5 eval 'exec @PERL@ -S $0 ${1+"$@"}'
8 # automake - create Makefile.in from Makefile.am
9 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
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@cygnus.com>.
32 # Parameters set by configure. Not to be changed. NOTE: assign
33 # VERSION as string so that eg version 0.30 will print correctly.
34 $VERSION = "@VERSION@";
35 $PACKAGE = "@PACKAGE@";
37 $am_dir = "@datadir@/@PACKAGE@";
40 $IGNORE_PATTERN = "^##([^#].*)?\$";
41 $WHITE_PATTERN = "^[ \t]*\$";
42 $COMMENT_PATTERN = "^#";
43 $RULE_PATTERN = "^([\$a-zA-Z_.][-.a-zA-Z0-9_(){}/\$]*) *:([^=].*|)\$";
44 $SUFFIX_RULE_PATTERN = "^\\.([a-zA-Z0-9]+)\\.([a-zA-Z0-9]+)\$";
45 # Only recognize leading spaces, not leading tabs. If we recognize
46 # leading tabs here then we need to make the reader smarter, because
47 # otherwise it will think rules like `foo=bar; \' are errors.
48 $MACRO_PATTERN = "^ *([A-Za-z0-9_]+)[ \t]*([:+]?)=[ \t]*(.*)\$";
49 $BOGUS_MACRO_PATTERN = "^ *([^ \t]*)[ \t]*([:+]?)=[ \t]*(.*)\$";
50 $GNITS_VERSION_PATTERN = "[0-9]+\\.[0-9]+([a-z]|\\.[0-9]+)?";
51 $IF_PATTERN = "^if[ \t]+\([A-Za-z][A-Za-z0-9_]*\)[ \t]*\(#.*\)?\$";
52 $ELSE_PATTERN = "^else[ \t]*\(#.*\)?\$";
53 $ENDIF_PATTERN = "^endif[ \t]*\(#.*\)?\$";
54 $PATH_PATTERN='(\\w|[/.-])+';
55 # This will pass through anything not of the prescribed form.
56 $INCLUDE_PATTERN = "^include[ \t]+((\\\$\\\(top_srcdir\\\)/${PATH_PATTERN})|(\\\$\\\(srcdir\\\)/${PATH_PATTERN})|([^/\\\$]${PATH_PATTERN}))[ \t]*(#.*)?\$";
58 # Some regular expressions. One reason to put them here is that it
59 # makes indentation work better in Emacs.
60 $AC_CONFIG_AUX_DIR_PATTERN = "AC_CONFIG_AUX_DIR\\(([^)]+)\\)";
61 $AM_INIT_AUTOMAKE_PATTERN = "AM_INIT_AUTOMAKE\\([^,]*,([^,)]+)[,)]";
62 $AM_PACKAGE_VERSION_PATTERN = "^\\s*\\[?([^]\\s]+)\\]?\\s*\$";
63 # Note that there is no AC_PATH_TOOL. But we don't really care.
64 $AC_CHECK_PATTERN = "AC_(CHECK|PATH)_(PROG|PROGS|TOOL)\\(\\[?(\\w+)";
65 $AM_MISSING_PATTERN = "AM_MISSING_PROG\\(\\[?(\\w+)";
66 # Just check for alphanumeric in AC_SUBST. If you do AC_SUBST(5),
68 $AC_SUBST_PATTERN = "AC_SUBST\\(\\[?(\\w+)";
69 $AM_CONDITIONAL_PATTERN = "AM_CONDITIONAL\\((\\w+)";
71 # Constants to define the "strictness" level.
76 # These constants are returned by lang_*_rewrite functions.
77 # LANG_SUBDIR means that the resulting object file should be in a
78 # subdir if the source file is. In this case the file name cannot
79 # have `..' components.
86 # Variables global to entire run.
88 # Variables related to the options.
90 # TRUE if we should always generate Makefile.in.
91 $force_generation = 1;
93 # Strictness level as set on command line.
94 $default_strictness = $GNU;
96 # Name of strictness level, as set on command line.
97 $default_strictness_name = 'gnu';
99 # This is TRUE if automatic dependency generation code should be
100 # included in generated Makefile.in.
101 $cmdline_use_dependencies = 1;
103 # TRUE if in verbose mode.
106 # This holds our (eventual) exit status. We don't actually exit until
107 # we have processed all input files.
110 # From the Perl manual.
111 $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
113 # TRUE if missing standard files should be installed.
116 # TRUE if we should copy missing files; otherwise symlink if possible.
119 # TRUE if we should always update files that we know about.
123 # Variables filled during files scanning.
125 # Name of the top autoconf input: `configure.ac' or `configure.in'.
128 # Files found by scanning configure.ac for LIBOBJS.
131 # True if AM_C_PROTOTYPES appears in configure.ac.
132 $am_c_prototypes = 0;
134 # Names used in AC_CONFIG_HEADER call. @config_fullnames holds the
135 # name which appears in AC_CONFIG_HEADER, colon and all.
136 # @config_names holds the file names. @config_headers holds the '.in'
137 # files. Ordinarily these are similar, but they can be different if
138 # the weird "NAME:FILE" syntax is used.
139 @config_fullnames = ();
141 @config_headers = ();
142 # Line number at which AC_CONFIG_HEADER appears in configure.ac.
143 $config_header_line = 0;
145 # Directory where output files go. Actually, output files are
146 # relative to this directory.
147 $output_directory = '.';
149 # Relative location of top build directory.
152 # List of Makefile.am's to process, and their corresponding outputs.
156 # Complete list of Makefile.am's that exist.
157 @configure_input_files = ();
159 # List of files in AC_OUTPUT without Makefile.am, and their outputs.
160 @other_input_files = ();
161 # Line number at which AC_OUTPUT seen.
164 # List of directories to search for configure-required files. This
165 # can be set by AC_CONFIG_AUX_DIR.
166 @config_aux_path = ('.', '..', '../..');
167 $config_aux_dir = '';
169 # Whether AC_PROG_MAKE_SET has been seen in configure.ac.
172 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
174 # Line number at which AM_GNU_GETTEXT seen.
175 $ac_gettext_line = 0;
177 # Whether ALL_LINGUAS has been seen.
181 # Line number at which it appears.
182 $all_linguas_line = 0;
184 # 1 if AC_PROG_INSTALL seen.
185 $seen_prog_install = 0;
187 # Whether AC_PATH_XTRA has been seen in configure.ac.
190 # TRUE if AC_DECL_YYTEXT was seen.
191 $seen_decl_yytext = 0;
193 # TRUE if we've seen AC_CANONICAL_(HOST|SYSTEM). The presence of
194 # AC_CHECK_TOOL also sets this.
197 # TRUE if we've seen AC_ARG_PROGRAM.
200 # TRUE if we've seen AC_PROG_LIBTOOL.
204 # Files installed by libtoolize.
205 @libtoolize_files = ('ltmain.sh', 'config.guess', 'config.sub');
206 # ltconfig appears here for compatibility with old versions of libtool.
207 @libtoolize_sometimes = ('ltconfig', 'ltcf-c.sh', 'ltcf-cxx.sh',
210 # TRUE if we've seen AM_MAINTAINER_MODE.
211 $seen_maint_mode = 0;
213 # Actual version we've seen.
214 $package_version = '';
216 # Line number where we saw version definition.
217 $package_version_line = 0;
219 # TRUE if we've seen AM_PATH_LISPDIR.
222 # TRUE if we've seen AM_CHECK_PYTHON.
225 # TRUE if we've seen AC_EXEEXT.
228 # TRUE if we've seen AC_OBJEXT.
231 # TRUE if we've seen AC_ENABLE_MULTILIB.
234 # TRUE if we've seen AM_PROG_CC_C_O
237 # TRUE if we've seen AM_INIT_AUTOMAKE.
238 $seen_init_automake = 0;
240 # Hash table of discovered configure substitutions. Keys are names,
241 # values are `FILE:LINE' strings which are used by error message
243 %configure_vars = ();
245 # This is used to keep track of which variable definitions we are
246 # scanning. It is only used in certain limited ways, but it has to be
247 # global. It is declared just for documentation purposes.
250 # Charsets used by maintainer and in distribution. MAINT_CHARSET is
251 # handled in a funny way: if seen in the top-level Makefile.am, it is
252 # used for every directory which does not specify a different value.
253 # The rationale here is that some directories (eg gettext) might be
254 # distributions of other packages, and thus require their own charset
255 # info. However, the DIST_CHARSET must be the same for the entire
256 # package; it can only be set at top-level.
257 # FIXME: this yields bugs when rebuilding. What to do? Always
258 # read (and sometimes discard) top-level Makefile.am?
260 $dist_charset = 'utf8'; # recode doesn't support this yet.
262 # Name of input file ("Makefile.in") and output file ("Makefile.am").
263 # These have no directory components.
267 # TRUE if --cygnus seen.
270 # Hash table of AM_CONDITIONAL variables seen in configure.
271 %configure_cond = ();
273 # Map from obsolete macros to hints for new macros.
274 # If you change this, change the corresponding list in aclocal.in.
275 # FIXME: should just put this into a single file.
278 'AC_FEATURE_CTYPE', "use \`AC_HEADER_STDC'",
279 'AC_FEATURE_ERRNO', "add \`strerror' to \`AC_REPLACE_FUNCS(...)'",
280 'AC_FEATURE_EXIT', '',
281 'AC_SYSTEM_HEADER', '',
283 # Note that we do not handle this one, because it is still run
284 # from AM_CONFIG_HEADER. So we deal with it specially in
285 # &scan_autoconf_files.
286 # 'AC_CONFIG_HEADER', "use \`AM_CONFIG_HEADER'",
288 'fp_C_PROTOTYPES', "use \`AM_C_PROTOTYPES'",
289 'fp_PROG_CC_STDC', "use \`AM_PROG_CC_STDC'",
290 'fp_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
291 'fp_WITH_DMALLOC', "use \`AM_WITH_DMALLOC'",
292 'fp_WITH_REGEX', "use \`AM_WITH_REGEX'",
293 'gm_PROG_LIBTOOL', "use \`AM_PROG_LIBTOOL'",
294 'jm_MAINTAINER_MODE', "use \`AM_MAINTAINER_MODE'",
295 'md_TYPE_PTRDIFF_T', "use \`AM_TYPE_PTRDIFF_T'",
296 'ud_PATH_LISPDIR', "use \`AM_PATH_LISPDIR'",
297 'ud_GNU_GETTEXT', "use \`AM_GNU_GETTEXT'",
299 # Now part of autoconf proper, under a different name.
300 'AM_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
301 'fp_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
302 'AM_SANITY_CHECK_CC', "automatically done by \`AC_PROG_CC'",
303 'AM_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
304 'AM_EXEEXT', "use \`AC_EXEEXT'",
305 'AM_CYGWIN32', "use \`AC_CYGWIN'",
306 'AM_MINGW32', "use \`AC_MINGW32'",
307 'AM_FUNC_MKTIME', "use \`AC_FUNC_MKTIME'",
309 # These aren't quite obsolete.
313 # Regexp to match the above macros.
314 $obsolete_rx = '(\b' . join ('\b|\b', keys %obsolete_macros) . '\b)';
316 # This maps extensions onto language names.
319 # This maps languages names onto properties.
322 # This holds all the files that would go in `dist_common' which we
323 # discovered while scanning configure.ac. We might distribute these
324 # in the top-level Makefile.in.
325 %configure_dist_common = ();
329 # Initialize global constants and our list of languages that are
330 # internally supported.
331 &initialize_global_constants;
333 ®ister_language ('c', 'ansi-p=1', 'autodep=', 'flags=CFLAGS',
334 'compile=$(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
335 'compiler-name=COMPILE',
338 ®ister_language ('cxx', 'linker=CXXLINK', 'autodep=CXX', 'flags=CXXFLAGS',
339 'compile=$(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
340 'compiler-name=CXXCOMPILE',
341 'output-arg=-c -o $@',
342 'c++', 'cc', 'cpp', 'cxx', 'C');
343 ®ister_language ('objc', 'linker=OBJCLINK', 'autodep=OBJC',
345 'compile=$(OBJC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
346 'compiler-name=OBJCCOMPILE',
347 'output-arg=-c -o $@',
349 ®ister_language ('header',
350 'h', 'H', 'hxx', 'h++', 'hh', 'hpp', 'inc');
352 # For now, yacc and lex can't be handled on a per-exe basis.
353 ®ister_language ('yacc', 'ansi-p=1', 'derived-autodep=yes',
355 ®ister_language ('yaccxx', 'linker=CXXLINK', 'derived-autodep=yes',
356 'y++', 'yy', 'yxx', 'ypp');
357 ®ister_language ('lex', 'ansi-p=1', 'derived-autodep=yes',
359 ®ister_language ('lexxx', 'linker=CXXLINK', 'derived-autodep=yes',
360 'l++', 'll', 'lxx', 'lpp');
362 ®ister_language ('asm',
363 'flags=CFLAGS', # FIXME: asmflags?
364 'compile=$(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)', # FIXME: a different compiler?
365 'compiler-name=COMPILE',
369 ®ister_language ('f77', 'linker=F77LINK', 'flags=FFLAGS',
370 'compile=$(F77) $(AM_FFLAGS) $(FFLAGS)',
371 'compiler-name=F77COMPILE',
372 'output-arg=-c -o $@',
374 ®ister_language ('ppf77', 'linker=F77LINK', 'flags=FFLAGS',
375 'compile=$(F77) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
376 'compiler-name=PPF77COMPILE',
377 'output-arg=-c -o $@',
379 ®ister_language ('ratfor', 'linker=F77LINK',
380 'flags=RFLAGS', # FIXME also FFLAGS.
381 'compile=$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
382 'compiler-name=RCOMPILE',
383 'output-arg=-c -o $@',
385 # FIXME: for now we can't do dependency tracking for Java.
387 ®ister_language ('java', 'linker=GCJLINK', 'flags=GCJFLAGS',
388 'compile=$(GCJ) $(DEFS) $(INCLUDES) $(AM_GCJFLAGS) $(GCJFLAGS)',
389 'compiler-name=GCJCOMPILE',
390 'output-arg=-c -o $@',
391 'java', 'class', 'zip', 'jar');
394 # Parse command line.
395 &parse_arguments (@ARGV);
397 # Do configure.ac scan only once.
398 &scan_autoconf_files;
400 die "automake: no \`Makefile.am' found or specified\n"
403 # Now do all the work on each file.
404 foreach $am_file (@input_files)
406 if (! -f ($am_file . '.am'))
408 &am_error ("\`" . $am_file . ".am' does not exist");
412 &generate_makefile ($output_files{$am_file}, $am_file);
416 &am_conf_error ("AC_PROG_INSTALL must be used")
417 if (! $seen_prog_install);
422 ################################################################
425 # prog_error (@PRINT-ME)
426 # ----------------------
427 # Signal a programming error, display PRINT-ME, and exit 1.
430 print STDERR "automake: programming error: @_\n";
435 ################################################################
437 # Parse command line.
440 local (@arglist) = @_;
443 &set_strictness ('gnu');
447 if ($arglist[0] eq "--version")
449 print "automake (GNU $PACKAGE) $VERSION\n\n";
450 print "Copyright 2000 Free Software Foundation, Inc.\n";
451 print "This is free software; see the source for copying conditions. There is NO\n";
452 print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n";
453 print "Written by Tom Tromey <tromey\@cygnus.com>\n";
457 elsif ($arglist[0] eq "--help")
461 elsif ($arglist[0] =~ /^--amdir=(.+)$/)
465 elsif ($arglist[0] eq '--amdir')
467 &require_argument (@arglist);
469 $am_dir = $arglist[0];
471 elsif ($arglist[0] eq '--gnu')
473 &set_strictness ('gnu');
475 elsif ($arglist[0] eq '--gnits')
477 &set_strictness ('gnits');
479 elsif ($arglist[0] eq '--cygnus')
483 elsif ($arglist[0] eq '--foreign')
485 &set_strictness ('foreign');
487 elsif ($arglist[0] eq '--include-deps')
489 $cmdline_use_dependencies = 1;
491 elsif ($arglist[0] eq '--ignore-deps' || $arglist[0] eq '-i')
493 $cmdline_use_dependencies = 0;
495 elsif ($arglist[0] eq '--no-force')
497 $force_generation = 0;
499 elsif ($arglist[0] eq '--force-missing')
503 elsif ($arglist[0] =~ /^--output-dir=(.*)$/)
505 # Set output directory.
506 $output_directory = $1;
508 elsif ($arglist[0] eq '--output-dir' || $arglist[0] eq '-o')
510 &require_argument (@arglist);
512 $output_directory = $arglist[0];
514 elsif ($arglist[0] eq '--add-missing' || $arglist[0] eq '-a')
518 elsif ($arglist[0] eq '--copy' || $arglist[0] eq '-c')
522 elsif ($arglist[0] eq '--verbose' || $arglist[0] eq '-v')
526 elsif ($arglist[0] eq '--')
528 # Stop option processing.
530 push (@input_files, @arglist);
533 elsif ($arglist[0] =~ /^-/)
535 die "automake: unrecognized option -- \`$arglist[0]'\nTry \`automake --help' for more information.\n";
539 # Handle $local:$input syntax. Note that we only examine
540 # the first ":" file to see if it is automake input; the
541 # rest are just taken verbatim. We still keep all the
542 # files around for dependency checking, however.
543 local ($local, $input, @rest) = split (/:/, $arglist[0]);
550 # Strip .in; later on .am is tacked on. That is how
551 # the automake input file is found. Maybe not the
552 # best way, but it is easy to explain. FIXME: should
553 # be error if .in is missing.
556 push (@input_files, $input);
557 $output_files{$input} = join (':', ($local, @rest));
563 # Take global strictness from whatever we currently have set.
564 $default_strictness = $strictness;
565 $default_strictness_name = $strictness_name;
568 # Ensure argument exists, or die.
571 local ($arg, @arglist) = @_;
572 die "automake: no argument given for option \`$arg'\n"
576 ################################################################
578 # Generate a Makefile.in given the name of the corresponding Makefile and
579 # the name of the file output by config.status.
580 sub generate_makefile
582 local ($output, $makefile) = @_;
584 ($am_file_name = $makefile) =~ s/^.*\///;
585 $in_file_name = $am_file_name . '.in';
586 $am_file_name .= '.am';
588 # $OUTPUT is encoded. If it contains a ":" then the first element
589 # is the real output file, and all remaining elements are input
590 # files. We don't scan or otherwise deal with these input file,
591 # other than to mark them as dependencies. See
592 # &scan_autoconf_files for details.
593 local (@secondary_inputs);
594 ($output, @secondary_inputs) = split (/:/, $output);
596 &initialize_per_input;
597 $relative_dir = &dirname ($output);
598 $am_relative_dir = &dirname ($makefile);
600 # At the toplevel directory, we might need config.guess, config.sub
601 # or libtool scripts (ltconfig and ltmain.sh).
602 if ($relative_dir eq '.')
604 # libtool requires some files.
605 &require_conf_file_with_conf_line ($libtool_line, $FOREIGN,
609 # AC_CANONICAL_HOST and AC_CANONICAL_SYSTEM need config.guess and
611 &require_config_file ($FOREIGN, 'config.guess', 'config.sub')
615 # We still need Makefile.in here, because sometimes the `dist'
616 # target doesn't re-run automake.
617 if ($am_relative_dir eq $relative_dir)
619 # Only distribute the files if they are in the same subdir as
620 # the generated makefile.
621 &push_dist_common ($in_file_name, $am_file_name);
624 push (@sources, '$(SOURCES)')
625 if &variable_defined ('SOURCES');
626 push (@objects, '$(OBJECTS)')
627 if &variable_defined ('OBJECTS');
629 &read_main_am_file ($makefile . '.am');
632 # Fatal error. Just return, so we can continue with next file.
636 # Must do this after reading .am file. See read_main_am_file to
637 # understand weird tricks we play there with variables.
638 &define_variable ('subdir', $relative_dir);
640 # Check first, because we might modify some state.
642 &check_gnu_standards;
643 &check_gnits_standards;
645 &handle_configure ($output, $makefile, @secondary_inputs);
652 # This must be run after all the sources are scanned.
655 # Re-init SOURCES and OBJECTS. FIXME: other code shouldn't depend
656 # on this (but currently does).
657 $contents{'SOURCES'} = join (' ', @sources);
658 $contents{'OBJECTS'} = join (' ', @objects);
659 &define_pretty_variable ('DIST_SOURCES', '', @dist_sources);
671 &handle_minor_options;
672 &handle_dependencies;
675 # This must come after most other rules.
676 &handle_dist ($makefile);
679 &handle_merge_targets ($output);
686 if (! -d ($output_directory . '/' . $am_relative_dir))
688 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
691 local ($out_file) = $output_directory . '/' . $makefile . ".in";
692 if (! $force_generation && -e $out_file)
694 local ($am_time) = (stat ($makefile . '.am'))[9];
695 local ($in_time) = (stat ($out_file))[9];
696 # FIXME: should cache these times.
697 local ($conf_time) = (stat ($configure_ac))[9];
698 # FIXME: how to do unsigned comparison?
699 if ($am_time < $in_time || $am_time < $conf_time)
706 local ($acl_time) = (stat _)[9];
707 return if ($am_time < $acl_time);
711 if (! open (GM_FILE, "> " . $out_file))
713 warn "automake: ${am_file}.in: cannot write: $!\n";
717 print "automake: creating ", $makefile, ".in\n" if $verbose;
719 # In case we're running under MSWindows, don't write with CRLF
720 # (as it causes problems for the dependency-file extraction in
721 # AM_OUTPUT_DEPENDENCY_COMMANDS).
724 print GM_FILE $output_vars;
725 # We make sure that `all:' is the first target.
726 print GM_FILE $output_all;
727 print GM_FILE $output_header;
728 print GM_FILE $output_rules;
729 print GM_FILE $output_trailer;
731 if (! close (GM_FILE))
733 warn "automake: $am_file.in: cannot close: $!\n";
739 ################################################################
741 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
744 if (&variable_defined ('AUTOMAKE_OPTIONS'))
746 foreach (&variable_value_as_list ('AUTOMAKE_OPTIONS', ''))
749 if ($_ eq 'gnits' || $_ eq 'gnu' || $_ eq 'foreign')
751 &set_strictness ($_);
753 elsif ($_ eq 'cygnus')
759 # An option like "../lib/ansi2knr" is allowed. With
760 # no path prefix, we assume the required programs are
761 # in this directory. We save the actual option for
763 $options{'ansi2knr'} = $_;
765 elsif ($_ eq 'no-installman' || $_ eq 'no-installinfo'
766 || $_ eq 'dist-shar' || $_ eq 'dist-zip'
767 || $_ eq 'dist-tarZ' || $_ eq 'dist-bzip2'
768 || $_ eq 'dejagnu' || $_ eq 'no-texinfo.tex'
769 || $_ eq 'readme-alpha' || $_ eq 'check-news'
770 || $_ eq 'subdir-objects' || $_ eq 'nostdinc')
772 # Explicitly recognize these.
774 elsif ($_ eq 'no-dependencies')
776 $use_dependencies = 0;
778 elsif (/([0-9]+)\.([0-9]+)([a-z])?/)
780 # Got a version number.
782 local ($rmajor, $rminor, $ralpha) = ($1, $2, $3);
784 &prog_error ("version is incorrect: $VERSION")
785 if $VERSION !~ /([0-9]+)\.([0-9]+)([a-z])?/;
787 local ($tmajor, $tminor, $talpha) = ($1, $2, $3);
789 # 2.0 is better than 1.0.
790 # 1.2 is better than 1.1.
791 # 1.2a is better than 1.2.
792 if ($rmajor > $tmajor
793 || ($rmajor == $tmajor && $rminor > $tminor)
794 || ($rminor == $tminor && $rminor == $tminor
795 && $ralpha gt $talpha))
797 &am_line_error ('AUTOMAKE_OPTIONS',
798 "require version $_, only have $VERSION");
804 &am_line_error ('AUTOMAKE_OPTIONS',
805 "option \`" . $_ . "\' not recognized");
810 if ($strictness == $GNITS)
812 $options{'readme-alpha'} = 1;
813 $options{'check-news'} = 1;
820 # get_object_extension ($OUT)
821 # ---------------------------
822 # Return object extension. Just once, put some code into the output.
823 # OUT is the name of the output file
824 sub get_object_extension
828 # Maybe require libtool library object files.
829 local ($extension) = '.o';
830 $extension = '.$(OBJEXT)' if $seen_objext;
831 $extension = '.lo' if ($out =~ /\.la$/);
833 if (! $included_generic_compile)
836 local ($default_include) = '';
837 if (! defined $options{'nostdinc'})
839 $default_include = ' -I. -I$(srcdir)';
841 if (&variable_defined ('CONFIG_HEADER'))
844 foreach $one_hdr (split (' ',
845 &variable_value ('CONFIG_HEADER')))
847 $default_include .= ' -I' . &dirname ($one_hdr);
851 local ($xform) = &transform ('DEFAULT_INCLUDES' => $default_include);
852 $output_vars .= &file_contents_with_transform ($xform,
855 $xform = $seen_objext ? 's/^OBJEXT//;' : 's/^OBJEXT.*$//;';
856 $output_rules .= &file_contents_with_transform ($xform, 'compile');
858 &push_phony_cleaners ('compile');
860 # If using X, include some extra variable definitions. NOTE
861 # we don't want to force these into CFLAGS or anything,
862 # because not all programs will necessarily use X.
866 foreach $var ('X_CFLAGS', 'X_LIBS', 'X_EXTRA_LIBS', 'X_PRE_LIBS')
868 &define_configure_variable ($var);
872 push (@suffixes, '.c', '.o');
873 push (@suffixes, '.obj') if $seen_objext;
874 push (@clean, 'compile');
876 $included_generic_compile = 1;
879 if ($seen_libtool && ! $included_libtool_compile)
881 # Output the libtool compilation rules.
882 $output_rules .= &file_contents ('libtool');
884 &push_phony_cleaners ('libtool');
886 push (@suffixes, '.lo');
887 push (@clean, 'libtool');
889 $included_libtool_compile = 1;
892 # Check for automatic de-ANSI-fication.
893 if (defined $options{'ansi2knr'})
895 $extension = '$U' . $extension;
896 if (! $included_knr_compile)
898 if (! $am_c_prototypes)
900 &am_line_error ('AUTOMAKE_OPTIONS',
901 "option \`ansi2knr' in use but \`AM_C_PROTOTYPES' not in \`$configure_ac'");
902 &keyed_aclocal_warning ('AM_C_PROTOTYPES');
903 # Only give this error once.
904 $am_c_prototypes = 1;
907 # Only require ansi2knr files if they should appear in
909 if ($options{'ansi2knr'} eq 'ansi2knr')
911 &require_file_with_line ('AUTOMAKE_OPTIONS', $FOREIGN,
912 'ansi2knr.c', 'ansi2knr.1');
913 $output_rules .= &file_contents ('kr-extra');
914 push (@clean, 'krextra');
915 &push_phony_cleaners ('krextra');
918 # Generate rules to build ansi2knr. If it is in some
919 # other directory, then generate dependencies but have the
920 # rule just run elsewhere.
921 $objext = $seen_objext ? ".\$(OBJEXT)" : ".o";
922 $output_rules .= ($options{'ansi2knr'} . ': '
923 . $options{'ansi2knr'} . $objext . "\n");
924 if ($options{'ansi2knr'} eq 'ansi2knr')
926 $output_rules .= ("\t\$(LINK) ansi2knr" . $objext
928 . "ansi2knr" . $objext
929 . ": \$(CONFIG_HEADER)\n\n");
933 $output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
934 . " && \$(MAKE) \$(AM_MAKEFLAGS) "
936 # This is required for non-GNU makes.
937 $output_rules .= ($options{'ansi2knr'} . $objext . ":\n");
938 $output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
939 . " && \$(MAKE) \$(AM_MAKEFLAGS)"
940 . " ansi2knr" . $objext . "\n\n");
943 # Make sure ansi2knr can be found: if no path specified,
945 if ($options{'ansi2knr'} eq 'ansi2knr')
947 # Substitution from AM_C_PROTOTYPES. This makes it be
948 # built only when necessary.
949 &define_configure_variable ('ANSI2KNR');
950 # ansi2knr needs to be built before subdirs, so unshift it.
951 unshift (@all, '$(ANSI2KNR)');
955 # Found in another directory.
956 &define_variable ("ANSI2KNR", $options{'ansi2knr'});
959 $output_rules .= &file_contents ('clean-kr');
962 &push_phony_cleaners ('kr');
964 $included_knr_compile = 1;
971 # Call finish function for each language that was used.
974 local ($ltcompile, $ltlink) = &libtool_compiler;
976 local ($ext, $name, $lang, %done);
978 foreach $ext (sort keys %extension_seen)
980 $lang = $extension_map{$ext};
982 # Generate the appropriate rules for this extension. If
983 # dependency tracking was requested, and this extension
984 # supports it, then we don't generate the rule here.
987 if ($use_dependencies && $language_map{$lang . '-autodep'} ne 'no')
989 # Don't generate the rule, but still generate the variables.
990 if (defined $language_map{$lang . '-compile'})
992 $comp = $language_map{$lang . '-compile'};
995 elsif (defined $language_map{$lang . '-compile'})
997 $comp = $language_map{$lang . '-compile'};
999 local ($outarg) = $language_map{$lang . '-output-arg'};
1000 if ($language_map{$lang . '-flags'} eq 'CFLAGS')
1002 # C compilers don't always support -c -o.
1003 if (defined $options{'subdir-objects'})
1005 $outarg .= ' -o $@';
1009 local ($full) = ("\t\$("
1010 . $language_map{$lang . '-compiler-name'}
1013 $output_rules .= (".$ext.o:\n"
1016 # FIXME: Using cygpath should be somehow conditional.
1017 $output_rules .= (".$ext.obj:\n"
1019 . " \`cygpath -w \$<\`\n")
1021 $output_rules .= (".$ext.lo:\n"
1023 . $language_map{$lang . '-compiler-name'}
1025 . $language_map{$lang . '-output-arg'}
1026 # We can always use -c -o with libtool.
1027 . ($language_map{$lang . '-flags'} eq 'CFLAGS'
1033 push (@suffixes, '.' . $ext);
1035 # The rest of the loop is done once per language.
1036 next if defined $done{$lang};
1039 $non_c = 0 if $lang !~ /(objc|cxx|f77|ratfor)$/;
1043 &define_compiler_variable ($language_map{$lang . '-compiler-name'},
1046 # The compiler's flag must be a configure variable.
1047 if (defined $language_map{$lang . '-flags'})
1049 &define_configure_variable ($language_map{$lang . '-flags'});
1052 # Compute the function name of the finisher and then call it.
1053 $name = 'lang_' . $lang . '_finish';
1057 # If the project is entirely C++ or entirely Fortran 77, don't
1058 # bother with the C stuff. But if anything else creeps in, then use
1060 if ($need_link || ! $non_c || scalar keys %suffix_rules > 0)
1062 if (! defined $done{'c'})
1064 &define_configure_variable ($language_map{'c-flags'});
1065 &define_compiler_variable ($language_map{'c-compiler-name'},
1067 $language_map{'c-compile'});
1069 &define_variable ('CCLD', '$(CC)');
1070 &define_variable ('LINK', $ltlink . '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
1074 # Output a rule to build from a YACC source. The output from YACC is
1075 # compiled with C or C++, depending on the extension of the YACC file.
1076 sub output_yacc_build_rule
1078 local ($yacc_suffix, $use_ylwrap, $c_suffix) = @_;
1081 ($suffix = $yacc_suffix) =~ tr/y/c/;
1082 push (@suffixes, $yacc_suffix, $suffix);
1084 # Generate rule for c/c++.
1085 $output_rules .= "$yacc_suffix$suffix:\n\t";
1089 $output_rules .= ('$(SHELL) $(YLWRAP)'
1090 . ' "$(YACC)" $< y.tab.c $*' . $suffix
1091 . ' y.tab.h $*.h -- $(AM_YFLAGS) $(YFLAGS)');
1095 $output_rules .= ('$(YACC) $(AM_YFLAGS) $(YFLAGS) $< && mv y.tab.c $*'
1097 . "\tif test -f y.tab.h; then \\\n"
1098 . "\tif cmp -s y.tab.h \$*.h; then rm -f y.tab.h; else mv y.tab.h \$*.h; fi; \\\n"
1101 $output_rules .= "\n";
1104 sub output_lex_build_rule
1106 local ($lex_suffix, $use_ylwrap) = @_;
1109 ($c_suffix = $lex_suffix) =~ tr/l/c/;
1110 push (@suffixes, $lex_suffix);
1111 &define_configure_variable ('LEX_OUTPUT_ROOT');
1112 &define_configure_variable ('LEXLIB');
1113 $output_rules .= "$lex_suffix$c_suffix:\n\t";
1117 # Is the $@ correct here? If so, why not use it in the ylwrap
1118 # build rule for yacc above?
1119 $output_rules .= '$(SHELL) $(YLWRAP)'
1120 . ' "$(LEX)" $< $(LEX_OUTPUT_ROOT).c $@ -- $(AM_LFLAGS) $(LFLAGS)';
1124 $output_rules .= '$(LEX) $(AM_LFLAGS) $(LFLAGS) $< && mv $(LEX_OUTPUT_ROOT).c $@';
1126 $output_rules .= "\n";
1130 # Check to make sure a source defined in LIBOBJS is not explicitly
1131 # mentioned. This is a separate function (as opposed to being inlined
1132 # in handle_source_transform) because it isn't always appropriate to
1134 sub check_libobjs_sources
1136 local ($one_file, $unxformed) = @_;
1138 local ($prefix, $file, @files);
1139 foreach $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1140 'dist_EXTRA_', 'nodist_EXTRA_')
1142 if (&variable_defined ($prefix . $one_file . '_SOURCES'))
1144 @files = &variable_value_as_list (($prefix
1145 . $one_file . '_SOURCES'),
1148 elsif ($prefix eq '')
1150 @files = ($unxformed . '.c');
1157 foreach $file (@files)
1159 if (defined $libsources{$file})
1161 &am_line_error ($prefix . $one_file . '_SOURCES',
1162 "automatically discovered file \`$file' should not be explicitly mentioned");
1169 # ($LINKER, @OBJECTS)
1170 # handle_single_transform_list ($VAR, $DERIVED, $OBJ, @FILES)
1171 # -----------------------------------------------------------
1172 # Does much of the actual work for handle_source_transform.
1174 # $DERIVED is the name of resulting executable or library
1175 # $OBJ is the object extension (e.g., `$U.lo')
1176 # @FILES is the list of source files to transform
1178 # $LINKER is name of linker to use (empty string for default linker)
1179 # @OBJECTS are names of objects
1180 sub handle_single_transform_list
1182 local ($var, $derived, $obj, @files) = @_;
1183 local (@result) = ();
1184 local ($nonansi_obj) = $obj;
1185 $nonansi_obj =~ s/\$U//g;
1186 local (%linkers_used) = ();
1188 # Turn sources into objects.
1191 # Configure substitutions in _SOURCES variables are errors.
1194 &am_line_error ($var, "$var includes configure substitution \`$_'");
1198 # If the source file is in a subdirectory then the `.o' is
1199 # put into the current directory.
1201 # Split file name into base and extension.
1202 local ($full, $directory, $base, $extension, $linker, $object);
1203 next if ! /^((.*)\/)?([^\/]*)\.(.*)$/;
1209 local ($xbase) = $base;
1211 # We must generate a rule for the object if it requires
1214 local ($renamed) = 0;
1216 $extension = &derive_suffix ($extension);
1217 local ($lang) = $extension_map{$extension};
1220 &saw_extension ($extension);
1221 # Found the language, so see what it says.
1222 local ($subr) = 'lang_' . $lang . '_rewrite';
1223 # Note: computed subr call.
1224 local ($r) = & $subr ($directory, $base, $extension);
1225 # Skip this entry if we were asked not to process it.
1226 next if $r == $LANG_IGNORE;
1228 # Now extract linker and other info.
1229 $linker = $language_map{$lang . '-linker'};
1231 local ($this_obj_ext);
1232 if ($language_map{$lang . '-ansi-p'})
1234 $object = $base . $obj;
1235 $this_obj_ext = $obj;
1239 $object = $base . $nonansi_obj;
1240 $this_obj_ext = $nonansi_obj;
1243 if ($language_map{$lang . '-flags'} ne ''
1244 && &variable_defined ($derived . '_'
1245 . $language_map{$lang . '-flags'}))
1247 # We have a per-executable flag in effect for this
1248 # object. In this case we rewrite the object's
1249 # name to ensure it is unique. We also require
1250 # the `compile' program to deal with compilers
1251 # where `-c -o' does not work.
1253 # We choose the name `DERIVED-OBJECT' to ensure
1254 # (1) uniqueness, and (2) continuity between
1255 # invocations. However, this will result in a
1256 # name that is too long for losing systems, in
1257 # some situations. So we provide _SHORTNAME to
1260 local ($dname) = $derived;
1261 if (&variable_defined ($derived . '_SHORTNAME'))
1263 # FIXME: should use the same conditional as
1264 # the _SOURCES variable. But this is really
1265 # silly overkill -- nobody should have
1266 # conditional shortnames.
1267 $dname = &variable_value ($derived . '_SHORTNAME');
1269 $object = $dname . '-' . $object;
1271 &require_file ($FOREIGN, 'compile')
1274 &prog_error ("$lang flags defined without compiler")
1275 if ! defined $language_map{$lang . '-compile'};
1277 # Compute the rule to compile this object.
1278 local ($flag) = $language_map{$lang . '-flags'};
1279 local ($val) = "(${derived}_${flag}";
1280 ($rule = $language_map{$lang . '-compile'}) =~
1283 $rule .= ' ' . $language_map{$lang . '-output-arg'};
1284 # For C we have to add the -o, because the
1285 # standard rule doesn't include it.
1286 if ($language_map{$lang . '-flags'} eq 'CFLAGS')
1294 # If rewrite said it was ok, put the object into a
1296 if ($r == $LANG_SUBDIR && $directory ne '')
1298 $object = $directory . '/' . $object;
1299 $xbase = $directory . '/' . $base;
1302 # If doing dependency tracking, then we can't print
1303 # the rule. If we have a subdir object, we need to
1304 # generate an explicit rule. Actually, in any case
1305 # where the object is not in `.' we need a special
1306 # rule. The per-object rules in this case are
1307 # generated later, by add_depend2.
1308 if (($use_dependencies
1310 && $language_map{$lang . '-autodep'} ne 'no')
1311 || $directory ne '')
1314 local ($obj_sans_ext) = substr ($object, 0,
1315 - length ($this_obj_ext));
1316 $lang_specific_files{$lang} .= (' ' . $derived
1318 . ' ' . $obj_sans_ext);
1321 elsif ($extension eq 'o')
1323 # This is probably the result of a direct suffix rule.
1324 # In this case we just accept the rewrite. FIXME:
1325 # this fails if we want libtool objects.
1326 $object = $base . '.' . $extension;
1331 # No error message here. Used to have one, but it was
1336 $linkers_used{$linker} = 1;
1338 push (@result, $object);
1340 if (defined $object_map{$object})
1342 if ($object_map{$object} ne $full)
1344 &am_error ("object \`$object' created by \`$full' and \`$object_map{$object}'");
1349 local (@dep_list) = ();
1350 $object_map{$object} = $full;
1352 # If file is in subdirectory, we need explicit
1354 if ($directory ne '' || $renamed)
1356 push (@dep_list, $full);
1359 # If resulting object is in subdir, we need to make
1360 # sure the subdir exists at build time.
1361 if ($object =~ /\//)
1363 # FIXME: check that $DIRECTORY is somewhere in the
1366 # We don't allow `..' in object file names for
1367 # *any* source, not just Java. For Java it just
1368 # doesn't make sense, but in general it is
1369 # a problem because we can't pick a good name for
1371 if ($object =~ /(\/|^)\.\.\//)
1373 &am_error ("\`$full' contains \`..' component but should not");
1376 push (@dep_list, $directory . '/.dirstamp');
1378 # If we're generating dependencies, we also want
1379 # to make sure that the appropriate subdir of the
1380 # .deps directory is created.
1381 if ($use_dependencies)
1383 push (@dep_list, '.deps/' . $directory . '/.dirstamp');
1386 if (! defined $directory_map{$directory})
1388 $directory_map{$directory} = 1;
1389 $output_rules .= ($directory . "/.dirstamp:\n"
1390 . "\t\@\$(mkinstalldirs) $directory\n"
1391 . "\t\@: > $directory/.dirstamp\n");
1392 if ($use_dependencies)
1394 $output_rules .= ('.deps/' . $directory
1396 . "\t\@\$(mkinstalldirs) .deps/$directory\n"
1397 . "\t\@: > .deps/$directory/.dirstamp\n");
1402 &pretty_print_rule ($object . ':', "\t", @dep_list)
1403 if scalar @dep_list > 0 || $rule ne '';
1405 # Print the rule if we have one.
1408 # Turn `$@' into name of our object file.
1410 ($xform = $object) =~ s,/,\\/,g;
1411 $rule =~ s/\$\@/$xform/;
1413 # We cannot use $< here since this is an explicit
1414 # rule and not all makes handle that.
1415 $rule .= " \`test -f $full || echo '\$(srcdir)/'\`$full";
1417 # FIXME: handle .lo and .obj as well.
1418 $output_rules .= "\t" . $rule . "\n";
1422 # Transform .o or $o file into .P file (for automatic
1425 && ($language_map{$lang . '-autodep'} ne 'no'
1426 || $language_map{$lang . '-derived-autodep'} eq 'yes'))
1428 local ($depfile) = $object;
1429 $depfile =~ s/\.([^.]*)$/.P$1/;
1430 $depfile =~ s/\$\(OBJEXT\)$/o/ if $seen_objext;
1431 $dep_files{'$(DEPDIR)/' . $depfile} = 1;
1435 return (&resolve_linker (%linkers_used), @result);
1440 # Handle SOURCE->OBJECT transform for one program or library.
1442 # canonical (transformed) name of object to build
1443 # actual name of object to build
1444 # object extension (ie either `.o' or `$o'.
1445 # Return result is name of linker variable that must be used.
1446 # Empty return means just use `LINK'.
1447 sub handle_source_transform
1449 # one_file is canonical name. unxformed is given name. obj is
1451 local ($one_file, $unxformed, $obj) = @_;
1453 local ($linker) = '';
1455 if (&variable_defined ($one_file . "_OBJECTS"))
1457 &am_line_error ($one_file . '_OBJECTS',
1458 $one_file . '_OBJECTS', 'should not be defined');
1459 # No point in continuing.
1463 local (@files, @result, $prefix, $temp, $xpfx);
1464 local (%used_pfx) = ();
1465 foreach $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1466 'dist_EXTRA_', 'nodist_EXTRA_')
1468 # We are going to define _OBJECTS variables using the prefix.
1469 # Then we glom them all together. So we can't use the null
1470 # prefix here as we need it later.
1471 $xpfx = ($prefix eq '') ? 'am_' : $prefix;
1474 local ($var) = $prefix . $one_file . "_SOURCES";
1475 if (&variable_defined ($var))
1477 # Keep track of which prefixes we saw.
1478 $used_pfx{$xpfx} = 1
1479 unless $prefix =~ /EXTRA_/;
1481 push (@sources, '$(' . $prefix . $one_file . "_SOURCES)");
1482 push (@objects, '$(' . $xpfx . $one_file . "_OBJECTS)")
1483 unless $prefix =~ /EXTRA_/;
1484 push (@dist_sources, '$(' . $prefix . $one_file . "_SOURCES)")
1485 unless $prefix =~ /^nodist_/;
1486 local (@conds) = &variable_conditions ($var);
1489 @files = &variable_value_as_list ($var, '');
1494 foreach $cond (@conds)
1496 @files = &variable_value_as_list ($var, $cond);
1498 &handle_single_transform_list ($var, $one_file, $obj,
1500 $linker = $temp if $linker eq '';
1502 # Define _OBJECTS conditionally.
1503 &define_pretty_variable ($xpfx . $one_file . '_OBJECTS',
1505 unless $prefix =~ /EXTRA_/;
1512 # Avoid defining needless variables.
1513 next if (scalar @files == 0);
1515 ($temp, @result) = &handle_single_transform_list ($var, $one_file,
1517 $linker = $temp if $linker eq '';
1518 &define_pretty_variable ($xpfx . $one_file . "_OBJECTS", '', @result)
1519 unless $prefix =~ /EXTRA_/;
1522 local (@keys) = sort keys %used_pfx;
1523 if (scalar @keys == 0)
1525 &define_variable ($one_file . "_SOURCES", $unxformed . ".c");
1526 push (@sources, $unxformed . '.c');
1527 push (@dist_sources, $unxformed . '.c');
1528 push (@objects, $unxformed . $obj);
1529 push (@files, $unxformed . '.c');
1531 ($temp, @result) = &handle_single_transform_list ($one_file . '_SOURCES',
1534 $linker = $temp if $linker eq '';
1535 &define_pretty_variable ($one_file . "_OBJECTS", '', @result)
1539 grep ($_ = '$(' . $_ . $one_file . '_OBJECTS)', @keys);
1540 &define_pretty_variable ($one_file . '_OBJECTS', '', @keys);
1543 # If we want to use `LINK' we must make sure it is defined.
1553 # handle_lib_objects ()
1554 # ---------------------
1555 # Special-case @ALLOCA@ and @LIBOBJS@ in _LDADD or _LIBADD variables.
1556 # Also, generate _DEPENDENCIES variable if appropriate.
1558 # transformed name of object being built, or empty string if no object
1559 # name of _LDADD/_LIBADD-type variable to examine
1560 # boolean (lex_seen) which is true if a lex source file was seen in this
1561 # object. valid only for LDADDs, not LIBADDs.
1562 # Returns 1 if LIBOBJS seen, 0 otherwise.
1563 sub handle_lib_objects
1565 local ($xname, $var, $lex_seen) = @_;
1568 &prog_error ("handle_lib_objects: $var undefined")
1569 if ! &variable_defined ($var);
1571 &prog_error ("handle_lib_objects: lex_seen and $var =~ /LIBADD/")
1572 if $lex_seen && $var =~ /LIBADD/;
1574 local (@conds) = &variable_conditions ($var);
1577 $ret = &handle_lib_objects_cond ($xname, $var, $lex_seen, '');
1583 foreach $cond (@conds)
1585 if (&handle_lib_objects_cond ($xname, $var, $lex_seen, $cond))
1595 # Subroutine of handle_lib_objects: handle a particular condition.
1596 sub handle_lib_objects_cond
1598 local ($xname, $var, $lex_seen, $cond) = @_;
1600 # We recognize certain things that are commonly put in LIBADD or
1603 local (@dep_list) = ();
1605 local ($seen_libobjs) = 0;
1606 local ($flagvar) = 0;
1608 foreach $lsearch (&variable_value_as_list ($var, $cond))
1610 # Skip -lfoo and -Ldir; these are explicitly allowed.
1611 next if $lsearch =~ /^-[lL]/;
1612 if (! $flagvar && $lsearch =~ /^-/)
1614 if ($var =~ /^(.*)LDADD$/)
1616 # Skip -dlopen and -dlpreopen; these are explicitly allowed.
1617 next if $lsearch =~ /^-dl(pre)?open$/;
1618 &am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
1622 # Only get this error once.
1624 &am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
1628 # Assume we have a file of some sort, and push it onto the
1629 # dependency list. Autoconf substitutions are not pushed;
1630 # rarely is a new dependency substituted into (eg) foo_LDADD
1631 # -- but "bad things (eg -lX11) are routinely substituted.
1632 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
1633 # and handled specially below.
1634 push (@dep_list, $lsearch)
1635 unless $lsearch =~ /^\@.*\@$/;
1637 # Automatically handle @LIBOBJS@ and @ALLOCA@. Basically this
1638 # means adding entries to dep_files.
1639 if ($lsearch =~ /^\@(LT)?LIBOBJS\@$/)
1641 local ($myobjext) = ($1 ? 'l' : '') . 'o';
1643 push (@dep_list, $lsearch);
1645 if (! keys %libsources
1646 && ! &variable_defined ($1 . 'LIBOBJS'))
1648 &am_line_error ($var, "\@$1" . "LIBOBJS\@ seen but never set in \`$configure_ac'");
1651 local ($iter, $rewrite);
1652 foreach $iter (keys %libsources)
1654 if ($iter =~ /\.([cly])$/)
1656 &saw_extension ($1);
1657 &saw_extension ('c');
1660 if ($iter =~ /\.h$/)
1662 &require_file_with_line ($var, $FOREIGN, $iter);
1664 elsif ($iter ne 'alloca.c')
1666 ($rewrite = $iter) =~ s/\.c$/.P$myobjext/;
1667 $dep_files{'$(DEPDIR)/' . $rewrite} = 1;
1668 ($rewrite = $iter) =~ s/(\W)/\\$1/g;
1669 $rewrite = "^" . $rewrite . "\$";
1670 # Only require the file if it is not a built source.
1671 if (! &variable_defined ('BUILT_SOURCES')
1672 || ! grep (/$rewrite/,
1673 &variable_value_as_list ('BUILT_SOURCES',
1676 &require_file_with_line ($var, $FOREIGN, $iter);
1681 elsif ($lsearch =~ /^\@(LT)?ALLOCA\@$/)
1683 local ($myobjext) = ($1 ? 'l' : '') . 'o';
1685 push (@dep_list, $lsearch);
1686 &am_line_error ($var,
1687 "\@$1" . "ALLOCA\@ seen but \`AC_FUNC_ALLOCA' not in \`$configure_ac'")
1688 if ! defined $libsources{'alloca.c'};
1689 $dep_files{'$(DEPDIR)/alloca.P' . $myobjext} = 1;
1690 &require_file_with_line ($var, $FOREIGN, 'alloca.c');
1691 &saw_extension ('c');
1695 if ($xname ne '' && ! &variable_defined ($xname . '_DEPENDENCIES', $cond))
1697 &define_pretty_variable ($xname . '_DEPENDENCIES', $cond, @dep_list);
1700 return $seen_libobjs;
1703 # Canonicalize a name, and check to make sure the non-canonical name
1704 # is never used. Returns canonical name. Arguments are name and a
1705 # list of suffixes to check for.
1706 sub check_canonical_spelling
1708 local ($name, @suffixes) = @_;
1709 local ($xname, $xt);
1711 ($xname = $name) =~ tr/A-Za-z0-9_/_/c;
1712 if ($xname ne $name)
1715 foreach $xt (@suffixes)
1717 &am_line_error ($name . $xt,
1718 "invalid variable \`" . $name . $xt
1719 . "'; should be \`" . $xname . $xt . "'")
1720 if &variable_defined ($name . $xt);
1728 # handle_programs ()
1729 # ------------------
1730 # Handle C programs.
1733 local (@proglist) = &am_install_var ('-clean',
1734 'progs', 'PROGRAMS',
1735 'bin', 'sbin', 'libexec', 'pkglib',
1737 return if ! @proglist;
1739 # If a program is installed, this is required. We only want this
1740 # error to appear once.
1741 &am_conf_error ("AC_ARG_PROGRAM must be used")
1742 unless $seen_arg_prog;
1745 local ($one_file, $xname, $munge);
1747 local ($seen_libobjs) = 0;
1748 foreach $one_file (@proglist)
1750 local ($obj) = &get_object_extension ($one_file);
1752 # Canonicalize names and check for misspellings.
1753 $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
1754 '_SOURCES', '_OBJECTS',
1757 # FIXME: Using a trick to figure out if any lex sources appear
1758 # in our program; should use some cleaner method.
1759 local ($lex_num) = scalar (keys %lex_sources);
1760 local ($linker) = &handle_source_transform ($xname, $one_file, $obj);
1761 local ($lex_file_seen) = (scalar (keys %lex_sources) > $lex_num);
1764 if (&variable_defined ($xname . "_LDADD"))
1766 if (&handle_lib_objects ($xname, $xname . '_LDADD',
1776 # User didn't define prog_LDADD override. So do it.
1777 &define_variable ($xname . '_LDADD', '$(LDADD)');
1779 # This does a bit too much work. But we need it to
1780 # generate _DEPENDENCIES when appropriate.
1781 if (&variable_defined ('LDADD'))
1783 if (&handle_lib_objects ($xname, 'LDADD', $lex_file_seen))
1789 elsif (! &variable_defined ($xname . '_DEPENDENCIES'))
1791 &define_variable ($xname . '_DEPENDENCIES', '');
1796 if (&variable_defined ($xname . '_LIBADD'))
1798 &am_line_error ($xname . '_LIBADD',
1799 "use \`" . $xname . "_LDADD', not \`"
1800 . $xname . "_LIBADD'");
1803 if (! &variable_defined ($xname . '_LDFLAGS'))
1805 # Define the prog_LDFLAGS variable.
1806 &define_variable ($xname . '_LDFLAGS', '');
1809 # Determine program to use for link.
1811 if (&variable_defined ($xname . '_LINK'))
1813 $xlink = $xname . '_LINK';
1817 $xlink = $linker ? $linker : 'LINK';
1820 local ($exeext) = '';
1821 if ($seen_exeext && $one_file !~ /\./)
1823 $exeext = '$(EXEEXT)';
1827 &file_contents_with_transform
1828 (&transform ('EXEEXT' => $exeext,
1829 'PROGRAM' => $one_file,
1830 'XPROGRAM' => $xname,
1835 if (&variable_defined ('LDADD') && &handle_lib_objects ('', 'LDADD', 0))
1842 foreach $one_file (@proglist)
1844 # Canonicalize names.
1845 ($xname = $one_file) =~ tr/A-Za-z0-9_/_/c;
1847 if (&variable_defined ($xname . '_LDADD'))
1849 &check_libobjs_sources ($xname, $xname . '_LDADD');
1851 elsif (&variable_defined ('LDADD'))
1853 &check_libobjs_sources ($xname, 'LDADD');
1860 # handle_libraries ()
1861 # -------------------
1863 sub handle_libraries
1865 local (@liblist) = &am_install_var ('-clean',
1866 'libs', 'LIBRARIES',
1867 'lib', 'pkglib', 'noinst', 'check');
1868 return if ! @liblist;
1870 local (%valid) = &am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
1872 if (! defined $configure_vars{'RANLIB'})
1875 foreach $key (keys %valid)
1877 if (&variable_defined ($key . '_LIBRARIES'))
1879 &am_line_error ($key . '_LIBRARIES', "library used but \`RANLIB' not defined in \`$configure_ac'");
1880 # Only get this error once. If this is ever printed,
1882 $configure_vars{'RANLIB'} = 'BUG';
1891 local ($seen_libobjs) = 0;
1892 foreach $onelib (@liblist)
1894 # Check that the library fits the standard naming convention.
1895 if ($onelib !~ /^lib.*\.a$/)
1897 # FIXME should put line number here. That means mapping
1898 # from library name back to variable name.
1899 &am_error ("\`$onelib' is not a standard library name");
1902 local ($obj) = &get_object_extension ($onelib);
1904 # Canonicalize names and check for misspellings.
1905 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
1906 '_OBJECTS', '_DEPENDENCIES', '_AR');
1908 if (! &variable_defined ($xlib . '_AR'))
1910 &define_variable ($xlib . '_AR', '$(AR) cru');
1913 if (&variable_defined ($xlib . '_LIBADD'))
1915 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
1922 # Generate support for conditional object inclusion in
1924 &define_variable ($xlib . "_LIBADD", '');
1927 if (&variable_defined ($xlib . '_LDADD'))
1929 &am_line_error ($xlib . '_LDADD',
1930 "use \`" . $xlib . "_LIBADD', not \`"
1931 . $xlib . "_LDADD'");
1934 # Make sure we at look at this.
1935 &examine_variable ($xlib . '_DEPENDENCIES');
1937 &handle_source_transform ($xlib, $onelib, $obj);
1940 &file_contents_with_transform
1941 (&transform ('LIBRARY' => $onelib,
1942 'XLIBRARY' => $xlib),
1948 foreach $onelib (@liblist)
1950 # Canonicalize names.
1951 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
1952 if (&variable_defined ($xlib . '_LIBADD'))
1954 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
1959 &define_variable ('AR', 'ar');
1960 &define_configure_variable ('RANLIB');
1964 # handle_ltlibraries ()
1965 # ---------------------
1966 # Handle shared libraries.
1967 sub handle_ltlibraries
1969 local (@liblist) = &am_install_var ('-clean',
1970 'ltlib', 'LTLIBRARIES',
1971 'noinst', 'lib', 'pkglib', 'check');
1972 return if ! @liblist;
1975 local (%valid) = &am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
1979 foreach $key (keys %valid)
1981 if (&variable_defined ($key . '_LTLIBRARIES'))
1985 &am_line_error ($key . '_LTLIBRARIES', "library used but \`LIBTOOL' not defined in \`$configure_ac'");
1986 # Only get this error once. If this is ever printed,
1988 $configure_vars{'LIBTOOL'} = 'BUG';
1992 # Get the installation directory of each library.
1993 for (&variable_value_as_list ($key . '_LTLIBRARIES', 'all'))
1997 &am_error ("\`$_' is already going to be installed in \`$instdirs{$_}'");
2001 $instdirs{$_} = $key;
2010 local ($seen_libobjs) = 0;
2011 foreach $onelib (@liblist)
2013 local ($obj) = &get_object_extension ($onelib);
2015 # Canonicalize names and check for misspellings.
2016 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2017 '_SOURCES', '_OBJECTS',
2020 if (! &variable_defined ($xlib . '_LDFLAGS'))
2022 # Define the lib_LDFLAGS variable.
2023 &define_variable ($xlib . '_LDFLAGS', '');
2026 # Check that the library fits the standard naming convention.
2027 $libname_rx = "^lib.*\.la";
2028 if ((&variable_defined ($xlib . '_LDFLAGS')
2029 && grep (/-module/, &variable_value_as_list ($xlib . '_LDFLAGS',
2031 || (&variable_defined ('LDFLAGS')
2032 && grep (/-module/, &variable_value_as_list ('LDFLAGS',
2035 # Relax name checking for libtool modules.
2036 $libname_rx = "\.la";
2038 if ($onelib !~ /$libname_rx$/)
2040 # FIXME this should only be a warning for foreign packages
2041 # FIXME should put line number here. That means mapping
2042 # from library name back to variable name.
2043 &am_error ("\`$onelib' is not a standard libtool library name");
2046 if (&variable_defined ($xlib . '_LIBADD'))
2048 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
2055 # Generate support for conditional object inclusion in
2057 &define_variable ($xlib . "_LIBADD", '');
2060 if (&variable_defined ($xlib . '_LDADD'))
2062 &am_line_error ($xlib . '_LDADD',
2063 "use \`" . $xlib . "_LIBADD', not \`"
2064 . $xlib . "_LDADD'");
2067 # Make sure we at look at this.
2068 &examine_variable ($xlib . '_DEPENDENCIES');
2070 local ($linker) = &handle_source_transform ($xlib, $onelib, $obj);
2072 # Determine program to use for link.
2074 if (&variable_defined ($xlib . '_LINK'))
2076 $xlink = $xlib . '_LINK';
2080 $xlink = $linker ? $linker : 'LINK';
2084 if ($instdirs{$onelib} eq 'EXTRA'
2085 || $instdirs{$onelib} eq 'noinst'
2086 || $instdirs{$onelib} eq 'check')
2088 # It's an EXTRA_ library, so we can't specify -rpath,
2089 # because we don't know where the library will end up.
2090 # The user probably knows, but generally speaking automake
2091 # doesn't -- and in fact configure could decide
2092 # dynamically between two different locations.
2097 $rpath = ('-rpath $(' . $instdirs{$onelib} . 'dir)');
2101 &file_contents_with_transform
2102 (&transform ('LTLIBRARY' => $onelib,
2103 'XLTLIBRARY' => $xlib,
2111 foreach $onelib (@liblist)
2113 # Canonicalize names.
2114 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
2115 if (&variable_defined ($xlib . '_LIBADD'))
2117 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2123 # See if any _SOURCES variable were misspelled. Also, make sure that
2124 # EXTRA_ variables don't contain configure substitutions.
2127 local ($varname, $primary);
2128 foreach $varname (keys %contents)
2130 foreach $primary ('_SOURCES', '_LIBADD', '_LDADD', '_LDFLAGS',
2133 if ($varname =~ /$primary$/ && ! $content_seen{$varname})
2135 &am_line_error ($varname,
2136 "invalid unused variable name: \`$varname'");
2145 # NOTE we no longer automatically clean SCRIPTS, because it is
2146 # useful to sometimes distribute scripts verbatim. This happens
2147 # eg in Automake itself.
2148 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2149 'bin', 'sbin', 'libexec', 'pkgdata',
2152 local ($scripts_installed) = 0;
2153 # Set $scripts_installed if appropriate. Make sure we only find
2154 # scripts which are actually installed -- this is why we can't
2155 # simply use the return value of am_install_var.
2156 local (%valid) = &am_primary_prefixes ('SCRIPTS', 1, 'bin', 'sbin',
2157 'libexec', 'pkgdata',
2160 foreach $key (keys %valid)
2162 if ($key ne 'noinst'
2164 && &variable_defined ($key . '_SCRIPTS'))
2166 $scripts_installed = 1;
2167 # push (@check_tests, 'check-' . $key . 'SCRIPTS');
2171 if ($scripts_installed)
2173 # If a program is installed, this is required. We only want this
2174 # error to appear once.
2175 &am_conf_error ("AC_ARG_PROGRAM must be used")
2176 unless $seen_arg_prog;
2181 # Search a file for a "version.texi" Texinfo include. Return the name
2182 # of the include file if found, or the empty string if not. A
2183 # "version.texi" file is actually any file whose name matches
2185 sub scan_texinfo_file
2187 local ($filename) = @_;
2189 if (! open (TEXI, $filename))
2191 &am_error ("couldn't open \`$filename': $!");
2194 print "automake: reading $filename\n" if $verbose;
2196 local ($vfile, $outfile);
2199 if (/^\@setfilename +(\S+)/)
2205 if (/^\@include\s+(vers[^.]*\.texi)\s*$/)
2207 # Found version.texi include.
2214 return ($outfile, $vfile);
2220 # Handle all Texinfo source.
2223 &am_line_error ('TEXINFOS',
2224 "\`TEXINFOS' is an anachronism; use \`info_TEXINFOS'")
2225 if &variable_defined ('TEXINFOS');
2226 return if (! &variable_defined ('info_TEXINFOS')
2227 && ! &variable_defined ('html_TEXINFOS'));
2229 if (&variable_defined ('html_TEXINFOS'))
2231 &am_line_error ('html_TEXINFOS',
2232 "HTML generation not yet supported");
2236 local (@texis) = &variable_value_as_list ('info_TEXINFOS', 'all');
2238 local (@info_deps_list, @dvis_list, @texi_deps);
2239 local ($infobase, $info_cursor);
2243 local ($tc_cursor, @texi_cleans);
2246 foreach $info_cursor (@texis)
2248 # FIXME: This is mildly hacky, since it recognizes "txinfo".
2249 # I don't feel like making it right.
2250 ($infobase = $info_cursor) =~ s/\.te?xi(nfo)?$//;
2252 # If 'version.texi' is referenced by input file, then include
2253 # automatic versioning capability.
2254 local ($out_file, $vtexi) = &scan_texinfo_file ($relative_dir
2255 . "/" . $info_cursor);
2257 if ($out_file eq '')
2259 &am_error ("\`$info_cursor' missing \@setfilename");
2263 if ($out_file =~ /\.(.+)$/ && $1 ne 'info')
2265 # FIXME should report line number in input file.
2266 &am_error ("output of \`$info_cursor', \`$out_file', has unrecognized extension");
2272 &am_error ("\`$vtexi', included in \`$info_cursor', also included in \`$versions{$vtexi}'")
2273 if (defined $versions{$vtexi});
2274 $versions{$vtexi} = $info_cursor;
2276 # We number the stamp-vti files. This is doable since the
2277 # actual names don't matter much. We only number starting
2278 # with the second one, so that the common case looks nice.
2279 $vti = ($done ? $done : 'vti');
2282 &push_dist_common ($vtexi, 'stamp-' . $vti);
2283 push (@clean, $vti);
2285 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
2289 if ($config_aux_dir eq '.' || $config_aux_dir eq '')
2291 $conf_dir = '$(srcdir)/';
2295 $conf_dir = $config_aux_dir;
2296 $conf_dir .= '/' unless $conf_dir =~ /\/$/;
2299 &file_contents_with_transform
2300 (&transform ('TEXI' => $info_cursor,
2303 'MDDIR' => $conf_dir,
2304 'CONFIGURE_AC' => $configure_ac),
2307 &push_phony_cleaners ($vti);
2310 # If user specified file_TEXINFOS, then use that as explicit
2313 push (@texi_deps, $info_cursor);
2314 # Prefix with $(srcdir) because some version of make won't
2315 # work if the target has it and the dependency doesn't.
2316 push (@texi_deps, '$(srcdir)/' . $vtexi) if $vtexi;
2318 # Canonicalize name first.
2319 ($canonical = $infobase) =~ tr/A-Za-z0-9_/_/c;
2320 if (&variable_defined ($canonical . "_TEXINFOS"))
2322 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
2323 &push_dist_common ('$(' . $canonical . '_TEXINFOS)');
2326 $output_rules .= ("\n" . $out_file . ": "
2327 . join (' ', @texi_deps)
2328 . "\n" . $infobase . ".dvi: "
2329 . join (' ', @texi_deps)
2332 push (@info_deps_list, $out_file);
2333 push (@dvis_list, $infobase . '.dvi');
2335 # Generate list of things to clean for this target. We do
2336 # this explicitly because otherwise too many things could be
2337 # removed. In particular the ".log" extension might
2338 # reasonably be used in other contexts by the user.
2339 # FIXME: this is really out of control.
2340 foreach $tc_cursor ('aux', 'cp', 'cps', 'dvi', 'fn', 'fns', 'pgs',
2341 'ky', 'kys', 'ps', 'log', 'pg', 'toc', 'tp', 'tps',
2342 'vr', 'vrs', 'op', 'tr', 'cv', 'cn', 'cm', 'ov')
2344 push (@texi_cleans, $infobase . '.' . $tc_cursor);
2348 # Find these programs wherever they may lie. Yes, this has
2349 # intimate knowledge of the structure of the texinfo distribution.
2350 &define_program_variable ('MAKEINFO', 'build', 'texinfo/makeinfo',
2352 # Circumlocution to avoid accidental
2353 # configure substitution.
2355 &define_program_variable ('TEXI2DVI', 'src', 'texinfo/util',
2358 # Set transform for including texinfos.am. First, handle --cygnus
2363 $xform = 's/^NOTCYGNUS.*$//; s/^CYGNUS//;';
2367 $xform = 's/^CYGNUS.*$//; s/^NOTCYGNUS//;';
2370 # Handle location of texinfo.tex.
2371 local ($need_texi_file) = 0;
2372 local ($texinfodir);
2375 $texinfodir = '$(top_srcdir)/../texinfo';
2376 &define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex");
2379 elsif ($config_aux_dir ne '.' && $config_aux_dir ne '')
2381 $texinfodir = $config_aux_dir;
2382 &define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex");
2383 $need_texi_file = 2; # so that we require_conf_file later
2385 elsif (&variable_defined ('TEXINFO_TEX'))
2387 # The user defined TEXINFO_TEX so assume he knows what he is
2389 $texinfodir = ('$(srcdir)/'
2390 . &dirname (&variable_value ('TEXINFO_TEX')));
2394 $texinfodir = '$(srcdir)';
2395 $need_texi_file = 1;
2397 $xform .= &transform ('TEXINFODIR' => $texinfodir);
2399 $output_rules .= &file_contents_with_transform ($xform, 'texinfos');
2400 push (@phony, 'install-info-am', 'uninstall-info');
2401 push (@dist_targets, 'dist-info');
2403 # How to clean. The funny name is due to --cygnus influence; in
2404 # Cygnus mode, `clean-info' is a target that users can use.
2405 $output_rules .= "\nmostlyclean-aminfo:\n";
2406 &pretty_print_rule ("\t-rm -f", "\t ", @texi_cleans);
2407 $output_rules .= ("\nclean-aminfo:\n\ndistclean-aminfo:\n\n"
2408 . "maintainer-clean-aminfo:\n\t"
2409 # Eww. But how else can we find all the output
2410 # files from makeinfo?
2411 . ($cygnus_mode ? '' : 'cd $(srcdir) && ')
2412 . 'for i in $(INFO_DEPS); do' . " \\\n"
2413 . "\t" . ' rm -f $$i;' . " \\\n"
2414 . "\t" . ' if test "`echo $$i-[0-9]*`" != "$$i-[0-9]*"; then' . " \\\n"
2415 . "\t" . ' rm -f $$i-[0-9]*;' . " \\\n"
2416 . "\t" . ' fi;' . " \\\n"
2418 &push_phony_cleaners ('aminfo');
2421 $output_rules .= "clean-info: mostlyclean-aminfo\n";
2424 push (@suffixes, '.texi', '.texinfo', '.txi', '.info', '.dvi', '.ps');
2426 if (! defined $options{'no-installinfo'})
2428 push (@uninstall, 'uninstall-info');
2429 push (@installdirs, '$(DESTDIR)$(infodir)');
2430 unshift (@install_data, 'install-info-am');
2432 # Make sure documentation is made and installed first. Use
2433 # $(INFO_DEPS), not 'info', because otherwise recursive makes
2434 # get run twice during "make all".
2435 unshift (@all, '$(INFO_DEPS)');
2437 push (@clean, 'aminfo');
2438 push (@info, '$(INFO_DEPS)');
2439 push (@dvi, '$(DVIS)');
2441 &define_variable ("INFO_DEPS", join (' ', @info_deps_list));
2442 &define_variable ("DVIS", join (' ', @dvis_list));
2443 # This next isn't strictly needed now -- the places that look here
2444 # could easily be changed to look in info_TEXINFOS. But this is
2445 # probably better, in case noinst_TEXINFOS is ever supported.
2446 &define_variable ("TEXINFOS", &variable_value ('info_TEXINFOS'));
2448 # Do some error checking. Note that this file is not required
2449 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
2451 if ($need_texi_file && ! defined $options{'no-texinfo.tex'})
2453 if ($need_texi_file > 1)
2455 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
2460 &require_file_with_line ('info_TEXINFOS', $FOREIGN, 'texinfo.tex');
2465 # Handle any man pages.
2466 sub handle_man_pages
2468 &am_line_error ('MANS', "\`MANS' is an anachronism; use \`man_MANS'")
2469 if &variable_defined ('MANS');
2471 # Find all the sections in use. We do this by first looking for
2472 # "standard" sections, and then looking for any additional
2473 # sections used in man_MANS.
2474 local ($sect, %sections, %vlist);
2476 # Add more sections as needed.
2477 foreach $sect ('0'..'9', 'n', 'l')
2479 if (&variable_defined ('man' . $sect . '_MANS'))
2481 $sections{$sect} = 1;
2482 $vlist{'$(man' . $sect . '_MANS)'} = 1;
2487 if (&variable_defined ('man_MANS'))
2489 $vlist{'$(man_MANS)'} = 1;
2490 foreach (&variable_value_as_list ('man_MANS', 'all'))
2492 # A page like `foo.1c' goes into man1dir.
2493 if (/\.([0-9a-z])([a-z]*)$/)
2501 return unless $found;
2503 # Now for each section, generate an install and unintall rule.
2504 # Sort sections so output is deterministic.
2506 foreach $sect (sort keys %sections)
2508 &define_variable ('man' . $sect . 'dir', '$(mandir)/man' . $sect);
2509 push (@installdirs, '$(DESTDIR)$(mandir)/man' . $sect)
2510 unless defined $options{'no-installman'};
2511 $output_rules .= &file_contents_with_transform ('s/\@SECTION\@/'
2514 push (@phony, 'install-man' . $sect, 'uninstall-man' . $sect);
2515 push (@namelist, 'install-man' . $sect);
2518 # We don't really need this, but we use it in case we ever want to
2519 # support noinst_MANS.
2520 &define_variable ("MANS", join (' ', sort keys %vlist));
2522 # Generate list of install dirs.
2523 $output_rules .= ("install-man: \$(MANS)\n"
2524 . "\t\@\$(NORMAL_INSTALL)\n");
2525 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
2526 push (@phony, 'install-man');
2528 $output_rules .= "uninstall-man:\n\t\@\$(NORMAL_UNINSTALL)\n";
2529 grep ($_ = 'un' . $_, @namelist);
2530 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
2531 push (@phony, 'uninstall-man');
2533 $output_vars .= &file_contents ('mans-vars');
2535 if (! defined $options{'no-installman'})
2537 push (@install_data, 'install-man');
2538 push (@uninstall, 'uninstall-man');
2539 push (@all, '$(MANS)');
2543 # Handle DATA variables.
2546 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
2547 'data', 'sysconf', 'sharedstate', 'localstate',
2548 'pkgdata', 'noinst', 'check');
2554 push (@phony, 'tags');
2555 local (@tag_deps) = ();
2556 if (&variable_defined ('SUBDIRS'))
2558 $output_rules .= ("tags-recursive:\n"
2559 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
2560 # Never fail here if a subdir fails; it
2562 . "\t test \"\$\$subdir\" = . || (cd \$\$subdir"
2563 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
2565 push (@tag_deps, 'tags-recursive');
2566 push (@phony, 'tags-recursive');
2569 if (&saw_sources_p (1)
2570 || &variable_defined ('ETAGS_ARGS')
2573 local ($config) = '';
2575 foreach $one_hdr (@config_headers)
2577 if ($relative_dir eq &dirname ($one_hdr))
2579 # The config header is in this directory. So require it.
2580 $config .= ' ' if $config;
2581 $config .= &basename ($one_hdr);
2584 local $xform = &transform ('CONFIG' => $xform,
2585 'DIRS' => join (' ', @tag_deps));
2587 if (&variable_defined ('SUBDIRS'))
2589 $xform .= 's/^SUBDIRS//;';
2593 $xform .= 's/^SUBDIRS.*$//;';
2596 $output_rules .= &file_contents_with_transform ($xform, 'tags');
2597 $output_rules .= &file_contents ('tags-clean');
2598 push (@clean, 'tags');
2599 &push_phony_cleaners ('tags');
2600 &examine_variable ('TAGS_DEPENDENCIES');
2602 elsif (&variable_defined ('TAGS_DEPENDENCIES'))
2604 &am_line_error ('TAGS_DEPENDENCIES',
2605 "doesn't make sense to define \`TAGS_DEPENDENCIES' without sources or \`ETAGS_ARGS'");
2609 # Every Makefile must define some sort of TAGS rule.
2610 # Otherwise, it would be possible for a top-level "make TAGS"
2611 # to fail because some subdirectory failed.
2612 $output_rules .= "tags: TAGS\nTAGS:\n\n";
2616 # Handle multilib support.
2619 return unless $seen_multilib;
2621 $output_rules .= &file_contents ('multilib');
2622 &push_phony_cleaners ('multi');
2623 push (@phony, 'all-multi', 'install-multi');
2626 # Worker for handle_dist.
2627 sub handle_dist_worker
2629 local ($makefile) = @_;
2631 $output_rules .= 'distdir: $(DISTFILES)' . "\n";
2633 # Initialization; only at top level.
2634 if ($relative_dir eq '.')
2636 if (defined $options{'check-news'})
2638 # For Gnits users, this is pretty handy. Look at 15 lines
2639 # in case some explanatory text is desirable.
2640 $output_rules .= ' @if sed 15q $(srcdir)/NEWS | fgrep -e "$(VERSION)" > /dev/null; then :; else \\
2641 echo "NEWS not updated; not releasing" 1>&2; \\
2648 # Create dist directory.
2649 $output_rules .= ("\t-chmod -R a+w \$(distdir) > /dev/null 2>&1; rm -rf \$(distdir)\n"
2650 . "\tmkdir \$(distdir)\n");
2653 # Scan EXTRA_DIST to see if we need to distribute anything from a
2654 # subdir. If so, add it to the list. I didn't want to do this
2655 # originally, but there were so many requests that I finally
2658 if (&variable_defined ('EXTRA_DIST'))
2660 # FIXME: This should be fixed to work with conditionals. That
2661 # will require only making the entries in @dist_dirs under the
2662 # appropriate condition. This is meaningful if the nature of
2663 # the distribution should depend upon the configure options
2665 foreach (&variable_value_as_list ('EXTRA_DIST', ''))
2668 next unless s,/+[^/]+$,,;
2669 push (@dist_dirs, $_)
2674 # We have to check DIST_COMMON for extra directories in case the
2675 # user put a source used in AC_OUTPUT into a subdir.
2676 foreach (&variable_value_as_list ('DIST_COMMON', 'all'))
2679 next unless s,/+[^/]+$,,;
2680 push (@dist_dirs, $_)
2686 # Prepend $(distdir) to each directory given. Doing it via a
2687 # hash lets us ensure that each directory is used only once.
2689 grep ($dhash{'$(distdir)/' . $_} = 1, @dist_dirs);
2690 $output_rules .= "\t";
2691 &pretty_print_rule ('$(mkinstalldirs)', "\t ", sort keys %dhash);
2694 # In loop, test for file existence because sometimes a file gets
2695 # included in DISTFILES twice. For example this happens when a
2696 # single source file is used in building more than one program.
2697 # Also, there are situations in which "ln" can fail. For instance
2698 # a file to distribute could actually be a cross-filesystem
2699 # symlink -- this can easily happen if "gettextize" was run on the
2701 $output_rules .= "\t\@for file in \$(DISTFILES); do \\\n";
2704 $output_rules .= "\t if test -f \$\$file; then d=.; else d=\$(srcdir); fi; \\\n";
2708 $output_rules .= "\t d=\$(srcdir); \\\n";
2710 $output_rules .= ("\t if test -d \$\$d/\$\$file; then \\\n"
2711 # Don't mention $$file in destination argument,
2712 # since this fails if destination directory
2713 # already exists. Also, use `-R' and not `-r'.
2714 # `-r' is almost always incorrect.
2715 . "\t cp -pR \$\$d/\$\$file \$(distdir) \\\n"
2716 . "\t || exit 1; \\\n"
2718 . "\t test -f \$(distdir)/\$\$file \\\n"
2719 . "\t || cp -p \$\$d/\$\$file \$(distdir)/\$\$file \\\n"
2720 . "\t || exit 1; \\\n"
2724 # If we have SUBDIRS, create all dist subdirectories and do
2726 if (&variable_defined ('SUBDIRS'))
2728 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
2729 # to all possible directories, and use it. If DIST_SUBDIRS is
2730 # defined, just use it.
2731 local ($dist_subdir_name);
2732 if (&variable_conditions ('SUBDIRS')
2733 || &variable_defined ('DIST_SUBDIRS'))
2735 $dist_subdir_name = 'DIST_SUBDIRS';
2736 if (! &variable_defined ('DIST_SUBDIRS'))
2738 local (@full_list) = &variable_value_as_list ('SUBDIRS',
2740 local (@ds_list, %uniq, $iter);
2741 foreach $iter (@full_list)
2743 if (! defined $uniq{$iter})
2746 push (@ds_list, $iter);
2749 &define_pretty_variable ('DIST_SUBDIRS', '', @ds_list);
2754 $dist_subdir_name = 'SUBDIRS';
2755 # We always define this because that is what `distclean'
2757 &define_pretty_variable ('DIST_SUBDIRS', '', '$(SUBDIRS)');
2760 # Test for directory existence here because previous automake
2761 # invocation might have created some directories. Note that
2762 # we explicitly set distdir for the subdir make; that lets us
2763 # mix-n-match many automake-using packages into one large
2764 # package, and have "dist" at the top level do the right
2765 # thing. If we're in the topmost directory, then we use
2766 # `distdir' instead of `top_distdir'; this lets us work
2767 # correctly with an enclosing package.
2769 ("\t" . 'for subdir in $(' . $dist_subdir_name . '); do ' . "\\\n"
2770 . "\t" . ' if test "$$subdir" = .; then :; else ' . "\\\n"
2771 . "\t" . ' test -d $(distdir)/$$subdir ' . "\\\n"
2772 . "\t" . ' || mkdir $(distdir)/$$subdir ' . "\\\n"
2773 . "\t" . ' || exit 1; ' . "\\\n"
2774 . "\t" . ' (cd $$subdir'
2775 . ' && $(MAKE) $(AM_MAKEFLAGS) top_distdir=../$('
2776 . (($relative_dir eq '.') ? 'distdir' : 'top_distdir')
2777 . ') distdir=../$(distdir)/$$subdir distdir) ' . "\\\n"
2778 . "\t" . ' || exit 1; ' . "\\\n"
2779 . "\t" . ' fi; ' . "\\\n"
2783 # If the target `dist-hook' exists, make sure it is run. This
2784 # allows users to do random weird things to the distribution
2785 # before it is packaged up.
2786 push (@dist_targets, 'dist-hook') if &target_defined ('dist-hook');
2789 foreach $targ (@dist_targets)
2791 # We must explicitly set distdir and top_distdir for these
2793 $output_rules .= ("\t\$(MAKE) \$(AM_MAKEFLAGS)"
2794 . " top_distdir=\"\$(top_distdir)\""
2795 . " distdir=\"\$(distdir)\" $targ\n");
2798 push (@phony, 'distdir');
2801 # Handle 'dist' target.
2804 local ($makefile) = @_;
2806 # Set up maint_charset.
2807 $local_maint_charset = &variable_value ('MAINT_CHARSET')
2808 if &variable_defined ('MAINT_CHARSET');
2809 $maint_charset = $local_maint_charset
2810 if $relative_dir eq '.';
2812 if (&variable_defined ('DIST_CHARSET'))
2814 &am_line_error ('DIST_CHARSET',
2815 "DIST_CHARSET defined but no MAINT_CHARSET defined")
2816 if ! $local_maint_charset;
2817 if ($relative_dir eq '.')
2819 $dist_charset = &variable_value ('DIST_CHARSET')
2823 &am_line_error ('DIST_CHARSET',
2824 "DIST_CHARSET can only be defined at top level");
2828 # Look for common files that should be included in distribution.
2830 foreach $cfile (@common_files)
2832 if (-f ($relative_dir . "/" . $cfile))
2834 &push_dist_common ($cfile);
2838 # Always require configure.ac and configure at top level, even if
2839 # they don't exist. This is especially important for configure,
2840 # since it won't be created until autoconf is run -- which might
2841 # be after automake is run.
2842 &push_dist_common ($configure_ac, 'configure')
2843 if $relative_dir eq '.';
2845 # We might copy elements from %configure_dist_common to
2846 # %dist_common if we think we need to. If the file appears in our
2847 # directory, we would have discovered it already, so we don't
2848 # check that. But if the file is in a subdir without a Makefile,
2849 # we want to distribute it here if we are doing `.'. Ugly!
2850 if ($relative_dir eq '.')
2853 foreach $iter (keys %configure_dist_common)
2855 if (! &is_make_dir (&dirname ($iter)))
2857 &push_dist_common ($iter);
2862 # Keys of %dist_common are names of files to distributed. We put
2863 # README first because it then becomes easier to make a
2864 # Usenet-compliant shar file (in these, README must be first).
2865 # FIXME: do more ordering of files here.
2867 if (defined $dist_common{'README'})
2869 push (@coms, 'README');
2870 delete $dist_common{'README'};
2872 push (@coms, sort keys %dist_common);
2874 # Now that we've processed %dist_common, disallow further attempts
2876 $handle_dist_run = 1;
2878 &define_pretty_variable ("DIST_COMMON", '', @coms);
2879 $output_vars .= "\n";
2882 $output_vars .= &file_contents ('dist-vars') . "\n";
2883 &define_variable ('GZIP_ENV', '--best');
2885 # Put these things in rules section so it is easier for whoever
2886 # reads Makefile.in.
2887 if (! &variable_defined ('distdir'))
2889 if ($relative_dir eq '.')
2891 $output_rules .= "\n" . 'distdir = $(PACKAGE)-$(VERSION)' . "\n";
2895 $output_rules .= ("\n"
2896 . 'distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)'
2900 if ($relative_dir eq '.')
2902 $output_rules .= "top_distdir = \$(distdir)\n";
2904 $output_rules .= "\n";
2906 # Generate 'dist' target, and maybe other dist targets.
2907 if ($relative_dir eq '.')
2909 # Rule to check whether a distribution is viable.
2910 local ($xform) = '';
2912 if (&target_defined ('distcheck-hook'))
2914 $xform .= 's/^DISTHOOK//;';
2918 $xform .= 's/^DISTHOOK.*$//;';
2922 $xform .= 's/^GETTEXT//;';
2926 $xform .= 's/^GETTEXT.*$//;';
2929 $output_rules .= &file_contents_with_transform ($xform, 'dist');
2931 local ($dist_all) = ('dist-all: distdir' . "\n"
2934 foreach $curs ('dist', 'dist-shar', 'dist-zip', 'dist-tarZ',
2937 if (defined $options{$curs} || $curs eq 'dist')
2939 $output_rules .= ($curs . ': distdir' . "\n"
2943 $dist_all .= $dist{$curs};
2946 $output_rules .= $dist_all . $dist_trailer;
2949 # Generate distdir target.
2950 &handle_dist_worker ($makefile);
2954 # add_depend2 ($LANG)
2955 # -------------------
2956 # A subroutine of handle_dependencies. This function includes
2957 # `depend2' with appropriate transformations.
2962 # First include code for ordinary objects.
2963 local ($key) = $lang . '-autodep';
2964 local ($xform, $ext);
2966 local ($pfx) = $language_map{$key};
2967 local ($fpfx) = ($pfx eq '') ? 'CC' : $pfx;
2968 $xform = &transform ('PFX' => $pfx,
2970 $xform .= $seen_objext ? 's/^OBJEXT//;' : 's/^OBJEXT.*$//;';
2971 $xform .= $seen_libtool ? 's/^LIBTOOL//;' : 's/^LIBTOOL.*$//;';
2973 # This function can be called even when we don't want dependency
2974 # tracking. This happens when we need an explicit rule for some
2975 # target. In this case we don't want to include the generic code.
2976 if ($use_dependencies)
2978 local ($xform1) = ($xform
2979 . &transform ('BASE' => '$*',
2985 foreach $ext (&lang_extensions ($lang))
2987 $output_rules .= (&file_contents_with_transform
2988 (&transform ('EXT' => $ext) . $xform1,
2994 # Now include code for each specially handled object with this
2996 local (@list) = grep ($_ ne '', split (' ', $lang_specific_files{$lang}));
2997 local ($max) = scalar @list;
2999 local ($derived, $source, $obj);
3001 # If dependency tracking is disabled, we just elide the code.
3002 if (! $use_dependencies)
3004 $xform .= 's/\@AMDEP\@.*$//;';
3009 $derived = $list[$i];
3010 $source = $list[$i + 1];
3011 $obj = $list[$i + 2];
3014 local ($flag) = $language_map{$lang . '-flags'};
3015 local ($val) = "(${derived}_${flag}";
3016 ($rule = $language_map{$lang . '-compile'}) =~
3019 # Generate a transform which will turn suffix targets in
3020 # depend2.am into real targets for the particular objects we
3023 &file_contents_with_transform
3025 . &transform ('$(' . $pfx . 'COMPILE)'
3027 '$(LT' . $pfx . 'COMPILE)'
3028 => '$(LIBTOOL) --mode=compile ' . $rule,
3029 # Handle source and obj transforms.
3030 'OBJ' => $obj . '.o',
3031 'OBJOBJ' => $obj . '.obj',
3032 'LTOBJ' => $obj . '.lo',
3034 'SOURCE' => $source)
3035 # Generate rule for `.o'.
3036 . 's/^\@EXT\@\.o:/' . $obj . '.o: ' . $source . '/g;'
3037 # Maybe generate rule for `.lo'. Might be eliminated
3039 . 's/^\@EXT\@\.lo:/' . $obj . '.lo: ' . $source . '/g;'
3040 # Maybe generate rule for `.obj'. Might be
3041 # eliminated by $XFORM.
3042 . 's/^\@EXT\@\.obj:/' . $obj . '.obj: ' . $source . '/g;',
3047 # Handle auto-dependency code.
3048 sub handle_dependencies
3050 if ($use_dependencies)
3052 # Include auto-dep code. Don't include it if DEP_FILES would
3054 if (&saw_sources_p (0) && keys %dep_files)
3056 local ($config_aux_dir_specified) = ($config_aux_dir ne '.'
3057 && $config_aux_dir ne '');
3059 # Set $require_file_found{'depcomp'} if the depcomp file exists,
3060 # before calling require_config_file on `depcomp'. This makes
3061 # require_file_internal skip its buggy existence test that would
3062 # make automake fail (with `required file `lib/depcomp' not found')
3063 # when AC_CONFIG_AUX_DIR is not set. See tests/subdir4.test.
3064 local ($depcomp_dir) = ($config_aux_dir_specified ? $config_aux_dir
3066 $require_file_found{'depcomp'} = 1 if -f "$depcomp_dir/depcomp";
3068 # Set location of depcomp.
3069 local ($prefix) = ($config_aux_dir_specified ? $config_aux_dir
3072 &define_variable ('depcomp', "\$(SHELL) $prefix/depcomp");
3074 &require_config_file ($FOREIGN, 'depcomp');
3077 local (@deplist) = sort keys %dep_files;
3079 &define_pretty_variable ('DEP_FILES', '', ("\@AMDEP\@", @deplist));
3081 # Generate each `include' individually. Irix 6 make will
3082 # not properly include several files resulting from a
3083 # variable expansion; generating many separate includes
3085 $output_rules .= "\n";
3086 foreach $iter (@deplist)
3088 $output_rules .= "\@AMDEP\@" . 'include ' . $iter . "\n";
3091 $output_rules .= &file_contents ('depend');
3092 push (@clean, 'depend');
3093 &push_phony_cleaners ('depend');
3098 &define_variable ('depcomp', '');
3101 local ($key, $lang, $ext, $xform);
3102 foreach $key (sort keys %language_map)
3104 next unless $key =~ /^(.*)-autodep$/;
3105 next if $language_map{$key} eq 'no';
3110 # Handle subdirectories.
3113 return if ! &variable_defined ('SUBDIRS');
3115 # Make sure each directory mentioned in SUBDIRS actually exists.
3117 foreach $dir (&variable_value_as_list ('SUBDIRS', 'all'))
3119 # Skip directories substituted by configure.
3120 next if $dir =~ /^\@.*\@$/;
3122 if (! -d $am_relative_dir . '/' . $dir)
3124 &am_line_error ('SUBDIRS',
3125 "required directory $am_relative_dir/$dir does not exist");
3129 &am_line_error ('SUBDIRS', "directory should not contain \`/'")
3133 local ($xform) = ('s/\@INSTALLINFO\@/' .
3134 (defined $options{'no-installinfo'}
3135 ? 'install-info-recursive'
3138 $output_rules .= &file_contents_with_transform ($xform, 'subdirs');
3140 # Push a bunch of phony targets.
3142 foreach $phonies ('', '-data', '-exec', 'dirs')
3144 push (@phony, 'install' . $phonies . '-recursive');
3145 push (@phony, 'uninstall' . $phonies . '-recursive');
3147 foreach $phonies ('all', 'check', 'installcheck', 'info', 'dvi')
3149 push (@phony, $phonies . '-recursive');
3151 &push_phony_cleaners ('recursive');
3153 $recursive_install = 1;
3156 # Handle aclocal.m4.
3157 sub handle_aclocal_m4
3159 local ($regen_aclocal) = 0;
3160 if (-f 'aclocal.m4')
3162 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4');
3163 &push_dist_common ('aclocal.m4');
3165 if (open (ACLOCAL, '< aclocal.m4'))
3171 if ($line =~ 'generated automatically by aclocal')
3178 local ($acinclude) = 0;
3179 if (-f 'acinclude.m4')
3185 # Note that it might be possible that aclocal.m4 doesn't exist but
3186 # should be auto-generated. This case probably isn't very
3190 local (@ac_deps) = (
3192 ? "\@MAINTAINER_MODE_TRUE\@"
3195 ($acinclude ? ' acinclude.m4' : '')
3198 if (&variable_defined ('ACLOCAL_M4_SOURCES'))
3200 push (@ac_deps, "\$(ACLOCAL_M4_SOURCES)");
3202 elsif (&variable_defined ('ACLOCAL_AMFLAGS'))
3204 # Scan all -I directories for m4 files. These are our
3206 local ($examine_next, $amdir) = 0;
3207 foreach $amdir (&variable_value_as_list ('ACLOCAL_AMFLAGS', ''))
3212 if ($amdir !~ /^\// && -d $amdir)
3214 foreach $ac_dep (&my_glob ($amdir . '/*.m4'))
3216 $ac_dep =~ s/^\.\/*//;
3217 push (@ac_deps, $ac_dep)
3218 unless $ac_dep eq "aclocal.m4"
3219 || $ac_dep eq "acinclude.m4";
3223 elsif ($amdir eq '-I')
3230 &pretty_print_rule ("\$(ACLOCAL_M4):", "\t\t", @ac_deps);
3232 $output_rules .= ("\t"
3233 . 'cd $(srcdir) && $(ACLOCAL)'
3234 . (&variable_defined ('ACLOCAL_AMFLAGS')
3235 ? ' $(ACLOCAL_AMFLAGS)' : '')
3240 # Rewrite a list of input files into a form suitable to put on a
3241 # dependency list. The idea is that if an input file has a directory
3242 # part the same as the current directory, then the directory part is
3243 # simply removed. But if the directory part is different, then
3244 # $(top_srcdir) is prepended. Among other things, this is used to
3245 # generate the dependency list for the output files generated by
3246 # AC_OUTPUT. Consider what the dependencies should look like in this
3248 # AC_OUTPUT(src/out:src/in1:lib/in2)
3249 # The first argument, ADD_SRCDIR, is 1 if $(top_srcdir) should be added.
3250 # If 0 then files that require this addition will simply be ignored.
3251 sub rewrite_inputs_into_dependencies
3253 local ($add_srcdir, @inputs) = @_;
3254 local ($single, @newinputs);
3256 foreach $single (@inputs)
3258 if (&dirname ($single) eq $relative_dir)
3260 push (@newinputs, &basename ($single));
3264 push (@newinputs, '$(top_srcdir)/' . $single);
3271 # Handle remaking and configure stuff.
3272 # We need the name of the input file, to do proper remaking rules.
3273 sub handle_configure
3275 local ($local, $input, @secondary_inputs) = @_;
3277 local ($top_reldir);
3279 local ($input_base) = &basename ($input);
3280 local ($local_base) = &basename ($local);
3282 local ($amfile) = $input_base . '.am';
3283 # We know we can always add '.in' because it really should be an
3284 # error if the .in was missing originally.
3285 local ($infile) = '$(srcdir)/' . $input_base . '.in';
3286 local ($colon_infile);
3287 if ($local ne $input || @secondary_inputs)
3289 $colon_infile = ':' . $input . '.in';
3291 $colon_infile .= ':' . join (':', @secondary_inputs)
3292 if @secondary_inputs;
3294 local (@rewritten) = &rewrite_inputs_into_dependencies (1,
3297 # This rule remakes the Makefile.in. Note use of
3298 # @MAINTAINER_MODE_TRUE@ forces us to abandon pretty-printing.
3300 $output_rules .= ($infile
3301 # NOTE perl 5.003 (with -w) gives a
3302 # uninitialized value error on the next line.
3305 . ($seen_maint_mode ? "\@MAINTAINER_MODE_TRUE\@ " : '')
3307 . '$(top_srcdir)/' . $configure_ac .' $(ACLOCAL_M4)'
3308 . ' ' . join (' ', @include_stack)
3310 . "\tcd \$(top_srcdir) && \$(AUTOMAKE) "
3311 . ($cygnus_mode ? '--cygnus' : ('--' . $strictness_name))
3312 . ($cmdline_use_dependencies ? '' : ' --ignore-deps')
3313 . ' ' . $input . $colon_infile . "\n\n");
3315 # This rule remakes the Makefile.
3316 $output_rules .= ($local_base
3317 # NOTE: bogus uninit value error on next line;
3318 # see comment above.
3321 . join (' ', @rewritten)
3322 . ' $(top_builddir)/config.status'
3324 . "\tcd \$(top_builddir) \\\n"
3325 . "\t && CONFIG_FILES="
3326 . (($relative_dir eq '.') ? '$@' : '$(subdir)/$@')
3328 . ' CONFIG_HEADERS= $(SHELL) ./config.status'
3331 if ($relative_dir ne '.')
3334 $top_reldir = '../';
3338 local ($xform) = &transform ('CONFIGURE_AC' => $configure_ac);
3340 $output_rules .= &file_contents_with_transform ($xform,
3342 &examine_variable ('CONFIG_STATUS_DEPENDENCIES');
3343 &examine_variable ('CONFIGURE_DEPENDENCIES');
3346 &push_dist_common ('acconfig.h')
3350 # If we have a configure header, require it.
3352 local (@local_fullnames) = @config_fullnames;
3353 local (@local_names) = @config_names;
3354 local ($hdr_index) = 0;
3355 local ($distclean_config) = '';
3356 foreach $one_hdr (@config_headers)
3358 local ($one_fullname) = shift (@local_fullnames);
3359 local ($one_name) = shift (@local_names);
3361 local ($header_dir) = &dirname ($one_name);
3363 # If the header is in the current directory we want to build
3364 # the header here. Otherwise, if we're at the topmost
3365 # directory and the header's directory doesn't have a
3366 # Makefile, then we also want to build the header.
3367 if ($relative_dir eq $header_dir
3368 || ($relative_dir eq '.' && ! &is_make_dir ($header_dir)))
3370 local ($ch_sans_dir, $cn_sans_dir, $stamp_dir);
3371 if ($relative_dir eq $header_dir)
3373 $cn_sans_dir = &basename ($one_name);
3378 $cn_sans_dir = $one_name;
3379 if ($header_dir eq '.')
3385 $stamp_dir = $header_dir . '/';
3389 # Compute relative path from directory holding output
3390 # header to directory holding input header. FIXME:
3391 # doesn't handle case where we have multiple inputs.
3392 if (&dirname ($one_hdr) eq $relative_dir)
3394 $ch_sans_dir = &basename ($one_hdr);
3398 local (@rel_out_path);
3399 # FIXME this chunk of code should be its own sub.
3400 # It is used elsewhere.
3401 foreach (split (/\//, $relative_dir))
3403 next if $_ eq '' || $_ eq '.';
3406 # FIXME: actually this is an error.
3411 push (@rel_out_path, '..');
3416 $ch_sans_dir = join ('/', @rel_out_path) . '/' . $one_hdr;
3420 $ch_sans_dir = $one_hdr;
3424 &require_file_with_conf_line ($config_header_line,
3425 $FOREIGN, $ch_sans_dir);
3427 # Header defined and in this directory.
3429 if (-f $one_name . '.top')
3431 push (@files, "${cn_sans_dir}.top");
3433 if (-f $one_name . '.bot')
3435 push (@files, "${cn_sans_dir}.bot");
3438 &push_dist_common (@files);
3440 # For now, acconfig.h can only appear in the top srcdir.
3441 if (-f 'acconfig.h')
3443 if ($relative_dir eq '.')
3445 push (@files, 'acconfig.h');
3449 # Strange quoting because this gets fed through
3451 push (@files, '\$(top_srcdir)/acconfig.h');
3455 local ($stamp_name) = 'stamp-h';
3456 $stamp_name .= "${hdr_index}" if scalar (@config_headers) > 1;
3458 local ($xform) = '';
3460 $xform = &transform ('CONFIGURE_AC' => $configure_ac,
3461 'FILES' => join (' ', @files),
3462 'CONFIG_HEADER' => $cn_sans_dir,
3463 'CONFIG_HEADER_IN' => $ch_sans_dir,
3464 'CONFIG_HEADER_FULL' => $one_fullname,
3465 'STAMP' => "$stamp_dir$stamp_name");
3467 local ($out_dir) = &dirname ($ch_sans_dir);
3468 $xform .= &transform ('SRC_STAMP' => "${out_dir}/${stamp_name}");
3469 $output_rules .= &file_contents_with_transform ($xform,
3472 &create ("${relative_dir}/${out_dir}/${stamp_name}.in");
3473 &require_file_with_conf_line ($config_header_line, $FOREIGN,
3474 "${out_dir}/${stamp_name}.in");
3476 $distclean_config .= ' ' if $distclean_config;
3477 $distclean_config .= $cn_sans_dir;
3481 if ($distclean_config)
3483 $output_rules .= &file_contents_with_transform ('s,\@FILES\@,'
3487 push (@clean, 'hdr');
3488 &push_phony_cleaners ('hdr');
3491 # Set location of mkinstalldirs.
3492 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
3494 &define_variable ('mkinstalldirs', ('$(SHELL) ' . $config_aux_dir
3495 . '/mkinstalldirs'));
3499 &define_variable ('mkinstalldirs',
3500 '$(SHELL) $(top_srcdir)/mkinstalldirs');
3503 &am_line_error ('CONFIG_HEADER',
3504 "\`CONFIG_HEADER' is an anachronism; now determined from \`$configure_ac'")
3505 if &variable_defined ('CONFIG_HEADER');
3508 local ($config_header) = '';
3509 foreach $one_name (@config_names)
3511 # Generate CONFIG_HEADER define.
3513 if ($relative_dir eq &dirname ($one_name))
3515 $one_hdr = &basename ($one_name);
3519 $one_hdr = "${top_builddir}/${one_name}";
3522 $config_header .= ' ' if $config_header;
3523 $config_header .= $one_hdr;
3527 &define_variable ("CONFIG_HEADER", $config_header);
3530 # Now look for other files in this directory which must be remade
3531 # by config.status, and generate rules for them.
3532 local (@actual_other_files) = ();
3533 local ($file, $local);
3534 local (@inputs, @rewritten_inputs, $single);
3535 local ($need_rewritten);
3536 foreach $file (@other_input_files)
3538 if ($file =~ /^([^:]*):(.*)$/)
3540 # This is the ":" syntax of AC_OUTPUT.
3542 $local = &basename ($file);
3543 @inputs = split (':', $2);
3544 @rewritten_inputs = &rewrite_inputs_into_dependencies (1, @inputs);
3545 $need_rewritten = 1;
3550 $local = &basename ($file);
3551 @inputs = ($local . '.in');
3553 &rewrite_inputs_into_dependencies (1, $file . '.in');
3554 $need_rewritten = 0;
3557 # Skip files not in this directory.
3558 next unless &dirname ($file) eq $relative_dir;
3560 # Skip any file that is an automake input.
3561 next if -f $file . '.am';
3563 # Some users have been tempted to put `stamp-h' in the
3564 # AC_OUTPUT line. This won't do the right thing, so we
3565 # explicitly fail here.
3566 if ($local eq 'stamp-h')
3568 # FIXME: allow real filename.
3569 &am_conf_error ($configure_ac, $ac_output_line,
3570 'stamp-h should not appear in AC_OUTPUT');
3574 $output_rules .= ($local . ': '
3575 . '$(top_builddir)/config.status '
3576 . join (' ', @rewritten_inputs) . "\n"
3578 . 'cd $(top_builddir) && CONFIG_FILES='
3579 . ($relative_dir eq '.' ? '' : '$(subdir)/')
3580 . '$@' . ($need_rewritten
3581 ? (':' . join (':', @inputs))
3583 . ' CONFIG_HEADERS= $(SHELL) ./config.status'
3585 &push_dist_common (@inputs);
3586 push (@actual_other_files, $local);
3588 # Require all input files.
3589 &require_file_with_conf_line ($ac_output_line, $FOREIGN,
3590 &rewrite_inputs_into_dependencies (0, @inputs));
3593 # These files get removed by "make clean".
3594 &define_pretty_variable ('CONFIG_CLEAN_FILES', '', @actual_other_files);
3601 @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
3602 'oldinclude', 'pkginclude',
3606 next unless /\.(.*)$/;
3607 &saw_extension ($1);
3613 return if ! $seen_gettext || $relative_dir ne '.';
3615 if (! &variable_defined ('SUBDIRS'))
3618 ("AM_GNU_GETTEXT used but SUBDIRS not defined");
3622 &require_file_with_conf_line ($ac_gettext_line, $GNU, 'ABOUT-NLS');
3624 if (&variable_defined ('SUBDIRS'))
3628 "AM_GNU_GETTEXT in \`$configure_ac' but \`po' not in SUBDIRS")
3629 if $contents{'SUBDIRS'} !~ /\bpo\b/;
3632 "AM_GNU_GETTEXT in \`$configure_ac' but \`intl' not in SUBDIRS")
3633 if $contents{'SUBDIRS'} !~ /\bintl\b/;
3636 # Ensure that each language in ALL_LINGUAS has a .po file, and
3637 # each po file is mentioned in ALL_LINGUAS.
3640 local (%linguas) = ();
3641 grep ($linguas{$_} = 1, split (' ', $all_linguas));
3648 &am_line_error ($all_linguas_line,
3649 ("po/$_.po exists but \`$_' not in \`ALL_LINGUAS'"))
3653 foreach (keys %linguas)
3655 &am_line_error ($all_linguas_line,
3656 "$_ in \`ALL_LINGUAS' but po/$_.po does not exist")
3662 &am_error ("AM_GNU_GETTEXT in \`$configure_ac' but \`ALL_LINGUAS' not defined");
3666 # Handle footer elements.
3669 if ($contents{'SOURCES'})
3671 # NOTE don't use define_pretty_variable here, because
3672 # $contents{...} is already defined.
3673 $output_vars .= 'SOURCES = ' . $contents{'SOURCES'} . "\n";
3675 if ($contents{'OBJECTS'})
3677 # NOTE don't use define_pretty_variable here, because
3678 # $contents{...} is already defined.
3679 $output_vars .= 'OBJECTS = ' . $contents{'OBJECTS'} . "\n";
3681 if ($contents{'SOURCES'} || $contents{'OBJECTS'})
3683 $output_vars .= "\n";
3686 if (&target_defined ('.SUFFIXES'))
3688 &am_line_error ('.SUFFIXES',
3689 "use variable \`SUFFIXES', not target \`.SUFFIXES'");
3692 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
3693 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
3694 # anything else, by sticking it right after the default: target.
3695 $output_header .= ".SUFFIXES:\n";
3696 if (@suffixes || &variable_defined ('SUFFIXES'))
3698 # Make sure suffixes has unique elements. Sort them to ensure
3699 # the output remains consistent. However, $(SUFFIXES) is
3700 # always at the start of the list, unsorted. This is done
3701 # because make will choose rules depending on the ordering of
3702 # suffixes, and this lets the user have some control. Push
3703 # actual suffixes, and not $(SUFFIXES). Some versions of make
3704 # do not like variable substitutions on the .SUFFIXES line.
3706 local (@user_suffixes) = (&variable_defined ('SUFFIXES')
3707 ? &variable_value_as_list ('SUFFIXES', '')
3710 grep ($suffixes{$_} = 1, @suffixes);
3711 delete @suffixes{@user_suffixes};
3713 $output_header .= (".SUFFIXES: "
3714 . join (' ', @user_suffixes, sort keys %suffixes)
3717 $output_trailer .= &file_contents ('footer');
3720 # Deal with installdirs target.
3721 sub handle_installdirs
3723 # GNU Makefile standards recommend this.
3724 if ($recursive_install)
3726 # We create a separate `-am' target so that the -recursive
3727 # rule will work correctly.
3728 $output_rules .= ("installdirs: installdirs-recursive\n"
3729 . "installdirs-am:\n");
3730 push (@phony, 'installdirs-am');
3734 $output_rules .= "installdirs:\n";
3736 push (@phony, 'installdirs');
3739 &pretty_print_rule ("\t" . '$(mkinstalldirs) ', "\t\t",
3742 $output_rules .= "\n";
3745 # There are several targets which need to be merged. This is because
3746 # their complete definition is compiled from many parts. Note that we
3747 # avoid double colon rules, otherwise we'd use them instead.
3748 sub handle_merge_targets
3750 local ($makefile) = @_;
3752 # There are a few install-related variables that you should not define.
3754 foreach $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
3756 if (&variable_defined ($var))
3758 &am_line_error ($var, "\`$var' should not be defined");
3762 # Put this at the beginning for the sake of non-GNU makes. This
3763 # is still wrong if these makes can run parallel jobs. But it is
3765 unshift (@all, &basename ($makefile));
3768 foreach $one_name (@config_names)
3770 push (@all, &basename ($one_name))
3771 if &dirname ($one_name) eq $relative_dir;
3774 &do_one_merge_target ('info', @info);
3775 &do_one_merge_target ('dvi', @dvi);
3776 &do_check_merge_target;
3777 &do_one_merge_target ('installcheck', @installcheck);
3779 if (defined $options{'no-installinfo'})
3781 &do_one_merge_target ('install-info', '');
3783 elsif (&target_defined ('install-info-local'))
3785 &am_line_error ('install-info-local',
3786 "\`install-info-local' target defined but \`no-installinfo' option not in use");
3790 foreach $utarg ('uninstall-data-local', 'uninstall-data-hook',
3791 'uninstall-exec-local', 'uninstall-exec-hook')
3793 if (&target_defined ($utarg))
3796 ($x = $utarg) =~ s/(data|exec)-//;
3797 &am_line_error ($utarg, "use \`$x', not \`$utarg'");
3801 if (&target_defined ('install-local'))
3803 &am_line_error ('install-local',
3804 "use \`install-data-local' or \`install-exec-local', not \`install-local'");
3807 if (@all || &variable_defined ('BUILT_SOURCES'))
3810 local ($local_headers) = '';
3811 $local_headers = '$(BUILT_SOURCES)'
3812 if &variable_defined ('BUILT_SOURCES');
3813 foreach $one_name (@config_names)
3815 if (&dirname ($one_name) eq $relative_dir)
3817 $local_headers .= ' ' if $local_headers;
3818 $local_headers .= &basename ($one_name);
3823 # This is kind of a hack, but I couldn't see a better way
3824 # to handle it. In this particular case, we need to make
3825 # sure config.h is built before we recurse. We can't do
3826 # this by changing the order of dependencies to the "all"
3827 # because that breaks when using parallel makes. Instead
3828 # we handle things explicitly.
3829 $output_rules .= ("all-recursive-am: ${local_headers}"
3831 . '$(MAKE) $(AM_MAKEFLAGS)'
3834 $all_target = 'all-recursive-am';
3835 push (@phony, 'all-recursive-am');
3839 if (&variable_defined('lib_LTLIBRARIES') &&
3840 &variable_defined('bin_PROGRAMS'))
3842 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
3844 # Print definitions users can use.
3845 &do_one_merge_target ('install-exec', @install_exec);
3846 $output_rules .= "\n";
3848 &do_one_merge_target ('install-data', @install_data);
3849 $output_rules .= "\n";
3851 &do_one_merge_target ('install', 'all-am');
3852 &do_one_merge_target ('uninstall', @uninstall);
3854 &do_one_merge_target ('all', @all);
3856 # Generate the new 'install-strip' target. We can't just set
3857 # INSTALL_PROGRAM because that might be a relative path.
3858 $output_rules .= ("install-strip:\n\t"
3859 . '$(MAKE) $(AM_MAKEFLAGS) INSTALL_STRIP_FLAG=-s install'
3861 push (@phony, 'install-strip');
3864 # Helper for handle_merge_targets. Note that handle_merge_targets
3865 # relies on the fact that this doesn't add an extra \n at the end.
3866 sub do_one_merge_target
3868 local ($name, @values) = @_;
3870 if (&target_defined ($name . '-local'))
3872 # User defined local form of target. So include it.
3873 push (@values, $name . '-local');
3874 push (@phony, $name . '-local');
3877 &pretty_print_rule ($name . "-am:", "\t\t", @values);
3878 if ($name eq 'install')
3880 # Special-case `install-am' to run install-exec-am and
3881 # install-data-am after all-am is built.
3882 &pretty_print_rule ("\t\@\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3883 'install-exec-am', 'install-data-am');
3885 elsif ($name eq 'install-exec' && &target_defined ('install-exec-hook'))
3887 $output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
3888 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-exec-hook'
3891 elsif ($name eq 'install-data' && &target_defined ('install-data-hook'))
3893 $output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
3894 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-data-hook'
3898 local ($lname) = $name . ($recursive_install ? '-recursive' : '-am');
3899 local ($tname) = $name;
3900 # To understand this special case, see handle_merge_targets.
3903 $tname = 'all-redirect';
3904 $lname = $all_target if $recursive_install;
3905 push (@phony, 'all-redirect');
3906 $output_all = "all: all-redirect\n";
3908 &pretty_print_rule ($tname . ":", "\t\t", $lname);
3909 push (@phony, $name . '-am', $name);
3912 # Handle check merge target specially.
3913 sub do_check_merge_target
3915 if (&target_defined ('check-local'))
3917 # User defined local form of target. So include it.
3918 push (@check_tests, 'check-local');
3919 push (@phony, 'check-local');
3922 # In --cygnus mode, check doesn't depend on all.
3925 # Just run the local check rules.
3926 &pretty_print_rule ('check-am:', "\t\t", @check);
3930 # The check target must depend on the local equivalent of
3931 # `all', to ensure all the primary targets are built. Then it
3932 # must build the local check rules.
3933 $output_rules .= "check-am: all-am\n";
3934 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3938 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3942 push (@phony, 'check', 'check-am');
3943 $output_rules .= ("check: "
3944 . ($recursive_install ? 'check-recursive' : 'check-am')
3948 # Handle all 'clean' targets.
3951 local ($xform) = '';
3954 # Don't include `MAINTAINER'; it is handled specially below.
3955 foreach $name ('MOSTLY', '', 'DIST')
3957 if (! &variable_defined ($name . 'CLEANFILES'))
3959 $xform .= 's/^' . $name . 'CLEAN.*$//;';
3963 $xform .= 's/^' . $name . 'CLEAN//;';
3967 # Built sources are automatically removed by maintainer-clean.
3968 push (@maintainer_clean_files, '\$(BUILT_SOURCES)')
3969 if &variable_defined ('BUILT_SOURCES');
3970 push (@maintainer_clean_files, '\$(MAINTAINERCLEANFILES)')
3971 if &variable_defined ('MAINTAINERCLEANFILES');
3972 if (! @maintainer_clean_files)
3974 $xform .= 's/^MAINTAINERCLEAN.*$//;';
3978 $xform .= ('s/^MAINTAINERCLEAN//;'
3979 # Join with no space to avoid spurious `test -z'
3980 # success at runtime.
3981 . 's,\@MCFILES\@,' . join ('', @maintainer_clean_files)
3983 # A space is required in the join here.
3984 . 's,\@MFILES\@,' . join (' ', @maintainer_clean_files)
3988 $output_rules .= &file_contents_with_transform ($xform, 'clean');
3990 push (@clean, 'generic');
3991 &push_phony_cleaners ('generic');
3993 &do_one_clean_target ('clean', 'mostly', '', @clean);
3994 &do_one_clean_target ('clean', '', 'mostly', @clean);
3995 &do_one_clean_target ('clean', 'dist', '', @clean);
3996 &do_one_clean_target ('clean', 'maintainer-', 'dist', @clean);
3998 push (@phony, 'clean', 'mostlyclean', 'distclean', 'maintainer-clean');
4001 # Helper for handle_clean.
4002 sub do_one_clean_target
4004 local ($target, $name, $last_name, @deps) = @_;
4006 # Change each dependency `BLARG' into `clean-BLARG'.
4007 grep (($_ = $name . 'clean-' . $_) && 0, @deps);
4009 # Push the previous clean target. There is no previous clean
4010 # target if we're doing mostlyclean.
4011 push (@deps, $last_name . $target . '-am')
4012 unless $name eq 'mostly';
4014 # If a -local version of the rule is given, add it to the list.
4015 if (&target_defined ($name . $target . '-local'))
4017 push (@deps, $name . $target . '-local');
4020 # Print the target and the dependencies.
4021 &pretty_print_rule ($name . $target . "-am: ", "\t\t", @deps);
4023 # FIXME: shouldn't we really print these messages before running
4025 if ($name . $target eq 'maintainer-clean')
4027 # Print a special warning.
4029 ("\t\@echo \"This command is intended for maintainers to use;\"\n"
4030 . "\t\@echo \"it deletes files that may require special "
4031 . "tools to rebuild.\"\n");
4033 elsif ($name . $target eq 'distclean')
4035 $output_rules .= "\t-rm -f libtool\n" if $seen_libtool;
4037 $output_rules .= "\n";
4039 # Now generate the actual clean target.
4040 $output_rules .= ($name . $target . ": " . $name . $target
4041 . ($recursive_install ? '-recursive' : '-am')
4044 # We special-case config.status here. If we do it as part of the
4045 # normal clean processing for this directory, then it might be
4046 # removed before some subdir is cleaned. However, that subdir's
4047 # Makefile depends on config.status.
4048 if (($name . $target eq 'maintainer-clean'
4049 || $name . $target eq 'distclean')
4050 && $relative_dir eq '.')
4052 $output_rules .= "\t-rm -f config.status\n";
4054 $output_rules .= "\n";
4057 # Handle .PHONY target.
4060 &pretty_print_rule ('.PHONY:', "", sort @phony);
4061 $output_rules .= "\n";
4064 # Handle TESTS variable and other checks.
4067 if (defined $options{'dejagnu'})
4069 push (@check_tests, 'check-DEJAGNU');
4070 push (@phony, 'check-DEJAGNU');
4075 $xform = 's/^CYGNUS//;';
4079 $xform = 's/^CYGNUS.*$//;';
4081 $output_rules .= &file_contents_with_transform ($xform, 'dejagnu');
4083 # In Cygnus mode, these are found in the build tree.
4084 # Otherwise they are looked for in $PATH.
4085 &define_program_variable ('EXPECT', 'build', 'expect', 'expect');
4086 &define_program_variable ('RUNTEST', 'src', 'dejagnu', 'runtest');
4088 # Only create site.exp rule if user hasn't already written
4090 if (! &target_defined ('site.exp'))
4092 # Note that in the rule we don't directly generate
4093 # site.exp to avoid the possibility of a corrupted
4094 # site.exp if make is interrupted. Jim Meyering has some
4095 # useful text on this topic.
4096 $output_rules .= ("site.exp: Makefile\n"
4097 . "\t\@echo 'Making a new site.exp file...'\n"
4098 . "\t\@test ! -f site.bak || rm -f site.bak\n"
4099 . "\t\@echo '## these variables are automatically generated by make ##' > \$\@-t\n"
4100 . "\t\@echo '# Do not edit here. If you wish to override these values' >> \$\@-t\n"
4101 . "\t\@echo '# edit the last section' >> \$\@-t\n"
4102 . "\t\@echo 'set tool \$(DEJATOOL)' >> \$\@-t\n"
4103 . "\t\@echo 'set srcdir \$(srcdir)' >> \$\@-t\n"
4104 . "\t\@echo 'set objdir' \`pwd\` >> \$\@-t\n");
4106 # Extra stuff for AC_CANONICAL_*
4107 local (@whatlist) = ();
4108 if ($seen_canonical)
4110 push (@whatlist, 'host');
4113 # Extra stuff only for AC_CANONICAL_SYSTEM.
4114 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
4116 push (@whatlist, 'target', 'build');
4120 foreach $c1 (@whatlist)
4122 foreach $c2 ('alias', 'triplet')
4124 $output_rules .= "\t\@echo 'set ${c1}_${c2} \$(${c1}_${c2})' >> \$\@-t\n";
4128 $output_rules .= ("\t\@echo '## All variables above are generated by configure. Do Not Edit ##' >> \$\@-t\n"
4129 . "\t\@test ! -f site.exp || sed '1,/^## All variables above are.*##/ d' site.exp >> \$\@-t\n"
4130 . "\t\@test ! -f site.exp || mv site.exp site.bak\n"
4131 . "\t\@mv \$\@-t site.exp\n");
4137 foreach $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4139 if (&variable_defined ($c))
4141 &am_line_error ($c, "\`$c' defined but \`dejagnu' not in \`AUTOMAKE_OPTIONS'");
4146 if (&variable_defined ('TESTS'))
4148 push (@check_tests, 'check-TESTS');
4150 # Note: Solaris 2.7 seems to expand TESTS using VPATH. That's
4151 # why we also try `dir='
4152 $output_rules .= &file_contents ('check');
4156 # Handle Emacs Lisp.
4157 sub handle_emacs_lisp
4159 local (@elfiles) = &am_install_var ('-candist', 'lisp', 'LISP',
4165 &define_configure_variable ('lispdir');
4166 &define_configure_variable ('EMACS');
4167 $output_rules .= (".el.elc:\n"
4168 . "\t\@echo 'WARNING: Warnings can be ignored. :-)'\n"
4169 . "\tif test \$(EMACS) != no; then \\\n"
4170 . "\t EMACS=\$(EMACS) \$(SHELL) \$(srcdir)/elisp-comp \$<; \\\n"
4172 push (@suffixes, '.el', '.elc');
4174 # Generate .elc files.
4175 grep ($_ .= 'c', @elfiles);
4176 &define_pretty_variable ('ELCFILES', '', @elfiles);
4178 $output_rules .= &file_contents ('lisp-clean');
4179 push (@clean, 'lisp');
4180 &push_phony_cleaners ('lisp');
4182 push (@all, '$(ELCFILES)');
4185 if (&variable_defined ('lisp_LISP'))
4187 $varname = 'lisp_LISP';
4188 &am_error ("\`lisp_LISP' defined but \`AM_PATH_LISPDIR' not in \`$configure_ac'")
4193 $varname = 'noinst_LISP';
4196 &require_file_with_line ($varname, $FOREIGN, 'elisp-comp');
4203 local (@pyfiles) = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4204 'python', 'noinst');
4205 return if ! @pyfiles;
4207 # Found some python.
4208 &define_configure_variable ('pythondir');
4209 &define_configure_variable ('PYTHON');
4211 $output_rules .= &file_contents ('python-clean');
4212 push (@clean, 'python');
4214 &am_error ("\`python_PYTHON' defined but \`AM_CHECK_PYTHON' not in \`$configure_ac'")
4215 if ! $seen_pythondir && &variable_defined ('python_PYTHON');
4217 if ($config_aux_dir eq '.' || $config_aux_dir eq '')
4219 &define_variable ('py_compile', '$(top_srcdir)/py-compile');
4223 &define_variable ('py_compile', $config_aux_dir . '/py-compile');
4230 local (@sourcelist) = &am_install_var ('-candist', '-clean',
4232 'java', 'noinst', 'check');
4233 return if ! @sourcelist;
4235 &define_variable ('JAVAC', 'javac');
4236 &define_variable ('JAVACFLAGS', '');
4237 &define_variable ('CLASSPATH_ENV',
4238 'CLASSPATH=$(JAVAROOT):$(srcdir)/$(JAVAROOT):$$CLASSPATH');
4239 &define_variable ('JAVAROOT', '$(top_builddir)');
4241 local (%valid) = &am_primary_prefixes ('JAVA', 1,
4242 'java', 'noinst', 'check');
4244 local ($dir, $curs);
4245 foreach $curs (keys %valid)
4247 if (! &variable_defined ($curs . '_JAVA') || $curs eq 'EXTRA')
4254 &am_line_error ($curs . '_JAVA',
4255 "multiple _JAVA primaries in use");
4260 $output_rules .= ('class' . $dir . '.stamp: $(' . $dir . '_JAVA)' . "\n"
4261 . "\t" . '$(CLASSPATH_ENV) $(JAVAC) -d $(JAVAROOT) '
4262 . '$(JAVACFLAGS) $?' . "\n"
4263 . "\t" . 'echo timestamp > class' . $dir . '.stamp'
4265 push (@all, 'class' . $dir . '.stamp');
4266 &push_dist_common ('$(' . $dir . '_JAVA)');
4269 # Handle some of the minor options.
4270 sub handle_minor_options
4272 if (defined $options{'readme-alpha'})
4274 if ($relative_dir eq '.')
4276 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
4278 # FIXME: allow real filename.
4279 &am_conf_line_error ($configure_ac,
4280 $package_version_line,
4281 "version \`$package_version' doesn't follow Gnits standards");
4283 elsif (defined $1 && -f 'README-alpha')
4285 # This means we have an alpha release. See
4286 # GNITS_VERSION_PATTERN for details.
4287 &require_file ($FOREIGN, 'README-alpha');
4293 ################################################################
4295 # &scan_one_autoconf_file ($FILENAME)
4296 # -----------------------------------
4297 # Scan one file for interesting things. Subroutine of
4298 # &scan_autoconf_files.
4299 sub scan_one_autoconf_file
4301 local ($filename) = @_;
4304 open (CONFIGURE, $filename)
4305 || die "automake: couldn't open \`$filename': $!\n";
4306 print "automake: reading $filename\n" if $verbose;
4310 # Remove comments from current line.
4314 # Skip macro definitions. Otherwise we might be confused into
4315 # thinking that a macro that was only defined was actually
4319 # Follow includes. This is a weirdness commonly in use at
4320 # Cygnus and hopefully nowhere else.
4321 if (/sinclude\((.*)\)/ && -f $1)
4323 &scan_one_autoconf_file ($1);
4326 # Populate libobjs array.
4327 if (/AC_FUNC_ALLOCA/)
4329 $libsources{'alloca.c'} = 1;
4331 elsif (/AC_FUNC_GETLOADAVG/)
4333 $libsources{'getloadavg.c'} = 1;
4335 elsif (/AC_FUNC_MEMCMP/)
4337 $libsources{'memcmp.c'} = 1;
4339 elsif (/AC_STRUCT_ST_BLOCKS/)
4341 $libsources{'fileblocks.c'} = 1;
4343 elsif (/A[CM]_REPLACE_GNU_GETOPT/)
4345 $libsources{'getopt.c'} = 1;
4346 $libsources{'getopt1.c'} = 1;
4348 elsif (/AM_FUNC_STRTOD/)
4350 $libsources{'strtod.c'} = 1;
4352 elsif (/AM_WITH_REGEX/)
4354 $libsources{'rx.c'} = 1;
4355 $libsources{'rx.h'} = 1;
4356 $libsources{'regex.c'} = 1;
4357 $libsources{'regex.h'} = 1;
4358 $omit_dependencies{'rx.h'} = 1;
4359 $omit_dependencies{'regex.h'} = 1;
4361 elsif (/AC_FUNC_MKTIME/)
4363 $libsources{'mktime.c'} = 1;
4365 elsif (/AM_FUNC_ERROR_AT_LINE/)
4367 $libsources{'error.c'} = 1;
4368 $libsources{'error.h'} = 1;
4370 elsif (/AM_FUNC_OBSTACK/)
4372 $libsources{'obstack.c'} = 1;
4373 $libsources{'obstack.h'} = 1;
4375 elsif (/LIBOBJS="(.*)\s+\$LIBOBJS"/
4376 || /LIBOBJS="\$LIBOBJS\s+(.*)"/)
4378 foreach $libobj_iter (split (' ', $1))
4380 if ($libobj_iter =~ /^(.*)\.o(bj)?$/
4381 || $libobj_iter =~ /^(.*)\.\$ac_objext$/
4382 || $libobj_iter =~ /^(.*)\.\$\{ac_objext\}$/)
4384 $libsources{$1 . '.c'} = 1;
4388 elsif (/AC_LIBOBJ\(([^)]+)\)/)
4390 $libsources{"$1.c"} = 1;
4393 if (! $in_ac_replace && s/AC_REPLACE_FUNCS\s*\(\[?//)
4399 $in_ac_replace = 0 if s/[\]\)].*$//;
4400 # Remove trailing backslash.
4404 # Need to skip empty elements for Perl 4.
4406 $libsources{$_ . '.c'} = 1;
4410 if (/$obsolete_rx/o)
4413 if ($obsolete_macros{$1} ne '')
4415 $hint = '; ' . $obsolete_macros{$1};
4417 &am_conf_line_error ($filename, $., "\`$1' is obsolete$hint");
4420 # Process the AC_OUTPUT and AC_CONFIG_FILES macros.
4421 if (! $in_ac_output && s/AC_(OUTPUT|CONFIG_FILES)\s*\(\[?//)
4424 $ac_output_line = $.;
4428 local ($closing) = 0;
4435 # Look at potential Makefile.am's.
4438 # Must skip empty string for Perl 4.
4439 next if $_ eq "\\" || $_ eq '';
4441 # Handle $local:$input syntax. Note that we ignore
4442 # every input file past the first, though we keep
4443 # those around for later.
4444 local ($local, $input, @rest) = split (/:/);
4451 # FIXME: should be error if .in is missing.
4452 $input =~ s/\.in$//;
4455 if (-f $input . '.am')
4457 # We have a file that automake should generate.
4458 push (@make_input_list, $input);
4459 $make_list{$input} = join (':', ($local, @rest));
4463 # We have a file that automake should cause to be
4464 # rebuilt, but shouldn't generate itself.
4465 push (@other_input_files, $_);
4469 if ($closing && @make_input_list == 0 && @other_input_files == 0)
4471 &am_conf_line_error ($filename, $ac_output_line,
4472 "No files mentioned in \`AC_OUTPUT'");
4477 if (/$AC_CONFIG_AUX_DIR_PATTERN/o)
4479 @config_aux_path = $1;
4482 # Check for ansi2knr.
4483 $am_c_prototypes = 1 if /AM_C_PROTOTYPES/;
4485 # Check for exe extension stuff.
4489 $configure_vars{'EXEEXT'} = $filename . ':' . $.;
4495 $configure_vars{'OBJEXT'} = $filename . ':' . $.;
4498 # Check for `-c -o' code.
4499 $seen_cc_c_o = 1 if /AM_PROG_CC_C_O/;
4501 # Check for NLS support.
4502 if (/AM_GNU_GETTEXT/)
4505 $ac_gettext_line = $.;
4506 $omit_dependencies{'libintl.h'} = 1;
4509 # Look for ALL_LINGUAS.
4510 if (/ALL_LINGUAS="(.*)"$/ || /ALL_LINGUAS=(.*)$/)
4514 $all_linguas_line = $.;
4517 # Handle configuration headers. A config header of `[$1]'
4518 # means we are actually scanning AM_CONFIG_HEADER from
4520 if (/A([CM])_CONFIG_HEADERS?\s*\((.*)\)/
4524 ($filename, $., "\`automake requires \`AM_CONFIG_HEADER', not \`AC_CONFIG_HEADER'")
4527 $config_header_line = $.;
4529 foreach $one_hdr (split (' ', $2))
4531 push (@config_fullnames, $one_hdr);
4532 if ($one_hdr =~ /^([^:]+):(.+)$/)
4534 push (@config_names, $1);
4535 push (@config_headers, $2);
4539 push (@config_names, $one_hdr);
4540 push (@config_headers, $one_hdr . '.in');
4545 # Handle AC_CANONICAL_*. Always allow upgrading to
4546 # AC_CANONICAL_SYSTEM, but never downgrading.
4547 $seen_canonical = $AC_CANONICAL_HOST
4548 if ! $seen_canonical
4549 && (/AC_CANONICAL_HOST/ || /AC_CHECK_TOOL/);
4550 $seen_canonical = $AC_CANONICAL_SYSTEM if /AC_CANONICAL_SYSTEM/;
4552 $seen_path_xtra = 1 if /AC_PATH_XTRA/;
4554 # This macro handles several different things.
4555 if (/$AM_INIT_AUTOMAKE_PATTERN/o)
4559 $seen_prog_install = 1;
4560 ($package_version = $1) =~ s/$AM_PACKAGE_VERSION_PATTERN/$1/o;
4561 $package_version_line = $.;
4562 $seen_init_automake = 1;
4565 # Some things required by Automake.
4566 $seen_make_set = 1 if /AC_PROG_MAKE_SET/;
4567 $seen_arg_prog = 1 if /AC_ARG_PROGRAM/;
4571 $configure_vars{'LEX'} = $filename . ':' . $.;
4572 $seen_decl_yytext = 1;
4574 if (/AC_DECL_YYTEXT/ && $filename =~ /configure\.in$/)
4576 &am_conf_line_warning ($filename, $., "\`AC_DECL_YYTEXT' is covered by \`AM_PROG_LEX'");
4578 if (/AC_PROG_LEX/ && $filename =~ /configure\.in$/)
4580 &am_conf_line_warning ($filename, $., "automake requires \`AM_PROG_LEX', not \`AC_PROG_LEX'");
4583 if (/AC_PROG_(F77|YACC|RANLIB|CC|CXXCPP|CXX|LEX|AWK|CPP|LN_S)/)
4585 $configure_vars{$1} = $filename . ':' . $.;
4587 if (/$AC_CHECK_PATTERN/o)
4589 $configure_vars{$3} = $filename . ':' . $.;
4591 if (/$AM_MISSING_PATTERN/o
4595 && $1 ne 'AUTOHEADER')
4597 $configure_vars{$1} = $filename . ':' . $.;
4600 # Explicitly avoid ANSI2KNR -- we AC_SUBST that in protos.m4,
4601 # but later define it elsewhere. This is pretty hacky. We
4602 # also explicitly avoid INSTALL_SCRIPT and some other
4603 # variables because they are defined in header-vars.am.
4605 if (/$AC_SUBST_PATTERN/o
4607 && $1 ne 'INSTALL_SCRIPT'
4608 && $1 ne 'INSTALL_DATA')
4610 $configure_vars{$1} = $filename . ':' . $.;
4613 $seen_decl_yytext = 1 if /AC_DECL_YYTEXT/;
4614 if (/AM_MAINTAINER_MODE/)
4616 $seen_maint_mode = 1;
4617 $configure_cond{'MAINTAINER_MODE'} = 1;
4620 $seen_prog_install = 1 if /AC_PROG_INSTALL/;
4621 $seen_lispdir = 1 if /AM_PATH_LISPDIR/;
4622 $seen_pythondir = 1 if /AM_PATH_PYTHON/;
4624 if (/A(C|M)_PROG_LIBTOOL/)
4626 if (/AM_PROG_LIBTOOL/)
4628 &am_conf_line_warning ($filename, $., "\`AM_PROG_LIBTOOL' is obsolete, use \`AC_PROG_LIBTOOL' instead");
4632 $configure_vars{'LIBTOOL'} = $filename . ':' . $.;
4633 $configure_vars{'RANLIB'} = $filename . ':' . $.;
4634 $configure_vars{'CC'} = $filename . ':' . $.;
4635 # AC_PROG_LIBTOOL runs AC_CANONICAL_HOST. Make sure we
4636 # never downgrade (if we've seen AC_CANONICAL_SYSTEM).
4637 $seen_canonical = $AC_CANONICAL_HOST if ! $seen_canonical;
4640 $seen_multilib = 1 if (/AM_ENABLE_MULTILIB/);
4642 if (/$AM_CONDITIONAL_PATTERN/o)
4644 $configure_cond{$1} = 1;
4647 # Check for Fortran 77 intrinsic and run-time libraries.
4648 if (/AC_F77_LIBRARY_LDFLAGS/)
4650 $configure_vars{'FLIBS'} = $filename . ':' . $.;
4657 # &scan_autoconf_files ()
4658 # -----------------------
4659 # Check whether we use `configure.ac' or `configure.in'.
4660 # Scan it (and possibly `aclocal.m4') for interesting things.
4661 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
4662 sub scan_autoconf_files
4664 # Reinitialize libsources here. This isn't really necessary,
4665 # since we currently assume there is only one configure.ac. But
4666 # that won't always be the case.
4669 local ($in_ac_output, $in_ac_replace) = (0, 0);
4670 local (%make_list, @make_input_list);
4671 local ($libobj_iter);
4673 warn "automake: both \`configure.ac' and \`configure.in' present:"
4674 . " ignoring \`configure.in'\n"
4675 if -f 'configure.ac' && -f 'configure.in';
4676 $configure_ac = 'configure.in'
4677 if -f 'configure.in';
4678 $configure_ac = 'configure.ac'
4679 if -f 'configure.ac';
4680 die "automake: \`configure.ac' or \`configure.in' is required\n"
4683 &scan_one_autoconf_file ($configure_ac);
4684 &scan_one_autoconf_file ('aclocal.m4')
4687 # Set input and output files if not specified by user.
4690 @input_files = @make_input_list;
4691 %output_files = %make_list;
4694 @configure_input_files = @make_input_list;
4696 &am_conf_error ("\`AM_INIT_AUTOMAKE' must be used")
4697 if ! $seen_init_automake;
4699 # Always require AC_PROG_MAKE_SET. We might randomly use $(MAKE)
4700 # for our own reasons.
4701 &am_conf_error ("\`AC_PROG_MAKE_SET' must be used")
4702 if ! $seen_make_set;
4704 # Look for some files we need. Always check for these. This
4705 # check must be done for every run, even those where we are only
4706 # looking at a subdir Makefile. We must set relative_dir so that
4707 # the file-finding machinery works.
4708 local ($relative_dir) = '.';
4709 &require_config_file ($FOREIGN, 'install-sh', 'mkinstalldirs', 'missing');
4710 &am_error ("\`install.sh' is an anachronism; use \`install-sh' instead")
4711 if -f $config_aux_path[0] . '/install.sh';
4713 &require_config_file ($FOREIGN, 'py-compile')
4716 # Preserve dist_common for later.
4717 %configure_dist_common = %dist_common;
4720 ################################################################
4722 # Set up for Cygnus mode.
4725 return unless $cygnus_mode;
4727 &set_strictness ('foreign');
4728 $options{'no-installinfo'} = 1;
4729 $options{'no-dependencies'} = 1;
4730 $use_dependencies = 0;
4732 if (! $seen_maint_mode)
4734 &am_conf_error ("\`AM_MAINTAINER_MODE' required when --cygnus specified");
4739 &am_conf_error ("\`AC_EXEEXT' required when --cygnus specified");
4743 # Do any extra checking for GNU standards.
4744 sub check_gnu_standards
4746 if ($relative_dir eq '.')
4748 # In top level (or only) directory.
4749 &require_file ($GNU, 'INSTALL', 'NEWS', 'README', 'COPYING',
4750 'AUTHORS', 'ChangeLog');
4753 if ($strictness >= $GNU)
4755 if (defined $options{'no-installman'})
4757 &am_line_error ('AUTOMAKE_OPTIONS',
4758 "option \`no-installman' disallowed by GNU standards");
4761 if (defined $options{'no-installinfo'})
4763 &am_line_error ('AUTOMAKE_OPTIONS',
4764 "option \`no-installinfo' disallowed by GNU standards");
4769 # Do any extra checking for GNITS standards.
4770 sub check_gnits_standards
4772 if ($relative_dir eq '.')
4774 # In top level (or only) directory.
4775 &require_file ($GNITS, 'THANKS');
4779 ################################################################
4781 # Functions to handle files of each language.
4783 # Each `lang_X_rewrite' function follows a simple formula:
4784 # * Args are the directory, base name and extension of the file.
4785 # * Return value is 1 if file is to be dealt with, 0 otherwise.
4786 # Much of the actual processing is handled in handle_single_transform_list.
4787 # These functions exist so that auxiliary information can be recorded
4788 # for a later cleanup pass. Note that the calls to these functions
4789 # are computed, so don't bother searching for their precise names
4792 # This is just a convenience function that can be used to determine
4793 # when a subdir object should be used.
4796 return defined $options{'subdir-objects'} ? $LANG_SUBDIR : $LANG_PROCESS;
4799 # Rewrite a single C source file.
4802 local ($directory, $base, $ext) = @_;
4804 if (defined $options{'ansi2knr'} && $base =~ /_$/)
4806 # FIXME: include line number in error.
4807 &am_error ("C source file \`$base.c' would be deleted by ansi2knr rules");
4810 local ($r) = $LANG_PROCESS;
4811 if (defined $options{'subdir-objects'})
4814 $base = $directory . '/' . $base;
4818 # Only give error once.
4820 # FIXME: line number.
4821 &am_error ("C objects in subdir but \`AM_PROG_CC_C_O' not in \`$configure_ac'");
4824 &require_file ($FOREIGN, 'compile')
4825 if $relative_dir eq '.';
4828 $de_ansi_files{$base} = 1;
4832 # Rewrite a single C++ source file.
4833 sub lang_cxx_rewrite
4835 return &lang_sub_obj;
4838 # Rewrite a single header file.
4839 sub lang_header_rewrite
4841 # Header files are simply ignored.
4842 return $LANG_IGNORE;
4845 # Rewrite a single yacc file.
4846 sub lang_yacc_rewrite
4848 local ($directory, $base, $ext) = @_;
4850 local ($r) = &lang_c_rewrite ($directory, $base, $ext);
4852 if ($r == $LANG_SUBDIR)
4854 $pfx = $directory . '/';
4856 $yacc_sources{$pfx . $base . '.' . $ext} = 1;
4858 &saw_extension ('c');
4860 &push_dist_common ($pfx . $base . '.' . $ext);
4864 # Rewrite a single yacc++ file.
4865 sub lang_yaccxx_rewrite
4867 local ($directory, $base, $ext) = @_;
4869 local ($r) = $LANG_PROCESS;
4871 if (defined $options{'subdir-objects'})
4873 $pfx = $directory . '/';
4876 $yacc_sources{$pfx . $base . '.' . $ext} = 1;
4878 &saw_extension ($ext);
4880 &push_dist_common ($pfx . $base . '.' . $ext);
4884 # Rewrite a single lex file.
4885 sub lang_lex_rewrite
4887 local ($directory, $base, $ext) = @_;
4889 local ($r) = &lang_c_rewrite ($directory, $base, $ext);
4891 if ($r == $LANG_SUBDIR)
4893 $pfx = $directory . '/';
4895 $lex_sources{$pfx . $base . '.' . $ext} = 1;
4897 &saw_extension ('c');
4899 &push_dist_common ($pfx . $base . '.' . $ext);
4903 # Rewrite a single lex++ file.
4904 sub lang_lexxx_rewrite
4906 local ($directory, $base, $ext) = @_;
4908 local ($r) = $LANG_PROCESS;
4910 if (defined $options{'subdir-objects'})
4912 $pfx = $directory . '/';
4915 $lex_sources{$pfx . $base . '.' . $ext} = 1;
4917 &saw_extension ($ext);
4919 &push_dist_common ($pfx . $base . '.' . $ext);
4923 # Rewrite a single assembly file.
4924 sub lang_asm_rewrite
4926 return &lang_sub_obj;
4929 # Rewrite a single Fortran 77 file.
4930 sub lang_f77_rewrite
4932 return $LANG_PROCESS;
4935 # Rewrite a single preprocessed Fortran 77 file.
4936 sub lang_ppf77_rewrite
4938 return $LANG_PROCESS;
4941 # Rewrite a single ratfor file.
4942 sub lang_ratfor_rewrite
4944 return $LANG_PROCESS;
4947 # Rewrite a single Objective C file.
4948 sub lang_objc_rewrite
4950 return &lang_sub_obj;
4953 # Rewrite a single Java file.
4954 sub lang_java_rewrite
4956 return $LANG_SUBDIR;
4959 # The lang_X_finish functions are called after all source file
4960 # processing is done. Each should handle defining rules for the
4961 # language, etc. A finish function is only called if a source file of
4962 # the appropriate type has been seen.
4966 # Push all libobjs files onto de_ansi_files. We actually only
4967 # push files which exist in the current directory, and which are
4968 # genuine source files.
4970 foreach $file (keys %libsources)
4972 if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
4974 $de_ansi_files{$1} = 1;
4978 if (defined $options{'ansi2knr'} && keys %de_ansi_files)
4980 # Make all _.c files depend on their corresponding .c files.
4981 local ($base, @objects);
4982 foreach $base (sort keys %de_ansi_files)
4984 # Each _.c file must depend on ansi2knr; otherwise it
4985 # might be used in a parallel build before it is built.
4986 # We need to support files in the srcdir and in the build
4987 # dir (because these files might be auto-generated. But
4988 # we can't use $< -- some makes only define $< during a
4990 $output_rules .= ($base . "_.c: $base.c \$(ANSI2KNR)\n\t"
4991 . '$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
4992 . '`if test -f $(srcdir)/' . $base . '.c'
4993 . '; then echo $(srcdir)/' . $base . '.c'
4994 . '; else echo ' . $base . '.c; fi` '
4995 . "| sed 's/^# \\([0-9]\\)/#line \\1/' "
4996 . '| $(ANSI2KNR) > ' . $base . "_.c\n");
4997 push (@objects, $base . '_'
4998 . ($seen_objext ? '.$(OBJEXT)' : '.o'));
4999 push (@objects, $base . '_.lo') if $seen_libtool;
5002 # Make all _.o (and _.lo) files depend on ansi2knr.
5003 # Use a sneaky little hack to make it print nicely.
5004 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
5007 if (! defined $configure_vars{'CC'})
5009 # FIXME: line number.
5010 &am_error ("C source seen but \`CC' not defined in \`$configure_ac'");
5016 local ($ltcompile, $ltlink) = &libtool_compiler;
5018 &define_variable ('CXXLD', '$(CXX)');
5019 &define_variable ('CXXLINK', $ltlink . '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5021 if (! defined $configure_vars{'CXX'})
5023 &am_error ("C++ source seen but \`CXX' not defined in \`$configure_ac'");
5027 sub lang_header_finish
5032 # This is a helper for both lex and yacc.
5033 sub yacc_lex_finish_helper
5035 return if defined $language_scratch{'lex-yacc-done'};
5036 $language_scratch{'lex-yacc-done'} = 1;
5038 # If there is more than one distinct yacc (resp lex) source file
5039 # in a given directory, then the `ylwrap' program is required to
5040 # allow parallel builds to work correctly. FIXME: for now, no
5042 &require_config_file ($FOREIGN, 'ylwrap');
5043 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
5045 &define_variable ('YLWRAP', $config_aux_dir . "/ylwrap");
5049 &define_variable ('YLWRAP', '$(srcdir)/ylwrap');
5053 sub lang_yacc_finish
5055 return if defined $language_scratch{'yacc-done'};
5056 $language_scratch{'yacc-done'} = 1;
5058 local ($file, $base, $hname, $cname);
5059 local (%seen_suffix) = ();
5060 local (@yacc_files) = sort keys %yacc_sources;
5061 local ($yacc_count) = scalar (@yacc_files);
5062 foreach $file (@yacc_files)
5065 &output_yacc_build_rule ($1, $yacc_count > 1)
5066 if ! defined $seen_suffix{$1};
5067 $seen_suffix{$1} = 1;
5069 $file =~ /^(.*)\.(y|yy|y\+\+|yxx|ypp)$/;
5071 $hname = 'h'; # Always use `.h' for header file.
5072 ($cname = $2) =~ tr/y/c/;
5074 if ((&variable_defined ('AM_YFLAGS')
5075 && &variable_value ('AM_YFLAGS') =~ /(^|\s)-d(\s|$)/)
5076 || (&variable_defined ('YFLAGS')
5077 && &variable_value ('YFLAGS') =~ /(^|\s)-d(\s|$)/)) {
5078 # Now generate rule to make the header file. This should only
5079 # be generated if `yacc -d' specified.
5080 $output_rules .= "${base}.${hname}: ${base}.${cname}\n";
5082 # If the files are built in the build directory, then we want
5083 # to remove them with `make clean'. If they are in srcdir
5084 # they shouldn't be touched. However, we can't determine this
5085 # statically, and the GNU rules say that yacc/lex output files
5086 # should be removed by maintainer-clean. So that's what we
5088 push (@maintainer_clean_files, "${base}.${hname}");
5090 &push_dist_common ("${base}.${hname}");
5092 push (@maintainer_clean_files, "${base}.${cname}");
5094 $output_rules .= "\n";
5096 if (! defined $configure_vars{'YACC'})
5098 &am_error ("yacc source seen but \`YACC' not defined in \`$configure_ac'");
5100 if (&variable_defined ('YACCFLAGS'))
5102 &am_line_error ('YACCFLAGS',
5103 "\`YACCFLAGS' obsolete; use \`YFLAGS' instead");
5106 if ($yacc_count > 1)
5108 &yacc_lex_finish_helper;
5112 sub lang_yaccxx_finish
5119 return if defined $language_scratch{'lex-done'};
5120 $language_scratch{'lex-done'} = 1;
5122 local (%seen_suffix) = ();
5123 local ($file, $cname);
5124 local ($lex_count) = scalar (keys %lex_sources);
5125 foreach $file (sort keys %lex_sources)
5128 &output_lex_build_rule ($1, $lex_count > 1)
5129 if (! defined $seen_suffix{$1});
5130 $seen_suffix{$1} = 1;
5132 # If the files are built in the build directory, then we want
5133 # to remove them with `make clean'. If they are in srcdir
5134 # they shouldn't be touched. However, we can't determine this
5135 # statically, and the GNU rules say that yacc/lex output files
5136 # should be removed by maintainer-clean. So that's what we
5138 $file =~ /^(.*)\.(l|ll|l\+\+|lxx|lpp)$/;
5139 ($cname = $2) =~ tr/l/c/;
5140 push (@maintainer_clean_files, "${1}.${cname}");
5143 if (! defined $configure_vars{'LEX'})
5145 &am_error ("lex source seen but \`LEX' not defined in \`$configure_ac'");
5147 if (! $seen_decl_yytext)
5149 &am_error ("lex source seen but \`AC_DECL_YYTEXT' not in \`$configure_ac'");
5154 &yacc_lex_finish_helper;
5158 sub lang_lexxx_finish
5165 # We need the C code for assembly.
5171 # FIXME: this function can be called more than once. We should
5172 # arrange for it to only do anything the first time through.
5174 local ($ltcompile, $ltlink) = &libtool_compiler;
5176 &define_variable ('F77LD', '$(F77)');
5177 &define_variable ('F77LINK', $ltlink . '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5179 if (! defined $configure_vars{'F77'})
5181 &am_error ("Fortran 77 source seen but \`F77' not defined in \`$configure_ac'");
5185 # Preprocessed Fortran 77
5187 # The current support for preprocessing Fortran 77 just involves passing
5188 # `$(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)' as additional flags
5189 # to the Fortran 77 compiler, since this is how GNU Make does it; see
5190 # the `GNU Make Manual, Edition 0.51 for `make' Version 3.76 Beta'
5191 # (specifically, from info file `(make)Catalogue of Rules').
5193 # A better approach would be to write an Autoconf test
5194 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
5195 # Fortran 77 compilers know how to do preprocessing. The Autoconf macro
5196 # AC_PROG_FPP should test the Fortran 77 compiler first for
5197 # preprocessing capabilities, and then fall back on cpp (if cpp were
5199 sub lang_ppf77_finish
5203 # We also handle the case of preprocessing `.F' files into `.f'
5205 $output_rules .= (".F.f:\n"
5206 . "\t\$(F77COMPILE) -F \$<\n");
5209 sub lang_ratfor_finish
5213 # We also handle the case of preprocessing `.r' files into `.f'
5215 $output_rules .= (".r.f:\n"
5216 . "\t\$(RCOMPILE) -F \$<\n");
5219 sub lang_objc_finish
5221 local ($ltcompile, $ltlink) = &libtool_compiler;
5223 &define_variable ('OBJCLD', '$(OBJC)');
5224 &define_variable ('OBJCLINK', $ltlink . '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5226 if (! defined $configure_vars{'OBJC'})
5228 &am_error ("Objective C source seen but \`OBJC' not defined in \`$configure_ac'");
5232 sub lang_java_finish
5234 local ($ltcompile, $ltlink) = &libtool_compiler;
5236 &define_variable ('GCJLD', '$(GCJ)');
5237 &define_variable ('GCJLINK', $ltlink . '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5239 if (! defined $configure_vars{'GCJ'})
5241 &am_error ("Java source seen but \`GCJ' not defined in \`$configure_ac'");
5245 # A helper which computes a sorted list of all extensions for LANG.
5250 foreach $key (sort keys %extension_seen)
5252 push (@r, '.' . $key) if $extension_map{$key} eq $lang;
5257 # A helper which decides whether libtool is needed. Returns prefix
5258 # for compiler and linker.
5259 sub libtool_compiler
5261 local ($ltcompile, $ltlink) = ('', '');
5264 &define_configure_variable ("LIBTOOL");
5265 $ltcompile = '$(LIBTOOL) --mode=compile ';
5266 $ltlink = '$(LIBTOOL) --mode=link ';
5268 return ($ltcompile, $ltlink);
5271 # Given a hash table of linker names, pick the name that has the most
5272 # precedence. This is lame, but something has to have global
5273 # knowledge in order to eliminate the conflict. Add more linkers as
5277 local (%linkers) = @_;
5280 if defined $linkers{'GCJLINK'};
5282 if defined $linkers{'CXXLINK'};
5284 if defined $linkers{'F77LINK'};
5286 if defined $linkers{'OBJCLINK'};
5290 # Called to indicate that an extension was used.
5294 $extension_seen{$ext} = 1;
5297 # Called to ask whether source files have been seen . If HEADERS is 1,
5298 # headers can be included.
5301 local ($headers) = @_;
5309 local (@exts) = &lang_extensions ('header');
5313 return scalar keys %extension_seen > $headers;
5316 # Register a single language. LANGUAGE is the name of the language.
5317 # Each OPTION is either of the form NAME=VALUE, or is a file extension
5319 sub register_language
5321 local ($language, @options) = @_;
5324 $language_map{$language . '-ansi-p'} = 0;
5325 $language_map{$language . '-linker'} = '';
5326 $language_map{$language . '-autodep'} = 'no';
5327 $language_map{$language . '-derived-autodep'} = 'no';
5330 foreach $iter (@options)
5332 if ($iter =~ /^(.*)=(.*)$/)
5334 $language_map{$language . '-' . $1} = $2;
5336 elsif (defined $extension_map{$iter})
5338 &prog_error ("duplicate extension $iter");
5342 $extension_map{$iter} = $language;
5347 # This function is used to find a path from a user-specified suffix to
5348 # `o' or to some other suffix we recognize internally, eg `cc'.
5351 local ($source_ext) = @_;
5353 # FIXME: hard-coding `o' is a mistake. Doing something
5354 # intelligent is harder.
5355 while ($extension_map{$source_ext} eq ''
5356 && $source_ext ne 'o'
5357 && defined $suffix_rules{$source_ext})
5359 $source_ext = $suffix_rules{$source_ext};
5366 ################################################################
5368 # Pretty-print something. HEAD is what should be printed at the
5369 # beginning of the first line, FILL is what should be printed at the
5370 # beginning of every subsequent line.
5371 sub pretty_print_internal
5373 local ($head, $fill, @values) = @_;
5375 local ($column) = length ($head);
5376 local ($result) = $head;
5378 # Fill length is number of characters. However, each Tab
5379 # character counts for eight. So we count the number of Tabs and
5381 local ($fill_length) = length ($fill);
5382 $fill_length += 7 * ($fill =~ tr/\t/\t/d);
5384 local ($bol) = ($head eq '');
5387 # "71" because we also print a space.
5388 if ($column + length ($_) > 71)
5390 $result .= " \\\n" . $fill;
5391 $column = $fill_length;
5395 $result .= ' ' unless ($bol);
5397 $column += length ($_) + 1;
5405 # Pretty-print something and append to output_vars.
5408 $output_vars .= &pretty_print_internal (@_);
5411 # Pretty-print something and append to output_rules.
5412 sub pretty_print_rule
5414 $output_rules .= &pretty_print_internal (@_);
5418 ################################################################
5420 # See if a target exists.
5423 local ($target) = @_;
5424 return defined $targets{$target};
5427 # See if two conditionals are the same.
5428 sub conditional_same
5430 local ($cond1, $cond2) = @_;
5432 return (&conditional_true_when ($cond1, $cond2)
5433 && &conditional_true_when ($cond2, $cond1));
5436 # See if a conditional is true. Both arguments are conditional
5437 # strings. This returns true if the first conditional is true when
5438 # the second conditional is true.
5439 sub conditional_true_when
5441 local ($cond, $when) = @_;
5443 # Check the easy case first.
5449 # Check each component of $cond, which looks @COND1@@COND2@.
5450 foreach $comp (split ('@', $cond))
5452 # The way we split will give null strings between each
5456 if (index ($when, '@' . $comp . '@') == -1)
5465 # Check for an ambiguous conditional. This is called when a variable
5466 # or target is being defined conditionally. If we already know about
5467 # a definition that is true under the same conditions, then we have an
5469 sub check_ambiguous_conditional
5471 local ($var_name, $cond) = @_;
5472 local (@cond_vals) = split (' ', $conditional{$var_name});
5475 local ($vcond) = shift (@cond_vals);
5477 if (&conditional_true_when ($vcond, $cond)
5478 || &conditional_true_when ($cond, $vcond))
5480 &am_line_error ($var_name,
5481 "$var_name multiply defined in condition");
5486 # See if a variable exists. The first argument is the variable name,
5487 # and the optional second argument is the condition which we should
5488 # check. If no condition is given, we currently return true if the
5489 # variable is defined under any condition.
5490 sub variable_defined
5492 local ($var, $cond) = @_;
5493 if (defined $targets{$var})
5495 &am_line_error ($var, "\`$var' is target; expected variable");
5498 elsif (defined $contents{$var})
5500 if ($cond && $conditional{$var})
5502 # We have been asked to check for a particular condition,
5503 # and the variable is defined conditionally. We need to
5504 # look through the conditions under which the variable is
5505 # defined, and see if any of them match the conditional we
5506 # have been asked to check.
5507 local (@cond_vars) = split (' ', $conditional{$var});
5510 if (&conditional_same ($cond, shift (@cond_vars)))
5512 # Even a conditional examination is good enough
5513 # for us. FIXME: really should maintain examined
5514 # status on a per-condition basis.
5515 $content_seen{$var} = 1;
5521 # The variable is not defined for the given condition.
5525 $content_seen{$var} = 1;
5531 # Mark a variable as examined.
5532 sub examine_variable
5535 &variable_defined ($var);
5538 # Quote a value in order to put it in $conditional. We need to quote
5539 # spaces, and we need to handle null strings, so that we can later
5540 # retrieve values by splitting on space.
5544 $val =~ tr/ \t\n/\001\003\004/;
5545 $val = "\002" if $val eq '';
5549 # Unquote a value in $conditional.
5550 sub unquote_cond_val
5553 $val =~ tr/\001\003\004/ \t\n/;
5558 # Return the set of conditions for which a variable is defined.
5560 # If the variable is not defined conditionally, and is not defined in
5561 # terms of any variables which are defined conditionally, then this
5562 # returns the empty list.
5564 # If the variable is defined conditionally, but is not defined in
5565 # terms of any variables which are defined conditionally, then this
5566 # returns the list of conditions for which the variable is defined.
5568 # If the variable is defined in terms of any variables which are
5569 # defined conditionally, then this returns a full set of permutations
5570 # of the subvariable conditions. For example, if the variable is
5571 # defined in terms of a variable which is defined for @COND_TRUE@,
5572 # then this returns both @COND_TRUE@ and @COND_FALSE@. This is
5573 # because we will need to define the variable under both conditions.
5575 sub variable_conditions
5583 foreach $cond (&variable_conditions_sub ($var, '', ()))
5585 $uniqify{$cond} = 1;
5588 @uniq_list = sort keys %uniqify;
5589 # Note we cannot just do `return sort keys %uniqify', because this
5590 # function is sometimes used in a scalar context.
5594 # A subroutine of variable_conditions. We only return conditions
5595 # which are true for all the conditions in @PARENT_CONDS.
5596 sub variable_conditions_sub
5598 local ($var, $parent, @parent_conds) = @_;
5599 local (@new_conds) = ();
5601 if (defined $vars_scanned{$var})
5603 &am_line_error ($parent, "variable \`$var' recursively defined");
5606 $vars_scanned{$var} = 1;
5608 if (! $conditional{$var})
5610 foreach (split (' ', $contents{$var}))
5612 # If a comment seen, just leave.
5615 # Handle variable substitutions.
5616 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
5619 &variable_conditions_sub ($1, $var, @parent_conds));
5623 # Now we want to return all permutations of the subvariable
5625 local (%allconds, $item);
5626 foreach $item (@new_conds)
5628 foreach (split ('@', $item))
5632 $allconds{$_ . '_TRUE'} = 1;
5636 # Unset our entry in vars_scanned. We only care about recursive
5638 delete $vars_scanned{$var};
5640 return &variable_conditions_permutations (sort keys %allconds);
5643 local (@this_conds) = ();
5644 local (@condvals) = split (' ', $conditional{$var});
5647 local ($cond) = shift (@condvals);
5648 local ($val) = &unquote_cond_val (shift (@condvals));
5653 local ($parent_cond);
5654 foreach $parent_cond (@parent_conds)
5656 if (! &conditional_true_when ($parent_cond, $cond))
5666 push (@this_conds, $cond);
5668 push (@parent_conds, $cond);
5669 local (@subvar_conds) = ();
5670 foreach (split (' ', $val))
5672 # If a comment seen, just leave.
5675 # Handle variable substitutions.
5676 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
5678 push (@subvar_conds,
5679 &variable_conditions_sub ($1, $var, @parent_conds));
5682 pop (@parent_conds);
5684 # If there are no conditional subvariables, then we want to
5685 # return this condition. Otherwise, we want to return the
5686 # permutations of the subvariables.
5687 if (! @subvar_conds)
5689 push (@new_conds, $cond);
5693 push (@new_conds, &variable_conditions_reduce (@subvar_conds));
5697 # Unset our entry in vars_scanned. We only care about recursive
5699 delete $vars_scanned{$var};
5704 # If we are being called on behalf of another variable, we need to
5705 # return all possible permutations of the conditions. We have
5706 # already handled everything in @this_conds along with their
5707 # subvariables. We now need to add any permutations that are not
5710 foreach $this_cond (@this_conds)
5713 &variable_conditions_permutations (split('@', $this_cond));
5715 foreach $perm (@perms)
5719 foreach $scan (@this_conds)
5721 if (&conditional_true_when ($perm, $scan)
5722 || &conditional_true_when ($scan, $perm))
5733 local ($parent_cond);
5734 foreach $parent_cond (@parent_conds)
5736 if (! &conditional_true_when ($parent_cond, $perm))
5746 # This permutation was not already handled, and is valid
5748 push (@new_conds, $perm);
5755 # Subroutine for variable_conditions_sort
5756 sub variable_conditions_cmp
5762 return (length ($as) <=> length ($bs)
5766 # Sort a list of conditionals so that only the exclusive ones are
5767 # retained. For example, if both @COND1_TRUE@@COND2_TRUE@ and
5768 # @COND1_TRUE@ are in the list, discard the latter.
5769 sub variable_conditions_reduce
5771 local (@conds) = @_;
5774 foreach $cond (sort variable_conditions_cmp @conds)
5778 foreach $scan (@ret)
5780 if (&conditional_true_when ($cond, $scan))
5793 # Return a list of permutations of a conditional string.
5794 sub variable_conditions_permutations
5796 local (@comps) = @_;
5799 local ($comp) = shift (@comps);
5800 return &variable_conditions_permutations (@comps)
5802 local ($neg) = $comp;
5803 $neg =~ s/TRUE$/TRUEO/;
5804 $neg =~ s/FALSE$/TRUE/;
5805 $neg =~ s/TRUEO$/FALSE/;
5808 foreach $sub (&variable_conditions_permutations (@comps))
5810 push (@ret, '@' . $comp . '@' . $sub);
5811 push (@ret, '@' . $neg . '@' . $sub);
5815 push (@ret, '@' . $comp . '@');
5816 push (@ret, '@' . $neg . '@');
5821 # Warn if a variable is conditionally defined. This is called if we
5822 # are using the value of a variable.
5823 sub variable_conditionally_defined
5825 local ($var, $parent) = @_;
5826 if ($conditional{$var})
5830 &am_line_error ($parent,
5831 "warning: automake does not support conditional definition of $var in $parent");
5835 &am_line_error ($parent,
5836 "warning: automake does not support $var being defined conditionally")
5841 # Get the value of a variable. This just returns $contents, but warns
5842 # if the variable is conditionally defined.
5846 &variable_conditionally_defined ($var);
5847 return $contents{$var};
5850 # Convert a variable value to a list, split as whitespace. This will
5851 # recursively follow $(...) and ${...} inclusions. It preserves @...@
5852 # substitutions. If COND is 'all', then all values under all
5853 # conditions should be returned; if COND is a particular condition
5854 # (all conditions are surrounded by @...@) then only the value for
5855 # that condition should be returned; otherwise, warn if VAR is
5856 # conditionally defined. SCANNED is a global hash listing whose keys
5857 # are all the variables already scanned; it is an error to rescan a
5861 local ($var, $val, $cond) = @_;
5865 $val =~ s/\\(\n|$)/ /g;
5867 foreach (split (' ', $val))
5869 # If a comment seen, just leave.
5872 # Handle variable substitutions.
5873 if (/^\$\{([^}]*)\}$/ || /^\$\(([^)]*)\)$/)
5875 local ($varname) = $1;
5877 # If the user uses a losing variable name, just ignore it.
5878 # This isn't ideal, but people have requested it.
5879 next if ($varname =~ /\@.*\@/);
5883 if ($varname =~ /^([^:]*):([^=]*)=(.*)$/)
5887 ($from = $2) =~ s/(\W)/\\$1/g;
5891 @temp_list = &variable_value_as_list_worker ($1, $cond, $var);
5893 # Now rewrite the value if appropriate.
5896 grep (s/$from$/$to/, @temp_list);
5899 push (@result, @temp_list);
5910 # Return contents of variable as list, split as whitespace. This will
5911 # recursively follow $(...) and ${...} inclusions. It preserves @...@
5912 # substitutions. If COND is 'all', then all values under all
5913 # conditions should be returned; if COND is a particular condition
5914 # (all conditions are surrounded by @...@) then only the value for
5915 # that condition should be returned; otherwise, warn if VAR is
5916 # conditionally defined. If PARENT is specified, it is the name of
5917 # the including variable; this is only used for error reports.
5918 sub variable_value_as_list_worker
5920 local ($var, $cond, $parent) = @_;
5923 if (defined $targets{$var})
5925 &am_line_error ($var, "\`$var' is target; expected variable");
5927 elsif (! defined $contents{$var} && ! defined $am_var_defs{$var})
5929 &am_line_error ($parent, "variable \`$var' not defined");
5931 elsif (defined $vars_scanned{$var})
5933 # `vars_scanned' is a global we use to keep track of which
5934 # variables we've already examined.
5935 &am_line_error ($parent, "variable \`$var' recursively defined");
5937 elsif ($cond eq 'all' && $conditional{$var})
5939 $vars_scanned{$var} = 1;
5940 local (@condvals) = split (' ', $conditional{$var});
5944 local ($val) = &unquote_cond_val (shift (@condvals));
5945 push (@result, &value_to_list ($var, $val, $cond));
5948 elsif ($cond && $conditional{$var})
5950 $vars_scanned{$var} = 1;
5951 local (@condvals) = split (' ', $conditional{$var});
5955 local ($vcond) = shift (@condvals);
5956 local ($val) = &unquote_cond_val (shift (@condvals));
5957 if (&conditional_true_when ($vcond, $cond))
5959 # Warn if we have an ambiguity. It's hard to know how
5960 # to handle this case correctly.
5961 &variable_conditionally_defined ($var, $parent)
5964 push (@result, &value_to_list ($var, $val, $cond));
5968 elsif (defined $am_var_defs{$var})
5970 $vars_scanned{$var} = 1;
5971 &variable_conditionally_defined ($var, $parent);
5972 $content_seen{$var} = 1;
5973 push (@result, &value_to_list ($var, $am_var_defs{$var}, $cond));
5977 $vars_scanned{$var} = 1;
5978 &variable_conditionally_defined ($var, $parent);
5979 $content_seen{$var} = 1;
5980 push (@result, &value_to_list ($var, $contents{$var}, $cond));
5983 # Unset our entry in vars_scanned. We only care about recursive
5985 delete $vars_scanned{$var};
5990 # This is just a wrapper for variable_value_as_list_worker that
5991 # initializes the global hash `vars_scanned'. This hash is used to
5992 # avoid infinite recursion.
5993 sub variable_value_as_list
5995 local ($var, $cond, $parent) = @_;
5997 return &variable_value_as_list_worker ($var, $cond, $parent);
6001 # define_variable ($VAR, $VALUE)
6002 # ------------------------------
6003 # Define a new variable VAR to VALUE, but only if not already defined.
6006 local ($var, $value) = @_;
6008 if (! defined $contents{$var})
6010 $output_vars .= $var . ' = ' . $value . "\n";
6011 $contents{$var} = $value;
6012 $content_seen{$var} = 1;
6014 elsif ($var_was_plus_eq{$var})
6016 &am_line_error ($var, "internally generated variable \`$var' was set with \`+='");
6020 # Like define_variable, but the value is a list, and the variable may
6021 # be defined conditionally. The second argument is the conditional
6022 # under which the value should be defined; this should be the empty
6023 # string to define the variable unconditionally. The third argument
6024 # is a list holding the values to use for the variable. The value is
6025 # pretty printed in the output file.
6026 sub define_pretty_variable
6028 local ($var, $cond, @value) = @_;
6029 if (! defined $contents{$var}
6030 || ($cond && ! &variable_defined ($var, $cond)))
6032 $contents{$var} = join (' ', @value);
6035 if ($conditional{$var})
6037 $conditional{$var} .= ' ';
6041 $conditional{$var} = '';
6043 $conditional{$var} .= ($cond
6045 . "e_cond_val ($contents{$var}));
6047 &pretty_print ($cond . $var . ' = ', $cond, @value);
6048 $content_seen{$var} = 1;
6052 # Like define_variable, but define a variable to be the configure
6053 # substitution by the same name.
6054 sub define_configure_variable
6057 local ($value) = '@' . $var . '@';
6058 &define_variable ($var, $value);
6061 # Define a compiler variable. We also handle defining the `LT'
6062 # version of the command when using libtool.
6063 sub define_compiler_variable
6065 local ($var, $ltcompile, $value) = @_;
6066 local ($name) = $var;
6067 &define_variable ($name, $value);
6068 &define_variable ('LT' . $name, $ltcompile . $value)
6072 # Define a variable that represents a program to run. If in Cygnus
6073 # mode, the program is searched for in the build (or source) tree.
6074 # Otherwise no searching is done at all. Arguments are:
6075 # * VAR Name of variable to define
6076 # * WHATDIR Either `src' or `build', depending on where program should
6077 # be found. (runtest is in srcdir!)
6078 # * SUBDIR Subdir of top-level dir
6079 # * PROGRAM Name of program
6080 # * OVERRIDE If specified, the name of the program to use when not in
6081 # Cygnus mode. Defaults to PROGRAM.
6082 sub define_program_variable
6084 local ($var, $whatdir, $subdir, $program, $override) = @_;
6088 $override = $program;
6093 local ($full) = ('$(top_' . $whatdir . 'dir)/../'
6094 . $subdir . '/' . $program);
6095 &define_variable ($var, ('`if test -f ' . $full
6096 . '; then echo ' . $full . '; else echo '
6097 . $program . '; fi`'));
6101 &define_variable ($var, $override);
6106 ################################################################
6108 # Read Makefile.am and set up %contents. Simultaneously copy lines
6109 # from Makefile.am into $output_trailer or $output_vars as
6110 # appropriate. NOTE we put rules in the trailer section. We want
6111 # user rules to come after our generated stuff.
6114 local ($amfile) = @_;
6117 open (AM_FILE, $amfile) || die "automake: couldn't open \`$amfile': $!\n";
6118 print "automake: reading $amfile\n" if $verbose;
6120 local ($saw_bk) = 0;
6121 local ($was_rule) = 0;
6122 local ($spacing) = '';
6123 local ($comment) = '';
6124 local ($last_var_name) = '';
6127 # We save the conditional stack on entry, and then check to make
6128 # sure it is the same on exit. This lets us conditonally include
6130 local (@saved_cond_stack) = @conditional_stack;
6134 if (/$IGNORE_PATTERN/o)
6136 # Merely delete comments beginning with two hashes.
6138 elsif (/$WHITE_PATTERN/o)
6140 # Stick a single white line before the incoming macro or rule.
6144 elsif (/$COMMENT_PATTERN/o)
6146 # Stick comments before the incoming macro or rule. Make
6147 # sure a blank line preceeds first block of comments.
6148 $spacing = "\n" unless $blank;
6150 $comment .= $spacing . $_;
6159 $output_vars .= $comment . "\n";
6163 local ($is_ok_macro);
6167 unless substr ($_, -1, 1) eq "\n";
6169 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6170 # used by users. @MAINT@ is an anachronism now.
6171 $_ =~ s/\@MAINT\@//g
6172 unless $seen_maint_mode;
6174 if (/$IGNORE_PATTERN/o)
6176 # Merely delete comments beginning with two hashes.
6178 elsif (/$WHITE_PATTERN/o)
6180 # Stick a single white line before the incoming macro or rule.
6182 &am_line_error ($., "blank line following trailing backslash")
6185 elsif (/$COMMENT_PATTERN/o)
6187 # Stick comments before the incoming macro or rule.
6188 $comment .= $spacing . $_;
6190 &am_line_error ($., "comment following trailing backslash")
6197 $output_trailer .= join ('', @conditional_stack) . $_;
6203 $contents{$last_var_name} .= ' '
6204 unless $contents{$last_var_name} =~ /\s$/;
6205 $contents{$last_var_name} .= $_;
6206 if (@conditional_stack)
6208 $conditional{$last_var_name} .= "e_cond_val ($_);
6212 elsif (/$IF_PATTERN/o)
6214 &am_line_error ($., "$1 does not appear in AM_CONDITIONAL")
6215 if (! $configure_cond{$1});
6216 push (@conditional_stack, "\@" . $1 . "_TRUE\@");
6218 elsif (/$ELSE_PATTERN/o)
6220 if (! @conditional_stack)
6222 &am_line_error ($., "else without if");
6224 elsif ($conditional_stack[$#conditional_stack] =~ /_FALSE\@$/)
6226 &am_line_error ($., "else after else");
6230 $conditional_stack[$#conditional_stack]
6231 =~ s/_TRUE\@$/_FALSE\@/;
6234 elsif (/$ENDIF_PATTERN/o)
6236 if (! @conditional_stack)
6238 &am_line_error ($., "endif without if");
6242 pop @conditional_stack;
6245 elsif (/$RULE_PATTERN/o)
6249 if (defined $contents{$1}
6250 && (@conditional_stack
6251 ? ! defined $conditional{$1}
6252 : defined $conditional{$1}))
6255 "$1 defined both conditionally and unconditionally");
6257 # Value here doesn't matter; for targets we only note
6261 local ($cond_string) = join ('', @conditional_stack);
6262 if (@conditional_stack)
6264 if ($conditional{$1})
6266 &check_ambiguous_conditional ($1, $cond_string);
6267 $conditional{$1} .= ' ';
6271 $conditional{$1} = '';
6273 $conditional{$1} .= $cond_string . ' 1';
6275 $content_lines{$1} = $.;
6276 $output_trailer .= $comment . $spacing . $cond_string . $_;
6277 $comment = $spacing = '';
6280 # Check the rule for being a suffix rule. If so, store in
6283 local ($source_suffix);
6284 local ($object_suffix);
6286 if (($source_suffix, $object_suffix) = ($1 =~ $SUFFIX_RULE_PATTERN))
6288 $suffix_rules{$source_suffix} = $object_suffix;
6289 print "Sources ending in .$source_suffix become .$object_suffix\n" if $verbose;
6290 $source_suffix_pattern = "(" . join ('|', keys %suffix_rules) . ")";
6293 # FIXME: make sure both suffixes are in SUFFIXES? Or set
6294 # SUFFIXES from suffix_rules?
6296 elsif (($is_ok_macro = /$MACRO_PATTERN/o)
6297 || /$BOGUS_MACRO_PATTERN/o)
6299 # Found a macro definition.
6301 $last_var_name = $1;
6302 if (defined $contents{$1}
6303 && (@conditional_stack
6304 ? ! defined $conditional{$1}
6305 : defined $conditional{$1}))
6308 "$1 defined both conditionally and unconditionally");
6311 if ($3 ne '' && substr ($3, -1) eq "\\")
6313 # We preserve the `\' because otherwise the long lines
6314 # that are generated will be truncated by broken
6324 if (! defined $contents{$last_var_name})
6326 # The first assignment to a macro sets the line
6327 # number. Ideally I suppose we would associate line
6328 # numbers with random bits of text.
6329 $content_lines{$last_var_name} = $.;
6331 # If first assignment, set `+=' indicator.
6332 $var_was_plus_eq{$last_var_name} =
6334 && ! defined $am_var_defs{$last_var_name});
6339 if (! defined $contents{$last_var_name}
6340 && defined $am_var_defs{$last_var_name})
6342 $contents{$last_var_name} = $am_var_defs{$last_var_name};
6344 if (substr ($contents{$last_var_name}, -1) eq "\n")
6346 # Insert a backslash before a trailing newline.
6347 $contents{$last_var_name}
6348 = substr ($contents{$last_var_name}, 0, -1) . "\\\n";
6350 $contents{$last_var_name} .= ' ' . $value;
6354 $contents{$last_var_name} = $value;
6356 local ($cond_string) = join ('', @conditional_stack);
6357 if (@conditional_stack)
6361 if ($conditional{$last_var_name})
6365 # If we're adding to the conditional, and it
6366 # exists, then we might want to simply replace
6367 # the old value with the new one.
6368 local (@new_vals, @cond_vals);
6369 @cond_vals = split (' ', $conditional{$last_var_name});
6372 local ($vcond) = shift (@cond_vals);
6373 push (@new_vals, $vcond);
6374 if (&conditional_same ($vcond, $cond_string))
6377 $val = (&unquote_cond_val (shift (@cond_vals))
6379 push (@new_vals, "e_cond_val ($val));
6383 push (@new_vals, shift (@cond_vals));
6388 $conditional{$last_var_name}
6389 = join (' ', @new_vals);
6395 &check_ambiguous_conditional ($last_var_name,
6397 $conditional{$last_var_name} .= ' ';
6403 $conditional{$last_var_name} = '';
6404 $val = $contents{$last_var_name};
6408 $conditional{$last_var_name} .= ($cond_string
6410 . "e_cond_val ($val));
6414 # FIXME: this doesn't always work correctly; it will group
6415 # all comments for a given variable, no matter where
6417 $am_vars{$last_var_name} = $comment . $spacing;
6418 $def_type{$last_var_name} = ($type eq ':') ? ':' : '';
6419 push (@var_list, $last_var_name);
6420 $comment = $spacing = '';
6424 &am_line_error ($., "bad macro name \`$last_var_name'")
6427 elsif (/$INCLUDE_PATTERN/o)
6431 if ($path =~ s/^\$\(top_srcdir\)\///)
6433 push (@include_stack, "\$\(top_srcdir\)/$path");
6437 $path =~ s/\$\(srcdir\)\///;
6438 push (@include_stack, "\$\(srcdir\)/$path");
6439 $path = $relative_dir . "/" . $path;
6441 &read_am_file ($path);
6445 # This isn't an error; it is probably a continued rule.
6446 # In fact, this is what we assume.
6448 $output_trailer .= ($comment . $spacing
6449 . join ('', @conditional_stack) . $_);
6450 $comment = $spacing = '';
6457 $output_trailer .= $comment;
6459 if (join (' ', @saved_cond_stack) ne join (' ', @conditional_stack))
6461 if (@conditional_stack)
6463 &am_error ("unterminated conditionals: @conditional_stack");
6467 # FIXME: better error message here.
6468 &am_error ("conditionals not nested in include file");
6474 # define_standard_variables ()
6475 # ----------------------------
6476 # A helper for read_main_am_file which initializes configure variables
6477 # and variables from header-vars.am. This is a subr so we can call it
6479 sub define_standard_variables
6481 # Compute relative location of the top object directory.
6482 local (@topdir) = ();
6483 foreach (split (/\//, $relative_dir))
6485 next if $_ eq '.' || $_ eq '';
6492 push (@topdir, '..');
6495 @topdir = ('.') if ! @topdir;
6497 $top_builddir = join ('/', @topdir);
6498 $output_vars .= &file_contents_with_transform
6499 (&transform ('top_builddir' => $top_builddir),
6502 # Generate some useful variables when AC_CANONICAL_* used. FIXME:
6503 # this should use generic %configure_vars method.
6504 if ($seen_canonical)
6506 local ($curs, %vars);
6507 $vars{'host_alias'} = 'host_alias';
6508 $vars{'host_triplet'} = 'host';
6509 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
6511 $vars{'build_alias'} = 'build_alias';
6512 $vars{'build_triplet'} = 'build';
6513 $vars{'target_alias'} = 'target_alias';
6514 $vars{'target_triplet'} = 'target';
6516 foreach $curs (sort keys %vars)
6518 $output_vars .= "$curs = \@$vars{$curs}\@\n";
6519 $contents{$curs} = "\@$vars{$curs}\@";
6524 foreach $curs (sort keys %configure_vars)
6526 &define_configure_variable ($curs);
6530 # Read main am file.
6531 sub read_main_am_file
6533 local ($amfile) = @_;
6535 # The keys here are variables we want to dump at the end of this
6536 # function. The values are corresponding comments.
6537 local (%am_vars) = ();
6538 local (@var_list) = ();
6539 local (%def_type) = ();
6541 # This supports the strange variable tricks we are about to play.
6542 &prog_error ("variable defined before read_main_am_file")
6543 if scalar keys %contents > 0;
6545 # We want to predefine as many variables as possible. This lets
6546 # the user set them with `+=' in Makefile.am. However, we don't
6547 # want these initial definitions to end up in the output quite
6548 # yet. So we adopt a hack: read the `.am' file twice, throwing
6549 # away the output the first time. We also squirrel away a list of
6550 # all the variables defined by the .am file so that we know which
6551 # ones to remove from the content list.
6554 &define_standard_variables;
6555 local (%saved_contents) = %contents;
6557 # Read user file, but discard text of variable assignments we just
6560 &read_am_file ($amfile);
6562 # Now dump the variables that were defined. We do it in the same
6563 # order in which they were defined (skipping duplicates).
6565 foreach $curs (@var_list)
6567 next if $done{$curs};
6570 $output_vars .= $am_vars{$curs};
6571 if ($conditional{$curs})
6573 local (@cond_vals) = split (' ', $conditional{$curs});
6576 local ($vcond) = shift (@cond_vals);
6577 local ($val) = &unquote_cond_val (shift (@cond_vals));
6578 $output_vars .= ($vcond . $curs . ' '
6579 . $def_type{$curs} . "= ");
6581 foreach $line (split ("\n", $val))
6583 $output_vars .= $vcond . $line . "\n";
6585 $output_vars .= "\n"
6591 $output_vars .= ($curs . ' ' . $def_type{$curs} . '= '
6592 . $contents{$curs} . "\n");
6596 # Generate copyright header for generated Makefile.in.
6597 local ($ov) = $output_vars;
6598 $output_vars = ("# $in_file_name generated automatically by automake "
6599 . $VERSION . " from $am_file_name\n");
6600 $output_vars .= $gen_copyright;
6602 # Now go through and delete all the variables that the user did
6605 foreach $var (keys %saved_contents)
6607 if ($contents{$var} eq $saved_contents{$var})
6609 delete $contents{$var};
6613 # Re-read the standard variables, and this time keep their
6614 # contributions to the output. Then add the user's output to the
6616 &define_standard_variables;
6617 $output_vars .= $ov;
6621 ################################################################
6623 sub initialize_global_constants
6625 # Values for AC_CANONICAL_*
6626 $AC_CANONICAL_HOST = 1;
6627 $AC_CANONICAL_SYSTEM = 2;
6629 # Associative array of standard directory names. Entry is TRUE if
6630 # corresponding directory should be installed during
6631 # 'install-exec' phase.
6649 # Commonly found files we look for and automatically include in
6653 'README', 'THANKS', 'TODO', 'NEWS', 'COPYING', 'COPYING.LIB',
6654 'INSTALL', 'ABOUT-NLS', 'ChangeLog', 'configure.ac',
6655 'configure.in', 'configure', 'config.guess', 'config.sub',
6656 'AUTHORS', 'BACKLOG', 'ABOUT-GNU', 'libversion.in',
6657 'mdate-sh', 'mkinstalldirs', 'install-sh', 'texinfo.tex',
6658 'ansi2knr.c', 'ansi2knr.1', 'elisp-comp',
6659 # ltconfig appears here for compatibility with old versions
6661 'ylwrap', 'acinclude.m4', @libtoolize_files, @libtoolize_sometimes,
6662 'missing', 'depcomp', 'compile', 'py-compile'
6665 # Commonly used files we auto-include, but only sometimes.
6668 'aclocal.m4', 'acconfig.h', 'config.h.top',
6669 'config.h.bot', 'stamp-h.in', 'stamp-vti'
6673 -a, --add-missing add missing standard files to package
6674 --amdir=DIR directory storing config files
6675 -c, --copy with -a, copy missing files (default is symlink)
6676 --cygnus assume program is part of Cygnus-style tree
6677 --force-missing force update of standard files
6678 --foreign set strictness to foreign
6679 --gnits set strictness to gnits
6680 --gnu set strictness to gnu
6681 --help print this help, then exit
6682 -i, --ignore-deps disable dependency tracking code
6683 --include-deps enable dependency tracking code
6684 --no-force only update Makefile.in's that are out of date
6685 -o DIR, --output-dir=DIR
6686 put generated Makefile.in's into DIR
6687 -v, --verbose verbosely list files processed
6688 --version print version number, then exit\n";
6690 # Copyright on generated Makefile.ins.
6692 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000
6693 # Free Software Foundation, Inc.
6694 # This Makefile.in is free software; the Free Software Foundation
6695 # gives unlimited permission to copy and/or distribute it,
6696 # with or without modifications, as long as this notice is preserved.
6698 # This program is distributed in the hope that it will be useful,
6699 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
6700 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
6701 # PARTICULAR PURPOSE.
6704 # This complex find command will try to avoid changing the modes of
6705 # links into the source tree, in case they're hard-linked. It will
6706 # also make directories writable by everybody, because some
6707 # brain-dead tar implementations change ownership and permissions of
6708 # a directory before extracting the files, thus becoming unable to
6710 # Ignore return result from chmod, because it might give an error
6711 # if we chmod a symlink.
6712 # Another nastiness: if the file is unreadable by us, we make it
6713 # readable regardless of the number of links to it. This only
6714 # happens in perverse cases.
6715 # We use $(install_sh) because that is a known-portable way to
6716 # modify the file in place in the source tree.
6717 $dist_header = ' -find $(distdir) -type d ! -perm -777 -exec chmod a+rwx {} \; -o \\
6718 ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \\
6719 ! -type d ! -perm -400 -exec chmod a+r {} \; -o \\
6720 ! -type d ! -perm -444 -exec $(SHELL) $(install_sh) -c -m a+r {} {} \; \\
6721 || chmod -R a+r $(distdir)
6723 $dist{'dist-bzip2'} = ("\t"
6724 . '$(AMTAR) chof - $(distdir) | bzip2 -9 -c > $(distdir).tar.bz2'
6726 $dist{'dist-tarZ'} = ("\t"
6727 . '$(AMTAR) chof - $(distdir) | compress -c > $(distdir).tar.Z'
6729 $dist{'dist-shar'} = ("\t"
6730 . 'shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c > $(distdir).shar.gz'
6732 $dist{'dist-zip'} = ("\t" . '-rm -f $(distdir).zip' . "\n" .
6733 "\t" . 'zip -rq $(distdir).zip $(distdir)' . "\n");
6735 # Note that we don't use GNU tar's `-z' option. One reason (but
6736 # not the only reason) is that some versions of tar (e.g., OSF1)
6737 # interpret `-z' differently.
6738 $dist{'dist'} = ("\t"
6739 . '$(AMTAR) chof - $(distdir) | GZIP=$(GZIP_ENV) gzip -c > $(distdir).tar.gz'
6741 $dist_trailer = "\t" . '-chmod -R a+w $(distdir) > /dev/null 2>&1; rm -rf $(distdir)' . "\n";
6744 # (Re)-Initialize per-Makefile.am variables.
6745 sub initialize_per_input
6747 # These two variables are used when generating each Makefile.in.
6748 # They hold the Makefile.in until it is ready to be printed.
6751 $output_trailer = '';
6753 $output_header = '';
6755 # Suffixes found during a run.
6758 # This holds the contents of a Makefile.am, as parsed by
6762 # This holds the names which are targets. These also appear in
6766 # This maps a variable name onto a flag. The flag is true iff the
6767 # variable was first defined with `+='.
6768 %var_was_plus_eq = ();
6770 # This holds definitions of all variables defined in .am files.
6771 # This is used during startup to determine which variables can be
6772 # assigned with `+='.
6775 # For a variable or target which is defined conditionally, this
6776 # holds an array of the conditional values. The array is composed
6777 # of pairs of condition strings (the variables which configure
6778 # will substitute) and values (the value of a target is
6779 # meaningless). For an unconditional variable, this is empty.
6782 # This holds the line numbers at which various elements of
6783 # %contents are defined.
6784 %content_lines = ();
6786 # This holds a 1 if a particular variable was examined.
6789 # This is the conditional stack.
6790 @conditional_stack = ();
6792 # This holds the set of included files.
6793 @include_stack = ();
6795 # This holds the "relative directory" of the current Makefile.in.
6796 # Eg for src/Makefile.in, this is "src".
6799 # This holds a list of files that are included in the
6803 # List of dependencies for the obvious targets.
6819 # A list of files deleted by `maintainer-clean'.
6820 @maintainer_clean_files = ();
6822 # These are pretty obvious, too. They are used to define the
6823 # SOURCES and OBJECTS variables.
6826 # Sources which go in the distribution.
6829 # This hash maps object file names onto their corresponding source
6830 # file names. This is used to ensure that each object is created
6831 # by a single source file.
6834 # This keeps track of the directories for which we've already
6835 # created `.dirstamp' code.
6836 %directory_map = ();
6838 # These variables track inclusion of various compile-related .am
6839 # files. $included_generic_compile is TRUE if the basic code has
6840 # been included. $included_knr_compile is TRUE if the ansi2knr
6841 # code has been included. $included_libtool_compile is TRUE if
6842 # libtool support has been included.
6843 $included_generic_compile = 0;
6844 $included_knr_compile = 0;
6845 $included_libtool_compile = 0;
6847 # TRUE if install targets should work recursively.
6848 $recursive_install = 0;
6853 # Strictness levels.
6854 $strictness = $default_strictness;
6855 $strictness_name = $default_strictness_name;
6857 # Options from AUTOMAKE_OPTIONS.
6860 # Whether or not dependencies are handled. Can be further changed
6861 # in handle_options.
6862 $use_dependencies = $cmdline_use_dependencies;
6865 $local_maint_charset = $maint_charset;
6867 # All yacc and lex source filenames for this directory. Use
6868 # filenames instead of raw count so that multiple instances are
6869 # counted correctly (eg one yacc file can appear in multiple
6870 # programs without harm).
6874 # This is a list of all targets to run during "make dist".
6877 # Keys in this hash are the basenames of files which must depend
6879 %de_ansi_files = ();
6881 # This maps the source extension of a suffix rule to its
6882 # corresponding output extension.
6885 # This is a regular expression which matches all the known source
6886 # suffix. A source suffix is one that appears in the first
6887 # position of a suffix rule.
6888 $source_suffix_pattern = '';
6890 # This is the name of the recursive `all' target to use.
6891 $all_target = 'all-recursive';
6893 # This keeps track of which extensions we've seen (that we care
6895 %extension_seen = ();
6897 # This is random scratch space for the language finish functions.
6898 # Don't randomly overwrite it; examine other uses of keys first.
6899 %language_scratch = ();
6901 # We keep track of which objects need special (per-executable)
6902 # handling on a per-language basis.
6903 %lang_specific_files = ();
6905 # This is set when `handle_dist' has finished. Once this happens,
6906 # we should no longer push on dist_common.
6907 $handle_dist_run = 0;
6909 # True if we need `LINK' defined. This is a hack.
6914 ################################################################
6918 # &file_contents_with_transform ($COMMAND, $BASENAME)
6919 # ---------------------------------------------------
6920 # Return contents of a file from $am_dir, automatically skipping
6921 # macros or rules which are already known. Runs command on each line
6922 # as it is read; this command can modify $_.
6923 sub file_contents_with_transform
6925 local ($command, $basename) = @_;
6926 local ($file) = $am_dir . '/' . $basename . '.am';
6928 &prog_error ("file_contents_with_transform: $command")
6929 if $command ne '' && substr ($command, -1) ne ';';
6931 open (FC_FILE, $file)
6932 || die "automake: installation error: cannot open \`$file'\n";
6934 # print "automake: reading $file\n" if $verbose;
6936 local ($was_rule) = 0;
6937 local ($result_vars) = '';
6938 local ($result_rules) = '';
6939 local ($comment) = '';
6940 local ($spacing) = "\n";
6941 local ($skipping) = 0;
6946 $_ =~ s/\@MAINTAINER_MODE_TRUE\@//g
6947 unless $seen_maint_mode;
6949 $had_chars = length ($_) && $_ ne "\n";
6951 # If the transform caused all the characters to go away, then
6952 # ignore the line. Why do this? Because in Perl 4, a "next"
6953 # inside of an eval doesn't affect a loop outside the eval.
6954 # So we can't pass in a "transform" that uses next. We used
6955 # to do this. "Empty" also means consisting of a single
6957 next if $had_chars && ($_ eq '' || $_ eq "\n");
6959 if (/$IGNORE_PATTERN/o)
6961 # Merely delete comments beginning with two hashes.
6963 elsif (/$WHITE_PATTERN/o)
6965 # Stick a single white line before the incoming macro or rule.
6967 &am_line_error ($., "blank line following trailing backslash")
6970 elsif (/$COMMENT_PATTERN/o)
6972 # Stick comments before the incoming macro or rule.
6973 $comment .= $spacing . $_;
6975 &am_line_error ($., "comment following trailing backslash")
6982 $result_rules .= $_ if ! $skipping;
6986 $result_vars .= $_ if ! $skipping;
6990 elsif (/^.PHONY: (.*)$/)
6992 # Having a special case for PHONY upstream seems much easier than
6993 # trying to have it fit in RULE_PATTERN and extract it later.
6994 push (@phony, split (/\s+/, $1));
6996 elsif (/$RULE_PATTERN/o)
7000 $skipping = defined $contents{$1};
7001 $result_rules .= $comment . $spacing . $_ if ! $skipping;
7002 $comment = $spacing = '';
7005 elsif (/$MACRO_PATTERN/o)
7007 # Found a variable reference.
7009 $skipping = defined $contents{$1};
7010 $result_vars .= $comment . $spacing . $_ if ! $skipping;
7011 $comment = $spacing = '';
7013 &prog_error (".am macro \`$1' with trailing backslash at $file:$.")
7015 $am_var_defs{$1} = $3;
7019 # This isn't an error; it is probably a continued rule.
7020 # In fact, this is what we assume.
7022 $result_rules .= $comment . $spacing . $_ if ! $skipping;
7023 $comment = $spacing = '';
7029 return $result_vars . $result_rules . $comment;
7032 # Like file_contents_with_transform, but no transform.
7035 return &file_contents_with_transform ('', @_);
7038 # &transform (%PAIRS)
7039 # -------------------
7040 # Create a replacement expression suitable for file_contents_with_transform
7041 # to replace each key of %PAIRS by its value.
7044 local (%pairs) = @_;
7045 local ($result) = '';
7048 foreach $pattern (sort keys %pairs)
7050 ($quoted = $pairs{$pattern}) =~ s/(\W)/\\$1/g;
7051 $result .= 's,\@' . $pattern . '\@,' . $quoted . ',g;';
7056 # Find all variable prefixes that are used for install directories. A
7057 # prefix `zar' qualifies iff:
7058 # * `zardir' is a variable.
7059 # * `zar_PRIMARY' is a variable.
7060 sub am_primary_prefixes
7062 local ($primary, $can_dist, @prefixes) = @_;
7064 local (%valid, $varname);
7065 grep ($valid{$_} = 0, @prefixes);
7066 $valid{'EXTRA'} = 0;
7067 foreach $varname (keys %contents)
7069 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_$primary$/)
7071 if (($2 ne '' && ! $can_dist)
7072 || (! defined $valid{$3} && ! &variable_defined ($3 . 'dir')))
7074 # Note that a configure variable is always legitimate.
7075 # It is natural to name such variables after the
7076 # primary, so we explicitly allow it.
7077 if (! defined $configure_vars{$varname})
7079 &am_line_error ($varname, "invalid variable \`$varname'");
7084 # Ensure all extended prefixes are actually used.
7085 $valid{$1 . $2 . $3} = 1;
7093 # Handle `where_HOW' variable magic. Does all lookups, generates
7094 # install code, and possibly generates code to define the primary
7095 # variable. The first argument is the name of the .am file to munge,
7096 # the second argument is the primary variable (eg HEADERS), and all
7097 # subsequent arguments are possible installation locations. Returns
7098 # list of all values of all _HOW targets.
7100 # FIXME: this should be rewritten to be cleaner. It should be broken
7101 # up into multiple functions.
7103 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7108 local ($do_clean) = 0;
7109 local ($do_require) = 1;
7110 local ($can_dist) = 0;
7111 local ($default_dist) = 0;
7114 if (defined $configure_vars{'LIBTOOL'})
7116 # Transform '@LIBTOOL ...@' to '$(LIBTOOL) ...'
7117 $ltxform = 's/\@LIBTOOL([^\@]*)\@/\$(LIBTOOL) $1/;';
7121 # Delete '@LIBTOOL ...@'
7122 $ltxform = 's/\@LIBTOOL([^\@]*)\@//;';
7128 $cygxform = 's/\@EXEEXT\@//g;';
7132 $cygxform = 's/\@EXEEXT\@/\$(EXEEXT)/g;';
7137 if ($args[0] eq '-clean')
7141 elsif ($args[0] eq '-noextra')
7145 elsif ($args[0] eq '-candist')
7149 elsif ($args[0] eq '-defaultdist')
7154 elsif ($args[0] !~ /^-/)
7161 local ($file, $primary, @prefixes) = @args;
7164 local (@result) = ();
7166 # Now that configure substitutions are allowed in where_HOW
7167 # variables, it is an error to actually define the primary. We
7168 # allow `JAVA', as it is customarily used to mean the Java
7169 # interpreter. This is but one of several Java hacks. Similarly,
7170 # `PYTHON' is customarily used to mean the Python interpreter.
7171 &am_line_error ($primary, "\`$primary' is an anachronism")
7172 if &variable_defined ($primary)
7173 && ($primary ne 'JAVA' && $primary ne 'PYTHON');
7176 # Look for misspellings. It is an error to have a variable ending
7177 # in a "reserved" suffix whose prefix is unknown, eg
7178 # "bni_PROGRAMS". However, unusual prefixes are allowed if a
7179 # variable of the same name (with "dir" appended) exists. For
7180 # instance, if the variable "zardir" is defined, then
7181 # "zar_PROGRAMS" becomes valid. This is to provide a little extra
7182 # flexibility in those cases which need it.
7183 local (%valid) = &am_primary_prefixes ($primary, $can_dist, @prefixes);
7185 # If a primary includes a configure substitution, then the EXTRA_
7186 # form is required. Otherwise we can't properly do our job.
7187 local ($require_extra);
7188 local ($warned_about_extra) = 0;
7190 local ($clean_file) = $file . '-clean';
7193 local ($nodir_name);
7194 local ($strip_subdir) = 1;
7195 foreach $X (sort keys %valid)
7197 $one_name = $X . '_' . $primary;
7198 if (&variable_defined ($one_name))
7200 # If subdir prefix should be preserved, do so.
7201 if ($X =~ /^nobase_/)
7207 # If files should be distributed, do so.
7210 if (($default_dist && $one_name !~ /^nodist_/)
7211 || (! $default_dist && $one_name =~ /^dist_/))
7213 &push_dist_common ('$(' . $one_name . ')');
7215 ($nodir_name = $X) =~ s/^(dist|nodist)_//;
7222 # Append actual contents of where_PRIMARY variable to
7225 foreach $rcurs (&variable_value_as_list ($one_name, 'all'))
7227 # Skip configure substitutions. Possibly bogus.
7228 if ($rcurs =~ /^\@.*\@$/)
7232 if (! $warned_about_extra)
7234 $warned_about_extra = 1;
7236 &am_line_error ($one_name,
7237 "\`$one_name' contains configure substitution, but shouldn't");
7241 # Check here to make sure variables defined in
7242 # configure.ac do not imply that EXTRA_PRIMARY
7244 elsif (! defined $configure_vars{$one_name})
7246 $require_extra = $one_name
7253 push (@result, $rcurs);
7256 # A blatant hack: we rewrite each _PROGRAMS primary to
7257 # include EXEEXT when in Cygwin32 mode.
7258 if ($seen_exeext && $primary eq 'PROGRAMS')
7260 local (@conds) = &variable_conditions ($one_name);
7261 local (@one_binlist);
7263 # FIXME: this definitely loses aesthetically; it
7264 # redefines $ONE_NAME. Instead we should arrange for
7265 # variable definitions to be output later, instead of
7271 foreach $rcurs (&variable_value_as_list ($one_name, ''))
7273 if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
7275 push (@one_binlist, $rcurs);
7279 push (@one_binlist, $rcurs . '$(EXEEXT)');
7283 delete $contents{$one_name};
7284 &define_pretty_variable ($one_name, '', @one_binlist);
7289 local ($condvals) = '';
7290 foreach $cond (@conds)
7293 local (@condval) = &variable_value_as_list ($one_name,
7295 foreach $rcurs (@condval)
7297 if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
7299 push (@one_binlist, $rcurs);
7303 push (@one_binlist, $rcurs . '$(EXEEXT)');
7307 push (@condvals, $cond);
7308 push (@condvals, join (' ', @one_binlist));
7311 delete $contents{$one_name};
7315 $cond = shift (@condvals);
7316 local (@val) = split (' ', shift (@condvals));
7317 &define_pretty_variable ($one_name, $cond, @val);
7322 # "EXTRA" shouldn't be used when generating clean targets,
7323 # all, or install targets.
7326 # We used to warn if EXTRA_FOO was defined uselessly,
7327 # but this was annoying.
7334 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/go;'
7338 push (@clean, $X . $primary);
7339 &push_phony_cleaners ($X . $primary);
7344 push (@check, '$(' . $one_name . ')');
7348 push (@used, '$(' . $one_name . ')');
7350 if ($X eq 'noinst' || $X eq 'check')
7352 # Objects which don't get installed by default.
7356 local ($subdir_xform);
7359 $subdir_xform = 's/^NOBASE.*$//; s/^BASE//;';
7363 $subdir_xform = 's/^BASE.*$//; s/^NOBASE//;';
7367 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/g;'
7368 . 's/\@NDIR\@/' . $nodir_name . '/go;'
7369 . $ltxform . $cygxform
7373 push (@uninstall, 'uninstall-' . $X . $primary);
7374 push (@phony, 'uninstall-' . $X . $primary);
7375 push (@installdirs, '$(DESTDIR)$(' . $X . 'dir)');
7376 if (defined $exec_dir_p{$X} ? $exec_dir_p{$X} : ($X =~ /exec/))
7378 push (@install_exec, 'install-' . $X . $primary);
7379 push (@phony, 'install-' . $X . $primary);
7383 push (@install_data, 'install-' . $X . $primary);
7384 push (@phony, 'install-' . $X . $primary);
7389 # The JAVA variable is used as the name of the Java interpreter.
7390 # The PYTHON variable is used as the name of the Python interpreter.
7391 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7394 &define_pretty_variable ($primary, '', @used);
7395 $output_vars .= "\n";
7398 if ($require_extra && ! &variable_defined ('EXTRA_' . $primary))
7400 &am_line_error ($require_extra,
7401 "\`$require_extra' contains configure substitution, but \`EXTRA_$primary' not defined");
7404 # Push here because PRIMARY might be configure time determined.
7405 push (@all, '$(' . $primary . ')')
7406 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7408 # Make the result unique. This lets the user use conditionals in
7409 # a natural way, but still lets us program lazily -- we don't have
7410 # to worry about handling a particular object more than once.
7411 local (%uniquify) = ();
7412 grep ($uniquify{$_} = 1, @result);
7413 return sort keys %uniquify;
7417 ################################################################
7419 # Each key in this hash is the name of a directory holding a
7420 # Makefile.in. These variables are local to `is_make_dir'.
7427 if (! $make_dirs_set)
7429 foreach $iter (@configure_input_files)
7431 $make_dirs{&dirname ($iter)} = 1;
7433 # We also want to notice Makefile.in's.
7434 foreach $iter (@other_input_files)
7436 if ($iter =~ /Makefile\.in$/)
7438 $make_dirs{&dirname ($iter)} = 1;
7443 return defined $make_dirs{$dir};
7446 ################################################################
7448 # This variable is local to the "require file" set of functions.
7449 @require_file_paths = ();
7451 # If a file name appears as a key in this hash, then it has already
7452 # been checked for. This variable is local to the "require file"
7454 %require_file_found = ();
7456 # See if we want to push this file onto dist_common. This function
7457 # encodes the rules for deciding when to do so.
7458 sub maybe_push_required_file
7460 local ($dir, $file, $fullfile) = @_;
7462 # FIXME: Once again, special-case `.'.
7463 if ($dir eq $relative_dir || $dir eq '.')
7465 &push_dist_common ($file);
7467 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7469 # If we are doing the topmost directory, and the file is in a
7470 # subdir which does not have a Makefile, then we distribute it
7472 &push_dist_common ($fullfile);
7476 # Verify that the file must exist in the current directory. Usage:
7477 # require_file (isconfigure, line_number, strictness, file) strictness
7478 # is the strictness level at which this file becomes required. Must
7479 # set require_file_paths before calling this function.
7480 # require_file_paths is set to hold a single directory (the one in
7481 # which the first file was found) before return.
7482 sub require_file_internal
7484 local ($is_configure, $line, $mystrict, @files) = @_;
7485 local ($file, $fullfile);
7486 local ($found_it, $dangling_sym, $errfile, $errdir);
7489 foreach $file (@files)
7491 # If we've already looked for it, we're done.
7492 next if defined $require_file_found{$file};
7493 $require_file_found{$file} = 1;
7497 foreach $dir (@require_file_paths)
7501 $fullfile = $relative_dir . "/" . $file;
7502 $errdir = $relative_dir unless $errdir;
7506 $fullfile = $dir . "/" . $file;
7507 $errdir = $dir unless $errdir;
7510 # Use different name for "error filename". Otherwise on
7511 # an error the bad file will be reported as eg
7512 # `../../install-sh' when using the default
7514 $errfile = $errdir . '/' . $file;
7516 if (-l $fullfile && ! -f readlink ($fullfile))
7521 elsif (-f $fullfile)
7524 &maybe_push_required_file ($dir, $file, $fullfile);
7530 if ($found_it && ! $force_missing)
7532 # Prune the path list.
7533 @require_file_paths = $save_dir;
7537 if ($strictness >= $mystrict)
7539 if ($dangling_sym && ($force_missing || $add_missing))
7544 local ($trailer) = '';
7545 local ($suppress) = 0;
7547 # Only install missing files according to our desired
7549 local ($message) = "required file \`$errfile' not found";
7554 # Maybe run libtoolize.
7555 local @syslist = ('libtoolize', '--automake');
7556 push @syslist, '--copy'
7559 && grep ($_ eq $file, @libtoolize_files)
7560 && system (@syslist))
7562 $message = "installing \`$errfile'";
7564 $trailer = "; cannot run \`libtoolize': $!";
7566 elsif (-f ($am_dir . '/' . $file))
7568 # Install the missing file. Symlink if we
7569 # can, copy if we must. Note: delete the file
7570 # first, in case it is a dangling symlink.
7571 $message = "installing \`$errfile'";
7572 # Windows Perl will hang if we try to delete a
7573 # file that doesn't exist.
7574 unlink ($errfile) if -f $errfile;
7575 if ($symlink_exists && ! $copy_missing)
7577 if (! symlink ($am_dir . '/' . $file, $errfile))
7580 $trailer = "; error while making link: $!";
7583 elsif (system ('cp', $am_dir . '/' . $file, $errfile))
7586 $trailer = "\n error while copying";
7590 &maybe_push_required_file (&dirname ($errfile),
7594 local ($save) = $exit_status;
7597 # FIXME: allow actual file to be specified.
7598 &am_conf_line_error ($configure_ac, $line,
7599 "$message$trailer");
7603 &am_line_error ($line, "$message$trailer");
7605 $exit_status = $save if $suppress;
7611 # Like require_file_with_line, but error messages refer to
7612 # configure.ac, not the current Makefile.am.
7613 sub require_file_with_conf_line
7615 @require_file_paths = '.';
7616 &require_file_internal (1, @_);
7619 sub require_file_with_line
7621 @require_file_paths = '.';
7622 &require_file_internal (0, @_);
7627 @require_file_paths = '.';
7628 &require_file_internal (0, '', @_);
7631 # Require a file that is also required by Autoconf. Looks in
7632 # configuration path, as specified by AC_CONFIG_AUX_DIR.
7633 sub require_config_file
7635 @require_file_paths = @config_aux_path;
7636 &require_file_internal (1, '', @_);
7637 local ($dir) = $require_file_paths[0];
7638 @config_aux_path = @require_file_paths;
7641 $config_aux_dir = '.';
7645 $config_aux_dir = '$(top_srcdir)/' . $dir;
7649 # Assumes that the line number is in Makefile.am.
7650 sub require_conf_file_with_line
7652 @require_file_paths = @config_aux_path;
7653 &require_file_internal (0, @_);
7654 local ($dir) = $require_file_paths[0];
7655 @config_aux_path = @require_file_paths;
7658 $config_aux_dir = '.';
7662 $config_aux_dir = '$(top_srcdir)/' . $dir;
7666 # Assumes that the line number is in configure.ac.
7667 sub require_conf_file_with_conf_line
7669 @require_file_paths = @config_aux_path;
7670 &require_file_internal (1, @_);
7671 local ($dir) = $require_file_paths[0];
7672 @config_aux_path = @require_file_paths;
7675 $config_aux_dir = '.';
7679 $config_aux_dir = '$(top_srcdir)/' . $dir;
7683 ################################################################
7685 # Push a list of files onto dist_common.
7686 sub push_dist_common
7688 local (@files) = @_;
7691 foreach $file (@files)
7693 if (! defined $dist_common{$file})
7695 &prog_error ("push_dist_common run after handle_dist")
7696 if $handle_dist_run;
7697 $dist_common{$file} = 1;
7702 # Push a list of clean targets onto phony.
7703 sub push_phony_cleaners
7707 foreach $target ('mostly', 'dist', '', 'maintainer-')
7709 push (@phony, $target . 'clean-' . $base);
7716 $strictness_name = $_[0];
7717 if ($strictness_name eq 'gnu')
7721 elsif ($strictness_name eq 'gnits')
7723 $strictness = $GNITS;
7725 elsif ($strictness_name eq 'foreign')
7727 $strictness = $FOREIGN;
7731 die "automake: level \`$strictness_name' not recognized\n";
7736 ################################################################
7738 # Return directory name of file.
7744 ($sub = $file) =~ s,/+[^/]+$,,g;
7745 $sub = '.' if $sub eq $file;
7749 # Return file name of a file.
7755 ($sub = $file) =~s,^.*/+,,g;
7759 # Ensure a file exists.
7764 open (TOUCH, ">> $file");
7768 # Glob something. Do this to avoid indentation screwups everywhere we
7769 # want to glob. Gross!
7776 ################################################################
7778 # Print an error message and set exit status.
7781 warn "automake: ${am_file}.am: @_\n";
7787 local ($symbol, @args) = @_;
7789 if ($symbol && "$symbol" ne '-1')
7791 local ($file) = "${am_file}.am";
7793 if ($symbol =~ /^\d+$/)
7795 # SYMBOL is a line number, so just add the colon.
7796 $file .= ':' . $symbol;
7798 elsif (defined $content_lines{$symbol})
7800 # SYMBOL is a variable defined in Makefile.am, so add the
7801 # line number we saved from there.
7802 $file .= ':' . $content_lines{$symbol};
7804 elsif (defined $configure_vars{$symbol})
7806 # SYMBOL is a variable defined in configure.ac, so add the
7807 # appropriate line number.
7808 $file = $configure_vars{$symbol};
7812 # Couldn't find the line number.
7814 warn $file, ": @args\n";
7823 # Like am_error, but while scanning configure.ac.
7826 # FIXME: can run in subdirs.
7827 warn "automake: $configure_ac: @_\n";
7831 # Error message with line number referring to configure.ac.
7832 sub am_conf_line_error
7834 local ($file, $line, @args) = @_;
7838 warn "$file: $line: @args\n";
7843 &am_conf_error (@args);
7847 # Warning message with line number referring to configure.ac.
7848 # Does not affect exit_status
7849 sub am_conf_line_warning
7851 local ($saved_exit_status) = $exit_status;
7852 &am_conf_line_error (@_);
7853 $exit_status = $saved_exit_status;
7856 # Tell user where our aclocal.m4 is, but only once.
7857 sub keyed_aclocal_warning
7860 warn "automake: macro \`$key' can be generated by \`aclocal'\n";
7863 # Print usage information.
7866 print "Usage: automake [OPTION] ... [Makefile]...\n\n";
7867 print "Generate Makefile.in for autoconf from Makefile.am\n";
7869 print "\nFiles which are automatically distributed, if found:\n";
7870 $~ = "USAGE_FORMAT";
7871 local ($last, $iter, @lcomm);
7873 foreach $iter (sort ((@common_files, @common_sometimes)))
7875 push (@lcomm, $iter) unless $iter eq $last;
7879 local ($one, $two, $three, $four, $i, $max);
7880 $max = int (($#lcomm + 1) / 4);
7882 for ($i = 0; $i < $max; ++$i)
7885 $two = $lcomm[$max + $i];
7886 $three = $lcomm[2 * $max + $i];
7887 $four = $lcomm[3 * $max + $i];
7891 local ($mod) = ($#lcomm + 1) % 4;
7894 $one = $lcomm[$max];
7895 $two = ($mod > 1) ? $lcomm[2 * $max] : '';
7896 $three = ($mod > 2) ? $lcomm[3 * $max] : '';
7897 $four = ($mod > 3) ? $lcomm[4 * $max] : '';
7901 print "\nReport bugs to <bug-automake\@gnu.org>.\n";
7906 format USAGE_FORMAT =
7907 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
7908 $one, $two, $three, $four