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>.
31 # Parameters set by configure. Not to be changed. NOTE: assign
32 # VERSION as string so that eg version 0.30 will print correctly.
33 $VERSION = "@VERSION@";
34 $PACKAGE = "@PACKAGE@";
36 $am_dir = "@datadir@/@PACKAGE@";
39 $IGNORE_PATTERN = "^##([^#].*)?\$";
40 $WHITE_PATTERN = "^[ \t]*\$";
41 $COMMENT_PATTERN = "^#";
42 $RULE_PATTERN = "^([\$a-zA-Z_.][-.a-zA-Z0-9_(){}/\$]*) *:([^=].*|)\$";
43 $SUFFIX_RULE_PATTERN = "^\\.([a-zA-Z0-9]+)\\.([a-zA-Z0-9]+)\$";
44 # Only recognize leading spaces, not leading tabs. If we recognize
45 # leading tabs here then we need to make the reader smarter, because
46 # otherwise it will think rules like `foo=bar; \' are errors.
47 $MACRO_PATTERN = "^ *([A-Za-z0-9_]+)[ \t]*([:+]?)=[ \t]*(.*)\$";
48 $BOGUS_MACRO_PATTERN = "^ *([^ \t]*)[ \t]*([:+]?)=[ \t]*(.*)\$";
49 $GNITS_VERSION_PATTERN = "[0-9]+\\.[0-9]+([a-z]|\\.[0-9]+)?";
50 $IF_PATTERN = "^if[ \t]+\([A-Za-z][A-Za-z0-9_]*\)[ \t]*\(#.*\)?\$";
51 $ELSE_PATTERN = "^else[ \t]*\(#.*\)?\$";
52 $ENDIF_PATTERN = "^endif[ \t]*\(#.*\)?\$";
53 $PATH_PATTERN='(\\w|[/.-])+';
54 # This will pass through anything not of the prescribed form.
55 $INCLUDE_PATTERN = "^include[ \t]+((\\\$\\\(top_srcdir\\\)/${PATH_PATTERN})|(\\\$\\\(srcdir\\\)/${PATH_PATTERN})|([^/\\\$]${PATH_PATTERN}))[ \t]*(#.*)?\$";
57 # Some regular expressions. One reason to put them here is that it
58 # makes indentation work better in Emacs.
59 $AC_CONFIG_AUX_DIR_PATTERN = "AC_CONFIG_AUX_DIR\\(([^)]+)\\)";
60 $AM_INIT_AUTOMAKE_PATTERN = "AM_INIT_AUTOMAKE\\([^,]*,([^,)]+)[,)]";
61 $AM_PACKAGE_VERSION_PATTERN = "^\\s*\\[?([^]\\s]+)\\]?\\s*\$";
62 # Note that there is no AC_PATH_TOOL. But we don't really care.
63 $AC_CHECK_PATTERN = "AC_(CHECK|PATH)_(PROG|PROGS|TOOL)\\(\\[?(\\w+)";
64 $AM_MISSING_PATTERN = "AM_MISSING_PROG\\(\\[?(\\w+)";
65 # Just check for alphanumeric in AC_SUBST. If you do AC_SUBST(5),
67 $AC_SUBST_PATTERN = "AC_SUBST\\(\\[?(\\w+)";
68 $AM_CONDITIONAL_PATTERN = "AM_CONDITIONAL\\((\\w+)";
70 # Constants to define the "strictness" level.
75 # These constants are returned by lang_*_rewrite functions.
76 # LANG_SUBDIR means that the resulting object file should be in a
77 # subdir if the source file is. In this case the file name cannot
78 # have `..' components.
85 # Variables global to entire run.
87 # Variables related to the options.
89 # TRUE if we should always generate Makefile.in.
90 $force_generation = 1;
92 # Strictness level as set on command line.
93 $default_strictness = $GNU;
95 # Name of strictness level, as set on command line.
96 $default_strictness_name = 'gnu';
98 # This is TRUE if automatic dependency generation code should be
99 # included in generated Makefile.in.
100 $cmdline_use_dependencies = 1;
102 # TRUE if in verbose mode.
105 # This holds our (eventual) exit status. We don't actually exit until
106 # we have processed all input files.
109 # From the Perl manual.
110 $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
112 # TRUE if missing standard files should be installed.
115 # TRUE if we should copy missing files; otherwise symlink if possible.
118 # TRUE if we should always update files that we know about.
122 # Variables filled during files scanning.
124 # Name of the top autoconf input: `configure.ac' or `configure.in'.
127 # Files found by scanning configure.ac for LIBOBJS.
130 # True if AM_C_PROTOTYPES appears in configure.ac.
131 $am_c_prototypes = 0;
133 # Names used in AC_CONFIG_HEADER call. @config_fullnames holds the
134 # name which appears in AC_CONFIG_HEADER, colon and all.
135 # @config_names holds the file names. @config_headers holds the '.in'
136 # files. Ordinarily these are similar, but they can be different if
137 # the weird "NAME:FILE" syntax is used.
138 @config_fullnames = ();
140 @config_headers = ();
141 # Line number at which AC_CONFIG_HEADER appears in configure.ac.
142 $config_header_line = 0;
144 # Directory where output files go. Actually, output files are
145 # relative to this directory.
146 $output_directory = '.';
148 # Relative location of top build directory.
151 # List of Makefile.am's to process, and their corresponding outputs.
155 # Complete list of Makefile.am's that exist.
156 @configure_input_files = ();
158 # List of files in AC_OUTPUT without Makefile.am, and their outputs.
159 @other_input_files = ();
160 # Line number at which AC_OUTPUT seen.
163 # List of directories to search for configure-required files. This
164 # can be set by AC_CONFIG_AUX_DIR.
165 @config_aux_path = ('.', '..', '../..');
166 $config_aux_dir = '';
168 # Whether AC_PROG_MAKE_SET has been seen in configure.ac.
171 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
173 # Line number at which AM_GNU_GETTEXT seen.
174 $ac_gettext_line = 0;
176 # Whether ALL_LINGUAS has been seen.
180 # Line number at which it appears.
181 $all_linguas_line = 0;
183 # 1 if AC_PROG_INSTALL seen.
184 $seen_prog_install = 0;
186 # Whether AC_PATH_XTRA has been seen in configure.ac.
189 # TRUE if AC_DECL_YYTEXT was seen.
190 $seen_decl_yytext = 0;
192 # TRUE if we've seen AC_CANONICAL_(HOST|SYSTEM). The presence of
193 # AC_CHECK_TOOL also sets this.
196 # TRUE if we've seen AC_ARG_PROGRAM.
199 # TRUE if we've seen AC_PROG_LIBTOOL.
203 # Files installed by libtoolize.
204 @libtoolize_files = ('ltmain.sh', 'config.guess', 'config.sub');
205 # ltconfig appears here for compatibility with old versions of libtool.
206 @libtoolize_sometimes = ('ltconfig', 'ltcf-c.sh', 'ltcf-cxx.sh',
209 # TRUE if we've seen AM_MAINTAINER_MODE.
210 $seen_maint_mode = 0;
212 # Actual version we've seen.
213 $package_version = '';
215 # Line number where we saw version definition.
216 $package_version_line = 0;
218 # TRUE if we've seen AM_PATH_LISPDIR.
221 # TRUE if we've seen AM_CHECK_PYTHON.
224 # TRUE if we've seen AC_EXEEXT.
227 # TRUE if we've seen AC_OBJEXT.
230 # TRUE if we've seen AC_ENABLE_MULTILIB.
233 # TRUE if we've seen AM_PROG_CC_C_O
236 # TRUE if we've seen AM_INIT_AUTOMAKE.
237 $seen_init_automake = 0;
239 # Hash table of discovered configure substitutions. Keys are names,
240 # values are `FILE:LINE' strings which are used by error message
242 %configure_vars = ();
244 # This is used to keep track of which variable definitions we are
245 # scanning. It is only used in certain limited ways, but it has to be
246 # global. It is declared just for documentation purposes.
249 # Charsets used by maintainer and in distribution. MAINT_CHARSET is
250 # handled in a funny way: if seen in the top-level Makefile.am, it is
251 # used for every directory which does not specify a different value.
252 # The rationale here is that some directories (eg gettext) might be
253 # distributions of other packages, and thus require their own charset
254 # info. However, the DIST_CHARSET must be the same for the entire
255 # package; it can only be set at top-level.
256 # FIXME: this yields bugs when rebuilding. What to do? Always
257 # read (and sometimes discard) top-level Makefile.am?
259 $dist_charset = 'utf8'; # recode doesn't support this yet.
261 # Name of input file ("Makefile.in") and output file ("Makefile.am").
262 # These have no directory components.
266 # TRUE if --cygnus seen.
269 # Hash table of AM_CONDITIONAL variables seen in configure.
270 %configure_cond = ();
272 # Map from obsolete macros to hints for new macros.
273 # If you change this, change the corresponding list in aclocal.in.
274 # FIXME: should just put this into a single file.
277 'AC_FEATURE_CTYPE', "use \`AC_HEADER_STDC'",
278 'AC_FEATURE_ERRNO', "add \`strerror' to \`AC_REPLACE_FUNCS(...)'",
279 'AC_FEATURE_EXIT', '',
280 'AC_SYSTEM_HEADER', '',
282 # Note that we do not handle this one, because it is still run
283 # from AM_CONFIG_HEADER. So we deal with it specially in
284 # &scan_autoconf_files.
285 # 'AC_CONFIG_HEADER', "use \`AM_CONFIG_HEADER'",
287 'fp_C_PROTOTYPES', "use \`AM_C_PROTOTYPES'",
288 'fp_PROG_CC_STDC', "use \`AM_PROG_CC_STDC'",
289 'fp_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
290 'fp_WITH_DMALLOC', "use \`AM_WITH_DMALLOC'",
291 'fp_WITH_REGEX', "use \`AM_WITH_REGEX'",
292 'gm_PROG_LIBTOOL', "use \`AM_PROG_LIBTOOL'",
293 'jm_MAINTAINER_MODE', "use \`AM_MAINTAINER_MODE'",
294 'md_TYPE_PTRDIFF_T', "use \`AM_TYPE_PTRDIFF_T'",
295 'ud_PATH_LISPDIR', "use \`AM_PATH_LISPDIR'",
296 'ud_GNU_GETTEXT', "use \`AM_GNU_GETTEXT'",
298 # Now part of autoconf proper, under a different name.
299 'AM_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
300 'fp_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
301 'AM_SANITY_CHECK_CC', "automatically done by \`AC_PROG_CC'",
302 'AM_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
303 'AM_EXEEXT', "use \`AC_EXEEXT'",
304 'AM_CYGWIN32', "use \`AC_CYGWIN'",
305 'AM_MINGW32', "use \`AC_MINGW32'",
306 'AM_FUNC_MKTIME', "use \`AC_FUNC_MKTIME'",
308 # These aren't quite obsolete.
312 # Regexp to match the above macros.
313 $obsolete_rx = '(\b' . join ('\b|\b', keys %obsolete_macros) . '\b)';
315 # This maps extensions onto language names.
318 # This maps languages names onto properties.
321 # This holds all the files that would go in `dist_common' which we
322 # discovered while scanning configure.ac. We might distribute these
323 # in the top-level Makefile.in.
324 %configure_dist_common = ();
328 # Initialize global constants and our list of languages that are
329 # internally supported.
330 &initialize_global_constants;
332 ®ister_language ('c', 'ansi-p=1', 'autodep=', 'flags=CFLAGS',
333 'compile=$(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
334 'compiler-name=COMPILE',
337 ®ister_language ('cxx', 'linker=CXXLINK', 'autodep=CXX', 'flags=CXXFLAGS',
338 'compile=$(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
339 'compiler-name=CXXCOMPILE',
340 'output-arg=-c -o $@',
341 'c++', 'cc', 'cpp', 'cxx', 'C');
342 ®ister_language ('objc', 'linker=OBJCLINK', 'autodep=OBJC',
344 'compile=$(OBJC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
345 'compiler-name=OBJCCOMPILE',
346 'output-arg=-c -o $@',
348 ®ister_language ('header',
349 'h', 'H', 'hxx', 'h++', 'hh', 'hpp', 'inc');
351 # For now, yacc and lex can't be handled on a per-exe basis.
352 ®ister_language ('yacc', 'ansi-p=1', 'derived-autodep=yes',
354 ®ister_language ('yaccxx', 'linker=CXXLINK', 'derived-autodep=yes',
355 'y++', 'yy', 'yxx', 'ypp');
356 ®ister_language ('lex', 'ansi-p=1', 'derived-autodep=yes',
358 ®ister_language ('lexxx', 'linker=CXXLINK', 'derived-autodep=yes',
359 'l++', 'll', 'lxx', 'lpp');
361 ®ister_language ('asm',
362 'flags=CFLAGS', # FIXME: asmflags?
363 'compile=$(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)', # FIXME: a different compiler?
364 'compiler-name=COMPILE',
368 ®ister_language ('f77', 'linker=F77LINK', 'flags=FFLAGS',
369 'compile=$(F77) $(AM_FFLAGS) $(FFLAGS)',
370 'compiler-name=F77COMPILE',
371 'output-arg=-c -o $@',
373 ®ister_language ('ppf77', 'linker=F77LINK', 'flags=FFLAGS',
374 'compile=$(F77) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
375 'compiler-name=PPF77COMPILE',
376 'output-arg=-c -o $@',
378 ®ister_language ('ratfor', 'linker=F77LINK',
379 'flags=RFLAGS', # FIXME also FFLAGS.
380 'compile=$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
381 'compiler-name=RCOMPILE',
382 'output-arg=-c -o $@',
384 # FIXME: for now we can't do dependency tracking for Java.
386 ®ister_language ('java', 'linker=GCJLINK', 'flags=GCJFLAGS',
387 'compile=$(GCJ) $(DEFS) $(INCLUDES) $(AM_GCJFLAGS) $(GCJFLAGS)',
388 'compiler-name=GCJCOMPILE',
389 'output-arg=-c -o $@',
390 'java', 'class', 'zip', 'jar');
393 # Parse command line.
394 &parse_arguments (@ARGV);
396 # Do configure.ac scan only once.
397 &scan_autoconf_files;
399 die "automake: no \`Makefile.am' found or specified\n"
402 # Now do all the work on each file.
403 foreach $am_file (@input_files)
405 if (! -f ($am_file . '.am'))
407 &am_error ("\`" . $am_file . ".am' does not exist");
411 &generate_makefile ($output_files{$am_file}, $am_file);
415 &am_conf_error ("AC_PROG_INSTALL must be used")
416 if (! $seen_prog_install);
421 ################################################################
423 # Parse command line.
426 local (@arglist) = @_;
429 &set_strictness ('gnu');
433 if ($arglist[0] eq "--version")
435 print "automake (GNU $PACKAGE) $VERSION\n\n";
436 print "Copyright 2000 Free Software Foundation, Inc.\n";
437 print "This is free software; see the source for copying conditions. There is NO\n";
438 print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n";
439 print "Written by Tom Tromey <tromey\@cygnus.com>\n";
443 elsif ($arglist[0] eq "--help")
447 elsif ($arglist[0] =~ /^--amdir=(.+)$/)
451 elsif ($arglist[0] eq '--amdir')
453 &require_argument (@arglist);
455 $am_dir = $arglist[0];
457 elsif ($arglist[0] eq '--gnu')
459 &set_strictness ('gnu');
461 elsif ($arglist[0] eq '--gnits')
463 &set_strictness ('gnits');
465 elsif ($arglist[0] eq '--cygnus')
469 elsif ($arglist[0] eq '--foreign')
471 &set_strictness ('foreign');
473 elsif ($arglist[0] eq '--include-deps')
475 $cmdline_use_dependencies = 1;
477 elsif ($arglist[0] eq '--ignore-deps' || $arglist[0] eq '-i')
479 $cmdline_use_dependencies = 0;
481 elsif ($arglist[0] eq '--no-force')
483 $force_generation = 0;
485 elsif ($arglist[0] eq '--force-missing')
489 elsif ($arglist[0] =~ /^--output-dir=(.*)$/)
491 # Set output directory.
492 $output_directory = $1;
494 elsif ($arglist[0] eq '--output-dir' || $arglist[0] eq '-o')
496 &require_argument (@arglist);
498 $output_directory = $arglist[0];
500 elsif ($arglist[0] eq '--add-missing' || $arglist[0] eq '-a')
504 elsif ($arglist[0] eq '--copy' || $arglist[0] eq '-c')
508 elsif ($arglist[0] eq '--verbose' || $arglist[0] eq '-v')
512 elsif ($arglist[0] eq '--')
514 # Stop option processing.
516 push (@input_files, @arglist);
519 elsif ($arglist[0] =~ /^-/)
521 die "automake: unrecognized option -- \`$arglist[0]'\nTry \`automake --help' for more information.\n";
525 # Handle $local:$input syntax. Note that we only examine
526 # the first ":" file to see if it is automake input; the
527 # rest are just taken verbatim. We still keep all the
528 # files around for dependency checking, however.
529 local ($local, $input, @rest) = split (/:/, $arglist[0]);
536 # Strip .in; later on .am is tacked on. That is how
537 # the automake input file is found. Maybe not the
538 # best way, but it is easy to explain. FIXME: should
539 # be error if .in is missing.
542 push (@input_files, $input);
543 $output_files{$input} = join (':', ($local, @rest));
549 # Take global strictness from whatever we currently have set.
550 $default_strictness = $strictness;
551 $default_strictness_name = $strictness_name;
554 # Ensure argument exists, or die.
557 local ($arg, @arglist) = @_;
558 die "automake: no argument given for option \`$arg'\n"
562 ################################################################
564 # Generate a Makefile.in given the name of the corresponding Makefile and
565 # the name of the file output by config.status.
566 sub generate_makefile
568 local ($output, $makefile) = @_;
570 ($am_file_name = $makefile) =~ s/^.*\///;
571 $in_file_name = $am_file_name . '.in';
572 $am_file_name .= '.am';
574 # $OUTPUT is encoded. If it contains a ":" then the first element
575 # is the real output file, and all remaining elements are input
576 # files. We don't scan or otherwise deal with these input file,
577 # other than to mark them as dependencies. See
578 # &scan_autoconf_files for details.
579 local (@secondary_inputs);
580 ($output, @secondary_inputs) = split (/:/, $output);
582 &initialize_per_input;
583 $relative_dir = &dirname ($output);
584 $am_relative_dir = &dirname ($makefile);
586 # At the toplevel directory, we might need config.guess, config.sub
587 # or libtool scripts (ltconfig and ltmain.sh).
588 if ($relative_dir eq '.')
590 # libtool requires some files.
591 &require_conf_file_with_conf_line ($libtool_line, $FOREIGN,
595 # AC_CANONICAL_HOST and AC_CANONICAL_SYSTEM need config.guess and
597 &require_config_file ($FOREIGN, 'config.guess', 'config.sub')
601 # We still need Makefile.in here, because sometimes the `dist'
602 # target doesn't re-run automake.
603 if ($am_relative_dir eq $relative_dir)
605 # Only distribute the files if they are in the same subdir as
606 # the generated makefile.
607 &push_dist_common ($in_file_name, $am_file_name);
610 push (@sources, '$(SOURCES)')
611 if &variable_defined ('SOURCES');
612 push (@objects, '$(OBJECTS)')
613 if &variable_defined ('OBJECTS');
615 &read_main_am_file ($makefile . '.am');
618 # Fatal error. Just return, so we can continue with next file.
622 # Must do this after reading .am file. See read_main_am_file to
623 # understand weird tricks we play there with variables.
624 &define_variable ('subdir', $relative_dir);
626 # Check first, because we might modify some state.
628 &check_gnu_standards;
629 &check_gnits_standards;
631 &handle_configure ($output, $makefile, @secondary_inputs);
638 # This must be run after all the sources are scanned.
641 # Re-init SOURCES and OBJECTS. FIXME: other code shouldn't depend
642 # on this (but currently does).
643 $contents{'SOURCES'} = join (' ', @sources);
644 $contents{'OBJECTS'} = join (' ', @objects);
645 &define_pretty_variable ('DIST_SOURCES', '', @dist_sources);
657 &handle_minor_options;
658 &handle_dependencies;
661 # This must come after most other rules.
662 &handle_dist ($makefile);
665 &handle_merge_targets ($output);
672 if (! -d ($output_directory . '/' . $am_relative_dir))
674 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
677 local ($out_file) = $output_directory . '/' . $makefile . ".in";
678 if (! $force_generation && -e $out_file)
680 local ($am_time) = (stat ($makefile . '.am'))[9];
681 local ($in_time) = (stat ($out_file))[9];
682 # FIXME: should cache these times.
683 local ($conf_time) = (stat ($configure_ac))[9];
684 # FIXME: how to do unsigned comparison?
685 if ($am_time < $in_time || $am_time < $conf_time)
692 local ($acl_time) = (stat _)[9];
693 return if ($am_time < $acl_time);
697 if (! open (GM_FILE, "> " . $out_file))
699 warn "automake: ${am_file}.in: cannot write: $!\n";
703 print "automake: creating ", $makefile, ".in\n" if $verbose;
705 # In case we're running under MSWindows, don't write with CRLF
706 # (as it causes problems for the dependency-file extraction in
707 # AM_OUTPUT_DEPENDENCY_COMMANDS).
710 print GM_FILE $output_vars;
711 # We make sure that `all:' is the first target.
712 print GM_FILE $output_all;
713 print GM_FILE $output_header;
714 print GM_FILE $output_rules;
715 print GM_FILE $output_trailer;
717 if (! close (GM_FILE))
719 warn "automake: $am_file.in: cannot close: $!\n";
725 ################################################################
727 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
730 if (&variable_defined ('AUTOMAKE_OPTIONS'))
732 foreach (&variable_value_as_list ('AUTOMAKE_OPTIONS', ''))
735 if ($_ eq 'gnits' || $_ eq 'gnu' || $_ eq 'foreign')
737 &set_strictness ($_);
739 elsif ($_ eq 'cygnus')
745 # An option like "../lib/ansi2knr" is allowed. With
746 # no path prefix, we assume the required programs are
747 # in this directory. We save the actual option for
749 $options{'ansi2knr'} = $_;
751 elsif ($_ eq 'no-installman' || $_ eq 'no-installinfo'
752 || $_ eq 'dist-shar' || $_ eq 'dist-zip'
753 || $_ eq 'dist-tarZ' || $_ eq 'dist-bzip2'
754 || $_ eq 'dejagnu' || $_ eq 'no-texinfo.tex'
755 || $_ eq 'readme-alpha' || $_ eq 'check-news'
756 || $_ eq 'subdir-objects' || $_ eq 'nostdinc')
758 # Explicitly recognize these.
760 elsif ($_ eq 'no-dependencies')
762 $use_dependencies = 0;
764 elsif (/([0-9]+)\.([0-9]+)([a-z])?/)
766 # Got a version number.
768 local ($rmajor, $rminor, $ralpha) = ($1, $2, $3);
770 if ($VERSION !~ /([0-9]+)\.([0-9]+)([a-z])?/)
773 "automake: programming error: version is incorrect\n";
776 local ($tmajor, $tminor, $talpha) = ($1, $2, $3);
778 # 2.0 is better than 1.0.
779 # 1.2 is better than 1.1.
780 # 1.2a is better than 1.2.
781 if ($rmajor > $tmajor
782 || ($rmajor == $tmajor && $rminor > $tminor)
783 || ($rminor == $tminor && $rminor == $tminor
784 && $ralpha gt $talpha))
786 &am_line_error ('AUTOMAKE_OPTIONS',
787 "require version $_, only have $VERSION");
793 &am_line_error ('AUTOMAKE_OPTIONS',
794 "option \`" . $_ . "\' not recognized");
799 if ($strictness == $GNITS)
801 $options{'readme-alpha'} = 1;
802 $options{'check-news'} = 1;
809 # get_object_extension ($OUT)
810 # ---------------------------
811 # Return object extension. Just once, put some code into the output.
812 # OUT is the name of the output file
813 sub get_object_extension
817 # Maybe require libtool library object files.
818 local ($extension) = '.o';
819 $extension = '.$(OBJEXT)' if $seen_objext;
820 $extension = '.lo' if ($out =~ /\.la$/);
822 if (! $included_generic_compile)
825 local ($default_include) = '';
826 if (! defined $options{'nostdinc'})
828 $default_include = ' -I. -I$(srcdir)';
830 if (&variable_defined ('CONFIG_HEADER'))
833 foreach $one_hdr (split (' ',
834 &variable_value ('CONFIG_HEADER')))
836 $default_include .= ' -I' . &dirname ($one_hdr);
840 local ($xform) = &transform ('DEFAULT_INCLUDES' => $default_include);
841 $output_vars .= &file_contents_with_transform ($xform,
844 $xform = $seen_objext ? 's/^OBJEXT//;' : 's/^OBJEXT.*$//;';
845 $output_rules .= &file_contents_with_transform ($xform, 'compile');
847 &push_phony_cleaners ('compile');
849 # If using X, include some extra variable definitions. NOTE
850 # we don't want to force these into CFLAGS or anything,
851 # because not all programs will necessarily use X.
855 foreach $var ('X_CFLAGS', 'X_LIBS', 'X_EXTRA_LIBS', 'X_PRE_LIBS')
857 &define_configure_variable ($var);
861 push (@suffixes, '.c', '.o');
862 push (@suffixes, '.obj') if $seen_objext;
863 push (@clean, 'compile');
865 $included_generic_compile = 1;
868 if ($seen_libtool && ! $included_libtool_compile)
870 # Output the libtool compilation rules.
871 $output_rules .= &file_contents ('libtool');
873 &push_phony_cleaners ('libtool');
875 push (@suffixes, '.lo');
876 push (@clean, 'libtool');
878 $included_libtool_compile = 1;
881 # Check for automatic de-ANSI-fication.
882 if (defined $options{'ansi2knr'})
884 $extension = '$U' . $extension;
885 if (! $included_knr_compile)
887 if (! $am_c_prototypes)
889 &am_line_error ('AUTOMAKE_OPTIONS',
890 "option \`ansi2knr' in use but \`AM_C_PROTOTYPES' not in \`$configure_ac'");
891 &keyed_aclocal_warning ('AM_C_PROTOTYPES');
892 # Only give this error once.
893 $am_c_prototypes = 1;
896 # Only require ansi2knr files if they should appear in
898 if ($options{'ansi2knr'} eq 'ansi2knr')
900 &require_file_with_line ('AUTOMAKE_OPTIONS', $FOREIGN,
901 'ansi2knr.c', 'ansi2knr.1');
902 $output_rules .= &file_contents ('kr-extra');
903 push (@clean, 'krextra');
904 &push_phony_cleaners ('krextra');
907 # Generate rules to build ansi2knr. If it is in some
908 # other directory, then generate dependencies but have the
909 # rule just run elsewhere.
910 $objext = $seen_objext ? ".\$(OBJEXT)" : ".o";
911 $output_rules .= ($options{'ansi2knr'} . ': '
912 . $options{'ansi2knr'} . $objext . "\n");
913 if ($options{'ansi2knr'} eq 'ansi2knr')
915 $output_rules .= ("\t\$(LINK) ansi2knr" . $objext
917 . "ansi2knr" . $objext
918 . ": \$(CONFIG_HEADER)\n\n");
922 $output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
923 . " && \$(MAKE) \$(AM_MAKEFLAGS) "
925 # This is required for non-GNU makes.
926 $output_rules .= ($options{'ansi2knr'} . $objext . ":\n");
927 $output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
928 . " && \$(MAKE) \$(AM_MAKEFLAGS)"
929 . " ansi2knr" . $objext . "\n\n");
932 # Make sure ansi2knr can be found: if no path specified,
934 if ($options{'ansi2knr'} eq 'ansi2knr')
936 # Substitution from AM_C_PROTOTYPES. This makes it be
937 # built only when necessary.
938 &define_configure_variable ('ANSI2KNR');
939 # ansi2knr needs to be built before subdirs, so unshift it.
940 unshift (@all, '$(ANSI2KNR)');
944 # Found in another directory.
945 &define_variable ("ANSI2KNR", $options{'ansi2knr'});
948 $output_rules .= &file_contents ('clean-kr');
951 &push_phony_cleaners ('kr');
953 $included_knr_compile = 1;
960 # Call finish function for each language that was used.
963 local ($ltcompile, $ltlink) = &libtool_compiler;
965 local ($ext, $name, $lang, %done);
967 foreach $ext (sort keys %extension_seen)
969 $lang = $extension_map{$ext};
971 # Generate the appropriate rules for this extension. If
972 # dependency tracking was requested, and this extension
973 # supports it, then we don't generate the rule here.
976 if ($use_dependencies && $language_map{$lang . '-autodep'} ne 'no')
978 # Don't generate the rule, but still generate the variables.
979 if (defined $language_map{$lang . '-compile'})
981 $comp = $language_map{$lang . '-compile'};
984 elsif (defined $language_map{$lang . '-compile'})
986 $comp = $language_map{$lang . '-compile'};
988 local ($outarg) = $language_map{$lang . '-output-arg'};
989 if ($language_map{$lang . '-flags'} eq 'CFLAGS')
991 # C compilers don't always support -c -o.
992 if (defined $options{'subdir-objects'})
998 local ($full) = ("\t\$("
999 . $language_map{$lang . '-compiler-name'}
1002 $output_rules .= (".$ext.o:\n"
1005 # FIXME: Using cygpath should be somehow conditional.
1006 $output_rules .= (".$ext.obj:\n"
1008 . " \`cygpath -w \$<\`\n")
1010 $output_rules .= (".$ext.lo:\n"
1012 . $language_map{$lang . '-compiler-name'}
1014 . $language_map{$lang . '-output-arg'}
1015 # We can always use -c -o with libtool.
1016 . ($language_map{$lang . '-flags'} eq 'CFLAGS'
1022 push (@suffixes, '.' . $ext);
1024 # The rest of the loop is done once per language.
1025 next if defined $done{$lang};
1028 $non_c = 0 if $lang !~ /(objc|cxx|f77|ratfor)$/;
1032 &define_compiler_variable ($language_map{$lang . '-compiler-name'},
1035 # The compiler's flag must be a configure variable.
1036 if (defined $language_map{$lang . '-flags'})
1038 &define_configure_variable ($language_map{$lang . '-flags'});
1041 # Compute the function name of the finisher and then call it.
1042 $name = 'lang_' . $lang . '_finish';
1046 # If the project is entirely C++ or entirely Fortran 77, don't
1047 # bother with the C stuff. But if anything else creeps in, then use
1049 if ($need_link || ! $non_c || scalar keys %suffix_rules > 0)
1051 if (! defined $done{'c'})
1053 &define_configure_variable ($language_map{'c-flags'});
1054 &define_compiler_variable ($language_map{'c-compiler-name'},
1056 $language_map{'c-compile'});
1058 &define_variable ('CCLD', '$(CC)');
1059 &define_variable ('LINK', $ltlink . '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
1063 # Output a rule to build from a YACC source. The output from YACC is
1064 # compiled with C or C++, depending on the extension of the YACC file.
1065 sub output_yacc_build_rule
1067 local ($yacc_suffix, $use_ylwrap, $c_suffix) = @_;
1070 ($suffix = $yacc_suffix) =~ tr/y/c/;
1071 push (@suffixes, $yacc_suffix, $suffix);
1073 # Generate rule for c/c++.
1074 $output_rules .= "$yacc_suffix$suffix:\n\t";
1078 $output_rules .= ('$(SHELL) $(YLWRAP)'
1079 . ' "$(YACC)" $< y.tab.c $*' . $suffix
1080 . ' y.tab.h $*.h -- $(AM_YFLAGS) $(YFLAGS)');
1084 $output_rules .= ('$(YACC) $(AM_YFLAGS) $(YFLAGS) $< && mv y.tab.c $*'
1086 . "\tif test -f y.tab.h; then \\\n"
1087 . "\tif cmp -s y.tab.h \$*.h; then rm -f y.tab.h; else mv y.tab.h \$*.h; fi; \\\n"
1090 $output_rules .= "\n";
1093 sub output_lex_build_rule
1095 local ($lex_suffix, $use_ylwrap) = @_;
1098 ($c_suffix = $lex_suffix) =~ tr/l/c/;
1099 push (@suffixes, $lex_suffix);
1100 &define_configure_variable ('LEX_OUTPUT_ROOT');
1101 &define_configure_variable ('LEXLIB');
1102 $output_rules .= "$lex_suffix$c_suffix:\n\t";
1106 # Is the $@ correct here? If so, why not use it in the ylwrap
1107 # build rule for yacc above?
1108 $output_rules .= '$(SHELL) $(YLWRAP)'
1109 . ' "$(LEX)" $< $(LEX_OUTPUT_ROOT).c $@ -- $(AM_LFLAGS) $(LFLAGS)';
1113 $output_rules .= '$(LEX) $(AM_LFLAGS) $(LFLAGS) $< && mv $(LEX_OUTPUT_ROOT).c $@';
1115 $output_rules .= "\n";
1119 # Check to make sure a source defined in LIBOBJS is not explicitly
1120 # mentioned. This is a separate function (as opposed to being inlined
1121 # in handle_source_transform) because it isn't always appropriate to
1123 sub check_libobjs_sources
1125 local ($one_file, $unxformed) = @_;
1127 local ($prefix, $file, @files);
1128 foreach $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1129 'dist_EXTRA_', 'nodist_EXTRA_')
1131 if (&variable_defined ($prefix . $one_file . '_SOURCES'))
1133 @files = &variable_value_as_list (($prefix
1134 . $one_file . '_SOURCES'),
1137 elsif ($prefix eq '')
1139 @files = ($unxformed . '.c');
1146 foreach $file (@files)
1148 if (defined $libsources{$file})
1150 &am_line_error ($prefix . $one_file . '_SOURCES',
1151 "automatically discovered file \`$file' should not be explicitly mentioned");
1157 # Does much of the actual work for handle_source_transform.
1159 # name of resulting executable or library ("derived")
1160 # object extension (e.g., `$U.lo')
1161 # list of source files to transform
1163 # first element is name of linker to use (empty string for default linker)
1164 # remaining elements are names of objects
1165 sub handle_single_transform_list
1167 local ($var, $derived, $obj, @files) = @_;
1168 local (@result) = ();
1169 local ($nonansi_obj) = $obj;
1170 $nonansi_obj =~ s/\$U//g;
1171 local (%linkers_used) = ();
1174 # Turn sources into objects.
1177 # Configure substitutions in _SOURCES variables are errors.
1180 &am_line_error ($var, "$var includes configure substitution \`$_'");
1184 # If the source file is in a subdirectory then the `.o' is
1185 # put into the current directory.
1187 # Split file name into base and extension.
1188 local ($full, $directory, $base, $extension, $linker, $object);
1189 next if ! /^((.*)\/)?([^\/]*)\.(.*)$/;
1195 local ($xbase) = $base;
1197 # We must generate a rule for the object if it requires
1200 local ($renamed) = 0;
1202 $extension = &derive_suffix ($extension);
1203 local ($lang) = $extension_map{$extension};
1206 &saw_extension ($extension);
1207 # Found the language, so see what it says.
1208 local ($subr) = 'lang_' . $lang . '_rewrite';
1209 # Note: computed subr call.
1210 local ($r) = & $subr ($directory, $base, $extension);
1211 # Skip this entry if we were asked not to process it.
1212 next if $r == $LANG_IGNORE;
1214 # Now extract linker and other info.
1215 $linker = $language_map{$lang . '-linker'};
1217 local ($this_obj_ext);
1218 if ($language_map{$lang . '-ansi-p'})
1220 $object = $base . $obj;
1221 $this_obj_ext = $obj;
1225 $object = $base . $nonansi_obj;
1226 $this_obj_ext = $nonansi_obj;
1229 if ($language_map{$lang . '-flags'} ne ''
1230 && &variable_defined ($derived . '_'
1231 . $language_map{$lang . '-flags'}))
1233 # We have a per-executable flag in effect for this
1234 # object. In this case we rewrite the object's
1235 # name to ensure it is unique. We also require
1236 # the `compile' program to deal with compilers
1237 # where `-c -o' does not work.
1239 # We choose the name `DERIVED-OBJECT' to ensure
1240 # (1) uniqueness, and (2) continuity between
1241 # invocations. However, this will result in a
1242 # name that is too long for losing systems, in
1243 # some situations. So we provide _SHORTNAME to
1246 local ($dname) = $derived;
1247 if (&variable_defined ($derived . '_SHORTNAME'))
1249 # FIXME: should use the same conditional as
1250 # the _SOURCES variable. But this is really
1251 # silly overkill -- nobody should have
1252 # conditional shortnames.
1253 $dname = &variable_value ($derived . '_SHORTNAME');
1255 $object = $dname . '-' . $object;
1257 &require_file ($FOREIGN, 'compile')
1260 if (! defined $language_map{$lang . '-compile'})
1262 print STDERR "automake: programming error: $lang flags defined without compiler\n";
1265 # Compute the rule to compile this object.
1266 local ($flag) = $language_map{$lang . '-flags'};
1267 local ($val) = "(${derived}_${flag}";
1268 ($rule = $language_map{$lang . '-compile'}) =~
1271 $rule .= ' ' . $language_map{$lang . '-output-arg'};
1272 # For C we have to add the -o, because the
1273 # standard rule doesn't include it.
1274 if ($language_map{$lang . '-flags'} eq 'CFLAGS')
1282 # If rewrite said it was ok, put the object into a
1284 if ($r == $LANG_SUBDIR && $directory ne '')
1286 $object = $directory . '/' . $object;
1287 $xbase = $directory . '/' . $base;
1290 # If doing dependency tracking, then we can't print
1291 # the rule. If we have a subdir object, we need to
1292 # generate an explicit rule. Actually, in any case
1293 # where the object is not in `.' we need a special
1294 # rule. The per-object rules in this case are
1295 # generated later, by add_depend2.
1296 if (($use_dependencies
1298 && $language_map{$lang . '-autodep'} ne 'no')
1299 || $directory ne '')
1302 local ($obj_sans_ext) = substr ($object, 0,
1303 - length ($this_obj_ext));
1304 $lang_specific_files{$lang} .= (' ' . $derived
1306 . ' ' . $obj_sans_ext);
1309 elsif ($extension eq 'o')
1311 # This is probably the result of a direct suffix rule.
1312 # In this case we just accept the rewrite. FIXME:
1313 # this fails if we want libtool objects.
1314 $object = $base . '.' . $extension;
1319 # No error message here. Used to have one, but it was
1324 $linkers_used{$linker} = 1;
1326 push (@result, $object);
1328 if (defined $object_map{$object})
1330 if ($object_map{$object} ne $full)
1332 &am_error ("object \`$object' created by \`$full' and \`$object_map{$object}'");
1337 local (@dep_list) = ();
1338 $object_map{$object} = $full;
1340 # If file is in subdirectory, we need explicit
1342 if ($directory ne '' || $renamed)
1344 push (@dep_list, $full);
1347 # If resulting object is in subdir, we need to make
1348 # sure the subdir exists at build time.
1349 if ($object =~ /\//)
1351 # FIXME: check that $DIRECTORY is somewhere in the
1354 # We don't allow `..' in object file names for
1355 # *any* source, not just Java. For Java it just
1356 # doesn't make sense, but in general it is
1357 # a problem because we can't pick a good name for
1359 if ($object =~ /(\/|^)\.\.\//)
1361 &am_error ("\`$full' contains \`..' component but should not");
1364 push (@dep_list, $directory . '/.dirstamp');
1366 # If we're generating dependencies, we also want
1367 # to make sure that the appropriate subdir of the
1368 # .deps directory is created.
1369 if ($use_dependencies)
1371 push (@dep_list, '.deps/' . $directory . '/.dirstamp');
1374 if (! defined $directory_map{$directory})
1376 $directory_map{$directory} = 1;
1377 $output_rules .= ($directory . "/.dirstamp:\n"
1378 . "\t\@\$(mkinstalldirs) $directory\n"
1379 . "\t\@: > $directory/.dirstamp\n");
1380 if ($use_dependencies)
1382 $output_rules .= ('.deps/' . $directory
1384 . "\t\@\$(mkinstalldirs) .deps/$directory\n"
1385 . "\t\@: > .deps/$directory/.dirstamp\n");
1390 &pretty_print_rule ($object . ':', "\t", @dep_list)
1391 if scalar @dep_list > 0 || $rule ne '';
1393 # Print the rule if we have one.
1396 # Turn `$@' into name of our object file.
1398 ($xform = $object) =~ s,/,\\/,g;
1399 $rule =~ s/\$\@/$xform/;
1401 # We cannot use $< here since this is an explicit
1402 # rule and not all makes handle that.
1403 $rule .= " \`test -f $full || echo '\$(srcdir)/'\`$full";
1405 # FIXME: handle .lo and .obj as well.
1406 $output_rules .= "\t" . $rule . "\n";
1410 # Transform .o or $o file into .P file (for automatic
1413 && ($language_map{$lang . '-autodep'} ne 'no'
1414 || $language_map{$lang . '-derived-autodep'} eq 'yes'))
1416 local ($depfile) = $object;
1417 $depfile =~ s/\.([^.]*)$/.P$1/;
1418 $depfile =~ s/\$\(OBJEXT\)$/o/ if $seen_objext;
1419 $dep_files{'$(DEPDIR)/' . $depfile} = 1;
1424 return (&resolve_linker (%linkers_used), @result);
1427 # Handle SOURCE->OBJECT transform for one program or library.
1429 # canonical (transformed) name of object to build
1430 # actual name of object to build
1431 # object extension (ie either `.o' or `$o'.
1432 # Return result is name of linker variable that must be used.
1433 # Empty return means just use `LINK'.
1434 sub handle_source_transform
1436 # one_file is canonical name. unxformed is given name. obj is
1438 local ($one_file, $unxformed, $obj) = @_;
1440 local ($linker) = '';
1442 if (&variable_defined ($one_file . "_OBJECTS"))
1444 &am_line_error ($one_file . '_OBJECTS',
1445 $one_file . '_OBJECTS', 'should not be defined');
1446 # No point in continuing.
1450 local (@files, @result, $prefix, $temp, $xpfx);
1451 local (%used_pfx) = ();
1452 foreach $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1453 'dist_EXTRA_', 'nodist_EXTRA_')
1455 # We are going to define _OBJECTS variables using the prefix.
1456 # Then we glom them all together. So we can't use the null
1457 # prefix here as we need it later.
1458 $xpfx = ($prefix eq '') ? 'am_' : $prefix;
1461 local ($var) = $prefix . $one_file . "_SOURCES";
1462 if (&variable_defined ($var))
1464 # Keep track of which prefixes we saw.
1465 $used_pfx{$xpfx} = 1
1466 unless $prefix =~ /EXTRA_/;
1468 push (@sources, '$(' . $prefix . $one_file . "_SOURCES)");
1469 push (@objects, '$(' . $xpfx . $one_file . "_OBJECTS)")
1470 unless $prefix =~ /EXTRA_/;
1471 push (@dist_sources, '$(' . $prefix . $one_file . "_SOURCES)")
1472 unless $prefix =~ /^nodist_/;
1473 local (@conds) = &variable_conditions ($var);
1476 @files = &variable_value_as_list ($var, '');
1481 foreach $cond (@conds)
1483 @files = &variable_value_as_list ($var, $cond);
1485 &handle_single_transform_list ($var, $one_file, $obj,
1487 $linker = $temp if $linker eq '';
1489 # Define _OBJECTS conditionally.
1490 &define_pretty_variable ($xpfx . $one_file . '_OBJECTS',
1492 unless $prefix =~ /EXTRA_/;
1499 # Avoid defining needless variables.
1500 next if (scalar @files == 0);
1502 ($temp, @result) = &handle_single_transform_list ($var, $one_file,
1504 $linker = $temp if $linker eq '';
1505 &define_pretty_variable ($xpfx . $one_file . "_OBJECTS", '', @result)
1506 unless $prefix =~ /EXTRA_/;
1509 local (@keys) = sort keys %used_pfx;
1510 if (scalar @keys == 0)
1512 &define_variable ($one_file . "_SOURCES", $unxformed . ".c");
1513 push (@sources, $unxformed . '.c');
1514 push (@dist_sources, $unxformed . '.c');
1515 push (@objects, $unxformed . $obj);
1516 push (@files, $unxformed . '.c');
1518 ($temp, @result) = &handle_single_transform_list ($one_file . '_SOURCES',
1521 $linker = $temp if $linker eq '';
1522 &define_pretty_variable ($one_file . "_OBJECTS", '', @result)
1526 grep ($_ = '$(' . $_ . $one_file . '_OBJECTS)', @keys);
1527 &define_pretty_variable ($one_file . '_OBJECTS', '', @keys);
1530 # If we want to use `LINK' we must make sure it is defined.
1539 # Special-case @ALLOCA@ and @LIBOBJS@ in _LDADD or _LIBADD variables.
1540 # Also, generate _DEPENDENCIES variable if appropriate.
1542 # transformed name of object being built, or empty string if no object
1543 # name of _LDADD/_LIBADD-type variable to examine
1544 # boolean (lex_seen) which is true if a lex source file was seen in this
1545 # object. valid only for LDADDs, not LIBADDs.
1546 # Returns 1 if LIBOBJS seen, 0 otherwise.
1547 sub handle_lib_objects
1549 local ($xname, $var, $lex_seen) = @_;
1552 die "automake: programming error 1 in handle_lib_objects\n"
1553 if ! &variable_defined ($var);
1555 die "automake: programming error 2 in handle_lib_objects\n"
1556 if $lex_seen && $var =~ /LIBADD/;
1558 local (@conds) = &variable_conditions ($var);
1561 $ret = &handle_lib_objects_cond ($xname, $var, $lex_seen, '');
1567 foreach $cond (@conds)
1569 if (&handle_lib_objects_cond ($xname, $var, $lex_seen, $cond))
1579 # Subroutine of handle_lib_objects: handle a particular condition.
1580 sub handle_lib_objects_cond
1582 local ($xname, $var, $lex_seen, $cond) = @_;
1584 # We recognize certain things that are commonly put in LIBADD or
1587 local (@dep_list) = ();
1589 local ($seen_libobjs) = 0;
1590 local ($flagvar) = 0;
1592 foreach $lsearch (&variable_value_as_list ($var, $cond))
1594 # Skip -lfoo and -Ldir; these are explicitly allowed.
1595 next if $lsearch =~ /^-[lL]/;
1596 if (! $flagvar && $lsearch =~ /^-/)
1598 if ($var =~ /^(.*)LDADD$/)
1600 # Skip -dlopen and -dlpreopen; these are explicitly allowed.
1601 next if $lsearch =~ /^-dl(pre)?open$/;
1602 &am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
1606 # Only get this error once.
1608 &am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
1612 # Assume we have a file of some sort, and push it onto the
1613 # dependency list. Autoconf substitutions are not pushed;
1614 # rarely is a new dependency substituted into (eg) foo_LDADD
1615 # -- but "bad things (eg -lX11) are routinely substituted.
1616 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
1617 # and handled specially below.
1618 push (@dep_list, $lsearch)
1619 unless $lsearch =~ /^\@.*\@$/;
1621 # Automatically handle @LIBOBJS@ and @ALLOCA@. Basically this
1622 # means adding entries to dep_files.
1623 if ($lsearch =~ /^\@(LT)?LIBOBJS\@$/)
1625 local ($myobjext) = ($1 ? 'l' : '') . 'o';
1627 push (@dep_list, $lsearch);
1629 if (! keys %libsources
1630 && ! &variable_defined ($1 . 'LIBOBJS'))
1632 &am_line_error ($var, "\@$1" . "LIBOBJS\@ seen but never set in \`$configure_ac'");
1635 local ($iter, $rewrite);
1636 foreach $iter (keys %libsources)
1638 if ($iter =~ /\.([cly])$/)
1640 &saw_extension ($1);
1641 &saw_extension ('c');
1644 if ($iter =~ /\.h$/)
1646 &require_file_with_line ($var, $FOREIGN, $iter);
1648 elsif ($iter ne 'alloca.c')
1650 ($rewrite = $iter) =~ s/\.c$/.P$myobjext/;
1651 $dep_files{'$(DEPDIR)/' . $rewrite} = 1;
1652 ($rewrite = $iter) =~ s/(\W)/\\$1/g;
1653 $rewrite = "^" . $rewrite . "\$";
1654 # Only require the file if it is not a built source.
1655 if (! &variable_defined ('BUILT_SOURCES')
1656 || ! grep (/$rewrite/,
1657 &variable_value_as_list ('BUILT_SOURCES',
1660 &require_file_with_line ($var, $FOREIGN, $iter);
1665 elsif ($lsearch =~ /^\@(LT)?ALLOCA\@$/)
1667 local ($myobjext) = ($1 ? 'l' : '') . 'o';
1669 push (@dep_list, $lsearch);
1670 &am_line_error ($var,
1671 "\@$1" . "ALLOCA\@ seen but \`AC_FUNC_ALLOCA' not in \`$configure_ac'")
1672 if ! defined $libsources{'alloca.c'};
1673 $dep_files{'$(DEPDIR)/alloca.P' . $myobjext} = 1;
1674 &require_file_with_line ($var, $FOREIGN, 'alloca.c');
1675 &saw_extension ('c');
1679 if ($xname ne '' && ! &variable_defined ($xname . '_DEPENDENCIES', $cond))
1681 &define_pretty_variable ($xname . '_DEPENDENCIES', $cond, @dep_list);
1684 return $seen_libobjs;
1687 # Canonicalize a name, and check to make sure the non-canonical name
1688 # is never used. Returns canonical name. Arguments are name and a
1689 # list of suffixes to check for.
1690 sub check_canonical_spelling
1692 local ($name, @suffixes) = @_;
1693 local ($xname, $xt);
1695 ($xname = $name) =~ tr/A-Za-z0-9_/_/c;
1696 if ($xname ne $name)
1699 foreach $xt (@suffixes)
1701 &am_line_error ($name . $xt,
1702 "invalid variable \`" . $name . $xt
1703 . "'; should be \`" . $xname . $xt . "'")
1704 if &variable_defined ($name . $xt);
1712 # handle_programs ()
1713 # ------------------
1714 # Handle C programs.
1717 local (@proglist) = &am_install_var ('-clean',
1718 'progs', 'PROGRAMS',
1719 'bin', 'sbin', 'libexec', 'pkglib',
1721 return if ! @proglist;
1723 # If a program is installed, this is required. We only want this
1724 # error to appear once.
1725 &am_conf_error ("AC_ARG_PROGRAM must be used")
1726 unless $seen_arg_prog;
1729 local ($one_file, $xname, $munge);
1731 local ($seen_libobjs) = 0;
1732 foreach $one_file (@proglist)
1734 local ($obj) = &get_object_extension ($one_file);
1736 # Canonicalize names and check for misspellings.
1737 $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
1738 '_SOURCES', '_OBJECTS',
1741 # FIXME: Using a trick to figure out if any lex sources appear
1742 # in our program; should use some cleaner method.
1743 local ($lex_num) = scalar (keys %lex_sources);
1744 local ($linker) = &handle_source_transform ($xname, $one_file, $obj);
1745 local ($lex_file_seen) = (scalar (keys %lex_sources) > $lex_num);
1748 if (&variable_defined ($xname . "_LDADD"))
1750 if (&handle_lib_objects ($xname, $xname . '_LDADD',
1760 # User didn't define prog_LDADD override. So do it.
1761 &define_variable ($xname . '_LDADD', '$(LDADD)');
1763 # This does a bit too much work. But we need it to
1764 # generate _DEPENDENCIES when appropriate.
1765 if (&variable_defined ('LDADD'))
1767 if (&handle_lib_objects ($xname, 'LDADD', $lex_file_seen))
1773 elsif (! &variable_defined ($xname . '_DEPENDENCIES'))
1775 &define_variable ($xname . '_DEPENDENCIES', '');
1780 if (&variable_defined ($xname . '_LIBADD'))
1782 &am_line_error ($xname . '_LIBADD',
1783 "use \`" . $xname . "_LDADD', not \`"
1784 . $xname . "_LIBADD'");
1787 if (! &variable_defined ($xname . '_LDFLAGS'))
1789 # Define the prog_LDFLAGS variable.
1790 &define_variable ($xname . '_LDFLAGS', '');
1793 # Determine program to use for link.
1795 if (&variable_defined ($xname . '_LINK'))
1797 $xlink = $xname . '_LINK';
1801 $xlink = $linker ? $linker : 'LINK';
1804 local ($exeext) = '';
1805 if ($seen_exeext && $one_file !~ /\./)
1807 $exeext = '$(EXEEXT)';
1811 &file_contents_with_transform
1812 (&transform ('EXEEXT' => $exeext,
1813 'PROGRAM' => $one_file,
1814 'XPROGRAM' => $xname,
1819 if (&variable_defined ('LDADD') && &handle_lib_objects ('', 'LDADD', 0))
1826 foreach $one_file (@proglist)
1828 # Canonicalize names.
1829 ($xname = $one_file) =~ tr/A-Za-z0-9_/_/c;
1831 if (&variable_defined ($xname . '_LDADD'))
1833 &check_libobjs_sources ($xname, $xname . '_LDADD');
1835 elsif (&variable_defined ('LDADD'))
1837 &check_libobjs_sources ($xname, 'LDADD');
1845 sub handle_libraries
1847 local (@liblist) = &am_install_var ('-clean',
1848 'libs', 'LIBRARIES',
1849 'lib', 'pkglib', 'noinst', 'check');
1850 return if ! @liblist;
1852 local (%valid) = &am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
1854 if (! defined $configure_vars{'RANLIB'})
1857 foreach $key (keys %valid)
1859 if (&variable_defined ($key . '_LIBRARIES'))
1861 &am_line_error ($key . '_LIBRARIES', "library used but \`RANLIB' not defined in \`$configure_ac'");
1862 # Only get this error once. If this is ever printed,
1864 $configure_vars{'RANLIB'} = 'BUG';
1873 local ($seen_libobjs) = 0;
1874 foreach $onelib (@liblist)
1876 # Check that the library fits the standard naming convention.
1877 if ($onelib !~ /^lib.*\.a$/)
1879 # FIXME should put line number here. That means mapping
1880 # from library name back to variable name.
1881 &am_error ("\`$onelib' is not a standard library name");
1884 local ($obj) = &get_object_extension ($onelib);
1886 # Canonicalize names and check for misspellings.
1887 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
1888 '_OBJECTS', '_DEPENDENCIES', '_AR');
1890 if (! &variable_defined ($xlib . '_AR'))
1892 &define_variable ($xlib . '_AR', '$(AR) cru');
1895 if (&variable_defined ($xlib . '_LIBADD'))
1897 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
1904 # Generate support for conditional object inclusion in
1906 &define_variable ($xlib . "_LIBADD", '');
1909 if (&variable_defined ($xlib . '_LDADD'))
1911 &am_line_error ($xlib . '_LDADD',
1912 "use \`" . $xlib . "_LIBADD', not \`"
1913 . $xlib . "_LDADD'");
1916 # Make sure we at look at this.
1917 &examine_variable ($xlib . '_DEPENDENCIES');
1919 &handle_source_transform ($xlib, $onelib, $obj);
1922 &file_contents_with_transform ('s/\@LIBRARY\@/' . $onelib . '/go;'
1930 foreach $onelib (@liblist)
1932 # Canonicalize names.
1933 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
1934 if (&variable_defined ($xlib . '_LIBADD'))
1936 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
1941 &define_variable ('AR', 'ar');
1942 &define_configure_variable ('RANLIB');
1945 # Handle shared libraries.
1946 sub handle_ltlibraries
1948 local (@liblist) = &am_install_var ('-clean',
1949 'ltlib', 'LTLIBRARIES',
1950 'noinst', 'lib', 'pkglib', 'check');
1951 return if ! @liblist;
1954 local (%valid) = &am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
1958 foreach $key (keys %valid)
1960 if (&variable_defined ($key . '_LTLIBRARIES'))
1964 &am_line_error ($key . '_LTLIBRARIES', "library used but \`LIBTOOL' not defined in \`$configure_ac'");
1965 # Only get this error once. If this is ever printed,
1967 $configure_vars{'LIBTOOL'} = 'BUG';
1971 # Get the installation directory of each library.
1972 for (&variable_value_as_list ($key . '_LTLIBRARIES', 'all'))
1976 &am_error ("\`$_' is already going to be installed in \`$instdirs{$_}'");
1980 $instdirs{$_} = $key;
1989 local ($seen_libobjs) = 0;
1990 foreach $onelib (@liblist)
1992 local ($obj) = &get_object_extension ($onelib);
1994 # Canonicalize names and check for misspellings.
1995 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
1996 '_SOURCES', '_OBJECTS',
1999 if (! &variable_defined ($xlib . '_LDFLAGS'))
2001 # Define the lib_LDFLAGS variable.
2002 &define_variable ($xlib . '_LDFLAGS', '');
2005 # Check that the library fits the standard naming convention.
2006 $libname_rx = "^lib.*\.la";
2007 if ((&variable_defined ($xlib . '_LDFLAGS')
2008 && grep (/-module/, &variable_value_as_list ($xlib . '_LDFLAGS',
2010 || (&variable_defined ('LDFLAGS')
2011 && grep (/-module/, &variable_value_as_list ('LDFLAGS',
2014 # Relax name checking for libtool modules.
2015 $libname_rx = "\.la";
2017 if ($onelib !~ /$libname_rx$/)
2019 # FIXME this should only be a warning for foreign packages
2020 # FIXME should put line number here. That means mapping
2021 # from library name back to variable name.
2022 &am_error ("\`$onelib' is not a standard libtool library name");
2025 if (&variable_defined ($xlib . '_LIBADD'))
2027 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
2034 # Generate support for conditional object inclusion in
2036 &define_variable ($xlib . "_LIBADD", '');
2039 if (&variable_defined ($xlib . '_LDADD'))
2041 &am_line_error ($xlib . '_LDADD',
2042 "use \`" . $xlib . "_LIBADD', not \`"
2043 . $xlib . "_LDADD'");
2046 # Make sure we at look at this.
2047 &examine_variable ($xlib . '_DEPENDENCIES');
2049 local ($linker) = &handle_source_transform ($xlib, $onelib, $obj);
2051 # Determine program to use for link.
2053 if (&variable_defined ($xlib . '_LINK'))
2055 $xlink = $xlib . '_LINK';
2059 $xlink = $linker ? $linker : 'LINK';
2063 if ($instdirs{$onelib} eq 'EXTRA'
2064 || $instdirs{$onelib} eq 'noinst'
2065 || $instdirs{$onelib} eq 'check')
2067 # It's an EXTRA_ library, so we can't specify -rpath,
2068 # because we don't know where the library will end up.
2069 # The user probably knows, but generally speaking automake
2070 # doesn't -- and in fact configure could decide
2071 # dynamically between two different locations.
2072 $rpath = 's/\@RPATH\@//go;';
2076 $rpath = ('s/\@RPATH\@/-rpath \$(' . $instdirs{$onelib}
2081 &file_contents_with_transform ('s/\@LTLIBRARY\@/'
2083 . 's/\@XLTLIBRARY\@/'
2086 . 's/\@XLINK\@/' . $xlink . '/go;',
2092 foreach $onelib (@liblist)
2094 # Canonicalize names.
2095 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
2096 if (&variable_defined ($xlib . '_LIBADD'))
2098 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2104 # See if any _SOURCES variable were misspelled. Also, make sure that
2105 # EXTRA_ variables don't contain configure substitutions.
2108 local ($varname, $primary);
2109 foreach $varname (keys %contents)
2111 foreach $primary ('_SOURCES', '_LIBADD', '_LDADD', '_LDFLAGS',
2114 if ($varname =~ /$primary$/ && ! $content_seen{$varname})
2116 &am_line_error ($varname,
2117 "invalid unused variable name: \`$varname'");
2126 # NOTE we no longer automatically clean SCRIPTS, because it is
2127 # useful to sometimes distribute scripts verbatim. This happens
2128 # eg in Automake itself.
2129 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2130 'bin', 'sbin', 'libexec', 'pkgdata',
2133 local ($scripts_installed) = 0;
2134 # Set $scripts_installed if appropriate. Make sure we only find
2135 # scripts which are actually installed -- this is why we can't
2136 # simply use the return value of am_install_var.
2137 local (%valid) = &am_primary_prefixes ('SCRIPTS', 1, 'bin', 'sbin',
2138 'libexec', 'pkgdata',
2141 foreach $key (keys %valid)
2143 if ($key ne 'noinst'
2145 && &variable_defined ($key . '_SCRIPTS'))
2147 $scripts_installed = 1;
2148 # push (@check_tests, 'check-' . $key . 'SCRIPTS');
2152 if ($scripts_installed)
2154 # If a program is installed, this is required. We only want this
2155 # error to appear once.
2156 &am_conf_error ("AC_ARG_PROGRAM must be used")
2157 unless $seen_arg_prog;
2162 # Search a file for a "version.texi" Texinfo include. Return the name
2163 # of the include file if found, or the empty string if not. A
2164 # "version.texi" file is actually any file whose name matches
2166 sub scan_texinfo_file
2168 local ($filename) = @_;
2170 if (! open (TEXI, $filename))
2172 &am_error ("couldn't open \`$filename': $!");
2175 print "automake: reading $filename\n" if $verbose;
2177 local ($vfile, $outfile);
2180 if (/^\@setfilename +(\S+)/)
2186 if (/^\@include\s+(vers[^.]*\.texi)\s*$/)
2188 # Found version.texi include.
2195 return ($outfile, $vfile);
2198 # Handle all Texinfo source.
2201 &am_line_error ('TEXINFOS',
2202 "\`TEXINFOS' is an anachronism; use \`info_TEXINFOS'")
2203 if &variable_defined ('TEXINFOS');
2204 return if (! &variable_defined ('info_TEXINFOS')
2205 && ! &variable_defined ('html_TEXINFOS'));
2207 if (&variable_defined ('html_TEXINFOS'))
2209 &am_line_error ('html_TEXINFOS',
2210 "HTML generation not yet supported");
2214 local (@texis) = &variable_value_as_list ('info_TEXINFOS', 'all');
2216 local (@info_deps_list, @dvis_list, @texi_deps);
2217 local ($infobase, $info_cursor);
2221 local ($tc_cursor, @texi_cleans);
2224 foreach $info_cursor (@texis)
2226 # FIXME: This is mildly hacky, since it recognizes "txinfo".
2227 # I don't feel like making it right.
2228 ($infobase = $info_cursor) =~ s/\.te?xi(nfo)?$//;
2230 # If 'version.texi' is referenced by input file, then include
2231 # automatic versioning capability.
2232 local ($out_file, $vtexi) = &scan_texinfo_file ($relative_dir
2233 . "/" . $info_cursor);
2235 if ($out_file eq '')
2237 &am_error ("\`$info_cursor' missing \@setfilename");
2241 if ($out_file =~ /\.(.+)$/ && $1 ne 'info')
2243 # FIXME should report line number in input file.
2244 &am_error ("output of \`$info_cursor', \`$out_file', has unrecognized extension");
2250 &am_error ("\`$vtexi', included in \`$info_cursor', also included in \`$versions{$vtexi}'")
2251 if (defined $versions{$vtexi});
2252 $versions{$vtexi} = $info_cursor;
2254 # We number the stamp-vti files. This is doable since the
2255 # actual names don't matter much. We only number starting
2256 # with the second one, so that the common case looks nice.
2257 $vti = ($done ? $done : 'vti');
2260 &push_dist_common ($vtexi, 'stamp-' . $vti);
2261 push (@clean, $vti);
2263 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
2267 if ($config_aux_dir eq '.' || $config_aux_dir eq '')
2269 $conf_dir = '$(srcdir)/';
2273 $conf_dir = $config_aux_dir;
2274 $conf_dir .= '/' unless $conf_dir =~ /\/$/;
2277 &file_contents_with_transform
2278 (&transform ('TEXI' => $info_cursor,
2281 'MDDIR' => $conf_dir,
2282 'CONFIGURE_AC' => $configure_ac),
2285 &push_phony_cleaners ($vti);
2288 # If user specified file_TEXINFOS, then use that as explicit
2291 push (@texi_deps, $info_cursor);
2292 # Prefix with $(srcdir) because some version of make won't
2293 # work if the target has it and the dependency doesn't.
2294 push (@texi_deps, '$(srcdir)/' . $vtexi) if $vtexi;
2296 # Canonicalize name first.
2297 ($canonical = $infobase) =~ tr/A-Za-z0-9_/_/c;
2298 if (&variable_defined ($canonical . "_TEXINFOS"))
2300 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
2301 &push_dist_common ('$(' . $canonical . '_TEXINFOS)');
2304 $output_rules .= ("\n" . $out_file . ": "
2305 . join (' ', @texi_deps)
2306 . "\n" . $infobase . ".dvi: "
2307 . join (' ', @texi_deps)
2310 push (@info_deps_list, $out_file);
2311 push (@dvis_list, $infobase . '.dvi');
2313 # Generate list of things to clean for this target. We do
2314 # this explicitly because otherwise too many things could be
2315 # removed. In particular the ".log" extension might
2316 # reasonably be used in other contexts by the user.
2317 # FIXME: this is really out of control.
2318 foreach $tc_cursor ('aux', 'cp', 'cps', 'dvi', 'fn', 'fns', 'pgs',
2319 'ky', 'kys', 'ps', 'log', 'pg', 'toc', 'tp', 'tps',
2320 'vr', 'vrs', 'op', 'tr', 'cv', 'cn', 'cm', 'ov')
2322 push (@texi_cleans, $infobase . '.' . $tc_cursor);
2326 # Find these programs wherever they may lie. Yes, this has
2327 # intimate knowledge of the structure of the texinfo distribution.
2328 &define_program_variable ('MAKEINFO', 'build', 'texinfo/makeinfo',
2330 # Circumlocution to avoid accidental
2331 # configure substitution.
2333 &define_program_variable ('TEXI2DVI', 'src', 'texinfo/util',
2336 # Set transform for including texinfos.am. First, handle --cygnus
2341 $xform = 's/^NOTCYGNUS.*$//; s/^CYGNUS//;';
2345 $xform = 's/^CYGNUS.*$//; s/^NOTCYGNUS//;';
2348 # Handle location of texinfo.tex.
2349 local ($need_texi_file) = 0;
2350 local ($texinfo_tex);
2353 $texinfo_tex = '$(top_srcdir)/../texinfo/texinfo.tex';
2354 &define_variable ('TEXINFO_TEX', $texinfo_tex);
2357 elsif ($config_aux_dir ne '.' && $config_aux_dir ne '')
2359 $texinfo_tex = $config_aux_dir . '/texinfo.tex';
2360 &define_variable ('TEXINFO_TEX', $texinfo_tex);
2361 $need_texi_file = 2; # so that we require_conf_file later
2363 elsif (&variable_defined ('TEXINFO_TEX'))
2365 # The user defined TEXINFO_TEX so assume he knows what he is
2367 $texinfo_tex = ('$(srcdir)/'
2368 . &dirname (&variable_value ('TEXINFO_TEX')));
2372 $texinfo_tex = '$(srcdir)/texinfo.tex';
2373 $need_texi_file = 1;
2376 ($xxform = $texinfo_tex) =~ s/\/texinfo\.tex$//;
2377 $xxform =~ s/(\W)/\\$1/g;
2378 $xform .= ' s/\@TEXINFODIR\@/' . $xxform . '/g;';
2380 $output_rules .= &file_contents_with_transform ($xform, 'texinfos');
2381 push (@phony, 'install-info-am', 'uninstall-info');
2382 push (@dist_targets, 'dist-info');
2384 # How to clean. The funny name is due to --cygnus influence; in
2385 # Cygnus mode, `clean-info' is a target that users can use.
2386 $output_rules .= "\nmostlyclean-aminfo:\n";
2387 &pretty_print_rule ("\t-rm -f", "\t ", @texi_cleans);
2388 $output_rules .= ("\nclean-aminfo:\n\ndistclean-aminfo:\n\n"
2389 . "maintainer-clean-aminfo:\n\t"
2390 # Eww. But how else can we find all the output
2391 # files from makeinfo?
2392 . ($cygnus_mode ? '' : 'cd $(srcdir) && ')
2393 . 'for i in $(INFO_DEPS); do' . " \\\n"
2394 . "\t" . ' rm -f $$i;' . " \\\n"
2395 . "\t" . ' if test "`echo $$i-[0-9]*`" != "$$i-[0-9]*"; then' . " \\\n"
2396 . "\t" . ' rm -f $$i-[0-9]*;' . " \\\n"
2397 . "\t" . ' fi;' . " \\\n"
2399 &push_phony_cleaners ('aminfo');
2402 $output_rules .= "clean-info: mostlyclean-aminfo\n";
2405 push (@suffixes, '.texi', '.texinfo', '.txi', '.info', '.dvi', '.ps');
2407 if (! defined $options{'no-installinfo'})
2409 push (@uninstall, 'uninstall-info');
2410 push (@installdirs, '$(DESTDIR)$(infodir)');
2411 unshift (@install_data, 'install-info-am');
2413 # Make sure documentation is made and installed first. Use
2414 # $(INFO_DEPS), not 'info', because otherwise recursive makes
2415 # get run twice during "make all".
2416 unshift (@all, '$(INFO_DEPS)');
2418 push (@clean, 'aminfo');
2419 push (@info, '$(INFO_DEPS)');
2420 push (@dvi, '$(DVIS)');
2422 &define_variable ("INFO_DEPS", join (' ', @info_deps_list));
2423 &define_variable ("DVIS", join (' ', @dvis_list));
2424 # This next isn't strictly needed now -- the places that look here
2425 # could easily be changed to look in info_TEXINFOS. But this is
2426 # probably better, in case noinst_TEXINFOS is ever supported.
2427 &define_variable ("TEXINFOS", &variable_value ('info_TEXINFOS'));
2429 # Do some error checking. Note that this file is not required
2430 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
2432 if ($need_texi_file && ! defined $options{'no-texinfo.tex'})
2434 if ($need_texi_file > 1)
2436 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
2441 &require_file_with_line ('info_TEXINFOS', $FOREIGN, 'texinfo.tex');
2446 # Handle any man pages.
2447 sub handle_man_pages
2449 &am_line_error ('MANS', "\`MANS' is an anachronism; use \`man_MANS'")
2450 if &variable_defined ('MANS');
2452 # Find all the sections in use. We do this by first looking for
2453 # "standard" sections, and then looking for any additional
2454 # sections used in man_MANS.
2455 local ($sect, %sections, %vlist);
2457 # Add more sections as needed.
2458 foreach $sect ('0'..'9', 'n', 'l')
2460 if (&variable_defined ('man' . $sect . '_MANS'))
2462 $sections{$sect} = 1;
2463 $vlist{'$(man' . $sect . '_MANS)'} = 1;
2468 if (&variable_defined ('man_MANS'))
2470 $vlist{'$(man_MANS)'} = 1;
2471 foreach (&variable_value_as_list ('man_MANS', 'all'))
2473 # A page like `foo.1c' goes into man1dir.
2474 if (/\.([0-9a-z])([a-z]*)$/)
2482 return unless $found;
2484 # Now for each section, generate an install and unintall rule.
2485 # Sort sections so output is deterministic.
2487 foreach $sect (sort keys %sections)
2489 &define_variable ('man' . $sect . 'dir', '$(mandir)/man' . $sect);
2490 push (@installdirs, '$(DESTDIR)$(mandir)/man' . $sect)
2491 unless defined $options{'no-installman'};
2492 $output_rules .= &file_contents_with_transform ('s/\@SECTION\@/'
2495 push (@phony, 'install-man' . $sect, 'uninstall-man' . $sect);
2496 push (@namelist, 'install-man' . $sect);
2499 # We don't really need this, but we use it in case we ever want to
2500 # support noinst_MANS.
2501 &define_variable ("MANS", join (' ', sort keys %vlist));
2503 # Generate list of install dirs.
2504 $output_rules .= ("install-man: \$(MANS)\n"
2505 . "\t\@\$(NORMAL_INSTALL)\n");
2506 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
2507 push (@phony, 'install-man');
2509 $output_rules .= "uninstall-man:\n\t\@\$(NORMAL_UNINSTALL)\n";
2510 grep ($_ = 'un' . $_, @namelist);
2511 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
2512 push (@phony, 'uninstall-man');
2514 $output_vars .= &file_contents ('mans-vars');
2516 if (! defined $options{'no-installman'})
2518 push (@install_data, 'install-man');
2519 push (@uninstall, 'uninstall-man');
2520 push (@all, '$(MANS)');
2524 # Handle DATA variables.
2527 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
2528 'data', 'sysconf', 'sharedstate', 'localstate',
2529 'pkgdata', 'noinst', 'check');
2535 push (@phony, 'tags');
2536 local (@tag_deps) = ();
2537 if (&variable_defined ('SUBDIRS'))
2539 $output_rules .= ("tags-recursive:\n"
2540 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
2541 # Never fail here if a subdir fails; it
2543 . "\t test \"\$\$subdir\" = . || (cd \$\$subdir"
2544 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
2546 push (@tag_deps, 'tags-recursive');
2547 push (@phony, 'tags-recursive');
2550 if (&saw_sources_p (1)
2551 || &variable_defined ('ETAGS_ARGS')
2554 local ($xform) = '';
2556 foreach $one_hdr (@config_headers)
2558 if ($relative_dir eq &dirname ($one_hdr))
2560 # The config header is in this directory. So require it.
2562 ($var = &basename ($one_hdr)) =~ s/(\W)/\\$1/g;
2563 $xform .= ' ' if $xform;
2567 $xform = ('s/\@CONFIG\@/' . $xform . '/;'
2568 . 's/\@DIRS\@/' . join (' ', @tag_deps) . '/;');
2570 if (&variable_defined ('SUBDIRS'))
2572 $xform .= 's/^SUBDIRS//;';
2576 $xform .= 's/^SUBDIRS.*$//;';
2579 $output_rules .= &file_contents_with_transform ($xform, 'tags');
2580 $output_rules .= &file_contents ('tags-clean');
2581 push (@clean, 'tags');
2582 &push_phony_cleaners ('tags');
2583 &examine_variable ('TAGS_DEPENDENCIES');
2585 elsif (&variable_defined ('TAGS_DEPENDENCIES'))
2587 &am_line_error ('TAGS_DEPENDENCIES',
2588 "doesn't make sense to define \`TAGS_DEPENDENCIES' without sources or \`ETAGS_ARGS'");
2592 # Every Makefile must define some sort of TAGS rule.
2593 # Otherwise, it would be possible for a top-level "make TAGS"
2594 # to fail because some subdirectory failed.
2595 $output_rules .= "tags: TAGS\nTAGS:\n\n";
2599 # Handle multilib support.
2602 return unless $seen_multilib;
2604 $output_rules .= &file_contents ('multilib');
2605 &push_phony_cleaners ('multi');
2606 push (@phony, 'all-multi', 'install-multi');
2609 # Worker for handle_dist.
2610 sub handle_dist_worker
2612 local ($makefile) = @_;
2614 $output_rules .= 'distdir: $(DISTFILES)' . "\n";
2616 # Initialization; only at top level.
2617 if ($relative_dir eq '.')
2619 if (defined $options{'check-news'})
2621 # For Gnits users, this is pretty handy. Look at 15 lines
2622 # in case some explanatory text is desirable.
2623 $output_rules .= ' @if sed 15q $(srcdir)/NEWS | fgrep -e "$(VERSION)" > /dev/null; then :; else \\
2624 echo "NEWS not updated; not releasing" 1>&2; \\
2631 # Create dist directory.
2632 $output_rules .= ("\t-chmod -R a+w \$(distdir) > /dev/null 2>&1; rm -rf \$(distdir)\n"
2633 . "\tmkdir \$(distdir)\n");
2636 # Scan EXTRA_DIST to see if we need to distribute anything from a
2637 # subdir. If so, add it to the list. I didn't want to do this
2638 # originally, but there were so many requests that I finally
2641 if (&variable_defined ('EXTRA_DIST'))
2643 # FIXME: This should be fixed to work with conditionals. That
2644 # will require only making the entries in @dist_dirs under the
2645 # appropriate condition. This is meaningful if the nature of
2646 # the distribution should depend upon the configure options
2648 foreach (&variable_value_as_list ('EXTRA_DIST', ''))
2651 next unless s,/+[^/]+$,,;
2652 push (@dist_dirs, $_)
2657 # We have to check DIST_COMMON for extra directories in case the
2658 # user put a source used in AC_OUTPUT into a subdir.
2659 foreach (&variable_value_as_list ('DIST_COMMON', 'all'))
2662 next unless s,/+[^/]+$,,;
2663 push (@dist_dirs, $_)
2669 # Prepend $(distdir) to each directory given. Doing it via a
2670 # hash lets us ensure that each directory is used only once.
2672 grep ($dhash{'$(distdir)/' . $_} = 1, @dist_dirs);
2673 $output_rules .= "\t";
2674 &pretty_print_rule ('$(mkinstalldirs)', "\t ", sort keys %dhash);
2677 # In loop, test for file existence because sometimes a file gets
2678 # included in DISTFILES twice. For example this happens when a
2679 # single source file is used in building more than one program.
2680 # Also, there are situations in which "ln" can fail. For instance
2681 # a file to distribute could actually be a cross-filesystem
2682 # symlink -- this can easily happen if "gettextize" was run on the
2684 $output_rules .= "\t\@for file in \$(DISTFILES); do \\\n";
2687 $output_rules .= "\t if test -f \$\$file; then d=.; else d=\$(srcdir); fi; \\\n";
2691 $output_rules .= "\t d=\$(srcdir); \\\n";
2693 $output_rules .= ("\t if test -d \$\$d/\$\$file; then \\\n"
2694 # Don't mention $$file in destination argument,
2695 # since this fails if destination directory
2696 # already exists. Also, use `-R' and not `-r'.
2697 # `-r' is almost always incorrect.
2698 . "\t cp -pR \$\$d/\$\$file \$(distdir) \\\n"
2699 . "\t || exit 1; \\\n"
2701 . "\t test -f \$(distdir)/\$\$file \\\n"
2702 . "\t || cp -p \$\$d/\$\$file \$(distdir)/\$\$file \\\n"
2703 . "\t || exit 1; \\\n"
2707 # If we have SUBDIRS, create all dist subdirectories and do
2709 if (&variable_defined ('SUBDIRS'))
2711 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
2712 # to all possible directories, and use it. If DIST_SUBDIRS is
2713 # defined, just use it.
2714 local ($dist_subdir_name);
2715 if (&variable_conditions ('SUBDIRS')
2716 || &variable_defined ('DIST_SUBDIRS'))
2718 $dist_subdir_name = 'DIST_SUBDIRS';
2719 if (! &variable_defined ('DIST_SUBDIRS'))
2721 local (@full_list) = &variable_value_as_list ('SUBDIRS',
2723 local (@ds_list, %uniq, $iter);
2724 foreach $iter (@full_list)
2726 if (! defined $uniq{$iter})
2729 push (@ds_list, $iter);
2732 &define_pretty_variable ('DIST_SUBDIRS', '', @ds_list);
2737 $dist_subdir_name = 'SUBDIRS';
2738 # We always define this because that is what `distclean'
2740 &define_pretty_variable ('DIST_SUBDIRS', '', '$(SUBDIRS)');
2743 # Test for directory existence here because previous automake
2744 # invocation might have created some directories. Note that
2745 # we explicitly set distdir for the subdir make; that lets us
2746 # mix-n-match many automake-using packages into one large
2747 # package, and have "dist" at the top level do the right
2748 # thing. If we're in the topmost directory, then we use
2749 # `distdir' instead of `top_distdir'; this lets us work
2750 # correctly with an enclosing package.
2752 ("\t" . 'for subdir in $(' . $dist_subdir_name . '); do ' . "\\\n"
2753 . "\t" . ' if test "$$subdir" = .; then :; else ' . "\\\n"
2754 . "\t" . ' test -d $(distdir)/$$subdir ' . "\\\n"
2755 . "\t" . ' || mkdir $(distdir)/$$subdir ' . "\\\n"
2756 . "\t" . ' || exit 1; ' . "\\\n"
2757 . "\t" . ' (cd $$subdir'
2758 . ' && $(MAKE) $(AM_MAKEFLAGS) top_distdir=../$('
2759 . (($relative_dir eq '.') ? 'distdir' : 'top_distdir')
2760 . ') distdir=../$(distdir)/$$subdir distdir) ' . "\\\n"
2761 . "\t" . ' || exit 1; ' . "\\\n"
2762 . "\t" . ' fi; ' . "\\\n"
2766 # If the target `dist-hook' exists, make sure it is run. This
2767 # allows users to do random weird things to the distribution
2768 # before it is packaged up.
2769 push (@dist_targets, 'dist-hook') if &target_defined ('dist-hook');
2772 foreach $targ (@dist_targets)
2774 # We must explicitly set distdir and top_distdir for these
2776 $output_rules .= ("\t\$(MAKE) \$(AM_MAKEFLAGS)"
2777 . " top_distdir=\"\$(top_distdir)\""
2778 . " distdir=\"\$(distdir)\" $targ\n");
2781 push (@phony, 'distdir');
2784 # Handle 'dist' target.
2787 local ($makefile) = @_;
2789 # Set up maint_charset.
2790 $local_maint_charset = &variable_value ('MAINT_CHARSET')
2791 if &variable_defined ('MAINT_CHARSET');
2792 $maint_charset = $local_maint_charset
2793 if $relative_dir eq '.';
2795 if (&variable_defined ('DIST_CHARSET'))
2797 &am_line_error ('DIST_CHARSET',
2798 "DIST_CHARSET defined but no MAINT_CHARSET defined")
2799 if ! $local_maint_charset;
2800 if ($relative_dir eq '.')
2802 $dist_charset = &variable_value ('DIST_CHARSET')
2806 &am_line_error ('DIST_CHARSET',
2807 "DIST_CHARSET can only be defined at top level");
2811 # Look for common files that should be included in distribution.
2813 foreach $cfile (@common_files)
2815 if (-f ($relative_dir . "/" . $cfile))
2817 &push_dist_common ($cfile);
2821 # Always require configure.ac and configure at top level, even if
2822 # they don't exist. This is especially important for configure,
2823 # since it won't be created until autoconf is run -- which might
2824 # be after automake is run.
2825 &push_dist_common ($configure_ac, 'configure')
2826 if $relative_dir eq '.';
2828 # We might copy elements from %configure_dist_common to
2829 # %dist_common if we think we need to. If the file appears in our
2830 # directory, we would have discovered it already, so we don't
2831 # check that. But if the file is in a subdir without a Makefile,
2832 # we want to distribute it here if we are doing `.'. Ugly!
2833 if ($relative_dir eq '.')
2836 foreach $iter (keys %configure_dist_common)
2838 if (! &is_make_dir (&dirname ($iter)))
2840 &push_dist_common ($iter);
2845 # Keys of %dist_common are names of files to distributed. We put
2846 # README first because it then becomes easier to make a
2847 # Usenet-compliant shar file (in these, README must be first).
2848 # FIXME: do more ordering of files here.
2850 if (defined $dist_common{'README'})
2852 push (@coms, 'README');
2853 delete $dist_common{'README'};
2855 push (@coms, sort keys %dist_common);
2857 # Now that we've processed %dist_common, disallow further attempts
2859 $handle_dist_run = 1;
2861 &define_pretty_variable ("DIST_COMMON", '', @coms);
2862 $output_vars .= "\n";
2865 $output_vars .= &file_contents ('dist-vars') . "\n";
2866 &define_variable ('GZIP_ENV', '--best');
2868 # Put these things in rules section so it is easier for whoever
2869 # reads Makefile.in.
2870 if (! &variable_defined ('distdir'))
2872 if ($relative_dir eq '.')
2874 $output_rules .= "\n" . 'distdir = $(PACKAGE)-$(VERSION)' . "\n";
2878 $output_rules .= ("\n"
2879 . 'distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)'
2883 if ($relative_dir eq '.')
2885 $output_rules .= "top_distdir = \$(distdir)\n";
2887 $output_rules .= "\n";
2889 # Generate 'dist' target, and maybe other dist targets.
2890 if ($relative_dir eq '.')
2892 # Rule to check whether a distribution is viable.
2893 local ($xform) = '';
2895 if (&target_defined ('distcheck-hook'))
2897 $xform .= 's/^DISTHOOK//;';
2901 $xform .= 's/^DISTHOOK.*$//;';
2905 $xform .= 's/^GETTEXT//;';
2909 $xform .= 's/^GETTEXT.*$//;';
2912 $output_rules .= &file_contents_with_transform ($xform, 'dist');
2914 local ($dist_all) = ('dist-all: distdir' . "\n"
2917 foreach $curs ('dist', 'dist-shar', 'dist-zip', 'dist-tarZ',
2920 if (defined $options{$curs} || $curs eq 'dist')
2922 $output_rules .= ($curs . ': distdir' . "\n"
2926 $dist_all .= $dist{$curs};
2929 $output_rules .= $dist_all . $dist_trailer;
2932 # Generate distdir target.
2933 &handle_dist_worker ($makefile);
2936 # A subroutine of handle_dependencies. This function includes
2937 # `depend2' with appropriate transformations.
2942 # First include code for ordinary objects.
2943 local ($key) = $lang . '-autodep';
2944 local ($xform, $ext);
2946 local ($pfx) = $language_map{$key};
2947 local ($fpfx) = ($pfx eq '') ? 'CC' : $pfx;
2948 $xform = ('s/\@PFX\@/' . $pfx . '/g;'
2949 . 's/\@FPFX\@/' . $fpfx . '/g;'
2950 . ($seen_objext ? 's/^OBJEXT//;' : 's/^OBJEXT.*$//;')
2951 . ($seen_libtool ? 's/^LIBTOOL//;' : 's/^LIBTOOL.*$//;'));
2953 # This function can be called even when we don't want dependency
2954 # tracking. This happens when we need an explicit rule for some
2955 # target. In this case we don't want to include the generic code.
2956 if ($use_dependencies)
2958 local ($xform1) = ($xform
2959 . 's/\@BASE\@/\$\*/g;'
2960 . 's/\@SOURCE\@/\$\</g;'
2961 . 's/\@(LT|OBJ)?OBJ\@/\$\@/g;');
2963 foreach $ext (&lang_extensions ($lang))
2965 $output_rules .= (&file_contents_with_transform ('s/\@EXT\@/'
2973 # Now include code for each specially handled object with this
2975 local (@list) = grep ($_ ne '', split (' ', $lang_specific_files{$lang}));
2976 local ($max) = scalar @list;
2978 local ($derived, $source, $obj);
2980 # If dependency tracking is disabled, we just elide the code.
2981 if (! $use_dependencies)
2983 $xform .= 's/\@AMDEP\@.*$//;';
2988 $derived = $list[$i];
2989 ($source = $list[$i + 1]) =~ s,([/\$]),\\$1,g;
2990 ($obj = $list[$i + 2]) =~ s,([/\$]),\\$1,g;
2993 local ($flag) = $language_map{$lang . '-flags'};
2994 local ($val) = "(${derived}_${flag}";
2995 ($rule = $language_map{$lang . '-compile'}) =~
2998 $rule =~ s,([/\$]),\\$1,g;
3000 # Generate a transform which will turn suffix targets in
3001 # depend2.am into real targets for the particular objects we
3004 &file_contents_with_transform ($xform
3005 . 's/\$\(' . $pfx . 'COMPILE\)/'
3007 . 's/\$\(LT' . $pfx . 'COMPILE\)/'
3008 . '\$(LIBTOOL) --mode=compile '
3010 # Generate rule for `.o'.
3012 . $obj . '.o: ' . $source
3014 # Maybe generate rule for `.lo'.
3015 # Might be eliminated by
3017 . 's/^\@EXT\@\.lo:/'
3018 . $obj . '.lo: ' . $source
3020 # Maybe generate rule for `.obj'.
3021 # Might be eliminated by
3023 . 's/^\@EXT\@\.obj:/'
3024 . $obj . '.obj: ' . $source
3026 # Handle source and obj
3028 . 's/\@OBJ\@/' . $obj . '.o/g;'
3029 . 's/\@OBJOBJ\@/' . $obj . '.obj/g;'
3030 . 's/\@LTOBJ\@/' . $obj . '.lo/g;'
3031 . 's/\@BASE\@/' . $obj . '/g;'
3032 . 's/\@SOURCE\@/' . $source . '/g;',
3037 # Handle auto-dependency code.
3038 sub handle_dependencies
3040 if ($use_dependencies)
3042 # Include auto-dep code. Don't include it if DEP_FILES would
3044 if (&saw_sources_p (0) && keys %dep_files)
3046 local ($config_aux_dir_specified) = ($config_aux_dir ne '.'
3047 && $config_aux_dir ne '');
3049 # Set $require_file_found{'depcomp'} if the depcomp file exists,
3050 # before calling require_config_file on `depcomp'. This makes
3051 # require_file_internal skip its buggy existence test that would
3052 # make automake fail (with `required file `lib/depcomp' not found')
3053 # when AC_CONFIG_AUX_DIR is not set. See tests/subdir4.test.
3054 local ($depcomp_dir) = ($config_aux_dir_specified ? $config_aux_dir
3056 $require_file_found{'depcomp'} = 1 if -f "$depcomp_dir/depcomp";
3058 # Set location of depcomp.
3059 local ($prefix) = ($config_aux_dir_specified ? $config_aux_dir
3062 &define_variable ('depcomp', "\$(SHELL) $prefix/depcomp");
3064 &require_config_file ($FOREIGN, 'depcomp');
3067 local (@deplist) = sort keys %dep_files;
3069 &define_pretty_variable ('DEP_FILES', '', ("\@AMDEP\@", @deplist));
3071 # Generate each `include' individually. Irix 6 make will
3072 # not properly include several files resulting from a
3073 # variable expansion; generating many separate includes
3075 $output_rules .= "\n";
3076 foreach $iter (@deplist)
3078 $output_rules .= "\@AMDEP\@" . 'include ' . $iter . "\n";
3081 $output_rules .= &file_contents ('depend');
3082 push (@clean, 'depend');
3083 &push_phony_cleaners ('depend');
3088 &define_variable ('depcomp', '');
3091 local ($key, $lang, $ext, $xform);
3092 foreach $key (sort keys %language_map)
3094 next unless $key =~ /^(.*)-autodep$/;
3095 next if $language_map{$key} eq 'no';
3100 # Handle subdirectories.
3103 return if ! &variable_defined ('SUBDIRS');
3105 # Make sure each directory mentioned in SUBDIRS actually exists.
3107 foreach $dir (&variable_value_as_list ('SUBDIRS', 'all'))
3109 # Skip directories substituted by configure.
3110 next if $dir =~ /^\@.*\@$/;
3112 if (! -d $am_relative_dir . '/' . $dir)
3114 &am_line_error ('SUBDIRS',
3115 "required directory $am_relative_dir/$dir does not exist");
3119 &am_line_error ('SUBDIRS', "directory should not contain \`/'")
3123 local ($xform) = ('s/\@INSTALLINFO\@/' .
3124 (defined $options{'no-installinfo'}
3125 ? 'install-info-recursive'
3128 $output_rules .= &file_contents_with_transform ($xform, 'subdirs');
3130 # Push a bunch of phony targets.
3132 foreach $phonies ('', '-data', '-exec', 'dirs')
3134 push (@phony, 'install' . $phonies . '-recursive');
3135 push (@phony, 'uninstall' . $phonies . '-recursive');
3137 foreach $phonies ('all', 'check', 'installcheck', 'info', 'dvi')
3139 push (@phony, $phonies . '-recursive');
3141 &push_phony_cleaners ('recursive');
3143 $recursive_install = 1;
3146 # Handle aclocal.m4.
3147 sub handle_aclocal_m4
3149 local ($regen_aclocal) = 0;
3150 if (-f 'aclocal.m4')
3152 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4');
3153 &push_dist_common ('aclocal.m4');
3155 if (open (ACLOCAL, '< aclocal.m4'))
3161 if ($line =~ 'generated automatically by aclocal')
3168 local ($acinclude) = 0;
3169 if (-f 'acinclude.m4')
3175 # Note that it might be possible that aclocal.m4 doesn't exist but
3176 # should be auto-generated. This case probably isn't very
3180 local (@ac_deps) = (
3182 ? "\@MAINTAINER_MODE_TRUE\@"
3185 ($acinclude ? ' acinclude.m4' : '')
3188 if (&variable_defined ('ACLOCAL_M4_SOURCES'))
3190 push (@ac_deps, "\$(ACLOCAL_M4_SOURCES)");
3192 elsif (&variable_defined ('ACLOCAL_AMFLAGS'))
3194 # Scan all -I directories for m4 files. These are our
3196 local ($examine_next, $amdir) = 0;
3197 foreach $amdir (&variable_value_as_list ('ACLOCAL_AMFLAGS', ''))
3202 if ($amdir !~ /^\// && -d $amdir)
3204 foreach $ac_dep (&my_glob ($amdir . '/*.m4'))
3206 $ac_dep =~ s/^\.\/*//;
3207 push (@ac_deps, $ac_dep)
3208 unless $ac_dep eq "aclocal.m4"
3209 || $ac_dep eq "acinclude.m4";
3213 elsif ($amdir eq '-I')
3220 &pretty_print_rule ("\$(ACLOCAL_M4):", "\t\t", @ac_deps);
3222 $output_rules .= ("\t"
3223 . 'cd $(srcdir) && $(ACLOCAL)'
3224 . (&variable_defined ('ACLOCAL_AMFLAGS')
3225 ? ' $(ACLOCAL_AMFLAGS)' : '')
3230 # Rewrite a list of input files into a form suitable to put on a
3231 # dependency list. The idea is that if an input file has a directory
3232 # part the same as the current directory, then the directory part is
3233 # simply removed. But if the directory part is different, then
3234 # $(top_srcdir) is prepended. Among other things, this is used to
3235 # generate the dependency list for the output files generated by
3236 # AC_OUTPUT. Consider what the dependencies should look like in this
3238 # AC_OUTPUT(src/out:src/in1:lib/in2)
3239 # The first argument, ADD_SRCDIR, is 1 if $(top_srcdir) should be added.
3240 # If 0 then files that require this addition will simply be ignored.
3241 sub rewrite_inputs_into_dependencies
3243 local ($add_srcdir, @inputs) = @_;
3244 local ($single, @newinputs);
3246 foreach $single (@inputs)
3248 if (&dirname ($single) eq $relative_dir)
3250 push (@newinputs, &basename ($single));
3254 push (@newinputs, '$(top_srcdir)/' . $single);
3261 # Handle remaking and configure stuff.
3262 # We need the name of the input file, to do proper remaking rules.
3263 sub handle_configure
3265 local ($local, $input, @secondary_inputs) = @_;
3267 local ($top_reldir);
3269 local ($input_base) = &basename ($input);
3270 local ($local_base) = &basename ($local);
3272 local ($amfile) = $input_base . '.am';
3273 # We know we can always add '.in' because it really should be an
3274 # error if the .in was missing originally.
3275 local ($infile) = '$(srcdir)/' . $input_base . '.in';
3276 local ($colon_infile);
3277 if ($local ne $input || @secondary_inputs)
3279 $colon_infile = ':' . $input . '.in';
3281 $colon_infile .= ':' . join (':', @secondary_inputs)
3282 if @secondary_inputs;
3284 local (@rewritten) = &rewrite_inputs_into_dependencies (1,
3287 # This rule remakes the Makefile.in. Note use of
3288 # @MAINTAINER_MODE_TRUE@ forces us to abandon pretty-printing.
3290 $output_rules .= ($infile
3291 # NOTE perl 5.003 (with -w) gives a
3292 # uninitialized value error on the next line.
3295 . ($seen_maint_mode ? "\@MAINTAINER_MODE_TRUE\@ " : '')
3297 . '$(top_srcdir)/' . $configure_ac .' $(ACLOCAL_M4)'
3298 . ' ' . join (' ', @include_stack)
3300 . "\tcd \$(top_srcdir) && \$(AUTOMAKE) "
3301 . ($cygnus_mode ? '--cygnus' : ('--' . $strictness_name))
3302 . ($cmdline_use_dependencies ? '' : ' --ignore-deps')
3303 . ' ' . $input . $colon_infile . "\n\n");
3305 # This rule remakes the Makefile.
3306 $output_rules .= ($local_base
3307 # NOTE: bogus uninit value error on next line;
3308 # see comment above.
3311 . join (' ', @rewritten)
3312 . ' $(top_builddir)/config.status'
3314 . "\tcd \$(top_builddir) \\\n"
3315 . "\t && CONFIG_FILES="
3316 . (($relative_dir eq '.') ? '$@' : '$(subdir)/$@')
3318 . ' CONFIG_HEADERS= $(SHELL) ./config.status'
3321 if ($relative_dir ne '.')
3324 $top_reldir = '../';
3328 local ($xform) = &transform ('CONFIGURE_AC' => $configure_ac);
3330 $output_rules .= &file_contents_with_transform ($xform,
3332 &examine_variable ('CONFIG_STATUS_DEPENDENCIES');
3333 &examine_variable ('CONFIGURE_DEPENDENCIES');
3336 &push_dist_common ('acconfig.h')
3340 # If we have a configure header, require it.
3342 local (@local_fullnames) = @config_fullnames;
3343 local (@local_names) = @config_names;
3344 local ($hdr_index) = 0;
3345 local ($distclean_config) = '';
3346 foreach $one_hdr (@config_headers)
3348 local ($one_fullname) = shift (@local_fullnames);
3349 local ($one_name) = shift (@local_names);
3351 local ($header_dir) = &dirname ($one_name);
3353 # If the header is in the current directory we want to build
3354 # the header here. Otherwise, if we're at the topmost
3355 # directory and the header's directory doesn't have a
3356 # Makefile, then we also want to build the header.
3357 if ($relative_dir eq $header_dir
3358 || ($relative_dir eq '.' && ! &is_make_dir ($header_dir)))
3360 local ($ch_sans_dir, $cn_sans_dir, $stamp_dir);
3361 if ($relative_dir eq $header_dir)
3363 $cn_sans_dir = &basename ($one_name);
3368 $cn_sans_dir = $one_name;
3369 if ($header_dir eq '.')
3375 $stamp_dir = $header_dir . '/';
3379 # Compute relative path from directory holding output
3380 # header to directory holding input header. FIXME:
3381 # doesn't handle case where we have multiple inputs.
3382 if (&dirname ($one_hdr) eq $relative_dir)
3384 $ch_sans_dir = &basename ($one_hdr);
3388 local (@rel_out_path);
3389 # FIXME this chunk of code should be its own sub.
3390 # It is used elsewhere.
3391 foreach (split (/\//, $relative_dir))
3393 next if $_ eq '' || $_ eq '.';
3396 # FIXME: actually this is an error.
3401 push (@rel_out_path, '..');
3406 $ch_sans_dir = join ('/', @rel_out_path) . '/' . $one_hdr;
3410 $ch_sans_dir = $one_hdr;
3414 &require_file_with_conf_line ($config_header_line,
3415 $FOREIGN, $ch_sans_dir);
3417 # Header defined and in this directory.
3419 if (-f $one_name . '.top')
3421 push (@files, "${cn_sans_dir}.top");
3423 if (-f $one_name . '.bot')
3425 push (@files, "${cn_sans_dir}.bot");
3428 &push_dist_common (@files);
3430 # For now, acconfig.h can only appear in the top srcdir.
3431 if (-f 'acconfig.h')
3433 if ($relative_dir eq '.')
3435 push (@files, 'acconfig.h');
3439 # Strange quoting because this gets fed through
3441 push (@files, '\$(top_srcdir)/acconfig.h');
3445 local ($stamp_name) = 'stamp-h';
3446 $stamp_name .= "${hdr_index}" if scalar (@config_headers) > 1;
3448 local ($xform) = '';
3450 $xform = &transform ('CONFIGURE_AC' => $configure_ac,
3451 'FILES' => join (' ', @files),
3452 'CONFIG_HEADER' => $cn_sans_dir,
3453 'CONFIG_HEADER_IN' => $ch_sans_dir,
3454 'CONFIG_HEADER_FULL' => $one_fullname,
3455 'STAMP' => "$stamp_dir$stamp_name");
3457 local ($out_dir) = &dirname ($ch_sans_dir);
3458 $xform .= &transform ('SRC_STAMP' => "${out_dir}/${stamp_name}");
3459 $output_rules .= &file_contents_with_transform ($xform,
3462 &create ("${relative_dir}/${out_dir}/${stamp_name}.in");
3463 &require_file_with_conf_line ($config_header_line, $FOREIGN,
3464 "${out_dir}/${stamp_name}.in");
3466 $distclean_config .= ' ' if $distclean_config;
3467 $distclean_config .= $cn_sans_dir;
3471 if ($distclean_config)
3473 $output_rules .= &file_contents_with_transform ('s,\@FILES\@,'
3477 push (@clean, 'hdr');
3478 &push_phony_cleaners ('hdr');
3481 # Set location of mkinstalldirs.
3482 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
3484 &define_variable ('mkinstalldirs', ('$(SHELL) ' . $config_aux_dir
3485 . '/mkinstalldirs'));
3489 &define_variable ('mkinstalldirs',
3490 '$(SHELL) $(top_srcdir)/mkinstalldirs');
3493 &am_line_error ('CONFIG_HEADER',
3494 "\`CONFIG_HEADER' is an anachronism; now determined from \`$configure_ac'")
3495 if &variable_defined ('CONFIG_HEADER');
3498 local ($config_header) = '';
3499 foreach $one_name (@config_names)
3501 # Generate CONFIG_HEADER define.
3503 if ($relative_dir eq &dirname ($one_name))
3505 $one_hdr = &basename ($one_name);
3509 $one_hdr = "${top_builddir}/${one_name}";
3512 $config_header .= ' ' if $config_header;
3513 $config_header .= $one_hdr;
3517 &define_variable ("CONFIG_HEADER", $config_header);
3520 # Now look for other files in this directory which must be remade
3521 # by config.status, and generate rules for them.
3522 local (@actual_other_files) = ();
3523 local ($file, $local);
3524 local (@inputs, @rewritten_inputs, $single);
3525 local ($need_rewritten);
3526 foreach $file (@other_input_files)
3528 if ($file =~ /^([^:]*):(.*)$/)
3530 # This is the ":" syntax of AC_OUTPUT.
3532 $local = &basename ($file);
3533 @inputs = split (':', $2);
3534 @rewritten_inputs = &rewrite_inputs_into_dependencies (1, @inputs);
3535 $need_rewritten = 1;
3540 $local = &basename ($file);
3541 @inputs = ($local . '.in');
3543 &rewrite_inputs_into_dependencies (1, $file . '.in');
3544 $need_rewritten = 0;
3547 # Skip files not in this directory.
3548 next unless &dirname ($file) eq $relative_dir;
3550 # Skip any file that is an automake input.
3551 next if -f $file . '.am';
3553 # Some users have been tempted to put `stamp-h' in the
3554 # AC_OUTPUT line. This won't do the right thing, so we
3555 # explicitly fail here.
3556 if ($local eq 'stamp-h')
3558 # FIXME: allow real filename.
3559 &am_conf_error ($configure_ac, $ac_output_line,
3560 'stamp-h should not appear in AC_OUTPUT');
3564 $output_rules .= ($local . ': '
3565 . '$(top_builddir)/config.status '
3566 . join (' ', @rewritten_inputs) . "\n"
3568 . 'cd $(top_builddir) && CONFIG_FILES='
3569 . ($relative_dir eq '.' ? '' : '$(subdir)/')
3570 . '$@' . ($need_rewritten
3571 ? (':' . join (':', @inputs))
3573 . ' CONFIG_HEADERS= $(SHELL) ./config.status'
3575 &push_dist_common (@inputs);
3576 push (@actual_other_files, $local);
3578 # Require all input files.
3579 &require_file_with_conf_line ($ac_output_line, $FOREIGN,
3580 &rewrite_inputs_into_dependencies (0, @inputs));
3583 # These files get removed by "make clean".
3584 &define_pretty_variable ('CONFIG_CLEAN_FILES', '', @actual_other_files);
3591 @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
3592 'oldinclude', 'pkginclude',
3596 next unless /\.(.*)$/;
3597 &saw_extension ($1);
3603 return if ! $seen_gettext || $relative_dir ne '.';
3605 if (! &variable_defined ('SUBDIRS'))
3608 ("AM_GNU_GETTEXT used but SUBDIRS not defined");
3612 &require_file_with_conf_line ($ac_gettext_line, $GNU, 'ABOUT-NLS');
3614 if (&variable_defined ('SUBDIRS'))
3618 "AM_GNU_GETTEXT in \`$configure_ac' but \`po' not in SUBDIRS")
3619 if $contents{'SUBDIRS'} !~ /\bpo\b/;
3622 "AM_GNU_GETTEXT in \`$configure_ac' but \`intl' not in SUBDIRS")
3623 if $contents{'SUBDIRS'} !~ /\bintl\b/;
3626 # Ensure that each language in ALL_LINGUAS has a .po file, and
3627 # each po file is mentioned in ALL_LINGUAS.
3630 local (%linguas) = ();
3631 grep ($linguas{$_} = 1, split (' ', $all_linguas));
3638 &am_line_error ($all_linguas_line,
3639 ("po/$_.po exists but \`$_' not in \`ALL_LINGUAS'"))
3643 foreach (keys %linguas)
3645 &am_line_error ($all_linguas_line,
3646 "$_ in \`ALL_LINGUAS' but po/$_.po does not exist")
3652 &am_error ("AM_GNU_GETTEXT in \`$configure_ac' but \`ALL_LINGUAS' not defined");
3656 # Handle footer elements.
3659 if ($contents{'SOURCES'})
3661 # NOTE don't use define_pretty_variable here, because
3662 # $contents{...} is already defined.
3663 $output_vars .= 'SOURCES = ' . $contents{'SOURCES'} . "\n";
3665 if ($contents{'OBJECTS'})
3667 # NOTE don't use define_pretty_variable here, because
3668 # $contents{...} is already defined.
3669 $output_vars .= 'OBJECTS = ' . $contents{'OBJECTS'} . "\n";
3671 if ($contents{'SOURCES'} || $contents{'OBJECTS'})
3673 $output_vars .= "\n";
3676 if (&target_defined ('.SUFFIXES'))
3678 &am_line_error ('.SUFFIXES',
3679 "use variable \`SUFFIXES', not target \`.SUFFIXES'");
3682 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
3683 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
3684 # anything else, by sticking it right after the default: target.
3685 $output_header .= ".SUFFIXES:\n";
3686 if (@suffixes || &variable_defined ('SUFFIXES'))
3688 # Make sure suffixes has unique elements. Sort them to ensure
3689 # the output remains consistent. However, $(SUFFIXES) is
3690 # always at the start of the list, unsorted. This is done
3691 # because make will choose rules depending on the ordering of
3692 # suffixes, and this lets the user have some control. Push
3693 # actual suffixes, and not $(SUFFIXES). Some versions of make
3694 # do not like variable substitutions on the .SUFFIXES line.
3696 local (@user_suffixes) = (&variable_defined ('SUFFIXES')
3697 ? &variable_value_as_list ('SUFFIXES', '')
3700 grep ($suffixes{$_} = 1, @suffixes);
3701 delete @suffixes{@user_suffixes};
3703 $output_header .= (".SUFFIXES: "
3704 . join (' ', @user_suffixes, sort keys %suffixes)
3707 $output_trailer .= &file_contents ('footer');
3710 # Deal with installdirs target.
3711 sub handle_installdirs
3713 # GNU Makefile standards recommend this.
3714 if ($recursive_install)
3716 # We create a separate `-am' target so that the -recursive
3717 # rule will work correctly.
3718 $output_rules .= ("installdirs: installdirs-recursive\n"
3719 . "installdirs-am:\n");
3720 push (@phony, 'installdirs-am');
3724 $output_rules .= "installdirs:\n";
3726 push (@phony, 'installdirs');
3729 &pretty_print_rule ("\t" . '$(mkinstalldirs) ', "\t\t",
3732 $output_rules .= "\n";
3735 # There are several targets which need to be merged. This is because
3736 # their complete definition is compiled from many parts. Note that we
3737 # avoid double colon rules, otherwise we'd use them instead.
3738 sub handle_merge_targets
3740 local ($makefile) = @_;
3742 # There are a few install-related variables that you should not define.
3744 foreach $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
3746 if (&variable_defined ($var))
3748 &am_line_error ($var, "\`$var' should not be defined");
3752 # Put this at the beginning for the sake of non-GNU makes. This
3753 # is still wrong if these makes can run parallel jobs. But it is
3755 unshift (@all, &basename ($makefile));
3758 foreach $one_name (@config_names)
3760 push (@all, &basename ($one_name))
3761 if &dirname ($one_name) eq $relative_dir;
3764 &do_one_merge_target ('info', @info);
3765 &do_one_merge_target ('dvi', @dvi);
3766 &do_check_merge_target;
3767 &do_one_merge_target ('installcheck', @installcheck);
3769 if (defined $options{'no-installinfo'})
3771 &do_one_merge_target ('install-info', '');
3773 elsif (&target_defined ('install-info-local'))
3775 &am_line_error ('install-info-local',
3776 "\`install-info-local' target defined but \`no-installinfo' option not in use");
3780 foreach $utarg ('uninstall-data-local', 'uninstall-data-hook',
3781 'uninstall-exec-local', 'uninstall-exec-hook')
3783 if (&target_defined ($utarg))
3786 ($x = $utarg) =~ s/(data|exec)-//;
3787 &am_line_error ($utarg, "use \`$x', not \`$utarg'");
3791 if (&target_defined ('install-local'))
3793 &am_line_error ('install-local',
3794 "use \`install-data-local' or \`install-exec-local', not \`install-local'");
3797 if (@all || &variable_defined ('BUILT_SOURCES'))
3800 local ($local_headers) = '';
3801 $local_headers = '$(BUILT_SOURCES)'
3802 if &variable_defined ('BUILT_SOURCES');
3803 foreach $one_name (@config_names)
3805 if (&dirname ($one_name) eq $relative_dir)
3807 $local_headers .= ' ' if $local_headers;
3808 $local_headers .= &basename ($one_name);
3813 # This is kind of a hack, but I couldn't see a better way
3814 # to handle it. In this particular case, we need to make
3815 # sure config.h is built before we recurse. We can't do
3816 # this by changing the order of dependencies to the "all"
3817 # because that breaks when using parallel makes. Instead
3818 # we handle things explicitly.
3819 $output_rules .= ("all-recursive-am: ${local_headers}"
3821 . '$(MAKE) $(AM_MAKEFLAGS)'
3824 $all_target = 'all-recursive-am';
3825 push (@phony, 'all-recursive-am');
3829 if (&variable_defined('lib_LTLIBRARIES') &&
3830 &variable_defined('bin_PROGRAMS'))
3832 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
3834 # Print definitions users can use.
3835 &do_one_merge_target ('install-exec', @install_exec);
3836 $output_rules .= "\n";
3838 &do_one_merge_target ('install-data', @install_data);
3839 $output_rules .= "\n";
3841 &do_one_merge_target ('install', 'all-am');
3842 &do_one_merge_target ('uninstall', @uninstall);
3844 &do_one_merge_target ('all', @all);
3846 # Generate the new 'install-strip' target. We can't just set
3847 # INSTALL_PROGRAM because that might be a relative path.
3848 $output_rules .= ("install-strip:\n\t"
3849 . '$(MAKE) $(AM_MAKEFLAGS) INSTALL_STRIP_FLAG=-s install'
3851 push (@phony, 'install-strip');
3854 # Helper for handle_merge_targets. Note that handle_merge_targets
3855 # relies on the fact that this doesn't add an extra \n at the end.
3856 sub do_one_merge_target
3858 local ($name, @values) = @_;
3860 if (&target_defined ($name . '-local'))
3862 # User defined local form of target. So include it.
3863 push (@values, $name . '-local');
3864 push (@phony, $name . '-local');
3867 &pretty_print_rule ($name . "-am:", "\t\t", @values);
3868 if ($name eq 'install')
3870 # Special-case `install-am' to run install-exec-am and
3871 # install-data-am after all-am is built.
3872 &pretty_print_rule ("\t\@\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3873 'install-exec-am', 'install-data-am');
3875 elsif ($name eq 'install-exec' && &target_defined ('install-exec-hook'))
3877 $output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
3878 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-exec-hook'
3881 elsif ($name eq 'install-data' && &target_defined ('install-data-hook'))
3883 $output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
3884 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-data-hook'
3888 local ($lname) = $name . ($recursive_install ? '-recursive' : '-am');
3889 local ($tname) = $name;
3890 # To understand this special case, see handle_merge_targets.
3893 $tname = 'all-redirect';
3894 $lname = $all_target if $recursive_install;
3895 push (@phony, 'all-redirect');
3896 $output_all = "all: all-redirect\n";
3898 &pretty_print_rule ($tname . ":", "\t\t", $lname);
3899 push (@phony, $name . '-am', $name);
3902 # Handle check merge target specially.
3903 sub do_check_merge_target
3905 if (&target_defined ('check-local'))
3907 # User defined local form of target. So include it.
3908 push (@check_tests, 'check-local');
3909 push (@phony, 'check-local');
3912 # In --cygnus mode, check doesn't depend on all.
3915 # Just run the local check rules.
3916 &pretty_print_rule ('check-am:', "\t\t", @check);
3920 # The check target must depend on the local equivalent of
3921 # `all', to ensure all the primary targets are built. Then it
3922 # must build the local check rules.
3923 $output_rules .= "check-am: all-am\n";
3924 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3928 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3932 push (@phony, 'check', 'check-am');
3933 $output_rules .= ("check: "
3934 . ($recursive_install ? 'check-recursive' : 'check-am')
3938 # Handle all 'clean' targets.
3941 local ($xform) = '';
3944 # Don't include `MAINTAINER'; it is handled specially below.
3945 foreach $name ('MOSTLY', '', 'DIST')
3947 if (! &variable_defined ($name . 'CLEANFILES'))
3949 $xform .= 's/^' . $name . 'CLEAN.*$//;';
3953 $xform .= 's/^' . $name . 'CLEAN//;';
3957 # Built sources are automatically removed by maintainer-clean.
3958 push (@maintainer_clean_files, '\$(BUILT_SOURCES)')
3959 if &variable_defined ('BUILT_SOURCES');
3960 push (@maintainer_clean_files, '\$(MAINTAINERCLEANFILES)')
3961 if &variable_defined ('MAINTAINERCLEANFILES');
3962 if (! @maintainer_clean_files)
3964 $xform .= 's/^MAINTAINERCLEAN.*$//;';
3968 $xform .= ('s/^MAINTAINERCLEAN//;'
3969 # Join with no space to avoid spurious `test -z'
3970 # success at runtime.
3971 . 's,\@MCFILES\@,' . join ('', @maintainer_clean_files)
3973 # A space is required in the join here.
3974 . 's,\@MFILES\@,' . join (' ', @maintainer_clean_files)
3978 $output_rules .= &file_contents_with_transform ($xform, 'clean');
3980 push (@clean, 'generic');
3981 &push_phony_cleaners ('generic');
3983 &do_one_clean_target ('clean', 'mostly', '', @clean);
3984 &do_one_clean_target ('clean', '', 'mostly', @clean);
3985 &do_one_clean_target ('clean', 'dist', '', @clean);
3986 &do_one_clean_target ('clean', 'maintainer-', 'dist', @clean);
3988 push (@phony, 'clean', 'mostlyclean', 'distclean', 'maintainer-clean');
3991 # Helper for handle_clean.
3992 sub do_one_clean_target
3994 local ($target, $name, $last_name, @deps) = @_;
3996 # Change each dependency `BLARG' into `clean-BLARG'.
3997 grep (($_ = $name . 'clean-' . $_) && 0, @deps);
3999 # Push the previous clean target. There is no previous clean
4000 # target if we're doing mostlyclean.
4001 push (@deps, $last_name . $target . '-am')
4002 unless $name eq 'mostly';
4004 # If a -local version of the rule is given, add it to the list.
4005 if (&target_defined ($name . $target . '-local'))
4007 push (@deps, $name . $target . '-local');
4010 # Print the target and the dependencies.
4011 &pretty_print_rule ($name . $target . "-am: ", "\t\t", @deps);
4013 # FIXME: shouldn't we really print these messages before running
4015 if ($name . $target eq 'maintainer-clean')
4017 # Print a special warning.
4019 ("\t\@echo \"This command is intended for maintainers to use;\"\n"
4020 . "\t\@echo \"it deletes files that may require special "
4021 . "tools to rebuild.\"\n");
4023 elsif ($name . $target eq 'distclean')
4025 $output_rules .= "\t-rm -f libtool\n" if $seen_libtool;
4027 $output_rules .= "\n";
4029 # Now generate the actual clean target.
4030 $output_rules .= ($name . $target . ": " . $name . $target
4031 . ($recursive_install ? '-recursive' : '-am')
4034 # We special-case config.status here. If we do it as part of the
4035 # normal clean processing for this directory, then it might be
4036 # removed before some subdir is cleaned. However, that subdir's
4037 # Makefile depends on config.status.
4038 if (($name . $target eq 'maintainer-clean'
4039 || $name . $target eq 'distclean')
4040 && $relative_dir eq '.')
4042 $output_rules .= "\t-rm -f config.status\n";
4044 $output_rules .= "\n";
4047 # Handle .PHONY target.
4050 &pretty_print_rule ('.PHONY:', "", @phony);
4051 $output_rules .= "\n";
4054 # Handle TESTS variable and other checks.
4057 if (defined $options{'dejagnu'})
4059 push (@check_tests, 'check-DEJAGNU');
4060 push (@phony, 'check-DEJAGNU');
4065 $xform = 's/^CYGNUS//;';
4069 $xform = 's/^CYGNUS.*$//;';
4071 $output_rules .= &file_contents_with_transform ($xform, 'dejagnu');
4073 # In Cygnus mode, these are found in the build tree.
4074 # Otherwise they are looked for in $PATH.
4075 &define_program_variable ('EXPECT', 'build', 'expect', 'expect');
4076 &define_program_variable ('RUNTEST', 'src', 'dejagnu', 'runtest');
4078 # Only create site.exp rule if user hasn't already written
4080 if (! &target_defined ('site.exp'))
4082 # Note that in the rule we don't directly generate
4083 # site.exp to avoid the possibility of a corrupted
4084 # site.exp if make is interrupted. Jim Meyering has some
4085 # useful text on this topic.
4086 $output_rules .= ("site.exp: Makefile\n"
4087 . "\t\@echo 'Making a new site.exp file...'\n"
4088 . "\t\@test ! -f site.bak || rm -f site.bak\n"
4089 . "\t\@echo '## these variables are automatically generated by make ##' > \$\@-t\n"
4090 . "\t\@echo '# Do not edit here. If you wish to override these values' >> \$\@-t\n"
4091 . "\t\@echo '# edit the last section' >> \$\@-t\n"
4092 . "\t\@echo 'set tool \$(DEJATOOL)' >> \$\@-t\n"
4093 . "\t\@echo 'set srcdir \$(srcdir)' >> \$\@-t\n"
4094 . "\t\@echo 'set objdir' \`pwd\` >> \$\@-t\n");
4096 # Extra stuff for AC_CANONICAL_*
4097 local (@whatlist) = ();
4098 if ($seen_canonical)
4100 push (@whatlist, 'host');
4103 # Extra stuff only for AC_CANONICAL_SYSTEM.
4104 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
4106 push (@whatlist, 'target', 'build');
4110 foreach $c1 (@whatlist)
4112 foreach $c2 ('alias', 'triplet')
4114 $output_rules .= "\t\@echo 'set ${c1}_${c2} \$(${c1}_${c2})' >> \$\@-t\n";
4118 $output_rules .= ("\t\@echo '## All variables above are generated by configure. Do Not Edit ##' >> \$\@-t\n"
4119 . "\t\@test ! -f site.exp || sed '1,/^## All variables above are.*##/ d' site.exp >> \$\@-t\n"
4120 . "\t\@test ! -f site.exp || mv site.exp site.bak\n"
4121 . "\t\@mv \$\@-t site.exp\n");
4127 foreach $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4129 if (&variable_defined ($c))
4131 &am_line_error ($c, "\`$c' defined but \`dejagnu' not in \`AUTOMAKE_OPTIONS'");
4136 if (&variable_defined ('TESTS'))
4138 push (@check_tests, 'check-TESTS');
4139 push (@phony, 'check-TESTS');
4141 # Note: Solaris 2.7 seems to expand TESTS using VPATH. That's
4142 # why we also try `dir='
4143 $output_rules .= 'check-TESTS: $(TESTS)
4144 @failed=0; all=0; xfail=0; xpass=0; \\
4145 srcdir=$(srcdir); export srcdir; \\
4146 list=' . "'\$(TESTS)'; \\" . '
4147 if test -n "$$list"; then \\
4148 for tst in $$list; do \\
4149 if test -f ./$$tst; then dir=./; \\
4150 elif test -f $$tst; then dir=; \\
4151 else dir="$(srcdir)/"; fi; \\
4152 if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \\
4153 all=`expr $$all + 1`; \\
4154 case " $(XFAIL_TESTS) " in \\
4156 xpass=`expr $$xpass + 1`; \\
4157 failed=`expr $$failed + 1`; \\
4158 echo "XPASS: $$tst"; \\
4161 echo "PASS: $$tst"; \\
4164 elif test $$? -ne 77; then \\
4165 all=`expr $$all + 1`; \\
4166 case " $(XFAIL_TESTS) " in \\
4168 xfail=`expr $$xfail + 1`; \\
4169 echo "XFAIL: $$tst"; \\
4172 failed=`expr $$failed + 1`; \\
4173 echo "FAIL: $$tst"; \\
4178 if test "$$failed" -eq 0; then \\
4179 if test "$$xfail" -eq 0; then \\
4180 banner="All $$all tests passed"; \\
4182 banner="All $$all tests behaved as expected ($$xfail expected failures)"; \\
4185 if test "$$xpass" -eq 0; then \\
4186 banner="$$failed of $$all tests failed"; \\
4188 banner="$$failed of $$all tests did not behave as expected ($$xpass unexpected passes)"; \\
4191 dashes=`echo "$$banner" | sed s/./=/g`; \\
4195 test "$$failed" -eq 0; \\
4201 # Handle Emacs Lisp.
4202 sub handle_emacs_lisp
4204 local (@elfiles) = &am_install_var ('-candist', 'lisp', 'LISP',
4210 &define_configure_variable ('lispdir');
4211 &define_configure_variable ('EMACS');
4212 $output_rules .= (".el.elc:\n"
4213 . "\t\@echo 'WARNING: Warnings can be ignored. :-)'\n"
4214 . "\tif test \$(EMACS) != no; then \\\n"
4215 . "\t EMACS=\$(EMACS) \$(SHELL) \$(srcdir)/elisp-comp \$<; \\\n"
4217 push (@suffixes, '.el', '.elc');
4219 # Generate .elc files.
4220 grep ($_ .= 'c', @elfiles);
4221 &define_pretty_variable ('ELCFILES', '', @elfiles);
4223 $output_rules .= &file_contents ('lisp-clean');
4224 push (@clean, 'lisp');
4225 &push_phony_cleaners ('lisp');
4227 push (@all, '$(ELCFILES)');
4230 if (&variable_defined ('lisp_LISP'))
4232 $varname = 'lisp_LISP';
4233 &am_error ("\`lisp_LISP' defined but \`AM_PATH_LISPDIR' not in \`$configure_ac'")
4238 $varname = 'noinst_LISP';
4241 &require_file_with_line ($varname, $FOREIGN, 'elisp-comp');
4248 local (@pyfiles) = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4249 'python', 'noinst');
4250 return if ! @pyfiles;
4252 # Found some python.
4253 &define_configure_variable ('pythondir');
4254 &define_configure_variable ('PYTHON');
4256 $output_rules .= &file_contents ('python-clean');
4257 push (@clean, 'python');
4259 &am_error ("\`python_PYTHON' defined but \`AM_CHECK_PYTHON' not in \`$configure_ac'")
4260 if ! $seen_pythondir && &variable_defined ('python_PYTHON');
4262 if ($config_aux_dir eq '.' || $config_aux_dir eq '')
4264 &define_variable ('py_compile', '$(top_srcdir)/py-compile');
4268 &define_variable ('py_compile', $config_aux_dir . '/py-compile');
4275 local (@sourcelist) = &am_install_var ('-candist', '-clean',
4277 'java', 'noinst', 'check');
4278 return if ! @sourcelist;
4280 &define_variable ('JAVAC', 'javac');
4281 &define_variable ('JAVACFLAGS', '');
4282 &define_variable ('CLASSPATH_ENV',
4283 'CLASSPATH=$(JAVAROOT):$(srcdir)/$(JAVAROOT):$$CLASSPATH');
4284 &define_variable ('JAVAROOT', '$(top_builddir)');
4286 local (%valid) = &am_primary_prefixes ('JAVA', 1,
4287 'java', 'noinst', 'check');
4289 local ($dir, $curs);
4290 foreach $curs (keys %valid)
4292 if (! &variable_defined ($curs . '_JAVA') || $curs eq 'EXTRA')
4299 &am_line_error ($curs . '_JAVA',
4300 "multiple _JAVA primaries in use");
4305 $output_rules .= ('class' . $dir . '.stamp: $(' . $dir . '_JAVA)' . "\n"
4306 . "\t" . '$(CLASSPATH_ENV) $(JAVAC) -d $(JAVAROOT) '
4307 . '$(JAVACFLAGS) $?' . "\n"
4308 . "\t" . 'echo timestamp > class' . $dir . '.stamp'
4310 push (@all, 'class' . $dir . '.stamp');
4311 &push_dist_common ('$(' . $dir . '_JAVA)');
4314 # Handle some of the minor options.
4315 sub handle_minor_options
4317 if (defined $options{'readme-alpha'})
4319 if ($relative_dir eq '.')
4321 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
4323 # FIXME: allow real filename.
4324 &am_conf_line_error ($configure_ac,
4325 $package_version_line,
4326 "version \`$package_version' doesn't follow Gnits standards");
4328 elsif (defined $1 && -f 'README-alpha')
4330 # This means we have an alpha release. See
4331 # GNITS_VERSION_PATTERN for details.
4332 &require_file ($FOREIGN, 'README-alpha');
4338 ################################################################
4340 # &scan_one_autoconf_file ($FILENAME)
4341 # -----------------------------------
4342 # Scan one file for interesting things. Subroutine of
4343 # &scan_autoconf_files.
4344 sub scan_one_autoconf_file
4346 local ($filename) = @_;
4349 open (CONFIGURE, $filename)
4350 || die "automake: couldn't open \`$filename': $!\n";
4351 print "automake: reading $filename\n" if $verbose;
4355 # Remove comments from current line.
4359 # Skip macro definitions. Otherwise we might be confused into
4360 # thinking that a macro that was only defined was actually
4364 # Follow includes. This is a weirdness commonly in use at
4365 # Cygnus and hopefully nowhere else.
4366 if (/sinclude\((.*)\)/ && -f $1)
4368 &scan_one_autoconf_file ($1);
4371 # Populate libobjs array.
4372 if (/AC_FUNC_ALLOCA/)
4374 $libsources{'alloca.c'} = 1;
4376 elsif (/AC_FUNC_GETLOADAVG/)
4378 $libsources{'getloadavg.c'} = 1;
4380 elsif (/AC_FUNC_MEMCMP/)
4382 $libsources{'memcmp.c'} = 1;
4384 elsif (/AC_STRUCT_ST_BLOCKS/)
4386 $libsources{'fileblocks.c'} = 1;
4388 elsif (/A[CM]_REPLACE_GNU_GETOPT/)
4390 $libsources{'getopt.c'} = 1;
4391 $libsources{'getopt1.c'} = 1;
4393 elsif (/AM_FUNC_STRTOD/)
4395 $libsources{'strtod.c'} = 1;
4397 elsif (/AM_WITH_REGEX/)
4399 $libsources{'rx.c'} = 1;
4400 $libsources{'rx.h'} = 1;
4401 $libsources{'regex.c'} = 1;
4402 $libsources{'regex.h'} = 1;
4403 $omit_dependencies{'rx.h'} = 1;
4404 $omit_dependencies{'regex.h'} = 1;
4406 elsif (/AC_FUNC_MKTIME/)
4408 $libsources{'mktime.c'} = 1;
4410 elsif (/AM_FUNC_ERROR_AT_LINE/)
4412 $libsources{'error.c'} = 1;
4413 $libsources{'error.h'} = 1;
4415 elsif (/AM_FUNC_OBSTACK/)
4417 $libsources{'obstack.c'} = 1;
4418 $libsources{'obstack.h'} = 1;
4420 elsif (/LIBOBJS="(.*)\s+\$LIBOBJS"/
4421 || /LIBOBJS="\$LIBOBJS\s+(.*)"/)
4423 foreach $libobj_iter (split (' ', $1))
4425 if ($libobj_iter =~ /^(.*)\.o(bj)?$/
4426 || $libobj_iter =~ /^(.*)\.\$ac_objext$/
4427 || $libobj_iter =~ /^(.*)\.\$\{ac_objext\}$/)
4429 $libsources{$1 . '.c'} = 1;
4433 elsif (/AC_LIBOBJ\(([^)]+)\)/)
4435 $libsources{"$1.c"} = 1;
4438 if (! $in_ac_replace && s/AC_REPLACE_FUNCS\s*\(\[?//)
4444 $in_ac_replace = 0 if s/[\]\)].*$//;
4445 # Remove trailing backslash.
4449 # Need to skip empty elements for Perl 4.
4451 $libsources{$_ . '.c'} = 1;
4455 if (/$obsolete_rx/o)
4458 if ($obsolete_macros{$1} ne '')
4460 $hint = '; ' . $obsolete_macros{$1};
4462 &am_conf_line_error ($filename, $., "\`$1' is obsolete$hint");
4465 # Process the AC_OUTPUT and AC_CONFIG_FILES macros.
4466 if (! $in_ac_output && s/AC_(OUTPUT|CONFIG_FILES)\s*\(\[?//)
4469 $ac_output_line = $.;
4473 local ($closing) = 0;
4480 # Look at potential Makefile.am's.
4483 # Must skip empty string for Perl 4.
4484 next if $_ eq "\\" || $_ eq '';
4486 # Handle $local:$input syntax. Note that we ignore
4487 # every input file past the first, though we keep
4488 # those around for later.
4489 local ($local, $input, @rest) = split (/:/);
4496 # FIXME: should be error if .in is missing.
4497 $input =~ s/\.in$//;
4500 if (-f $input . '.am')
4502 # We have a file that automake should generate.
4503 push (@make_input_list, $input);
4504 $make_list{$input} = join (':', ($local, @rest));
4508 # We have a file that automake should cause to be
4509 # rebuilt, but shouldn't generate itself.
4510 push (@other_input_files, $_);
4514 if ($closing && @make_input_list == 0 && @other_input_files == 0)
4516 &am_conf_line_error ($filename, $ac_output_line,
4517 "No files mentioned in \`AC_OUTPUT'");
4522 if (/$AC_CONFIG_AUX_DIR_PATTERN/o)
4524 @config_aux_path = $1;
4527 # Check for ansi2knr.
4528 $am_c_prototypes = 1 if /AM_C_PROTOTYPES/;
4530 # Check for exe extension stuff.
4534 $configure_vars{'EXEEXT'} = $filename . ':' . $.;
4540 $configure_vars{'OBJEXT'} = $filename . ':' . $.;
4543 # Check for `-c -o' code.
4544 $seen_cc_c_o = 1 if /AM_PROG_CC_C_O/;
4546 # Check for NLS support.
4547 if (/AM_GNU_GETTEXT/)
4550 $ac_gettext_line = $.;
4551 $omit_dependencies{'libintl.h'} = 1;
4554 # Look for ALL_LINGUAS.
4555 if (/ALL_LINGUAS="(.*)"$/ || /ALL_LINGUAS=(.*)$/)
4559 $all_linguas_line = $.;
4562 # Handle configuration headers. A config header of `[$1]'
4563 # means we are actually scanning AM_CONFIG_HEADER from
4565 if (/A([CM])_CONFIG_HEADERS?\s*\((.*)\)/
4569 ($filename, $., "\`automake requires \`AM_CONFIG_HEADER', not \`AC_CONFIG_HEADER'")
4572 $config_header_line = $.;
4574 foreach $one_hdr (split (' ', $2))
4576 push (@config_fullnames, $one_hdr);
4577 if ($one_hdr =~ /^([^:]+):(.+)$/)
4579 push (@config_names, $1);
4580 push (@config_headers, $2);
4584 push (@config_names, $one_hdr);
4585 push (@config_headers, $one_hdr . '.in');
4590 # Handle AC_CANONICAL_*. Always allow upgrading to
4591 # AC_CANONICAL_SYSTEM, but never downgrading.
4592 $seen_canonical = $AC_CANONICAL_HOST
4593 if ! $seen_canonical
4594 && (/AC_CANONICAL_HOST/ || /AC_CHECK_TOOL/);
4595 $seen_canonical = $AC_CANONICAL_SYSTEM if /AC_CANONICAL_SYSTEM/;
4597 $seen_path_xtra = 1 if /AC_PATH_XTRA/;
4599 # This macro handles several different things.
4600 if (/$AM_INIT_AUTOMAKE_PATTERN/o)
4604 $seen_prog_install = 1;
4605 ($package_version = $1) =~ s/$AM_PACKAGE_VERSION_PATTERN/$1/o;
4606 $package_version_line = $.;
4607 $seen_init_automake = 1;
4610 # Some things required by Automake.
4611 $seen_make_set = 1 if /AC_PROG_MAKE_SET/;
4612 $seen_arg_prog = 1 if /AC_ARG_PROGRAM/;
4616 $configure_vars{'LEX'} = $filename . ':' . $.;
4617 $seen_decl_yytext = 1;
4619 if (/AC_DECL_YYTEXT/ && $filename =~ /configure\.in$/)
4621 &am_conf_line_warning ($filename, $., "\`AC_DECL_YYTEXT' is covered by \`AM_PROG_LEX'");
4623 if (/AC_PROG_LEX/ && $filename =~ /configure\.in$/)
4625 &am_conf_line_warning ($filename, $., "automake requires \`AM_PROG_LEX', not \`AC_PROG_LEX'");
4628 if (/AC_PROG_(F77|YACC|RANLIB|CC|CXXCPP|CXX|LEX|AWK|CPP|LN_S)/)
4630 $configure_vars{$1} = $filename . ':' . $.;
4632 if (/$AC_CHECK_PATTERN/o)
4634 $configure_vars{$3} = $filename . ':' . $.;
4636 if (/$AM_MISSING_PATTERN/o
4640 && $1 ne 'AUTOHEADER')
4642 $configure_vars{$1} = $filename . ':' . $.;
4645 # Explicitly avoid ANSI2KNR -- we AC_SUBST that in protos.m4,
4646 # but later define it elsewhere. This is pretty hacky. We
4647 # also explicitly avoid INSTALL_SCRIPT and some other
4648 # variables because they are defined in header-vars.am.
4650 if (/$AC_SUBST_PATTERN/o
4652 && $1 ne 'INSTALL_SCRIPT'
4653 && $1 ne 'INSTALL_DATA')
4655 $configure_vars{$1} = $filename . ':' . $.;
4658 $seen_decl_yytext = 1 if /AC_DECL_YYTEXT/;
4659 if (/AM_MAINTAINER_MODE/)
4661 $seen_maint_mode = 1;
4662 $configure_cond{'MAINTAINER_MODE'} = 1;
4665 $seen_prog_install = 1 if /AC_PROG_INSTALL/;
4666 $seen_lispdir = 1 if /AM_PATH_LISPDIR/;
4667 $seen_pythondir = 1 if /AM_PATH_PYTHON/;
4669 if (/A(C|M)_PROG_LIBTOOL/)
4671 if (/AM_PROG_LIBTOOL/)
4673 &am_conf_line_warning ($filename, $., "\`AM_PROG_LIBTOOL' is obsolete, use \`AC_PROG_LIBTOOL' instead");
4677 $configure_vars{'LIBTOOL'} = $filename . ':' . $.;
4678 $configure_vars{'RANLIB'} = $filename . ':' . $.;
4679 $configure_vars{'CC'} = $filename . ':' . $.;
4680 # AC_PROG_LIBTOOL runs AC_CANONICAL_HOST. Make sure we
4681 # never downgrade (if we've seen AC_CANONICAL_SYSTEM).
4682 $seen_canonical = $AC_CANONICAL_HOST if ! $seen_canonical;
4685 $seen_multilib = 1 if (/AM_ENABLE_MULTILIB/);
4687 if (/$AM_CONDITIONAL_PATTERN/o)
4689 $configure_cond{$1} = 1;
4692 # Check for Fortran 77 intrinsic and run-time libraries.
4693 if (/AC_F77_LIBRARY_LDFLAGS/)
4695 $configure_vars{'FLIBS'} = $filename . ':' . $.;
4702 # &scan_autoconf_files ()
4703 # -----------------------
4704 # Check whether we use `configure.ac' or `configure.in'.
4705 # Scan it (and possibly `aclocal.m4') for interesting things.
4706 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
4707 sub scan_autoconf_files
4709 # Reinitialize libsources here. This isn't really necessary,
4710 # since we currently assume there is only one configure.ac. But
4711 # that won't always be the case.
4714 local ($in_ac_output, $in_ac_replace) = (0, 0);
4715 local (%make_list, @make_input_list);
4716 local ($libobj_iter);
4718 warn "automake: both \`configure.ac' and \`configure.in' present:"
4719 . " ignoring \`configure.in'\n"
4720 if -f 'configure.ac' && -f 'configure.in';
4721 $configure_ac = 'configure.in'
4722 if -f 'configure.in';
4723 $configure_ac = 'configure.ac'
4724 if -f 'configure.ac';
4725 die "automake: \`configure.ac' or \`configure.in' is required\n"
4728 &scan_one_autoconf_file ($configure_ac);
4729 &scan_one_autoconf_file ('aclocal.m4')
4732 # Set input and output files if not specified by user.
4735 @input_files = @make_input_list;
4736 %output_files = %make_list;
4739 @configure_input_files = @make_input_list;
4741 &am_conf_error ("\`AM_INIT_AUTOMAKE' must be used")
4742 if ! $seen_init_automake;
4744 # Always require AC_PROG_MAKE_SET. We might randomly use $(MAKE)
4745 # for our own reasons.
4746 &am_conf_error ("\`AC_PROG_MAKE_SET' must be used")
4747 if ! $seen_make_set;
4749 # Look for some files we need. Always check for these. This
4750 # check must be done for every run, even those where we are only
4751 # looking at a subdir Makefile. We must set relative_dir so that
4752 # the file-finding machinery works.
4753 local ($relative_dir) = '.';
4754 &require_config_file ($FOREIGN, 'install-sh', 'mkinstalldirs', 'missing');
4755 &am_error ("\`install.sh' is an anachronism; use \`install-sh' instead")
4756 if -f $config_aux_path[0] . '/install.sh';
4758 &require_config_file ($FOREIGN, 'py-compile')
4761 # Preserve dist_common for later.
4762 %configure_dist_common = %dist_common;
4765 ################################################################
4767 # Set up for Cygnus mode.
4770 return unless $cygnus_mode;
4772 &set_strictness ('foreign');
4773 $options{'no-installinfo'} = 1;
4774 $options{'no-dependencies'} = 1;
4775 $use_dependencies = 0;
4777 if (! $seen_maint_mode)
4779 &am_conf_error ("\`AM_MAINTAINER_MODE' required when --cygnus specified");
4784 &am_conf_error ("\`AC_EXEEXT' required when --cygnus specified");
4788 # Do any extra checking for GNU standards.
4789 sub check_gnu_standards
4791 if ($relative_dir eq '.')
4793 # In top level (or only) directory.
4794 &require_file ($GNU, 'INSTALL', 'NEWS', 'README', 'COPYING',
4795 'AUTHORS', 'ChangeLog');
4798 if ($strictness >= $GNU)
4800 if (defined $options{'no-installman'})
4802 &am_line_error ('AUTOMAKE_OPTIONS',
4803 "option \`no-installman' disallowed by GNU standards");
4806 if (defined $options{'no-installinfo'})
4808 &am_line_error ('AUTOMAKE_OPTIONS',
4809 "option \`no-installinfo' disallowed by GNU standards");
4814 # Do any extra checking for GNITS standards.
4815 sub check_gnits_standards
4817 if ($relative_dir eq '.')
4819 # In top level (or only) directory.
4820 &require_file ($GNITS, 'THANKS');
4824 ################################################################
4826 # Functions to handle files of each language.
4828 # Each `lang_X_rewrite' function follows a simple formula:
4829 # * Args are the directory, base name and extension of the file.
4830 # * Return value is 1 if file is to be dealt with, 0 otherwise.
4831 # Much of the actual processing is handled in handle_single_transform_list.
4832 # These functions exist so that auxiliary information can be recorded
4833 # for a later cleanup pass. Note that the calls to these functions
4834 # are computed, so don't bother searching for their precise names
4837 # This is just a convenience function that can be used to determine
4838 # when a subdir object should be used.
4841 return defined $options{'subdir-objects'} ? $LANG_SUBDIR : $LANG_PROCESS;
4844 # Rewrite a single C source file.
4847 local ($directory, $base, $ext) = @_;
4849 if (defined $options{'ansi2knr'} && $base =~ /_$/)
4851 # FIXME: include line number in error.
4852 &am_error ("C source file \`$base.c' would be deleted by ansi2knr rules");
4855 local ($r) = $LANG_PROCESS;
4856 if (defined $options{'subdir-objects'})
4859 $base = $directory . '/' . $base;
4863 # Only give error once.
4865 # FIXME: line number.
4866 &am_error ("C objects in subdir but \`AM_PROG_CC_C_O' not in \`$configure_ac'");
4869 &require_file ($FOREIGN, 'compile')
4870 if $relative_dir eq '.';
4873 $de_ansi_files{$base} = 1;
4877 # Rewrite a single C++ source file.
4878 sub lang_cxx_rewrite
4880 return &lang_sub_obj;
4883 # Rewrite a single header file.
4884 sub lang_header_rewrite
4886 # Header files are simply ignored.
4887 return $LANG_IGNORE;
4890 # Rewrite a single yacc file.
4891 sub lang_yacc_rewrite
4893 local ($directory, $base, $ext) = @_;
4895 local ($r) = &lang_c_rewrite ($directory, $base, $ext);
4897 if ($r == $LANG_SUBDIR)
4899 $pfx = $directory . '/';
4901 $yacc_sources{$pfx . $base . '.' . $ext} = 1;
4903 &saw_extension ('c');
4905 &push_dist_common ($pfx . $base . '.' . $ext);
4909 # Rewrite a single yacc++ file.
4910 sub lang_yaccxx_rewrite
4912 local ($directory, $base, $ext) = @_;
4914 local ($r) = $LANG_PROCESS;
4916 if (defined $options{'subdir-objects'})
4918 $pfx = $directory . '/';
4921 $yacc_sources{$pfx . $base . '.' . $ext} = 1;
4923 &saw_extension ($ext);
4925 &push_dist_common ($pfx . $base . '.' . $ext);
4929 # Rewrite a single lex file.
4930 sub lang_lex_rewrite
4932 local ($directory, $base, $ext) = @_;
4934 local ($r) = &lang_c_rewrite ($directory, $base, $ext);
4936 if ($r == $LANG_SUBDIR)
4938 $pfx = $directory . '/';
4940 $lex_sources{$pfx . $base . '.' . $ext} = 1;
4942 &saw_extension ('c');
4944 &push_dist_common ($pfx . $base . '.' . $ext);
4948 # Rewrite a single lex++ file.
4949 sub lang_lexxx_rewrite
4951 local ($directory, $base, $ext) = @_;
4953 local ($r) = $LANG_PROCESS;
4955 if (defined $options{'subdir-objects'})
4957 $pfx = $directory . '/';
4960 $lex_sources{$pfx . $base . '.' . $ext} = 1;
4962 &saw_extension ($ext);
4964 &push_dist_common ($pfx . $base . '.' . $ext);
4968 # Rewrite a single assembly file.
4969 sub lang_asm_rewrite
4971 return &lang_sub_obj;
4974 # Rewrite a single Fortran 77 file.
4975 sub lang_f77_rewrite
4977 return $LANG_PROCESS;
4980 # Rewrite a single preprocessed Fortran 77 file.
4981 sub lang_ppf77_rewrite
4983 return $LANG_PROCESS;
4986 # Rewrite a single ratfor file.
4987 sub lang_ratfor_rewrite
4989 return $LANG_PROCESS;
4992 # Rewrite a single Objective C file.
4993 sub lang_objc_rewrite
4995 return &lang_sub_obj;
4998 # Rewrite a single Java file.
4999 sub lang_java_rewrite
5001 return $LANG_SUBDIR;
5004 # The lang_X_finish functions are called after all source file
5005 # processing is done. Each should handle defining rules for the
5006 # language, etc. A finish function is only called if a source file of
5007 # the appropriate type has been seen.
5011 # Push all libobjs files onto de_ansi_files. We actually only
5012 # push files which exist in the current directory, and which are
5013 # genuine source files.
5015 foreach $file (keys %libsources)
5017 if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
5019 $de_ansi_files{$1} = 1;
5023 if (defined $options{'ansi2knr'} && keys %de_ansi_files)
5025 # Make all _.c files depend on their corresponding .c files.
5026 local ($base, @objects);
5027 foreach $base (sort keys %de_ansi_files)
5029 # Each _.c file must depend on ansi2knr; otherwise it
5030 # might be used in a parallel build before it is built.
5031 # We need to support files in the srcdir and in the build
5032 # dir (because these files might be auto-generated. But
5033 # we can't use $< -- some makes only define $< during a
5035 $output_rules .= ($base . "_.c: $base.c \$(ANSI2KNR)\n\t"
5036 . '$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
5037 . '`if test -f $(srcdir)/' . $base . '.c'
5038 . '; then echo $(srcdir)/' . $base . '.c'
5039 . '; else echo ' . $base . '.c; fi` '
5040 . "| sed 's/^# \\([0-9]\\)/#line \\1/' "
5041 . '| $(ANSI2KNR) > ' . $base . "_.c\n");
5042 push (@objects, $base . '_'
5043 . ($seen_objext ? '.$(OBJEXT)' : '.o'));
5044 push (@objects, $base . '_.lo') if $seen_libtool;
5047 # Make all _.o (and _.lo) files depend on ansi2knr.
5048 # Use a sneaky little hack to make it print nicely.
5049 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
5052 if (! defined $configure_vars{'CC'})
5054 # FIXME: line number.
5055 &am_error ("C source seen but \`CC' not defined in \`$configure_ac'");
5061 local ($ltcompile, $ltlink) = &libtool_compiler;
5063 &define_variable ('CXXLD', '$(CXX)');
5064 &define_variable ('CXXLINK', $ltlink . '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5066 if (! defined $configure_vars{'CXX'})
5068 &am_error ("C++ source seen but \`CXX' not defined in \`$configure_ac'");
5072 sub lang_header_finish
5077 # This is a helper for both lex and yacc.
5078 sub yacc_lex_finish_helper
5080 return if defined $language_scratch{'lex-yacc-done'};
5081 $language_scratch{'lex-yacc-done'} = 1;
5083 # If there is more than one distinct yacc (resp lex) source file
5084 # in a given directory, then the `ylwrap' program is required to
5085 # allow parallel builds to work correctly. FIXME: for now, no
5087 &require_config_file ($FOREIGN, 'ylwrap');
5088 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
5090 &define_variable ('YLWRAP', $config_aux_dir . "/ylwrap");
5094 &define_variable ('YLWRAP', '$(srcdir)/ylwrap');
5098 sub lang_yacc_finish
5100 return if defined $language_scratch{'yacc-done'};
5101 $language_scratch{'yacc-done'} = 1;
5103 local ($file, $base, $hname, $cname);
5104 local (%seen_suffix) = ();
5105 local (@yacc_files) = sort keys %yacc_sources;
5106 local ($yacc_count) = scalar (@yacc_files);
5107 foreach $file (@yacc_files)
5110 &output_yacc_build_rule ($1, $yacc_count > 1)
5111 if ! defined $seen_suffix{$1};
5112 $seen_suffix{$1} = 1;
5114 $file =~ /^(.*)\.(y|yy|y\+\+|yxx|ypp)$/;
5116 $hname = 'h'; # Always use `.h' for header file.
5117 ($cname = $2) =~ tr/y/c/;
5119 if ((&variable_defined ('AM_YFLAGS')
5120 && &variable_value ('AM_YFLAGS') =~ /(^|\s)-d(\s|$)/)
5121 || (&variable_defined ('YFLAGS')
5122 && &variable_value ('YFLAGS') =~ /(^|\s)-d(\s|$)/)) {
5123 # Now generate rule to make the header file. This should only
5124 # be generated if `yacc -d' specified.
5125 $output_rules .= "${base}.${hname}: ${base}.${cname}\n";
5127 # If the files are built in the build directory, then we want
5128 # to remove them with `make clean'. If they are in srcdir
5129 # they shouldn't be touched. However, we can't determine this
5130 # statically, and the GNU rules say that yacc/lex output files
5131 # should be removed by maintainer-clean. So that's what we
5133 push (@maintainer_clean_files, "${base}.${hname}");
5135 &push_dist_common ("${base}.${hname}");
5137 push (@maintainer_clean_files, "${base}.${cname}");
5139 $output_rules .= "\n";
5141 if (! defined $configure_vars{'YACC'})
5143 &am_error ("yacc source seen but \`YACC' not defined in \`$configure_ac'");
5145 if (&variable_defined ('YACCFLAGS'))
5147 &am_line_error ('YACCFLAGS',
5148 "\`YACCFLAGS' obsolete; use \`YFLAGS' instead");
5151 if ($yacc_count > 1)
5153 &yacc_lex_finish_helper;
5157 sub lang_yaccxx_finish
5164 return if defined $language_scratch{'lex-done'};
5165 $language_scratch{'lex-done'} = 1;
5167 local (%seen_suffix) = ();
5168 local ($file, $cname);
5169 local ($lex_count) = scalar (keys %lex_sources);
5170 foreach $file (sort keys %lex_sources)
5173 &output_lex_build_rule ($1, $lex_count > 1)
5174 if (! defined $seen_suffix{$1});
5175 $seen_suffix{$1} = 1;
5177 # If the files are built in the build directory, then we want
5178 # to remove them with `make clean'. If they are in srcdir
5179 # they shouldn't be touched. However, we can't determine this
5180 # statically, and the GNU rules say that yacc/lex output files
5181 # should be removed by maintainer-clean. So that's what we
5183 $file =~ /^(.*)\.(l|ll|l\+\+|lxx|lpp)$/;
5184 ($cname = $2) =~ tr/l/c/;
5185 push (@maintainer_clean_files, "${1}.${cname}");
5188 if (! defined $configure_vars{'LEX'})
5190 &am_error ("lex source seen but \`LEX' not defined in \`$configure_ac'");
5192 if (! $seen_decl_yytext)
5194 &am_error ("lex source seen but \`AC_DECL_YYTEXT' not in \`$configure_ac'");
5199 &yacc_lex_finish_helper;
5203 sub lang_lexxx_finish
5210 # We need the C code for assembly.
5216 # FIXME: this function can be called more than once. We should
5217 # arrange for it to only do anything the first time through.
5219 local ($ltcompile, $ltlink) = &libtool_compiler;
5221 &define_variable ('F77LD', '$(F77)');
5222 &define_variable ('F77LINK', $ltlink . '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5224 if (! defined $configure_vars{'F77'})
5226 &am_error ("Fortran 77 source seen but \`F77' not defined in \`$configure_ac'");
5230 # Preprocessed Fortran 77
5232 # The current support for preprocessing Fortran 77 just involves passing
5233 # `$(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)' as additional flags
5234 # to the Fortran 77 compiler, since this is how GNU Make does it; see
5235 # the `GNU Make Manual, Edition 0.51 for `make' Version 3.76 Beta'
5236 # (specifically, from info file `(make)Catalogue of Rules').
5238 # A better approach would be to write an Autoconf test
5239 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
5240 # Fortran 77 compilers know how to do preprocessing. The Autoconf macro
5241 # AC_PROG_FPP should test the Fortran 77 compiler first for
5242 # preprocessing capabilities, and then fall back on cpp (if cpp were
5244 sub lang_ppf77_finish
5248 # We also handle the case of preprocessing `.F' files into `.f'
5250 $output_rules .= (".F.f:\n"
5251 . "\t\$(F77COMPILE) -F \$<\n");
5254 sub lang_ratfor_finish
5258 # We also handle the case of preprocessing `.r' files into `.f'
5260 $output_rules .= (".r.f:\n"
5261 . "\t\$(RCOMPILE) -F \$<\n");
5264 sub lang_objc_finish
5266 local ($ltcompile, $ltlink) = &libtool_compiler;
5268 &define_variable ('OBJCLD', '$(OBJC)');
5269 &define_variable ('OBJCLINK', $ltlink . '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5271 if (! defined $configure_vars{'OBJC'})
5273 &am_error ("Objective C source seen but \`OBJC' not defined in \`$configure_ac'");
5277 sub lang_java_finish
5279 local ($ltcompile, $ltlink) = &libtool_compiler;
5281 &define_variable ('GCJLD', '$(GCJ)');
5282 &define_variable ('GCJLINK', $ltlink . '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5284 if (! defined $configure_vars{'GCJ'})
5286 &am_error ("Java source seen but \`GCJ' not defined in \`$configure_ac'");
5290 # A helper which computes a sorted list of all extensions for LANG.
5295 foreach $key (sort keys %extension_seen)
5297 push (@r, '.' . $key) if $extension_map{$key} eq $lang;
5302 # A helper which decides whether libtool is needed. Returns prefix
5303 # for compiler and linker.
5304 sub libtool_compiler
5306 local ($ltcompile, $ltlink) = ('', '');
5309 &define_configure_variable ("LIBTOOL");
5310 $ltcompile = '$(LIBTOOL) --mode=compile ';
5311 $ltlink = '$(LIBTOOL) --mode=link ';
5313 return ($ltcompile, $ltlink);
5316 # Given a hash table of linker names, pick the name that has the most
5317 # precedence. This is lame, but something has to have global
5318 # knowledge in order to eliminate the conflict. Add more linkers as
5322 local (%linkers) = @_;
5325 if defined $linkers{'GCJLINK'};
5327 if defined $linkers{'CXXLINK'};
5329 if defined $linkers{'F77LINK'};
5331 if defined $linkers{'OBJCLINK'};
5335 # Called to indicate that an extension was used.
5339 $extension_seen{$ext} = 1;
5342 # Called to ask whether source files have been seen . If HEADERS is 1,
5343 # headers can be included.
5346 local ($headers) = @_;
5354 local (@exts) = &lang_extensions ('header');
5358 return scalar keys %extension_seen > $headers;
5361 # Register a single language. LANGUAGE is the name of the language.
5362 # Each OPTION is either of the form NAME=VALUE, or is a file extension
5364 sub register_language
5366 local ($language, @options) = @_;
5369 $language_map{$language . '-ansi-p'} = 0;
5370 $language_map{$language . '-linker'} = '';
5371 $language_map{$language . '-autodep'} = 'no';
5372 $language_map{$language . '-derived-autodep'} = 'no';
5375 foreach $iter (@options)
5377 if ($iter =~ /^(.*)=(.*)$/)
5379 $language_map{$language . '-' . $1} = $2;
5381 elsif (defined $extension_map{$iter})
5384 "automake: programming error: duplicate extension $iter\n";
5389 $extension_map{$iter} = $language;
5394 # This function is used to find a path from a user-specified suffix to
5395 # `o' or to some other suffix we recognize internally, eg `cc'.
5398 local ($source_ext) = @_;
5400 # FIXME: hard-coding `o' is a mistake. Doing something
5401 # intelligent is harder.
5402 while ($extension_map{$source_ext} eq ''
5403 && $source_ext ne 'o'
5404 && defined $suffix_rules{$source_ext})
5406 $source_ext = $suffix_rules{$source_ext};
5413 ################################################################
5415 # Pretty-print something. HEAD is what should be printed at the
5416 # beginning of the first line, FILL is what should be printed at the
5417 # beginning of every subsequent line.
5418 sub pretty_print_internal
5420 local ($head, $fill, @values) = @_;
5422 local ($column) = length ($head);
5423 local ($result) = $head;
5425 # Fill length is number of characters. However, each Tab
5426 # character counts for eight. So we count the number of Tabs and
5428 local ($fill_length) = length ($fill);
5429 $fill_length += 7 * ($fill =~ tr/\t/\t/d);
5431 local ($bol) = ($head eq '');
5434 # "71" because we also print a space.
5435 if ($column + length ($_) > 71)
5437 $result .= " \\\n" . $fill;
5438 $column = $fill_length;
5442 $result .= ' ' unless ($bol);
5444 $column += length ($_) + 1;
5452 # Pretty-print something and append to output_vars.
5455 $output_vars .= &pretty_print_internal (@_);
5458 # Pretty-print something and append to output_rules.
5459 sub pretty_print_rule
5461 $output_rules .= &pretty_print_internal (@_);
5465 ################################################################
5467 # See if a target exists.
5470 local ($target) = @_;
5471 return defined $targets{$target};
5474 # See if two conditionals are the same.
5475 sub conditional_same
5477 local ($cond1, $cond2) = @_;
5479 return (&conditional_true_when ($cond1, $cond2)
5480 && &conditional_true_when ($cond2, $cond1));
5483 # See if a conditional is true. Both arguments are conditional
5484 # strings. This returns true if the first conditional is true when
5485 # the second conditional is true.
5486 sub conditional_true_when
5488 local ($cond, $when) = @_;
5490 # Check the easy case first.
5496 # Check each component of $cond, which looks @COND1@@COND2@.
5497 foreach $comp (split ('@', $cond))
5499 # The way we split will give null strings between each
5503 if (index ($when, '@' . $comp . '@') == -1)
5512 # Check for an ambiguous conditional. This is called when a variable
5513 # or target is being defined conditionally. If we already know about
5514 # a definition that is true under the same conditions, then we have an
5516 sub check_ambiguous_conditional
5518 local ($var_name, $cond) = @_;
5519 local (@cond_vals) = split (' ', $conditional{$var_name});
5522 local ($vcond) = shift (@cond_vals);
5524 if (&conditional_true_when ($vcond, $cond)
5525 || &conditional_true_when ($cond, $vcond))
5527 &am_line_error ($var_name,
5528 "$var_name multiply defined in condition");
5533 # See if a variable exists. The first argument is the variable name,
5534 # and the optional second argument is the condition which we should
5535 # check. If no condition is given, we currently return true if the
5536 # variable is defined under any condition.
5537 sub variable_defined
5539 local ($var, $cond) = @_;
5540 if (defined $targets{$var})
5542 &am_line_error ($var, "\`$var' is target; expected variable");
5545 elsif (defined $contents{$var})
5547 if ($cond && $conditional{$var})
5549 # We have been asked to check for a particular condition,
5550 # and the variable is defined conditionally. We need to
5551 # look through the conditions under which the variable is
5552 # defined, and see if any of them match the conditional we
5553 # have been asked to check.
5554 local (@cond_vars) = split (' ', $conditional{$var});
5557 if (&conditional_same ($cond, shift (@cond_vars)))
5559 # Even a conditional examination is good enough
5560 # for us. FIXME: really should maintain examined
5561 # status on a per-condition basis.
5562 $content_seen{$var} = 1;
5568 # The variable is not defined for the given condition.
5572 $content_seen{$var} = 1;
5578 # Mark a variable as examined.
5579 sub examine_variable
5582 &variable_defined ($var);
5585 # Quote a value in order to put it in $conditional. We need to quote
5586 # spaces, and we need to handle null strings, so that we can later
5587 # retrieve values by splitting on space.
5591 $val =~ tr/ \t\n/\001\003\004/;
5592 $val = "\002" if $val eq '';
5596 # Unquote a value in $conditional.
5597 sub unquote_cond_val
5600 $val =~ tr/\001\003\004/ \t\n/;
5605 # Return the set of conditions for which a variable is defined.
5607 # If the variable is not defined conditionally, and is not defined in
5608 # terms of any variables which are defined conditionally, then this
5609 # returns the empty list.
5611 # If the variable is defined conditionally, but is not defined in
5612 # terms of any variables which are defined conditionally, then this
5613 # returns the list of conditions for which the variable is defined.
5615 # If the variable is defined in terms of any variables which are
5616 # defined conditionally, then this returns a full set of permutations
5617 # of the subvariable conditions. For example, if the variable is
5618 # defined in terms of a variable which is defined for @COND_TRUE@,
5619 # then this returns both @COND_TRUE@ and @COND_FALSE@. This is
5620 # because we will need to define the variable under both conditions.
5622 sub variable_conditions
5630 foreach $cond (&variable_conditions_sub ($var, '', ()))
5632 $uniqify{$cond} = 1;
5635 @uniq_list = sort keys %uniqify;
5636 # Note we cannot just do `return sort keys %uniqify', because this
5637 # function is sometimes used in a scalar context.
5641 # A subroutine of variable_conditions. We only return conditions
5642 # which are true for all the conditions in @PARENT_CONDS.
5643 sub variable_conditions_sub
5645 local ($var, $parent, @parent_conds) = @_;
5646 local (@new_conds) = ();
5648 if (defined $vars_scanned{$var})
5650 &am_line_error ($parent, "variable \`$var' recursively defined");
5653 $vars_scanned{$var} = 1;
5655 if (! $conditional{$var})
5657 foreach (split (' ', $contents{$var}))
5659 # If a comment seen, just leave.
5662 # Handle variable substitutions.
5663 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
5666 &variable_conditions_sub ($1, $var, @parent_conds));
5670 # Now we want to return all permutations of the subvariable
5672 local (%allconds, $item);
5673 foreach $item (@new_conds)
5675 foreach (split ('@', $item))
5679 $allconds{$_ . '_TRUE'} = 1;
5683 # Unset our entry in vars_scanned. We only care about recursive
5685 delete $vars_scanned{$var};
5687 return &variable_conditions_permutations (sort keys %allconds);
5690 local (@this_conds) = ();
5691 local (@condvals) = split (' ', $conditional{$var});
5694 local ($cond) = shift (@condvals);
5695 local ($val) = &unquote_cond_val (shift (@condvals));
5700 local ($parent_cond);
5701 foreach $parent_cond (@parent_conds)
5703 if (! &conditional_true_when ($parent_cond, $cond))
5713 push (@this_conds, $cond);
5715 push (@parent_conds, $cond);
5716 local (@subvar_conds) = ();
5717 foreach (split (' ', $val))
5719 # If a comment seen, just leave.
5722 # Handle variable substitutions.
5723 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
5725 push (@subvar_conds,
5726 &variable_conditions_sub ($1, $var, @parent_conds));
5729 pop (@parent_conds);
5731 # If there are no conditional subvariables, then we want to
5732 # return this condition. Otherwise, we want to return the
5733 # permutations of the subvariables.
5734 if (! @subvar_conds)
5736 push (@new_conds, $cond);
5740 push (@new_conds, &variable_conditions_reduce (@subvar_conds));
5744 # Unset our entry in vars_scanned. We only care about recursive
5746 delete $vars_scanned{$var};
5751 # If we are being called on behalf of another variable, we need to
5752 # return all possible permutations of the conditions. We have
5753 # already handled everything in @this_conds along with their
5754 # subvariables. We now need to add any permutations that are not
5757 foreach $this_cond (@this_conds)
5760 &variable_conditions_permutations (split('@', $this_cond));
5762 foreach $perm (@perms)
5766 foreach $scan (@this_conds)
5768 if (&conditional_true_when ($perm, $scan)
5769 || &conditional_true_when ($scan, $perm))
5780 local ($parent_cond);
5781 foreach $parent_cond (@parent_conds)
5783 if (! &conditional_true_when ($parent_cond, $perm))
5793 # This permutation was not already handled, and is valid
5795 push (@new_conds, $perm);
5802 # Subroutine for variable_conditions_sort
5803 sub variable_conditions_cmp
5809 return (length ($as) <=> length ($bs)
5813 # Sort a list of conditionals so that only the exclusive ones are
5814 # retained. For example, if both @COND1_TRUE@@COND2_TRUE@ and
5815 # @COND1_TRUE@ are in the list, discard the latter.
5816 sub variable_conditions_reduce
5818 local (@conds) = @_;
5821 foreach $cond (sort variable_conditions_cmp @conds)
5825 foreach $scan (@ret)
5827 if (&conditional_true_when ($cond, $scan))
5840 # Return a list of permutations of a conditional string.
5841 sub variable_conditions_permutations
5843 local (@comps) = @_;
5846 local ($comp) = shift (@comps);
5847 return &variable_conditions_permutations (@comps)
5849 local ($neg) = $comp;
5850 $neg =~ s/TRUE$/TRUEO/;
5851 $neg =~ s/FALSE$/TRUE/;
5852 $neg =~ s/TRUEO$/FALSE/;
5855 foreach $sub (&variable_conditions_permutations (@comps))
5857 push (@ret, '@' . $comp . '@' . $sub);
5858 push (@ret, '@' . $neg . '@' . $sub);
5862 push (@ret, '@' . $comp . '@');
5863 push (@ret, '@' . $neg . '@');
5868 # Warn if a variable is conditionally defined. This is called if we
5869 # are using the value of a variable.
5870 sub variable_conditionally_defined
5872 local ($var, $parent) = @_;
5873 if ($conditional{$var})
5877 &am_line_error ($parent,
5878 "warning: automake does not support conditional definition of $var in $parent");
5882 &am_line_error ($parent,
5883 "warning: automake does not support $var being defined conditionally")
5888 # Get the value of a variable. This just returns $contents, but warns
5889 # if the variable is conditionally defined.
5893 &variable_conditionally_defined ($var);
5894 return $contents{$var};
5897 # Convert a variable value to a list, split as whitespace. This will
5898 # recursively follow $(...) and ${...} inclusions. It preserves @...@
5899 # substitutions. If COND is 'all', then all values under all
5900 # conditions should be returned; if COND is a particular condition
5901 # (all conditions are surrounded by @...@) then only the value for
5902 # that condition should be returned; otherwise, warn if VAR is
5903 # conditionally defined. SCANNED is a global hash listing whose keys
5904 # are all the variables already scanned; it is an error to rescan a
5908 local ($var, $val, $cond) = @_;
5912 $val =~ s/\\(\n|$)/ /g;
5914 foreach (split (' ', $val))
5916 # If a comment seen, just leave.
5919 # Handle variable substitutions.
5920 if (/^\$\{([^}]*)\}$/ || /^\$\(([^)]*)\)$/)
5922 local ($varname) = $1;
5924 # If the user uses a losing variable name, just ignore it.
5925 # This isn't ideal, but people have requested it.
5926 next if ($varname =~ /\@.*\@/);
5930 if ($varname =~ /^([^:]*):([^=]*)=(.*)$/)
5934 ($from = $2) =~ s/(\W)/\\$1/g;
5938 @temp_list = &variable_value_as_list_worker ($1, $cond, $var);
5940 # Now rewrite the value if appropriate.
5943 grep (s/$from$/$to/, @temp_list);
5946 push (@result, @temp_list);
5957 # Return contents of variable as list, split as whitespace. This will
5958 # recursively follow $(...) and ${...} inclusions. It preserves @...@
5959 # substitutions. If COND is 'all', then all values under all
5960 # conditions should be returned; if COND is a particular condition
5961 # (all conditions are surrounded by @...@) then only the value for
5962 # that condition should be returned; otherwise, warn if VAR is
5963 # conditionally defined. If PARENT is specified, it is the name of
5964 # the including variable; this is only used for error reports.
5965 sub variable_value_as_list_worker
5967 local ($var, $cond, $parent) = @_;
5970 if (defined $targets{$var})
5972 &am_line_error ($var, "\`$var' is target; expected variable");
5974 elsif (! defined $contents{$var} && ! defined $am_var_defs{$var})
5976 &am_line_error ($parent, "variable \`$var' not defined");
5978 elsif (defined $vars_scanned{$var})
5980 # `vars_scanned' is a global we use to keep track of which
5981 # variables we've already examined.
5982 &am_line_error ($parent, "variable \`$var' recursively defined");
5984 elsif ($cond eq 'all' && $conditional{$var})
5986 $vars_scanned{$var} = 1;
5987 local (@condvals) = split (' ', $conditional{$var});
5991 local ($val) = &unquote_cond_val (shift (@condvals));
5992 push (@result, &value_to_list ($var, $val, $cond));
5995 elsif ($cond && $conditional{$var})
5997 $vars_scanned{$var} = 1;
5998 local (@condvals) = split (' ', $conditional{$var});
6002 local ($vcond) = shift (@condvals);
6003 local ($val) = &unquote_cond_val (shift (@condvals));
6004 if (&conditional_true_when ($vcond, $cond))
6006 # Warn if we have an ambiguity. It's hard to know how
6007 # to handle this case correctly.
6008 &variable_conditionally_defined ($var, $parent)
6011 push (@result, &value_to_list ($var, $val, $cond));
6015 elsif (defined $am_var_defs{$var})
6017 $vars_scanned{$var} = 1;
6018 &variable_conditionally_defined ($var, $parent);
6019 $content_seen{$var} = 1;
6020 push (@result, &value_to_list ($var, $am_var_defs{$var}, $cond));
6024 $vars_scanned{$var} = 1;
6025 &variable_conditionally_defined ($var, $parent);
6026 $content_seen{$var} = 1;
6027 push (@result, &value_to_list ($var, $contents{$var}, $cond));
6030 # Unset our entry in vars_scanned. We only care about recursive
6032 delete $vars_scanned{$var};
6037 # This is just a wrapper for variable_value_as_list_worker that
6038 # initializes the global hash `vars_scanned'. This hash is used to
6039 # avoid infinite recursion.
6040 sub variable_value_as_list
6042 local ($var, $cond, $parent) = @_;
6044 return &variable_value_as_list_worker ($var, $cond, $parent);
6047 # Define a new variable, but only if not already defined.
6050 local ($var, $value) = @_;
6052 if (! defined $contents{$var})
6054 $output_vars .= $var . ' = ' . $value . "\n";
6055 $contents{$var} = $value;
6056 $content_seen{$var} = 1;
6058 elsif ($var_was_plus_eq{$var})
6060 &am_line_error ($var, "internally generated variable \`$var' was set with \`+='");
6064 # Like define_variable, but the value is a list, and the variable may
6065 # be defined conditionally. The second argument is the conditional
6066 # under which the value should be defined; this should be the empty
6067 # string to define the variable unconditionally. The third argument
6068 # is a list holding the values to use for the variable. The value is
6069 # pretty printed in the output file.
6070 sub define_pretty_variable
6072 local ($var, $cond, @value) = @_;
6073 if (! defined $contents{$var}
6074 || ($cond && ! &variable_defined ($var, $cond)))
6076 $contents{$var} = join (' ', @value);
6079 if ($conditional{$var})
6081 $conditional{$var} .= ' ';
6085 $conditional{$var} = '';
6087 $conditional{$var} .= ($cond
6089 . "e_cond_val ($contents{$var}));
6091 &pretty_print ($cond . $var . ' = ', $cond, @value);
6092 $content_seen{$var} = 1;
6096 # Like define_variable, but define a variable to be the configure
6097 # substitution by the same name.
6098 sub define_configure_variable
6101 local ($value) = '@' . $var . '@';
6102 &define_variable ($var, $value);
6105 # Define a compiler variable. We also handle defining the `LT'
6106 # version of the command when using libtool.
6107 sub define_compiler_variable
6109 local ($var, $ltcompile, $value) = @_;
6110 local ($name) = $var;
6111 &define_variable ($name, $value);
6112 &define_variable ('LT' . $name, $ltcompile . $value)
6116 # Define a variable that represents a program to run. If in Cygnus
6117 # mode, the program is searched for in the build (or source) tree.
6118 # Otherwise no searching is done at all. Arguments are:
6119 # * VAR Name of variable to define
6120 # * WHATDIR Either `src' or `build', depending on where program should
6121 # be found. (runtest is in srcdir!)
6122 # * SUBDIR Subdir of top-level dir
6123 # * PROGRAM Name of program
6124 # * OVERRIDE If specified, the name of the program to use when not in
6125 # Cygnus mode. Defaults to PROGRAM.
6126 sub define_program_variable
6128 local ($var, $whatdir, $subdir, $program, $override) = @_;
6132 $override = $program;
6137 local ($full) = ('$(top_' . $whatdir . 'dir)/../'
6138 . $subdir . '/' . $program);
6139 &define_variable ($var, ('`if test -f ' . $full
6140 . '; then echo ' . $full . '; else echo '
6141 . $program . '; fi`'));
6145 &define_variable ($var, $override);
6150 ################################################################
6152 # Read Makefile.am and set up %contents. Simultaneously copy lines
6153 # from Makefile.am into $output_trailer or $output_vars as
6154 # appropriate. NOTE we put rules in the trailer section. We want
6155 # user rules to come after our generated stuff.
6158 local ($amfile) = @_;
6161 open (AM_FILE, $amfile) || die "automake: couldn't open \`$amfile': $!\n";
6162 print "automake: reading $amfile\n" if $verbose;
6164 local ($saw_bk) = 0;
6165 local ($was_rule) = 0;
6166 local ($spacing) = '';
6167 local ($comment) = '';
6168 local ($last_var_name) = '';
6171 # We save the conditional stack on entry, and then check to make
6172 # sure it is the same on exit. This lets us conditonally include
6174 local (@saved_cond_stack) = @conditional_stack;
6178 if (/$IGNORE_PATTERN/o)
6180 # Merely delete comments beginning with two hashes.
6182 elsif (/$WHITE_PATTERN/o)
6184 # Stick a single white line before the incoming macro or rule.
6188 elsif (/$COMMENT_PATTERN/o)
6190 # Stick comments before the incoming macro or rule. Make
6191 # sure a blank line preceeds first block of comments.
6192 $spacing = "\n" unless $blank;
6194 $comment .= $spacing . $_;
6203 $output_vars .= $comment . "\n";
6207 local ($is_ok_macro);
6211 unless substr ($_, -1, 1) eq "\n";
6213 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6214 # used by users. @MAINT@ is an anachronism now.
6215 $_ =~ s/\@MAINT\@//g
6216 unless $seen_maint_mode;
6218 if (/$IGNORE_PATTERN/o)
6220 # Merely delete comments beginning with two hashes.
6222 elsif (/$WHITE_PATTERN/o)
6224 # Stick a single white line before the incoming macro or rule.
6226 &am_line_error ($., "blank line following trailing backslash")
6229 elsif (/$COMMENT_PATTERN/o)
6231 # Stick comments before the incoming macro or rule.
6232 $comment .= $spacing . $_;
6234 &am_line_error ($., "comment following trailing backslash")
6241 $output_trailer .= join ('', @conditional_stack) . $_;
6247 $contents{$last_var_name} .= ' '
6248 unless $contents{$last_var_name} =~ /\s$/;
6249 $contents{$last_var_name} .= $_;
6250 if (@conditional_stack)
6252 $conditional{$last_var_name} .= "e_cond_val ($_);
6256 elsif (/$IF_PATTERN/o)
6258 &am_line_error ($., "$1 does not appear in AM_CONDITIONAL")
6259 if (! $configure_cond{$1});
6260 push (@conditional_stack, "\@" . $1 . "_TRUE\@");
6262 elsif (/$ELSE_PATTERN/o)
6264 if (! @conditional_stack)
6266 &am_line_error ($., "else without if");
6268 elsif ($conditional_stack[$#conditional_stack] =~ /_FALSE\@$/)
6270 &am_line_error ($., "else after else");
6274 $conditional_stack[$#conditional_stack]
6275 =~ s/_TRUE\@$/_FALSE\@/;
6278 elsif (/$ENDIF_PATTERN/o)
6280 if (! @conditional_stack)
6282 &am_line_error ($., "endif without if");
6286 pop @conditional_stack;
6289 elsif (/$RULE_PATTERN/o)
6293 if (defined $contents{$1}
6294 && (@conditional_stack
6295 ? ! defined $conditional{$1}
6296 : defined $conditional{$1}))
6299 "$1 defined both conditionally and unconditionally");
6301 # Value here doesn't matter; for targets we only note
6305 local ($cond_string) = join ('', @conditional_stack);
6306 if (@conditional_stack)
6308 if ($conditional{$1})
6310 &check_ambiguous_conditional ($1, $cond_string);
6311 $conditional{$1} .= ' ';
6315 $conditional{$1} = '';
6317 $conditional{$1} .= $cond_string . ' 1';
6319 $content_lines{$1} = $.;
6320 $output_trailer .= $comment . $spacing . $cond_string . $_;
6321 $comment = $spacing = '';
6324 # Check the rule for being a suffix rule. If so, store in
6327 local ($source_suffix);
6328 local ($object_suffix);
6330 if (($source_suffix, $object_suffix) = ($1 =~ $SUFFIX_RULE_PATTERN))
6332 $suffix_rules{$source_suffix} = $object_suffix;
6333 print "Sources ending in .$source_suffix become .$object_suffix\n" if $verbose;
6334 $source_suffix_pattern = "(" . join ('|', keys %suffix_rules) . ")";
6337 # FIXME: make sure both suffixes are in SUFFIXES? Or set
6338 # SUFFIXES from suffix_rules?
6340 elsif (($is_ok_macro = /$MACRO_PATTERN/o)
6341 || /$BOGUS_MACRO_PATTERN/o)
6343 # Found a macro definition.
6345 $last_var_name = $1;
6346 if (defined $contents{$1}
6347 && (@conditional_stack
6348 ? ! defined $conditional{$1}
6349 : defined $conditional{$1}))
6352 "$1 defined both conditionally and unconditionally");
6355 if ($3 ne '' && substr ($3, -1) eq "\\")
6357 # We preserve the `\' because otherwise the long lines
6358 # that are generated will be truncated by broken
6368 if (! defined $contents{$last_var_name})
6370 # The first assignment to a macro sets the line
6371 # number. Ideally I suppose we would associate line
6372 # numbers with random bits of text.
6373 $content_lines{$last_var_name} = $.;
6375 # If first assignment, set `+=' indicator.
6376 $var_was_plus_eq{$last_var_name} =
6378 && ! defined $am_var_defs{$last_var_name});
6383 if (! defined $contents{$last_var_name}
6384 && defined $am_var_defs{$last_var_name})
6386 $contents{$last_var_name} = $am_var_defs{$last_var_name};
6388 if (substr ($contents{$last_var_name}, -1) eq "\n")
6390 # Insert a backslash before a trailing newline.
6391 $contents{$last_var_name}
6392 = substr ($contents{$last_var_name}, 0, -1) . "\\\n";
6394 $contents{$last_var_name} .= ' ' . $value;
6398 $contents{$last_var_name} = $value;
6400 local ($cond_string) = join ('', @conditional_stack);
6401 if (@conditional_stack)
6405 if ($conditional{$last_var_name})
6409 # If we're adding to the conditional, and it
6410 # exists, then we might want to simply replace
6411 # the old value with the new one.
6412 local (@new_vals, @cond_vals);
6413 @cond_vals = split (' ', $conditional{$last_var_name});
6416 local ($vcond) = shift (@cond_vals);
6417 push (@new_vals, $vcond);
6418 if (&conditional_same ($vcond, $cond_string))
6421 $val = (&unquote_cond_val (shift (@cond_vals))
6423 push (@new_vals, "e_cond_val ($val));
6427 push (@new_vals, shift (@cond_vals));
6432 $conditional{$last_var_name}
6433 = join (' ', @new_vals);
6439 &check_ambiguous_conditional ($last_var_name,
6441 $conditional{$last_var_name} .= ' ';
6447 $conditional{$last_var_name} = '';
6448 $val = $contents{$last_var_name};
6452 $conditional{$last_var_name} .= ($cond_string
6454 . "e_cond_val ($val));
6458 # FIXME: this doesn't always work correctly; it will group
6459 # all comments for a given variable, no matter where
6461 $am_vars{$last_var_name} = $comment . $spacing;
6462 $def_type{$last_var_name} = ($type eq ':') ? ':' : '';
6463 push (@var_list, $last_var_name);
6464 $comment = $spacing = '';
6468 &am_line_error ($., "bad macro name \`$last_var_name'")
6471 elsif (/$INCLUDE_PATTERN/o)
6475 if ($path =~ s/^\$\(top_srcdir\)\///)
6477 push (@include_stack, "\$\(top_srcdir\)/$path");
6481 $path =~ s/\$\(srcdir\)\///;
6482 push (@include_stack, "\$\(srcdir\)/$path");
6483 $path = $relative_dir . "/" . $path;
6485 &read_am_file ($path);
6489 # This isn't an error; it is probably a continued rule.
6490 # In fact, this is what we assume.
6492 $output_trailer .= ($comment . $spacing
6493 . join ('', @conditional_stack) . $_);
6494 $comment = $spacing = '';
6501 $output_trailer .= $comment;
6503 if (join (' ', @saved_cond_stack) ne join (' ', @conditional_stack))
6505 if (@conditional_stack)
6507 &am_error ("unterminated conditionals: " . join (' ', @conditional_stack));
6511 # FIXME: better error message here.
6512 &am_error ("conditionals not nested in include file");
6517 # A helper for read_main_am_file which initializes configure variables
6518 # and variables from header-vars.am. This is a subr so we can call it
6520 sub define_standard_variables
6522 # Compute relative location of the top object directory.
6523 local (@topdir) = ();
6524 foreach (split (/\//, $relative_dir))
6526 next if $_ eq '.' || $_ eq '';
6533 push (@topdir, '..');
6536 @topdir = ('.') if ! @topdir;
6538 $top_builddir = join ('/', @topdir);
6540 ($build_rx = $top_builddir) =~ s/(\W)/\\$1/g;
6541 $output_vars .= &file_contents_with_transform
6542 ('s/\@top_builddir\@/' . $build_rx . '/g;',
6545 # Generate some useful variables when AC_CANONICAL_* used. FIXME:
6546 # this should use generic %configure_vars method.
6547 if ($seen_canonical)
6549 local ($curs, %vars);
6550 $vars{'host_alias'} = 'host_alias';
6551 $vars{'host_triplet'} = 'host';
6552 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
6554 $vars{'build_alias'} = 'build_alias';
6555 $vars{'build_triplet'} = 'build';
6556 $vars{'target_alias'} = 'target_alias';
6557 $vars{'target_triplet'} = 'target';
6559 foreach $curs (sort keys %vars)
6561 $output_vars .= "$curs = \@$vars{$curs}\@\n";
6562 $contents{$curs} = "\@$vars{$curs}\@";
6567 foreach $curs (sort keys %configure_vars)
6569 &define_configure_variable ($curs);
6573 # Read main am file.
6574 sub read_main_am_file
6576 local ($amfile) = @_;
6578 # The keys here are variables we want to dump at the end of this
6579 # function. The values are corresponding comments.
6580 local (%am_vars) = ();
6581 local (@var_list) = ();
6582 local (%def_type) = ();
6584 # This supports the strange variable tricks we are about to play.
6585 if (scalar keys %contents > 0)
6587 print STDERR "automake: programming error: variable defined before read_main_am_file\n";
6591 # We want to predefine as many variables as possible. This lets
6592 # the user set them with `+=' in Makefile.am. However, we don't
6593 # want these initial definitions to end up in the output quite
6594 # yet. So we adopt a hack: read the `.am' file twice, throwing
6595 # away the output the first time. We also squirrel away a list of
6596 # all the variables defined by the .am file so that we know which
6597 # ones to remove from the content list.
6600 &define_standard_variables;
6601 local (%saved_contents) = %contents;
6603 # Read user file, but discard text of variable assignments we just
6606 &read_am_file ($amfile);
6608 # Now dump the variables that were defined. We do it in the same
6609 # order in which they were defined (skipping duplicates).
6611 foreach $curs (@var_list)
6613 next if $done{$curs};
6616 $output_vars .= $am_vars{$curs};
6617 if ($conditional{$curs})
6619 local (@cond_vals) = split (' ', $conditional{$curs});
6622 local ($vcond) = shift (@cond_vals);
6623 local ($val) = &unquote_cond_val (shift (@cond_vals));
6624 $output_vars .= ($vcond . $curs . ' '
6625 . $def_type{$curs} . "= ");
6627 foreach $line (split ("\n", $val))
6629 $output_vars .= $vcond . $line . "\n";
6631 $output_vars .= "\n"
6637 $output_vars .= ($curs . ' ' . $def_type{$curs} . '= '
6638 . $contents{$curs} . "\n");
6642 # Generate copyright header for generated Makefile.in.
6643 local ($ov) = $output_vars;
6644 $output_vars = ("# $in_file_name generated automatically by automake "
6645 . $VERSION . " from $am_file_name\n");
6646 $output_vars .= $gen_copyright;
6648 # Now go through and delete all the variables that the user did
6651 foreach $var (keys %saved_contents)
6653 if ($contents{$var} eq $saved_contents{$var})
6655 delete $contents{$var};
6659 # Re-read the standard variables, and this time keep their
6660 # contributions to the output. Then add the user's output to the
6662 &define_standard_variables;
6663 $output_vars .= $ov;
6667 ################################################################
6669 sub initialize_global_constants
6671 # Values for AC_CANONICAL_*
6672 $AC_CANONICAL_HOST = 1;
6673 $AC_CANONICAL_SYSTEM = 2;
6675 # Associative array of standard directory names. Entry is TRUE if
6676 # corresponding directory should be installed during
6677 # 'install-exec' phase.
6695 # Commonly found files we look for and automatically include in
6699 'README', 'THANKS', 'TODO', 'NEWS', 'COPYING', 'COPYING.LIB',
6700 'INSTALL', 'ABOUT-NLS', 'ChangeLog', 'configure.ac',
6701 'configure.in', 'configure', 'config.guess', 'config.sub',
6702 'AUTHORS', 'BACKLOG', 'ABOUT-GNU', 'libversion.in',
6703 'mdate-sh', 'mkinstalldirs', 'install-sh', 'texinfo.tex',
6704 'ansi2knr.c', 'ansi2knr.1', 'elisp-comp',
6705 # ltconfig appears here for compatibility with old versions
6707 'ylwrap', 'acinclude.m4', @libtoolize_files, @libtoolize_sometimes,
6708 'missing', 'depcomp', 'compile', 'py-compile'
6711 # Commonly used files we auto-include, but only sometimes.
6714 'aclocal.m4', 'acconfig.h', 'config.h.top',
6715 'config.h.bot', 'stamp-h.in', 'stamp-vti'
6719 -a, --add-missing add missing standard files to package
6720 --amdir=DIR directory storing config files
6721 -c, --copy with -a, copy missing files (default is symlink)
6722 --cygnus assume program is part of Cygnus-style tree
6723 --force-missing force update of standard files
6724 --foreign set strictness to foreign
6725 --gnits set strictness to gnits
6726 --gnu set strictness to gnu
6727 --help print this help, then exit
6728 -i, --ignore-deps disable dependency tracking code
6729 --include-deps enable dependency tracking code
6730 --no-force only update Makefile.in's that are out of date
6731 -o DIR, --output-dir=DIR
6732 put generated Makefile.in's into DIR
6733 -v, --verbose verbosely list files processed
6734 --version print version number, then exit\n";
6736 # Copyright on generated Makefile.ins.
6738 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000
6739 # Free Software Foundation, Inc.
6740 # This Makefile.in is free software; the Free Software Foundation
6741 # gives unlimited permission to copy and/or distribute it,
6742 # with or without modifications, as long as this notice is preserved.
6744 # This program is distributed in the hope that it will be useful,
6745 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
6746 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
6747 # PARTICULAR PURPOSE.
6750 # This complex find command will try to avoid changing the modes of
6751 # links into the source tree, in case they're hard-linked. It will
6752 # also make directories writable by everybody, because some
6753 # brain-dead tar implementations change ownership and permissions of
6754 # a directory before extracting the files, thus becoming unable to
6756 # Ignore return result from chmod, because it might give an error
6757 # if we chmod a symlink.
6758 # Another nastiness: if the file is unreadable by us, we make it
6759 # readable regardless of the number of links to it. This only
6760 # happens in perverse cases.
6761 # We use $(install_sh) because that is a known-portable way to
6762 # modify the file in place in the source tree.
6763 $dist_header = ' -find $(distdir) -type d ! -perm -777 -exec chmod a+rwx {} \; -o \\
6764 ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \\
6765 ! -type d ! -perm -400 -exec chmod a+r {} \; -o \\
6766 ! -type d ! -perm -444 -exec $(SHELL) $(install_sh) -c -m a+r {} {} \; \\
6767 || chmod -R a+r $(distdir)
6769 $dist{'dist-bzip2'} = ("\t"
6770 . '$(AMTAR) chof - $(distdir) | bzip2 -9 -c > $(distdir).tar.bz2'
6772 $dist{'dist-tarZ'} = ("\t"
6773 . '$(AMTAR) chof - $(distdir) | compress -c > $(distdir).tar.Z'
6775 $dist{'dist-shar'} = ("\t"
6776 . 'shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c > $(distdir).shar.gz'
6778 $dist{'dist-zip'} = ("\t" . '-rm -f $(distdir).zip' . "\n" .
6779 "\t" . 'zip -rq $(distdir).zip $(distdir)' . "\n");
6781 # Note that we don't use GNU tar's `-z' option. One reason (but
6782 # not the only reason) is that some versions of tar (e.g., OSF1)
6783 # interpret `-z' differently.
6784 $dist{'dist'} = ("\t"
6785 . '$(AMTAR) chof - $(distdir) | GZIP=$(GZIP_ENV) gzip -c > $(distdir).tar.gz'
6787 $dist_trailer = "\t" . '-chmod -R a+w $(distdir) > /dev/null 2>&1; rm -rf $(distdir)' . "\n";
6790 # (Re)-Initialize per-Makefile.am variables.
6791 sub initialize_per_input
6793 # These two variables are used when generating each Makefile.in.
6794 # They hold the Makefile.in until it is ready to be printed.
6797 $output_trailer = '';
6799 $output_header = '';
6801 # Suffixes found during a run.
6804 # This holds the contents of a Makefile.am, as parsed by
6808 # This holds the names which are targets. These also appear in
6812 # This maps a variable name onto a flag. The flag is true iff the
6813 # variable was first defined with `+='.
6814 %var_was_plus_eq = ();
6816 # This holds definitions of all variables defined in .am files.
6817 # This is used during startup to determine which variables can be
6818 # assigned with `+='.
6821 # For a variable or target which is defined conditionally, this
6822 # holds an array of the conditional values. The array is composed
6823 # of pairs of condition strings (the variables which configure
6824 # will substitute) and values (the value of a target is
6825 # meaningless). For an unconditional variable, this is empty.
6828 # This holds the line numbers at which various elements of
6829 # %contents are defined.
6830 %content_lines = ();
6832 # This holds a 1 if a particular variable was examined.
6835 # This is the conditional stack.
6836 @conditional_stack = ();
6838 # This holds the set of included files.
6839 @include_stack = ();
6841 # This holds the "relative directory" of the current Makefile.in.
6842 # Eg for src/Makefile.in, this is "src".
6845 # This holds a list of files that are included in the
6849 # List of dependencies for the obvious targets.
6865 # A list of files deleted by `maintainer-clean'.
6866 @maintainer_clean_files = ();
6868 # These are pretty obvious, too. They are used to define the
6869 # SOURCES and OBJECTS variables.
6872 # Sources which go in the distribution.
6875 # This hash maps object file names onto their corresponding source
6876 # file names. This is used to ensure that each object is created
6877 # by a single source file.
6880 # This keeps track of the directories for which we've already
6881 # created `.dirstamp' code.
6882 %directory_map = ();
6884 # These variables track inclusion of various compile-related .am
6885 # files. $included_generic_compile is TRUE if the basic code has
6886 # been included. $included_knr_compile is TRUE if the ansi2knr
6887 # code has been included. $included_libtool_compile is TRUE if
6888 # libtool support has been included.
6889 $included_generic_compile = 0;
6890 $included_knr_compile = 0;
6891 $included_libtool_compile = 0;
6893 # TRUE if install targets should work recursively.
6894 $recursive_install = 0;
6899 # Strictness levels.
6900 $strictness = $default_strictness;
6901 $strictness_name = $default_strictness_name;
6903 # Options from AUTOMAKE_OPTIONS.
6906 # Whether or not dependencies are handled. Can be further changed
6907 # in handle_options.
6908 $use_dependencies = $cmdline_use_dependencies;
6911 $local_maint_charset = $maint_charset;
6913 # All yacc and lex source filenames for this directory. Use
6914 # filenames instead of raw count so that multiple instances are
6915 # counted correctly (eg one yacc file can appear in multiple
6916 # programs without harm).
6920 # This is a list of all targets to run during "make dist".
6923 # Keys in this hash are the basenames of files which must depend
6925 %de_ansi_files = ();
6927 # This maps the source extension of a suffix rule to its
6928 # corresponding output extension.
6931 # This is a regular expression which matches all the known source
6932 # suffix. A source suffix is one that appears in the first
6933 # position of a suffix rule.
6934 $source_suffix_pattern = '';
6936 # This is the name of the recursive `all' target to use.
6937 $all_target = 'all-recursive';
6939 # This keeps track of which extensions we've seen (that we care
6941 %extension_seen = ();
6943 # This is random scratch space for the language finish functions.
6944 # Don't randomly overwrite it; examine other uses of keys first.
6945 %language_scratch = ();
6947 # We keep track of which objects need special (per-executable)
6948 # handling on a per-language basis.
6949 %lang_specific_files = ();
6951 # This is set when `handle_dist' has finished. Once this happens,
6952 # we should no longer push on dist_common.
6953 $handle_dist_run = 0;
6955 # True if we need `LINK' defined. This is a hack.
6960 ################################################################
6962 # Return contents of a file from $am_dir, automatically skipping
6963 # macros or rules which are already known. Runs command on each line
6964 # as it is read; this command can modify $_.
6965 sub file_contents_with_transform
6967 local ($command, $basename) = @_;
6968 local ($file) = $am_dir . '/' . $basename . '.am';
6970 if ($command ne '' && substr ($command, -1) ne ';')
6972 die "automake: programming error in file_contents_with_transform: $command\n";
6975 open (FC_FILE, $file)
6976 || die "automake: installation error: cannot open \`$file'\n";
6978 # print "automake: reading $file\n" if $verbose;
6980 local ($was_rule) = 0;
6981 local ($result_vars) = '';
6982 local ($result_rules) = '';
6983 local ($comment) = '';
6984 local ($spacing) = "\n";
6985 local ($skipping) = 0;
6990 $_ =~ s/\@MAINTAINER_MODE_TRUE\@//g
6991 unless $seen_maint_mode;
6993 $had_chars = length ($_) && $_ ne "\n";
6995 # If the transform caused all the characters to go away, then
6996 # ignore the line. Why do this? Because in Perl 4, a "next"
6997 # inside of an eval doesn't affect a loop outside the eval.
6998 # So we can't pass in a "transform" that uses next. We used
6999 # to do this. "Empty" also means consisting of a single
7001 next if $had_chars && ($_ eq '' || $_ eq "\n");
7003 if (/$IGNORE_PATTERN/o)
7005 # Merely delete comments beginning with two hashes.
7007 elsif (/$WHITE_PATTERN/o)
7009 # Stick a single white line before the incoming macro or rule.
7011 &am_line_error ($., "blank line following trailing backslash")
7014 elsif (/$COMMENT_PATTERN/o)
7016 # Stick comments before the incoming macro or rule.
7017 $comment .= $spacing . $_;
7019 &am_line_error ($., "comment following trailing backslash")
7026 $result_rules .= $_ if ! $skipping;
7030 $result_vars .= $_ if ! $skipping;
7034 elsif (/$RULE_PATTERN/o)
7038 $skipping = defined $contents{$1};
7039 $result_rules .= $comment . $spacing . $_ if ! $skipping;
7040 $comment = $spacing = '';
7043 elsif (/$MACRO_PATTERN/o)
7045 # Found a variable reference.
7047 $skipping = defined $contents{$1};
7048 $result_vars .= $comment . $spacing . $_ if ! $skipping;
7049 $comment = $spacing = '';
7051 print STDERR "automake: programming error: .am macro \`$1' with trailing backslash at $file:$.\n"
7053 $am_var_defs{$1} = $3;
7057 # This isn't an error; it is probably a continued rule.
7058 # In fact, this is what we assume.
7060 $result_rules .= $comment . $spacing . $_ if ! $skipping;
7061 $comment = $spacing = '';
7067 return $result_vars . $result_rules . $comment;
7070 # Like file_contents_with_transform, but no transform.
7073 return &file_contents_with_transform ('', @_);
7076 # &transform (%PAIRS)
7077 # -------------------
7078 # Create a replacement expression suitable for file_contents_with_transform
7079 # to replace each key of %PAIRS by its value.
7082 local (%pairs) = @_;
7083 local ($result) = '';
7086 foreach $pattern (sort keys %pairs)
7088 ($quoted = $pairs{$pattern}) =~ s/(\W)/\\$1/g;
7089 $result .= 's,\@' . $pattern . '\@,' . $quoted . ',g;';
7094 # Find all variable prefixes that are used for install directories. A
7095 # prefix `zar' qualifies iff:
7096 # * `zardir' is a variable.
7097 # * `zar_PRIMARY' is a variable.
7098 sub am_primary_prefixes
7100 local ($primary, $can_dist, @prefixes) = @_;
7102 local (%valid, $varname);
7103 grep ($valid{$_} = 0, @prefixes);
7104 $valid{'EXTRA'} = 0;
7105 foreach $varname (keys %contents)
7107 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_$primary$/)
7109 if (($2 ne '' && ! $can_dist)
7110 || (! defined $valid{$3} && ! &variable_defined ($3 . 'dir')))
7112 # Note that a configure variable is always legitimate.
7113 # It is natural to name such variables after the
7114 # primary, so we explicitly allow it.
7115 if (! defined $configure_vars{$varname})
7117 &am_line_error ($varname, "invalid variable \`$varname'");
7122 # Ensure all extended prefixes are actually used.
7123 $valid{$1 . $2 . $3} = 1;
7131 # Handle `where_HOW' variable magic. Does all lookups, generates
7132 # install code, and possibly generates code to define the primary
7133 # variable. The first argument is the name of the .am file to munge,
7134 # the second argument is the primary variable (eg HEADERS), and all
7135 # subsequent arguments are possible installation locations. Returns
7136 # list of all values of all _HOW targets.
7138 # FIXME: this should be rewritten to be cleaner. It should be broken
7139 # up into multiple functions.
7141 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7146 local ($do_clean) = 0;
7147 local ($do_require) = 1;
7148 local ($can_dist) = 0;
7149 local ($default_dist) = 0;
7152 if (defined $configure_vars{'LIBTOOL'})
7154 # Transform '@LIBTOOL ...@' to '$(LIBTOOL) ...'
7155 $ltxform = 's/\@LIBTOOL([^\@]*)\@/\$(LIBTOOL) $1/;';
7159 # Delete '@LIBTOOL ...@'
7160 $ltxform = 's/\@LIBTOOL([^\@]*)\@//;';
7166 $cygxform = 's/\@EXEEXT\@//g;';
7170 $cygxform = 's/\@EXEEXT\@/\$(EXEEXT)/g;';
7175 if ($args[0] eq '-clean')
7179 elsif ($args[0] eq '-noextra')
7183 elsif ($args[0] eq '-candist')
7187 elsif ($args[0] eq '-defaultdist')
7192 elsif ($args[0] !~ /^-/)
7199 local ($file, $primary, @prefixes) = @args;
7202 local (@result) = ();
7204 # Now that configure substitutions are allowed in where_HOW
7205 # variables, it is an error to actually define the primary. We
7206 # allow `JAVA', as it is customarily used to mean the Java
7207 # interpreter. This is but one of several Java hacks. Similarly,
7208 # `PYTHON' is customarily used to mean the Python interpreter.
7209 &am_line_error ($primary, "\`$primary' is an anachronism")
7210 if &variable_defined ($primary)
7211 && ($primary ne 'JAVA' && $primary ne 'PYTHON');
7214 # Look for misspellings. It is an error to have a variable ending
7215 # in a "reserved" suffix whose prefix is unknown, eg
7216 # "bni_PROGRAMS". However, unusual prefixes are allowed if a
7217 # variable of the same name (with "dir" appended) exists. For
7218 # instance, if the variable "zardir" is defined, then
7219 # "zar_PROGRAMS" becomes valid. This is to provide a little extra
7220 # flexibility in those cases which need it.
7221 local (%valid) = &am_primary_prefixes ($primary, $can_dist, @prefixes);
7223 # If a primary includes a configure substitution, then the EXTRA_
7224 # form is required. Otherwise we can't properly do our job.
7225 local ($require_extra);
7226 local ($warned_about_extra) = 0;
7228 local ($clean_file) = $file . '-clean';
7231 local ($nodir_name);
7232 local ($strip_subdir) = 1;
7233 foreach $X (sort keys %valid)
7235 $one_name = $X . '_' . $primary;
7236 if (&variable_defined ($one_name))
7238 # If subdir prefix should be preserved, do so.
7239 if ($X =~ /^nobase_/)
7245 # If files should be distributed, do so.
7248 if (($default_dist && $one_name !~ /^nodist_/)
7249 || (! $default_dist && $one_name =~ /^dist_/))
7251 &push_dist_common ('$(' . $one_name . ')');
7253 ($nodir_name = $X) =~ s/^(dist|nodist)_//;
7260 # Append actual contents of where_PRIMARY variable to
7263 foreach $rcurs (&variable_value_as_list ($one_name, 'all'))
7265 # Skip configure substitutions. Possibly bogus.
7266 if ($rcurs =~ /^\@.*\@$/)
7270 if (! $warned_about_extra)
7272 $warned_about_extra = 1;
7274 &am_line_error ($one_name,
7275 "\`$one_name' contains configure substitution, but shouldn't");
7279 # Check here to make sure variables defined in
7280 # configure.ac do not imply that EXTRA_PRIMARY
7282 elsif (! defined $configure_vars{$one_name})
7284 $require_extra = $one_name
7291 push (@result, $rcurs);
7294 # A blatant hack: we rewrite each _PROGRAMS primary to
7295 # include EXEEXT when in Cygwin32 mode.
7296 if ($seen_exeext && $primary eq 'PROGRAMS')
7298 local (@conds) = &variable_conditions ($one_name);
7299 local (@one_binlist);
7301 # FIXME: this definitely loses aesthetically; it
7302 # redefines $ONE_NAME. Instead we should arrange for
7303 # variable definitions to be output later, instead of
7309 foreach $rcurs (&variable_value_as_list ($one_name, ''))
7311 if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
7313 push (@one_binlist, $rcurs);
7317 push (@one_binlist, $rcurs . '$(EXEEXT)');
7321 delete $contents{$one_name};
7322 &define_pretty_variable ($one_name, '', @one_binlist);
7327 local ($condvals) = '';
7328 foreach $cond (@conds)
7331 local (@condval) = &variable_value_as_list ($one_name,
7333 foreach $rcurs (@condval)
7335 if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
7337 push (@one_binlist, $rcurs);
7341 push (@one_binlist, $rcurs . '$(EXEEXT)');
7345 push (@condvals, $cond);
7346 push (@condvals, join (' ', @one_binlist));
7349 delete $contents{$one_name};
7353 $cond = shift (@condvals);
7354 local (@val) = split (' ', shift (@condvals));
7355 &define_pretty_variable ($one_name, $cond, @val);
7360 # "EXTRA" shouldn't be used when generating clean targets,
7361 # all, or install targets.
7364 # We used to warn if EXTRA_FOO was defined uselessly,
7365 # but this was annoying.
7372 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/go;'
7376 push (@clean, $X . $primary);
7377 &push_phony_cleaners ($X . $primary);
7382 push (@check, '$(' . $one_name . ')');
7386 push (@used, '$(' . $one_name . ')');
7388 if ($X eq 'noinst' || $X eq 'check')
7390 # Objects which don't get installed by default.
7394 local ($subdir_xform);
7397 $subdir_xform = 's/^NOBASE.*$//; s/^BASE//;';
7401 $subdir_xform = 's/^BASE.*$//; s/^NOBASE//;';
7405 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/g;'
7406 . 's/\@NDIR\@/' . $nodir_name . '/go;'
7407 . $ltxform . $cygxform
7411 push (@uninstall, 'uninstall-' . $X . $primary);
7412 push (@phony, 'uninstall-' . $X . $primary);
7413 push (@installdirs, '$(DESTDIR)$(' . $X . 'dir)');
7414 if (defined $exec_dir_p{$X} ? $exec_dir_p{$X} : ($X =~ /exec/))
7416 push (@install_exec, 'install-' . $X . $primary);
7417 push (@phony, 'install-' . $X . $primary);
7421 push (@install_data, 'install-' . $X . $primary);
7422 push (@phony, 'install-' . $X . $primary);
7427 # The JAVA variable is used as the name of the Java interpreter.
7428 # The PYTHON variable is used as the name of the Python interpreter.
7429 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7432 &define_pretty_variable ($primary, '', @used);
7433 $output_vars .= "\n";
7436 if ($require_extra && ! &variable_defined ('EXTRA_' . $primary))
7438 &am_line_error ($require_extra,
7439 "\`$require_extra' contains configure substitution, but \`EXTRA_$primary' not defined");
7442 # Push here because PRIMARY might be configure time determined.
7443 push (@all, '$(' . $primary . ')')
7444 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7446 # Make the result unique. This lets the user use conditionals in
7447 # a natural way, but still lets us program lazily -- we don't have
7448 # to worry about handling a particular object more than once.
7449 local (%uniquify) = ();
7450 grep ($uniquify{$_} = 1, @result);
7451 return sort keys %uniquify;
7455 ################################################################
7457 # Each key in this hash is the name of a directory holding a
7458 # Makefile.in. These variables are local to `is_make_dir'.
7465 if (! $make_dirs_set)
7467 foreach $iter (@configure_input_files)
7469 $make_dirs{&dirname ($iter)} = 1;
7471 # We also want to notice Makefile.in's.
7472 foreach $iter (@other_input_files)
7474 if ($iter =~ /Makefile\.in$/)
7476 $make_dirs{&dirname ($iter)} = 1;
7481 return defined $make_dirs{$dir};
7484 ################################################################
7486 # This variable is local to the "require file" set of functions.
7487 @require_file_paths = ();
7489 # If a file name appears as a key in this hash, then it has already
7490 # been checked for. This variable is local to the "require file"
7492 %require_file_found = ();
7494 # See if we want to push this file onto dist_common. This function
7495 # encodes the rules for deciding when to do so.
7496 sub maybe_push_required_file
7498 local ($dir, $file, $fullfile) = @_;
7500 # FIXME: Once again, special-case `.'.
7501 if ($dir eq $relative_dir || $dir eq '.')
7503 &push_dist_common ($file);
7505 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7507 # If we are doing the topmost directory, and the file is in a
7508 # subdir which does not have a Makefile, then we distribute it
7510 &push_dist_common ($fullfile);
7514 # Verify that the file must exist in the current directory. Usage:
7515 # require_file (isconfigure, line_number, strictness, file) strictness
7516 # is the strictness level at which this file becomes required. Must
7517 # set require_file_paths before calling this function.
7518 # require_file_paths is set to hold a single directory (the one in
7519 # which the first file was found) before return.
7520 sub require_file_internal
7522 local ($is_configure, $line, $mystrict, @files) = @_;
7523 local ($file, $fullfile);
7524 local ($found_it, $dangling_sym, $errfile, $errdir);
7527 foreach $file (@files)
7529 # If we've already looked for it, we're done.
7530 next if defined $require_file_found{$file};
7531 $require_file_found{$file} = 1;
7535 foreach $dir (@require_file_paths)
7539 $fullfile = $relative_dir . "/" . $file;
7540 $errdir = $relative_dir unless $errdir;
7544 $fullfile = $dir . "/" . $file;
7545 $errdir = $dir unless $errdir;
7548 # Use different name for "error filename". Otherwise on
7549 # an error the bad file will be reported as eg
7550 # `../../install-sh' when using the default
7552 $errfile = $errdir . '/' . $file;
7554 if (-l $fullfile && ! -f readlink ($fullfile))
7559 elsif (-f $fullfile)
7562 &maybe_push_required_file ($dir, $file, $fullfile);
7568 if ($found_it && ! $force_missing)
7570 # Prune the path list.
7571 @require_file_paths = $save_dir;
7575 if ($strictness >= $mystrict)
7577 if ($dangling_sym && ($force_missing || $add_missing))
7582 local ($trailer) = '';
7583 local ($suppress) = 0;
7585 # Only install missing files according to our desired
7587 local ($message) = "required file \`$errfile' not found";
7592 # Maybe run libtoolize.
7593 local @syslist = ('libtoolize', '--automake');
7594 push @syslist, '--copy'
7597 && grep ($_ eq $file, @libtoolize_files)
7598 && system (@syslist))
7600 $message = "installing \`$errfile'";
7602 $trailer = "; cannot run \`libtoolize': $!";
7604 elsif (-f ($am_dir . '/' . $file))
7606 # Install the missing file. Symlink if we
7607 # can, copy if we must. Note: delete the file
7608 # first, in case it is a dangling symlink.
7609 $message = "installing \`$errfile'";
7610 # Windows Perl will hang if we try to delete a
7611 # file that doesn't exist.
7612 unlink ($errfile) if -f $errfile;
7613 if ($symlink_exists && ! $copy_missing)
7615 if (! symlink ($am_dir . '/' . $file, $errfile))
7618 $trailer = "; error while making link: $!";
7621 elsif (system ('cp', $am_dir . '/' . $file, $errfile))
7624 $trailer = "\n error while copying";
7628 &maybe_push_required_file (&dirname ($errfile),
7632 local ($save) = $exit_status;
7635 # FIXME: allow actual file to be specified.
7636 &am_conf_line_error ($configure_ac, $line,
7637 "$message$trailer");
7641 &am_line_error ($line, "$message$trailer");
7643 $exit_status = $save if $suppress;
7649 # Like require_file_with_line, but error messages refer to
7650 # configure.ac, not the current Makefile.am.
7651 sub require_file_with_conf_line
7653 @require_file_paths = '.';
7654 &require_file_internal (1, @_);
7657 sub require_file_with_line
7659 @require_file_paths = '.';
7660 &require_file_internal (0, @_);
7665 @require_file_paths = '.';
7666 &require_file_internal (0, '', @_);
7669 # Require a file that is also required by Autoconf. Looks in
7670 # configuration path, as specified by AC_CONFIG_AUX_DIR.
7671 sub require_config_file
7673 @require_file_paths = @config_aux_path;
7674 &require_file_internal (1, '', @_);
7675 local ($dir) = $require_file_paths[0];
7676 @config_aux_path = @require_file_paths;
7679 $config_aux_dir = '.';
7683 $config_aux_dir = '$(top_srcdir)/' . $dir;
7687 # Assumes that the line number is in Makefile.am.
7688 sub require_conf_file_with_line
7690 @require_file_paths = @config_aux_path;
7691 &require_file_internal (0, @_);
7692 local ($dir) = $require_file_paths[0];
7693 @config_aux_path = @require_file_paths;
7696 $config_aux_dir = '.';
7700 $config_aux_dir = '$(top_srcdir)/' . $dir;
7704 # Assumes that the line number is in configure.ac.
7705 sub require_conf_file_with_conf_line
7707 @require_file_paths = @config_aux_path;
7708 &require_file_internal (1, @_);
7709 local ($dir) = $require_file_paths[0];
7710 @config_aux_path = @require_file_paths;
7713 $config_aux_dir = '.';
7717 $config_aux_dir = '$(top_srcdir)/' . $dir;
7721 ################################################################
7723 # Push a list of files onto dist_common.
7724 sub push_dist_common
7726 local (@files) = @_;
7729 foreach $file (@files)
7731 if (! defined $dist_common{$file})
7733 if ($handle_dist_run)
7736 "automake: programming error: push_dist_common run after handle_dist\n";
7739 $dist_common{$file} = 1;
7744 # Push a list of clean targets onto phony.
7745 sub push_phony_cleaners
7749 foreach $target ('mostly', 'dist', '', 'maintainer-')
7751 push (@phony, $target . 'clean-' . $base);
7758 $strictness_name = $_[0];
7759 if ($strictness_name eq 'gnu')
7763 elsif ($strictness_name eq 'gnits')
7765 $strictness = $GNITS;
7767 elsif ($strictness_name eq 'foreign')
7769 $strictness = $FOREIGN;
7773 die "automake: level \`$strictness_name' not recognized\n";
7778 ################################################################
7780 # Return directory name of file.
7786 ($sub = $file) =~ s,/+[^/]+$,,g;
7787 $sub = '.' if $sub eq $file;
7791 # Return file name of a file.
7797 ($sub = $file) =~s,^.*/+,,g;
7801 # Ensure a file exists.
7806 open (TOUCH, ">> $file");
7810 # Glob something. Do this to avoid indentation screwups everywhere we
7811 # want to glob. Gross!
7818 ################################################################
7820 # Print an error message and set exit status.
7823 warn "automake: ${am_file}.am: ", join (' ', @_), "\n";
7829 local ($symbol, @args) = @_;
7831 if ($symbol && "$symbol" ne '-1')
7833 local ($file) = "${am_file}.am";
7835 if ($symbol =~ /^\d+$/)
7837 # SYMBOL is a line number, so just add the colon.
7838 $file .= ':' . $symbol;
7840 elsif (defined $content_lines{$symbol})
7842 # SYMBOL is a variable defined in Makefile.am, so add the
7843 # line number we saved from there.
7844 $file .= ':' . $content_lines{$symbol};
7846 elsif (defined $configure_vars{$symbol})
7848 # SYMBOL is a variable defined in configure.ac, so add the
7849 # appropriate line number.
7850 $file = $configure_vars{$symbol};
7854 # Couldn't find the line number.
7856 warn $file, ": ", join (' ', @args), "\n";
7865 # Like am_error, but while scanning configure.ac.
7868 # FIXME: can run in subdirs.
7869 warn "automake: $configure_ac: ", join (' ', @_), "\n";
7873 # Error message with line number referring to configure.ac.
7874 sub am_conf_line_error
7876 local ($file, $line, @args) = @_;
7880 warn "$file: $line: ", join (' ', @args), "\n";
7885 &am_conf_error (@args);
7889 # Warning message with line number referring to configure.ac.
7890 # Does not affect exit_status
7891 sub am_conf_line_warning
7893 local ($saved_exit_status) = $exit_status;
7894 &am_conf_line_error (@_);
7895 $exit_status = $saved_exit_status;
7898 # Tell user where our aclocal.m4 is, but only once.
7899 sub keyed_aclocal_warning
7902 warn "automake: macro \`$key' can be generated by \`aclocal'\n";
7905 # Print usage information.
7908 print "Usage: automake [OPTION] ... [Makefile]...\n\n";
7909 print "Generate Makefile.in for autoconf from Makefile.am\n";
7911 print "\nFiles which are automatically distributed, if found:\n";
7912 $~ = "USAGE_FORMAT";
7913 local ($last, $iter, @lcomm);
7915 foreach $iter (sort ((@common_files, @common_sometimes)))
7917 push (@lcomm, $iter) unless $iter eq $last;
7921 local ($one, $two, $three, $four, $i, $max);
7922 $max = int (($#lcomm + 1) / 4);
7924 for ($i = 0; $i < $max; ++$i)
7927 $two = $lcomm[$max + $i];
7928 $three = $lcomm[2 * $max + $i];
7929 $four = $lcomm[3 * $max + $i];
7933 local ($mod) = ($#lcomm + 1) % 4;
7936 $one = $lcomm[$max];
7937 $two = ($mod > 1) ? $lcomm[2 * $max] : '';
7938 $three = ($mod > 2) ? $lcomm[3 * $max] : '';
7939 $four = ($mod > 3) ? $lcomm[4 * $max] : '';
7943 print "\nReport bugs to <bug-automake\@gnu.org>.\n";
7948 format USAGE_FORMAT =
7949 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
7950 $one, $two, $three, $four