if needed, and return
7705 # the file that any target requiring this directory should be made
7707 # We don't want to emit the rule twice, and want to reuse it
7708 # for directories with equivalent names (e.g., 'foo/bar' and './foo//bar').
7709 sub require_build_directory ($)
7711 my $directory = shift;
7713 return $directory_map{$directory} if exists $directory_map{$directory};
7715 my $cdir = File::Spec->canonpath ($directory);
7717 if (exists $directory_map{$cdir})
7719 my $stamp = $directory_map{$cdir};
7720 $directory_map{$directory} = $stamp;
7724 my $dirstamp = "$cdir/\$(am__dirstamp)";
7726 $directory_map{$directory} = $dirstamp;
7727 $directory_map{$cdir} = $dirstamp;
7729 # Set a variable for the dirstamp basename.
7730 define_pretty_variable ('am__dirstamp', TRUE, INTERNAL,
7731 '$(am__leading_dot)dirstamp');
7733 # Directory must be removed by 'make distclean'.
7734 $clean_files{$dirstamp} = DIST_CLEAN;
7736 $output_rules .= ("$dirstamp:\n"
7737 . "\t\@\$(MKDIR_P) $directory\n"
7738 . "\t\@: > $dirstamp\n");
7743 # &require_build_directory_maybe ($FILE)
7744 # --------------------------------------
7745 # If $FILE lies in a subdirectory, emit a rule to create this
7746 # directory and return the file that $FILE should be made
7747 # dependent upon. Otherwise, just return the empty string.
7748 sub require_build_directory_maybe ($)
7751 my $directory = dirname ($file);
7753 if ($directory ne '.')
7755 return require_build_directory ($directory);
7763 ################################################################
7765 # Push a list of files onto dist_common.
7766 sub push_dist_common
7768 prog_error "push_dist_common run after handle_dist"
7769 if $handle_dist_run;
7770 Automake::Variable::define ('DIST_COMMON', VAR_AUTOMAKE, '+', TRUE, "@_",
7771 '', INTERNAL, VAR_PRETTY);
7775 ################################################################
7777 # generate_makefile ($MAKEFILE_AM, $MAKEFILE_IN)
7778 # ----------------------------------------------
7779 # Generate a Makefile.in given the name of the corresponding Makefile and
7780 # the name of the file output by config.status.
7781 sub generate_makefile ($$)
7783 my ($makefile_am, $makefile_in) = @_;
7785 # Reset all the Makefile.am related variables.
7786 initialize_per_input;
7788 # AUTOMAKE_OPTIONS can contains -W flags to disable or enable
7789 # warnings for this file. So hold any warning issued before
7790 # we have processed AUTOMAKE_OPTIONS.
7791 buffer_messages ('warning');
7793 # $OUTPUT is encoded. If it contains a ":" then the first element
7794 # is the real output file, and all remaining elements are input
7795 # files. We don't scan or otherwise deal with these input files,
7796 # other than to mark them as dependencies. See
7797 # &scan_autoconf_files for details.
7798 my ($makefile, @inputs) = split (/:/, $output_files{$makefile_in});
7800 $relative_dir = dirname ($makefile);
7802 read_main_am_file ($makefile_am, $makefile_in);
7805 # Process buffered warnings.
7807 # Fatal error. Just return, so we can continue with next file.
7810 # Process buffered warnings.
7813 # There are a few install-related variables that you should not define.
7814 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
7819 my $def = $v->def (TRUE);
7820 prog_error "$var not defined in condition TRUE"
7822 reject_var $var, "'$var' should not be defined"
7823 if $def->owner != VAR_AUTOMAKE;
7827 # Catch some obsolete variables.
7828 msg_var ('obsolete', 'INCLUDES',
7829 "'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')")
7830 if var ('INCLUDES');
7832 # Must do this after reading .am file.
7833 define_variable ('subdir', $relative_dir, INTERNAL);
7835 # If DIST_SUBDIRS is defined, make sure SUBDIRS is, so that
7836 # recursive rules are enabled.
7837 define_pretty_variable ('SUBDIRS', TRUE, INTERNAL, '')
7838 if var 'DIST_SUBDIRS' && ! var 'SUBDIRS';
7840 # Check first, because we might modify some state.
7841 check_gnu_standards;
7842 check_gnits_standards;
7844 handle_configure ($makefile_am, $makefile_in, $makefile, @inputs);
7853 # These must be run after all the sources are scanned. They
7854 # use variables defined by &handle_libraries, &handle_ltlibraries,
7855 # or &handle_programs.
7860 # Variables used by distdir.am and tags.am.
7861 define_pretty_variable ('SOURCES', TRUE, INTERNAL, @sources);
7862 if (! option 'no-dist')
7864 define_pretty_variable ('DIST_SOURCES', TRUE, INTERNAL, @dist_sources);
7875 handle_user_recursion;
7877 handle_minor_options;
7878 # Must come after handle_programs so that %known_programs is up-to-date.
7881 # This must come after most other rules.
7885 do_check_merge_target;
7886 handle_all ($makefile);
7889 if (var ('lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
7891 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
7893 if (var ('nobase_lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
7895 $output_rules .= "install-binPROGRAMS: install-nobase_libLTLIBRARIES\n\n";
7899 handle_clean ($makefile);
7900 handle_factored_dependencies;
7902 # Comes last, because all the above procedures may have
7903 # defined or overridden variables.
7904 $output_vars .= output_variables;
7908 if ($exit_code != 0)
7910 verb "not writing $makefile_in because of earlier errors";
7914 my $am_relative_dir = dirname ($makefile_am);
7915 mkdir ($am_relative_dir, 0755) if ! -d $am_relative_dir;
7917 # We make sure that 'all:' is the first target.
7919 "$output_vars$output_all$output_header$output_rules$output_trailer";
7921 # Decide whether we must update the output file or not.
7922 # We have to update in the following situations.
7923 # * $force_generation is set.
7924 # * any of the output dependencies is younger than the output
7925 # * the contents of the output is different (this can happen
7926 # if the project has been populated with a file listed in
7927 # @common_files since the last run).
7928 # Output's dependencies are split in two sets:
7929 # * dependencies which are also configure dependencies
7930 # These do not change between each Makefile.am
7931 # * other dependencies, specific to the Makefile.am being processed
7932 # (such as the Makefile.am itself, or any Makefile fragment
7934 my $timestamp = mtime $makefile_in;
7935 if (! $force_generation
7936 && $configure_deps_greatest_timestamp < $timestamp
7937 && $output_deps_greatest_timestamp < $timestamp
7938 && $output eq contents ($makefile_in))
7940 verb "$makefile_in unchanged";
7941 # No need to update.
7945 if (-e $makefile_in)
7947 unlink ($makefile_in)
7948 or fatal "cannot remove $makefile_in: $!";
7951 my $gm_file = new Automake::XFile "> $makefile_in";
7952 verb "creating $makefile_in";
7953 print $gm_file $output;
7956 ################################################################
7961 ################################################################
7963 # Helper function for usage().
7964 sub print_autodist_files (@)
7966 my @lcomm = sort (&uniq (@_));
7969 format USAGE_FORMAT =
7970 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
7971 $four[0], $four[1], $four[2], $four[3]
7973 local $~ = "USAGE_FORMAT";
7976 my $rows = int(@lcomm / $cols);
7977 my $rest = @lcomm % $cols;
7988 for (my $y = 0; $y < $rows; $y++)
7990 @four = ("", "", "", "");
7991 for (my $x = 0; $x < $cols; $x++)
7993 last if $y + 1 == $rows && $x == $rest;
7995 my $idx = (($x > $rest)
7996 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
8000 $four[$x] = $lcomm[$idx];
8007 # Print usage information.
8010 print "Usage: $0 [OPTION]... [Makefile]...
8012 Generate Makefile.in for configure from Makefile.am.
8015 --help print this help, then exit
8016 --version print version number, then exit
8017 -v, --verbose verbosely list files processed
8018 --no-force only update Makefile.in's that are out of date
8019 -W, --warnings=CATEGORY report the warnings falling in CATEGORY
8021 Dependency tracking:
8022 -i, --ignore-deps disable dependency tracking code
8023 --include-deps enable dependency tracking code
8026 --foreign set strictness to foreign
8027 --gnits set strictness to gnits
8028 --gnu set strictness to gnu
8031 -a, --add-missing add missing standard files to package
8032 --libdir=DIR set directory storing library files
8033 --print-libdir print directory storing library files
8034 -c, --copy with -a, copy missing files (default is symlink)
8035 -f, --force-missing force update of standard files
8038 Automake::ChannelDefs::usage;
8040 print "\nFiles automatically distributed if found " .
8042 print_autodist_files @common_files;
8043 print "\nFiles automatically distributed if found " .
8044 "(under certain conditions):\n";
8045 print_autodist_files @common_sometimes;
8048 Report bugs to <@PACKAGE_BUGREPORT@>.
8049 GNU Automake home page: <@PACKAGE_URL@>.
8050 General help using GNU software: <http://www.gnu.org/gethelp/>.
8053 # --help always returns 0 per GNU standards.
8060 # Print version information
8064 automake (GNU $PACKAGE) $VERSION
8065 Copyright (C) $RELEASE_YEAR Free Software Foundation, Inc.
8066 License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl-2.0.html>
8067 This is free software: you are free to change and redistribute it.
8068 There is NO WARRANTY, to the extent permitted by law.
8070 Written by Tom Tromey <tromey\@redhat.com>
8071 and Alexandre Duret-Lutz <adl\@gnu.org>.
8073 # --version always returns 0 per GNU standards.
8077 ################################################################
8079 # Parse command line.
8080 sub parse_arguments ()
8083 my $ignore_deps = 0;
8088 'version' => \&version,
8090 'libdir=s' => \$libdir,
8091 'print-libdir' => sub { print "$libdir\n"; exit 0; },
8092 'gnu' => sub { $strict = 'gnu'; },
8093 'gnits' => sub { $strict = 'gnits'; },
8094 'foreign' => sub { $strict = 'foreign'; },
8095 'include-deps' => sub { $ignore_deps = 0; },
8096 'i|ignore-deps' => sub { $ignore_deps = 1; },
8097 'no-force' => sub { $force_generation = 0; },
8098 'f|force-missing' => \$force_missing,
8099 'a|add-missing' => \$add_missing,
8100 'c|copy' => \$copy_missing,
8101 'v|verbose' => sub { setup_channel 'verb', silent => 0; },
8102 'W|warnings=s' => \@warnings,
8105 use Automake::Getopt ();
8106 Automake::Getopt::parse_options %cli_options;
8108 set_strictness ($strict);
8109 my $cli_where = new Automake::Location;
8110 set_global_option ('no-dependencies', $cli_where) if $ignore_deps;
8111 for my $warning (@warnings)
8113 &parse_warnings ('-W', $warning);
8116 return unless @ARGV;
8119 foreach my $arg (@ARGV)
8121 fatal ("empty argument\nTry '$0 --help' for more information")
8124 # Handle $local:$input syntax.
8125 my ($local, @rest) = split (/:/, $arg);
8126 @rest = ("$local.in",) unless @rest;
8127 my $input = locate_am @rest;
8130 push @input_files, $input;
8131 $output_files{$input} = join (':', ($local, @rest));
8135 error "no Automake input file found for '$arg'";
8139 fatal "no input file found among supplied arguments"
8140 if $errspec && ! @input_files;
8144 # handle_makefile ($MAKEFILE_IN)
8145 # ------------------------------
8146 # Deal with $MAKEFILE_IN.
8147 sub handle_makefile ($)
8150 ($am_file = $file) =~ s/\.in$//;
8151 if (! -f ($am_file . '.am'))
8153 error "'$am_file.am' does not exist";
8157 # Any warning setting now local to this Makefile.am.
8160 generate_makefile ($am_file . '.am', $file);
8162 # Back out any warning setting.
8167 # handle_makefiles_serial ()
8168 # --------------------------
8169 # Deal with all makefiles, without threads.
8170 sub handle_makefiles_serial ()
8172 foreach my $file (@input_files)
8174 handle_makefile ($file);
8178 # get_number_of_threads ()
8179 # ------------------------
8180 # Logic for deciding how many worker threads to use.
8181 sub get_number_of_threads
8183 my $nthreads = $ENV{'AUTOMAKE_JOBS'} || 0;
8186 unless $nthreads =~ /^[0-9]+$/;
8188 # It doesn't make sense to use more threads than makefiles,
8189 my $max_threads = @input_files;
8191 if ($nthreads > $max_threads)
8193 $nthreads = $max_threads;
8198 # handle_makefiles_threaded ($NTHREADS)
8199 # -------------------------------------
8200 # Deal with all makefiles, using threads. The general strategy is to
8201 # spawn NTHREADS worker threads, dispatch makefiles to them, and let the
8202 # worker threads push back everything that needs serialization:
8203 # * warning and (normal) error messages, for stable stderr output
8204 # order and content (avoiding duplicates, for example),
8205 # * races when installing aux files (and respective messages),
8206 # * races when collecting aux files for distribution.
8208 # The latter requires that the makefile that deals with the aux dir
8209 # files be handled last, done by the master thread.
8210 sub handle_makefiles_threaded ($)
8212 my ($nthreads) = @_;
8214 # The file queue distributes all makefiles, the message queues
8215 # collect all serializations needed for respective files.
8216 my $file_queue = Thread::Queue->new;
8218 foreach my $file (@input_files)
8220 $msg_queues{$file} = Thread::Queue->new;
8223 verb "spawning $nthreads worker threads";
8224 my @threads = (1 .. $nthreads);
8225 foreach my $t (@threads)
8227 $t = threads->new (sub
8229 while (my $file = $file_queue->dequeue)
8231 verb "handling $file";
8232 my $queue = $msg_queues{$file};
8233 setup_channel_queue ($queue, QUEUE_MESSAGE);
8234 $required_conf_file_queue = $queue;
8235 handle_makefile ($file);
8236 $queue->enqueue (undef);
8237 setup_channel_queue (undef, undef);
8238 $required_conf_file_queue = undef;
8244 # Queue all makefiles.
8245 verb "queuing " . @input_files . " input files";
8246 $file_queue->enqueue (@input_files, (undef) x @threads);
8248 # Collect and process serializations.
8249 foreach my $file (@input_files)
8251 verb "dequeuing messages for " . $file;
8252 reset_local_duplicates ();
8253 my $queue = $msg_queues{$file};
8254 while (my $key = $queue->dequeue)
8256 if ($key eq QUEUE_MESSAGE)
8258 pop_channel_queue ($queue);
8260 elsif ($key eq QUEUE_CONF_FILE)
8262 require_queued_file_check_or_copy ($queue);
8266 prog_error "unexpected key $key";
8271 foreach my $t (@threads)
8273 my @exit_thread = $t->join;
8274 $exit_code = $exit_thread[0]
8275 if ($exit_thread[0] > $exit_code);
8279 ################################################################
8281 # Parse the WARNINGS environment variable.
8284 # Parse command line.
8287 $configure_ac = require_configure_ac;
8289 # Do configure.ac scan only once.
8290 scan_autoconf_files;
8295 $msg = "\nDid you forget AC_CONFIG_FILES([Makefile]) in $configure_ac?"
8296 if -f 'Makefile.am';
8297 fatal ("no 'Makefile.am' found for any configure output$msg");
8300 my $nthreads = get_number_of_threads ();
8302 if ($perl_threads && $nthreads >= 1)
8304 handle_makefiles_threaded ($nthreads);
8308 handle_makefiles_serial ();
8314 ### Setup "GNU" style for perl-mode and cperl-mode.
8316 ## perl-indent-level: 2
8317 ## perl-continued-statement-offset: 2
8318 ## perl-continued-brace-offset: 0
8319 ## perl-brace-offset: 0
8320 ## perl-brace-imaginary-offset: 0
8321 ## perl-label-offset: -2
8322 ## cperl-indent-level: 2
8323 ## cperl-brace-offset: 0
8324 ## cperl-continued-brace-offset: 0
8325 ## cperl-label-offset: -2
8326 ## cperl-extra-newline-before-brace: t
8327 ## cperl-merge-trailing-else: nil
8328 ## cperl-continued-statement-offset: 2