| blob | 6dc5aefe4a63d918ec49810a2bcd025f5cf5111b |
1 #!@PERL@
2 # -*- perl -*-
3 # @configure_input@
5 eval 'exec @PERL@ -S $0 ${1+"$@"}'
6 if 0;
8 # automake - create Makefile.in from Makefile.am
9 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2, or (at your option)
14 # any later version.
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program; if not, write to the Free Software
23 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24 # 02111-1307, USA.
26 # Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
27 # Perl reimplementation by Tom Tromey <tromey@cygnus.com>.
30 # Parameters set by configure. Not to be changed. NOTE: assign
31 # VERSION as string so that eg version 0.30 will print correctly.
32 $VERSION = "@VERSION@";
33 $PACKAGE = "@PACKAGE@";
34 $prefix = "@prefix@";
35 $am_dir = "@datadir@/@PACKAGE@";
36 $TAR = "@TAR@";
38 # String constants.
39 $IGNORE_PATTERN = "^##([^#].*)?\$";
40 $WHITE_PATTERN = "^[ \t]*\$";
41 $COMMENT_PATTERN = "^#";
42 $RULE_PATTERN = "^([\$a-zA-Z_.][-.a-zA-Z0-9_(){}/]*) *:([^=].*|)\$";
43 $MACRO_PATTERN = "^([A-Za-z][A-Za-z0-9_]*)[ \t]*:?=[ \t]*(.*)\$";
44 $BOGUS_MACRO_PATTERN = "^([^ \t]*)[ \t]*:?=[ \t]*(.*)\$";
45 $GNITS_VERSION_PATTERN = "[0-9]+\\.[0-9]+([a-z]|\\.[0-9]+)?";
46 $IF_PATTERN = "^if[ \t]+\([A-Za-z][A-Za-z0-9_]*\)[ \t]*\(#.*\)?\$";
47 $ELSE_PATTERN = "^else[ \t]*\(#.*\)?\$";
48 $ENDIF_PATTERN = "^endif[ \t]*\(#.*\)?\$";
50 # Some regular expressions. One reason to put them here is that it
51 # makes indentation work better in Emacs.
52 $AC_CONFIG_AUX_DIR_PATTERN = "AC_CONFIG_AUX_DIR\\(([^)]+)\\)";
53 $AM_INIT_AUTOMAKE_PATTERN = "AM_INIT_AUTOMAKE\\([^,]*,([^,)]+)[,)]";
54 $AM_PACKAGE_VERSION_PATTERN = "^\\s*\\[?([^]\\s]+)\\]?\\s*\$";
55 # Note that there is no AC_PATH_TOOL. But we don't really care.
56 $AC_CHECK_PATTERN = "AC_(CHECK|PATH)_(PROG|PROGS|TOOL)\\(\\[?(\\w+)";
57 $AM_MISSING_PATTERN = "AM_MISSING_PROG\\(\\[?(\\w+)";
58 # Just check for alphanumeric in AC_SUBST. If you do AC_SUBST(5),
59 # then too bad.
60 $AC_SUBST_PATTERN = "AC_SUBST\\(\\[?(\\w+)";
61 $AM_CONDITIONAL_PATTERN = "AM_CONDITIONAL\\((\\w+)";
63 # Constants to define the "strictness" level.
64 $FOREIGN = 0;
65 $GNU = 1;
66 $GNITS = 2;
68 \f
70 # Variables global to entire run.
72 # TRUE if we should always generate Makefile.in.
73 $force_generation = 1;
75 # Strictness level as set on command line.
76 $default_strictness = $GNU;
78 # Name of strictness level, as set on command line.
79 $default_strictness_name = 'gnu';
81 # This is TRUE if GNU make specific automatic dependency generation
82 # code should be included in generated Makefile.in.
83 $cmdline_use_dependencies = 1;
85 # TRUE if in verbose mode.
86 $verbose = 0;
88 # This holds our (eventual) exit status. We don't actually exit until
89 # we have processed all input files.
90 $exit_status = 0;
92 # From the Perl manual.
93 $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
95 # TRUE if missing standard files should be installed.
96 $add_missing = 0;
98 # Files found by scanning configure.in for LIBOBJS.
99 %libsources = ();
101 # True if AM_C_PROTOTYPES appears in configure.in.
102 $am_c_prototypes = 0;
104 # Names used in AC_CONFIG_HEADER call. @config_fullnames holds the
105 # name which appears in AC_CONFIG_HEADER, colon and all.
106 # @config_names holds the file names. @config_headers holds the '.in'
107 # files. Ordinarily these are similar, but they can be different if
108 # the weird "NAME:FILE" syntax is used.
109 @config_fullnames = ();
110 @config_names = ();
111 @config_headers = ();
112 # Line number at which AC_CONFIG_HEADER appears in configure.in.
113 $config_header_line = 0;
115 # Directory where output files go. Actually, output files are
116 # relative to this directory.
117 $output_directory = '.';
119 # Relative location of top build directory.
120 $top_builddir = '';
122 # Absolute location of top build directory.
123 $build_directory = '';
125 # Name of srcdir as given in build directory's Makefile. For
126 # dependencies only.
127 $srcdir_name = '';
129 # List of Makefile.am's to process, and their corresponding outputs.
130 @input_files = ();
131 %output_files = ();
133 # List of files in AC_OUTPUT without Makefile.am, and their outputs.
134 @other_input_files = ();
135 # Line number at which AC_OUTPUT seen.
136 $ac_output_line = 0;
138 # List of directories to search for configure-required files. This
139 # can be set by AC_CONFIG_AUX_DIR.
140 @config_aux_path = ('.', '..', '../..');
141 $config_aux_dir = '';
143 # Whether AC_PROG_MAKE_SET has been seen in configure.in.
144 $seen_make_set = 0;
146 # Whether AM_GNU_GETTEXT has been seen in configure.in.
147 $seen_gettext = 0;
148 # Line number at which AM_GNU_GETTEXT seen.
149 $ac_gettext_line = 0;
151 # Whether ALL_LINGUAS has been seen.
152 $seen_linguas = '';
153 # The actual text.
154 $all_linguas = '';
155 # Line number at which it appears.
156 $all_linguas_line = 0;
158 # 1 if AC_PROG_INSTALL seen, 2 if AM_PROG_INSTALL seen.
159 $seen_prog_install = 0;
161 # 1 if any scripts installed, 0 otherwise.
162 $scripts_installed = 0;
164 # Whether AC_PATH_XTRA has been seen in configure.in.
165 $seen_path_xtra = 0;
167 # TRUE if AC_DECL_YYTEXT was seen.
168 $seen_decl_yytext = 0;
170 # TRUE if we've seen AC_CANONICAL_(HOST|SYSTEM). The presence of
171 # AC_CHECK_TOOL also sets this.
172 $seen_canonical = 0;
174 # TRUE if we've seen AC_ARG_PROGRAM.
175 $seen_arg_prog = 0;
177 # TRUE if we've seen AM_PROG_LIBTOOL.
178 $seen_libtool = 0;
179 $libtool_line = 0;
181 # Files installed by libtoolize.
182 @libtoolize_files = ('ltconfig', 'ltmain.sh', 'config.guess', 'config.sub');
184 # TRUE if we've seen AM_MAINTAINER_MODE.
185 $seen_maint_mode = 0;
187 # TRUE if we've seen PACKAGE and VERSION.
188 $seen_package = 0;
189 $seen_version = 0;
191 # Actual version we've seen.
192 $package_version = '';
194 # Line number where we saw version definition.
195 $package_version_line = 0;
197 # TRUE if we've seen AM_PATH_LISPDIR.
198 $seen_lispdir = 0;
200 # TRUE if we've seen AM_CYGWIN32.
201 $seen_cygwin32 = 0;
203 # Hash table of discovered configure substitutions. Keys are names,
204 # values are meaningless.
205 %configure_vars = ();
207 # Charsets used by maintainer and in distribution. MAINT_CHARSET is
208 # handled in a funny way: if seen in the top-level Makefile.am, it is
209 # used for every directory which does not specify a different value.
210 # The rationale here is that some directories (eg gettext) might be
211 # distributions of other packages, and thus require their own charset
212 # info. However, the DIST_CHARSET must be the same for the entire
213 # package; it can only be set at top-level.
214 # FIXME: this yields bugs when rebuilding. What to do? Always
215 # read (and sometimes discard) top-level Makefile.am?
216 $maint_charset = '';
217 $dist_charset = 'utf8'; # recode doesn't support this yet.
219 # Name of input file ("Makefile.in") and output file ("Makefile.am").
220 # These have no directory components.
221 $am_file_name = '';
222 $in_file_name = '';
224 # TRUE if --cygnus seen.
225 $cygnus_mode = 0;
227 # Keys of this hash are names of dependency files to ignore.
228 %omit_dependencies = ();
230 # Hash table of AM_CONDITIONAL variables seen in configure.
231 %configure_cond = ();
233 # Map from obsolete macros to hints for new macros.
234 # FIXME complete the list so that there are no `0' hints.
235 %obsolete_macros =
236 (
237 'AC_FEATURE_CTYPE', "use \`AC_HEADER_STDC'",
238 'AC_FEATURE_ERRNO', "add \`strerror' to \`AC_REPLACE_FUNCS(...)'",
239 'AC_FEATURE_EXIT', 0,
240 'AC_SYSTEM_HEADER', 0,
242 # Note that we do not handle this one, because it is still run
243 # from AM_CONFIG_HEADER. So we deal with it specially in
244 # scan_configure.
245 # 'AC_CONFIG_HEADER', "use \`AM_CONFIG_HEADER'",
247 'fp_C_PROTOTYPES', "use \`AM_C_PROTOTYPES'",
248 'fp_PROG_CC_STDC', "use \`AM_PROG_CC_STDC'",
249 'fp_PROG_INSTALL', "use \`AM_PROG_INSTALL'",
250 'fp_WITH_DMALLOC', "use \`AM_WITH_DMALLOC'",
251 'fp_WITH_REGEX', "use \`AM_WITH_REGEX'",
252 'gm_PROG_LIBTOOL', "use \`AM_PROG_LIBTOOL'",
253 'jm_MAINTAINER_MODE', "use \`AM_MAINTAINER_MODE'",
254 'md_TYPE_PTRDIFF_T', "use \`AM_TYPE_PTRDIFF_T'",
255 'ud_PATH_LISPDIR', "use \`AM_PATH_LISPDIR'",
257 # Now part of autoconf proper, under a different name.
258 'AM_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
259 'fp_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
260 'AM_SANITY_CHECK_CC', "automatically done by \`AC_PROG_CC'",
262 # These aren't quite obsolete.
263 # 'md_PATH_PROG',
264 );
266 # Regexp to match the above macros.
267 $obsolete_rx = '(' . join ('|', keys %obsolete_macros) . ')';
269 \f
271 &initialize_global_constants;
273 # Parse command line.
274 &parse_arguments (@ARGV);
276 # Do configure.in scan only once.
277 &scan_configure;
279 die "automake: no \`Makefile.am' found or specified\n"
280 if ! @input_files;
282 # Now do all the work on each file.
283 foreach $am_file (@input_files)
284 {
285 if (! -f ($am_file . '.am'))
286 {
287 &am_error ("\`" . $am_file . ".am' does not exist");
288 }
289 else
290 {
291 &generate_makefile ($output_files{$am_file}, $am_file);
292 }
293 }
295 if ($seen_prog_install <= $scripts_installed)
296 {
297 &am_conf_error (($scripts_installed ? 'AM_PROG_INSTALL' : 'AC_PROG_INSTALL')
298 . " must be used in configure.in");
299 &keyed_aclocal_warning ('AM_PROG_INSTALL')
300 if $scripts_installed;
301 }
303 exit $exit_status;
306 ################################################################
308 # Parse command line.
309 sub parse_arguments
310 {
311 local (@arglist) = @_;
313 # Start off as gnu.
314 &set_strictness ('gnu');
316 while (@arglist)
317 {
318 if ($arglist[0] eq "--version")
319 {
320 print "automake (GNU $PACKAGE) $VERSION\n\n";
321 print "Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.\n";
322 print "This is free software; see the source for copying conditions. There is NO\n";
323 print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n";
324 print "Written by Tom Tromey <tromey\@cygnus.com>\n";
326 exit 0;
327 }
328 elsif ($arglist[0] eq "--help")
329 {
330 &usage;
331 }
332 elsif ($arglist[0] =~ /^--amdir=(.+)$/)
333 {
334 $am_dir = $1;
335 }
336 elsif ($arglist[0] eq '--amdir')
337 {
338 &require_argument (@arglist);
339 shift (@arglist);
340 $am_dir = $arglist[0];
341 }
342 elsif ($arglist[0] =~ /^--build-dir=(.+)$/)
343 {
344 # Must end in /.
345 $build_directory = $1 . '/';
346 }
347 elsif ($arglist[0] eq '--build-dir')
348 {
349 &require_argument (@arglist);
350 shift (@arglist);
351 # Must end in /.
352 $build_directory = $arglist[0] . '/';
353 }
354 elsif ($arglist[0] =~ /^--srcdir-name=(.+)$/)
355 {
356 $srcdir_name = $1;
357 }
358 elsif ($arglist[0] eq '--srcdir-name')
359 {
360 &require_argument (@arglist);
361 shift (@arglist);
362 $srcdir_name = $arglist[0];
363 }
364 elsif ($arglist[0] eq '--gnu')
365 {
366 &set_strictness ('gnu');
367 }
368 elsif ($arglist[0] eq '--gnits')
369 {
370 &set_strictness ('gnits');
371 }
372 elsif ($arglist[0] eq '--cygnus')
373 {
374 $cygnus_mode = 1;
375 }
376 elsif ($arglist[0] eq '--foreign')
377 {
378 &set_strictness ('foreign');
379 }
380 elsif ($arglist[0] eq '--include-deps' || $arglist[0] eq '-i')
381 {
382 $cmdline_use_dependencies = 0;
383 }
384 elsif ($arglist[0] eq '--no-force')
385 {
386 $force_generation = 0;
387 }
388 elsif ($arglist[0] =~ /^--output-dir=(.*)$/)
389 {
390 # Set output directory.
391 $output_directory = $1;
392 }
393 elsif ($arglist[0] eq '--output-dir' || $arglist[0] eq '-o')
394 {
395 &require_argument (@arglist);
396 shift (@arglist);
397 $output_directory = $arglist[0];
398 }
399 elsif ($arglist[0] eq '--add-missing' || $arglist[0] eq '-a')
400 {
401 $add_missing = 1;
402 }
403 elsif ($arglist[0] eq '--verbose' || $arglist[0] eq '-v')
404 {
405 $verbose = 1;
406 }
407 elsif ($arglist[0] eq '--')
408 {
409 # Stop option processing.
410 shift (@arglist);
411 push (@input_files, @arglist);
412 last;
413 }
414 elsif ($arglist[0] =~ /^-/)
415 {
416 die "automake: unrecognized option -- \`$arglist[0]'\nTry \`automake --help' for more information.\n";
417 }
418 else
419 {
420 # Handle $local:$input syntax. Note that we only examine
421 # the first ":" file to see if it is automake input; the
422 # rest are just taken verbatim. We still keep all the
423 # files around for dependency checking, however.
424 local ($local, $input, @rest) = split (/:/, $arglist[0]);
425 if (! $input)
426 {
427 $input = $local;
428 }
429 else
430 {
431 # Strip .in; later on .am is tacked on. That is how
432 # the automake input file is found. Maybe not the
433 # best way, but it is easy to explain. FIXME: should
434 # be error if .in is missing.
435 $input =~ s/\.in$//;
436 }
437 push (@input_files, $input);
438 $output_files{$input} = join (':', ($local, @rest));
439 }
441 shift (@arglist);
442 }
444 # Take global strictness from whatever we currently have set.
445 $default_strictness = $strictness;
446 $default_strictness_name = $strictness_name;
447 }
449 # Ensure argument exists, or die.
450 sub require_argument
451 {
452 local ($arg, @arglist) = @_;
453 die "automake: no argument given for option \`$arg'\n"
454 if ! @arglist;
455 }
457 ################################################################
459 # Generate a Makefile.in given the name of the corresponding Makefile and
460 # the name of the file output by config.status.
461 sub generate_makefile
462 {
463 local ($output, $makefile) = @_;
465 ($am_file_name = $makefile) =~ s/^.*\///;
466 $in_file_name = $am_file_name . '.in';
467 $am_file_name .= '.am';
469 # $OUTPUT is encoded. If it contains a ":" then the first element
470 # is the real output file, and all remaining elements are input
471 # files. We don't scan or otherwise deal with these input file,
472 # other than to mark them as dependencies. See scan_configure for
473 # details.
474 local (@secondary_inputs);
475 ($output, @secondary_inputs) = split (/:/, $output);
477 &initialize_per_input;
478 $relative_dir = &dirname ($output);
479 $am_relative_dir = &dirname ($makefile);
481 # At the toplevel directory, we might need config.guess, config.sub
482 # or libtool scripts (ltconfig and ltmain.sh).
483 if ($relative_dir eq '.')
484 {
485 # libtool requires some files.
486 &require_conf_file_with_conf_line ($libtool_line, $FOREIGN,
487 @libtoolize_files)
488 if $seen_libtool;
490 # AC_CANONICAL_HOST and AC_CANONICAL_SYSTEM need config.guess and
491 # config.sub.
492 &require_config_file ($FOREIGN, 'config.guess', 'config.sub')
493 if $seen_canonical;
494 }
496 # We still need Makefile.in here, because sometimes the `dist'
497 # target doesn't re-run automake.
498 if ($am_relative_dir eq $relative_dir)
499 {
500 # Only distribute the files if they are in the same subdir as
501 # the generated makefile.
502 &push_dist_common ($in_file_name, $am_file_name);
503 }
504 push (@sources, '$(SOURCES)')
505 if &variable_defined ('SOURCES');
506 push (@objects, '$(OBJECTS)')
507 if &variable_defined ('OBJECTS');
509 # This is always the default target. This gives us freedom to do
510 # things in whatever order is convenient. Note that we set up
511 # $output_header here so that we can insert some text just after
512 # the "default" target, but before any other targets. In
513 # particular we want to support the .SUFFIX hack here; this is
514 # documented elsewhere.
515 $output_header = "default: all\n\n";
516 push (@phony, 'default');
518 &read_am_file ($makefile . '.am');
519 if (&handle_options)
520 {
521 # Fatal error. Just return, so we can continue with next file.
522 return;
523 }
525 # Check first, because we might modify some state.
526 &check_cygnus;
527 &check_gnu_standards;
528 &check_gnits_standards;
530 &handle_configure ($output, $makefile, @secondary_inputs);
531 &handle_gettext;
532 &handle_libraries;
533 &handle_ltlibraries;
534 &handle_programs;
535 &handle_scripts;
537 &handle_built_sources;
539 # This must be run after all the sources are scanned.
540 &handle_yacc_lex_cxx;
542 # Re-init SOURCES and OBJECTS. FIXME: other code shouldn't depend
543 # on this (but currently does).
544 $contents{'SOURCES'} = join (' ', @sources);
545 $contents{'OBJECTS'} = join (' ', @objects);
547 &handle_texinfo;
548 &handle_emacs_lisp;
549 &handle_man_pages;
550 &handle_data;
551 &handle_headers;
552 &handle_subdirs;
553 &handle_tags;
554 &handle_dist ($makefile);
555 &handle_dependencies;
556 &handle_tests;
557 &handle_footer;
558 &handle_merge_targets ($makefile);
559 &handle_installdirs;
560 &handle_clean;
561 &handle_phony;
563 &check_typos;
565 if (! -d ($output_directory . '/' . $am_relative_dir))
566 {
567 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
568 }
570 local ($out_file) = $output_directory . '/' . $makefile . ".in";
571 if (! $force_generation && -e $out_file)
572 {
573 local ($am_time) = (stat ($makefile . '.am'))[9];
574 local ($in_time) = (stat ($out_file))[9];
575 # FIXME: should cache these times.
576 local ($conf_time) = (stat ('configure.in'))[9];
577 # FIXME: how to do unsigned comparison?
578 if ($am_time < $in_time || $am_time < $conf_time)
579 {
580 # No need to update.
581 return;
582 }
583 if (-f 'aclocal.m4')
584 {
585 local ($acl_time) = (stat _)[9];
586 return if ($am_time < $acl_time);
587 }
588 }
590 if (! open (GM_FILE, "> " . $out_file))
591 {
592 warn "automake: ${am_file}.in: cannot write: $!\n";
593 $exit_status = 1;
594 return;
595 }
596 print "automake: creating ", $makefile, ".in\n" if $verbose;
598 print GM_FILE $output_vars;
599 print GM_FILE $output_header;
600 print GM_FILE $output_rules;
601 print GM_FILE $output_trailer;
603 close (GM_FILE);
604 }
606 ################################################################
608 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
609 sub handle_options
610 {
611 return 0 if ! &variable_defined ('AUTOMAKE_OPTIONS');
613 foreach (&variable_value_as_list ('AUTOMAKE_OPTIONS', ''))
614 {
615 $options{$_} = 1;
616 if ($_ eq 'gnits' || $_ eq 'gnu' || $_ eq 'foreign')
617 {
618 &set_strictness ($_);
619 }
620 elsif (/ansi2knr/)
621 {
622 # An option like "../lib/ansi2knr" is allowed. With no
623 # path prefix, we assume the required programs are in this
624 # directory. We save the actual option for later.
625 $options{'ansi2knr'} = $_;
626 }
627 elsif ($_ eq 'no-installman' || $_ eq 'no-installinfo'
628 || $_ eq 'dist-shar' || $_ eq 'dist-zip'
629 || $_ eq 'dist-tarZ' || $_ eq 'dejagnu'
630 || $_ eq 'no-texinfo.tex')
631 {
632 # Explicitly recognize these.
633 }
634 elsif ($_ eq 'no-dependencies')
635 {
636 $use_dependencies = 0;
637 }
638 elsif (/([0-9]+)\.([0-9]+)/)
639 {
640 # Got a version number. Note that alpha releases count as
641 # the next higher release. Note also that we assume there
642 # will be a maximum of 100 minor releases for any given
643 # major release.
644 local ($rmajor, $rminor) = ($1, $2);
645 if ($VERSION !~ /([0-9]+)\.([0-9]+)([a-z])?/)
646 {
647 print STDERR
648 "automake: programming error: version is incorrect\n";
649 exit 1;
650 }
651 local ($tmajor, $tminor) = ($1, $2);
652 # Handle alpha versions.
653 ++$tminor if defined $3;
655 if ($rmajor > $tmajor || ($rmajor == $tmajor && $rminor > $tminor))
656 {
657 &am_line_error ('AUTOMAKE_OPTIONS',
658 "require version $_, only have $VERSION");
659 return 1;
660 }
661 }
662 else
663 {
664 &am_line_error ('AUTOMAKE_OPTIONS',
665 'option ', $_, 'not recognized');
666 }
667 }
669 return 0;
670 }
672 # Return object extension. Just once, put some code into the output.
673 # Argument is the name of the output file
674 sub get_object_extension
675 {
676 local ($out) = @_;
678 # Always set this.
679 $dir_holds_sources = 1;
681 # Maybe require libtool library object files.
682 local ($extension) = '.o';
683 $extension = '.lo' if ($out =~ /\.la$/);
685 if (! $included_generic_compile)
686 {
687 # Boilerplate.
688 local ($xform) = '';
689 if (&variable_defined ('CONFIG_HEADER'))
690 {
691 local ($one_hdr);
692 foreach $one_hdr (split (' ', &variable_value ('CONFIG_HEADER')))
693 {
694 local ($var);
695 ($var = &dirname ($one_hdr)) =~ s/(\W)/\\$1/g;
696 $xform .= ' ' if $xform;
697 $xform .= '-I' . $var;
698 }
699 }
700 $xform = 's/\@CONFIG_INCLUDE_SPEC\@/' . $xform . '/go;';
701 $output_vars .= &file_contents_with_transform ($xform,
702 'comp-vars');
703 $output_rules .= &file_contents ('compile');
704 &push_phony_cleaners ('compile');
706 # If using X, include some extra variable definitions. NOTE
707 # we don't want to force these into CFLAGS or anything,
708 # because not all programs will necessarily use X.
709 if ($seen_path_xtra)
710 {
711 local ($var);
712 foreach $var ('X_CFLAGS', 'X_LIBS', 'X_EXTRA_LIBS', 'X_PRE_LIBS')
713 {
714 &define_configure_variable ($var);
715 }
716 }
718 push (@suffixes, '.c', '.o');
719 push (@clean, 'compile');
721 $included_generic_compile = 1;
722 }
724 if ($seen_libtool && ! $included_libtool_compile)
725 {
726 # Output the libtool compilation rules.
727 $output_rules .= &file_contents ('libtool');
728 &push_phony_cleaners ('libtool');
730 push (@suffixes, '.lo');
731 push (@clean, 'libtool');
733 $included_libtool_compile = 1;
734 }
736 # Check for automatic de-ANSI-fication.
737 if (defined $options{'ansi2knr'})
738 {
739 $extension = '$U' . $extension;
740 if (! $included_knr_compile)
741 {
742 if (! $am_c_prototypes)
743 {
744 &am_line_error ('AUTOMAKE_OPTIONS',
745 "option \`ansi2knr' in use but \`AM_C_PROTOTYPES' not in configure.in");
746 &keyed_aclocal_warning ('AM_C_PROTOTYPES');
747 # Only give this error once.
748 $am_c_prototypes = 1;
749 }
751 # Only require ansi2knr files if they should appear in
752 # this directory.
753 if ($options{'ansi2knr'} eq 'ansi2knr')
754 {
755 &require_file_with_line ('AUTOMAKE_OPTIONS', $FOREIGN,
756 'ansi2knr.c', 'ansi2knr.1');
757 $output_rules .= &file_contents ('kr-extra');
758 push (@clean, 'krextra');
759 &push_phony_cleaners ('krextra');
760 }
762 # Generate rules to build ansi2knr. If it is in some
763 # other directory, then generate dependencies but have the
764 # rule just run elsewhere.
765 $output_rules .= ($options{'ansi2knr'} . ': '
766 . $options{'ansi2knr'} . ".o\n");
767 if ($options{'ansi2knr'} eq 'ansi2knr')
768 {
769 $output_rules .= ("\t\$(LINK) ansi2knr.o \$(LIBS)\n"
770 . "ansi2knr.o: \$(CONFIG_HEADER)\n\n");
771 }
772 else
773 {
774 $output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
775 . " && \$(MAKE) ansi2knr\n\n");
776 }
778 # Make sure ansi2knr can be found: if no path specified,
779 # specify "./".
780 if ($options{'ansi2knr'} eq 'ansi2knr')
781 {
782 # Substitution from AM_C_PROTOTYPES. This makes it be
783 # built only when necessary.
784 &define_configure_variable ('ANSI2KNR');
785 # ansi2knr needs to be built before subdirs, so unshift it.
786 unshift (@all, '$(ANSI2KNR)');
787 }
788 else
789 {
790 # Found in another directory.
791 &define_variable ("ANSI2KNR", $options{'ansi2knr'});
792 }
794 $output_rules .= &file_contents ('clean-kr');
796 push (@clean, 'kr');
797 &push_phony_cleaners ('kr');
799 $included_knr_compile = 1;
800 }
801 }
803 return $extension;
804 }
806 # Handle yacc and lex.
807 sub handle_yacc_lex_cxx
808 {
809 #
810 # First do yacc and lex.
811 #
813 local ($yacc_count) = scalar (keys %yacc_sources);
814 local ($lex_count) = scalar (keys %lex_sources);
816 if ($yacc_count)
817 {
818 local (%seen_suffix) = ();
819 foreach (keys %yacc_sources)
820 {
821 /(\..*)$/;
822 &output_yacc_build_rule ($1, $yacc_count > 1)
823 if (! defined $seen_suffix{$1});
824 $seen_suffix{$1} = 1;
825 }
827 if (! defined $configure_vars{'YACC'})
828 {
829 &am_error ("yacc source seen but \`YACC' not defined in \`configure.in'");
830 }
831 }
832 if ($lex_count)
833 {
834 local (%seen_suffix) = ();
835 foreach (keys %lex_sources)
836 {
837 /(\..*)$/;
838 &output_lex_build_rule ($1, $lex_count > 1)
839 if (! defined $seen_suffix{$1});
840 $seen_suffix{$1} = 1;
841 }
843 if (! defined $configure_vars{'LEX'})
844 {
845 &am_error ("lex source seen but \`LEX' not defined in \`configure.in'");
846 }
847 if (! $seen_decl_yytext)
848 {
849 &am_error ("lex source seen but \`AC_DECL_YYTEXT' not in \`configure.in'");
850 }
851 }
853 if ($yacc_count > 1 || $lex_count > 1)
854 {
855 # If there is more than one distinct yacc (resp lex) source
856 # file in a given directory, then the `ylwrap' program is
857 # required to allow parallel builds to work correctly. FIXME:
858 # for now, no line number.
859 &require_config_file ($FOREIGN, 'ylwrap');
860 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
861 {
862 &define_variable ('YLWRAP', $config_aux_dir . "/ylwrap");
863 }
864 else
865 {
866 &define_variable ('YLWRAP', '$(srcdir)/ylwrap');
867 }
868 }
870 #
871 # Handle libtool.
872 #
873 local ($ltcompile, $ltlink) = ('', '');
874 if ($seen_libtool)
875 {
876 &define_configure_variable ("LIBTOOL");
877 $ltcompile = '$(LIBTOOL) --mode=compile ';
878 $ltlink = '$(LIBTOOL) --mode=link ';
879 }
881 #
882 # Now handle C++.
883 #
884 local (@cxx_list) = keys %cxx_extensions;
885 local ($cxx_count) = scalar @cxx_list;
886 if ($cxx_count)
887 {
888 push (@suffixes, @cxx_list);
890 &define_configure_variable ("CXXFLAGS");
891 &define_variable ('CXXCOMPILE', '$(CXX) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CXXFLAGS)');
892 &define_variable ('LTCXXCOMPILE',
893 $ltcompile . '$(CXX) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CXXFLAGS)')
894 if ($seen_libtool);
896 &define_variable ('CXXLINK', $ltlink . '$(CXX) $(CXXFLAGS) $(LDFLAGS) -o $@');
898 local ($ext);
899 foreach $ext (@cxx_list)
900 {
901 $output_rules .= ("$ext.o:\n"
902 . "\t\$(CXXCOMPILE) -c \$<\n");
903 $output_rules .= ("$ext.lo:\n"
904 . "\t\$(LTCXXCOMPILE) -c \$<\n")
905 if ($seen_libtool);
906 }
908 if (! defined $configure_vars{'CXX'})
909 {
910 &am_error ("C++ source seen but \`CXX' not defined in \`configure.in'");
911 }
912 }
914 #
915 # Handle some ansi2knr cleanup.
916 #
917 if (defined $options{'ansi2knr'} && keys %de_ansi_files)
918 {
919 # Make all _.c files depend on their corresponding .c files.
920 local ($base, @objects);
921 foreach $base (sort (keys %de_ansi_files))
922 {
923 $output_rules .= $base . "_.c: $base.c\n\t"
924 . '$(ANSI2KNR) $< ' . $base . "_.c\n";
925 push (@objects, $base . '_.o');
926 push (@objects, $base . '_.lo') if $seen_libtool;
927 }
929 # Make all _.o (and _.lo) files depend on ansi2knr.
930 # Use a sneaky little hack to make it print nicely.
931 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
932 }
934 #
935 # Last, handle some C cleanup.
936 #
937 if ($seen_c_source)
938 {
939 &define_configure_variable ('CFLAGS');
940 &define_variable ('COMPILE',
941 '$(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)');
942 &define_variable ('LTCOMPILE',
943 $ltcompile .
944 '$(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CFLAGS)')
945 if ($seen_libtool);
946 &define_variable ('LINK', $ltlink . '$(CC) $(CFLAGS) $(LDFLAGS) -o $@');
948 if (! defined $configure_vars{'CC'})
949 {
950 &am_line_error ($seen_c_source,
951 "C source seen but \`CC' not defined in \`configure.in'");
952 }
953 }
954 }
957 # Output a rule to build from a YACC source. The output from YACC is
958 # compiled with C or C++, depending on the extension of the YACC file.
959 sub output_yacc_build_rule
960 {
961 local ($yacc_suffix, $use_ylwrap, $c_suffix) = @_;
963 local ($c_suffix, $suffix);
964 ($c_suffix = $yacc_suffix) =~ tr/y/c/;
965 push (@suffixes, $yacc_suffix, $c_suffix, '.h');
967 # Generate rule for c/c++ and header file. Probably should only
968 # do header if `yacc -d' is run. But how can we determine that?
969 foreach $suffix ($c_suffix, '.h')
970 {
971 $output_rules .= "$yacc_suffix$suffix:\n\t";
973 if ($use_ylwrap)
974 {
975 $output_rules .= ('$(SHELL) $(YLWRAP)'
976 . ' "$(YACC)" $< y.tab.c $*' . $c_suffix
977 . ' y.tab.h $*.h -- $(YFLAGS)');
978 }
979 else
980 {
981 $output_rules .= ('$(YACC) $(YFLAGS) $< && mv y.tab.c $@' . "\n"
982 . "\tif test -f y.tab.h; then \\\n"
983 . "\tif cmp -s y.tab.h \$*.h; then rm -f y.tab.h; else mv y.tab.h \$*.h; fi; \\\n"
984 . "\telse :; fi");
985 }
986 $output_rules .= "\n";
987 }
988 }
990 sub output_lex_build_rule
991 {
992 local ($lex_suffix, $use_ylwrap) = @_;
993 local ($c_suffix);
995 ($c_suffix = $lex_suffix) =~ tr/l/c/;
996 push (@suffixes, $lex_suffix);
997 &define_configure_variable ('LEX_OUTPUT_ROOT');
998 &define_configure_variable ('LEXLIB');
999 $output_rules .= "$lex_suffix$c_suffix:\n\t";
1001 if ($use_ylwrap)
1002 {
1003 # Is the $@ correct here? If so, why not use it in the ylwrap
1004 # build rule for yacc above?
1005 $output_rules .= '$(SHELL) $(YLWRAP)'
1006 . ' "$(LEX)" $< $(LEX_OUTPUT_ROOT).c $@ -- $(LFLAGS)';
1007 }
1008 else
1009 {
1010 $output_rules .= '$(LEX) $(LFLAGS) $< && mv $(LEX_OUTPUT_ROOT).c $@';
1011 }
1012 $output_rules .= "\n";
1013 }
1016 # Check to make sure a source defined in LIBOBJS is not explicitly
1017 # mentioned. This is a separate function (as opposed to being inlined
1018 # in handle_source_transform) because it isn't always appropriate to
1019 # do this check.
1020 sub check_libobjs_sources
1021 {
1022 local ($one_file, $unxformed) = @_;
1024 local ($prefix, $file, @files);
1025 foreach $prefix ('', 'EXTRA_')
1026 {
1027 if (&variable_defined ($prefix . $one_file . '_SOURCES'))
1028 {
1029 @files = &variable_value_as_list (($prefix
1030 . $one_file . '_SOURCES'),
1031 'all');
1032 }
1033 elsif ($prefix eq '')
1034 {
1035 @files = ($unxformed . '.c');
1036 }
1037 else
1038 {
1039 next;
1040 }
1042 foreach $file (@files)
1043 {
1044 if (defined $libsources{$file})
1045 {
1046 &am_line_error ($prefix . $one_file . '_SOURCES',
1047 "automatically discovered file \`$file' should not be explicitly mentioned");
1048 }
1049 }
1050 }
1051 }
1053 # Does much of the actual work for handle_source_transform.
1054 # Arguments are:
1055 # list of source files to transform
1056 # Result is a list
1057 # first element is name of linker to use (empty string for default linker)
1058 # remaining elements are names of `.o's
1059 sub handle_single_transform_list
1060 {
1061 local (@files) = @_;
1062 local ($linker) = '';
1063 local (@result) = ();
1064 local ($nonansi_obj) = $obj;
1065 $nonansi_obj =~ s/_//g;
1066 if (length (@files))
1067 {
1068 # Turn sources into objects.
1069 foreach (@files)
1070 {
1071 # Skip header files, including C++-ish ones. The list
1072 # of C++ header extensions comes from Emacs 19.32
1073 # etags.
1074 next if /\.[hH]$/;
1075 next if /\.hxx$/;
1076 next if /\.h\+\+$/;
1077 next if /\.hh$/;
1078 next if /\.hpp$/;
1079 # Skip things that look like configure substitutions.
1080 next if /^\@.*\@$/;
1082 # Include appropriate file for lex or yacc source in
1083 # distribution. If the extension is the regular '.y' or
1084 # '.l', we assume C compilation, and the generated file
1085 # has exension .c. Otherwise, we compile with C++, and
1086 # make the following association: (yy -> cc, y++ -> c++,
1087 # yxx -> cxx), similarly for .ll, etc.
1088 if (/^(.*)\.(y|yy|y\+\+|yxx)$/)
1089 {
1090 # Yacc source.
1091 local ($ext) = $2;
1092 $ext =~ tr/y/c/;
1093 &push_dist_common ("$1.$ext");
1094 $yacc_sources{$_} = 1;
1095 }
1096 elsif (/^(.*)\.(l|ll|l\+\+|lxx)$/)
1097 {
1098 # Lex source.
1099 local ($ext) = $2;
1100 $ext =~ tr/l/c/;
1101 &push_dist_common ("$1.$ext");
1102 $lex_sources{$_} = 1;
1103 }
1105 # Strip any directory prefix.
1106 $_ = &basename ($_);
1108 # Transform source files into .o files. List of C++
1109 # extensions comes from Emacs 19.34 etags.
1110 if (s/\.(c\+\+|cc|cpp|cxx|C)$/$nonansi_obj/)
1111 {
1112 $cxx_extensions{'.' . $1} = 1;
1113 $linker = 'CXXLINK';
1114 }
1115 elsif (s/\.(yy|y\+\+|yxx|ll|l\+\+|lxx)$/$nonansi_obj/)
1116 {
1117 # Compiling lex or yacc with C++
1118 local ($ext) = $1;
1119 $ext =~ tr/ly/cc/;
1120 $cxx_extensions{".$ext"} = 1;
1121 $linker = 'CXXLINK';
1122 }
1123 elsif (s/\.([Ff]\\|f90\\|for)$/$nonansi_obj/)
1124 {
1125 # FORTRAN support. FIXME: not finished.
1126 }
1127 elsif (s/\.[sS]$/$nonansi_obj/)
1128 {
1129 # .s is assembly. Just rewrite it. FIXME: not finished.
1130 }
1131 elsif (defined ($options{'ansi2knr'}) && s/_\.[cly]$/_.c/)
1132 {
1133 # FIXME include line number in error.
1134 &am_error ("C source file \`$_' would be deleted by ansi2knr rules");
1135 }
1136 elsif (s/\.[cly]$//)
1137 {
1138 # .c is C. .l is lex. .y is yacc.
1140 # Note: first we rewrite (eg) foo.c to foo and push
1141 # the file onto the list of deansified files. Then we add
1142 # $obj, which can either be `_.o', or simply `.o' if
1143 # deansification is not required.
1144 $de_ansi_files{$_} = 1;
1145 $_ .= $obj;
1146 $seen_c_source = 1;
1147 }
1148 else
1149 {
1150 # No error message here. Used to have one, but it was
1151 # very unpopular.
1152 next;
1153 }
1155 push (@result, $_);
1157 # Transform .o or $o file into .P file (for automatic
1158 # dependency code).
1159 s/$objpat$/.P/g;
1160 $dep_files{'.deps/' . $_} = 1;
1161 }
1162 }
1164 return ($linker, @result);
1165 }
1167 # Handle SOURCE->OBJECT transform for one program or library.
1168 # Arguments are:
1169 # canonical (transformed) name of object to build
1170 # actual name of object to build
1171 # object extension (ie either `.o' or `$o'.
1172 # Return result is name of linker variable that must be used.
1173 # Empty return means just use `LINK'.
1174 sub handle_source_transform
1175 {
1176 # one_file is canonical name. unxformed is given name. obj is
1177 # object extension.
1178 local ($one_file, $unxformed, $obj) = @_;
1179 local ($objpat) = $obj;
1180 $objpat =~ s/(\W)/\\$1/g;
1181 # Handle explicit `.o' as well as whatever we're passed.
1182 $objpat = '(' . $objpat . "|\\.o)";
1184 local ($linker) = '';
1186 if (&variable_defined ($one_file . "_OBJECTS"))
1187 {
1188 &am_line_error ($one_file . '_OBJECTS',
1189 $one_file . '_OBJECTS', 'should not be defined');
1190 # No point in continuing.
1191 return;
1192 }
1194 local (@files, @result, $prefix, $temp);
1195 foreach $prefix ('', 'EXTRA_')
1196 {
1197 @files = ();
1198 local ($var) = $prefix . $one_file . "_SOURCES";
1199 if (&variable_defined ($var))
1200 {
1201 push (@sources, '$(' . $prefix . $one_file . "_SOURCES)");
1202 push (@objects, '$(' . $prefix . $one_file . "_OBJECTS)")
1203 unless $prefix eq 'EXTRA_';
1204 local (@conds) = &variable_conditions ($var);
1205 if (! @conds)
1206 {
1207 @files = &variable_value_as_list ($var, '');
1208 }
1209 else
1210 {
1211 local ($cond);
1212 foreach $cond (@conds)
1213 {
1214 @files = &variable_value_as_list ($var, $cond);
1215 ($temp, @result) = &handle_single_transform_list (@files);
1216 $linker = $temp if $linker eq '';
1217 &define_pretty_variable ($one_file . "_OBJECTS", $cond,
1218 @result)
1219 unless $prefix eq 'EXTRA_';
1220 }
1222 next;
1223 }
1224 }
1225 elsif ($prefix eq '')
1226 {
1227 &define_variable ($one_file . "_SOURCES", $unxformed . ".c");
1228 push (@sources, $unxformed . '.c');
1229 push (@objects, $unxformed . $obj);
1230 push (@files, $unxformed . '.c');
1231 }
1233 ($temp, @result) = &handle_single_transform_list (@files);
1234 $linker = $temp if $linker eq '';
1235 &define_pretty_variable ($one_file . "_OBJECTS", '', @result)
1236 unless $prefix eq 'EXTRA_';
1237 }
1239 return $linker;
1240 }
1242 # Handle the BUILT_SOURCES variable.
1243 sub handle_built_sources
1244 {
1245 return unless &variable_defined ('BUILT_SOURCES');
1247 local (@sources) = &variable_value_as_list ('BUILT_SOURCES', 'all');
1248 local ($s);
1249 foreach $s (@sources)
1250 {
1251 if (/^\@.*\@$/)
1252 {
1253 # FIXME: is this really the right thing to do?
1254 &am_line_error ('BUILT_SOURCES',
1255 "\`BUILT_SOURCES' should not contain a configure substitution");
1256 last;
1257 }
1258 }
1260 # We don't care about the return value of this function. We just
1261 # want to make sure to update %dep_files with the contents of
1262 # BUILT_SOURCES.
1263 &handle_single_transform_list (@sources);
1264 }
1266 # Special-case @ALLOCA@ and @LIBOBJS@ in _LDADD or _LIBADD variables.
1267 # Also, generate _DEPENDENCIES variable if appropriate.
1268 # Arguments are:
1269 # transformed name of object being built, or empty string if no object
1270 # name of _LDADD/_LIBADD-type variable to examine
1271 # boolean (lex_seen) which is true if a lex source file was seen in this
1272 # object. valid only for LDADDs, not LIBADDs. If set, LEXLIB
1273 # must be in LDADD.
1274 # Returns 1 if LIBOBJS seen, 0 otherwise.
1275 sub handle_lib_objects
1276 {
1277 local ($xname, $var, $lex_seen) = @_;
1278 local ($ret);
1280 die "automake: programming error 1 in handle_lib_objects\n"
1281 if ! &variable_defined ($var);
1283 die "automake: programming error 2 in handle_lib_objects\n"
1284 if $lex_seen && $var =~ /LIBADD/;
1286 local (@conds) = &variable_conditions ($var);
1287 if (! @conds)
1288 {
1289 $ret = &handle_lib_objects_cond ($xname, $var, $lex_seen, '');
1290 }
1291 else
1292 {
1293 local ($cond);
1294 $ret = 0;
1295 foreach $cond (@conds)
1296 {
1297 if (&handle_lib_objects_cond ($xname, $var, $lex_seen, $cond))
1298 {
1299 $ret = 1;
1300 }
1301 }
1302 }
1304 return $ret;
1305 }
1307 # Subroutine of handle_lib_objects: handle a particular condition.
1308 sub handle_lib_objects_cond
1309 {
1310 local ($xname, $var, $lex_seen, $cond) = @_;
1312 # We recognize certain things that are commonly put in LIBADD or
1313 # LDADD.
1314 local ($lsearch);
1315 local (@dep_list) = ();
1317 # If no lex source seen, just assume this is ok.
1318 local ($lex_ok) = $lex_seen ? 0 : 1;
1320 local ($seen_libobjs) = 0;
1321 local ($flagvar) = 0;
1323 foreach $lsearch (&variable_value_as_list ($var, $cond))
1324 {
1325 # Skip -lfoo and -Ldir; these are explicitly allowed.
1326 next if $lsearch =~ /^-[lL]/;
1327 if (! $flagvar && $lsearch =~ /^-/)
1328 {
1329 if ($var =~ /^(.*)LDADD$/)
1330 {
1331 &am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
1332 }
1333 else
1334 {
1335 # Only get this error once.
1336 $flagvar = 1;
1337 &am_line_error ($var, "you cannot use linker flags such as \`$lsearch' in \`$var'");
1338 }
1339 }
1341 # Assume we have a file of some sort, and push it onto the
1342 # dependency list. Autoconf substitutions are not pushed;
1343 # rarely is a new dependency substituted into (eg) foo_LDADD
1344 # -- but "bad things (eg -lX11) are routinely substituted.
1345 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
1346 # and handled specially below.
1347 push (@dep_list, $lsearch)
1348 unless $lsearch =~ /^\@.*\@$/;
1350 # Automatically handle @LIBOBJS@ and @ALLOCA@. Basically this
1351 # means adding entries to dep_files.
1352 if ($lsearch =~ /^\@(LT)?LIBOBJS\@$/)
1353 {
1354 push (@dep_list, $lsearch);
1355 $seen_libobjs = 1;
1356 if (! keys %libsources)
1357 {
1358 &am_line_error ($var, "\@$1" . "LIBOBJS\@ seen but never set in \`configure.in'");
1359 }
1361 local ($iter, $rewrite);
1362 foreach $iter (keys %libsources)
1363 {
1364 if ($iter =~ /\.[cly]$/)
1365 {
1366 $seen_c_source = $var;
1367 }
1369 if ($iter =~ /\.h$/)
1370 {
1371 &require_file_with_line ($var, $FOREIGN, $iter);
1372 }
1373 elsif ($iter ne 'alloca.c')
1374 {
1375 ($rewrite = $iter) =~ s/\.c$/.P/;
1376 $dep_files{'.deps/' . $rewrite} = 1;
1377 &require_file_with_line ($var, $FOREIGN, $iter);
1378 }
1379 }
1380 }
1381 elsif ($lsearch =~ /^\@(LT)?ALLOCA\@$/)
1382 {
1383 push (@dep_list, $lsearch);
1384 &am_line_error ($var,
1385 "\@$1" . "ALLOCA\@ seen but \`AC_FUNC_ALLOCA' not in \`configure.in'")
1386 if ! defined $libsources{'alloca.c'};
1387 $dep_files{'.deps/alloca.P'} = 1;
1388 &require_file_with_line ($var, $FOREIGN, 'alloca.c');
1389 $seen_c_source = $var;
1390 }
1391 elsif ($lsearch eq '@LEXLIB@')
1392 {
1393 # FIXME: variable_value_as_list requires us to force
1394 # @LEXLIB@ here, where we'd really prefer $(LEXLIB).
1395 # Nasty -- this will have to wait until many cleanups are
1396 # made, I think.
1397 $lex_ok = 1;
1398 }
1399 }
1401 if (! $lex_ok)
1402 {
1403 &am_line_error ($var, 'lex source file used without @LEXLIB@');
1404 }
1406 if ($xname ne '' && ! &variable_defined ($xname . '_DEPENDENCIES', $cond))
1407 {
1408 &define_pretty_variable ($xname . '_DEPENDENCIES', $cond, @dep_list);
1409 }
1411 return $seen_libobjs;
1412 }
1414 # Canonicalize a name, and check to make sure the non-canonical name
1415 # is never used. Returns canonical name. Arguments are name and a
1416 # list of suffixes to check for.
1417 sub check_canonical_spelling
1418 {
1419 local ($name, @suffixes) = @_;
1420 local ($xname, $xt);
1422 ($xname = $name) =~ tr/A-Za-z0-9_/_/c;
1423 if ($xname ne $name)
1424 {
1425 local ($xt);
1426 foreach $xt (@suffixes)
1427 {
1428 &am_line_error ($name . $xt,
1429 "invalid variable \`" . $name . $xt
1430 . "'; should be \`" . $xname . $xt . "'")
1431 if &variable_defined ($name . $xt);
1432 }
1433 }
1435 return $xname;
1436 }
1438 # Handle C programs.
1439 sub handle_programs
1440 {
1441 local (@proglist) = &am_install_var ('-clean',
1442 'progs', 'PROGRAMS',
1443 'bin', 'sbin', 'libexec', 'pkglib',
1444 'noinst', 'check');
1445 return if ! @proglist;
1447 # If a program is installed, this is required. We only want this
1448 # error to appear once.
1449 &am_conf_error ("AC_ARG_PROGRAM must be used in configure.in")
1450 unless $seen_arg_prog;
1451 $seen_arg_prog = 1;
1453 local ($one_file, $xname, $munge);
1455 local ($seen_libobjs) = 0;
1456 foreach $one_file (@proglist)
1457 {
1458 local ($obj) = &get_object_extension ($one_file);
1460 # Canonicalize names and check for misspellings.
1461 $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
1462 '_SOURCES', '_OBJECTS',
1463 '_DEPENDENCIES');
1465 # FIXME: Using a trick to figure out if any lex sources appear
1466 # in our program; should use some cleaner method.
1467 local ($lex_num) = scalar (keys %lex_sources);
1468 local ($linker) = &handle_source_transform ($xname, $one_file, $obj);
1469 local ($lex_file_seen) = (scalar (keys %lex_sources) > $lex_num);
1471 local ($xt) = '';
1472 if (&variable_defined ($xname . "_LDADD"))
1473 {
1474 if (&handle_lib_objects ($xname, $xname . '_LDADD',
1475 $lex_file_seen))
1476 {
1477 $seen_libobjs = 1;
1478 }
1479 $lex_file_seen = 0;
1480 $xt = '_LDADD';
1481 }
1482 else
1483 {
1484 # User didn't define prog_LDADD override. So do it.
1485 &define_variable ($xname . '_LDADD', '$(LDADD)');
1487 # This does a bit too much work. But we need it to
1488 # generate _DEPENDENCIES when appropriate.
1489 if (&variable_defined ('LDADD'))
1490 {
1491 if (&handle_lib_objects ($xname, 'LDADD', $lex_file_seen))
1492 {
1493 $seen_libobjs = 1;
1494 }
1495 $lex_file_seen = 0;
1496 }
1497 $xt = '_SOURCES'
1498 }
1500 if (&variable_defined ($xname . '_LIBADD'))
1501 {
1502 &am_line_error ($xname . '_LIBADD',
1503 "use \`" . $xname . "_LDADD', not \`"
1504 . $xname . "_LIBADD'");
1505 }
1507 if (! &variable_defined ($xname . '_LDFLAGS'))
1508 {
1509 # Define the prog_LDFLAGS variable.
1510 &define_variable ($xname . '_LDFLAGS', '');
1511 }
1513 if ($lex_file_seen)
1514 {
1515 &am_line_error ($xname . $xt,
1516 'lex source file used without @LEXLIB@');
1517 }
1519 # Determine program to use for link.
1520 local ($xlink);
1521 if (&variable_defined ($xname . '_LINK'))
1522 {
1523 $xlink = $xname . '_LINK';
1524 }
1525 else
1526 {
1527 $xlink = $linker ? $linker : 'LINK';
1528 }
1530 local ($cygxform);
1531 if (! $seen_cygwin32)
1532 {
1533 $cygxform = 's/^CYGWIN.*$//; s/^NOTCYGWIN//;';
1534 }
1535 else
1536 {
1537 $cygxform = 's/^NOTCYGWIN.*$//; s/^CYGWIN//;';
1538 }
1540 $output_rules .=
1541 &file_contents_with_transform
1542 ('s/\@PROGRAM\@/' . $one_file . '/go;'
1543 . 's/\@XPROGRAM\@/' . $xname . '/go;'
1544 . 's/\@XLINK\@/' . $xlink . '/go;'
1545 . $cygxform,
1546 'program');
1547 }
1549 if (&variable_defined ('LDADD') && &handle_lib_objects ('', 'LDADD', 0))
1550 {
1551 $seen_libobjs = 1;
1552 }
1554 if ($seen_libobjs)
1555 {
1556 foreach $one_file (@proglist)
1557 {
1558 # Canonicalize names.
1559 ($xname = $one_file) =~ tr/A-Za-z0-9_/_/c;
1561 if (&variable_defined ($xname . '_LDADD'))
1562 {
1563 &check_libobjs_sources ($xname, $xname . '_LDADD');
1564 }
1565 elsif (&variable_defined ('LDADD'))
1566 {
1567 &check_libobjs_sources ($xname, 'LDADD');
1568 }
1569 }
1570 }
1571 }
1574 # Handle libraries.
1575 sub handle_libraries
1576 {
1577 local (@liblist) = &am_install_var ('-clean',
1578 'libs', 'LIBRARIES',
1579 'lib', 'pkglib', 'noinst', 'check');
1580 return if ! @liblist;
1582 local (%valid) = &am_primary_prefixes ('LIBRARIES', 'lib', 'pkglib',
1583 'noinst', 'check');
1584 if (! defined $configure_vars{'RANLIB'})
1585 {
1586 local ($key);
1587 foreach $key (keys %valid)
1588 {
1589 if (&variable_defined ($key . '_LIBRARIES'))
1590 {
1591 &am_line_error ($key . '_LIBRARIES', "library used but \`RANLIB' not defined in \`configure.in'");
1592 # Only get this error once.
1593 $configure_vars{'RANLIB'} = 1;
1594 last;
1595 }
1596 }
1597 }
1599 local ($onelib);
1600 local ($munge);
1601 local ($xlib);
1602 local ($seen_libobjs) = 0;
1603 foreach $onelib (@liblist)
1604 {
1605 # Check that the library fits the standard naming convention.
1606 if ($onelib !~ /^lib.*\.a$/)
1607 {
1608 # FIXME this should only be a warning for foreign packages
1609 # FIXME should put line number here. That means mapping
1610 # from library name back to variable name.
1611 &am_error ("\`$onelib' is not a standard library name");
1612 }
1614 local ($obj) = &get_object_extension ($onelib);
1616 # Canonicalize names and check for misspellings.
1617 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
1618 '_OBJECTS', '_DEPENDENCIES');
1620 if (&variable_defined ($xlib . '_LIBADD'))
1621 {
1622 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
1623 {
1624 $seen_libobjs = 1;
1625 }
1626 }
1627 else
1628 {
1629 # Generate support for conditional object inclusion in
1630 # libraries.
1631 &define_variable ($xlib . "_LIBADD", '');
1632 }
1634 if (&variable_defined ($xlib . '_LDADD'))
1635 {
1636 &am_line_error ($xlib . '_LDADD',
1637 "use \`" . $xlib . "_LIBADD', not \`"
1638 . $xlib . "_LDADD'");
1639 }
1641 &handle_source_transform ($xlib, $onelib, $obj);
1643 $output_rules .=
1644 &file_contents_with_transform ('s/\@LIBRARY\@/' . $onelib . '/go;'
1645 . 's/\@XLIBRARY\@/'
1646 . $xlib . '/go;',
1647 'library');
1648 }
1650 if ($seen_libobjs)
1651 {
1652 foreach $onelib (@liblist)
1653 {
1654 # Canonicalize names.
1655 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
1656 if (&variable_defined ($xlib . '_LIBADD'))
1657 {
1658 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
1659 }
1660 }
1661 }
1663 &define_variable ('AR', 'ar');
1664 &define_configure_variable ('RANLIB');
1665 }
1667 # Handle shared libraries.
1668 sub handle_ltlibraries
1669 {
1670 local (@liblist) = &am_install_var ('-clean',
1671 'ltlib', 'LTLIBRARIES',
1672 'lib', 'pkglib');
1673 return if ! @liblist;
1675 local (%instdirs);
1676 local (%valid) = &am_primary_prefixes ('LTLIBRARIES', 'lib', 'pkglib');
1678 local ($key);
1679 foreach $key (keys %valid)
1680 {
1681 if (&variable_defined ($key . '_LTLIBRARIES'))
1682 {
1683 if (!$seen_libtool)
1684 {
1685 &am_line_error ($key . '_LTLIBRARIES', "library used but \`LIBTOOL' not defined in \`configure.in'");
1686 # Only get this error once.
1687 $configure_vars{'LIBTOOL'} = 1;
1688 $seen_libtool = 1;
1689 }
1691 # Get the installation directory of each library.
1692 for (&variable_value_as_list ($key . '_LTLIBRARIES', 'all'))
1693 {
1694 if ($instdirs{$_})
1695 {
1696 &am_error ("\`$_' is already going to be installed in \`$instdirs{$_}'");
1697 }
1698 else
1699 {
1700 $instdirs{$_} = $key;
1701 }
1702 }
1703 }
1704 }
1706 local ($onelib);
1707 local ($munge);
1708 local ($xlib);
1709 local ($seen_libobjs) = 0;
1710 foreach $onelib (@liblist)
1711 {
1712 # Check that the library fits the standard naming convention.
1713 if ($onelib !~ /^lib.*\.la$/)
1714 {
1715 # FIXME this should only be a warning for foreign packages
1716 # FIXME should put line number here. That means mapping
1717 # from library name back to variable name.
1718 &am_error ("\`$onelib' is not a standard libtool library name");
1719 }
1721 local ($obj) = &get_object_extension ($onelib);
1723 # Canonicalize names and check for misspellings.
1724 $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
1725 '_SOURCES', '_OBJECTS',
1726 '_DEPENDENCIES');
1728 if (! &variable_defined ($xlib . '_LDFLAGS'))
1729 {
1730 # Define the lib_LDFLAGS variable.
1731 &define_variable ($xlib . '_LDFLAGS', '');
1732 }
1734 if (&variable_defined ($xlib . '_LIBADD'))
1735 {
1736 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
1737 {
1738 $seen_libobjs = 1;
1739 }
1740 }
1741 else
1742 {
1743 # Generate support for conditional object inclusion in
1744 # libraries.
1745 &define_variable ($xlib . "_LIBADD", '');
1746 }
1748 if (&variable_defined ($xlib . '_LDADD'))
1749 {
1750 &am_line_error ($xlib . '_LDADD',
1751 "use \`" . $xlib . "_LIBADD', not \`"
1752 . $xlib . "_LDADD'");
1753 }
1755 local ($linker) = &handle_source_transform ($xlib, $onelib, $obj);
1757 # Determine program to use for link.
1758 local ($xlink);
1759 if (&variable_defined ($xlib . '_LINK'))
1760 {
1761 $xlink = $xlib . '_LINK';
1762 }
1763 else
1764 {
1765 $xlink = $linker ? $linker : 'LINK';
1766 }
1768 local ($rpath);
1769 if ($instdirs{$onelib} eq 'EXTRA')
1770 {
1771 # It's an EXTRA_ library, so we can't specify -rpath.
1772 # Yuck.
1773 $rpath = 's/\@RPATH\@//go;';
1774 }
1775 else
1776 {
1777 $rpath = ('s/\@RPATH\@/-rpath \$(' . $instdirs{$onelib}
1778 . 'dir)/go;');
1779 }
1781 $output_rules .=
1782 &file_contents_with_transform ('s/\@LTLIBRARY\@/'
1783 . $onelib . '/go;'
1784 . 's/\@XLTLIBRARY\@/'
1785 . $xlib . '/go;'
1786 . $rpath
1787 . 's/\@XLINK\@/' . $xlink . '/go;',
1788 'ltlibrary');
1789 }
1791 if ($seen_libobjs)
1792 {
1793 foreach $onelib (@liblist)
1794 {
1795 # Canonicalize names.
1796 ($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
1797 if (&variable_defined ($xlib . '_LIBADD'))
1798 {
1799 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
1800 }
1801 }
1802 }
1803 }
1805 # See if any _SOURCES variable were misspelled. Also, make sure that
1806 # EXTRA_ variables don't contain configure substitutions.
1807 sub check_typos
1808 {
1809 local ($varname, $primary);
1810 foreach $varname (keys %contents)
1811 {
1812 foreach $primary ('_SOURCES', '_LIBADD', '_LDADD', '_LDFLAGS', '_DEPENDENCIES')
1813 {
1814 if ($varname =~ /$primary$/ && ! $content_seen{$varname})
1815 {
1816 &am_line_error ($varname,
1817 "invalid unused variable name: \`$varname'");
1818 }
1819 }
1820 }
1821 }
1823 # Handle scripts.
1824 sub handle_scripts
1825 {
1826 # NOTE we no longer automatically clean SCRIPTS, because it is
1827 # useful to sometimes distribute scripts verbatim. This happens
1828 # eg in Automake itself.
1829 &am_install_var ('scripts', 'SCRIPTS',
1830 'bin', 'sbin', 'libexec', 'pkgdata',
1831 'noinst', 'check');
1833 # Set $scripts_installed if appropriate. Make sure we only find
1834 # scripts which are actually installed -- this is why we can't
1835 # simply use the return value of am_install_var.
1836 local (%valid) = &am_primary_prefixes ('SCRIPTS', 'bin', 'sbin',
1837 'libexec', 'pkgdata',
1838 'noinst', 'check');
1839 local ($key);
1840 foreach $key (keys %valid)
1841 {
1842 if ($key ne 'noinst'
1843 && $key ne 'check'
1844 && &variable_defined ($key . '_SCRIPTS'))
1845 {
1846 $scripts_installed = 1;
1847 # push (@check_tests, 'check-' . $key . 'SCRIPTS');
1848 }
1849 }
1851 if ($scripts_installed)
1852 {
1853 # If a program is installed, this is required. We only want this
1854 # error to appear once.
1855 &am_conf_error ("AC_ARG_PROGRAM must be used in configure.in")
1856 unless $seen_arg_prog;
1857 $seen_arg_prog = 1;
1858 }
1859 }
1861 # Search a file for a "version.texi" Texinfo include. Return the name
1862 # of the include file if found, or the empty string if not. A
1863 # "version.texi" file is actually any file whose name matches
1864 # "vers*.texi".
1865 sub scan_texinfo_file
1866 {
1867 local ($filename) = @_;
1869 if (! open (TEXI, $filename))
1870 {
1871 &am_error ("couldn't open \`$filename': $!");
1872 return '';
1873 }
1874 print "automake: reading $filename\n" if $verbose;
1876 local ($vfile, $outfile);
1877 while (<TEXI>)
1878 {
1879 if (/^\@setfilename +(\S+)/)
1880 {
1881 $outfile = $1;
1882 last if ($vfile);
1883 }
1885 if (/^\@include\s+(vers[^.]*\.texi)\s*$/)
1886 {
1887 # Found version.texi include.
1888 $vfile = $1;
1889 last if $outfile;
1890 }
1891 }
1893 close (TEXI);
1894 return ($outfile, $vfile);
1895 }
1897 # Handle all Texinfo source.
1898 sub handle_texinfo
1899 {
1900 &am_line_error ('TEXINFOS',
1901 "\`TEXINFOS' is an anachronism; use \`info_TEXINFOS'")
1902 if &variable_defined ('TEXINFOS');
1903 return if (! &variable_defined ('info_TEXINFOS')
1904 && ! &variable_defined ('html_TEXINFOS'));
1906 local (@texis) = &variable_value_as_list ('info_TEXINFOS', 'all');
1908 local (@info_deps_list, @dvis_list, @texi_deps);
1909 local ($infobase, $info_cursor);
1910 local (%versions);
1911 local ($done) = 0;
1912 local ($vti);
1913 local ($tc_cursor, @texi_cleans);
1914 local ($canonical);
1916 foreach $info_cursor (@texis)
1917 {
1918 ($infobase = $info_cursor) =~ s/\.texi(nfo)?$//;
1920 # If 'version.texi' is referenced by input file, then include
1921 # automatic versioning capability.
1922 local ($out_file, $vtexi) = &scan_texinfo_file ($relative_dir
1923 . "/" . $info_cursor);
1925 if ($out_file eq '')
1926 {
1927 &am_error ("\`$info_cursor' missing \@setfilename");
1928 next;
1929 }
1931 if ($out_file =~ /\.(.+)$/ && $1 ne 'info')
1932 {
1933 # FIXME should report line number in input file.
1934 &am_error ("output of \`$info_cursor', \`$out_file', has unrecognized extension");
1935 next;
1936 }
1938 if ($vtexi)
1939 {
1940 &am_error ("\`$vtexi', included in \`$info_cursor', also included in \`$versions{$vtexi}'")
1941 if (defined $versions{$vtexi});
1942 $versions{$vtexi} = $info_cursor;
1944 # We number the stamp-vti files. This is doable since the
1945 # actual names don't matter much. We only number starting
1946 # with the second one, so that the common case looks nice.
1947 $vti = 'vti' . ($done ? $done : '');
1948 &push_dist_common ($vtexi, 'stamp-' . $vti);
1949 push (@clean, $vti);
1951 # Only require once.
1952 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
1953 'mdate-sh')
1954 if ! $done;
1955 ++$done;
1957 local ($conf_pat);
1958 ($conf_pat = $config_aux_dir) =~ s/(\W)/\\$1/g;
1959 $output_rules .=
1960 &file_contents_with_transform
1961 ('s/\@TEXI\@/' . $info_cursor . '/g; '
1962 . 's/\@VTI\@/' . $vti . '/g; '
1963 . 's/\@VTEXI\@/' . $vtexi . '/g;'
1964 . 's,\@MDDIR\@,' . $conf_pat . ',g;',
1965 'texi-vers');
1967 &push_phony_cleaners ($vti);
1968 }
1970 # If user specified file_TEXINFOS, then use that as explicit
1971 # dependency list.
1972 @texi_deps = ();
1973 push (@texi_deps, $info_cursor);
1974 push (@texi_deps, $vtexi) if $vtexi;
1976 # Canonicalize name first.
1977 ($canonical = $infobase) =~ tr/A-Za-z0-9_/_/c;
1978 if (&variable_defined ($canonical . "_TEXINFOS"))
1979 {
1980 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
1981 &push_dist_common ('$(' . $canonical . '_TEXINFOS)');
1982 }
1984 $output_rules .= ("\n" . $out_file . ": "
1985 . join (' ', @texi_deps)
1986 . "\n" . $infobase . ".dvi: "
1987 . join (' ', @texi_deps)
1988 . "\n\n");
1990 push (@info_deps_list, $out_file);
1991 push (@dvis_list, $infobase . '.dvi');
1993 # Generate list of things to clean for this target. We do
1994 # this explicitly because otherwise too many things could be
1995 # removed. In particular the ".log" extension might
1996 # reasonably be used in other contexts by the user.
1997 foreach $tc_cursor ('aux', 'cp', 'cps', 'dvi', 'fn', 'fns',
1998 'ky', 'log', 'pg', 'toc', 'tp', 'tps',
1999 'vr', 'vrs', 'op', 'tr', 'cv')
2000 {
2001 push (@texi_cleans, $infobase . '.' . $tc_cursor);
2002 }
2003 }
2005 # Find these programs wherever they may lie. Yes, this has
2006 # intimate knowledge of the structure of the texinfo distribution.
2007 &define_program_variable ('MAKEINFO', 'build', 'texinfo/makeinfo',
2008 'makeinfo',
2009 # Circumlocution to avoid accidental
2010 # configure substitution.
2011 '@MAKE' . 'INFO@');
2012 &define_program_variable ('TEXI2DVI', 'src', 'texinfo/util',
2013 'texi2dvi');
2015 # Set transform for including texinfos.am. First, handle --cygnus
2016 # stuff.
2017 local ($xform);
2018 if ($cygnus_mode)
2019 {
2020 $xform = 's/^NOTCYGNUS.*$//; s/^CYGNUS//;';
2021 }
2022 else
2023 {
2024 $xform = 's/^CYGNUS.*$//; s/^NOTCYGNUS//;';
2025 }
2027 # Handle location of texinfo.tex.
2028 if ($cygnus_mode)
2029 {
2030 &define_variable ('TEXINFO_TEX',
2031 '$(top_srcdir)/../texinfo/texinfo.tex');
2032 }
2033 elsif ($config_aux_dir ne '.' && $config_aux_dir ne '')
2034 {
2035 &define_variable ('TEXINFO_TEX', $config_aux_dir . '/texinfo.tex');
2036 }
2037 elsif (! &variable_defined ('TEXINFO_TEX'))
2038 {
2039 &define_variable ('TEXINFO_TEX', '$(srcdir)/texinfo.tex');
2040 }
2041 local ($xxform) = &dirname (&variable_value ('TEXINFO_TEX'));
2042 $xxform =~ s/(\W)/\\$1/g;
2043 $xform .= ' s/\@TEXINFODIR\@/' . $xxform . '/g;';
2045 $output_rules .= &file_contents_with_transform ($xform, 'texinfos');
2046 push (@phony, 'install-info-am', 'uninstall-info');
2047 push (@dist_targets, 'dist-info');
2049 # How to clean. The funny name is due to --cygnus influence; in
2050 # Cygnus mode, `clean-info' is a target that users can use.
2051 $output_rules .= "\nmostlyclean-aminfo:\n";
2052 &pretty_print_rule ("\trm -f", "\t ", @texi_cleans);
2053 $output_rules .= ("\nclean-aminfo:\n\ndistclean-aminfo:\n\n"
2054 . "maintainer-clean-aminfo:\n\t"
2055 . 'for i in $(INFO_DEPS); do rm -f `eval echo $$i*`; done'
2056 . "\n");
2057 &push_phony_cleaners ('aminfo');
2058 if ($cygnus_mode)
2059 {
2060 $output_rules .= "clean-info: mostlyclean-aminfo\n";
2061 }
2063 push (@suffixes, '.texi', '.texinfo', '.info', '.dvi', '.ps');
2065 if (! defined $options{'no-installinfo'})
2066 {
2067 push (@uninstall, 'uninstall-info');
2068 push (@installdirs, '$(infodir)');
2069 unshift (@install_data, 'install-info-am');
2071 # Make sure documentation is made and installed first. Use
2072 # $(INFO_DEPS), not 'info', because otherwise recursive makes
2073 # get run twice during "make all".
2074 unshift (@all, '$(INFO_DEPS)');
2075 }
2076 push (@clean, 'aminfo');
2077 push (@info, '$(INFO_DEPS)');
2078 push (@dvi, '$(DVIS)');
2080 &define_variable ("INFO_DEPS", join (' ', @info_deps_list));
2081 &define_variable ("DVIS", join (' ', @dvis_list));
2082 # This next isn't strictly needed now -- the places that look here
2083 # could easily be changed to look in info_TEXINFOS. But this is
2084 # probably better, in case noinst_TEXINFOS is ever supported.
2085 &define_variable ("TEXINFOS", &variable_value ('info_TEXINFOS'));
2087 # Do some error checking. Note that this file is not required
2088 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
2089 # up above.
2090 &require_file_with_line ('info_TEXINFOS', $FOREIGN, 'texinfo.tex')
2091 unless (defined $options{'no-texinfo.tex'}
2092 || &variable_defined ('TEXINFO_TEX'));
2093 }
2095 # Handle any man pages.
2096 sub handle_man_pages
2097 {
2098 &am_line_error ('MANS', "\`MANS' is an anachronism; use \`man_MANS'")
2099 if &variable_defined ('MANS');
2100 return if ! &variable_defined ('man_MANS');
2102 # We generate the manpage install code by hand to avoid the use of
2103 # basename in the generated Makefile.
2104 local (@mans) = &variable_value_as_list ('man_MANS', 'all');
2105 local (%sections, %inames, %mbases, %secmap, %fullsecmap);
2106 local ($i) = 1;
2107 foreach (@mans)
2108 {
2109 # FIXME: statement without effect:
2110 /^(.*)\.([0-9])([a-z]*)$/;
2111 $sections{$2} = 1;
2112 $inames{$i} = $_;
2113 $mbases{$i} = $1;
2114 $secmap{$i} = $2;
2115 $fullsecmap{$i} = $2 . $3;
2116 $i++;
2117 }
2119 # We don't really need this, but we use it in case we ever want to
2120 # support noinst_MANS.
2121 &define_variable ("MANS", &variable_value ('man_MANS'));
2123 # Generate list of install dirs.
2124 $output_rules .= "install-man: \$(MANS)\n";
2125 $output_rules .= "\t\$(NORMAL_INSTALL)\n";
2126 # Sort keys so that output is deterministic.
2127 foreach (sort keys %sections)
2128 {
2129 push (@installdirs, '$(mandir)/man' . $_)
2130 unless defined $options{'no-installman'};
2131 $output_rules .= ("\t" . '$(mkinstalldirs) $(mandir)/man'
2132 . $_ . "\n");
2133 }
2134 push (@phony, 'install-man');
2136 # Generate install target.
2137 local ($key);
2138 foreach $key (sort keys %inames)
2139 {
2140 $_ = $install_man_format;
2141 s/\@SECTION\@/$secmap{$key}/g;
2142 s/\@MAN\@/$inames{$key}/g;
2143 s/\@FULLSECT\@/$fullsecmap{$key}/g;
2144 s/\@MANBASE\@/$mbases{$key}/g;
2145 $output_rules .= $_;
2146 }
2147 $output_rules .= "\n";
2149 $output_rules .= "uninstall-man:\n\t\$(NORMAL_UNINSTALL)\n";
2150 foreach $key (sort keys %inames)
2151 {
2152 $_ = $uninstall_man_format;
2153 s/\@SECTION\@/$secmap{$key}/g;
2154 s/\@MAN\@/$inames{$key}/g;
2155 s/\@FULLSECT\@/$fullsecmap{$key}/g;
2156 s/\@MANBASE\@/$mbases{$key}/g;
2157 $output_rules .= $_;
2158 }
2159 $output_rules .= "\n";
2160 push (@phony, 'uninstall-man');
2162 $output_vars .= &file_contents ('mans-vars');
2164 if (! defined $options{'no-installman'})
2165 {
2166 push (@install_data, 'install-man');
2167 push (@uninstall, 'uninstall-man');
2168 push (@all, '$(MANS)');
2169 }
2170 }
2172 # Handle DATA variables.
2173 sub handle_data
2174 {
2175 &am_install_var ('data', 'DATA', 'data', 'sysconf',
2176 'sharedstate', 'localstate', 'pkgdata',
2177 'noinst', 'check');
2178 }
2180 # Handle TAGS.
2181 sub handle_tags
2182 {
2183 push (@phony, 'tags');
2184 local (@tag_deps) = ();
2185 if (&variable_defined ('SUBDIRS'))
2186 {
2187 $output_rules .= ("tags-recursive:\n"
2188 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
2189 # Never fail here if a subdir fails; it
2190 # isn't important.
2191 . "\t (cd \$\$subdir && \$(MAKE) tags); \\\n"
2192 . "\tdone\n");
2193 push (@tag_deps, 'tags-recursive');
2194 push (@phony, 'tags-recursive');
2195 }
2197 if ($dir_holds_sources
2198 || $dir_holds_headers
2199 || &variable_defined ('ETAGS_ARGS')
2200 || @tag_deps)
2201 {
2202 local ($xform) = '';
2203 local ($one_hdr);
2204 foreach $one_hdr (@config_headers)
2205 {
2206 if ($relative_dir eq &dirname ($one_hdr))
2207 {
2208 # The config header is in this directory. So require it.
2209 local ($var);
2210 ($var = &basename ($one_hdr)) =~ s/(\W)/\\$1/g;
2211 $xform .= ' ' if $xform;
2212 $xform .= $var;
2213 }
2214 }
2215 $xform = ('s/\@CONFIG\@/' . $xform . '/;'
2216 . 's/\@DIRS\@/' . join (' ', @tag_deps) . '/;');
2218 if (&variable_defined ('SUBDIRS'))
2219 {
2220 $xform .= 's/^SUBDIRS//;';
2221 }
2222 else
2223 {
2224 $xform .= 's/^SUBDIRS.*$//;';
2225 }
2227 $output_rules .= &file_contents_with_transform ($xform, 'tags');
2228 $output_rules .= &file_contents ('tags-clean');
2229 push (@clean, 'tags');
2230 &push_phony_cleaners ('tags');
2231 &examine_variable ('TAGS_DEPENDENCIES');
2232 }
2233 elsif (&variable_defined ('TAGS_DEPENDENCIES'))
2234 {
2235 &am_line_error ('TAGS_DEPENDENCIES',
2236 "doesn't make sense to define \`TAGS_DEPENDENCIES' without sources or \`ETAGS_ARGS'");
2237 }
2238 else
2239 {
2240 # Every Makefile must define some sort of TAGS rule.
2241 # Otherwise, it would be possible for a top-level "make TAGS"
2242 # to fail because some subdirectory failed.
2243 $output_rules .= "tags: TAGS\nTAGS:\n\n";
2244 }
2245 }
2247 # Worker for handle_dist.
2248 sub handle_dist_worker
2249 {
2250 local ($makefile) = @_;
2252 $output_rules .= 'distdir: $(DISTFILES)' . "\n";
2254 # Initialization; only at top level.
2255 if ($relative_dir eq '.')
2256 {
2257 if ($strictness >= $GNITS)
2258 {
2259 # For Gnits users, this is pretty handy. Look at 15 lines
2260 # in case some explanatory text is desirable.
2261 $output_rules .= ' @if sed 15q $(srcdir)/NEWS | fgrep -e "$(VERSION)" > /dev/null; then :; else \\
2262 echo "NEWS not updated; not releasing" 1>&2; \\
2263 exit 1; \\
2264 fi
2265 ';
2266 }
2269 # Create dist directory.
2270 $output_rules .= ("\trm -rf \$(distdir)\n"
2271 . "\tmkdir \$(distdir)\n"
2272 . "\t-chmod 777 \$(distdir)\n");
2273 }
2275 # Only run automake in `dist' target if --include-deps and
2276 # `no-dependencies' not specified. That way the recipient of a
2277 # distribution can run "make dist" and not need Automake. You
2278 # might be wondering why we run automake once for each directory
2279 # we distribute, instead of running it once at the top level. The
2280 # answer is that we want to run automake after the dependencies
2281 # have been generated. This occurs when "make" is run in the
2282 # subdir. So automake must be run after make has updated the
2283 # Makefile, which means that it must run once per directory.
2284 if ($use_dependencies)
2285 {
2286 $output_rules .=
2287 (
2288 # We need an absolute path for --output-dir. Thus the
2289 # weirdness.
2290 "\t" . 'here=`cd $(top_builddir) && pwd`; ' . "\\\n"
2291 . "\t" . 'top_distdir=`cd $(top_distdir) && pwd`; ' . "\\\n"
2292 . "\tcd \$(top_srcdir) \\\n"
2293 . "\t && \$(AUTOMAKE) --include-deps --build-dir=\$\$here --srcdir-name=\$(top_srcdir) --output-dir=\$\$top_distdir "
2294 # Set strictness of output.
2295 . ($cygnus_mode ? '--cygnus' : ('--' . $strictness_name))
2296 . ($cmdline_use_dependencies ? '' : ' --include-deps')
2297 . " " . $makefile . "\n"
2298 );
2299 }
2301 # Scan EXTRA_DIST to see if we need to distribute anything from a
2302 # subdir. If so, add it to the list. I didn't want to do this
2303 # originally, but there were so many requests that I finally
2304 # relented.
2305 local (@dist_dirs);
2306 if (&variable_defined ('EXTRA_DIST'))
2307 {
2308 # FIXME: This should be fixed to work with conditionals. That
2309 # will require only making the entries in @dist_dirs under the
2310 # appropriate condition. This is meaningful if the nature of
2311 # the distribution should depend upon the configure options
2312 # used.
2313 foreach (&variable_value_as_list ('EXTRA_DIST', ''))
2314 {
2315 next if /^\@.*\@$/;
2316 next unless s,/+[^/]+$,,;
2317 push (@dist_dirs, $_)
2318 unless $_ eq '.';
2319 }
2320 }
2321 if (@dist_dirs)
2322 {
2323 # Prepend $(distdir) to each directory given. Doing it via a
2324 # hash lets us ensure that each directory is used only once.
2325 local (%dhash);
2326 grep ($dhash{'$(distdir)/' . $_} = 1, @dist_dirs);
2327 $output_rules .= "\t";
2328 &pretty_print_rule ('$(mkinstalldirs)', "\t ", sort keys %dhash);
2329 }
2331 # In loop, test for file existence because sometimes a file gets
2332 # included in DISTFILES twice. For example this happens when a
2333 # single source file is used in building more than one program.
2334 # Also, there are situations in which "ln" can fail. For instance
2335 # a file to distribute could actually be a cross-filesystem
2336 # symlink -- this can easily happen if "gettextize" was run on the
2337 # distribution.
2338 $output_rules .= "\t\@for file in \$(DISTFILES); do \\\n";
2339 if ($cygnus_mode)
2340 {
2341 $output_rules .= "\t if test -f \$\$file; then d=.; else d=\$(srcdir); fi; \\\n";
2342 }
2343 else
2344 {
2345 $output_rules .= "\t d=\$(srcdir); \\\n";
2346 }
2347 $output_rules .= ' test -f $(distdir)/$$file \\
2348 || ln $$d/$$file $(distdir)/$$file 2> /dev/null \\
2349 || cp -p $$d/$$file $(distdir)/$$file; \\
2350 done
2351 ';
2353 # If we have SUBDIRS, create all dist subdirectories and do
2354 # recursive build.
2355 if (&variable_defined ('SUBDIRS'))
2356 {
2357 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
2358 # to all possible directories, and use it.
2359 if (! &variable_conditions ('SUBDIRS'))
2360 {
2361 $dist_subdir_name = 'SUBDIRS';
2362 }
2363 else
2364 {
2365 $dist_subdir_name = 'DIST_SUBDIRS';
2366 if (! &variable_defined ('DIST_SUBDIRS'))
2367 {
2368 &define_pretty_variable ('DIST_SUBDIRS', '',
2369 &variable_value_as_list ('SUBDIRS',
2370 'all'));
2371 }
2372 }
2374 # Test for directory existence here because previous automake
2375 # invocation might have created some directories. Note that
2376 # we explicitly set distdir for the subdir make; that lets us
2377 # mix-n-match many automake-using packages into one large
2378 # package, and have "dist" at the top level do the right
2379 # thing.
2380 $output_rules .= ' for subdir in $(' . $dist_subdir_name . '); do \\
2381 test -d $(distdir)/$$subdir \\
2382 || mkdir $(distdir)/$$subdir \\
2383 || exit 1; \\
2384 chmod 777 $(distdir)/$$subdir; \\
2385 (cd $$subdir && $(MAKE) top_distdir=../$(top_distdir) distdir=../$(distdir)/$$subdir distdir) \\
2386 || exit 1; \\
2387 done
2388 ';
2389 }
2391 # If the target `dist-hook' exists, make sure it is run. This
2392 # allows users to do random weird things to the distribution
2393 # before it is packaged up.
2394 push (@dist_targets, 'dist-hook') if defined $contents{'dist-hook'};
2396 local ($targ);
2397 foreach $targ (@dist_targets)
2398 {
2399 # We must explicitly set distdir and top_distdir for these
2400 # sub-makes.
2401 $output_rules .= "\t\$(MAKE) top_distdir=\"\$(top_distdir)\" distdir=\"\$(distdir)\" $targ\n";
2402 }
2404 push (@phony, 'distdir');
2405 }
2407 # Handle 'dist' target.
2408 sub handle_dist
2409 {
2410 local ($makefile) = @_;
2412 # Set up maint_charset.
2413 $local_maint_charset = &variable_value ('MAINT_CHARSET')
2414 if &variable_defined ('MAINT_CHARSET');
2415 $maint_charset = $local_maint_charset
2416 if $relative_dir eq '.';
2418 if (&variable_defined ('DIST_CHARSET'))
2419 {
2420 &am_line_error ('DIST_CHARSET',
2421 "DIST_CHARSET defined but no MAINT_CHARSET defined")
2422 if ! $local_maint_charset;
2423 if ($relative_dir eq '.')
2424 {
2425 $dist_charset = &variable_value ('DIST_CHARSET')
2426 }
2427 else
2428 {
2429 &am_line_error ('DIST_CHARSET',
2430 "DIST_CHARSET can only be defined at top level");
2431 }
2432 }
2434 # Look for common files that should be included in distribution.
2435 local ($cfile);
2436 foreach $cfile (@common_files)
2437 {
2438 if (-f ($relative_dir . "/" . $cfile))
2439 {
2440 &push_dist_common ($cfile);
2441 }
2442 }
2444 # Keys of %dist_common are names of files to distributed. We put
2445 # README first because it then becomes easier to make a
2446 # Usenet-compliant shar file (in these, README must be first).
2447 # FIXME: do more ordering of files here.
2448 local (@coms);
2449 if (defined $dist_common{'README'})
2450 {
2451 push (@coms, 'README');
2452 delete $dist_common{'README'};
2453 }
2454 push (@coms, sort keys %dist_common);
2456 &define_pretty_variable ("DIST_COMMON", '', @coms);
2457 $output_vars .= "\n";
2459 # Some boilerplate.
2460 $output_vars .= &file_contents ('dist-vars') . "\n";
2461 &define_variable ('TAR', $TAR);
2462 &define_variable ('GZIP', '--best');
2464 # Put these things in rules section so it is easier for whoever
2465 # reads Makefile.in.
2466 if (! &variable_defined ('distdir'))
2467 {
2468 if ($relative_dir eq '.')
2469 {
2470 $output_rules .= "\n" . 'distdir = $(PACKAGE)-$(VERSION)' . "\n";
2471 }
2472 else
2473 {
2474 $output_rules .= ("\n"
2475 . 'distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)'
2476 . "\n");
2477 }
2478 }
2479 if ($relative_dir eq '.')
2480 {
2481 $output_rules .= "top_distdir = \$(distdir)\n\n";
2482 }
2483 else
2484 {
2485 $output_rules .= "\nsubdir = " . $relative_dir . "\n\n";
2486 }
2488 # Generate 'dist' target, and maybe dist-shar / dist-zip / dist-tarZ.
2489 if ($relative_dir eq '.')
2490 {
2491 # Rule to check whether a distribution is viable.
2492 $output_rules .= ('# This target untars the dist file and tries a VPATH configuration. Then
2493 # it guarantees that the distribution is self-contained by making another
2494 # tarfile.
2495 distcheck: dist
2496 rm -rf $(distdir)
2497 GZIP=$(GZIP) $(TAR) zxf $(distdir).tar.gz
2498 mkdir $(distdir)/=build
2499 mkdir $(distdir)/=inst
2500 dc_install_base=`cd $(distdir)/=inst && pwd`; \\'
2501 . (defined $contents{'distcheck-hook'}
2502 ? "\t\$(MAKE) distcheck-hook"
2503 : '')
2504 . '
2505 cd $(distdir)/=build \\
2506 && ../configure '
2508 . ($seen_gettext ? '--with-included-gettext ' : '')
2509 . '--srcdir=.. --prefix=$$dc_install_base \\
2510 && $(MAKE) \\
2511 && $(MAKE) dvi \\
2512 && $(MAKE) check \\
2513 && $(MAKE) install \\
2514 && $(MAKE) installcheck \\
2515 && $(MAKE) dist
2516 rm -rf $(distdir)
2517 @echo "========================"; \\
2518 echo "$(distdir).tar.gz is ready for distribution"; \\
2519 echo "========================"
2520 ');
2522 local ($dist_all) = ('dist-all: distdir' . "\n"
2523 . $dist_header);
2524 local ($curs);
2525 foreach $curs ('dist', 'dist-shar', 'dist-zip', 'dist-tarZ')
2526 {
2527 if (defined $options{$curs} || $curs eq 'dist')
2528 {
2529 $output_rules .= ($curs . ': distdir' . "\n"
2530 . $dist_header
2531 . $dist{$curs}
2532 . $dist_trailer);
2533 $dist_all .= $dist{$curs};
2534 }
2535 }
2536 $output_rules .= $dist_all . $dist_trailer;
2537 }
2539 # Generate distdir target.
2540 &handle_dist_worker ($makefile);
2541 }
2543 # Scan a single dependency file and rewrite the dependencies as
2544 # appropriate. Essentially this means:
2545 # * Clean out absolute dependencies which are not desirable.
2546 # * Rewrite other dependencies to be relative to $(top_srcdir).
2547 sub scan_dependency_file
2548 {
2549 local ($depfile) = @_;
2551 if (! open (DEP_FILE, $depfile))
2552 {
2553 &am_error ("couldn't open \`$depfile': $!");
2554 return;
2555 }
2556 print "automake: reading $depfile\n" if $verbose;
2558 # Sometimes it is necessary to omit some dependencies.
2559 local (%omit) = %omit_dependencies;
2560 if (&variable_defined ('OMIT_DEPENDENCIES'))
2561 {
2562 # FIXME: Doesn't work with conditionals. I'm not sure if this
2563 # matters.
2564 grep ($omit{$_} = 1,
2565 &variable_value_as_list ('OMIT_DEPENDENCIES', ''));
2566 }
2568 local ($first_line) = 1;
2569 local ($last_line) = 0;
2570 local ($target, @dependencies);
2571 local ($one_dep, $xform);
2572 local ($just_file);
2574 local ($srcdir_rx, $fixup_rx);
2575 ($fixup_rx = $srcdir_name . '/' . $relative_dir . '/')
2576 =~ s/(\W)/\\$1/g;
2577 ($srcdir_rx = $srcdir_name . '/') =~ s/(\W)/\\$1/g;
2579 local ($rewrite_builddir) = (($top_builddir eq '.')
2580 ? ''
2581 : $top_builddir . '/');
2583 while (<DEP_FILE>)
2584 {
2585 if ($last_line)
2586 {
2587 # If LAST_LINE set then we've already seen what we thought
2588 # was the last line.
2589 goto bad_format;
2590 }
2591 next if (/$WHITE_PATTERN/o);
2592 chop;
2593 if (! s/\\$//)
2594 {
2595 # No trailing "\" means this should be the last line.
2596 $last_line = 1;
2597 }
2599 if ($first_line)
2600 {
2601 if (! /^([^:]+:)(.+)$/)
2602 {
2603 bad_format:
2604 &am_error ("\`$depfile' has incorrect format");
2605 close (DEP_FILE);
2606 return;
2607 }
2609 $_ = $2;
2610 # Make sure to strip the .P file from the target.
2611 ($target = $1) =~ s, *\.deps/[^.]+\.P,,;
2613 $first_line = 0;
2614 }
2616 foreach $one_dep (split (' ', $_))
2617 {
2618 if ($one_dep =~ /^$fixup_rx/)
2619 {
2620 # The dependency points to the current directory in
2621 # some way.
2622 ($xform = $one_dep) =~ s/^$fixup_rx//;
2623 push (@dependencies, $xform);
2624 }
2625 elsif ($one_dep =~ /^$srcdir_rx/)
2626 {
2627 # The dependency is in some other directory in the package.
2628 ($xform = $one_dep) =~ s/^$srcdir_rx/$rewrite_builddir/;
2629 push (@dependencies, $xform);
2630 }
2631 elsif ($one_dep =~ /^\//)
2632 {
2633 # Absolute path; ignore.
2634 }
2635 else
2636 {
2637 # Anything else is assumed to be correct. But first
2638 # make sure it is not on our list of dependencies to
2639 # omit.
2640 ($just_file = $one_dep) =~ s,^.*/,,;
2641 push (@dependencies, $one_dep)
2642 if ! defined $omit{$just_file};
2643 }
2644 }
2645 }
2647 &pretty_print_rule ($target, "\t", @dependencies);
2649 close (DEP_FILE);
2650 }
2652 # Handle auto-dependency code.
2653 sub handle_dependencies
2654 {
2655 if ($use_dependencies)
2656 {
2657 # Include GNU-make-specific auto-dep code. Don't include it
2658 # if DEP_FILES would be empty.
2659 if ($dir_holds_sources && keys %dep_files)
2660 {
2661 &define_pretty_variable ('DEP_FILES', '', sort keys %dep_files);
2662 $output_rules .= &file_contents ('depend');
2663 push (@clean, 'depend');
2664 &push_phony_cleaners ('depend');
2665 $output_rules .=
2666 &file_contents_with_transform ('s/\@EXT\@/.c/g;'
2667 . 's/\@MKDEP\@/MKDEP/g;'
2668 . 's/^ONLYC//g;',
2669 'depend2');
2670 local ($ext);
2671 local ($need_cxx) = 0;
2672 foreach $ext (sort keys %cxx_extensions)
2673 {
2674 $output_rules .=
2675 &file_contents_with_transform ('s/\@EXT\@/' . $ext .'/g;'
2676 . 's/\@MKDEP\@/CXXMKDEP/g;'
2677 . 's/^ONLYC.*$//;',
2678 'depend2');
2679 $need_cxx = 1;
2680 }
2681 if ($need_cxx)
2682 {
2683 &define_variable ('CXXMKDEP', '$(CXX) -M $(DEFS) $(INCLUDES) $(CPPFLAGS) $(CXXFLAGS)');
2684 }
2685 }
2686 }
2687 elsif ($build_directory ne '')
2688 {
2689 # Include any auto-generated deps that are present. Note that
2690 # $build_directory ends in a "/".
2691 if (-d ($build_directory . $relative_dir . "/.deps")
2692 && -f ($build_directory . $relative_dir . "/.deps/.P"))
2693 {
2694 local ($depfile);
2696 foreach $depfile (&my_glob ($build_directory
2697 . $relative_dir . "/.deps/*.P"))
2698 {
2699 &scan_dependency_file ($depfile);
2700 }
2702 $output_rules .= "\n";
2703 }
2704 }
2705 }
2707 # Handle subdirectories.
2708 sub handle_subdirs
2709 {
2710 return if ! &variable_defined ('SUBDIRS');
2712 # Make sure each directory mentioned in SUBDIRS actually exists.
2713 local ($dir);
2714 foreach $dir (&variable_value_as_list ('SUBDIRS', 'all'))
2715 {
2716 # Skip directories substituted by configure.
2717 next if $dir =~ /^\@.*\@$/;
2719 if (! -d $am_relative_dir . '/' . $dir)
2720 {
2721 &am_line_error ('SUBDIRS',
2722 "required directory $am_relative_dir/$dir does not exist");
2723 next;
2724 }
2726 &am_line_error ('SUBDIRS', "directory should not contain \`/'")
2727 if $dir =~ /\//;
2728 }
2730 local ($xform) = ('s/\@INSTALLINFO\@/' .
2731 (defined $options{'no-installinfo'}
2732 ? 'install-info-recursive'
2733 : '')
2734 . '/;');
2735 $output_rules .= &file_contents_with_transform ($xform, 'subdirs');
2737 # Push a bunch of phony targets.
2738 local ($phonies);
2739 foreach $phonies ('-data', '-exec', 'dirs')
2740 {
2741 push (@phony, 'install' . $phonies . '-recursive');
2742 push (@phony, 'uninstall' . $phonies . '-recursive');
2743 }
2744 foreach $phonies ('all', 'check', 'installcheck', 'info', 'dvi')
2745 {
2746 push (@phony, $phonies . '-recursive');
2747 }
2748 &push_phony_cleaners ('recursive');
2750 push (@check_tests, "check-recursive");
2751 push (@installcheck, "installcheck-recursive");
2752 push (@info, "info-recursive");
2753 push (@dvi, "dvi-recursive");
2755 $recursive_install = 1;
2756 }
2758 # Handle aclocal.m4.
2759 sub handle_aclocal_m4
2760 {
2761 local ($regen_aclocal) = 0;
2762 if (-f 'aclocal.m4')
2763 {
2764 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4');
2765 &push_dist_common ('aclocal.m4');
2767 if (open (ACLOCAL, '< aclocal.m4'))
2768 {
2769 local ($line);
2770 $line = <ACLOCAL>;
2771 close (ACLOCAL);
2773 if ($line =~ 'generated automatically by aclocal')
2774 {
2775 $regen_aclocal = 1;
2776 }
2777 }
2778 }
2780 local ($acinclude) = 0;
2781 if (-f 'acinclude.m4')
2782 {
2783 $regen_aclocal = 1;
2784 $acinclude = 1;
2785 }
2787 # Note that it might be possible that aclocal.m4 doesn't exist but
2788 # should be auto-generated. This case probably isn't very
2789 # important.
2790 if ($regen_aclocal)
2791 {
2792 local (@ac_deps) = (
2793 ($seen_maint_mode ? "\@MAINT\@" : "") ,
2794 "configure.in",
2795 ($acinclude ? ' acinclude.m4' : '')
2796 );
2798 # Scan all -I directories for m4 files. These are our
2799 # dependencies.
2800 if (&variable_defined ('ACLOCAL_AMFLAGS'))
2801 {
2802 local ($amdir);
2803 foreach $amdir (&variable_value_as_list ('ACLOCAL_AMFLAGS', ''))
2804 {
2805 if ($amdir =~ s/^-I//
2806 && $amdir !~ /^\//
2807 && -d $amdir)
2808 {
2809 push (@ac_deps, &my_glob ($am_dir . '/*.m4'));
2810 }
2811 }
2812 }
2814 &pretty_print_rule ("\$(ACLOCAL_M4):", "\t\t", @ac_deps);
2816 $output_rules .= ("\t"
2817 . 'cd $(srcdir) && $(ACLOCAL)'
2818 . (&variable_defined ('ACLOCAL_AMFLAGS')
2819 ? ' $(ACLOCAL_AMFLAGS)' : '')
2820 . "\n");
2821 }
2822 }
2824 # Rewrite a list of input files into a form suitable to put on a
2825 # dependency list. The idea is that if an input file has a directory
2826 # part the same as the current directory, then the directory part is
2827 # simply removed. But if the directory part is different, then
2828 # $(top_srcdir) is prepended. Among other things, this is used to
2829 # generate the dependency list for the output files generated by
2830 # AC_OUTPUT. Consider what the dependencies should look like in this
2831 # case:
2832 # AC_OUTPUT(src/out:src/in1:lib/in2)
2833 sub rewrite_inputs_into_dependencies
2834 {
2835 local (@inputs) = @_;
2836 local ($single, @newinputs);
2838 foreach $single (@inputs)
2839 {
2840 if (&dirname ($single) eq $relative_dir)
2841 {
2842 push (@newinputs, &basename ($single));
2843 }
2844 else
2845 {
2846 push (@newinputs, '$(top_srcdir)/' . $single);
2847 }
2848 }
2850 return @newinputs;
2851 }
2853 # Handle remaking and configure stuff.
2854 # We need the name of the input file, to do proper remaking rules.
2855 sub handle_configure
2856 {
2857 local ($local, $input, @secondary_inputs) = @_;
2859 # If SUBDIRS defined, require AC_PROG_MAKE_SET.
2860 &am_line_error ('SUBDIRS', "AC_PROG_MAKE_SET must be used in configure.in")
2861 if &variable_defined ('SUBDIRS') && ! $seen_make_set;
2863 local ($top_reldir);
2865 local ($input_base) = &basename ($input);
2866 local ($local_base) = &basename ($local);
2868 local ($amfile) = $input_base . '.am';
2869 # We know we can always add '.in' because it really should be an
2870 # error if the .in was missing originally.
2871 local ($infile) = '$(srcdir)/' . $input_base . '.in';
2872 local ($colon_infile);
2873 if ($local ne $input)
2874 {
2875 $colon_infile = ':' . $input . '.in';
2876 }
2877 $colon_infile .= ':' . join (':', @secondary_inputs)
2878 if @secondary_inputs;
2880 local (@rewritten) = &rewrite_inputs_into_dependencies (@secondary_inputs);
2881 # This rule remakes the Makefile.in. Note use of @MAINT@ forces
2882 # us to abandon pretty-printing. Sigh.
2883 $output_rules .= ($infile
2884 # NOTE perl 5.003 (with -w) gives a
2885 # uninitialized value error on the next line.
2886 # Don't know why.
2887 . ': '
2888 . ($seen_maint_mode ? '@MAINT@ ' : '')
2889 . $amfile . ' '
2890 . '$(top_srcdir)/configure.in $(ACLOCAL_M4) '
2891 . join (' ', @rewritten) . "\n"
2892 . "\tcd \$(top_srcdir) && \$(AUTOMAKE) "
2893 . ($cygnus_mode ? '--cygnus' : ('--' . $strictness_name))
2894 . ($cmdline_use_dependencies ? '' : ' --include-deps')
2895 . ' ' . $input . $colon_infile . "\n\n");
2897 # This rule remakes the Makefile.
2898 $output_rules .= ($local_base
2899 # NOTE: bogus uninit value error on next line;
2900 # see comment above.
2901 . ': '
2902 . $infile . ' '
2903 . '$(top_builddir)/config.status'
2904 # NOTE: Makefile only depends on BUILT_SOURCES
2905 # when dependencies are being computed. This is
2906 # a workaround for an obscure bug with
2907 # AC_LINK_FILES. Anyway, when dependencies are
2908 # turned off, this shouldn't matter.
2909 . ($use_dependencies ? ' $(BUILT_SOURCES)' : '')
2910 . "\n"
2911 . "\tcd \$(top_builddir) \\\n"
2912 . "\t && CONFIG_FILES="
2913 . (($relative_dir eq '.') ? '$@' : '$(subdir)/$@')
2914 . $colon_infile
2915 . ' CONFIG_HEADERS= $(SHELL) ./config.status'
2916 . "\n\n");
2918 if ($relative_dir ne '.')
2919 {
2920 # In subdirectory.
2921 $top_reldir = '../';
2922 }
2923 else
2924 {
2925 &handle_aclocal_m4;
2926 $output_rules .= &file_contents ('remake');
2927 &examine_variable ('CONFIGURE_DEPENDENCIES');
2928 $top_reldir = '';
2929 }
2931 # If we have a configure header, require it.
2932 local ($one_hdr);
2933 local (@local_fullnames) = @config_fullnames;
2934 local (@local_names) = @config_names;
2935 local ($hdr_index) = 0;
2936 local ($distclean_config) = '';
2937 foreach $one_hdr (@config_headers)
2938 {
2939 local ($one_fullname) = shift (@local_fullnames);
2940 local ($one_name) = shift (@local_names);
2941 $hdr_index += 1;
2942 if ($relative_dir eq &dirname ($one_hdr))
2943 {
2944 local ($ch_sans_dir) = &basename ($one_hdr);
2945 local ($cn_sans_dir) = &basename ($one_name);
2947 &require_file_with_conf_line ($config_header_line,
2948 $FOREIGN, $ch_sans_dir);
2950 # Header defined and in this directory.
2951 local (@files);
2952 if (-f $relative_dir . '/acconfig.h')
2953 {
2954 push (@files, 'acconfig.h');
2955 }
2956 if (-f $one_name . '.top')
2957 {
2958 push (@files, "${cn_sans_dir}.top");
2959 }
2960 if (-f $one_name . '.bot')
2961 {
2962 push (@files, "${cn_sans_dir}.bot");
2963 }
2965 &push_dist_common (@files);
2967 local ($stamp_name) = 'stamp-h';
2968 $stamp_name .= "${hdr_index}" if scalar (@config_headers) > 1;
2970 local ($xform) = '';
2972 $xform = 's,\@FILES\@,' . join (' ', @files) . ',;';
2973 $xform .= 's,\@CONFIG_HEADER\@,' . "${cn_sans_dir}" . ',;';
2974 $xform .= 's,\@CONFIG_HEADER_IN\@,' . "${ch_sans_dir}" . ',;';
2975 $xform .= 's,\@CONFIG_HEADER_FULL\@,' . "${one_fullname}" . ',;';
2976 $xform .= 's,\@STAMP\@,' . "${stamp_name}" . ',;';
2978 $output_rules .= &file_contents_with_transform ($xform,
2979 'remake-hdr');
2981 &touch ($relative_dir . "/${stamp_name}.in");
2982 &require_file_with_conf_line ($config_header_line, $FOREIGN,
2983 "${stamp_name}.in");
2985 $distclean_config .= ' ' if $distclean_config;
2986 $distclean_config .= $cn_sans_dir;
2987 }
2988 }
2990 if ($distclean_config)
2991 {
2992 $output_rules .= &file_contents_with_transform ('s,\@FILES\@,'
2993 . $distclean_config
2994 . ',;',
2995 'clean-hdr');
2996 push (@clean, 'hdr');
2997 &push_phony_cleaners ('hdr');
2998 }
3000 # Set location of mkinstalldirs.
3001 if ($config_aux_dir ne '.' && $config_aux_dir ne '')
3002 {
3003 &define_variable ('mkinstalldirs', ('$(SHELL) ' . $config_aux_dir
3004 . '/mkinstalldirs'));
3005 }
3006 else
3007 {
3008 &define_variable ('mkinstalldirs',
3009 '$(SHELL) $(top_srcdir)/mkinstalldirs');
3010 }
3012 &am_line_error ('CONFIG_HEADER',
3013 "\`CONFIG_HEADER' is an anachronism; now determined from \`configure.in'")
3014 if &variable_defined ('CONFIG_HEADER');
3016 local ($one_name);
3017 local ($config_header) = '';
3018 foreach $one_name (@config_names)
3019 {
3020 # Generate CONFIG_HEADER define.
3021 local ($one_hdr);
3022 if ($relative_dir eq &dirname ($one_name))
3023 {
3024 $one_hdr = &basename ($one_name);
3025 }
3026 else
3027 {
3028 $one_hdr = "${top_builddir}/${one_name}";
3029 }
3031 $config_header .= ' ' if $config_header;
3032 $config_header .= $one_hdr;
3033 }
3034 if ($config_header)
3035 {
3036 &define_variable ("CONFIG_HEADER", $config_header);
3037 }
3039 # Now look for other files in this directory which must be remade
3040 # by config.status, and generate rules for them.
3041 local (@actual_other_files) = ();
3042 local ($file, $local);
3043 local (@inputs, @rewritten_inputs, $single);
3044 foreach $file (@other_input_files)
3045 {
3046 if ($file =~ /^(.*):(.*)$/)
3047 {
3048 # This is the ":" syntax of AC_OUTPUT.
3049 $file = $1;
3050 $local = &basename ($file);
3051 @inputs = split (':', $2);
3052 @rewritten_inputs = &rewrite_inputs_into_dependencies (@inputs);
3053 }
3054 else
3055 {
3056 # Normal usage.
3057 $local = &basename ($file);
3058 @inputs = ($local . '.in');
3059 @rewritten_inputs =
3060 &rewrite_inputs_into_dependencies ($file . '.in');
3061 }
3063 # Skip files not in this directory.
3064 next unless &dirname ($file) eq $relative_dir;
3066 # Skip any file that is an automake input.
3067 next if -f $file . '.am';
3069 # Some users have been tempted to put `stamp-h' in the
3070 # AC_OUTPUT line. This won't do the right thing, so we
3071 # explicitly fail here.
3072 if ($local eq 'stamp-h')
3073 {
3074 # FIXME: allow real filename.
3075 &am_conf_error ('configure.in', $ac_output_line,
3076 'stamp-h should not appear in AC_OUTPUT');
3077 next;
3078 }
3080 $output_rules .= ($local . ': '
3081 . '$(top_builddir)/config.status '
3082 . join (' ', @rewritten_inputs) . "\n"
3083 . "\t"
3084 . 'cd $(top_builddir) && CONFIG_FILES='
3085 . ($relative_dir eq '.' ? '' : '$(subdir)/')
3086 . '$@' . (length (@rewritten_inputs) > 1
3087 ? (':' . join (':', @rewritten_inputs))
3088 : '')
3089 . ' CONFIG_HEADERS= ./config.status'
3090 . "\n");
3091 push (@actual_other_files, $local);
3093 # Require all input files.
3094 &require_file_with_conf_line ($ac_output_line, $FOREIGN,
3095 @inputs);
3096 }
3098 # These files get removed by "make clean".
3099 &define_pretty_variable ('CONFIG_CLEAN_FILES', '', @actual_other_files);
3100 }
3102 # Handle C headers.
3103 sub handle_headers
3104 {
3105 $dir_holds_headers = &am_install_var ('header', 'HEADERS', 'include',
3106 'oldinclude', 'pkginclude',
3107 'noinst', 'check');
3108 }
3110 sub handle_gettext
3111 {
3112 return if ! $seen_gettext || $relative_dir ne '.';
3114 if (! &variable_defined ('SUBDIRS'))
3115 {
3116 &am_conf_error
3117 ("AM_GNU_GETTEXT in configure.in but SUBDIRS not defined");
3118 return;
3119 }
3121 &require_file_with_conf_line ($ac_gettext_line, $FOREIGN, 'ABOUT-NLS')
3122 if $seen_gettext;
3124 if (&variable_defined ('SUBDIRS'))
3125 {
3126 &am_line_error
3127 ('SUBDIRS',
3128 "AM_GNU_GETTEXT in configure.in but \`po' not in SUBDIRS")
3129 if $contents{'SUBDIRS'} !~ /\bpo\b/;
3130 &am_line_error
3131 ('SUBDIRS',
3132 "AM_GNU_GETTEXT in configure.in but \`intl' not in SUBDIRS")
3133 if $contents{'SUBDIRS'} !~ /\bintl\b/;
3134 }
3136 # Ensure that each language in ALL_LINGUAS has a .po file, and
3137 # each po file is mentioned in ALL_LINGUAS.
3138 if ($seen_linguas)
3139 {
3140 local (%linguas) = ();
3141 grep ($linguas{$_} = 1, split (' ', $all_linguas));
3143 foreach (<po/*.po>)
3144 {
3145 s/^po\///;
3146 s/\.po$//;
3148 &am_line_error ($all_linguas_line,
3149 ("po/$_.po exists but \`$_' not in \`ALL_LINGUAS'"))
3150 if ! $linguas{$_};
3151 }
3153 foreach (keys %linguas)
3154 {
3155 &am_line_error ($all_linguas_line,
3156 "$_ in \`ALL_LINGUAS' but po/$_.po does not exist")
3157 if ! -f "po/$_.po";
3158 }
3159 }
3160 else
3161 {
3162 &am_error ("AM_GNU_GETTEXT in configure.in but \`ALL_LINGUAS' not defined");
3163 }
3164 }
3166 # Handle footer elements.
3167 sub handle_footer
3168 {
3169 if ($contents{'SOURCES'})
3170 {
3171 # NOTE don't use define_pretty_variable here, because
3172 # $contents{...} is already defined.
3173 $output_vars .= 'SOURCES = ' . $contents{'SOURCES'} . "\n";
3174 }
3175 if ($contents{'OBJECTS'})
3176 {
3177 # NOTE don't use define_pretty_variable here, because
3178 # $contents{...} is already defined.
3179 $output_vars .= 'OBJECTS = ' . $contents{'OBJECTS'} . "\n";
3180 }
3181 if ($contents{'SOURCES'} || $contents{'OBJECTS'})
3182 {
3183 $output_vars .= "\n";
3184 }
3186 if (&variable_defined ('SUFFIXES'))
3187 {
3188 # Push actual suffixes, and not $(SUFFIXES). Some versions of
3189 # make do not like variable substitutions on the .SUFFIXES
3190 # line.
3191 push (@suffixes, &variable_value_as_list ('SUFFIXES', ''));
3192 }
3193 if (&target_defined ('.SUFFIXES'))
3194 {
3195 &am_line_error ('.SUFFIXES',
3196 "use variable \`SUFFIXES', not target \`.SUFFIXES'");
3197 }
3199 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
3200 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
3201 # anything else, by sticking it right after the default: target.
3202 $output_header .= ".SUFFIXES:\n";
3203 if (@suffixes)
3204 {
3206 # Make sure suffixes has unique elements. Sort them to ensure
3207 # the output remains consistent.
3208 local (%suffixes);
3210 grep ($suffixes{$_} = 1, @suffixes);
3212 $output_header .= (".SUFFIXES: "
3213 . join (' ', sort keys %suffixes)
3214 . "\n");
3215 }
3216 $output_trailer .= &file_contents ('footer');
3217 }
3219 # Deal with installdirs target.
3220 sub handle_installdirs
3221 {
3222 # GNU Makefile standards recommend this.
3223 $output_rules .= ("installdirs:"
3224 . ($recursive_install
3225 ? " installdirs-recursive\n"
3226 : "\n"));
3227 push (@phony, 'installdirs');
3228 if (@installdirs)
3229 {
3230 &pretty_print_rule ("\t" . '$(mkinstalldirs) ', "\t\t",
3231 @installdirs);
3232 }
3233 $output_rules .= "\n";
3234 }
3236 # There are several targets which need to be merged. This is because
3237 # their complete definition is compiled from many parts. Note that we
3238 # avoid double colon rules, otherwise we'd use them instead.
3239 sub handle_merge_targets
3240 {
3241 local ($makefile) = @_;
3243 # There are a few install-related variables that you should not define.
3244 local ($var);
3245 foreach $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
3246 {
3247 if (&variable_defined ($var))
3248 {
3249 &am_line_error ($var, "\`$var' should not be defined");
3250 }
3251 }
3253 # Put this at the beginning for the sake of non-GNU makes. This
3254 # is still wrong if these makes can run parallel jobs. But it is
3255 # right enough.
3256 unshift (@all, &basename ($makefile));
3258 local ($one_name);
3259 foreach $one_name (@config_names)
3260 {
3261 push (@all, &basename ($one_name))
3262 if &dirname ($one_name) eq $relative_dir;
3263 }
3265 &do_one_merge_target ('info', @info);
3266 &do_one_merge_target ('dvi', @dvi);
3267 &do_check_merge_target;
3268 &do_one_merge_target ('installcheck', @installcheck);
3270 if (defined $options{'no-installinfo'})
3271 {
3272 # FIXME: this is kind of a hack; should find another way to
3273 # know that this is required.
3274 local (@dirs);
3275 if (grep ($_ eq 'install-info-am', @phony))
3276 {
3277 push (@dirs, 'install-info-am');
3278 }
3279 if (&variable_defined ('SUBDIRS'))
3280 {
3281 push (@dirs, 'install-info-recursive');
3282 }
3283 &do_one_merge_target ('install-info', @dirs);
3284 }
3286 # Handle the various install targets specially. We do this so
3287 # that (eg) "make install-exec" will run "install-exec-recursive"
3288 # if required, but "make install" won't run it twice. Step one is
3289 # to see if the user specified local versions of any of the
3290 # targets we handle. "all" is treated as one of these since
3291 # "install" can run it.
3292 push (@install_exec, 'install-exec-local')
3293 if defined $contents{'install-exec-local'};
3294 push (@install_data, 'install-data-local')
3295 if defined $contents{'install-data-local'};
3296 push (@uninstall, 'uninstall-local')
3297 if defined $contents{'uninstall-local'};
3298 local ($utarg);
3299 foreach $utarg ('uninstall-data-local', 'uninstall-data-hook',
3300 'uninstall-exec-local', 'uninstall-exec-hook')
3301 {
3302 if (defined $contents{$utarg})
3303 {
3304 local ($x);
3305 ($x = $utarg) =~ s/(data|exec)-//;
3306 &am_line_error ($utarg, "use \`$x', not \`$utarg'");
3307 }
3308 }
3309 push (@all, 'all-local')
3310 if defined $contents{'all-local'};
3312 if (defined $contents{'install-local'})
3313 {
3314 &am_line_error ('install-local',
3315 "use \`install-data' or \`install-exec', not \`install'");
3316 }
3318 # Step two: if we are doing recursive makes, write out the
3319 # appropriate rules.
3320 local (@install);
3321 if ($recursive_install)
3322 {
3323 push (@install, 'install-recursive');
3325 if (@all)
3326 {
3327 local (@hackall) = ();
3328 local ($one_name);
3329 local ($local_headers) = '';
3330 foreach $one_name (@config_names)
3331 {
3332 if (&dirname ($one_name) eq $relative_dir)
3333 {
3334 $local_headers .= ' ' if $local_headers;
3335 $local_headers .= &basename ($one_name);
3336 }
3337 }
3338 if ($local_headers)
3339 {
3341 # This is kind of a hack, but I couldn't see a better
3342 # way to handle it. In this particular case, we need
3343 # to make sure config.h is built before we recurse.
3344 # We can't do this by changing the order of
3345 # dependencies to the "all" because that breaks when
3346 # using parallel makes. Instead we handle things
3347 # explicitly.
3348 $output_rules .= ("all-recursive-am: ${local_headers}"
3349 . "\n\t" . '$(MAKE) all-recursive'
3350 . "\n\n");
3351 push (@hackall, 'all-recursive-am');
3352 push (@phony, 'all-recursive-am');
3353 }
3354 else
3355 {
3356 push (@hackall, 'all-recursive');
3357 }
3359 $output_rules .= ('all-am: '
3360 . join (' ', @all)
3361 . "\n\n");
3362 @all = @hackall;
3363 push (@all, 'all-am');
3364 push (@phony, 'all-am');
3365 }
3366 else
3367 {
3368 @all = ('all-recursive');
3370 # Must always generate `all-am' target, so it can be
3371 # referred to elsewhere.
3372 $output_rules .= "all-am:\n";
3373 }
3374 if (@install_exec)
3375 {
3376 $output_rules .= ('install-exec-am: '
3377 . join (' ', @install_exec)
3378 . "\n\n");
3379 @install_exec = ('install-exec-recursive', 'install-exec-am');
3380 push (@install, 'install-exec-am');
3381 push (@phony, 'install-exec-am');
3382 }
3383 else
3384 {
3385 @install_exec = ('install-exec-recursive');
3386 }
3387 if (@install_data)
3388 {
3389 $output_rules .= ('install-data-am: '
3390 . join (' ', @install_data)
3391 . "\n\n");
3392 @install_data = ('install-data-recursive', 'install-data-am');
3393 push (@install, 'install-data-am');
3394 push (@phony, 'install-data-am');
3395 }
3396 else
3397 {
3398 @install_data = ('install-data-recursive');
3399 }
3400 if (@uninstall)
3401 {
3402 $output_rules .= ('uninstall-am: '
3403 . join (' ', @uninstall)
3404 . "\n\n");
3405 @uninstall = ('uninstall-recursive', 'uninstall-am');
3406 push (@phony, 'uninstall-am');
3407 }
3408 else
3409 {
3410 @uninstall = ('uninstall-recursive');
3411 }
3412 }
3414 # Step three: print definitions users can use. Code below knows
3415 # that install-exec is done before install-data, beware.
3416 $output_rules .= ("install-exec: "
3417 . join (' ', @install_exec)
3418 . "\n");
3419 $output_rules .= "\t\@\$(NORMAL_INSTALL)\n";
3420 if (defined $contents{'install-exec-hook'})
3421 {
3422 $output_rules .= "\t" . '$(MAKE) install-exec-hook' . "\n";
3423 }
3424 $output_rules .= "\n";
3425 push (@install, 'install-exec') if !$recursive_install;
3426 push (@phony, 'install-exec');
3428 $output_rules .= ("install-data: "
3429 . join (' ', @install_data)
3430 . "\n");
3431 $output_rules .= "\t\@\$(NORMAL_INSTALL)\n";
3432 if (defined $contents{'install-data-hook'})
3433 {
3434 $output_rules .= "\t" . '$(MAKE) install-data-hook' . "\n";
3435 }
3436 $output_rules .= "\n";
3437 push (@install, 'install-data') if !$recursive_install;
3438 push (@phony, 'install-data');
3440 # If no dependencies for 'install', add 'all'. Why? That way
3441 # "make install" at top level of distclean'd distribution won't
3442 # fail because stuff in 'lib' fails to build.
3443 if (! @install || (scalar (@install) == 2
3444 && $install[0] eq 'install-exec'
3445 && $install[1] eq 'install-data'))
3446 {
3447 push (@install, 'all');
3448 }
3449 $output_rules .= ('install: '
3450 . join (' ', @install)
3451 # Use "@:" as empty command so nothing prints.
3452 . "\n\t\@:"
3453 . "\n\n"
3454 . 'uninstall: '
3455 . join (' ', @uninstall)
3456 . "\n\n");
3457 push (@phony, 'install', 'uninstall');
3459 $output_rules .= ('all: '
3460 . join (' ', @all)
3461 . "\n\n");
3462 push (@phony, 'all');
3464 # Generate the new 'install-strip' target. Must set
3465 # INSTALL_SCRIPT to avoid stripping scripts.
3466 $output_rules .= ("install-strip:\n\t"
3467 . '$(MAKE) INSTALL_PROGRAM=\'$(INSTALL_PROGRAM) -s\' INSTALL_SCRIPT=\'$(INSTALL_PROGRAM)\' install'
3468 . "\n");
3469 }
3471 # Helper for handle_merge_targets.
3472 sub do_one_merge_target
3473 {
3474 local ($name, @values) = @_;
3476 if (defined $contents{$name . '-local'})
3477 {
3478 # User defined local form of target. So include it.
3479 push (@values, $name . '-local');
3480 push (@phony, $name . '-local');
3481 }
3483 &pretty_print_rule ($name . ":", "\t\t", @values);
3484 push (@phony, $name);
3485 }
3487 # Handle check merge target specially.
3488 sub do_check_merge_target
3489 {
3490 if (defined $contents{'check-local'})
3491 {
3492 # User defined local form of target. So include it.
3493 push (@check_tests, 'check-local');
3494 push (@phony, 'check-local');
3495 }
3497 if (! &variable_defined ('SUBDIRS'))
3498 {
3499 # 'check' must depend on `all', but not when doing recursive
3500 # build.
3501 unshift (@check, 'all');
3502 }
3503 else
3504 {
3505 # When subdirs are used, do the `all' build and then do all
3506 # the recursive stuff. Actually use `all-am' because it
3507 # doesn't recurse; we rely on the check target in the subdirs
3508 # to do the required builds there.
3509 unshift (@check, 'all-am');
3510 }
3512 # The check target must depend on the local equivalent of `all',
3513 # to ensure all the primary targets are built. Also it must
3514 # depend on the test code named in @check.
3515 &pretty_print_rule ('check:', "\t\t", @check);
3517 # Now the check rules must explicitly run anything named in
3518 # @check_tests. This is done via a separate make invocation to
3519 # avoid problems with parallel makes. Every time I write code
3520 # like this I wonder: how could you invent a parallel make and not
3521 # provide any real synchronization facilities?
3522 &pretty_print_rule ("\t\$(MAKE)", "\t ", @check_tests);
3523 }
3525 # Handle all 'clean' targets.
3526 sub handle_clean
3527 {
3528 push (@clean, 'generic');
3529 $output_rules .= &file_contents ('clean');
3530 &push_phony_cleaners ('generic');
3532 local ($target) = $recursive_install ? 'clean-am' : 'clean';
3533 &do_one_clean_target ($target, 'mostly', '', @clean);
3534 &do_one_clean_target ($target, '', 'mostly', @clean);
3535 &do_one_clean_target ($target, 'dist', '', @clean);
3536 &do_one_clean_target ($target, 'maintainer-', 'dist', @clean);
3538 push (@phony, 'clean', 'mostlyclean', 'distclean', 'maintainer-clean');
3540 local (@deps);
3541 if ($recursive_install)
3542 {
3543 # Do -recursive before -am. If you aren't doing a parallel
3544 # make, this can be nicer.
3545 @deps = ('recursive', 'am');
3546 &do_one_clean_target ('', 'mostly', '', @deps);
3547 &do_one_clean_target ('', '', '', @deps);
3548 &do_one_clean_target ('', 'dist', '', @deps);
3549 &do_one_clean_target ('', 'maintainer-', '', @deps);
3550 }
3551 }
3553 # Helper for handle_clean.
3554 sub do_one_clean_target
3555 {
3556 local ($target, $name, $last_name, @deps) = @_;
3558 # Special case: if target not passed, then don't generate
3559 # dependency on next "lower" clean target (eg no
3560 # clean<-mostlyclean derivation). In this case the target is
3561 # implicitly known to be 'clean'.
3562 local ($flag) = $target;
3563 $target = 'clean' if ! $flag;
3565 grep (($_ = $name . 'clean-' . $_) && 0, @deps);
3566 if ($flag)
3567 {
3568 if ($last_name || $name ne 'mostly')
3569 {
3570 push (@deps, $last_name . $target);
3571 }
3572 }
3574 # If a -local version of the rule is given, add it to the list.
3575 if (defined $contents{$name . $target . '-local'})
3576 {
3577 push (@deps, $name . $target . '-local');
3578 }
3580 # Print the target and the dependencies.
3581 &pretty_print_rule ($name . $target . ": ", "\t\t", @deps);
3583 # FIXME: shouldn't we really print these messages before running
3584 # the dependencies?
3585 if ($name . $target eq 'maintainer-clean')
3586 {
3587 # Print a special warning.
3588 $output_rules .=
3589 ("\t\@echo \"This command is intended for maintainers to use;\"\n"
3590 . "\t\@echo \"it deletes files that may require special "
3591 . "tools to rebuild.\"\n");
3593 $output_rules .= "\trm -f config.status\n"
3594 if $relative_dir eq '.';
3595 }
3596 elsif ($name . $target eq 'distclean')
3597 {
3598 $output_rules .= "\trm -f config.status\n";
3599 $output_rules .= "\trm -f libtool\n" if $seen_libtool;
3600 }
3601 $output_rules .= "\n";
3602 }
3604 # Handle .PHONY target.
3605 sub handle_phony
3606 {
3607 &pretty_print_rule ('.PHONY:', "", @phony);
3608 $output_rules .= "\n";
3609 }
3611 # Handle TESTS variable and other checks.
3612 sub handle_tests
3613 {
3614 if (defined $options{'dejagnu'})
3615 {
3616 push (@check_tests, 'check-DEJAGNU');
3617 push (@phony, 'check-DEJAGNU');
3619 local ($xform);
3620 if ($cygnus_mode)
3621 {
3622 $xform = 's/^CYGNUS//;';
3623 }
3624 else
3625 {
3626 $xform = 's/^CYGNUS.*$//;';
3627 }
3628 $output_rules .= &file_contents_with_transform ($xform, 'dejagnu');
3630 # In Cygnus mode, these are found in the build tree.
3631 # Otherwise they are looked for in $PATH.
3632 &define_program_variable ('EXPECT', 'build', 'expect', 'expect');
3633 &define_program_variable ('RUNTEST', 'src', 'dejagnu', 'runtest');
3635 # Note that in the rule we don't directly generate site.exp to
3636 # avoid the possibility of a corrupted site.exp if make is
3637 # interrupted. Jim Meyering has some useful text on this
3638 # topic.
3639 $output_rules .= ("site.exp: Makefile\n"
3640 . "\t\@echo 'Making a new site.exp file...'\n"
3641 . "\t-\@rm -f site.bak\n"
3642 . "\t\@echo '## these variables are automatically generated by make ##' > \$\@-t\n"
3643 . "\t\@echo '# Do not edit here. If you wish to override these values' >> \$\@-t\n"
3644 . "\t\@echo '# edit the last section' >> \$\@-t\n"
3645 . "\t\@echo 'set tool \$(DEJATOOL)' >> \$\@-t\n"
3646 . "\t\@echo 'set srcdir \$(srcdir)' >> \$\@-t\n"
3647 . "\t\@echo 'set objdir' \`pwd\` >> \$\@-t\n");
3649 # Extra stuff for AC_CANONICAL_*
3650 local (@whatlist) = ();
3651 if ($seen_canonical)
3652 {
3653 push (@whatlist, 'host')
3654 }
3656 # Extra stuff only for AC_CANONICAL_SYSTEM.
3657 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
3658 {
3659 push (@whatlist, 'target', 'build');
3660 }
3662 local ($c1, $c2);
3663 foreach $c1 (@whatlist)
3664 {
3665 foreach $c2 ('alias', 'triplet')
3666 {
3667 $output_rules .= "\t\@echo 'set ${c1}_${c2} \$(${c1}_${c2})' >> \$\@-t\n";
3668 }
3669 }
3671 $output_rules .= ("\t\@echo '## All variables above are generated by configure. Do Not Edit ##' >> \$\@-t\n"
3672 . "\t-\@sed '1,/^## All variables above are.*##/ d' site.bak >> \$\@-t\n"
3673 . "\t-\@mv site.exp site.bak\n"
3674 . "\t\@mv \$\@-t site.exp\n");
3675 }
3676 else
3677 {
3678 local ($c);
3679 foreach $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
3680 {
3681 if (&variable_defined ($c))
3682 {
3683 &am_line_error ($c, "\`$c' defined but \`dejagnu' not in \`AUTOMAKE_OPTIONS'");
3684 }
3685 }
3686 }
3688 if (&variable_defined ('TESTS'))
3689 {
3690 push (@check_tests, 'check-TESTS');
3691 push (@phony, 'check-TESTS');
3693 $output_rules .= 'check-TESTS: $(TESTS)
3694 @failed=0; all=0; \\
3695 srcdir=$(srcdir); export srcdir; \\
3696 for tst in $(TESTS); do \\
3697 if test -f $$tst; then dir=.; \\
3698 else dir="$(srcdir)"; fi; \\
3699 if $(TESTS_ENVIRONMENT) $$dir/$$tst; then \\
3700 all=`expr $$all + 1`; \\
3701 echo "PASS: $$tst"; \\
3702 elif test $$? -ne 77; then \\
3703 all=`expr $$all + 1`; \\
3704 failed=`expr $$failed + 1`; \\
3705 echo "FAIL: $$tst"; \\
3706 fi; \\
3707 done; \\
3708 if test "$$failed" -eq 0; then \\
3709 banner="All $$all tests passed"; \\
3710 else \\
3711 banner="$$failed of $$all tests failed"; \\
3712 fi; \\
3713 dashes=`echo "$$banner" | sed s/./=/g`; \\
3714 echo "$$dashes"; \\
3715 echo "$$banner"; \\
3716 echo "$$dashes"; \\
3717 test "$$failed" -eq 0
3718 ';
3719 }
3720 }
3722 # Handle Emacs Lisp.
3723 sub handle_emacs_lisp
3724 {
3725 local (@elfiles) = &am_install_var ('lisp', 'LISP', 'lisp', 'noinst');
3727 if (@elfiles)
3728 {
3729 # Found some lisp.
3730 &define_configure_variable ('lispdir');
3731 &define_configure_variable ('EMACS');
3732 $output_rules .= (".el.elc:\n"
3733 . "\t\@echo 'WARNING: Warnings can be ignored. :-)'\n"
3734 . "\tif test \$(EMACS) != no; then \\\n"
3735 . "\t EMACS=\$(EMACS) \$(SHELL) \$(srcdir)/elisp-comp \$<; \\\n"
3736 . "\tfi\n");
3737 push (@suffixes, '.el', '.elc');
3739 # Generate .elc files.
3740 grep ($_ .= 'c', @elfiles);
3741 &define_pretty_variable ('ELCFILES', '', @elfiles);
3743 $output_rules .= &file_contents ('lisp-clean');
3744 push (@clean, 'lisp');
3745 &push_phony_cleaners ('lisp');
3747 push (@all, '$(ELCFILES)');
3749 local ($varname);
3750 if (&variable_defined ('lisp_LISP'))
3751 {
3752 $varname = 'lisp_LISP';
3753 &am_error ("\`lisp_LISP' defined but \`AM_PATH_LISPDIR' not in \`configure.in'")
3754 if ! $seen_lispdir;
3755 }
3756 else
3757 {
3758 $varname = 'noinst_LISP';
3759 }
3761 &require_file_with_line ($varname, $FOREIGN, 'elisp-comp');
3762 }
3763 }
3765 ################################################################
3767 # Scan one file for interesting things. Subroutine of scan_configure.
3768 sub scan_one_configure_file
3769 {
3770 local ($filename) = @_;
3772 open (CONFIGURE, $filename)
3773 || die "automake: couldn't open \`$filename': $!\n";
3774 print "automake: reading $filename\n" if $verbose;
3776 while (<CONFIGURE>)
3777 {
3778 # Remove comments from current line.
3779 s/\bdnl\b.*$//;
3780 s/\#.*$//;
3782 # Skip macro definitions. Otherwise we might be confused into
3783 # thinking that a macro that was only defined was actually
3784 # used.
3785 next if /AC_DEFUN/;
3787 # Populate libobjs array.
3788 if (/AC_FUNC_ALLOCA/)
3789 {
3790 $libsources{'alloca.c'} = 1;
3791 }
3792 elsif (/AC_FUNC_GETLOADAVG/)
3793 {
3794 $libsources{'getloadavg.c'} = 1;
3795 }
3796 elsif (/AC_FUNC_MEMCMP/)
3797 {
3798 $libsources{'memcmp.c'} = 1;
3799 }
3800 elsif (/AC_STRUCT_ST_BLOCKS/)
3801 {
3802 $libsources{'fileblocks.c'} = 1;
3803 }
3804 elsif (/A[CM]_REPLACE_GNU_GETOPT/)
3805 {
3806 $libsources{'getopt.c'} = 1;
3807 $libsources{'getopt1.c'} = 1;
3808 }
3809 elsif (/AM_FUNC_STRTOD/)
3810 {
3811 $libsources{'strtod.c'} = 1;
3812 }
3813 elsif (/AM_WITH_REGEX/)
3814 {
3815 $libsources{'rx.c'} = 1;
3816 $libsources{'rx.h'} = 1;
3817 $libsources{'regex.c'} = 1;
3818 $libsources{'regex.h'} = 1;
3819 $omit_dependencies{'rx.h'} = 1;
3820 $omit_dependencies{'regex.h'} = 1;
3821 }
3822 elsif (/AM_FUNC_MKTIME/)
3823 {
3824 $libsources{'mktime.c'} = 1;
3825 }
3826 elsif (/AM_FUNC_ERROR_AT_LINE/)
3827 {
3828 $libsources{'error.c'} = 1;
3829 $libsources{'error.h'} = 1;
3830 }
3831 elsif (/AM_FUNC_OBSTACK/)
3832 {
3833 $libsources{'obstack.c'} = 1;
3834 $libsources{'obstack.h'} = 1;
3835 }
3836 elsif (/LIBOBJS="(.*)\s+\$LIBOBJS"/
3837 || /LIBOBJS="\$LIBOBJS\s+(.*)"/)
3838 {
3839 foreach $libobj_iter (split (' ', $1))
3840 {
3841 if ($libobj_iter =~ /^(.*)\.o$/)
3842 {
3843 $libsources{$1 . '.c'} = 1;
3844 }
3845 }
3846 }
3848 if (! $in_ac_replace && s/AC_REPLACE_FUNCS\s*\(\[?//)
3849 {
3850 $in_ac_replace = 1;
3851 }
3852 if ($in_ac_replace)
3853 {
3854 $in_ac_replace = 0 if s/[\]\)].*$//;
3855 # Remove trailing backslash.
3856 s/\\$//;
3857 foreach (split)
3858 {
3859 # Need to skip empty elements for Perl 4.
3860 next if $_ eq '';
3861 $libsources{$_ . '.c'} = 1;
3862 }
3863 }
3865 if (/$obsolete_rx/o)
3866 {
3867 local ($hint) = '';
3868 if ($obsolete_macros{$1})
3869 {
3870 $hint = '; ' . $obsolete_macros{$1};
3871 }
3872 &am_conf_line_error ($filename, $., "\`$1' is obsolete$hint");
3873 }
3875 # Process the AC_OUTPUT macro.
3876 if (! $in_ac_output && s/AC_OUTPUT\s*\(\[?//)
3877 {
3878 $in_ac_output = 1;
3879 $ac_output_line = $.;
3880 }
3881 if ($in_ac_output)
3882 {
3883 $in_ac_output = 0 if s/[\]\),].*$//;
3885 # Look at potential Makefile.am's.
3886 foreach (split)
3887 {
3888 next if $_ eq "\\";
3890 # Handle $local:$input syntax. Note that we ignore
3891 # every input file past the first, though we keep
3892 # those around for later.
3893 local ($local, $input, @rest) = split (/:/);
3894 if (! $input)
3895 {
3896 $input = $local;
3897 }
3898 else
3899 {
3900 # FIXME: should be error if .in is missing.
3901 $input =~ s/\.in$//;
3902 }
3904 if (-f $input . '.am')
3905 {
3906 # We have a file that automake should generate.
3907 push (@make_input_list, $input);
3908 $make_list{$input} = join (':', ($local, @rest));
3909 }
3910 else
3911 {
3912 # We have a file that automake should cause to be
3913 # rebuilt, but shouldn't generate itself.
3914 push (@other_input_files, $_);
3915 }
3916 }
3917 }
3919 if (/$AC_CONFIG_AUX_DIR_PATTERN/o)
3920 {
3921 @config_aux_path = $1;
3922 }
3924 # Check for ansi2knr.
3925 $am_c_prototypes = 1 if /AM_C_PROTOTYPES/;
3927 # Check for Cygwin32.
3928 if (/AM_CYGWIN32/)
3929 {
3930 $seen_cygwin32 = 1;
3931 $configure_vars{'EXEEXT'} = 1;
3932 }
3934 # Check for NLS support.
3935 if (/AM_GNU_GETTEXT/)
3936 {
3937 $seen_gettext = 1;
3938 $ac_gettext_line = $.;
3939 $omit_dependencies{'libintl.h'} = 1;
3940 }
3942 # Look for ALL_LINGUAS.
3943 if (/ALL_LINGUAS="(.*)"$/ || /ALL_LINGUAS=(.*)$/)
3944 {
3945 $seen_linguas = 1;
3946 $all_linguas = $1;
3947 $all_linguas_line = $.;
3948 }
3950 # Handle configuration headers. A config header of `[$1]'
3951 # means we are actually scanning AM_CONFIG_HEADER from
3952 # aclocal.m4.
3953 if (/A([CM])_CONFIG_HEADER\s*\((.*)\)/
3954 && $2 ne '[$1]')
3955 {
3956 &am_conf_line_error
3957 ($filename, $.,
3958 "\`AC_CONFIG_HEADER' is obsolete; use \`AM_CONFIG_HEADER'")
3959 if $1 eq 'C';
3961 $config_header_line = $.;
3962 local ($one_hdr);
3963 foreach $one_hdr (split (' ', $2))
3964 {
3965 push (@config_fullnames, $one_hdr);
3966 if ($one_hdr =~ /^([^:]+):(.+)$/)
3967 {
3968 push (@config_names, $1);
3969 push (@config_headers, $2);
3970 }
3971 else
3972 {
3973 push (@config_names, $one_hdr);
3974 push (@config_headers, $one_hdr . '.in');
3975 }
3976 }
3977 }
3979 # Handle AC_CANONICAL_*. Always allow upgrading to
3980 # AC_CANONICAL_SYSTEM, but never downgrading.
3981 $seen_canonical = $AC_CANONICAL_HOST
3982 if ! $seen_canonical
3983 && (/AC_CANONICAL_HOST/ || /AC_CHECK_TOOL/);
3984 $seen_canonical = $AC_CANONICAL_SYSTEM if /AC_CANONICAL_SYSTEM/;
3986 $seen_path_xtra = 1 if /AC_PATH_XTRA/;
3988 # This macro handles several different things.
3989 if (/$AM_INIT_AUTOMAKE_PATTERN/o)
3990 {
3991 $seen_make_set = 1;
3992 $seen_package = 1;
3993 $seen_version = 1;
3994 $seen_arg_prog = 1;
3995 $seen_prog_install = 2;
3996 ($package_version = $1) =~ s/$AM_PACKAGE_VERSION_PATTERN/$1/o;
3997 $package_version_line = $.;
3998 }
4000 # This is like AM_INIT_AUTOMAKE, but doesn't actually set the
4001 # package and version number. (This might change in the
4002 # future). Yes, I'm not above hacking Automake so it works
4003 # well with other GNU tools -- that is actually the point.
4004 if (/AM_INIT_GUILE_MODULE/)
4005 {
4006 $seen_make_set = 1;
4007 $seen_package = 1;
4008 $seen_version = 1;
4009 $seen_arg_prog = 1;
4010 $seen_prog_install = 2;
4011 @config_aux_path = ('..');
4012 }
4014 # Some things required by Automake.
4015 $seen_make_set = 1 if /AC_PROG_MAKE_SET/;
4016 $seen_arg_prog = 1 if /AC_ARG_PROGRAM/;
4018 if (/AC_PROG_(YACC|RANLIB|CC|CXX|LEX|AWK|CPP|CXXCPP|LN_S)/)
4019 {
4020 $configure_vars{$1} = 1;
4021 }
4022 if (/$AC_CHECK_PATTERN/o)
4023 {
4024 $configure_vars{$3} = 1;
4025 }
4026 if (/$AM_MISSING_PATTERN/o
4027 && $1 ne 'ACLOCAL'
4028 && $1 ne 'AUTOCONF'
4029 && $1 ne 'AUTOMAKE'
4030 && $1 ne 'AUTOHEADER')
4031 {
4032 $configure_vars{$1} = 1;
4033 }
4035 # Explicitly avoid ANSI2KNR -- we AC_SUBST that in protos.m4,
4036 # but later define it elsewhere. This is pretty hacky. We
4037 # also explicitly avoid INSTALL_SCRIPT and some other
4038 # variables because they are defined in header-vars.am.
4039 # FIXME.
4040 if (/$AC_SUBST_PATTERN/o
4041 && $1 ne 'ANSI2KNR'
4042 && $1 ne 'INSTALL_SCRIPT')
4043 {
4044 $configure_vars{$1} = 1;
4045 }
4047 $seen_decl_yytext = 1 if /AC_DECL_YYTEXT/;
4048 $seen_maint_mode = 1 if /AM_MAINTAINER_MODE/;
4049 $seen_package = 1 if /PACKAGE=/;
4051 # Skip VERSION of [$2]; that is from AM_INIT_AUTOMAKE.
4052 if (/\bVERSION=(\S+)/ && $1 ne '[$2]')
4053 {
4054 $seen_version = 1;
4055 $package_version = $1;
4056 $package_version_line = $.;
4057 }
4058 elsif (/VERSION=/)
4059 {
4060 $seen_version = 1;
4061 }
4063 # Weird conditionals here because it is always allowed to
4064 # upgrade to AM_PROG_INSTALL but never to downgrade to
4065 # AC_PROG_INSTALL.
4066 $seen_prog_install = 1 if ! $seen_prog_install && /AC_PROG_INSTALL/;
4067 $seen_prog_install = 2 if /AM_PROG_INSTALL/;
4069 $seen_lispdir = 1 if /AM_PATH_LISPDIR/;
4071 if (/AM_PROG_LIBTOOL/)
4072 {
4073 $seen_libtool = 1;
4074 $libtool_line = $.;
4075 $configure_vars{'LIBTOOL'} = 1;
4076 $configure_vars{'RANLIB'} = 1;
4077 $configure_vars{'CC'} = 1;
4078 # AM_PROG_LIBTOOL runs AC_CANONICAL_HOST. Make sure we
4079 # never downgrade (if we've seen AC_CANONICAL_SYSTEM).
4080 $seen_canonical = $AC_CANONICAL_HOST if ! $seen_canonical;
4081 }
4083 if (/$AM_CONDITIONAL_PATTERN/o)
4084 {
4085 $configure_cond{$1} = 1;
4086 }
4087 }
4089 close (CONFIGURE);
4090 }
4092 # Scan configure.in and aclocal.m4 for interesting things. We must
4093 # scan aclocal.m4 because there might be AC_SUBSTs and such there.
4094 sub scan_configure
4095 {
4096 # Reinitialize libsources here. This isn't really necessary,
4097 # since we currently assume there is only one configure.in. But
4098 # that won't always be the case.
4099 %libsources = ();
4101 local ($in_ac_output, $in_ac_replace) = (0, 0);
4102 local (%make_list, @make_input_list);
4103 local ($libobj_iter);
4105 &scan_one_configure_file ('configure.in');
4106 &scan_one_configure_file ('aclocal.m4')
4107 if -f 'aclocal.m4';
4109 # Set input and output files if not specified by user.
4110 if (! @input_files)
4111 {
4112 @input_files = @make_input_list;
4113 %output_files = %make_list;
4114 }
4116 &am_conf_error ("\`PACKAGE' not defined in configure.in")
4117 if ! $seen_package;
4118 &am_conf_error ("\`VERSION' not defined in configure.in")
4119 if ! $seen_version;
4121 # Look for some files we need. Always check for these. This
4122 # check must be done for every run, even those where we are only
4123 # looking at a subdir Makefile. We must set relative_dir so that
4124 # the file-finding machinery works.
4125 local ($relative_dir) = '.';
4126 &require_config_file ($FOREIGN, 'install-sh', 'mkinstalldirs', 'missing');
4127 &am_error ("\`install.sh' is an anachronism; use \`install-sh' instead")
4128 if -f $config_aux_path[0] . '/install.sh';
4129 }
4131 ################################################################
4133 # Set up for Cygnus mode.
4134 sub check_cygnus
4135 {
4136 return unless $cygnus_mode;
4138 &set_strictness ('foreign');
4139 $options{'no-installinfo'} = 1;
4140 $options{'no-dependencies'} = 1;
4141 $use_dependencies = 0;
4143 if (! $seen_maint_mode)
4144 {
4145 &am_conf_error ("\`AM_MAINTAINER_MODE' required when --cygnus specified");
4146 }
4148 if (! $seen_cygwin32)
4149 {
4150 &am_conf_error ("\`AM_CYGWIN32' required when --cygnus specified");
4151 }
4152 }
4154 # Do any extra checking for GNU standards.
4155 sub check_gnu_standards
4156 {
4157 if ($relative_dir eq '.')
4158 {
4159 # In top level (or only) directory.
4160 &require_file ($GNU, 'INSTALL', 'NEWS', 'README', 'COPYING',
4161 'AUTHORS', 'ChangeLog');
4162 }
4164 if ($strictness >= $GNU)
4165 {
4166 if (defined $options{'no-installman'})
4167 {
4168 &am_line_error ('AUTOMAKE_OPTIONS',
4169 "option \`no-installman' disallowed by GNU standards");
4170 }
4172 if (defined $options{'no-installinfo'})
4173 {
4174 &am_line_error ('AUTOMAKE_OPTIONS',
4175 "option \`no-installinfo' disallowed by GNU standards");
4176 }
4177 }
4178 }
4180 # Do any extra checking for GNITS standards.
4181 sub check_gnits_standards
4182 {
4183 if ($strictness >= $GNITS)
4184 {
4185 if (-f $relative_dir . '/COPYING.LIB')
4186 {
4187 &am_error ("\`${relative_dir}/COPYING.LIB' disallowed by Gnits standards");
4188 }
4190 if ($relative_dir eq '.')
4191 {
4192 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
4193 {
4194 # FIXME: allow real filename.
4195 &am_conf_line_error ('configure.in',
4196 $package_version_line,
4197 "version \`$package_version' doesn't follow Gnits standards");
4198 }
4199 elsif (defined $1 && -f 'README-alpha')
4200 {
4201 # This means we have an alpha release. See
4202 # GNITS_VERSION_PATTERN for details.
4203 &require_file ($GNITS, 'README-alpha');
4204 }
4205 }
4206 }
4208 if ($relative_dir eq '.')
4209 {
4210 # In top level (or only) directory.
4211 &require_file ($GNITS, 'THANKS');
4212 }
4213 }
4215 ################################################################
4217 # Pretty-print something. HEAD is what should be printed at the
4218 # beginning of the first line, FILL is what should be printed at the
4219 # beginning of every subsequent line.
4220 sub pretty_print_internal
4221 {
4222 local ($head, $fill, @values) = @_;
4224 local ($column) = length ($head);
4225 local ($result) = $head;
4227 # Fill length is number of characters. However, each Tab
4228 # character counts for eight. So we count the number of Tabs and
4229 # multiply by 7.
4230 local ($fill_length) = length ($fill);
4231 $fill_length += 7 * ($fill =~ tr/\t/\t/d);
4233 local ($bol) = ($head eq '');
4234 foreach (@values)
4235 {
4236 # "71" because we also print a space.
4237 if ($column + length ($_) > 71)
4238 {
4239 $result .= " \\\n" . $fill;
4240 $column = $fill_length;
4241 $bol = 1;
4242 }
4244 $result .= ' ' unless ($bol);
4245 $result .= $_;
4246 $column += length ($_) + 1;
4247 $bol = 0;
4248 }
4250 $result .= "\n";
4251 return $result;
4252 }
4254 # Pretty-print something and append to output_vars.
4255 sub pretty_print
4256 {
4257 $output_vars .= &pretty_print_internal (@_);
4258 }
4260 # Pretty-print something and append to output_rules.
4261 sub pretty_print_rule
4262 {
4263 $output_rules .= &pretty_print_internal (@_);
4264 }
4267 ################################################################
4269 # See if a target exists.
4270 sub target_defined
4271 {
4272 local ($target) = @_;
4273 return defined $targets{$target};
4274 }
4276 # See if two conditionals are the same.
4277 sub conditional_same
4278 {
4279 local ($cond1, $cond2) = @_;
4281 return (&conditional_true_when ($cond1, $cond2)
4282 && &conditional_true_when ($cond2, $cond1));
4283 }
4285 # See if a conditional is true. Both arguments are conditional
4286 # strings. This returns true if the first conditional is true when
4287 # the second conditional is true.
4288 sub conditional_true_when
4289 {
4290 local ($cond, $when) = @_;
4292 # Check the easy case first.
4293 if ($cond eq $when)
4294 {
4295 return 1;
4296 }
4298 # Check each component of $cond, which looks @COND1@@COND2@.
4299 foreach $comp (split ('@', $cond))
4300 {
4301 # The way we split will give null strings between each
4302 # condition.
4303 next if ! $comp;
4305 if (index ($when, '@' . $comp . '@') == -1)
4306 {
4307 return 0;
4308 }
4309 }
4311 return 1;
4312 }
4314 # Check for an ambiguous conditional. This is called when a variable
4315 # or target is being defined conditionally. If we already know about
4316 # a definition that is true under the same conditions, then we have an
4317 # ambiguity.
4318 sub check_ambiguous_conditional
4319 {
4320 local ($var_name, $cond) = @_;
4321 local (@cond_vals) = split (/ /, $conditional{$var_name});
4322 while (@cond_vals)
4323 {
4324 local ($vcond) = shift (@cond_vals);
4325 shift (@cond_vals);
4326 if (&conditional_true_when ($vcond, $cond)
4327 || &conditional_true_when ($cond, $vcond))
4328 {
4329 &am_line_error ($var_name,
4330 "$var_name multiply defined in condition");
4331 }
4332 }
4333 }
4335 # See if a variable exists. The first argument is the variable name,
4336 # and the optional second argument is the condition which we should
4337 # check. If no condition is given, we currently return true if the
4338 # variable is defined under any condition.
4339 sub variable_defined
4340 {
4341 local ($var, $cond) = @_;
4342 if (defined $targets{$var})
4343 {
4344 &am_line_error ($var, "\`$var' is target; expected variable");
4345 return 0;
4346 }
4347 elsif (defined $contents{$var})
4348 {
4349 if ($cond && $conditional{$var})
4350 {
4351 # We have been asked to check for a particular condition,
4352 # and the variable is defined conditionally. We need to
4353 # look through the conditions under which the variable is
4354 # defined, and see if any of them match the conditional we
4355 # have been asked to check.
4356 local (@cond_vars) = split (/ /, $conditional{$var});
4357 while (@cond_vars)
4358 {
4359 if (&conditional_same ($cond, shift (@cond_vars)))
4360 {
4361 return 1;
4362 }
4363 shift (@cond_vars);
4364 }
4366 # The variable is not defined for the given condition.
4367 return 0;
4368 }
4370 $content_seen{$var} = 1;
4371 return 1;
4372 }
4373 return 0;
4374 }
4376 # Mark a variable as examined.
4377 sub examine_variable
4378 {
4379 local ($var) = @_;
4380 &variable_defined ($var);
4381 }
4383 # Quote a value in order to put it in $conditional. We need to quote
4384 # spaces, and we need to handle null strings, so that we can later
4385 # retrieve values by splitting on space.
4386 sub quote_cond_val
4387 {
4388 local ($val) = @_;
4389 $val =~ s/ /\001/g;
4390 $val = '\002' if $val eq '';
4391 return $val;
4392 }
4394 # Unquote a value in $conditional.
4395 sub unquote_cond_val
4396 {
4397 local ($val) = @_;
4398 $val =~ s/\001/ /g;
4399 $val = '' if $val eq '\002';
4400 return $val;
4401 }
4403 # Return the set of conditions for which a variable is defined.
4405 # If the variable is not defined conditionally, and is not defined in
4406 # terms of any variables which are defined conditionally, then this
4407 # returns the empty list.
4409 # If the variable is defined conditionally, but is not defined in
4410 # terms of any variables which are defined conditionally, then this
4411 # returns the list of conditions for which the variable is defined.
4413 # If the variable is defined in terms of any variables which are
4414 # defined conditionally, then this returns a full set of permutations
4415 # of the subvariable conditions. For example, if the variable is
4416 # defined in terms of a variable which is defined for @COND_TRUE@,
4417 # then this returns both @COND_TRUE@ and @COND_FALSE@. This is
4418 # because we will need to define the variable under both conditions.
4420 sub variable_conditions
4421 {
4422 local ($var) = @_;
4423 local (%uniqify);
4424 local ($cond);
4426 foreach $cond (&variable_conditions_sub ($var, '', ()))
4427 {
4428 $uniqify{$cond} = 1;
4429 }
4431 return keys %uniqify;
4432 }
4434 # A subroutine of variable_conditions. We only return conditions
4435 # which are true for all the conditions in @PARENT_CONDS.
4436 sub variable_conditions_sub
4437 {
4438 local ($var, $parent, @parent_conds) = @_;
4439 local (@new_conds) = ();
4441 if (! $conditional{$var})
4442 {
4443 foreach (split (' ', $contents{$var}))
4444 {
4445 # If a comment seen, just leave.
4446 last if /^#/;
4448 # Handle variable substitutions.
4449 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
4450 {
4451 push (@new_conds,
4452 &variable_conditions_sub ($1, $var, @parent_conds));
4453 }
4454 }
4456 return &variable_conditions_reduce (@new_conds);
4457 }
4459 local (@this_conds) = ();
4460 local (@condvals) = split (/ /, $conditional{$var});
4461 while (@condvals)
4462 {
4463 local ($cond) = shift (@condvals);
4464 local ($val) = &unquote_cond_val (shift (@condvals));
4466 if (@parent_conds)
4467 {
4468 local ($ok) = 1;
4469 local ($parent_cond);
4470 foreach $parent_cond (@parent_conds)
4471 {
4472 if (! &conditional_true_when ($parent_cond, $cond))
4473 {
4474 $ok = 0;
4475 last;
4476 }
4477 }
4479 next if ! $ok;
4480 }
4482 push (@this_conds, $cond);
4484 push (@parent_conds, $cond);
4485 local (@subvar_conds) = ();
4486 foreach (split (' ', $val))
4487 {
4488 # If a comment seen, just leave.
4489 last if /^#/;
4491 # Handle variable substitutions.
4492 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
4493 {
4494 push (@subvar_conds,
4495 &variable_conditions_sub ($1, $var, @parent_conds));
4496 }
4497 }
4498 pop (@parent_conds);
4500 # If there are no conditional subvariables, then we want to
4501 # return this condition. Otherwise, we want to return the
4502 # permutations of the subvariables.
4503 if (! @subvar_conds)
4504 {
4505 push (@new_conds, $cond);
4506 }
4507 else
4508 {
4509 push (@new_conds, &variable_conditions_reduce (@subvar_conds));
4510 }
4511 }
4513 return @new_conds
4514 if ! $parent;
4516 # If we are being called on behalf of another variable, we need to
4517 # return all possible permutations of the conditions. We have
4518 # already handled everything in @this_conds along with their
4519 # subvariables. We now need to add any permutations that are not
4520 # in @this_conds.
4521 local ($this_cond);
4522 foreach $this_cond (@this_conds)
4523 {
4524 local (@perms) =
4525 &variable_conditions_permutations (split('@', $this_cond));
4526 local ($perm);
4527 foreach $perm (@perms)
4528 {
4529 local ($scan);
4530 local ($ok) = 1;
4531 foreach $scan (@this_conds)
4532 {
4533 if (&conditional_true_when ($perm, $scan)
4534 || &conditional_true_when ($scan, $perm))
4535 {
4536 $ok = 0;
4537 last;
4538 }
4539 }
4540 next if ! $ok;
4542 if (@parent_conds)
4543 {
4544 local ($ok) = 1;
4545 local ($parent_cond);
4546 foreach $parent_cond (@parent_conds)
4547 {
4548 if (! &conditional_true_when ($parent_cond, $perm))
4549 {
4550 $ok = 0;
4551 last;
4552 }
4553 }
4555 next if ! $ok;
4556 }
4558 # This permutation was not already handled, and is valid
4559 # for the parents.
4560 push (@new_conds, $perm);
4561 }
4562 }
4564 return @new_conds;
4565 }
4567 # Subroutine for variable_conditions_sort
4568 sub variable_conditions_cmp
4569 {
4570 local ($as) = $a;
4571 $as =~ s/[^@]//g;
4572 local ($bs) = $b;
4573 $bs =~ s/[^@]//g;
4574 return (length ($as) <=> length ($bs)
4575 || $a cmp $b);
4576 }
4578 # Sort a list of conditionals so that only the exclusive ones are
4579 # retained. For example, if both @COND1_TRUE@@COND2_TRUE@ and
4580 # @COND1_TRUE@ are in the list, discard the latter.
4581 sub variable_conditions_reduce
4582 {
4583 local (@conds) = @_;
4584 local (@ret) = ();
4585 local ($cond);
4586 foreach $cond (sort variable_conditions_cmp @conds)
4587 {
4588 local ($ok) = 1;
4589 local ($scan);
4590 foreach $scan (@ret)
4591 {
4592 if (&conditional_true_when ($cond, $scan))
4593 {
4594 $ok = 0;
4595 last;
4596 }
4597 }
4598 next if ! $ok;
4599 push (@ret, $cond);
4600 }
4602 return @ret;
4603 }
4605 # Return a list of permutations of a conditional string.
4606 sub variable_conditions_permutations
4607 {
4608 local (@comps) = @_;
4609 return ()
4610 if ! @comps;
4611 local ($comp) = shift (@comps);
4612 return &variable_conditions_permutations (@comps)
4613 if $comp eq '';
4614 local ($neg) = $comp;
4615 $neg =~ s/TRUE$/TRUEO/;
4616 $neg =~ s/FALSE$/TRUE/;
4617 $neg =~ s/TRUEO$/FALSE/;
4618 local (@ret);
4619 local ($sub);
4620 foreach $sub (&variable_conditions_permutations (@comps))
4621 {
4622 push (@ret, '@' . $comp . '@' . $sub);
4623 push (@ret, '@' . $neg . '@' . $sub);
4624 }
4625 if (! @ret)
4626 {
4627 push (@ret, '@' . $comp . '@');
4628 push (@ret, '@' . $neg . '@');
4629 }
4630 return @ret;
4631 }
4633 # Warn if a variable is conditionally defined. This is called if we
4634 # are using the value of a variable.
4635 sub variable_conditionally_defined
4636 {
4637 local ($var, $parent) = @_;
4638 if ($conditional{$var})
4639 {
4640 if ($parent)
4641 {
4642 &am_line_error ($parent,
4643 "warning: automake does not support conditional definition of $var in $parent");
4644 }
4645 else
4646 {
4647 &am_line_error ($parent,
4648 "warning: automake does not support $var being defined conditionally")
4649 }
4650 }
4651 }
4653 # Get the value of a variable. This just returns $contents, but warns
4654 # if the variable is conditionally defined.
4655 sub variable_value
4656 {
4657 local ($var) = @_;
4658 &variable_conditionally_defined ($var);
4659 return $contents{$var};
4660 }
4662 # Convert a variable value to a list, split as whitespace. This will
4663 # recursively follow $(...) and ${...} inclusions. It preserves @...@
4664 # substitutions. If COND is 'all', then all values under all
4665 # conditions should be returned; if COND is a particular condition
4666 # (all conditions are surrounded by @...@) then only the value for
4667 # that condition should be returned; otherwise, warn if VAR is
4668 # conditionally defined.
4669 sub value_to_list
4670 {
4671 local ($var, $val, $cond) = @_;
4672 local (@result);
4674 foreach (split (' ', $val))
4675 {
4676 # If a comment seen, just leave.
4677 last if /^#/;
4679 # Handle variable substitutions.
4680 if (/^\$\{([^}]*)\}$/ || /^\$\(([^)]*)\)$/)
4681 {
4682 local ($varname) = $1;
4683 local ($from, $to);
4684 local (@temp_list);
4685 if ($varname =~ /^([^:]*):([^=]*)=(.*)$/)
4686 {
4687 $varname = $1;
4688 $to = $3;
4689 ($from = $2) =~ s/(\W)/\\$1/g;
4690 }
4692 # Find the value.
4693 @temp_list = &variable_value_as_list ($1, $cond, $var);
4695 # Now rewrite the value if appropriate.
4696 if ($from)
4697 {
4698 grep (s/$from$/$to/, @temp_list);
4699 }
4701 push (@result, @temp_list);
4702 }
4703 else
4704 {
4705 push (@result, $_);
4706 }
4707 }
4709 return @result;
4710 }
4712 # Return contents of variable as list, split as whitespace. This will
4713 # recursively follow $(...) and ${...} inclusions. It preserves @...@
4714 # substitutions. If COND is 'all', then all values under all
4715 # conditions should be returned; if COND is a particular condition
4716 # (all conditions are surrounded by @...@) then only the value for
4717 # that condition should be returned; otherwise, warn if VAR is
4718 # conditionally defined. If PARENT is specified, it is the name of
4719 # the including variable; this is only used for error reports.
4720 sub variable_value_as_list
4721 {
4722 local ($var, $cond, $parent) = @_;
4723 local (@result);
4725 if (defined $targets{$var})
4726 {
4727 &am_line_error ($var, "\`$var' is target; expected variable");
4728 }
4729 elsif (! defined $contents{$var})
4730 {
4731 &am_line_error ($parent, "variable \`$var' not defined");
4732 }
4733 elsif ($cond eq 'all' && $conditional{$var})
4734 {
4735 local (@condvals) = split (/ /, $conditional{$var});
4736 while (@condvals)
4737 {
4738 shift (@condvals);
4739 local ($val) = &unquote_cond_val (shift (@condvals));
4740 push (@result, &value_to_list ($var, $val, $cond));
4741 }
4742 }
4743 elsif ($cond && $conditional{$var})
4744 {
4745 local (@condvals) = split (/ /, $conditional{$var});
4746 local ($onceflag);
4747 while (@condvals)
4748 {
4749 local ($vcond) = shift (@condvals);
4750 local ($val) = &unquote_cond_val (shift (@condvals));
4751 if (&conditional_true_when ($vcond, $cond))
4752 {
4753 # Warn if we have an ambiguity. It's hard to know how
4754 # to handle this case correctly.
4755 &variable_conditionally_defined ($var, $parent)
4756 if $onceflag;
4757 $onceflag = 1;
4758 push (@result, &value_to_list ($var, $val, $cond));
4759 }
4760 }
4761 }
4762 else
4763 {
4764 &variable_conditionally_defined ($var, $parent);
4765 $content_seen{$var} = 1;
4766 push (@result, &value_to_list ($var, $contents{$var}, $cond));
4767 }
4769 return @result;
4770 }
4772 # Define a new variable, but only if not already defined.
4773 sub define_variable
4774 {
4775 local ($var, $value) = @_;
4777 if (! defined $contents{$var})
4778 {
4779 $output_vars .= $var . ' = ' . $value . "\n";
4780 $contents{$var} = $value;
4781 $content_seen{$var} = 1;
4782 }
4783 }
4785 # Like define_variable, but the value is a list, and the variable may
4786 # be defined conditionally. The second argument is the conditional
4787 # under which the value should be defined; this should be the empty
4788 # string to define the variable unconditionally. The third argument
4789 # is a list holding the values to use for the variable. The value is
4790 # pretty printed in the output file.
4791 sub define_pretty_variable
4792 {
4793 local ($var, $cond, @value) = @_;
4794 if (! defined $contents{$var}
4795 || ($cond && ! &variable_defined ($var, $cond)))
4796 {
4797 $contents{$var} = join (' ', @value);
4798 if ($cond)
4799 {
4800 if ($conditional{$var})
4801 {
4802 $conditional{$var} .= ' ';
4803 }
4804 else
4805 {
4806 $conditional{$var} = '';
4807 }
4808 $conditional{$var} .= ($cond
4809 . ' '
4810 . "e_cond_val ($contents{$var}));
4811 }
4812 &pretty_print ($cond . $var . ' = ', $cond, @value);
4813 $content_seen{$var} = 1;
4814 }
4815 }
4817 # Like define_variable, but define a variable to be the configure
4818 # substitution by the same name.
4819 sub define_configure_variable
4820 {
4821 local ($var) = @_;
4822 local ($value) = '@' . $var . '@';
4823 &define_variable ($var, $value);
4824 }
4826 # Define a variable that represents a program to run. If in Cygnus
4827 # mode, the program is searched for in the build (or source) tree.
4828 # Otherwise no searching is done at all. Arguments are:
4829 # * VAR Name of variable to define
4830 # * WHATDIR Either `src' or `build', depending on where program should
4831 # be found. (runtest is in srcdir!)
4832 # * SUBDIR Subdir of top-level dir
4833 # * PROGRAM Name of program
4834 # * OVERRIDE If specified, the name of the program to use when not in
4835 # Cygnus mode. Defaults to PROGRAM.
4836 sub define_program_variable
4837 {
4838 local ($var, $whatdir, $subdir, $program, $override) = @_;
4840 if (! $override)
4841 {
4842 $override = $program;
4843 }
4845 if ($cygnus_mode)
4846 {
4847 local ($full) = ('$(top_' . $whatdir . 'dir)/../'
4848 . $subdir . '/' . $program);
4849 &define_variable ($var, ('`if test -f ' . $full
4850 . '; then echo ' . $full . '; else echo '
4851 . $program . '; fi`'));
4852 }
4853 else
4854 {
4855 &define_variable ($var, $override);
4856 }
4857 }
4860 ################################################################
4862 # Read Makefile.am and set up %contents. Simultaneously copy lines
4863 # from Makefile.am into $output_trailer or $output_vars as
4864 # appropriate. NOTE we put rules in the trailer section. We want
4865 # user rules to come after our generated stuff.
4866 sub read_am_file
4867 {
4868 local ($amfile) = @_;
4870 open (AM_FILE, $amfile) || die "automake: couldn't open \`$amfile': $!\n";
4871 print "automake: reading $amfile\n" if $verbose;
4873 $output_vars = ("# $in_file_name generated automatically by automake "
4874 . $VERSION . " from $am_file_name\n");
4876 # Generate copyright for generated Makefile.in.
4877 $output_vars .= $gen_copyright;
4879 local ($saw_bk) = 0;
4880 local ($was_rule) = 0;
4881 local ($spacing) = '';
4882 local ($comment) = '';
4883 local ($last_var_name) = '';
4884 local ($blank) = 0;
4886 while (<AM_FILE>)
4887 {
4888 if (/$IGNORE_PATTERN/o)
4889 {
4890 # Merely delete comments beginning with two hashes.
4891 }
4892 elsif (/$WHITE_PATTERN/o)
4893 {
4894 # Stick a single white line before the incoming macro or rule.
4895 $spacing = "\n";
4896 $blank = 1;
4897 }
4898 elsif (/$COMMENT_PATTERN/o)
4899 {
4900 # Stick comments before the incoming macro or rule. Make
4901 # sure a blank line preceeds first block of comments.
4902 $spacing = "\n" unless $blank;
4903 $blank = 1;
4904 $comment .= $spacing . $_;
4905 $spacing = '';
4906 }
4907 else
4908 {
4909 last;
4910 }
4911 }
4913 $output_vars .= $comment . "\n";
4914 $comment = '';
4915 $spacing = "\n";
4916 local ($am_vars) = '';
4918 local ($is_ok_macro);
4919 while ($_)
4920 {
4921 $_ .= "\n"
4922 unless substr ($_, -1, 1) eq "\n";
4924 $_ =~ s/\@MAINT\@//g
4925 unless $seen_maint_mode;
4927 if (/$IGNORE_PATTERN/o)
4928 {
4929 # Merely delete comments beginning with two hashes.
4930 }
4931 elsif (/$WHITE_PATTERN/o)
4932 {
4933 # Stick a single white line before the incoming macro or rule.
4934 $spacing = "\n";
4935 }
4936 elsif (/$COMMENT_PATTERN/o)
4937 {
4938 # Stick comments before the incoming macro or rule.
4939 $comment .= $spacing . $_;
4940 $spacing = '';
4941 }
4942 elsif ($saw_bk)
4943 {
4944 if ($was_rule)
4945 {
4946 $output_trailer .= join ('', @conditional_stack) . $_;
4947 $saw_bk = /\\$/;
4948 }
4949 else
4950 {
4951 $am_vars .= join ('', @conditional_stack) . $_;
4952 $saw_bk = /\\$/;
4953 # Chop newline and backslash if this line is
4954 # continued. FIXME: maybe ensure trailing whitespace
4955 # exists?
4956 chop if $saw_bk;
4957 chop if $saw_bk;
4958 $contents{$last_var_name} .= $_;
4959 if (@conditional_stack)
4960 {
4961 $conditional{$last_var_name} .= "e_cond_val ($_);
4962 }
4963 }
4964 }
4965 elsif (/$IF_PATTERN/o)
4966 {
4967 &am_line_error ($., "$1 does not appear in AM_CONDITIONAL")
4968 if (! $configure_cond{$1});
4969 push (@conditional_stack, "\@" . $1 . "_TRUE\@");
4970 }
4971 elsif (/$ELSE_PATTERN/o)
4972 {
4973 if (! @conditional_stack)
4974 {
4975 &am_line_error ($., "else without if");
4976 }
4977 elsif ($conditional_stack[$#conditional_stack] =~ /_FALSE\@$/)
4978 {
4979 &am_line_error ($., "else after else");
4980 }
4981 else
4982 {
4983 $conditional_stack[$#conditional_stack]
4984 =~ s/_TRUE\@$/_FALSE\@/;
4985 }
4986 }
4987 elsif (/$ENDIF_PATTERN/o)
4988 {
4989 if (! @conditional_stack)
4990 {
4991 &am_line_error ($., "endif without if");
4992 }
4993 else
4994 {
4995 pop @conditional_stack;
4996 }
4997 }
4998 elsif (/$RULE_PATTERN/o)
4999 {
5000 # Found a rule.
5001 $was_rule = 1;
5002 if (defined $contents{$1}
5003 && (@conditional_stack
5004 ? ! defined $conditional{$1}
5005 : defined $conditional{$1}))
5006 {
5007 &am_line_error ($1,
5008 "$1 defined both conditionally and unconditionally");
5009 }
5010 # Value here doesn't matter; for targets we only note
5011 # existence.
5012 $contents{$1} = 1;
5013 $targets{$1} = 1;
5014 local ($cond_string) = join ('', @conditional_stack);
5015 if (@conditional_stack)
5016 {
5017 if ($conditional{$1})
5018 {
5019 &check_ambiguous_conditional ($1, $cond_string);
5020 $conditional{$1} .= ' ';
5021 }
5022 else
5023 {
5024 $conditional{$1} = '';
5025 }
5026 $conditional{$1} .= $cond_string . ' 1';
5027 }
5028 $content_lines{$1} = $.;
5029 $output_trailer .= $comment . $spacing . $cond_string . $_;
5030 $comment = $spacing = '';
5031 $saw_bk = /\\$/;
5032 }
5033 elsif (($is_ok_macro = /$MACRO_PATTERN/o)
5034 || /$BOGUS_MACRO_PATTERN/o)
5035 {
5036 # Found a macro definition.
5037 $was_rule = 0;
5038 $last_var_name = $1;
5039 if (defined $contents{$1}
5040 && (@conditional_stack
5041 ? ! defined $conditional{$1}
5042 : defined $conditional{$1}))
5043 {
5044 &am_line_error ($1,
5045 "$1 defined both conditionally and unconditionally");
5046 }
5047 if ($2 ne '' && substr ($2, -1) eq "\\")
5048 {
5049 $contents{$last_var_name} = substr ($2, 0, length ($2) - 1);
5050 }
5051 else
5052 {
5053 $contents{$last_var_name} = $2;
5054 }
5055 local ($cond_string) = join ('', @conditional_stack);
5056 if (@conditional_stack)
5057 {
5058 if ($conditional{$last_var_name})
5059 {
5060 &check_ambiguous_conditional ($last_var_name,
5061 $cond_string);
5062 $conditional{$last_var_name} .= ' ';
5063 }
5064 else
5065 {
5066 $conditional{$last_var_name} = '';
5067 }
5068 local ($val) = $contents{$last_var_name};
5069 $conditional{$last_var_name} .= ($cond_string
5070 . ' '
5071 . "e_cond_val ($val));
5072 }
5073 $content_lines{$last_var_name} = $.;
5074 $am_vars .= $comment . $spacing . $cond_string . $_;
5075 $comment = $spacing = '';
5076 $saw_bk = /\\$/;
5078 # Error if bogus.
5079 &am_line_error ($., "bad macro name \`$last_var_name'")
5080 if ! $is_ok_macro;
5081 }
5082 else
5083 {
5084 # This isn't an error; it is probably a continued rule.
5085 # In fact, this is what we assume.
5086 $was_rule = 1;
5087 $output_trailer .= ($comment . $spacing
5088 . join ('', @conditional_stack) . $_);
5089 $comment = $spacing = '';
5090 $saw_bk = /\\$/;
5091 }
5093 $_ = <AM_FILE>;
5094 }
5096 $output_trailer .= $comment;
5098 &am_error ("unterminated conditionals: " . join (' ', @conditional_stack))
5099 if (@conditional_stack);
5101 # Compute relative location of the top object directory.
5102 local (@topdir) = ();
5103 foreach (split (/\//, $relative_dir))
5104 {
5105 next if $_ eq '.' || $_ eq '';
5106 if ($_ eq '..')
5107 {
5108 pop @topdir;
5109 }
5110 else
5111 {
5112 push (@topdir, '..');
5113 }
5114 }
5115 @topdir = ('.') if ! @topdir;
5117 $top_builddir = join ('/', @topdir);
5118 local ($build_rx);
5119 ($build_rx = $top_builddir) =~ s/(\W)/\\$1/g;
5120 $output_vars .= &file_contents_with_transform
5121 ('s/\@top_builddir\@/' . $build_rx . '/g;',
5122 'header-vars');
5124 # Generate some useful variables when AC_CANONICAL_* used. FIXME:
5125 # this should use generic %configure_vars method.
5126 if ($seen_canonical)
5127 {
5128 local ($curs, %vars);
5129 $vars{'host_alias'} = 'host_alias';
5130 $vars{'host_triplet'} = 'host';
5131 if ($seen_canonical == $AC_CANONICAL_SYSTEM)
5132 {
5133 $vars{'build_alias'} = 'build_alias';
5134 $vars{'build_triplet'} = 'build';
5135 $vars{'target_alias'} = 'target_alias';
5136 $vars{'target_triplet'} = 'target';
5137 }
5138 foreach $curs (sort keys %vars)
5139 {
5140 $output_vars .= "$curs = \@$vars{$curs}\@\n";
5141 $contents{$curs} = "\@$vars{$curs}\@";
5142 }
5143 }
5145 local ($curs);
5146 foreach $curs (sort keys %configure_vars)
5147 {
5148 &define_configure_variable ($curs);
5149 }
5151 $output_vars .= $am_vars;
5152 }
5154 ################################################################
5156 sub initialize_global_constants
5157 {
5158 # Values for AC_CANONICAL_*
5159 $AC_CANONICAL_HOST = 1;
5160 $AC_CANONICAL_SYSTEM = 2;
5162 # Associative array of standard directory names. Entry is TRUE if
5163 # corresponding directory should be installed during
5164 # 'install-exec' phase.
5165 %exec_dir_p =
5166 ('bin', 1,
5167 'sbin', 1,
5168 'libexec', 1,
5169 'data', 0,
5170 'sysconf', 1,
5171 'localstate', 1,
5172 'lib', 1,
5173 'info', 0,
5174 'man', 0,
5175 'include', 0,
5176 'oldinclude', 0,
5177 'pkgdata', 0,
5178 'pkglib', 1,
5179 'pkginclude', 0
5180 );
5182 # Helper text for dealing with man pages.
5183 $install_man_format =
5184 ' @sect=@SECTION@; \\
5185 inst=`echo "@MANBASE@" | sed \'$(transform)\'`.@FULLSECT@; \\
5186 if test -f $(srcdir)/@MAN@; then file=$(srcdir)/@MAN@; \\
5187 else file=@MAN@; fi; \\
5188 echo " $(INSTALL_DATA) $$file $(mandir)/man$$sect/$$inst"; \\
5189 $(INSTALL_DATA) $$file $(mandir)/man$$sect/$$inst
5190 ';
5192 $uninstall_man_format =
5193 ' inst=`echo "@MANBASE@" | sed \'$(transform)\'`.@FULLSECT@; \\
5194 rm -f $(mandir)/man@SECTION@/$$inst
5195 ';
5197 # Commonly found files we look for and automatically include in
5198 # DISTFILES.
5199 @common_files =
5200 (
5201 "README", "THANKS", "TODO", "NEWS", "COPYING", "COPYING.LIB",
5202 "INSTALL", "ABOUT-NLS", "ChangeLog", "configure", "configure.in",
5203 "config.guess", "config.sub", "AUTHORS", "BACKLOG", "ABOUT-GNU",
5204 "libversion.in", "mdate-sh", "mkinstalldirs", "install-sh",
5205 'texinfo.tex', "ansi2knr.c", "ansi2knr.1", 'elisp-comp',
5206 'ylwrap', 'acinclude.m4', @libtoolize_files,
5207 'missing'
5208 );
5210 # Commonly used files we auto-include, but only sometimes.
5211 @common_sometimes =
5212 (
5213 "aclocal.m4", "acconfig.h", "config.h.top",
5214 "config.h.bot", "stamp-h.in", 'stamp-vti'
5215 );
5217 $USAGE = "\
5218 -a, --add-missing add missing standard files to package
5219 --amdir=DIR directory storing config files
5220 --build-dir=DIR directory where build being done (for dependencies)
5221 --cygnus assume program is part of Cygnus-style tree
5222 --foreign set strictness to foreign
5223 --gnits set strictness to gnits
5224 --gnu set strictness to gnu
5225 --help print this help, then exit
5226 -i, --include-deps include generated dependencies in Makefile.in
5227 --no-force only update Makefile.in's that are out of date
5228 -o DIR, --output-dir=DIR
5229 put generated Makefile.in's into DIR
5230 --srcdir-name=DIR name used for srcdir (for dependencies)
5231 -v, --verbose verbosely list files processed
5232 --version print version number, then exit\n";
5234 # Copyright on generated Makefile.ins.
5235 $gen_copyright = "\
5236 # Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
5237 # This Makefile.in is free software; the Free Software Foundation
5238 # gives unlimited permission to copy, distribute and modify it.
5239 ";
5241 # Ignore return result from chmod, because it might give an error
5242 # if we chmod a symlink.
5243 $dist_header = "\t" . '-chmod -R a+r $(distdir)' . "\n";
5244 $dist{'dist-tarZ'} = ("\t"
5245 . '$(TAR) chf - $(distdir) | compress -c > $(distdir).tar.Z'
5246 . "\n");
5247 $dist{'dist-shar'} = ("\t"
5248 . 'shar $(distdir) | gzip > $(distdir).shar.gz'
5249 . "\n");
5250 $dist{'dist-zip'} = "\t" . 'zip -rq $(distdir).zip $(distdir)' . "\n";
5251 $dist{'dist'} = "\t" . 'GZIP=$(GZIP) $(TAR) chozf $(distdir).tar.gz $(distdir)' . "\n";
5252 $dist_trailer = "\t" . 'rm -rf $(distdir)' . "\n";
5253 }
5255 # (Re)-Initialize per-Makefile.am variables.
5256 sub initialize_per_input
5257 {
5258 # These two variables are used when generating each Makefile.in.
5259 # They hold the Makefile.in until it is ready to be printed.
5260 $output_rules = '';
5261 $output_vars = '';
5262 $output_trailer = '';
5263 $output_header = '';
5265 # Suffixes found during a run.
5266 @suffixes = ();
5268 # This holds the contents of a Makefile.am, as parsed by
5269 # read_am_file.
5270 %contents = ();
5272 # This holds the names which are targets. These also appear in
5273 # %contents.
5274 %targets = ();
5276 # For a variable or target which is defined conditionally, this
5277 # holds an array of the conditional values. The array is composed
5278 # of pairs of condition strings (the variables which configure
5279 # will substitute) and values (the value of a target is
5280 # meaningless). For an unconditional variable, this is empty.
5281 %conditional = ();
5283 # This holds the line numbers at which various elements of
5284 # %contents are defined.
5285 %content_lines = ();
5287 # This holds a 1 if a particular variable was examined.
5288 %content_seen = ();
5290 # This is the conditional stack.
5291 @conditional_stack = ();
5293 # This holds the "relative directory" of the current Makefile.in.
5294 # Eg for src/Makefile.in, this is "src".
5295 $relative_dir = '';
5297 # This holds a list of files that are included in the
5298 # distribution.
5299 %dist_common = ();
5301 # List of dependencies for the obvious targets.
5302 @install_data = ();
5303 @install_exec = ();
5304 @uninstall = ();
5305 @installdirs = ();
5307 @info = ();
5308 @dvi = ();
5309 @all = ();
5310 @check = ();
5311 @check_tests = ();
5312 @installcheck = ();
5313 @clean = ();
5315 @phony = ();
5317 # These are pretty obvious, too. They are used to define the
5318 # SOURCES and OBJECTS variables.
5319 @sources = ();
5320 @objects = ();
5322 # TRUE if current directory holds any C source files.
5323 $dir_holds_sources = 0;
5325 # These variables track inclusion of various compile-related .am
5326 # files. $included_generic_compile is TRUE if the basic code has
5327 # been included. $included_knr_compile is TRUE if the ansi2knr
5328 # code has been included. $included_libtool_compile is TRUE if
5329 # libtool support has been included.
5330 $included_generic_compile = 0;
5331 $included_knr_compile = 0;
5332 $included_libtool_compile = 0;
5334 # TRUE if current directory holds any headers.
5335 $dir_holds_headers = 0;
5337 # TRUE if install targets should work recursively.
5338 $recursive_install = 0;
5340 # All .P files.
5341 %dep_files = ();
5343 # Strictness levels.
5344 $strictness = $default_strictness;
5345 $strictness_name = $default_strictness_name;
5347 # Options from AUTOMAKE_OPTIONS.
5348 %options = ();
5350 # Whether or not dependencies are handled. Can be further changed
5351 # in handle_options.
5352 $use_dependencies = $cmdline_use_dependencies;
5354 # Per Makefile.am.
5355 $local_maint_charset = $maint_charset;
5357 # All yacc and lex source filenames for this directory. Use
5358 # filenames instead of raw count so that multiple instances are
5359 # counted correctly (eg one yacc file can appear in multiple
5360 # programs without harm).
5361 %yacc_sources = ();
5362 %lex_sources = ();
5364 # C++ source extensions we've seen.
5365 %cxx_extensions = ();
5367 # TRUE if we've seen any non-C++ sources. This actually holds a
5368 # line number or the name of a symbol corresponding to a line
5369 # number where the C sources were seen. If it is -1 then it means
5370 # we couldn't (easily) figure out which line of the Makefile.am
5371 # mentioned the sources.
5372 $seen_c_source = 0;
5374 # This is a list of all targets to run during "make dist".
5375 @dist_targets = ();
5377 # Keys in this hash are the basenames of files which must depend
5378 # on ansi2knr.
5379 %de_ansi_files = ();
5380 }
5383 ################################################################
5385 # Return contents of a file from $am_dir, automatically skipping
5386 # macros or rules which are already known. Runs command on each line
5387 # as it is read; this command can modify $_.
5388 sub file_contents_with_transform
5389 {
5390 local ($command, $basename) = @_;
5391 local ($file) = $am_dir . '/' . $basename . '.am';
5393 if ($command ne '' && substr ($command, -1) ne ';')
5394 {
5395 die "automake: programming error in file_contents_with_transform\n";
5396 }
5398 open (FC_FILE, $file)
5399 || die "automake: installation error: cannot open \`$file'\n";
5400 # Looks stupid?
5401 # print "automake: reading $file\n" if $verbose;
5403 local ($was_rule) = 0;
5404 local ($result_vars) = '';
5405 local ($result_rules) = '';
5406 local ($comment) = '';
5407 local ($spacing) = "\n";
5408 local ($skipping) = 0;
5409 local ($had_chars);
5411 while (<FC_FILE>)
5412 {
5413 $_ =~ s/\@MAINT\@//g
5414 unless $seen_maint_mode;
5416 $had_chars = length ($_) && $_ ne "\n";
5417 eval $command;
5418 # If the transform caused all the characters to go away, then
5419 # ignore the line. Why do this? Because in Perl 4, a "next"
5420 # inside of an eval doesn't affect a loop outside the eval.
5421 # So we can't pass in a "transform" that uses next. We used
5422 # to do this. "Empty" also means consisting of a single
5423 # newline.
5424 next if $had_chars && ($_ eq '' || $_ eq "\n");
5426 if (/$IGNORE_PATTERN/o)
5427 {
5428 # Merely delete comments beginning with two hashes.
5429 }
5430 elsif (/$WHITE_PATTERN/o)
5431 {
5432 # Stick a single white line before the incoming macro or rule.
5433 $spacing = "\n";
5434 }
5435 elsif (/$COMMENT_PATTERN/o)
5436 {
5437 # Stick comments before the incoming macro or rule.
5438 $comment .= $spacing . $_;
5439 $spacing = '';
5440 }
5441 elsif ($saw_bk)
5442 {
5443 if ($was_rule)
5444 {
5445 $result_rules .= $_ if ! $skipping;
5446 }
5447 else
5448 {
5449 $result_vars .= $_ if ! $skipping;
5450 }
5451 $saw_bk = /\\$/;
5452 }
5453 elsif (/$RULE_PATTERN/o)
5454 {
5455 # Found a rule.
5456 $was_rule = 1;
5457 $skipping = defined $contents{$1};
5458 $result_rules .= $comment . $spacing . $_ if ! $skipping;
5459 $comment = $spacing = '';
5460 $saw_bk = /\\$/;
5461 }
5462 elsif (/$MACRO_PATTERN/o)
5463 {
5464 # Found a variable reference.
5465 $was_rule = 0;
5466 $skipping = defined $contents{$1};
5467 $result_vars .= $comment . $spacing . $_ if ! $skipping;
5468 $comment = $spacing = '';
5469 $saw_bk = /\\$/;
5470 }
5471 else
5472 {
5473 # This isn't an error; it is probably a continued rule.
5474 # In fact, this is what we assume.
5475 $was_rule = 1;
5476 $result_rules .= $comment . $spacing . $_ if ! $skipping;
5477 $comment = $spacing = '';
5478 $saw_bk = /\\$/;
5479 }
5480 }
5482 close (FC_FILE);
5483 return $result_vars . $result_rules . $comment;
5484 }
5486 # Like file_contents_with_transform, but no transform.
5487 sub file_contents
5488 {
5489 return &file_contents_with_transform ('', @_);
5490 }
5492 # Find all variable prefixes that are used for install directories. A
5493 # prefix `zar' qualifies iff:
5494 # * `zardir' is a variable.
5495 # * `zar_PRIMARY' is a variable.
5496 sub am_primary_prefixes
5497 {
5498 local ($primary, @prefixes) = @_;
5500 local (%valid, $varname);
5501 grep ($valid{$_} = 0, @prefixes);
5502 $valid{'EXTRA'} = 0;
5503 foreach $varname (keys %contents)
5504 {
5505 if ($varname =~ /^(.*)_$primary$/)
5506 {
5507 if (! defined $valid{$1}
5508 && ! &variable_defined ($1 . 'dir')
5509 # Note that a configure variable is always legitimate.
5510 # It is natural to name such variables after the
5511 # primary, so we explicitly allow it.
5512 && ! defined $configure_vars{$varname})
5513 {
5514 &am_line_error ($varname, "invalid variable \"$varname\"");
5515 }
5516 else
5517 {
5518 # Ensure all extended prefixes are actually used.
5519 $valid{$1} = 1;
5520 }
5521 }
5522 }
5524 return %valid;
5525 }
5527 # Handle `where_HOW' variable magic. Does all lookups, generates
5528 # install code, and possibly generates code to define the primary
5529 # variable. The first argument is the name of the .am file to munge,
5530 # the second argument is the primary variable (eg HEADERS), and all
5531 # subsequent arguments are possible installation locations. Returns
5532 # list of all values of all _HOW targets.
5533 #
5534 # FIXME: this should be rewritten to be cleaner. It should be broken
5535 # up into multiple functions.
5536 #
5537 # Usage is: am_install_var (OPTION..., file, HOW, where...)
5538 sub am_install_var
5539 {
5540 local (@args) = @_;
5542 local ($do_clean) = 0;
5544 local ($ltxform);
5545 if (defined $configure_vars{'LIBTOOL'})
5546 {
5547 # Transform '@LIBTOOL ...@' to '$(LIBTOOL) ...'
5548 $ltxform = 's/\@LIBTOOL([^\@]*)\@/\$(LIBTOOL) $1/;';
5549 }
5550 else
5551 {
5552 # Delete '@LIBTOOL ...@'
5553 $ltxform = 's/\@LIBTOOL([^\@]*)\@//;';
5554 }
5556 local ($cygxform);
5557 if (! $seen_cygwin32)
5558 {
5559 $cygxform = 's/\@EXEEXT\@//g; s/^NOTCYGWIN//; s/^CYGWIN.*$//;';
5560 }
5561 else
5562 {
5563 $cygxform = 's/\@EXEEXT\@/\$(EXEEXT)/g; s/^CYGWIN//; s/^NOTCYGWIN.*$//;';
5564 }
5566 while (@args)
5567 {
5568 if ($args[0] eq '-clean')
5569 {
5570 $do_clean = 1;
5571 }
5572 elsif ($args[0] !~ /^-/)
5573 {
5574 last;
5575 }
5576 shift (@args);
5577 }
5578 local ($file, $primary, @prefixes) = @args;
5580 local (@used) = ();
5581 local (@result) = ();
5583 # Now that configure substitutions are allowed in where_HOW
5584 # variables, it is an error to actually define the primary.
5585 &am_line_error ($primary, "\`$primary' is an anachronism")
5586 if &variable_defined ($primary);
5589 # Look for misspellings. It is an error to have a variable ending
5590 # in a "reserved" suffix whose prefix is unknown, eg
5591 # "bni_PROGRAMS". However, unusual prefixes are allowed if a
5592 # variable of the same name (with "dir" appended) exists. For
5593 # instance, if the variable "zardir" is defined, then
5594 # "zar_PROGRAMS" becomes valid. This is to provide a little extra
5595 # flexibility in those cases which need it. Perhaps it should be
5596 # disallowed in the Gnits case? The problem is, sometimes it is
5597 # useful to put things in a subdir of eg pkgdatadir, perhaps even
5598 # for Gnitsoids.
5599 local (%valid) = &am_primary_prefixes ($primary, @prefixes);
5601 # If a primary includes a configure substitution, then the EXTRA_
5602 # form is required. Otherwise we can't properly do our job.
5603 local ($require_extra);
5604 local ($warned_about_extra) = 0;
5606 local ($clean_file) = $file . '-clean';
5607 local ($one_name);
5608 local ($X);
5609 foreach $X (sort keys %valid)
5610 {
5611 $one_name = $X . '_' . $primary;
5612 if (&variable_defined ($one_name))
5613 {
5614 # Append actual contents of where_PRIMARY variable to
5615 # result.
5616 local ($rcurs);
5617 foreach $rcurs (&variable_value_as_list ($one_name, 'all'))
5618 {
5619 # Skip configure substitutions. Possibly bogus.
5620 if ($rcurs =~ /^\@.*\@$/)
5621 {
5622 if ($X eq 'EXTRA')
5623 {
5624 if (! $warned_about_extra)
5625 {
5626 $warned_about_extra = 1;
5627 &am_line_error ($one_name,
5628 "\`$one_name' contains configure substitution, but shouldn't");
5629 }
5630 }
5631 # Check here to make sure variables defined in
5632 # configure.in do not imply that EXTRA_PRIMARY
5633 # must be defined.
5634 elsif (! defined $configure_vars{$one_name})
5635 {
5636 $require_extra = $one_name;
5637 }
5638 next;
5639 }
5640 push (@result, $rcurs);
5641 }
5643 # "EXTRA" shouldn't be used when generating clean targets,
5644 # @all, or install targets.
5645 next if $X eq 'EXTRA';
5647 if ($do_clean)
5648 {
5649 $output_rules .=
5650 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/go;'
5651 . $cygxform,
5652 $clean_file);
5654 push (@clean, $X . $primary);
5655 &push_phony_cleaners ($X . $primary);
5656 }
5658 if ($X eq 'check')
5659 {
5660 push (@check, '$(' . $one_name . ')');
5661 }
5662 else
5663 {
5664 push (@used, '$(' . $one_name . ')');
5665 }
5666 if ($X eq 'noinst' || $X eq 'check')
5667 {
5668 # Objects which don't get installed by default.
5669 next;
5670 }
5672 $output_rules .=
5673 &file_contents_with_transform ('s/\@DIR\@/' . $X . '/g;'
5674 . $ltxform . $cygxform,
5675 $file);
5677 push (@uninstall, 'uninstall-' . $X . $primary);
5678 push (@phony, 'uninstall-' . $X . $primary);
5679 push (@installdirs, '$(' . $X . 'dir)');
5680 if (defined $exec_dir_p{$X} ? $exec_dir_p{$X} : ($X =~ /exec/))
5681 {
5682 push (@install_exec, 'install-' . $X . $primary);
5683 push (@phony, 'install-' . $X . $primary);
5684 }
5685 else
5686 {
5687 push (@install_data, 'install-' . $X . $primary);
5688 push (@phony, 'install-' . $X . $primary);
5689 }
5690 }
5691 }
5693 if (@used)
5694 {
5695 # Define it.
5696 &define_pretty_variable ($primary, '', @used);
5697 $output_vars .= "\n";
5698 }
5700 if ($require_extra && ! &variable_defined ('EXTRA_' . $primary))
5701 {
5702 &am_line_error ($require_extra,
5703 "\`$require_extra' contains configure substitution, but \`EXTRA_$primary' not defined");
5704 }
5706 # Push here because PRIMARY might be configure time determined.
5707 push (@all, '$(' . $primary . ')')
5708 if @used;
5710 return (@result);
5711 }
5714 ################################################################
5716 # This variable is local to the "require file" set of functions.
5717 @require_file_paths = ();
5719 # Verify that the file must exist in the current directory. Usage:
5720 # require_file (isconfigure, line_number, strictness, file) strictness
5721 # is the strictness level at which this file becomes required. Must
5722 # set require_file_paths before calling this function.
5723 # require_file_paths is set to hold a single directory (the one in
5724 # which the first file was found) before return.
5725 sub require_file_internal
5726 {
5727 local ($is_configure, $line, $mystrict, @files) = @_;
5728 local ($file, $fullfile);
5729 local ($found_it, $errfile, $errdir);
5730 local ($save_dir);
5732 foreach $file (@files)
5733 {
5734 $found_it = 0;
5735 foreach $dir (@require_file_paths)
5736 {
5737 if ($dir eq '.')
5738 {
5739 $fullfile = $relative_dir . "/" . $file;
5740 $errdir = $relative_dir unless $errdir;
5741 }
5742 else
5743 {
5744 $fullfile = $dir . "/" . $file;
5745 $errdir = $dir unless $errdir;
5746 }
5748 # Use different name for "error filename". Otherwise on
5749 # an error the bad file will be reported as eg
5750 # `../../install-sh' when using the default
5751 # config_aux_path.
5752 $errfile = $errdir . '/' . $file;
5754 if (-f $fullfile)
5755 {
5756 $found_it = 1;
5757 # FIXME: Once again, special-case `.'.
5758 &push_dist_common ($file)
5759 if $dir eq $relative_dir || $dir eq '.';
5760 $save_dir = $dir;
5761 last;
5762 }
5763 }
5765 if ($found_it)
5766 {
5767 # Prune the path list.
5768 @require_file_paths = $save_dir;
5769 }
5770 else
5771 {
5772 if ($strictness >= $mystrict)
5773 {
5774 local ($trailer) = '';
5775 local ($suppress) = 0;
5777 # Only install missing files according to our desired
5778 # strictness level.
5779 if ($add_missing)
5780 {
5781 $suppress = 1;
5783 # Maybe run libtoolize.
5784 if ($seen_libtool
5785 && grep ($_ eq $file, @libtoolize_files)
5786 && system ('libtoolize', '--automake'))
5787 {
5788 $trailer = "; installing";
5789 $suppress = 0;
5790 $trailer .= "; cannot run \`libtoolize': $!";
5791 }
5792 elsif (-f ($am_dir . '/' . $file))
5793 {
5794 # Install the missing file. Symlink if we
5795 # can, copy if we must. Note: delete the file
5796 # first, in case it is a dangling symlink.
5797 $trailer = "; installing";
5798 unlink ($errfile);
5799 if ($symlink_exists)
5800 {
5801 if (! symlink ($am_dir . '/' . $file, $errfile))
5802 {
5803 $suppress = 0;
5804 $trailer .= "; error while making link: $!\n";
5805 }
5806 }
5807 elsif (! system ('cp', $am_dir . '/' . $file, $errfile))
5808 {
5809 $suppress = 0;
5810 $trailer .= "\n error while making link\n";
5811 }
5812 }
5813 }
5815 local ($save) = $exit_status;
5816 if ($is_configure)
5817 {
5818 # FIXME: allow actual file to be specified.
5819 &am_conf_line_error
5820 ('configure.in', $line,
5821 "required file \"$errfile\" not found$trailer");
5822 }
5823 else
5824 {
5825 &am_line_error
5826 ($line,
5827 "required file \"$errfile\" not found$trailer");
5828 }
5829 $exit_status = $save if $suppress;
5830 }
5831 }
5832 }
5833 }
5835 # Like require_file_with_line, but error messages refer to
5836 # configure.in, not the current Makefile.am.
5837 sub require_file_with_conf_line
5838 {
5839 @require_file_paths = '.';
5840 &require_file_internal (1, @_);
5841 }
5843 sub require_file_with_line
5844 {
5845 @require_file_paths = '.';
5846 &require_file_internal (0, @_);
5847 }
5849 sub require_file
5850 {
5851 @require_file_paths = '.';
5852 &require_file_internal (0, '', @_);
5853 }
5855 # Require a file that is also required by Autoconf. Looks in
5856 # configuration path, as specified by AC_CONFIG_AUX_DIR.
5857 sub require_config_file
5858 {
5859 @require_file_paths = @config_aux_path;
5860 &require_file_internal (1, '', @_);
5861 local ($dir) = $require_file_paths[0];
5862 @config_aux_path = @require_file_paths;
5863 if ($dir eq '.')
5864 {
5865 $config_aux_dir = '.';
5866 }
5867 else
5868 {
5869 $config_aux_dir = '$(top_srcdir)/' . $dir;
5870 }
5871 }
5873 # Assumes that the line number is in Makefile.am.
5874 sub require_conf_file_with_line
5875 {
5876 @require_file_paths = @config_aux_path;
5877 &require_file_internal (0, @_);
5878 local ($dir) = $require_file_paths[0];
5879 @config_aux_path = @require_file_paths;
5880 if ($dir eq '.')
5881 {
5882 $config_aux_dir = '.';
5883 }
5884 else
5885 {
5886 $config_aux_dir = '$(top_srcdir)/' . $dir;
5887 }
5888 }
5890 # Assumes that the line number is in Makefile.am.
5891 sub require_conf_file_with_conf_line
5892 {
5893 @require_file_paths = @config_aux_path;
5894 &require_file_internal (1, @_);
5895 local ($dir) = $require_file_paths[0];
5896 @config_aux_path = @require_file_paths;
5897 if ($dir eq '.')
5898 {
5899 $config_aux_dir = '.';
5900 }
5901 else
5902 {
5903 $config_aux_dir = '$(top_srcdir)/' . $dir;
5904 }
5905 }
5907 ################################################################
5909 # Push a list of files onto dist_common.
5910 sub push_dist_common
5911 {
5912 local (@files) = @_;
5913 local ($file);
5915 foreach $file (@files)
5916 {
5917 $dist_common{$file} = 1;
5918 }
5919 }
5921 # Push a list of clean targets onto phony.
5922 sub push_phony_cleaners
5923 {
5924 local ($base) = @_;
5925 local ($target);
5926 foreach $target ('mostly', 'dist', '', 'maintainer-')
5927 {
5928 push (@phony, $target . 'clean-' . $base);
5929 }
5930 }
5932 # Set strictness.
5933 sub set_strictness
5934 {
5935 $strictness_name = $_[0];
5936 if ($strictness_name eq 'gnu')
5937 {
5938 $strictness = $GNU;
5939 }
5940 elsif ($strictness_name eq 'gnits')
5941 {
5942 $strictness = $GNITS;
5943 }
5944 elsif ($strictness_name eq 'foreign')
5945 {
5946 $strictness = $FOREIGN;
5947 }
5948 else
5949 {
5950 die "automake: level \`$strictness_name' not recognized\n";
5951 }
5952 }
5955 ################################################################
5957 # Return directory name of file.
5958 sub dirname
5959 {
5960 local ($file) = @_;
5961 local ($sub);
5963 ($sub = $file) =~ s,/+[^/]+$,,g;
5964 $sub = '.' if $sub eq $file;
5965 return $sub;
5966 }
5968 # Return file name of a file.
5969 sub basename
5970 {
5971 local ($file) = @_;
5972 local ($sub);
5974 ($sub = $file) =~s,^.*/+,,g;
5975 return $sub;
5976 }
5978 # Touch a file.
5979 sub touch
5980 {
5981 local ($file) = @_;
5983 open (TOUCH, ">> $file");
5984 close (TOUCH);
5985 }
5987 # Glob something. Do this to avoid indentation screwups everywhere we
5988 # want to glob. Gross!
5989 sub my_glob
5990 {
5991 local ($pat) = @_;
5992 return <${pat}>;
5993 }
5995 ################################################################
5997 # Print an error message and set exit status.
5998 sub am_error
5999 {
6000 warn "automake: ${am_file}.am: ", join (' ', @_), "\n";
6001 $exit_status = 1;
6002 }
6004 sub am_line_error
6005 {
6006 local ($symbol, @args) = @_;
6008 if ($symbol && "$symbol" ne '-1')
6009 {
6010 # If SYMBOL not already a line number, look it up in Makefile.am.
6011 if ($symbol =~ /^\d+$/)
6012 {
6013 $symbol .= ': ';
6014 }
6015 elsif (defined $content_lines{$symbol})
6016 {
6017 $symbol = $content_lines{$symbol} . ': ';
6018 }
6019 else
6020 {
6021 # A single space, to provide nice separation.
6022 $symbol = ' ';
6023 }
6024 warn "${am_file}.am:", $symbol, join (' ', @args), "\n";
6025 $exit_status = 1;
6026 }
6027 else
6028 {
6029 &am_error (@args);
6030 }
6031 }
6033 # Like am_error, but while scanning configure.in.
6034 sub am_conf_error
6035 {
6036 # FIXME: can run in subdirs.
6037 warn "automake: configure.in: ", join (' ', @_), "\n";
6038 $exit_status = 1;
6039 }
6041 # Error message with line number referring to configure.in.
6042 sub am_conf_line_error
6043 {
6044 local ($file, $line, @args) = @_;
6046 if ($line)
6047 {
6048 warn "$file: $line: ", join (' ', @args), "\n";
6049 $exit_status = 1;
6050 }
6051 else
6052 {
6053 &am_conf_error (@args);
6054 }
6055 }
6057 # Tell user where our aclocal.m4 is, but only once.
6058 sub keyed_aclocal_warning
6059 {
6060 local ($key) = @_;
6061 warn "automake: macro \`$key' can be generated by \`aclocal'\n";
6062 }
6064 # Print usage information.
6065 sub usage
6066 {
6067 print "Usage: automake [OPTION] ... [Makefile]...\n\n";
6068 print "Generate Makefile.in for autoconf from Makefile.am\n";
6069 print $USAGE;
6070 print "\nFiles which are automatically distributed, if found:\n";
6071 $~ = "USAGE_FORMAT";
6072 local (@lcomm) = sort ((@common_files, @common_sometimes));
6073 local ($one, $two, $three, $four);
6074 while (@lcomm > 0)
6075 {
6076 $one = shift @lcomm;
6077 $two = @lcomm ? shift @lcomm : '';
6078 $three = @lcomm ? shift @lcomm : '';
6079 $four = @lcomm ? shift @lcomm : '';
6080 write;
6081 }
6083 print "\nReport bugs to <automake-bugs\@gnu.ai.mit.edu>.\n";
6085 exit 0;
6086 }
6088 format USAGE_FORMAT =
6089 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
6090 $one, $two, $three, $four
6091 .