5 eval 'case $# in 0) exec @PERL@ -S "$0";; *) exec @PERL@ -S "$0" "$@";; esac'
8 # automake - create Makefile.in from Makefile.am
9 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
10 # Free Software Foundation, Inc.
12 # This program is free software; you can redistribute it and/or modify
13 # it under the terms of the GNU General Public License as published by
14 # the Free Software Foundation; either version 2, or (at your option)
17 # This program is distributed in the hope that it will be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 # GNU General Public License for more details.
22 # You should have received a copy of the GNU General Public License
23 # along with this program; if not, write to the Free Software
24 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27 # Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
28 # Perl reimplementation by Tom Tromey <tromey@redhat.com>.
34 my $perllibdir = $ENV{'perllibdir'} || '@datadir@/@PACKAGE@-@APIVERSION@';
35 unshift @INC, (split ':', $perllibdir);
37 # Override SHELL. This is required on DJGPP so that system() uses
38 # bash, not COMMAND.COM which doesn't quote arguments properly.
39 # Other systems aren't expected to use $SHELL when Automake
40 # runs, but it should be safe to drop the `if DJGPP' guard if
41 # it turns up other systems need the same thing. After all,
42 # if SHELL is used, ./configure's SHELL is always better than
43 # the user's SHELL (which may be something like tcsh).
44 $ENV{'SHELL'} = '@SHELL@' if exists $ENV{'DJGPP'};
48 struct (# Short name of the language (c, f77...).
50 # Nice name of the language (C, Fortran 77...).
53 # List of configure variables which must be defined.
57 # `pure' is `1' or `'. A `pure' language is one where, if
58 # all the files in a directory are of that language, then we
59 # do not require the C compiler or any code to call it.
64 # Name of the compiling variable (COMPILE).
66 # Content of the compiling variable.
68 # Flag to require compilation without linking (-c).
69 'compile_flag' => "\$",
71 # A subroutine to compute a list of possible extensions of
72 # the product given the input extensions.
73 # (defaults to a subroutine which returns ('.$(OBJEXT)', '.lo'))
74 'output_extensions' => "\$",
75 # A list of flag variables used in 'compile'.
79 # The file to use when generating rules for this language.
80 # The default is 'depend2'.
83 # Name of the linking variable (LINK).
85 # Content of the linking variable.
88 # Name of the linker variable (LD).
90 # Content of the linker variable ($(CC)).
93 # Flag to specify the output file (-o).
94 'output_flag' => "\$",
97 # This is a subroutine which is called whenever we finally
98 # determine the context in which a source file will be
100 '_target_hook' => "\$");
106 if (defined $self->_finish)
108 &{$self->_finish} ();
112 sub target_hook ($$$$)
115 if (defined $self->_target_hook)
117 &{$self->_target_hook} (@_);
124 use Automake::Config;
125 use Automake::General;
127 use Automake::Channels;
128 use Automake::ChannelDefs;
129 use Automake::Configure_ac;
130 use Automake::FileUtils;
131 use Automake::Location;
132 use Automake::Condition qw/TRUE FALSE/;
133 use Automake::DisjConditions;
134 use Automake::Options;
135 use Automake::Version;
136 use Automake::Variable;
137 use Automake::VarDef;
139 use Automake::RuleDef;
140 use Automake::Wrap 'makefile_wrap';
148 # Some regular expressions. One reason to put them here is that it
149 # makes indentation work better in Emacs.
151 # Writing singled-quoted-$-terminated regexes is a pain because
152 # perl-mode thinks of $' as the ${'} variable (instead of a $ followed
153 # by a closing quote. Letting perl-mode think the quote is not closed
154 # leads to all sort of misindentations. On the other hand, defining
155 # regexes as double-quoted strings is far less readable. So usually
158 # $REGEX = '^regex_value' . "\$";
160 my $IGNORE_PATTERN = '^\s*##([^#\n].*)?\n';
161 my $WHITE_PATTERN = '^\s*' . "\$";
162 my $COMMENT_PATTERN = '^#';
163 my $TARGET_PATTERN='[$a-zA-Z_.@%][-.a-zA-Z0-9_(){}/$+@%]*';
164 # A rule has three parts: a list of targets, a list of dependencies,
165 # and optionally actions.
167 "^($TARGET_PATTERN(?:(?:\\\\\n|\\s)+$TARGET_PATTERN)*) *:([^=].*|)\$";
169 # Only recognize leading spaces, not leading tabs. If we recognize
170 # leading tabs here then we need to make the reader smarter, because
171 # otherwise it will think rules like `foo=bar; \' are errors.
172 my $ASSIGNMENT_PATTERN = '^ *([^ \t=:+]*)\s*([:+]?)=\s*(.*)' . "\$";
173 # This pattern recognizes a Gnits version id and sets $1 if the
174 # release is an alpha release. We also allow a suffix which can be
175 # used to extend the version number with a "fork" identifier.
176 my $GNITS_VERSION_PATTERN = '\d+\.\d+([a-z]|\.\d+)?(-[A-Za-z0-9]+)?';
178 my $IF_PATTERN = '^if\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*)\s*(?:#.*)?' . "\$";
180 '^else(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
182 '^endif(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?' . "\$";
183 my $PATH_PATTERN = '(\w|[/.-])+';
184 # This will pass through anything not of the prescribed form.
185 my $INCLUDE_PATTERN = ('^include\s+'
186 . '((\$\(top_srcdir\)/' . $PATH_PATTERN . ')'
187 . '|(\$\(srcdir\)/' . $PATH_PATTERN . ')'
188 . '|([^/\$]' . $PATH_PATTERN . '))\s*(#.*)?' . "\$");
190 # Match `-d' as a command-line argument in a string.
191 my $DASH_D_PATTERN = "(^|\\s)-d(\\s|\$)";
192 # Directories installed during 'install-exec' phase.
193 my $EXEC_DIR_PATTERN =
194 '^(?:bin|sbin|libexec|sysconf|localstate|lib|pkglib|.*exec.*)' . "\$";
196 # Values for AC_CANONICAL_*
197 use constant AC_CANONICAL_HOST => 1;
198 use constant AC_CANONICAL_SYSTEM => 2;
200 # Values indicating when something should be cleaned.
201 use constant MOSTLY_CLEAN => 0;
202 use constant CLEAN => 1;
203 use constant DIST_CLEAN => 2;
204 use constant MAINTAINER_CLEAN => 3;
207 my @libtool_files = qw(ltmain.sh config.guess config.sub);
208 # ltconfig appears here for compatibility with old versions of libtool.
209 my @libtool_sometimes = qw(ltconfig ltcf-c.sh ltcf-cxx.sh ltcf-gcj.sh);
211 # Commonly found files we look for and automatically include in
214 (qw(ABOUT-GNU ABOUT-NLS AUTHORS BACKLOG COPYING COPYING.DOC COPYING.LIB
215 COPYING.LESSER ChangeLog INSTALL NEWS README THANKS TODO
216 ansi2knr.1 ansi2knr.c compile config.guess config.rpath config.sub
217 configure configure.ac configure.in depcomp elisp-comp
218 install-sh libversion.in mdate-sh missing mkinstalldirs
219 py-compile texinfo.tex ylwrap),
220 @libtool_files, @libtool_sometimes);
222 # Commonly used files we auto-include, but only sometimes.
223 my @common_sometimes =
224 qw(aclocal.m4 acconfig.h config.h.top config.h.bot stamp-vti);
226 # Standard directories from the GNU Coding Standards, and additional
227 # pkg* directories from Automake. Stored in a hash for fast member check.
228 my %standard_prefix =
229 map { $_ => 1 } (qw(bin data exec include info lib libexec lisp
230 localstate man man1 man2 man3 man4 man5 man6
231 man7 man8 man9 oldinclude pkgdatadir
232 pkgincludedir pkglibdir sbin sharedstate
235 # Copyright on generated Makefile.ins.
236 my $gen_copyright = "\
237 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
238 # Free Software Foundation, Inc.
239 # This Makefile.in is free software; the Free Software Foundation
240 # gives unlimited permission to copy and/or distribute it,
241 # with or without modifications, as long as this notice is preserved.
243 # This program is distributed in the hope that it will be useful,
244 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
245 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
246 # PARTICULAR PURPOSE.
249 # These constants are returned by lang_*_rewrite functions.
250 # LANG_SUBDIR means that the resulting object file should be in a
251 # subdir if the source file is. In this case the file name cannot
252 # have `..' components.
253 use constant LANG_IGNORE => 0;
254 use constant LANG_PROCESS => 1;
255 use constant LANG_SUBDIR => 2;
257 # These are used when keeping track of whether an object can be built
258 # by two different paths.
259 use constant COMPILE_LIBTOOL => 1;
260 use constant COMPILE_ORDINARY => 2;
262 # We can't always associate a location to a variable or a rule,
263 # when its defined by Automake. We use INTERNAL in this case.
264 use constant INTERNAL => new Automake::Location;
267 ## ---------------------------------- ##
268 ## Variables related to the options. ##
269 ## ---------------------------------- ##
271 # TRUE if we should always generate Makefile.in.
272 my $force_generation = 1;
274 # From the Perl manual.
275 my $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
277 # TRUE if missing standard files should be installed.
280 # TRUE if we should copy missing files; otherwise symlink if possible.
281 my $copy_missing = 0;
283 # TRUE if we should always update files that we know about.
284 my $force_missing = 0;
287 ## ---------------------------------------- ##
288 ## Variables filled during files scanning. ##
289 ## ---------------------------------------- ##
291 # Name of the configure.ac file.
292 my $configure_ac = require_configure_ac;
294 # Files found by scanning configure.ac for LIBOBJS.
297 # Names used in AC_CONFIG_HEADER call.
298 my @config_headers = ();
299 # Where AC_CONFIG_HEADER appears.
300 my $config_header_location;
302 # Names used in AC_CONFIG_LINKS call.
303 my @config_links = ();
305 # Directory where output files go. Actually, output files are
306 # relative to this directory.
307 my $output_directory;
309 # List of Makefile.am's to process, and their corresponding outputs.
310 my @input_files = ();
311 my %output_files = ();
313 # Complete list of Makefile.am's that exist.
314 my @configure_input_files = ();
316 # List of files in AC_CONFIG_FILES/AC_OUTPUT without Makefile.am's,
318 my @other_input_files = ();
319 # Where the last AC_CONFIG_FILES/AC_OUTPUT appears.
320 my $ac_config_files_location;
322 # List of directories to search for configure-required files. This
323 # can be set by AC_CONFIG_AUX_DIR.
324 my @config_aux_path = qw(. .. ../..);
325 my $config_aux_dir = '';
326 my $config_aux_dir_set_in_configure_in = 0;
328 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
329 my $seen_gettext = 0;
330 # Whether AM_GNU_GETTEXT([external]) is used.
331 my $seen_gettext_external = 0;
332 # Where AM_GNU_GETTEXT appears.
333 my $ac_gettext_location;
335 # TRUE if we've seen AC_CANONICAL_(HOST|SYSTEM).
336 my $seen_canonical = 0;
337 my $canonical_location;
339 # Where AM_MAINTAINER_MODE appears.
342 # Actual version we've seen.
343 my $package_version = '';
345 # Where version is defined.
346 my $package_version_location;
348 # TRUE if we've seen AC_ENABLE_MULTILIB.
349 my $seen_multilib = 0;
351 # TRUE if we've seen AM_PROG_CC_C_O
354 # Where AM_INIT_AUTOMAKE is called;
355 my $seen_init_automake = 0;
357 # TRUE if we've seen AM_AUTOMAKE_VERSION.
358 my $seen_automake_version = 0;
360 # Hash table of discovered configure substitutions. Keys are names,
361 # values are `FILE:LINE' strings which are used by error message
363 my %configure_vars = ();
365 # Files included by $configure_ac.
366 my @configure_deps = ();
368 # Greatest timestamp of configure's dependencies.
369 my $configure_deps_greatest_timestamp = 0;
371 # Hash table of AM_CONDITIONAL variables seen in configure.
372 my %configure_cond = ();
374 # This maps extensions onto language names.
375 my %extension_map = ();
377 # List of the DIST_COMMON files we discovered while reading
379 my $configure_dist_common = '';
381 # This maps languages names onto objects.
384 # List of targets we must always output.
385 # FIXME: Complete, and remove falsely required targets.
386 my %required_targets =
399 # FIXME: Not required, temporary hacks.
400 # Well, actually they are sort of required: the -recursive
401 # targets will run them anyway...
406 'install-data-am' => 1,
407 'install-exec-am' => 1,
408 'installcheck-am' => 1,
414 # This is set to 1 when Automake needs to be run again.
415 # (For instance, this happens when an auxiliary file such as
416 # depcomp is added after the toplevel Makefile.in -- which
417 # should distribute depcomp -- has been generated.)
418 my $automake_needs_to_reprocess_all_files = 0;
420 # If a file name appears as a key in this hash, then it has already
421 # been checked for. This variable is local to the "require file"
423 my %require_file_found = ();
425 # The name of the Makefile currently being processed.
429 ################################################################
431 ## ------------------------------------------ ##
432 ## Variables reset by &initialize_per_input. ##
433 ## ------------------------------------------ ##
435 # Basename and relative dir of the input file.
439 # Same but wrt Makefile.in.
443 # Greatest timestamp of the output's dependencies (excluding
444 # configure's dependencies).
445 my $output_deps_greatest_timestamp;
447 # These two variables are used when generating each Makefile.in.
448 # They hold the Makefile.in until it is ready to be printed.
455 # This is the conditional stack, updated on if/else/endif, and
456 # used to build Condition objects.
459 # This holds the set of included files.
462 # This holds a list of directories which we must create at `dist'
463 # time. This is used in some strange scenarios involving weird
464 # AC_OUTPUT commands.
467 # List of dependencies for the obvious targets.
472 # Keys in this hash table are files to delete. The associated
473 # value tells when this should happen (MOSTLY_CLEAN, DIST_CLEAN, etc.)
476 # Keys in this hash table are object files or other files in
477 # subdirectories which need to be removed. This only holds files
478 # which are created by compilations. The value in the hash indicates
479 # when the file should be removed.
480 my %compile_clean_files;
482 # Keys in this hash table are directories where we expect to build a
483 # libtool object. We use this information to decide what directories
485 my %libtool_clean_directories;
487 # Value of `$(SOURCES)', used by tags.am.
489 # Sources which go in the distribution.
492 # This hash maps object file names onto their corresponding source
493 # file names. This is used to ensure that each object is created
494 # by a single source file.
497 # This hash maps object file names onto an integer value representing
498 # whether this object has been built via ordinary compilation or
499 # libtool compilation (the COMPILE_* constants).
500 my %object_compilation_map;
503 # This keeps track of the directories for which we've already
504 # created dirstamp code.
510 # This is a list of all targets to run during "make dist".
513 # Keys in this hash are the basenames of files which must depend on
514 # ansi2knr. Values are either the empty string, or the directory in
515 # which the ANSI source file appears; the directory must have a
519 # This is the name of the redirect `all' target to use.
522 # This keeps track of which extensions we've seen (that we care
526 # This is random scratch space for the language finish functions.
527 # Don't randomly overwrite it; examine other uses of keys first.
528 my %language_scratch;
530 # We keep track of which objects need special (per-executable)
531 # handling on a per-language basis.
532 my %lang_specific_files;
534 # This is set when `handle_dist' has finished. Once this happens,
535 # we should no longer push on dist_common.
538 # Used to store a set of linkers needed to generate the sources currently
539 # under consideration.
542 # True if we need `LINK' defined. This is a hack.
545 # Was get_object_extension run?
546 # FIXME: This is a hack. a better switch should be found.
547 my $get_object_extension_was_run;
549 ################################################################
551 # var_SUFFIXES_trigger ($TYPE, $VALUE)
552 # ------------------------------------
553 # This is called by Automake::Variable::define() when SUFFIXES
554 # is defined ($TYPE eq '') or appended ($TYPE eq '+').
555 # The work here needs to be performed as a side-effect of the
556 # macro_define() call because SUFFIXES definitions impact
557 # on $KNOWN_EXTENSIONS_PATTERN which is used used when parsing
559 sub var_SUFFIXES_trigger ($$)
561 my ($type, $value) = @_;
562 accept_extensions (split (' ', $value));
564 Automake::Variable::hook ('SUFFIXES', &var_SUFFIXES_trigger);
566 ################################################################
568 ## --------------------------------- ##
569 ## Forward subroutine declarations. ##
570 ## --------------------------------- ##
571 sub register_language (%);
572 sub file_contents_internal ($$$%);
573 sub define_files_variable ($\@$$);
576 # &initialize_per_input ()
577 # ------------------------
578 # (Re)-Initialize per-Makefile.am variables.
579 sub initialize_per_input ()
581 reset_local_duplicates ();
584 $am_relative_dir = '';
589 $output_deps_greatest_timestamp = 0;
593 $output_trailer = '';
597 Automake::Options::reset;
598 Automake::Variable::reset;
599 Automake::Rule::reset;
617 %object_compilation_map = ();
629 %extension_seen = ();
631 %language_scratch = ();
633 %lang_specific_files = ();
635 $handle_dist_run = 0;
639 $get_object_extension_was_run = 0;
641 %compile_clean_files = ();
643 # We always include `.'. This isn't strictly correct.
644 %libtool_clean_directories = ('.' => 1);
648 ################################################################
650 # Initialize our list of languages that are internally supported.
653 register_language ('name' => 'c',
655 'config_vars' => ['CC'],
658 'flags' => ['CFLAGS', 'CPPFLAGS'],
659 'compiler' => 'COMPILE',
660 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
664 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
665 'compile_flag' => '-c',
666 'extensions' => ['.c'],
667 '_finish' => \&lang_c_finish);
670 register_language ('name' => 'cxx',
672 'config_vars' => ['CXX'],
673 'linker' => 'CXXLINK',
674 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
676 'flags' => ['CXXFLAGS', 'CPPFLAGS'],
677 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
678 'compiler' => 'CXXCOMPILE',
679 'compile_flag' => '-c',
680 'output_flag' => '-o',
684 'extensions' => ['.c++', '.cc', '.cpp', '.cxx', '.C']);
687 register_language ('name' => 'objc',
688 'Name' => 'Objective C',
689 'config_vars' => ['OBJC'],
690 'linker' => 'OBJCLINK',,
691 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
693 'flags' => ['OBJCFLAGS', 'CPPFLAGS'],
694 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
695 'compiler' => 'OBJCCOMPILE',
696 'compile_flag' => '-c',
697 'output_flag' => '-o',
701 'extensions' => ['.m']);
704 register_language ('name' => 'header',
706 'extensions' => ['.h', '.H', '.hxx', '.h++', '.hh',
709 'output_extensions' => sub { return () },
711 '_finish' => sub { });
714 register_language ('name' => 'yacc',
716 'config_vars' => ['YACC'],
717 'flags' => ['YFLAGS'],
718 'compile' => '$(YACC) $(YFLAGS) $(AM_YFLAGS)',
719 'compiler' => 'YACCCOMPILE',
720 'extensions' => ['.y'],
721 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
723 'rule_file' => 'yacc',
724 '_finish' => \&lang_yacc_finish,
725 '_target_hook' => \&lang_yacc_target_hook);
726 register_language ('name' => 'yaccxx',
727 'Name' => 'Yacc (C++)',
728 'config_vars' => ['YACC'],
729 'rule_file' => 'yacc',
730 'flags' => ['YFLAGS'],
731 'compiler' => 'YACCCOMPILE',
732 'compile' => '$(YACC) $(YFLAGS) $(AM_YFLAGS)',
733 'extensions' => ['.y++', '.yy', '.yxx', '.ypp'],
734 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/y/c/;
736 '_finish' => \&lang_yacc_finish,
737 '_target_hook' => \&lang_yacc_target_hook);
740 register_language ('name' => 'lex',
742 'config_vars' => ['LEX'],
743 'rule_file' => 'lex',
744 'flags' => ['LFLAGS'],
745 'compile' => '$(LEX) $(LFLAGS) $(AM_LFLAGS)',
746 'compiler' => 'LEXCOMPILE',
747 'extensions' => ['.l'],
748 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
750 '_finish' => \&lang_lex_finish,
751 '_target_hook' => \&lang_lex_target_hook);
752 register_language ('name' => 'lexxx',
753 'Name' => 'Lex (C++)',
754 'config_vars' => ['LEX'],
755 'rule_file' => 'lex',
756 'flags' => ['LFLAGS'],
757 'compile' => '$(LEX) $(LFLAGS) $(AM_LFLAGS)',
758 'compiler' => 'LEXCOMPILE',
759 'extensions' => ['.l++', '.ll', '.lxx', '.lpp'],
760 'output_extensions' => sub { (my $ext = $_[0]) =~ tr/l/c/;
762 '_finish' => \&lang_lex_finish,
763 '_target_hook' => \&lang_lex_target_hook);
766 register_language ('name' => 'asm',
767 'Name' => 'Assembler',
768 'config_vars' => ['CCAS', 'CCASFLAGS'],
770 'flags' => ['CCASFLAGS'],
771 # Users can set AM_ASFLAGS to includes DEFS, INCLUDES,
772 # or anything else required. They can also set AS.
773 'compile' => '$(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)',
774 'compiler' => 'CCASCOMPILE',
775 'compile_flag' => '-c',
776 'extensions' => ['.s', '.S'],
778 # With assembly we still use the C linker.
779 '_finish' => \&lang_c_finish);
782 register_language ('name' => 'f77',
783 'Name' => 'Fortran 77',
784 'linker' => 'F77LINK',
785 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
786 'flags' => ['FFLAGS'],
787 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
788 'compiler' => 'F77COMPILE',
789 'compile_flag' => '-c',
790 'output_flag' => '-o',
794 'extensions' => ['.f', '.for', '.f90']);
796 # Preprocessed Fortran 77
798 # The current support for preprocessing Fortran 77 just involves
799 # passing `$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
800 # $(CPPFLAGS)' as additional flags to the Fortran 77 compiler, since
801 # this is how GNU Make does it; see the `GNU Make Manual, Edition 0.51
802 # for `make' Version 3.76 Beta' (specifically, from info file
803 # `(make)Catalogue of Rules').
805 # A better approach would be to write an Autoconf test
806 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
807 # Fortran 77 compilers know how to do preprocessing. The Autoconf
808 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
809 # preprocessing capabilities, and then fall back on cpp (if cpp were
811 register_language ('name' => 'ppf77',
812 'Name' => 'Preprocessed Fortran 77',
813 'config_vars' => ['F77'],
814 'linker' => 'F77LINK',
815 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
818 'flags' => ['FFLAGS', 'CPPFLAGS'],
819 'compiler' => 'PPF77COMPILE',
820 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
821 'compile_flag' => '-c',
822 'output_flag' => '-o',
824 'extensions' => ['.F']);
827 register_language ('name' => 'ratfor',
829 'config_vars' => ['F77'],
830 'linker' => 'F77LINK',
831 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
834 'flags' => ['RFLAGS', 'FFLAGS'],
836 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
837 'compiler' => 'RCOMPILE',
838 'compile_flag' => '-c',
839 'output_flag' => '-o',
841 'extensions' => ['.r']);
844 register_language ('name' => 'java',
846 'config_vars' => ['GCJ'],
847 'linker' => 'GCJLINK',
848 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
850 'flags' => ['GCJFLAGS'],
851 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
852 'compiler' => 'GCJCOMPILE',
853 'compile_flag' => '-c',
854 'output_flag' => '-o',
858 'extensions' => ['.java', '.class', '.zip', '.jar']);
860 ################################################################
862 # Error reporting functions.
864 # err_am ($MESSAGE, [%OPTIONS])
865 # -----------------------------
866 # Uncategorized errors about the current Makefile.am.
869 msg_am ('error', @_);
872 # err_ac ($MESSAGE, [%OPTIONS])
873 # -----------------------------
874 # Uncategorized errors about configure.ac.
877 msg_ac ('error', @_);
880 # msg_am ($CHANNEL, $MESSAGE, [%OPTIONS])
881 # ---------------------------------------
882 # Messages about about the current Makefile.am.
885 my ($channel, $msg, %opts) = @_;
886 msg $channel, "${am_file}.am", $msg, %opts;
889 # msg_ac ($CHANNEL, $MESSAGE, [%OPTIONS])
890 # ---------------------------------------
891 # Messages about about configure.ac.
894 my ($channel, $msg, %opts) = @_;
895 msg $channel, $configure_ac, $msg, %opts;
898 ################################################################
902 # Return a configure-style substitution using the indicated text.
903 # We do this to avoid having the substitutions directly in automake.in;
904 # when we do that they are sometimes removed and this causes confusion
909 return '@' . $text . '@';
912 ################################################################
916 # &backname ($REL-DIR)
917 # --------------------
918 # If I `cd $REL-DIR', then to come back, I should `cd $BACKPATH'.
919 # For instance `src/foo' => `../..'.
920 # Works with non strictly increasing paths, i.e., `src/../lib' => `..'.
925 foreach (split (/\//, $file))
927 next if $_ eq '.' || $_ eq '';
937 return join ('/', @res) || '.';
940 ################################################################
943 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
946 my $var = var ('AUTOMAKE_OPTIONS');
949 # FIXME: We should disallow conditional definitions of AUTOMAKE_OPTIONS.
950 if (process_option_list ($var->rdef (TRUE)->location,
951 $var->value_as_list_recursive (TRUE)))
957 if ($strictness == GNITS)
959 set_option ('readme-alpha', INTERNAL);
960 set_option ('std-options', INTERNAL);
961 set_option ('check-news', INTERNAL);
968 # get_object_extension ($OUT)
969 # ---------------------------
970 # Return object extension. Just once, put some code into the output.
971 # OUT is the name of the output file
972 sub get_object_extension
976 # Maybe require libtool library object files.
977 my $extension = '.$(OBJEXT)';
978 $extension = '.lo' if ($out =~ /\.la$/);
980 # Check for automatic de-ANSI-fication.
981 $extension = '$U' . $extension
982 if option 'ansi2knr';
984 $get_object_extension_was_run = 1;
990 # Call finish function for each language that was used.
993 if (! option 'no-dependencies')
995 # Include auto-dep code. Don't include it if DEP_FILES would
997 if (&saw_sources_p (0) && keys %dep_files)
999 # Set location of depcomp.
1000 &define_variable ('depcomp', "\$(SHELL) $config_aux_dir/depcomp",
1002 &define_variable ('am__depfiles_maybe', 'depfiles', INTERNAL);
1004 require_conf_file ("$am_file.am", FOREIGN, 'depcomp');
1006 my @deplist = sort keys %dep_files;
1008 # We define this as a conditional variable because BSD
1009 # make can't handle backslashes for continuing comments on
1010 # the following line.
1011 define_pretty_variable ('DEP_FILES',
1012 new Automake::Condition ('AMDEP_TRUE'),
1013 INTERNAL, @deplist);
1015 # Generate each `include' individually. Irix 6 make will
1016 # not properly include several files resulting from a
1017 # variable expansion; generating many separate includes
1019 $output_rules .= "\n";
1020 foreach my $iter (@deplist)
1022 $output_rules .= (subst ('AMDEP_TRUE')
1023 . subst ('am__include')
1025 . subst ('am__quote')
1027 . subst ('am__quote')
1031 # Compute the set of directories to remove in distclean-depend.
1032 my @depdirs = uniq (map { dirname ($_) } @deplist);
1033 $output_rules .= &file_contents ('depend',
1034 new Automake::Location,
1035 DEPDIRS => "@depdirs");
1040 &define_variable ('depcomp', '', INTERNAL);
1041 &define_variable ('am__depfiles_maybe', '', INTERNAL);
1046 # Is the c linker needed?
1048 foreach my $ext (sort keys %extension_seen)
1050 next unless $extension_map{$ext};
1052 my $lang = $languages{$extension_map{$ext}};
1054 my $rule_file = $lang->rule_file || 'depend2';
1056 # Get information on $LANG.
1057 my $pfx = $lang->autodep;
1058 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1060 my ($AMDEP, $FASTDEP) =
1061 (option 'no-dependencies' || $lang->autodep eq 'no')
1062 ? ('FALSE', 'FALSE') : ('AMDEP', "am__fastdep$fpfx");
1064 my %transform = ('EXT' => $ext,
1068 'FASTDEP' => $FASTDEP,
1069 '-c' => $lang->compile_flag || '',
1071 => (count_files_for_language ($lang->name) > 1));
1073 # Generate the appropriate rules for this extension.
1074 if (((! option 'no-dependencies') && $lang->autodep ne 'no')
1075 || defined $lang->compile)
1077 # Some C compilers don't support -c -o. Use it only if really
1079 my $output_flag = $lang->output_flag || '';
1082 && $lang->name eq 'c'
1083 && option 'subdir-objects');
1085 # Compute a possible derived extension.
1086 # This is not used by depend2.am.
1087 my $der_ext = (&{$lang->output_extensions} ($ext))[0];
1090 file_contents ($rule_file,
1091 new Automake::Location,
1095 'DERIVED-EXT' => $der_ext,
1097 # In this situation we know that the
1098 # object is in this directory, so
1099 # $(DEPDIR) is the correct location for
1101 DEPBASE => '$(DEPDIR)/$*',
1108 COMPILE => '$(' . $lang->compiler . ')',
1109 LTCOMPILE => '$(LT' . $lang->compiler . ')',
1110 -o => $output_flag);
1113 # Now include code for each specially handled object with this
1115 my %seen_files = ();
1116 foreach my $file (@{$lang_specific_files{$lang->name}})
1118 my ($derived, $source, $obj, $myext) = split (' ', $file);
1120 # We might see a given object twice, for instance if it is
1121 # used under different conditions.
1122 next if defined $seen_files{$obj};
1123 $seen_files{$obj} = 1;
1125 prog_error ("found " . $lang->name .
1126 " in handle_languages, but compiler not defined")
1127 unless defined $lang->compile;
1129 my $obj_compile = $lang->compile;
1131 # Rewrite each occurrence of `AM_$flag' in the compile
1132 # rule into `${derived}_$flag' if it exists.
1133 for my $flag (@{$lang->flags})
1135 my $val = "${derived}_$flag";
1136 $obj_compile =~ s/\(AM_$flag\)/\($val\)/
1140 my $obj_ltcompile = '$(LIBTOOL) --mode=compile ' . $obj_compile;
1142 # We _need_ `-o' for per object rules.
1143 my $output_flag = $lang->output_flag || '-o';
1145 my $depbase = dirname ($obj);
1149 unless $depbase eq '';
1150 $depbase .= '$(DEPDIR)/' . basename ($obj);
1152 # Support for deansified files in subdirectories is ugly
1153 # enough to deserve an explanation.
1155 # A Note about normal ansi2knr processing first. On
1157 # AUTOMAKE_OPTIONS = ansi2knr
1158 # bin_PROGRAMS = foo
1159 # foo_SOURCES = foo.c
1161 # we generate rules similar to:
1163 # foo: foo$U.o; link ...
1164 # foo$U.o: foo$U.c; compile ...
1165 # foo_.c: foo.c; ansi2knr ...
1167 # this is fairly compact, and will call ansi2knr depending
1168 # on the value of $U (`' or `_').
1170 # It's harder with subdir sources. On
1172 # AUTOMAKE_OPTIONS = ansi2knr
1173 # bin_PROGRAMS = foo
1174 # foo_SOURCES = sub/foo.c
1176 # we have to create foo_.c in the current directory.
1177 # (Unless the user asks 'subdir-objects'.) This is important
1178 # in case the same file (`foo.c') is compiled from other
1179 # directories with different cpp options: foo_.c would
1180 # be preprocessed for only one set of options if it were
1181 # put in the subdirectory.
1183 # Because foo$U.o must be built from either foo_.c or
1184 # sub/foo.c we can't be as concise as in the first example.
1187 # foo: foo$U.o; link ...
1188 # foo_.o: foo_.c; compile ...
1189 # foo.o: sub/foo.c; compile ...
1190 # foo_.c: foo.c; ansi2knr ...
1192 # This is why we'll now transform $rule_file twice
1193 # if we detect this case.
1194 # A first time we output the compile rule with `$U'
1195 # replaced by `_' and the source directory removed,
1196 # and another time we simply remove `$U'.
1198 # Note that at this point $source (as computed by
1199 # &handle_single_transform_list) is `sub/foo$U.c'.
1200 # This can be confusing: it can be used as-is when
1201 # subdir-objects is set, otherwise you have to know
1202 # it really means `foo_.c' or `sub/foo.c'.
1203 my $objdir = dirname ($obj);
1204 my $srcdir = dirname ($source);
1205 if ($lang->ansi && $obj =~ /\$U/)
1207 prog_error "`$obj' contains \$U, but `$source' doesn't."
1208 if $source !~ /\$U/;
1210 (my $source_ = $source) =~ s/\$U/_/g;
1211 # Explicitly clean the _.c files if they are in
1212 # a subdirectory. (In the current directory they get
1213 # erased by a `rm -f *_.c' rule.)
1214 $clean_files{$source_} = MOSTLY_CLEAN
1216 # Output an additional rule if _.c and .c are not in
1217 # the same directory. (_.c is always in $objdir.)
1218 if ($objdir ne $srcdir)
1220 (my $obj_ = $obj) =~ s/\$U/_/g;
1221 (my $depbase_ = $depbase) =~ s/\$U/_/g;
1222 $source_ = basename ($source_);
1225 file_contents ($rule_file,
1226 new Automake::Location,
1230 DEPBASE => $depbase_,
1233 OBJ => "$obj_$myext",
1234 OBJOBJ => "$obj_.obj",
1235 LTOBJ => "$obj_.lo",
1237 COMPILE => $obj_compile,
1238 LTCOMPILE => $obj_ltcompile,
1239 -o => $output_flag);
1241 $depbase =~ s/\$U//g;
1242 $source =~ s/\$U//g;
1247 file_contents ($rule_file,
1248 new Automake::Location,
1252 DEPBASE => $depbase,
1255 # Use $myext and not `.o' here, in case
1256 # we are actually building a new source
1257 # file -- e.g. via yacc.
1258 OBJ => "$obj$myext",
1259 OBJOBJ => "$obj.obj",
1262 COMPILE => $obj_compile,
1263 LTCOMPILE => $obj_ltcompile,
1264 -o => $output_flag);
1267 # The rest of the loop is done once per language.
1268 next if defined $done{$lang};
1271 # Load the language dependent Makefile chunks.
1272 my %lang = map { uc ($_) => 0 } keys %languages;
1273 $lang{uc ($lang->name)} = 1;
1274 $output_rules .= file_contents ('lang-compile',
1275 new Automake::Location,
1278 # If the source to a program consists entirely of code from a
1279 # `pure' language, for instance C++ for Fortran 77, then we
1280 # don't need the C compiler code. However if we run into
1281 # something unusual then we do generate the C code. There are
1282 # probably corner cases here that do not work properly.
1283 # People linking Java code to Fortran code deserve pain.
1284 $needs_c ||= ! $lang->pure;
1286 define_compiler_variable ($lang)
1287 if ($lang->compile);
1289 define_linker_variable ($lang)
1292 require_variables ("$am_file.am", $lang->Name . " source seen",
1293 TRUE, @{$lang->config_vars});
1295 # Call the finisher.
1298 # Flags listed in `->flags' are user variables (per GNU Standards),
1299 # they should not be overridden in the Makefile...
1300 my @dont_override = @{$lang->flags};
1301 # ... and so is LDFLAGS.
1302 push @dont_override, 'LDFLAGS' if $lang->link;
1304 foreach my $flag (@dont_override)
1306 my $var = var $flag;
1309 for my $cond ($var->conditions->conds)
1311 if ($var->rdef ($cond)->owner == VAR_MAKEFILE)
1313 msg_cond_var ('gnu', $cond, $flag,
1314 "`$flag' is a user variable, "
1315 . "you should not override it;\n"
1316 . "use `AM_$flag' instead.");
1323 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1324 # suffix rule was learned), don't bother with the C stuff. But if
1325 # anything else creeps in, then use it.
1327 if $need_link || suffix_rules_count > 1;
1331 &define_compiler_variable ($languages{'c'})
1332 unless defined $done{$languages{'c'}};
1333 define_linker_variable ($languages{'c'});
1337 # Check to make sure a source defined in LIBOBJS is not explicitly
1338 # mentioned. This is a separate function (as opposed to being inlined
1339 # in handle_source_transform) because it isn't always appropriate to
1341 sub check_libobjs_sources
1343 my ($one_file, $unxformed) = @_;
1345 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1346 'dist_EXTRA_', 'nodist_EXTRA_')
1349 my $varname = $prefix . $one_file . '_SOURCES';
1350 my $var = var ($varname);
1353 @files = $var->value_as_list_recursive ('all');
1355 elsif ($prefix eq '')
1357 @files = ($unxformed . '.c');
1364 foreach my $file (@files)
1366 err_var ($prefix . $one_file . '_SOURCES',
1367 "automatically discovered file `$file' should not" .
1368 " be explicitly mentioned")
1369 if defined $libsources{$file};
1376 # handle_single_transform_list ($VAR, $TOPPARENT, $DERIVED, $OBJ, @FILES)
1377 # -----------------------------------------------------------------------
1378 # Does much of the actual work for handle_source_transform.
1380 # $VAR is the name of the variable that the source filenames come from
1381 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1382 # $DERIVED is the name of resulting executable or library
1383 # $OBJ is the object extension (e.g., `$U.lo')
1384 # @FILES is the list of source files to transform
1385 # Result is a list of the names of objects
1386 # %linkers_used will be updated with any linkers needed
1387 sub handle_single_transform_list ($$$$@)
1389 my ($var, $topparent, $derived, $obj, @files) = @_;
1391 my $nonansi_obj = $obj;
1392 $nonansi_obj =~ s/\$U//g;
1394 # Turn sources into objects. We use a while loop like this
1395 # because we might add to @files in the loop.
1396 while (scalar @files > 0)
1400 # Configure substitutions in _SOURCES variables are errors.
1403 my $parent_msg = '';
1404 $parent_msg = "\nand is referred to from `$topparent'"
1405 if $topparent ne $var->name;
1407 "`" . $var->name . "' includes configure substitution `$_'"
1408 . $parent_msg . ";\nconfigure " .
1409 "substitutions are not allowed in _SOURCES variables");
1413 # If the source file is in a subdirectory then the `.o' is put
1414 # into the current directory, unless the subdir-objects option
1417 # Split file name into base and extension.
1418 next if ! /^(?:(.*)\/)?([^\/]*)($KNOWN_EXTENSIONS_PATTERN)$/;
1420 my $directory = $1 || '';
1424 # We must generate a rule for the object if it requires its own flags.
1426 my ($linker, $object);
1428 # This records whether we've seen a derived source file (e.g.
1430 my $derived_source = 0;
1432 # This holds the `aggregate context' of the file we are
1433 # currently examining. If the file is compiled with
1434 # per-object flags, then it will be the name of the object.
1435 # Otherwise it will be `AM'. This is used by the target hook
1436 # language function.
1437 my $aggregate = 'AM';
1439 $extension = &derive_suffix ($extension, $nonansi_obj);
1441 if ($extension_map{$extension} &&
1442 ($lang = $languages{$extension_map{$extension}}))
1444 # Found the language, so see what it says.
1445 &saw_extension ($extension);
1447 # Note: computed subr call. The language rewrite function
1448 # should return one of the LANG_* constants. It could
1449 # also return a list whose first value is such a constant
1450 # and whose second value is a new source extension which
1451 # should be applied. This means this particular language
1452 # generates another source file which we must then process
1454 my $subr = \&{'lang_' . $lang->name . '_rewrite'};
1455 my ($r, $source_extension)
1456 = &$subr ($directory, $base, $extension);
1457 # Skip this entry if we were asked not to process it.
1458 next if $r == LANG_IGNORE;
1460 # Now extract linker and other info.
1461 $linker = $lang->linker;
1464 if (defined $source_extension)
1466 $this_obj_ext = $source_extension;
1467 $derived_source = 1;
1471 $this_obj_ext = $obj;
1475 $this_obj_ext = $nonansi_obj;
1477 $object = $base . $this_obj_ext;
1479 # Do we have per-executable flags for this executable?
1480 my $have_per_exec_flags = 0;
1481 foreach my $flag (@{$lang->flags})
1483 if (set_seen ("${derived}_$flag"))
1485 $have_per_exec_flags = 1;
1490 if ($have_per_exec_flags)
1492 # We have a per-executable flag in effect for this
1493 # object. In this case we rewrite the object's
1494 # name to ensure it is unique. We also require
1495 # the `compile' program to deal with compilers
1496 # where `-c -o' does not work.
1498 # We choose the name `DERIVED_OBJECT' to ensure
1499 # (1) uniqueness, and (2) continuity between
1500 # invocations. However, this will result in a
1501 # name that is too long for losing systems, in
1502 # some situations. So we provide _SHORTNAME to
1505 my $dname = $derived;
1506 my $var = var ($derived . '_SHORTNAME');
1509 # FIXME: should use the same Condition as
1510 # the _SOURCES variable. But this is really
1511 # silly overkill -- nobody should have
1512 # conditional shortnames.
1513 $dname = $var->variable_value;
1515 $object = $dname . '-' . $object;
1517 require_conf_file ("$am_file.am", FOREIGN, 'compile')
1518 if $lang->name eq 'c';
1520 prog_error ($lang->name . " flags defined without compiler")
1521 if ! defined $lang->compile;
1526 # If rewrite said it was ok, put the object into a
1528 if ($r == LANG_SUBDIR && $directory ne '')
1530 $object = $directory . '/' . $object;
1533 # If doing dependency tracking, then we can't print
1534 # the rule. If we have a subdir object, we need to
1535 # generate an explicit rule. Actually, in any case
1536 # where the object is not in `.' we need a special
1537 # rule. The per-object rules in this case are
1538 # generated later, by handle_languages.
1539 if ($renamed || $directory ne '')
1541 my $obj_sans_ext = substr ($object, 0,
1542 - length ($this_obj_ext));
1543 my $full_ansi = $full;
1544 if ($lang->ansi && option 'ansi2knr')
1546 $full_ansi =~ s/$KNOWN_EXTENSIONS_PATTERN$/\$U$&/;
1547 $obj_sans_ext .= '$U';
1550 my $val = ("$full_ansi $obj_sans_ext "
1551 # Only use $this_obj_ext in the derived
1552 # source case because in the other case we
1553 # *don't* want $(OBJEXT) to appear here.
1554 . ($derived_source ? $this_obj_ext : '.o'));
1556 # If we renamed the object then we want to use the
1557 # per-executable flag name. But if this is simply a
1558 # subdir build then we still want to use the AM_ flag
1562 $val = "$derived $val";
1563 $aggregate = $derived;
1570 # Each item on this list is a string consisting of
1571 # four space-separated values: the derived flag prefix
1572 # (e.g. for `foo_CFLAGS', it is `foo'), the name of the
1573 # source file, the base name of the output file, and
1574 # the extension for the object file.
1575 push (@{$lang_specific_files{$lang->name}}, $val);
1578 elsif ($extension eq $nonansi_obj)
1580 # This is probably the result of a direct suffix rule.
1581 # In this case we just accept the rewrite.
1582 $object = "$base$extension";
1587 # No error message here. Used to have one, but it was
1589 # FIXME: we could potentially do more processing here,
1590 # perhaps treating the new extension as though it were a
1591 # new source extension (as above). This would require
1592 # more restructuring than is appropriate right now.
1596 err_am "object `$object' created by `$full' and `$object_map{$object}'"
1597 if (defined $object_map{$object}
1598 && $object_map{$object} ne $full);
1600 my $comp_val = (($object =~ /\.lo$/)
1601 ? COMPILE_LIBTOOL : COMPILE_ORDINARY);
1602 (my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
1603 if (defined $object_compilation_map{$comp_obj}
1604 && $object_compilation_map{$comp_obj} != 0
1605 # Only see the error once.
1606 && ($object_compilation_map{$comp_obj}
1607 != (COMPILE_LIBTOOL | COMPILE_ORDINARY))
1608 && $object_compilation_map{$comp_obj} != $comp_val)
1610 err_am "object `$comp_obj' created both with libtool and without";
1612 $object_compilation_map{$comp_obj} |= $comp_val;
1616 # Let the language do some special magic if required.
1617 $lang->target_hook ($aggregate, $object, $full);
1620 if ($derived_source)
1622 prog_error ($lang->name . " has automatic dependency tracking")
1623 if $lang->autodep ne 'no';
1624 # Make sure this new source file is handled next. That will
1625 # make it appear to be at the right place in the list.
1626 unshift (@files, $object);
1627 # Distribute derived sources unless the source they are
1628 # derived from is not.
1629 &push_dist_common ($object)
1630 unless ($topparent =~ /^(?:nobase_)?nodist_/);
1634 $linkers_used{$linker} = 1;
1636 push (@result, $object);
1638 if (! defined $object_map{$object})
1641 $object_map{$object} = $full;
1643 # If resulting object is in subdir, we need to make
1644 # sure the subdir exists at build time.
1645 if ($object =~ /\//)
1647 # FIXME: check that $DIRECTORY is somewhere in the
1650 # For Java, the way we're handling it right now, a
1651 # `..' component doesn't make sense.
1652 if ($lang->name eq 'java' && $object =~ /(\/|^)\.\.\//)
1654 err_am "`$full' should not contain a `..' component";
1657 # Make sure object is removed by `make mostlyclean'.
1658 $compile_clean_files{$object} = MOSTLY_CLEAN;
1659 # If we have a libtool object then we also must remove
1661 if ($object =~ /\.lo$/)
1663 (my $xobj = $object) =~ s,lo$,\$(OBJEXT),;
1664 $compile_clean_files{$xobj} = MOSTLY_CLEAN;
1666 # Remove any libtool object in this directory.
1667 $libtool_clean_directories{$directory} = 1;
1670 push (@dep_list, require_build_directory ($directory));
1672 # If we're generating dependencies, we also want
1673 # to make sure that the appropriate subdir of the
1674 # .deps directory is created.
1676 require_build_directory ($directory . '/$(DEPDIR)'))
1677 unless option 'no-dependencies';
1680 &pretty_print_rule ($object . ':', "\t", @dep_list)
1681 if scalar @dep_list > 0;
1684 # Transform .o or $o file into .P file (for automatic
1686 if ($lang && $lang->autodep ne 'no')
1688 my $depfile = $object;
1689 $depfile =~ s/\.([^.]*)$/.P$1/;
1690 $depfile =~ s/\$\(OBJEXT\)$/o/;
1691 $dep_files{dirname ($depfile) . '/$(DEPDIR)/'
1692 . basename ($depfile)} = 1;
1701 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
1702 # $OBJ, $PARENT, $TOPPARENT, $WHERE)
1703 # ---------------------------------------------------------------------
1704 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
1707 # $VAR is the name of the _SOURCES variable
1708 # $OBJVAR is the name of the _OBJECTS variable if known (otherwise
1709 # it will be generated and returned).
1710 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
1711 # work done to determine the linker will be).
1712 # $ONE_FILE is the canonical (transformed) name of object to build
1713 # $OBJ is the object extension (i.e. either `.o' or `.lo').
1714 # $TOPPARENT is the _SOURCES variable being processed.
1715 # $WHERE context into which this definition is done
1717 # Result is a pair ($LINKER, $OBJVAR):
1718 # $LINKER is a boolean, true if a linker is needed to deal with the objects
1719 sub define_objects_from_sources ($$$$$$$)
1721 my ($var, $objvar, $nodefine, $one_file, $obj, $topparent, $where) = @_;
1723 my $needlinker = "";
1725 transform_variable_recursively
1726 ($var, $objvar, 'am__objects', $nodefine, $where,
1727 # The transform code to run on each filename.
1729 my ($subvar, $val, $cond, $full_cond) = @_;
1730 my @trans = &handle_single_transform_list ($subvar, $topparent,
1731 $one_file, $obj, $val);
1732 $needlinker = "true" if @trans;
1740 # Handle SOURCE->OBJECT transform for one program or library.
1742 # canonical (transformed) name of object to build
1743 # actual name of object to build
1744 # object extension (i.e. either `.o' or `$o'.
1745 # Return result is name of linker variable that must be used.
1746 # Empty return means just use `LINK'.
1747 sub handle_source_transform
1749 # one_file is canonical name. unxformed is given name. obj is
1751 my ($one_file, $unxformed, $obj, $where) = @_;
1755 # No point in continuing if _OBJECTS is defined.
1756 return if reject_var ($one_file . '_OBJECTS',
1757 $one_file . '_OBJECTS should not be defined');
1762 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1763 'dist_EXTRA_', 'nodist_EXTRA_')
1765 my $varname = $prefix . $one_file . "_SOURCES";
1766 my $var = var $varname;
1769 # We are going to define _OBJECTS variables using the prefix.
1770 # Then we glom them all together. So we can't use the null
1771 # prefix here as we need it later.
1772 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
1774 # Keep track of which prefixes we saw.
1775 $used_pfx{$xpfx} = 1
1776 unless $prefix =~ /EXTRA_/;
1778 push @sources, "\$($varname)";
1779 if ($prefix !~ /^nodist_/)
1781 # If the VAR wasn't defined conditionally, we add
1782 # it to DIST_SOURCES as is. Otherwise we create a
1783 # am__VAR_DIST variable which contains all possible values,
1784 # and add this variable to DIST_SOURCES.
1785 my $distvar = $varname;
1786 if ($var->has_conditional_contents)
1788 $distvar = "am__${varname}_DIST";
1790 uniq ($var->value_as_list_recursive ('all'));
1791 define_pretty_variable ($distvar, TRUE, $where, @files);
1793 push @dist_sources, "\$($distvar)"
1797 define_objects_from_sources ($varname,
1798 $xpfx . $one_file . '_OBJECTS',
1799 $prefix =~ /EXTRA_/,
1800 $one_file, $obj, $varname, $where);
1804 $linker ||= &resolve_linker (%linkers_used);
1807 my @keys = sort keys %used_pfx;
1808 if (scalar @keys == 0)
1810 &define_variable ($one_file . "_SOURCES", $unxformed . ".c", $where);
1811 push (@sources, $unxformed . '.c');
1812 push (@dist_sources, $unxformed . '.c');
1816 &handle_single_transform_list ($one_file . '_SOURCES',
1817 $one_file . '_SOURCES',
1820 $linker ||= &resolve_linker (%linkers_used);
1821 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @result);
1825 @keys = map { '$(' . $_ . $one_file . '_OBJECTS)' } @keys;
1826 define_pretty_variable ($one_file . '_OBJECTS', TRUE, $where, @keys);
1829 # If we want to use `LINK' we must make sure it is defined.
1839 # handle_lib_objects ($XNAME, $VAR)
1840 # ---------------------------------
1841 # Special-case ALLOCA and LIBOBJS substitutions in _LDADD or _LIBADD variables.
1842 # Also, generate _DEPENDENCIES variable if appropriate.
1844 # transformed name of object being built, or empty string if no object
1845 # name of _LDADD/_LIBADD-type variable to examine
1846 # Returns 1 if LIBOBJS seen, 0 otherwise.
1847 sub handle_lib_objects
1849 my ($xname, $varname) = @_;
1851 my $var = var ($varname);
1852 prog_error "handle_lib_objects: `$varname' undefined"
1854 prog_error "handle_lib_objects: unexpected variable name `$varname'"
1855 unless $varname =~ /^(.*)(?:LIB|LD)ADD$/;
1856 my $prefix = $1 || 'AM_';
1858 my $seen_libobjs = 0;
1861 transform_variable_recursively
1862 ($varname, $xname . '_DEPENDENCIES', 'am__DEPENDENCIES',
1864 # Transformation function, run on each filename.
1866 my ($subvar, $val, $cond, $full_cond) = @_;
1870 # Skip -lfoo and -Ldir silently; these are explicitly allowed.
1871 if ($val !~ /^-[lL]/ &&
1872 # Skip -dlopen and -dlpreopen; these are explicitly allowed
1873 # for Libtool libraries or programs. (Actually we are a bit
1874 # laxest here since this code also applies to non-libtool
1875 # libraries or programs, for which -dlopen and -dlopreopen
1876 # are pure non-sence. Diagnosting this doesn't seems very
1877 # important: the developer will quickly get complaints from
1879 $val !~ /^-dl(?:pre)?open$/ &&
1880 # Only get this error once.
1884 # FIXME: should display a stack of nested variables
1885 # as context when $var != $subvar.
1886 err_var ($var, "linker flags such as `$val' belong in "
1887 . "`${prefix}LDFLAGS");
1891 elsif ($val !~ /^\@.*\@$/)
1893 # Assume we have a file of some sort, and output it into the
1894 # dependency variable. Autoconf substitutions are not output;
1895 # rarely is a new dependency substituted into e.g. foo_LDADD
1896 # -- but bad things (e.g. -lX11) are routinely substituted.
1897 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
1898 # and handled specially below.
1901 elsif ($val =~ /^\@(LT)?LIBOBJS\@$/)
1903 handle_LIBOBJS ($subvar, $full_cond, $1);
1907 elsif ($val =~ /^\@(LT)?ALLOCA\@$/)
1909 handle_ALLOCA ($subvar, $full_cond, $1);
1918 return $seen_libobjs;
1921 sub handle_LIBOBJS ($$$)
1923 my ($var, $cond, $lt) = @_;
1925 my $myobjext = ($1 ? 'l' : '') . 'o';
1927 $var->requires_variables ("\@${lt}LIBOBJS\@ used", $lt . 'LIBOBJS')
1928 if ! keys %libsources;
1930 foreach my $iter (keys %libsources)
1932 if ($iter =~ /\.[cly]$/)
1934 &saw_extension ($&);
1935 &saw_extension ('.c');
1938 if ($iter =~ /\.h$/)
1940 require_file_with_macro ($cond, $var, FOREIGN, $iter);
1942 elsif ($iter ne 'alloca.c')
1944 my $rewrite = $iter;
1945 $rewrite =~ s/\.c$/.P$myobjext/;
1946 $dep_files{'$(DEPDIR)/' . $rewrite} = 1;
1947 $rewrite = "^" . quotemeta ($iter) . "\$";
1948 # Only require the file if it is not a built source.
1949 my $bs = var ('BUILT_SOURCES');
1951 || ! grep (/$rewrite/, $bs->value_as_list_recursive ('all')))
1953 require_file_with_macro ($cond, $var, FOREIGN, $iter);
1959 sub handle_ALLOCA ($$$)
1961 my ($var, $cond, $lt) = @_;
1962 my $myobjext = ($lt ? 'l' : '') . 'o';
1964 $var->requires_variables ("\@${lt}ALLOCA\@ used", $lt . 'ALLOCA');
1965 $dep_files{'$(DEPDIR)/alloca.P' . $myobjext} = 1;
1966 require_file_with_macro ($cond, $var, FOREIGN, 'alloca.c');
1967 &saw_extension ('c');
1970 # Canonicalize the input parameter
1974 $string =~ tr/A-Za-z0-9_\@/_/c;
1978 # Canonicalize a name, and check to make sure the non-canonical name
1979 # is never used. Returns canonical name. Arguments are name and a
1980 # list of suffixes to check for.
1981 sub check_canonical_spelling
1983 my ($name, @suffixes) = @_;
1985 my $xname = &canonicalize ($name);
1986 if ($xname ne $name)
1988 foreach my $xt (@suffixes)
1990 reject_var ("$name$xt", "use `$xname$xt', not `$name$xt'");
2000 # Set up the compile suite.
2001 sub handle_compile ()
2004 unless $get_object_extension_was_run;
2007 my $default_includes = '';
2008 if (! option 'nostdinc')
2010 $default_includes = ' -I. -I$(srcdir)';
2012 my $var = var 'CONFIG_HEADER';
2015 foreach my $hdr (split (' ', $var->variable_value))
2017 $default_includes .= ' -I' . dirname ($hdr);
2022 my (@mostly_rms, @dist_rms);
2023 foreach my $item (sort keys %compile_clean_files)
2025 if ($compile_clean_files{$item} == MOSTLY_CLEAN)
2027 push (@mostly_rms, "\t-rm -f $item");
2029 elsif ($compile_clean_files{$item} == DIST_CLEAN)
2031 push (@dist_rms, "\t-rm -f $item");
2035 prog_error 'invalid entry in %compile_clean_files';
2039 my ($coms, $vars, $rules) =
2040 &file_contents_internal (1, "$libdir/am/compile.am",
2041 new Automake::Location,
2042 ('DEFAULT_INCLUDES' => $default_includes,
2043 'MOSTLYRMS' => join ("\n", @mostly_rms),
2044 'DISTRMS' => join ("\n", @dist_rms)));
2045 $output_vars .= $vars;
2046 $output_rules .= "$coms$rules";
2048 # Check for automatic de-ANSI-fication.
2049 if (option 'ansi2knr')
2051 my ($ansi2knr_filename, $ansi2knr_where) = @{option 'ansi2knr'};
2052 my $ansi2knr_dir = '';
2054 require_variables ($ansi2knr_where, "option `ansi2knr' is used",
2055 TRUE, "ANSI2KNR", "U");
2057 # topdir is where ansi2knr should be.
2058 if ($ansi2knr_filename eq 'ansi2knr')
2060 # Only require ansi2knr files if they should appear in
2062 require_file ($ansi2knr_where, FOREIGN,
2063 'ansi2knr.c', 'ansi2knr.1');
2065 # ansi2knr needs to be built before subdirs, so unshift it.
2066 unshift (@all, '$(ANSI2KNR)');
2070 $ansi2knr_dir = dirname ($ansi2knr_filename);
2073 $output_rules .= &file_contents ('ansi2knr',
2074 new Automake::Location,
2075 'ANSI2KNR-DIR' => $ansi2knr_dir);
2082 # Handle libtool rules.
2085 return unless var ('LIBTOOL');
2087 # Libtool requires some files, but only at top level.
2088 require_conf_file_with_macro (TRUE, 'LIBTOOL', FOREIGN, @libtool_files)
2089 if $relative_dir eq '.';
2092 foreach my $item (sort keys %libtool_clean_directories)
2094 my $dir = ($item eq '.') ? '' : "$item/";
2095 # .libs is for Unix, _libs for DOS.
2096 push (@libtool_rms, "\t-rm -rf ${dir}.libs ${dir}_libs");
2099 # Output the libtool compilation rules.
2100 $output_rules .= &file_contents ('libtool',
2101 new Automake::Location,
2102 LTRMS => join ("\n", @libtool_rms));
2105 # handle_programs ()
2106 # ------------------
2107 # Handle C programs.
2110 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2111 'bin', 'sbin', 'libexec', 'pkglib',
2113 return if ! @proglist;
2115 my $seen_global_libobjs =
2116 var ('LDADD') && &handle_lib_objects ('', 'LDADD');
2118 foreach my $pair (@proglist)
2120 my ($where, $one_file) = @$pair;
2122 my $seen_libobjs = 0;
2123 my $obj = &get_object_extension ($one_file);
2125 # Strip any $(EXEEXT) suffix the user might have added, or this
2126 # will confuse &handle_source_transform and &check_canonical_spelling.
2127 # We'll add $(EXEEXT) back later anyway.
2128 $one_file =~ s/\$\(EXEEXT\)$//;
2130 # Canonicalize names and check for misspellings.
2131 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2132 '_SOURCES', '_OBJECTS',
2135 $where->push_context ("while processing program `$one_file'");
2136 $where->set (INTERNAL->get);
2138 my $linker = &handle_source_transform ($xname, $one_file, $obj, $where);
2140 if (var ($xname . "_LDADD"))
2142 $seen_libobjs = &handle_lib_objects ($xname, $xname . '_LDADD');
2146 # User didn't define prog_LDADD override. So do it.
2147 &define_variable ($xname . '_LDADD', '$(LDADD)', $where);
2149 # This does a bit too much work. But we need it to
2150 # generate _DEPENDENCIES when appropriate.
2153 $seen_libobjs = &handle_lib_objects ($xname, 'LDADD');
2157 reject_var ($xname . '_LIBADD',
2158 "use `${xname}_LDADD', not `${xname}_LIBADD'");
2160 set_seen ($xname . '_DEPENDENCIES');
2161 set_seen ($xname . '_LDFLAGS');
2163 # Determine program to use for link.
2165 if (var ($xname . '_LINK'))
2167 $xlink = $xname . '_LINK';
2171 $xlink = $linker ? $linker : 'LINK';
2174 # If the resulting program lies into a subdirectory,
2175 # make sure this directory will exist.
2176 my $dirstamp = require_build_directory_maybe ($one_file);
2178 $output_rules .= &file_contents ('program',
2180 PROGRAM => $one_file,
2183 DIRSTAMP => $dirstamp,
2184 EXEEXT => '$(EXEEXT)');
2186 if ($seen_libobjs || $seen_global_libobjs)
2188 if (var ($xname . '_LDADD'))
2190 &check_libobjs_sources ($xname, $xname . '_LDADD');
2192 elsif (var ('LDADD'))
2194 &check_libobjs_sources ($xname, 'LDADD');
2201 # handle_libraries ()
2202 # -------------------
2204 sub handle_libraries
2206 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2207 'lib', 'pkglib', 'noinst', 'check');
2208 return if ! @liblist;
2210 my @prefix = am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2215 my $var = rvar ($prefix[0] . '_LIBRARIES');
2216 $var->requires_variables ('library used', 'RANLIB');
2219 foreach my $pair (@liblist)
2221 my ($where, $onelib) = @$pair;
2223 my $seen_libobjs = 0;
2224 # Check that the library fits the standard naming convention.
2225 if (basename ($onelib) !~ /^lib.*\.a/)
2227 error $where, "`$onelib' is not a standard library name";
2230 $where->push_context ("while processing library `$onelib'");
2231 $where->set (INTERNAL->get);
2233 my $obj = &get_object_extension ($onelib);
2235 # Canonicalize names and check for misspellings.
2236 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2237 '_OBJECTS', '_DEPENDENCIES',
2240 if (! var ($xlib . '_AR'))
2242 &define_variable ($xlib . '_AR', '$(AR) $(ARFLAGS)', $where);
2245 # Generate support for conditional object inclusion in
2247 if (var ($xlib . '_LIBADD'))
2249 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2256 &define_variable ($xlib . "_LIBADD", '', $where);
2259 reject_var ($xlib . '_LDADD',
2260 "use `${xlib}_LIBADD', not `${xlib}_LDADD'");
2262 # Make sure we at look at this.
2263 set_seen ($xlib . '_DEPENDENCIES');
2265 &handle_source_transform ($xlib, $onelib, $obj, $where);
2267 # If the resulting library lies into a subdirectory,
2268 # make sure this directory will exist.
2269 my $dirstamp = require_build_directory_maybe ($onelib);
2271 $output_rules .= &file_contents ('library',
2275 DIRSTAMP => $dirstamp);
2279 if (var ($xlib . '_LIBADD'))
2281 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2288 # handle_ltlibraries ()
2289 # ---------------------
2290 # Handle shared libraries.
2291 sub handle_ltlibraries
2293 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2294 'noinst', 'lib', 'pkglib', 'check');
2295 return if ! @liblist;
2298 my @prefix = am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2303 my $var = rvar ($prefix[0] . '_LTLIBRARIES');
2304 $var->requires_variables ('Libtool library used', 'LIBTOOL');
2307 my %liblocations = (); # Location (in Makefile.am) of each library.
2309 foreach my $key (@prefix)
2311 # Get the installation directory of each library.
2312 (my $dir = $key) =~ s/^nobase_//;
2313 my $var = rvar ($key . '_LTLIBRARIES');
2314 for my $pair ($var->loc_and_value_as_list_recursive ('all'))
2316 my ($where, $lib) = @$pair;
2317 # We reject libraries which are installed in several places,
2318 # because we don't handle this in the rules (think `-rpath').
2320 # However, we allow the same library to be listed many times
2321 # for the same directory. This is for users who need setups
2324 # lib_LTLIBRARIES = libfoo.la
2327 # lib_LTLIBRARIES = libfoo.la
2330 # Actually this will also allow
2331 # lib_LTLIBRARIES = libfoo.la libfoo.la
2332 # Diagnosing this case doesn't seem worth the plain (we'd
2333 # have to fill $instdirs on a per-condition basis, check
2334 # implied conditions, etc.)
2335 if (defined $instdirs{$lib} && $instdirs{$lib} ne $dir)
2337 error ($where, "`$lib' is already going to be installed in "
2338 . "`$instdirs{$lib}'", partial => 1);
2339 error ($liblocations{$lib}, "`$lib' previously declared here");
2343 $instdirs{$lib} = $dir;
2344 $liblocations{$lib} = $where->clone;
2349 foreach my $pair (@liblist)
2351 my ($where, $onelib) = @$pair;
2353 my $seen_libobjs = 0;
2354 my $obj = &get_object_extension ($onelib);
2356 # Canonicalize names and check for misspellings.
2357 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2358 '_SOURCES', '_OBJECTS',
2361 # Check that the library fits the standard naming convention.
2362 my $libname_rx = "^lib.*\.la";
2363 my $ldvar = var ("${xlib}_LDFLAGS") || var ('LDFLAGS');
2364 if ($ldvar && grep (/-module/, $ldvar->value_as_list_recursive ('all')))
2366 # Relax name checking for libtool modules.
2367 $libname_rx = "\.la";
2369 if (basename ($onelib) !~ /$libname_rx$/)
2371 msg ('error-gnu/warn', $where,
2372 "`$onelib' is not a standard libtool library name");
2375 $where->push_context ("while processing Libtool library `$onelib'");
2376 $where->set (INTERNAL->get);
2378 # Make sure we at look at these.
2379 set_seen ($xlib . '_LDFLAGS');
2380 set_seen ($xlib . '_DEPENDENCIES');
2382 # Generate support for conditional object inclusion in
2384 if (var ($xlib . '_LIBADD'))
2386 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2393 &define_variable ($xlib . "_LIBADD", '', $where);
2396 reject_var ("${xlib}_LDADD",
2397 "use `${xlib}_LIBADD', not `${xlib}_LDADD'");
2400 my $linker = &handle_source_transform ($xlib, $onelib, $obj, $where);
2402 # Determine program to use for link.
2404 if (var ($xlib . '_LINK'))
2406 $xlink = $xlib . '_LINK';
2410 $xlink = $linker ? $linker : 'LINK';
2414 if ($instdirs{$onelib} eq 'EXTRA'
2415 || $instdirs{$onelib} eq 'noinst'
2416 || $instdirs{$onelib} eq 'check')
2418 # It's an EXTRA_ library, so we can't specify -rpath,
2419 # because we don't know where the library will end up.
2420 # The user probably knows, but generally speaking automake
2421 # doesn't -- and in fact configure could decide
2422 # dynamically between two different locations.
2427 $rpath = ('-rpath $(' . $instdirs{$onelib} . 'dir)');
2430 # If the resulting library lies into a subdirectory,
2431 # make sure this directory will exist.
2432 my $dirstamp = require_build_directory_maybe ($onelib);
2434 # Remember to cleanup .libs/ in this directory.
2435 my $dirname = dirname $onelib;
2436 $libtool_clean_directories{$dirname} = 1;
2438 $output_rules .= &file_contents ('ltlibrary',
2440 LTLIBRARY => $onelib,
2441 XLTLIBRARY => $xlib,
2444 DIRSTAMP => $dirstamp);
2447 if (var ($xlib . '_LIBADD'))
2449 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2455 # See if any _SOURCES variable were misspelled.
2458 # It is ok if the user sets this particular variable.
2459 set_seen 'AM_LDFLAGS';
2461 foreach my $var (variables)
2463 my $varname = $var->name;
2464 # A configure variable is always legitimate.
2465 next if exists $configure_vars{$varname};
2468 foreach my $primary ('_SOURCES', '_LIBADD', '_LDADD', '_LDFLAGS',
2471 if ($varname =~ /$primary$/)
2479 for my $cond ($var->conditions->conds)
2481 msg_var 'syntax', $var, "unused variable: `$varname'"
2482 unless $var->rdef ($cond)->seen;
2491 # NOTE we no longer automatically clean SCRIPTS, because it is
2492 # useful to sometimes distribute scripts verbatim. This happens
2493 # e.g. in Automake itself.
2494 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2495 'bin', 'sbin', 'libexec', 'pkgdata',
2502 ## ------------------------ ##
2503 ## Handling Texinfo files. ##
2504 ## ------------------------ ##
2506 # ($OUTFILE, $VFILE, @CLEAN_FILES)
2507 # &scan_texinfo_file ($FILENAME)
2508 # ------------------------------
2509 # $OUTFILE - name of the info file produced by $FILENAME.
2510 # $VFILE - name of the version.texi file used (undef if none).
2511 # @CLEAN_FILES - list of byproducts (indexes etc.)
2512 sub scan_texinfo_file ($)
2514 my ($filename) = @_;
2516 # Some of the following extensions are always created, no matter
2517 # whether indexes are used or not. Other (like cps, fns, ... pgs)
2518 # are only created when they are used. We used to scan $FILENAME
2519 # for their use, but that is not enough: they could be used in
2520 # included files. We can't scan included files because we don't
2521 # know the include path. Therefore we always erase these files, no
2522 # matter whether they are used or not.
2524 # (tmp is only created if an @macro is used and a certain e-TeX
2525 # feature is not available.)
2526 my %clean_suffixes =
2527 map { $_ => 1 } (qw(aux log toc tmp
2533 pg pgs)); # grep 'new.*index' texinfo.tex
2535 my $texi = new Automake::XFile "< $filename";
2536 verb "reading $filename";
2538 my ($outfile, $vfile);
2539 while ($_ = $texi->getline)
2541 if (/^\@setfilename +(\S+)/)
2543 # Honor only the first @setfilename. (It's possible to have
2544 # more occurrences later if the manual shows examples of how
2545 # to use @setfilename...)
2549 if ($outfile =~ /\.(.+)$/ && $1 ne 'info')
2551 error ("$filename:$.",
2552 "output `$outfile' has unrecognized extension");
2556 # A "version.texi" file is actually any file whose name matches
2558 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
2563 # Try to find new or unused indexes.
2565 # Creating a new category of index.
2566 elsif (/^\@def(code)?index (\w+)/)
2568 $clean_suffixes{$2} = 1;
2569 $clean_suffixes{"$2s"} = 1;
2572 # Merging an index into an another.
2573 elsif (/^\@syn(code)?index (\w+) (\w+)/)
2575 delete $clean_suffixes{"$2s"};
2576 $clean_suffixes{"$3s"} = 1;
2583 err_am "`$filename' missing \@setfilename";
2587 my $infobase = basename ($filename);
2588 $infobase =~ s/\.te?xi(nfo)?$//;
2589 return ($outfile, $vfile,
2590 map { "$infobase.$_" } (sort keys %clean_suffixes));
2594 # ($DIRSTAMP, @CLEAN_FILES)
2595 # output_texinfo_build_rules ($SOURCE, $DEST, @DEPENDENCIES)
2596 # ----------------------------------------------------------
2597 # SOURCE - the source Texinfo file
2598 # DEST - the destination Info file
2599 # DEPENDENCIES - known dependencies
2600 sub output_texinfo_build_rules ($$@)
2602 my ($source, $dest, @deps) = @_;
2604 # Split `a.texi' into `a' and `.texi'.
2605 my ($spfx, $ssfx) = ($source =~ /^(.*?)(\.[^.]*)?$/);
2606 my ($dpfx, $dsfx) = ($dest =~ /^(.*?)(\.[^.]*)?$/);
2611 # We can output two kinds of rules: the "generic" rules use Make
2612 # suffix rules and are appropriate when $source and $dest lie in
2613 # the current directory; the "specific" rules are needed in the other
2616 # The former are output only once (this is not really apparent here,
2617 # but just remember that some logic deeper in Automake will not
2618 # output the same rule twice); while the later need to be output for
2619 # each Texinfo source.
2622 my $sdir = dirname $source;
2623 if ($sdir eq '.' && dirname ($dest) eq '.')
2626 $makeinfoflags = '-I $(srcdir)';
2631 $makeinfoflags = "-I $sdir -I \$(srcdir)/$sdir";
2634 # We cannot use a suffix rule to build info files with an empty
2635 # extension. Otherwise we would output a single suffix inference
2636 # rule, with separate dependencies, as in
2640 # foo.info: foo.texi
2642 # which confuse Solaris make. (See the Autoconf manual for
2643 # details.) Therefore we use a specific rule in this case. This
2644 # applies to info files only (dvi and pdf files always have an
2646 my $generic_info = ($generic && $dsfx) ? 1 : 0;
2648 # If the resulting file lie into a subdirectory,
2649 # make sure this directory will exist.
2650 my $dirstamp = require_build_directory_maybe ($dest);
2652 $output_rules .= file_contents ('texibuild',
2653 new Automake::Location,
2654 GENERIC => $generic,
2655 GENERIC_INFO => $generic_info,
2656 SOURCE_SUFFIX => $ssfx,
2657 SOURCE => ($generic ? '$<' : $source),
2658 SOURCE_INFO => ($generic_info ?
2660 SOURCE_REAL => $source,
2661 DEST_PREFIX => $dpfx,
2662 DEST_SUFFIX => $dsfx,
2663 MAKEINFOFLAGS => $makeinfoflags,
2665 DIRSTAMP => $dirstamp);
2666 return ($dirstamp, "$dpfx.dvi", "$dpfx.pdf", "$dpfx.ps", "$dpfx.html");
2671 # handle_texinfo_helper ($info_texinfos)
2672 # --------------------------------------
2673 # Handle all Texinfo source; helper for handle_texinfo.
2674 sub handle_texinfo_helper ($)
2676 my ($info_texinfos) = @_;
2677 my (@infobase, @info_deps_list, @texi_deps);
2682 foreach my $texi ($info_texinfos->value_as_list_recursive ('all'))
2684 my $infobase = $texi;
2685 $infobase =~ s/\.(txi|texinfo|texi)$//;
2687 if ($infobase eq $texi)
2689 # FIXME: report line number.
2690 err_am "texinfo file `$texi' has unrecognized extension";
2694 push @infobase, $infobase;
2696 # If 'version.texi' is referenced by input file, then include
2697 # automatic versioning capability.
2698 my ($out_file, $vtexi, @clean_files) =
2699 scan_texinfo_file ("$relative_dir/$texi")
2701 push (@texi_cleans, @clean_files);
2703 # If the Texinfo source is in a subdirectory, create the
2704 # resulting info in this subdirectory. If it is in the current
2705 # directory, try hard to not prefix "./" because it breaks the
2707 my $outdir = dirname ($texi) . '/';
2708 $outdir = "" if $outdir eq './';
2709 $out_file = $outdir . $out_file;
2711 # If user specified file_TEXINFOS, then use that as explicit
2714 push (@texi_deps, "$outdir$vtexi") if $vtexi;
2716 my $canonical = canonicalize ($infobase);
2717 if (var ($canonical . "_TEXINFOS"))
2719 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
2720 push_dist_common ('$(' . $canonical . '_TEXINFOS)');
2723 my ($dirstamp, @cfiles) =
2724 output_texinfo_build_rules ($texi, $out_file, @texi_deps);
2725 push (@texi_cleans, @cfiles);
2727 push (@info_deps_list, $out_file);
2729 # If a vers*.texi file is needed, emit the rule.
2732 err_am ("`$vtexi', included in `$texi', "
2733 . "also included in `$versions{$vtexi}'")
2734 if defined $versions{$vtexi};
2735 $versions{$vtexi} = $texi;
2737 # We number the stamp-vti files. This is doable since the
2738 # actual names don't matter much. We only number starting
2739 # with the second one, so that the common case looks nice.
2740 my $vti = ($done ? $done : 'vti');
2743 # This is ugly, but it is our historical practice.
2744 if ($config_aux_dir_set_in_configure_in)
2746 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
2751 require_file_with_macro (TRUE, 'info_TEXINFOS',
2752 FOREIGN, 'mdate-sh');
2756 if ($config_aux_dir_set_in_configure_in)
2758 $conf_dir = $config_aux_dir;
2759 $conf_dir .= '/' unless $conf_dir =~ /\/$/;
2763 $conf_dir = '$(srcdir)/';
2765 $output_rules .= file_contents ('texi-vers',
2766 new Automake::Location,
2769 STAMPVTI => "${outdir}stamp-$vti",
2770 VTEXI => "$outdir$vtexi",
2772 DIRSTAMP => $dirstamp);
2776 # Handle location of texinfo.tex.
2777 my $need_texi_file = 0;
2779 if (var ('TEXINFO_TEX'))
2781 # The user defined TEXINFO_TEX so assume he knows what he is
2783 $texinfodir = ('$(srcdir)/'
2784 . dirname (variable_value ('TEXINFO_TEX')));
2786 elsif (option 'cygnus')
2788 $texinfodir = '$(top_srcdir)/../texinfo';
2789 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
2791 elsif ($config_aux_dir_set_in_configure_in)
2793 $texinfodir = $config_aux_dir;
2794 define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex", INTERNAL);
2795 $need_texi_file = 2; # so that we require_conf_file later
2799 $texinfodir = '$(srcdir)';
2800 $need_texi_file = 1;
2802 define_variable ('am__TEXINFO_TEX_DIR', $texinfodir, INTERNAL);
2804 push (@dist_targets, 'dist-info');
2806 if (! option 'no-installinfo')
2808 # Make sure documentation is made and installed first. Use
2809 # $(INFO_DEPS), not 'info', because otherwise recursive makes
2810 # get run twice during "make all".
2811 unshift (@all, '$(INFO_DEPS)');
2814 define_variable ("INFO_DEPS", "@info_deps_list", INTERNAL);
2815 define_files_variable ("DVIS", @infobase, 'dvi', INTERNAL);
2816 define_files_variable ("PDFS", @infobase, 'pdf', INTERNAL);
2817 define_files_variable ("PSS", @infobase, 'ps', INTERNAL);
2818 define_files_variable ("HTMLS", @infobase, 'html', INTERNAL);
2820 # This next isn't strictly needed now -- the places that look here
2821 # could easily be changed to look in info_TEXINFOS. But this is
2822 # probably better, in case noinst_TEXINFOS is ever supported.
2823 define_variable ("TEXINFOS", variable_value ('info_TEXINFOS'), INTERNAL);
2825 # Do some error checking. Note that this file is not required
2826 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
2828 if ($need_texi_file && ! option 'no-texinfo.tex')
2830 if ($need_texi_file > 1)
2832 require_conf_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
2837 require_file_with_macro (TRUE, 'info_TEXINFOS', FOREIGN,
2842 return makefile_wrap ("", "\t ", @texi_cleans);
2848 # Handle all Texinfo source.
2849 sub handle_texinfo ()
2851 reject_var 'TEXINFOS', "`TEXINFOS' is an anachronism; use `info_TEXINFOS'";
2852 # FIXME: I think this is an obsolete future feature name.
2853 reject_var 'html_TEXINFOS', "HTML generation not yet supported";
2855 my $info_texinfos = var ('info_TEXINFOS');
2859 $texiclean = handle_texinfo_helper ($info_texinfos);
2861 $output_rules .= file_contents ('texinfos',
2862 new Automake::Location,
2863 TEXICLEAN => $texiclean,
2864 'LOCAL-TEXIS' => !!$info_texinfos);
2868 # Handle any man pages.
2869 sub handle_man_pages
2871 reject_var 'MANS', "`MANS' is an anachronism; use `man_MANS'";
2873 # Find all the sections in use. We do this by first looking for
2874 # "standard" sections, and then looking for any additional
2875 # sections used in man_MANS.
2876 my (%sections, %vlist);
2877 # We handle nodist_ for uniformity. man pages aren't distributed
2878 # by default so it isn't actually very important.
2879 foreach my $pfx ('', 'dist_', 'nodist_')
2881 # Add more sections as needed.
2882 foreach my $section ('0'..'9', 'n', 'l')
2884 my $varname = $pfx . 'man' . $section . '_MANS';
2887 $sections{$section} = 1;
2888 $varname = '$(' . $varname . ')';
2889 $vlist{$varname} = 1;
2891 &push_dist_common ($varname)
2896 my $varname = $pfx . 'man_MANS';
2897 my $var = var ($varname);
2900 foreach ($var->value_as_list_recursive ('all'))
2902 # A page like `foo.1c' goes into man1dir.
2903 if (/\.([0-9a-z])([a-z]*)$/)
2909 $varname = '$(' . $varname . ')';
2910 $vlist{$varname} = 1;
2911 &push_dist_common ($varname)
2916 return unless %sections;
2918 # Now for each section, generate an install and uninstall rule.
2919 # Sort sections so output is deterministic.
2920 foreach my $section (sort keys %sections)
2922 $output_rules .= &file_contents ('mans',
2923 new Automake::Location,
2924 SECTION => $section);
2927 my @mans = sort keys %vlist;
2928 $output_vars .= file_contents ('mans-vars',
2929 new Automake::Location,
2932 push (@all, '$(MANS)')
2933 unless option 'no-installman';
2936 # Handle DATA variables.
2939 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
2940 'data', 'sysconf', 'sharedstate', 'localstate',
2941 'pkgdata', 'lisp', 'noinst', 'check');
2949 if (var ('SUBDIRS'))
2951 $output_rules .= ("tags-recursive:\n"
2952 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
2953 # Never fail here if a subdir fails; it
2955 . "\t test \"\$\$subdir\" = . || (cd \$\$subdir"
2956 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
2958 push (@tag_deps, 'tags-recursive');
2959 &depend ('.PHONY', 'tags-recursive');
2961 $output_rules .= ("ctags-recursive:\n"
2962 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
2963 # Never fail here if a subdir fails; it
2965 . "\t test \"\$\$subdir\" = . || (cd \$\$subdir"
2966 . " && \$(MAKE) \$(AM_MAKEFLAGS) ctags); \\\n"
2968 push (@ctag_deps, 'ctags-recursive');
2969 &depend ('.PHONY', 'ctags-recursive');
2972 if (&saw_sources_p (1)
2973 || var ('ETAGS_ARGS')
2977 foreach my $spec (@config_headers)
2979 my ($out, @ins) = split_config_file_spec ($spec);
2980 foreach my $in (@ins)
2982 # If the config header source is in this directory,
2984 push @config, basename ($in)
2985 if $relative_dir eq dirname ($in);
2988 $output_rules .= &file_contents ('tags',
2989 new Automake::Location,
2990 CONFIG => "@config",
2991 TAGSDIRS => "@tag_deps",
2992 CTAGSDIRS => "@ctag_deps");
2994 set_seen 'TAGS_DEPENDENCIES';
2996 elsif (reject_var ('TAGS_DEPENDENCIES',
2997 "doesn't make sense to define `TAGS_DEPENDENCIES'"
2998 . "without\nsources or `ETAGS_ARGS'"))
3003 # Every Makefile must define some sort of TAGS rule.
3004 # Otherwise, it would be possible for a top-level "make TAGS"
3005 # to fail because some subdirectory failed.
3006 $output_rules .= "tags: TAGS\nTAGS:\n\n";
3008 $output_rules .= "ctags: CTAGS\nCTAGS:\n\n";
3012 # Handle multilib support.
3015 if ($seen_multilib && $relative_dir eq '.')
3017 $output_rules .= &file_contents ('multilib', new Automake::Location);
3018 push (@all, 'all-multi');
3024 # &for_dist_common ($A, $B)
3025 # -------------------------
3026 # Subroutine for &handle_dist: sort files to dist.
3028 # We put README first because it then becomes easier to make a
3029 # Usenet-compliant shar file (in these, README must be first).
3031 # FIXME: do more ordering of files here.
3044 # handle_dist ($MAKEFILE)
3045 # -----------------------
3046 # Handle 'dist' target.
3049 my ($makefile) = @_;
3051 # `make dist' isn't used in a Cygnus-style tree.
3052 # Omit the rules so that people don't try to use them.
3053 return if option 'cygnus';
3055 # At least one of the archive formats must be enabled.
3056 if ($relative_dir eq '.')
3058 my $archive_defined = option 'no-dist-gzip' ? 0 : 1;
3059 $archive_defined ||=
3060 grep { option "dist-$_" } ('shar', 'zip', 'tarZ', 'bzip2');
3061 error (option 'no-dist-gzip',
3062 "no-dist-gzip specified but no dist-* specified, "
3063 . "at least one archive format must be enabled")
3064 unless $archive_defined;
3067 # Look for common files that should be included in distribution.
3068 # If the aux dir is set, and it does not have a Makefile.am, then
3069 # we check for these files there as well.
3072 if ($relative_dir eq '.'
3073 && $config_aux_dir_set_in_configure_in)
3075 ($auxdir = $config_aux_dir) =~ s,^\$\(top_srcdir\)/,,;
3076 if (! &is_make_dir ($auxdir))
3081 foreach my $cfile (@common_files)
3083 if (-f ($relative_dir . "/" . $cfile)
3084 # The file might be absent, but if it can be built it's ok.
3087 &push_dist_common ($cfile);
3090 # Don't use `elsif' here because a file might meaningfully
3091 # appear in both directories.
3092 if ($check_aux && -f ($auxdir . '/' . $cfile))
3094 &push_dist_common ($auxdir . '/' . $cfile);
3098 # We might copy elements from $configure_dist_common to
3099 # %dist_common if we think we need to. If the file appears in our
3100 # directory, we would have discovered it already, so we don't
3101 # check that. But if the file is in a subdir without a Makefile,
3102 # we want to distribute it here if we are doing `.'. Ugly!
3103 if ($relative_dir eq '.')
3105 foreach my $file (split (' ' , $configure_dist_common))
3107 push_dist_common ($file)
3108 unless is_make_dir (dirname ($file));
3112 # Files to distributed. Don't use ->value_as_list_recursive
3113 # as it recursively expands `$(dist_pkgdata_DATA)' etc.
3114 my @dist_common = split (' ', rvar ('DIST_COMMON')->variable_value);
3115 @dist_common = uniq (sort for_dist_common (@dist_common));
3116 variable_delete 'DIST_COMMON';
3117 define_pretty_variable ('DIST_COMMON', TRUE, INTERNAL, @dist_common);
3119 # Now that we've processed DIST_COMMON, disallow further attempts
3121 $handle_dist_run = 1;
3123 # Scan EXTRA_DIST to see if we need to distribute anything from a
3124 # subdir. If so, add it to the list. I didn't want to do this
3125 # originally, but there were so many requests that I finally
3127 my $extra_dist = var ('EXTRA_DIST');
3130 # FIXME: This should be fixed to work with conditions. That
3131 # will require only making the entries in %dist_dirs under the
3132 # appropriate condition. This is meaningful if the nature of
3133 # the distribution should depend upon the configure options
3135 foreach ($extra_dist->value_as_list_recursive ('all'))
3138 next unless s,/+[^/]+$,,;
3144 # We have to check DIST_COMMON for extra directories in case the
3145 # user put a source used in AC_OUTPUT into a subdir.
3146 my $topsrcdir = backname ($relative_dir);
3147 foreach (rvar ('DIST_COMMON')->value_as_list_recursive ('all'))
3150 s/\$\(top_srcdir\)/$topsrcdir/;
3152 # Strip any leading `./'.
3154 next unless s,/+[^/]+$,,;
3159 # Rule to check whether a distribution is viable.
3160 my %transform = ('DISTCHECK-HOOK' => !! rule 'distcheck-hook',
3161 'GETTEXT' => $seen_gettext && !$seen_gettext_external);
3163 # Prepend $(distdir) to each directory given.
3164 my %rewritten = map { '$(distdir)/' . "$_" => 1 } keys %dist_dirs;
3165 $transform{'DISTDIRS'} = join (' ', sort keys %rewritten);
3167 # If we have SUBDIRS, create all dist subdirectories and do
3169 my $subdirs = var ('SUBDIRS');
3172 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3173 # to all possible directories, and use it. If DIST_SUBDIRS is
3174 # defined, just use it.
3175 my $dist_subdir_name;
3176 # Note that we check DIST_SUBDIRS first on purpose, so that
3177 # we don't call has_conditional_contents for now reason.
3178 # (In the past one project used so many conditional subdirectories
3179 # that calling has_conditional_contents on SUBDIRS caused
3180 # automake to grow to 150Mb -- this should not happen with
3181 # the current implementation of has_conditional_contents,
3182 # but it's more efficient to avoid the call anyway.)
3183 if (var ('DIST_SUBDIRS'))
3185 $dist_subdir_name = 'DIST_SUBDIRS';
3187 elsif ($subdirs->has_conditional_contents)
3189 $dist_subdir_name = 'DIST_SUBDIRS';
3190 define_pretty_variable
3191 ('DIST_SUBDIRS', TRUE, INTERNAL,
3192 uniq ($subdirs->value_as_list_recursive ('all')));
3196 $dist_subdir_name = 'SUBDIRS';
3197 # We always define this because that is what `distclean'
3199 define_pretty_variable ('DIST_SUBDIRS', TRUE, INTERNAL,
3203 $transform{'DIST_SUBDIR_NAME'} = $dist_subdir_name;
3206 # If the target `dist-hook' exists, make sure it is run. This
3207 # allows users to do random weird things to the distribution
3208 # before it is packaged up.
3209 push (@dist_targets, 'dist-hook')
3210 if rule 'dist-hook';
3211 $transform{'DIST-TARGETS'} = join(' ', @dist_targets);
3213 $output_rules .= &file_contents ('distdir',
3214 new Automake::Location,
3219 # &handle_subdirs ()
3220 # ------------------
3221 # Handle subdirectories.
3222 sub handle_subdirs ()
3224 my $subdirs = var ('SUBDIRS');
3228 my @subdirs = $subdirs->value_as_list_recursive ('all');
3230 my $dsubdirs = var ('DIST_SUBDIRS');
3231 @dsubdirs = $dsubdirs->value_as_list_recursive ('all')
3234 # If an `obj/' directory exists, BSD make will enter it before
3235 # reading `Makefile'. Hence the `Makefile' in the current directory
3241 # % cat obj/Makefile
3247 # % pmake # BSD make
3250 msg_var ('portability', 'SUBDIRS',
3251 "naming a subdirectory `obj' causes troubles with BSD make")
3252 if grep ($_ eq 'obj', @subdirs);
3253 msg_var ('portability', 'DIST_SUBDIRS',
3254 "naming a subdirectory `obj' causes troubles with BSD make")
3255 if grep ($_ eq 'obj', @dsubdirs);
3257 # Make sure each directory mentioned in SUBDIRS actually exists.
3258 foreach my $dir (@subdirs)
3260 # Skip directories substituted by configure.
3261 next if $dir =~ /^\@.*\@$/;
3263 if (! -d $am_relative_dir . '/' . $dir)
3265 err_var ('SUBDIRS', "required directory $am_relative_dir/$dir "
3266 . "does not exist");
3270 err_var 'SUBDIRS', "directory should not contain `/'"
3274 $output_rules .= &file_contents ('subdirs', new Automake::Location);
3275 rvar ('RECURSIVE_TARGETS')->rdef (TRUE)->{'pretty'} = VAR_SORTED; # Gross!
3279 # ($REGEN, @DEPENDENCIES)
3282 # If aclocal.m4 creation is automated, return the list of its dependencies.
3283 sub scan_aclocal_m4 ()
3285 my $regen_aclocal = 0;
3287 set_seen 'CONFIG_STATUS_DEPENDENCIES';
3288 set_seen 'CONFIGURE_DEPENDENCIES';
3290 if (-f 'aclocal.m4')
3292 &push_dist_common ('aclocal.m4')
3293 if $relative_dir eq '.';
3294 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
3296 my $aclocal = new Automake::XFile "< aclocal.m4";
3297 my $line = $aclocal->getline;
3298 $regen_aclocal = $line =~ 'generated automatically by aclocal';
3303 if (set_seen ('ACLOCAL_M4_SOURCES'))
3305 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
3306 msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
3307 "`ACLOCAL_M4_SOURCES' is obsolete.\n"
3308 . "It should be safe to simply remove it.");
3311 # Note that it might be possible that aclocal.m4 doesn't exist but
3312 # should be auto-generated. This case probably isn't very
3315 return ($regen_aclocal, @ac_deps);
3320 # &rewrite_inputs_into_dependencies ($ADD_SRCDIR, @INPUTS)
3321 # --------------------------------------------------------
3322 # Rewrite a list of input files into a form suitable to put on a
3323 # dependency list. The idea is that if an input file has a directory
3324 # part the same as the current directory, then the directory part is
3325 # simply removed. But if the directory part is different, then
3326 # $(top_srcdir) is prepended. Among other things, this is used to
3327 # generate the dependency list for the output files generated by
3328 # AC_OUTPUT. Consider what the dependencies should look like in this
3330 # AC_OUTPUT(src/out:src/in1:lib/in2)
3331 # The first argument, ADD_SRCDIR, is 1 if $(top_srcdir) should be added.
3332 # If 0 then files that require this addition will simply be ignored.
3333 sub rewrite_inputs_into_dependencies ($@)
3335 my ($add_srcdir, @inputs) = @_;
3338 foreach my $single (@inputs)
3340 if (dirname ($single) eq $relative_dir)
3342 push (@newinputs, basename ($single));
3346 push (@newinputs, ($add_srcdir ? '$(top_srcdir)/' : '') . $single);
3353 # &handle_configure ($LOCAL, $INPUT, @SECONDARY_INPUTS)
3354 # -----------------------------------------------------
3355 # Handle remaking and configure stuff.
3356 # We need the name of the input file, to do proper remaking rules.
3357 sub handle_configure ($$@)
3359 my ($local, $input, @secondary_inputs) = @_;
3361 my $input_base = basename ($input);
3362 my $local_base = basename ($local);
3364 my $amfile = $input_base . '.am';
3365 # We know we can always add '.in' because it really should be an
3366 # error if the .in was missing originally.
3367 my $infile = '$(srcdir)/' . $input_base . '.in';
3368 my $colon_infile = '';
3369 if ($local ne $input || @secondary_inputs)
3371 $colon_infile = ':' . $input . '.in';
3373 $colon_infile .= ':' . join (':', @secondary_inputs)
3374 if @secondary_inputs;
3376 my @rewritten = rewrite_inputs_into_dependencies (1, @secondary_inputs);
3378 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
3381 define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
3384 $output_rules .= file_contents
3386 new Automake::Location,
3387 MAKEFILE => $local_base,
3388 'MAKEFILE-DEPS' => "@rewritten",
3389 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
3390 'MAKEFILE-IN' => $infile,
3391 'MAKEFILE-IN-DEPS' => "@include_stack",
3392 'MAKEFILE-AM' => $amfile,
3393 STRICTNESS => global_option 'cygnus'
3394 ? 'cygnus' : $strictness_name,
3395 'USE-DEPS' => global_option 'no-dependencies'
3396 ? ' --ignore-deps' : '',
3397 'MAKEFILE-AM-SOURCES' => "$input$colon_infile",
3398 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
3399 ACLOCAL_M4_DEPS => "@aclocal_m4_deps");
3401 if ($relative_dir eq '.')
3403 &push_dist_common ('acconfig.h')
3407 # If we have a configure header, require it.
3409 my @distclean_config;
3410 foreach my $spec (@config_headers)
3413 # $CONFIG_H_PATH: config.h from top level.
3414 my ($config_h_path, @ins) = split_config_file_spec ($spec);
3415 my $config_h_dir = dirname ($config_h_path);
3417 # If the header is in the current directory we want to build
3418 # the header here. Otherwise, if we're at the topmost
3419 # directory and the header's directory doesn't have a
3420 # Makefile, then we also want to build the header.
3421 if ($relative_dir eq $config_h_dir
3422 || ($relative_dir eq '.' && ! &is_make_dir ($config_h_dir)))
3424 my ($cn_sans_dir, $stamp_dir);
3425 if ($relative_dir eq $config_h_dir)
3427 $cn_sans_dir = basename ($config_h_path);
3432 $cn_sans_dir = $config_h_path;
3433 if ($config_h_dir eq '.')
3439 $stamp_dir = $config_h_dir . '/';
3443 # Compute relative path from directory holding output
3444 # header to directory holding input header. FIXME:
3445 # doesn't handle case where we have multiple inputs.
3447 if (dirname ($ins[0]) eq $relative_dir)
3449 $in0_sans_dir = basename ($ins[0]);
3453 $in0_sans_dir = backname ($relative_dir) . '/' . $ins[0];
3456 require_file ($config_header_location, FOREIGN, $in0_sans_dir);
3458 # Header defined and in this directory.
3460 if (-f $config_h_path . '.top')
3462 push (@files, "$cn_sans_dir.top");
3464 if (-f $config_h_path . '.bot')
3466 push (@files, "$cn_sans_dir.bot");
3469 push_dist_common (@files);
3471 # For now, acconfig.h can only appear in the top srcdir.
3472 if (-f 'acconfig.h')
3474 push (@files, '$(top_srcdir)/acconfig.h');
3477 my $stamp = "${stamp_dir}stamp-h${hdr_index}";
3479 file_contents ('remake-hdr',
3480 new Automake::Location,
3482 CONFIG_H => $cn_sans_dir,
3483 CONFIG_HIN => $in0_sans_dir,
3484 CONFIG_H_PATH => $config_h_path,
3487 push @distclean_config, $cn_sans_dir, $stamp;
3491 $output_rules .= file_contents ('clean-hdr',
3492 new Automake::Location,
3493 FILES => "@distclean_config")
3494 if @distclean_config;
3496 # Set location of mkinstalldirs.
3497 define_variable ('mkinstalldirs',
3498 '$(SHELL) ' . $config_aux_dir . '/mkinstalldirs',
3501 reject_var ('CONFIG_HEADER',
3502 "`CONFIG_HEADER' is an anachronism; now determined "
3503 . "automatically\nfrom `$configure_ac'");
3506 foreach my $spec (@config_headers)
3508 my ($out, @ins) = split_config_file_spec ($spec);
3509 # Generate CONFIG_HEADER define.
3510 if ($relative_dir eq dirname ($out))
3512 push @config_h, basename ($out);
3516 push @config_h, "\$(top_builddir)/$out";
3519 define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
3522 # Now look for other files in this directory which must be remade
3523 # by config.status, and generate rules for them.
3524 my @actual_other_files = ();
3525 foreach my $lfile (@other_input_files)
3529 if ($lfile =~ /^([^:]*):(.*)$/)
3531 # This is the ":" syntax of AC_OUTPUT.
3533 @inputs = split (':', $2);
3539 @inputs = $file . '.in';
3542 # Automake files should not be stored in here, but in %MAKE_LIST.
3543 prog_error "$lfile in \@other_input_files"
3544 if -f $file . '.am';
3546 my $local = basename ($file);
3548 # Make sure the dist directory for each input file is created.
3549 # We only have to do this at the topmost level though. This
3550 # is a bit ugly but it easier than spreading out the logic,
3551 # especially in cases like AC_OUTPUT(foo/out:bar/in), where
3552 # there is no Makefile in bar/.
3553 if ($relative_dir eq '.')
3557 $dist_dirs{dirname ($_)} = 1;
3561 # We skip files that aren't in this directory. However, if
3562 # the file's directory does not have a Makefile, and we are
3563 # currently doing `.', then we create a rule to rebuild the
3564 # file in the subdir.
3565 my $fd = dirname ($file);
3566 if ($fd ne $relative_dir)
3568 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
3578 my @rewritten_inputs = rewrite_inputs_into_dependencies (1, @inputs);
3579 $output_rules .= ($local . ': '
3580 . '$(top_builddir)/config.status '
3581 . "@rewritten_inputs\n"
3583 . 'cd $(top_builddir) && '
3584 . '$(SHELL) ./config.status '
3585 . ($relative_dir eq '.' ? '' : '$(subdir)/')
3588 push (@actual_other_files, $local);
3590 # Require all input files.
3591 require_file ($ac_config_files_location, FOREIGN,
3592 rewrite_inputs_into_dependencies (0, @inputs));
3595 foreach my $struct (@config_links)
3597 my ($spec, $where) = @$struct;
3598 my ($link, $file) = split /:/, $spec;
3600 # We skip links that aren't in this directory. However, if
3601 # the link's directory does not have a Makefile, and we are
3602 # currently doing `.', then we add the link to CONFIG_CLEAN_FILES
3603 # in `.'s Makefile.in.
3604 my $local = basename ($link);
3605 my $fd = dirname ($link);
3606 if ($fd ne $relative_dir)
3608 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
3618 push @actual_other_files, $local if $local;
3620 $local = basename ($file);
3621 $fd = dirname ($file);
3623 # Make sure the dist directory for each input file is created.
3624 # We only have to do this at the topmost level though.
3625 if ($relative_dir eq '.')
3627 $dist_dirs{$fd} = 1;
3630 # We skip files that aren't in this directory. However, if
3631 # the files's directory does not have a Makefile, and we are
3632 # currently doing `.', then we require the file from `.'.
3633 if ($fd ne $relative_dir)
3635 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
3645 # Require all input files.
3646 require_file ($where, FOREIGN, $local);
3649 # These files get removed by "make distclean".
3650 define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
3651 @actual_other_files);
3657 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
3658 'oldinclude', 'pkginclude',
3662 next unless $_->[1] =~ /\..*$/;
3663 &saw_extension ($&);
3669 return if ! $seen_gettext || $relative_dir ne '.';
3671 my $subdirs = var 'SUBDIRS';
3675 err_ac "AM_GNU_GETTEXT used but SUBDIRS not defined";
3679 # Perform some sanity checks to help users get the right setup.
3680 # We disable these tests when po/ doesn't exist in order not to disallow
3681 # unusual gettext setups.
3686 # | 1) If a package doesn't have a directory po/ at top level, it
3687 # | will likely have multiple po/ directories in subpackages.
3689 # | 2) It is useful to warn for the absence of intl/ if AM_GNU_GETTEXT
3690 # | is used without 'external'. It is also useful to warn for the
3691 # | presence of intl/ if AM_GNU_GETTEXT([external]) is used. Both
3692 # | warnings apply only to the usual layout of packages, therefore
3693 # | they should both be disabled if no po/ directory is found at
3698 my @subdirs = $subdirs->value_as_list_recursive ('all');
3700 msg_var ('syntax', $subdirs,
3701 "AM_GNU_GETTEXT used but `po' not in SUBDIRS")
3702 if ! grep ($_ eq 'po', @subdirs);
3704 # intl/ is not required when AM_GNU_GETTEXT is called with
3705 # the `external' option.
3706 msg_var ('syntax', $subdirs,
3707 "AM_GNU_GETTEXT used but `intl' not in SUBDIRS")
3708 if (! $seen_gettext_external
3709 && ! grep ($_ eq 'intl', @subdirs));
3711 # intl/ should not be used with AM_GNU_GETTEXT([external])
3712 msg_var ('syntax', $subdirs,
3713 "`intl' should not be in SUBDIRS when "
3714 . "AM_GNU_GETTEXT([external]) is used")
3715 if ($seen_gettext_external && grep ($_ eq 'intl', @subdirs));
3718 require_file ($ac_gettext_location, GNU, 'ABOUT-NLS');
3721 # Handle footer elements.
3724 # NOTE don't use define_pretty_variable here, because
3725 # $contents{...} is already defined.
3726 $output_vars .= 'SOURCES = ' . variable_value ('SOURCES') . "\n\n"
3727 if variable_value ('SOURCES');
3729 reject_rule ('.SUFFIXES',
3730 "use variable `SUFFIXES', not target `.SUFFIXES'");
3732 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
3733 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
3734 # anything else, by sticking it right after the default: target.
3735 $output_header .= ".SUFFIXES:\n";
3736 my $suffixes = var 'SUFFIXES';
3737 my @suffixes = Automake::Rule::suffixes;
3738 if (@suffixes || $suffixes)
3740 # Make sure SUFFIXES has unique elements. Sort them to ensure
3741 # the output remains consistent. However, $(SUFFIXES) is
3742 # always at the start of the list, unsorted. This is done
3743 # because make will choose rules depending on the ordering of
3744 # suffixes, and this lets the user have some control. Push
3745 # actual suffixes, and not $(SUFFIXES). Some versions of make
3746 # do not like variable substitutions on the .SUFFIXES line.
3747 my @user_suffixes = ($suffixes
3748 ? $suffixes->value_as_list_recursive ('all')
3751 my %suffixes = map { $_ => 1 } @suffixes;
3752 delete @suffixes{@user_suffixes};
3754 $output_header .= (".SUFFIXES: "
3755 . join (' ', @user_suffixes, sort keys %suffixes)
3759 $output_trailer .= file_contents ('footer', new Automake::Location);
3763 # Generate `make install' rules.
3764 sub handle_install ()
3766 $output_rules .= &file_contents
3768 new Automake::Location,
3769 maybe_BUILT_SOURCES => (set_seen ('BUILT_SOURCES')
3770 ? (" \$(BUILT_SOURCES)\n"
3771 . "\t\$(MAKE) \$(AM_MAKEFLAGS)")
3773 'installdirs-local' => (rule 'installdirs-local'
3774 ? ' installdirs-local' : ''),
3775 am__installdirs => variable_value ('am__installdirs') || '');
3779 # Deal with all and all-am.
3782 my ($makefile) = @_;
3786 # Put this at the beginning for the sake of non-GNU makes. This
3787 # is still wrong if these makes can run parallel jobs. But it is
3789 unshift (@all, basename ($makefile));
3791 foreach my $spec (@config_headers)
3793 my ($out, @ins) = split_config_file_spec ($spec);
3794 push (@all, basename ($out))
3795 if dirname ($out) eq $relative_dir;
3798 # Install `all' hooks.
3799 if (rule "all-local")
3801 push (@all, "all-local");
3802 &depend ('.PHONY', "all-local");
3805 &pretty_print_rule ("all-am:", "\t\t", @all);
3806 &depend ('.PHONY', 'all-am', 'all');
3811 my @local_headers = ();
3812 push @local_headers, '$(BUILT_SOURCES)'
3813 if var ('BUILT_SOURCES');
3814 foreach my $spec (@config_headers)
3816 my ($out, @ins) = split_config_file_spec ($spec);
3817 push @local_headers, basename ($out)
3818 if dirname ($out) eq $relative_dir;
3823 # We need to make sure config.h is built before we recurse.
3824 # We also want to make sure that built sources are built
3825 # before any ordinary `all' targets are run. We can't do this
3826 # by changing the order of dependencies to the "all" because
3827 # that breaks when using parallel makes. Instead we handle
3828 # things explicitly.
3829 $output_all .= ("all: @local_headers"
3831 . '$(MAKE) $(AM_MAKEFLAGS) '
3832 . (var ('SUBDIRS') ? 'all-recursive' : 'all-am')
3837 $output_all .= "all: " . (var ('SUBDIRS')
3838 ? 'all-recursive' : 'all-am') . "\n\n";
3843 # &do_check_merge_target ()
3844 # -------------------------
3845 # Handle check merge target specially.
3846 sub do_check_merge_target ()
3848 if (rule 'check-local')
3850 # User defined local form of target. So include it.
3851 push @check_tests, 'check-local';
3852 depend '.PHONY', 'check-local';
3855 # In --cygnus mode, check doesn't depend on all.
3856 if (option 'cygnus')
3858 # Just run the local check rules.
3859 pretty_print_rule ('check-am:', "\t\t", @check);
3863 # The check target must depend on the local equivalent of
3864 # `all', to ensure all the primary targets are built. Then it
3865 # must build the local check rules.
3866 $output_rules .= "check-am: all-am\n";
3867 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3871 pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3875 depend '.PHONY', 'check', 'check-am';
3876 # Handle recursion. We have to honor BUILT_SOURCES like for `all:'.
3877 $output_rules .= ("check: "
3878 . (var ('BUILT_SOURCES')
3879 ? "\$(BUILT_SOURCES)\n\t\$(MAKE) \$(AM_MAKEFLAGS) "
3881 . (var ('SUBDIRS') ? 'check-recursive' : 'check-am')
3885 # Handle all 'clean' targets.
3888 # Clean the files listed in user variables if they exist.
3889 $clean_files{'$(MOSTLYCLEANFILES)'} = MOSTLY_CLEAN
3890 if var ('MOSTLYCLEANFILES');
3891 $clean_files{'$(CLEANFILES)'} = CLEAN
3892 if var ('CLEANFILES');
3893 $clean_files{'$(DISTCLEANFILES)'} = DIST_CLEAN
3894 if var ('DISTCLEANFILES');
3895 $clean_files{'$(MAINTAINERCLEANFILES)'} = MAINTAINER_CLEAN
3896 if var ('MAINTAINERCLEANFILES');
3898 # Built sources are automatically removed by maintainer-clean.
3899 $clean_files{'$(BUILT_SOURCES)'} = MAINTAINER_CLEAN
3900 if var ('BUILT_SOURCES');
3902 # Compute a list of "rm"s to run for each target.
3903 my %rms = (MOSTLY_CLEAN, [],
3906 MAINTAINER_CLEAN, []);
3908 foreach my $file (keys %clean_files)
3910 my $when = $clean_files{$file};
3911 prog_error 'invalid entry in %clean_files'
3912 unless exists $rms{$when};
3914 my $rm = "rm -f $file";
3915 # If file is a variable, make sure when don't call `rm -f' without args.
3916 $rm ="test -z \"$file\" || $rm"
3917 if ($file =~ /^\s*\$(\(.*\)|\{.*\})\s*$/);
3919 push @{$rms{$when}}, "\t-$rm\n";
3922 $output_rules .= &file_contents
3924 new Automake::Location,
3925 MOSTLYCLEAN_RMS => join ('', @{$rms{&MOSTLY_CLEAN}}),
3926 CLEAN_RMS => join ('', @{$rms{&CLEAN}}),
3927 DISTCLEAN_RMS => join ('', @{$rms{&DIST_CLEAN}}),
3928 MAINTAINER_CLEAN_RMS => join ('', @{$rms{&MAINTAINER_CLEAN}}));
3932 # &target_cmp ($A, $B)
3933 # --------------------
3934 # Subroutine for &handle_factored_dependencies to let `.PHONY' be last.
3947 # &handle_factored_dependencies ()
3948 # --------------------------------
3949 # Handle everything related to gathered targets.
3950 sub handle_factored_dependencies
3953 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
3954 'uninstall-exec-local', 'uninstall-exec-hook')
3957 $x =~ s/(data|exec)-//;
3958 reject_rule ($utarg, "use `$x', not `$utarg'");
3961 reject_rule ('install-local',
3962 "use `install-data-local' or `install-exec-local', "
3963 . "not `install-local'");
3965 reject_rule ('install-info-local',
3966 "`install-info-local' target defined but "
3967 . "`no-installinfo' option not in use")
3968 unless option 'no-installinfo';
3970 # Install the -local hooks.
3971 foreach (keys %dependencies)
3973 # Hooks are installed on the -am targets.
3975 if (rule "$_-local")
3977 depend ("$_-am", "$_-local");
3978 depend ('.PHONY', "$_-local");
3982 # Install the -hook hooks.
3983 # FIXME: Why not be as liberal as we are with -local hooks?
3984 foreach ('install-exec', 'install-data', 'uninstall')
3986 if (rule ("$_-hook"))
3988 $actions{"$_-am"} .=
3989 ("\t\@\$(NORMAL_INSTALL)\n"
3990 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) ' . "$_-hook\n");
3994 # All the required targets are phony.
3995 depend ('.PHONY', keys %required_targets);
3997 # Actually output gathered targets.
3998 foreach (sort target_cmp keys %dependencies)
4000 # If there is nothing about this guy, skip it.
4002 unless (@{$dependencies{$_}}
4004 || $required_targets{$_});
4006 # Define gathered targets in undefined conditions.
4007 # FIXME: Right now we must handle .PHONY as an exception,
4008 # because people write things like
4009 # .PHONY: myphonytarget
4010 # to append dependencies. This would not work if Automake
4011 # refrained from defining its own .PHONY target as it does
4012 # with other overridden targets.
4013 my @undefined_conds = (TRUE,);
4017 Automake::Rule::define ($_, 'internal',
4018 RULE_AUTOMAKE, TRUE, INTERNAL);
4020 my @uniq_deps = uniq (sort @{$dependencies{$_}});
4021 foreach my $cond (@undefined_conds)
4023 my $condstr = $cond->subst_string;
4024 &pretty_print_rule ("$condstr$_:", "$condstr\t", @uniq_deps);
4025 $output_rules .= $actions{$_} if defined $actions{$_};
4026 $output_rules .= "\n";
4032 # &handle_tests_dejagnu ()
4033 # ------------------------
4034 sub handle_tests_dejagnu
4036 push (@check_tests, 'check-DEJAGNU');
4037 $output_rules .= file_contents ('dejagnu', new Automake::Location);
4041 # Handle TESTS variable and other checks.
4044 if (option 'dejagnu')
4046 &handle_tests_dejagnu;
4050 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4052 reject_var ($c, "`$c' defined but `dejagnu' not in "
4053 . "`AUTOMAKE_OPTIONS'");
4059 push (@check_tests, 'check-TESTS');
4060 $output_rules .= &file_contents ('check', new Automake::Location);
4064 # Handle Emacs Lisp.
4065 sub handle_emacs_lisp
4067 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
4070 return if ! @elfiles;
4072 # Generate .elc files.
4073 my @elcfiles = map { $_->[1] . 'c' } @elfiles;
4075 define_pretty_variable ('ELCFILES', TRUE, INTERNAL, @elcfiles);
4076 define_pretty_variable ('am__ELFILES', TRUE, INTERNAL,
4077 map { $_->[1] } @elfiles);
4079 # Do not depend on the build rules if ELCFILES is empty.
4080 # This is necessary because overriding ELCFILES= is a documented
4081 # idiom to disable byte-compilation.
4082 if (variable_value ('ELCFILES'))
4084 # It's important that all depends on elc-stamp so that
4085 # all .elc files get recompiled whenever a .el changes.
4086 # It's important that all depends on $(ELCFILES) so that
4087 # we can recover if any of them is deleted.
4088 push (@all, 'elc-stamp', '$(ELCFILES)');
4091 require_variables ($elfiles[0][0], "Emacs Lisp sources seen", TRUE,
4092 'EMACS', 'lispdir');
4093 require_conf_file ($elfiles[0][0], FOREIGN, 'elisp-comp');
4094 &define_variable ('elisp_comp', $config_aux_dir . '/elisp-comp', INTERNAL);
4100 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4102 return if ! @pyfiles;
4104 require_variables ($pyfiles[0][0], "Python sources seen", TRUE, 'PYTHON');
4105 require_conf_file ($pyfiles[0][0], FOREIGN, 'py-compile');
4106 &define_variable ('py_compile', $config_aux_dir . '/py-compile', INTERNAL);
4112 my @sourcelist = &am_install_var ('-candist',
4114 'java', 'noinst', 'check');
4115 return if ! @sourcelist;
4117 my @prefix = am_primary_prefixes ('JAVA', 1,
4118 'java', 'noinst', 'check');
4121 foreach my $curs (@prefix)
4124 if $curs eq 'EXTRA';
4126 err_var "${curs}_JAVA", "multiple _JAVA primaries in use"
4132 push (@all, 'class' . $dir . '.stamp');
4136 # Handle some of the minor options.
4137 sub handle_minor_options
4139 if (option 'readme-alpha')
4141 if ($relative_dir eq '.')
4143 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
4145 msg ('error-gnits', $package_version_location,
4146 "version `$package_version' doesn't follow " .
4149 if (defined $1 && -f 'README-alpha')
4151 # This means we have an alpha release. See
4152 # GNITS_VERSION_PATTERN for details.
4153 push_dist_common ('README-alpha');
4159 ################################################################
4161 # ($OUTPUT, @INPUTS)
4162 # &split_config_file_spec ($SPEC)
4163 # -------------------------------
4164 # Decode the Autoconf syntax for config files (files, headers, links
4166 sub split_config_file_spec ($)
4169 my ($output, @inputs) = split (/:/, $spec);
4171 push @inputs, "$output.in"
4174 return ($output, @inputs);
4180 # &scan_autoconf_config_files ($CONFIG-FILES)
4181 # -------------------------------------------
4182 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
4184 sub scan_autoconf_config_files ($)
4186 my ($config_files) = @_;
4187 # Look at potential Makefile.am's.
4188 foreach (split ' ', $config_files)
4190 # Must skip empty string for Perl 4.
4191 next if $_ eq "\\" || $_ eq '';
4193 # Handle $local:$input syntax. Note that we ignore
4194 # every input file past the first, though we keep
4195 # those around for later.
4196 my ($local, $input, @rest) = split (/:/);
4203 # FIXME: should be error if .in is missing.
4204 $input =~ s/\.in$//;
4207 if (-f $input . '.am')
4209 # We have a file that automake should generate.
4210 $make_list{$input} = join (':', ($local, @rest));
4214 # We have a file that automake should cause to be
4215 # rebuilt, but shouldn't generate itself.
4216 push (@other_input_files, $_);
4222 # &scan_autoconf_traces ($FILENAME)
4223 # ---------------------------------
4224 sub scan_autoconf_traces ($)
4226 my ($filename) = @_;
4228 # Macros to trace, with their minimal number of arguments.
4230 AC_CANONICAL_HOST => 0,
4231 AC_CANONICAL_SYSTEM => 0,
4232 AC_CONFIG_AUX_DIR => 1,
4233 AC_CONFIG_FILES => 1,
4234 AC_CONFIG_HEADERS => 1,
4235 AC_CONFIG_LINKS => 1,
4239 AM_AUTOMAKE_VERSION => 1,
4240 AM_CONDITIONAL => 2,
4241 AM_ENABLE_MULTILIB => 0,
4242 AM_GNU_GETTEXT => 0,
4243 AM_INIT_AUTOMAKE => 0,
4244 AM_MAINTAINER_MODE => 0,
4245 AM_PROG_CC_C_O => 0,
4250 my $traces = ($ENV{AUTOCONF} || 'autoconf') . " ";
4252 # Use a separator unlikely to be used, not `:', the default, which
4253 # has a precise meaning for AC_CONFIG_FILES and so on.
4254 $traces .= join (' ',
4255 map { "--trace=$_" . ':\$f:\$l::\$n::\${::}%' }
4258 my $tracefh = new Automake::XFile ("$traces $filename |");
4259 verb "reading $traces";
4261 while ($_ = $tracefh->getline)
4264 my ($here, @args) = split /::/;
4265 my $where = new Automake::Location $here;
4266 my $macro = $args[0];
4268 prog_error ("unrequested trace `$macro'")
4269 unless exists $traced{$macro};
4271 # Skip and diagnose malformed calls.
4272 if ($#args < $traced{$macro})
4274 msg ('syntax', $where, "not enough arguments for $macro");
4278 # Alphabetical ordering please.
4279 if ($macro eq 'AC_CANONICAL_HOST')
4281 if (! $seen_canonical)
4283 $seen_canonical = AC_CANONICAL_HOST;
4284 $canonical_location = $where;
4287 elsif ($macro eq 'AC_CANONICAL_SYSTEM')
4289 $seen_canonical = AC_CANONICAL_SYSTEM;
4290 $canonical_location = $where;
4292 elsif ($macro eq 'AC_CONFIG_AUX_DIR')
4294 @config_aux_path = $args[1];
4295 $config_aux_dir_set_in_configure_in = 1;
4297 elsif ($macro eq 'AC_CONFIG_FILES')
4299 # Look at potential Makefile.am's.
4300 $ac_config_files_location = $where;
4301 &scan_autoconf_config_files ($args[1]);
4303 elsif ($macro eq 'AC_CONFIG_HEADERS')
4305 $config_header_location = $where;
4306 push @config_headers, split (' ', $args[1]);
4308 elsif ($macro eq 'AC_CONFIG_LINKS')
4310 push @config_links, map { [$_, $where] } split (' ', $args[1]);
4312 elsif ($macro eq 'AC_INIT')
4314 if (defined $args[2])
4316 $package_version = $args[2];
4317 $package_version_location = $where;
4320 elsif ($macro eq 'AC_LIBSOURCE')
4322 $libsources{$args[1]} = $here;
4324 elsif ($macro eq 'AC_SUBST')
4326 # Just check for alphanumeric in AC_SUBST. If you do
4327 # AC_SUBST(5), then too bad.
4328 $configure_vars{$args[1]} = $where
4329 if $args[1] =~ /^\w+$/;
4331 elsif ($macro eq 'AM_AUTOMAKE_VERSION')
4334 "version mismatch. This is Automake $VERSION,\n" .
4335 "but the definition used by this AM_INIT_AUTOMAKE\n" .
4336 "comes from Automake $args[1]. You should recreate\n" .
4337 "aclocal.m4 with aclocal and run automake again.\n")
4338 if $VERSION ne $args[1];
4340 $seen_automake_version = 1;
4342 elsif ($macro eq 'AM_CONDITIONAL')
4344 $configure_cond{$args[1]} = $where;
4346 elsif ($macro eq 'AM_ENABLE_MULTILIB')
4348 $seen_multilib = $where;
4350 elsif ($macro eq 'AM_GNU_GETTEXT')
4352 $seen_gettext = $where;
4353 $ac_gettext_location = $where;
4354 $seen_gettext_external = grep ($_ eq 'external', @args);
4356 elsif ($macro eq 'AM_INIT_AUTOMAKE')
4358 $seen_init_automake = $where;
4359 if (defined $args[2])
4361 $package_version = $args[2];
4362 $package_version_location = $where;
4364 elsif (defined $args[1])
4367 if (process_global_option_list ($where,
4368 split (' ', $args[1])));
4371 elsif ($macro eq 'AM_MAINTAINER_MODE')
4373 $seen_maint_mode = $where;
4375 elsif ($macro eq 'AM_PROG_CC_C_O')
4377 $seen_cc_c_o = $where;
4379 elsif ($macro eq 'm4_include' || $macro eq 'm4_sinclude')
4381 # Some modified versions of Autoconf don't use
4382 # forzen files. Consequently it's possible that we see all
4383 # m4_include's performed during Autoconf's startup.
4384 # Obviously we don't want to distribute Autoconf's files
4385 # so we skip absolute filenames here.
4386 push @configure_deps, '$(top_srcdir)/' . $args[1]
4387 unless $here =~ m,^(?:\w:)?[\\/],;
4388 # Keep track of the greatest timestamp.
4391 my $mtime = mtime $args[1];
4392 $configure_deps_greatest_timestamp = $mtime
4393 if $mtime > $configure_deps_greatest_timestamp;
4400 # &scan_autoconf_files ()
4401 # -----------------------
4402 # Check whether we use `configure.ac' or `configure.in'.
4403 # Scan it (and possibly `aclocal.m4') for interesting things.
4404 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
4405 sub scan_autoconf_files ()
4407 # Reinitialize libsources here. This isn't really necessary,
4408 # since we currently assume there is only one configure.ac. But
4409 # that won't always be the case.
4412 # Keep track of the youngest configure dependency.
4413 $configure_deps_greatest_timestamp = mtime $configure_ac;
4414 if (-e 'aclocal.m4')
4416 my $mtime = mtime 'aclocal.m4';
4417 $configure_deps_greatest_timestamp = $mtime
4418 if $mtime > $configure_deps_greatest_timestamp;
4421 scan_autoconf_traces ($configure_ac);
4423 # Set input and output files if not specified by user.
4426 @input_files = sort keys %make_list;
4427 %output_files = %make_list;
4430 @configure_input_files = sort keys %make_list;
4432 if (! $seen_init_automake)
4434 err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
4435 . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
4436 . "\nthat aclocal.m4 is present in the top-level directory,\n"
4437 . "and that aclocal.m4 was recently regenerated "
4438 . "(using aclocal).");
4442 if (! $seen_automake_version)
4444 if (-f 'aclocal.m4')
4446 error ($seen_init_automake,
4447 "your implementation of AM_INIT_AUTOMAKE comes from " .
4448 "an\nold Automake version. You should recreate " .
4449 "aclocal.m4\nwith aclocal and run automake again.\n");
4453 error ($seen_init_automake,
4454 "no proper implementation of AM_INIT_AUTOMAKE was " .
4455 "found,\nprobably because aclocal.m4 is missing...\n" .
4456 "You should run aclocal to create this file, then\n" .
4457 "run automake again.\n");
4462 # Look for some files we need. Always check for these. This
4463 # check must be done for every run, even those where we are only
4464 # looking at a subdir Makefile. We must set relative_dir so that
4465 # the file-finding machinery works.
4466 # FIXME: Is this broken because it needs dynamic scopes.
4467 # My tests seems to show it's not the case.
4468 $relative_dir = '.';
4469 require_conf_file ($configure_ac, FOREIGN,
4470 'install-sh', 'mkinstalldirs', 'missing');
4471 err_am "`install.sh' is an anachronism; use `install-sh' instead"
4472 if -f $config_aux_path[0] . '/install.sh';
4474 # Preserve dist_common for later.
4475 $configure_dist_common = variable_value ('DIST_COMMON') || '';
4478 ################################################################
4480 # Set up for Cygnus mode.
4483 my $cygnus = option 'cygnus';
4484 return unless $cygnus;
4486 set_strictness ('foreign');
4487 set_option ('no-installinfo', $cygnus);
4488 set_option ('no-dependencies', $cygnus);
4490 err_ac "`AM_MAINTAINER_MODE' required when --cygnus specified"
4491 if !$seen_maint_mode;
4494 # Do any extra checking for GNU standards.
4495 sub check_gnu_standards
4497 if ($relative_dir eq '.')
4499 # In top level (or only) directory.
4501 # Accept one of these three licenses; default to COPYING.
4502 my $license = 'COPYING';
4503 foreach (qw /COPYING.LIB COPYING.LESSER/)
4505 $license = $_ if -f $_;
4507 require_file ("$am_file.am", GNU, $license,
4508 qw/INSTALL NEWS README AUTHORS ChangeLog/);
4511 for my $opt ('no-installman', 'no-installinfo')
4513 msg ('error-gnu', option $opt,
4514 "option `$opt' disallowed by GNU standards")
4519 # Do any extra checking for GNITS standards.
4520 sub check_gnits_standards
4522 if ($relative_dir eq '.')
4524 # In top level (or only) directory.
4525 require_file ("$am_file.am", GNITS, 'THANKS');
4529 ################################################################
4531 # Functions to handle files of each language.
4533 # Each `lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
4534 # simple formula: Return value is LANG_SUBDIR if the resulting object
4535 # file should be in a subdir if the source file is, LANG_PROCESS if
4536 # file is to be dealt with, LANG_IGNORE otherwise.
4538 # Much of the actual processing is handled in
4539 # handle_single_transform_list. These functions exist so that
4540 # auxiliary information can be recorded for a later cleanup pass.
4541 # Note that the calls to these functions are computed, so don't bother
4542 # searching for their precise names in the source.
4544 # This is just a convenience function that can be used to determine
4545 # when a subdir object should be used.
4548 return option 'subdir-objects' ? LANG_SUBDIR : LANG_PROCESS;
4551 # Rewrite a single C source file.
4554 my ($directory, $base, $ext) = @_;
4556 if (option 'ansi2knr' && $base =~ /_$/)
4558 # FIXME: include line number in error.
4559 err_am "C source file `$base.c' would be deleted by ansi2knr rules";
4562 my $r = LANG_PROCESS;
4563 if (option 'subdir-objects')
4566 $base = $directory . '/' . $base
4567 unless $directory eq '.' || $directory eq '';
4569 err_am ("C objects in subdir but `AM_PROG_CC_C_O' "
4570 . "not in `$configure_ac'",
4571 uniq_scope => US_GLOBAL)
4572 unless $seen_cc_c_o;
4574 require_conf_file ("$am_file.am", FOREIGN, 'compile');
4576 # In this case we already have the directory information, so
4577 # don't add it again.
4578 $de_ansi_files{$base} = '';
4582 $de_ansi_files{$base} = (($directory eq '.' || $directory eq '')
4590 # Rewrite a single C++ source file.
4591 sub lang_cxx_rewrite
4593 return &lang_sub_obj;
4596 # Rewrite a single header file.
4597 sub lang_header_rewrite
4599 # Header files are simply ignored.
4603 # Rewrite a single yacc file.
4604 sub lang_yacc_rewrite
4606 my ($directory, $base, $ext) = @_;
4608 my $r = &lang_sub_obj;
4609 (my $newext = $ext) =~ tr/y/c/;
4610 return ($r, $newext);
4613 # Rewrite a single yacc++ file.
4614 sub lang_yaccxx_rewrite
4616 my ($directory, $base, $ext) = @_;
4618 my $r = &lang_sub_obj;
4619 (my $newext = $ext) =~ tr/y/c/;
4620 return ($r, $newext);
4623 # Rewrite a single lex file.
4624 sub lang_lex_rewrite
4626 my ($directory, $base, $ext) = @_;
4628 my $r = &lang_sub_obj;
4629 (my $newext = $ext) =~ tr/l/c/;
4630 return ($r, $newext);
4633 # Rewrite a single lex++ file.
4634 sub lang_lexxx_rewrite
4636 my ($directory, $base, $ext) = @_;
4638 my $r = &lang_sub_obj;
4639 (my $newext = $ext) =~ tr/l/c/;
4640 return ($r, $newext);
4643 # Rewrite a single assembly file.
4644 sub lang_asm_rewrite
4646 return &lang_sub_obj;
4649 # Rewrite a single Fortran 77 file.
4650 sub lang_f77_rewrite
4652 return LANG_PROCESS;
4655 # Rewrite a single preprocessed Fortran 77 file.
4656 sub lang_ppf77_rewrite
4658 return LANG_PROCESS;
4661 # Rewrite a single ratfor file.
4662 sub lang_ratfor_rewrite
4664 return LANG_PROCESS;
4667 # Rewrite a single Objective C file.
4668 sub lang_objc_rewrite
4670 return &lang_sub_obj;
4673 # Rewrite a single Java file.
4674 sub lang_java_rewrite
4679 # The lang_X_finish functions are called after all source file
4680 # processing is done. Each should handle defining rules for the
4681 # language, etc. A finish function is only called if a source file of
4682 # the appropriate type has been seen.
4686 # Push all libobjs files onto de_ansi_files. We actually only
4687 # push files which exist in the current directory, and which are
4688 # genuine source files.
4689 foreach my $file (keys %libsources)
4691 if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
4693 $de_ansi_files{$1} = ''
4697 if (option 'ansi2knr' && keys %de_ansi_files)
4699 # Make all _.c files depend on their corresponding .c files.
4701 foreach my $base (sort keys %de_ansi_files)
4703 # Each _.c file must depend on ansi2knr; otherwise it
4704 # might be used in a parallel build before it is built.
4705 # We need to support files in the srcdir and in the build
4706 # dir (because these files might be auto-generated. But
4707 # we can't use $< -- some makes only define $< during a
4709 my $ansfile = $de_ansi_files{$base} . $base . '.c';
4710 $output_rules .= ($base . "_.c: $ansfile \$(ANSI2KNR)\n\t"
4711 . '$(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
4712 . '`if test -f $(srcdir)/' . $ansfile
4713 . '; then echo $(srcdir)/' . $ansfile
4714 . '; else echo ' . $ansfile . '; fi` '
4715 . "| sed 's/^# \\([0-9]\\)/#line \\1/' "
4716 . '| $(ANSI2KNR) > $@'
4717 # If ansi2knr fails then we shouldn't
4718 # create the _.c file
4719 . " || rm -f \$\@\n");
4720 push (@objects, $base . '_.$(OBJEXT)');
4721 push (@objects, $base . '_.lo')
4725 # Make all _.o (and _.lo) files depend on ansi2knr.
4726 # Use a sneaky little hack to make it print nicely.
4727 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
4731 # This is a yacc helper which is called whenever we have decided to
4732 # compile a yacc file.
4733 sub lang_yacc_target_hook
4735 my ($self, $aggregate, $output, $input) = @_;
4737 my $flag = $aggregate . "_YFLAGS";
4738 my $flagvar = var $flag;
4739 my $YFLAGSvar = var 'YFLAGS';
4740 if (($flagvar && $flagvar->variable_value =~ /$DASH_D_PATTERN/o)
4741 || ($YFLAGSvar && $YFLAGSvar->variable_value =~ /$DASH_D_PATTERN/o))
4743 (my $output_base = $output) =~ s/$KNOWN_EXTENSIONS_PATTERN$//;
4744 my $header = $output_base . '.h';
4746 # Found a `-d' that applies to the compilation of this file.
4747 # Add a dependency for the generated header file, and arrange
4748 # for that file to be included in the distribution.
4749 # FIXME: this fails for `nodist_*_SOURCES'.
4750 $output_rules .= ("${header}: $output\n"
4751 # Recover from removal of $header
4752 . "\t\@if test ! -f \$@; then \\\n"
4753 . "\t rm -f $output; \\\n"
4754 . "\t \$(MAKE) $output; \\\n"
4755 . "\telse :; fi\n");
4756 &push_dist_common ($header);
4757 # If the files are built in the build directory, then we want
4758 # to remove them with `make clean'. If they are in srcdir
4759 # they shouldn't be touched. However, we can't determine this
4760 # statically, and the GNU rules say that yacc/lex output files
4761 # should be removed by maintainer-clean. So that's what we
4763 $clean_files{$header} = MAINTAINER_CLEAN;
4765 # Erase $OUTPUT on `make maintainer-clean' (by GNU standards).
4766 # See the comment above for $HEADER.
4767 $clean_files{$output} = MAINTAINER_CLEAN;
4770 # This is a lex helper which is called whenever we have decided to
4771 # compile a lex file.
4772 sub lang_lex_target_hook
4774 my ($self, $aggregate, $output, $input) = @_;
4775 # If the files are built in the build directory, then we want to
4776 # remove them with `make clean'. If they are in srcdir they
4777 # shouldn't be touched. However, we can't determine this
4778 # statically, and the GNU rules say that yacc/lex output files
4779 # should be removed by maintainer-clean. So that's what we do.
4780 $clean_files{$output} = MAINTAINER_CLEAN;
4783 # This is a helper for both lex and yacc.
4784 sub yacc_lex_finish_helper
4786 return if defined $language_scratch{'lex-yacc-done'};
4787 $language_scratch{'lex-yacc-done'} = 1;
4789 # If there is more than one distinct yacc (resp lex) source file
4790 # in a given directory, then the `ylwrap' program is required to
4791 # allow parallel builds to work correctly. FIXME: for now, no
4793 require_conf_file ($configure_ac, FOREIGN, 'ylwrap');
4794 if ($config_aux_dir_set_in_configure_in)
4796 &define_variable ('YLWRAP', $config_aux_dir . "/ylwrap", INTERNAL);
4800 &define_variable ('YLWRAP', '$(top_srcdir)/ylwrap', INTERNAL);
4804 sub lang_yacc_finish
4806 return if defined $language_scratch{'yacc-done'};
4807 $language_scratch{'yacc-done'} = 1;
4809 reject_var 'YACCFLAGS', "`YACCFLAGS' obsolete; use `YFLAGS' instead";
4811 &yacc_lex_finish_helper
4812 if count_files_for_language ('yacc') > 1;
4818 return if defined $language_scratch{'lex-done'};
4819 $language_scratch{'lex-done'} = 1;
4821 &yacc_lex_finish_helper
4822 if count_files_for_language ('lex') > 1;
4826 # Given a hash table of linker names, pick the name that has the most
4827 # precedence. This is lame, but something has to have global
4828 # knowledge in order to eliminate the conflict. Add more linkers as
4834 foreach my $l (qw(GCJLINK CXXLINK F77LINK OBJCLINK))
4836 return $l if defined $linkers{$l};
4841 # Called to indicate that an extension was used.
4845 if (! defined $extension_seen{$ext})
4847 $extension_seen{$ext} = 1;
4851 ++$extension_seen{$ext};
4855 # Return the number of files seen for a given language. Knows about
4856 # special cases we care about. FIXME: this is hideous. We need
4857 # something that involves real language objects. For instance yacc
4858 # and yaccxx could both derive from a common yacc class which would
4859 # know about the strange ylwrap requirement. (Or better yet we could
4860 # just not support legacy yacc!)
4861 sub count_files_for_language
4866 if ($name eq 'yacc' || $name eq 'yaccxx')
4868 @names = ('yacc', 'yaccxx');
4870 elsif ($name eq 'lex' || $name eq 'lexxx')
4872 @names = ('lex', 'lexxx');
4880 foreach $name (@names)
4882 my $lang = $languages{$name};
4883 foreach my $ext (@{$lang->extensions})
4885 $r += $extension_seen{$ext}
4886 if defined $extension_seen{$ext};
4893 # Called to ask whether source files have been seen . If HEADERS is 1,
4894 # headers can be included.
4899 # count all the sources
4901 foreach my $val (values %extension_seen)
4908 $count -= count_files_for_language ('header');
4915 # register_language (%ATTRIBUTE)
4916 # ------------------------------
4917 # Register a single language.
4918 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
4919 sub register_language (%)
4925 unless defined $option{'ansi'};
4926 $option{'autodep'} = 'no'
4927 unless defined $option{'autodep'};
4928 $option{'linker'} = ''
4929 unless defined $option{'linker'};
4930 $option{'flags'} = []
4931 unless defined $option{'flags'};
4932 $option{'output_extensions'} = sub { return ( '.$(OBJEXT)', '.lo' ) }
4933 unless defined $option{'output_extensions'};
4935 my $lang = new Language (%option);
4938 $extension_map{$_} = $lang->name foreach @{$lang->extensions};
4939 $languages{$lang->name} = $lang;
4941 # Update the pattern of known extensions.
4942 accept_extensions (@{$lang->extensions});
4944 # Upate the $suffix_rule map.
4945 foreach my $suffix (@{$lang->extensions})
4947 foreach my $dest (&{$lang->output_extensions} ($suffix))
4949 register_suffix_rule (INTERNAL, $suffix, $dest);
4954 # derive_suffix ($EXT, $OBJ)
4955 # --------------------------
4956 # This function is used to find a path from a user-specified suffix $EXT
4957 # to $OBJ or to some other suffix we recognize internally, e.g. `cc'.
4958 sub derive_suffix ($$)
4960 my ($source_ext, $obj) = @_;
4962 while (! $extension_map{$source_ext}
4963 && $source_ext ne $obj
4964 && exists $suffix_rules->{$source_ext}
4965 && exists $suffix_rules->{$source_ext}{$obj})
4967 $source_ext = $suffix_rules->{$source_ext}{$obj}[0];
4974 ################################################################
4976 # Pretty-print something and append to output_rules.
4977 sub pretty_print_rule
4979 $output_rules .= &makefile_wrap (@_);
4983 ################################################################
4986 ## -------------------------------- ##
4987 ## Handling the conditional stack. ##
4988 ## -------------------------------- ##
4992 # make_conditional_string ($NEGATE, $COND)
4993 # ----------------------------------------
4994 sub make_conditional_string ($$)
4996 my ($negate, $cond) = @_;
4997 $cond = "${cond}_TRUE"
4998 unless $cond =~ /^TRUE|FALSE$/;
4999 $cond = Automake::Condition::conditional_negate ($cond)
5006 # cond_stack_if ($NEGATE, $COND, $WHERE)
5007 # --------------------------------------
5008 sub cond_stack_if ($$$)
5010 my ($negate, $cond, $where) = @_;
5012 error $where, "$cond does not appear in AM_CONDITIONAL"
5013 if ! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/;
5015 push (@cond_stack, make_conditional_string ($negate, $cond));
5017 return new Automake::Condition (@cond_stack);
5022 # cond_stack_else ($NEGATE, $COND, $WHERE)
5023 # ----------------------------------------
5024 sub cond_stack_else ($$$)
5026 my ($negate, $cond, $where) = @_;
5030 error $where, "else without if";
5034 $cond_stack[$#cond_stack] =
5035 Automake::Condition::conditional_negate ($cond_stack[$#cond_stack]);
5037 # If $COND is given, check against it.
5040 $cond = make_conditional_string ($negate, $cond);
5042 error ($where, "else reminder ($negate$cond) incompatible with "
5043 . "current conditional: $cond_stack[$#cond_stack]")
5044 if $cond_stack[$#cond_stack] ne $cond;
5047 return new Automake::Condition (@cond_stack);
5052 # cond_stack_endif ($NEGATE, $COND, $WHERE)
5053 # -----------------------------------------
5054 sub cond_stack_endif ($$$)
5056 my ($negate, $cond, $where) = @_;
5061 error $where, "endif without if";
5065 # If $COND is given, check against it.
5068 $cond = make_conditional_string ($negate, $cond);
5070 error ($where, "endif reminder ($negate$cond) incompatible with "
5071 . "current conditional: $cond_stack[$#cond_stack]")
5072 if $cond_stack[$#cond_stack] ne $cond;
5077 return new Automake::Condition (@cond_stack);
5084 ## ------------------------ ##
5085 ## Handling the variables. ##
5086 ## ------------------------ ##
5089 # &define_pretty_variable ($VAR, $COND, $WHERE, @VALUE)
5090 # -----------------------------------------------------
5091 # Like define_variable, but the value is a list, and the variable may
5092 # be defined conditionally. The second argument is the Condition
5093 # under which the value should be defined; this should be the empty
5094 # string to define the variable unconditionally. The third argument
5095 # is a list holding the values to use for the variable. The value is
5096 # pretty printed in the output file.
5097 sub define_pretty_variable ($$$@)
5099 my ($var, $cond, $where, @value) = @_;
5101 if (! vardef ($var, $cond))
5103 Automake::Variable::define ($var, VAR_AUTOMAKE, '', $cond, "@value",
5104 '', $where, VAR_PRETTY);
5105 rvar ($var)->rdef ($cond)->set_seen;
5110 # define_variable ($VAR, $VALUE, $WHERE)
5111 # --------------------------------------
5112 # Define a new user variable VAR to VALUE, but only if not already defined.
5113 sub define_variable ($$$)
5115 my ($var, $value, $where) = @_;
5116 define_pretty_variable ($var, TRUE, $where, $value);
5120 # define_files_variable ($VAR, \@BASENAME, $EXTENSION, $WHERE)
5121 # -----------------------------------------------------------
5122 # Define the $VAR which content is the list of file names composed of
5123 # a @BASENAME and the $EXTENSION.
5124 sub define_files_variable ($\@$$)
5126 my ($var, $basename, $extension, $where) = @_;
5127 define_variable ($var,
5128 join (' ', map { "$_.$extension" } @$basename),
5133 # Like define_variable, but define a variable to be the configure
5134 # substitution by the same name.
5135 sub define_configure_variable ($)
5139 my $pretty = VAR_ASIS;
5140 my $owner = VAR_CONFIGURE;
5142 # Do not output the ANSI2KNR configure variable -- we AC_SUBST
5143 # it in protos.m4, but later redefine it elsewhere. This is
5144 # pretty hacky. We also don't output AMDEPBACKSLASH: it might
5145 # be subst'd by `\', which certainly would not be appreciated by
5147 if ($var eq 'ANSI2KNR' || $var eq 'AMDEPBACKSLASH')
5149 $pretty = VAR_SILENT;
5150 $owner = VAR_AUTOMAKE;
5153 Automake::Variable::define ($var, $owner, '', TRUE, subst $var,
5154 '', $configure_vars{$var}, $pretty);
5158 # define_compiler_variable ($LANG)
5159 # --------------------------------
5160 # Define a compiler variable. We also handle defining the `LT'
5161 # version of the command when using libtool.
5162 sub define_compiler_variable ($)
5166 my ($var, $value) = ($lang->compiler, $lang->compile);
5167 &define_variable ($var, $value, INTERNAL);
5168 &define_variable ("LT$var", "\$(LIBTOOL) --mode=compile $value", INTERNAL)
5173 # define_linker_variable ($LANG)
5174 # ------------------------------
5175 # Define linker variables.
5176 sub define_linker_variable ($)
5180 my ($var, $value) = ($lang->lder, $lang->ld);
5182 &define_variable ($lang->lder, $lang->ld, INTERNAL);
5183 # CCLINK = $(CCLD) blah blah...
5184 &define_variable ($lang->linker,
5185 ((var ('LIBTOOL') ? '$(LIBTOOL) --mode=link ' : '')
5190 ################################################################
5192 # &check_trailing_slash ($WHERE, $LINE)
5193 # --------------------------------------
5194 # Return 1 iff $LINE ends with a slash.
5195 # Might modify $LINE.
5196 sub check_trailing_slash ($\$)
5198 my ($where, $line) = @_;
5200 # Ignore `##' lines.
5201 return 0 if $$line =~ /$IGNORE_PATTERN/o;
5203 # Catch and fix a common error.
5204 msg "syntax", $where, "whitespace following trailing backslash"
5205 if $$line =~ s/\\\s+\n$/\\\n/;
5207 return $$line =~ /\\$/;
5211 # &read_am_file ($AMFILE, $WHERE)
5212 # -------------------------------
5213 # Read Makefile.am and set up %contents. Simultaneously copy lines
5214 # from Makefile.am into $output_trailer, or define variables as
5215 # appropriate. NOTE we put rules in the trailer section. We want
5216 # user rules to come after our generated stuff.
5217 sub read_am_file ($$)
5219 my ($amfile, $where) = @_;
5221 my $am_file = new Automake::XFile ("< $amfile");
5222 verb "reading $amfile";
5224 # Keep track of the youngest output dependency.
5225 my $mtime = mtime $amfile;
5226 $output_deps_greatest_timestamp = $mtime
5227 if $mtime > $output_deps_greatest_timestamp;
5234 use constant IN_VAR_DEF => 0;
5235 use constant IN_RULE_DEF => 1;
5236 use constant IN_COMMENT => 2;
5237 my $prev_state = IN_RULE_DEF;
5239 while ($_ = $am_file->getline)
5241 $where->set ("$amfile:$.");
5242 if (/$IGNORE_PATTERN/o)
5244 # Merely delete comments beginning with two hashes.
5246 elsif (/$WHITE_PATTERN/o)
5248 error $where, "blank line following trailing backslash"
5250 # Stick a single white line before the incoming macro or rule.
5253 # Flush all comments seen so far.
5256 $output_vars .= $comment;
5260 elsif (/$COMMENT_PATTERN/o)
5262 # Stick comments before the incoming macro or rule. Make
5263 # sure a blank line precedes the first block of comments.
5264 $spacing = "\n" unless $blank;
5266 $comment .= $spacing . $_;
5268 $prev_state = IN_COMMENT;
5274 $saw_bk = check_trailing_slash ($where, $_);
5277 # We save the conditional stack on entry, and then check to make
5278 # sure it is the same on exit. This lets us conditionally include
5280 my @saved_cond_stack = @cond_stack;
5281 my $cond = new Automake::Condition (@cond_stack);
5283 my $last_var_name = '';
5284 my $last_var_type = '';
5285 my $last_var_value = '';
5287 # FIXME: shouldn't use $_ in this loop; it is too big.
5290 $where->set ("$amfile:$.");
5292 # Make sure the line is \n-terminated.
5296 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
5297 # used by users. @MAINT@ is an anachronism now.
5298 $_ =~ s/\@MAINT\@//g
5299 unless $seen_maint_mode;
5301 my $new_saw_bk = check_trailing_slash ($where, $_);
5303 if (/$IGNORE_PATTERN/o)
5305 # Merely delete comments beginning with two hashes.
5307 elsif (/$WHITE_PATTERN/o)
5309 # Stick a single white line before the incoming macro or rule.
5311 error $where, "blank line following trailing backslash"
5314 elsif (/$COMMENT_PATTERN/o)
5316 # Stick comments before the incoming macro or rule.
5317 $comment .= $spacing . $_;
5319 error $where, "comment following trailing backslash"
5320 if $saw_bk && $comment eq '';
5321 $prev_state = IN_COMMENT;
5325 if ($prev_state == IN_RULE_DEF)
5327 my $cond = new Automake::Condition @cond_stack;
5328 $output_trailer .= $cond->subst_string;
5329 $output_trailer .= $_;
5331 elsif ($prev_state == IN_COMMENT)
5333 # If the line doesn't start with a `#', add it.
5334 # We do this because a continued comment like
5338 # is not portable. BSD make doesn't honor
5339 # escaped newlines in comments.
5341 $comment .= $spacing . $_;
5343 else # $prev_state == IN_VAR_DEF
5345 $last_var_value .= ' '
5346 unless $last_var_value =~ /\s$/;
5347 $last_var_value .= $_;
5351 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
5352 $last_var_type, $cond,
5353 $last_var_value, $comment,
5354 $last_where, VAR_ASIS)
5356 $comment = $spacing = '';
5361 elsif (/$IF_PATTERN/o)
5363 $cond = cond_stack_if ($1, $2, $where);
5365 elsif (/$ELSE_PATTERN/o)
5367 $cond = cond_stack_else ($1, $2, $where);
5369 elsif (/$ENDIF_PATTERN/o)
5371 $cond = cond_stack_endif ($1, $2, $where);
5374 elsif (/$RULE_PATTERN/o)
5377 $prev_state = IN_RULE_DEF;
5379 # For now we have to output all definitions of user rules
5380 # and can't diagnose duplicates (see the comment in
5381 # rule_define). So we go on and ignore the return value.
5382 Automake::Rule::define ($1, $amfile, RULE_USER, $cond, $where);
5384 check_variable_expansions ($_, $where);
5386 $output_trailer .= $comment . $spacing;
5387 my $cond = new Automake::Condition @cond_stack;
5388 $output_trailer .= $cond->subst_string;
5389 $output_trailer .= $_;
5390 $comment = $spacing = '';
5392 elsif (/$ASSIGNMENT_PATTERN/o)
5394 # Found a macro definition.
5395 $prev_state = IN_VAR_DEF;
5396 $last_var_name = $1;
5397 $last_var_type = $2;
5398 $last_var_value = $3;
5399 $last_where = $where->clone;
5400 if ($3 ne '' && substr ($3, -1) eq "\\")
5402 # We preserve the `\' because otherwise the long lines
5403 # that are generated will be truncated by broken
5405 $last_var_value = $3 . "\n";
5410 Automake::Variable::define ($last_var_name, VAR_MAKEFILE,
5411 $last_var_type, $cond,
5412 $last_var_value, $comment,
5413 $last_where, VAR_ASIS)
5415 $comment = $spacing = '';
5418 elsif (/$INCLUDE_PATTERN/o)
5422 if ($path =~ s/^\$\(top_srcdir\)\///)
5424 push (@include_stack, "\$\(top_srcdir\)/$path");
5425 # Distribute any included file.
5427 # Always use the $(top_srcdir) prefix in DIST_COMMON,
5428 # otherwise OSF make will implicitly copy the included
5429 # file in the build tree during `make distdir' to satisfy
5431 # (subdircond2.test and subdircond3.test will fail.)
5432 push_dist_common ("\$\(top_srcdir\)/$path");
5436 $path =~ s/\$\(srcdir\)\///;
5437 push (@include_stack, "\$\(srcdir\)/$path");
5438 # Always use the $(srcdir) prefix in DIST_COMMON,
5439 # otherwise OSF make will implicitly copy the included
5440 # file in the build tree during `make distdir' to satisfy
5442 # (subdircond2.test and subdircond3.test will fail.)
5443 push_dist_common ("\$\(srcdir\)/$path");
5444 $path = $relative_dir . "/" . $path if $relative_dir ne '.';
5446 $where->push_context ("`$path' included from here");
5447 &read_am_file ($path, $where);
5448 $where->pop_context;
5452 # This isn't an error; it is probably a continued rule.
5453 # In fact, this is what we assume.
5454 $prev_state = IN_RULE_DEF;
5455 check_variable_expansions ($_, $where);
5456 $output_trailer .= $comment . $spacing;
5457 my $cond = new Automake::Condition @cond_stack;
5458 $output_trailer .= $cond->subst_string;
5459 $output_trailer .= $_;
5460 $comment = $spacing = '';
5461 error $where, "`#' comment at start of rule is unportable"
5462 if $_ =~ /^\t\s*\#/;
5465 $saw_bk = $new_saw_bk;
5466 $_ = $am_file->getline;
5469 $output_trailer .= $comment;
5471 error ($where, "trailing backslash on last line")
5474 error ($where, (@cond_stack ? "unterminated conditionals: @cond_stack"
5475 : "too many conditionals closed in include file"))
5476 if "@saved_cond_stack" ne "@cond_stack";
5480 # define_standard_variables ()
5481 # ----------------------------
5482 # A helper for read_main_am_file which initializes configure variables
5483 # and variables from header-vars.am.
5484 sub define_standard_variables
5486 my $saved_output_vars = $output_vars;
5487 my ($comments, undef, $rules) =
5488 file_contents_internal (1, "$libdir/am/header-vars.am",
5489 new Automake::Location);
5491 foreach my $var (sort keys %configure_vars)
5493 &define_configure_variable ($var);
5496 $output_vars .= $comments . $rules;
5499 # Read main am file.
5500 sub read_main_am_file
5504 # This supports the strange variable tricks we are about to play.
5505 prog_error (macros_dump () . "variable defined before read_main_am_file")
5506 if (scalar (variables) > 0);
5508 # Generate copyright header for generated Makefile.in.
5509 # We do discard the output of predefined variables, handled below.
5510 $output_vars = ("# $in_file_name generated by automake "
5511 . $VERSION . " from $am_file_name.\n");
5512 $output_vars .= '# ' . subst ('configure_input') . "\n";
5513 $output_vars .= $gen_copyright;
5515 # We want to predefine as many variables as possible. This lets
5516 # the user set them with `+=' in Makefile.am.
5517 &define_standard_variables;
5519 # Read user file, which might override some of our values.
5520 &read_am_file ($amfile, new Automake::Location);
5525 ################################################################
5528 # &flatten ($STRING)
5529 # ------------------
5530 # Flatten the $STRING and return the result.
5545 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
5546 # ------------------------------------------
5547 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
5549 sub make_paragraphs ($%)
5551 my ($file, %transform) = @_;
5553 # Complete %transform with global options and make it a Perl
5556 "s/$IGNORE_PATTERN//gm;"
5557 . transform (%transform,
5558 'CYGNUS' => !! option 'cygnus',
5560 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
5562 'BZIP2' => !! option 'dist-bzip2',
5563 'COMPRESS' => !! option 'dist-tarZ',
5564 'GZIP' => ! option 'no-dist-gzip',
5565 'SHAR' => !! option 'dist-shar',
5566 'ZIP' => !! option 'dist-zip',
5568 'INSTALL-INFO' => ! option 'no-installinfo',
5569 'INSTALL-MAN' => ! option 'no-installman',
5570 'CK-NEWS' => !! option 'check-news',
5572 'SUBDIRS' => !! var ('SUBDIRS'),
5573 'TOPDIR' => backname ($relative_dir),
5574 'TOPDIR_P' => $relative_dir eq '.',
5575 'CONFIGURE-AC' => $configure_ac,
5577 'BUILD' => $seen_canonical == AC_CANONICAL_SYSTEM,
5578 'HOST' => $seen_canonical,
5579 'TARGET' => $seen_canonical == AC_CANONICAL_SYSTEM,
5581 'LIBTOOL' => !! var ('LIBTOOL'))
5582 # We don't need more than two consecutive new-lines.
5583 . 's/\n{3,}/\n\n/g';
5585 # Swallow the file and apply the COMMAND.
5586 my $fc_file = new Automake::XFile "< $file";
5588 verb "reading $file";
5589 my $saved_dollar_slash = $/;
5591 $_ = $fc_file->getline;
5592 $/ = $saved_dollar_slash;
5597 # Split at unescaped new lines.
5598 my @lines = split (/(?<!\\)\n/, $content);
5601 while (defined ($_ = shift @lines))
5603 my $paragraph = "$_";
5604 # If we are a rule, eat as long as we start with a tab.
5605 if (/$RULE_PATTERN/smo)
5607 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
5609 $paragraph .= "\n$_";
5611 unshift (@lines, $_);
5614 # If we are a comments, eat as much comments as you can.
5615 elsif (/$COMMENT_PATTERN/smo)
5617 while (defined ($_ = shift @lines)
5618 && $_ =~ /$COMMENT_PATTERN/smo)
5620 $paragraph .= "\n$_";
5622 unshift (@lines, $_);
5625 push @res, $paragraph;
5634 # ($COMMENT, $VARIABLES, $RULES)
5635 # &file_contents_internal ($IS_AM, $FILE, $WHERE, [%TRANSFORM])
5636 # -------------------------------------------------------------
5637 # Return contents of a file from $libdir/am, automatically skipping
5638 # macros or rules which are already known. $IS_AM iff the caller is
5639 # reading an Automake file (as opposed to the user's Makefile.am).
5640 sub file_contents_internal ($$$%)
5642 my ($is_am, $file, $where, %transform) = @_;
5644 $where->set ($file);
5646 my $result_vars = '';
5647 my $result_rules = '';
5651 # The following flags are used to track rules spanning across
5652 # multiple paragraphs.
5653 my $is_rule = 0; # 1 if we are processing a rule.
5654 my $discard_rule = 0; # 1 if the current rule should not be output.
5656 # We save the conditional stack on entry, and then check to make
5657 # sure it is the same on exit. This lets us conditionally include
5659 my @saved_cond_stack = @cond_stack;
5660 my $cond = new Automake::Condition (@cond_stack);
5662 foreach (make_paragraphs ($file, %transform))
5664 # FIXME: no line number available.
5665 $where->set ($file);
5668 error $where, "blank line following trailing backslash:\n$_"
5670 error $where, "comment following trailing backslash:\n$_"
5676 # Stick empty line before the incoming macro or rule.
5679 elsif (/$COMMENT_PATTERN/mso)
5682 # Stick comments before the incoming macro or rule.
5686 # Handle inclusion of other files.
5687 elsif (/$INCLUDE_PATTERN/o)
5691 my $file = ($is_am ? "$libdir/am/" : '') . $1;
5692 $where->push_context ("`$file' included from here");
5694 my ($com, $vars, $rules)
5695 = file_contents_internal ($is_am, $file, $where, %transform);
5696 $where->pop_context;
5698 $result_vars .= $vars;
5699 $result_rules .= $rules;
5703 # Handling the conditionals.
5704 elsif (/$IF_PATTERN/o)
5706 $cond = cond_stack_if ($1, $2, $file);
5708 elsif (/$ELSE_PATTERN/o)
5710 $cond = cond_stack_else ($1, $2, $file);
5712 elsif (/$ENDIF_PATTERN/o)
5714 $cond = cond_stack_endif ($1, $2, $file);
5718 elsif (/$RULE_PATTERN/mso)
5722 # Separate relationship from optional actions: the first
5723 # `new-line tab" not preceded by backslash (continuation
5726 /^(.*?)(?:(?<!\\)\n(\t.*))?$/s;
5727 my ($relationship, $actions) = ($1, $2 || '');
5729 # Separate targets from dependencies: the first colon.
5730 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
5731 my ($targets, $dependencies) = ($1, $2);
5732 # Remove the escaped new lines.
5733 # I don't know why, but I have to use a tmp $flat_deps.
5734 my $flat_deps = &flatten ($dependencies);
5735 my @deps = split (' ', $flat_deps);
5737 foreach (split (' ' , $targets))
5739 # FIXME: 1. We are not robust to people defining several targets
5740 # at once, only some of them being in %dependencies. The
5741 # actions from the targets in %dependencies are usually generated
5742 # from the content of %actions, but if some targets in $targets
5743 # are not in %dependencies the ELSE branch will output
5744 # a rule for all $targets (i.e. the targets which are both
5745 # in %dependencies and $targets will have two rules).
5747 # FIXME: 2. The logic here is not able to output a
5748 # multi-paragraph rule several time (e.g. for each condition
5749 # it is defined for) because it only knows the first paragraph.
5751 # FIXME: 3. We are not robust to people defining a subset
5752 # of a previously defined "multiple-target" rule. E.g.
5753 # `foo:' after `foo bar:'.
5755 # Output only if not in FALSE.
5756 if (defined $dependencies{$_} && $cond != FALSE)
5758 &depend ($_, @deps);
5761 $actions{$_} .= "\n$actions" if $actions;
5765 $actions{$_} = $actions;
5770 # Free-lance dependency. Output the rule for all the
5771 # targets instead of one by one.
5772 my @undefined_conds =
5773 Automake::Rule::define ($targets, $file,
5774 $is_am ? RULE_AUTOMAKE : RULE_USER,
5776 for my $undefined_cond (@undefined_conds)
5778 my $condparagraph = $paragraph;
5779 $condparagraph =~ s/^/$undefined_cond->subst_string/gme;
5780 $result_rules .= "$spacing$comment$condparagraph\n";
5782 if (scalar @undefined_conds == 0)
5784 # Remember to discard next paragraphs
5785 # if they belong to this rule.
5786 # (but see also FIXME: #2 above.)
5789 $comment = $spacing = '';
5795 elsif (/$ASSIGNMENT_PATTERN/mso)
5797 my ($var, $type, $val) = ($1, $2, $3);
5798 error $where, "variable `$var' with trailing backslash"
5803 Automake::Variable::define ($var,
5804 $is_am ? VAR_AUTOMAKE : VAR_MAKEFILE,
5805 $type, $cond, $val, $comment, $where,
5809 $comment = $spacing = '';
5813 # This isn't an error; it is probably some tokens which
5814 # configure is supposed to replace, such as `@SET-MAKE@',
5815 # or some part of a rule cut by an if/endif.
5816 if (! $cond->false && ! ($is_rule && $discard_rule))
5818 s/^/$cond->subst_string/gme;
5819 $result_rules .= "$spacing$comment$_\n";
5821 $comment = $spacing = '';
5825 error ($where, @cond_stack ?
5826 "unterminated conditionals: @cond_stack" :
5827 "too many conditionals closed in include file")
5828 if "@saved_cond_stack" ne "@cond_stack";
5830 return ($comment, $result_vars, $result_rules);
5835 # &file_contents ($BASENAME, $WHERE, [%TRANSFORM])
5836 # ------------------------------------------------
5837 # Return contents of a file from $libdir/am, automatically skipping
5838 # macros or rules which are already known.
5839 sub file_contents ($$%)
5841 my ($basename, $where, %transform) = @_;
5842 my ($comments, $variables, $rules) =
5843 file_contents_internal (1, "$libdir/am/$basename.am", $where,
5845 return "$comments$variables$rules";
5850 # &transform (%PAIRS)
5851 # -------------------
5852 # For each ($TOKEN, $VAL) in %PAIRS produce a replacement expression
5853 # suitable for file_contents which:
5854 # - replaces %$TOKEN% with $VAL,
5855 # - enables/disables ?$TOKEN? and ?!$TOKEN?,
5856 # - replaces %?$TOKEN% with TRUE or FALSE.
5862 while (my ($token, $val) = each %pairs)
5864 $result .= "s/\Q%$token%\E/\Q$val\E/gm;";
5867 $result .= "s/\Q?$token?\E//gm;s/^.*\Q?!$token?\E.*\\n//gm;";
5868 $result .= "s/\Q%?$token%\E/TRUE/gm;";
5872 $result .= "s/\Q?!$token?\E//gm;s/^.*\Q?$token?\E.*\\n//gm;";
5873 $result .= "s/\Q%?$token%\E/FALSE/gm;";
5881 # &append_exeext ($MACRO)
5882 # -----------------------
5883 # Macro is an Automake magic macro which primary is PROGRAMS, e.g.
5884 # bin_PROGRAMS. Make sure these programs have $(EXEEXT) appended.
5885 sub append_exeext ($)
5889 prog_error "append_exeext ($macro)"
5890 unless $macro =~ /_PROGRAMS$/;
5892 transform_variable_recursively
5893 ($macro, $macro, 'am__EXEEXT', 0, INTERNAL,
5895 my ($subvar, $val, $cond, $full_cond) = @_;
5896 # Append $(EXEEXT) unless the user did it already.
5897 $val .= '$(EXEEXT)' unless $val =~ /\$\(EXEEXT\)$/;
5904 # &am_primary_prefixes ($PRIMARY, $CAN_DIST, @PREFIXES)
5905 # -----------------------------------------------------
5906 # Find all variable prefixes that are used for install directories. A
5907 # prefix `zar' qualifies iff:
5909 # * `zardir' is a variable.
5910 # * `zar_PRIMARY' is a variable.
5912 # As a side effect, it looks for misspellings. It is an error to have
5913 # a variable ending in a "reserved" suffix whose prefix is unknown, e.g.
5914 # "bin_PROGRAMS". However, unusual prefixes are allowed if a variable
5915 # of the same name (with "dir" appended) exists. For instance, if the
5916 # variable "zardir" is defined, then "zar_PROGRAMS" becomes valid.
5917 # This is to provide a little extra flexibility in those cases which
5919 sub am_primary_prefixes ($$@)
5921 my ($primary, $can_dist, @prefixes) = @_;
5924 my %valid = map { $_ => 0 } @prefixes;
5925 $valid{'EXTRA'} = 0;
5926 foreach my $var (variables)
5928 # Automake is allowed to define variables that look like primaries
5929 # but which aren't. E.g. INSTALL_sh_DATA.
5930 # Autoconf can also define variables like INSTALL_DATA, so
5931 # ignore all configure variables (at least those which are not
5932 # redefined in Makefile.am).
5933 # FIXME: We should make sure that these variables are not
5934 # conditionally defined (or else adjust the condition below).
5935 my $def = $var->def (TRUE);
5936 next if $def && $def->owner != VAR_MAKEFILE;
5938 my $varname = $var->name;
5940 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_$primary$/)
5942 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
5943 if ($dist ne '' && ! $can_dist)
5946 "invalid variable `$varname': `dist' is forbidden");
5948 # Standard directories must be explicitly allowed.
5949 elsif (! defined $valid{$X} && exists $standard_prefix{$X})
5952 "`${X}dir' is not a legitimate directory " .
5955 # A not explicitly valid directory is allowed if Xdir is defined.
5956 elsif (! defined $valid{$X} &&
5957 $var->requires_variables ("`$varname' is used", "${X}dir"))
5959 # Nothing to do. Any error message has been output
5960 # by $var->requires_variables.
5964 # Ensure all extended prefixes are actually used.
5965 $valid{"$base$dist$X"} = 1;
5970 # Return only those which are actually defined.
5971 return sort grep { var ($_ . '_' . $primary) } keys %valid;
5975 # Handle `where_HOW' variable magic. Does all lookups, generates
5976 # install code, and possibly generates code to define the primary
5977 # variable. The first argument is the name of the .am file to munge,
5978 # the second argument is the primary variable (e.g. HEADERS), and all
5979 # subsequent arguments are possible installation locations.
5981 # Returns list of [$location, $value] pairs, where
5982 # $value's are the values in all where_HOW variable, and $location
5983 # there associated location (the place here their parent variables were
5986 # FIXME: this should be rewritten to be cleaner. It should be broken
5987 # up into multiple functions.
5989 # Usage is: am_install_var (OPTION..., file, HOW, where...)
5996 my $default_dist = 0;
5999 if ($args[0] eq '-noextra')
6003 elsif ($args[0] eq '-candist')
6007 elsif ($args[0] eq '-defaultdist')
6012 elsif ($args[0] !~ /^-/)
6019 my ($file, $primary, @prefix) = @args;
6021 # Now that configure substitutions are allowed in where_HOW
6022 # variables, it is an error to actually define the primary. We
6023 # allow `JAVA', as it is customarily used to mean the Java
6024 # interpreter. This is but one of several Java hacks. Similarly,
6025 # `PYTHON' is customarily used to mean the Python interpreter.
6026 reject_var $primary, "`$primary' is an anachronism"
6027 unless $primary eq 'JAVA' || $primary eq 'PYTHON';
6029 # Get the prefixes which are valid and actually used.
6030 @prefix = am_primary_prefixes ($primary, $can_dist, @prefix);
6032 # If a primary includes a configure substitution, then the EXTRA_
6033 # form is required. Otherwise we can't properly do our job.
6039 # True if the iteration is the first one. Used for instance to
6040 # output parts of the associated file only once.
6042 foreach my $X (@prefix)
6044 my $nodir_name = $X;
6045 my $one_name = $X . '_' . $primary;
6046 my $one_var = var $one_name;
6048 my $strip_subdir = 1;
6049 # If subdir prefix should be preserved, do so.
6050 if ($nodir_name =~ /^nobase_/)
6053 $nodir_name =~ s/^nobase_//;
6056 # If files should be distributed, do so.
6060 $dist_p = (($default_dist && $nodir_name !~ /^nodist_/)
6061 || (! $default_dist && $nodir_name =~ /^dist_/));
6062 $nodir_name =~ s/^(dist|nodist)_//;
6066 # Use the location of the currently processed variable.
6067 # We are not processing a particular condition, so pick the first
6069 my $tmpcond = $one_var->conditions->one_cond;
6070 my $where = $one_var->rdef ($tmpcond)->location->clone;
6072 # Append actual contents of where_PRIMARY variable to
6073 # @result, skipping @substitutions@.
6074 foreach my $locvals ($one_var->loc_and_value_as_list_recursive ('all'))
6076 my ($loc, $value) = @$locvals;
6077 # Skip configure substitutions.
6078 if ($value =~ /^\@.*\@$/)
6080 if ($nodir_name eq 'EXTRA')
6083 "`$one_name' contains configure substitution, "
6086 # Check here to make sure variables defined in
6087 # configure.ac do not imply that EXTRA_PRIMARY
6089 elsif (! defined $configure_vars{$one_name})
6091 $require_extra = $one_name
6097 push (@result, $locvals);
6100 # A blatant hack: we rewrite each _PROGRAMS primary to include
6102 append_exeext ($one_name)
6103 if $primary eq 'PROGRAMS';
6104 # "EXTRA" shouldn't be used when generating clean targets,
6105 # all, or install targets. We used to warn if EXTRA_FOO was
6106 # defined uselessly, but this was annoying.
6108 if $nodir_name eq 'EXTRA';
6110 if ($nodir_name eq 'check')
6112 push (@check, '$(' . $one_name . ')');
6116 push (@used, '$(' . $one_name . ')');
6119 # Is this to be installed?
6120 my $install_p = $nodir_name ne 'noinst' && $nodir_name ne 'check';
6122 # If so, with install-exec? (or install-data?).
6123 my $exec_p = ($nodir_name =~ /$EXEC_DIR_PATTERN/o);
6125 my $check_options_p = $install_p && !! option 'std-options';
6127 # Use the location of the currently processed variable as context.
6128 $where->push_context ("while processing `$one_name'");
6130 # Singular form of $PRIMARY.
6131 (my $one_primary = $primary) =~ s/S$//;
6132 $output_rules .= &file_contents ($file, $where,
6135 PRIMARY => $primary,
6136 ONE_PRIMARY => $one_primary,
6138 NDIR => $nodir_name,
6139 BASE => $strip_subdir,
6142 INSTALL => $install_p,
6144 'CK-OPTS' => $check_options_p);
6149 # The JAVA variable is used as the name of the Java interpreter.
6150 # The PYTHON variable is used as the name of the Python interpreter.
6151 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
6154 define_pretty_variable ($primary, TRUE, INTERNAL, @used);
6155 $output_vars .= "\n";
6158 err_var ($require_extra,
6159 "`$require_extra' contains configure substitution,\n"
6160 . "but `EXTRA_$primary' not defined")
6161 if ($require_extra && ! var ('EXTRA_' . $primary));
6163 # Push here because PRIMARY might be configure time determined.
6164 push (@all, '$(' . $primary . ')')
6165 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
6167 # Make the result unique. This lets the user use conditionals in
6168 # a natural way, but still lets us program lazily -- we don't have
6169 # to worry about handling a particular object more than once.
6170 # We will keep only one location per object.
6172 for my $pair (@result)
6174 my ($loc, $val) = @$pair;
6175 $result{$val} = $loc;
6177 my @l = sort keys %result;
6178 return map { [$result{$_}->clone, $_] } @l;
6182 ################################################################
6184 # Each key in this hash is the name of a directory holding a
6185 # Makefile.in. These variables are local to `is_make_dir'.
6187 my $make_dirs_set = 0;
6192 if (! $make_dirs_set)
6194 foreach my $iter (@configure_input_files)
6196 $make_dirs{dirname ($iter)} = 1;
6198 # We also want to notice Makefile.in's.
6199 foreach my $iter (@other_input_files)
6201 if ($iter =~ /Makefile\.in$/)
6203 $make_dirs{dirname ($iter)} = 1;
6208 return defined $make_dirs{$dir};
6211 ################################################################
6213 # This variable is local to the "require file" set of functions.
6214 my @require_file_paths = ();
6217 # &maybe_push_required_file ($DIR, $FILE, $FULLFILE)
6218 # --------------------------------------------------
6219 # See if we want to push this file onto dist_common. This function
6220 # encodes the rules for deciding when to do so.
6221 sub maybe_push_required_file
6223 my ($dir, $file, $fullfile) = @_;
6225 if ($dir eq $relative_dir)
6227 push_dist_common ($file);
6230 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
6232 # If we are doing the topmost directory, and the file is in a
6233 # subdir which does not have a Makefile, then we distribute it
6235 push_dist_common ($fullfile);
6242 # &require_file_internal ($WHERE, $MYSTRICT, @FILES)
6243 # --------------------------------------------------
6244 # Verify that the file must exist in the current directory.
6245 # $MYSTRICT is the strictness level at which this file becomes required.
6247 # Must set require_file_paths before calling this function.
6248 # require_file_paths is set to hold a single directory (the one in
6249 # which the first file was found) before return.
6250 sub require_file_internal ($$@)
6252 my ($where, $mystrict, @files) = @_;
6254 foreach my $file (@files)
6262 my $dangling_sym = 0;
6263 foreach my $dir (@require_file_paths)
6265 $fullfile = $dir . "/" . $file;
6266 $errdir = $dir unless $errdir;
6268 # Use different name for "error filename". Otherwise on
6269 # an error the bad file will be reported as e.g.
6270 # `../../install-sh' when using the default
6272 $errfile = $errdir . '/' . $file;
6274 if (-l $fullfile && ! -f $fullfile)
6279 elsif (-f $fullfile)
6282 maybe_push_required_file ($dir, $file, $fullfile);
6288 # `--force-missing' only has an effect if `--add-missing' is
6290 if ($found_it && (! $add_missing || ! $force_missing))
6292 # Prune the path list.
6293 @require_file_paths = $save_dir;
6297 # If we've already looked for it, we're done. You might
6298 # wonder why we don't do this before searching for the
6299 # file. If we do that, then something like
6300 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
6304 next if defined $require_file_found{$fullfile};
6305 $require_file_found{$fullfile} = 1;
6308 if ($strictness >= $mystrict)
6310 if ($dangling_sym && $add_missing)
6318 # Only install missing files according to our desired
6320 my $message = "required file `$errfile' not found";
6323 if (-f ("$libdir/$file"))
6327 # Install the missing file. Symlink if we
6328 # can, copy if we must. Note: delete the file
6329 # first, in case it is a dangling symlink.
6330 $message = "installing `$errfile'";
6331 # Windows Perl will hang if we try to delete a
6332 # file that doesn't exist.
6333 unlink ($errfile) if -f $errfile;
6334 if ($symlink_exists && ! $copy_missing)
6336 if (! symlink ("$libdir/$file", $errfile))
6339 $trailer = "; error while making link: $!";
6342 elsif (system ('cp', "$libdir/$file", $errfile))
6345 $trailer = "\n error while copying";
6349 if (! maybe_push_required_file (dirname ($errfile),
6354 # We have added the file but could not push it
6355 # into DIST_COMMON (probably because this is
6356 # an auxiliary file and we are not processing
6357 # the top level Makefile). This is unfortunate,
6358 # since it means we are using a file which is not
6361 # Get Automake to be run again: on the second
6362 # run the file will be found, and pushed into
6363 # the toplevel DIST_COMMON automatically.
6364 $automake_needs_to_reprocess_all_files = 1;
6368 # Prune the path list.
6369 @require_file_paths = &dirname ($errfile);
6372 # If --force-missing was specified, and we have
6373 # actually found the file, then do nothing.
6375 if $found_it && $force_missing;
6377 # If we couldn' install the file, but it is a target in
6378 # the Makefile, don't print anything. This allows files
6379 # like README, AUTHORS, or THANKS to be generated.
6381 if !$suppress && rule $file;
6383 msg ($suppress ? 'note' : 'error', $where, "$message$trailer");
6389 # &require_file ($WHERE, $MYSTRICT, @FILES)
6390 # -----------------------------------------
6391 sub require_file ($$@)
6393 my ($where, $mystrict, @files) = @_;
6394 @require_file_paths = $relative_dir;
6395 require_file_internal ($where, $mystrict, @files);
6398 # &require_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
6399 # -----------------------------------------------------------
6400 sub require_file_with_macro ($$$@)
6402 my ($cond, $macro, $mystrict, @files) = @_;
6403 $macro = rvar ($macro) unless ref $macro;
6404 require_file ($macro->rdef ($cond)->location, $mystrict, @files);
6408 # &require_conf_file ($WHERE, $MYSTRICT, @FILES)
6409 # ----------------------------------------------
6410 # Looks in configuration path, as specified by AC_CONFIG_AUX_DIR.
6411 sub require_conf_file ($$@)
6413 my ($where, $mystrict, @files) = @_;
6414 @require_file_paths = @config_aux_path;
6415 require_file_internal ($where, $mystrict, @files);
6416 my $dir = $require_file_paths[0];
6417 @config_aux_path = @require_file_paths;
6418 # Avoid unsightly '/.'s.
6419 $config_aux_dir = '$(top_srcdir)' . ($dir eq '.' ? "" : "/$dir");
6423 # &require_conf_file_with_macro ($COND, $MACRO, $MYSTRICT, @FILES)
6424 # ----------------------------------------------------------------
6425 sub require_conf_file_with_macro ($$$@)
6427 my ($cond, $macro, $mystrict, @files) = @_;
6428 require_conf_file (rvar ($macro)->rdef ($cond)->location,
6432 ################################################################
6434 # &require_build_directory ($DIRECTORY)
6435 # ------------------------------------
6436 # Emit rules to create $DIRECTORY if needed, and return
6437 # the file that any target requiring this directory should be made
6439 sub require_build_directory ($)
6441 my $directory = shift;
6442 my $dirstamp = "$directory/\$(am__dirstamp)";
6444 # Don't emit the rule twice.
6445 if (! defined $directory_map{$directory})
6447 $directory_map{$directory} = 1;
6449 # Set a variable for the dirstamp basename.
6450 define_pretty_variable ('am__dirstamp', TRUE, INTERNAL,
6451 '$(am__leading_dot)dirstamp');
6453 # Directory must be removed by `make distclean'.
6454 $clean_files{$dirstamp} = DIST_CLEAN;
6456 $output_rules .= ("$dirstamp:\n"
6457 . "\t\@\$(mkinstalldirs) $directory\n"
6458 . "\t\@: > $dirstamp\n");
6464 # &require_build_directory_maybe ($FILE)
6465 # --------------------------------------
6466 # If $FILE lies in a subdirectory, emit a rule to create this
6467 # directory and return the file that $FILE should be made
6468 # dependent upon. Otherwise, just return the empty string.
6469 sub require_build_directory_maybe ($)
6472 my $directory = dirname ($file);
6474 if ($directory ne '.')
6476 return require_build_directory ($directory);
6484 ################################################################
6486 # Push a list of files onto dist_common.
6487 sub push_dist_common
6489 prog_error "push_dist_common run after handle_dist"
6490 if $handle_dist_run;
6491 Automake::Variable::define ('DIST_COMMON', VAR_AUTOMAKE, '+', TRUE, "@_",
6492 '', INTERNAL, VAR_PRETTY);
6496 ################################################################
6498 # generate_makefile ($OUTPUT, $MAKEFILE)
6499 # --------------------------------------
6500 # Generate a Makefile.in given the name of the corresponding Makefile and
6501 # the name of the file output by config.status.
6502 sub generate_makefile ($$)
6504 my ($output, $makefile) = @_;
6506 # Reset all the Makefile.am related variables.
6507 initialize_per_input;
6509 # AUTOMAKE_OPTIONS can contains -W flags to disable or enable
6510 # warnings for this file. So hold any warning issued before
6511 # we have processed AUTOMAKE_OPTIONS.
6512 buffer_messages ('warning');
6514 # Name of input file ("Makefile.am") and output file
6515 # ("Makefile.in"). These have no directory components.
6516 $am_file_name = basename ($makefile) . '.am';
6517 $in_file_name = basename ($makefile) . '.in';
6519 # $OUTPUT is encoded. If it contains a ":" then the first element
6520 # is the real output file, and all remaining elements are input
6521 # files. We don't scan or otherwise deal with these input files,
6522 # other than to mark them as dependencies. See
6523 # &scan_autoconf_files for details.
6524 my (@secondary_inputs);
6525 ($output, @secondary_inputs) = split (/:/, $output);
6527 $relative_dir = dirname ($output);
6528 $am_relative_dir = dirname ($makefile);
6530 read_main_am_file ($makefile . '.am');
6533 # Process buffered warnings.
6535 # Fatal error. Just return, so we can continue with next file.
6538 # Process buffered warnings.
6541 # There are a few install-related variables that you should not define.
6542 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
6547 my $def = $v->def (TRUE);
6548 prog_error "$var not defined in condition TRUE"
6550 reject_var $var, "`$var' should not be defined"
6551 if $def->owner != VAR_AUTOMAKE;
6555 # Catch some obsolete variables.
6556 msg_var ('obsolete', 'INCLUDES',
6557 "`INCLUDES' is the old name for `AM_CPPFLAGS'")
6558 if var ('INCLUDES');
6560 # At the toplevel directory, we might need config.guess, config.sub
6561 # or libtool scripts (ltconfig and ltmain.sh).
6562 if ($relative_dir eq '.')
6564 # AC_CANONICAL_HOST and AC_CANONICAL_SYSTEM need config.guess and
6566 require_conf_file ($canonical_location, FOREIGN,
6567 'config.guess', 'config.sub')
6571 # Must do this after reading .am file.
6572 define_variable ('subdir', $relative_dir, INTERNAL);
6574 # Check first, because we might modify some state.
6576 check_gnu_standards;
6577 check_gnits_standards;
6579 handle_configure ($output, $makefile, @secondary_inputs);
6586 # This must run first so that the ANSI2KNR definition is generated
6587 # before it is used by the _.c rules. We have to do this because
6588 # a variable which is used in a dependency must be defined before
6589 # the target, or else make won't properly see it.
6591 # This must be run after all the sources are scanned.
6594 # We have to run this after dealing with all the programs.
6597 # Variables used by distdir.am and tags.am.
6598 define_pretty_variable ('SOURCES', TRUE, INTERNAL, @sources);
6599 define_pretty_variable ('DIST_SOURCES', TRUE, INTERNAL, @dist_sources);
6611 handle_minor_options;
6614 # This must come after most other rules.
6615 handle_dist ($makefile);
6618 do_check_merge_target;
6619 handle_all ($output);
6622 if (var ('lib_LTLIBRARIES') && var ('bin_PROGRAMS'))
6624 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
6629 handle_factored_dependencies;
6631 # Comes last, because all the above procedures may have
6632 # defined or overridden variables.
6633 $output_vars .= output_variables;
6637 if (! -d ($output_directory . '/' . $am_relative_dir))
6639 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
6642 my ($out_file) = $output_directory . '/' . $makefile . ".in";
6644 # We make sure that `all:' is the first target.
6646 "$output_vars$output_all$output_header$output_rules$output_trailer";
6648 # Decide whether we must update the output file or not.
6649 # We have to update in the following situations.
6650 # * $force_generation is set.
6651 # * any of the output dependencies is younger than the output
6652 # * the contents of the output is different (this can happen
6653 # if the project has been populated with a file listed in
6654 # @common_files since the last run).
6655 # Output's dependencies are split in two sets:
6656 # * dependencies which are also configure dependencies
6657 # These do not change between each Makefile.am
6658 # * other dependencies, specific to the Makefile.am being processed
6659 # (such as the Makefile.am itself, or any Makefile fragment
6661 my $timestamp = mtime $out_file;
6662 if (! $force_generation
6663 && $configure_deps_greatest_timestamp < $timestamp
6664 && $output_deps_greatest_timestamp < $timestamp
6665 && $output eq contents ($out_file))
6667 verb "$out_file unchanged";
6668 # No need to update.
6675 or fatal "cannot remove $out_file: $!\n";
6678 my $gm_file = new Automake::XFile "> $out_file";
6679 verb "creating $out_file";
6680 print $gm_file $output;
6683 ################################################################
6688 ################################################################
6690 # Print usage information.
6693 print "Usage: $0 [OPTION] ... [Makefile]...
6695 Generate Makefile.in for configure from Makefile.am.
6698 --help print this help, then exit
6699 --version print version number, then exit
6700 -v, --verbose verbosely list files processed
6701 --no-force only update Makefile.in's that are out of date
6702 -W, --warnings=CATEGORY report the warnings falling in CATEGORY
6704 Dependency tracking:
6705 -i, --ignore-deps disable dependency tracking code
6706 --include-deps enable dependency tracking code
6709 --cygnus assume program is part of Cygnus-style tree
6710 --foreign set strictness to foreign
6711 --gnits set strictness to gnits
6712 --gnu set strictness to gnu
6715 -a, --add-missing add missing standard files to package
6716 --libdir=DIR directory storing library files
6717 -c, --copy with -a, copy missing files (default is symlink)
6718 -f, --force-missing force update of standard files
6721 Automake::ChannelDefs::usage;
6725 foreach my $iter (sort ((@common_files, @common_sometimes)))
6727 push (@lcomm, $iter) unless $iter eq $last;
6732 print "\nFiles which are automatically distributed, if found:\n";
6733 format USAGE_FORMAT =
6734 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
6735 $four[0], $four[1], $four[2], $four[3]
6737 $~ = "USAGE_FORMAT";
6740 my $rows = int(@lcomm / $cols);
6741 my $rest = @lcomm % $cols;
6752 for (my $y = 0; $y < $rows; $y++)
6754 @four = ("", "", "", "");
6755 for (my $x = 0; $x < $cols; $x++)
6757 last if $y + 1 == $rows && $x == $rest;
6759 my $idx = (($x > $rest)
6760 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
6764 $four[$x] = $lcomm[$idx];
6769 print "\nReport bugs to <bug-automake\@gnu.org>.\n";
6771 # --help always returns 0 per GNU standards.
6778 # Print version information
6782 automake (GNU $PACKAGE) $VERSION
6783 Written by Tom Tromey <tromey\@redhat.com>.
6785 Copyright 2003 Free Software Foundation, Inc.
6786 This is free software; see the source for copying conditions. There is NO
6787 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
6789 # --version always returns 0 per GNU standards.
6793 ################################################################
6795 # Parse command line.
6796 sub parse_arguments ()
6799 set_strictness ('gnu');
6801 my $cli_where = new Automake::Location;
6804 'libdir:s' => \$libdir,
6805 'gnu' => sub { set_strictness ('gnu'); },
6806 'gnits' => sub { set_strictness ('gnits'); },
6807 'cygnus' => sub { set_global_option ('cygnus', $cli_where); },
6808 'foreign' => sub { set_strictness ('foreign'); },
6809 'include-deps' => sub { unset_global_option ('no-dependencies'); },
6810 'i|ignore-deps' => sub { set_global_option ('no-dependencies',
6812 'no-force' => sub { $force_generation = 0; },
6813 'f|force-missing' => \$force_missing,
6814 'o|output-dir:s' => \$output_directory,
6815 'a|add-missing' => \$add_missing,
6816 'c|copy' => \$copy_missing,
6817 'v|verbose' => sub { setup_channel 'verb', silent => 0; },
6818 'W|warnings:s' => \&parse_warnings,
6819 # These long options (--Werror and --Wno-error) for backward
6820 # compatibility. Use -Werror and -Wno-error today.
6821 'Werror' => sub { parse_warnings 'W', 'error'; },
6822 'Wno-error' => sub { parse_warnings 'W', 'no-error'; },
6825 Getopt::Long::config ("bundling", "pass_through");
6827 # See if --version or --help is used. We want to process these before
6828 # anything else because the GNU Coding Standards require us to
6829 # `exit 0' after processing these options, and we can't guarantee this
6830 # if we treat other options first. (Handling other options first
6831 # could produce error diagnostics, and in this condition it is
6832 # confusing if Automake does `exit 0'.)
6833 my %cli_options_1st_pass =
6835 'version' => \&version,
6837 # Recognize all other options (and their arguments) but do nothing.
6838 map { $_ => sub {} } (keys %cli_options)
6840 my @ARGV_backup = @ARGV;
6841 Getopt::Long::GetOptions %cli_options_1st_pass
6843 @ARGV = @ARGV_backup;
6845 # Now *really* process the options. This time we know
6846 # that --help and --version are not present.
6847 Getopt::Long::GetOptions %cli_options
6850 if (defined $output_directory)
6852 msg 'obsolete', "`--output-dir' is deprecated\n";
6856 # In the next release we'll remove this entirely.
6857 $output_directory = '.';
6860 foreach my $arg (@ARGV)
6864 fatal ("unrecognized option `$arg'\n"
6865 . "Try `$0 --help' for more information.");
6868 # Handle $local:$input syntax. Note that we only examine the
6869 # first ":" file to see if it is automake input; the rest are
6870 # just taken verbatim. We still keep all the files around for
6871 # dependency checking, however.
6872 my ($local, $input, @rest) = split (/:/, $arg);
6879 # Strip .in; later on .am is tacked on. That is how the
6880 # automake input file is found. Maybe not the best way, but
6881 # it is easy to explain.
6883 or fatal "invalid input file name `$arg'\n.";
6885 push (@input_files, $input);
6886 $output_files{$input} = join (':', ($local, @rest));
6890 ################################################################
6892 # Parse the WARNINGS environment variable.
6895 # Parse command line.
6898 # Do configure.ac scan only once.
6899 scan_autoconf_files;
6901 fatal "no `Makefile.am' found or specified\n"
6904 my $automake_has_run = 0;
6908 if ($automake_has_run)
6910 verb 'processing Makefiles another time to fix them up.';
6911 prog_error 'running more than two times should never be needed.'
6912 if $automake_has_run >= 2;
6914 $automake_needs_to_reprocess_all_files = 0;
6916 # Now do all the work on each file.
6917 foreach my $file (@input_files)
6920 if (! -f ($am_file . '.am'))
6922 error "`$am_file.am' does not exist";
6926 # Any warning setting now local to this Makefile.am.
6929 generate_makefile ($output_files{$am_file}, $am_file);
6931 # Back out any warning setting.
6935 ++$automake_has_run;
6937 while ($automake_needs_to_reprocess_all_files);
6942 ### Setup "GNU" style for perl-mode and cperl-mode.
6944 ## perl-indent-level: 2
6945 ## perl-continued-statement-offset: 2
6946 ## perl-continued-brace-offset: 0
6947 ## perl-brace-offset: 0
6948 ## perl-brace-imaginary-offset: 0
6949 ## perl-label-offset: -2
6950 ## cperl-indent-level: 2
6951 ## cperl-brace-offset: 0
6952 ## cperl-continued-brace-offset: 0
6953 ## cperl-label-offset: -2
6954 ## cperl-extra-newline-before-brace: t
6955 ## cperl-merge-trailing-else: nil
6956 ## cperl-continued-statement-offset: 2