5 eval 'exec @PERL@ -S $0 ${1+"$@"}'
8 # automake - create Makefile.in from Makefile.am
9 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
10 # Free Software Foundation, Inc.
12 # This program is free software; you can redistribute it and/or modify
13 # it under the terms of the GNU General Public License as published by
14 # the Free Software Foundation; either version 2, or (at your option)
17 # This program is distributed in the hope that it will be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 # GNU General Public License for more details.
22 # You should have received a copy of the GNU General Public License
23 # along with this program; if not, write to the Free Software
24 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27 # Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
28 # Perl reimplementation by Tom Tromey <tromey@cygnus.com>.
32 # Parameters set by configure. Not to be changed. NOTE: assign
33 # VERSION as string so that eg version 0.30 will print correctly.
34 $VERSION = "@VERSION@";
35 $PACKAGE = "@PACKAGE@";
37 $am_dir = "@datadir@/@PACKAGE@";
40 $IGNORE_PATTERN = "^##([^#].*)?\$";
41 $WHITE_PATTERN = "^[ \t]*\$";
42 $COMMENT_PATTERN = "^#";
43 $RULE_PATTERN = "^([\$a-zA-Z_.][-.a-zA-Z0-9_(){}/\$]*) *:([^=].*|)\$";
44 $SUFFIX_RULE_PATTERN = "^\\.([a-zA-Z0-9]+)\\.([a-zA-Z0-9]+)\$";
45 # Only recognize leading spaces, not leading tabs. If we recognize
46 # leading tabs here then we need to make the reader smarter, because
47 # otherwise it will think rules like `foo=bar; \' are errors.
48 $MACRO_PATTERN = "^ *([A-Za-z0-9_]+)[ \t]*([:+]?)=[ \t]*(.*)\$";
49 $BOGUS_MACRO_PATTERN = "^ *([^ \t]*)[ \t]*([:+]?)=[ \t]*(.*)\$";
50 $GNITS_VERSION_PATTERN = "[0-9]+\\.[0-9]+([a-z]|\\.[0-9]+)?";
51 $IF_PATTERN = "^if[ \t]+\([A-Za-z][A-Za-z0-9_]*\)[ \t]*\(#.*\)?\$";
52 $ELSE_PATTERN = "^else[ \t]*\(#.*\)?\$";
53 $ENDIF_PATTERN = "^endif[ \t]*\(#.*\)?\$";
54 $PATH_PATTERN='(\\w|[/.-])+';
55 # This will pass through anything not of the prescribed form.
56 $INCLUDE_PATTERN = "^include[ \t]+((\\\$\\\(top_srcdir\\\)/${PATH_PATTERN})|(\\\$\\\(srcdir\\\)/${PATH_PATTERN})|([^/\\\$]${PATH_PATTERN}))[ \t]*(#.*)?\$";
58 # Some regular expressions. One reason to put them here is that it
59 # makes indentation work better in Emacs.
60 $AC_CONFIG_AUX_DIR_PATTERN = "AC_CONFIG_AUX_DIR\\(([^)]+)\\)";
61 $AM_INIT_AUTOMAKE_PATTERN = "AM_INIT_AUTOMAKE\\([^,]*,([^,)]+)[,)]";
62 $AM_PACKAGE_VERSION_PATTERN = "^\\s*\\[?([^]\\s]+)\\]?\\s*\$";
63 # Note that there is no AC_PATH_TOOL. But we don't really care.
64 $AC_CHECK_PATTERN = "AC_(CHECK|PATH)_(PROG|PROGS|TOOL)\\(\\[?(\\w+)";
65 $AM_MISSING_PATTERN = "AM_MISSING_PROG\\(\\[?(\\w+)";
66 # Just check for alphanumeric in AC_SUBST. If you do AC_SUBST(5),
68 $AC_SUBST_PATTERN = "AC_SUBST\\(\\[?(\\w+)";
69 $AM_CONDITIONAL_PATTERN = "AM_CONDITIONAL\\((\\w+)";
71 # Constants to define the "strictness" level.
76 # These constants are returned by lang_*_rewrite functions.
77 # LANG_SUBDIR means that the resulting object file should be in a
78 # subdir if the source file is. In this case the file name cannot
79 # have `..' components.
86 # Variables global to entire run.
88 # Variables related to the options.
90 # TRUE if we should always generate Makefile.in.
91 $force_generation = 1;
93 # Strictness level as set on command line.
94 $default_strictness = $GNU;
96 # Name of strictness level, as set on command line.
97 $default_strictness_name = 'gnu';
99 # This is TRUE if automatic dependency generation code should be
100 # included in generated Makefile.in.
101 $cmdline_use_dependencies = 1;
103 # TRUE if in verbose mode.
106 # This holds our (eventual) exit status. We don't actually exit until
107 # we have processed all input files.
110 # From the Perl manual.
111 $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
113 # TRUE if missing standard files should be installed.
116 # TRUE if we should copy missing files; otherwise symlink if possible.
119 # TRUE if we should always update files that we know about.
123 # Variables filled during files scanning.
125 # Name of the top autoconf input: `configure.ac' or `configure.in'.
128 # Files found by scanning configure.ac for LIBOBJS.
131 # True if AM_C_PROTOTYPES appears in configure.ac.
132 $am_c_prototypes = 0;
134 # Names used in AC_CONFIG_HEADER call. @config_fullnames holds the
135 # name which appears in AC_CONFIG_HEADER, colon and all.
136 # @config_names holds the file names. @config_headers holds the '.in'
137 # files. Ordinarily these are similar, but they can be different if
138 # the weird "NAME:FILE" syntax is used.
139 @config_fullnames = ();
141 @config_headers = ();
142 # Line number at which AC_CONFIG_HEADER appears in configure.ac.
143 $config_header_line = 0;
145 # Directory where output files go. Actually, output files are
146 # relative to this directory.
147 $output_directory = '.';
149 # Relative location of top build directory.
152 # List of Makefile.am's to process, and their corresponding outputs.
156 # Complete list of Makefile.am's that exist.
157 @configure_input_files = ();
159 # List of files in AC_OUTPUT without Makefile.am, and their outputs.
160 @other_input_files = ();
161 # Line number at which AC_OUTPUT seen.
164 # List of directories to search for configure-required files. This
165 # can be set by AC_CONFIG_AUX_DIR.
166 @config_aux_path = ('.', '..', '../..');
167 $config_aux_dir = '';
169 # Whether AC_PROG_MAKE_SET has been seen in configure.ac.
172 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
174 # Line number at which AM_GNU_GETTEXT seen.
175 $ac_gettext_line = 0;
177 # Whether ALL_LINGUAS has been seen.
181 # Line number at which it appears.
182 $all_linguas_line = 0;
184 # 1 if AC_PROG_INSTALL seen.
185 $seen_prog_install = 0;
187 # Whether AC_PATH_XTRA has been seen in configure.ac.
190 # TRUE if AC_DECL_YYTEXT was seen.
191 $seen_decl_yytext = 0;
193 # TRUE if we've seen AC_CANONICAL_(HOST|SYSTEM). The presence of
194 # AC_CHECK_TOOL also sets this.
197 # TRUE if we've seen AC_ARG_PROGRAM.
200 # TRUE if we've seen AC_PROG_LIBTOOL.
204 # Files installed by libtoolize.
205 @libtoolize_files = ('ltmain.sh', 'config.guess', 'config.sub');
206 # ltconfig appears here for compatibility with old versions of libtool.
207 @libtoolize_sometimes = ('ltconfig', 'ltcf-c.sh', 'ltcf-cxx.sh',
210 # TRUE if we've seen AM_MAINTAINER_MODE.
211 $seen_maint_mode = 0;
213 # Actual version we've seen.
214 $package_version = '';
216 # Line number where we saw version definition.
217 $package_version_line = 0;
219 # TRUE if we've seen AM_PATH_LISPDIR.
222 # TRUE if we've seen AM_CHECK_PYTHON.
225 # TRUE if we've seen AC_EXEEXT.
228 # TRUE if we've seen AC_OBJEXT.
231 # TRUE if we've seen AC_ENABLE_MULTILIB.
234 # TRUE if we've seen AM_PROG_CC_C_O
237 # TRUE if we've seen AM_INIT_AUTOMAKE.
238 $seen_init_automake = 0;
240 # Hash table of discovered configure substitutions. Keys are names,
241 # values are `FILE:LINE' strings which are used by error message
243 %configure_vars = ();
245 # This is used to keep track of which variable definitions we are
246 # scanning. It is only used in certain limited ways, but it has to be
247 # global. It is declared just for documentation purposes.
250 # Charsets used by maintainer and in distribution. MAINT_CHARSET is
251 # handled in a funny way: if seen in the top-level Makefile.am, it is
252 # used for every directory which does not specify a different value.
253 # The rationale here is that some directories (eg gettext) might be
254 # distributions of other packages, and thus require their own charset
255 # info. However, the DIST_CHARSET must be the same for the entire
256 # package; it can only be set at top-level.
257 # FIXME: this yields bugs when rebuilding. What to do? Always
258 # read (and sometimes discard) top-level Makefile.am?
260 $dist_charset = 'utf8'; # recode doesn't support this yet.
262 # Name of input file ("Makefile.in") and output file ("Makefile.am").
263 # These have no directory components.
267 # TRUE if --cygnus seen.
270 # Hash table of AM_CONDITIONAL variables seen in configure.
271 %configure_cond = ();
273 # Map from obsolete macros to hints for new macros.
274 # If you change this, change the corresponding list in aclocal.in.
275 # FIXME: should just put this into a single file.
278 'AC_FEATURE_CTYPE', "use \`AC_HEADER_STDC'",
279 'AC_FEATURE_ERRNO', "add \`strerror' to \`AC_REPLACE_FUNCS(...)'",
280 'AC_FEATURE_EXIT', '',
281 'AC_SYSTEM_HEADER', '',
283 # Note that we do not handle this one, because it is still run
284 # from AM_CONFIG_HEADER. So we deal with it specially in
285 # &scan_autoconf_files.
286 # 'AC_CONFIG_HEADER', "use \`AM_CONFIG_HEADER'",
288 'fp_C_PROTOTYPES', "use \`AM_C_PROTOTYPES'",
289 'fp_PROG_CC_STDC', "use \`AM_PROG_CC_STDC'",
290 'fp_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
291 'fp_WITH_DMALLOC', "use \`AM_WITH_DMALLOC'",
292 'fp_WITH_REGEX', "use \`AM_WITH_REGEX'",
293 'gm_PROG_LIBTOOL', "use \`AM_PROG_LIBTOOL'",
294 'jm_MAINTAINER_MODE', "use \`AM_MAINTAINER_MODE'",
295 'md_TYPE_PTRDIFF_T', "use \`AM_TYPE_PTRDIFF_T'",
296 'ud_PATH_LISPDIR', "use \`AM_PATH_LISPDIR'",
297 'ud_GNU_GETTEXT', "use \`AM_GNU_GETTEXT'",
299 # Now part of autoconf proper, under a different name.
300 'AM_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
301 'fp_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
302 'AM_SANITY_CHECK_CC', "automatically done by \`AC_PROG_CC'",
303 'AM_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
304 'AM_EXEEXT', "use \`AC_EXEEXT'",
305 'AM_CYGWIN32', "use \`AC_CYGWIN'",
306 'AM_MINGW32', "use \`AC_MINGW32'",
307 'AM_FUNC_MKTIME', "use \`AC_FUNC_MKTIME'",
309 # These aren't quite obsolete.
313 # Regexp to match the above macros.
314 $obsolete_rx = '(\b' . join ('\b|\b', keys %obsolete_macros) . '\b)';
316 # This maps extensions onto language names.
319 # This maps languages names onto properties.
322 # This holds all the files that would go in `dist_common' which we
323 # discovered while scanning configure.ac. We might distribute these
324 # in the top-level Makefile.in.
325 %configure_dist_common = ();
329 # Initialize global constants and our list of languages that are
330 # internally supported.
331 &initialize_global_constants;
333 ®ister_language ('c', 'ansi-p=1', 'autodep=', 'flags=CFLAGS',
334 'compile=$(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
335 'compiler-name=COMPILE',
338 ®ister_language ('cxx', 'linker=CXXLINK', 'autodep=CXX', 'flags=CXXFLAGS',
339 'compile=$(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
340 'compiler-name=CXXCOMPILE',
341 'output-arg=-c -o $@',
342 'c++', 'cc', 'cpp', 'cxx', 'C');
343 ®ister_language ('objc', 'linker=OBJCLINK', 'autodep=OBJC',
345 'compile=$(OBJC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
346 'compiler-name=OBJCCOMPILE',
347 'output-arg=-c -o $@',
349 ®ister_language ('header',
350 'h', 'H', 'hxx', 'h++', 'hh', 'hpp', 'inc');
352 # For now, yacc and lex can't be handled on a per-exe basis.
353 ®ister_language ('yacc', 'ansi-p=1', 'derived-autodep=yes',
355 ®ister_language ('yaccxx', 'linker=CXXLINK', 'derived-autodep=yes',
356 'y++', 'yy', 'yxx', 'ypp');
357 ®ister_language ('lex', 'ansi-p=1', 'derived-autodep=yes',
359 ®ister_language ('lexxx', 'linker=CXXLINK', 'derived-autodep=yes',
360 'l++', 'll', 'lxx', 'lpp');
362 ®ister_language ('asm',
363 'flags=CFLAGS', # FIXME: asmflags?
364 'compile=$(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)', # FIXME: a different compiler?
365 'compiler-name=COMPILE',
369 ®ister_language ('f77', 'linker=F77LINK', 'flags=FFLAGS',
370 'compile=$(F77) $(AM_FFLAGS) $(FFLAGS)',
371 'compiler-name=F77COMPILE',
372 'output-arg=-c -o $@',
374 ®ister_language ('ppf77', 'linker=F77LINK', 'flags=FFLAGS',
375 'compile=$(F77) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
376 'compiler-name=PPF77COMPILE',
377 'output-arg=-c -o $@',
379 ®ister_language ('ratfor', 'linker=F77LINK',
380 'flags=RFLAGS', # FIXME also FFLAGS.
381 'compile=$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
382 'compiler-name=RCOMPILE',
383 'output-arg=-c -o $@',
385 # FIXME: for now we can't do dependency tracking for Java.
387 ®ister_language ('java', 'linker=GCJLINK', 'flags=GCJFLAGS',
388 'compile=$(GCJ) $(DEFS) $(INCLUDES) $(AM_GCJFLAGS) $(GCJFLAGS)',
389 'compiler-name=GCJCOMPILE',
390 'output-arg=-c -o $@',
391 'java', 'class', 'zip', 'jar');
394 # Parse command line.
395 &parse_arguments (@ARGV);
397 # Do configure.ac scan only once.
398 &scan_autoconf_files;
400 die "automake: no \`Makefile.am' found or specified\n"
403 # Now do all the work on each file.
404 foreach $am_file (@input_files)
406 if (! -f ($am_file . '.am'))
408 &am_error ("\`" . $am_file . ".am' does not exist");
412 &generate_makefile ($output_files{$am_file}, $am_file);
416 &am_conf_error ("AC_PROG_INSTALL must be used")
417 if (! $seen_prog_install);
422 ################################################################
425 # prog_error (@PRINT-ME)
426 # ----------------------
427 # Signal a programming error, display PRINT-ME, and exit 1.
430 print STDERR "automake: programming error: @_\n";
435 ################################################################
437 # Parse command line.
440 local (@arglist) = @_;
443 &set_strictness ('gnu');
447 if ($arglist[0] eq "--version")
449 print "automake (GNU $PACKAGE) $VERSION\n\n";
450 print "Copyright 2000 Free Software Foundation, Inc.\n";
451 print "This is free software; see the source for copying conditions. There is NO\n";
452 print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n";
453 print "Written by Tom Tromey <tromey\@cygnus.com>\n";
457 elsif ($arglist[0] eq "--help")
461 elsif ($arglist[0] =~ /^--amdir=(.+)$/)
465 elsif ($arglist[0] eq '--amdir')
467 &require_argument (@arglist);
469 $am_dir = $arglist[0];
471 elsif ($arglist[0] eq '--gnu')
473 &set_strictness ('gnu');
475 elsif ($arglist[0] eq '--gnits')
477 &set_strictness ('gnits');
479 elsif ($arglist[0] eq '--cygnus')
483 elsif ($arglist[0] eq '--foreign')
485 &set_strictness ('foreign');
487 elsif ($arglist[0] eq '--include-deps')
489 $cmdline_use_dependencies = 1;
491 elsif ($arglist[0] eq '--ignore-deps' || $arglist[0] eq '-i')
493 $cmdline_use_dependencies = 0;
495 elsif ($arglist[0] eq '--no-force')
497 $force_generation = 0;
499 elsif ($arglist[0] eq '--force-missing')
503 elsif ($arglist[0] =~ /^--output-dir=(.*)$/)
505 # Set output directory.
506 $output_directory = $1;
508 elsif ($arglist[0] eq '--output-dir' || $arglist[0] eq '-o')
510 &require_argument (@arglist);
512 $output_directory = $arglist[0];
514 elsif ($arglist[0] eq '--add-missing' || $arglist[0] eq '-a')
518 elsif ($arglist[0] eq '--copy' || $arglist[0] eq '-c')
522 elsif ($arglist[0] eq '--verbose' || $arglist[0] eq '-v')
526 elsif ($arglist[0] eq '--')
528 # Stop option processing.
530 push (@input_files, @arglist);
533 elsif ($arglist[0] =~ /^-/)
535 die "automake: unrecognized option -- \`$arglist[0]'\nTry \`automake --help' for more information.\n";
539 # Handle $local:$input syntax. Note that we only examine
540 # the first ":" file to see if it is automake input; the
541 # rest are just taken verbatim. We still keep all the
542 # files around for dependency checking, however.
543 local ($local, $input, @rest) = split (/:/, $arglist[0]);
550 # Strip .in; later on .am is tacked on. That is how
551 # the automake input file is found. Maybe not the
552 # best way, but it is easy to explain. FIXME: should
553 # be error if .in is missing.
556 push (@input_files, $input);
557 $output_files{$input} = join (':', ($local, @rest));
563 # Take global strictness from whatever we currently have set.
564 $default_strictness = $strictness;
565 $default_strictness_name = $strictness_name;
568 # Ensure argument exists, or die.
571 local ($arg, @arglist) = @_;
572 die "automake: no argument given for option \`$arg'\n"
576 ################################################################
578 # Generate a Makefile.in given the name of the corresponding Makefile and
579 # the name of the file output by config.status.
580 sub generate_makefile
582 local ($output, $makefile) = @_;
584 ($am_file_name = $makefile) =~ s/^.*\///;
585 $in_file_name = $am_file_name . '.in';
586 $am_file_name .= '.am';
588 # $OUTPUT is encoded. If it contains a ":" then the first element
589 # is the real output file, and all remaining elements are input
590 # files. We don't scan or otherwise deal with these input file,
591 # other than to mark them as dependencies. See
592 # &scan_autoconf_files for details.
593 local (@secondary_inputs);
594 ($output, @secondary_inputs) = split (/:/, $output);
596 &initialize_per_input;
597 $relative_dir = &dirname ($output);
598 $am_relative_dir = &dirname ($makefile);
600 # At the toplevel directory, we might need config.guess, config.sub
601 # or libtool scripts (ltconfig and ltmain.sh).
602 if ($relative_dir eq '.')
604 # libtool requires some files.
605 &require_conf_file_with_conf_line ($libtool_line, $FOREIGN,
609 # AC_CANONICAL_HOST and AC_CANONICAL_SYSTEM need config.guess and
611 &require_config_file ($FOREIGN, 'config.guess', 'config.sub')
615 # We still need Makefile.in here, because sometimes the `dist'
616 # target doesn't re-run automake.
617 if ($am_relative_dir eq $relative_dir)
619 # Only distribute the files if they are in the same subdir as
620 # the generated makefile.
621 &push_dist_common ($in_file_name, $am_file_name);
624 push (@sources, '$(SOURCES)')
625 if &variable_defined ('SOURCES');
626 push (@objects, '$(OBJECTS)')
627 if &variable_defined ('OBJECTS');
629 &read_main_am_file ($makefile . '.am');
632 # Fatal error. Just return, so we can continue with next file.
636 # Must do this after reading .am file. See read_main_am_file to
637 # understand weird tricks we play there with variables.
638 &define_variable ('subdir', $relative_dir);
640 # Check first, because we might modify some state.
642 &check_gnu_standards;
643 &check_gnits_standards;
645 &handle_configure ($output, $makefile, @secondary_inputs);
652 # This must be run after all the sources are scanned.
655 # Re-init SOURCES and OBJECTS. FIXME: other code shouldn't depend
656 # on this (but currently does).
657 $contents{'SOURCES'} = join (' ', @sources);
658 $contents{'OBJECTS'} = join (' ', @objects);
659 &define_pretty_variable ('DIST_SOURCES', '', @dist_sources);
671 &handle_minor_options;
672 &handle_dependencies;
675 # This must come after most other rules.
676 &handle_dist ($makefile);
679 &handle_merge_targets ($output);
686 if (! -d ($output_directory . '/' . $am_relative_dir))
688 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
691 local ($out_file) = $output_directory . '/' . $makefile . ".in";
692 if (! $force_generation && -e $out_file)
694 local ($am_time) = (stat ($makefile . '.am'))[9];
695 local ($in_time) = (stat ($out_file))[9];
696 # FIXME: should cache these times.
697 local ($conf_time) = (stat ($configure_ac))[9];
698 # FIXME: how to do unsigned comparison?
699 if ($am_time < $in_time || $am_time < $conf_time)
706 local ($acl_time) = (stat _)[9];
707 return if ($am_time < $acl_time);
711 if (! open (GM_FILE, "> " . $out_file))
713 warn "automake: ${am_file}.in: cannot write: $!\n";
717 print "automake: creating ", $makefile, ".in\n" if $verbose;
719 # In case we're running under MSWindows, don't write with CRLF
720 # (as it causes problems for the dependency-file extraction in
721 # AM_OUTPUT_DEPENDENCY_COMMANDS).
724 print GM_FILE $output_vars;
725 # We make sure that `all:' is the first target.
726 print GM_FILE $output_all;
727 print GM_FILE $output_header;
728 print GM_FILE $output_rules;
729 print GM_FILE $output_trailer;
731 if (! close (GM_FILE))
733 warn "automake: $am_file.in: cannot close: $!\n";
739 ################################################################
741 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
744 if (&variable_defined ('AUTOMAKE_OPTIONS'))
746 foreach (&variable_value_as_list ('AUTOMAKE_OPTIONS', ''))
749 if ($_ eq 'gnits' || $_ eq 'gnu' || $_ eq 'foreign')
751 &set_strictness ($_);
753 elsif ($_ eq 'cygnus')
759 # An option like "../lib/ansi2knr" is allowed. With
760 # no path prefix, we assume the required programs are
761 # in this directory. We save the actual option for
763 $options{'ansi2knr'} = $_;
765 elsif ($_ eq 'no-installman' || $_ eq 'no-installinfo'
766 || $_ eq 'dist-shar' || $_ eq 'dist-zip'
767 || $_ eq 'dist-tarZ' || $_ eq 'dist-bzip2'
768 || $_ eq 'dejagnu' || $_ eq 'no-texinfo.tex'
769 || $_ eq 'readme-alpha' || $_ eq 'check-news'
770 || $_ eq 'subdir-objects' || $_ eq 'nostdinc')
772 # Explicitly recognize these.
774 elsif ($_ eq 'no-dependencies')
776 $use_dependencies = 0;
778 elsif (/([0-9]+)\.([0-9]+)([a-z])?/)
780 # Got a version number.
782 local ($rmajor, $rminor, $ralpha) = ($1, $2, $3);
784 &prog_error ("version is incorrect: $VERSION")
785 if $VERSION !~ /([0-9]+)\.([0-9]+)([a-z])?/;
787 local ($tmajor, $tminor, $talpha) = ($1, $2, $3);
789 # 2.0 is better than 1.0.
790 # 1.2 is better than 1.1.
791 # 1.2a is better than 1.2.
792 if ($rmajor > $tmajor
793 || ($rmajor == $tmajor && $rminor > $tminor)
794 || ($rminor == $tminor && $rminor == $tminor
795 && $ralpha gt $talpha))
797 &am_line_error ('AUTOMAKE_OPTIONS',
798 "require version $_, only have $VERSION");
804 &am_line_error ('AUTOMAKE_OPTIONS',
805 "option \`" . $_ . "\' not recognized");
810 if ($strictness == $GNITS)
812 $options{'readme-alpha'} = 1;
813 $options{'check-news'} = 1;
820 # get_object_extension ($OUT)
821 # ---------------------------
822 # Return object extension. Just once, put some code into the output.
823 # OUT is the name of the output file
824 sub get_object_extension
828 # Maybe require libtool library object files.
829 local ($extension) = '.o';
830 $extension = '.$(OBJEXT)' if $seen_objext;
831 $extension = '.lo' if ($out =~ /\.la$/);
833 if (! $included_generic_compile)
836 local ($default_include) = '';
837 if (! defined $options{'nostdinc'})
839 $default_include = ' -I. -I$(srcdir)';
841 if (&variable_defined ('CONFIG_HEADER'))
844 foreach $one_hdr (split (' ',
845 &variable_value ('CONFIG_HEADER')))
847 $default_include .= ' -I' . &dirname ($one_hdr);
851 local ($xform) = &transform ('DEFAULT_INCLUDES' => $default_include);
852 $output_vars .= &file_contents_with_transform ($xform,
855 $xform = $seen_objext ? 's/^OBJEXT//;' : 's/^OBJEXT.*$//;';
856 $output_rules .= &file_contents_with_transform ($xform, 'compile');
858 &push_phony_cleaners ('compile');
860 # If using X, include some extra variable definitions. NOTE
861 # we don't want to force these into CFLAGS or anything,
862 # because not all programs will necessarily use X.
866 foreach $var ('X_CFLAGS', 'X_LIBS', 'X_EXTRA_LIBS', 'X_PRE_LIBS')
868 &define_configure_variable ($var);
872 push (@suffixes, '.c', '.o');
873 push (@suffixes, '.obj') if $seen_objext;
874 push (@clean, 'compile');
876 $included_generic_compile = 1;
879 if ($seen_libtool && ! $included_libtool_compile)
881 # Output the libtool compilation rules.
882 $output_rules .= &file_contents ('libtool');
884 &push_phony_cleaners ('libtool');
886 push (@suffixes, '.lo');
887 push (@clean, 'libtool');
889 $included_libtool_compile = 1;
892 # Check for automatic de-ANSI-fication.
893 if (defined $options{'ansi2knr'})
895 $extension = '$U' . $extension;
896 if (! $included_knr_compile)
898 if (! $am_c_prototypes)
900 &am_line_error ('AUTOMAKE_OPTIONS',
901 "option \`ansi2knr' in use but \`AM_C_PROTOTYPES' not in \`$configure_ac'");
902 &keyed_aclocal_warning ('AM_C_PROTOTYPES');
903 # Only give this error once.
904 $am_c_prototypes = 1;
907 # Only require ansi2knr files if they should appear in
909 if ($options{'ansi2knr'} eq 'ansi2knr')
911 &require_file_with_line ('AUTOMAKE_OPTIONS', $FOREIGN,
912 'ansi2knr.c', 'ansi2knr.1');
913 $output_rules .= &file_contents ('kr-extra');
914 push (@clean, 'krextra');
915 &push_phony_cleaners ('krextra');
918 # Generate rules to build ansi2knr. If it is in some
919 # other directory, then generate dependencies but have the
920 # rule just run elsewhere.
921 $objext = $seen_objext ? ".\$(OBJEXT)" : ".o";
922 $output_rules .= ($options{'ansi2knr'} . ': '
923 . $options{'ansi2knr'} . $objext . "\n");
924 if ($options{'ansi2knr'} eq 'ansi2knr')
926 $output_rules .= ("\t\$(LINK) ansi2knr" . $objext
928 . "ansi2knr" . $objext
929 . ": \$(CONFIG_HEADER)\n\n");
933 $output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
934 . " && \$(MAKE) \$(AM_MAKEFLAGS) "
936 # This is required for non-GNU makes.
937 $output_rules .= ($options{'ansi2knr'} . $objext . ":\n");
938 $output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
939 . " && \$(MAKE) \$(AM_MAKEFLAGS)"
940 . " ansi2knr" . $objext . "\n\n");
943 # Make sure ansi2knr can be found: if no path specified,
945 if ($options{'ansi2knr'} eq 'ansi2knr')
947 # Substitution from AM_C_PROTOTYPES. This makes it be
948 # built only when necessary.
949 &define_configure_variable ('ANSI2KNR');
950 # ansi2knr needs to be built before subdirs, so unshift it.
951 unshift (@all, '$(ANSI2KNR)');
955 # Found in another directory.
956 &define_variable ("ANSI2KNR", $options{'ansi2knr'});
959 $output_rules .= &file_contents ('clean-kr');
962 &push_phony_cleaners ('kr');
964 $included_knr_compile = 1;
971 # Call finish function for each language that was used.
974 local ($ltcompile, $ltlink) = &libtool_compiler;
976 local ($ext, $name, $lang, %done);
978 foreach $ext (sort keys %extension_seen)
980 $lang = $extension_map{$ext};
982 # Generate the appropriate rules for this extension. If
983 # dependency tracking was requested, and this extension
984 # supports it, then we don't generate the rule here.
987 if ($use_dependencies && $language_map{$lang . '-autodep'} ne 'no')
989 # Don't generate the rule, but still generate the variables.
990 if (defined $language_map{$lang . '-compile'})
992 $comp = $language_map{$lang . '-compile'};
995 elsif (defined $language_map{$lang . '-compile'})
997 $comp = $language_map{$lang . '-compile'};
999 local ($outarg) = $language_map{$lang . '-output-arg'};
1000 if ($language_map{$lang . '-flags'} eq 'CFLAGS')
1002 # C compilers don't always support -c -o.
1003 if (defined $options{'subdir-objects'})
1005 $outarg .= ' -o $@';
1009 local ($full) = ("\t\$("
1010 . $language_map{$lang . '-compiler-name'}
1013 $output_rules .= (".$ext.o:\n"
1016 # FIXME: Using cygpath should be somehow conditional.
1017 $output_rules .= (".$ext.obj:\n"
1019 . " \`cygpath -w \$<\`\n")
1021 $output_rules .= (".$ext.lo:\n"
1023 . $language_map{$lang . '-compiler-name'}
1025 . $language_map{$lang . '-output-arg'}
1026 # We can always use -c -o with libtool.
1027 . ($language_map{$lang . '-flags'} eq 'CFLAGS'
1033 push (@suffixes, '.' . $ext);
1035 # The rest of the loop is done once per language.
1036 next if defined $done{$lang};
1039 $non_c = 0 if $lang !~ /(objc|cxx|f77|ratfor)$/;
1043 &define_compiler_variable ($language_map{$lang . '-compiler-name'},
1046 # The compiler's flag must be a configure variable.
1047 if (defined $language_map{$lang . '-flags'})
1049 &define_configure_variable ($language_map{$lang . '-flags'});
1052 # Compute the function name of the finisher and then call it.
1053 $name = 'lang_' . $lang . '_finish';
1057 # If the project is entirely C++ or entirely Fortran 77, don't
1058 # bother with the C stuff. But if anything else creeps in, then use
1060 if ($need_link || ! $non_c || scalar keys %suffix_rules > 0)
1062 if (! defined $done{'c'})
1064 &define_configure_variable ($language_map{'c-flags'});
1065 &define_compiler_variable ($language_map{'c-compiler-name'},
1067 $language_map{'c-compile'});
1069 &define_variable ('CCLD', '$(CC)');
1070 &define_variable ('LINK', $ltlink . '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
1074 # Output a rule to build from a YACC source. The output from YACC is
1075 # compiled with C or C++, depending on the extension of the YACC file.
1076 sub output_yacc_build_rule
1078 local ($yacc_suffix, $use_ylwrap, $c_suffix) = @_;
1081 ($suffix = $yacc_suffix) =~ tr/y/c/;
1082 push (@suffixes, $yacc_suffix, $suffix);
1084 # Generate rule for c/c++.
1085 $output_rules .= "$yacc_suffix$suffix:\n\t";
1089 $output_rules .= ('$(SHELL) $(YLWRAP)'
1090 . ' "$(YACC)" $< y.tab.c $*' . $suffix
1091 . ' y.tab.h $*.h -- $(AM_YFLAGS) $(YFLAGS)');
1095 $output_rules .= ('$(YACC) $(AM_YFLAGS) $(YFLAGS) $< && mv y.tab.c $*'
1097 . "\tif test -f y.tab.h; then \\\n"
1098 . "\tif cmp -s y.tab.h \$*.h; then rm -f y.tab.h; else mv y.tab.h \$*.h; fi; \\\n"
1101 $output_rules .= "\n";
1104 sub output_lex_build_rule
1106 local ($lex_suffix, $use_ylwrap) = @_;
1109 ($c_suffix = $lex_suffix) =~ tr/l/c/;
1110 push (@suffixes, $lex_suffix);
1111 &define_configure_variable ('LEX_OUTPUT_ROOT');
1112 &define_configure_variable ('LEXLIB');
1113 $output_rules .= "$lex_suffix$c_suffix:\n\t";
1117 # Is the $@ correct here? If so, why not use it in the ylwrap
1118 # build rule for yacc above?
1119 $output_rules .= '$(SHELL) $(YLWRAP)'
1120 . ' "$(LEX)" $< $(LEX_OUTPUT_ROOT).c $@ -- $(AM_LFLAGS) $(LFLAGS)';
1124 $output_rules .= '$(LEX) $(AM_LFLAGS) $(LFLAGS) $< && mv $(LEX_OUTPUT_ROOT).c $@';
1126 $output_rules .= "\n";
1130 # Check to make sure a source defined in LIBOBJS is not explicitly
1131 # mentioned. This is a separate function (as opposed to being inlined
1132 # in handle_source_transform) because it isn't always appropriate to
1134 sub check_libobjs_sources
1136 local ($one_file, $unxformed) = @_;
1138 local ($prefix, $file, @files);
1139 foreach $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1140 'dist_EXTRA_', 'nodist_EXTRA_')
1142 if (&variable_defined ($prefix . $one_file . '_SOURCES'))
1144 @files = &variable_value_as_list (($prefix
1145 . $one_file . '_SOURCES'),
1148 elsif ($prefix eq '')
1150 @files = ($unxformed . '.c');
1157 foreach $file (@files)
1159 if (defined $libsources{$file})
1161 &am_line_error ($prefix . $one_file . '_SOURCES',
1162 "automatically discovered file \`$file' should not be explicitly mentioned");
1169 # ($LINKER, @OBJECTS)
1170 # handle_single_transform_list ($VAR, $DERIVED, $OBJ, @FILES)
1171 # -----------------------------------------------------------
1172 # Does much of the actual work for handle_source_transform.
1174 # $DERIVED is the name of resulting executable or library
1175 # $OBJ is the object extension (e.g., `$U.lo')
1176 # @FILES is the list of source files to transform
1178 # $LINKER is name of linker to use (empty string for default linker)
1179 # @OBJECTS are names of objects
1180 sub handle_single_transform_list
1182 local ($var, $derived, $obj, @files) = @_;
1183 local (@result) = ();
1184 local ($nonansi_obj) = $obj;
1185 $nonansi_obj =~ s/\$U//g;
1186 local (%linkers_used) = ();
1188 # Turn sources into objects.
1191 # Configure substitutions in _SOURCES variables are errors.
1194 &am_line_error ($var, "$var includes configure substitution \`$_'");
1198 # If the source file is in a subdirectory then the `.o' is
1199 # put into the current directory.
1201 # Split file name into base and extension.
1202 local ($full, $directory, $base, $extension, $linker, $object);
1203 next if ! /^((.*)\/)?([^\/]*)\.(.*)$/;
1209 local ($xbase) = $base;
1211 # We must generate a rule for the object if it requires
1214 local ($renamed) = 0;
1216 $extension = &derive_suffix ($extension);
1217 local ($lang) = $extension_map{$extension};
1220 &saw_extension ($extension);
1221 # Found the language, so see what it says.
1222 local ($subr) = 'lang_' . $lang . '_rewrite';
1223 # Note: computed subr call.
1224 local ($r) = & $subr ($directory, $base, $extension);
1225 # Skip this entry if we were asked not to process it.
1226 next if $r == $LANG_IGNORE;
1228 # Now extract linker and other info.
1229 $linker = $language_map{$lang . '-linker'};
1231 local ($this_obj_ext);
1232 if ($language_map{$lang . '-ansi-p'})
1234 $object = $base . $obj;
1235 $this_obj_ext = $obj;
1239 $object = $base . $nonansi_obj;
1240 $this_obj_ext = $nonansi_obj;
1243 if ($language_map{$lang . '-flags'} ne ''
1244 && &variable_defined ($derived . '_'
1245 . $language_map{$lang . '-flags'}))
1247 # We have a per-executable flag in effect for this
1248 # object. In this case we rewrite the object's
1249 # name to ensure it is unique. We also require
1250 # the `compile' program to deal with compilers
1251 # where `-c -o' does not work.
1253 # We choose the name `DERIVED-OBJECT' to ensure
1254 # (1) uniqueness, and (2) continuity between
1255 # invocations. However, this will result in a
1256 # name that is too long for losing systems, in
1257 # some situations. So we provide _SHORTNAME to
1260 local ($dname) = $derived;
1261 if (&variable_defined ($derived . '_SHORTNAME'))
1263 # FIXME: should use the same conditional as
1264 # the _SOURCES variable. But this is really
1265 # silly overkill -- nobody should have
1266 # conditional shortnames.
1267 $dname = &variable_value ($derived . '_SHORTNAME');
1269 $object = $dname . '-' . $object;
1271 &require_file ($FOREIGN, 'compile')
1274 &prog_error ("$lang flags defined without compiler")
1275 if ! defined $language_map{$lang . '-compile'};
1277 # Compute the rule to compile this object.
1278 local ($flag) = $language_map{$lang . '-flags'};
1279 local ($val) = "(${derived}_${flag}";
1280 ($rule = $language_map{$lang . '-compile'}) =~
1283 $rule .= ' ' . $language_map{$lang . '-output-arg'};
1284 # For C we have to add the -o, because the
1285 # standard rule doesn't include it.
1286 if ($language_map{$lang . '-flags'} eq 'CFLAGS')
1294 # If rewrite said it was ok, put the object into a
1296 if ($r == $LANG_SUBDIR && $directory ne '')
1298 $object = $directory . '/' . $object;
1299 $xbase = $directory . '/' . $base;
1302 # If doing dependency tracking, then we can't print
1303 # the rule. If we have a subdir object, we need to
1304 # generate an explicit rule. Actually, in any case
1305 # where the object is not in `.' we need a special
1306 # rule. The per-object rules in this case are
1307 # generated later, by add_depend2.
1308 if (($use_dependencies
1310 && $language_map{$lang . '-autodep'} ne 'no')
1311 || $directory ne '')
1314 local ($obj_sans_ext) = substr ($object, 0,
1315 - length ($this_obj_ext));
1316 $lang_specific_files{$lang} .= (' ' . $derived
1318 . ' ' . $obj_sans_ext);
1321 elsif ($extension eq 'o')
1323 # This is probably the result of a direct suffix rule.
1324 # In this case we just accept the rewrite. FIXME:
1325 # this fails if we want libtool objects.
1326 $object = $base . '.' . $extension;
1331 # No error message here. Used to have one, but it was
1336 $linkers_used{$linker} = 1;
1338 push (@result, $object);
1340 if (defined $object_map{$object})
1342 if ($object_map{$object} ne $full)
1344 &am_error ("object \`$object' created by \`$full' and \`$object_map{$object}'");
1349 local (@dep_list) = ();
1350 $object_map{$object} = $full;
1352 # If file is in subdirectory, we need explicit
1354 if ($directory ne '' || $renamed)
1356 push (@dep_list, $full);
1359 # If resulting object is in subdir, we need to make
1360 # sure the subdir exists at build time.
1361 if ($object =~ /\//)
1363 # FIXME: check that $DIRECTORY is somewhere in the
1366 # We don't allow `..' in object file names for
1367 # *any* source, not just Java. For Java it just
1368 # doesn't make sense, but in general it is
1369 # a problem because we can't pick a good name for
1371 if ($object =~ /(\/|^)\.\.\//)
1373 &am_error ("\`$full' contains \`..' component but should not");
1376 push (@dep_list, $directory . '/.dirstamp');
1378 # If we're generating dependencies, we also want
1379 # to make sure that the appropriate subdir of the
1380 # .deps directory is created.
1381 if ($use_dependencies)
1383 push (@dep_list, '.deps/' . $directory . '/.dirstamp');
1386 if (! defined $directory_map{$directory})
1388 $directory_map{$directory} = 1;
1389 $output_rules .= ($directory . "/.dirstamp:\n"
1390 . "\t\@\$(mkinstalldirs) $directory\n"
1391 . "\t\@: > $directory/.dirstamp\n");
1392 if ($use_dependencies)
1394 $output_rules .= ('.deps/' . $directory
1396 . "\t\@\$(mkinstalldirs) .deps/$directory\n"
1397 . "\t\@: > .deps/$directory/.dirstamp\n");
1402 &pretty_print_rule ($object . ':', "\t", @dep_list)
1403 if scalar @dep_list > 0 || $rule ne '';
1405 # Print the rule if we have one.
1408 # Turn `$@' into name of our object file.
1410 ($xform = $object) =~ s,/,\\/,g;
1411 $rule =~ s/\$\@/$xform/;
1413 # We cannot use $< here since this is an explicit
1414 # rule and not all makes handle that.
1415 $rule .= " \`test -f $full || echo '\$(srcdir)/'\`$full";
1417 # FIXME: handle .lo and .obj as well.
1418 $output_rules .= "\t" . $rule . "\n";
1422 # Transform .o or $o file into .P file (for automatic
1425 && ($language_map{$lang . '-autodep'} ne 'no'
1426 || $language_map{$lang . '-derived-autodep'} eq 'yes'))
1428 local ($depfile) = $object;
1429 $depfile =~ s/\.([^.]*)$/.P$1/;
1430 $depfile =~ s/\$\(OBJEXT\)$/o/ if $seen_objext;
1431 $dep_files{'$(DEPDIR)/' . $depfile} = 1;
1435 return (&resolve_linker (%linkers_used), @result);
1440 # Handle SOURCE->OBJECT transform for one program or library.
1442 # canonical (transformed) name of object to build
1443 # actual name of object to build
1444 # object extension (ie either `.o' or `$o'.
1445 # Return result is name of linker variable that must be used.
1446 # Empty return means just use `LINK'.
1447 sub handle_source_transform
1449 # one_file is canonical name. unxformed is given name. obj is
1451 local ($one_file, $unxformed, $obj) = @_;
1453 local ($linker) = '';
1455 if (&variable_defined ($one_file . "_OBJECTS"))
1457 &am_line_error ($one_file . '_OBJECTS',
1458 $one_file . '_OBJECTS', 'should not be defined');
1459 # No point in continuing.
1463 local (@files, @result, $prefix, $temp, $xpfx);
1464 local (%used_pfx) = ();
1465 foreach $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1466 'dist_EXTRA_', 'nodist_EXTRA_')
1468 # We are going to define _OBJECTS variables using the prefix.
1469 # Then we glom them all together. So we can't use the null
1470 # prefix here as we need it later.
1471 $xpfx = ($prefix eq '') ? 'am_' : $prefix;
1474 local ($var) = $prefix . $one_file . "_SOURCES";
1475 if (&variable_defined ($var))
1477 # Keep track of which prefixes we saw.
1478 $used_pfx{$xpfx} = 1
1479 unless $prefix =~ /EXTRA_/;
1481 push (@sources, '$(' . $prefix . $one_file . "_SOURCES)");
1482 push (@objects, '$(' . $xpfx . $one_file . "_OBJECTS)")
1483 unless $prefix =~ /EXTRA_/;
1484 push (@dist_sources, '$(' . $prefix . $one_file . "_SOURCES)")
1485 unless $prefix =~ /^nodist_/;
1486 local (@conds) = &variable_conditions ($var);
1489 @files = &variable_value_as_list ($var, '');
1494 foreach $cond (@conds)
1496 @files = &variable_value_as_list ($var, $cond);
1498 &handle_single_transform_list ($var, $one_file, $obj,
1500 $linker = $temp if $linker eq '';
1502 # Define _OBJECTS conditionally.
1503 &define_pretty_variable ($xpfx . $one_file . '_OBJECTS',
1505 unless $prefix =~ /EXTRA_/;
1512 # Avoid defining needless variables.
1513 next if (scalar @files == 0);
1515 ($temp, @result) = &handle_single_transform_list ($var, $one_file,
1517 $linker = $temp if $linker eq '';
1518 &define_pretty_variable ($xpfx . $one_file . "_OBJECTS", '', @result)
1519 unless $prefix =~ /EXTRA_/;
1522 local (@keys) = sort keys %used_pfx;
1523 if (scalar @keys == 0)
1525 &define_variable ($one_file . "_SOURCES", $unxformed . ".c");
1526 push (@sources, $unxformed . '.c');
1527 push (@dist_sources, $unxformed . '.c');
1528 push (@objects, $unxformed . $obj);
1529 push (@files, $unxformed . '.c');
1531 ($temp, @result) = &handle_single_transform_list ($one_file . '_SOURCES',
1534 $linker = $temp if $linker eq '';
1535 &define_pretty_variable ($one_file . "_OBJECTS", '', @result)
1539 grep ($_ = '$(' . $_ . $one_file . '_OBJECTS)', @keys);
1540 &define_pretty_variable ($one_file . '_OBJECTS', '', @keys);
1543 # If we want to use `LINK' we must make sure it is defined.
1553 # handle_lib_objects ()
1554 # ---------------------
1555 # Special-case @ALLOCA@ and @LIBOBJS@ in _LDADD or _LIBADD variables.
1556 # Also, generate _DEPENDENCIES variable if appropriate.
1558 # transformed name of object being built, or empty string if no object
1559 # name of _LDADD/_LIBADD-type variable to examine
1560 # boolean (lex_seen) which is true if a lex source file was seen in this
1561 # object. valid only for LDADDs, not LIBADDs.
1562 # Returns 1 if LIBOBJS seen, 0 otherwise.
1563 sub handle_lib_objects
1565 local ($xname, $var, $lex_seen) = @_;
1568 &prog_error ("handle_lib_objects: $var undefined")
1569 if ! &variable_defined ($var);
1571 &prog_error ("handle_lib_objects: lex_seen and $var =~ /LIBADD/")
1572 if $lex_seen && $var =~ /LIBADD/;
1574 local (@conds) = &variable_conditions ($var);
1577 $ret = &handle_lib_objects_cond ($xname, $var, $lex_seen, '');
1583 foreach $cond (@conds)
1585 if (&handle_lib_objects_cond ($xname, $var, $lex_seen, $cond))
1595 # Subroutine of handle_lib_objects: handle a particular condition.
1596 sub handle_lib_objects_cond
1598 local ($xname, $var, $lex_seen, $cond) = @_;
1600 # We recognize certain things that are commonly put in LIBADD or
1603 local (@dep_list) = ();
1605 local ($seen_libobjs) = 0;
1606 local ($flagvar) = 0;
1608 foreach $lsearch (&variable_value_as_list ($var, $cond))
1610 # Skip -lfoo and -Ldir; these are explicitly allowed.
1611 next if $lsearch =~ /^-[lL]/;
1612 if (! $flagvar && $lsearch =~ /^-/)
1614 if ($var =~ /^(.*)LDADD$/)
1616 # Skip -dlopen and -dlpreopen; these are explicitly allowed.
1617 next if $lsearch =~ /^-dl(pre)?open$/;
1618 &am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
1622 # Only get this error once.
1624 &am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
1628 # Assume we have a file of some sort, and push it onto the
1629 # dependency list. Autoconf substitutions are not pushed;
1630 # rarely is a new dependency substituted into (eg) foo_LDADD
1631 # -- but "bad things (eg -lX11) are routinely substituted.
1632 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
1633 # and handled specially below.
1634 push (@dep_list, $lsearch)
1635 unless $lsearch =~ /^\@.*\@$/;
1637 # Automatically handle @LIBOBJS@ and @ALLOCA@. Basically this
1638 # means adding entries to dep_files.
1639 if ($lsearch =~ /^\@(LT)?LIBOBJS\@$/)
1641 local ($myobjext) = ($1 ? 'l' : '') . 'o';
1643 push (@dep_list, $lsearch);
1645 if (! keys %libsources
1646 && ! &variable_defined ($1 . 'LIBOBJS'))
1648 &am_line_error ($var, "\@$1" . "LIBOBJS\@ seen but never set in \`$configure_ac'");
1651 local ($iter, $rewrite);
1652 foreach $iter (keys %libsources)
1654 if ($iter =~ /\.([cly])$/)
1656 &saw_extension ($1);
1657 &saw_extension ('c');
1660 if ($iter =~ /\.h$/)
1662 &require_file_with_line ($var, $FOREIGN, $iter);
1664 elsif ($iter ne 'alloca.c')
1666 ($rewrite = $iter) =~ s/\.c$/.P$myobjext/;
1667 $dep_files{'$(DEPDIR)/' . $rewrite} = 1;
1668 ($rewrite = $iter) =~ s/(\W)/\\$1/g;
1669 $rewrite = "^" . $rewrite . "\$";
1670 # Only require the file if it is not a built source.
1671 if (! &variable_defined ('BUILT_SOURCES')
1672 || ! grep (/$rewrite/,
1673 &variable_value_as_list ('BUILT_SOURCES',
1676 &require_file_with_line ($var, $FOREIGN, $iter);
1681 elsif ($lsearch =~ /^\@(LT)?ALLOCA\@$/)
1683 local ($myobjext) = ($1 ? 'l' : '') . 'o';
1685 push (@dep_list, $lsearch);
1686 &am_line_error ($var,
1687 "\@$1" . "ALLOCA\@ seen but \`AC_FUNC_ALLOCA' not in \`$configure_ac'")
1688 if ! defined $libsources{'alloca.c'};
1689 $dep_files{'$(DEPDIR)/alloca.P' . $myobjext} = 1;
1690 &require_file_with_line ($var, $FOREIGN, 'alloca.c');
1691 &saw_extension ('c');
1695 if ($xname ne '' && ! &variable_defined ($xname . '_DEPENDENCIES', $cond))
1697 &define_pretty_variable ($xname . '_DEPENDENCIES', $cond, @dep_list);
1700 return $seen_libobjs;
1703 # Canonicalize a name, and check to make sure the non-canonical name
1704 # is never used. Returns canonical name. Arguments are name and a
1705 # list of suffixes to check for.
1706 sub check_canonical_spelling
1708 local ($name, @suffixes) = @_;
1709 local ($xname, $xt);
1711 ($xname = $name) =~ tr/A-Za-z0-9_/_/c;
1712 if ($xname ne $name)
1715 foreach $xt (@suffixes)
1717 &am_line_error ($name . $xt,
1718 "invalid variable \`" . $name . $xt
1719 . "'; should be \`" . $xname . $xt . "'")
1720 if &variable_defined ($name . $xt);
1728 # handle_programs ()
1729 # ------------------
1730 # Handle C programs.
1733 local (@proglist) = &am_install_var ('-clean',
1734 'progs', 'PROGRAMS',
1735 'bin', 'sbin', 'libexec', 'pkglib',
1737 return if ! @proglist;
1739 # If a program is installed, this is required. We only want this
1740 # error to appear once.
1741 &am_conf_error ("AC_ARG_PROGRAM must be used")
1742 unless $seen_arg_prog;
1745 local ($one_file, $xname, $munge);
1747 local ($seen_libobjs) = 0;
1748 foreach $one_file (@proglist)
1750 local ($obj) = &get_object_extension ($one_file);
1752 # Canonicalize names and check for misspellings.
1753 $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
1754 '_SOURCES', '_OBJECTS',
1757 # FIXME: Using a trick to figure out if any lex sources appear
1758 # in our program; should use some cleaner method.
1759 local ($lex_num) = scalar (keys %lex_sources);
1760 local ($linker) = &handle_source_transform ($xname, $one_file, $obj);
1761 local ($lex_file_seen) = (scalar (keys %lex_sources) > $lex_num);
1764 if (&variable_defined ($xname . "_LDADD"))
1766 if (&handle_lib_objects ($xname, $xname . '_LDADD',
1776 # User didn't define prog_LDADD override. So do it.
1777 &define_variable ($xname . '_LDADD', '$(LDADD)');
1779 # This does a bit too much work. But we need it to
1780 # generate _DEPENDENCIES when appropriate.
1781 if (&variable_defined ('LDADD'))
1783 if (&handle_lib_objects ($xname, 'LDADD', $lex_file_seen))
1789 elsif (! &variable_defined ($xname . '_DEPENDENCIES'))
1791 &define_variable ($xname . '_DEPENDENCIES', '');
1796 if (&variable_defined ($xname . '_LIBADD'))
1798 &am_line_error ($xname . '_LIBADD',
1799 "use \`" . $xname . "_LDADD', not \`"
1800 . $xname . "_LIBADD'");
1803 if (! &variable_defined ($xname . '_LDFLAGS'))
1805 # Define the prog_LDFLAGS variable.
1806 &define_variable ($xname . '_LDFLAGS', '');
1809 # Determine program to use for link.
1811 if (&variable_defined ($xname . '_LINK'))
1813 $xlink = $xname . '_LINK';
1817 $xlink = $linker ? $linker : 'LINK';
1820 local ($exeext) = '';
1821 if ($seen_exeext && $one_file !~ /\./)
1823 $exeext = '$(EXEEXT)';
1827 &file_contents_with_transform
1828 (&transform ('EXEEXT' => $exeext,
1829 'PROGRAM' => $one_file,
1830 'XPROGRAM' => $xname,
1835 if (&variable_defined ('LDADD') && &handle_lib_objects ('', 'LDADD', 0))
1842 foreach $one_file (@proglist)
1844 # Canonicalize names.
1845 ($xname = $one_file) =~ tr/A-Za-z0-9_/_/c;
1847 if (&variable_defined ($xname . '_LDADD'))
1849 &check_libobjs_sources ($xname, $xname . '_LDADD');
1851 elsif (&variable_defined ('LDADD'))
1853 &check_libobjs_sources ($xname, 'LDADD');
1860 # handle_libraries ()
1861 # -------------------
1863 sub handle_libraries
1865 local (@liblist) = &am_install_var ('-clean',
1866 'libs', 'LIBRARIES',
1867 'lib', 'pkglib', 'noinst', 'check');
1868 return if ! @liblist;
1870 local (%valid) = &am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
1872 if (! defined $configure_vars{'RANLIB'})
1875 foreach $key (keys %valid)
1877 if (&variable_defined ($key . '_LIBRARIES'))
1879 &am_line_error ($key . '_LIBRARIES', "library used but \`RANLIB' not defined in \`$configure_ac'");
1880 # Only get this error once. If this is ever printed,
1882 $configure_vars{'RANLIB'} = 'BUG';
1891 local ($seen_libobjs) = 0;
1892 foreach $onelib (@liblist)
1894 # Check that the library fits the standard naming convention.
1895 if ($onelib !~ /^lib.*\.a$/)
1897 # FIXME should put line number here. That means mapping
1898 # from library name back to variable name.
1899 &am_error ("\`$onelib' is not a standard library name");
1902 local ($obj) = &get_object_extension ($onelib);
1904 # Canonicalize names and check for misspellings.
1905 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
1906 '_OBJECTS', '_DEPENDENCIES', '_AR');
1908 if (! &variable_defined ($xlib . '_AR'))
1910 &define_variable ($xlib . '_AR', '$(AR) cru');
1913 if (&variable_defined ($xlib . '_LIBADD'))
1915 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
1922 # Generate support for conditional object inclusion in
1924 &define_variable ($xlib . "_LIBADD", '');
1927 if (&variable_defined ($xlib . '_LDADD'))
1929 &am_line_error ($xlib . '_LDADD',
1930 "use \`" . $xlib . "_LIBADD', not \`"
1931 . $xlib . "_LDADD'");
1934 # Make sure we at look at this.
1935 &examine_variable ($xlib . '_DEPENDENCIES');
1937 &handle_source_transform ($xlib, $onelib, $obj);
1940 &file_contents_with_transform
1941 (&transform ('LIBRARY' => $onelib,
1942 'XLIBRARY' => $xlib),
1948 foreach $onelib (@liblist)
1950 # Canonicalize names.
1951 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
1952 if (&variable_defined ($xlib . '_LIBADD'))
1954 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
1959 &define_variable ('AR', 'ar');
1960 &define_configure_variable ('RANLIB');
1964 # handle_ltlibraries ()
1965 # ---------------------
1966 # Handle shared libraries.
1967 sub handle_ltlibraries
1969 local (@liblist) = &am_install_var ('-clean',
1970 'ltlib', 'LTLIBRARIES',
1971 'noinst', 'lib', 'pkglib', 'check');
1972 return if ! @liblist;
1975 local (%valid) = &am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
1979 foreach $key (keys %valid)
1981 if (&variable_defined ($key . '_LTLIBRARIES'))
1985 &am_line_error ($key . '_LTLIBRARIES', "library used but \`LIBTOOL' not defined in \`$configure_ac'");
1986 # Only get this error once. If this is ever printed,
1988 $configure_vars{'LIBTOOL'} = 'BUG';
1992 # Get the installation directory of each library.
1993 for (&variable_value_as_list ($key . '_LTLIBRARIES', 'all'))
1997 &am_error ("\`$_' is already going to be installed in \`$instdirs{$_}'");
2001 $instdirs{$_} = $key;
2010 local ($seen_libobjs) = 0;
2011 foreach $onelib (@liblist)
2013 local ($obj) = &get_object_extension ($onelib);
2015 # Canonicalize names and check for misspellings.
2016 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2017 '_SOURCES', '_OBJECTS',
2020 if (! &variable_defined ($xlib . '_LDFLAGS'))
2022 # Define the lib_LDFLAGS variable.
2023 &define_variable ($xlib . '_LDFLAGS', '');
2026 # Check that the library fits the standard naming convention.
2027 $libname_rx = "^lib.*\.la";
2028 if ((&variable_defined ($xlib . '_LDFLAGS')
2029 && grep (/-module/, &variable_value_as_list ($xlib . '_LDFLAGS',
2031 || (&variable_defined ('LDFLAGS')
2032 && grep (/-module/, &variable_value_as_list ('LDFLAGS',
2035 # Relax name checking for libtool modules.
2036 $libname_rx = "\.la";
2038 if ($onelib !~ /$libname_rx$/)
2040 # FIXME this should only be a warning for foreign packages
2041 # FIXME should put line number here. That means mapping
2042 # from library name back to variable name.
2043 &am_error ("\`$onelib' is not a standard libtool library name");
2046 if (&variable_defined ($xlib . '_LIBADD'))
2048 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
2055 # Generate support for conditional object inclusion in
2057 &define_variable ($xlib . "_LIBADD", '');
2060 if (&variable_defined ($xlib . '_LDADD'))
2062 &am_line_error ($xlib . '_LDADD',
2063 "use \`" . $xlib . "_LIBADD', not \`"
2064 . $xlib . "_LDADD'");
2067 # Make sure we at look at this.
2068 &examine_variable ($xlib . '_DEPENDENCIES');
2070 local ($linker) = &handle_source_transform ($xlib, $onelib, $obj);
2072 # Determine program to use for link.
2074 if (&variable_defined ($xlib . '_LINK'))
2076 $xlink = $xlib . '_LINK';
2080 $xlink = $linker ? $linker : 'LINK';
2084 if ($instdirs{$onelib} eq 'EXTRA'
2085 || $instdirs{$onelib} eq 'noinst'
2086 || $instdirs{$onelib} eq 'check')
2088 # It's an EXTRA_ library, so we can't specify -rpath,
2089 # because we don't know where the library will end up.
2090 # The user probably knows, but generally speaking automake
2091 # doesn't -- and in fact configure could decide
2092 # dynamically between two different locations.
2097 $rpath = ('-rpath $(' . $instdirs{$onelib} . 'dir)');
2101 &file_contents_with_transform
2102 (&transform ('LTLIBRARY' => $onelib,
2103 'XLTLIBRARY' => $xlib,
2111 foreach $onelib (@liblist)
2113 # Canonicalize names.
2114 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
2115 if (&variable_defined ($xlib . '_LIBADD'))
2117 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2123 # See if any _SOURCES variable were misspelled. Also, make sure that
2124 # EXTRA_ variables don't contain configure substitutions.
2127 local ($varname, $primary);
2128 foreach $varname (keys %contents)
2130 foreach $primary ('_SOURCES', '_LIBADD', '_LDADD', '_LDFLAGS',
2133 if ($varname =~ /$primary$/ && ! $content_seen{$varname})
2135 &am_line_error ($varname,
2136 "invalid unused variable name: \`$varname'");
2145 # NOTE we no longer automatically clean SCRIPTS, because it is
2146 # useful to sometimes distribute scripts verbatim. This happens
2147 # eg in Automake itself.
2148 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2149 'bin', 'sbin', 'libexec', 'pkgdata',
2152 local ($scripts_installed) = 0;
2153 # Set $scripts_installed if appropriate. Make sure we only find
2154 # scripts which are actually installed -- this is why we can't
2155 # simply use the return value of am_install_var.
2156 local (%valid) = &am_primary_prefixes ('SCRIPTS', 1, 'bin', 'sbin',
2157 'libexec', 'pkgdata',
2160 foreach $key (keys %valid)
2162 if ($key ne 'noinst'
2164 && &variable_defined ($key . '_SCRIPTS'))
2166 $scripts_installed = 1;
2167 # push (@check_tests, 'check-' . $key . 'SCRIPTS');
2171 if ($scripts_installed)
2173 # If a program is installed, this is required. We only want this
2174 # error to appear once.
2175 &am_conf_error ("AC_ARG_PROGRAM must be used")
2176 unless $seen_arg_prog;
2181 # Search a file for a "version.texi" Texinfo include. Return the name
2182 # of the include file if found, or the empty string if not. A
2183 # "version.texi" file is actually any file whose name matches
2185 sub scan_texinfo_file
2187 local ($filename) = @_;
2189 if (! open (TEXI, $filename))
2191 &am_error ("couldn't open \`$filename': $!");
2194 print "automake: reading $filename\n" if $verbose;
2196 local ($vfile, $outfile);
2199 if (/^\@setfilename +(\S+)/)
2205 if (/^\@include\s+(vers[^.]*\.texi)\s*$/)
2207 # Found version.texi include.
2214 return ($outfile, $vfile);
2220 # Handle all Texinfo source.
2223 &am_line_error ('TEXINFOS',
2224 "\`TEXINFOS' is an anachronism; use \`info_TEXINFOS'")
2225 if &variable_defined ('TEXINFOS');
2226 return if (! &variable_defined ('info_TEXINFOS')
2227 && ! &variable_defined ('html_TEXINFOS'));
2229 if (&variable_defined ('html_TEXINFOS'))
2231 &am_line_error ('html_TEXINFOS',
2232 "HTML generation not yet supported");
2236 local (@texis) = &variable_value_as_list ('info_TEXINFOS', 'all');
2238 local (@info_deps_list, @dvis_list, @texi_deps);
2239 local ($infobase, $info_cursor);
2243 local ($tc_cursor, @texi_cleans);
2246 foreach $info_cursor (@texis)
2248 # FIXME: This is mildly hacky, since it recognizes "txinfo".
2249 # I don't feel like making it right.
2250 ($infobase = $info_cursor) =~ s/\.te?xi(nfo)?$//;
2252 # If 'version.texi' is referenced by input file, then include
2253 # automatic versioning capability.
2254 local ($out_file, $vtexi) = &scan_texinfo_file ($relative_dir
2255 . "/" . $info_cursor);
2257 if ($out_file eq '')
2259 &am_error ("\`$info_cursor' missing \@setfilename");
2263 if ($out_file =~ /\.(.+)$/ && $1 ne 'info')
2265 # FIXME should report line number in input file.
2266 &am_error ("output of \`$info_cursor', \`$out_file', has unrecognized extension");
2272 &am_error ("\`$vtexi', included in \`$info_cursor', also included in \`$versions{$vtexi}'")
2273 if (defined $versions{$vtexi});
2274 $versions{$vtexi} = $info_cursor;
2276 # We number the stamp-vti files. This is doable since the
2277 # actual names don't matter much. We only number starting
2278 # with the second one, so that the common case looks nice.
2279 $vti = ($done ? $done : 'vti');
2282 &push_dist_common ($vtexi, 'stamp-' . $vti);
2283 push (@clean, $vti);
2285 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
2289 if ($config_aux_dir eq '.' || $config_aux_dir eq '')
2291 $conf_dir = '$(srcdir)/';
2295 $conf_dir = $config_aux_dir;
2296 $conf_dir .= '/' unless $conf_dir =~ /\/$/;
2299 &file_contents_with_transform
2300 (&transform ('TEXI' => $info_cursor,
2303 'MDDIR' => $conf_dir,
2304 'CONFIGURE_AC' => $configure_ac),
2307 &push_phony_cleaners ($vti);
2310 # If user specified file_TEXINFOS, then use that as explicit
2313 push (@texi_deps, $info_cursor);
2314 # Prefix with $(srcdir) because some version of make won't
2315 # work if the target has it and the dependency doesn't.
2316 push (@texi_deps, '$(srcdir)/' . $vtexi) if $vtexi;
2318 # Canonicalize name first.
2319 ($canonical = $infobase) =~ tr/A-Za-z0-9_/_/c;
2320 if (&variable_defined ($canonical . "_TEXINFOS"))
2322 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
2323 &push_dist_common ('$(' . $canonical . '_TEXINFOS)');
2326 $output_rules .= ("\n" . $out_file . ": "
2327 . join (' ', @texi_deps)
2328 . "\n" . $infobase . ".dvi: "
2329 . join (' ', @texi_deps)
2332 push (@info_deps_list, $out_file);
2333 push (@dvis_list, $infobase . '.dvi');
2335 # Generate list of things to clean for this target. We do
2336 # this explicitly because otherwise too many things could be
2337 # removed. In particular the ".log" extension might
2338 # reasonably be used in other contexts by the user.
2339 # FIXME: this is really out of control.
2340 foreach $tc_cursor ('aux', 'cp', 'cps', 'dvi', 'fn', 'fns', 'pgs',
2341 'ky', 'kys', 'ps', 'log', 'pg', 'toc', 'tp', 'tps',
2342 'vr', 'vrs', 'op', 'tr', 'cv', 'cn', 'cm', 'ov')
2344 push (@texi_cleans, $infobase . '.' . $tc_cursor);
2348 # Find these programs wherever they may lie. Yes, this has
2349 # intimate knowledge of the structure of the texinfo distribution.
2350 &define_program_variable ('MAKEINFO', 'build', 'texinfo/makeinfo',
2352 # Circumlocution to avoid accidental
2353 # configure substitution.
2355 &define_program_variable ('TEXI2DVI', 'src', 'texinfo/util',
2358 # Set transform for including texinfos.am. First, handle --cygnus
2363 $xform = 's/^NOTCYGNUS.*$//; s/^CYGNUS//;';
2367 $xform = 's/^CYGNUS.*$//; s/^NOTCYGNUS//;';
2370 # Handle location of texinfo.tex.
2371 local ($need_texi_file) = 0;
2372 local ($texinfodir);
2375 $texinfodir = '$(top_srcdir)/../texinfo';
2376 &define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex");
2379 elsif ($config_aux_dir ne '.' && $config_aux_dir ne '')
2381 $texinfodir = $config_aux_dir;
2382 &define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex");
2383 $need_texi_file = 2; # so that we require_conf_file later
2385 elsif (&variable_defined ('TEXINFO_TEX'))
2387 # The user defined TEXINFO_TEX so assume he knows what he is
2389 $texinfodir = ('$(srcdir)/'
2390 . &dirname (&variable_value ('TEXINFO_TEX')));
2394 $texinfodir = '$(srcdir)';
2395 $need_texi_file = 1;
2397 $xform .= &transform ('TEXINFODIR' => $texinfodir);
2399 $output_rules .= &file_contents_with_transform ($xform, 'texinfos');
2400 push (@dist_targets, 'dist-info');
2402 # How to clean. The funny name is due to --cygnus influence; in
2403 # Cygnus mode, `clean-info' is a target that users can use.
2404 $output_rules .= "\nmostlyclean-aminfo:\n";
2405 &pretty_print_rule ("\t-rm -f", "\t ", @texi_cleans);
2406 $output_rules .= ("\nclean-aminfo:\n\ndistclean-aminfo:\n\n"
2407 . "maintainer-clean-aminfo:\n\t"
2408 # Eww. But how else can we find all the output
2409 # files from makeinfo?
2410 . ($cygnus_mode ? '' : 'cd $(srcdir) && ')
2411 . 'for i in $(INFO_DEPS); do' . " \\\n"
2412 . "\t" . ' rm -f $$i;' . " \\\n"
2413 . "\t" . ' if test "`echo $$i-[0-9]*`" != "$$i-[0-9]*"; then' . " \\\n"
2414 . "\t" . ' rm -f $$i-[0-9]*;' . " \\\n"
2415 . "\t" . ' fi;' . " \\\n"
2417 &push_phony_cleaners ('aminfo');
2420 $output_rules .= "clean-info: mostlyclean-aminfo\n";
2423 push (@suffixes, '.texi', '.texinfo', '.txi', '.info', '.dvi', '.ps');
2425 if (! defined $options{'no-installinfo'})
2427 push (@uninstall, 'uninstall-info');
2428 push (@installdirs, '$(DESTDIR)$(infodir)');
2429 unshift (@install_data, 'install-info-am');
2431 # Make sure documentation is made and installed first. Use
2432 # $(INFO_DEPS), not 'info', because otherwise recursive makes
2433 # get run twice during "make all".
2434 unshift (@all, '$(INFO_DEPS)');
2436 push (@clean, 'aminfo');
2437 push (@info, '$(INFO_DEPS)');
2438 push (@dvi, '$(DVIS)');
2440 &define_variable ("INFO_DEPS", join (' ', @info_deps_list));
2441 &define_variable ("DVIS", join (' ', @dvis_list));
2442 # This next isn't strictly needed now -- the places that look here
2443 # could easily be changed to look in info_TEXINFOS. But this is
2444 # probably better, in case noinst_TEXINFOS is ever supported.
2445 &define_variable ("TEXINFOS", &variable_value ('info_TEXINFOS'));
2447 # Do some error checking. Note that this file is not required
2448 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
2450 if ($need_texi_file && ! defined $options{'no-texinfo.tex'})
2452 if ($need_texi_file > 1)
2454 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
2459 &require_file_with_line ('info_TEXINFOS', $FOREIGN, 'texinfo.tex');
2464 # Handle any man pages.
2465 sub handle_man_pages
2467 &am_line_error ('MANS', "\`MANS' is an anachronism; use \`man_MANS'")
2468 if &variable_defined ('MANS');
2470 # Find all the sections in use. We do this by first looking for
2471 # "standard" sections, and then looking for any additional
2472 # sections used in man_MANS.
2473 local ($sect, %sections, %vlist);
2475 # Add more sections as needed.
2476 foreach $sect ('0'..'9', 'n', 'l')
2478 if (&variable_defined ('man' . $sect . '_MANS'))
2480 $sections{$sect} = 1;
2481 $vlist{'$(man' . $sect . '_MANS)'} = 1;
2486 if (&variable_defined ('man_MANS'))
2488 $vlist{'$(man_MANS)'} = 1;
2489 foreach (&variable_value_as_list ('man_MANS', 'all'))
2491 # A page like `foo.1c' goes into man1dir.
2492 if (/\.([0-9a-z])([a-z]*)$/)
2500 return unless $found;
2502 # Now for each section, generate an install and unintall rule.
2503 # Sort sections so output is deterministic.
2505 foreach $sect (sort keys %sections)
2507 &define_variable ('man' . $sect . 'dir', '$(mandir)/man' . $sect);
2508 push (@installdirs, '$(DESTDIR)$(mandir)/man' . $sect)
2509 unless defined $options{'no-installman'};
2510 $output_rules .= &file_contents_with_transform ('s/\@SECTION\@/'
2513 push (@namelist, 'install-man' . $sect);
2516 # We don't really need this, but we use it in case we ever want to
2517 # support noinst_MANS.
2518 &define_variable ("MANS", join (' ', sort keys %vlist));
2520 # Generate list of install dirs.
2521 $output_rules .= ("install-man: \$(MANS)\n"
2522 . "\t\@\$(NORMAL_INSTALL)\n");
2523 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
2524 push (@phony, 'install-man');
2526 $output_rules .= "uninstall-man:\n\t\@\$(NORMAL_UNINSTALL)\n";
2527 grep ($_ = 'un' . $_, @namelist);
2528 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
2529 push (@phony, 'uninstall-man');
2531 $output_vars .= &file_contents ('mans-vars');
2533 if (! defined $options{'no-installman'})
2535 push (@install_data, 'install-man');
2536 push (@uninstall, 'uninstall-man');
2537 push (@all, '$(MANS)');
2541 # Handle DATA variables.
2544 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
2545 'data', 'sysconf', 'sharedstate', 'localstate',
2546 'pkgdata', 'noinst', 'check');
2552 local (@tag_deps) = ();
2553 if (&variable_defined ('SUBDIRS'))
2555 $output_rules .= ("tags-recursive:\n"
2556 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
2557 # Never fail here if a subdir fails; it
2559 . "\t test \"\$\$subdir\" = . || (cd \$\$subdir"
2560 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
2562 push (@tag_deps, 'tags-recursive');
2563 push (@phony, 'tags-recursive');
2566 if (&saw_sources_p (1)
2567 || &variable_defined ('ETAGS_ARGS')
2570 local ($config) = '';
2572 foreach $one_hdr (@config_headers)
2574 if ($relative_dir eq &dirname ($one_hdr))
2576 # The config header is in this directory. So require it.
2577 $config .= ' ' if $config;
2578 $config .= &basename ($one_hdr);
2581 local $xform = &transform ('CONFIG' => $xform,
2582 'DIRS' => join (' ', @tag_deps));
2584 if (&variable_defined ('SUBDIRS'))
2586 $xform .= 's/^SUBDIRS//;';
2590 $xform .= 's/^SUBDIRS.*$//;';
2593 $output_rules .= &file_contents_with_transform ($xform, 'tags');
2594 $output_rules .= &file_contents ('tags-clean');
2595 push (@clean, 'tags');
2596 &push_phony_cleaners ('tags');
2597 &examine_variable ('TAGS_DEPENDENCIES');
2599 elsif (&variable_defined ('TAGS_DEPENDENCIES'))
2601 &am_line_error ('TAGS_DEPENDENCIES',
2602 "doesn't make sense to define \`TAGS_DEPENDENCIES' without sources or \`ETAGS_ARGS'");
2606 # Every Makefile must define some sort of TAGS rule.
2607 # Otherwise, it would be possible for a top-level "make TAGS"
2608 # to fail because some subdirectory failed.
2609 $output_rules .= "tags: TAGS\nTAGS:\n\n";
2613 # Handle multilib support.
2616 return unless $seen_multilib;
2618 $output_rules .= &file_contents ('multilib');
2619 &push_phony_cleaners ('multi');
2622 # Worker for handle_dist.
2623 sub handle_dist_worker
2625 local ($makefile) = @_;
2627 $output_rules .= 'distdir: $(DISTFILES)' . "\n";
2629 # Initialization; only at top level.
2630 if ($relative_dir eq '.')
2632 if (defined $options{'check-news'})
2634 # For Gnits users, this is pretty handy. Look at 15 lines
2635 # in case some explanatory text is desirable.
2636 $output_rules .= ' @if sed 15q $(srcdir)/NEWS | fgrep -e "$(VERSION)" > /dev/null; then :; else \\
2637 echo "NEWS not updated; not releasing" 1>&2; \\
2644 # Create dist directory.
2645 $output_rules .= ("\t-chmod -R a+w \$(distdir) > /dev/null 2>&1; rm -rf \$(distdir)\n"
2646 . "\tmkdir \$(distdir)\n");
2649 # Scan EXTRA_DIST to see if we need to distribute anything from a
2650 # subdir. If so, add it to the list. I didn't want to do this
2651 # originally, but there were so many requests that I finally
2654 if (&variable_defined ('EXTRA_DIST'))
2656 # FIXME: This should be fixed to work with conditionals. That
2657 # will require only making the entries in @dist_dirs under the
2658 # appropriate condition. This is meaningful if the nature of
2659 # the distribution should depend upon the configure options
2661 foreach (&variable_value_as_list ('EXTRA_DIST', ''))
2664 next unless s,/+[^/]+$,,;
2665 push (@dist_dirs, $_)
2670 # We have to check DIST_COMMON for extra directories in case the
2671 # user put a source used in AC_OUTPUT into a subdir.
2672 foreach (&variable_value_as_list ('DIST_COMMON', 'all'))
2675 next unless s,/+[^/]+$,,;
2676 push (@dist_dirs, $_)
2682 # Prepend $(distdir) to each directory given. Doing it via a
2683 # hash lets us ensure that each directory is used only once.
2685 grep ($dhash{'$(distdir)/' . $_} = 1, @dist_dirs);
2686 $output_rules .= "\t";
2687 &pretty_print_rule ('$(mkinstalldirs)', "\t ", sort keys %dhash);
2690 # In loop, test for file existence because sometimes a file gets
2691 # included in DISTFILES twice. For example this happens when a
2692 # single source file is used in building more than one program.
2693 # Also, there are situations in which "ln" can fail. For instance
2694 # a file to distribute could actually be a cross-filesystem
2695 # symlink -- this can easily happen if "gettextize" was run on the
2697 $output_rules .= "\t\@for file in \$(DISTFILES); do \\\n";
2700 $output_rules .= "\t if test -f \$\$file; then d=.; else d=\$(srcdir); fi; \\\n";
2704 $output_rules .= "\t d=\$(srcdir); \\\n";
2706 $output_rules .= ("\t if test -d \$\$d/\$\$file; then \\\n"
2707 # Don't mention $$file in destination argument,
2708 # since this fails if destination directory
2709 # already exists. Also, use `-R' and not `-r'.
2710 # `-r' is almost always incorrect.
2711 . "\t cp -pR \$\$d/\$\$file \$(distdir) \\\n"
2712 . "\t || exit 1; \\\n"
2714 . "\t test -f \$(distdir)/\$\$file \\\n"
2715 . "\t || cp -p \$\$d/\$\$file \$(distdir)/\$\$file \\\n"
2716 . "\t || exit 1; \\\n"
2720 # If we have SUBDIRS, create all dist subdirectories and do
2722 if (&variable_defined ('SUBDIRS'))
2724 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
2725 # to all possible directories, and use it. If DIST_SUBDIRS is
2726 # defined, just use it.
2727 local ($dist_subdir_name);
2728 if (&variable_conditions ('SUBDIRS')
2729 || &variable_defined ('DIST_SUBDIRS'))
2731 $dist_subdir_name = 'DIST_SUBDIRS';
2732 if (! &variable_defined ('DIST_SUBDIRS'))
2734 local (@full_list) = &variable_value_as_list ('SUBDIRS',
2736 local (@ds_list, %uniq, $iter);
2737 foreach $iter (@full_list)
2739 if (! defined $uniq{$iter})
2742 push (@ds_list, $iter);
2745 &define_pretty_variable ('DIST_SUBDIRS', '', @ds_list);
2750 $dist_subdir_name = 'SUBDIRS';
2751 # We always define this because that is what `distclean'
2753 &define_pretty_variable ('DIST_SUBDIRS', '', '$(SUBDIRS)');
2756 # Test for directory existence here because previous automake
2757 # invocation might have created some directories. Note that
2758 # we explicitly set distdir for the subdir make; that lets us
2759 # mix-n-match many automake-using packages into one large
2760 # package, and have "dist" at the top level do the right
2761 # thing. If we're in the topmost directory, then we use
2762 # `distdir' instead of `top_distdir'; this lets us work
2763 # correctly with an enclosing package.
2765 ("\t" . 'for subdir in $(' . $dist_subdir_name . '); do ' . "\\\n"
2766 . "\t" . ' if test "$$subdir" = .; then :; else ' . "\\\n"
2767 . "\t" . ' test -d $(distdir)/$$subdir ' . "\\\n"
2768 . "\t" . ' || mkdir $(distdir)/$$subdir ' . "\\\n"
2769 . "\t" . ' || exit 1; ' . "\\\n"
2770 . "\t" . ' (cd $$subdir'
2771 . ' && $(MAKE) $(AM_MAKEFLAGS) top_distdir=../$('
2772 . (($relative_dir eq '.') ? 'distdir' : 'top_distdir')
2773 . ') distdir=../$(distdir)/$$subdir distdir) ' . "\\\n"
2774 . "\t" . ' || exit 1; ' . "\\\n"
2775 . "\t" . ' fi; ' . "\\\n"
2779 # If the target `dist-hook' exists, make sure it is run. This
2780 # allows users to do random weird things to the distribution
2781 # before it is packaged up.
2782 push (@dist_targets, 'dist-hook') if &target_defined ('dist-hook');
2785 foreach $targ (@dist_targets)
2787 # We must explicitly set distdir and top_distdir for these
2789 $output_rules .= ("\t\$(MAKE) \$(AM_MAKEFLAGS)"
2790 . " top_distdir=\"\$(top_distdir)\""
2791 . " distdir=\"\$(distdir)\" $targ\n");
2794 push (@phony, 'distdir');
2797 # Handle 'dist' target.
2800 local ($makefile) = @_;
2802 # Set up maint_charset.
2803 $local_maint_charset = &variable_value ('MAINT_CHARSET')
2804 if &variable_defined ('MAINT_CHARSET');
2805 $maint_charset = $local_maint_charset
2806 if $relative_dir eq '.';
2808 if (&variable_defined ('DIST_CHARSET'))
2810 &am_line_error ('DIST_CHARSET',
2811 "DIST_CHARSET defined but no MAINT_CHARSET defined")
2812 if ! $local_maint_charset;
2813 if ($relative_dir eq '.')
2815 $dist_charset = &variable_value ('DIST_CHARSET')
2819 &am_line_error ('DIST_CHARSET',
2820 "DIST_CHARSET can only be defined at top level");
2824 # Look for common files that should be included in distribution.
2826 foreach $cfile (@common_files)
2828 if (-f ($relative_dir . "/" . $cfile))
2830 &push_dist_common ($cfile);
2834 # Always require configure.ac and configure at top level, even if
2835 # they don't exist. This is especially important for configure,
2836 # since it won't be created until autoconf is run -- which might
2837 # be after automake is run.
2838 &push_dist_common ($configure_ac, 'configure')
2839 if $relative_dir eq '.';
2841 # We might copy elements from %configure_dist_common to
2842 # %dist_common if we think we need to. If the file appears in our
2843 # directory, we would have discovered it already, so we don't
2844 # check that. But if the file is in a subdir without a Makefile,
2845 # we want to distribute it here if we are doing `.'. Ugly!
2846 if ($relative_dir eq '.')
2849 foreach $iter (keys %configure_dist_common)
2851 if (! &is_make_dir (&dirname ($iter)))
2853 &push_dist_common ($iter);
2858 # Keys of %dist_common are names of files to distributed. We put
2859 # README first because it then becomes easier to make a
2860 # Usenet-compliant shar file (in these, README must be first).
2861 # FIXME: do more ordering of files here.
2863 if (defined $dist_common{'README'})
2865 push (@coms, 'README');
2866 delete $dist_common{'README'};
2868 push (@coms, sort keys %dist_common);
2870 # Now that we've processed %dist_common, disallow further attempts
2872 $handle_dist_run = 1;
2874 &define_pretty_variable ("DIST_COMMON", '', @coms);
2875 $output_vars .= "\n";
2878 $output_vars .= &file_contents ('dist-vars') . "\n";
2879 &define_variable ('GZIP_ENV', '--best');
2881 # Put these things in rules section so it is easier for whoever
2882 # reads Makefile.in.
2883 if (! &variable_defined ('distdir'))
2885 if ($relative_dir eq '.')
2887 $output_rules .= "\n" . 'distdir = $(PACKAGE)-$(VERSION)' . "\n";
2891 $output_rules .= ("\n"
2892 . 'distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)'
2896 if ($relative_dir eq '.')
2898 $output_rules .= "top_distdir = \$(distdir)\n";
2900 $output_rules .= "\n";
2902 # Generate 'dist' target, and maybe other dist targets.
2903 if ($relative_dir eq '.')
2905 # Rule to check whether a distribution is viable.
2906 local ($xform) = '';
2908 if (&target_defined ('distcheck-hook'))
2910 $xform .= 's/^DISTHOOK//;';
2914 $xform .= 's/^DISTHOOK.*$//;';
2918 $xform .= 's/^GETTEXT//;';
2922 $xform .= 's/^GETTEXT.*$//;';
2925 $output_rules .= &file_contents_with_transform ($xform, 'dist');
2927 local ($dist_all) = ('dist-all: distdir' . "\n"
2930 foreach $curs ('dist', 'dist-shar', 'dist-zip', 'dist-tarZ',
2933 if (defined $options{$curs} || $curs eq 'dist')
2935 $output_rules .= ($curs . ': distdir' . "\n"
2939 $dist_all .= $dist{$curs};
2942 $output_rules .= $dist_all . $dist_trailer;
2945 # Generate distdir target.
2946 &handle_dist_worker ($makefile);
2950 # add_depend2 ($LANG)
2951 # -------------------
2952 # A subroutine of handle_dependencies. This function includes
2953 # `depend2' with appropriate transformations.
2958 # First include code for ordinary objects.
2959 local ($key) = $lang . '-autodep';
2960 local ($xform, $ext);
2962 local ($pfx) = $language_map{$key};
2963 local ($fpfx) = ($pfx eq '') ? 'CC' : $pfx;
2964 $xform = &transform ('PFX' => $pfx,
2966 $xform .= $seen_objext ? 's/^OBJEXT//;' : 's/^OBJEXT.*$//;';
2967 $xform .= $seen_libtool ? 's/^LIBTOOL//;' : 's/^LIBTOOL.*$//;';
2969 # This function can be called even when we don't want dependency
2970 # tracking. This happens when we need an explicit rule for some
2971 # target. In this case we don't want to include the generic code.
2972 if ($use_dependencies)
2974 local ($xform1) = ($xform
2975 . &transform ('BASE' => '$*',
2981 foreach $ext (&lang_extensions ($lang))
2983 $output_rules .= (&file_contents_with_transform
2984 (&transform ('EXT' => $ext) . $xform1,
2990 # Now include code for each specially handled object with this
2992 local (@list) = grep ($_ ne '', split (' ', $lang_specific_files{$lang}));
2993 local ($max) = scalar @list;
2995 local ($derived, $source, $obj);
2997 # If dependency tracking is disabled, we just elide the code.
2998 if (! $use_dependencies)
3000 $xform .= 's/\@AMDEP\@.*$//;';
3005 $derived = $list[$i];
3006 $source = $list[$i + 1];
3007 $obj = $list[$i + 2];
3010 local ($flag) = $language_map{$lang . '-flags'};
3011 local ($val) = "(${derived}_${flag}";
3012 ($rule = $language_map{$lang . '-compile'}) =~
3015 # Generate a transform which will turn suffix targets in
3016 # depend2.am into real targets for the particular objects we
3019 &file_contents_with_transform
3021 . &transform ('$(' . $pfx . 'COMPILE)'
3023 '$(LT' . $pfx . 'COMPILE)'
3024 => '$(LIBTOOL) --mode=compile ' . $rule,
3025 # Handle source and obj transforms.
3026 'OBJ' => $obj . '.o',
3027 'OBJOBJ' => $obj . '.obj',
3028 'LTOBJ' => $obj . '.lo',
3030 'SOURCE' => $source)
3031 # Generate rule for `.o'.
3032 . 's/^\@EXT\@\.o:/' . $obj . '.o: ' . $source . '/g;'
3033 # Maybe generate rule for `.lo'. Might be eliminated
3035 . 's/^\@EXT\@\.lo:/' . $obj . '.lo: ' . $source . '/g;'
3036 # Maybe generate rule for `.obj'. Might be
3037 # eliminated by $XFORM.
3038 . 's/^\@EXT\@\.obj:/' . $obj . '.obj: ' . $source . '/g;',
3043 # Handle auto-dependency code.
3044 sub handle_dependencies
3046 if ($use_dependencies)
3048 # Include auto-dep code. Don't include it if DEP_FILES would
3050 if (&saw_sources_p (0) && keys %dep_files)
3052 local ($config_aux_dir_specified) = ($config_aux_dir ne '.'
3053 && $config_aux_dir ne '');
3055 # Set $require_file_found{'depcomp'} if the depcomp file exists,
3056 # before calling require_config_file on `depcomp'. This makes
3057 # require_file_internal skip its buggy existence test that would
3058 # make automake fail (with `required file `lib/depcomp' not found')
3059 # when AC_CONFIG_AUX_DIR is not set. See tests/subdir4.test.
3060 local ($depcomp_dir) = ($config_aux_dir_specified ? $config_aux_dir
3062 $require_file_found{'depcomp'} = 1 if -f "$depcomp_dir/depcomp";
3064 # Set location of depcomp.
3065 local ($prefix) = ($config_aux_dir_specified ? $config_aux_dir
3068 &define_variable ('depcomp', "\$(SHELL) $prefix/depcomp");
3070 &require_config_file ($FOREIGN, 'depcomp');
3073 local (@deplist) = sort keys %dep_files;
3075 &define_pretty_variable ('DEP_FILES', '', ("\@AMDEP\@", @deplist));
3077 # Generate each `include' individually. Irix 6 make will
3078 # not properly include several files resulting from a
3079 # variable expansion; generating many separate includes
3081 $output_rules .= "\n";
3082 foreach $iter (@deplist)
3084 $output_rules .= "\@AMDEP\@" . 'include ' . $iter . "\n";
3087 $output_rules .= &file_contents ('depend');
3088 push (@clean, 'depend');
3089 &push_phony_cleaners ('depend');
3094 &define_variable ('depcomp', '');
3097 local ($key, $lang, $ext, $xform);
3098 foreach $key (sort keys %language_map)
3100 next unless $key =~ /^(.*)-autodep$/;
3101 next if $language_map{$key} eq 'no';
3106 # Handle subdirectories.
3109 return if ! &variable_defined ('SUBDIRS');
3111 # Make sure each directory mentioned in SUBDIRS actually exists.
3113 foreach $dir (&variable_value_as_list ('SUBDIRS', 'all'))
3115 # Skip directories substituted by configure.
3116 next if $dir =~ /^\@.*\@$/;
3118 if (! -d $am_relative_dir . '/' . $dir)
3120 &am_line_error ('SUBDIRS',
3121 "required directory $am_relative_dir/$dir does not exist");
3125 &am_line_error ('SUBDIRS', "directory should not contain \`/'")
3129 local ($xform) = ('s/\@INSTALLINFO\@/' .
3130 (defined $options{'no-installinfo'}
3131 ? 'install-info-recursive'
3134 $output_rules .= &file_contents_with_transform ($xform, 'subdirs');
3135 &push_phony_cleaners ('recursive');
3137 $recursive_install = 1;
3140 # Handle aclocal.m4.
3141 sub handle_aclocal_m4
3143 local ($regen_aclocal) = 0;
3144 if (-f 'aclocal.m4')
3146 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4');
3147 &push_dist_common ('aclocal.m4');
3149 if (open (ACLOCAL, '< aclocal.m4'))
3155 if ($line =~ 'generated automatically by aclocal')
3162 local ($acinclude) = 0;
3163 if (-f 'acinclude.m4')
3169 # Note that it might be possible that aclocal.m4 doesn't exist but
3170 # should be auto-generated. This case probably isn't very
3174 local (@ac_deps) = (
3176 ? "\@MAINTAINER_MODE_TRUE\@"
3179 ($acinclude ? ' acinclude.m4' : '')
3182 if (&variable_defined ('ACLOCAL_M4_SOURCES'))
3184 push (@ac_deps, "\$(ACLOCAL_M4_SOURCES)");
3186 elsif (&variable_defined ('ACLOCAL_AMFLAGS'))
3188 # Scan all -I directories for m4 files. These are our
3190 local ($examine_next, $amdir) = 0;
3191 foreach $amdir (&variable_value_as_list ('ACLOCAL_AMFLAGS', ''))
3196 if ($amdir !~ /^\// && -d $amdir)
3198 foreach $ac_dep (&my_glob ($amdir . '/*.m4'))
3200 $ac_dep =~ s/^\.\/*//;
3201 push (@ac_deps, $ac_dep)
3202 unless $ac_dep eq "aclocal.m4"
3203 || $ac_dep eq "acinclude.m4";
3207 elsif ($amdir eq '-I')
3214 &pretty_print_rule ("\$(ACLOCAL_M4):", "\t\t", @ac_deps);
3216 $output_rules .= ("\t"
3217 . 'cd $(srcdir) && $(ACLOCAL)'
3218 . (&variable_defined ('ACLOCAL_AMFLAGS')
3219 ? ' $(ACLOCAL_AMFLAGS)' : '')
3224 # Rewrite a list of input files into a form suitable to put on a
3225 # dependency list. The idea is that if an input file has a directory
3226 # part the same as the current directory, then the directory part is
3227 # simply removed. But if the directory part is different, then
3228 # $(top_srcdir) is prepended. Among other things, this is used to
3229 # generate the dependency list for the output files generated by
3230 # AC_OUTPUT. Consider what the dependencies should look like in this
3232 # AC_OUTPUT(src/out:src/in1:lib/in2)
3233 # The first argument, ADD_SRCDIR, is 1 if $(top_srcdir) should be added.
3234 # If 0 then files that require this addition will simply be ignored.
3235 sub rewrite_inputs_into_dependencies
3237 local ($add_srcdir, @inputs) = @_;
3238 local ($single, @newinputs);
3240 foreach $single (@inputs)
3242 if (&dirname ($single) eq $relative_dir)
3244 push (@newinputs, &basename ($single));
3248 push (@newinputs, '$(top_srcdir)/' . $single);
3255 # Handle remaking and configure stuff.
3256 # We need the name of the input file, to do proper remaking rules.
3257 sub handle_configure
3259 local ($local, $input, @secondary_inputs) = @_;
3261 local ($top_reldir);
3263 local ($input_base) = &basename ($input);
3264 local ($local_base) = &basename ($local);
3266 local ($amfile) = $input_base . '.am';
3267 # We know we can always add '.in' because it really should be an
3268 # error if the .in was missing originally.
3269 local ($infile) = '$(srcdir)/' . $input_base . '.in';
3270 local ($colon_infile);
3271 if ($local ne $input || @secondary_inputs)
3273 $colon_infile = ':' . $input . '.in';
3275 $colon_infile .= ':' . join (':', @secondary_inputs)
3276 if @secondary_inputs;
3278 local (@rewritten) = &rewrite_inputs_into_dependencies (1,
3281 # This rule remakes the Makefile.in. Note use of
3282 # @MAINTAINER_MODE_TRUE@ forces us to abandon pretty-printing.
3284 $output_rules .= ($infile
3285 # NOTE perl 5.003 (with -w) gives a
3286 # uninitialized value error on the next line.
3289 . ($seen_maint_mode ? "\@MAINTAINER_MODE_TRUE\@ " : '')
3291 . '$(top_srcdir)/' . $configure_ac .' $(ACLOCAL_M4)'
3292 . ' ' . join (' ', @include_stack)
3294 . "\tcd \$(top_srcdir) && \$(AUTOMAKE) "
3295 . ($cygnus_mode ? '--cygnus' : ('--' . $strictness_name))
3296 . ($cmdline_use_dependencies ? '' : ' --ignore-deps')
3297 . ' ' . $input . $colon_infile . "\n\n");
3299 # This rule remakes the Makefile.
3300 $output_rules .= ($local_base
3301 # NOTE: bogus uninit value error on next line;
3302 # see comment above.
3305 . join (' ', @rewritten)
3306 . ' $(top_builddir)/config.status'
3308 . "\tcd \$(top_builddir) \\\n"
3309 . "\t && CONFIG_FILES="
3310 . (($relative_dir eq '.') ? '$@' : '$(subdir)/$@')
3312 . ' CONFIG_HEADERS= $(SHELL) ./config.status'
3315 if ($relative_dir ne '.')
3318 $top_reldir = '../';
3322 local ($xform) = &transform ('CONFIGURE_AC' => $configure_ac);
3324 $output_rules .= &file_contents_with_transform ($xform,
3326 &examine_variable ('CONFIG_STATUS_DEPENDENCIES');
3327 &examine_variable ('CONFIGURE_DEPENDENCIES');
3330 &push_dist_common ('acconfig.h')
3334 # If we have a configure header, require it.
3336 local (@local_fullnames) = @config_fullnames;
3337 local (@local_names) = @config_names;
3338 local ($hdr_index) = 0;
3339 local ($distclean_config) = '';
3340 foreach $one_hdr (@config_headers)
3342 local ($one_fullname) = shift (@local_fullnames);
3343 local ($one_name) = shift (@local_names);
3345 local ($header_dir) = &dirname ($one_name);
3347 # If the header is in the current directory we want to build
3348 # the header here. Otherwise, if we're at the topmost
3349 # directory and the header's directory doesn't have a
3350 # Makefile, then we also want to build the header.
3351 if ($relative_dir eq $header_dir
3352 || ($relative_dir eq '.' && ! &is_make_dir ($header_dir)))
3354 local ($ch_sans_dir, $cn_sans_dir, $stamp_dir);
3355 if ($relative_dir eq $header_dir)
3357 $cn_sans_dir = &basename ($one_name);
3362 $cn_sans_dir = $one_name;
3363 if ($header_dir eq '.')
3369 $stamp_dir = $header_dir . '/';
3373 # Compute relative path from directory holding output
3374 # header to directory holding input header. FIXME:
3375 # doesn't handle case where we have multiple inputs.
3376 if (&dirname ($one_hdr) eq $relative_dir)
3378 $ch_sans_dir = &basename ($one_hdr);
3382 local (@rel_out_path);
3383 # FIXME this chunk of code should be its own sub.
3384 # It is used elsewhere.
3385 foreach (split (/\//, $relative_dir))
3387 next if $_ eq '' || $_ eq '.';
3390 # FIXME: actually this is an error.
3395 push (@rel_out_path, '..');
3400 $ch_sans_dir = join ('/', @rel_out_path) . '/' . $one_hdr;
3404 $ch_sans_dir = $one_hdr;
3408 &require_file_with_conf_line ($config_header_line,
3409 $FOREIGN, $ch_sans_dir);
3411 # Header defined and in this directory.
3413 if (-f $one_name . '.top')
3415 push (@files, "${cn_sans_dir}.top");
3417 if (-f $one_name . '.bot')
3419 push (@files, "${cn_sans_dir}.bot");
3422 &push_dist_common (@files);
3424 # For now, acconfig.h can only appear in the top srcdir.
3425 if (-f 'acconfig.h')
3427 if ($relative_dir eq '.')
3429 push (@files, 'acconfig.h');
3433 # Strange quoting because this gets fed through
3435 push (@files, '\$(top_srcdir)/acconfig.h');
3439 local ($stamp_name) = 'stamp-h';
3440 $stamp_name .= "${hdr_index}" if scalar (@config_headers) > 1;
3442 local ($xform) = '';
3444 $xform = &transform ('CONFIGURE_AC' => $configure_ac,
3445 'FILES' => join (' ', @files),
3446 'CONFIG_HEADER' => $cn_sans_dir,
3447 'CONFIG_HEADER_IN' => $ch_sans_dir,
3448 'CONFIG_HEADER_FULL' => $one_fullname,
3449 'STAMP' => "$stamp_dir$stamp_name");
3451 local ($out_dir) = &dirname ($ch_sans_dir);
3452 $xform .= &transform ('SRC_STAMP' => "${out_dir}/${stamp_name}");
3453 $output_rules .= &file_contents_with_transform ($xform,
3456 &create ("${relative_dir}/${out_dir}/${stamp_name}.in");
3457 &require_file_with_conf_line ($config_header_line, $FOREIGN,
3458 "${out_dir}/${stamp_name}.in");
3460 $distclean_config .= ' ' if $distclean_config;
3461 $distclean_config .= $cn_sans_dir;
3465 if ($distclean_config)
3467 $output_rules .= &file_contents_with_transform ('s,\@FILES\@,'
3471 push (@clean, 'hdr');
3472 &push_phony_cleaners ('hdr');
3475 # Set location of mkinstalldirs.
3476 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
3478 &define_variable ('mkinstalldirs', ('$(SHELL) ' . $config_aux_dir
3479 . '/mkinstalldirs'));
3483 &define_variable ('mkinstalldirs',
3484 '$(SHELL) $(top_srcdir)/mkinstalldirs');
3487 &am_line_error ('CONFIG_HEADER',
3488 "\`CONFIG_HEADER' is an anachronism; now determined from \`$configure_ac'")
3489 if &variable_defined ('CONFIG_HEADER');
3492 local ($config_header) = '';
3493 foreach $one_name (@config_names)
3495 # Generate CONFIG_HEADER define.
3497 if ($relative_dir eq &dirname ($one_name))
3499 $one_hdr = &basename ($one_name);
3503 $one_hdr = "${top_builddir}/${one_name}";
3506 $config_header .= ' ' if $config_header;
3507 $config_header .= $one_hdr;
3511 &define_variable ("CONFIG_HEADER", $config_header);
3514 # Now look for other files in this directory which must be remade
3515 # by config.status, and generate rules for them.
3516 local (@actual_other_files) = ();
3517 local ($file, $local);
3518 local (@inputs, @rewritten_inputs, $single);
3519 local ($need_rewritten);
3520 foreach $file (@other_input_files)
3522 if ($file =~ /^([^:]*):(.*)$/)
3524 # This is the ":" syntax of AC_OUTPUT.
3526 $local = &basename ($file);
3527 @inputs = split (':', $2);
3528 @rewritten_inputs = &rewrite_inputs_into_dependencies (1, @inputs);
3529 $need_rewritten = 1;
3534 $local = &basename ($file);
3535 @inputs = ($local . '.in');
3537 &rewrite_inputs_into_dependencies (1, $file . '.in');
3538 $need_rewritten = 0;
3541 # Skip files not in this directory.
3542 next unless &dirname ($file) eq $relative_dir;
3544 # Skip any file that is an automake input.
3545 next if -f $file . '.am';
3547 # Some users have been tempted to put `stamp-h' in the
3548 # AC_OUTPUT line. This won't do the right thing, so we
3549 # explicitly fail here.
3550 if ($local eq 'stamp-h')
3552 # FIXME: allow real filename.
3553 &am_conf_error ($configure_ac, $ac_output_line,
3554 'stamp-h should not appear in AC_OUTPUT');
3558 $output_rules .= ($local . ': '
3559 . '$(top_builddir)/config.status '
3560 . join (' ', @rewritten_inputs) . "\n"
3562 . 'cd $(top_builddir) && CONFIG_FILES='
3563 . ($relative_dir eq '.' ? '' : '$(subdir)/')
3564 . '$@' . ($need_rewritten
3565 ? (':' . join (':', @inputs))
3567 . ' CONFIG_HEADERS= $(SHELL) ./config.status'
3569 &push_dist_common (@inputs);
3570 push (@actual_other_files, $local);
3572 # Require all input files.
3573 &require_file_with_conf_line ($ac_output_line, $FOREIGN,
3574 &rewrite_inputs_into_dependencies (0, @inputs));
3577 # These files get removed by "make clean".
3578 &define_pretty_variable ('CONFIG_CLEAN_FILES', '', @actual_other_files);
3585 @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
3586 'oldinclude', 'pkginclude',
3590 next unless /\.(.*)$/;
3591 &saw_extension ($1);
3597 return if ! $seen_gettext || $relative_dir ne '.';
3599 if (! &variable_defined ('SUBDIRS'))
3602 ("AM_GNU_GETTEXT used but SUBDIRS not defined");
3606 &require_file_with_conf_line ($ac_gettext_line, $GNU, 'ABOUT-NLS');
3608 if (&variable_defined ('SUBDIRS'))
3612 "AM_GNU_GETTEXT in \`$configure_ac' but \`po' not in SUBDIRS")
3613 if $contents{'SUBDIRS'} !~ /\bpo\b/;
3616 "AM_GNU_GETTEXT in \`$configure_ac' but \`intl' not in SUBDIRS")
3617 if $contents{'SUBDIRS'} !~ /\bintl\b/;
3620 # Ensure that each language in ALL_LINGUAS has a .po file, and
3621 # each po file is mentioned in ALL_LINGUAS.
3624 local (%linguas) = ();
3625 grep ($linguas{$_} = 1, split (' ', $all_linguas));
3632 &am_line_error ($all_linguas_line,
3633 ("po/$_.po exists but \`$_' not in \`ALL_LINGUAS'"))
3637 foreach (keys %linguas)
3639 &am_line_error ($all_linguas_line,
3640 "$_ in \`ALL_LINGUAS' but po/$_.po does not exist")
3646 &am_error ("AM_GNU_GETTEXT in \`$configure_ac' but \`ALL_LINGUAS' not defined");
3650 # Handle footer elements.
3653 if ($contents{'SOURCES'})
3655 # NOTE don't use define_pretty_variable here, because
3656 # $contents{...} is already defined.
3657 $output_vars .= 'SOURCES = ' . $contents{'SOURCES'} . "\n";
3659 if ($contents{'OBJECTS'})
3661 # NOTE don't use define_pretty_variable here, because
3662 # $contents{...} is already defined.
3663 $output_vars .= 'OBJECTS = ' . $contents{'OBJECTS'} . "\n";
3665 if ($contents{'SOURCES'} || $contents{'OBJECTS'})
3667 $output_vars .= "\n";
3670 if (&target_defined ('.SUFFIXES'))
3672 &am_line_error ('.SUFFIXES',
3673 "use variable \`SUFFIXES', not target \`.SUFFIXES'");
3676 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
3677 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
3678 # anything else, by sticking it right after the default: target.
3679 $output_header .= ".SUFFIXES:\n";
3680 if (@suffixes || &variable_defined ('SUFFIXES'))
3682 # Make sure suffixes has unique elements. Sort them to ensure
3683 # the output remains consistent. However, $(SUFFIXES) is
3684 # always at the start of the list, unsorted. This is done
3685 # because make will choose rules depending on the ordering of
3686 # suffixes, and this lets the user have some control. Push
3687 # actual suffixes, and not $(SUFFIXES). Some versions of make
3688 # do not like variable substitutions on the .SUFFIXES line.
3690 local (@user_suffixes) = (&variable_defined ('SUFFIXES')
3691 ? &variable_value_as_list ('SUFFIXES', '')
3694 grep ($suffixes{$_} = 1, @suffixes);
3695 delete @suffixes{@user_suffixes};
3697 $output_header .= (".SUFFIXES: "
3698 . join (' ', @user_suffixes, sort keys %suffixes)
3701 $output_trailer .= &file_contents ('footer');
3704 # Deal with installdirs target.
3705 sub handle_installdirs
3707 # GNU Makefile standards recommend this.
3708 if ($recursive_install)
3710 # We create a separate `-am' target so that the -recursive
3711 # rule will work correctly.
3712 $output_rules .= ("installdirs: installdirs-recursive\n"
3713 . "installdirs-am:\n");
3714 push (@phony, 'installdirs-am');
3718 $output_rules .= "installdirs:\n";
3720 push (@phony, 'installdirs');
3723 &pretty_print_rule ("\t" . '$(mkinstalldirs) ', "\t\t",
3726 $output_rules .= "\n";
3729 # There are several targets which need to be merged. This is because
3730 # their complete definition is compiled from many parts. Note that we
3731 # avoid double colon rules, otherwise we'd use them instead.
3732 sub handle_merge_targets
3734 local ($makefile) = @_;
3736 # There are a few install-related variables that you should not define.
3738 foreach $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
3740 if (&variable_defined ($var))
3742 &am_line_error ($var, "\`$var' should not be defined");
3746 # Put this at the beginning for the sake of non-GNU makes. This
3747 # is still wrong if these makes can run parallel jobs. But it is
3749 unshift (@all, &basename ($makefile));
3752 foreach $one_name (@config_names)
3754 push (@all, &basename ($one_name))
3755 if &dirname ($one_name) eq $relative_dir;
3758 &do_one_merge_target ('info', @info);
3759 &do_one_merge_target ('dvi', @dvi);
3760 &do_check_merge_target;
3761 &do_one_merge_target ('installcheck', @installcheck);
3763 if (defined $options{'no-installinfo'})
3765 &do_one_merge_target ('install-info', '');
3767 elsif (&target_defined ('install-info-local'))
3769 &am_line_error ('install-info-local',
3770 "\`install-info-local' target defined but \`no-installinfo' option not in use");
3774 foreach $utarg ('uninstall-data-local', 'uninstall-data-hook',
3775 'uninstall-exec-local', 'uninstall-exec-hook')
3777 if (&target_defined ($utarg))
3780 ($x = $utarg) =~ s/(data|exec)-//;
3781 &am_line_error ($utarg, "use \`$x', not \`$utarg'");
3785 if (&target_defined ('install-local'))
3787 &am_line_error ('install-local',
3788 "use \`install-data-local' or \`install-exec-local', not \`install-local'");
3791 if (@all || &variable_defined ('BUILT_SOURCES'))
3794 local ($local_headers) = '';
3795 $local_headers = '$(BUILT_SOURCES)'
3796 if &variable_defined ('BUILT_SOURCES');
3797 foreach $one_name (@config_names)
3799 if (&dirname ($one_name) eq $relative_dir)
3801 $local_headers .= ' ' if $local_headers;
3802 $local_headers .= &basename ($one_name);
3807 # This is kind of a hack, but I couldn't see a better way
3808 # to handle it. In this particular case, we need to make
3809 # sure config.h is built before we recurse. We can't do
3810 # this by changing the order of dependencies to the "all"
3811 # because that breaks when using parallel makes. Instead
3812 # we handle things explicitly.
3813 $output_rules .= ("all-recursive-am: ${local_headers}"
3815 . '$(MAKE) $(AM_MAKEFLAGS)'
3818 $all_target = 'all-recursive-am';
3819 push (@phony, 'all-recursive-am');
3823 if (&variable_defined('lib_LTLIBRARIES') &&
3824 &variable_defined('bin_PROGRAMS'))
3826 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
3828 # Print definitions users can use.
3829 &do_one_merge_target ('install-exec', @install_exec);
3830 $output_rules .= "\n";
3832 &do_one_merge_target ('install-data', @install_data);
3833 $output_rules .= "\n";
3835 &do_one_merge_target ('install', 'all-am');
3836 &do_one_merge_target ('uninstall', @uninstall);
3838 &do_one_merge_target ('all', @all);
3840 # Generate the new 'install-strip' target. We can't just set
3841 # INSTALL_PROGRAM because that might be a relative path.
3842 $output_rules .= ("install-strip:\n\t"
3843 . '$(MAKE) $(AM_MAKEFLAGS) INSTALL_STRIP_FLAG=-s install'
3845 push (@phony, 'install-strip');
3848 # Helper for handle_merge_targets. Note that handle_merge_targets
3849 # relies on the fact that this doesn't add an extra \n at the end.
3850 sub do_one_merge_target
3852 local ($name, @values) = @_;
3854 if (&target_defined ($name . '-local'))
3856 # User defined local form of target. So include it.
3857 push (@values, $name . '-local');
3858 push (@phony, $name . '-local');
3861 &pretty_print_rule ($name . "-am:", "\t\t", @values);
3862 if ($name eq 'install')
3864 # Special-case `install-am' to run install-exec-am and
3865 # install-data-am after all-am is built.
3866 &pretty_print_rule ("\t\@\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3867 'install-exec-am', 'install-data-am');
3869 elsif ($name eq 'install-exec' && &target_defined ('install-exec-hook'))
3871 $output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
3872 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-exec-hook'
3875 elsif ($name eq 'install-data' && &target_defined ('install-data-hook'))
3877 $output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
3878 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-data-hook'
3882 local ($lname) = $name . ($recursive_install ? '-recursive' : '-am');
3883 local ($tname) = $name;
3884 # To understand this special case, see handle_merge_targets.
3887 $tname = 'all-redirect';
3888 $lname = $all_target if $recursive_install;
3889 push (@phony, 'all-redirect');
3890 $output_all = "all: all-redirect\n";
3892 &pretty_print_rule ($tname . ":", "\t\t", $lname);
3893 push (@phony, $name . '-am', $name);
3896 # Handle check merge target specially.
3897 sub do_check_merge_target
3899 if (&target_defined ('check-local'))
3901 # User defined local form of target. So include it.
3902 push (@check_tests, 'check-local');
3903 push (@phony, 'check-local');
3906 # In --cygnus mode, check doesn't depend on all.
3909 # Just run the local check rules.
3910 &pretty_print_rule ('check-am:', "\t\t", @check);
3914 # The check target must depend on the local equivalent of
3915 # `all', to ensure all the primary targets are built. Then it
3916 # must build the local check rules.
3917 $output_rules .= "check-am: all-am\n";
3918 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3922 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
3926 push (@phony, 'check', 'check-am');
3927 $output_rules .= ("check: "
3928 . ($recursive_install ? 'check-recursive' : 'check-am')
3932 # Handle all 'clean' targets.
3935 local ($xform) = '';
3938 # Don't include `MAINTAINER'; it is handled specially below.
3939 foreach $name ('MOSTLY', '', 'DIST')
3941 if (! &variable_defined ($name . 'CLEANFILES'))
3943 $xform .= 's/^' . $name . 'CLEAN.*$//;';
3947 $xform .= 's/^' . $name . 'CLEAN//;';
3951 # Built sources are automatically removed by maintainer-clean.
3952 push (@maintainer_clean_files, '\$(BUILT_SOURCES)')
3953 if &variable_defined ('BUILT_SOURCES');
3954 push (@maintainer_clean_files, '\$(MAINTAINERCLEANFILES)')
3955 if &variable_defined ('MAINTAINERCLEANFILES');
3956 if (! @maintainer_clean_files)
3958 $xform .= 's/^MAINTAINERCLEAN.*$//;';
3962 $xform .= ('s/^MAINTAINERCLEAN//;'
3963 # Join with no space to avoid spurious `test -z'
3964 # success at runtime.
3965 . 's,\@MCFILES\@,' . join ('', @maintainer_clean_files)
3967 # A space is required in the join here.
3968 . 's,\@MFILES\@,' . join (' ', @maintainer_clean_files)
3972 $output_rules .= &file_contents_with_transform ($xform, 'clean');
3974 push (@clean, 'generic');
3975 &push_phony_cleaners ('generic');
3977 &do_one_clean_target ('clean', 'mostly', '', @clean);
3978 &do_one_clean_target ('clean', '', 'mostly', @clean);
3979 &do_one_clean_target ('clean', 'dist', '', @clean);
3980 &do_one_clean_target ('clean', 'maintainer-', 'dist', @clean);
3982 push (@phony, 'clean', 'mostlyclean', 'distclean', 'maintainer-clean');
3985 # Helper for handle_clean.
3986 sub do_one_clean_target
3988 local ($target, $name, $last_name, @deps) = @_;
3990 # Change each dependency `BLARG' into `clean-BLARG'.
3991 grep (($_ = $name . 'clean-' . $_) && 0, @deps);
3993 # Push the previous clean target. There is no previous clean
3994 # target if we're doing mostlyclean.
3995 push (@deps, $last_name . $target . '-am')
3996 unless $name eq 'mostly';
3998 # If a -local version of the rule is given, add it to the list.
3999 if (&target_defined ($name . $target . '-local'))
4001 push (@deps, $name . $target . '-local');
4004 # Print the target and the dependencies.
4005 &pretty_print_rule ($name . $target . "-am: ", "\t\t", @deps);
4007 # FIXME: shouldn't we really print these messages before running
4009 if ($name . $target eq 'maintainer-clean')
4011 # Print a special warning.
4013 ("\t\@echo \"This command is intended for maintainers to use;\"\n"
4014 . "\t\@echo \"it deletes files that may require special "
4015 . "tools to rebuild.\"\n");
4017 elsif ($name . $target eq 'distclean')
4019 $output_rules .= "\t-rm -f libtool\n" if $seen_libtool;
4021 $output_rules .= "\n";
4023 # Now generate the actual clean target.
4024 $output_rules .= ($name . $target . ": " . $name . $target
4025 . ($recursive_install ? '-recursive' : '-am')
4028 # We special-case config.status here. If we do it as part of the
4029 # normal clean processing for this directory, then it might be
4030 # removed before some subdir is cleaned. However, that subdir's
4031 # Makefile depends on config.status.
4032 if (($name . $target eq 'maintainer-clean'
4033 || $name . $target eq 'distclean')
4034 && $relative_dir eq '.')
4036 $output_rules .= "\t-rm -f config.status\n";
4038 $output_rules .= "\n";
4041 # Handle .PHONY target.
4044 &pretty_print_rule ('.PHONY:', "", sort @phony);
4045 $output_rules .= "\n";
4049 # handle_tests_dejagnu()
4050 # ----------------------
4051 sub handle_tests_dejagnu
4053 push (@check_tests, 'check-DEJAGNU');
4058 $xform = 's/^CYGNUS//;';
4062 $xform = 's/^CYGNUS.*$//;';
4064 $output_rules .= &file_contents_with_transform ($xform, 'dejagnu');
4066 # In Cygnus mode, these are found in the build tree.
4067 # Otherwise they are looked for in $PATH.
4068 &define_program_variable ('EXPECT', 'build', 'expect', 'expect');
4069 &define_program_variable ('RUNTEST', 'src', 'dejagnu', 'runtest');
4071 # Only create site.exp rule if user hasn't already written
4073 if (! &target_defined ('site.exp'))
4075 # Note that in the rule we don't directly generate
4076 # site.exp to avoid the possibility of a corrupted
4077 # site.exp if make is interrupted. Jim Meyering has some
4078 # useful text on this topic.
4079 $output_rules .= ("site.exp: Makefile\n"
4080 . "\t\@echo 'Making a new site.exp file...'\n"
4081 . "\t\@test ! -f site.bak || rm -f site.bak\n"
4082 . "\t\@echo '## these variables are automatically generated by make ##' > \$\@-t\n"
4083 . "\t\@echo '# Do not edit here. If you wish to override these values' >> \$\@-t\n"
4084 . "\t\@echo '# edit the last section' >> \$\@-t\n"
4085 . "\t\@echo 'set tool \$(DEJATOOL)' >> \$\@-t\n"
4086 . "\t\@echo 'set srcdir \$(srcdir)' >> \$\@-t\n"
4087 . "\t\@echo 'set objdir' \`pwd\` >> \$\@-t\n");
4089 # Extra stuff for AC_CANONICAL_*
4090 local (@whatlist) = ();
4091 if ($seen_canonical)
4093 push (@whatlist, 'host');
4096 # Extra stuff only for AC_CANONICAL_SYSTEM.
4097 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
4099 push (@whatlist, 'target', 'build');
4103 foreach $c1 (@whatlist)
4105 foreach $c2 ('alias', 'triplet')
4107 $output_rules .= "\t\@echo 'set ${c1}_${c2} \$(${c1}_${c2})' >> \$\@-t\n";
4111 $output_rules .= ("\t\@echo '## All variables above are generated by configure. Do Not Edit ##' >> \$\@-t\n"
4112 . "\t\@test ! -f site.exp || sed '1,/^## All variables above are.*##/ d' site.exp >> \$\@-t\n"
4113 . "\t\@test ! -f site.exp || mv site.exp site.bak\n"
4114 . "\t\@mv \$\@-t site.exp\n");
4119 # Handle TESTS variable and other checks.
4122 if (defined $options{'dejagnu'})
4124 &handle_tests_dejagnu;
4129 foreach $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4131 if (&variable_defined ($c))
4133 &am_line_error ($c, "\`$c' defined but \`dejagnu' not in \`AUTOMAKE_OPTIONS'");
4138 if (&variable_defined ('TESTS'))
4140 push (@check_tests, 'check-TESTS');
4142 # Note: Solaris 2.7 seems to expand TESTS using VPATH. That's
4143 # why we also try `dir='
4144 $output_rules .= &file_contents ('check');
4148 # Handle Emacs Lisp.
4149 sub handle_emacs_lisp
4151 local (@elfiles) = &am_install_var ('-candist', 'lisp', 'LISP',
4157 &define_configure_variable ('lispdir');
4158 &define_configure_variable ('EMACS');
4159 $output_rules .= (".el.elc:\n"
4160 . "\t\@echo 'WARNING: Warnings can be ignored. :-)'\n"
4161 . "\tif test \$(EMACS) != no; then \\\n"
4162 . "\t EMACS=\$(EMACS) \$(SHELL) \$(srcdir)/elisp-comp \$<; \\\n"
4164 push (@suffixes, '.el', '.elc');
4166 # Generate .elc files.
4167 grep ($_ .= 'c', @elfiles);
4168 &define_pretty_variable ('ELCFILES', '', @elfiles);
4170 $output_rules .= &file_contents ('lisp-clean');
4171 push (@clean, 'lisp');
4172 &push_phony_cleaners ('lisp');
4174 push (@all, '$(ELCFILES)');
4177 if (&variable_defined ('lisp_LISP'))
4179 $varname = 'lisp_LISP';
4180 &am_error ("\`lisp_LISP' defined but \`AM_PATH_LISPDIR' not in \`$configure_ac'")
4185 $varname = 'noinst_LISP';
4188 &require_file_with_line ($varname, $FOREIGN, 'elisp-comp');
4195 local (@pyfiles) = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4196 'python', 'noinst');
4197 return if ! @pyfiles;
4199 # Found some python.
4200 &define_configure_variable ('pythondir');
4201 &define_configure_variable ('PYTHON');
4203 $output_rules .= &file_contents ('python-clean');
4204 push (@clean, 'python');
4206 &am_error ("\`python_PYTHON' defined but \`AM_CHECK_PYTHON' not in \`$configure_ac'")
4207 if ! $seen_pythondir && &variable_defined ('python_PYTHON');
4209 if ($config_aux_dir eq '.' || $config_aux_dir eq '')
4211 &define_variable ('py_compile', '$(top_srcdir)/py-compile');
4215 &define_variable ('py_compile', $config_aux_dir . '/py-compile');
4222 local (@sourcelist) = &am_install_var ('-candist', '-clean',
4224 'java', 'noinst', 'check');
4225 return if ! @sourcelist;
4227 &define_variable ('JAVAC', 'javac');
4228 &define_variable ('JAVACFLAGS', '');
4229 &define_variable ('CLASSPATH_ENV',
4230 'CLASSPATH=$(JAVAROOT):$(srcdir)/$(JAVAROOT):$$CLASSPATH');
4231 &define_variable ('JAVAROOT', '$(top_builddir)');
4233 local (%valid) = &am_primary_prefixes ('JAVA', 1,
4234 'java', 'noinst', 'check');
4236 local ($dir, $curs);
4237 foreach $curs (keys %valid)
4239 if (! &variable_defined ($curs . '_JAVA') || $curs eq 'EXTRA')
4246 &am_line_error ($curs . '_JAVA',
4247 "multiple _JAVA primaries in use");
4252 $output_rules .= ('class' . $dir . '.stamp: $(' . $dir . '_JAVA)' . "\n"
4253 . "\t" . '$(CLASSPATH_ENV) $(JAVAC) -d $(JAVAROOT) '
4254 . '$(JAVACFLAGS) $?' . "\n"
4255 . "\t" . 'echo timestamp > class' . $dir . '.stamp'
4257 push (@all, 'class' . $dir . '.stamp');
4258 &push_dist_common ('$(' . $dir . '_JAVA)');
4261 # Handle some of the minor options.
4262 sub handle_minor_options
4264 if (defined $options{'readme-alpha'})
4266 if ($relative_dir eq '.')
4268 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
4270 # FIXME: allow real filename.
4271 &am_conf_line_error ($configure_ac,
4272 $package_version_line,
4273 "version \`$package_version' doesn't follow Gnits standards");
4275 elsif (defined $1 && -f 'README-alpha')
4277 # This means we have an alpha release. See
4278 # GNITS_VERSION_PATTERN for details.
4279 &require_file ($FOREIGN, 'README-alpha');
4285 ################################################################
4287 # &scan_one_autoconf_file ($FILENAME)
4288 # -----------------------------------
4289 # Scan one file for interesting things. Subroutine of
4290 # &scan_autoconf_files.
4291 sub scan_one_autoconf_file
4293 local ($filename) = @_;
4296 open (CONFIGURE, $filename)
4297 || die "automake: couldn't open \`$filename': $!\n";
4298 print "automake: reading $filename\n" if $verbose;
4302 # Remove comments from current line.
4306 # Skip macro definitions. Otherwise we might be confused into
4307 # thinking that a macro that was only defined was actually
4311 # Follow includes. This is a weirdness commonly in use at
4312 # Cygnus and hopefully nowhere else.
4313 if (/sinclude\((.*)\)/ && -f $1)
4315 &scan_one_autoconf_file ($1);
4318 # Populate libobjs array.
4319 if (/AC_FUNC_ALLOCA/)
4321 $libsources{'alloca.c'} = 1;
4323 elsif (/AC_FUNC_GETLOADAVG/)
4325 $libsources{'getloadavg.c'} = 1;
4327 elsif (/AC_FUNC_MEMCMP/)
4329 $libsources{'memcmp.c'} = 1;
4331 elsif (/AC_STRUCT_ST_BLOCKS/)
4333 $libsources{'fileblocks.c'} = 1;
4335 elsif (/A[CM]_REPLACE_GNU_GETOPT/)
4337 $libsources{'getopt.c'} = 1;
4338 $libsources{'getopt1.c'} = 1;
4340 elsif (/AM_FUNC_STRTOD/)
4342 $libsources{'strtod.c'} = 1;
4344 elsif (/AM_WITH_REGEX/)
4346 $libsources{'rx.c'} = 1;
4347 $libsources{'rx.h'} = 1;
4348 $libsources{'regex.c'} = 1;
4349 $libsources{'regex.h'} = 1;
4350 $omit_dependencies{'rx.h'} = 1;
4351 $omit_dependencies{'regex.h'} = 1;
4353 elsif (/AC_FUNC_MKTIME/)
4355 $libsources{'mktime.c'} = 1;
4357 elsif (/AM_FUNC_ERROR_AT_LINE/)
4359 $libsources{'error.c'} = 1;
4360 $libsources{'error.h'} = 1;
4362 elsif (/AM_FUNC_OBSTACK/)
4364 $libsources{'obstack.c'} = 1;
4365 $libsources{'obstack.h'} = 1;
4367 elsif (/LIBOBJS="(.*)\s+\$LIBOBJS"/
4368 || /LIBOBJS="\$LIBOBJS\s+(.*)"/)
4370 foreach $libobj_iter (split (' ', $1))
4372 if ($libobj_iter =~ /^(.*)\.o(bj)?$/
4373 || $libobj_iter =~ /^(.*)\.\$ac_objext$/
4374 || $libobj_iter =~ /^(.*)\.\$\{ac_objext\}$/)
4376 $libsources{$1 . '.c'} = 1;
4380 elsif (/AC_LIBOBJ\(([^)]+)\)/)
4382 $libsources{"$1.c"} = 1;
4385 if (! $in_ac_replace && s/AC_REPLACE_FUNCS\s*\(\[?//)
4391 $in_ac_replace = 0 if s/[\]\)].*$//;
4392 # Remove trailing backslash.
4396 # Need to skip empty elements for Perl 4.
4398 $libsources{$_ . '.c'} = 1;
4402 if (/$obsolete_rx/o)
4405 if ($obsolete_macros{$1} ne '')
4407 $hint = '; ' . $obsolete_macros{$1};
4409 &am_conf_line_error ($filename, $., "\`$1' is obsolete$hint");
4412 # Process the AC_OUTPUT and AC_CONFIG_FILES macros.
4413 if (! $in_ac_output && s/AC_(OUTPUT|CONFIG_FILES)\s*\(\[?//)
4416 $ac_output_line = $.;
4420 local ($closing) = 0;
4427 # Look at potential Makefile.am's.
4430 # Must skip empty string for Perl 4.
4431 next if $_ eq "\\" || $_ eq '';
4433 # Handle $local:$input syntax. Note that we ignore
4434 # every input file past the first, though we keep
4435 # those around for later.
4436 local ($local, $input, @rest) = split (/:/);
4443 # FIXME: should be error if .in is missing.
4444 $input =~ s/\.in$//;
4447 if (-f $input . '.am')
4449 # We have a file that automake should generate.
4450 push (@make_input_list, $input);
4451 $make_list{$input} = join (':', ($local, @rest));
4455 # We have a file that automake should cause to be
4456 # rebuilt, but shouldn't generate itself.
4457 push (@other_input_files, $_);
4461 if ($closing && @make_input_list == 0 && @other_input_files == 0)
4463 &am_conf_line_error ($filename, $ac_output_line,
4464 "No files mentioned in \`AC_OUTPUT'");
4469 if (/$AC_CONFIG_AUX_DIR_PATTERN/o)
4471 @config_aux_path = $1;
4474 # Check for ansi2knr.
4475 $am_c_prototypes = 1 if /AM_C_PROTOTYPES/;
4477 # Check for exe extension stuff.
4481 $configure_vars{'EXEEXT'} = $filename . ':' . $.;
4487 $configure_vars{'OBJEXT'} = $filename . ':' . $.;
4490 # Check for `-c -o' code.
4491 $seen_cc_c_o = 1 if /AM_PROG_CC_C_O/;
4493 # Check for NLS support.
4494 if (/AM_GNU_GETTEXT/)
4497 $ac_gettext_line = $.;
4498 $omit_dependencies{'libintl.h'} = 1;
4501 # Look for ALL_LINGUAS.
4502 if (/ALL_LINGUAS="(.*)"$/ || /ALL_LINGUAS=(.*)$/)
4506 $all_linguas_line = $.;
4509 # Handle configuration headers. A config header of `[$1]'
4510 # means we are actually scanning AM_CONFIG_HEADER from
4512 if (/A([CM])_CONFIG_HEADERS?\s*\((.*)\)/
4516 ($filename, $., "\`automake requires \`AM_CONFIG_HEADER', not \`AC_CONFIG_HEADER'")
4519 $config_header_line = $.;
4521 foreach $one_hdr (split (' ', $2))
4523 push (@config_fullnames, $one_hdr);
4524 if ($one_hdr =~ /^([^:]+):(.+)$/)
4526 push (@config_names, $1);
4527 push (@config_headers, $2);
4531 push (@config_names, $one_hdr);
4532 push (@config_headers, $one_hdr . '.in');
4537 # Handle AC_CANONICAL_*. Always allow upgrading to
4538 # AC_CANONICAL_SYSTEM, but never downgrading.
4539 $seen_canonical = $AC_CANONICAL_HOST
4540 if ! $seen_canonical
4541 && (/AC_CANONICAL_HOST/ || /AC_CHECK_TOOL/);
4542 $seen_canonical = $AC_CANONICAL_SYSTEM if /AC_CANONICAL_SYSTEM/;
4544 $seen_path_xtra = 1 if /AC_PATH_XTRA/;
4546 # This macro handles several different things.
4547 if (/$AM_INIT_AUTOMAKE_PATTERN/o)
4551 $seen_prog_install = 1;
4552 ($package_version = $1) =~ s/$AM_PACKAGE_VERSION_PATTERN/$1/o;
4553 $package_version_line = $.;
4554 $seen_init_automake = 1;
4557 # Some things required by Automake.
4558 $seen_make_set = 1 if /AC_PROG_MAKE_SET/;
4559 $seen_arg_prog = 1 if /AC_ARG_PROGRAM/;
4563 $configure_vars{'LEX'} = $filename . ':' . $.;
4564 $seen_decl_yytext = 1;
4566 if (/AC_DECL_YYTEXT/ && $filename =~ /configure\.(ac|in)$/)
4568 &am_conf_line_warning ($filename, $., "\`AC_DECL_YYTEXT' is covered by \`AM_PROG_LEX'");
4570 if (/AC_PROG_LEX/ && $filename =~ /configure\.(ac|in)$/)
4572 &am_conf_line_warning ($filename, $., "automake requires \`AM_PROG_LEX', not \`AC_PROG_LEX'");
4575 if (/AC_PROG_(F77|YACC|RANLIB|CC|CXXCPP|CXX|LEX|AWK|CPP|LN_S)/)
4577 $configure_vars{$1} = $filename . ':' . $.;
4579 if (/$AC_CHECK_PATTERN/o)
4581 $configure_vars{$3} = $filename . ':' . $.;
4583 if (/$AM_MISSING_PATTERN/o
4587 && $1 ne 'AUTOHEADER')
4589 $configure_vars{$1} = $filename . ':' . $.;
4592 # Explicitly avoid ANSI2KNR -- we AC_SUBST that in protos.m4,
4593 # but later define it elsewhere. This is pretty hacky. We
4594 # also explicitly avoid INSTALL_SCRIPT and some other
4595 # variables because they are defined in header-vars.am.
4597 if (/$AC_SUBST_PATTERN/o
4599 && $1 ne 'INSTALL_SCRIPT'
4600 && $1 ne 'INSTALL_DATA')
4602 $configure_vars{$1} = $filename . ':' . $.;
4605 $seen_decl_yytext = 1 if /AC_DECL_YYTEXT/;
4606 if (/AM_MAINTAINER_MODE/)
4608 $seen_maint_mode = 1;
4609 $configure_cond{'MAINTAINER_MODE'} = 1;
4612 $seen_prog_install = 1 if /AC_PROG_INSTALL/;
4613 $seen_lispdir = 1 if /AM_PATH_LISPDIR/;
4614 $seen_pythondir = 1 if /AM_PATH_PYTHON/;
4616 if (/A(C|M)_PROG_LIBTOOL/)
4618 if (/AM_PROG_LIBTOOL/)
4620 &am_conf_line_warning ($filename, $., "\`AM_PROG_LIBTOOL' is obsolete, use \`AC_PROG_LIBTOOL' instead");
4624 $configure_vars{'LIBTOOL'} = $filename . ':' . $.;
4625 $configure_vars{'RANLIB'} = $filename . ':' . $.;
4626 $configure_vars{'CC'} = $filename . ':' . $.;
4627 # AC_PROG_LIBTOOL runs AC_CANONICAL_HOST. Make sure we
4628 # never downgrade (if we've seen AC_CANONICAL_SYSTEM).
4629 $seen_canonical = $AC_CANONICAL_HOST if ! $seen_canonical;
4632 $seen_multilib = 1 if (/AM_ENABLE_MULTILIB/);
4634 if (/$AM_CONDITIONAL_PATTERN/o)
4636 $configure_cond{$1} = 1;
4639 # Check for Fortran 77 intrinsic and run-time libraries.
4640 if (/AC_F77_LIBRARY_LDFLAGS/)
4642 $configure_vars{'FLIBS'} = $filename . ':' . $.;
4649 # &scan_autoconf_files ()
4650 # -----------------------
4651 # Check whether we use `configure.ac' or `configure.in'.
4652 # Scan it (and possibly `aclocal.m4') for interesting things.
4653 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
4654 sub scan_autoconf_files
4656 # Reinitialize libsources here. This isn't really necessary,
4657 # since we currently assume there is only one configure.ac. But
4658 # that won't always be the case.
4661 local ($in_ac_output, $in_ac_replace) = (0, 0);
4662 local (%make_list, @make_input_list);
4663 local ($libobj_iter);
4665 warn "automake: both \`configure.ac' and \`configure.in' present:"
4666 . " ignoring \`configure.in'\n"
4667 if -f 'configure.ac' && -f 'configure.in';
4668 $configure_ac = 'configure.in'
4669 if -f 'configure.in';
4670 $configure_ac = 'configure.ac'
4671 if -f 'configure.ac';
4672 die "automake: \`configure.ac' or \`configure.in' is required\n"
4675 &scan_one_autoconf_file ($configure_ac);
4676 &scan_one_autoconf_file ('aclocal.m4')
4679 # Set input and output files if not specified by user.
4682 @input_files = @make_input_list;
4683 %output_files = %make_list;
4686 @configure_input_files = @make_input_list;
4688 &am_conf_error ("\`AM_INIT_AUTOMAKE' must be used")
4689 if ! $seen_init_automake;
4691 # Always require AC_PROG_MAKE_SET. We might randomly use $(MAKE)
4692 # for our own reasons.
4693 &am_conf_error ("\`AC_PROG_MAKE_SET' must be used")
4694 if ! $seen_make_set;
4696 # Look for some files we need. Always check for these. This
4697 # check must be done for every run, even those where we are only
4698 # looking at a subdir Makefile. We must set relative_dir so that
4699 # the file-finding machinery works.
4700 local ($relative_dir) = '.';
4701 &require_config_file ($FOREIGN, 'install-sh', 'mkinstalldirs', 'missing');
4702 &am_error ("\`install.sh' is an anachronism; use \`install-sh' instead")
4703 if -f $config_aux_path[0] . '/install.sh';
4705 &require_config_file ($FOREIGN, 'py-compile')
4708 # Preserve dist_common for later.
4709 %configure_dist_common = %dist_common;
4712 ################################################################
4714 # Set up for Cygnus mode.
4717 return unless $cygnus_mode;
4719 &set_strictness ('foreign');
4720 $options{'no-installinfo'} = 1;
4721 $options{'no-dependencies'} = 1;
4722 $use_dependencies = 0;
4724 if (! $seen_maint_mode)
4726 &am_conf_error ("\`AM_MAINTAINER_MODE' required when --cygnus specified");
4731 &am_conf_error ("\`AC_EXEEXT' required when --cygnus specified");
4735 # Do any extra checking for GNU standards.
4736 sub check_gnu_standards
4738 if ($relative_dir eq '.')
4740 # In top level (or only) directory.
4741 &require_file ($GNU, 'INSTALL', 'NEWS', 'README', 'COPYING',
4742 'AUTHORS', 'ChangeLog');
4745 if ($strictness >= $GNU)
4747 if (defined $options{'no-installman'})
4749 &am_line_error ('AUTOMAKE_OPTIONS',
4750 "option \`no-installman' disallowed by GNU standards");
4753 if (defined $options{'no-installinfo'})
4755 &am_line_error ('AUTOMAKE_OPTIONS',
4756 "option \`no-installinfo' disallowed by GNU standards");
4761 # Do any extra checking for GNITS standards.
4762 sub check_gnits_standards
4764 if ($relative_dir eq '.')
4766 # In top level (or only) directory.
4767 &require_file ($GNITS, 'THANKS');
4771 ################################################################
4773 # Functions to handle files of each language.
4775 # Each `lang_X_rewrite' function follows a simple formula:
4776 # * Args are the directory, base name and extension of the file.
4777 # * Return value is 1 if file is to be dealt with, 0 otherwise.
4778 # Much of the actual processing is handled in handle_single_transform_list.
4779 # These functions exist so that auxiliary information can be recorded
4780 # for a later cleanup pass. Note that the calls to these functions
4781 # are computed, so don't bother searching for their precise names
4784 # This is just a convenience function that can be used to determine
4785 # when a subdir object should be used.
4788 return defined $options{'subdir-objects'} ? $LANG_SUBDIR : $LANG_PROCESS;
4791 # Rewrite a single C source file.
4794 local ($directory, $base, $ext) = @_;
4796 if (defined $options{'ansi2knr'} && $base =~ /_$/)
4798 # FIXME: include line number in error.
4799 &am_error ("C source file \`$base.c' would be deleted by ansi2knr rules");
4802 local ($r) = $LANG_PROCESS;
4803 if (defined $options{'subdir-objects'})
4806 $base = $directory . '/' . $base;
4810 # Only give error once.
4812 # FIXME: line number.
4813 &am_error ("C objects in subdir but \`AM_PROG_CC_C_O' not in \`$configure_ac'");
4816 &require_file ($FOREIGN, 'compile')
4817 if $relative_dir eq '.';
4820 $de_ansi_files{$base} = 1;
4824 # Rewrite a single C++ source file.
4825 sub lang_cxx_rewrite
4827 return &lang_sub_obj;
4830 # Rewrite a single header file.
4831 sub lang_header_rewrite
4833 # Header files are simply ignored.
4834 return $LANG_IGNORE;
4837 # Rewrite a single yacc file.
4838 sub lang_yacc_rewrite
4840 local ($directory, $base, $ext) = @_;
4842 local ($r) = &lang_c_rewrite ($directory, $base, $ext);
4844 if ($r == $LANG_SUBDIR)
4846 $pfx = $directory . '/';
4848 $yacc_sources{$pfx . $base . '.' . $ext} = 1;
4850 &saw_extension ('c');
4852 &push_dist_common ($pfx . $base . '.' . $ext);
4856 # Rewrite a single yacc++ file.
4857 sub lang_yaccxx_rewrite
4859 local ($directory, $base, $ext) = @_;
4861 local ($r) = $LANG_PROCESS;
4863 if (defined $options{'subdir-objects'})
4865 $pfx = $directory . '/';
4868 $yacc_sources{$pfx . $base . '.' . $ext} = 1;
4870 &saw_extension ($ext);
4872 &push_dist_common ($pfx . $base . '.' . $ext);
4876 # Rewrite a single lex file.
4877 sub lang_lex_rewrite
4879 local ($directory, $base, $ext) = @_;
4881 local ($r) = &lang_c_rewrite ($directory, $base, $ext);
4883 if ($r == $LANG_SUBDIR)
4885 $pfx = $directory . '/';
4887 $lex_sources{$pfx . $base . '.' . $ext} = 1;
4889 &saw_extension ('c');
4891 &push_dist_common ($pfx . $base . '.' . $ext);
4895 # Rewrite a single lex++ file.
4896 sub lang_lexxx_rewrite
4898 local ($directory, $base, $ext) = @_;
4900 local ($r) = $LANG_PROCESS;
4902 if (defined $options{'subdir-objects'})
4904 $pfx = $directory . '/';
4907 $lex_sources{$pfx . $base . '.' . $ext} = 1;
4909 &saw_extension ($ext);
4911 &push_dist_common ($pfx . $base . '.' . $ext);
4915 # Rewrite a single assembly file.
4916 sub lang_asm_rewrite
4918 return &lang_sub_obj;
4921 # Rewrite a single Fortran 77 file.
4922 sub lang_f77_rewrite
4924 return $LANG_PROCESS;
4927 # Rewrite a single preprocessed Fortran 77 file.
4928 sub lang_ppf77_rewrite
4930 return $LANG_PROCESS;
4933 # Rewrite a single ratfor file.
4934 sub lang_ratfor_rewrite
4936 return $LANG_PROCESS;
4939 # Rewrite a single Objective C file.
4940 sub lang_objc_rewrite
4942 return &lang_sub_obj;
4945 # Rewrite a single Java file.
4946 sub lang_java_rewrite
4948 return $LANG_SUBDIR;
4951 # The lang_X_finish functions are called after all source file
4952 # processing is done. Each should handle defining rules for the
4953 # language, etc. A finish function is only called if a source file of
4954 # the appropriate type has been seen.
4958 # Push all libobjs files onto de_ansi_files. We actually only
4959 # push files which exist in the current directory, and which are
4960 # genuine source files.
4962 foreach $file (keys %libsources)
4964 if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
4966 $de_ansi_files{$1} = 1;
4970 if (defined $options{'ansi2knr'} && keys %de_ansi_files)
4972 # Make all _.c files depend on their corresponding .c files.
4973 local ($base, @objects);
4974 foreach $base (sort keys %de_ansi_files)
4976 # Each _.c file must depend on ansi2knr; otherwise it
4977 # might be used in a parallel build before it is built.
4978 # We need to support files in the srcdir and in the build
4979 # dir (because these files might be auto-generated. But
4980 # we can't use $< -- some makes only define $< during a
4982 $output_rules .= ($base . "_.c: $base.c \$(ANSI2KNR)\n\t"
4983 . '$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
4984 . '`if test -f $(srcdir)/' . $base . '.c'
4985 . '; then echo $(srcdir)/' . $base . '.c'
4986 . '; else echo ' . $base . '.c; fi` '
4987 . "| sed 's/^# \\([0-9]\\)/#line \\1/' "
4988 . '| $(ANSI2KNR) > ' . $base . "_.c\n");
4989 push (@objects, $base . '_'
4990 . ($seen_objext ? '.$(OBJEXT)' : '.o'));
4991 push (@objects, $base . '_.lo') if $seen_libtool;
4994 # Make all _.o (and _.lo) files depend on ansi2knr.
4995 # Use a sneaky little hack to make it print nicely.
4996 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
4999 if (! defined $configure_vars{'CC'})
5001 # FIXME: line number.
5002 &am_error ("C source seen but \`CC' not defined in \`$configure_ac'");
5008 local ($ltcompile, $ltlink) = &libtool_compiler;
5010 &define_variable ('CXXLD', '$(CXX)');
5011 &define_variable ('CXXLINK', $ltlink . '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5013 if (! defined $configure_vars{'CXX'})
5015 &am_error ("C++ source seen but \`CXX' not defined in \`$configure_ac'");
5019 sub lang_header_finish
5024 # This is a helper for both lex and yacc.
5025 sub yacc_lex_finish_helper
5027 return if defined $language_scratch{'lex-yacc-done'};
5028 $language_scratch{'lex-yacc-done'} = 1;
5030 # If there is more than one distinct yacc (resp lex) source file
5031 # in a given directory, then the `ylwrap' program is required to
5032 # allow parallel builds to work correctly. FIXME: for now, no
5034 &require_config_file ($FOREIGN, 'ylwrap');
5035 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
5037 &define_variable ('YLWRAP', $config_aux_dir . "/ylwrap");
5041 &define_variable ('YLWRAP', '$(srcdir)/ylwrap');
5045 sub lang_yacc_finish
5047 return if defined $language_scratch{'yacc-done'};
5048 $language_scratch{'yacc-done'} = 1;
5050 local ($file, $base, $hname, $cname);
5051 local (%seen_suffix) = ();
5052 local (@yacc_files) = sort keys %yacc_sources;
5053 local ($yacc_count) = scalar (@yacc_files);
5054 foreach $file (@yacc_files)
5057 &output_yacc_build_rule ($1, $yacc_count > 1)
5058 if ! defined $seen_suffix{$1};
5059 $seen_suffix{$1} = 1;
5061 $file =~ /^(.*)\.(y|yy|y\+\+|yxx|ypp)$/;
5063 $hname = 'h'; # Always use `.h' for header file.
5064 ($cname = $2) =~ tr/y/c/;
5066 if ((&variable_defined ('AM_YFLAGS')
5067 && &variable_value ('AM_YFLAGS') =~ /(^|\s)-d(\s|$)/)
5068 || (&variable_defined ('YFLAGS')
5069 && &variable_value ('YFLAGS') =~ /(^|\s)-d(\s|$)/)) {
5070 # Now generate rule to make the header file. This should only
5071 # be generated if `yacc -d' specified.
5072 $output_rules .= "${base}.${hname}: ${base}.${cname}\n";
5074 # If the files are built in the build directory, then we want
5075 # to remove them with `make clean'. If they are in srcdir
5076 # they shouldn't be touched. However, we can't determine this
5077 # statically, and the GNU rules say that yacc/lex output files
5078 # should be removed by maintainer-clean. So that's what we
5080 push (@maintainer_clean_files, "${base}.${hname}");
5082 &push_dist_common ("${base}.${hname}");
5084 push (@maintainer_clean_files, "${base}.${cname}");
5086 $output_rules .= "\n";
5088 if (! defined $configure_vars{'YACC'})
5090 &am_error ("yacc source seen but \`YACC' not defined in \`$configure_ac'");
5092 if (&variable_defined ('YACCFLAGS'))
5094 &am_line_error ('YACCFLAGS',
5095 "\`YACCFLAGS' obsolete; use \`YFLAGS' instead");
5098 if ($yacc_count > 1)
5100 &yacc_lex_finish_helper;
5104 sub lang_yaccxx_finish
5111 return if defined $language_scratch{'lex-done'};
5112 $language_scratch{'lex-done'} = 1;
5114 local (%seen_suffix) = ();
5115 local ($file, $cname);
5116 local ($lex_count) = scalar (keys %lex_sources);
5117 foreach $file (sort keys %lex_sources)
5120 &output_lex_build_rule ($1, $lex_count > 1)
5121 if (! defined $seen_suffix{$1});
5122 $seen_suffix{$1} = 1;
5124 # If the files are built in the build directory, then we want
5125 # to remove them with `make clean'. If they are in srcdir
5126 # they shouldn't be touched. However, we can't determine this
5127 # statically, and the GNU rules say that yacc/lex output files
5128 # should be removed by maintainer-clean. So that's what we
5130 $file =~ /^(.*)\.(l|ll|l\+\+|lxx|lpp)$/;
5131 ($cname = $2) =~ tr/l/c/;
5132 push (@maintainer_clean_files, "${1}.${cname}");
5135 if (! defined $configure_vars{'LEX'})
5137 &am_error ("lex source seen but \`LEX' not defined in \`$configure_ac'");
5139 if (! $seen_decl_yytext)
5141 &am_error ("lex source seen but \`AC_DECL_YYTEXT' not in \`$configure_ac'");
5146 &yacc_lex_finish_helper;
5150 sub lang_lexxx_finish
5157 # We need the C code for assembly.
5163 # FIXME: this function can be called more than once. We should
5164 # arrange for it to only do anything the first time through.
5166 local ($ltcompile, $ltlink) = &libtool_compiler;
5168 &define_variable ('F77LD', '$(F77)');
5169 &define_variable ('F77LINK', $ltlink . '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5171 if (! defined $configure_vars{'F77'})
5173 &am_error ("Fortran 77 source seen but \`F77' not defined in \`$configure_ac'");
5177 # Preprocessed Fortran 77
5179 # The current support for preprocessing Fortran 77 just involves passing
5180 # `$(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)' as additional flags
5181 # to the Fortran 77 compiler, since this is how GNU Make does it; see
5182 # the `GNU Make Manual, Edition 0.51 for `make' Version 3.76 Beta'
5183 # (specifically, from info file `(make)Catalogue of Rules').
5185 # A better approach would be to write an Autoconf test
5186 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
5187 # Fortran 77 compilers know how to do preprocessing. The Autoconf macro
5188 # AC_PROG_FPP should test the Fortran 77 compiler first for
5189 # preprocessing capabilities, and then fall back on cpp (if cpp were
5191 sub lang_ppf77_finish
5195 # We also handle the case of preprocessing `.F' files into `.f'
5197 $output_rules .= (".F.f:\n"
5198 . "\t\$(F77COMPILE) -F \$<\n");
5201 sub lang_ratfor_finish
5205 # We also handle the case of preprocessing `.r' files into `.f'
5207 $output_rules .= (".r.f:\n"
5208 . "\t\$(RCOMPILE) -F \$<\n");
5211 sub lang_objc_finish
5213 local ($ltcompile, $ltlink) = &libtool_compiler;
5215 &define_variable ('OBJCLD', '$(OBJC)');
5216 &define_variable ('OBJCLINK', $ltlink . '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5218 if (! defined $configure_vars{'OBJC'})
5220 &am_error ("Objective C source seen but \`OBJC' not defined in \`$configure_ac'");
5224 sub lang_java_finish
5226 local ($ltcompile, $ltlink) = &libtool_compiler;
5228 &define_variable ('GCJLD', '$(GCJ)');
5229 &define_variable ('GCJLINK', $ltlink . '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
5231 if (! defined $configure_vars{'GCJ'})
5233 &am_error ("Java source seen but \`GCJ' not defined in \`$configure_ac'");
5237 # A helper which computes a sorted list of all extensions for LANG.
5242 foreach $key (sort keys %extension_seen)
5244 push (@r, '.' . $key) if $extension_map{$key} eq $lang;
5249 # A helper which decides whether libtool is needed. Returns prefix
5250 # for compiler and linker.
5251 sub libtool_compiler
5253 local ($ltcompile, $ltlink) = ('', '');
5256 &define_configure_variable ("LIBTOOL");
5257 $ltcompile = '$(LIBTOOL) --mode=compile ';
5258 $ltlink = '$(LIBTOOL) --mode=link ';
5260 return ($ltcompile, $ltlink);
5263 # Given a hash table of linker names, pick the name that has the most
5264 # precedence. This is lame, but something has to have global
5265 # knowledge in order to eliminate the conflict. Add more linkers as
5269 local (%linkers) = @_;
5272 if defined $linkers{'GCJLINK'};
5274 if defined $linkers{'CXXLINK'};
5276 if defined $linkers{'F77LINK'};
5278 if defined $linkers{'OBJCLINK'};
5282 # Called to indicate that an extension was used.
5286 $extension_seen{$ext} = 1;
5289 # Called to ask whether source files have been seen . If HEADERS is 1,
5290 # headers can be included.
5293 local ($headers) = @_;
5301 local (@exts) = &lang_extensions ('header');
5305 return scalar keys %extension_seen > $headers;
5308 # Register a single language. LANGUAGE is the name of the language.
5309 # Each OPTION is either of the form NAME=VALUE, or is a file extension
5311 sub register_language
5313 local ($language, @options) = @_;
5316 $language_map{$language . '-ansi-p'} = 0;
5317 $language_map{$language . '-linker'} = '';
5318 $language_map{$language . '-autodep'} = 'no';
5319 $language_map{$language . '-derived-autodep'} = 'no';
5322 foreach $iter (@options)
5324 if ($iter =~ /^(.*)=(.*)$/)
5326 $language_map{$language . '-' . $1} = $2;
5328 elsif (defined $extension_map{$iter})
5330 &prog_error ("duplicate extension $iter");
5334 $extension_map{$iter} = $language;
5339 # This function is used to find a path from a user-specified suffix to
5340 # `o' or to some other suffix we recognize internally, eg `cc'.
5343 local ($source_ext) = @_;
5345 # FIXME: hard-coding `o' is a mistake. Doing something
5346 # intelligent is harder.
5347 while ($extension_map{$source_ext} eq ''
5348 && $source_ext ne 'o'
5349 && defined $suffix_rules{$source_ext})
5351 $source_ext = $suffix_rules{$source_ext};
5358 ################################################################
5360 # Pretty-print something. HEAD is what should be printed at the
5361 # beginning of the first line, FILL is what should be printed at the
5362 # beginning of every subsequent line.
5363 sub pretty_print_internal
5365 local ($head, $fill, @values) = @_;
5367 local ($column) = length ($head);
5368 local ($result) = $head;
5370 # Fill length is number of characters. However, each Tab
5371 # character counts for eight. So we count the number of Tabs and
5373 local ($fill_length) = length ($fill);
5374 $fill_length += 7 * ($fill =~ tr/\t/\t/d);
5376 local ($bol) = ($head eq '');
5379 # "71" because we also print a space.
5380 if ($column + length ($_) > 71)
5382 $result .= " \\\n" . $fill;
5383 $column = $fill_length;
5387 $result .= ' ' unless ($bol);
5389 $column += length ($_) + 1;
5397 # Pretty-print something and append to output_vars.
5400 $output_vars .= &pretty_print_internal (@_);
5403 # Pretty-print something and append to output_rules.
5404 sub pretty_print_rule
5406 $output_rules .= &pretty_print_internal (@_);
5410 ################################################################
5412 # See if a target exists.
5415 local ($target) = @_;
5416 return defined $targets{$target};
5419 # See if two conditionals are the same.
5420 sub conditional_same
5422 local ($cond1, $cond2) = @_;
5424 return (&conditional_true_when ($cond1, $cond2)
5425 && &conditional_true_when ($cond2, $cond1));
5428 # See if a conditional is true. Both arguments are conditional
5429 # strings. This returns true if the first conditional is true when
5430 # the second conditional is true.
5431 sub conditional_true_when
5433 local ($cond, $when) = @_;
5435 # Check the easy case first.
5441 # Check each component of $cond, which looks @COND1@@COND2@.
5442 foreach $comp (split ('@', $cond))
5444 # The way we split will give null strings between each
5448 if (index ($when, '@' . $comp . '@') == -1)
5457 # Check for an ambiguous conditional. This is called when a variable
5458 # or target is being defined conditionally. If we already know about
5459 # a definition that is true under the same conditions, then we have an
5461 sub check_ambiguous_conditional
5463 local ($var_name, $cond) = @_;
5464 local (@cond_vals) = split (' ', $conditional{$var_name});
5467 local ($vcond) = shift (@cond_vals);
5469 if (&conditional_true_when ($vcond, $cond)
5470 || &conditional_true_when ($cond, $vcond))
5472 &am_line_error ($var_name,
5473 "$var_name multiply defined in condition");
5478 # See if a variable exists. The first argument is the variable name,
5479 # and the optional second argument is the condition which we should
5480 # check. If no condition is given, we currently return true if the
5481 # variable is defined under any condition.
5482 sub variable_defined
5484 local ($var, $cond) = @_;
5485 if (defined $targets{$var})
5487 &am_line_error ($var, "\`$var' is target; expected variable");
5490 elsif (defined $contents{$var})
5492 if ($cond && $conditional{$var})
5494 # We have been asked to check for a particular condition,
5495 # and the variable is defined conditionally. We need to
5496 # look through the conditions under which the variable is
5497 # defined, and see if any of them match the conditional we
5498 # have been asked to check.
5499 local (@cond_vars) = split (' ', $conditional{$var});
5502 if (&conditional_same ($cond, shift (@cond_vars)))
5504 # Even a conditional examination is good enough
5505 # for us. FIXME: really should maintain examined
5506 # status on a per-condition basis.
5507 $content_seen{$var} = 1;
5513 # The variable is not defined for the given condition.
5517 $content_seen{$var} = 1;
5523 # Mark a variable as examined.
5524 sub examine_variable
5527 &variable_defined ($var);
5530 # Quote a value in order to put it in $conditional. We need to quote
5531 # spaces, and we need to handle null strings, so that we can later
5532 # retrieve values by splitting on space.
5536 $val =~ tr/ \t\n/\001\003\004/;
5537 $val = "\002" if $val eq '';
5541 # Unquote a value in $conditional.
5542 sub unquote_cond_val
5545 $val =~ tr/\001\003\004/ \t\n/;
5550 # Return the set of conditions for which a variable is defined.
5552 # If the variable is not defined conditionally, and is not defined in
5553 # terms of any variables which are defined conditionally, then this
5554 # returns the empty list.
5556 # If the variable is defined conditionally, but is not defined in
5557 # terms of any variables which are defined conditionally, then this
5558 # returns the list of conditions for which the variable is defined.
5560 # If the variable is defined in terms of any variables which are
5561 # defined conditionally, then this returns a full set of permutations
5562 # of the subvariable conditions. For example, if the variable is
5563 # defined in terms of a variable which is defined for @COND_TRUE@,
5564 # then this returns both @COND_TRUE@ and @COND_FALSE@. This is
5565 # because we will need to define the variable under both conditions.
5567 sub variable_conditions
5575 foreach $cond (&variable_conditions_sub ($var, '', ()))
5577 $uniqify{$cond} = 1;
5580 @uniq_list = sort keys %uniqify;
5581 # Note we cannot just do `return sort keys %uniqify', because this
5582 # function is sometimes used in a scalar context.
5586 # A subroutine of variable_conditions. We only return conditions
5587 # which are true for all the conditions in @PARENT_CONDS.
5588 sub variable_conditions_sub
5590 local ($var, $parent, @parent_conds) = @_;
5591 local (@new_conds) = ();
5593 if (defined $vars_scanned{$var})
5595 &am_line_error ($parent, "variable \`$var' recursively defined");
5598 $vars_scanned{$var} = 1;
5600 if (! $conditional{$var})
5602 foreach (split (' ', $contents{$var}))
5604 # If a comment seen, just leave.
5607 # Handle variable substitutions.
5608 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
5611 &variable_conditions_sub ($1, $var, @parent_conds));
5615 # Now we want to return all permutations of the subvariable
5617 local (%allconds, $item);
5618 foreach $item (@new_conds)
5620 foreach (split ('@', $item))
5624 $allconds{$_ . '_TRUE'} = 1;
5628 # Unset our entry in vars_scanned. We only care about recursive
5630 delete $vars_scanned{$var};
5632 return &variable_conditions_permutations (sort keys %allconds);
5635 local (@this_conds) = ();
5636 local (@condvals) = split (' ', $conditional{$var});
5639 local ($cond) = shift (@condvals);
5640 local ($val) = &unquote_cond_val (shift (@condvals));
5645 local ($parent_cond);
5646 foreach $parent_cond (@parent_conds)
5648 if (! &conditional_true_when ($parent_cond, $cond))
5658 push (@this_conds, $cond);
5660 push (@parent_conds, $cond);
5661 local (@subvar_conds) = ();
5662 foreach (split (' ', $val))
5664 # If a comment seen, just leave.
5667 # Handle variable substitutions.
5668 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
5670 push (@subvar_conds,
5671 &variable_conditions_sub ($1, $var, @parent_conds));
5674 pop (@parent_conds);
5676 # If there are no conditional subvariables, then we want to
5677 # return this condition. Otherwise, we want to return the
5678 # permutations of the subvariables.
5679 if (! @subvar_conds)
5681 push (@new_conds, $cond);
5685 push (@new_conds, &variable_conditions_reduce (@subvar_conds));
5689 # Unset our entry in vars_scanned. We only care about recursive
5691 delete $vars_scanned{$var};
5696 # If we are being called on behalf of another variable, we need to
5697 # return all possible permutations of the conditions. We have
5698 # already handled everything in @this_conds along with their
5699 # subvariables. We now need to add any permutations that are not
5702 foreach $this_cond (@this_conds)
5705 &variable_conditions_permutations (split('@', $this_cond));
5707 foreach $perm (@perms)
5711 foreach $scan (@this_conds)
5713 if (&conditional_true_when ($perm, $scan)
5714 || &conditional_true_when ($scan, $perm))
5725 local ($parent_cond);
5726 foreach $parent_cond (@parent_conds)
5728 if (! &conditional_true_when ($parent_cond, $perm))
5738 # This permutation was not already handled, and is valid
5740 push (@new_conds, $perm);
5747 # Subroutine for variable_conditions_sort
5748 sub variable_conditions_cmp
5754 return (length ($as) <=> length ($bs)
5758 # Sort a list of conditionals so that only the exclusive ones are
5759 # retained. For example, if both @COND1_TRUE@@COND2_TRUE@ and
5760 # @COND1_TRUE@ are in the list, discard the latter.
5761 sub variable_conditions_reduce
5763 local (@conds) = @_;
5766 foreach $cond (sort variable_conditions_cmp @conds)
5770 foreach $scan (@ret)
5772 if (&conditional_true_when ($cond, $scan))
5785 # Return a list of permutations of a conditional string.
5786 sub variable_conditions_permutations
5788 local (@comps) = @_;
5791 local ($comp) = shift (@comps);
5792 return &variable_conditions_permutations (@comps)
5794 local ($neg) = $comp;
5795 $neg =~ s/TRUE$/TRUEO/;
5796 $neg =~ s/FALSE$/TRUE/;
5797 $neg =~ s/TRUEO$/FALSE/;
5800 foreach $sub (&variable_conditions_permutations (@comps))
5802 push (@ret, '@' . $comp . '@' . $sub);
5803 push (@ret, '@' . $neg . '@' . $sub);
5807 push (@ret, '@' . $comp . '@');
5808 push (@ret, '@' . $neg . '@');
5813 # Warn if a variable is conditionally defined. This is called if we
5814 # are using the value of a variable.
5815 sub variable_conditionally_defined
5817 local ($var, $parent) = @_;
5818 if ($conditional{$var})
5822 &am_line_error ($parent,
5823 "warning: automake does not support conditional definition of $var in $parent");
5827 &am_line_error ($parent,
5828 "warning: automake does not support $var being defined conditionally")
5833 # Get the value of a variable. This just returns $contents, but warns
5834 # if the variable is conditionally defined.
5838 &variable_conditionally_defined ($var);
5839 return $contents{$var};
5842 # Convert a variable value to a list, split as whitespace. This will
5843 # recursively follow $(...) and ${...} inclusions. It preserves @...@
5844 # substitutions. If COND is 'all', then all values under all
5845 # conditions should be returned; if COND is a particular condition
5846 # (all conditions are surrounded by @...@) then only the value for
5847 # that condition should be returned; otherwise, warn if VAR is
5848 # conditionally defined. SCANNED is a global hash listing whose keys
5849 # are all the variables already scanned; it is an error to rescan a
5853 local ($var, $val, $cond) = @_;
5857 $val =~ s/\\(\n|$)/ /g;
5859 foreach (split (' ', $val))
5861 # If a comment seen, just leave.
5864 # Handle variable substitutions.
5865 if (/^\$\{([^}]*)\}$/ || /^\$\(([^)]*)\)$/)
5867 local ($varname) = $1;
5869 # If the user uses a losing variable name, just ignore it.
5870 # This isn't ideal, but people have requested it.
5871 next if ($varname =~ /\@.*\@/);
5875 if ($varname =~ /^([^:]*):([^=]*)=(.*)$/)
5879 ($from = $2) =~ s/(\W)/\\$1/g;
5883 @temp_list = &variable_value_as_list_worker ($1, $cond, $var);
5885 # Now rewrite the value if appropriate.
5888 grep (s/$from$/$to/, @temp_list);
5891 push (@result, @temp_list);
5902 # Return contents of variable as list, split as whitespace. This will
5903 # recursively follow $(...) and ${...} inclusions. It preserves @...@
5904 # substitutions. If COND is 'all', then all values under all
5905 # conditions should be returned; if COND is a particular condition
5906 # (all conditions are surrounded by @...@) then only the value for
5907 # that condition should be returned; otherwise, warn if VAR is
5908 # conditionally defined. If PARENT is specified, it is the name of
5909 # the including variable; this is only used for error reports.
5910 sub variable_value_as_list_worker
5912 local ($var, $cond, $parent) = @_;
5915 if (defined $targets{$var})
5917 &am_line_error ($var, "\`$var' is target; expected variable");
5919 elsif (! defined $contents{$var} && ! defined $am_var_defs{$var})
5921 &am_line_error ($parent, "variable \`$var' not defined");
5923 elsif (defined $vars_scanned{$var})
5925 # `vars_scanned' is a global we use to keep track of which
5926 # variables we've already examined.
5927 &am_line_error ($parent, "variable \`$var' recursively defined");
5929 elsif ($cond eq 'all' && $conditional{$var})
5931 $vars_scanned{$var} = 1;
5932 local (@condvals) = split (' ', $conditional{$var});
5936 local ($val) = &unquote_cond_val (shift (@condvals));
5937 push (@result, &value_to_list ($var, $val, $cond));
5940 elsif ($cond && $conditional{$var})
5942 $vars_scanned{$var} = 1;
5943 local (@condvals) = split (' ', $conditional{$var});
5947 local ($vcond) = shift (@condvals);
5948 local ($val) = &unquote_cond_val (shift (@condvals));
5949 if (&conditional_true_when ($vcond, $cond))
5951 # Warn if we have an ambiguity. It's hard to know how
5952 # to handle this case correctly.
5953 &variable_conditionally_defined ($var, $parent)
5956 push (@result, &value_to_list ($var, $val, $cond));
5960 elsif (defined $am_var_defs{$var})
5962 $vars_scanned{$var} = 1;
5963 &variable_conditionally_defined ($var, $parent);
5964 $content_seen{$var} = 1;
5965 push (@result, &value_to_list ($var, $am_var_defs{$var}, $cond));
5969 $vars_scanned{$var} = 1;
5970 &variable_conditionally_defined ($var, $parent);
5971 $content_seen{$var} = 1;
5972 push (@result, &value_to_list ($var, $contents{$var}, $cond));
5975 # Unset our entry in vars_scanned. We only care about recursive
5977 delete $vars_scanned{$var};
5982 # This is just a wrapper for variable_value_as_list_worker that
5983 # initializes the global hash `vars_scanned'. This hash is used to
5984 # avoid infinite recursion.
5985 sub variable_value_as_list
5987 local ($var, $cond, $parent) = @_;
5989 return &variable_value_as_list_worker ($var, $cond, $parent);
5993 # define_variable ($VAR, $VALUE)
5994 # ------------------------------
5995 # Define a new variable VAR to VALUE, but only if not already defined.
5998 local ($var, $value) = @_;
6000 if (! defined $contents{$var})
6002 $output_vars .= $var . ' = ' . $value . "\n";
6003 $contents{$var} = $value;
6004 $content_seen{$var} = 1;
6006 elsif ($var_was_plus_eq{$var})
6008 &am_line_error ($var, "internally generated variable \`$var' was set with \`+='");
6012 # Like define_variable, but the value is a list, and the variable may
6013 # be defined conditionally. The second argument is the conditional
6014 # under which the value should be defined; this should be the empty
6015 # string to define the variable unconditionally. The third argument
6016 # is a list holding the values to use for the variable. The value is
6017 # pretty printed in the output file.
6018 sub define_pretty_variable
6020 local ($var, $cond, @value) = @_;
6021 if (! defined $contents{$var}
6022 || ($cond && ! &variable_defined ($var, $cond)))
6024 $contents{$var} = join (' ', @value);
6027 if ($conditional{$var})
6029 $conditional{$var} .= ' ';
6033 $conditional{$var} = '';
6035 $conditional{$var} .= ($cond
6037 . "e_cond_val ($contents{$var}));
6039 &pretty_print ($cond . $var . ' = ', $cond, @value);
6040 $content_seen{$var} = 1;
6044 # Like define_variable, but define a variable to be the configure
6045 # substitution by the same name.
6046 sub define_configure_variable
6049 local ($value) = '@' . $var . '@';
6050 &define_variable ($var, $value);
6053 # Define a compiler variable. We also handle defining the `LT'
6054 # version of the command when using libtool.
6055 sub define_compiler_variable
6057 local ($var, $ltcompile, $value) = @_;
6058 local ($name) = $var;
6059 &define_variable ($name, $value);
6060 &define_variable ('LT' . $name, $ltcompile . $value)
6064 # Define a variable that represents a program to run. If in Cygnus
6065 # mode, the program is searched for in the build (or source) tree.
6066 # Otherwise no searching is done at all. Arguments are:
6067 # * VAR Name of variable to define
6068 # * WHATDIR Either `src' or `build', depending on where program should
6069 # be found. (runtest is in srcdir!)
6070 # * SUBDIR Subdir of top-level dir
6071 # * PROGRAM Name of program
6072 # * OVERRIDE If specified, the name of the program to use when not in
6073 # Cygnus mode. Defaults to PROGRAM.
6074 sub define_program_variable
6076 local ($var, $whatdir, $subdir, $program, $override) = @_;
6080 $override = $program;
6085 local ($full) = ('$(top_' . $whatdir . 'dir)/../'
6086 . $subdir . '/' . $program);
6087 &define_variable ($var, ('`if test -f ' . $full
6088 . '; then echo ' . $full . '; else echo '
6089 . $program . '; fi`'));
6093 &define_variable ($var, $override);
6098 ################################################################
6100 # Read Makefile.am and set up %contents. Simultaneously copy lines
6101 # from Makefile.am into $output_trailer or $output_vars as
6102 # appropriate. NOTE we put rules in the trailer section. We want
6103 # user rules to come after our generated stuff.
6106 local ($amfile) = @_;
6109 open (AM_FILE, $amfile) || die "automake: couldn't open \`$amfile': $!\n";
6110 print "automake: reading $amfile\n" if $verbose;
6112 local ($saw_bk) = 0;
6113 local ($was_rule) = 0;
6114 local ($spacing) = '';
6115 local ($comment) = '';
6116 local ($last_var_name) = '';
6119 # We save the conditional stack on entry, and then check to make
6120 # sure it is the same on exit. This lets us conditonally include
6122 local (@saved_cond_stack) = @conditional_stack;
6126 if (/$IGNORE_PATTERN/o)
6128 # Merely delete comments beginning with two hashes.
6130 elsif (/$WHITE_PATTERN/o)
6132 # Stick a single white line before the incoming macro or rule.
6136 elsif (/$COMMENT_PATTERN/o)
6138 # Stick comments before the incoming macro or rule. Make
6139 # sure a blank line preceeds first block of comments.
6140 $spacing = "\n" unless $blank;
6142 $comment .= $spacing . $_;
6151 $output_vars .= $comment . "\n";
6155 local ($is_ok_macro);
6159 unless substr ($_, -1, 1) eq "\n";
6161 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6162 # used by users. @MAINT@ is an anachronism now.
6163 $_ =~ s/\@MAINT\@//g
6164 unless $seen_maint_mode;
6166 if (/$IGNORE_PATTERN/o)
6168 # Merely delete comments beginning with two hashes.
6170 elsif (/$WHITE_PATTERN/o)
6172 # Stick a single white line before the incoming macro or rule.
6174 &am_line_error ($., "blank line following trailing backslash")
6177 elsif (/$COMMENT_PATTERN/o)
6179 # Stick comments before the incoming macro or rule.
6180 $comment .= $spacing . $_;
6182 &am_line_error ($., "comment following trailing backslash")
6189 $output_trailer .= join ('', @conditional_stack) . $_;
6195 $contents{$last_var_name} .= ' '
6196 unless $contents{$last_var_name} =~ /\s$/;
6197 $contents{$last_var_name} .= $_;
6198 if (@conditional_stack)
6200 $conditional{$last_var_name} .= "e_cond_val ($_);
6204 elsif (/$IF_PATTERN/o)
6206 &am_line_error ($., "$1 does not appear in AM_CONDITIONAL")
6207 if (! $configure_cond{$1});
6208 push (@conditional_stack, "\@" . $1 . "_TRUE\@");
6210 elsif (/$ELSE_PATTERN/o)
6212 if (! @conditional_stack)
6214 &am_line_error ($., "else without if");
6216 elsif ($conditional_stack[$#conditional_stack] =~ /_FALSE\@$/)
6218 &am_line_error ($., "else after else");
6222 $conditional_stack[$#conditional_stack]
6223 =~ s/_TRUE\@$/_FALSE\@/;
6226 elsif (/$ENDIF_PATTERN/o)
6228 if (! @conditional_stack)
6230 &am_line_error ($., "endif without if");
6234 pop @conditional_stack;
6237 elsif (/$RULE_PATTERN/o)
6241 if (defined $contents{$1}
6242 && (@conditional_stack
6243 ? ! defined $conditional{$1}
6244 : defined $conditional{$1}))
6247 "$1 defined both conditionally and unconditionally");
6249 # Value here doesn't matter; for targets we only note
6253 local ($cond_string) = join ('', @conditional_stack);
6254 if (@conditional_stack)
6256 if ($conditional{$1})
6258 &check_ambiguous_conditional ($1, $cond_string);
6259 $conditional{$1} .= ' ';
6263 $conditional{$1} = '';
6265 $conditional{$1} .= $cond_string . ' 1';
6267 $content_lines{$1} = $.;
6268 $output_trailer .= $comment . $spacing . $cond_string . $_;
6269 $comment = $spacing = '';
6272 # Check the rule for being a suffix rule. If so, store in
6275 local ($source_suffix);
6276 local ($object_suffix);
6278 if (($source_suffix, $object_suffix) = ($1 =~ $SUFFIX_RULE_PATTERN))
6280 $suffix_rules{$source_suffix} = $object_suffix;
6281 print "Sources ending in .$source_suffix become .$object_suffix\n" if $verbose;
6282 $source_suffix_pattern = "(" . join ('|', keys %suffix_rules) . ")";
6285 # FIXME: make sure both suffixes are in SUFFIXES? Or set
6286 # SUFFIXES from suffix_rules?
6288 elsif (($is_ok_macro = /$MACRO_PATTERN/o)
6289 || /$BOGUS_MACRO_PATTERN/o)
6291 # Found a macro definition.
6293 $last_var_name = $1;
6294 if (defined $contents{$1}
6295 && (@conditional_stack
6296 ? ! defined $conditional{$1}
6297 : defined $conditional{$1}))
6300 "$1 defined both conditionally and unconditionally");
6303 if ($3 ne '' && substr ($3, -1) eq "\\")
6305 # We preserve the `\' because otherwise the long lines
6306 # that are generated will be truncated by broken
6316 if (! defined $contents{$last_var_name})
6318 # The first assignment to a macro sets the line
6319 # number. Ideally I suppose we would associate line
6320 # numbers with random bits of text.
6321 $content_lines{$last_var_name} = $.;
6323 # If first assignment, set `+=' indicator.
6324 $var_was_plus_eq{$last_var_name} =
6326 && ! defined $am_var_defs{$last_var_name});
6331 if (! defined $contents{$last_var_name}
6332 && defined $am_var_defs{$last_var_name})
6334 $contents{$last_var_name} = $am_var_defs{$last_var_name};
6336 if (substr ($contents{$last_var_name}, -1) eq "\n")
6338 # Insert a backslash before a trailing newline.
6339 $contents{$last_var_name}
6340 = substr ($contents{$last_var_name}, 0, -1) . "\\\n";
6342 $contents{$last_var_name} .= ' ' . $value;
6346 $contents{$last_var_name} = $value;
6348 local ($cond_string) = join ('', @conditional_stack);
6349 if (@conditional_stack)
6353 if ($conditional{$last_var_name})
6357 # If we're adding to the conditional, and it
6358 # exists, then we might want to simply replace
6359 # the old value with the new one.
6360 local (@new_vals, @cond_vals);
6361 @cond_vals = split (' ', $conditional{$last_var_name});
6364 local ($vcond) = shift (@cond_vals);
6365 push (@new_vals, $vcond);
6366 if (&conditional_same ($vcond, $cond_string))
6369 $val = (&unquote_cond_val (shift (@cond_vals))
6371 push (@new_vals, "e_cond_val ($val));
6375 push (@new_vals, shift (@cond_vals));
6380 $conditional{$last_var_name}
6381 = join (' ', @new_vals);
6387 &check_ambiguous_conditional ($last_var_name,
6389 $conditional{$last_var_name} .= ' ';
6395 $conditional{$last_var_name} = '';
6396 $val = $contents{$last_var_name};
6400 $conditional{$last_var_name} .= ($cond_string
6402 . "e_cond_val ($val));
6406 # FIXME: this doesn't always work correctly; it will group
6407 # all comments for a given variable, no matter where
6409 $am_vars{$last_var_name} = $comment . $spacing;
6410 $def_type{$last_var_name} = ($type eq ':') ? ':' : '';
6411 push (@var_list, $last_var_name);
6412 $comment = $spacing = '';
6416 &am_line_error ($., "bad macro name \`$last_var_name'")
6419 elsif (/$INCLUDE_PATTERN/o)
6423 if ($path =~ s/^\$\(top_srcdir\)\///)
6425 push (@include_stack, "\$\(top_srcdir\)/$path");
6429 $path =~ s/\$\(srcdir\)\///;
6430 push (@include_stack, "\$\(srcdir\)/$path");
6431 $path = $relative_dir . "/" . $path;
6433 &read_am_file ($path);
6437 # This isn't an error; it is probably a continued rule.
6438 # In fact, this is what we assume.
6440 $output_trailer .= ($comment . $spacing
6441 . join ('', @conditional_stack) . $_);
6442 $comment = $spacing = '';
6449 $output_trailer .= $comment;
6451 if (join (' ', @saved_cond_stack) ne join (' ', @conditional_stack))
6453 if (@conditional_stack)
6455 &am_error ("unterminated conditionals: @conditional_stack");
6459 # FIXME: better error message here.
6460 &am_error ("conditionals not nested in include file");
6466 # define_standard_variables ()
6467 # ----------------------------
6468 # A helper for read_main_am_file which initializes configure variables
6469 # and variables from header-vars.am. This is a subr so we can call it
6471 sub define_standard_variables
6473 # Compute relative location of the top object directory.
6474 local (@topdir) = ();
6475 foreach (split (/\//, $relative_dir))
6477 next if $_ eq '.' || $_ eq '';
6484 push (@topdir, '..');
6487 @topdir = ('.') if ! @topdir;
6489 $top_builddir = join ('/', @topdir);
6490 $output_vars .= &file_contents_with_transform
6491 (&transform ('top_builddir' => $top_builddir),
6494 # Generate some useful variables when AC_CANONICAL_* used. FIXME:
6495 # this should use generic %configure_vars method.
6496 if ($seen_canonical)
6498 local ($curs, %vars);
6499 $vars{'host_alias'} = 'host_alias';
6500 $vars{'host_triplet'} = 'host';
6501 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
6503 $vars{'build_alias'} = 'build_alias';
6504 $vars{'build_triplet'} = 'build';
6505 $vars{'target_alias'} = 'target_alias';
6506 $vars{'target_triplet'} = 'target';
6508 foreach $curs (sort keys %vars)
6510 $output_vars .= "$curs = \@$vars{$curs}\@\n";
6511 $contents{$curs} = "\@$vars{$curs}\@";
6516 foreach $curs (sort keys %configure_vars)
6518 &define_configure_variable ($curs);
6522 # Read main am file.
6523 sub read_main_am_file
6525 local ($amfile) = @_;
6527 # The keys here are variables we want to dump at the end of this
6528 # function. The values are corresponding comments.
6529 local (%am_vars) = ();
6530 local (@var_list) = ();
6531 local (%def_type) = ();
6533 # This supports the strange variable tricks we are about to play.
6534 &prog_error ("variable defined before read_main_am_file")
6535 if scalar keys %contents > 0;
6537 # We want to predefine as many variables as possible. This lets
6538 # the user set them with `+=' in Makefile.am. However, we don't
6539 # want these initial definitions to end up in the output quite
6540 # yet. So we adopt a hack: read the `.am' file twice, throwing
6541 # away the output the first time. We also squirrel away a list of
6542 # all the variables defined by the .am file so that we know which
6543 # ones to remove from the content list.
6546 &define_standard_variables;
6547 local (%saved_contents) = %contents;
6549 # Read user file, but discard text of variable assignments we just
6552 &read_am_file ($amfile);
6554 # Now dump the variables that were defined. We do it in the same
6555 # order in which they were defined (skipping duplicates).
6557 foreach $curs (@var_list)
6559 next if $done{$curs};
6562 $output_vars .= $am_vars{$curs};
6563 if ($conditional{$curs})
6565 local (@cond_vals) = split (' ', $conditional{$curs});
6568 local ($vcond) = shift (@cond_vals);
6569 local ($val) = &unquote_cond_val (shift (@cond_vals));
6570 $output_vars .= ($vcond . $curs . ' '
6571 . $def_type{$curs} . "= ");
6573 foreach $line (split ("\n", $val))
6575 $output_vars .= $vcond . $line . "\n";
6577 $output_vars .= "\n"
6583 $output_vars .= ($curs . ' ' . $def_type{$curs} . '= '
6584 . $contents{$curs} . "\n");
6588 # Generate copyright header for generated Makefile.in.
6589 local ($ov) = $output_vars;
6590 $output_vars = ("# $in_file_name generated automatically by automake "
6591 . $VERSION . " from $am_file_name\n");
6592 $output_vars .= $gen_copyright;
6594 # Now go through and delete all the variables that the user did
6597 foreach $var (keys %saved_contents)
6599 if ($contents{$var} eq $saved_contents{$var})
6601 delete $contents{$var};
6605 # Re-read the standard variables, and this time keep their
6606 # contributions to the output. Then add the user's output to the
6608 &define_standard_variables;
6609 $output_vars .= $ov;
6613 ################################################################
6615 sub initialize_global_constants
6617 # Values for AC_CANONICAL_*
6618 $AC_CANONICAL_HOST = 1;
6619 $AC_CANONICAL_SYSTEM = 2;
6621 # Associative array of standard directory names. Entry is TRUE if
6622 # corresponding directory should be installed during
6623 # 'install-exec' phase.
6641 # Commonly found files we look for and automatically include in
6645 'README', 'THANKS', 'TODO', 'NEWS', 'COPYING', 'COPYING.LIB',
6646 'INSTALL', 'ABOUT-NLS', 'ChangeLog', 'configure.ac',
6647 'configure.in', 'configure', 'config.guess', 'config.sub',
6648 'AUTHORS', 'BACKLOG', 'ABOUT-GNU', 'libversion.in',
6649 'mdate-sh', 'mkinstalldirs', 'install-sh', 'texinfo.tex',
6650 'ansi2knr.c', 'ansi2knr.1', 'elisp-comp',
6651 # ltconfig appears here for compatibility with old versions
6653 'ylwrap', 'acinclude.m4', @libtoolize_files, @libtoolize_sometimes,
6654 'missing', 'depcomp', 'compile', 'py-compile'
6657 # Commonly used files we auto-include, but only sometimes.
6660 'aclocal.m4', 'acconfig.h', 'config.h.top',
6661 'config.h.bot', 'stamp-h.in', 'stamp-vti'
6665 -a, --add-missing add missing standard files to package
6666 --amdir=DIR directory storing config files
6667 -c, --copy with -a, copy missing files (default is symlink)
6668 --cygnus assume program is part of Cygnus-style tree
6669 --force-missing force update of standard files
6670 --foreign set strictness to foreign
6671 --gnits set strictness to gnits
6672 --gnu set strictness to gnu
6673 --help print this help, then exit
6674 -i, --ignore-deps disable dependency tracking code
6675 --include-deps enable dependency tracking code
6676 --no-force only update Makefile.in's that are out of date
6677 -o DIR, --output-dir=DIR
6678 put generated Makefile.in's into DIR
6679 -v, --verbose verbosely list files processed
6680 --version print version number, then exit\n";
6682 # Copyright on generated Makefile.ins.
6684 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000
6685 # Free Software Foundation, Inc.
6686 # This Makefile.in is free software; the Free Software Foundation
6687 # gives unlimited permission to copy and/or distribute it,
6688 # with or without modifications, as long as this notice is preserved.
6690 # This program is distributed in the hope that it will be useful,
6691 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
6692 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
6693 # PARTICULAR PURPOSE.
6696 # This complex find command will try to avoid changing the modes of
6697 # links into the source tree, in case they're hard-linked. It will
6698 # also make directories writable by everybody, because some
6699 # brain-dead tar implementations change ownership and permissions of
6700 # a directory before extracting the files, thus becoming unable to
6702 # Ignore return result from chmod, because it might give an error
6703 # if we chmod a symlink.
6704 # Another nastiness: if the file is unreadable by us, we make it
6705 # readable regardless of the number of links to it. This only
6706 # happens in perverse cases.
6707 # We use $(install_sh) because that is a known-portable way to
6708 # modify the file in place in the source tree.
6709 $dist_header = ' -find $(distdir) -type d ! -perm -777 -exec chmod a+rwx {} \; -o \\
6710 ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \\
6711 ! -type d ! -perm -400 -exec chmod a+r {} \; -o \\
6712 ! -type d ! -perm -444 -exec $(SHELL) $(install_sh) -c -m a+r {} {} \; \\
6713 || chmod -R a+r $(distdir)
6715 $dist{'dist-bzip2'} = ("\t"
6716 . '$(AMTAR) chof - $(distdir) | bzip2 -9 -c > $(distdir).tar.bz2'
6718 $dist{'dist-tarZ'} = ("\t"
6719 . '$(AMTAR) chof - $(distdir) | compress -c > $(distdir).tar.Z'
6721 $dist{'dist-shar'} = ("\t"
6722 . 'shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c > $(distdir).shar.gz'
6724 $dist{'dist-zip'} = ("\t" . '-rm -f $(distdir).zip' . "\n" .
6725 "\t" . 'zip -rq $(distdir).zip $(distdir)' . "\n");
6727 # Note that we don't use GNU tar's `-z' option. One reason (but
6728 # not the only reason) is that some versions of tar (e.g., OSF1)
6729 # interpret `-z' differently.
6730 $dist{'dist'} = ("\t"
6731 . '$(AMTAR) chof - $(distdir) | GZIP=$(GZIP_ENV) gzip -c > $(distdir).tar.gz'
6733 $dist_trailer = "\t" . '-chmod -R a+w $(distdir) > /dev/null 2>&1; rm -rf $(distdir)' . "\n";
6736 # (Re)-Initialize per-Makefile.am variables.
6737 sub initialize_per_input
6739 # These two variables are used when generating each Makefile.in.
6740 # They hold the Makefile.in until it is ready to be printed.
6743 $output_trailer = '';
6745 $output_header = '';
6747 # Suffixes found during a run.
6750 # This holds the contents of a Makefile.am, as parsed by
6754 # This holds the names which are targets. These also appear in
6758 # This maps a variable name onto a flag. The flag is true iff the
6759 # variable was first defined with `+='.
6760 %var_was_plus_eq = ();
6762 # This holds definitions of all variables defined in .am files.
6763 # This is used during startup to determine which variables can be
6764 # assigned with `+='.
6767 # For a variable or target which is defined conditionally, this
6768 # holds an array of the conditional values. The array is composed
6769 # of pairs of condition strings (the variables which configure
6770 # will substitute) and values (the value of a target is
6771 # meaningless). For an unconditional variable, this is empty.
6774 # This holds the line numbers at which various elements of
6775 # %contents are defined.
6776 %content_lines = ();
6778 # This holds a 1 if a particular variable was examined.
6781 # This is the conditional stack.
6782 @conditional_stack = ();
6784 # This holds the set of included files.
6785 @include_stack = ();
6787 # This holds the "relative directory" of the current Makefile.in.
6788 # Eg for src/Makefile.in, this is "src".
6791 # This holds a list of files that are included in the
6795 # List of dependencies for the obvious targets.
6811 # A list of files deleted by `maintainer-clean'.
6812 @maintainer_clean_files = ();
6814 # These are pretty obvious, too. They are used to define the
6815 # SOURCES and OBJECTS variables.
6818 # Sources which go in the distribution.
6821 # This hash maps object file names onto their corresponding source
6822 # file names. This is used to ensure that each object is created
6823 # by a single source file.
6826 # This keeps track of the directories for which we've already
6827 # created `.dirstamp' code.
6828 %directory_map = ();
6830 # These variables track inclusion of various compile-related .am
6831 # files. $included_generic_compile is TRUE if the basic code has
6832 # been included. $included_knr_compile is TRUE if the ansi2knr
6833 # code has been included. $included_libtool_compile is TRUE if
6834 # libtool support has been included.
6835 $included_generic_compile = 0;
6836 $included_knr_compile = 0;
6837 $included_libtool_compile = 0;
6839 # TRUE if install targets should work recursively.
6840 $recursive_install = 0;
6845 # Strictness levels.
6846 $strictness = $default_strictness;
6847 $strictness_name = $default_strictness_name;
6849 # Options from AUTOMAKE_OPTIONS.
6852 # Whether or not dependencies are handled. Can be further changed
6853 # in handle_options.
6854 $use_dependencies = $cmdline_use_dependencies;
6857 $local_maint_charset = $maint_charset;
6859 # All yacc and lex source filenames for this directory. Use
6860 # filenames instead of raw count so that multiple instances are
6861 # counted correctly (eg one yacc file can appear in multiple
6862 # programs without harm).
6866 # This is a list of all targets to run during "make dist".
6869 # Keys in this hash are the basenames of files which must depend
6871 %de_ansi_files = ();
6873 # This maps the source extension of a suffix rule to its
6874 # corresponding output extension.
6877 # This is a regular expression which matches all the known source
6878 # suffix. A source suffix is one that appears in the first
6879 # position of a suffix rule.
6880 $source_suffix_pattern = '';
6882 # This is the name of the recursive `all' target to use.
6883 $all_target = 'all-recursive';
6885 # This keeps track of which extensions we've seen (that we care
6887 %extension_seen = ();
6889 # This is random scratch space for the language finish functions.
6890 # Don't randomly overwrite it; examine other uses of keys first.
6891 %language_scratch = ();
6893 # We keep track of which objects need special (per-executable)
6894 # handling on a per-language basis.
6895 %lang_specific_files = ();
6897 # This is set when `handle_dist' has finished. Once this happens,
6898 # we should no longer push on dist_common.
6899 $handle_dist_run = 0;
6901 # True if we need `LINK' defined. This is a hack.
6906 ################################################################
6910 # &file_contents_with_transform ($COMMAND, $BASENAME)
6911 # ---------------------------------------------------
6912 # Return contents of a file from $am_dir, automatically skipping
6913 # macros or rules which are already known. Runs command on each line
6914 # as it is read; this command can modify $_.
6915 sub file_contents_with_transform
6917 local ($command, $basename) = @_;
6918 local ($file) = $am_dir . '/' . $basename . '.am';
6920 &prog_error ("file_contents_with_transform: $command")
6921 if $command ne '' && substr ($command, -1) ne ';';
6923 open (FC_FILE, $file)
6924 || die "automake: installation error: cannot open \`$file'\n";
6926 # print "automake: reading $file\n" if $verbose;
6928 local ($was_rule) = 0;
6929 local ($result_vars) = '';
6930 local ($result_rules) = '';
6931 local ($comment) = '';
6932 local ($spacing) = "\n";
6933 local ($skipping) = 0;
6938 $_ =~ s/\@MAINTAINER_MODE_TRUE\@//g
6939 unless $seen_maint_mode;
6941 $had_chars = length ($_) && $_ ne "\n";
6943 # If the transform caused all the characters to go away, then
6944 # ignore the line. Why do this? Because in Perl 4, a "next"
6945 # inside of an eval doesn't affect a loop outside the eval.
6946 # So we can't pass in a "transform" that uses next. We used
6947 # to do this. "Empty" also means consisting of a single
6949 next if $had_chars && ($_ eq '' || $_ eq "\n");
6951 if (/$IGNORE_PATTERN/o)
6953 # Merely delete comments beginning with two hashes.
6955 elsif (/$WHITE_PATTERN/o)
6957 # Stick a single white line before the incoming macro or rule.
6959 &am_line_error ($., "blank line following trailing backslash")
6962 elsif (/$COMMENT_PATTERN/o)
6964 # Stick comments before the incoming macro or rule.
6965 $comment .= $spacing . $_;
6967 &am_line_error ($., "comment following trailing backslash")
6974 $result_rules .= $_ if ! $skipping;
6978 $result_vars .= $_ if ! $skipping;
6982 elsif (/^.PHONY: (.*)$/)
6984 # Having a special case for PHONY upstream seems much easier than
6985 # trying to have it fit in RULE_PATTERN and extract it later.
6986 push (@phony, split (/\s+/, $1));
6988 elsif (/$RULE_PATTERN/o)
6992 $skipping = defined $contents{$1};
6993 $result_rules .= $comment . $spacing . $_ if ! $skipping;
6994 $comment = $spacing = '';
6997 elsif (/$MACRO_PATTERN/o)
6999 # Found a variable reference.
7001 $skipping = defined $contents{$1};
7002 $result_vars .= $comment . $spacing . $_ if ! $skipping;
7003 $comment = $spacing = '';
7005 &prog_error (".am macro \`$1' with trailing backslash at $file:$.")
7007 $am_var_defs{$1} = $3;
7011 # This isn't an error; it is probably a continued rule.
7012 # In fact, this is what we assume.
7014 $result_rules .= $comment . $spacing . $_ if ! $skipping;
7015 $comment = $spacing = '';
7021 return $result_vars . $result_rules . $comment;
7024 # Like file_contents_with_transform, but no transform.
7027 return &file_contents_with_transform ('', @_);
7030 # &transform (%PAIRS)
7031 # -------------------
7032 # Create a replacement expression suitable for file_contents_with_transform
7033 # to replace each key of %PAIRS by its value.
7036 local (%pairs) = @_;
7037 local ($result) = '';
7040 foreach $pattern (sort keys %pairs)
7042 ($quoted = $pairs{$pattern}) =~ s/(\W)/\\$1/g;
7043 $result .= 's,\@' . $pattern . '\@,' . $quoted . ',g;';
7048 # Find all variable prefixes that are used for install directories. A
7049 # prefix `zar' qualifies iff:
7050 # * `zardir' is a variable.
7051 # * `zar_PRIMARY' is a variable.
7052 sub am_primary_prefixes
7054 local ($primary, $can_dist, @prefixes) = @_;
7056 local (%valid, $varname);
7057 grep ($valid{$_} = 0, @prefixes);
7058 $valid{'EXTRA'} = 0;
7059 foreach $varname (keys %contents)
7061 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_$primary$/)
7063 if (($2 ne '' && ! $can_dist)
7064 || (! defined $valid{$3} && ! &variable_defined ($3 . 'dir')))
7066 # Note that a configure variable is always legitimate.
7067 # It is natural to name such variables after the
7068 # primary, so we explicitly allow it.
7069 if (! defined $configure_vars{$varname})
7071 &am_line_error ($varname, "invalid variable \`$varname'");
7076 # Ensure all extended prefixes are actually used.
7077 $valid{$1 . $2 . $3} = 1;
7085 # Handle `where_HOW' variable magic. Does all lookups, generates
7086 # install code, and possibly generates code to define the primary
7087 # variable. The first argument is the name of the .am file to munge,
7088 # the second argument is the primary variable (eg HEADERS), and all
7089 # subsequent arguments are possible installation locations. Returns
7090 # list of all values of all _HOW targets.
7092 # FIXME: this should be rewritten to be cleaner. It should be broken
7093 # up into multiple functions.
7095 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7100 local ($do_clean) = 0;
7101 local ($do_require) = 1;
7102 local ($can_dist) = 0;
7103 local ($default_dist) = 0;
7106 if (defined $configure_vars{'LIBTOOL'})
7108 # Transform '@LIBTOOL ...@' to '$(LIBTOOL) ...'
7109 $ltxform = 's/\@LIBTOOL([^\@]*)\@/\$(LIBTOOL) $1/;';
7113 # Delete '@LIBTOOL ...@'
7114 $ltxform = 's/\@LIBTOOL([^\@]*)\@//;';
7120 $cygxform = 's/\@EXEEXT\@//g;';
7124 $cygxform = 's/\@EXEEXT\@/\$(EXEEXT)/g;';
7129 if ($args[0] eq '-clean')
7133 elsif ($args[0] eq '-noextra')
7137 elsif ($args[0] eq '-candist')
7141 elsif ($args[0] eq '-defaultdist')
7146 elsif ($args[0] !~ /^-/)
7153 local ($file, $primary, @prefixes) = @args;
7156 local (@result) = ();
7158 # Now that configure substitutions are allowed in where_HOW
7159 # variables, it is an error to actually define the primary. We
7160 # allow `JAVA', as it is customarily used to mean the Java
7161 # interpreter. This is but one of several Java hacks. Similarly,
7162 # `PYTHON' is customarily used to mean the Python interpreter.
7163 &am_line_error ($primary, "\`$primary' is an anachronism")
7164 if &variable_defined ($primary)
7165 && ($primary ne 'JAVA' && $primary ne 'PYTHON');
7168 # Look for misspellings. It is an error to have a variable ending
7169 # in a "reserved" suffix whose prefix is unknown, eg
7170 # "bni_PROGRAMS". However, unusual prefixes are allowed if a
7171 # variable of the same name (with "dir" appended) exists. For
7172 # instance, if the variable "zardir" is defined, then
7173 # "zar_PROGRAMS" becomes valid. This is to provide a little extra
7174 # flexibility in those cases which need it.
7175 local (%valid) = &am_primary_prefixes ($primary, $can_dist, @prefixes);
7177 # If a primary includes a configure substitution, then the EXTRA_
7178 # form is required. Otherwise we can't properly do our job.
7179 local ($require_extra);
7180 local ($warned_about_extra) = 0;
7182 local ($clean_file) = $file . '-clean';
7185 local ($nodir_name);
7186 local ($strip_subdir) = 1;
7187 foreach $X (sort keys %valid)
7189 $one_name = $X . '_' . $primary;
7190 if (&variable_defined ($one_name))
7192 # If subdir prefix should be preserved, do so.
7193 if ($X =~ /^nobase_/)
7199 # If files should be distributed, do so.
7202 if (($default_dist && $one_name !~ /^nodist_/)
7203 || (! $default_dist && $one_name =~ /^dist_/))
7205 &push_dist_common ('$(' . $one_name . ')');
7207 ($nodir_name = $X) =~ s/^(dist|nodist)_//;
7214 # Append actual contents of where_PRIMARY variable to
7217 foreach $rcurs (&variable_value_as_list ($one_name, 'all'))
7219 # Skip configure substitutions. Possibly bogus.
7220 if ($rcurs =~ /^\@.*\@$/)
7224 if (! $warned_about_extra)
7226 $warned_about_extra = 1;
7228 &am_line_error ($one_name,
7229 "\`$one_name' contains configure substitution, but shouldn't");
7233 # Check here to make sure variables defined in
7234 # configure.ac do not imply that EXTRA_PRIMARY
7236 elsif (! defined $configure_vars{$one_name})
7238 $require_extra = $one_name
7245 push (@result, $rcurs);
7248 # A blatant hack: we rewrite each _PROGRAMS primary to
7249 # include EXEEXT when in Cygwin32 mode.
7250 if ($seen_exeext && $primary eq 'PROGRAMS')
7252 local (@conds) = &variable_conditions ($one_name);
7253 local (@one_binlist);
7255 # FIXME: this definitely loses aesthetically; it
7256 # redefines $ONE_NAME. Instead we should arrange for
7257 # variable definitions to be output later, instead of
7263 foreach $rcurs (&variable_value_as_list ($one_name, ''))
7265 if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
7267 push (@one_binlist, $rcurs);
7271 push (@one_binlist, $rcurs . '$(EXEEXT)');
7275 delete $contents{$one_name};
7276 &define_pretty_variable ($one_name, '', @one_binlist);
7281 local ($condvals) = '';
7282 foreach $cond (@conds)
7285 local (@condval) = &variable_value_as_list ($one_name,
7287 foreach $rcurs (@condval)
7289 if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
7291 push (@one_binlist, $rcurs);
7295 push (@one_binlist, $rcurs . '$(EXEEXT)');
7299 push (@condvals, $cond);
7300 push (@condvals, join (' ', @one_binlist));
7303 delete $contents{$one_name};
7307 $cond = shift (@condvals);
7308 local (@val) = split (' ', shift (@condvals));
7309 &define_pretty_variable ($one_name, $cond, @val);
7314 # "EXTRA" shouldn't be used when generating clean targets,
7315 # all, or install targets.
7318 # We used to warn if EXTRA_FOO was defined uselessly,
7319 # but this was annoying.
7326 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/go;'
7330 push (@clean, $X . $primary);
7331 &push_phony_cleaners ($X . $primary);
7336 push (@check, '$(' . $one_name . ')');
7340 push (@used, '$(' . $one_name . ')');
7342 if ($X eq 'noinst' || $X eq 'check')
7344 # Objects which don't get installed by default.
7348 local ($subdir_xform);
7351 $subdir_xform = 's/^NOBASE.*$//; s/^BASE//;';
7355 $subdir_xform = 's/^BASE.*$//; s/^NOBASE//;';
7359 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/g;'
7360 . 's/\@NDIR\@/' . $nodir_name . '/go;'
7361 . $ltxform . $cygxform
7365 push (@uninstall, 'uninstall-' . $X . $primary);
7366 push (@phony, 'uninstall-' . $X . $primary);
7367 push (@installdirs, '$(DESTDIR)$(' . $X . 'dir)');
7368 if (defined $exec_dir_p{$X} ? $exec_dir_p{$X} : ($X =~ /exec/))
7370 push (@install_exec, 'install-' . $X . $primary);
7371 push (@phony, 'install-' . $X . $primary);
7375 push (@install_data, 'install-' . $X . $primary);
7376 push (@phony, 'install-' . $X . $primary);
7381 # The JAVA variable is used as the name of the Java interpreter.
7382 # The PYTHON variable is used as the name of the Python interpreter.
7383 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7386 &define_pretty_variable ($primary, '', @used);
7387 $output_vars .= "\n";
7390 if ($require_extra && ! &variable_defined ('EXTRA_' . $primary))
7392 &am_line_error ($require_extra,
7393 "\`$require_extra' contains configure substitution, but \`EXTRA_$primary' not defined");
7396 # Push here because PRIMARY might be configure time determined.
7397 push (@all, '$(' . $primary . ')')
7398 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7400 # Make the result unique. This lets the user use conditionals in
7401 # a natural way, but still lets us program lazily -- we don't have
7402 # to worry about handling a particular object more than once.
7403 local (%uniquify) = ();
7404 grep ($uniquify{$_} = 1, @result);
7405 return sort keys %uniquify;
7409 ################################################################
7411 # Each key in this hash is the name of a directory holding a
7412 # Makefile.in. These variables are local to `is_make_dir'.
7419 if (! $make_dirs_set)
7421 foreach $iter (@configure_input_files)
7423 $make_dirs{&dirname ($iter)} = 1;
7425 # We also want to notice Makefile.in's.
7426 foreach $iter (@other_input_files)
7428 if ($iter =~ /Makefile\.in$/)
7430 $make_dirs{&dirname ($iter)} = 1;
7435 return defined $make_dirs{$dir};
7438 ################################################################
7440 # This variable is local to the "require file" set of functions.
7441 @require_file_paths = ();
7443 # If a file name appears as a key in this hash, then it has already
7444 # been checked for. This variable is local to the "require file"
7446 %require_file_found = ();
7448 # See if we want to push this file onto dist_common. This function
7449 # encodes the rules for deciding when to do so.
7450 sub maybe_push_required_file
7452 local ($dir, $file, $fullfile) = @_;
7454 # FIXME: Once again, special-case `.'.
7455 if ($dir eq $relative_dir || $dir eq '.')
7457 &push_dist_common ($file);
7459 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7461 # If we are doing the topmost directory, and the file is in a
7462 # subdir which does not have a Makefile, then we distribute it
7464 &push_dist_common ($fullfile);
7468 # Verify that the file must exist in the current directory. Usage:
7469 # require_file (isconfigure, line_number, strictness, file) strictness
7470 # is the strictness level at which this file becomes required. Must
7471 # set require_file_paths before calling this function.
7472 # require_file_paths is set to hold a single directory (the one in
7473 # which the first file was found) before return.
7474 sub require_file_internal
7476 local ($is_configure, $line, $mystrict, @files) = @_;
7477 local ($file, $fullfile);
7478 local ($found_it, $dangling_sym, $errfile, $errdir);
7481 foreach $file (@files)
7483 # If we've already looked for it, we're done.
7484 next if defined $require_file_found{$file};
7485 $require_file_found{$file} = 1;
7489 foreach $dir (@require_file_paths)
7493 $fullfile = $relative_dir . "/" . $file;
7494 $errdir = $relative_dir unless $errdir;
7498 $fullfile = $dir . "/" . $file;
7499 $errdir = $dir unless $errdir;
7502 # Use different name for "error filename". Otherwise on
7503 # an error the bad file will be reported as eg
7504 # `../../install-sh' when using the default
7506 $errfile = $errdir . '/' . $file;
7508 if (-l $fullfile && ! -f readlink ($fullfile))
7513 elsif (-f $fullfile)
7516 &maybe_push_required_file ($dir, $file, $fullfile);
7522 if ($found_it && ! $force_missing)
7524 # Prune the path list.
7525 @require_file_paths = $save_dir;
7529 if ($strictness >= $mystrict)
7531 if ($dangling_sym && ($force_missing || $add_missing))
7536 local ($trailer) = '';
7537 local ($suppress) = 0;
7539 # Only install missing files according to our desired
7541 local ($message) = "required file \`$errfile' not found";
7546 # Maybe run libtoolize.
7547 local @syslist = ('libtoolize', '--automake');
7548 push @syslist, '--copy'
7551 && grep ($_ eq $file, @libtoolize_files)
7552 && system (@syslist))
7554 $message = "installing \`$errfile'";
7556 $trailer = "; cannot run \`libtoolize': $!";
7558 elsif (-f ($am_dir . '/' . $file))
7560 # Install the missing file. Symlink if we
7561 # can, copy if we must. Note: delete the file
7562 # first, in case it is a dangling symlink.
7563 $message = "installing \`$errfile'";
7564 # Windows Perl will hang if we try to delete a
7565 # file that doesn't exist.
7566 unlink ($errfile) if -f $errfile;
7567 if ($symlink_exists && ! $copy_missing)
7569 if (! symlink ($am_dir . '/' . $file, $errfile))
7572 $trailer = "; error while making link: $!";
7575 elsif (system ('cp', $am_dir . '/' . $file, $errfile))
7578 $trailer = "\n error while copying";
7582 &maybe_push_required_file (&dirname ($errfile),
7586 local ($save) = $exit_status;
7589 # FIXME: allow actual file to be specified.
7590 &am_conf_line_error ($configure_ac, $line,
7591 "$message$trailer");
7595 &am_line_error ($line, "$message$trailer");
7597 $exit_status = $save if $suppress;
7603 # Like require_file_with_line, but error messages refer to
7604 # configure.ac, not the current Makefile.am.
7605 sub require_file_with_conf_line
7607 @require_file_paths = '.';
7608 &require_file_internal (1, @_);
7611 sub require_file_with_line
7613 @require_file_paths = '.';
7614 &require_file_internal (0, @_);
7619 @require_file_paths = '.';
7620 &require_file_internal (0, '', @_);
7623 # Require a file that is also required by Autoconf. Looks in
7624 # configuration path, as specified by AC_CONFIG_AUX_DIR.
7625 sub require_config_file
7627 @require_file_paths = @config_aux_path;
7628 &require_file_internal (1, '', @_);
7629 local ($dir) = $require_file_paths[0];
7630 @config_aux_path = @require_file_paths;
7633 $config_aux_dir = '.';
7637 $config_aux_dir = '$(top_srcdir)/' . $dir;
7641 # Assumes that the line number is in Makefile.am.
7642 sub require_conf_file_with_line
7644 @require_file_paths = @config_aux_path;
7645 &require_file_internal (0, @_);
7646 local ($dir) = $require_file_paths[0];
7647 @config_aux_path = @require_file_paths;
7650 $config_aux_dir = '.';
7654 $config_aux_dir = '$(top_srcdir)/' . $dir;
7658 # Assumes that the line number is in configure.ac.
7659 sub require_conf_file_with_conf_line
7661 @require_file_paths = @config_aux_path;
7662 &require_file_internal (1, @_);
7663 local ($dir) = $require_file_paths[0];
7664 @config_aux_path = @require_file_paths;
7667 $config_aux_dir = '.';
7671 $config_aux_dir = '$(top_srcdir)/' . $dir;
7675 ################################################################
7677 # Push a list of files onto dist_common.
7678 sub push_dist_common
7680 local (@files) = @_;
7683 foreach $file (@files)
7685 if (! defined $dist_common{$file})
7687 &prog_error ("push_dist_common run after handle_dist")
7688 if $handle_dist_run;
7689 $dist_common{$file} = 1;
7694 # Push a list of clean targets onto phony.
7695 sub push_phony_cleaners
7699 foreach $target ('mostly', 'dist', '', 'maintainer-')
7701 push (@phony, $target . 'clean-' . $base);
7708 $strictness_name = $_[0];
7709 if ($strictness_name eq 'gnu')
7713 elsif ($strictness_name eq 'gnits')
7715 $strictness = $GNITS;
7717 elsif ($strictness_name eq 'foreign')
7719 $strictness = $FOREIGN;
7723 die "automake: level \`$strictness_name' not recognized\n";
7728 ################################################################
7730 # Return directory name of file.
7736 ($sub = $file) =~ s,/+[^/]+$,,g;
7737 $sub = '.' if $sub eq $file;
7741 # Return file name of a file.
7747 ($sub = $file) =~s,^.*/+,,g;
7751 # Ensure a file exists.
7756 open (TOUCH, ">> $file");
7760 # Glob something. Do this to avoid indentation screwups everywhere we
7761 # want to glob. Gross!
7768 ################################################################
7770 # Print an error message and set exit status.
7773 warn "automake: ${am_file}.am: @_\n";
7779 local ($symbol, @args) = @_;
7781 if ($symbol && "$symbol" ne '-1')
7783 local ($file) = "${am_file}.am";
7785 if ($symbol =~ /^\d+$/)
7787 # SYMBOL is a line number, so just add the colon.
7788 $file .= ':' . $symbol;
7790 elsif (defined $content_lines{$symbol})
7792 # SYMBOL is a variable defined in Makefile.am, so add the
7793 # line number we saved from there.
7794 $file .= ':' . $content_lines{$symbol};
7796 elsif (defined $configure_vars{$symbol})
7798 # SYMBOL is a variable defined in configure.ac, so add the
7799 # appropriate line number.
7800 $file = $configure_vars{$symbol};
7804 # Couldn't find the line number.
7806 warn $file, ": @args\n";
7815 # Like am_error, but while scanning configure.ac.
7818 # FIXME: can run in subdirs.
7819 warn "automake: $configure_ac: @_\n";
7823 # Error message with line number referring to configure.ac.
7824 sub am_conf_line_error
7826 local ($file, $line, @args) = @_;
7830 warn "$file: $line: @args\n";
7835 &am_conf_error (@args);
7839 # Warning message with line number referring to configure.ac.
7840 # Does not affect exit_status
7841 sub am_conf_line_warning
7843 local ($saved_exit_status) = $exit_status;
7844 &am_conf_line_error (@_);
7845 $exit_status = $saved_exit_status;
7848 # Tell user where our aclocal.m4 is, but only once.
7849 sub keyed_aclocal_warning
7852 warn "automake: macro \`$key' can be generated by \`aclocal'\n";
7855 # Print usage information.
7858 print "Usage: automake [OPTION] ... [Makefile]...\n\n";
7859 print "Generate Makefile.in for autoconf from Makefile.am\n";
7861 print "\nFiles which are automatically distributed, if found:\n";
7862 $~ = "USAGE_FORMAT";
7863 local ($last, $iter, @lcomm);
7865 foreach $iter (sort ((@common_files, @common_sometimes)))
7867 push (@lcomm, $iter) unless $iter eq $last;
7871 local ($one, $two, $three, $four, $i, $max);
7872 $max = int (($#lcomm + 1) / 4);
7874 for ($i = 0; $i < $max; ++$i)
7877 $two = $lcomm[$max + $i];
7878 $three = $lcomm[2 * $max + $i];
7879 $four = $lcomm[3 * $max + $i];
7883 local ($mod) = ($#lcomm + 1) % 4;
7886 $one = $lcomm[$max];
7887 $two = ($mod > 1) ? $lcomm[2 * $max] : '';
7888 $three = ($mod > 2) ? $lcomm[3 * $max] : '';
7889 $four = ($mod > 3) ? $lcomm[4 * $max] : '';
7893 print "\nReport bugs to <bug-automake\@gnu.org>.\n";
7898 format USAGE_FORMAT =
7899 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
7900 $one, $two, $three, $four