5 eval 'exec @PERL@ -S $0 ${1+"$@"}'
8 # automake - create Makefile.in from Makefile.am
9 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
10 # Free Software Foundation, Inc.
12 # This program is free software; you can redistribute it and/or modify
13 # it under the terms of the GNU General Public License as published by
14 # the Free Software Foundation; either version 2, or (at your option)
17 # This program is distributed in the hope that it will be useful,
18 # but WITHOUT ANY WARRANTY; without even the implied warranty of
19 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 # GNU General Public License for more details.
22 # You should have received a copy of the GNU General Public License
23 # along with this program; if not, write to the Free Software
24 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
27 # Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
28 # Perl reimplementation by Tom Tromey <tromey@cygnus.com>.
34 my $prefix = "@prefix@";
35 my $perllibdir = $ENV{'perllibdir'} || "@datadir@/@PACKAGE@";
36 unshift @INC, "$perllibdir";
40 struct (# Short name of the language (c, f77...).
42 # Nice name of the language (C, Fortran 77...).
45 # List of configure variables which must be defined.
49 # `pure' is `1' or `'. A `pure' language is one where, if
50 # all the files in a directory are of that language, then we
51 # do not require the C compiler or any code to call it.
56 # Name of the compiling variable (COMPILE).
58 # Content of the compiling variable.
60 # Flag to require compilation without linking (-c).
61 'compile_flag' => "\$",
64 # Should the flag be defined as a configure variable.
65 # Defaults to true. FIXME: this should go away once
66 # we move to autoconf tracing.
67 'define_flag' => "\$",
69 # The file to use when generating rules for this language.
70 # The default is 'depend2'.
73 # Name of the linking variable (LINK).
75 # Content of the linking variable.
78 # Name of the linker variable (LD).
80 # Content of the linker variable ($(CC)).
83 # Flag to specify the output file (-o).
84 'output_flag' => "\$",
87 # This is a subroutine which is called whenever we finally
88 # determine the context in which a source file will be
90 '_target_hook' => "\$");
96 if (defined $self->_finish)
102 sub target_hook ($$$$)
105 if (defined $self->_target_hook)
107 &{$self->_target_hook} (@_);
114 use strict 'vars', 'subs';
118 my $me = basename ($0);
125 # Parameters set by configure. Not to be changed. NOTE: assign
126 # VERSION as string so that eg version 0.30 will print correctly.
127 my $VERSION = "@VERSION@";
128 my $PACKAGE = "@PACKAGE@";
129 my $prefix = "@prefix@";
130 my $libdir = "@datadir@/@PACKAGE@";
133 my $IGNORE_PATTERN = '^\s*##([^#\n].*)?\n';
134 my $WHITE_PATTERN = '^\s*$';
135 my $COMMENT_PATTERN = '^#';
136 my $TARGET_PATTERN='[$a-zA-Z_.@][-.a-zA-Z0-9_(){}/$+@]*';
137 # A rule has three parts: a list of targets, a list of dependencies,
138 # and optionally actions.
140 "^($TARGET_PATTERN(?:(?:\\\\\n|\\s)+$TARGET_PATTERN)*) *:([^=].*|)\$";
142 my $SUFFIX_RULE_PATTERN = '^\.([a-zA-Z0-9+]+)\.([a-zA-Z0-9+]+)$';
143 # Only recognize leading spaces, not leading tabs. If we recognize
144 # leading tabs here then we need to make the reader smarter, because
145 # otherwise it will think rules like `foo=bar; \' are errors.
146 my $MACRO_PATTERN = '^[A-Za-z0-9_@]+$';
147 my $ASSIGNMENT_PATTERN = '^ *([^ \t=:+]*)\s*([:+]?)=\s*(.*)$';
148 # This pattern recognizes a Gnits version id and sets $1 if the
149 # release is an alpha release. We also allow a suffix which can be
150 # used to extend the version number with a "fork" identifier.
151 my $GNITS_VERSION_PATTERN = '\d+\.\d+([a-z]|\.\d+)?(-[A-Za-z0-9]+)?';
152 my $IF_PATTERN = '^if\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*)\s*(?:#.*)?$';
153 my $ELSE_PATTERN = '^else(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?$';
154 my $ENDIF_PATTERN = '^endif(?:\s+(!?)\s*([A-Za-z][A-Za-z0-9_]*))?\s*(?:#.*)?$';
155 my $PATH_PATTERN='(\w|[/.-])+';
156 # This will pass through anything not of the prescribed form.
157 my $INCLUDE_PATTERN = ('^include\s+'
158 . '((\$\(top_srcdir\)/' . $PATH_PATTERN . ')'
159 . '|(\$\(srcdir\)/' . $PATH_PATTERN . ')'
160 . '|([^/\$]' . $PATH_PATTERN. '))\s*(#.*)?$');
162 # Some regular expressions. One reason to put them here is that it
163 # makes indentation work better in Emacs.
164 my $AC_CONFIG_AUX_DIR_PATTERN = 'AC_CONFIG_AUX_DIR\(([^)]+)\)';
165 my $AM_INIT_AUTOMAKE_PATTERN = 'AM_INIT_AUTOMAKE\([^,]*,([^,)]+)[,)]';
166 my $AM_PACKAGE_VERSION_PATTERN = '^\s*\[?([^]\s]+)\]?\s*$';
168 # This handles substitution references like ${foo:.a=.b}.
169 my $SUBST_REF_PATTERN = "^([^:]*):([^=]*)=(.*)\$";
171 # Note that there is no AC_PATH_TOOL. But we don't really care.
172 my $AC_CHECK_PATTERN = 'AC_(CHECK|PATH)_(PROG|PROGS|TOOL)\(\[?(\w+)';
173 my $AM_MISSING_PATTERN = 'AM_MISSING_PROG\(\[?(\w+)';
174 # Just check for alphanumeric in AC_SUBST. If you do AC_SUBST(5),
176 my $AC_SUBST_PATTERN = 'AC_SUBST\(\[?(\w+)';
177 my $AM_CONDITIONAL_PATTERN = 'AM_CONDITIONAL\(\[?(\w+)';
178 # Match `-d' as a command-line argument in a string.
179 my $DASH_D_PATTERN = "(^|\\s)-d(\\s|\$)";
181 # Constants to define the "strictness" level.
186 # Values for AC_CANONICAL_*
187 my $AC_CANONICAL_HOST = 1;
188 my $AC_CANONICAL_SYSTEM = 2;
190 # Values indicating when something should be cleaned. Right now we
191 # only need to handle `mostly'- and `dist'-clean; add more as
193 my $MOSTLY_CLEAN = 0;
196 # Files installed by libtoolize.
197 my @libtoolize_files = ('ltmain.sh', 'config.guess', 'config.sub');
198 # ltconfig appears here for compatibility with old versions of libtool.
199 my @libtoolize_sometimes = ('ltconfig', 'ltcf-c.sh', 'ltcf-cxx.sh',
202 # Commonly found files we look for and automatically include in
206 'README', 'THANKS', 'TODO', 'NEWS', 'COPYING', 'COPYING.LIB',
207 'INSTALL', 'ABOUT-NLS', 'ChangeLog', 'configure.ac',
208 'configure.in', 'configure', 'config.guess', 'config.sub',
209 'AUTHORS', 'BACKLOG', 'ABOUT-GNU', 'libversion.in',
210 'mdate-sh', 'mkinstalldirs', 'install-sh', 'texinfo.tex',
211 'ansi2knr.c', 'ansi2knr.1', 'elisp-comp',
212 # ltconfig appears here for compatibility with old versions
214 'ylwrap', 'acinclude.m4', @libtoolize_files, @libtoolize_sometimes,
215 'missing', 'depcomp', 'compile', 'py-compile'
218 # Commonly used files we auto-include, but only sometimes.
219 my @common_sometimes =
221 'aclocal.m4', 'acconfig.h', 'config.h.top',
222 'config.h.bot', 'stamp-h.in', 'stamp-vti'
225 # Copyright on generated Makefile.ins.
226 my $gen_copyright = "\
227 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
228 # Free Software Foundation, Inc.
229 # This Makefile.in is free software; the Free Software Foundation
230 # gives unlimited permission to copy and/or distribute it,
231 # with or without modifications, as long as this notice is preserved.
233 # This program is distributed in the hope that it will be useful,
234 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
235 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
236 # PARTICULAR PURPOSE.
239 # These constants are returned by lang_*_rewrite functions.
240 # LANG_SUBDIR means that the resulting object file should be in a
241 # subdir if the source file is. In this case the file name cannot
242 # have `..' components.
244 my $LANG_PROCESS = 1;
247 # Directories installed during 'install-exec' phase.
266 # Map from obsolete macros to hints for new macros.
267 # If you change this, change the corresponding list in aclocal.in.
268 # FIXME: should just put this into a single file.
269 my %obsolete_macros =
271 'AC_FEATURE_CTYPE' => "use `AC_HEADER_STDC'",
272 'AC_FEATURE_ERRNO' => "add `strerror' to `AC_REPLACE_FUNCS(...)'",
273 'AC_FEATURE_EXIT' => '',
274 'AC_SYSTEM_HEADER' => '',
276 # Note that we do not handle this one, because it is still run
277 # from AM_CONFIG_HEADER. So we deal with it specially in
278 # &scan_autoconf_files.
279 # 'AC_CONFIG_HEADER' => "use `AM_CONFIG_HEADER'",
281 'fp_C_PROTOTYPES' => "use `AM_C_PROTOTYPES'",
282 'fp_PROG_CC_STDC' => "use `AM_PROG_CC_STDC'",
283 'fp_PROG_INSTALL' => "use `AC_PROG_INSTALL'",
284 'fp_WITH_DMALLOC' => "use `AM_WITH_DMALLOC'",
285 'fp_WITH_REGEX' => "use `AM_WITH_REGEX'",
286 'gm_PROG_LIBTOOL' => "use `AM_PROG_LIBTOOL'",
287 'jm_MAINTAINER_MODE' => "use `AM_MAINTAINER_MODE'",
288 'md_TYPE_PTRDIFF_T' => "use `AM_TYPE_PTRDIFF_T'",
289 'ud_PATH_LISPDIR' => "use `AM_PATH_LISPDIR'",
290 'ud_GNU_GETTEXT' => "use `AM_GNU_GETTEXT'",
292 # Now part of autoconf proper, under a different name.
293 'AM_FUNC_FNMATCH' => "use `AC_FUNC_FNMATCH'",
294 'fp_FUNC_FNMATCH' => "use `AC_FUNC_FNMATCH'",
295 'AM_SANITY_CHECK_CC' => "automatically done by `AC_PROG_CC'",
296 'AM_PROG_INSTALL' => "use `AC_PROG_INSTALL'",
297 'AM_EXEEXT' => "automatically done by `AC_PROG_(CC|CXX|F77)'",
298 'AM_CYGWIN32' => "use `AC_CYGWIN'",
299 'AM_MINGW32' => "use `AC_MINGW32'",
300 'AM_FUNC_MKTIME' => "use `AC_FUNC_MKTIME'",
302 # These aren't quite obsolete.
306 # Regexp to match the above macros.
307 my $obsolete_rx = '\b(' . join ('|', keys %obsolete_macros) . ')\b';
311 ## ---------------------------------- ##
312 ## Variables related to the options. ##
313 ## ---------------------------------- ##
315 # TRUE if we should always generate Makefile.in.
316 my $force_generation = 1;
318 # Strictness level as set on command line.
319 my $default_strictness = $GNU;
321 # Name of strictness level, as set on command line.
322 my $default_strictness_name = 'gnu';
324 # This is TRUE if automatic dependency generation code should be
325 # included in generated Makefile.in.
326 my $cmdline_use_dependencies = 1;
328 # TRUE if in verbose mode.
331 # This holds our (eventual) exit status. We don't actually exit until
332 # we have processed all input files.
335 # From the Perl manual.
336 my $symlink_exists = (eval 'symlink ("", "");', $@ eq '');
338 # TRUE if missing standard files should be installed.
341 # TRUE if we should copy missing files; otherwise symlink if possible.
342 my $copy_missing = 0;
344 # TRUE if we should always update files that we know about.
345 my $force_missing = 0;
348 ## ---------------------------------------- ##
349 ## Variables filled during files scanning. ##
350 ## ---------------------------------------- ##
352 # Name of the top autoconf input: `configure.ac' or `configure.in'.
353 my $configure_ac = '';
355 # Files found by scanning configure.ac for LIBOBJS.
358 # True if AM_C_PROTOTYPES appears in configure.ac.
359 my $am_c_prototypes = 0;
361 # Names used in AC_CONFIG_HEADER call. @config_fullnames holds the
362 # name which appears in AC_CONFIG_HEADER, colon and all.
363 # @config_names holds the file names. @config_headers holds the '.in'
364 # files. Ordinarily these are similar, but they can be different if
365 # the weird "NAME:FILE" syntax is used.
366 my @config_fullnames = ();
367 my @config_names = ();
368 my @config_headers = ();
369 # Line number at which AC_CONFIG_HEADER appears in configure.ac.
370 my $config_header_line = 0;
372 # Directory where output files go. Actually, output files are
373 # relative to this directory.
374 my $output_directory = '.';
376 # List of Makefile.am's to process, and their corresponding outputs.
377 my @input_files = ();
378 my %output_files = ();
380 # Complete list of Makefile.am's that exist.
381 my @configure_input_files = ();
383 # List of files in AC_OUTPUT without Makefile.am, and their outputs.
384 my @other_input_files = ();
385 # Line number at which AC_OUTPUT seen.
386 my $ac_output_line = 0;
388 # List of directories to search for configure-required files. This
389 # can be set by AC_CONFIG_AUX_DIR.
390 my @config_aux_path = ('.', '..', '../..');
391 my $config_aux_dir = '';
392 my $config_aux_dir_set_in_configure_in = 0;
394 # Whether AM_GNU_GETTEXT has been seen in configure.ac.
395 my $seen_gettext = 0;
396 # Line number at which AM_GNU_GETTEXT seen.
397 my $ac_gettext_line = 0;
399 # TRUE if AC_DECL_YYTEXT was seen.
400 my $seen_decl_yytext = 0;
402 # TRUE if we've seen AC_CANONICAL_(HOST|SYSTEM). The presence of
403 # AC_CHECK_TOOL also sets this.
404 my $seen_canonical = 0;
406 # TRUE if we've seen AC_PROG_LIBTOOL.
407 my $seen_libtool = 0;
408 my $libtool_line = 0;
410 # TRUE if we've seen AM_MAINTAINER_MODE.
411 my $seen_maint_mode = 0;
413 # Actual version we've seen.
414 my $package_version = '';
416 # Line number where we saw version definition.
417 my $package_version_line = 0;
419 # TRUE if we've seen AM_PATH_LISPDIR.
420 my $seen_lispdir = 0;
422 # TRUE if we've seen AM_PATH_PYTHON.
423 my $seen_pythondir = 0;
425 # TRUE if we've seen AC_ENABLE_MULTILIB.
426 my $seen_multilib = 0;
428 # TRUE if we've seen AM_PROG_CC_C_O
431 # TRUE if we've seen AM_INIT_AUTOMAKE.
432 my $seen_init_automake = 0;
434 # Hash table of discovered configure substitutions. Keys are names,
435 # values are `FILE:LINE' strings which are used by error message
437 my %configure_vars = ();
439 # This is used to keep track of which variable definitions we are
440 # scanning. It is only used in certain limited ways, but it has to be
441 # global. It is declared just for documentation purposes.
442 my %vars_scanned = ();
444 # TRUE if --cygnus seen.
447 # Hash table of AM_CONDITIONAL variables seen in configure.
448 my %configure_cond = ();
450 # This maps extensions onto language names.
451 my %extension_map = ();
453 # List of the DIST_COMMON files we discovered while reading
455 my $configure_dist_common = '';
457 # This maps languages names onto objects.
460 # List of targets we must always output.
461 # FIXME: Complete, and remove falsely required targets.
462 my %required_targets =
473 # FIXME: Not required, temporary hacks.
474 # Well, actually they are sort of required: the -recursive
475 # targets will run them anyway...
478 'install-data-am' => 1,
479 'install-exec-am' => 1,
480 'installcheck-am' => 1,
488 ################################################################
490 ## ------------------------------------------ ##
491 ## Variables reset by &initialize_per_input. ##
492 ## ------------------------------------------ ##
494 # Basename and relative dir of the input file.
498 # Same but wrt Makefile.in.
502 # These two variables are used when generating each Makefile.in.
503 # They hold the Makefile.in until it is ready to be printed.
510 # Suffixes found during a run.
513 # Handling the variables.
516 # - $var_value{$VAR}{$COND} is its value associated to $COND,
517 # - $var_line{$VAR} is where it has been defined,
518 # - $var_comment{$VAR} are the comments associated to it.
519 # - $var_type{$VAR} is how it has been defined (`', `+', or `:'),
520 # - $var_is_am{$VAR} is true if the variable is owned by Automake.
527 # This holds a 1 if a particular variable was examined.
530 # This holds the names which are targets. These also appear in
534 # Same as %VAR_VALUE, but for targets.
535 my %target_conditional;
537 # This is the conditional stack.
540 # This holds the set of included files.
543 # This holds a list of directories which we must create at `dist'
544 # time. This is used in some strange scenarios involving weird
545 # AC_OUTPUT commands.
548 # List of dependencies for the obvious targets.
553 # Holds the dependencies of targets which dependencies are factored.
554 # Typically, `.PHONY' will appear in plenty of *.am files, but must
555 # be output once. Arguably all pure dependencies could be subject
556 # to this factorization, but it is not unpleasant to have paragraphs
557 # in Makefile: keeping related stuff altogether.
560 # Holds the factored actions. Tied to %DEPENDENCIES, i.e., filled
561 # only when keys exists in %DEPENDENCIES.
564 # A list of files deleted by `maintainer-clean'.
565 my @maintainer_clean_files;
567 # Keys in this hash table are object files or other files in
568 # subdirectories which need to be removed. This only holds files
569 # which are created by compilations. The value in the hash indicates
570 # when the file should be removed.
571 my %compile_clean_files;
573 # Value of `$(SOURCES)', used by tags.am.
575 # Sources which go in the distribution.
578 # This hash maps object file names onto their corresponding source
579 # file names. This is used to ensure that each object is created
580 # by a single source file.
583 # This keeps track of the directories for which we've already
584 # created `.dirstamp' code.
594 # Options from AUTOMAKE_OPTIONS.
597 # Whether or not dependencies are handled. Can be further changed
599 my $use_dependencies;
601 # This is a list of all targets to run during "make dist".
604 # Keys in this hash are the basenames of files which must depend
608 # This maps the source extension of a suffix rule to its
609 # corresponding output extension.
612 # This is the name of the redirect `all' target to use.
615 # This keeps track of which extensions we've seen (that we care
619 # This is random scratch space for the language finish functions.
620 # Don't randomly overwrite it; examine other uses of keys first.
621 my %language_scratch;
623 # We keep track of which objects need special (per-executable)
624 # handling on a per-language basis.
625 my %lang_specific_files;
627 # This is set when `handle_dist' has finished. Once this happens,
628 # we should no longer push on dist_common.
631 # Used to store a set of linkers needed to generate the sources currently
632 # under consideration.
635 # True if we need `LINK' defined. This is a hack.
638 # This is the list of such variables to output.
639 # FIXME: Might be useless actually.
642 # Was get_object_extension run?
643 # FIXME: This is a hack. a better switch should be found.
644 my $get_object_extension_was_run;
646 # Contains a stack of `from' parts of variable substitutions currently in
650 # Contains a stack of `to' parts of variable substitutions currently in
654 # Associates a variable name, together with a list of substitutions to be
655 # performed on it, with a number. Used to provide unique names for generated
659 ## --------------------------------- ##
660 ## Forward subroutine declarations. ##
661 ## --------------------------------- ##
662 sub register_language (%);
663 sub file_contents_internal ($$%);
664 sub define_objects_from_sources ($$$$$$$);
667 # &initialize_per_input ()
668 # ------------------------
669 # (Re)-Initialize per-Makefile.am variables.
670 sub initialize_per_input ()
673 $am_relative_dir = '';
680 $output_trailer = '';
696 %target_conditional = ();
704 $am_relative_dir = '';
720 # Installing/uninstalling.
721 'install-data-am' => [],
722 'install-exec-am' => [],
723 'uninstall-am' => [],
726 'uninstall-man' => [],
728 'install-info' => [],
729 'install-info-am' => [],
730 'uninstall-info' => [],
732 'installcheck-am' => [],
736 'mostlyclean-am' => [],
737 'maintainer-clean-am' => [],
738 'distclean-am' => [],
741 'maintainer-clean' => [],
752 @maintainer_clean_files = ();
763 $strictness = $default_strictness;
764 $strictness_name = $default_strictness_name;
768 $use_dependencies = $cmdline_use_dependencies;
778 %extension_seen = ();
780 %language_scratch = ();
782 %lang_specific_files = ();
784 $handle_dist_run = 0;
790 $get_object_extension_was_run = 0;
792 %compile_clean_files = ();
796 ################################################################
798 # Initialize our list of languages that are internally supported.
801 register_language ('name' => 'c',
803 'config_vars' => ['CC'],
807 'compiler' => 'COMPILE',
808 'compile' => '$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)',
812 'link' => '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
813 'compile_flag' => '-c',
814 'extensions' => ['c'],
815 '_finish' => \&lang_c_finish);
818 register_language ('name' => 'cxx',
820 'config_vars' => ['CXX'],
821 'linker' => 'CXXLINK',
822 'link' => '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
824 'flags' => 'CXXFLAGS',
825 'compile' => '$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)',
826 'compiler' => 'CXXCOMPILE',
827 'compile_flag' => '-c',
828 'output_flag' => '-o',
832 'extensions' => ['c++', 'cc', 'cpp', 'cxx', 'C']);
835 register_language ('name' => 'objc',
836 'Name' => 'Objective C',
837 'config_vars' => ['OBJC'],
838 'linker' => 'OBJCLINK',,
839 'link' => '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
841 'flags' => 'OBJCFLAGS',
842 'compile' => '$(OBJC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)',
843 'compiler' => 'OBJCCOMPILE',
844 'compile_flag' => '-c',
845 'output_flag' => '-o',
849 'extensions' => ['m']);
852 register_language ('name' => 'header',
854 'extensions' => ['h', 'H', 'hxx', 'h++', 'hh', 'hpp', 'inc'],
856 '_finish' => sub { });
859 register_language ('name' => 'yacc',
861 'config_vars' => ['YACC'],
864 'compile' => '$(YACC) $(YFLAGS) $(AM_YFLAGS)',
865 'compiler' => 'YACCCOMPILE',
866 'extensions' => ['y'],
867 'rule_file' => 'yacc',
868 '_finish' => \&lang_yacc_finish,
869 '_target_hook' => \&lang_yacc_target_hook);
870 register_language ('name' => 'yaccxx',
871 'Name' => 'Yacc (C++)',
872 'config_vars' => ['YACC'],
873 'rule_file' => 'yacc',
876 'compiler' => 'YACCCOMPILE',
877 'compile' => '$(YACC) $(YFLAGS) $(AM_YFLAGS)',
878 'extensions' => ['y++', 'yy', 'yxx', 'ypp'],
879 '_finish' => \&lang_yacc_finish,
880 '_target_hook' => \&lang_yacc_target_hook);
883 register_language ('name' => 'lex',
885 'config_vars' => ['LEX'],
886 'rule_file' => 'lex',
889 'compile' => '$(LEX) $(LFLAGS) $(AM_LFLAGS)',
890 'compiler' => 'LEXCOMPILE',
891 'extensions' => ['l'],
892 '_finish' => \&lang_lex_finish);
893 register_language ('name' => 'lexxx',
894 'Name' => 'Lex (C++)',
895 'config_vars' => ['LEX'],
896 'rule_file' => 'lex',
899 'compile' => '$(LEX) $(LFLAGS) $(AM_LFLAGS)',
900 'compiler' => 'LEXCOMPILE',
901 'extensions' => ['l++', 'll', 'lxx', 'lpp'],
902 '_finish' => \&lang_lex_finish);
905 register_language ('name' => 'asm',
906 'Name' => 'Assembler',
907 'config_vars' => ['AS', 'ASFLAGS'],
909 'flags' => 'ASFLAGS',
910 # Users can set AM_ASFLAGS to includes DEFS, INCLUDES,
911 # or anything else required. They can also set AS.
912 'compile' => '$(AS) $(AM_ASFLAGS) $(ASFLAGS)',
913 'compiler' => 'ASCOMPILE',
914 'compile_flag' => '-c',
915 'extensions' => ['s', 'S'],
917 # With assembly we still use the C linker.
918 '_finish' => \&lang_c_finish);
921 register_language ('name' => 'f77',
922 'Name' => 'Fortran 77',
923 'linker' => 'F77LINK',
924 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
926 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS)',
927 'compiler' => 'F77COMPILE',
928 'compile_flag' => '-c',
929 'output_flag' => '-o',
933 'extensions' => ['f', 'for', 'f90']);
935 # Preprocessed Fortran 77
937 # The current support for preprocessing Fortran 77 just involves
938 # passing `$(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS)
939 # $(CPPFLAGS)' as additional flags to the Fortran 77 compiler, since
940 # this is how GNU Make does it; see the `GNU Make Manual, Edition 0.51
941 # for `make' Version 3.76 Beta' (specifically, from info file
942 # `(make)Catalogue of Rules').
944 # A better approach would be to write an Autoconf test
945 # (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
946 # Fortran 77 compilers know how to do preprocessing. The Autoconf
947 # macro AC_PROG_FPP should test the Fortran 77 compiler first for
948 # preprocessing capabilities, and then fall back on cpp (if cpp were
950 register_language ('name' => 'ppf77',
951 'Name' => 'Preprocessed Fortran 77',
952 'config_vars' => ['F77'],
953 'linker' => 'F77LINK',
954 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
958 'compiler' => 'PPF77COMPILE',
959 'compile' => '$(F77) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)',
960 'compile_flag' => '-c',
961 'output_flag' => '-o',
963 'extensions' => ['F']);
966 register_language ('name' => 'ratfor',
968 'config_vars' => ['F77'],
969 'linker' => 'F77LINK',
970 'link' => '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
975 'compile' => '$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)',
976 'compiler' => 'RCOMPILE',
977 'compile_flag' => '-c',
978 'output_flag' => '-o',
980 'extensions' => ['r']);
983 register_language ('name' => 'java',
985 'config_vars' => ['GCJ'],
986 'linker' => 'GCJLINK',
987 'link' => '$(GCJLD) $(AM_GCJFLAGS) $(GCJFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@',
989 'flags' => 'GCJFLAGS',
990 'compile' => '$(GCJ) $(AM_GCJFLAGS) $(GCJFLAGS)',
991 'compiler' => 'GCJCOMPILE',
992 'compile_flag' => '-c',
993 'output_flag' => '-o',
997 'extensions' => ['java', 'class', 'zip', 'jar']);
999 ################################################################
1001 # Parse command line.
1004 # Do configure.ac scan only once.
1005 &scan_autoconf_files;
1007 die "$me: no `Makefile.am' found or specified\n"
1010 # Now do all the work on each file.
1011 # This guy must be local otherwise it's private to the loop.
1012 use vars '$am_file';
1014 foreach $am_file (@input_files)
1016 if (! -f ($am_file . '.am'))
1018 &am_error ("`" . $am_file . ".am' does not exist");
1022 &generate_makefile ($output_files{$am_file}, $am_file);
1028 # FIXME: This should be `my'ed next to its subs.
1029 use vars '%require_file_found';
1031 ################################################################
1033 # prog_error (@PRINT-ME)
1034 # ----------------------
1035 # Signal a programming error, display PRINT-ME, and exit 1.
1038 print STDERR "$me: programming error: @_\n";
1046 # Return LIST with no duplicates.
1051 foreach my $item (@_)
1053 if (! defined $seen{$item})
1064 # Return a configure-style substitution using the indicated text.
1065 # We do this to avoid having the substitutions directly in automake.in;
1066 # when we do that they are sometimes removed and this causes confusion
1071 return '@' . $text . '@';
1074 ################################################################
1078 # &backname ($REL-DIR)
1079 # --------------------
1080 # If I `cd $REL-DIR', then to come back, I should `cd $BACKPATH'.
1081 # For instance `src/foo' => `../..'.
1082 # Works with non strictly increasing paths, i.e., `src/../lib' => `..'.
1087 foreach (split (/\//, $file))
1089 next if $_ eq '.' || $_ eq '';
1099 return join ('/', @res) || '.';
1102 ################################################################
1104 # Parse command line.
1105 sub parse_arguments ()
1108 &set_strictness ('gnu');
1111 Getopt::Long::config ("bundling");
1112 Getopt::Long::GetOptions
1114 'version' => \&version,
1116 'libdir:s' => \$libdir,
1117 'gnu' => sub { &set_strictness ('gnu'); },
1118 'gnits' => sub { &set_strictness ('gnits'); },
1119 'cygnus' => \$cygnus_mode,
1120 'foreign' => sub { &set_strictness ('foreign'); },
1121 'include-deps' => sub { $cmdline_use_dependencies = 1; },
1122 'i|ignore-deps' => sub { $cmdline_use_dependencies = 0; },
1123 'no-force' => sub { $force_generation = 0; },
1124 'f|force-missing'=> \$force_missing,
1125 'o|output-dir:s' => \$output_directory,
1126 'a|add-missing' => \$add_missing,
1127 'c|copy' => \$copy_missing,
1128 'v|verbose' => \$verbose,
1129 'Werror' => sub { $SIG{"__WARN__"} = sub { die $_[0] } },
1130 'Wno-error' => sub { $SIG{"__WARN__"} = 'DEFAULT' }
1134 foreach my $arg (@ARGV)
1136 # Handle $local:$input syntax. Note that we only examine the
1137 # first ":" file to see if it is automake input; the rest are
1138 # just taken verbatim. We still keep all the files around for
1139 # dependency checking, however.
1140 my ($local, $input, @rest) = split (/:/, $arg);
1147 # Strip .in; later on .am is tacked on. That is how the
1148 # automake input file is found. Maybe not the best way, but
1149 # it is easy to explain.
1151 or die "$me: invalid input file name `$arg'\n.";
1153 push (@input_files, $input);
1154 $output_files{$input} = join (':', ($local, @rest));
1157 # Take global strictness from whatever we currently have set.
1158 $default_strictness = $strictness;
1159 $default_strictness_name = $strictness_name;
1162 ################################################################
1164 # Generate a Makefile.in given the name of the corresponding Makefile and
1165 # the name of the file output by config.status.
1166 sub generate_makefile
1168 my ($output, $makefile) = @_;
1170 # Reset all the Makefile.am related variables.
1171 &initialize_per_input;
1173 # Name of input file ("Makefile.am") and output file
1174 # ("Makefile.in"). These have no directory components.
1175 $am_file_name = basename ($makefile) . '.am';
1176 $in_file_name = basename ($makefile) . '.in';
1178 # $OUTPUT is encoded. If it contains a ":" then the first element
1179 # is the real output file, and all remaining elements are input
1180 # files. We don't scan or otherwise deal with these input file,
1181 # other than to mark them as dependencies. See
1182 # &scan_autoconf_files for details.
1183 my (@secondary_inputs);
1184 ($output, @secondary_inputs) = split (/:/, $output);
1186 $relative_dir = dirname ($output);
1187 $am_relative_dir = dirname ($makefile);
1189 &read_main_am_file ($makefile . '.am');
1190 if (&handle_options)
1192 # Fatal error. Just return, so we can continue with next file.
1196 # There are a few install-related variables that you should not define.
1197 foreach my $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
1199 if (&variable_defined ($var) && !$var_is_am{$var})
1201 &am_line_error ($var, "`$var' should not be defined");
1207 # At the toplevel directory, we might need config.guess, config.sub
1208 # or libtool scripts (ltconfig and ltmain.sh).
1209 if ($relative_dir eq '.')
1211 # AC_CANONICAL_HOST and AC_CANONICAL_SYSTEM need config.guess and
1213 &require_config_file ($FOREIGN, 'config.guess', 'config.sub')
1217 # We still need Makefile.in here, because sometimes the `dist'
1218 # target doesn't re-run automake.
1219 if ($am_relative_dir eq $relative_dir)
1221 # Only distribute the files if they are in the same subdir as
1222 # the generated makefile.
1223 &push_dist_common ($in_file_name, $am_file_name);
1226 push (@sources, '$(SOURCES)')
1227 if &variable_defined ('SOURCES');
1229 # Must do this after reading .am file. See read_main_am_file to
1230 # understand weird tricks we play there with variables.
1231 &define_variable ('subdir', $relative_dir);
1233 # Check first, because we might modify some state.
1235 &check_gnu_standards;
1236 &check_gnits_standards;
1238 &handle_configure ($output, $makefile, @secondary_inputs);
1241 &handle_ltlibraries;
1245 # This must run first so that the ANSI2KNR definition is generated
1246 # before it is used by the _.c rules. We have to do this because
1247 # a variable which is used in a dependency must be defined before
1248 # the target, or else make won't properly see it.
1250 # This must be run after all the sources are scanned.
1253 # Re-init SOURCES. FIXME: other code shouldn't depend on this
1254 # (but currently does).
1255 macro_define ('SOURCES', 1, '', 'TRUE',
1256 join (' ', @sources), 'internal');
1257 &define_pretty_variable ('DIST_SOURCES', '', @dist_sources);
1269 &handle_minor_options;
1272 # This must come after most other rules.
1273 &handle_dist ($makefile);
1276 &do_check_merge_target;
1277 &handle_all ($output);
1280 if (&variable_defined('lib_LTLIBRARIES') &&
1281 &variable_defined('bin_PROGRAMS'))
1283 $output_rules .= "install-binPROGRAMS: install-libLTLIBRARIES\n\n";
1286 &handle_installdirs;
1288 &handle_factored_dependencies;
1292 if (! -d ($output_directory . '/' . $am_relative_dir))
1294 mkdir ($output_directory . '/' . $am_relative_dir, 0755);
1297 my ($out_file) = $output_directory . '/' . $makefile . ".in";
1298 if (! $force_generation && -e $out_file)
1300 my ($am_time) = (stat ($makefile . '.am'))[9];
1301 my ($in_time) = (stat ($out_file))[9];
1302 # FIXME: should cache these times.
1303 my ($conf_time) = (stat ($configure_ac))[9];
1304 # FIXME: how to do unsigned comparison?
1305 if ($am_time < $in_time || $am_time < $conf_time)
1307 # No need to update.
1310 if (-f 'aclocal.m4')
1312 my ($acl_time) = (stat _)[9];
1313 return if ($am_time < $acl_time);
1317 my $gm_file = new IO::File "> $out_file";
1320 warn "$me: ${am_file}.in: cannot write: $!\n";
1324 print "$me: creating ", $makefile, ".in\n" if $verbose;
1326 # In case we're running under MSWindows, don't write with CRLF
1327 # (as it causes problems for the dependency-file extraction in
1328 # AM_OUTPUT_DEPENDENCY_COMMANDS).
1331 print $gm_file $output_vars;
1332 # We make sure that `all:' is the first target.
1333 print $gm_file $output_all;
1334 print $gm_file $output_header;
1335 print $gm_file $output_rules;
1336 print $gm_file $output_trailer;
1338 if (! $gm_file->close)
1340 warn "$me: $am_file.in: cannot close: $!\n";
1346 ################################################################
1348 # A helper which handles the logic of requiring a version number in
1349 # AUTOMAKE_OPTIONS. Return 1 on error, 0 on success.
1350 sub version_check ($$$$)
1352 my ($rmajor, $rminor, $ralpha, $rfork) = ($1, $2, $3, $4);
1354 &prog_error ("version is incorrect: $VERSION")
1355 if $VERSION !~ /(\d+)\.(\d+)([a-z]?)-?([A-Za-z0-9]+)?/;
1357 my ($tmajor, $tminor, $talpha, $tfork) = ($1, $2, $3, $4);
1362 my $rminorminor = 0;
1363 my $tminorminor = 0;
1365 # Some versions were labelled like `1.4-p3a'. This is the same as
1366 # an alpha release labelled `1.4.3a'. However, a version like
1367 # `1.4g' is the same as `1.4.99g'. Yes, this sucks. Moral:
1368 # always listen to the users.
1369 if ($rfork =~ /p([0-9]+)([a-z]?)/)
1372 # `1.4a-p3b' never existed. But we'll accept it anyway.
1373 $ralpha = $ralpha || $2 || '';
1376 if ($tfork =~ /p([0-9]+)([a-z]?)/)
1379 # `1.4a-p3b' never existed. But we'll accept it anyway.
1380 $talpha = $talpha || $2 || '';
1384 $rminorminor = 99 if $ralpha ne '' && $rminorminor == 0;
1385 $tminorminor = 99 if $talpha ne '' && $tminorminor == 0;
1387 # 2.0 is better than 1.0.
1388 # 1.2 is better than 1.1.
1389 # 1.2a is better than 1.2.
1390 # If we require 3.4n-foo then we require something
1391 # >= 3.4n, with the `foo' fork identifier.
1392 # The $r* variables are what the user specified.
1393 # The $t* variables denote automake itself.
1394 if ($rmajor > $tmajor
1395 || ($rmajor == $tmajor && $rminor > $tminor)
1396 || ($rminor == $tminor && $rminor == $tminor
1397 && $rminorminor > $tminorminor)
1398 || ($rminor == $tminor && $rminor == $tminor
1399 && $rminorminor == $tminorminor
1400 && $ralpha gt $talpha)
1401 || ($rfork ne '' && $rfork ne $tfork))
1403 &am_line_error ('AUTOMAKE_OPTIONS',
1404 "require version $_, but have $VERSION");
1411 # Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
1414 if (&variable_defined ('AUTOMAKE_OPTIONS'))
1416 foreach (&variable_value_as_list_recursive ('AUTOMAKE_OPTIONS', ''))
1419 if ($_ eq 'gnits' || $_ eq 'gnu' || $_ eq 'foreign')
1421 &set_strictness ($_);
1423 elsif ($_ eq 'cygnus')
1427 elsif (/^(.*\/)?ansi2knr$/)
1429 # An option like "../lib/ansi2knr" is allowed. With
1430 # no path prefix, we assume the required programs are
1431 # in this directory. We save the actual option for
1433 $options{'ansi2knr'} = $_;
1435 elsif ($_ eq 'no-installman' || $_ eq 'no-installinfo'
1436 || $_ eq 'dist-shar' || $_ eq 'dist-zip'
1437 || $_ eq 'dist-tarZ' || $_ eq 'dist-bzip2'
1438 || $_ eq 'dejagnu' || $_ eq 'no-texinfo.tex'
1439 || $_ eq 'readme-alpha' || $_ eq 'check-news'
1440 || $_ eq 'subdir-objects' || $_ eq 'nostdinc'
1441 || $_ eq 'no-exeext')
1443 # Explicitly recognize these.
1445 elsif ($_ eq 'no-dependencies')
1447 $use_dependencies = 0;
1449 elsif (/(\d+)\.(\d+)([a-z]?)(-[A-Za-z0-9]+)?/)
1451 # Got a version number.
1452 if (version_check ($1, $2, $3, $4))
1459 &am_line_error ('AUTOMAKE_OPTIONS',
1460 "option `" . $_ . "\' not recognized");
1465 if ($strictness == $GNITS)
1467 $options{'readme-alpha'} = 1;
1468 $options{'check-news'} = 1;
1475 # get_object_extension ($OUT)
1476 # ---------------------------
1477 # Return object extension. Just once, put some code into the output.
1478 # OUT is the name of the output file
1479 sub get_object_extension
1483 # Maybe require libtool library object files.
1484 my $extension = '.$(OBJEXT)';
1485 $extension = '.lo' if ($out =~ /\.la$/);
1487 # Check for automatic de-ANSI-fication.
1488 $extension = '$U' . $extension
1489 if defined $options{'ansi2knr'};
1491 $get_object_extension_was_run = 1;
1497 # Call finish function for each language that was used.
1498 sub handle_languages
1500 if ($use_dependencies)
1502 # Include auto-dep code. Don't include it if DEP_FILES would
1504 if (&saw_sources_p (0) && keys %dep_files)
1506 # Set location of depcomp.
1507 &define_variable ('depcomp', "\$(SHELL) $config_aux_dir/depcomp");
1509 &require_config_file ($FOREIGN, 'depcomp');
1511 my @deplist = sort keys %dep_files;
1513 # We define this as a conditional variable because BSD
1514 # make can't handle backslashes for continuing comments on
1515 # the following line.
1516 &define_pretty_variable ('DEP_FILES', 'AMDEP_TRUE', @deplist);
1518 # Generate each `include' individually. Irix 6 make will
1519 # not properly include several files resulting from a
1520 # variable expansion; generating many separate includes
1522 $output_rules .= "\n";
1523 foreach my $iter (@deplist)
1525 $output_rules .= (subst ('AMDEP_TRUE')
1526 . subst ('am__include')
1528 . subst ('am__quote')
1530 . subst ('am__quote')
1534 $output_rules .= &file_contents ('depend');
1539 &define_variable ('depcomp', '');
1544 # Is the c linker needed?
1546 foreach my $ext (sort keys %extension_seen)
1548 next unless $extension_map{$ext};
1550 my $lang = $languages{$extension_map{$ext}};
1552 my $rule_file = $lang->rule_file || 'depend2';
1554 # Get information on $LANG.
1555 my $pfx = $lang->autodep;
1556 my $fpfx = ($pfx eq '') ? 'CC' : $pfx;
1558 my $AMDEP = (($use_dependencies && $lang->autodep ne 'no')
1559 ? 'AMDEP' : 'FALSE');
1561 my %transform = ('EXT' => $ext,
1564 'LIBTOOL' => $seen_libtool,
1566 '-c' => $lang->compile_flag || '',
1568 => (count_files_for_language ($lang->name) > 1));
1570 # Generate the appropriate rules for this extension.
1571 if (($use_dependencies && $lang->autodep ne 'no')
1572 || defined $lang->compile)
1574 # Some C compilers don't support -c -o. Use it only if really
1576 my $output_flag = $lang->output_flag || '';
1579 && $lang->flags eq 'CFLAGS'
1580 && defined $options{'subdir-objects'});
1582 # FIXME: this is a temporary hack to compute a possible
1583 # derived extension. This is not used by depend2.am.
1584 (my $der_ext = $ext) =~ tr/yl/cc/;
1586 # Another yacc/lex hack.
1587 my $destfile = '$*.' . $der_ext;
1590 file_contents ($rule_file,
1594 'DERIVED-EXT' => $der_ext,
1602 'COMPILE' => '$(' . $lang->compiler . ')',
1603 'LTCOMPILE' => '$(LT' . $lang->compiler . ')',
1604 '-o' => $output_flag);
1607 # Now include code for each specially handled object with this
1609 my %seen_files = ();
1610 foreach my $file (@{$lang_specific_files{$lang->name}})
1612 my ($derived, $source, $obj, $myext) = split (' ', $file);
1614 # We might see a given object twice, for instance if it is
1615 # used under different conditions.
1616 next if defined $seen_files{$obj};
1617 $seen_files{$obj} = 1;
1619 my $flags = $lang->flags || '';
1620 my $val = "${derived}_${flags}";
1622 &prog_error ("found $lang->name in handle_languages, but compiler not defined")
1623 unless defined $lang->compile;
1625 (my $obj_compile = $lang->compile) =~ s/\(AM_$flags/\($val/;
1626 my $obj_ltcompile = '$(LIBTOOL) --mode=compile ' . $obj_compile;
1628 # We _need_ `-o' for per object rules.
1629 my $output_flag = $lang->output_flag || '-o';
1631 # Generate a transform which will turn suffix targets in
1632 # depend2.am into real targets for the particular objects we
1635 file_contents ($rule_file,
1640 'SOURCE' => $source,
1641 # Use $myext and not `.o' here, in case
1642 # we are actually building a new source
1643 # file -- e.g. via yacc.
1644 'OBJ' => "$obj$myext",
1645 'OBJOBJ' => "$obj.obj",
1646 'LTOBJ' => "$obj.lo",
1648 'COMPILE' => $obj_compile,
1649 'LTCOMPILE' => $obj_ltcompile,
1650 '-o' => $output_flag));
1653 # The rest of the loop is done once per language.
1654 next if defined $done{$lang};
1657 # Load the language dependent Makefile chunks.
1658 my %lang = map { uc ($_) => 0 } keys %languages;
1659 $lang{uc ($lang->name)} = 1;
1660 $output_rules .= file_contents ('lang-compile', %transform, %lang);
1662 # If the source to a program consists entirely of code from a
1663 # `pure' language, for instance C++ for Fortran 77, then we
1664 # don't need the C compiler code. However if we run into
1665 # something unusual then we do generate the C code. There are
1666 # probably corner cases here that do not work properly.
1667 # People linking Java code to Fortran code deserve pain.
1668 $needs_c ||= ! $lang->pure;
1670 define_compiler_variable ($lang)
1671 if ($lang->compile);
1673 define_linker_variable ($lang)
1676 foreach my $var (@{$lang->config_vars})
1678 am_error ($lang->Name
1679 . " source seen but `$var' not defined in"
1680 . " `$configure_ac'")
1681 if !exists $configure_vars{$var};
1684 # The compiler's flag must be a configure variable.
1685 define_configure_variable ($lang->flags)
1686 if defined $lang->flags && $lang->define_flag;
1688 # Call the finisher.
1692 # If the project is entirely C++ or entirely Fortran 77 (i.e., 1
1693 # suffix rule was learned), don't bother with the C stuff. But if
1694 # anything else creeps in, then use it.
1696 if $need_link || scalar keys %suffix_rules > 1;
1700 if (! defined $done{$languages{'c'}})
1702 &define_configure_variable ($languages{'c'}->flags);
1703 &define_compiler_variable ($languages{'c'});
1705 define_linker_variable ($languages{'c'});
1709 # Check to make sure a source defined in LIBOBJS is not explicitly
1710 # mentioned. This is a separate function (as opposed to being inlined
1711 # in handle_source_transform) because it isn't always appropriate to
1713 sub check_libobjs_sources
1715 my ($one_file, $unxformed) = @_;
1717 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
1718 'dist_EXTRA_', 'nodist_EXTRA_')
1721 if (&variable_defined ($prefix . $one_file . '_SOURCES'))
1723 @files = &variable_value_as_list_recursive (
1724 ($prefix . $one_file . '_SOURCES'),
1727 elsif ($prefix eq '')
1729 @files = ($unxformed . '.c');
1736 foreach my $file (@files)
1738 if (defined $libsources{$file})
1740 &am_line_error ($prefix . $one_file . '_SOURCES',
1741 "automatically discovered file `$file' should not be explicitly mentioned");
1749 # handle_single_transform_list ($VAR, $TOPPARENT, $DERIVED, $OBJ, @FILES)
1750 # -----------------------------------------------------------------------
1751 # Does much of the actual work for handle_source_transform.
1753 # $VAR is the name of the variable that the source filenames come from
1754 # $TOPPARENT is the name of the _SOURCES variable which is being processed
1755 # $DERIVED is the name of resulting executable or library
1756 # $OBJ is the object extension (e.g., `$U.lo')
1757 # @FILES is the list of source files to transform
1758 # Result is a list of the names of objects
1759 # %linkers_used will be updated with any linkers needed
1760 sub handle_single_transform_list ($$$$@)
1762 my ($var, $topparent, $derived, $obj, @files) = @_;
1764 my $nonansi_obj = $obj;
1765 $nonansi_obj =~ s/\$U//g;
1767 # Turn sources into objects. We use a while loop like this
1768 # because we might add to @files in the loop.
1769 while (scalar @files > 0)
1773 # Configure substitutions in _SOURCES variables are errors.
1776 &am_line_error ($var, "`$var' includes configure substitution `$_', and is referred to from `$topparent': configure substitutions not allowed in _SOURCES variables");
1780 # If the source file is in a subdirectory then the `.o' is put
1781 # into the current directory, unless the subdir-objects option
1784 # Split file name into base and extension.
1785 next if ! /^(?:(.*)\/)?([^\/]*)\.(.*)$/;
1787 my $directory = $1 || '';
1791 # We must generate a rule for the object if it requires its own flags.
1793 my ($linker, $object);
1795 # This records whether we've seen a derived source file (eg,
1797 my $derived_source = 0;
1799 # This holds the `aggregate context' of the file we are
1800 # currently examining. If the file is compiled with
1801 # per-object flags, then it will be the name of the object.
1802 # Otherwise it will be `AM'. This is used by the target hook
1803 # language function.
1804 my $aggregate = 'AM';
1806 $extension = &derive_suffix ($extension);
1808 if ($extension_map{$extension} &&
1809 ($lang = $languages{$extension_map{$extension}}))
1811 # Found the language, so see what it says.
1812 &saw_extension ($extension);
1814 # Note: computed subr call. The language rewrite function
1815 # should return one of the $LANG_* constants. It could
1816 # also return a list whose first value is such a constant
1817 # and whose second value is a new source extension which
1818 # should be applied. This means this particular language
1819 # generates another source file which we must then process
1821 my $subr = 'lang_' . $lang->name . '_rewrite';
1822 my ($r, $source_extension)
1823 = & $subr ($directory, $base, $extension);
1824 # Skip this entry if we were asked not to process it.
1825 next if $r == $LANG_IGNORE;
1827 # Now extract linker and other info.
1828 $linker = $lang->linker;
1831 if (defined $source_extension)
1833 $this_obj_ext = '.' . $source_extension;
1834 $derived_source = 1;
1838 $this_obj_ext = $obj;
1842 $this_obj_ext = $nonansi_obj;
1844 $object = $base . $this_obj_ext;
1846 if (defined $lang->flags
1847 && &variable_defined ($derived . '_' . $lang->flags))
1849 # We have a per-executable flag in effect for this
1850 # object. In this case we rewrite the object's
1851 # name to ensure it is unique. We also require
1852 # the `compile' program to deal with compilers
1853 # where `-c -o' does not work.
1855 # We choose the name `DERIVED_OBJECT' to ensure
1856 # (1) uniqueness, and (2) continuity between
1857 # invocations. However, this will result in a
1858 # name that is too long for losing systems, in
1859 # some situations. So we provide _SHORTNAME to
1862 my $dname = $derived;
1863 if (&variable_defined ($derived . '_SHORTNAME'))
1865 # FIXME: should use the same conditional as
1866 # the _SOURCES variable. But this is really
1867 # silly overkill -- nobody should have
1868 # conditional shortnames.
1869 $dname = &variable_value ($derived . '_SHORTNAME');
1871 $object = $dname . '-' . $object;
1873 &require_config_file ($FOREIGN, 'compile')
1874 if $lang->name eq 'c';
1876 &prog_error ("$lang->name flags defined without compiler")
1877 if ! defined $lang->compile;
1882 # If rewrite said it was ok, put the object into a
1884 if ($r == $LANG_SUBDIR && $directory ne '')
1886 $object = $directory . '/' . $object;
1889 # If doing dependency tracking, then we can't print
1890 # the rule. If we have a subdir object, we need to
1891 # generate an explicit rule. Actually, in any case
1892 # where the object is not in `.' we need a special
1893 # rule. The per-object rules in this case are
1894 # generated later, by handle_languages.
1895 if ($renamed || $directory ne '')
1897 my $obj_sans_ext = substr ($object, 0,
1898 - length ($this_obj_ext));
1899 my $val = ("$full $obj_sans_ext "
1900 # Only use $this_obj_ext in the derived
1901 # source case because in the other case we
1902 # *don't* want $(OBJEXT) to appear here.
1903 . ($derived_source ? $this_obj_ext : '.o'));
1905 # If we renamed the object then we want to use the
1906 # per-executable flag name. But if this is simply a
1907 # subdir build then we still want to use the AM_ flag
1911 $val = "$derived $val";
1912 $aggregate = $derived;
1919 # Each item on this list is a string consisting of
1920 # four space-separated values: the derived flag prefix
1921 # (eg, for `foo_CFLAGS', it is `foo'), the name of the
1922 # source file, the base name of the output file, and
1923 # the extension for the object file.
1924 push (@{$lang_specific_files{$lang->name}}, $val);
1927 elsif ($extension eq 'o')
1929 # This is probably the result of a direct suffix rule.
1930 # In this case we just accept the rewrite. FIXME:
1931 # this fails if we want libtool objects.
1932 $object = $base . '.' . $extension;
1937 # No error message here. Used to have one, but it was
1939 # FIXME: we could potentially do more processing here,
1940 # perhaps treating the new extension as though it were a
1941 # new source extension (as above). This would require
1942 # more restructuring than is appropriate right now.
1946 if (defined $object_map{$object})
1948 if ($object_map{$object} ne $full)
1950 &am_error ("object `$object' created by `$full' and `$object_map{$object}'");
1954 # Let the language do some special magic if required.
1955 $lang->target_hook ($aggregate, $object, $full);
1957 if ($derived_source)
1959 &prog_error ("$lang->name has automatic dependency tracking")
1960 if $lang->autodep ne 'no';
1961 # Make sure this new source file is handled next. That will
1962 # make it appear to be at the right place in the list.
1963 unshift (@files, $object);
1965 &push_dist_common ($object);
1969 $linkers_used{$linker} = 1;
1971 push (@result, $object);
1973 if (! defined $object_map{$object})
1976 $object_map{$object} = $full;
1978 # If file is in subdirectory, we need explicit
1980 if ($directory ne '' || $renamed)
1982 push (@dep_list, $full);
1985 # If resulting object is in subdir, we need to make
1986 # sure the subdir exists at build time.
1987 if ($object =~ /\//)
1989 # FIXME: check that $DIRECTORY is somewhere in the
1992 # We don't allow `..' in object file names for
1993 # *any* source, not just Java. For Java it just
1994 # doesn't make sense, but in general it is
1995 # a problem because we can't pick a good name for
1997 if ($object =~ /(\/|^)\.\.\//)
1999 &am_error ("`$full' contains `..' component but should not");
2002 # Make sure object is removed by `make mostlyclean'.
2003 $compile_clean_files{$object} = $MOSTLY_CLEAN;
2005 push (@dep_list, &require_build_directory ($directory));
2007 # If we're generating dependencies, we also want
2008 # to make sure that the appropriate subdir of the
2009 # .deps directory is created.
2010 push (@dep_list, &require_build_directory ('$(DEPDIR)/' . $directory))
2011 if ($use_dependencies);
2014 &pretty_print_rule ($object . ':', "\t", @dep_list)
2015 if scalar @dep_list > 0;
2018 # Transform .o or $o file into .P file (for automatic
2020 if ($lang && $lang->autodep ne 'no')
2022 my $depfile = $object;
2023 $depfile =~ s/\.([^.]*)$/.P$1/;
2024 $depfile =~ s/\$\(OBJEXT\)$/o/;
2025 $dep_files{'$(DEPDIR)/' . $depfile} = 1;
2033 # define_objects_from_sources ($VAR, $OBJVAR, $NODEFINE, $ONE_FILE,
2034 # $OBJ, $PARENT, $TOPPARENT)
2035 # ---------------------------------------------------------------------
2036 # Define an _OBJECTS variable for a _SOURCES variable (or subvariable)
2039 # $VAR is the name of the _SOURCES variable
2040 # $OBJVAR is the name of the _OBJECTS
2041 # $NODEFINE is a boolean: if true, $OBJVAR will not be defined (but
2042 # work done to determine the linker will be).
2043 # $ONE_FILE is the canonical (transformed) name of object to build
2044 # $OBJ is the object extension (ie either `.o' or `$o'.
2045 # $PARENT is the variable in which $VAR is used, or $VAR if not applicable.
2046 # $TOPPARENT is the _SOURCES variable being processed.
2048 # Result is a boolean, true if a linker is needed to deal with the objects.
2050 # %linkers_used, %vars_scanned, @substfroms and @substtos should be cleared
2052 # %linkers_used variable will be set to contain the linkers desired.
2053 # %vars_scanned will be used to check for recursive definitions.
2054 # @substfroms and @substtos will be used to keep a stack of variable
2055 # substitutions to be applied.
2057 sub define_objects_from_sources ($$$$$$$)
2059 my ($var, $objvar, $nodefine, $one_file, $obj, $parent, $topparent) = @_;
2061 if (defined $vars_scanned{$var})
2063 &am_line_error ($var, "variable `$var' recursively defined");
2066 $vars_scanned{$var} = 1;
2068 my $needlinker = "";
2069 foreach my $cond (&variable_conditions ($var))
2072 foreach my $val (&variable_value_as_list ($var, $cond, $parent))
2074 if ($val =~ /^\$\{([^}]*)\}$/ || $val =~ /^\$\(([^)]*)\)$/)
2076 # Handle a sub variable
2079 # If the user uses a losing variable name, just ignore it.
2080 # This isn't ideal, but people have requested it.
2081 next if ($subvar =~ /\@.*\@/);
2083 # See if the variable is actually a substitution reference
2086 if ($subvar =~ /$SUBST_REF_PATTERN/o)
2090 ($from = $2) =~ s/(\W)/\\$1/g;
2092 push @substfroms, $from;
2093 push @substtos, $to;
2095 my $subobjvar = &subobjname($subvar);
2096 push (@result, '$('. $subobjvar . ')');
2098 my $temp = define_objects_from_sources ($subvar, $subobjvar,
2099 $nodefine, $one_file,
2100 $obj, $var, $topparent);
2101 $needlinker ||= $temp;
2108 my $substnum=$#substfroms;
2109 while ($substnum >= 0)
2111 $val =~ s/$substfroms[$substnum]$/$substtos[$substnum]/
2112 if defined $substfroms[$substnum];
2117 &handle_single_transform_list ($var, $topparent, $one_file, $obj, $val);
2118 push (@result, @transformed);
2119 $needlinker = "true" if @transformed;
2123 # Define _OBJECTS conditionally.
2124 &define_pretty_variable ($objvar, $cond, (@result))
2128 delete $vars_scanned{$var};
2133 # subobjname ($VARNAME)
2134 # ---------------------------------------------------------------------
2135 # Return a name for an object variable.
2138 # $VARNAME is the name of the variable the object variable is being
2141 # This function also looks at @substfroms and @substtos to determine any
2142 # substitutions to be performed on the object variable.
2144 # The name returned is unique for the combination of $varname and
2145 # substitutions to be performed.
2150 my $substnum=$#substfroms;
2151 while ($substnum >= 0)
2153 if (defined $substfroms[$substnum] &&
2154 ($substfroms[$substnum] || $substtos[$substnum]))
2156 $key .= ":" . $substfroms[$substnum] . "=" . $substtos[$substnum];
2161 my $num = $substnums{$key};
2164 $num = keys(%substnums) + 1;
2165 $substnums{$key} = $num;
2168 return "am__objects_$num";
2172 # Handle SOURCE->OBJECT transform for one program or library.
2174 # canonical (transformed) name of object to build
2175 # actual name of object to build
2176 # object extension (ie either `.o' or `$o'.
2177 # Return result is name of linker variable that must be used.
2178 # Empty return means just use `LINK'.
2179 sub handle_source_transform
2181 # one_file is canonical name. unxformed is given name. obj is
2183 my ($one_file, $unxformed, $obj) = @_;
2187 if (&variable_defined ($one_file . "_OBJECTS"))
2189 &am_line_error ($one_file . '_OBJECTS',
2190 $one_file . '_OBJECTS', 'should not be defined');
2191 # No point in continuing.
2198 foreach my $prefix ('', 'EXTRA_', 'dist_', 'nodist_',
2199 'dist_EXTRA_', 'nodist_EXTRA_')
2201 my $var = $prefix . $one_file . "_SOURCES";
2203 if !variable_defined ($var);
2205 # We are going to define _OBJECTS variables using the prefix.
2206 # Then we glom them all together. So we can't use the null
2207 # prefix here as we need it later.
2208 my $xpfx = ($prefix eq '') ? 'am_' : $prefix;
2210 # Keep track of which prefixes we saw.
2211 $used_pfx{$xpfx} = 1
2212 unless $prefix =~ /EXTRA_/;
2214 push (@sources, '$(' . $prefix . $one_file . "_SOURCES)");
2215 push (@dist_sources, '$(' . $prefix . $one_file . "_SOURCES)")
2216 unless $prefix =~ /^nodist_/;
2221 my $temp = define_objects_from_sources ($var,
2222 $xpfx . $one_file . '_OBJECTS',
2223 $prefix =~ /EXTRA_/,
2224 $one_file, $obj, $var, $var);
2225 $needlinker ||= $temp;
2229 $linker ||= &resolve_linker (%linkers_used);
2232 my @keys = sort keys %used_pfx;
2233 if (scalar @keys == 0)
2235 &define_variable ($one_file . "_SOURCES", $unxformed . ".c");
2236 push (@sources, $unxformed . '.c');
2237 push (@dist_sources, $unxformed . '.c');
2241 &handle_single_transform_list ($one_file . '_SOURCES',
2242 $one_file . '_SOURCES',
2245 $linker ||= &resolve_linker (%linkers_used);
2246 &define_pretty_variable ($one_file . "_OBJECTS", '', @result)
2250 grep ($_ = '$(' . $_ . $one_file . '_OBJECTS)', @keys);
2251 &define_pretty_variable ($one_file . '_OBJECTS', '', @keys);
2254 # If we want to use `LINK' we must make sure it is defined.
2264 # handle_lib_objects ($XNAME, $VAR)
2265 # ---------------------------------
2266 # Special-case @ALLOCA@ and @LIBOBJS@ in _LDADD or _LIBADD variables.
2267 # Also, generate _DEPENDENCIES variable if appropriate.
2269 # transformed name of object being built, or empty string if no object
2270 # name of _LDADD/_LIBADD-type variable to examine
2271 # Returns 1 if LIBOBJS seen, 0 otherwise.
2272 sub handle_lib_objects
2274 my ($xname, $var) = @_;
2276 &prog_error ("handle_lib_objects: $var undefined")
2277 if ! &variable_defined ($var);
2280 foreach my $cond (&variable_conditions_recursive ($var))
2282 if (&handle_lib_objects_cond ($xname, $var, $cond))
2290 # Subroutine of handle_lib_objects: handle a particular condition.
2291 sub handle_lib_objects_cond
2293 my ($xname, $var, $cond) = @_;
2295 # We recognize certain things that are commonly put in LIBADD or
2299 my $seen_libobjs = 0;
2302 foreach my $lsearch (&variable_value_as_list_recursive ($var, $cond))
2304 # Skip -lfoo and -Ldir; these are explicitly allowed.
2305 next if $lsearch =~ /^-[lL]/;
2306 if (! $flagvar && $lsearch =~ /^-/)
2308 if ($var =~ /^(.*)LDADD$/)
2310 # Skip -dlopen and -dlpreopen; these are explicitly allowed.
2311 next if $lsearch =~ /^-dl(pre)?open$/;
2312 &am_line_error ($var, "linker flags such as `$lsearch' belong in `${1}LDFLAGS");
2316 # Only get this error once.
2318 &am_line_error ($var, "linker flags such as `$lsearch' belong in `${1}LDFLAGS");
2322 # Assume we have a file of some sort, and push it onto the
2323 # dependency list. Autoconf substitutions are not pushed;
2324 # rarely is a new dependency substituted into (eg) foo_LDADD
2325 # -- but "bad things (eg -lX11) are routinely substituted.
2326 # Note that LIBOBJS and ALLOCA are exceptions to this rule,
2327 # and handled specially below.
2328 push (@dep_list, $lsearch)
2329 unless $lsearch =~ /^\@.*\@$/;
2331 # Automatically handle @LIBOBJS@ and @ALLOCA@. Basically this
2332 # means adding entries to dep_files.
2333 if ($lsearch =~ /^\@(LT)?LIBOBJS\@$/)
2335 my $lt = $1 ? $1 : '';
2336 my $myobjext = ($1 ? 'l' : '') . 'o';
2338 push (@dep_list, $lsearch);
2340 if (! keys %libsources
2341 && ! &variable_defined ($lt . 'LIBOBJS'))
2343 &am_line_error ($var, "\@$lt" . "LIBOBJS\@ seen but never set in `$configure_ac'");
2346 foreach my $iter (keys %libsources)
2348 if ($iter =~ /\.([cly])$/)
2350 &saw_extension ($1);
2351 &saw_extension ('c');
2354 if ($iter =~ /\.h$/)
2356 &require_file_with_line ($var, $FOREIGN, $iter);
2358 elsif ($iter ne 'alloca.c')
2360 my $rewrite = $iter;
2361 $rewrite =~ s/\.c$/.P$myobjext/;
2362 $dep_files{'$(DEPDIR)/' . $rewrite} = 1;
2363 ($rewrite = $iter) =~ s/(\W)/\\$1/g;
2364 $rewrite = "^" . $rewrite . "\$";
2365 # Only require the file if it is not a built source.
2366 if (! &variable_defined ('BUILT_SOURCES')
2367 || ! grep (/$rewrite/,
2368 &variable_value_as_list_recursive (
2369 'BUILT_SOURCES', 'all')))
2371 &require_file_with_line ($var, $FOREIGN, $iter);
2376 elsif ($lsearch =~ /^\@(LT)?ALLOCA\@$/)
2378 my $lt = $1 ? $1 : '';
2379 my $myobjext = ($1 ? 'l' : '') . 'o';
2381 push (@dep_list, $lsearch);
2382 &am_line_error ($var,
2383 "\@$lt" . "ALLOCA\@ seen but `AC_FUNC_ALLOCA' not in `$configure_ac'")
2384 if ! defined $libsources{'alloca.c'};
2385 $dep_files{'$(DEPDIR)/alloca.P' . $myobjext} = 1;
2386 &require_file_with_line ($var, $FOREIGN, 'alloca.c');
2387 &saw_extension ('c');
2391 if ($xname ne '' && ! &variable_defined ($xname . '_DEPENDENCIES', $cond))
2393 &define_pretty_variable ($xname . '_DEPENDENCIES', $cond, @dep_list);
2396 return $seen_libobjs;
2399 # Canonicalize the input parameter
2403 $string =~ tr/A-Za-z0-9_\@/_/c;
2407 # Canonicalize a name, and check to make sure the non-canonical name
2408 # is never used. Returns canonical name. Arguments are name and a
2409 # list of suffixes to check for.
2410 sub check_canonical_spelling
2412 my ($name, @suffixes) = @_;
2414 my $xname = &canonicalize ($name);
2415 if ($xname ne $name)
2417 foreach my $xt (@suffixes)
2419 &am_line_error ("$name$xt",
2420 "invalid variable `$name$xt'; "
2421 . "should be `$xname$xt'")
2422 if &variable_defined ("$name$xt");
2432 # Set up the compile suite.
2433 sub handle_compile ()
2436 unless $get_object_extension_was_run;
2439 my $default_includes = '';
2440 if (! defined $options{'nostdinc'})
2442 $default_includes = ' -I. -I$(srcdir)';
2444 if (&variable_defined ('CONFIG_HEADER'))
2446 foreach my $hdr (split (' ', &variable_value ('CONFIG_HEADER')))
2448 $default_includes .= ' -I' . dirname ($hdr);
2453 my (@mostly_rms, @dist_rms);
2454 foreach my $item (sort keys %compile_clean_files)
2456 if ($compile_clean_files{$item} == $MOSTLY_CLEAN)
2458 push (@mostly_rms, "\t-rm -f $item");
2460 elsif ($compile_clean_files{$item} == $DIST_CLEAN)
2462 push (@dist_rms, "\t-rm -f $item");
2466 &prog_error ("invalid entry in \%compile_clean_files");
2470 my ($coms, $vars, $rules) =
2471 &file_contents_internal (1, "$libdir/am/compile.am",
2472 ('DEFAULT_INCLUDES' => $default_includes,
2473 'MOSTLYRMS' => join ("\n", @mostly_rms),
2474 'DISTRMS' => join ("\n", @dist_rms)));
2475 $output_vars .= $vars;
2476 $output_rules .= "$coms$rules";
2478 # Check for automatic de-ANSI-fication.
2479 if (defined $options{'ansi2knr'})
2481 if (! $am_c_prototypes)
2483 &am_line_error ('AUTOMAKE_OPTIONS',
2484 "option `ansi2knr' in use but `AM_C_PROTOTYPES' not in `$configure_ac'");
2485 &keyed_aclocal_warning ('AM_C_PROTOTYPES');
2486 # Only give this error once.
2487 $am_c_prototypes = 1;
2490 # topdir is where ansi2knr should be.
2491 if ($options{'ansi2knr'} eq 'ansi2knr')
2493 # Only require ansi2knr files if they should appear in
2495 &require_file_with_line ('AUTOMAKE_OPTIONS', $FOREIGN,
2496 'ansi2knr.c', 'ansi2knr.1');
2498 # ansi2knr needs to be built before subdirs, so unshift it.
2499 unshift (@all, '$(ANSI2KNR)');
2502 my $ansi2knr_dir = '';
2503 $ansi2knr_dir = dirname ($options{'ansi2knr'})
2504 if $options{'ansi2knr'} ne 'ansi2knr';
2506 $output_rules .= &file_contents ('ansi2knr',
2507 ('ANSI2KNR-DIR' => $ansi2knr_dir));
2514 # Handle libtool rules.
2517 return unless $seen_libtool;
2519 # libtool requires some files, but only at top level.
2520 &require_conf_file_with_conf_line ($libtool_line, $FOREIGN,
2522 if $relative_dir eq '.';
2524 # Output the libtool compilation rules.
2525 $output_rules .= &file_contents ('libtool');
2528 # handle_programs ()
2529 # ------------------
2530 # Handle C programs.
2533 my @proglist = &am_install_var ('progs', 'PROGRAMS',
2534 'bin', 'sbin', 'libexec', 'pkglib',
2536 return if ! @proglist;
2538 my $seen_libobjs = 0;
2539 foreach my $one_file (@proglist)
2541 my $obj = &get_object_extension ($one_file);
2543 # Canonicalize names and check for misspellings.
2544 my $xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
2545 '_SOURCES', '_OBJECTS',
2548 my $linker = &handle_source_transform ($xname, $one_file, $obj);
2551 if (&variable_defined ($xname . "_LDADD"))
2553 if (&handle_lib_objects ($xname, $xname . '_LDADD'))
2561 # User didn't define prog_LDADD override. So do it.
2562 &define_variable ($xname . '_LDADD', '$(LDADD)');
2564 # This does a bit too much work. But we need it to
2565 # generate _DEPENDENCIES when appropriate.
2566 if (&variable_defined ('LDADD'))
2568 if (&handle_lib_objects ($xname, 'LDADD'))
2573 elsif (! &variable_defined ($xname . '_DEPENDENCIES'))
2575 &define_variable ($xname . '_DEPENDENCIES', '');
2580 if (&variable_defined ($xname . '_LIBADD'))
2582 &am_line_error ($xname . '_LIBADD',
2583 "use `" . $xname . "_LDADD', not `"
2584 . $xname . "_LIBADD'");
2587 if (! &variable_defined ($xname . '_LDFLAGS'))
2589 # Define the prog_LDFLAGS variable.
2590 &define_variable ($xname . '_LDFLAGS', '');
2593 # Determine program to use for link.
2595 if (&variable_defined ($xname . '_LINK'))
2597 $xlink = $xname . '_LINK';
2601 $xlink = $linker ? $linker : 'LINK';
2604 # If the resulting program lies into a subdirectory,
2605 # make sure this directory will exist.
2606 my $dirstamp = &require_build_directory_maybe ($one_file);
2608 # Don't add $(EXEEXT) if user already did.
2609 my $extension = ($one_file !~ /\$\(EXEEXT\)$/
2613 $output_rules .= &file_contents ('program',
2614 ('PROGRAM' => $one_file,
2615 'XPROGRAM' => $xname,
2617 'DIRSTAMP' => $dirstamp,
2618 'EXEEXT' => $extension));
2621 if (&variable_defined ('LDADD') && &handle_lib_objects ('', 'LDADD'))
2628 foreach my $one_file (@proglist)
2630 my $xname = &canonicalize ($one_file);
2632 if (&variable_defined ($xname . '_LDADD'))
2634 &check_libobjs_sources ($xname, $xname . '_LDADD');
2636 elsif (&variable_defined ('LDADD'))
2638 &check_libobjs_sources ($xname, 'LDADD');
2645 # handle_libraries ()
2646 # -------------------
2648 sub handle_libraries
2650 my @liblist = &am_install_var ('libs', 'LIBRARIES',
2651 'lib', 'pkglib', 'noinst', 'check');
2652 return if ! @liblist;
2654 my %valid = &am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
2656 if (! defined $configure_vars{'RANLIB'})
2658 foreach my $key (keys %valid)
2660 if (&variable_defined ($key . '_LIBRARIES'))
2662 &am_line_error ($key . '_LIBRARIES', "library used but `RANLIB' not defined in `$configure_ac'");
2663 # Only get this error once. If this is ever printed,
2665 $configure_vars{'RANLIB'} = 'BUG';
2671 my $seen_libobjs = 0;
2672 foreach my $onelib (@liblist)
2674 # Check that the library fits the standard naming convention.
2675 if (basename ($onelib) !~ /^lib.*\.a/)
2677 # FIXME should put line number here. That means mapping
2678 # from library name back to variable name.
2679 &am_error ("`$onelib' is not a standard library name");
2682 my $obj = &get_object_extension ($onelib);
2684 # Canonicalize names and check for misspellings.
2685 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
2686 '_OBJECTS', '_DEPENDENCIES',
2689 if (! &variable_defined ($xlib . '_AR'))
2691 &define_variable ($xlib . '_AR', '$(AR) cru');
2694 if (&variable_defined ($xlib . '_LIBADD'))
2696 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2703 # Generate support for conditional object inclusion in
2705 &define_variable ($xlib . "_LIBADD", '');
2708 if (&variable_defined ($xlib . '_LDADD'))
2710 &am_line_error ($xlib . '_LDADD',
2711 "use `" . $xlib . "_LIBADD', not `"
2712 . $xlib . "_LDADD'");
2715 # Make sure we at look at this.
2716 &examine_variable ($xlib . '_DEPENDENCIES');
2718 &handle_source_transform ($xlib, $onelib, $obj);
2720 # If the resulting library lies into a subdirectory,
2721 # make sure this directory will exist.
2722 my $dirstamp = &require_build_directory_maybe ($onelib);
2724 $output_rules .= &file_contents ('library',
2725 ('LIBRARY' => $onelib,
2726 'XLIBRARY' => $xlib,
2727 'DIRSTAMP' => $dirstamp));
2732 foreach my $onelib (@liblist)
2734 my $xlib = &canonicalize ($onelib);
2735 if (&variable_defined ($xlib . '_LIBADD'))
2737 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2744 # handle_ltlibraries ()
2745 # ---------------------
2746 # Handle shared libraries.
2747 sub handle_ltlibraries
2749 my @liblist = &am_install_var ('ltlib', 'LTLIBRARIES',
2750 'noinst', 'lib', 'pkglib', 'check');
2751 return if ! @liblist;
2754 my %valid = &am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
2757 foreach my $key (keys %valid)
2759 if (&variable_defined ($key . '_LTLIBRARIES'))
2763 &am_line_error ($key . '_LTLIBRARIES', "library used but `LIBTOOL' not defined in `$configure_ac'");
2764 # Only get this error once. If this is ever printed,
2766 $configure_vars{'LIBTOOL'} = 'BUG';
2770 # Get the installation directory of each library.
2771 for (&variable_value_as_list_recursive ($key . '_LTLIBRARIES', 'all'))
2775 &am_error ("`$_' is already going to be installed in `$instdirs{$_}'");
2779 $instdirs{$_} = $key;
2785 my $seen_libobjs = 0;
2786 foreach my $onelib (@liblist)
2788 my $obj = &get_object_extension ($onelib);
2790 # Canonicalize names and check for misspellings.
2791 my $xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
2792 '_SOURCES', '_OBJECTS',
2795 if (! &variable_defined ($xlib . '_LDFLAGS'))
2797 # Define the lib_LDFLAGS variable.
2798 &define_variable ($xlib . '_LDFLAGS', '');
2801 # Check that the library fits the standard naming convention.
2802 my $libname_rx = "^lib.*\.la";
2803 if ((&variable_defined ($xlib . '_LDFLAGS')
2804 && grep (/-module/, &variable_value_as_list_recursive (
2805 $xlib . '_LDFLAGS', 'all')))
2806 || (&variable_defined ('LDFLAGS')
2807 && grep (/-module/, &variable_value_as_list_recursive (
2808 'LDFLAGS', 'all'))))
2810 # Relax name checking for libtool modules.
2811 $libname_rx = "\.la";
2813 if (basename ($onelib) !~ /$libname_rx$/)
2815 # FIXME this should only be a warning for foreign packages
2816 # FIXME should put line number here. That means mapping
2817 # from library name back to variable name.
2818 &am_error ("`$onelib' is not a standard libtool library name");
2821 if (&variable_defined ($xlib . '_LIBADD'))
2823 if (&handle_lib_objects ($xlib, $xlib . '_LIBADD'))
2830 # Generate support for conditional object inclusion in
2832 &define_variable ($xlib . "_LIBADD", '');
2835 if (&variable_defined ($xlib . '_LDADD'))
2837 &am_line_error ($xlib . '_LDADD',
2838 "use `" . $xlib . "_LIBADD', not `"
2839 . $xlib . "_LDADD'");
2842 # Make sure we at look at this.
2843 &examine_variable ($xlib . '_DEPENDENCIES');
2845 my $linker = &handle_source_transform ($xlib, $onelib, $obj);
2847 # Determine program to use for link.
2849 if (&variable_defined ($xlib . '_LINK'))
2851 $xlink = $xlib . '_LINK';
2855 $xlink = $linker ? $linker : 'LINK';
2859 if ($instdirs{$onelib} eq 'EXTRA'
2860 || $instdirs{$onelib} eq 'noinst'
2861 || $instdirs{$onelib} eq 'check')
2863 # It's an EXTRA_ library, so we can't specify -rpath,
2864 # because we don't know where the library will end up.
2865 # The user probably knows, but generally speaking automake
2866 # doesn't -- and in fact configure could decide
2867 # dynamically between two different locations.
2872 $rpath = ('-rpath $(' . $instdirs{$onelib} . 'dir)');
2875 # If the resulting library lies into a subdirectory,
2876 # make sure this directory will exist.
2877 my $dirstamp = &require_build_directory_maybe ($onelib);
2879 $output_rules .= &file_contents ('ltlibrary',
2880 ('LTLIBRARY' => $onelib,
2881 'XLTLIBRARY' => $xlib,
2884 'DIRSTAMP' => $dirstamp));
2889 foreach my $onelib (@liblist)
2891 my $xlib = &canonicalize ($onelib);
2892 if (&variable_defined ($xlib . '_LIBADD'))
2894 &check_libobjs_sources ($xlib, $xlib . '_LIBADD');
2900 # See if any _SOURCES variable were misspelled. Also, make sure that
2901 # EXTRA_ variables don't contain configure substitutions.
2904 foreach my $varname (keys %var_value)
2906 foreach my $primary ('_SOURCES', '_LIBADD', '_LDADD', '_LDFLAGS',
2909 if ($varname =~ /$primary$/ && ! $content_seen{$varname})
2911 &am_line_error ($varname,
2912 "invalid unused variable name: `$varname'");
2921 # NOTE we no longer automatically clean SCRIPTS, because it is
2922 # useful to sometimes distribute scripts verbatim. This happens
2923 # eg in Automake itself.
2924 &am_install_var ('-candist', 'scripts', 'SCRIPTS',
2925 'bin', 'sbin', 'libexec', 'pkgdata',
2930 # ($OUTFILE, $VFILE, @CLEAN_FILES)
2931 # &scan_texinfo_file ($FILENAME)
2932 # ------------------------------
2933 # $OUTFILE is the name of the info file produced by $FILENAME.
2934 # $VFILE is the name of the version.texi file used (empty if none).
2935 # @CLEAN_FILES is the list of by products (indexes etc.)
2936 sub scan_texinfo_file
2938 my ($filename) = @_;
2940 # These are always created, no matter whether indexes are used or not.
2941 my @clean_suffixes = ('aux', 'dvi', 'log', 'ps', 'toc',
2942 # grep new.*index texinfo.tex
2943 'cp', 'fn', 'ky', 'vr', 'tp', 'pg');
2945 # There are predefined indexes which don't follow the regular rules.
2946 my %predefined_index =
2949 'c' => 'cps', 'f' => 'fns', 'k' => 'kys',
2950 'v' => 'vrs', 't' => 'tps', 'p' => 'pgs'
2953 # There are commands which include a hidden index command.
2957 'fn' => 'fns', 'un' => 'fns',
2958 'typefn' => 'fns', 'typefun' => 'fns',
2959 'mac' => 'fns', 'spec' => 'fns',
2960 'op' => 'fns', 'typeop' => 'fns',
2961 'method' => 'fns', 'typemethod' => 'fns',
2963 'vr' => 'vrs', 'var' => 'vrs',
2964 'typevr' => 'vrs', 'typevar' => 'vrs',
2967 'ivar' => 'vrs', 'typeivar' => 'vrs',
2972 # Indexes stored into another one. In this case, the *.??s file
2974 my @syncodeindexes = ();
2976 my $texi = new IO::File ("< $filename");
2979 &am_error ("couldn't open `$filename': $!");
2982 print "$me: reading $filename\n" if $verbose;
2984 my ($outfile, $vfile);
2985 while ($_ = $texi->getline)
2987 if (/^\@setfilename +(\S+)/)
2990 if ($outfile =~ /\.(.+)$/ && $1 ne 'info')
2992 &am_file_error ($filename, "$.: ",
2993 "output `$outfile' has unrecognized extension");
2997 # A "version.texi" file is actually any file whose name
2998 # matches "vers*.texi".
2999 elsif (/^\@include\s+(vers[^.]*\.texi)\s*$/)
3004 # Try to find what are the indexes which are used.
3006 # Creating a new category of index.
3007 elsif (/^\@def(code)?index (\w+)/)
3009 push @clean_suffixes, $2;
3012 # Storing in a predefined index.
3013 elsif (/^\@([cfkvtp])index /)
3015 push @clean_suffixes, $predefined_index{$1};
3017 elsif (/^\@def(\w+) /)
3019 push @clean_suffixes, $hidden_index{$1}
3020 if defined $hidden_index{$1};
3023 # Merging an index into an another.
3024 elsif (/^\@syn(code)?index (\w+) (\w+)/)
3026 push @syncodeindexes, "$2s";
3027 push @clean_suffixes, "$3s";
3035 &am_error ("`$filename' missing \@setfilename");
3039 my $infobase = basename ($filename);
3040 $infobase =~ s/\.te?xi(nfo)?$//;
3041 # FIXME: I don't understand why, but I can't use "$infobase.$_" => 1.
3042 my %clean_files = map { "$infobase" . ".$_" => 1 } @clean_suffixes;
3043 grep { delete $clean_files{"$infobase.$_"} } @syncodeindexes;
3044 return ($outfile, $vfile, (sort keys %clean_files));
3048 # ($DO-SOMETHING, $TEXICLEANS)
3049 # handle_texinfo_helper ()
3051 # Handle all Texinfo source; helper for handle_texinfo
3052 sub handle_texinfo_helper
3054 &am_line_error ('TEXINFOS',
3055 "`TEXINFOS' is an anachronism; use `info_TEXINFOS'")
3056 if &variable_defined ('TEXINFOS');
3057 return (0, '') if (! &variable_defined ('info_TEXINFOS')
3058 && ! &variable_defined ('html_TEXINFOS'));
3060 if (&variable_defined ('html_TEXINFOS'))
3062 &am_line_error ('html_TEXINFOS',
3063 "HTML generation not yet supported");
3067 my @texis = &variable_value_as_list_recursive ('info_TEXINFOS', 'all');
3069 my (@info_deps_list, @dvis_list, @texi_deps);
3076 foreach my $info_cursor (@texis)
3078 my $infobase = $info_cursor;
3079 $infobase =~ s/\.(txi|texinfo|texi)$//;
3081 if ($infobase eq $info_cursor)
3083 # FIXME: report line number.
3084 &am_error ("texinfo file `$info_cursor' has unrecognized extension");
3087 $texi_suffixes{$1} = 1;
3089 # If 'version.texi' is referenced by input file, then include
3090 # automatic versioning capability.
3091 my ($out_file, $vtexi, @clean_files) =
3092 &scan_texinfo_file ("$relative_dir/$info_cursor")
3094 push (@texi_cleans, @clean_files);
3098 &am_error ("`$vtexi', included in `$info_cursor', also included in `$versions{$vtexi}'")
3099 if (defined $versions{$vtexi});
3100 $versions{$vtexi} = $info_cursor;
3102 # We number the stamp-vti files. This is doable since the
3103 # actual names don't matter much. We only number starting
3104 # with the second one, so that the common case looks nice.
3105 my $vti = ($done ? $done : 'vti');
3108 # This is ugly, but it is our historical practice.
3109 if ($config_aux_dir_set_in_configure_in)
3111 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
3116 &require_file_with_line ('info_TEXINFOS', $FOREIGN,
3121 if ($config_aux_dir_set_in_configure_in)
3123 $conf_dir = $config_aux_dir;
3124 $conf_dir .= '/' unless $conf_dir =~ /\/$/;
3128 $conf_dir = '$(srcdir)/';
3130 $output_rules .= &file_contents ('texi-vers',
3131 ('TEXI' => $info_cursor,
3134 'MDDIR' => $conf_dir));
3137 # If user specified file_TEXINFOS, then use that as explicit
3140 push (@texi_deps, $info_cursor);
3141 # Prefix with $(srcdir) because some version of make won't
3142 # work if the target has it and the dependency doesn't.
3143 push (@texi_deps, '$(srcdir)/' . $vtexi) if $vtexi;
3145 my $canonical = &canonicalize ($infobase);
3146 if (&variable_defined ($canonical . "_TEXINFOS"))
3148 push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
3149 &push_dist_common ('$(' . $canonical . '_TEXINFOS)');
3152 $output_rules .= ("\n" . $out_file . ": "
3153 . join (' ', @texi_deps)
3154 . "\n" . $infobase . ".dvi: "
3155 . join (' ', @texi_deps)
3158 push (@info_deps_list, $out_file);
3159 push (@dvis_list, $infobase . '.dvi');
3162 # Handle location of texinfo.tex.
3163 my $need_texi_file = 0;
3167 $texinfodir = '$(top_srcdir)/../texinfo';
3168 &define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex");
3170 elsif ($config_aux_dir_set_in_configure_in)
3172 $texinfodir = $config_aux_dir;
3173 &define_variable ('TEXINFO_TEX', "$texinfodir/texinfo.tex");
3174 $need_texi_file = 2; # so that we require_conf_file later
3176 elsif (&variable_defined ('TEXINFO_TEX'))
3178 # The user defined TEXINFO_TEX so assume he knows what he is
3180 $texinfodir = ('$(srcdir)/'
3181 . dirname (&variable_value ('TEXINFO_TEX')));
3185 $texinfodir = '$(srcdir)';
3186 $need_texi_file = 1;
3189 foreach my $txsfx (sort keys %texi_suffixes)
3191 $output_rules .= &file_contents ('texibuild',
3192 ('TEXINFODIR' => $texinfodir,
3193 'SUFFIX' => $txsfx));
3197 my $texiclean = &pretty_print_internal ("", "\t ", @texi_cleans);
3199 push (@dist_targets, 'dist-info');
3201 if (! defined $options{'no-installinfo'})
3203 # Make sure documentation is made and installed first. Use
3204 # $(INFO_DEPS), not 'info', because otherwise recursive makes
3205 # get run twice during "make all".
3206 unshift (@all, '$(INFO_DEPS)');
3209 &define_variable ("INFO_DEPS", join (' ', @info_deps_list));
3210 &define_variable ("DVIS", join (' ', @dvis_list));
3211 # This next isn't strictly needed now -- the places that look here
3212 # could easily be changed to look in info_TEXINFOS. But this is
3213 # probably better, in case noinst_TEXINFOS is ever supported.
3214 &define_variable ("TEXINFOS", &variable_value ('info_TEXINFOS'));
3216 # Do some error checking. Note that this file is not required
3217 # when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
3219 if ($need_texi_file && ! defined $options{'no-texinfo.tex'})
3221 if ($need_texi_file > 1)
3223 &require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
3228 &require_file_with_line ('info_TEXINFOS', $FOREIGN, 'texinfo.tex');
3232 return (1, $texiclean);
3237 # Handle all Texinfo source.
3240 my ($do_something, $texiclean) = handle_texinfo_helper ();
3241 $output_rules .= &file_contents ('texinfos',
3242 ('TEXICLEAN' => $texiclean,
3243 'LOCAL-TEXIS' => $do_something));
3246 # Handle any man pages.
3247 sub handle_man_pages
3249 &am_line_error ('MANS', "`MANS' is an anachronism; use `man_MANS'")
3250 if &variable_defined ('MANS');
3252 # Find all the sections in use. We do this by first looking for
3253 # "standard" sections, and then looking for any additional
3254 # sections used in man_MANS.
3255 my (%sections, %vlist);
3256 # We handle nodist_ for uniformity. man pages aren't distributed
3257 # by default so it isn't actually very important.
3258 foreach my $pfx ('', 'dist_', 'nodist_')
3260 # Add more sections as needed.
3261 foreach my $section ('0'..'9', 'n', 'l')
3263 if (&variable_defined ($pfx . 'man' . $section . '_MANS'))
3265 $sections{$section} = 1;
3266 $vlist{'$(' . $pfx . 'man' . $section . '_MANS)'} = 1;
3268 &push_dist_common ('$(' . $pfx . 'man' . $section . '_MANS)')
3273 if (&variable_defined ($pfx . 'man_MANS'))
3275 $vlist{'$(' . $pfx . 'man_MANS)'} = 1;
3276 foreach (&variable_value_as_list_recursive ($pfx . 'man_MANS', 'all'))
3278 # A page like `foo.1c' goes into man1dir.
3279 if (/\.([0-9a-z])([a-z]*)$/)
3285 &push_dist_common ('$(' . $pfx . 'man_MANS)')
3290 return unless %sections;
3292 # Now for each section, generate an install and unintall rule.
3293 # Sort sections so output is deterministic.
3294 foreach my $section (sort keys %sections)
3296 $output_rules .= &file_contents ('mans', ('SECTION' => $section));
3299 $output_vars .= &file_contents ('mans-vars',
3300 ('MANS' => join (' ', sort keys %vlist)));
3302 if (! defined $options{'no-installman'})
3304 push (@all, '$(MANS)');
3308 # Handle DATA variables.
3311 &am_install_var ('-noextra', '-candist', 'data', 'DATA',
3312 'data', 'sysconf', 'sharedstate', 'localstate',
3313 'pkgdata', 'noinst', 'check');
3320 if (&variable_defined ('SUBDIRS'))
3322 $output_rules .= ("tags-recursive:\n"
3323 . "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
3324 # Never fail here if a subdir fails; it
3326 . "\t test \"\$\$subdir\" = . || (cd \$\$subdir"
3327 . " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
3329 push (@tag_deps, 'tags-recursive');
3330 &depend ('.PHONY', 'tags-recursive');
3333 if (&saw_sources_p (1)
3334 || &variable_defined ('ETAGS_ARGS')
3338 foreach my $one_hdr (@config_headers)
3340 if ($relative_dir eq dirname ($one_hdr))
3342 # The config header is in this directory. So require it.
3343 $config .= ' ' if $config;
3344 $config .= basename ($one_hdr);
3347 $output_rules .= &file_contents ('tags',
3348 ('CONFIG' => $config,
3349 'DIRS' => join (' ', @tag_deps)));
3350 &examine_variable ('TAGS_DEPENDENCIES');
3352 elsif (&variable_defined ('TAGS_DEPENDENCIES'))
3354 &am_line_error ('TAGS_DEPENDENCIES',
3355 "doesn't make sense to define `TAGS_DEPENDENCIES' without sources or `ETAGS_ARGS'");
3359 # Every Makefile must define some sort of TAGS rule.
3360 # Otherwise, it would be possible for a top-level "make TAGS"
3361 # to fail because some subdirectory failed.
3362 $output_rules .= "tags: TAGS\nTAGS:\n\n";
3366 # Handle multilib support.
3369 if ($seen_multilib && $relative_dir eq '.')
3371 $output_rules .= &file_contents ('multilib');
3377 # &for_dist_common ($A, $B)
3378 # -------------------------
3379 # Subroutine for &handle_dist: sort files to dist.
3381 # We put README first because it then becomes easier to make a
3382 # Usenet-compliant shar file (in these, README must be first).
3384 # FIXME: do more ordering of files here.
3397 # handle_dist ($MAKEFILE)
3398 # -----------------------
3399 # Handle 'dist' target.
3402 my ($makefile) = @_;
3404 # `make dist' isn't used in a Cygnus-style tree.
3405 # Omit the rules so that people don't try to use them.
3406 return if $cygnus_mode;
3408 # Look for common files that should be included in distribution.
3409 # If the aux dir is set, and it does not have a Makefile.am, then
3410 # we check for these files there as well.
3413 if ($relative_dir eq '.'
3414 && $config_aux_dir_set_in_configure_in)
3416 ($auxdir = $config_aux_dir) =~ s,^\$\(top_srcdir\)/,,;
3417 if (! &is_make_dir ($auxdir))
3422 foreach my $cfile (@common_files)
3424 if (-f ($relative_dir . "/" . $cfile))
3426 &push_dist_common ($cfile);
3429 # Don't use `elsif' here because a file might meaningfully
3430 # appear in both directories.
3431 if ($check_aux && -f ($auxdir . '/' . $cfile))
3433 &push_dist_common ($auxdir . '/' . $cfile);
3437 # We might copy elements from $configure_dist_common to
3438 # %dist_common if we think we need to. If the file appears in our
3439 # directory, we would have discovered it already, so we don't
3440 # check that. But if the file is in a subdir without a Makefile,
3441 # we want to distribute it here if we are doing `.'. Ugly!
3442 if ($relative_dir eq '.')
3444 foreach my $file (split (' ' , $configure_dist_common))
3446 if (! &is_make_dir (dirname ($file)))
3448 &push_dist_common ($file);
3455 # Files to distributed. Don't use &variable_value_as_list_recursive
3456 # as it recursively expands `$(dist_pkgdata_DATA)' etc.
3457 check_variable_defined_unconditionally ('DIST_COMMON');
3458 my @dist_common = split (' ', variable_value ('DIST_COMMON', 'TRUE'));
3459 @dist_common = uniq (sort for_dist_common (@dist_common));
3460 pretty_print ('DIST_COMMON = ', "\t", @dist_common);
3462 # Now that we've processed DIST_COMMON, disallow further attempts
3464 $handle_dist_run = 1;
3466 # Scan EXTRA_DIST to see if we need to distribute anything from a
3467 # subdir. If so, add it to the list. I didn't want to do this
3468 # originally, but there were so many requests that I finally
3470 if (&variable_defined ('EXTRA_DIST'))
3472 # FIXME: This should be fixed to work with conditionals. That
3473 # will require only making the entries in %dist_dirs under the
3474 # appropriate condition. This is meaningful if the nature of
3475 # the distribution should depend upon the configure options
3477 foreach (&variable_value_as_list_recursive ('EXTRA_DIST', ''))
3480 next unless s,/+[^/]+$,,;
3486 # We have to check DIST_COMMON for extra directories in case the
3487 # user put a source used in AC_OUTPUT into a subdir.
3488 foreach (&variable_value_as_list_recursive ('DIST_COMMON', 'all'))
3491 next unless s,/+[^/]+$,,;
3496 # Rule to check whether a distribution is viable.
3497 my %transform = ('DISTCHECK-HOOK' => &target_defined ('distcheck-hook'),
3498 'GETTEXT' => $seen_gettext);
3500 # Prepend $(distdir) to each directory given.
3501 my %rewritten = map { '$(distdir)/' . "$_" => 1 } keys %dist_dirs;
3502 $transform{'DISTDIRS'} = join (' ', sort keys %rewritten);
3504 # If we have SUBDIRS, create all dist subdirectories and do
3506 if (&variable_defined ('SUBDIRS'))
3508 # If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
3509 # to all possible directories, and use it. If DIST_SUBDIRS is
3510 # defined, just use it.
3511 my $dist_subdir_name;
3512 # Note that we check DIST_SUBDIRS first on purpose. At least
3513 # one project uses so many conditional subdirectories that
3514 # calling variable_conditionally_defined on SUBDIRS will cause
3515 # automake to grow to 150Mb. Sigh.
3516 if (&variable_defined ('DIST_SUBDIRS')
3517 || variable_conditionally_defined ('SUBDIRS'))
3519 $dist_subdir_name = 'DIST_SUBDIRS';
3520 if (! &variable_defined ('DIST_SUBDIRS'))
3522 &define_pretty_variable
3523 ('DIST_SUBDIRS', '',
3524 uniq (&variable_value_as_list_recursive ('SUBDIRS', 'all')));
3529 $dist_subdir_name = 'SUBDIRS';
3530 # We always define this because that is what `distclean'
3532 &define_pretty_variable ('DIST_SUBDIRS', '', '$(SUBDIRS)');
3535 $transform{'DIST_SUBDIR_NAME'} = $dist_subdir_name;
3538 # If the target `dist-hook' exists, make sure it is run. This
3539 # allows users to do random weird things to the distribution
3540 # before it is packaged up.
3541 push (@dist_targets, 'dist-hook')
3542 if &target_defined ('dist-hook');
3543 $transform{'DIST-TARGETS'} = join(' ', @dist_targets);
3545 # Defining $(DISTDIR).
3546 $transform{'DISTDIR'} = !&variable_defined('distdir');
3547 $transform{'TOP_DISTDIR'} = backname ($relative_dir);
3549 $output_rules .= &file_contents ('distdir', %transform);
3553 # Handle subdirectories.
3557 unless &variable_defined ('SUBDIRS');
3559 # Make sure each directory mentioned in SUBDIRS actually exists.
3560 foreach my $dir (&variable_value_as_list_recursive ('SUBDIRS', 'all'))
3562 # Skip directories substituted by configure.
3563 next if $dir =~ /^\@.*\@$/;
3565 if (! -d $am_relative_dir . '/' . $dir)
3567 &am_line_error ('SUBDIRS',
3568 "required directory $am_relative_dir/$dir does not exist");
3572 &am_line_error ('SUBDIRS', "directory should not contain `/'")
3576 $output_rules .= &file_contents ('subdirs');
3577 variable_pretty_output ('RECURSIVE_TARGETS', 'TRUE');
3581 # ($REGEN, @DEPENDENCIES)
3584 # If aclocal.m4 creation is automated, return the list of its dependencies.
3587 my $regen_aclocal = 0;
3590 unless $relative_dir eq '.';
3592 &examine_variable ('CONFIG_STATUS_DEPENDENCIES');
3593 &examine_variable ('CONFIGURE_DEPENDENCIES');
3595 if (-f 'aclocal.m4')
3597 &define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4');
3598 &push_dist_common ('aclocal.m4');
3600 my $aclocal = new IO::File ("< aclocal.m4");
3603 my $line = $aclocal->getline;
3606 if ($line =~ 'generated automatically by aclocal')
3615 if (-f 'acinclude.m4')
3618 push @ac_deps, 'acinclude.m4';
3621 if (&variable_defined ('ACLOCAL_M4_SOURCES'))
3623 push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
3625 elsif (&variable_defined ('ACLOCAL_AMFLAGS'))
3627 # Scan all -I directories for m4 files. These are our
3629 my $examine_next = 0;
3630 foreach my $amdir (&variable_value_as_list_recursive ('ACLOCAL_AMFLAGS', ''))
3635 if ($amdir !~ /^\// && -d $amdir)
3637 foreach my $ac_dep (&my_glob ($amdir . '/*.m4'))
3639 $ac_dep =~ s/^\.\/+//;
3640 push (@ac_deps, $ac_dep)
3641 unless $ac_dep eq "aclocal.m4"
3642 || $ac_dep eq "acinclude.m4";
3646 elsif ($amdir eq '-I')
3653 # Note that it might be possible that aclocal.m4 doesn't exist but
3654 # should be auto-generated. This case probably isn't very
3657 return ($regen_aclocal, @ac_deps);
3660 # Rewrite a list of input files into a form suitable to put on a
3661 # dependency list. The idea is that if an input file has a directory
3662 # part the same as the current directory, then the directory part is
3663 # simply removed. But if the directory part is different, then
3664 # $(top_srcdir) is prepended. Among other things, this is used to
3665 # generate the dependency list for the output files generated by
3666 # AC_OUTPUT. Consider what the dependencies should look like in this
3668 # AC_OUTPUT(src/out:src/in1:lib/in2)
3669 # The first argument, ADD_SRCDIR, is 1 if $(top_srcdir) should be added.
3670 # If 0 then files that require this addition will simply be ignored.
3671 sub rewrite_inputs_into_dependencies
3673 my ($add_srcdir, @inputs) = @_;
3676 foreach my $single (@inputs)
3678 if (dirname ($single) eq $relative_dir)
3680 push (@newinputs, basename ($single));
3684 push (@newinputs, '$(top_srcdir)/' . $single);
3691 # Handle remaking and configure stuff.
3692 # We need the name of the input file, to do proper remaking rules.
3693 sub handle_configure
3695 my ($local, $input, @secondary_inputs) = @_;
3697 my $input_base = basename ($input);
3698 my $local_base = basename ($local);
3700 my $amfile = $input_base . '.am';
3701 # We know we can always add '.in' because it really should be an
3702 # error if the .in was missing originally.
3703 my $infile = '$(srcdir)/' . $input_base . '.in';
3704 my $colon_infile = '';
3705 if ($local ne $input || @secondary_inputs)
3707 $colon_infile = ':' . $input . '.in';
3709 $colon_infile .= ':' . join (':', @secondary_inputs)
3710 if @secondary_inputs;
3712 my @rewritten = &rewrite_inputs_into_dependencies (1, @secondary_inputs);
3714 my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4 ();
3717 &file_contents ('configure',
3721 => join (' ', @rewritten),
3723 => ((($relative_dir eq '.') ? '$@' : '$(subdir)/$@')
3728 => join (' ', @include_stack),
3732 => $cygnus_mode ? 'cygnus' : $strictness_name,
3734 => $cmdline_use_dependencies ? '' : ' --ignore-deps',
3735 'MAKEFILE-AM-SOURCES'
3736 => "$input$colon_infile",
3738 => $regen_aclocal_m4,
3740 => join (' ', @aclocal_m4_deps)));
3742 if ($relative_dir eq '.')
3744 &push_dist_common ('acconfig.h')
3748 # If we have a configure header, require it.
3749 my @local_fullnames = @config_fullnames;
3750 my @local_names = @config_names;
3752 my $distclean_config = '';
3753 foreach my $one_hdr (@config_headers)
3755 my $one_fullname = shift (@local_fullnames);
3756 my $one_name = shift (@local_names);
3758 my $header_dir = dirname ($one_name);
3760 # If the header is in the current directory we want to build
3761 # the header here. Otherwise, if we're at the topmost
3762 # directory and the header's directory doesn't have a
3763 # Makefile, then we also want to build the header.
3764 if ($relative_dir eq $header_dir
3765 || ($relative_dir eq '.' && ! &is_make_dir ($header_dir)))
3767 my ($cn_sans_dir, $stamp_dir);
3768 if ($relative_dir eq $header_dir)
3770 $cn_sans_dir = basename ($one_name);
3775 $cn_sans_dir = $one_name;
3776 if ($header_dir eq '.')
3782 $stamp_dir = $header_dir . '/';
3786 # Compute relative path from directory holding output
3787 # header to directory holding input header. FIXME:
3788 # doesn't handle case where we have multiple inputs.
3790 if (dirname ($one_hdr) eq $relative_dir)
3792 $ch_sans_dir = basename ($one_hdr);
3796 $ch_sans_dir = backname ($relative_dir) . '/' . $one_hdr;
3799 &require_file_with_conf_line ($config_header_line,
3800 $FOREIGN, $ch_sans_dir);
3802 # Header defined and in this directory.
3804 if (-f $one_name . '.top')
3806 push (@files, "${cn_sans_dir}.top");
3808 if (-f $one_name . '.bot')
3810 push (@files, "${cn_sans_dir}.bot");
3813 &push_dist_common (@files);
3815 # For now, acconfig.h can only appear in the top srcdir.
3816 if (-f 'acconfig.h')
3818 push (@files, '$(top_srcdir)/acconfig.h');
3821 my $stamp_name = 'stamp-h';
3822 $stamp_name .= "${hdr_index}" if scalar (@config_headers) > 1;
3824 my $out_dir = dirname ($ch_sans_dir);
3827 &file_contents ('remake-hdr',
3828 ('FILES' => join (' ', @files),
3829 'CONFIG_HEADER' => $cn_sans_dir,
3830 'CONFIG_HEADER_IN' => $ch_sans_dir,
3831 'CONFIG_HEADER_FULL' => $one_fullname,
3832 'STAMP' => "$stamp_dir$stamp_name",
3833 'SRC_STAMP' => "$out_dir/$stamp_name"));
3835 &create ("${relative_dir}/${out_dir}/${stamp_name}.in");
3836 &require_file_with_conf_line ($config_header_line, $FOREIGN,
3837 "${out_dir}/${stamp_name}.in");
3839 $distclean_config .= ' ' if $distclean_config;
3840 $distclean_config .= $cn_sans_dir;
3844 if ($distclean_config)
3846 $output_rules .= &file_contents ('clean-hdr',
3847 ('FILES' => $distclean_config));
3850 # Set location of mkinstalldirs.
3851 &define_variable ('mkinstalldirs',
3852 ('$(SHELL) ' . $config_aux_dir . '/mkinstalldirs'));
3854 &am_line_error ('CONFIG_HEADER',
3855 "`CONFIG_HEADER' is an anachronism; now determined from `$configure_ac'")
3856 if &variable_defined ('CONFIG_HEADER');
3858 my $config_header = '';
3859 foreach my $one_name (@config_names)
3861 # Generate CONFIG_HEADER define.
3863 if ($relative_dir eq dirname ($one_name))
3865 $one_hdr = basename ($one_name);
3869 $one_hdr = "\$(top_builddir)/${one_name}";
3872 $config_header .= ' ' if $config_header;
3873 $config_header .= $one_hdr;
3877 &define_variable ("CONFIG_HEADER", $config_header);
3880 # Now look for other files in this directory which must be remade
3881 # by config.status, and generate rules for them.
3882 my @actual_other_files = ();
3883 foreach my $lfile (@other_input_files)
3886 my (@inputs, @rewritten_inputs);
3887 my ($need_rewritten);
3888 if ($lfile =~ /^([^:]*):(.*)$/)
3890 # This is the ":" syntax of AC_OUTPUT.
3892 $local = basename ($file);
3893 @inputs = split (':', $2);
3894 @rewritten_inputs = &rewrite_inputs_into_dependencies (1, @inputs);
3895 $need_rewritten = 1;
3901 $local = basename ($file);
3902 @inputs = ($file . '.in');
3904 &rewrite_inputs_into_dependencies (1, @inputs);
3905 $need_rewritten = 0;
3908 # Make sure the dist directory for each input file is created.
3909 # We only have to do this at the topmost level though. This
3910 # is a bit ugly but it easier than spreading out the logic,
3911 # especially in cases like AC_OUTPUT(foo/out:bar/in), where
3912 # there is no Makefile in bar/.
3913 if ($relative_dir eq '.')
3917 $dist_dirs{dirname ($_)} = 1;
3921 # We skip any automake input files, as they are handled
3922 # elsewhere. We also skip files that aren't in this
3923 # directory. However, if the file's directory does not have a
3924 # Makefile, and we are currently doing `.', then we create a
3925 # rule to rebuild the file in the subdir.
3926 next if -f $file . '.am';
3927 my $fd = dirname ($file);
3928 if ($fd ne $relative_dir)
3930 if ($relative_dir eq '.' && ! &is_make_dir ($fd))
3940 # Some users have been tempted to put `stamp-h' in the
3941 # AC_OUTPUT line. This won't do the right thing, so we
3942 # explicitly fail here.
3943 if ($local eq 'stamp-h')
3945 # FIXME: allow real filename.
3946 &am_conf_error ($configure_ac, $ac_output_line,
3947 'stamp-h should not appear in AC_OUTPUT');
3951 $output_rules .= ($local . ': '
3952 . '$(top_builddir)/config.status '
3953 . join (' ', @rewritten_inputs) . "\n"
3955 . 'cd $(top_builddir) && CONFIG_FILES='
3956 . ($relative_dir eq '.' ? '' : '$(subdir)/')
3957 . '$@' . ($need_rewritten
3958 ? (':' . join (':', @inputs))
3960 . ' CONFIG_HEADERS= CONFIG_LINKS= $(SHELL) ./config.status'
3962 push (@actual_other_files, $local);
3964 # Require all input files.
3965 &require_file_with_conf_line ($ac_output_line, $FOREIGN,
3966 &rewrite_inputs_into_dependencies (0, @inputs));
3969 # These files get removed by "make clean".
3970 &define_pretty_variable ('CONFIG_CLEAN_FILES', '', @actual_other_files);
3976 my @r = &am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
3977 'oldinclude', 'pkginclude',
3981 next unless /\.(.*)$/;
3982 &saw_extension ($1);
3988 return if ! $seen_gettext || $relative_dir ne '.';
3990 if (! &variable_defined ('SUBDIRS'))
3993 ("AM_GNU_GETTEXT used but SUBDIRS not defined");
3997 my @subdirs = &variable_value_as_list_recursive ('SUBDIRS', 'all');
3998 &am_line_error ('SUBDIRS',
3999 "AM_GNU_GETTEXT used but `po' not in SUBDIRS")
4000 if ! grep ('po', @subdirs);
4001 &am_line_error ('SUBDIRS',
4002 "AM_GNU_GETTEXT used but `intl' not in SUBDIRS")
4003 if ! grep ('intl', @subdirs);
4005 &require_file_with_conf_line ($ac_gettext_line, $GNU, 'ABOUT-NLS');
4008 # Handle footer elements.
4011 # NOTE don't use define_pretty_variable here, because
4012 # $contents{...} is already defined.
4013 $output_vars .= 'SOURCES = ' . variable_value ('SOURCES') . "\n\n"
4014 if variable_value ('SOURCES');
4017 &am_line_error ('.SUFFIXES',
4018 "use variable `SUFFIXES', not target `.SUFFIXES'")
4019 if target_defined ('.SUFFIXES');
4021 # Note: AIX 4.1 /bin/make will fail if any suffix rule appears
4022 # before .SUFFIXES. So we make sure that .SUFFIXES appears before
4023 # anything else, by sticking it right after the default: target.
4024 $output_header .= ".SUFFIXES:\n";
4025 if (@suffixes || &variable_defined ('SUFFIXES'))
4027 # Make sure suffixes has unique elements. Sort them to ensure
4028 # the output remains consistent. However, $(SUFFIXES) is
4029 # always at the start of the list, unsorted. This is done
4030 # because make will choose rules depending on the ordering of
4031 # suffixes, and this lets the user have some control. Push
4032 # actual suffixes, and not $(SUFFIXES). Some versions of make
4033 # do not like variable substitutions on the .SUFFIXES line.
4034 my @user_suffixes = (&variable_defined ('SUFFIXES')
4035 ? &variable_value_as_list_recursive ('SUFFIXES', '')
4038 my %suffixes = map { $_ => 1 } @suffixes;
4039 delete @suffixes{@user_suffixes};
4041 $output_header .= (".SUFFIXES: "
4042 . join (' ', @user_suffixes, sort keys %suffixes)
4046 $output_trailer .= file_contents ('footer');
4049 # Deal with installdirs target.
4050 sub handle_installdirs ()
4053 &file_contents ('install',
4055 => variable_value ('_am_installdirs') || ''));
4059 # Deal with all and all-am.
4062 my ($makefile) = @_;
4066 # Put this at the beginning for the sake of non-GNU makes. This
4067 # is still wrong if these makes can run parallel jobs. But it is
4069 unshift (@all, basename ($makefile));
4071 foreach my $one_name (@config_names)
4073 push (@all, basename ($one_name))
4074 if dirname ($one_name) eq $relative_dir;
4077 # Install `all' hooks.
4078 if (&target_defined ("all-local"))
4080 push (@all, "all-local");
4081 &depend ('.PHONY', "all-local");
4084 &pretty_print_rule ("all-am:", "\t\t", @all);
4085 &depend ('.PHONY', 'all-am', 'all');
4090 my @local_headers = ();
4091 push @local_headers, '$(BUILT_SOURCES)'
4092 if &variable_defined ('BUILT_SOURCES');
4093 foreach my $one_name (@config_names)
4095 push @local_headers, basename ($one_name)
4096 if dirname ($one_name) eq $relative_dir;
4101 # We need to make sure config.h is built before we recurse.
4102 # We also want to make sure that built sources are built
4103 # before any ordinary `all' targets are run. We can't do this
4104 # by changing the order of dependencies to the "all" because
4105 # that breaks when using parallel makes. Instead we handle
4106 # things explicitly.
4107 $output_all .= ("all: " . join (' ', @local_headers)
4109 . '$(MAKE) $(AM_MAKEFLAGS) '
4110 . (&variable_defined ('SUBDIRS')
4111 ? 'all-recursive' : 'all-am')
4116 $output_all .= "all: " . (&variable_defined ('SUBDIRS')
4117 ? 'all-recursive' : 'all-am') . "\n\n";
4122 # Handle check merge target specially.
4123 sub do_check_merge_target
4125 if (&target_defined ('check-local'))
4127 # User defined local form of target. So include it.
4128 push (@check_tests, 'check-local');
4129 &depend ('.PHONY', 'check-local');
4132 # In --cygnus mode, check doesn't depend on all.
4135 # Just run the local check rules.
4136 &pretty_print_rule ('check-am:', "\t\t", @check);
4140 # The check target must depend on the local equivalent of
4141 # `all', to ensure all the primary targets are built. Then it
4142 # must build the local check rules.
4143 $output_rules .= "check-am: all-am\n";
4144 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4148 &pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
4152 &depend ('.PHONY', 'check', 'check-am');
4153 $output_rules .= ("check: "
4154 . (&variable_defined ('SUBDIRS')
4155 ? 'check-recursive' : 'check-am')
4159 # Handle all 'clean' targets.
4164 # Don't include `MAINTAINER'; it is handled specially below.
4165 foreach my $name ('MOSTLY', '', 'DIST')
4167 $transform{"${name}CLEAN"} = &variable_defined ("${name}CLEANFILES");
4170 # Built sources are automatically removed by maintainer-clean.
4171 push (@maintainer_clean_files, '$(BUILT_SOURCES)')
4172 if &variable_defined ('BUILT_SOURCES');
4173 push (@maintainer_clean_files, '$(MAINTAINERCLEANFILES)')
4174 if &variable_defined ('MAINTAINERCLEANFILES');
4176 $output_rules .= &file_contents ('clean',
4179 # Join with no space to avoid
4180 # spurious `test -z' success at
4182 => join ('', @maintainer_clean_files),
4184 # A space is required in the join here.
4185 => join (' ', @maintainer_clean_files)));
4189 # &depend ($CATEGORY, @DEPENDENDEES)
4190 # ----------------------------------
4191 # The target $CATEGORY depends on @DEPENDENDEES.
4194 my ($category, @dependendees) = @_;
4196 push (@{$dependencies{$category}}, @dependendees);
4201 # &target_cmp ($A, $B)
4202 # --------------------
4203 # Subroutine for &handle_factored_dependencies to let `.PHONY' be last.
4216 # &handle_factored_dependencies ()
4217 # --------------------------------
4218 # Handle everything related to gathered targets.
4219 sub handle_factored_dependencies
4222 foreach my $utarg ('uninstall-data-local', 'uninstall-data-hook',
4223 'uninstall-exec-local', 'uninstall-exec-hook')
4225 if (&target_defined ($utarg))
4228 $x =~ s/(data|exec)-//;
4229 &am_line_error ($utarg, "use `$x', not `$utarg'");
4233 if (&target_defined ('install-local'))
4235 &am_line_error ('install-local',
4236 "use `install-data-local' or `install-exec-local', "
4237 . "not `install-local'");
4240 if (!defined $options{'no-installinfo'}
4241 && &target_defined ('install-info-local'))
4243 &am_line_error ('install-info-local',
4244 "`install-info-local' target defined but "
4245 . "`no-installinfo' option not in use");
4248 # Install the -local hooks.
4249 foreach (keys %dependencies)
4251 # Hooks are installed on the -am targets.
4253 if (&target_defined ("$_-local"))
4255 depend ("$_-am", "$_-local");
4256 &depend ('.PHONY', "$_-local");
4260 # Install the -hook hooks.
4261 # FIXME: Why not be as liberal as we are with -local hooks?
4262 foreach ('install-exec', 'install-data')
4264 if (&target_defined ("$_-hook"))
4266 $actions{"$_-am"} .=
4267 ("\t\@\$(NORMAL_INSTALL)\n"
4268 . "\t" . '$(MAKE) $(AM_MAKEFLAGS) ' . "$_-hook\n");
4272 # All the required targets are phony.
4273 depend ('.PHONY', keys %required_targets);
4275 # Actually output gathered targets.
4276 foreach (sort target_cmp keys %dependencies)
4278 # If there is nothing about this guy, skip it.
4280 unless (@{$dependencies{$_}}
4282 || $required_targets{$_});
4283 &pretty_print_rule ("$_:", "\t",
4284 uniq (sort @{$dependencies{$_}}));
4285 $output_rules .= $actions{$_}
4286 if defined $actions{$_};
4287 $output_rules .= "\n";
4292 # &handle_tests_dejagnu ()
4293 # ------------------------
4294 sub handle_tests_dejagnu
4296 push (@check_tests, 'check-DEJAGNU');
4297 $output_rules .= file_contents ('dejagnu');
4301 # Handle TESTS variable and other checks.
4304 if (defined $options{'dejagnu'})
4306 &handle_tests_dejagnu;
4310 foreach my $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
4313 "`$c' defined but `dejagnu' not in `AUTOMAKE_OPTIONS'")
4314 if &variable_defined ($c);
4318 if (&variable_defined ('TESTS'))
4320 push (@check_tests, 'check-TESTS');
4321 $output_rules .= &file_contents ('check');
4325 # Handle Emacs Lisp.
4326 sub handle_emacs_lisp
4328 my @elfiles = &am_install_var ('-candist', 'lisp', 'LISP',
4331 return if ! @elfiles;
4333 # Generate .elc files.
4334 my @elcfiles = map { $_ . 'c' } @elfiles;
4335 &define_pretty_variable ('ELCFILES', '', @elcfiles);
4337 push (@all, '$(ELCFILES)');
4339 &am_error ("`lisp_LISP' defined but `AM_PATH_LISPDIR' not in `$configure_ac'")
4340 if ! $seen_lispdir && &variable_defined ('lisp_LISP');
4342 &require_file_with_conf_line ('AM_PATH_LISPDIR', $FOREIGN, 'elisp-comp');
4348 my @pyfiles = &am_install_var ('-defaultdist', 'python', 'PYTHON',
4349 'python', 'noinst');
4350 return if ! @pyfiles;
4352 # Found some python.
4353 &am_error ("`python_PYTHON' defined but `AM_PATH_PYTHON' not in `$configure_ac'")
4354 if ! $seen_pythondir && &variable_defined ('python_PYTHON');
4356 &require_file_with_conf_line ('AM_PATH_PYTHON', $FOREIGN, 'py-compile');
4357 &define_variable ('py_compile', $config_aux_dir . '/py-compile');
4363 my @sourcelist = &am_install_var ('-candist',
4365 'java', 'noinst', 'check');
4366 return if ! @sourcelist;
4368 my %valid = &am_primary_prefixes ('JAVA', 1,
4369 'java', 'noinst', 'check');
4372 foreach my $curs (keys %valid)
4374 if (! &variable_defined ($curs . '_JAVA') || $curs eq 'EXTRA')
4381 &am_line_error ($curs . '_JAVA',
4382 "multiple _JAVA primaries in use");
4387 push (@all, 'class' . $dir . '.stamp');
4391 # Handle some of the minor options.
4392 sub handle_minor_options
4394 if (defined $options{'readme-alpha'})
4396 if ($relative_dir eq '.')
4398 if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
4400 # FIXME: allow real filename.
4401 &am_conf_line_error ($configure_ac,
4402 $package_version_line,
4403 "version `$package_version' doesn't follow Gnits standards");
4405 elsif (defined $1 && -f 'README-alpha')
4407 # This means we have an alpha release. See
4408 # GNITS_VERSION_PATTERN for details.
4409 &require_file ($FOREIGN, 'README-alpha');
4415 ################################################################
4419 # &scan_autoconf_config_files ($CONFIG-FILES)
4420 # -------------------------------------------
4421 # Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
4423 sub scan_autoconf_config_files
4425 my ($config_files) = @_;
4426 # Look at potential Makefile.am's.
4427 foreach (split ' ', $config_files)
4429 # Must skip empty string for Perl 4.
4430 next if $_ eq "\\" || $_ eq '';
4432 # Handle $local:$input syntax. Note that we ignore
4433 # every input file past the first, though we keep
4434 # those around for later.
4435 my ($local, $input, @rest) = split (/:/);
4442 # FIXME: should be error if .in is missing.
4443 $input =~ s/\.in$//;
4446 if (-f $input . '.am')
4448 # We have a file that automake should generate.
4449 $make_list{$input} = join (':', ($local, @rest));
4453 # We have a file that automake should cause to be
4454 # rebuilt, but shouldn't generate itself.
4455 push (@other_input_files, $_);
4461 # &scan_autoconf_traces ($FILENAME)
4462 # ---------------------------------
4463 # FIXME: For the time being, we don't care about the FILENAME.
4464 sub scan_autoconf_traces
4466 my ($filename) = @_;
4468 my $traces = "$ENV{amtraces} ";
4470 $traces .= ' -t AC_CONFIG_FILES';
4471 $traces .= ' -t AC_LIBSOURCE';
4472 $traces .= ' -t AC_SUBST';
4474 my $tracefh = new IO::File ("$traces |");
4477 die "$me: couldn't open `$traces': $!\n";
4479 print "$me: reading $traces\n" if $verbose;
4481 while ($_ = $tracefh->getline)
4484 my ($file, $line, $macro, @args) = split /:/;
4485 my $here = "$file:$line";
4487 # Alphabetical ordering please.
4488 if ($macro eq 'AC_CONFIG_FILES')
4490 # Look at potential Makefile.am's.
4491 &scan_autoconf_config_files ($args[0]);
4493 elsif ($macro eq 'AC_LIBSOURCE')
4495 my $source = "$args[0].c";
4496 # We should actually also `close' the sources: getopt.c
4497 # wants getopt.h etc. But actually it should be done in the
4498 # macro itself, i.e., we have to first fix Autoconf to extend
4499 # _AC_LIBOBJ_DECL and use it the in various macros.
4500 if (!defined $libsources{$source})
4502 print STDERR "traces: discovered $source\n";
4503 $libsources{$source} = $here;
4506 elsif ($macro eq 'AC_SUBST')
4508 if (!defined $configure_vars{$args[0]})
4510 print STDERR "traces: discovered AC_SUBST($args[0])\n";
4511 $configure_vars{$args[0]} = $here;
4517 || die "$me: close: $traces: $!\n";
4521 # &scan_one_autoconf_file ($FILENAME)
4522 # -----------------------------------
4523 # Scan one file for interesting things. Subroutine of
4524 # &scan_autoconf_files.
4525 sub scan_one_autoconf_file
4527 my ($filename) = @_;
4529 my $configfh = new IO::File ("< $filename");
4532 die "$me: couldn't open `$filename': $!\n";
4534 print "$me: reading $filename\n" if $verbose;
4536 my ($in_ac_output, $in_ac_replace) = (0, 0);
4537 while ($_ = $configfh->getline)
4539 # Remove comments from current line.
4543 # Skip macro definitions. Otherwise we might be confused into
4544 # thinking that a macro that was only defined was actually
4548 # Follow includes. This is a weirdness commonly in use at
4549 # Cygnus and hopefully nowhere else.
4550 if (/sinclude\((.*)\)/ && -f $1)
4552 # $_ being local, if we don't preserve it, when coming
4553 # back we will have $_ undefined, which is bad for the
4554 # the rest of this routine.
4555 my $underscore = $_;
4556 &scan_one_autoconf_file ($1);
4560 # Populate libobjs array.
4561 if (/AC_FUNC_ALLOCA/)
4563 $libsources{'alloca.c'} = 1;
4565 elsif (/AC_FUNC_GETLOADAVG/)
4567 $libsources{'getloadavg.c'} = 1;
4569 elsif (/AC_FUNC_MEMCMP/)
4571 $libsources{'memcmp.c'} = 1;
4573 elsif (/AC_STRUCT_ST_BLOCKS/)
4575 $libsources{'fileblocks.c'} = 1;
4577 elsif (/A[CM]_REPLACE_GNU_GETOPT/)
4579 $libsources{'getopt.c'} = 1;
4580 $libsources{'getopt1.c'} = 1;
4582 elsif (/AM_FUNC_STRTOD/)
4584 $libsources{'strtod.c'} = 1;
4586 elsif (/AM_WITH_REGEX/)
4588 $libsources{'rx.c'} = 1;
4589 $libsources{'rx.h'} = 1;
4590 $libsources{'regex.c'} = 1;
4591 $libsources{'regex.h'} = 1;
4593 elsif (/AC_FUNC_MKTIME/)
4595 $libsources{'mktime.c'} = 1;
4597 elsif (/AM_FUNC_ERROR_AT_LINE/)
4599 $libsources{'error.c'} = 1;
4600 $libsources{'error.h'} = 1;
4602 elsif (/AM_FUNC_OBSTACK/)
4604 $libsources{'obstack.c'} = 1;
4605 $libsources{'obstack.h'} = 1;
4607 elsif (/LIBOBJS="(.*)\s+\$LIBOBJS"/
4608 || /LIBOBJS="\$LIBOBJS\s+(.*)"/)
4610 foreach my $libobj_iter (split (' ', $1))
4612 if ($libobj_iter =~ /^(.*)\.o(bj)?$/
4613 || $libobj_iter =~ /^(.*)\.\$ac_objext$/
4614 || $libobj_iter =~ /^(.*)\.\$\{ac_objext\}$/)
4616 $libsources{$1 . '.c'} = 1;
4620 elsif (/AC_LIBOBJ\(([^)]+)\)/)
4622 $libsources{"$1.c"} = 1;
4624 elsif (/AC_LIBSOURCE\(([^)]+)\)/)
4626 $libsources{&unquote_m4_arg ($1)} = 1;
4628 elsif (/AC_LIBSOURCES\(([^)]+)\)/)
4630 foreach my $lc_iter (split (/[, ]+/, &unquote_m4_arg ($1)))
4632 $libsources{$lc_iter} = 1;
4636 if (! $in_ac_replace && s/AC_REPLACE_FUNCS\s*\(\[?//)
4642 $in_ac_replace = 0 if s/[\]\)].*$//;
4643 # Remove trailing backslash.
4647 # Need to skip empty elements for Perl 4.
4649 $libsources{$_ . '.c'} = 1;
4653 if (/$obsolete_rx/o)
4656 if ($obsolete_macros{$1} ne '')
4658 $hint = '; ' . $obsolete_macros{$1};
4660 &am_conf_line_error ($filename, $., "`$1' is obsolete$hint");
4663 # Process the AC_OUTPUT and AC_CONFIG_FILES macros.
4664 if (! $in_ac_output && s/AC_(OUTPUT|CONFIG_FILES)\s*\(\[?//)
4667 $ac_output_line = $.;
4678 # Look at potential Makefile.am's.
4679 &scan_autoconf_config_files ($_);
4682 && scalar keys %make_list == 0
4683 && @other_input_files == 0)
4685 &am_conf_line_error ($filename, $ac_output_line,
4686 "No files mentioned in `AC_OUTPUT'");
4691 if (/$AC_CONFIG_AUX_DIR_PATTERN/o)
4693 @config_aux_path = &unquote_m4_arg ($1);
4694 $config_aux_dir_set_in_configure_in = 1;
4697 # Check for ansi2knr.
4698 $am_c_prototypes = 1 if /AM_C_PROTOTYPES/;
4700 # Check for `-c -o' code.
4701 $seen_cc_c_o = 1 if /AM_PROG_CC_C_O/;
4703 # Check for NLS support.
4704 if (/AM_GNU_GETTEXT/)
4707 $ac_gettext_line = $.;
4710 # Handle configuration headers. A config header of `[$1]'
4711 # means we are actually scanning AM_CONFIG_HEADER from
4713 if (/A([CM])_CONFIG_HEADERS?\s*\((.*)\)/
4717 ($filename, $., "`automake requires `AM_CONFIG_HEADER', not `AC_CONFIG_HEADER'")
4720 $config_header_line = $.;
4721 foreach my $one_hdr (split (' ', &unquote_m4_arg ($2)))
4723 push (@config_fullnames, $one_hdr);
4724 if ($one_hdr =~ /^([^:]+):(.+)$/)
4726 push (@config_names, $1);
4727 push (@config_headers, $2);
4731 push (@config_names, $one_hdr);
4732 push (@config_headers, $one_hdr . '.in');
4737 # Handle AC_CANONICAL_*. Always allow upgrading to
4738 # AC_CANONICAL_SYSTEM, but never downgrading.
4739 $seen_canonical = $AC_CANONICAL_HOST
4740 if ! $seen_canonical
4741 && (/AC_CANONICAL_HOST/ || /AC_CHECK_TOOL/);
4742 $seen_canonical = $AC_CANONICAL_SYSTEM if /AC_CANONICAL_SYSTEM/;
4744 # If using X, include some extra variable definitions. NOTE
4745 # we don't want to force these into CFLAGS or anything,
4746 # because not all programs will necessarily use X.
4749 foreach my $var ('X_CFLAGS', 'X_LIBS', 'X_EXTRA_LIBS',
4752 $configure_vars{$var} = $filename . ':' . $.
4756 # This macro handles several different things.
4757 if (/$AM_INIT_AUTOMAKE_PATTERN/o)
4759 ($package_version = $1) =~ s/$AM_PACKAGE_VERSION_PATTERN/$1/o;
4760 $package_version_line = $.;
4761 $seen_init_automake = 1;
4766 $configure_vars{'LEX'} = $filename . ':' . $.;
4767 $seen_decl_yytext = 1;
4769 if (/AC_DECL_YYTEXT/ && $filename =~ /configure\.(ac|in)$/)
4771 &am_conf_line_warning ($filename, $., "`AC_DECL_YYTEXT' is covered by `AM_PROG_LEX'");
4773 if (/AC_PROG_LEX/ && $filename =~ /configure\.(ac|in)$/)
4775 &am_conf_line_warning ($filename, $., "automake requires `AM_PROG_LEX', not `AC_PROG_LEX'");
4778 if (/AC_PROG_(F77|YACC|RANLIB|CC|CXXCPP|CXX|LEX|AWK|CPP|LN_S)/)
4780 $configure_vars{$1} = $filename . ':' . $.;
4782 if (/$AC_CHECK_PATTERN/o)
4784 $configure_vars{$3} = $filename . ':' . $.;
4786 if (/$AM_MISSING_PATTERN/o
4790 && $1 ne 'AUTOHEADER'
4791 # AM_INIT_AUTOMAKE is AM_MISSING_PROG'ing MAKEINFO. But
4792 # we handle it elsewhere.
4793 && $1 ne 'MAKEINFO')
4795 $configure_vars{$1} = $filename . ':' . $.;
4798 # Explicitly avoid ANSI2KNR -- we AC_SUBST that in protos.m4,
4799 # but later define it elsewhere. This is pretty hacky. We
4800 # also explicitly avoid INSTALL_SCRIPT and some other
4801 # variables because they are defined in header-vars.am.
4803 if (/$AC_SUBST_PATTERN/o
4805 && $1 ne 'INSTALL_SCRIPT'
4806 && $1 ne 'INSTALL_DATA')
4808 $configure_vars{$1} = $filename . ':' . $.;
4811 $seen_decl_yytext = 1 if /AC_DECL_YYTEXT/;
4812 if (/AM_MAINTAINER_MODE/)
4814 $seen_maint_mode = 1;
4815 $configure_cond{'MAINTAINER_MODE'} = 1;
4818 $seen_lispdir = 1 if /AM_PATH_LISPDIR/;
4820 if (/AM_PATH_PYTHON/)
4822 $seen_pythondir = 1;
4823 $configure_vars{'pythondir'} = $filename . ':' . $.;
4824 $configure_vars{'PYTHON'} = $filename . ':' . $.;
4827 if (/A(C|M)_PROG_LIBTOOL/)
4829 # We're not ready for this yet. People still use a
4830 # libtool with no AC_PROG_LIBTOOL. Once that is the
4831 # dominant version we can reenable this code -- but next
4832 # time by mentioning the macro in %obsolete_macros, both
4833 # here and in aclocal.in.
4835 # if (/AM_PROG_LIBTOOL/)
4837 # &am_conf_line_warning ($filename, $., "`AM_PROG_LIBTOOL' is obsolete, use `AC_PROG_LIBTOOL' instead");
4841 $configure_vars{'LIBTOOL'} = $filename . ':' . $.;
4842 $configure_vars{'RANLIB'} = $filename . ':' . $.;
4843 $configure_vars{'CC'} = $filename . ':' . $.;
4844 # AC_PROG_LIBTOOL runs AC_CANONICAL_HOST. Make sure we
4845 # never downgrade (if we've seen AC_CANONICAL_SYSTEM).
4846 $seen_canonical = $AC_CANONICAL_HOST if ! $seen_canonical;
4849 $seen_multilib = 1 if (/AM_ENABLE_MULTILIB/);
4851 if (/$AM_CONDITIONAL_PATTERN/o)
4853 $configure_cond{$1} = 1;
4856 # Check for Fortran 77 intrinsic and run-time libraries.
4857 if (/AC_F77_LIBRARY_LDFLAGS/)
4859 $configure_vars{'FLIBS'} = $filename . ':' . $.;
4867 # &scan_autoconf_files ()
4868 # -----------------------
4869 # Check whether we use `configure.ac' or `configure.in'.
4870 # Scan it (and possibly `aclocal.m4') for interesting things.
4871 # We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
4872 sub scan_autoconf_files
4874 # Reinitialize libsources here. This isn't really necessary,
4875 # since we currently assume there is only one configure.ac. But
4876 # that won't always be the case.
4879 warn "$me: both `configure.ac' and `configure.in' present:"
4880 . " ignoring `configure.in'\n"
4881 if -f 'configure.ac' && -f 'configure.in';
4882 $configure_ac = 'configure.in'
4883 if -f 'configure.in';
4884 $configure_ac = 'configure.ac'
4885 if -f 'configure.ac';
4886 die "$me: `configure.ac' or `configure.in' is required\n"
4889 &scan_one_autoconf_file ($configure_ac);
4890 &scan_one_autoconf_file ('aclocal.m4')
4893 if (defined $ENV{'amtraces'})
4895 warn '$me: Autoconf traces is an experimental feature';
4896 warn '$me: use at your own risks';
4898 &scan_autoconf_traces ($configure_ac);
4901 # Set input and output files if not specified by user.
4904 @input_files = sort keys %make_list;
4905 %output_files = %make_list;
4908 @configure_input_files = sort keys %make_list;
4910 &am_conf_error ("`AM_INIT_AUTOMAKE' must be used")
4911 if ! $seen_init_automake;
4913 # Look for some files we need. Always check for these. This
4914 # check must be done for every run, even those where we are only
4915 # looking at a subdir Makefile. We must set relative_dir so that
4916 # the file-finding machinery works.
4917 # FIXME: Is this broken because it needs dynamic scopes.
4918 # My tests seems to show it's not the case.
4919 $relative_dir = '.';
4920 &require_config_file ($FOREIGN, 'install-sh', 'mkinstalldirs', 'missing');
4921 &am_error ("`install.sh' is an anachronism; use `install-sh' instead")
4922 if -f $config_aux_path[0] . '/install.sh';
4924 &require_config_file ($FOREIGN, 'py-compile')
4927 # Preserve dist_common for later.
4928 $configure_dist_common = variable_value ('DIST_COMMON', 'TRUE') || '';
4931 ################################################################
4933 # Set up for Cygnus mode.
4936 return unless $cygnus_mode;
4938 &set_strictness ('foreign');
4939 $options{'no-installinfo'} = 1;
4940 $options{'no-dependencies'} = 1;
4941 $use_dependencies = 0;
4943 if (! $seen_maint_mode)
4945 &am_conf_error ("`AM_MAINTAINER_MODE' required when --cygnus specified");
4949 # Do any extra checking for GNU standards.
4950 sub check_gnu_standards
4952 if ($relative_dir eq '.')
4954 # In top level (or only) directory.
4955 &require_file ($GNU, 'INSTALL', 'NEWS', 'README', 'COPYING',
4956 'AUTHORS', 'ChangeLog');
4959 if ($strictness >= $GNU
4960 && defined $options{'no-installman'})
4962 &am_line_error ('AUTOMAKE_OPTIONS',
4963 "option `no-installman' disallowed by GNU standards");
4966 if ($strictness >= $GNU
4967 && defined $options{'no-installinfo'})
4969 &am_line_error ('AUTOMAKE_OPTIONS',
4970 "option `no-installinfo' disallowed by GNU standards");
4974 # Do any extra checking for GNITS standards.
4975 sub check_gnits_standards
4977 if ($relative_dir eq '.')
4979 # In top level (or only) directory.
4980 &require_file ($GNITS, 'THANKS');
4984 ################################################################
4986 # Functions to handle files of each language.
4988 # Each `lang_X_rewrite($DIRECTORY, $BASE, $EXT)' function follows a
4989 # simple formula: Return value is $LANG_SUBDIR if the resulting object
4990 # file should be in a subdir if the source file is, $LANG_PROCESS if
4991 # file is to be dealt with, $LANG_IGNORE otherwise.
4993 # Much of the actual processing is handled in
4994 # handle_single_transform_list. These functions exist so that
4995 # auxiliary information can be recorded for a later cleanup pass.
4996 # Note that the calls to these functions are computed, so don't bother
4997 # searching for their precise names in the source.
4999 # This is just a convenience function that can be used to determine
5000 # when a subdir object should be used.
5003 return defined $options{'subdir-objects'} ? $LANG_SUBDIR : $LANG_PROCESS;
5006 # Rewrite a single C source file.
5009 my ($directory, $base, $ext) = @_;
5011 if (defined $options{'ansi2knr'} && $base =~ /_$/)
5013 # FIXME: include line number in error.
5014 &am_error ("C source file `$base.c' would be deleted by ansi2knr rules");
5017 my $r = $LANG_PROCESS;
5018 if (defined $options{'subdir-objects'})
5021 $base = $directory . '/' . $base;
5025 # Only give error once.
5027 # FIXME: line number.
5028 &am_error ("C objects in subdir but `AM_PROG_CC_C_O' not in `$configure_ac'");
5031 &require_config_file ($FOREIGN, 'compile');
5034 $de_ansi_files{$base} = 1;
5038 # Rewrite a single C++ source file.
5039 sub lang_cxx_rewrite
5041 return &lang_sub_obj;
5044 # Rewrite a single header file.
5045 sub lang_header_rewrite
5047 # Header files are simply ignored.
5048 return $LANG_IGNORE;
5051 # Rewrite a single yacc file.
5052 sub lang_yacc_rewrite
5054 my ($directory, $base, $ext) = @_;
5056 my $r = &lang_sub_obj;
5057 (my $newext = $ext) =~ tr/y/c/;
5058 return ($r, $newext);
5061 # Rewrite a single yacc++ file.
5062 sub lang_yaccxx_rewrite
5064 my ($directory, $base, $ext) = @_;
5066 my $r = &lang_sub_obj;
5067 (my $newext = $ext) =~ tr/y/c/;
5068 return ($r, $newext);
5071 # Rewrite a single lex file.
5072 sub lang_lex_rewrite
5074 my ($directory, $base, $ext) = @_;
5076 my $r = &lang_sub_obj;
5077 (my $newext = $ext) =~ tr/l/c/;
5078 return ($r, $newext);
5081 # Rewrite a single lex++ file.
5082 sub lang_lexxx_rewrite
5084 my ($directory, $base, $ext) = @_;
5086 my $r = &lang_sub_obj;
5087 (my $newext = $ext) =~ tr/l/c/;
5088 return ($r, $newext);
5091 # Rewrite a single assembly file.
5092 sub lang_asm_rewrite
5094 return &lang_sub_obj;
5097 # Rewrite a single Fortran 77 file.
5098 sub lang_f77_rewrite
5100 return $LANG_PROCESS;
5103 # Rewrite a single preprocessed Fortran 77 file.
5104 sub lang_ppf77_rewrite
5106 return $LANG_PROCESS;
5109 # Rewrite a single ratfor file.
5110 sub lang_ratfor_rewrite
5112 return $LANG_PROCESS;
5115 # Rewrite a single Objective C file.
5116 sub lang_objc_rewrite
5118 return &lang_sub_obj;
5121 # Rewrite a single Java file.
5122 sub lang_java_rewrite
5124 return $LANG_SUBDIR;
5127 # The lang_X_finish functions are called after all source file
5128 # processing is done. Each should handle defining rules for the
5129 # language, etc. A finish function is only called if a source file of
5130 # the appropriate type has been seen.
5134 # Push all libobjs files onto de_ansi_files. We actually only
5135 # push files which exist in the current directory, and which are
5136 # genuine source files.
5137 foreach my $file (keys %libsources)
5139 if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
5141 $de_ansi_files{$1} = 1;
5145 if (defined $options{'ansi2knr'} && keys %de_ansi_files)
5147 # Make all _.c files depend on their corresponding .c files.
5149 foreach my $base (sort keys %de_ansi_files)
5151 # Each _.c file must depend on ansi2knr; otherwise it
5152 # might be used in a parallel build before it is built.
5153 # We need to support files in the srcdir and in the build
5154 # dir (because these files might be auto-generated. But
5155 # we can't use $< -- some makes only define $< during a
5157 $output_rules .= ($base . "_.c: $base.c \$(ANSI2KNR)\n\t"
5158 . '$(CPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
5159 . '`if test -f $(srcdir)/' . $base . '.c'
5160 . '; then echo $(srcdir)/' . $base . '.c'
5161 . '; else echo ' . $base . '.c; fi` '
5162 . "| sed 's/^# \\([0-9]\\)/#line \\1/' "
5163 . '| $(ANSI2KNR) > ' . $base . "_.c"
5164 # If ansi2knr fails then we shouldn't
5165 # create the _.c file
5166 . " || rm -f ${base}_.c\n");
5167 push (@objects, $base . '_.$(OBJEXT)');
5168 push (@objects, $base . '_.lo')
5172 # Make all _.o (and _.lo) files depend on ansi2knr.
5173 # Use a sneaky little hack to make it print nicely.
5174 &pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
5178 # This is a yacc helper which is called whenever we have decided to
5179 # compile a yacc file.
5180 sub lang_yacc_target_hook
5182 my ($self, $aggregate, $output, $input) = @_;
5184 my $flag = $aggregate . "_YFLAGS";
5185 if ((&variable_defined ($flag)
5186 && &variable_value ($flag) =~ /$DASH_D_PATTERN/o)
5187 || (&variable_defined ('YFLAGS')
5188 && &variable_value ('YFLAGS') =~ /$DASH_D_PATTERN/o))
5190 (my $output_base = $output) =~ s/\..*$//;
5191 my $header = $output_base . '.h';
5193 # Found a `-d' that applies to the compilation of this file.
5194 # Add a dependency for the generated header file, and arrange
5195 # for that file to be included in the distribution.
5196 # FIXME: this fails for `nodist_*_SOURCES'.
5197 $output_rules .= "${header}: $output\n";
5198 &push_dist_common ($header);
5199 # If the files are built in the build directory, then we want
5200 # to remove them with `make clean'. If they are in srcdir
5201 # they shouldn't be touched. However, we can't determine this
5202 # statically, and the GNU rules say that yacc/lex output files
5203 # should be removed by maintainer-clean. So that's what we
5205 push (@maintainer_clean_files, $header);
5209 # This is a helper for both lex and yacc.
5210 sub yacc_lex_finish_helper
5212 return if defined $language_scratch{'lex-yacc-done'};
5213 $language_scratch{'lex-yacc-done'} = 1;
5215 # If there is more than one distinct yacc (resp lex) source file
5216 # in a given directory, then the `ylwrap' program is required to
5217 # allow parallel builds to work correctly. FIXME: for now, no
5219 &require_config_file ($FOREIGN, 'ylwrap');
5220 if ($config_aux_dir_set_in_configure_in)
5222 &define_variable ('YLWRAP', $config_aux_dir . "/ylwrap");
5226 &define_variable ('YLWRAP', '$(top_srcdir)/ylwrap');
5230 sub lang_yacc_finish
5232 return if defined $language_scratch{'yacc-done'};
5233 $language_scratch{'yacc-done'} = 1;
5235 if (&variable_defined ('YACCFLAGS'))
5237 &am_line_error ('YACCFLAGS',
5238 "`YACCFLAGS' obsolete; use `YFLAGS' instead");
5241 if (count_files_for_language ('yacc') > 1)
5243 &yacc_lex_finish_helper;
5250 return if defined $language_scratch{'lex-done'};
5251 $language_scratch{'lex-done'} = 1;
5253 if (! $seen_decl_yytext)
5255 &am_error ("lex source seen but `AC_DECL_YYTEXT' not in `$configure_ac'");
5258 if (count_files_for_language ('lex') > 1)
5260 &yacc_lex_finish_helper;
5265 # Given a hash table of linker names, pick the name that has the most
5266 # precedence. This is lame, but something has to have global
5267 # knowledge in order to eliminate the conflict. Add more linkers as
5274 if defined $linkers{'GCJLINK'};
5276 if defined $linkers{'CXXLINK'};
5278 if defined $linkers{'F77LINK'};
5280 if defined $linkers{'OBJCLINK'};
5284 # Called to indicate that an extension was used.
5288 if (! defined $extension_seen{$ext})
5290 $extension_seen{$ext} = 1;
5294 ++$extension_seen{$ext};
5298 # Return the number of files seen for a given language. Knows about
5299 # special cases we care about. FIXME: this is hideous. We need
5300 # something that involves real language objects. For instance yacc
5301 # and yaccxx could both derive from a common yacc class which would
5302 # know about the strange ylwrap requirement. (Or better yet we could
5303 # just not support legacy yacc!)
5304 sub count_files_for_language
5309 if ($name eq 'yacc' || $name eq 'yaccxx')
5311 @names = ('yacc', 'yaccxx');
5313 elsif ($name eq 'lex' || $name eq 'lexxx')
5315 @names = ('lex', 'lexxx');
5323 foreach $name (@names)
5325 my $lang = $languages{$name};
5326 foreach my $ext (@{$lang->extensions})
5328 $r += $extension_seen{$ext}
5329 if defined $extension_seen{$ext};
5336 # Called to ask whether source files have been seen . If HEADERS is 1,
5337 # headers can be included.
5342 # count all the sources
5344 foreach my $val (values %extension_seen)
5351 $count -= count_files_for_language ('header');
5358 # register_language (%ATTRIBUTE)
5359 # ------------------------------
5360 # Register a single language.
5361 # Each %ATTRIBUTE is of the form ATTRIBUTE => VALUE.
5362 sub register_language (%)
5368 unless defined $option{'ansi'};
5369 $option{'autodep'} = 'no'
5370 unless defined $option{'autodep'};
5371 $option{'linker'} = ''
5372 unless defined $option{'linker'};
5373 $option{'define_flag'} = 1
5374 unless defined $option{'define_flag'};
5376 my $lang = new Language (%option);
5379 grep ($extension_map{$_} = $lang->name, @{$lang->extensions});
5380 $languages{$lang->name} = $lang;
5383 # This function is used to find a path from a user-specified suffix to
5384 # `o' or to some other suffix we recognize internally, eg `cc'.
5387 my ($source_ext) = @_;
5389 # FIXME: hard-coding `o' is a mistake. Doing something
5390 # intelligent is harder.
5391 while (! $extension_map{$source_ext}
5392 && $source_ext ne 'o'
5393 && defined $suffix_rules{$source_ext})
5395 $source_ext = $suffix_rules{$source_ext};
5402 ################################################################
5404 # Pretty-print something. HEAD is what should be printed at the
5405 # beginning of the first line, FILL is what should be printed at the
5406 # beginning of every subsequent line.
5407 sub pretty_print_internal
5409 my ($head, $fill, @values) = @_;
5411 my $column = length ($head);
5414 # Fill length is number of characters. However, each Tab
5415 # character counts for eight. So we count the number of Tabs and
5417 my $fill_length = length ($fill);
5418 $fill_length += 7 * ($fill =~ tr/\t/\t/d);
5422 # "71" because we also print a space.
5423 if ($column + length ($_) > 71)
5425 $result .= " \\\n" . $fill;
5426 $column = $fill_length;
5428 $result .= ' ' if $result =~ /\S\z/;
5430 $column += length ($_) + 1;
5437 # Pretty-print something and append to output_vars.
5440 $output_vars .= &pretty_print_internal (@_);
5443 # Pretty-print something and append to output_rules.
5444 sub pretty_print_rule
5446 $output_rules .= &pretty_print_internal (@_);
5450 ################################################################
5454 # &conditional_string(@COND-STACK)
5455 # --------------------------------
5456 # Build a string which denotes the conditional in @COND-STACK. Some
5457 # simplifications are done: `TRUE' entries are elided, and any `FALSE'
5458 # entry results in a return of `FALSE'.
5459 sub conditional_string
5463 if (grep (/^FALSE$/, @stack))
5469 return join (' ', uniq sort grep (!/^TRUE$/, @stack));
5475 # &conditional_true_when ($COND, $WHEN)
5476 # -------------------------------------
5477 # See if a conditional is true. Both arguments are conditional
5478 # strings. This returns true if the first conditional is true when
5479 # the second conditional is true.
5480 # For instance with $COND = `BAR FOO', and $WHEN = `BAR BAZ FOO',
5481 # obviously return 1, and 0 when, for instance, $WHEN = `FOO'.
5482 sub conditional_true_when ($$)
5484 my ($cond, $when) = @_;
5486 # Make a hash holding all the values from $WHEN.
5487 my %cond_vals = map { $_ => 1 } split (' ', $when);
5489 # Check each component of $cond, which looks `COND1 COND2'.
5490 foreach my $comp (split (' ', $cond))
5492 # TRUE is always true.
5493 next if $comp eq 'TRUE';
5494 return 0 if ! defined $cond_vals{$comp};
5502 # &conditional_is_redundant ($COND, @WHENS)
5503 # ----------------------------------------
5504 # Determine whether $COND is redundant with respect to @WHENS.
5506 # Returns true if $COND is true for any of the conditions in @WHENS.
5508 # If there are no @WHENS, then behave as if @WHENS contained a single empty
5510 sub conditional_is_redundant ($@)
5512 my ($cond, @whens) = @_;
5516 return 1 if conditional_true_when ($cond, "");
5520 foreach my $when (@whens)
5522 return 1 if conditional_true_when ($cond, $when);
5531 # condition_negate ($COND)
5532 # ------------------------
5533 sub condition_negate ($)
5537 $cond =~ s/TRUE$/TRUEO/;
5538 $cond =~ s/FALSE$/TRUE/;
5539 $cond =~ s/TRUEO$/FALSE/;
5545 # Compare condition names.
5546 # Issue them in alphabetical order, foo_TRUE before foo_FALSE.
5549 # Be careful we might be comparing `' or `#'.
5550 $a =~ /^(.*)_(TRUE|FALSE)$/;
5551 my ($aname, $abool) = ($1 || '', $2 || '');
5552 $b =~ /^(.*)_(TRUE|FALSE)$/;
5553 my ($bname, $bbool) = ($1 || '', $2 || '');
5554 return ($aname cmp $bname
5555 # Don't bother with IFs, given that TRUE is after FALSE
5556 # just cmp in the reverse order.
5557 || $bbool cmp $abool
5563 # &make_condition (@CONDITIONS)
5564 # -----------------------------
5565 # Transform a list of conditions (themselves can be an internal list
5566 # of conditions, e.g., @CONDITIONS = ('cond1 cond2', 'cond3')) into a
5567 # Make conditional (a pattern for AC_SUBST).
5568 # Correctly returns the empty string when there are no conditions.
5571 my $res = conditional_string (@_);
5573 # There are no conditions.
5579 elsif ($res eq 'FALSE')
5586 $res = '@' . $res . '@';
5595 ## ------------------------------ ##
5596 ## Handling the condition stack. ##
5597 ## ------------------------------ ##
5601 # cond_stack_if ($NEGATE, $COND, $WHERE)
5602 # --------------------------------------
5603 sub cond_stack_if ($$$)
5605 my ($negate, $cond, $where) = @_;
5607 &am_file_error ($where, "$cond does not appear in AM_CONDITIONAL")
5608 if ! $configure_cond{$cond} && $cond !~ /^TRUE|FALSE$/;
5610 $cond = "${cond}_TRUE"
5611 unless $cond =~ /^TRUE|FALSE$/;
5612 $cond = condition_negate ($cond)
5615 push (@cond_stack, $cond);
5617 return conditional_string (@cond_stack);
5622 # cond_stack_else ($NEGATE, $COND, $WHERE)
5623 # ----------------------------------------
5624 sub cond_stack_else ($$$)
5626 my ($negate, $cond, $where) = @_;
5630 &am_file_error ($where, "else without if");
5634 $cond_stack[$#cond_stack] = condition_negate ($cond_stack[$#cond_stack]);
5636 # If $COND is given, check against it.
5639 $cond = "${cond}_TRUE"
5640 unless $cond =~ /^TRUE|FALSE$/;
5641 $cond = condition_negate ($cond)
5644 &am_file_error ($where,
5645 "else reminder ($negate$cond) incompatible with "
5646 . "current conditional: $cond_stack[$#cond_stack]")
5647 if $cond_stack[$#cond_stack] ne $cond;
5650 return conditional_string (@cond_stack);
5655 # cond_stack_endif ($NEGATE, $COND, $WHERE)
5656 # -----------------------------------------
5657 sub cond_stack_endif ($$$)
5659 my ($negate, $cond, $where) = @_;
5664 &am_file_error ($where, "endif without if: $negate$cond");
5669 # If $COND is given, check against it.
5672 $cond = "${cond}_TRUE"
5673 unless $cond =~ /^TRUE|FALSE$/;
5674 $cond = condition_negate ($cond)
5677 &am_file_error ($where,
5678 "endif reminder ($negate$cond) incompatible with "
5679 . "current conditional: $cond_stack[$#cond_stack]")
5680 if $cond_stack[$#cond_stack] ne $cond;
5685 return conditional_string (@cond_stack);
5692 ## ------------------------ ##
5693 ## Handling the variables. ##
5694 ## ------------------------ ##
5697 # check_ambiguous_conditional ($VAR, $COND)
5698 # -----------------------------------------
5699 # Check for an ambiguous conditional. This is called when a variable
5700 # is being defined conditionally. If we already know about a
5701 # definition that is true under the same conditions, then we have an
5703 sub check_ambiguous_conditional ($$)
5705 my ($var, $cond) = @_;
5706 foreach my $vcond (keys %{$var_value{$var}})
5709 if ($vcond eq $cond)
5711 $message = "$var multiply defined in condition $cond";
5713 elsif (&conditional_true_when ($vcond, $cond))
5715 $message = ("$var was already defined in condition $vcond, "
5716 . "which implies condition $cond");
5718 elsif (&conditional_true_when ($cond, $vcond))
5720 $message = ("$var was already defined in condition $vcond, "
5721 . "which is implied by condition $cond");
5725 &am_line_error ($var, $message);
5732 # ¯o_define($VAR, $VAR_IS_AM, $TYPE, $COND, $VALUE, $WHERE)
5733 # -------------------------------------------------------------
5734 # The $VAR can go from Automake to user, but not the converse.
5735 sub macro_define ($$$$$$)
5737 my ($var, $var_is_am, $type, $cond, $value, $where) = @_;
5739 am_file_error ($where, "bad macro name `$var'")
5740 if $var !~ /$MACRO_PATTERN/o;
5744 # An Automake variable must be consistently defined with the same
5745 # sign by Automake. A user variable must be set by either `=' or
5746 # `:=', and later promoted to `+='.
5749 if (defined $var_type{$var} && $var_type{$var} ne $type)
5751 am_line_error ($var,
5752 ("$var was set with `$var_type{$var}=' "
5753 . "and is now set with `$type='"));
5758 if (!defined $var_type{$var} && $type eq '+')
5760 am_line_error ($var, "$var must be set with `=' before using `+='");
5763 $var_type{$var} = $type;
5765 # When adding, since we rewrite, don't try to preserve the
5766 # Automake continuation backslashes.
5768 if $type eq '+' && $var_is_am;
5770 # Differentiate the first assignment (including with `+=').
5771 if ($type eq '+' && defined $var_value{$var}{$cond})
5773 if (substr ($var_value{$var}{$cond}, -1) eq "\n")
5775 # Insert a backslash before a trailing newline.
5776 $var_value{$var}{$cond} =
5777 substr ($var_value{$var}{$cond}, 0, -1) . "\\\n";
5779 elsif ($var_value{$var}{$cond})
5781 # Insert a separator.
5782 $var_value{$var}{$cond} .= ' ';
5784 $var_value{$var}{$cond} .= $value;
5788 # The first assignment to a macro sets the line number. Ideally I
5789 # suppose we would associate line numbers with random bits of text.
5790 # FIXME: We sometimes redefine some variables, but we want to keep
5791 # the original location. More subs are needed to handle
5792 # properly variables. Once this done, remove this hack.
5793 $var_line{$var} = $where
5794 unless defined $var_line{$var};
5796 # If Automake tries to override a value specified by the user,
5797 # just don't let it do.
5798 if (defined $var_value{$var}{$cond} && !$var_is_am{$var} && $var_is_am)
5802 print STDERR "$me: refusing to override the user definition of:\n";
5804 print STDERR "$me: with `$cond' => `$value'\n";
5809 # There must be no previous value unless the user is redefining
5810 # an Automake variable or an AC_SUBST variable.
5811 check_ambiguous_conditional ($var, $cond)
5812 unless ($var_is_am{$var} && !$var_is_am
5813 || exists $configure_vars{$var});
5815 $var_value{$var}{$cond} = $value;
5819 # An Automake variable can be given to the user, but not the converse.
5820 if (! defined $var_is_am{$var} || !$var_is_am)
5822 $var_is_am{$var} = $var_is_am;
5827 # &variable_delete ($VAR, [@CONDS])
5828 # ---------------------------------
5829 # Forget about $VAR under the conditions @CONDS, or completely if
5831 sub variable_delete ($@)
5833 my ($var, @conds) = @_;
5837 delete $var_value{$var};
5838 delete $var_line{$var};
5839 delete $var_is_am{$var};
5840 delete $var_comment{$var};
5841 delete $var_type{$var};
5845 foreach my $cond (@conds)
5847 delete $var_value{$var}{$cond};
5853 # ¯o_dump ($VAR)
5854 # ------------------
5859 if (!exists $var_value{$var})
5861 print STDERR " $var does not exist\n";
5865 my $var_is_am = $var_is_am{$var} ? "Automake" : "User";
5866 my $where = (defined $var_line{$var}
5867 ? $var_line{$var} : "undefined");
5868 print STDERR "$var_comment{$var}"
5869 if defined $var_comment{$var};
5870 print STDERR " $var ($var_is_am, where = $where) $var_type{$var}=\n";
5871 print STDERR " {\n";
5872 foreach my $vcond (sort by_condition keys %{$var_value{$var}})
5874 print STDERR " $vcond => $var_value{$var}{$vcond}\n";
5876 print STDERR " }\n";
5887 print STDERR "%var_value =\n";
5889 foreach my $var (sort (keys %var_value))
5898 # &variable_defined ($VAR, [$COND])
5899 # ---------------------------------
5900 # See if a variable exists. $VAR is the variable name, and $COND is
5901 # the condition which we should check. If no condition is given, we
5902 # currently return true if the variable is defined under any
5904 sub variable_defined ($$)
5906 my ($var, $cond) = @_;
5908 # Unfortunately we can't just check for $var_value{VAR}{COND}
5909 # as this would make perl create $condition{VAR}, which we
5911 if (!exists $var_value{$var})
5913 if (defined $targets{$var})
5915 &am_line_error ($var, "`$var' is a target; expected a variable")
5917 # The variable is not defined
5921 if ($cond && !exists $var_value{$var}{$cond})
5923 # The variable is not defined for the given condition.
5927 # Even a var_value examination is good enough for us. FIXME:
5928 # really should maintain examined status on a per-condition basis.
5929 $content_seen{$var} = 1;
5933 # Mark a variable as examined.
5934 sub examine_variable
5937 &variable_defined ($var);
5940 # Return the set of conditions for which a variable is defined.
5942 # If the variable is not defined conditionally, and is not defined in
5943 # terms of any variables which are defined conditionally, then this
5944 # returns the empty list.
5946 # If the variable is defined conditionally, but is not defined in
5947 # terms of any variables which are defined conditionally, then this
5948 # returns the list of conditions for which the variable is defined.
5950 # If the variable is defined in terms of any variables which are
5951 # defined conditionally, then this returns a full set of permutations
5952 # of the subvariable conditions. For example, if the variable is
5953 # defined in terms of a variable which is defined for COND_TRUE,
5954 # then this returns both COND_TRUE and COND_FALSE. This is
5955 # because we will need to define the variable under both conditions.
5957 sub variable_conditions_recursive ($)
5965 my @new_conds = &variable_conditions_recursive_sub ($var, '');
5966 # Now we want to return all permutations of the subvariable
5969 foreach my $item (@new_conds)
5971 foreach (split (' ', $item))
5973 s/^(.*)_(TRUE|FALSE)$/$1_TRUE/;
5977 @new_conds = &variable_conditions_permutations (sort keys %allconds);
5979 foreach my $cond (@new_conds)
5981 my $reduce = &variable_conditions_reduce (split (' ', $cond));
5983 if $reduce eq 'FALSE';
5984 $uniqify{$cond} = 1;
5987 @uniq_list = sort by_condition keys %uniqify;
5988 # Note we cannot just do `return sort keys %uniqify', because this
5989 # function is sometimes used in a scalar context.
5994 # variable_conditions ($VAR)
5995 # ---------------------------------------
5996 # Get the list of conditions that a variable is defined with, without
5997 # recursing through the conditions of any subvariables.
5998 # Argument is $VAR: the variable to get the conditions of.
5999 # Returns the list of conditions.
6000 sub variable_conditions ($)
6003 my @conds = keys %{$var_value{$var}};
6009 # &variable_conditionally_defined ($VAR)
6010 # --------------------------------------
6011 sub variable_conditionally_defined ($)
6014 foreach my $cond (variable_conditions_recursive ($var))
6017 unless $cond =~ /^TRUE|FALSE$/;
6024 # &variable_conditions_recursive_sub ($VAR, $PARENT)
6025 # -------------------------------------------------------
6026 # A subroutine of variable_conditions_recursive. This returns all the
6027 # conditions of $VAR, including those of any sub-variables.
6028 sub variable_conditions_recursive_sub
6030 my ($var, $parent) = @_;
6033 if (defined $vars_scanned{$var})
6035 &am_line_error ($parent, "variable `$var' recursively defined");
6038 $vars_scanned{$var} = 1;
6040 my @this_conds = ();
6041 # Examine every condition under which $VAR is defined.
6042 foreach my $vcond (keys %{$var_value{$var}})
6044 push (@this_conds, $vcond);
6046 # If $VAR references some other variable, then compute the
6047 # conditions for that subvariable.
6048 my @subvar_conds = ();
6049 foreach (split (' ', $var_value{$var}{$vcond}))
6051 # If a comment seen, just leave.
6054 # Handle variable substitutions.
6055 if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
6058 if ($varname =~ /$SUBST_REF_PATTERN/o)
6064 # Here we compute all the conditions under which the
6065 # subvariable is defined. Then we go through and add
6067 my @svc = &variable_conditions_recursive_sub ($varname, $var);
6068 foreach my $item (@svc)
6070 my $val = conditional_string ($vcond, split (' ', $item));
6072 push (@subvar_conds, $val);
6077 # If there are no conditional subvariables, then we want to
6078 # return this condition. Otherwise, we want to return the
6079 # permutations of the subvariables, taking into account the
6080 # conditions of $VAR.
6081 if (! @subvar_conds)
6083 push (@new_conds, $vcond);
6087 push (@new_conds, &variable_conditions_reduce (@subvar_conds));
6091 # Unset our entry in vars_scanned. We only care about recursive
6093 delete $vars_scanned{$var};
6095 # If we are being called on behalf of another variable, we need to
6096 # return all possible permutations of the conditions. We have
6097 # already handled everything in @this_conds along with their
6098 # subvariables. We now need to add any permutations that are not
6100 foreach my $this_cond (@this_conds)
6103 &variable_conditions_permutations (split(' ', $this_cond));
6104 foreach my $perm (@perms)
6107 foreach my $scan (@this_conds)
6109 if (&conditional_true_when ($perm, $scan)
6110 || &conditional_true_when ($scan, $perm))
6118 # This permutation was not already handled, and is valid
6120 push (@new_conds, $perm);
6128 # Filter a list of conditionals so that only the exclusive ones are
6129 # retained. For example, if both `COND1_TRUE COND2_TRUE' and
6130 # `COND1_TRUE' are in the list, discard the latter.
6131 # If the list is empty, return TRUE
6132 sub variable_conditions_reduce
6139 $cond = shift(@conds);
6141 # FALSE is absorbent.
6142 if ($cond eq 'FALSE')
6146 elsif (!conditional_is_redundant ($cond, @ret, @conds))
6152 return "TRUE" if @ret == 0;
6157 # invert_conditions (@CONDS)
6158 # --------------------------
6159 # Invert a list of conditionals. Returns a set of conditionals which
6160 # are never true for any of the input conditionals, and when taken
6161 # together with the input conditionals cover all possible cases.
6163 # For example: invert_conditions("A_TRUE B_TRUE", "A_FALSE B_FALSE") will
6164 # return ("A_FALSE B_TRUE", "A_TRUE B_FALSE")
6165 sub invert_conditions
6170 foreach my $cond (@conds)
6172 foreach my $perm (variable_conditions_permutations (split(' ', $cond)))
6174 push @notconds, $perm
6175 if ! conditional_is_redundant ($perm, @conds);
6178 return variable_conditions_reduce (@notconds);
6181 # Return a list of permutations of a conditional string.
6182 sub variable_conditions_permutations
6187 my $comp = shift (@comps);
6188 return &variable_conditions_permutations (@comps)
6190 my $neg = condition_negate ($comp);
6193 foreach my $sub (&variable_conditions_permutations (@comps))
6195 push (@ret, "$comp $sub");
6196 push (@ret, "$neg $sub");
6208 # &check_variable_defined_unconditionally($VAR, $PARENT)
6209 # ------------------------------------------------------
6210 # Warn if a variable is conditionally defined. This is called if we
6211 # are using the value of a variable.
6212 sub check_variable_defined_unconditionally ($$)
6214 my ($var, $parent) = @_;
6215 foreach my $cond (keys %{$var_value{$var}})
6218 if $cond =~ /^TRUE|FALSE$/;
6222 &am_line_error ($parent,
6223 "warning: automake does not support conditional definition of $var in $parent");
6227 &am_line_error ($parent,
6228 "warning: automake does not support $var being defined conditionally");
6234 # Get the TRUE value of a variable, warn if the variable is
6235 # conditionally defined.
6239 &check_variable_defined_unconditionally ($var);
6240 return $var_value{$var}{'TRUE'};
6245 # &value_to_list ($VAR, $VAL, $COND)
6246 # ----------------------------------
6247 # Convert a variable value to a list, split as whitespace. This will
6248 # recursively follow $(...) and ${...} inclusions. It preserves @...@
6251 # If COND is 'all', then all values under all conditions should be
6252 # returned; if COND is a particular condition (all conditions are
6253 # surrounded by @...@) then only the value for that condition should
6254 # be returned; otherwise, warn if VAR is conditionally defined.
6255 # SCANNED is a global hash listing whose keys are all the variables
6256 # already scanned; it is an error to rescan a variable.
6259 my ($var, $val, $cond) = @_;
6263 $val =~ s/\\(\n|$)/ /g;
6265 foreach (split (' ', $val))
6267 # If a comment seen, just leave.
6270 # Handle variable substitutions.
6271 if (/^\$\{([^}]*)\}$/ || /^\$\(([^)]*)\)$/)
6275 # If the user uses a losing variable name, just ignore it.
6276 # This isn't ideal, but people have requested it.
6277 next if ($varname =~ /\@.*\@/);
6281 if ($varname =~ /$SUBST_REF_PATTERN/o)
6285 ($from = $2) =~ s/(\W)/\\$1/g;
6289 @temp_list = &variable_value_as_list_recursive_worker ($1, $cond, $var);
6291 # Now rewrite the value if appropriate.
6294 grep (s/$from$/$to/, @temp_list);
6297 push (@result, @temp_list);
6309 # variable_value_as_list ($VAR, $COND, $PARENT)
6310 # ---------------------------------------------
6311 # Get the value of a variable given a specified condition. without
6312 # recursing through any subvariables.
6314 # $VAR is the variable
6315 # $COND is the condition. If this is not given, the value for the
6316 # "TRUE" condition will be returned.
6317 # $PARENT is the variable in which the variable is used: this is used
6318 # only for error messages.
6319 # Returns the list of conditions.
6320 # For example, if A is defined as "foo $(B) bar", and B is defined as
6321 # "baz", this will return ("foo", "$(B)", "bar")
6322 sub variable_value_as_list
6324 my ($var, $cond, $parent) = @_;
6328 if (! defined $var_value{$var})
6330 if (defined $targets{$var})
6332 &am_line_error ($var, "`$var' is a target; expected a variable");
6336 &am_line_error ($parent, "variable `$var' not defined");
6340 # Get value for given condition
6343 foreach my $vcond (keys %{$var_value{$var}})
6345 my $val = $var_value{$var}{$vcond};
6347 if (&conditional_true_when ($vcond, $cond))
6349 # Unless variable is not defined conditionally, there should only
6350 # be one value of $vcond true when $cond.
6351 &check_variable_defined_unconditionally ($var, $parent)
6356 $val =~ s/\\(\n|$)/ /g;
6358 foreach (split (' ', $val))
6360 # If a comment seen, just leave.
6371 # Return contents of variable as list, split as whitespace. This will
6372 # recursively follow $(...) and ${...} inclusions. It preserves @...@
6373 # substitutions. If COND is 'all', then all values under all
6374 # conditions should be returned; if COND is a particular condition
6375 # (all conditions are surrounded by @...@) then only the value for
6376 # that condition should be returned; otherwise, warn if VAR is
6377 # conditionally defined. If PARENT is specified, it is the name of
6378 # the including variable; this is only used for error reports.
6379 sub variable_value_as_list_recursive_worker
6381 my ($var, $cond, $parent) = @_;
6384 if (! defined $var_value{$var})
6386 if (defined $targets{$var})
6388 &am_line_error ($var, "`$var' is a target; expected a variable");
6392 &am_line_error ($parent, "variable `$var' not defined");
6395 elsif (defined $vars_scanned{$var})
6397 # `vars_scanned' is a global we use to keep track of which
6398 # variables we've already examined.
6399 &am_line_error ($parent, "variable `$var' recursively defined");
6401 elsif ($cond eq 'all')
6403 $vars_scanned{$var} = 1;
6404 foreach my $vcond (keys %{$var_value{$var}})
6406 my $val = $var_value{$var}{$vcond};
6407 push (@result, &value_to_list ($var, $val, $cond));
6413 $vars_scanned{$var} = 1;
6415 foreach my $vcond (keys %{$var_value{$var}})
6417 my $val = $var_value{$var}{$vcond};
6418 if (&conditional_true_when ($vcond, $cond))
6420 # Warn if we have an ambiguity. It's hard to know how
6421 # to handle this case correctly.
6422 &check_variable_defined_unconditionally ($var, $parent)
6425 push (@result, &value_to_list ($var, $val, $cond));
6430 # Unset our entry in vars_scanned. We only care about recursive
6432 delete $vars_scanned{$var};
6438 # &variable_output ($VAR, [@CONDS])
6439 # ---------------------------------
6440 # Output all the values of $VAR is @COND is not specified, else only
6441 # that corresponding to @COND.
6442 sub variable_output ($@)
6444 my ($var, @conds) = @_;
6446 @conds = sort by_condition keys %{$var_value{$var}}
6449 $output_vars .= $var_comment{$var}
6450 if defined $var_comment{$var};
6452 foreach my $cond (@conds)
6454 my $val = $var_value{$var}{$cond};
6455 my $equals = $var_type{$var} eq ':' ? ':=' : '=';
6456 my $output_var = "$var $equals $val";
6457 $output_var =~ s/^/make_condition ($cond)/meg;
6458 $output_vars .= $output_var . "\n";
6463 # &variable_pretty_output ($VAR, [@CONDS])
6464 # ----------------------------------------
6465 # Likewise, but pretty, i.e., we *split* the values at spaces. Use only
6466 # with variables holding filenames.
6467 sub variable_pretty_output ($@)
6469 my ($var, @conds) = @_;
6471 @conds = sort by_condition keys %{$var_value{$var}}
6474 $output_vars .= $var_comment{$var}
6475 if defined $var_comment{$var};
6477 foreach my $cond (@conds)
6479 my $val = $var_value{$var}{$cond};
6480 my $equals = $var_type{$var} eq ':' ? ':=' : '=';
6481 my $make_condition = make_condition ($cond);
6482 $output_vars .= pretty_print_internal ("$make_condition$var $equals",
6483 "$make_condition\t",
6484 split (' ' , $val));
6489 # This is just a wrapper for variable_value_as_list_recursive_worker that
6490 # initializes the global hash `vars_scanned'. This hash is used to
6491 # avoid infinite recursion.
6492 sub variable_value_as_list_recursive
6494 my ($var, $cond, $parent) = @_;
6496 return &variable_value_as_list_recursive_worker ($var, $cond, $parent);
6500 # Like define_variable, but the value is a list, and the variable may
6501 # be defined conditionally. The second argument is the conditional
6502 # under which the value should be defined; this should be the empty
6503 # string to define the variable unconditionally. The third argument
6504 # is a list holding the values to use for the variable. The value is
6505 # pretty printed in the output file.
6506 sub define_pretty_variable
6508 my ($var, $cond, @value) = @_;
6510 # Beware that an empty $cond has a different semantics for
6511 # macro_define and variable_pretty_output.
6514 if (! &variable_defined ($var, $cond))
6516 macro_define ($var, 1, '', $cond, join (' ', @value), undef);
6517 variable_pretty_output ($var, $cond || 'TRUE');
6518 $content_seen{$var} = 1;
6523 # define_variable ($VAR, $VALUE)
6524 # ------------------------------
6525 # Define a new user variable VAR to VALUE, but only if not already defined.
6528 my ($var, $value) = @_;
6530 define_pretty_variable ($var, 'TRUE', $value);
6534 # Like define_variable, but define a variable to be the configure
6535 # substitution by the same name.
6536 sub define_configure_variable
6539 my $value = '@' . $var . '@';
6540 &define_variable ($var, $value);
6544 # define_compiler_variable ($LANG)
6545 # --------------------------------
6546 # Define a compiler variable. We also handle defining the `LT'
6547 # version of the command when using libtool.
6548 sub define_compiler_variable ($)
6552 my ($var, $value) = ($lang->compiler, $lang->compile);
6553 &define_variable ($var, $value);
6554 &define_variable ("LT$var", "\$(LIBTOOL) --mode=compile $value")
6559 # define_linker_variable ($LANG)
6560 # ------------------------------
6561 # Define linker variables.
6562 sub define_linker_variable ($)
6566 my ($var, $value) = ($lang->lder, $lang->ld);
6568 &define_variable ($lang->lder, $lang->ld);
6569 # CCLINK = $(CCLD) blah blah...
6570 &define_variable ($lang->linker,
6571 (($seen_libtool ? '$(LIBTOOL) --mode=link ' : '')
6575 ################################################################
6577 ## ---------------- ##
6578 ## Handling rules. ##
6579 ## ---------------- ##
6582 # rule_define ($TARGET, $IS_AM, $COND, $WHERE)
6583 # --------------------------------------------
6584 # Define a new rule. $TARGET is the rule name. $IS_AM is a boolean
6585 # which is true if the new rule is defined by the user. $COND is the
6586 # condition under which the rule is defined. $WHERE is where the rule
6587 # is defined (file name or line number). Returns true if it is ok to
6588 # define the rule, false otherwise.
6589 sub rule_define ($$$$)
6591 my ($target, $rule_is_am, $cond, $where) = @_;
6593 # For now `foo:' will override `foo$(EXEEXT):'. This is temporary,
6594 # though, so we emit a warning.
6595 (my $noexe = $target) =~ s,\$\(EXEEXT\)$,,;
6596 if ($noexe ne $target && defined $targets{$noexe})
6598 # The no-exeext option enables this feature.
6599 if (! defined $options{'no-exeext'})
6601 &am_line_error ($noexe,
6602 "deprecated feature: `$noexe' overrides `$noexe\$(EXEEXT)'\nchange your target to read `$noexe\$(EXEEXT)'");
6608 if (defined $targets{$target}
6610 ? ! defined $target_conditional{$target}
6611 : defined $target_conditional{$target}))
6613 &am_line_error ($target,
6614 "$target defined both conditionally and unconditionally");
6617 # Value here doesn't matter; for targets we only note existence.
6618 $targets{$target} = $where;
6621 if ($target_conditional{$target})
6623 &check_ambiguous_conditional ($target, $cond);
6625 $target_conditional{$target}{$cond} = $where;
6629 # Check the rule for being a suffix rule. If so, store in a hash.
6631 if ((my ($source_suffix, $object_suffix)) = ($target =~ $SUFFIX_RULE_PATTERN))
6633 $suffix_rules{$source_suffix} = $object_suffix;
6634 print "Sources ending in .$source_suffix become .$object_suffix\n"
6636 # Set SUFFIXES from suffix_rules.
6637 push @suffixes, ".$source_suffix", ".$object_suffix";
6644 # See if a target exists.
6648 return defined $targets{$target};
6652 ################################################################
6654 # Read Makefile.am and set up %contents. Simultaneously copy lines
6655 # from Makefile.am into $output_trailer or $output_vars as
6656 # appropriate. NOTE we put rules in the trailer section. We want
6657 # user rules to come after our generated stuff.
6662 my $am_file = new IO::File ("< $amfile");
6665 die "$me: couldn't open `$amfile': $!\n";
6667 print "$me: reading $amfile\n" if $verbose;
6673 while ($_ = $am_file->getline)
6675 if (/$IGNORE_PATTERN/o)
6677 # Merely delete comments beginning with two hashes.
6679 elsif (/$WHITE_PATTERN/o)
6681 # Stick a single white line before the incoming macro or rule.
6685 elsif (/$COMMENT_PATTERN/o)
6687 # Stick comments before the incoming macro or rule. Make
6688 # sure a blank line preceeds first block of comments.
6689 $spacing = "\n" unless $blank;
6691 $comment .= $spacing . $_;
6700 $output_vars .= $comment . "\n";
6704 # We save the conditional stack on entry, and then check to make
6705 # sure it is the same on exit. This lets us conditonally include
6707 my @saved_cond_stack = @cond_stack;
6708 my $cond = conditional_string (@cond_stack);
6712 my $last_var_name = '';
6713 my $last_var_type = '';
6714 my $last_var_value = '';
6715 # FIXME: shouldn't use $_ in this loop; it is too big.
6719 unless substr ($_, -1, 1) eq "\n";
6721 # Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
6722 # used by users. @MAINT@ is an anachronism now.
6723 $_ =~ s/\@MAINT\@//g
6724 unless $seen_maint_mode;
6726 my $new_saw_bk = /\\$/ && ! /$COMMENT_PATTERN/o;
6728 if (/$IGNORE_PATTERN/o)
6730 # Merely delete comments beginning with two hashes.
6732 elsif (/$WHITE_PATTERN/o)
6734 # Stick a single white line before the incoming macro or rule.
6736 &am_line_error ($., "blank line following trailing backslash")
6739 elsif (/$COMMENT_PATTERN/o)
6741 # Stick comments before the incoming macro or rule.
6742 $comment .= $spacing . $_;
6744 &am_line_error ($., "comment following trailing backslash")
6751 $output_trailer .= &make_condition (@cond_stack);
6752 $output_trailer .= $_;
6756 $last_var_value .= ' '
6757 unless $last_var_value =~ /\s$/;
6758 $last_var_value .= $_;
6762 $var_comment{$last_var_name} .= "$spacing"
6763 if (!defined $var_comment{$last_var_name}
6764 || substr ($var_comment{$last_var_name}, -1) ne "\n");
6765 $var_comment{$last_var_name} .= "$comment";
6766 $comment = $spacing = '';
6767 macro_define ($last_var_name, 0,
6768 $last_var_type, $cond,
6769 $last_var_value, $.)
6770 if $cond ne 'FALSE';
6771 push (@var_list, $last_var_name);
6776 elsif (/$IF_PATTERN/o)
6778 $cond = cond_stack_if ($1, $2, "$amfile:$.");
6780 elsif (/$ELSE_PATTERN/o)
6782 $cond = cond_stack_else ($1, $2, "$amfile:$.");
6784 elsif (/$ENDIF_PATTERN/o)
6786 $cond = cond_stack_endif ($1, $2, "$amfile:$.");
6789 elsif (/$RULE_PATTERN/o)
6794 rule_define ($1, 0, $cond, $.);
6797 $output_trailer .= $comment . $spacing;
6798 $output_trailer .= &make_condition (@cond_stack);
6799 $output_trailer .= $_;
6800 $comment = $spacing = '';
6802 elsif (/$ASSIGNMENT_PATTERN/o)
6804 # Found a macro definition.
6806 $last_var_name = $1;
6807 $last_var_type = $2;
6808 $last_var_value = $3;
6809 if ($3 ne '' && substr ($3, -1) eq "\\")
6811 # We preserve the `\' because otherwise the long lines
6812 # that are generated will be truncated by broken
6814 $last_var_value = $3 . "\n";
6819 # FIXME: this doesn't always work correctly; it will
6820 # group all comments for a given variable, no matter
6822 # Accumulating variables must not be output.
6823 $var_comment{$last_var_name} .= "$spacing"
6824 if (!defined $var_comment{$last_var_name}
6825 || substr ($var_comment{$last_var_name}, -1) ne "\n");
6826 $var_comment{$last_var_name} .= "$comment";
6827 $comment = $spacing = '';
6829 macro_define ($last_var_name, 0,
6830 $last_var_type, $cond,
6831 $last_var_value, $.)
6832 if $cond ne 'FALSE';
6833 push (@var_list, $last_var_name);
6836 elsif (/$INCLUDE_PATTERN/o)
6840 if ($path =~ s/^\$\(top_srcdir\)\///)
6842 push (@include_stack, "\$\(top_srcdir\)/$path");
6846 $path =~ s/\$\(srcdir\)\///;
6847 push (@include_stack, "\$\(srcdir\)/$path");
6848 $path = $relative_dir . "/" . $path;
6850 &read_am_file ($path);
6854 # This isn't an error; it is probably a continued rule.
6855 # In fact, this is what we assume.
6857 $output_trailer .= $comment . $spacing;
6858 $output_trailer .= &make_condition (@cond_stack);
6859 $output_trailer .= $_;
6860 $comment = $spacing = '';
6861 &am_line_error ($., "`#' comment at start of rule is unportable")
6862 if $_ =~ /^\t\s*\#/;
6865 $saw_bk = $new_saw_bk;
6866 $_ = $am_file->getline;
6869 $output_trailer .= $comment;
6871 if (join (' ', @saved_cond_stack) ne join (' ', @cond_stack))
6875 &am_error ("unterminated conditionals: @cond_stack");
6879 # FIXME: better error message here.
6880 &am_error ("conditionals not nested in include file");
6886 # define_standard_variables ()
6887 # ----------------------------
6888 # A helper for read_main_am_file which initializes configure variables
6889 # and variables from header-vars.am. This is a subr so we can call it
6891 sub define_standard_variables
6893 my $saved_output_vars = $output_vars;
6894 my ($comments, undef, $rules) =
6895 file_contents_internal (1, "$libdir/am/header-vars.am");
6897 # This will output the definitions in $output_vars, which we don't
6899 foreach my $var (sort keys %configure_vars)
6901 &define_configure_variable ($var);
6902 push (@var_list, $var);
6905 # ... hence, we restore $output_vars.
6906 $output_vars = $saved_output_vars . $comments . $rules;
6909 # Read main am file.
6910 sub read_main_am_file
6914 # This supports the strange variable tricks we are about to play.
6915 if (scalar keys %var_value > 0)
6918 &prog_error ("variable defined before read_main_am_file");
6921 # Generate copyright header for generated Makefile.in.
6922 # We do discard the output of predefined variables, handled below.
6923 $output_vars = ("# $in_file_name generated automatically by automake "
6924 . $VERSION . " from $am_file_name.\n");
6925 $output_vars .= $gen_copyright;
6927 # We want to predefine as many variables as possible. This lets
6928 # the user set them with `+=' in Makefile.am. However, we don't
6929 # want these initial definitions to end up in the output quite
6930 # yet. So we just load them, but output them later.
6931 &define_standard_variables;
6933 # Read user file, which might override some of our values.
6934 &read_am_file ($amfile);
6936 # Ouput all the Automake variables. If the user changed one, then
6937 # it is now marked as owned by the user.
6938 foreach my $var (uniq @var_list)
6940 # Don't process user variables.
6941 variable_output ($var)
6942 unless !$var_is_am{$var};
6945 # Now dump the user variables that were defined. We do it in the same
6946 # order in which they were defined (skipping duplicates).
6947 foreach my $var (uniq @var_list)
6949 # Don't process Automake variables.
6950 variable_output ($var)
6951 unless $var_is_am{$var};
6955 ################################################################
6958 # &flatten ($STRING)
6959 # ------------------
6960 # Flatten the $STRING and return the result.
6975 # &make_paragraphs ($MAKEFILE, [%TRANSFORM])
6976 # ------------------------------------------
6977 # Load a $MAKEFILE, apply the %TRANSFORM, and return it as a list of
6979 sub make_paragraphs ($%)
6981 my ($file, %transform) = @_;
6983 # Complete %transform with global options and make it a Perl
6986 "s/$IGNORE_PATTERN//gm;"
6987 . transform (%transform,
6989 'CYGNUS' => $cygnus_mode,
6991 => $seen_maint_mode ? subst ('MAINTAINER_MODE_TRUE') : '',
6993 'SHAR' => $options{'dist-shar'} || 0,
6994 'BZIP2' => $options{'dist-bzip2'} || 0,
6995 'ZIP' => $options{'dist-zip'} || 0,
6996 'COMPRESS' => $options{'dist-tarZ'} || 0,
6998 'INSTALL-INFO' => !$options{'no-installinfo'},
6999 'INSTALL-MAN' => !$options{'no-installman'},
7000 'CK-NEWS' => $options{'check-news'} || 0,
7002 'SUBDIRS' => &variable_defined ('SUBDIRS'),
7003 'TOPDIR' => backname ($relative_dir),
7004 'TOPDIR_P' => $relative_dir eq '.',
7005 'CONFIGURE-AC' => $configure_ac,
7007 'BUILD' => $seen_canonical == $AC_CANONICAL_SYSTEM,
7008 'HOST' => $seen_canonical,
7009 'TARGET' => $seen_canonical == $AC_CANONICAL_SYSTEM,
7011 'LIBTOOL' => defined $configure_vars{'LIBTOOL'})
7012 # We don't need more than two consecutive new-lines.
7013 . 's/\n{3,}/\n\n/g';
7015 # Swallow the file and apply the COMMAND.
7016 my $fc_file = new IO::File ("< $file");
7019 die "$me: installation error: cannot open `$file'\n";
7022 print "$me: reading $file\n"
7024 my $saved_dollar_slash = $/;
7026 $_ = $fc_file->getline;
7027 $/ = $saved_dollar_slash;
7032 # Split at unescaped new lines.
7033 my @lines = split (/(?<!\\)\n/, $content);
7036 while (defined ($_ = shift @lines))
7038 my $paragraph = "$_";
7039 # If we are a rule, eat as long as we start with a tab.
7040 if (/$RULE_PATTERN/smo)
7042 while (defined ($_ = shift @lines) && $_ =~ /^\t/)
7044 $paragraph .= "\n$_";
7046 unshift (@lines, $_);
7049 # If we are a comments, eat as much comments as you can.
7050 elsif (/$COMMENT_PATTERN/smo)
7052 while (defined ($_ = shift @lines)
7053 && $_ =~ /$COMMENT_PATTERN/smo)
7055 $paragraph .= "\n$_";
7057 unshift (@lines, $_);
7060 push @res, $paragraph;
7069 # ($COMMENT, $VARIABLES, $RULES)
7070 # &file_contents_internal ($IS_AM, $FILE, [%TRANSFORM])
7071 # -----------------------------------------------------
7072 # Return contents of a file from $libdir/am, automatically skipping
7073 # macros or rules which are already known. $IS_AM iff the caller is
7074 # reading an Automake file (as opposed to the user's Makefile.am).
7075 sub file_contents_internal ($$%)
7077 my ($is_am, $file, %transform) = @_;
7079 my $result_vars = '';
7080 my $result_rules = '';
7084 # We save the conditional stack on entry, and then check to make
7085 # sure it is the same on exit. This lets us conditonally include
7087 my @saved_cond_stack = @cond_stack;
7088 my $cond = conditional_string (@cond_stack);
7090 foreach (make_paragraphs ($file, %transform))
7093 &am_file_error ($file, "blank line following trailing backslash:\n$_")
7095 &am_file_error ($file, "comment following trailing backslash:\n$_")
7100 # Stick empty line before the incoming macro or rule.
7103 elsif (/$COMMENT_PATTERN/mso)
7105 # Stick comments before the incoming macro or rule.
7109 # Handle inclusion of other files.
7110 elsif (/$INCLUDE_PATTERN/o)
7112 if ($cond ne 'FALSE')
7114 my $file = ($is_am ? "$libdir/am/" : '') . $1;
7116 my ($com, $vars, $rules)
7117 = file_contents_internal ($is_am, $file, %transform);
7119 $result_vars .= $vars;
7120 $result_rules .= $rules;
7124 # Handling the conditionals.
7125 elsif (/$IF_PATTERN/o)
7127 $cond = cond_stack_if ($1, $2, $file);
7129 elsif (/$ELSE_PATTERN/o)
7131 $cond = cond_stack_else ($1, $2, $file);
7133 elsif (/$ENDIF_PATTERN/o)
7135 $cond = cond_stack_endif ($1, $2, $file);
7139 elsif (/$RULE_PATTERN/mso)
7141 # Separate relationship from optional actions: the first
7142 # `new-line tab" not preceded by backslash (continuation
7144 # I'm quite shoked! It seems that (\\\n|[^\n]) is not the
7145 # same as `([^\n]|\\\n)!!! Don't swap it, it breaks.
7147 /^((?:\\\n|[^\n])*)(?:\n(\t.*))?$/som;
7148 my ($relationship, $actions) = ($1, $2 || '');
7150 # Separate targets from dependencies: the first colon.
7151 $relationship =~ /^([^:]+\S+) *: *(.*)$/som;
7152 my ($targets, $dependencies) = ($1, $2);
7153 # Remove the escaped new lines.
7154 # I don't know why, but I have to use a tmp $flat_deps.
7155 my $flat_deps = &flatten ($dependencies);
7156 my @deps = split (' ', $flat_deps);
7158 foreach (split (' ' , $targets))
7160 # FIXME: We are not robust to people defining several targets
7161 # at once, only some of them being in %dependencies.
7163 # Output only if not in FALSE.
7164 if (defined $dependencies{$_}
7165 && $cond ne 'FALSE')
7167 &depend ($_, @deps);
7168 $actions{$_} .= $actions;
7172 # Free-lance dependency. Output the rule for all the
7173 # targets instead of one by one.
7175 # Work out all the conditions for which the target hasn't
7177 my @undefined_conds;
7178 if (defined $target_conditional{$targets})
7180 my @defined_conds = keys %{$target_conditional{$targets}};
7181 @undefined_conds = invert_conditions(@defined_conds);
7185 if (defined $targets{$targets})
7187 # No conditions for which target hasn't been defined
7188 @undefined_conds = ();
7192 # Target hasn't been defined for any conditions
7193 @undefined_conds = ("");
7197 if ($cond ne 'FALSE')
7200 for $undefined_cond (@undefined_conds)
7202 my $condparagraph = $paragraph;
7203 $condparagraph =~ s/^/make_condition (@cond_stack, $undefined_cond)/gme;
7204 $result_rules .= "$spacing$comment$condparagraph\n"
7205 if rule_define ($targets, $is_am,
7206 "$cond $undefined_cond", $file);
7209 $comment = $spacing = '';
7215 elsif (/$ASSIGNMENT_PATTERN/mso)
7217 my ($var, $type, $val) = ($1, $2, $3);
7218 &am_file_error ($file, "macro `$var' with trailing backslash")
7221 # Accumulating variables must not be output.
7222 $var_comment{$var} .= "$spacing"
7223 if (!defined $var_comment{$var}
7224 || substr ($var_comment{$var}, -1) ne "\n");
7225 $var_comment{$var} .= "$comment";
7226 macro_define ($var, $is_am, $type, $cond, $val, $file)
7227 if $cond ne 'FALSE';
7228 push (@var_list, $var);
7230 # If the user has set some variables we were in charge
7231 # of (which is detected by the first reading of
7232 # `header-vars.am'), we must not output them.
7233 $result_vars .= "$spacing$comment$_\n"
7234 if $type ne '+' && $var_is_am{$var} && $cond ne 'FALSE';
7236 $comment = $spacing = '';
7240 # This isn't an error; it is probably some tokens which
7241 # configure is supposed to replace, such as `@SET-MAKE@',
7242 # or some part of a rule cut by an if/endif.
7243 if ($cond ne 'FALSE')
7245 s/^/make_condition (@cond_stack)/gme;
7246 $result_rules .= "$spacing$comment$_\n";
7248 $comment = $spacing = '';
7252 if (join (' ', @saved_cond_stack) ne join (' ', @cond_stack))
7256 &am_error ("unterminated conditionals: @cond_stack");
7260 # FIXME: better error message here.
7261 &am_error ("conditionals not nested in include file");
7265 return ($comment, $result_vars, $result_rules);
7270 # &file_contents ($BASENAME, [%TRANSFORM])
7271 # ----------------------------------------
7272 # Return contents of a file from $libdir/am, automatically skipping
7273 # macros or rules which are already known.
7274 sub file_contents ($%)
7276 my ($basename, %transform) = @_;
7277 my ($comments, $variables, $rules) =
7278 file_contents_internal (1, "$libdir/am/$basename.am", %transform);
7279 return "$comments$variables$rules";
7284 # &transform (%PAIRS)
7285 # -------------------
7286 # Foreach ($TOKEN, $VAL) in %PAIRS produce a replacement expression suitable
7287 # for file_contents which:
7288 # - replaces @$TOKEN@ with $VALUE,
7289 # - enables/disables ?$TOKEN?.
7295 while (my ($token, $val) = each %pairs)
7297 $result .= "s/\Q%$token%\E/\Q$val\E/gm;";
7300 $result .= "s/\Q?$token?\E//gm;s/^.*\Q?!$token?\E.*\\n//gm;";
7301 $result .= "s/\Q%?$token%\E/TRUE/gm;";
7305 $result .= "s/\Q?!$token?\E//gm;s/^.*\Q?$token?\E.*\\n//gm;";
7306 $result .= "s/\Q%?$token%\E/FALSE/gm;";
7314 # Find all variable prefixes that are used for install directories. A
7315 # prefix `zar' qualifies iff:
7316 # * `zardir' is a variable.
7317 # * `zar_PRIMARY' is a variable.
7318 sub am_primary_prefixes
7320 my ($primary, $can_dist, @prefixes) = @_;
7322 my %valid = map { $_ => 0 } @prefixes;
7323 $valid{'EXTRA'} = 0;
7324 foreach my $varname (keys %var_value)
7326 # Automake is allowed to define variables that look like they
7327 # are magic variables, such as INSTALL_DATA.
7329 if $var_is_am{$varname};
7331 if ($varname =~ /^(nobase_)?(dist_|nodist_)?(.*)_$primary$/)
7333 my ($base, $dist, $X) = ($1 || '', $2 || '', $3 || '');
7334 if ($dist ne '' && ! $can_dist)
7336 # Note that a configure variable is always legitimate.
7337 # It is natural to name such variables after the
7338 # primary, so we explicitly allow it.
7339 if (! defined $configure_vars{$varname})
7341 &am_line_error ($varname,
7342 "invalid variable `$varname': `dist' is forbidden");
7345 elsif (! defined $valid{$X} && ! &variable_defined ("${X}dir"))
7347 # Note that a configure variable is always legitimate.
7348 # It is natural to name such variables after the
7349 # primary, so we explicitly allow it.
7350 if (! defined $configure_vars{$varname})
7352 &am_line_error ($varname,
7353 "invalid variable `$varname'");
7358 # Ensure all extended prefixes are actually used.
7359 $valid{"$base$dist$X"} = 1;
7367 # Handle `where_HOW' variable magic. Does all lookups, generates
7368 # install code, and possibly generates code to define the primary
7369 # variable. The first argument is the name of the .am file to munge,
7370 # the second argument is the primary variable (eg HEADERS), and all
7371 # subsequent arguments are possible installation locations. Returns
7372 # list of all values of all _HOW targets.
7374 # FIXME: this should be rewritten to be cleaner. It should be broken
7375 # up into multiple functions.
7377 # Usage is: am_install_var (OPTION..., file, HOW, where...)
7384 my $default_dist = 0;
7387 if ($args[0] eq '-noextra')
7391 elsif ($args[0] eq '-candist')
7395 elsif ($args[0] eq '-defaultdist')
7400 elsif ($args[0] !~ /^-/)
7407 my ($file, $primary, @prefixes) = @args;
7409 # Now that configure substitutions are allowed in where_HOW
7410 # variables, it is an error to actually define the primary. We
7411 # allow `JAVA', as it is customarily used to mean the Java
7412 # interpreter. This is but one of several Java hacks. Similarly,
7413 # `PYTHON' is customarily used to mean the Python interpreter.
7414 &am_line_error ($primary, "`$primary' is an anachronism")
7415 if &variable_defined ($primary)
7416 && ($primary ne 'JAVA' && $primary ne 'PYTHON');
7419 # Look for misspellings. It is an error to have a variable ending
7420 # in a "reserved" suffix whose prefix is unknown, eg
7421 # "bni_PROGRAMS". However, unusual prefixes are allowed if a
7422 # variable of the same name (with "dir" appended) exists. For
7423 # instance, if the variable "zardir" is defined, then
7424 # "zar_PROGRAMS" becomes valid. This is to provide a little extra
7425 # flexibility in those cases which need it.
7426 my %valid = &am_primary_prefixes ($primary, $can_dist, @prefixes);
7428 # If a primary includes a configure substitution, then the EXTRA_
7429 # form is required. Otherwise we can't properly do our job.
7431 my $warned_about_extra = 0;
7436 # True if the iteration is the first one. Used for instance to
7437 # output parts of the associated file only once.
7439 foreach my $X (sort keys %valid)
7441 my $one_name = $X . '_' . $primary;
7443 unless (&variable_defined ($one_name));
7445 my $strip_subdir = 1;
7446 # If subdir prefix should be preserved, do so.
7447 if ($X =~ /^nobase_/)
7453 my $nodir_name = $X;
7454 # If files should be distributed, do so.
7458 $dist_p = (($default_dist && $one_name !~ /^nodist_/)
7459 || (! $default_dist && $one_name =~ /^dist_/));
7460 $nodir_name =~ s/^(dist|nodist)_//;
7463 # Append actual contents of where_PRIMARY variable to
7465 foreach my $rcurs (&variable_value_as_list_recursive ($one_name, 'all'))
7467 # Skip configure substitutions. Possibly bogus.
7468 if ($rcurs =~ /^\@.*\@$/)
7472 if (! $warned_about_extra)
7474 $warned_about_extra = 1;
7475 &am_line_error ($one_name,
7476 "`$one_name' contains configure substitution, but shouldn't");
7479 # Check here to make sure variables defined in
7480 # configure.ac do not imply that EXTRA_PRIMARY
7482 elsif (! defined $configure_vars{$one_name})
7484 $require_extra = $one_name
7491 push (@result, $rcurs);
7494 # A blatant hack: we rewrite each _PROGRAMS primary to include
7496 if ($primary eq 'PROGRAMS')
7498 my @conds = &variable_conditions_recursive ($one_name);
7501 foreach my $cond (@conds)
7503 my @one_binlist = ();
7504 my @condval = &variable_value_as_list_recursive ($one_name,
7506 foreach my $rcurs (@condval)
7508 # Skip autoconf substs. Also skip if the user
7509 # already applied $(EXEEXT).
7510 if ($rcurs =~ /^\@.*\@$/ || $rcurs =~ /\$\(EXEEXT\)$/)
7512 push (@one_binlist, $rcurs);
7516 push (@one_binlist, $rcurs . '$(EXEEXT)');
7520 push (@condvals, $cond);
7521 push (@condvals, join (' ', @one_binlist));
7524 variable_delete ($one_name);
7527 my $cond = shift (@condvals);
7528 my @val = split (' ', shift (@condvals));
7529 &define_pretty_variable ($one_name, $cond, @val);
7533 # "EXTRA" shouldn't be used when generating clean targets,
7534 # all, or install targets.
7537 # We used to warn if EXTRA_FOO was defined uselessly,
7538 # but this was annoying.
7544 push (@check, '$(' . $one_name . ')');
7548 push (@used, '$(' . $one_name . ')');
7551 # Is this to be installed?
7552 my $install_p = $X ne 'noinst' && $X ne 'check';
7554 # If so, with install-exec? (or install-data?).
7555 my $exec_p = (defined $exec_dir_p {$X}
7559 # Singular form of $PRIMARY.
7560 (my $one_primary = $primary) =~ s/S$//;
7561 $output_rules .= &file_contents ($file,
7564 'PRIMARY' => $primary,
7565 'ONE_PRIMARY' => $one_primary,
7567 'NDIR' => $nodir_name,
7568 'BASE' => $strip_subdir,
7571 'INSTALL' => $install_p,
7572 'DIST' => $dist_p));
7577 # The JAVA variable is used as the name of the Java interpreter.
7578 # The PYTHON variable is used as the name of the Python interpreter.
7579 if (@used && $primary ne 'JAVA' && $primary ne 'PYTHON')
7582 &define_pretty_variable ($primary, '', @used);
7583 $output_vars .= "\n";
7586 if ($require_extra && ! &variable_defined ('EXTRA_' . $primary))
7588 &am_line_error ($require_extra,
7589 "`$require_extra' contains configure substitution, but `EXTRA_$primary' not defined");
7592 # Push here because PRIMARY might be configure time determined.
7593 push (@all, '$(' . $primary . ')')
7594 if @used && $primary ne 'JAVA' && $primary ne 'PYTHON';
7596 # Make the result unique. This lets the user use conditionals in
7597 # a natural way, but still lets us program lazily -- we don't have
7598 # to worry about handling a particular object more than once.
7599 return uniq (sort @result);
7603 ################################################################
7605 # Each key in this hash is the name of a directory holding a
7606 # Makefile.in. These variables are local to `is_make_dir'.
7608 my $make_dirs_set = 0;
7613 if (! $make_dirs_set)
7615 foreach my $iter (@configure_input_files)
7617 $make_dirs{dirname ($iter)} = 1;
7619 # We also want to notice Makefile.in's.
7620 foreach my $iter (@other_input_files)
7622 if ($iter =~ /Makefile\.in$/)
7624 $make_dirs{dirname ($iter)} = 1;
7629 return defined $make_dirs{$dir};
7632 ################################################################
7634 # This variable is local to the "require file" set of functions.
7635 my @require_file_paths = ();
7637 # If a file name appears as a key in this hash, then it has already
7638 # been checked for. This variable is local to the "require file"
7640 %require_file_found = ();
7642 # See if we want to push this file onto dist_common. This function
7643 # encodes the rules for deciding when to do so.
7644 sub maybe_push_required_file
7646 my ($dir, $file, $fullfile) = @_;
7648 if ($dir eq $relative_dir)
7650 &push_dist_common ($file);
7652 elsif ($relative_dir eq '.' && ! &is_make_dir ($dir))
7654 # If we are doing the topmost directory, and the file is in a
7655 # subdir which does not have a Makefile, then we distribute it
7657 &push_dist_common ($fullfile);
7662 # &require_file_internal ($IS_CONFIGURE, $LINE, $MYSTRICT, @FILES)
7663 # ----------------------------------------------------------------
7664 # Verify that the file must exist in the current directory.
7665 # $MYSTRICT is the strictness level at which this file becomes required.
7667 # Must set require_file_paths before calling this function.
7668 # require_file_paths is set to hold a single directory (the one in
7669 # which the first file was found) before return.
7670 sub require_file_internal
7672 my ($is_configure, $line, $mystrict, @files) = @_;
7674 foreach my $file (@files)
7682 my $dangling_sym = 0;
7683 foreach my $dir (@require_file_paths)
7685 $fullfile = $dir . "/" . $file;
7686 $errdir = $dir unless $errdir;
7688 # Use different name for "error filename". Otherwise on
7689 # an error the bad file will be reported as eg
7690 # `../../install-sh' when using the default
7692 $errfile = $errdir . '/' . $file;
7694 if (-l $fullfile && ! -f $fullfile)
7699 elsif (-f $fullfile)
7702 &maybe_push_required_file ($dir, $file, $fullfile);
7708 # `--force-missing' only has an effect if `--add-missing' is
7710 if ($found_it && (! $add_missing || ! $force_missing))
7712 # Prune the path list.
7713 @require_file_paths = $save_dir;
7717 # If we've already looked for it, we're done. You might
7718 # wonder why we don't do this before searching for the
7719 # file. If we do that, then something like
7720 # AC_OUTPUT(subdir/foo foo) will fail to put foo.in into
7724 next if defined $require_file_found{$file};
7725 $require_file_found{$file} = 1;
7728 if ($strictness >= $mystrict)
7730 if ($dangling_sym && $add_missing)
7738 # Only install missing files according to our desired
7740 my $message = "required file `$errfile' not found";
7745 # Maybe run libtoolize.
7746 my @syslist = ('libtoolize', '--automake');
7747 push @syslist, '--copy'
7750 && grep ($_ eq $file, @libtoolize_files)
7751 && system (@syslist))
7753 $message = "installing `$errfile'";
7755 $trailer = "; cannot run `libtoolize': $!";
7757 elsif (-f ("$libdir/$file"))
7759 # Install the missing file. Symlink if we
7760 # can, copy if we must. Note: delete the file
7761 # first, in case it is a dangling symlink.
7762 $message = "installing `$errfile'";
7763 # Windows Perl will hang if we try to delete a
7764 # file that doesn't exist.
7765 unlink ($errfile) if -f $errfile;
7766 if ($symlink_exists && ! $copy_missing)
7768 if (! symlink ("$libdir/$file", $errfile))
7771 $trailer = "; error while making link: $!";
7774 elsif (system ('cp', "$libdir/$file", $errfile))
7777 $trailer = "\n error while copying";
7781 &maybe_push_required_file (dirname ($errfile),
7784 # Prune the path list.
7785 @require_file_paths = &dirname ($errfile);
7788 # If --force-missing was specified, and we have
7789 # actually found the file, then do nothing.
7791 if $found_it && $force_missing;
7797 # FIXME: allow actual file to be specified.
7798 &am_conf_line_warning ($configure_ac, $line,
7799 "$message$trailer");
7803 &am_line_warning ($line, "$message$trailer");
7810 # FIXME: allow actual file to be specified.
7811 &am_conf_line_error ($configure_ac, $line,
7812 "$message$trailer");
7816 &am_line_error ($line, "$message$trailer");
7824 # Like require_file_with_line, but error messages refer to
7825 # configure.ac, not the current Makefile.am.
7826 sub require_file_with_conf_line
7828 @require_file_paths = $relative_dir;
7829 &require_file_internal (1, @_);
7832 sub require_file_with_line
7834 @require_file_paths = $relative_dir;
7835 &require_file_internal (0, @_);
7840 @require_file_paths = $relative_dir;
7841 &require_file_internal (0, '', @_);
7844 # Require a file that is also required by Autoconf. Looks in
7845 # configuration path, as specified by AC_CONFIG_AUX_DIR.
7846 sub require_config_file
7848 @require_file_paths = @config_aux_path;
7849 &require_file_internal (1, '', @_);
7850 my $dir = $require_file_paths[0];
7851 @config_aux_path = @require_file_paths;
7852 # Avoid unsightly '/.'s.
7853 $config_aux_dir = '$(top_srcdir)' . ($dir eq '.' ? "" : "/$dir");
7856 # Assumes that the line number is in Makefile.am.
7857 sub require_conf_file_with_line
7859 @require_file_paths = @config_aux_path;
7860 &require_file_internal (0, @_);
7861 my $dir = $require_file_paths[0];
7862 @config_aux_path = @require_file_paths;
7863 # Avoid unsightly '/.'s.
7864 $config_aux_dir = '$(top_srcdir)' . ($dir eq '.' ? "" : "/$dir");
7867 # Assumes that the line number is in configure.ac.
7868 sub require_conf_file_with_conf_line
7870 @require_file_paths = @config_aux_path;
7871 &require_file_internal (1, @_);
7872 my $dir = $require_file_paths[0];
7873 @config_aux_path = @require_file_paths;
7874 # avoid unsightly '/.'s.
7875 $config_aux_dir = '$(top_srcdir)' . ($dir eq '.' ? "" : "/$dir");
7878 ################################################################
7880 # &require_build_directory ($DIRECTORY)
7881 # ------------------------------------
7882 # Emit rules to create $DIRECTORY if needed, and return
7883 # the file that any target requiring this directory should be made
7885 sub require_build_directory ($)
7887 my $directory = shift;
7888 my $dirstamp = "$directory/.dirstamp";
7890 # Don't emit the rule twice.
7891 if (! defined $directory_map{$directory})
7893 $directory_map{$directory} = 1;
7895 # Directory must be removed by `make distclean'.
7896 $compile_clean_files{$dirstamp} = $DIST_CLEAN;
7898 $output_rules .= ("$dirstamp:\n"
7899 . "\t\@\$(mkinstalldirs) $directory\n"
7900 . "\t\@: > $dirstamp\n");
7906 # &require_build_directory_maybe ($FILE)
7907 # --------------------------------------
7908 # If $FILE lies in a subdirectory, emit a rule to create this
7909 # directory and return the file that $FILE should be made
7910 # dependent upon. Otherwise, just return the empty string.
7911 sub require_build_directory_maybe ($)
7914 my $directory = dirname ($file);
7916 if ($directory ne '.')
7918 return &require_build_directory ($directory);
7926 ################################################################
7928 # Push a list of files onto dist_common.
7929 sub push_dist_common
7931 &prog_error ("push_dist_common run after handle_dist")
7932 if $handle_dist_run;
7933 macro_define ('DIST_COMMON', 1, '+', '', join (' ', @_), '');
7940 $strictness_name = $_[0];
7941 if ($strictness_name eq 'gnu')
7945 elsif ($strictness_name eq 'gnits')
7947 $strictness = $GNITS;
7949 elsif ($strictness_name eq 'foreign')
7951 $strictness = $FOREIGN;
7955 die "$me: level `$strictness_name' not recognized\n";
7960 ################################################################
7962 # Ensure a file exists.
7967 my $touch = new IO::File (">> $file");
7971 # Glob something. Do this to avoid indentation screwups everywhere we
7972 # want to glob. Gross!
7979 # Remove one level of brackets and strip leading spaces,
7980 # as does m4 to function arguments.
7986 my @letters = split //;
7995 next if $depth == 1;
8000 next if $depth == 0;
8001 # don't count orphan right brackets
8002 $depth = 0 if $depth < 0;
8006 return join '', @result;
8009 ################################################################
8011 # am_print_error ($LEADER, @ARGS)
8012 # -------------------------------
8013 # Do the work of printing the error message. Join @ARGS with spaces,
8014 # then split at newlines and add $LEADER to each line. Uses `warn' to
8018 my ($leader, @args) = @_;
8019 my $text = join (' ', @args);
8020 @args = split ("\n", $text);
8021 $text = $leader . join ("\n" . $leader, @args) . "\n";
8025 # Print an error message and set exit status.
8028 am_print_error ("$me: ${am_file}.am: ", @_);
8032 # am_file_error ($FILE, @ARGS)
8033 # ----------------------------
8036 my ($file, @args) = @_;
8038 am_print_error ("$file: ", @args);
8044 my ($symbol, @args) = @_;
8046 if ($symbol && "$symbol" ne '-1')
8048 my $file = "${am_file}.am";
8050 if ($symbol =~ /^\d+$/)
8052 # SYMBOL is a line number, so just add the colon.
8053 $file .= ':' . $symbol;
8055 elsif (defined $var_line{$symbol})
8057 # SYMBOL is a variable defined in Makefile.am, so add the
8058 # line number we saved from there.
8059 $file .= ':' . $var_line{$symbol};
8061 elsif (defined $configure_vars{$symbol})
8063 # SYMBOL is a variable defined in configure.ac, so add the
8064 # appropriate line number.
8065 $file = $configure_vars{$symbol};
8069 # Couldn't find the line number.
8072 am_print_error ("$file: ", @args);
8081 # Like am_error, but while scanning configure.ac.
8084 # FIXME: can run in subdirs.
8085 am_print_error ("$me: $configure_ac: ", @_);
8089 # Error message with line number referring to configure.ac.
8090 sub am_conf_line_error
8092 my ($file, $line, @args) = @_;
8096 am_print_error ("$file: $line: ", @args);
8101 &am_conf_error (@args);
8105 # Warning message with line number referring to configure.ac.
8106 # Does not affect exit_status
8107 sub am_conf_line_warning
8109 my $saved_exit_status = $exit_status;
8110 my $sig = $SIG{'__WARN__'};
8111 $SIG{'__WARN__'} = 'DEFAULT';
8112 am_conf_line_error (@_);
8113 $exit_status = $saved_exit_status;
8114 $SIG{'__WARN__'} = $sig;
8117 # Like am_line_error, but doesn't affect exit status.
8120 my $saved_exit_status = $exit_status;
8121 my $sig = $SIG{'__WARN__'};
8122 $SIG{'__WARN__'} = 'DEFAULT';
8124 $exit_status = $saved_exit_status;
8125 $SIG{'__WARN__'} = $sig;
8128 # Tell user where our aclocal.m4 is, but only once.
8129 sub keyed_aclocal_warning
8132 warn "$me: macro `$key' can be generated by `aclocal'\n";
8135 # Print usage information.
8139 Usage: $0 [OPTION] ... [Makefile]...
8141 Generate Makefile.in for configure from Makefile.am.
8144 --help print this help, then exit
8145 --version print version number, then exit
8146 -v, --verbose verbosely list files processed
8147 -o, --output-dir=DIR put generated Makefile.in's into DIR
8148 --no-force only update Makefile.in's that are out of date
8150 Dependency tracking:
8151 -i, --ignore-deps disable dependency tracking code
8152 --include-deps enable dependency tracking code
8155 --cygnus assume program is part of Cygnus-style tree
8156 --foreign set strictness to foreign
8157 --gnits set strictness to gnits
8158 --gnu set strictness to gnu
8161 -a, --add-missing add missing standard files to package
8162 --libdir=DIR directory storing library files
8163 -c, --copy with -a, copy missing files (default is symlink)
8164 -f, --force-missing force update of standard files
8169 foreach my $iter (sort ((@common_files, @common_sometimes)))
8171 push (@lcomm, $iter) unless $iter eq $last;
8176 print "\nFiles which are automatically distributed, if found:\n";
8177 format USAGE_FORMAT =
8178 @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
8179 $four[0], $four[1], $four[2], $four[3]
8181 $~ = "USAGE_FORMAT";
8184 my $rows = int(@lcomm / $cols);
8185 my $rest = @lcomm % $cols;
8196 for (my $y = 0; $y < $rows; $y++)
8198 @four = ("", "", "", "");
8199 for (my $x = 0; $x < $cols; $x++)
8201 last if $y + 1 == $rows && $x == $rest;
8203 my $idx = (($x > $rest)
8204 ? ($rows * $rest + ($rows - 1) * ($x - $rest))
8208 $four[$x] = $lcomm[$idx];
8213 print "\nReport bugs to <bug-automake\@gnu.org>.\n";
8220 # Print version information
8224 automake (GNU $PACKAGE) $VERSION
8225 Written by Tom Tromey <tromey\@cygnus.com>.
8227 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
8228 Free Software Foundation, Inc.
8229 This is free software; see the source for copying conditions. There is NO
8230 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.