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gnu/automake/56ddd5bcfc0e0f01346b61e58ec4d259f989f030/./automake.in
blob: 0fb8edfa941bbc42080b9a26c46631cd14720b4e [file]
#!@PERL@
# -*- perl -*-
# @configure_input@
eval 'exec @PERL@ -S $0 ${1+"$@"}'
if 0;
# automake - create Makefile.in from Makefile.am
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# Originally written by David Mackenzie <djm@gnu.ai.mit.edu>.
# Perl reimplementation by Tom Tromey <tromey@cygnus.com>.
# Parameters set by configure. Not to be changed. NOTE: assign
# VERSION as string so that eg version 0.30 will print correctly.
$VERSION = "@VERSION@";
$PACKAGE = "@PACKAGE@";
$prefix = "@prefix@";
$am_dir = "@datadir@/@PACKAGE@";
# String constants.
$IGNORE_PATTERN = "^##([^#].*)?\$";
$WHITE_PATTERN = "^[ \t]*\$";
$COMMENT_PATTERN = "^#";
$RULE_PATTERN = "^([\$a-zA-Z_.][-.a-zA-Z0-9_(){}/\$]*) *:([^=].*|)\$";
$SUFFIX_RULE_PATTERN = "^\\.([a-zA-Z]+)\\.([a-zA-Z]+)\$";
$MACRO_PATTERN = "^([A-Za-z][A-Za-z0-9_]*)[ \t]*([:+]?)=[ \t]*(.*)\$";
$BOGUS_MACRO_PATTERN = "^([^ \t]*)[ \t]*([:+]?)=[ \t]*(.*)\$";
$GNITS_VERSION_PATTERN = "[0-9]+\\.[0-9]+([a-z]|\\.[0-9]+)?";
$IF_PATTERN = "^if[ \t]+\([A-Za-z][A-Za-z0-9_]*\)[ \t]*\(#.*\)?\$";
$ELSE_PATTERN = "^else[ \t]*\(#.*\)?\$";
$ENDIF_PATTERN = "^endif[ \t]*\(#.*\)?\$";
$PATH_PATTERN='(\\w|/|\\.)+';
# This will pass through anything not of the prescribed form.
$INCLUDE_PATTERN = "^include[ \t]+((\\\$\\\(top_srcdir\\\)/${PATH_PATTERN})|(\\\$\\\(srcdir\\\)/${PATH_PATTERN})|([^/\\\$]${PATH_PATTERN}))[ \t]*(#.*)?\$";
# Some regular expressions. One reason to put them here is that it
# makes indentation work better in Emacs.
$AC_CONFIG_AUX_DIR_PATTERN = "AC_CONFIG_AUX_DIR\\(([^)]+)\\)";
$AM_INIT_AUTOMAKE_PATTERN = "AM_INIT_AUTOMAKE\\([^,]*,([^,)]+)[,)]";
$AM_PACKAGE_VERSION_PATTERN = "^\\s*\\[?([^]\\s]+)\\]?\\s*\$";
# Note that there is no AC_PATH_TOOL. But we don't really care.
$AC_CHECK_PATTERN = "AC_(CHECK|PATH)_(PROG|PROGS|TOOL)\\(\\[?(\\w+)";
$AM_MISSING_PATTERN = "AM_MISSING_PROG\\(\\[?(\\w+)";
# Just check for alphanumeric in AC_SUBST. If you do AC_SUBST(5),
# then too bad.
$AC_SUBST_PATTERN = "AC_SUBST\\(\\[?(\\w+)";
$AM_CONDITIONAL_PATTERN = "AM_CONDITIONAL\\((\\w+)";
# Constants to define the "strictness" level.
$FOREIGN = 0;
$GNU = 1;
$GNITS = 2;
# Variables global to entire run.
# TRUE if we should always generate Makefile.in.
$force_generation = 1;
# Strictness level as set on command line.
$default_strictness = $GNU;
# Name of strictness level, as set on command line.
$default_strictness_name = 'gnu';
# This is TRUE if GNU make specific automatic dependency generation
# code should be included in generated Makefile.in.
$cmdline_use_dependencies = 1;
# This is the name of a dependency makefile bit (usually for inclusion in a
# SMakefile or similar); empty if not set.
$generate_deps = '';
# TRUE if in verbose mode.
$verbose = 0;
# This holds our (eventual) exit status. We don't actually exit until
# we have processed all input files.
$exit_status = 0;
# From the Perl manual.
$symlink_exists = (eval 'symlink ("", "");', $@ eq '');
# TRUE if missing standard files should be installed.
$add_missing = 0;
# TRUE if we should copy missing files; otherwise symlink if possible.
$copy_missing = 0;
# Files found by scanning configure.in for LIBOBJS.
%libsources = ();
# True if AM_C_PROTOTYPES appears in configure.in.
$am_c_prototypes = 0;
# Names used in AC_CONFIG_HEADER call. @config_fullnames holds the
# name which appears in AC_CONFIG_HEADER, colon and all.
# @config_names holds the file names. @config_headers holds the '.in'
# files. Ordinarily these are similar, but they can be different if
# the weird "NAME:FILE" syntax is used.
@config_fullnames = ();
@config_names = ();
@config_headers = ();
# Line number at which AC_CONFIG_HEADER appears in configure.in.
$config_header_line = 0;
# Directory where output files go. Actually, output files are
# relative to this directory.
$output_directory = '.';
# Relative location of top build directory.
$top_builddir = '';
# Absolute location of top build directory.
$build_directory = '';
# Name of srcdir as given in build directory's Makefile. For
# dependencies only.
$srcdir_name = '';
# List of Makefile.am's to process, and their corresponding outputs.
@input_files = ();
%output_files = ();
# List of files in AC_OUTPUT without Makefile.am, and their outputs.
@other_input_files = ();
# Line number at which AC_OUTPUT seen.
$ac_output_line = 0;
# List of directories to search for configure-required files. This
# can be set by AC_CONFIG_AUX_DIR.
@config_aux_path = ('.', '..', '../..');
$config_aux_dir = '';
# Whether AC_PROG_MAKE_SET has been seen in configure.in.
$seen_make_set = 0;
# Whether AM_GNU_GETTEXT has been seen in configure.in.
$seen_gettext = 0;
# Line number at which AM_GNU_GETTEXT seen.
$ac_gettext_line = 0;
# Whether ALL_LINGUAS has been seen.
$seen_linguas = '';
# The actual text.
$all_linguas = '';
# Line number at which it appears.
$all_linguas_line = 0;
# 1 if AC_PROG_INSTALL seen.
$seen_prog_install = 0;
# Whether AC_PATH_XTRA has been seen in configure.in.
$seen_path_xtra = 0;
# TRUE if AC_DECL_YYTEXT was seen.
$seen_decl_yytext = 0;
# TRUE if we've seen AC_CANONICAL_(HOST|SYSTEM). The presence of
# AC_CHECK_TOOL also sets this.
$seen_canonical = 0;
# TRUE if we've seen AC_ARG_PROGRAM.
$seen_arg_prog = 0;
# TRUE if we've seen AC_PROG_LIBTOOL.
$seen_libtool = 0;
$libtool_line = 0;
# Files installed by libtoolize.
@libtoolize_files = ('ltconfig', 'ltmain.sh', 'config.guess', 'config.sub');
# TRUE if we've seen AM_MAINTAINER_MODE.
$seen_maint_mode = 0;
# TRUE if we've seen PACKAGE and VERSION.
$seen_package = 0;
$seen_version = 0;
# Actual version we've seen.
$package_version = '';
# Line number where we saw version definition.
$package_version_line = 0;
# TRUE if we've seen AM_PATH_LISPDIR.
$seen_lispdir = 0;
# TRUE if we've seen AC_EXEEXT.
$seen_exeext = 0;
# TRUE if we've seen AC_OBJEXT.
$seen_objext = 0;
# TRUE if we've seen AC_ENABLE_MULTILIB.
$seen_multilib = 0;
# Hash table of discovered configure substitutions. Keys are names,
# values are `FILE:LINE' strings which are used by error message
# generation.
%configure_vars = ();
# This is used to keep track of which variable definitions we are
# scanning. It is only used in certain limited ways, but it has to be
# global. It is declared just for documentation purposes.
%vars_scanned = ();
# Charsets used by maintainer and in distribution. MAINT_CHARSET is
# handled in a funny way: if seen in the top-level Makefile.am, it is
# used for every directory which does not specify a different value.
# The rationale here is that some directories (eg gettext) might be
# distributions of other packages, and thus require their own charset
# info. However, the DIST_CHARSET must be the same for the entire
# package; it can only be set at top-level.
# FIXME: this yields bugs when rebuilding. What to do? Always
# read (and sometimes discard) top-level Makefile.am?
$maint_charset = '';
$dist_charset = 'utf8'; # recode doesn't support this yet.
# Name of input file ("Makefile.in") and output file ("Makefile.am").
# These have no directory components.
$am_file_name = '';
$in_file_name = '';
# TRUE if --cygnus seen.
$cygnus_mode = 0;
# Keys of this hash are names of dependency files to ignore.
%omit_dependencies = ();
# Hash table of AM_CONDITIONAL variables seen in configure.
%configure_cond = ();
# Map from obsolete macros to hints for new macros.
# If you change this, change the corresponding list in aclocal.in.
# FIXME: should just put this into a single file.
%obsolete_macros =
(
'AC_FEATURE_CTYPE', "use \`AC_HEADER_STDC'",
'AC_FEATURE_ERRNO', "add \`strerror' to \`AC_REPLACE_FUNCS(...)'",
'AC_FEATURE_EXIT', '',
'AC_SYSTEM_HEADER', '',
# Note that we do not handle this one, because it is still run
# from AM_CONFIG_HEADER. So we deal with it specially in
# scan_configure.
# 'AC_CONFIG_HEADER', "use \`AM_CONFIG_HEADER'",
'fp_C_PROTOTYPES', "use \`AM_C_PROTOTYPES'",
'fp_PROG_CC_STDC', "use \`AM_PROG_CC_STDC'",
'fp_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
'fp_WITH_DMALLOC', "use \`AM_WITH_DMALLOC'",
'fp_WITH_REGEX', "use \`AM_WITH_REGEX'",
'gm_PROG_LIBTOOL', "use \`AM_PROG_LIBTOOL'",
'jm_MAINTAINER_MODE', "use \`AM_MAINTAINER_MODE'",
'md_TYPE_PTRDIFF_T', "use \`AM_TYPE_PTRDIFF_T'",
'ud_PATH_LISPDIR', "use \`AM_PATH_LISPDIR'",
'ud_GNU_GETTEXT', "use \`AM_GNU_GETTEXT'",
# Now part of autoconf proper, under a different name.
'AM_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
'fp_FUNC_FNMATCH', "use \`AC_FUNC_FNMATCH'",
'AM_SANITY_CHECK_CC', "automatically done by \`AC_PROG_CC'",
'AM_PROG_INSTALL', "use \`AC_PROG_INSTALL'",
'AM_EXEEXT', "use \`AC_EXEEXT'",
'AM_CYGWIN32', "use \`AC_CYGWIN32'",
'AM_MINGW32', "use \`AC_MINGW32'",
# These aren't quite obsolete.
# 'md_PATH_PROG',
);
# Regexp to match the above macros.
$obsolete_rx = '(' . join ('|', keys %obsolete_macros) . ')';
# This maps extensions onto language names.
%extension_map = ();
# This maps languages names onto properties.
%language_map = ();
# Initialize global constants and our list of languages that are
# internally supported.
&initialize_global_constants;
&register_language ('c', '', 1,
'c');
&register_language ('cxx', 'CXXLINK', 0,
'c++', 'cc', 'cpp', 'cxx', 'C');
&register_language ('objc', 'OBJCLINK', 0,
'm');
&register_language ('header', '', 0,
'h', 'H', 'hxx', 'h++', 'hh', 'hpp', 'inc');
&register_language ('yacc', '', 1,
'y');
&register_language ('yaccxx', 'CXXLINK', 0,
'y++', 'yy', 'yxx', 'ypp');
&register_language ('lex', '', 1,
'l');
&register_language ('lexxx', 'CXXLINK', 0,
'l++', 'll', 'lxx', 'lpp');
&register_language ('asm', '', 0,
's', 'S');
&register_language ('f77', 'F77LINK', 0,
'f', 'for', 'f90');
&register_language ('ppf77', 'F77LINK', 0,
'F');
&register_language ('ratfor', 'F77LINK', 0,
'r');
# Parse command line.
&parse_arguments (@ARGV);
# Do configure.in scan only once.
&scan_configure;
die "automake: no \`Makefile.am' found or specified\n"
if ! @input_files;
# If --generate-deps was given, we don't do anything else
#
if ($generate_deps)
{
die "automake: Must specify --include-deps (or -i) when generating\n"
if $use_dependencies;
die "automake: Must provide --build-dir when generating\n"
if ! $build_directory;
die "automake: Must provide --srcdir-name when generating\n"
if ! $srcdir_name;
open (GDEP, ">$output_directory/.dep_segment")
|| die "automake: Could not open `$output_directory/.dep_segment': $!\n";
&handle_dependencies;
print GDEP $output_rules;
close(GDEP);
exit $exit_status;
}
# Now do all the work on each file.
foreach $am_file (@input_files)
{
if (! -f ($am_file . '.am'))
{
&am_error ("\`" . $am_file . ".am' does not exist");
}
else
{
&generate_makefile ($output_files{$am_file}, $am_file);
}
}
&am_conf_error ("AC_PROG_INSTALL must be used in configure.in")
if (! $seen_prog_install);
exit $exit_status;
################################################################
# Parse command line.
sub parse_arguments
{
local (@arglist) = @_;
# Start off as gnu.
&set_strictness ('gnu');
while (@arglist)
{
if ($arglist[0] eq "--version")
{
print "automake (GNU $PACKAGE) $VERSION\n\n";
print "Copyright (C) 1999 Free Software Foundation, Inc.\n";
print "This is free software; see the source for copying conditions. There is NO\n";
print "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n";
print "Written by Tom Tromey <tromey\@cygnus.com>\n";
exit 0;
}
elsif ($arglist[0] eq "--help")
{
&usage;
}
elsif ($arglist[0] =~ /^--amdir=(.+)$/)
{
$am_dir = $1;
}
elsif ($arglist[0] eq '--amdir')
{
&require_argument (@arglist);
shift (@arglist);
$am_dir = $arglist[0];
}
elsif ($arglist[0] =~ /^--build-dir=(.+)$/)
{
# Must end in /.
$build_directory = $1 . '/';
}
elsif ($arglist[0] eq '--build-dir')
{
&require_argument (@arglist);
shift (@arglist);
# Must end in /.
$build_directory = $arglist[0] . '/';
}
elsif ($arglist[0] =~ /^--srcdir-name=(.+)$/)
{
$srcdir_name = $1;
}
elsif ($arglist[0] eq '--srcdir-name')
{
&require_argument (@arglist);
shift (@arglist);
$srcdir_name = $arglist[0];
}
elsif ($arglist[0] eq '--gnu')
{
&set_strictness ('gnu');
}
elsif ($arglist[0] eq '--gnits')
{
&set_strictness ('gnits');
}
elsif ($arglist[0] eq '--cygnus')
{
$cygnus_mode = 1;
}
elsif ($arglist[0] eq '--foreign')
{
&set_strictness ('foreign');
}
elsif ($arglist[0] eq '--include-deps' || $arglist[0] eq '-i')
{
$cmdline_use_dependencies = 0;
}
elsif ($arglist[0] eq '--generate-deps')
{
$generate_deps = 1;
}
elsif ($arglist[0] eq '--no-force')
{
$force_generation = 0;
}
elsif ($arglist[0] =~ /^--output-dir=(.*)$/)
{
# Set output directory.
$output_directory = $1;
}
elsif ($arglist[0] eq '--output-dir' || $arglist[0] eq '-o')
{
&require_argument (@arglist);
shift (@arglist);
$output_directory = $arglist[0];
}
elsif ($arglist[0] eq '--add-missing' || $arglist[0] eq '-a')
{
$add_missing = 1;
}
elsif ($arglist[0] eq '--copy' || $arglist[0] eq '-c')
{
$copy_missing = 1;
}
elsif ($arglist[0] eq '--verbose' || $arglist[0] eq '-v')
{
$verbose = 1;
}
elsif ($arglist[0] eq '--')
{
# Stop option processing.
shift (@arglist);
push (@input_files, @arglist);
last;
}
elsif ($arglist[0] =~ /^-/)
{
die "automake: unrecognized option -- \`$arglist[0]'\nTry \`automake --help' for more information.\n";
}
else
{
# Handle $local:$input syntax. Note that we only examine
# the first ":" file to see if it is automake input; the
# rest are just taken verbatim. We still keep all the
# files around for dependency checking, however.
local ($local, $input, @rest) = split (/:/, $arglist[0]);
if (! $input)
{
$input = $local;
}
else
{
# Strip .in; later on .am is tacked on. That is how
# the automake input file is found. Maybe not the
# best way, but it is easy to explain. FIXME: should
# be error if .in is missing.
$input =~ s/\.in$//;
}
push (@input_files, $input);
$output_files{$input} = join (':', ($local, @rest));
}
shift (@arglist);
}
# Take global strictness from whatever we currently have set.
$default_strictness = $strictness;
$default_strictness_name = $strictness_name;
}
# Ensure argument exists, or die.
sub require_argument
{
local ($arg, @arglist) = @_;
die "automake: no argument given for option \`$arg'\n"
if ! @arglist;
}
################################################################
# Generate a Makefile.in given the name of the corresponding Makefile and
# the name of the file output by config.status.
sub generate_makefile
{
local ($output, $makefile) = @_;
($am_file_name = $makefile) =~ s/^.*\///;
$in_file_name = $am_file_name . '.in';
$am_file_name .= '.am';
# $OUTPUT is encoded. If it contains a ":" then the first element
# is the real output file, and all remaining elements are input
# files. We don't scan or otherwise deal with these input file,
# other than to mark them as dependencies. See scan_configure for
# details.
local (@secondary_inputs);
($output, @secondary_inputs) = split (/:/, $output);
&initialize_per_input;
$relative_dir = &dirname ($output);
$am_relative_dir = &dirname ($makefile);
# At the toplevel directory, we might need config.guess, config.sub
# or libtool scripts (ltconfig and ltmain.sh).
if ($relative_dir eq '.')
{
# libtool requires some files.
&require_conf_file_with_conf_line ($libtool_line, $FOREIGN,
@libtoolize_files)
if $seen_libtool;
# AC_CANONICAL_HOST and AC_CANONICAL_SYSTEM need config.guess and
# config.sub.
&require_config_file ($FOREIGN, 'config.guess', 'config.sub')
if $seen_canonical;
}
# We still need Makefile.in here, because sometimes the `dist'
# target doesn't re-run automake.
if ($am_relative_dir eq $relative_dir)
{
# Only distribute the files if they are in the same subdir as
# the generated makefile.
&push_dist_common ($in_file_name, $am_file_name);
}
push (@sources, '$(SOURCES)')
if &variable_defined ('SOURCES');
push (@objects, '$(OBJECTS)')
if &variable_defined ('OBJECTS');
&read_main_am_file ($makefile . '.am');
if (&handle_options)
{
# Fatal error. Just return, so we can continue with next file.
return;
}
# Check first, because we might modify some state.
&check_cygnus;
&check_gnu_standards;
&check_gnits_standards;
&handle_configure ($output, $makefile, @secondary_inputs);
&handle_gettext;
&handle_libraries;
&handle_ltlibraries;
&handle_programs;
&handle_scripts;
&handle_built_sources;
# This must be run after all the sources are scanned.
&finish_languages;
# Re-init SOURCES and OBJECTS. FIXME: other code shouldn't depend
# on this (but currently does).
$contents{'SOURCES'} = join (' ', @sources);
$contents{'OBJECTS'} = join (' ', @objects);
&handle_multilib;
&handle_texinfo;
&handle_emacs_lisp;
&handle_java;
&handle_man_pages;
&handle_data;
&handle_headers;
&handle_subdirs;
&handle_tags;
&handle_minor_options;
&handle_dist ($makefile);
&handle_dependencies;
&handle_tests;
&handle_footer;
&handle_merge_targets ($output);
&handle_installdirs;
&handle_clean;
&handle_phony;
&check_typos;
if (! -d ($output_directory . '/' . $am_relative_dir))
{
mkdir ($output_directory . '/' . $am_relative_dir, 0755);
}
local ($out_file) = $output_directory . '/' . $makefile . ".in";
if (! $force_generation && -e $out_file)
{
local ($am_time) = (stat ($makefile . '.am'))[9];
local ($in_time) = (stat ($out_file))[9];
# FIXME: should cache these times.
local ($conf_time) = (stat ('configure.in'))[9];
# FIXME: how to do unsigned comparison?
if ($am_time < $in_time || $am_time < $conf_time)
{
# No need to update.
return;
}
if (-f 'aclocal.m4')
{
local ($acl_time) = (stat _)[9];
return if ($am_time < $acl_time);
}
}
if (! open (GM_FILE, "> " . $out_file))
{
warn "automake: ${am_file}.in: cannot write: $!\n";
$exit_status = 1;
return;
}
print "automake: creating ", $makefile, ".in\n" if $verbose;
print GM_FILE $output_vars;
# We make sure that `all:' is the first target.
print GM_FILE $output_all;
print GM_FILE $output_header;
print GM_FILE $output_rules;
print GM_FILE $output_trailer;
close (GM_FILE);
}
################################################################
# Handle AUTOMAKE_OPTIONS variable. Return 1 on error, 0 otherwise.
sub handle_options
{
if (&variable_defined ('AUTOMAKE_OPTIONS'))
{
foreach (&variable_value_as_list ('AUTOMAKE_OPTIONS', ''))
{
$options{$_} = 1;
if ($_ eq 'gnits' || $_ eq 'gnu' || $_ eq 'foreign')
{
&set_strictness ($_);
}
elsif ($_ eq 'cygnus')
{
$cygnus_mode = 1;
}
elsif (/ansi2knr/)
{
# An option like "../lib/ansi2knr" is allowed. With
# no path prefix, we assume the required programs are
# in this directory. We save the actual option for
# later.
$options{'ansi2knr'} = $_;
}
elsif ($_ eq 'no-installman' || $_ eq 'no-installinfo'
|| $_ eq 'dist-shar' || $_ eq 'dist-zip'
|| $_ eq 'dist-tarZ' || $_ eq 'dist-bzip2'
|| $_ eq 'dejagnu' || $_ eq 'no-texinfo.tex'
|| $_ eq 'readme-alpha' || $_ eq 'check-news')
{
# Explicitly recognize these.
}
elsif ($_ eq 'no-dependencies')
{
$use_dependencies = 0;
}
elsif (/([0-9]+)\.([0-9]+)([a-z])?/)
{
# Got a version number.
local ($rmajor, $rminor, $ralpha) = ($1, $2, $3);
if ($VERSION !~ /([0-9]+)\.([0-9]+)([a-z])?/)
{
print STDERR
"automake: programming error: version is incorrect\n";
exit 1;
}
local ($tmajor, $tminor, $talpha) = ($1, $2, $3);
# 2.0 is better than 1.0.
# 1.2 is better than 1.1.
# 1.2a is better than 1.2.
if ($rmajor > $tmajor
|| ($rmajor == $tmajor && $rminor > $tminor)
|| ($rminor == $tminor && $rminor == $tminor
&& $ralpha gt $talpha))
{
&am_line_error ('AUTOMAKE_OPTIONS',
"require version $_, only have $VERSION");
return 1;
}
}
else
{
&am_line_error ('AUTOMAKE_OPTIONS',
"option \`" . $_ . "\' not recognized");
}
}
}
if ($strictness == $GNITS)
{
$options{'readme-alpha'} = 1;
$options{'check-news'} = 1;
}
return 0;
}
# Return object extension. Just once, put some code into the output.
# Argument is the name of the output file
sub get_object_extension
{
local ($out) = @_;
# Maybe require libtool library object files.
local ($extension) = '.o';
$extension = '.$(OBJEXT)' if $seen_objext;
$extension = '.lo' if ($out =~ /\.la$/);
if (! $included_generic_compile)
{
# Boilerplate.
local ($xform) = '';
if (&variable_defined ('CONFIG_HEADER'))
{
local ($one_hdr);
foreach $one_hdr (split (' ', &variable_value ('CONFIG_HEADER')))
{
local ($var);
($var = &dirname ($one_hdr)) =~ s/(\W)/\\$1/g;
$xform .= ' ' if $xform;
$xform .= '-I' . $var;
}
}
$xform = 's/\@CONFIG_INCLUDE_SPEC\@/' . $xform . '/go;';
$output_vars .= &file_contents_with_transform ($xform,
'comp-vars');
$xform = (($use_dependencies
? 's/^NOTDEPEND.*$//;'
: 's/^NOTDEPEND//;')
. ($seen_objext ? 's/^OBJEXT//;' : 's/^OBJEXT.*$//;'));
$output_rules .= &file_contents_with_transform ($xform, 'compile');
&push_phony_cleaners ('compile');
# If using X, include some extra variable definitions. NOTE
# we don't want to force these into CFLAGS or anything,
# because not all programs will necessarily use X.
if ($seen_path_xtra)
{
local ($var);
foreach $var ('X_CFLAGS', 'X_LIBS', 'X_EXTRA_LIBS', 'X_PRE_LIBS')
{
&define_configure_variable ($var);
}
}
push (@suffixes, '.c', '.o', '.S', '.s');
push (@suffixes, '.obj') if $seen_objext;
push (@clean, 'compile');
$included_generic_compile = 1;
}
if ($seen_libtool && ! $included_libtool_compile)
{
# Output the libtool compilation rules.
$output_rules .=
&file_contents_with_transform
($use_dependencies ? 's/^NOTDEPEND.*$//;' : 's/^NOTDEPEND//;',
'libtool');
&push_phony_cleaners ('libtool');
push (@suffixes, '.lo');
push (@clean, 'libtool');
$included_libtool_compile = 1;
}
# Check for automatic de-ANSI-fication.
if (defined $options{'ansi2knr'})
{
$extension = '$U' . $extension;
if (! $included_knr_compile)
{
if (! $am_c_prototypes)
{
&am_line_error ('AUTOMAKE_OPTIONS',
"option \`ansi2knr' in use but \`AM_C_PROTOTYPES' not in configure.in");
&keyed_aclocal_warning ('AM_C_PROTOTYPES');
# Only give this error once.
$am_c_prototypes = 1;
}
# Only require ansi2knr files if they should appear in
# this directory.
if ($options{'ansi2knr'} eq 'ansi2knr')
{
&require_file_with_line ('AUTOMAKE_OPTIONS', $FOREIGN,
'ansi2knr.c', 'ansi2knr.1');
$output_rules .= &file_contents ('kr-extra');
push (@clean, 'krextra');
&push_phony_cleaners ('krextra');
}
# Generate rules to build ansi2knr. If it is in some
# other directory, then generate dependencies but have the
# rule just run elsewhere.
$objext = $seen_objext ? ".$(OBJEXT)" : ".o";
$output_rules .= ($options{'ansi2knr'} . ': '
. $options{'ansi2knr'} . $objext . "\n");
if ($options{'ansi2knr'} eq 'ansi2knr')
{
$output_rules .= ("\t\$(LINK) ansi2knr" . $objext
. " \$(LIBS)\n"
. "ansi2knr" . $objext
. ": \$(CONFIG_HEADER)\n\n");
}
else
{
$output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
. " && \$(MAKE) \$(AM_MAKEFLAGS) "
. "ansi2knr\n\n");
# This is required for non-GNU makes.
$output_rules .= ($options{'ansi2knr'} . $objext . ":\n");
$output_rules .= ("\tcd " . &dirname ($options{'ansi2knr'})
. " && \$(MAKE) \$(AM_MAKEFLAGS)"
. " ansi2knr" . $objext . "\n\n");
}
# Make sure ansi2knr can be found: if no path specified,
# specify "./".
if ($options{'ansi2knr'} eq 'ansi2knr')
{
# Substitution from AM_C_PROTOTYPES. This makes it be
# built only when necessary.
&define_configure_variable ('ANSI2KNR');
# ansi2knr needs to be built before subdirs, so unshift it.
unshift (@all, '$(ANSI2KNR)');
}
else
{
# Found in another directory.
&define_variable ("ANSI2KNR", $options{'ansi2knr'});
}
$output_rules .= &file_contents ('clean-kr');
push (@clean, 'kr');
&push_phony_cleaners ('kr');
$included_knr_compile = 1;
}
}
return $extension;
}
# Call finish function for each language that was used.
sub finish_languages
{
local ($ext, $name, $lang, %done);
local ($non_c) = 1;
foreach $ext (sort keys %extension_seen)
{
$lang = $extension_map{$ext};
next if defined $done{$lang};
$done{$lang} = 1;
$non_c = 0 if $lang !~ /(objc|cxx|f77|ratfor)$/;
# Compute the function name of the finisher and then call it.
$name = 'lang_' . $lang . '_finish';
& $name ();
}
# If the project is entirely C++ or entirely Fortran 77, don't
# bother with the C stuff. But if anything else creeps in, then use
# it.
if (! $non_c || scalar keys %suffix_rules > 0)
{
local ($ltcompile, $ltlink) = &libtool_compiler;
&define_configure_variable ('CFLAGS');
&define_compiler_variable ('COMPILE', $ltcompile,
'$(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)');
&define_variable ('CCLD', '$(CC)');
&define_variable ('LINK', $ltlink . '$(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
}
}
# Output a rule to build from a YACC source. The output from YACC is
# compiled with C or C++, depending on the extension of the YACC file.
sub output_yacc_build_rule
{
local ($yacc_suffix, $use_ylwrap, $c_suffix) = @_;
local ($suffix);
($suffix = $yacc_suffix) =~ tr/y/c/;
push (@suffixes, $yacc_suffix, $suffix);
# Generate rule for c/c++.
$output_rules .= "$yacc_suffix$suffix:\n\t";
if ($use_ylwrap)
{
$output_rules .= ('$(SHELL) $(YLWRAP)'
. ' "$(YACC)" $< y.tab.c $*' . $suffix
. ' y.tab.h $*.h -- $(AM_YFLAGS) $(YFLAGS)');
}
else
{
$output_rules .= ('$(YACC) $(AM_YFLAGS) $(YFLAGS) $< && mv y.tab.c $*'
. $suffix . "\n"
. "\tif test -f y.tab.h; then \\\n"
. "\tif cmp -s y.tab.h \$*.h; then rm -f y.tab.h; else mv y.tab.h \$*.h; fi; \\\n"
. "\telse :; fi");
}
$output_rules .= "\n";
}
sub output_lex_build_rule
{
local ($lex_suffix, $use_ylwrap) = @_;
local ($c_suffix);
($c_suffix = $lex_suffix) =~ tr/l/c/;
push (@suffixes, $lex_suffix);
&define_configure_variable ('LEX_OUTPUT_ROOT');
&define_configure_variable ('LEXLIB');
$output_rules .= "$lex_suffix$c_suffix:\n\t";
if ($use_ylwrap)
{
# Is the $@ correct here? If so, why not use it in the ylwrap
# build rule for yacc above?
$output_rules .= '$(SHELL) $(YLWRAP)'
. ' "$(LEX)" $< $(LEX_OUTPUT_ROOT).c $@ -- $(AM_LFLAGS) $(LFLAGS)';
}
else
{
$output_rules .= '$(LEX) $(AM_LFLAGS) $(LFLAGS) $< && mv $(LEX_OUTPUT_ROOT).c $@';
}
$output_rules .= "\n";
}
# Check to make sure a source defined in LIBOBJS is not explicitly
# mentioned. This is a separate function (as opposed to being inlined
# in handle_source_transform) because it isn't always appropriate to
# do this check.
sub check_libobjs_sources
{
local ($one_file, $unxformed) = @_;
local ($prefix, $file, @files);
foreach $prefix ('', 'EXTRA_')
{
if (&variable_defined ($prefix . $one_file . '_SOURCES'))
{
@files = &variable_value_as_list (($prefix
. $one_file . '_SOURCES'),
'all');
}
elsif ($prefix eq '')
{
@files = ($unxformed . '.c');
}
else
{
next;
}
foreach $file (@files)
{
if (defined $libsources{$file})
{
&am_line_error ($prefix . $one_file . '_SOURCES',
"automatically discovered file \`$file' should not be explicitly mentioned");
}
}
}
}
# Does much of the actual work for handle_source_transform.
# Arguments are:
# object extension (e.g., `$U.lo')
# list of source files to transform
# Result is a list
# first element is name of linker to use (empty string for default linker)
# remaining elements are names of objects
sub handle_single_transform_list
{
local ($obj, @files) = @_;
local (@result) = ();
local ($nonansi_obj) = $obj;
$nonansi_obj =~ s/_//g;
local (%linkers_used) = ();
if (@files > 0)
{
# Turn sources into objects.
foreach (@files)
{
# Skip things that look like configure substitutions.
next if /^\@.*\@$/;
# If the source file is in a subdirectory then the `.o' is
# put into the current directory.
# Split file name into base and extension.
local ($full, $directory, $base, $extension, $linker, $object);
next if ! /^((.*)\/)?([^\/]*)\.(.*)$/;
$full = $_;
$directory = $2;
$base = $3;
$extension = $4;
local ($lang) = $extension_map{$extension};
if ($lang)
{
&saw_extension ($extension);
# Found the language, so see what it says.
local ($subr) = 'lang_' . $lang . '_rewrite';
# Note: computed subr call.
local ($r) = & $subr ($base, $extension);
# Skip this entry if we were asked not to process it.
next if ! $r;
# Now extract linker and other info.
$linker = $language_map{$lang . '-linker'};
if ($language_map{$lang . '-ansi-p'})
{
$object = $base . $obj;
}
else
{
$object = $base . $nonansi_obj;
}
}
elsif ($extension =~ /^$source_suffix_pattern$/)
{
# We just rewrite it. Maybe we should do more.
$object = $base . '.' . $suffix_rules{$extension};
$linker = '';
}
else
{
# No error message here. Used to have one, but it was
# very unpopular.
next;
}
$linkers_used{$linker} = 1;
push (@result, $object);
if (defined $object_map{$object})
{
if ($object_map{$object} ne $full)
{
&am_error ("object \`$object' created by \`$full' and \`$object_map{$object}'");
}
}
else
{
$object_map{$object} = $full;
if ($directory ne '')
{
# If file is in subdirectory, we need explicit dependency.
&pretty_print_rule ($object . ':', "\t", $full);
}
}
# Transform .o or $o file into .P file (for automatic
# dependency code).
$dep_files{'.deps/' . $base . '.P'} = 1;
}
}
return (&resolve_linker (%linkers_used), @result);
}
# Handle SOURCE->OBJECT transform for one program or library.
# Arguments are:
# canonical (transformed) name of object to build
# actual name of object to build
# object extension (ie either `.o' or `$o'.
# Return result is name of linker variable that must be used.
# Empty return means just use `LINK'.
sub handle_source_transform
{
# one_file is canonical name. unxformed is given name. obj is
# object extension.
local ($one_file, $unxformed, $obj) = @_;
local ($linker) = '';
if (&variable_defined ($one_file . "_OBJECTS"))
{
&am_line_error ($one_file . '_OBJECTS',
$one_file . '_OBJECTS', 'should not be defined');
# No point in continuing.
return;
}
local (@files, @result, $prefix, $temp);
foreach $prefix ('', 'EXTRA_')
{
@files = ();
local ($var) = $prefix . $one_file . "_SOURCES";
if (&variable_defined ($var))
{
push (@sources, '$(' . $prefix . $one_file . "_SOURCES)");
push (@objects, '$(' . $prefix . $one_file . "_OBJECTS)")
unless $prefix eq 'EXTRA_';
local (@conds) = &variable_conditions ($var);
if (! @conds)
{
@files = &variable_value_as_list ($var, '');
}
else
{
local ($cond);
foreach $cond (@conds)
{
@files = &variable_value_as_list ($var, $cond);
($temp, @result) = &handle_single_transform_list ($obj,
@files);
$linker = $temp if $linker eq '';
# Define _OBJECTS conditionally.
&define_pretty_variable ($one_file . '_OBJECTS', $cond,
@result)
unless $prefix eq 'EXTRA_';
}
next;
}
}
elsif ($prefix eq '')
{
&define_variable ($one_file . "_SOURCES", $unxformed . ".c");
push (@sources, $unxformed . '.c');
push (@objects, $unxformed . $obj);
push (@files, $unxformed . '.c');
}
($temp, @result) = &handle_single_transform_list ($obj, @files);
$linker = $temp if $linker eq '';
&define_pretty_variable ($one_file . "_OBJECTS", '', @result)
unless $prefix eq 'EXTRA_';
}
return $linker;
}
# Handle the BUILT_SOURCES variable.
sub handle_built_sources
{
return unless &variable_defined ('BUILT_SOURCES');
local (@sources) = &variable_value_as_list ('BUILT_SOURCES', 'all');
local ($s);
foreach $s (@sources)
{
if (/^\@.*\@$/)
{
# FIXME: is this really the right thing to do?
&am_line_error ('BUILT_SOURCES',
"\`BUILT_SOURCES' should not contain a configure substitution");
last;
}
}
# We don't care about the return value of this function. We just
# want to make sure to update %dep_files with the contents of
# BUILT_SOURCES.
&handle_single_transform_list (".o", @sources);
}
# Special-case @ALLOCA@ and @LIBOBJS@ in _LDADD or _LIBADD variables.
# Also, generate _DEPENDENCIES variable if appropriate.
# Arguments are:
# transformed name of object being built, or empty string if no object
# name of _LDADD/_LIBADD-type variable to examine
# boolean (lex_seen) which is true if a lex source file was seen in this
# object. valid only for LDADDs, not LIBADDs.
# Returns 1 if LIBOBJS seen, 0 otherwise.
sub handle_lib_objects
{
local ($xname, $var, $lex_seen) = @_;
local ($ret);
die "automake: programming error 1 in handle_lib_objects\n"
if ! &variable_defined ($var);
die "automake: programming error 2 in handle_lib_objects\n"
if $lex_seen && $var =~ /LIBADD/;
local (@conds) = &variable_conditions ($var);
if (! @conds)
{
$ret = &handle_lib_objects_cond ($xname, $var, $lex_seen, '');
}
else
{
local ($cond);
$ret = 0;
foreach $cond (@conds)
{
if (&handle_lib_objects_cond ($xname, $var, $lex_seen, $cond))
{
$ret = 1;
}
}
}
return $ret;
}
# Subroutine of handle_lib_objects: handle a particular condition.
sub handle_lib_objects_cond
{
local ($xname, $var, $lex_seen, $cond) = @_;
# We recognize certain things that are commonly put in LIBADD or
# LDADD.
local ($lsearch);
local (@dep_list) = ();
local ($seen_libobjs) = 0;
local ($flagvar) = 0;
foreach $lsearch (&variable_value_as_list ($var, $cond))
{
# Skip -lfoo and -Ldir; these are explicitly allowed.
next if $lsearch =~ /^-[lL]/;
if (! $flagvar && $lsearch =~ /^-/)
{
if ($var =~ /^(.*)LDADD$/)
{
# Skip -dlopen and -dlpreopen; these are explicitly allowed.
next if $lsearch =~ /^-dl(pre)?open$/;
&am_line_error ($var, "linker flags such as \`$lsearch' belong in \`${1}LDFLAGS");
}
else
{
# Only get this error once.
$flagvar = 1;
&am_line_error ($var, "you cannot use linker flags such as \`$lsearch' in \`$var'");
}
}
# Assume we have a file of some sort, and push it onto the
# dependency list. Autoconf substitutions are not pushed;
# rarely is a new dependency substituted into (eg) foo_LDADD
# -- but "bad things (eg -lX11) are routinely substituted.
# Note that LIBOBJS and ALLOCA are exceptions to this rule,
# and handled specially below.
push (@dep_list, $lsearch)
unless $lsearch =~ /^\@.*\@$/;
# Automatically handle @LIBOBJS@ and @ALLOCA@. Basically this
# means adding entries to dep_files.
if ($lsearch =~ /^\@(LT)?LIBOBJS\@$/)
{
push (@dep_list, $lsearch);
$seen_libobjs = 1;
if (! keys %libsources)
{
&am_line_error ($var, "\@$1" . "LIBOBJS\@ seen but never set in \`configure.in'");
}
local ($iter, $rewrite);
foreach $iter (keys %libsources)
{
if ($iter =~ /\.([cly])$/)
{
&saw_extension ($1);
&saw_extension ('c');
}
if ($iter =~ /\.h$/)
{
&require_file_with_line ($var, $FOREIGN, $iter);
}
elsif ($iter ne 'alloca.c')
{
($rewrite = $iter) =~ s/\.c$/.P/;
$dep_files{'.deps/' . $rewrite} = 1;
&require_file_with_line ($var, $FOREIGN, $iter);
}
}
}
elsif ($lsearch =~ /^\@(LT)?ALLOCA\@$/)
{
push (@dep_list, $lsearch);
&am_line_error ($var,
"\@$1" . "ALLOCA\@ seen but \`AC_FUNC_ALLOCA' not in \`configure.in'")
if ! defined $libsources{'alloca.c'};
$dep_files{'.deps/alloca.P'} = 1;
&require_file_with_line ($var, $FOREIGN, 'alloca.c');
&saw_extension ('c');
}
}
if ($xname ne '' && ! &variable_defined ($xname . '_DEPENDENCIES', $cond))
{
&define_pretty_variable ($xname . '_DEPENDENCIES', $cond, @dep_list);
}
return $seen_libobjs;
}
# Canonicalize a name, and check to make sure the non-canonical name
# is never used. Returns canonical name. Arguments are name and a
# list of suffixes to check for.
sub check_canonical_spelling
{
local ($name, @suffixes) = @_;
local ($xname, $xt);
($xname = $name) =~ tr/A-Za-z0-9_/_/c;
if ($xname ne $name)
{
local ($xt);
foreach $xt (@suffixes)
{
&am_line_error ($name . $xt,
"invalid variable \`" . $name . $xt
. "'; should be \`" . $xname . $xt . "'")
if &variable_defined ($name . $xt);
}
}
return $xname;
}
# Handle C programs.
sub handle_programs
{
local (@proglist) = &am_install_var ('-clean',
'progs', 'PROGRAMS',
'bin', 'sbin', 'libexec', 'pkglib',
'noinst', 'check');
return if ! @proglist;
# If a program is installed, this is required. We only want this
# error to appear once.
&am_conf_error ("AC_ARG_PROGRAM must be used in configure.in")
unless $seen_arg_prog;
$seen_arg_prog = 1;
local ($one_file, $xname, $munge);
local ($seen_libobjs) = 0;
foreach $one_file (@proglist)
{
local ($obj) = &get_object_extension ($one_file);
# Canonicalize names and check for misspellings.
$xname = &check_canonical_spelling ($one_file, '_LDADD', '_LDFLAGS',
'_SOURCES', '_OBJECTS',
'_DEPENDENCIES');
# FIXME: Using a trick to figure out if any lex sources appear
# in our program; should use some cleaner method.
local ($lex_num) = scalar (keys %lex_sources);
local ($linker) = &handle_source_transform ($xname, $one_file, $obj);
local ($lex_file_seen) = (scalar (keys %lex_sources) > $lex_num);
local ($xt) = '';
if (&variable_defined ($xname . "_LDADD"))
{
if (&handle_lib_objects ($xname, $xname . '_LDADD',
$lex_file_seen))
{
$seen_libobjs = 1;
}
$lex_file_seen = 0;
$xt = '_LDADD';
}
else
{
# User didn't define prog_LDADD override. So do it.
&define_variable ($xname . '_LDADD', '$(LDADD)');
# This does a bit too much work. But we need it to
# generate _DEPENDENCIES when appropriate.
if (&variable_defined ('LDADD'))
{
if (&handle_lib_objects ($xname, 'LDADD', $lex_file_seen))
{
$seen_libobjs = 1;
}
$lex_file_seen = 0;
}
elsif (! &variable_defined ($xname . '_DEPENDENCIES'))
{
&define_variable ($xname . '_DEPENDENCIES', '');
}
$xt = '_SOURCES'
}
if (&variable_defined ($xname . '_LIBADD'))
{
&am_line_error ($xname . '_LIBADD',
"use \`" . $xname . "_LDADD', not \`"
. $xname . "_LIBADD'");
}
if (! &variable_defined ($xname . '_LDFLAGS'))
{
# Define the prog_LDFLAGS variable.
&define_variable ($xname . '_LDFLAGS', '');
}
# Determine program to use for link.
local ($xlink);
if (&variable_defined ($xname . '_LINK'))
{
$xlink = $xname . '_LINK';
}
else
{
$xlink = $linker ? $linker : 'LINK';
}
local ($xexe);
if ($seen_exeext && $one_file !~ /\./)
{
$xexe = 's/\@EXEEXT\@/\$(EXEEXT)/g;';
}
else
{
$xexe = 's/\@EXEEXT\@//g;';
}
$output_rules .=
&file_contents_with_transform
('s/\@PROGRAM\@/' . $one_file . '/go;'
. 's/\@XPROGRAM\@/' . $xname . '/go;'
. 's/\@XLINK\@/' . $xlink . '/go;'
. $xexe,
'program');
}
if (&variable_defined ('LDADD') && &handle_lib_objects ('', 'LDADD', 0))
{
$seen_libobjs = 1;
}
if ($seen_libobjs)
{
foreach $one_file (@proglist)
{
# Canonicalize names.
($xname = $one_file) =~ tr/A-Za-z0-9_/_/c;
if (&variable_defined ($xname . '_LDADD'))
{
&check_libobjs_sources ($xname, $xname . '_LDADD');
}
elsif (&variable_defined ('LDADD'))
{
&check_libobjs_sources ($xname, 'LDADD');
}
}
}
}
# Handle libraries.
sub handle_libraries
{
local (@liblist) = &am_install_var ('-clean',
'libs', 'LIBRARIES',
'lib', 'pkglib', 'noinst', 'check');
return if ! @liblist;
local (%valid) = &am_primary_prefixes ('LIBRARIES', 0, 'lib', 'pkglib',
'noinst', 'check');
if (! defined $configure_vars{'RANLIB'})
{
local ($key);
foreach $key (keys %valid)
{
if (&variable_defined ($key . '_LIBRARIES'))
{
&am_line_error ($key . '_LIBRARIES', "library used but \`RANLIB' not defined in \`configure.in'");
# Only get this error once. If this is ever printed,
# we have a bug.
$configure_vars{'RANLIB'} = 'BUG';
last;
}
}
}
local ($onelib);
local ($munge);
local ($xlib);
local ($seen_libobjs) = 0;
foreach $onelib (@liblist)
{
# Check that the library fits the standard naming convention.
if ($onelib !~ /^lib.*\.a$/)
{
# FIXME should put line number here. That means mapping
# from library name back to variable name.
&am_error ("\`$onelib' is not a standard library name");
}
local ($obj) = &get_object_extension ($onelib);
# Canonicalize names and check for misspellings.
$xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_SOURCES',
'_OBJECTS', '_DEPENDENCIES');
if (&variable_defined ($xlib . '_LIBADD'))
{
if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
{
$seen_libobjs = 1;
}
}
else
{
# Generate support for conditional object inclusion in
# libraries.
&define_variable ($xlib . "_LIBADD", '');
}
if (&variable_defined ($xlib . '_LDADD'))
{
&am_line_error ($xlib . '_LDADD',
"use \`" . $xlib . "_LIBADD', not \`"
. $xlib . "_LDADD'");
}
# Make sure we at look at this.
&examine_variable ($xlib . '_DEPENDENCIES');
&handle_source_transform ($xlib, $onelib, $obj);
$output_rules .=
&file_contents_with_transform ('s/\@LIBRARY\@/' . $onelib . '/go;'
. 's/\@XLIBRARY\@/'
. $xlib . '/go;',
'library');
}
if ($seen_libobjs)
{
foreach $onelib (@liblist)
{
# Canonicalize names.
($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
if (&variable_defined ($xlib . '_LIBADD'))
{
&check_libobjs_sources ($xlib, $xlib . '_LIBADD');
}
}
}
&define_variable ('AR', 'ar');
&define_configure_variable ('RANLIB');
}
# Handle shared libraries.
sub handle_ltlibraries
{
local (@liblist) = &am_install_var ('-clean',
'ltlib', 'LTLIBRARIES',
'noinst', 'lib', 'pkglib');
return if ! @liblist;
local (%instdirs);
local (%valid) = &am_primary_prefixes ('LTLIBRARIES', 0, 'lib', 'pkglib',
'noinst');
local ($key);
foreach $key (keys %valid)
{
if (&variable_defined ($key . '_LTLIBRARIES'))
{
if (!$seen_libtool)
{
&am_line_error ($key . '_LTLIBRARIES', "library used but \`LIBTOOL' not defined in \`configure.in'");
# Only get this error once. If this is ever printed,
# we have a bug.
$configure_vars{'LIBTOOL'} = 'BUG';
$seen_libtool = 1;
}
# Get the installation directory of each library.
for (&variable_value_as_list ($key . '_LTLIBRARIES', 'all'))
{
if ($instdirs{$_})
{
&am_error ("\`$_' is already going to be installed in \`$instdirs{$_}'");
}
else
{
$instdirs{$_} = $key;
}
}
}
}
local ($onelib);
local ($munge);
local ($xlib);
local ($seen_libobjs) = 0;
foreach $onelib (@liblist)
{
local ($obj) = &get_object_extension ($onelib);
# Canonicalize names and check for misspellings.
$xlib = &check_canonical_spelling ($onelib, '_LIBADD', '_LDFLAGS',
'_SOURCES', '_OBJECTS',
'_DEPENDENCIES');
if (! &variable_defined ($xlib . '_LDFLAGS'))
{
# Define the lib_LDFLAGS variable.
&define_variable ($xlib . '_LDFLAGS', '');
}
# Check that the library fits the standard naming convention.
$libname_rx = "^lib.*\.la";
if (&variable_value ($xlib . '_LDFLAGS') =~ /-module/)
{
# Relax name checking for libtool modules.
$libname_rx = "\.la";
}
if ($onelib !~ /$libname_rx$/)
{
# FIXME this should only be a warning for foreign packages
# FIXME should put line number here. That means mapping
# from library name back to variable name.
&am_error ("\`$onelib' is not a standard libtool library name");
}
if (&variable_defined ($xlib . '_LIBADD'))
{
if (&handle_lib_objects ($xlib, $xlib . '_LIBADD', 0))
{
$seen_libobjs = 1;
}
}
else
{
# Generate support for conditional object inclusion in
# libraries.
&define_variable ($xlib . "_LIBADD", '');
}
if (&variable_defined ($xlib . '_LDADD'))
{
&am_line_error ($xlib . '_LDADD',
"use \`" . $xlib . "_LIBADD', not \`"
. $xlib . "_LDADD'");
}
# Make sure we at look at this.
&examine_variable ($xlib . '_DEPENDENCIES');
local ($linker) = &handle_source_transform ($xlib, $onelib, $obj);
# Determine program to use for link.
local ($xlink);
if (&variable_defined ($xlib . '_LINK'))
{
$xlink = $xlib . '_LINK';
}
else
{
$xlink = $linker ? $linker : 'LINK';
}
local ($rpath);
if ($instdirs{$onelib} eq 'EXTRA' || $instdirs{$onelib} eq 'noinst')
{
# It's an EXTRA_ library, so we can't specify -rpath,
# because we don't know where the library will end up.
# The user probably knows, but generally speaking automake
# doesn't -- and in fact configure could decide
# dynamically between two different locations.
$rpath = 's/\@RPATH\@//go;';
}
else
{
$rpath = ('s/\@RPATH\@/-rpath \$(' . $instdirs{$onelib}
. 'dir)/go;');
}
$output_rules .=
&file_contents_with_transform ('s/\@LTLIBRARY\@/'
. $onelib . '/go;'
. 's/\@XLTLIBRARY\@/'
. $xlib . '/go;'
. $rpath
. 's/\@XLINK\@/' . $xlink . '/go;',
'ltlibrary');
}
if ($seen_libobjs)
{
foreach $onelib (@liblist)
{
# Canonicalize names.
($xlib = $onelib) =~ tr/A-Za-z0-9_/_/c;
if (&variable_defined ($xlib . '_LIBADD'))
{
&check_libobjs_sources ($xlib, $xlib . '_LIBADD');
}
}
}
}
# See if any _SOURCES variable were misspelled. Also, make sure that
# EXTRA_ variables don't contain configure substitutions.
sub check_typos
{
local ($varname, $primary);
foreach $varname (keys %contents)
{
foreach $primary ('_SOURCES', '_LIBADD', '_LDADD', '_LDFLAGS',
'_DEPENDENCIES')
{
if ($varname =~ /$primary$/ && ! $content_seen{$varname})
{
&am_line_error ($varname,
"invalid unused variable name: \`$varname'");
}
}
}
}
# Handle scripts.
sub handle_scripts
{
# NOTE we no longer automatically clean SCRIPTS, because it is
# useful to sometimes distribute scripts verbatim. This happens
# eg in Automake itself.
&am_install_var ('-candist', 'scripts', 'SCRIPTS',
'bin', 'sbin', 'libexec', 'pkgdata',
'noinst', 'check');
local ($scripts_installed) = 0;
# Set $scripts_installed if appropriate. Make sure we only find
# scripts which are actually installed -- this is why we can't
# simply use the return value of am_install_var.
local (%valid) = &am_primary_prefixes ('SCRIPTS', 1, 'bin', 'sbin',
'libexec', 'pkgdata',
'noinst', 'check');
local ($key);
foreach $key (keys %valid)
{
if ($key ne 'noinst'
&& $key ne 'check'
&& &variable_defined ($key . '_SCRIPTS'))
{
$scripts_installed = 1;
# push (@check_tests, 'check-' . $key . 'SCRIPTS');
}
}
if ($scripts_installed)
{
# If a program is installed, this is required. We only want this
# error to appear once.
&am_conf_error ("AC_ARG_PROGRAM must be used in configure.in")
unless $seen_arg_prog;
$seen_arg_prog = 1;
}
}
# Search a file for a "version.texi" Texinfo include. Return the name
# of the include file if found, or the empty string if not. A
# "version.texi" file is actually any file whose name matches
# "vers*.texi".
sub scan_texinfo_file
{
local ($filename) = @_;
if (! open (TEXI, $filename))
{
&am_error ("couldn't open \`$filename': $!");
return '';
}
print "automake: reading $filename\n" if $verbose;
local ($vfile, $outfile);
while (<TEXI>)
{
if (/^\@setfilename +(\S+)/)
{
$outfile = $1;
last if ($vfile);
}
if (/^\@include\s+(vers[^.]*\.texi)\s*$/)
{
# Found version.texi include.
$vfile = $1;
last if $outfile;
}
}
close (TEXI);
return ($outfile, $vfile);
}
# Handle all Texinfo source.
sub handle_texinfo
{
&am_line_error ('TEXINFOS',
"\`TEXINFOS' is an anachronism; use \`info_TEXINFOS'")
if &variable_defined ('TEXINFOS');
return if (! &variable_defined ('info_TEXINFOS')
&& ! &variable_defined ('html_TEXINFOS'));
if (&variable_defined ('html_TEXINFOS'))
{
&am_line_error ('html_TEXINFOS',
"HTML generation not yet supported");
return;
}
local (@texis) = &variable_value_as_list ('info_TEXINFOS', 'all');
local (@info_deps_list, @dvis_list, @texi_deps);
local ($infobase, $info_cursor);
local (%versions);
local ($done) = 0;
local ($vti);
local ($tc_cursor, @texi_cleans);
local ($canonical);
foreach $info_cursor (@texis)
{
# FIXME: This is mildly hacky, since it recognizes "txinfo".
# I don't feel like making it right.
($infobase = $info_cursor) =~ s/\.te?xi(nfo)?$//;
# If 'version.texi' is referenced by input file, then include
# automatic versioning capability.
local ($out_file, $vtexi) = &scan_texinfo_file ($relative_dir
. "/" . $info_cursor);
if ($out_file eq '')
{
&am_error ("\`$info_cursor' missing \@setfilename");
next;
}
if ($out_file =~ /\.(.+)$/ && $1 ne 'info')
{
# FIXME should report line number in input file.
&am_error ("output of \`$info_cursor', \`$out_file', has unrecognized extension");
next;
}
if ($vtexi)
{
&am_error ("\`$vtexi', included in \`$info_cursor', also included in \`$versions{$vtexi}'")
if (defined $versions{$vtexi});
$versions{$vtexi} = $info_cursor;
# We number the stamp-vti files. This is doable since the
# actual names don't matter much. We only number starting
# with the second one, so that the common case looks nice.
$vti = 'vti' . ($done ? $done : '');
&push_dist_common ($vtexi, 'stamp-' . $vti);
push (@clean, $vti);
# Only require once.
&require_conf_file_with_line ('info_TEXINFOS', $FOREIGN,
'mdate-sh')
if ! $done;
++$done;
local ($conf_pat, $conf_dir);
if ($config_aux_dir eq '.' || $config_aux_dir eq '')
{
$conf_dir = '$(srcdir)/';
}
else
{
$conf_dir = $config_aux_dir;
$conf_dir .= '/' unless $conf_dir =~ /\/$/;
}
($conf_pat = $conf_dir) =~ s/(\W)/\\$1/g;
$output_rules .=
&file_contents_with_transform
('s/\@TEXI\@/' . $info_cursor . '/g; '
. 's/\@VTI\@/' . $vti . '/g; '
. 's/\@VTEXI\@/' . $vtexi . '/g;'
. 's,\@MDDIR\@,' . $conf_pat . ',g;',
'texi-vers');
&push_phony_cleaners ($vti);
}
# If user specified file_TEXINFOS, then use that as explicit
# dependency list.
@texi_deps = ();
push (@texi_deps, $info_cursor);
push (@texi_deps, $vtexi) if $vtexi;
# Canonicalize name first.
($canonical = $infobase) =~ tr/A-Za-z0-9_/_/c;
if (&variable_defined ($canonical . "_TEXINFOS"))
{
push (@texi_deps, '$(' . $canonical . '_TEXINFOS)');
&push_dist_common ('$(' . $canonical . '_TEXINFOS)');
}
$output_rules .= ("\n" . $out_file . ": "
. join (' ', @texi_deps)
. "\n" . $infobase . ".dvi: "
. join (' ', @texi_deps)
. "\n\n");
push (@info_deps_list, $out_file);
push (@dvis_list, $infobase . '.dvi');
# Generate list of things to clean for this target. We do
# this explicitly because otherwise too many things could be
# removed. In particular the ".log" extension might
# reasonably be used in other contexts by the user.
foreach $tc_cursor ('aux', 'cp', 'cps', 'dvi', 'fn', 'fns', 'pgs',
'ky', 'kys', 'ps', 'log', 'pg', 'toc', 'tp', 'tps',
'vr', 'vrs', 'op', 'tr', 'cv', 'cn')
{
push (@texi_cleans, $infobase . '.' . $tc_cursor);
}
}
# Find these programs wherever they may lie. Yes, this has
# intimate knowledge of the structure of the texinfo distribution.
&define_program_variable ('MAKEINFO', 'build', 'texinfo/makeinfo',
'makeinfo',
# Circumlocution to avoid accidental
# configure substitution.
'@MAKE' . 'INFO@');
&define_program_variable ('TEXI2DVI', 'src', 'texinfo/util',
'texi2dvi');
# Set transform for including texinfos.am. First, handle --cygnus
# stuff.
local ($xform);
if ($cygnus_mode)
{
$xform = 's/^NOTCYGNUS.*$//; s/^CYGNUS//;';
}
else
{
$xform = 's/^CYGNUS.*$//; s/^NOTCYGNUS//;';
}
# Handle location of texinfo.tex.
local ($need_texi_file) = 0;
local ($texinfo_tex);
if ($cygnus_mode)
{
$texinfo_tex = '$(top_srcdir)/../texinfo/texinfo.tex';
&define_variable ('TEXINFO_TEX', $texinfo_tex);
}
elsif ($config_aux_dir ne '.' && $config_aux_dir ne '')
{
$texinfo_tex = $config_aux_dir . '/texinfo.tex';
&define_variable ('TEXINFO_TEX', $texinfo_tex);
}
elsif (&variable_defined ('TEXINFO_TEX'))
{
# The user defined TEXINFO_TEX so assume he knows what he is
# doing.
$texinfo_tex = ('$(srcdir)/'
. &dirname (&variable_value ('TEXINFO_TEX')));
}
else
{
$texinfo_tex = '.';
$need_texi_file = 1;
}
local ($xxform);
($xxform = $texinfo_tex) =~ s/\/texinfo\.tex$//;
$xxform =~ s/(\W)/\\$1/g;
$xform .= ' s/\@TEXINFODIR\@/' . $xxform . '/g;';
$output_rules .= &file_contents_with_transform ($xform, 'texinfos');
push (@phony, 'install-info-am', 'uninstall-info');
push (@dist_targets, 'dist-info');
# How to clean. The funny name is due to --cygnus influence; in
# Cygnus mode, `clean-info' is a target that users can use.
$output_rules .= "\nmostlyclean-aminfo:\n";
&pretty_print_rule ("\t-rm -f", "\t ", @texi_cleans);
$output_rules .= ("\nclean-aminfo:\n\ndistclean-aminfo:\n\n"
. "maintainer-clean-aminfo:\n\t"
# Eww. But how else can we find all the output
# files from makeinfo?
. ($cygnus_mode ? '' : 'cd $(srcdir) && ')
. 'for i in $(INFO_DEPS); do' . " \\\n"
. "\t" . ' rm -f $$i;' . " \\\n"
. "\t" . ' if test "`echo $$i-[0-9]*`" != "$$i-[0-9]*"; then' . " \\\n"
. "\t" . ' rm -f $$i-[0-9]*;' . " \\\n"
. "\t" . ' fi;' . " \\\n"
. "\tdone\n");
&push_phony_cleaners ('aminfo');
if ($cygnus_mode)
{
$output_rules .= "clean-info: mostlyclean-aminfo\n";
}
push (@suffixes, '.texi', '.texinfo', '.txi', '.info', '.dvi', '.ps');
if (! defined $options{'no-installinfo'})
{
push (@uninstall, 'uninstall-info');
push (@installdirs, '$(DESTDIR)$(infodir)');
unshift (@install_data, 'install-info-am');
# Make sure documentation is made and installed first. Use
# $(INFO_DEPS), not 'info', because otherwise recursive makes
# get run twice during "make all".
unshift (@all, '$(INFO_DEPS)');
}
push (@clean, 'aminfo');
push (@info, '$(INFO_DEPS)');
push (@dvi, '$(DVIS)');
&define_variable ("INFO_DEPS", join (' ', @info_deps_list));
&define_variable ("DVIS", join (' ', @dvis_list));
# This next isn't strictly needed now -- the places that look here
# could easily be changed to look in info_TEXINFOS. But this is
# probably better, in case noinst_TEXINFOS is ever supported.
&define_variable ("TEXINFOS", &variable_value ('info_TEXINFOS'));
# Do some error checking. Note that this file is not required
# when in Cygnus mode; instead we defined TEXINFO_TEX explicitly
# up above.
&require_file_with_line ('info_TEXINFOS', $FOREIGN, 'texinfo.tex')
if $need_texi_file && ! defined $options{'no-texinfo.tex'};
}
# Handle any man pages.
sub handle_man_pages
{
&am_line_error ('MANS', "\`MANS' is an anachronism; use \`man_MANS'")
if &variable_defined ('MANS');
return if ! &variable_defined ('man_MANS');
# Find all the sections in use. We do this by first looking for
# "standard" sections, and then looking for any additional
# sections used in man_MANS.
local ($sect, %sections, %vlist);
# Add more sections as needed.
foreach $sect ('0'..'9', 'n', 'l')
{
if (&variable_defined ('man' . $sect . '_MANS'))
{
$sections{$sect} = 1;
$vlist{'$(man' . $sect . '_MANS)'} = 1;
}
}
if (&variable_defined ('man_MANS'))
{
$vlist{'$(man_MANS)'} = 1;
foreach (&variable_value_as_list ('man_MANS', 'all'))
{
# A page like `foo.1c' goes into man1dir.
if (/\.([0-9a-z])([a-z]*)$/)
{
$sections{$1} = 1;
}
}
}
# Now for each section, generate an install and unintall rule.
# Sort sections so output is deterministic.
local (@namelist);
foreach $sect (sort keys %sections)
{
&define_variable ('man' . $sect . 'dir', '$(mandir)/man' . $sect);
push (@installdirs, '$(DESTDIR)$(mandir)/man' . $sect)
unless defined $options{'no-installman'};
$output_rules .= &file_contents_with_transform ('s/\@SECTION\@/'
. $sect . '/g;',
'mans');
push (@phony, 'install-man' . $sect, 'uninstall-man' . $sect);
push (@namelist, 'install-man' . $sect);
}
# We don't really need this, but we use it in case we ever want to
# support noinst_MANS.
&define_variable ("MANS", join (' ', sort keys %vlist));
# Generate list of install dirs.
$output_rules .= ("install-man: \$(MANS)\n"
. "\t\@\$(NORMAL_INSTALL)\n");
&pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
push (@phony, 'install-man');
$output_rules .= "uninstall-man:\n\t\@\$(NORMAL_UNINSTALL)\n";
grep ($_ = 'un' . $_, @namelist);
&pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ", @namelist);
push (@phony, 'uninstall-man');
$output_vars .= &file_contents ('mans-vars');
if (! defined $options{'no-installman'})
{
push (@install_data, 'install-man');
push (@uninstall, 'uninstall-man');
push (@all, '$(MANS)');
}
}
# Handle DATA variables.
sub handle_data
{
&am_install_var ('-noextra', '-defaultdist', 'data', 'DATA',
'data', 'sysconf', 'sharedstate', 'localstate',
'pkgdata', 'noinst', 'check');
}
# Handle TAGS.
sub handle_tags
{
push (@phony, 'tags');
local (@tag_deps) = ();
if (&variable_defined ('SUBDIRS'))
{
$output_rules .= ("tags-recursive:\n"
. "\tlist=\'\$(SUBDIRS)\'; for subdir in \$\$list; do \\\n"
# Never fail here if a subdir fails; it
# isn't important.
. "\t test \"\$\$subdir\" = . || (cd \$\$subdir"
. " && \$(MAKE) \$(AM_MAKEFLAGS) tags); \\\n"
. "\tdone\n");
push (@tag_deps, 'tags-recursive');
push (@phony, 'tags-recursive');
}
if (&saw_sources_p (1)
|| &variable_defined ('ETAGS_ARGS')
|| @tag_deps)
{
local ($xform) = '';
local ($one_hdr);
foreach $one_hdr (@config_headers)
{
if ($relative_dir eq &dirname ($one_hdr))
{
# The config header is in this directory. So require it.
local ($var);
($var = &basename ($one_hdr)) =~ s/(\W)/\\$1/g;
$xform .= ' ' if $xform;
$xform .= $var;
}
}
$xform = ('s/\@CONFIG\@/' . $xform . '/;'
. 's/\@DIRS\@/' . join (' ', @tag_deps) . '/;');
if (&variable_defined ('SUBDIRS'))
{
$xform .= 's/^SUBDIRS//;';
}
else
{
$xform .= 's/^SUBDIRS.*$//;';
}
$output_rules .= &file_contents_with_transform ($xform, 'tags');
$output_rules .= &file_contents ('tags-clean');
push (@clean, 'tags');
&push_phony_cleaners ('tags');
&examine_variable ('TAGS_DEPENDENCIES');
}
elsif (&variable_defined ('TAGS_DEPENDENCIES'))
{
&am_line_error ('TAGS_DEPENDENCIES',
"doesn't make sense to define \`TAGS_DEPENDENCIES' without sources or \`ETAGS_ARGS'");
}
else
{
# Every Makefile must define some sort of TAGS rule.
# Otherwise, it would be possible for a top-level "make TAGS"
# to fail because some subdirectory failed.
$output_rules .= "tags: TAGS\nTAGS:\n\n";
}
}
# Handle multilib support.
sub handle_multilib
{
return unless $seen_multilib;
$output_rules .= &file_contents ('multilib.am');
&push_phony_cleaners ('multi');
push (@phony, 'all-multi', 'install-multi');
}
# Worker for handle_dist.
sub handle_dist_worker
{
local ($makefile) = @_;
$output_rules .= 'distdir: $(DISTFILES)' . "\n";
# Initialization; only at top level.
if ($relative_dir eq '.')
{
if (defined $options{'check-news'})
{
# For Gnits users, this is pretty handy. Look at 15 lines
# in case some explanatory text is desirable.
$output_rules .= ' @if sed 15q $(srcdir)/NEWS | fgrep -e "$(VERSION)" > /dev/null; then :; else \\
echo "NEWS not updated; not releasing" 1>&2; \\
exit 1; \\
fi
';
}
# Create dist directory.
$output_rules .= ("\t-rm -rf \$(distdir)\n"
. "\tmkdir \$(distdir)\n"
. "\t-chmod 777 \$(distdir)\n");
}
# Only run automake in `dist' target if --include-deps and
# `no-dependencies' not specified. That way the recipient of a
# distribution can run "make dist" and not need Automake. You
# might be wondering why we run automake once for each directory
# we distribute, instead of running it once at the top level. The
# answer is that we want to run automake after the dependencies
# have been generated. This occurs when "make" is run in the
# subdir. So automake must be run after make has updated the
# Makefile, which means that it must run once per directory.
if ($use_dependencies)
{
$output_rules .=
(
# There are several directories we need to know about
# when rebuilding the Makefile.ins. They are:
# here - The absolute path to our topmost build directory.
# top_distdir - The absolute path to the top of our dist
# hierarchy.
# distdir - The path to our sub-part of the dist hierarchy.
# If this directory is the topmost directory, we set
# top_distdir from distdir; that lets us pass in distdir
# from an enclosing package.
"\t" . 'here=`cd $(top_builddir) && pwd`; ' . "\\\n"
. "\t" . 'top_distdir=`cd $('
. (($relative_dir eq '.') ? 'distdir' : 'top_distdir')
. ') && pwd`; ' . "\\\n"
. "\t" . 'distdir=`cd $(distdir) && pwd`; ' . "\\\n"
. "\tcd \$(top_srcdir) \\\n"
. "\t && \$(AUTOMAKE) --include-deps --build-dir=\$\$here --srcdir-name=\$(top_srcdir) --output-dir=\$\$top_distdir "
# Set strictness of output.
. ($cygnus_mode ? '--cygnus' : ('--' . $strictness_name))
. ($cmdline_use_dependencies ? '' : ' --include-deps')
. " " . $makefile . "\n"
);
}
# Scan EXTRA_DIST to see if we need to distribute anything from a
# subdir. If so, add it to the list. I didn't want to do this
# originally, but there were so many requests that I finally
# relented.
local (@dist_dirs);
if (&variable_defined ('EXTRA_DIST'))
{
# FIXME: This should be fixed to work with conditionals. That
# will require only making the entries in @dist_dirs under the
# appropriate condition. This is meaningful if the nature of
# the distribution should depend upon the configure options
# used.
foreach (&variable_value_as_list ('EXTRA_DIST', ''))
{
next if /^\@.*\@$/;
next unless s,/+[^/]+$,,;
push (@dist_dirs, $_)
unless $_ eq '.';
}
}
if (@dist_dirs)
{
# Prepend $(distdir) to each directory given. Doing it via a
# hash lets us ensure that each directory is used only once.
local (%dhash);
grep ($dhash{'$(distdir)/' . $_} = 1, @dist_dirs);
$output_rules .= "\t";
&pretty_print_rule ('$(mkinstalldirs)', "\t ", sort keys %dhash);
}
# In loop, test for file existence because sometimes a file gets
# included in DISTFILES twice. For example this happens when a
# single source file is used in building more than one program.
# Also, there are situations in which "ln" can fail. For instance
# a file to distribute could actually be a cross-filesystem
# symlink -- this can easily happen if "gettextize" was run on the
# distribution.
$output_rules .= "\t\@for file in \$(DISTFILES); do \\\n";
if ($cygnus_mode)
{
$output_rules .= "\t if test -f \$\$file; then d=.; else d=\$(srcdir); fi; \\\n";
}
else
{
$output_rules .= "\t d=\$(srcdir); \\\n";
}
$output_rules .= ("\t if test -d \$\$d/\$\$file; then \\\n"
. "\t cp -pr \$\$d/\$\$file \$(distdir)/\$\$file; \\\n"
. "\t else \\\n"
. "\t test -f \$(distdir)/\$\$file \\\n"
. "\t || ln \$\$d/\$\$file \$(distdir)/\$\$file 2> /dev/null \\\n"
. "\t || cp -p \$\$d/\$\$file \$(distdir)/\$\$file || :; \\\n"
. "\t fi; \\\n"
. "\tdone\n");
# If we have SUBDIRS, create all dist subdirectories and do
# recursive build.
if (&variable_defined ('SUBDIRS'))
{
# If SUBDIRS is conditionally defined, then set DIST_SUBDIRS
# to all possible directories, and use it. If DIST_SUBDIRS is
# defined, just use it.
local ($dist_subdir_name);
if (&variable_conditions ('SUBDIRS')
|| &variable_defined ('DIST_SUBDIRS'))
{
$dist_subdir_name = 'DIST_SUBDIRS';
if (! &variable_defined ('DIST_SUBDIRS'))
{
&define_pretty_variable ('DIST_SUBDIRS', '',
&variable_value_as_list ('SUBDIRS',
'all'));
}
}
else
{
$dist_subdir_name = 'SUBDIRS';
}
# Test for directory existence here because previous automake
# invocation might have created some directories. Note that
# we explicitly set distdir for the subdir make; that lets us
# mix-n-match many automake-using packages into one large
# package, and have "dist" at the top level do the right
# thing. If we're in the topmost directory, then we use
# `distdir' instead of `top_distdir'; this lets us work
# correctly with an enclosing package.
$output_rules .=
("\t" . 'for subdir in $(' . $dist_subdir_name . '); do ' . "\\\n"
. "\t" . ' if test "$$subdir" = .; then :; else ' . "\\\n"
. "\t" . ' test -d $(distdir)/$$subdir ' . "\\\n"
. "\t" . ' || mkdir $(distdir)/$$subdir ' . "\\\n"
. "\t" . ' || exit 1; ' . "\\\n"
. "\t" . ' chmod 777 $(distdir)/$$subdir; ' . "\\\n"
. "\t" . ' (cd $$subdir'
. ' && $(MAKE) $(AM_MAKEFLAGS) top_distdir=../$('
. (($relative_dir eq '.') ? 'distdir' : 'top_distdir')
. ') distdir=../$(distdir)/$$subdir distdir) ' . "\\\n"
. "\t" . ' || exit 1; ' . "\\\n"
. "\t" . ' fi; ' . "\\\n"
. "\tdone\n");
}
# If the target `dist-hook' exists, make sure it is run. This
# allows users to do random weird things to the distribution
# before it is packaged up.
push (@dist_targets, 'dist-hook') if &target_defined ('dist-hook');
local ($targ);
foreach $targ (@dist_targets)
{
# We must explicitly set distdir and top_distdir for these
# sub-makes.
$output_rules .= ("\t\$(MAKE) \$(AM_MAKEFLAGS)"
. " top_distdir=\"\$(top_distdir)\""
. " distdir=\"\$(distdir)\" $targ\n");
}
push (@phony, 'distdir');
}
# Handle 'dist' target.
sub handle_dist
{
local ($makefile) = @_;
# Set up maint_charset.
$local_maint_charset = &variable_value ('MAINT_CHARSET')
if &variable_defined ('MAINT_CHARSET');
$maint_charset = $local_maint_charset
if $relative_dir eq '.';
if (&variable_defined ('DIST_CHARSET'))
{
&am_line_error ('DIST_CHARSET',
"DIST_CHARSET defined but no MAINT_CHARSET defined")
if ! $local_maint_charset;
if ($relative_dir eq '.')
{
$dist_charset = &variable_value ('DIST_CHARSET')
}
else
{
&am_line_error ('DIST_CHARSET',
"DIST_CHARSET can only be defined at top level");
}
}
# Look for common files that should be included in distribution.
local ($cfile);
foreach $cfile (@common_files)
{
if (-f ($relative_dir . "/" . $cfile))
{
&push_dist_common ($cfile);
}
}
# Always require configure.in and configure at top level, even if
# they don't exist. This is especially important for configure,
# since it won't be created until autoconf is run -- which might
# be after automake is run.
&push_dist_common ('configure.in', 'configure')
if $relative_dir eq '.';
# Keys of %dist_common are names of files to distributed. We put
# README first because it then becomes easier to make a
# Usenet-compliant shar file (in these, README must be first).
# FIXME: do more ordering of files here.
local (@coms);
if (defined $dist_common{'README'})
{
push (@coms, 'README');
delete $dist_common{'README'};
}
push (@coms, sort keys %dist_common);
&define_pretty_variable ("DIST_COMMON", '', @coms);
$output_vars .= "\n";
# Some boilerplate.
$output_vars .= &file_contents ('dist-vars') . "\n";
&define_variable ('GZIP_ENV', '--best');
# Put these things in rules section so it is easier for whoever
# reads Makefile.in.
if (! &variable_defined ('distdir'))
{
if ($relative_dir eq '.')
{
$output_rules .= "\n" . 'distdir = $(PACKAGE)-$(VERSION)' . "\n";
}
else
{
$output_rules .= ("\n"
. 'distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)'
. "\n");
}
}
if ($relative_dir eq '.')
{
$output_rules .= "top_distdir = \$(distdir)\n\n";
}
else
{
$output_rules .= "\nsubdir = " . $relative_dir . "\n\n";
}
# Generate 'dist' target, and maybe other dist targets.
if ($relative_dir eq '.')
{
# Rule to check whether a distribution is viable.
$output_rules .= ('# This target untars the dist file and tries a VPATH configuration. Then
# it guarantees that the distribution is self-contained by making another
# tarfile.
distcheck: dist
-rm -rf $(distdir)
GZIP=$(GZIP_ENV) gunzip -c $(distdir).tar.gz | $(TAR) xf -
mkdir $(distdir)/=build
mkdir $(distdir)/=inst
dc_install_base=`cd $(distdir)/=inst && pwd`; \\'
. (&target_defined ('distcheck-hook')
? ("\n\t\$(MAKE) \$(AM_MAKEFLAGS)"
. " distcheck-hook; \\")
: '')
. '
cd $(distdir)/=build \\
&& ../configure '
. ($seen_gettext ? '--with-included-gettext ' : '')
. '--srcdir=.. --prefix=$$dc_install_base \\
&& $(MAKE) $(AM_MAKEFLAGS) \\
&& $(MAKE) $(AM_MAKEFLAGS) dvi \\
&& $(MAKE) $(AM_MAKEFLAGS) check \\
&& $(MAKE) $(AM_MAKEFLAGS) install \\
&& $(MAKE) $(AM_MAKEFLAGS) installcheck \\
&& $(MAKE) $(AM_MAKEFLAGS) dist
-rm -rf $(distdir)
@banner="$(distdir).tar.gz is ready for distribution"; \\
dashes=`echo "$$banner" | sed s/./=/g`; \\
echo "$$dashes"; \\
echo "$$banner"; \\
echo "$$dashes"
');
local ($dist_all) = ('dist-all: distdir' . "\n"
. $dist_header);
local ($curs);
foreach $curs ('dist', 'dist-shar', 'dist-zip', 'dist-tarZ',
'dist-bzip2')
{
if (defined $options{$curs} || $curs eq 'dist')
{
$output_rules .= ($curs . ': distdir' . "\n"
. $dist_header
. $dist{$curs}
. $dist_trailer);
$dist_all .= $dist{$curs};
}
}
$output_rules .= $dist_all . $dist_trailer;
}
# Generate distdir target.
&handle_dist_worker ($makefile);
}
# Scan a single dependency file and rewrite the dependencies as
# appropriate. Essentially this means:
# * Clean out absolute dependencies which are not desirable.
# * Rewrite other dependencies to be relative to $(top_srcdir).
sub scan_dependency_file
{
local ($depfile) = @_;
if (! open (DEP_FILE, $depfile))
{
&am_error ("couldn't open \`$depfile': $!");
return;
}
print "automake: reading $depfile\n" if $verbose;
# Sometimes it is necessary to omit some dependencies.
local (%omit) = %omit_dependencies;
if (&variable_defined ('OMIT_DEPENDENCIES'))
{
# FIXME: Doesn't work with conditionals. I'm not sure if this
# matters.
grep ($omit{$_} = 1,
&variable_value_as_list ('OMIT_DEPENDENCIES', ''));
}
local ($first_line) = 1;
local ($last_line) = 0;
local ($target, @dependencies);
local ($one_dep, $xform);
local ($just_file);
local ($srcdir_rx, $fixup_rx);
($fixup_rx = $srcdir_name . '/' . $relative_dir . '/')
=~ s/(\W)/\\$1/g;
($srcdir_rx = $srcdir_name . '/') =~ s/(\W)/\\$1/g;
local ($rewrite_builddir) = (($top_builddir eq '.')
? ''
: $top_builddir . '/');
while (<DEP_FILE>)
{
last if $last_line;
next if (/$WHITE_PATTERN/o);
chop;
if (! s/\\$//)
{
# No trailing "\" means this should be the last line of
# the first target. We can have multiple targets due to
# the "deleted header file" fix. For the generated
# Makefile we simply skip these fake targets.
$last_line = 1;
}
if ($first_line)
{
if (! /^([^:]+:)(.+)$/)
{
bad_format:
&am_error ("\`$depfile' has incorrect format");
close (DEP_FILE);
return;
}
$_ = $2;
# Make sure to strip the .P file from the target.
($target = $1) =~ s, *\.deps/[^.]+\.P,,;
$first_line = 0;
}
foreach $one_dep (split (' ', $_))
{
($just_file = $one_dep) =~ s,^.*/,,;
next if defined $omit{$just_file};
if ($one_dep =~ /^$fixup_rx/)
{
# The dependency points to the current directory in
# some way.
($xform = $one_dep) =~ s/^$fixup_rx//;
push (@dependencies, $xform);
}
elsif ($one_dep =~ /^$srcdir_rx/)
{
# The dependency is in some other directory in the package.
($xform = $one_dep) =~ s/^$srcdir_rx/$rewrite_builddir/;
push (@dependencies, $xform);
}
elsif ($one_dep =~ /^\// || $one_dep =~ /^[A-Za-z]:\\/)
{
# Absolute path; ignore.
}
else
{
# Anything else is assumed to be correct.
push (@dependencies, $one_dep);
}
}
}
&pretty_print_rule ($target, "\t", @dependencies);
close (DEP_FILE);
}
# Handle auto-dependency code.
sub handle_dependencies
{
# Make sure this variable is always marked as used.
&examine_variable ('OMIT_DEPENDENCIES');
if ($use_dependencies)
{
# Include GNU-make-specific auto-dep code. Don't include it
# if DEP_FILES would be empty.
if (&saw_sources_p (0) && keys %dep_files)
{
&define_pretty_variable ('DEP_FILES', '', sort keys %dep_files);
$output_rules .= &file_contents ('depend');
push (@clean, 'depend');
&push_phony_cleaners ('depend');
# FIXME: this should use another property of the language
# instead of being hard-coded.
$output_rules .=
&file_contents_with_transform ('s/\@EXT\@/.c/g;'
. 's/\@PFX\@//g;',
'depend2');
local ($ext);
foreach $ext (&lang_extensions ('objc'))
{
$output_rules .=
&file_contents_with_transform ('s/\@EXT\@/' . $ext . '/g;'
. 's/\@PFX\@/OBJC/g;',
'depend2');
}
foreach $ext (&lang_extensions ('cxx'))
{
$output_rules .=
&file_contents_with_transform ('s/\@EXT\@/' . $ext .'/g;'
. 's/\@PFX\@/CXX/g;',
'depend2');
}
}
}
elsif ($build_directory ne '')
{
# Include any auto-generated deps that are present. Note that
# $build_directory ends in a "/".
if (-d ($build_directory . $relative_dir . "/.deps"))
{
local ($depfile);
foreach $depfile (&my_glob ($build_directory
. $relative_dir . "/.deps/*.P"))
{
&scan_dependency_file ($depfile);
}
$output_rules .= "\n";
}
}
}
# Handle subdirectories.
sub handle_subdirs
{
return if ! &variable_defined ('SUBDIRS');
# Make sure each directory mentioned in SUBDIRS actually exists.
local ($dir);
foreach $dir (&variable_value_as_list ('SUBDIRS', 'all'))
{
# Skip directories substituted by configure.
next if $dir =~ /^\@.*\@$/;
if (! -d $am_relative_dir . '/' . $dir)
{
&am_line_error ('SUBDIRS',
"required directory $am_relative_dir/$dir does not exist");
next;
}
&am_line_error ('SUBDIRS', "directory should not contain \`/'")
if $dir =~ /\//;
}
local ($xform) = ('s/\@INSTALLINFO\@/' .
(defined $options{'no-installinfo'}
? 'install-info-recursive'
: '')
. '/;');
$output_rules .= &file_contents_with_transform ($xform, 'subdirs');
# Push a bunch of phony targets.
local ($phonies);
foreach $phonies ('-data', '-exec', 'dirs')
{
push (@phony, 'install' . $phonies . '-recursive');
push (@phony, 'uninstall' . $phonies . '-recursive');
}
foreach $phonies ('all', 'check', 'installcheck', 'info', 'dvi')
{
push (@phony, $phonies . '-recursive');
}
&push_phony_cleaners ('recursive');
$recursive_install = 1;
}
# Handle aclocal.m4.
sub handle_aclocal_m4
{
local ($regen_aclocal) = 0;
if (-f 'aclocal.m4')
{
&define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4');
&push_dist_common ('aclocal.m4');
if (open (ACLOCAL, '< aclocal.m4'))
{
local ($line);
$line = <ACLOCAL>;
close (ACLOCAL);
if ($line =~ 'generated automatically by aclocal')
{
$regen_aclocal = 1;
}
}
}
local ($acinclude) = 0;
if (-f 'acinclude.m4')
{
$regen_aclocal = 1;
$acinclude = 1;
}
# Note that it might be possible that aclocal.m4 doesn't exist but
# should be auto-generated. This case probably isn't very
# important.
if ($regen_aclocal)
{
local (@ac_deps) = (
($seen_maint_mode
? "\@MAINTAINER_MODE_TRUE\@"
: "") ,
"configure.in",
($acinclude ? ' acinclude.m4' : '')
);
# Scan all -I directories for m4 files. These are our
# dependencies.
if (&variable_defined ('ACLOCAL_AMFLAGS'))
{
local ($examine_next, $amdir) = 0;
foreach $amdir (&variable_value_as_list ('ACLOCAL_AMFLAGS', ''))
{
if ($examine_next)
{
$examine_next = 0;
if ($amdir !~ /^\// && -d $amdir)
{
push (@ac_deps, &my_glob ($amdir . '/*.m4'));
}
}
elsif ($amdir eq '-I')
{
$examine_next = 1;
}
}
}
&pretty_print_rule ("\$(ACLOCAL_M4):", "\t\t", @ac_deps);
$output_rules .= ("\t"
. 'cd $(srcdir) && $(ACLOCAL)'
. (&variable_defined ('ACLOCAL_AMFLAGS')
? ' $(ACLOCAL_AMFLAGS)' : '')
. "\n");
}
}
# Rewrite a list of input files into a form suitable to put on a
# dependency list. The idea is that if an input file has a directory
# part the same as the current directory, then the directory part is
# simply removed. But if the directory part is different, then
# $(top_srcdir) is prepended. Among other things, this is used to
# generate the dependency list for the output files generated by
# AC_OUTPUT. Consider what the dependencies should look like in this
# case:
# AC_OUTPUT(src/out:src/in1:lib/in2)
# The first argument, ADD_SRCDIR, is 1 if $(top_srcdir) should be added.
# If 0 then files that require this addition will simply be ignored.
sub rewrite_inputs_into_dependencies
{
local ($add_srcdir, @inputs) = @_;
local ($single, @newinputs);
foreach $single (@inputs)
{
if (&dirname ($single) eq $relative_dir)
{
push (@newinputs, &basename ($single));
}
elsif ($add_srcdir)
{
push (@newinputs, '$(top_srcdir)/' . $single);
}
}
return @newinputs;
}
# Handle remaking and configure stuff.
# We need the name of the input file, to do proper remaking rules.
sub handle_configure
{
local ($local, $input, @secondary_inputs) = @_;
# If SUBDIRS defined, require AC_PROG_MAKE_SET.
&am_line_error ('SUBDIRS', "AC_PROG_MAKE_SET must be used in configure.in")
if &variable_defined ('SUBDIRS') && ! $seen_make_set;
local ($top_reldir);
local ($input_base) = &basename ($input);
local ($local_base) = &basename ($local);
local ($amfile) = $input_base . '.am';
# We know we can always add '.in' because it really should be an
# error if the .in was missing originally.
local ($infile) = '$(srcdir)/' . $input_base . '.in';
local ($colon_infile);
if ($local ne $input || @secondary_inputs)
{
$colon_infile = ':' . $input . '.in';
}
$colon_infile .= ':' . join (':', @secondary_inputs)
if @secondary_inputs;
local (@rewritten) = &rewrite_inputs_into_dependencies (1,
@secondary_inputs);
# This rule remakes the Makefile.in. Note use of
# @MAINTAINER_MODE_TRUE@ forces us to abandon pretty-printing.
# Sigh.
$output_rules .= ($infile
# NOTE perl 5.003 (with -w) gives a
# uninitialized value error on the next line.
# Don't know why.
. ': '
. ($seen_maint_mode ? "\@MAINTAINER_MODE_TRUE\@ " : '')
. $amfile . ' '
. '$(top_srcdir)/configure.in $(ACLOCAL_M4)'
. ' ' . join (' ', @include_stack)
. "\n"
. "\tcd \$(top_srcdir) && \$(AUTOMAKE) "
. ($cygnus_mode ? '--cygnus' : ('--' . $strictness_name))
. ($cmdline_use_dependencies ? '' : ' --include-deps')
. ' ' . $input . $colon_infile . "\n\n");
# This rule remakes the Makefile.
$output_rules .= ($local_base
# NOTE: bogus uninit value error on next line;
# see comment above.
. ': '
. $infile . ' '
. join (' ', @rewritten)
. ' $(top_builddir)/config.status'
# NOTE: Makefile only depends on BUILT_SOURCES
# when dependencies are being computed. This is
# a workaround for an obscure bug with
# AC_LINK_FILES. Anyway, when dependencies are
# turned off, this shouldn't matter.
. ($use_dependencies ? ' $(BUILT_SOURCES)' : '')
. "\n"
. "\tcd \$(top_builddir) \\\n"
. "\t && CONFIG_FILES="
. (($relative_dir eq '.') ? '$@' : '$(subdir)/$@')
. $colon_infile
. ' CONFIG_HEADERS= $(SHELL) ./config.status'
. "\n\n");
if ($relative_dir ne '.')
{
# In subdirectory.
$top_reldir = '../';
}
else
{
&handle_aclocal_m4;
$output_rules .= &file_contents ('remake');
&examine_variable ('CONFIG_STATUS_DEPENDENCIES');
&examine_variable ('CONFIGURE_DEPENDENCIES');
$top_reldir = '';
}
# Make it easy to see if there is a Makefile.am in a given
# directory.
local (%make_dirs, $iter);
foreach $iter (@input_files)
{
$make_dirs{&dirname ($iter)} = 1;
}
# We also want to notice Makefile.in's.
foreach $iter (@other_input_files)
{
if ($iter =~ /Makefile\.in$/)
{
$make_dirs{&dirname ($iter)} = 1;
}
}
# If we have a configure header, require it.
local ($one_hdr);
local (@local_fullnames) = @config_fullnames;
local (@local_names) = @config_names;
local ($hdr_index) = 0;
local ($distclean_config) = '';
foreach $one_hdr (@config_headers)
{
local ($one_fullname) = shift (@local_fullnames);
local ($one_name) = shift (@local_names);
$hdr_index += 1;
local ($header_dir) = &dirname ($one_name);
# If the header is in the current directory we want to build
# the header here. Otherwise, if we're at the topmost
# directory and the header's directory doesn't have a
# Makefile, then we also want to build the header.
if ($relative_dir eq $header_dir
|| ($relative_dir eq '.' && ! defined $make_dirs{$header_dir}))
{
local ($ch_sans_dir, $cn_sans_dir, $stamp_dir);
if ($relative_dir eq $header_dir)
{
$cn_sans_dir = &basename ($one_name);
$stamp_dir = '';
}
else
{
$cn_sans_dir = $one_name;
if ($header_dir eq '.')
{
$stamp_dir = '';
}
else
{
$stamp_dir = $header_dir . '/';
}
}
# Compute relative path from directory holding output
# header to directory holding input header. FIXME:
# doesn't handle case where we have multiple inputs.
if (&dirname ($one_hdr) eq $relative_dir)
{
$ch_sans_dir = &basename ($one_hdr);
}
else
{
local (@rel_out_path);
# FIXME this chunk of code should be its own sub.
# It is used elsewhere.
foreach (split (/\//, $relative_dir))
{
next if $_ eq '' || $_ eq '.';
if ($_ eq '..')
{
# FIXME: actually this is an error.
pop @rel_out_path;
}
else
{
push (@rel_out_path, '..');
}
}
if (@rel_out_path)
{
$ch_sans_dir = join ('/', @rel_out_path) . '/' . $one_hdr;
}
else
{
$ch_sans_dir = $one_hdr;
}
}
&require_file_with_conf_line ($config_header_line,
$FOREIGN, $ch_sans_dir);
# Header defined and in this directory.
local (@files);
if (-f $relative_dir . '/acconfig.h')
{
push (@files, 'acconfig.h');
}
if (-f $one_name . '.top')
{
push (@files, "${cn_sans_dir}.top");
}
if (-f $one_name . '.bot')
{
push (@files, "${cn_sans_dir}.bot");
}
&push_dist_common (@files);
local ($stamp_name) = 'stamp-h';
$stamp_name .= "${hdr_index}" if scalar (@config_headers) > 1;
local ($xform) = '';
$xform = 's,\@FILES\@,' . join (' ', @files) . ',;';
$xform .= 's,\@CONFIG_HEADER\@,' . "${cn_sans_dir}" . ',;';
$xform .= 's,\@CONFIG_HEADER_IN\@,' . "${ch_sans_dir}" . ',;';
$xform .= 's,\@CONFIG_HEADER_FULL\@,' . "${one_fullname}" . ',;';
$xform .= 's,\@STAMP\@,' . "${stamp_dir}${stamp_name}" . ',;';
$output_rules .= &file_contents_with_transform ($xform,
'remake-hdr');
local ($out_dir) = &dirname ($ch_sans_dir);
&create ("${relative_dir}/${out_dir}/${stamp_name}.in");
&require_file_with_conf_line ($config_header_line, $FOREIGN,
"${out_dir}/${stamp_name}.in");
$distclean_config .= ' ' if $distclean_config;
$distclean_config .= $cn_sans_dir;
}
}
if ($distclean_config)
{
$output_rules .= &file_contents_with_transform ('s,\@FILES\@,'
. $distclean_config
. ',;',
'clean-hdr');
push (@clean, 'hdr');
&push_phony_cleaners ('hdr');
}
# Set location of mkinstalldirs.
if ($config_aux_dir ne '.' && $config_aux_dir ne '')
{
&define_variable ('mkinstalldirs', ('$(SHELL) ' . $config_aux_dir
. '/mkinstalldirs'));
}
else
{
&define_variable ('mkinstalldirs',
'$(SHELL) $(top_srcdir)/mkinstalldirs');
}
&am_line_error ('CONFIG_HEADER',
"\`CONFIG_HEADER' is an anachronism; now determined from \`configure.in'")
if &variable_defined ('CONFIG_HEADER');
local ($one_name);
local ($config_header) = '';
foreach $one_name (@config_names)
{
# Generate CONFIG_HEADER define.
local ($one_hdr);
if ($relative_dir eq &dirname ($one_name))
{
$one_hdr = &basename ($one_name);
}
else
{
$one_hdr = "${top_builddir}/${one_name}";
}
$config_header .= ' ' if $config_header;
$config_header .= $one_hdr;
}
if ($config_header)
{
&define_variable ("CONFIG_HEADER", $config_header);
}
# Now look for other files in this directory which must be remade
# by config.status, and generate rules for them.
local (@actual_other_files) = ();
local ($file, $local);
local (@inputs, @rewritten_inputs, $single);
local ($need_rewritten);
foreach $file (@other_input_files)
{
if ($file =~ /^([^:]*):(.*)$/)
{
# This is the ":" syntax of AC_OUTPUT.
$file = $1;
$local = &basename ($file);
@inputs = split (':', $2);
@rewritten_inputs = &rewrite_inputs_into_dependencies (1, @inputs);
$need_rewritten = 1;
}
else
{
# Normal usage.
$local = &basename ($file);
@inputs = ($local . '.in');
@rewritten_inputs =
&rewrite_inputs_into_dependencies (1, $file . '.in');
$need_rewritten = 0;
}
# Skip files not in this directory.
next unless &dirname ($file) eq $relative_dir;
# Skip any file that is an automake input.
next if -f $file . '.am';
# Some users have been tempted to put `stamp-h' in the
# AC_OUTPUT line. This won't do the right thing, so we
# explicitly fail here.
if ($local eq 'stamp-h')
{
# FIXME: allow real filename.
&am_conf_error ('configure.in', $ac_output_line,
'stamp-h should not appear in AC_OUTPUT');
next;
}
$output_rules .= ($local . ': '
. '$(top_builddir)/config.status '
. join (' ', @rewritten_inputs) . "\n"
. "\t"
. 'cd $(top_builddir) && CONFIG_FILES='
. ($relative_dir eq '.' ? '' : '$(subdir)/')
. '$@' . ($need_rewritten
? (':' . join (':', @inputs))
: '')
. ' CONFIG_HEADERS= $(SHELL) ./config.status'
. "\n");
&push_dist_common (@inputs);
push (@actual_other_files, $local);
# Require all input files.
&require_file_with_conf_line ($ac_output_line, $FOREIGN,
&rewrite_inputs_into_dependencies (0, @inputs));
}
# These files get removed by "make clean".
&define_pretty_variable ('CONFIG_CLEAN_FILES', '', @actual_other_files);
}
# Handle C headers.
sub handle_headers
{
local (@r);
@r = &am_install_var ('header', '-defaultdist', 'HEADERS', 'include',
'oldinclude', 'pkginclude',
'noinst', 'check');
foreach (@r)
{
next unless /\.(.*)$/;
&saw_extension ($1);
}
}
sub handle_gettext
{
return if ! $seen_gettext || $relative_dir ne '.';
if (! &variable_defined ('SUBDIRS'))
{
&am_conf_error
("AM_GNU_GETTEXT in configure.in but SUBDIRS not defined");
return;
}
&require_file_with_conf_line ($ac_gettext_line, $GNU, 'ABOUT-NLS');
if (&variable_defined ('SUBDIRS'))
{
&am_line_error
('SUBDIRS',
"AM_GNU_GETTEXT in configure.in but \`po' not in SUBDIRS")
if $contents{'SUBDIRS'} !~ /\bpo\b/;
&am_line_error
('SUBDIRS',
"AM_GNU_GETTEXT in configure.in but \`intl' not in SUBDIRS")
if $contents{'SUBDIRS'} !~ /\bintl\b/;
}
# Ensure that each language in ALL_LINGUAS has a .po file, and
# each po file is mentioned in ALL_LINGUAS.
if ($seen_linguas)
{
local (%linguas) = ();
grep ($linguas{$_} = 1, split (' ', $all_linguas));
foreach (<po/*.po>)
{
s/^po\///;
s/\.po$//;
&am_line_error ($all_linguas_line,
("po/$_.po exists but \`$_' not in \`ALL_LINGUAS'"))
if ! $linguas{$_};
}
foreach (keys %linguas)
{
&am_line_error ($all_linguas_line,
"$_ in \`ALL_LINGUAS' but po/$_.po does not exist")
if ! -f "po/$_.po";
}
}
else
{
&am_error ("AM_GNU_GETTEXT in configure.in but \`ALL_LINGUAS' not defined");
}
}
# Handle footer elements.
sub handle_footer
{
if ($contents{'SOURCES'})
{
# NOTE don't use define_pretty_variable here, because
# $contents{...} is already defined.
$output_vars .= 'SOURCES = ' . $contents{'SOURCES'} . "\n";
}
if ($contents{'OBJECTS'})
{
# NOTE don't use define_pretty_variable here, because
# $contents{...} is already defined.
$output_vars .= 'OBJECTS = ' . $contents{'OBJECTS'} . "\n";
}
if ($contents{'SOURCES'} || $contents{'OBJECTS'})
{
$output_vars .= "\n";
}
if (&variable_defined ('SUFFIXES'))
{
# Push actual suffixes, and not $(SUFFIXES). Some versions of
# make do not like variable substitutions on the .SUFFIXES
# line.
push (@suffixes, &variable_value_as_list ('SUFFIXES', ''));
}
if (&target_defined ('.SUFFIXES'))
{
&am_line_error ('.SUFFIXES',
"use variable \`SUFFIXES', not target \`.SUFFIXES'");
}
# Note: AIX 4.1 /bin/make will fail if any suffix rule appears
# before .SUFFIXES. So we make sure that .SUFFIXES appears before
# anything else, by sticking it right after the default: target.
$output_header .= ".SUFFIXES:\n";
if (@suffixes)
{
# Make sure suffixes has unique elements. Sort them to ensure
# the output remains consistent.
local (%suffixes);
grep ($suffixes{$_} = 1, @suffixes);
$output_header .= (".SUFFIXES: "
. join (' ', sort keys %suffixes)
. "\n");
}
$output_trailer .= &file_contents ('footer');
}
# Deal with installdirs target.
sub handle_installdirs
{
# GNU Makefile standards recommend this.
if ($recursive_install)
{
# We create a separate `-am' target so that the -recursive
# rule will work correctly.
$output_rules .= ("installdirs: installdirs-recursive\n"
. "installdirs-am:\n");
push (@phony, 'installdirs-am');
}
else
{
$output_rules .= "installdirs:\n";
}
push (@phony, 'installdirs');
if (@installdirs)
{
&pretty_print_rule ("\t" . '$(mkinstalldirs) ', "\t\t",
@installdirs);
}
$output_rules .= "\n";
}
# There are several targets which need to be merged. This is because
# their complete definition is compiled from many parts. Note that we
# avoid double colon rules, otherwise we'd use them instead.
sub handle_merge_targets
{
local ($makefile) = @_;
# There are a few install-related variables that you should not define.
local ($var);
foreach $var ('PRE_INSTALL', 'POST_INSTALL', 'NORMAL_INSTALL')
{
if (&variable_defined ($var))
{
&am_line_error ($var, "\`$var' should not be defined");
}
}
# Put this at the beginning for the sake of non-GNU makes. This
# is still wrong if these makes can run parallel jobs. But it is
# right enough.
unshift (@all, &basename ($makefile));
local ($one_name);
foreach $one_name (@config_names)
{
push (@all, &basename ($one_name))
if &dirname ($one_name) eq $relative_dir;
}
&do_one_merge_target ('info', @info);
&do_one_merge_target ('dvi', @dvi);
&do_check_merge_target;
&do_one_merge_target ('installcheck', @installcheck);
if (defined $options{'no-installinfo'})
{
&do_one_merge_target ('install-info', '');
}
elsif (&target_defined ('install-info-local'))
{
&am_line_error ('install-info-local',
"\`install-info-local' target defined but \`no-installinfo' option not in use");
}
local ($utarg);
foreach $utarg ('uninstall-data-local', 'uninstall-data-hook',
'uninstall-exec-local', 'uninstall-exec-hook')
{
if (&target_defined ($utarg))
{
local ($x);
($x = $utarg) =~ s/(data|exec)-//;
&am_line_error ($utarg, "use \`$x', not \`$utarg'");
}
}
if (&target_defined ('install-local'))
{
&am_line_error ('install-local',
"use \`install-data-local' or \`install-exec-local', not \`install-local'");
}
if (@all)
{
local ($one_name);
local ($local_headers) = '';
foreach $one_name (@config_names)
{
if (&dirname ($one_name) eq $relative_dir)
{
$local_headers .= ' ' if $local_headers;
$local_headers .= &basename ($one_name);
}
}
if ($local_headers)
{
# This is kind of a hack, but I couldn't see a better way
# to handle it. In this particular case, we need to make
# sure config.h is built before we recurse. We can't do
# this by changing the order of dependencies to the "all"
# because that breaks when using parallel makes. Instead
# we handle things explicitly.
$output_rules .= ("all-recursive-am: ${local_headers}"
. "\n\t"
. '$(MAKE) $(AM_MAKEFLAGS)'
. " all-recursive"
. "\n\n");
$all_target = 'all-recursive-am';
push (@phony, 'all-recursive-am');
}
}
# Print definitions users can use.
&do_one_merge_target ('install-exec', @install_exec);
$output_rules .= "\n";
&do_one_merge_target ('install-data', @install_data);
$output_rules .= "\n";
&do_one_merge_target ('install', 'all-am');
&do_one_merge_target ('uninstall', @uninstall);
&do_one_merge_target ('all', @all);
# Generate the new 'install-strip' target. We can't just set
# INSTALL_PROGRAM because that might be a relative path.
$output_rules .= ("install-strip:\n\t"
. '$(MAKE) $(AM_MAKEFLAGS) INSTALL_STRIP_FLAG=-s install'
. "\n");
push (@phony, 'install-strip');
}
# Helper for handle_merge_targets. Note that handle_merge_targets
# relies on the fact that this doesn't add an extra \n at the end.
sub do_one_merge_target
{
local ($name, @values) = @_;
if (&target_defined ($name . '-local'))
{
# User defined local form of target. So include it.
push (@values, $name . '-local');
push (@phony, $name . '-local');
}
&pretty_print_rule ($name . "-am:", "\t\t", @values);
if ($name eq 'install')
{
# Special-case `install-am' to run install-exec-am and
# install-data-am after all-am is built.
&pretty_print_rule ("\t\@\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
'install-exec-am', 'install-data-am');
}
elsif ($name eq 'install-exec' && &target_defined ('install-exec-hook'))
{
$output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
. "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-exec-hook'
. "\n");
}
elsif ($name eq 'install-data' && &target_defined ('install-data-hook'))
{
$output_rules .= ("\t\@\$(NORMAL_INSTALL)\n"
. "\t" . '$(MAKE) $(AM_MAKEFLAGS) install-data-hook'
. "\n");
}
local ($lname) = $name . ($recursive_install ? '-recursive' : '-am');
local ($tname) = $name;
# To understand this special case, see handle_merge_targets.
if ($name eq 'all')
{
$tname = 'all-redirect';
$lname = $all_target if $recursive_install;
push (@phony, 'all-redirect');
$output_all = "all: all-redirect\n";
}
&pretty_print_rule ($tname . ":", "\t\t", $lname);
push (@phony, $name . '-am', $name);
}
# Handle check merge target specially.
sub do_check_merge_target
{
if (&target_defined ('check-local'))
{
# User defined local form of target. So include it.
push (@check_tests, 'check-local');
push (@phony, 'check-local');
}
# In --cygnus mode, check doesn't depend on all.
if ($cygnus_mode)
{
# Just run the local check rules.
&pretty_print_rule ('check-am:', "\t\t", @check);
}
else
{
# The check target must depend on the local equivalent of
# `all', to ensure all the primary targets are built. Then it
# must build the local check rules.
$output_rules .= "check-am: all-am\n";
&pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
@check)
if @check;
}
&pretty_print_rule ("\t\$(MAKE) \$(AM_MAKEFLAGS)", "\t ",
@check_tests)
if @check_tests;
push (@phony, 'check', 'check-am');
$output_rules .= ("check: "
. ($recursive_install ? 'check-recursive' : 'check-am')
. "\n");
}
# Handle all 'clean' targets.
sub handle_clean
{
local ($xform) = '';
local ($name);
# Don't include `MAINTAINER'; it is handled specially below.
foreach $name ('MOSTLY', '', 'DIST')
{
if (! &variable_defined ($name . 'CLEANFILES'))
{
$xform .= 's/^' . $name . 'CLEAN.*$//;';
}
else
{
$xform .= 's/^' . $name . 'CLEAN//;';
}
}
# Built sources are automatically removed by maintainer-clean.
push (@maintainer_clean_files, '\$(BUILT_SOURCES)')
if &variable_defined ('BUILT_SOURCES');
push (@maintainer_clean_files, '\$(MAINTAINERCLEANFILES)')
if &variable_defined ('MAINTAINERCLEANFILES');
if (! @maintainer_clean_files)
{
$xform .= 's/^MAINTAINERCLEAN.*$//;';
}
else
{
$xform .= ('s/^MAINTAINERCLEAN//;'
# Join with no space to avoid spurious `test -z'
# success at runtime.
. 's,\@MCFILES\@,' . join ('', @maintainer_clean_files)
. ',;'
# A space is required in the join here.
. 's,\@MFILES\@,' . join (' ', @maintainer_clean_files)
. ',;');
}
$output_rules .= &file_contents_with_transform ($xform, 'clean');
push (@clean, 'generic');
&push_phony_cleaners ('generic');
&do_one_clean_target ('clean', 'mostly', '', @clean);
&do_one_clean_target ('clean', '', 'mostly', @clean);
&do_one_clean_target ('clean', 'dist', '', @clean);
&do_one_clean_target ('clean', 'maintainer-', 'dist', @clean);
push (@phony, 'clean', 'mostlyclean', 'distclean', 'maintainer-clean');
}
# Helper for handle_clean.
sub do_one_clean_target
{
local ($target, $name, $last_name, @deps) = @_;
# Change each dependency `BLARG' into `clean-BLARG'.
grep (($_ = $name . 'clean-' . $_) && 0, @deps);
# Push the previous clean target. There is no previous clean
# target if we're doing mostlyclean.
push (@deps, $last_name . $target . '-am')
unless $name eq 'mostly';
# If a -local version of the rule is given, add it to the list.
if (&target_defined ($name . $target . '-local'))
{
push (@deps, $name . $target . '-local');
}
# Print the target and the dependencies.
&pretty_print_rule ($name . $target . "-am: ", "\t\t", @deps);
# FIXME: shouldn't we really print these messages before running
# the dependencies?
if ($name . $target eq 'maintainer-clean')
{
# Print a special warning.
$output_rules .=
("\t\@echo \"This command is intended for maintainers to use;\"\n"
. "\t\@echo \"it deletes files that may require special "
. "tools to rebuild.\"\n");
}
elsif ($name . $target eq 'distclean')
{
$output_rules .= "\t-rm -f libtool\n" if $seen_libtool;
}
$output_rules .= "\n";
# Now generate the actual clean target.
$output_rules .= ($name . $target . ": " . $name . $target
. ($recursive_install ? '-recursive' : '-am')
. "\n");
# We special-case config.status here. If we do it as part of the
# normal clean processing for this directory, then it might be
# removed before some subdir is cleaned. However, that subdir's
# Makefile depends on config.status.
if (($name . $target eq 'maintainer-clean'
|| $name . $target eq 'distclean')
&& $relative_dir eq '.')
{
$output_rules .= "\t-rm -f config.status\n";
}
$output_rules .= "\n";
}
# Handle .PHONY target.
sub handle_phony
{
&pretty_print_rule ('.PHONY:', "", @phony);
$output_rules .= "\n";
}
# Handle TESTS variable and other checks.
sub handle_tests
{
if (defined $options{'dejagnu'})
{
push (@check_tests, 'check-DEJAGNU');
push (@phony, 'check-DEJAGNU');
local ($xform);
if ($cygnus_mode)
{
$xform = 's/^CYGNUS//;';
}
else
{
$xform = 's/^CYGNUS.*$//;';
}
$output_rules .= &file_contents_with_transform ($xform, 'dejagnu');
# In Cygnus mode, these are found in the build tree.
# Otherwise they are looked for in $PATH.
&define_program_variable ('EXPECT', 'build', 'expect', 'expect');
&define_program_variable ('RUNTEST', 'src', 'dejagnu', 'runtest');
# Only create site.exp rule if user hasn't already written
# one.
if (! &target_defined ('site.exp'))
{
# Note that in the rule we don't directly generate
# site.exp to avoid the possibility of a corrupted
# site.exp if make is interrupted. Jim Meyering has some
# useful text on this topic.
$output_rules .= ("site.exp: Makefile\n"
. "\t\@echo 'Making a new site.exp file...'\n"
. "\t\@test ! -f site.bak || rm -f site.bak\n"
. "\t\@echo '## these variables are automatically generated by make ##' > \$\@-t\n"
. "\t\@echo '# Do not edit here. If you wish to override these values' >> \$\@-t\n"
. "\t\@echo '# edit the last section' >> \$\@-t\n"
. "\t\@echo 'set tool \$(DEJATOOL)' >> \$\@-t\n"
. "\t\@echo 'set srcdir \$(srcdir)' >> \$\@-t\n"
. "\t\@echo 'set objdir' \`pwd\` >> \$\@-t\n");
# Extra stuff for AC_CANONICAL_*
local (@whatlist) = ();
if ($seen_canonical)
{
push (@whatlist, 'host');
}
# Extra stuff only for AC_CANONICAL_SYSTEM.
if ($seen_canonical == $AC_CANONICAL_SYSTEM)
{
push (@whatlist, 'target', 'build');
}
local ($c1, $c2);
foreach $c1 (@whatlist)
{
foreach $c2 ('alias', 'triplet')
{
$output_rules .= "\t\@echo 'set ${c1}_${c2} \$(${c1}_${c2})' >> \$\@-t\n";
}
}
$output_rules .= ("\t\@echo '## All variables above are generated by configure. Do Not Edit ##' >> \$\@-t\n"
. "\t\@test ! -f site.exp || sed '1,/^## All variables above are.*##/ d' site.exp >> \$\@-t\n"
. "\t\@test ! -f site.exp || mv site.exp site.bak\n"
. "\t\@mv \$\@-t site.exp\n");
}
}
else
{
local ($c);
foreach $c ('DEJATOOL', 'RUNTEST', 'RUNTESTFLAGS')
{
if (&variable_defined ($c))
{
&am_line_error ($c, "\`$c' defined but \`dejagnu' not in \`AUTOMAKE_OPTIONS'");
}
}
}
if (&variable_defined ('TESTS'))
{
push (@check_tests, 'check-TESTS');
push (@phony, 'check-TESTS');
# Note: Solaris 2.7 seems to expand TESTS using VPATH. That's
# why we choose `dir=' and not `dir=.'
$output_rules .= 'check-TESTS: $(TESTS)
@failed=0; all=0; \\
srcdir=$(srcdir); export srcdir; \\
for tst in $(TESTS); do \\
if test -f $$tst; then dir=; \\
else dir="$(srcdir)/"; fi; \\
if $(TESTS_ENVIRONMENT) $${dir}$$tst; then \\
all=`expr $$all + 1`; \\
echo "PASS: $$tst"; \\
elif test $$? -ne 77; then \\
all=`expr $$all + 1`; \\
failed=`expr $$failed + 1`; \\
echo "FAIL: $$tst"; \\
fi; \\
done; \\
if test "$$failed" -eq 0; then \\
banner="All $$all tests passed"; \\
else \\
banner="$$failed of $$all tests failed"; \\
fi; \\
dashes=`echo "$$banner" | sed s/./=/g`; \\
echo "$$dashes"; \\
echo "$$banner"; \\
echo "$$dashes"; \\
test "$$failed" -eq 0
';
}
}
# Handle Emacs Lisp.
sub handle_emacs_lisp
{
local (@elfiles) = &am_install_var ('-candist', 'lisp', 'LISP',
'lisp', 'noinst');
if (@elfiles)
{
# Found some lisp.
&define_configure_variable ('lispdir');
&define_configure_variable ('EMACS');
$output_rules .= (".el.elc:\n"
. "\t\@echo 'WARNING: Warnings can be ignored. :-)'\n"
. "\tif test \$(EMACS) != no; then \\\n"
. "\t EMACS=\$(EMACS) \$(SHELL) \$(srcdir)/elisp-comp \$<; \\\n"
. "\tfi\n");
push (@suffixes, '.el', '.elc');
# Generate .elc files.
grep ($_ .= 'c', @elfiles);
&define_pretty_variable ('ELCFILES', '', @elfiles);
$output_rules .= &file_contents ('lisp-clean');
push (@clean, 'lisp');
&push_phony_cleaners ('lisp');
push (@all, '$(ELCFILES)');
local ($varname);
if (&variable_defined ('lisp_LISP'))
{
$varname = 'lisp_LISP';
&am_error ("\`lisp_LISP' defined but \`AM_PATH_LISPDIR' not in \`configure.in'")
if ! $seen_lispdir;
}
else
{
$varname = 'noinst_LISP';
}
&require_file_with_line ($varname, $FOREIGN, 'elisp-comp');
}
}
# Handle Java.
sub handle_java
{
local (@sourcelist) = &am_install_var ('-candist', '-clean',
'java', 'JAVA',
'java', 'noinst', 'check');
return if ! @sourcelist;
&define_variable ('JAVAC', 'javac');
&define_variable ('JAVACFLAGS', '');
&define_variable ('CLASSPATH_ENV',
'CLASSPATH=$(JAVAROOT):$(srcdir)/$(JAVAROOT):$$CLASSPATH');
&define_variable ('JAVAROOT', '$(top_builddir)');
local (%valid) = &am_primary_prefixes ('JAVA', 1,
'java', 'noinst', 'check');
local ($dir, $curs);
foreach $curs (keys %valid)
{
if (! &variable_defined ($curs . '_JAVA') || $curs eq 'noinst'
|| $curs eq 'EXTRA')
{
next;
}
if (defined $dir)
{
&am_line_error ($curs . '_JAVA',
"multiple _JAVA primaries in use");
}
$dir = $curs;
}
$output_rules .= ('class' . $dir . '.stamp: $(' . $dir . '_JAVA)' . "\n"
. "\t" . '$(CLASSPATH_ENV) $(JAVAC) -d $(JAVAROOT) '
. '$(JAVACFLAGS) $?' . "\n"
. "\t" . 'echo timestamp > class' . $dir . '.stamp'
. "\n");
push (@all, 'class' . $dir . '.stamp');
&push_dist_common ('$(' . $dir . '_JAVA)');
}
# Handle some of the minor options.
sub handle_minor_options
{
if (defined $options{'readme-alpha'})
{
if ($relative_dir eq '.')
{
if ($package_version !~ /^$GNITS_VERSION_PATTERN$/)
{
# FIXME: allow real filename.
&am_conf_line_error ('configure.in',
$package_version_line,
"version \`$package_version' doesn't follow Gnits standards");
}
elsif (defined $1 && -f 'README-alpha')
{
# This means we have an alpha release. See
# GNITS_VERSION_PATTERN for details.
&require_file ($FOREIGN, 'README-alpha');
}
}
}
}
################################################################
# Scan one file for interesting things. Subroutine of scan_configure.
sub scan_one_configure_file
{
local ($filename) = @_;
local (*CONFIGURE);
open (CONFIGURE, $filename)
|| die "automake: couldn't open \`$filename': $!\n";
print "automake: reading $filename\n" if $verbose;
while (<CONFIGURE>)
{
# Remove comments from current line.
s/\bdnl\b.*$//;
s/\#.*$//;
# Skip macro definitions. Otherwise we might be confused into
# thinking that a macro that was only defined was actually
# used.
next if /AC_DEFUN/;
# Follow includes. This is a weirdness commonly in use at
# Cygnus and hopefully nowhere else.
if (/sinclude\((.*)\)/ && -f $1)
{
&scan_one_configure_file ($1);
}
# Populate libobjs array.
if (/AC_FUNC_ALLOCA/)
{
$libsources{'alloca.c'} = 1;
}
elsif (/AC_FUNC_GETLOADAVG/)
{
$libsources{'getloadavg.c'} = 1;
}
elsif (/AC_FUNC_MEMCMP/)
{
$libsources{'memcmp.c'} = 1;
}
elsif (/AC_STRUCT_ST_BLOCKS/)
{
$libsources{'fileblocks.c'} = 1;
}
elsif (/A[CM]_REPLACE_GNU_GETOPT/)
{
$libsources{'getopt.c'} = 1;
$libsources{'getopt1.c'} = 1;
}
elsif (/AM_FUNC_STRTOD/)
{
$libsources{'strtod.c'} = 1;
}
elsif (/AM_WITH_REGEX/)
{
$libsources{'rx.c'} = 1;
$libsources{'rx.h'} = 1;
$libsources{'regex.c'} = 1;
$libsources{'regex.h'} = 1;
$omit_dependencies{'rx.h'} = 1;
$omit_dependencies{'regex.h'} = 1;
}
elsif (/AM_FUNC_MKTIME/)
{
$libsources{'mktime.c'} = 1;
}
elsif (/AM_FUNC_ERROR_AT_LINE/)
{
$libsources{'error.c'} = 1;
$libsources{'error.h'} = 1;
}
elsif (/AM_FUNC_OBSTACK/)
{
$libsources{'obstack.c'} = 1;
$libsources{'obstack.h'} = 1;
}
elsif (/LIBOBJS="(.*)\s+\$LIBOBJS"/
|| /LIBOBJS="\$LIBOBJS\s+(.*)"/)
{
foreach $libobj_iter (split (' ', $1))
{
if ($libobj_iter =~ /^(.*)\.o(bj)?$/
|| $libobj_iter =~ /^(.*)\.\$ac_objext$/
|| $libobj_iter =~ /^(.*)\.\$\{ac_objext\}$/)
{
$libsources{$1 . '.c'} = 1;
}
}
}
if (! $in_ac_replace && s/AC_REPLACE_FUNCS\s*\(\[?//)
{
$in_ac_replace = 1;
}
if ($in_ac_replace)
{
$in_ac_replace = 0 if s/[\]\)].*$//;
# Remove trailing backslash.
s/\\$//;
foreach (split)
{
# Need to skip empty elements for Perl 4.
next if $_ eq '';
$libsources{$_ . '.c'} = 1;
}
}
if (/$obsolete_rx/o)
{
local ($hint) = '';
if ($obsolete_macros{$1} ne '')
{
$hint = '; ' . $obsolete_macros{$1};
}
&am_conf_line_error ($filename, $., "\`$1' is obsolete$hint");
}
# Process the AC_OUTPUT macro.
if (! $in_ac_output && s/AC_OUTPUT\s*\(\[?//)
{
$in_ac_output = 1;
$ac_output_line = $.;
}
if ($in_ac_output)
{
local ($closing) = 0;
if (s/[\]\),].*$//)
{
$in_ac_output = 0;
$closing = 1;
}
# Look at potential Makefile.am's.
foreach (split)
{
# Must skip empty string for Perl 4.
next if $_ eq "\\" || $_ eq '';
# Handle $local:$input syntax. Note that we ignore
# every input file past the first, though we keep
# those around for later.
local ($local, $input, @rest) = split (/:/);
if (! $input)
{
$input = $local;
}
else
{
# FIXME: should be error if .in is missing.
$input =~ s/\.in$//;
}
if (-f $input . '.am')
{
# We have a file that automake should generate.
push (@make_input_list, $input);
$make_list{$input} = join (':', ($local, @rest));
}
else
{
# We have a file that automake should cause to be
# rebuilt, but shouldn't generate itself.
push (@other_input_files, $_);
}
}
if ($closing && @make_input_list == 0 && @other_input_files == 0)
{
&am_conf_line_error ($filename, $ac_output_line,
"No files mentioned in \`AC_OUTPUT'");
exit 1;
}
}
if (/$AC_CONFIG_AUX_DIR_PATTERN/o)
{
@config_aux_path = $1;
}
# Check for ansi2knr.
$am_c_prototypes = 1 if /AM_C_PROTOTYPES/;
# Check for exe extension stuff.
if (/AC_EXEEXT/)
{
$seen_exeext = 1;
$configure_vars{'EXEEXT'} = $filename . ':' . $.;
}
if (/AC_OBJEXT/)
{
$seen_objext = 1;
$configure_vars{'OBJEXT'} = $filename . ':' . $.;
}
# Check for NLS support.
if (/AM_GNU_GETTEXT/)
{
$seen_gettext = 1;
$ac_gettext_line = $.;
$omit_dependencies{'libintl.h'} = 1;
}
# Look for ALL_LINGUAS.
if (/ALL_LINGUAS="(.*)"$/ || /ALL_LINGUAS=(.*)$/)
{
$seen_linguas = 1;
$all_linguas = $1;
$all_linguas_line = $.;
}
# Handle configuration headers. A config header of `[$1]'
# means we are actually scanning AM_CONFIG_HEADER from
# aclocal.m4.
if (/A([CM])_CONFIG_HEADER\s*\((.*)\)/
&& $2 ne '[$1]')
{
&am_conf_line_error
($filename, $., "\`automake requires \`AM_CONFIG_HEADER', not \`AC_CONFIG_HEADER'")
if $1 eq 'C';
$config_header_line = $.;
local ($one_hdr);
foreach $one_hdr (split (' ', $2))
{
push (@config_fullnames, $one_hdr);
if ($one_hdr =~ /^([^:]+):(.+)$/)
{
push (@config_names, $1);
push (@config_headers, $2);
}
else
{
push (@config_names, $one_hdr);
push (@config_headers, $one_hdr . '.in');
}
}
}
# Handle AC_CANONICAL_*. Always allow upgrading to
# AC_CANONICAL_SYSTEM, but never downgrading.
$seen_canonical = $AC_CANONICAL_HOST
if ! $seen_canonical
&& (/AC_CANONICAL_HOST/ || /AC_CHECK_TOOL/);
$seen_canonical = $AC_CANONICAL_SYSTEM if /AC_CANONICAL_SYSTEM/;
$seen_path_xtra = 1 if /AC_PATH_XTRA/;
# This macro handles several different things.
if (/$AM_INIT_AUTOMAKE_PATTERN/o)
{
$seen_make_set = 1;
$seen_package = 1;
$seen_version = 1;
$seen_arg_prog = 1;
$seen_prog_install = 1;
($package_version = $1) =~ s/$AM_PACKAGE_VERSION_PATTERN/$1/o;
$package_version_line = $.;
}
# This is like AM_INIT_AUTOMAKE, but doesn't actually set the
# package and version number. (This might change in the
# future). Yes, I'm not above hacking Automake so it works
# well with other GNU tools -- that is actually the point.
if (/AM_INIT_GUILE_MODULE/)
{
$seen_make_set = 1;
$seen_package = 1;
$seen_version = 1;
$seen_arg_prog = 1;
$seen_prog_install = 1;
@config_aux_path = ('..');
}
# Some things required by Automake.
$seen_make_set = 1 if /AC_PROG_MAKE_SET/;
$seen_arg_prog = 1 if /AC_ARG_PROGRAM/;
if (/AM_PROG_LEX/)
{
$configure_vars{'LEX'} = $filename . ':' . $.;
$seen_decl_yytext = 1;
}
if (/AC_DECL_YYTEXT/ && $filename =~ /configure\.in$/)
{
&am_conf_line_warning ($filename, $., "\`AC_DECL_YYTEXT' is covered by \`AM_PROG_LEX'");
}
if (/AC_PROG_LEX/ && $filename =~ /configure\.in$/)
{
&am_conf_line_warning ($filename, $., "automake requires \`AM_PROG_LEX', not \`AC_PROG_LEX'");
}
if (/AC_PROG_(F77|YACC|RANLIB|CC|CXXCPP|CXX|LEX|AWK|CPP|LN_S)/)
{
$configure_vars{$1} = $filename . ':' . $.;
}
if (/$AC_CHECK_PATTERN/o)
{
$configure_vars{$3} = $filename . ':' . $.;
}
if (/$AM_MISSING_PATTERN/o
&& $1 ne 'ACLOCAL'
&& $1 ne 'AUTOCONF'
&& $1 ne 'AUTOMAKE'
&& $1 ne 'AUTOHEADER')
{
$configure_vars{$1} = $filename . ':' . $.;
}
# Explicitly avoid ANSI2KNR -- we AC_SUBST that in protos.m4,
# but later define it elsewhere. This is pretty hacky. We
# also explicitly avoid INSTALL_SCRIPT and some other
# variables because they are defined in header-vars.am.
# FIXME.
if (/$AC_SUBST_PATTERN/o
&& $1 ne 'ANSI2KNR'
&& $1 ne 'INSTALL_SCRIPT'
&& $1 ne 'INSTALL_DATA')
{
$configure_vars{$1} = $filename . ':' . $.;
}
$seen_decl_yytext = 1 if /AC_DECL_YYTEXT/;
if (/AM_MAINTAINER_MODE/)
{
$seen_maint_mode = 1;
$configure_cond{'MAINTAINER_MODE'} = 1;
}
$seen_package = 1 if /PACKAGE=/;
# Skip VERSION of [$2]; that is from AM_INIT_AUTOMAKE.
if (/\bVERSION=(\S+)/ && $1 ne '[$2]')
{
$seen_version = 1;
$package_version = $1;
$package_version_line = $.;
}
elsif (/VERSION=/)
{
$seen_version = 1;
}
$seen_prog_install = 1 if /AC_PROG_INSTALL/;
$seen_lispdir = 1 if /AM_PATH_LISPDIR/;
if (/A(C|M)_PROG_LIBTOOL/)
{
if (/AM_PROG_LIBTOOL/)
{
&am_conf_line_warning ($filename, $., "\`AM_PROG_LIBTOOL' is obsolete, use \`AC_PROG_LIBTOOL' instead");
}
$seen_libtool = 1;
$libtool_line = $.;
$configure_vars{'LIBTOOL'} = $filename . ':' . $.;
$configure_vars{'RANLIB'} = $filename . ':' . $.;
$configure_vars{'CC'} = $filename . ':' . $.;
# AC_PROG_LIBTOOL runs AC_CANONICAL_HOST. Make sure we
# never downgrade (if we've seen AC_CANONICAL_SYSTEM).
$seen_canonical = $AC_CANONICAL_HOST if ! $seen_canonical;
}
$seen_multilib = 1 if (/AM_ENABLE_MULTILIB/);
if (/$AM_CONDITIONAL_PATTERN/o)
{
$configure_cond{$1} = 1;
}
# Check for Fortran 77 intrinsic and run-time libraries.
if (/AC_F77_LIBRARY_LDFLAGS/)
{
$configure_vars{'FLIBS'} = $filename . ':' . $.;
}
}
close (CONFIGURE);
}
# Scan configure.in and aclocal.m4 for interesting things. We must
# scan aclocal.m4 because there might be AC_SUBSTs and such there.
sub scan_configure
{
# Reinitialize libsources here. This isn't really necessary,
# since we currently assume there is only one configure.in. But
# that won't always be the case.
%libsources = ();
local ($in_ac_output, $in_ac_replace) = (0, 0);
local (%make_list, @make_input_list);
local ($libobj_iter);
&scan_one_configure_file ('configure.in');
&scan_one_configure_file ('aclocal.m4')
if -f 'aclocal.m4';
# Set input and output files if not specified by user.
if (! @input_files)
{
@input_files = @make_input_list;
%output_files = %make_list;
}
&am_conf_error ("\`PACKAGE' not defined in configure.in")
if ! $seen_package;
&am_conf_error ("\`VERSION' not defined in configure.in")
if ! $seen_version;
# Look for some files we need. Always check for these. This
# check must be done for every run, even those where we are only
# looking at a subdir Makefile. We must set relative_dir so that
# the file-finding machinery works.
local ($relative_dir) = '.';
&require_config_file ($FOREIGN, 'install-sh', 'mkinstalldirs', 'missing');
&am_error ("\`install.sh' is an anachronism; use \`install-sh' instead")
if -f $config_aux_path[0] . '/install.sh';
}
################################################################
# Set up for Cygnus mode.
sub check_cygnus
{
return unless $cygnus_mode;
&set_strictness ('foreign');
$options{'no-installinfo'} = 1;
$options{'no-dependencies'} = 1;
$use_dependencies = 0;
if (! $seen_maint_mode)
{
&am_conf_error ("\`AM_MAINTAINER_MODE' required when --cygnus specified");
}
if (! $seen_exeext)
{
&am_conf_error ("\`AC_EXEEXT' required when --cygnus specified");
}
}
# Do any extra checking for GNU standards.
sub check_gnu_standards
{
if ($relative_dir eq '.')
{
# In top level (or only) directory.
&require_file ($GNU, 'INSTALL', 'NEWS', 'README', 'COPYING',
'AUTHORS', 'ChangeLog');
}
if ($strictness >= $GNU)
{
if (defined $options{'no-installman'})
{
&am_line_error ('AUTOMAKE_OPTIONS',
"option \`no-installman' disallowed by GNU standards");
}
if (defined $options{'no-installinfo'})
{
&am_line_error ('AUTOMAKE_OPTIONS',
"option \`no-installinfo' disallowed by GNU standards");
}
}
}
# Do any extra checking for GNITS standards.
sub check_gnits_standards
{
if ($strictness >= $GNITS)
{
if (-f $relative_dir . '/COPYING.LIB')
{
&am_error ("\`${relative_dir}/COPYING.LIB' disallowed by Gnits standards");
}
}
if ($relative_dir eq '.')
{
# In top level (or only) directory.
&require_file ($GNITS, 'THANKS');
}
}
################################################################
#
# Functions to handle files of each language.
# Each `lang_X_rewrite' function follows a simple formula:
# * Args are the base name and extension of the file.
# * Return value is 1 if file is to be dealt with, 0 otherwise.
# Much of the actual processing is handled in handle_single_transform_list.
# These functions exist so that auxiliary information can be recorded
# for a later cleanup pass. Note that the calls to these functions
# are computed, so don't bother searching for their precise names
# in the source.
# Rewrite a single C source file.
sub lang_c_rewrite
{
local ($base, $ext) = @_;
if (defined $options{'ansi2knr'} && $base =~ /_$/)
{
# FIXME: include line number in error.
&am_error ("C source file \`$base.c' would be deleted by ansi2knr rules");
}
$de_ansi_files{$base} = 1;
return 1;
}
# Rewrite a single C++ source file.
sub lang_cxx_rewrite
{
return 1;
}
# Rewrite a single header file.
sub lang_header_rewrite
{
# Header files are simply ignored.
return 0;
}
# Rewrite a single yacc file.
sub lang_yacc_rewrite
{
local ($base, $ext) = @_;
&lang_c_rewrite ($base, $ext);
$yacc_sources{$base . '.' . $ext} = 1;
$ext =~ tr/y/c/;
&saw_extension ('c');
&push_dist_common ($base . '.' . $ext);
return 1;
}
# Rewrite a single yacc++ file.
sub lang_yaccxx_rewrite
{
local ($base, $ext) = @_;
$yacc_sources{$base . '.' . $ext} = 1;
$ext =~ tr/y/c/;
&saw_extension ($ext);
&push_dist_common ($base . '.' . $ext);
return 1;
}
# Rewrite a single lex file.
sub lang_lex_rewrite
{
local ($base, $ext) = @_;
&lang_c_rewrite ($base, $ext);
$lex_sources{$base . '.' . $ext} = 1;
$ext =~ tr/l/c/;
&saw_extension ('c');
&push_dist_common ($base . '.' . $ext);
return 1;
}
# Rewrite a single lex++ file.
sub lang_lexxx_rewrite
{
local ($base, $ext) = @_;
$lex_sources{$base . '.' . $ext} = 1;
$ext =~ tr/l/c/;
&saw_extension ($ext);
&push_dist_common ($base . '.' . $ext);
return 1;
}
# Rewrite a single assembly file.
sub lang_asm_rewrite
{
return 1;
}
# Rewrite a single Fortran 77 file.
sub lang_f77_rewrite
{
return 1;
}
# Rewrite a single preprocessed Fortran 77 file.
sub lang_ppf77_rewrite
{
return 1;
}
# Rewrite a single ratfor file.
sub lang_ratfor_rewrite
{
return 1;
}
# Rewrite a single Objective C file.
sub lang_objc_rewrite
{
return 1;
}
# The lang_X_finish functions are called after all source file
# processing is done. Each should handle defining rules for the
# language, etc. A finish function is only called if a source file of
# the appropriate type has been seen.
sub lang_c_finish
{
# Push all libobjs files onto de_ansi_files. We actually only
# push files which exist in the current directory, and which are
# genuine source files.
local ($file);
foreach $file (keys %libsources)
{
if ($file =~ /^(.*)\.[cly]$/ && -f "$relative_dir/$file")
{
$de_ansi_files{$1} = 1;
}
}
if (defined $options{'ansi2knr'} && keys %de_ansi_files)
{
# Make all _.c files depend on their corresponding .c files.
local ($base, @objects);
foreach $base (sort keys %de_ansi_files)
{
# Each _.c file must depend on ansi2knr; otherwise it
# might be used in a parallel build before it is built.
# We need to support files in the srcdir and in the build
# dir (because these files might be auto-generated. But
# we can't use $< -- some makes only define $< during a
# suffix rule.
$output_rules .= ($base . "_.c: $base.c \$(ANSI2KNR)\n\t"
. '$(CPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) '
. '`if test -f $(srcdir)/' . $base . '.c'
. '; then echo $(srcdir)/' . $base . '.c'
. '; else echo ' . $base . '.c; fi` '
. "| sed 's/^# \\([0-9]\\)/#line \\1/' "
. '| $(ANSI2KNR) > ' . $base . "_.c\n");
push (@objects, $base . '_'
. ($seen_objext ? '.$(OBJEXT)' : '.o'));
push (@objects, $base . '_.lo') if $seen_libtool;
}
# Make all _.o (and _.lo) files depend on ansi2knr.
# Use a sneaky little hack to make it print nicely.
&pretty_print_rule ('', '', @objects, ':', '$(ANSI2KNR)');
}
if (! defined $configure_vars{'CC'})
{
# FIXME: line number.
&am_error ("C source seen but \`CC' not defined in \`configure.in'");
}
}
sub lang_cxx_finish
{
local (@cxx_list) = &lang_extensions ('cxx');
local ($cxx_count) = scalar @cxx_list;
if ($cxx_count)
{
push (@suffixes, @cxx_list);
local ($ltcompile, $ltlink) = &libtool_compiler;
&define_configure_variable ("CXXFLAGS");
&define_compiler_variable ('CXXCOMPILE', $ltcompile, '$(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)');
&define_variable ('CXXLD', '$(CXX)');
&define_variable ('CXXLINK', $ltlink . '$(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
local ($ext);
foreach $ext (@cxx_list)
{
$output_rules .= ("$ext.o:\n"
. "\t\$(CXXCOMPILE) -c \$<\n");
# FIXME: Using cygpath should be somehow conditional.
$output_rules .= ("$ext.obj:\n"
. "\t\$(CXXCOMPILE) -c `cygpath -w \$<`\n")
if ($seen_objext);
$output_rules .= ("$ext.lo:\n"
. "\t\$(LTCXXCOMPILE) -c \$<\n")
if ($seen_libtool);
}
if (! defined $configure_vars{'CXX'})
{
&am_error ("C++ source seen but \`CXX' not defined in \`configure.in'");
}
}
}
sub lang_header_finish
{
# Nothing to do.
}
# This is a helper for both lex and yacc.
sub yacc_lex_finish_helper
{
return if defined $language_scratch{'lex-yacc-done'};
$language_scratch{'lex-yacc-done'} = 1;
# If there is more than one distinct yacc (resp lex) source file
# in a given directory, then the `ylwrap' program is required to
# allow parallel builds to work correctly. FIXME: for now, no
# line number.
&require_config_file ($FOREIGN, 'ylwrap');
if ($config_aux_dir ne '.' && $config_aux_dir ne '')
{
&define_variable ('YLWRAP', $config_aux_dir . "/ylwrap");
}
else
{
&define_variable ('YLWRAP', '$(srcdir)/ylwrap');
}
}
sub lang_yacc_finish
{
return if defined $language_scratch{'yacc-done'};
$language_scratch{'yacc-done'} = 1;
local ($file, $base, $hname, $cname);
local (%seen_suffix) = ();
local (@yacc_files) = sort keys %yacc_sources;
local ($yacc_count) = scalar (@yacc_files);
foreach $file (@yacc_files)
{
$file =~ /(\..*)$/;
&output_yacc_build_rule ($1, $yacc_count > 1)
if ! defined $seen_suffix{$1};
$seen_suffix{$1} = 1;
# Now generate rule to make the header file. This should only
# be generated if `yacc -d' specified. But right now there is
# no way to determine that. FIXME: examine AM_YFLAGS?
$file =~ /^(.*)\.(y|yy|y\+\+|yxx|ypp)$/;
$base = $1;
$hname = '.h'; # Always use `.h' for header file.
($cname = $2) =~ tr/y/c/;
$output_rules .= "${base}.${hname}: ${base}.${cname}\n";
# If the files are built in the build directory, then we want
# to remove them with `make clean'. If they are in srcdir
# they shouldn't be touched. However, we can't determine this
# statically, and the GNU rules say that yacc/lex output files
# should be removed by maintainer-clean. So that's what we
# do.
push (@maintainer_clean_files, "${base}.${hname}", "${base}.${cname}");
}
$output_rules .= "\n";
if (! defined $configure_vars{'YACC'})
{
&am_error ("yacc source seen but \`YACC' not defined in \`configure.in'");
}
if (&variable_defined ('YACCFLAGS'))
{
&am_line_error ('YACCFLAGS',
"\`YACCFLAGS' obsolete; use \`YFLAGS' instead");
}
if ($yacc_count > 1)
{
&yacc_lex_finish_helper;
}
}
sub lang_yaccxx_finish
{
&lang_yacc_finish;
}
sub lang_lex_finish
{
return if defined $language_scratch{'lex-done'};
$language_scratch{'lex-done'} = 1;
local (%seen_suffix) = ();
local ($file, $cname);
local ($lex_count) = scalar (keys %lex_sources);
foreach $file (sort keys %lex_sources)
{
$file =~ /(\..*)$/;
&output_lex_build_rule ($1, $lex_count > 1)
if (! defined $seen_suffix{$1});
$seen_suffix{$1} = 1;
# If the files are built in the build directory, then we want
# to remove them with `make clean'. If they are in srcdir
# they shouldn't be touched. However, we can't determine this
# statically, and the GNU rules say that yacc/lex output files
# should be removed by maintainer-clean. So that's what we
# do.
$file =~ /^(.*)\.(l|ll|l\+\+|lxx|lpp)$/;
($cname = $2) =~ tr/l/c/;
push (@maintainer_clean_files, "${1}.${cname}");
}
if (! defined $configure_vars{'LEX'})
{
&am_error ("lex source seen but \`LEX' not defined in \`configure.in'");
}
if (! $seen_decl_yytext)
{
&am_error ("lex source seen but \`AC_DECL_YYTEXT' not in \`configure.in'");
}
if ($lex_count > 1)
{
&yacc_lex_finish_helper;
}
}
sub lang_lexxx_finish
{
&lang_lex_finish;
}
sub lang_asm_finish
{
# Pretend we're C.
&lang_c_finish;
}
sub lang_f77_finish
{
local (@f77_list) = &lang_extensions ('f77');
local ($f77_count) = scalar @f77_list;
if ($f77_count)
{
push (@suffixes, @f77_list);
local ($ltcompile, $ltlink) = &libtool_compiler;
&define_configure_variable ('FFLAGS');
&define_compiler_variable ('F77COMPILE', $ltcompile,
'$(F77) $(AM_FFLAGS) $(FFLAGS)');
&define_variable ('F77LD', '$(F77)');
&define_variable ('F77LINK', $ltlink . '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
local ($ext);
foreach $ext (@f77_list)
{
$output_rules .= ("$ext.o:\n"
. "\t\$(F77COMPILE) -c \$<\n");
# FIXME: Using cygpath should be somehow conditional.
$output_rules .= ("$ext.obj:\n"
. "\t\$(F77COMPILE) -c `cygpath -w \$<`\n")
if ($seen_objext);
$output_rules .= ("$ext.lo:\n"
. "\t\$(LTF77COMPILE) -c \$<\n")
if ($seen_libtool);
}
if (! defined $configure_vars{'F77'})
{
&am_error ("Fortran 77 source seen but \`F77' not defined in \`configure.in'");
}
}
}
# Preprocessed Fortran 77
#
# The current support for preprocessing Fortran 77 just involves passing
# `$(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS)' as additional flags
# to the Fortran 77 compiler, since this is how GNU Make does it; see
# the `GNU Make Manual, Edition 0.51 for `make' Version 3.76 Beta'
# (specifically, from info file `(make)Catalogue of Rules').
#
# A better approach would be to write an Autoconf test
# (i.e. AC_PROG_FPP) for a Fortran 77 preprocessor, because not all
# Fortran 77 compilers know how to do preprocessing. The Autoconf macro
# AC_PROG_FPP should test the Fortran 77 compiler first for
# preprocessing capabilities, and then fall back on cpp (if cpp were
# available).
sub lang_ppf77_finish
{
local ($ext) = 'F';
last unless $extension_seen{$ext};
$ext = '.' . $ext;
push (@suffixes, $ext);
local ($ltcompile, $ltlink) = &libtool_compiler;
&define_configure_variable ('FFLAGS');
&define_compiler_variable ('F77COMPILE', $ltcompile,
'$(F77) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_FFLAGS) $(FFLAGS)');
&define_variable ('F77LD', '$(F77)');
&define_variable ('F77LINK', $ltlink . '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
$output_rules .= ("$ext.o:\n"
. "\t\$(F77COMPILE) -c \$<\n");
# FIXME: Using cygpath should be somehow conditional.
$output_rules .= ("$ext.obj:\n"
. "\t\$(F77COMPILE) -c `cygpath -w \$<`\n")
if ($seen_objext);
$output_rules .= ("$ext.lo:\n"
. "\t\$(LTF77COMPILE) -c \$<\n")
if ($seen_libtool);
# We also handle the case of preprocessing `.F' files into `.f'
# files.
$output_rules .= ("$ext.f:\n"
. "\t\$(F77COMPILE) -F \$<\n");
if (! defined $configure_vars{'F77'})
{
&am_error ("Fortran 77 source seen but \`F77' not defined in \`configure.in'");
}
}
sub lang_ratfor_finish
{
local ($ext) = 'r';
last unless $extension_seen{$ext};
$ext = '.' . $ext;
push (@suffixes, $ext);
local ($ltcompile, $ltlink) = &libtool_compiler;
&define_configure_variable ('FFLAGS');
&define_configure_variable ('RFLAGS');
&define_variable ('RCOMPILE', $ltcompile,
'$(F77) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS)');
&define_variable ('F77LD', '$(F77)');
&define_variable ('F77LINK', $ltlink . '$(F77LD) $(AM_FFLAGS) $(FFLAGS) $(AM_RFLAGS) $(RFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
$output_rules .= ("$ext.o:\n"
. "\t\$(RCOMPILE) -c \$<\n");
# FIXME: Using cygpath should be somehow conditional.
$output_rules .= ("$ext.obj:\n"
. "\t\$(RCOMPILE) -c `cygpath -w \$<`\n")
if ($seen_objext);
$output_rules .= ("$ext.lo:\n"
. "\t\$(LTRCOMPILE) -c \$<\n")
if ($seen_libtool);
# We also handle the case of preprocessing `.r' files into `.f'
# files.
$output_rules .= ("$ext.f:\n"
. "\t\$(RCOMPILE) -F \$<\n");
if (! defined $configure_vars{'F77'})
{
&am_error ("Ratfor source seen but \`F77' not defined in \`configure.in'");
}
}
sub lang_objc_finish
{
push (@suffixes, '.m');
local ($ltcompile, $ltlink) = &libtool_compiler;
&define_configure_variable ("OBJCFLAGS");
&define_compiler_variable ('OBJCCOMPILE', $ltcompile,
'$(OBJC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_OBJCFLAGS) $(OBJCFLAGS)');
&define_variable ('OBJCLD', '$(OBJC)');
&define_variable ('OBJCLINK', $ltlink . '$(OBJCLD) $(AM_OBJCFLAGS) $(OBJCFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@');
$output_rules .= (".m.o:\n"
. "\t\$(OBJCCOMPILE) -c \$<\n");
# FIXME: Using cygpath should be somehow conditional.
$output_rules .= (".m.obj:\n"
. "\t\$(OBJCCOMPILE) -c `cygpath -w \$<`\n")
if ($seen_objext);
$output_rules .= (".m.lo:\n"
. "\t\$(LTOBJCCOMPILE) -c \$<\n")
if ($seen_libtool);
if (! defined $configure_vars{'OBJC'})
{
&am_error ("Objective C source seen but \`OBJC' not defined in \`configure.in'");
}
}
# A helper which computes a sorted list of all extensions for LANG.
sub lang_extensions
{
local ($lang) = @_;
local ($key, @r);
foreach $key (sort keys %extension_seen)
{
push (@r, '.' . $key) if $extension_map{$key} eq $lang;
}
return @r;
}
# A helper which decides whether libtool is needed. Returns prefix
# for compiler and linker.
sub libtool_compiler
{
local ($ltcompile, $ltlink) = ('', '');
if ($seen_libtool)
{
&define_configure_variable ("LIBTOOL");
$ltcompile = '$(LIBTOOL) --mode=compile ';
$ltlink = '$(LIBTOOL) --mode=link ';
}
return ($ltcompile, $ltlink);
}
# Given a hash table of linker names, pick the name that has the most
# precedence. This is lame, but something has to have global
# knowledge in order to eliminate the conflict. Add more linkers as
# required.
sub resolve_linker
{
local (%linkers) = @_;
return 'CXXLINK'
if defined $linkers{'CXXLINK'};
return 'F77LINK'
if defined $linkers{'F77LINK'};
return 'OBJCLINK'
if defined $linkers{'OBJCLINK'};
return 'LINK';
}
# Called to indicate that an extension was used.
sub saw_extension
{
local ($ext) = @_;
$extension_seen{$ext} = 1;
}
# Called to ask whether source files have been seen . If HEADERS is 1,
# headers can be included.
sub saw_sources_p
{
local ($headers) = @_;
if ($headers)
{
$headers = 0;
}
else
{
$headers = defined $extension_seen{'header'};
}
return scalar keys %extension_seen > $headers;
}
# Register a single language. If LINKER is the empty string, it means
# to use the C linker. DEANSI_P should only be 1 for languages where
# de-ansi-fication makes sense (i.e., C). EXTENSIONS is a list of
# file extensions to match (no `.' included).
sub register_language
{
local ($language, $linker, $deansi_p, @extensions) = @_;
local ($iter);
foreach $iter (@extensions)
{
if (defined $extension_map{$iter})
{
print STDERR
"automake: programming error: duplicate extension $iter\n";
exit 1;
}
$extension_map{$iter} = $language;
}
$language_map{$language . '-ansi-p'} = $deansi_p;
$language_map{$language . '-linker'} = $linker;
}
################################################################
# Pretty-print something. HEAD is what should be printed at the
# beginning of the first line, FILL is what should be printed at the
# beginning of every subsequent line.
sub pretty_print_internal
{
local ($head, $fill, @values) = @_;
local ($column) = length ($head);
local ($result) = $head;
# Fill length is number of characters. However, each Tab
# character counts for eight. So we count the number of Tabs and
# multiply by 7.
local ($fill_length) = length ($fill);
$fill_length += 7 * ($fill =~ tr/\t/\t/d);
local ($bol) = ($head eq '');
foreach (@values)
{
# "71" because we also print a space.
if ($column + length ($_) > 71)
{
$result .= " \\\n" . $fill;
$column = $fill_length;
$bol = 1;
}
$result .= ' ' unless ($bol);
$result .= $_;
$column += length ($_) + 1;
$bol = 0;
}
$result .= "\n";
return $result;
}
# Pretty-print something and append to output_vars.
sub pretty_print
{
$output_vars .= &pretty_print_internal (@_);
}
# Pretty-print something and append to output_rules.
sub pretty_print_rule
{
$output_rules .= &pretty_print_internal (@_);
}
################################################################
# See if a target exists.
sub target_defined
{
local ($target) = @_;
return defined $targets{$target};
}
# See if two conditionals are the same.
sub conditional_same
{
local ($cond1, $cond2) = @_;
return (&conditional_true_when ($cond1, $cond2)
&& &conditional_true_when ($cond2, $cond1));
}
# See if a conditional is true. Both arguments are conditional
# strings. This returns true if the first conditional is true when
# the second conditional is true.
sub conditional_true_when
{
local ($cond, $when) = @_;
# Check the easy case first.
if ($cond eq $when)
{
return 1;
}
# Check each component of $cond, which looks @COND1@@COND2@.
foreach $comp (split ('@', $cond))
{
# The way we split will give null strings between each
# condition.
next if ! $comp;
if (index ($when, '@' . $comp . '@') == -1)
{
return 0;
}
}
return 1;
}
# Check for an ambiguous conditional. This is called when a variable
# or target is being defined conditionally. If we already know about
# a definition that is true under the same conditions, then we have an
# ambiguity.
sub check_ambiguous_conditional
{
local ($var_name, $cond) = @_;
local (@cond_vals) = split (' ', $conditional{$var_name});
while (@cond_vals)
{
local ($vcond) = shift (@cond_vals);
shift (@cond_vals);
if (&conditional_true_when ($vcond, $cond)
|| &conditional_true_when ($cond, $vcond))
{
&am_line_error ($var_name,
"$var_name multiply defined in condition");
}
}
}
# See if a variable exists. The first argument is the variable name,
# and the optional second argument is the condition which we should
# check. If no condition is given, we currently return true if the
# variable is defined under any condition.
sub variable_defined
{
local ($var, $cond) = @_;
if (defined $targets{$var})
{
&am_line_error ($var, "\`$var' is target; expected variable");
return 0;
}
elsif (defined $contents{$var})
{
if ($cond && $conditional{$var})
{
# We have been asked to check for a particular condition,
# and the variable is defined conditionally. We need to
# look through the conditions under which the variable is
# defined, and see if any of them match the conditional we
# have been asked to check.
local (@cond_vars) = split (' ', $conditional{$var});
while (@cond_vars)
{
if (&conditional_same ($cond, shift (@cond_vars)))
{
# Even a conditional examination is good enough
# for us. FIXME: really should maintain examined
# status on a per-condition basis.
$content_seen{$var} = 1;
return 1;
}
shift (@cond_vars);
}
# The variable is not defined for the given condition.
return 0;
}
$content_seen{$var} = 1;
return 1;
}
return 0;
}
# Mark a variable as examined.
sub examine_variable
{
local ($var) = @_;
&variable_defined ($var);
}
# Quote a value in order to put it in $conditional. We need to quote
# spaces, and we need to handle null strings, so that we can later
# retrieve values by splitting on space.
sub quote_cond_val
{
local ($val) = @_;
$val =~ s/ /\001/g;
$val =~ s/\t/\003/g;
$val = "\002" if $val eq '';
return $val;
}
# Unquote a value in $conditional.
sub unquote_cond_val
{
local ($val) = @_;
$val =~ s/\001/ /g;
$val =~ s/\003/\t/g;
$val =~ s/\002//g;
return $val;
}
# Return the set of conditions for which a variable is defined.
# If the variable is not defined conditionally, and is not defined in
# terms of any variables which are defined conditionally, then this
# returns the empty list.
# If the variable is defined conditionally, but is not defined in
# terms of any variables which are defined conditionally, then this
# returns the list of conditions for which the variable is defined.
# If the variable is defined in terms of any variables which are
# defined conditionally, then this returns a full set of permutations
# of the subvariable conditions. For example, if the variable is
# defined in terms of a variable which is defined for @COND_TRUE@,
# then this returns both @COND_TRUE@ and @COND_FALSE@. This is
# because we will need to define the variable under both conditions.
sub variable_conditions
{
local ($var) = @_;
local (%uniqify);
local (@uniq_list);
local ($cond);
%vars_scanned = ();
foreach $cond (&variable_conditions_sub ($var, '', ()))
{
$uniqify{$cond} = 1;
}
@uniq_list = sort keys %uniqify;
# Note we cannot just do `return sort keys %uniqify', because this
# function is sometimes used in a scalar context.
return @uniq_list;
}
# A subroutine of variable_conditions. We only return conditions
# which are true for all the conditions in @PARENT_CONDS.
sub variable_conditions_sub
{
local ($var, $parent, @parent_conds) = @_;
local (@new_conds) = ();
if (defined $vars_scanned{$var})
{
&am_line_error ($parent, "variable \`$var' recursively defined");
return ();
}
$vars_scanned{$var} = 1;
if (! $conditional{$var})
{
foreach (split (' ', $contents{$var}))
{
# If a comment seen, just leave.
last if /^#/;
# Handle variable substitutions.
if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
{
push (@new_conds,
&variable_conditions_sub ($1, $var, @parent_conds));
}
}
# Now we want to return all permutations of the subvariable
# conditions.
local (%allconds, $item);
foreach $item (@new_conds)
{
foreach (split ('@', $item))
{
next if ! $_;
s/_(TRUE|FALSE)$//;
$allconds{$_ . '_TRUE'} = 1;
}
}
# Unset our entry in vars_scanned. We only care about recursive
# definitions.
delete $vars_scanned{$var};
return &variable_conditions_permutations (sort keys %allconds);
}
local (@this_conds) = ();
local (@condvals) = split (' ', $conditional{$var});
while (@condvals)
{
local ($cond) = shift (@condvals);
local ($val) = &unquote_cond_val (shift (@condvals));
if (@parent_conds)
{
local ($ok) = 1;
local ($parent_cond);
foreach $parent_cond (@parent_conds)
{
if (! &conditional_true_when ($parent_cond, $cond))
{
$ok = 0;
last;
}
}
next if ! $ok;
}
push (@this_conds, $cond);
push (@parent_conds, $cond);
local (@subvar_conds) = ();
foreach (split (' ', $val))
{
# If a comment seen, just leave.
last if /^#/;
# Handle variable substitutions.
if (/^\$\{(.*)\}$/ || /^\$\((.*)\)$/)
{
push (@subvar_conds,
&variable_conditions_sub ($1, $var, @parent_conds));
}
}
pop (@parent_conds);
# If there are no conditional subvariables, then we want to
# return this condition. Otherwise, we want to return the
# permutations of the subvariables.
if (! @subvar_conds)
{
push (@new_conds, $cond);
}
else
{
push (@new_conds, &variable_conditions_reduce (@subvar_conds));
}
}
# Unset our entry in vars_scanned. We only care about recursive
# definitions.
delete $vars_scanned{$var};
return @new_conds
if ! $parent;
# If we are being called on behalf of another variable, we need to
# return all possible permutations of the conditions. We have
# already handled everything in @this_conds along with their
# subvariables. We now need to add any permutations that are not
# in @this_conds.
local ($this_cond);
foreach $this_cond (@this_conds)
{
local (@perms) =
&variable_conditions_permutations (split('@', $this_cond));
local ($perm);
foreach $perm (@perms)
{
local ($scan);
local ($ok) = 1;
foreach $scan (@this_conds)
{
if (&conditional_true_when ($perm, $scan)
|| &conditional_true_when ($scan, $perm))
{
$ok = 0;
last;
}
}
next if ! $ok;
if (@parent_conds)
{
local ($ok) = 1;
local ($parent_cond);
foreach $parent_cond (@parent_conds)
{
if (! &conditional_true_when ($parent_cond, $perm))
{
$ok = 0;
last;
}
}
next if ! $ok;
}
# This permutation was not already handled, and is valid
# for the parents.
push (@new_conds, $perm);
}
}
return @new_conds;
}
# Subroutine for variable_conditions_sort
sub variable_conditions_cmp
{
local ($as) = $a;
$as =~ s/[^@]//g;
local ($bs) = $b;
$bs =~ s/[^@]//g;
return (length ($as) <=> length ($bs)
|| $a cmp $b);
}
# Sort a list of conditionals so that only the exclusive ones are
# retained. For example, if both @COND1_TRUE@@COND2_TRUE@ and
# @COND1_TRUE@ are in the list, discard the latter.
sub variable_conditions_reduce
{
local (@conds) = @_;
local (@ret) = ();
local ($cond);
foreach $cond (sort variable_conditions_cmp @conds)
{
local ($ok) = 1;
local ($scan);
foreach $scan (@ret)
{
if (&conditional_true_when ($cond, $scan))
{
$ok = 0;
last;
}
}
next if ! $ok;
push (@ret, $cond);
}
return @ret;
}
# Return a list of permutations of a conditional string.
sub variable_conditions_permutations
{
local (@comps) = @_;
return ()
if ! @comps;
local ($comp) = shift (@comps);
return &variable_conditions_permutations (@comps)
if $comp eq '';
local ($neg) = $comp;
$neg =~ s/TRUE$/TRUEO/;
$neg =~ s/FALSE$/TRUE/;
$neg =~ s/TRUEO$/FALSE/;
local (@ret);
local ($sub);
foreach $sub (&variable_conditions_permutations (@comps))
{
push (@ret, '@' . $comp . '@' . $sub);
push (@ret, '@' . $neg . '@' . $sub);
}
if (! @ret)
{
push (@ret, '@' . $comp . '@');
push (@ret, '@' . $neg . '@');
}
return @ret;
}
# Warn if a variable is conditionally defined. This is called if we
# are using the value of a variable.
sub variable_conditionally_defined
{
local ($var, $parent) = @_;
if ($conditional{$var})
{
if ($parent)
{
&am_line_error ($parent,
"warning: automake does not support conditional definition of $var in $parent");
}
else
{
&am_line_error ($parent,
"warning: automake does not support $var being defined conditionally")
}
}
}
# Get the value of a variable. This just returns $contents, but warns
# if the variable is conditionally defined.
sub variable_value
{
local ($var) = @_;
&variable_conditionally_defined ($var);
return $contents{$var};
}
# Convert a variable value to a list, split as whitespace. This will
# recursively follow $(...) and ${...} inclusions. It preserves @...@
# substitutions. If COND is 'all', then all values under all
# conditions should be returned; if COND is a particular condition
# (all conditions are surrounded by @...@) then only the value for
# that condition should be returned; otherwise, warn if VAR is
# conditionally defined. SCANNED is a global hash listing whose keys
# are all the variables already scanned; it is an error to rescan a
# variable.
sub value_to_list
{
local ($var, $val, $cond) = @_;
local (@result);
foreach (split (' ', $val))
{
# If a comment seen, just leave.
last if /^#/;
# Handle variable substitutions.
if (/^\$\{([^}]*)\}$/ || /^\$\(([^)]*)\)$/)
{
local ($varname) = $1;
# If the user uses a losing variable name, just ignore it.
# This isn't ideal, but people have requested it.
next if ($varname =~ /\@.*\@/);
local ($from, $to);
local (@temp_list);
if ($varname =~ /^([^:]*):([^=]*)=(.*)$/)
{
$varname = $1;
$to = $3;
($from = $2) =~ s/(\W)/\\$1/g;
}
# Find the value.
@temp_list = &variable_value_as_list_worker ($1, $cond, $var);
# Now rewrite the value if appropriate.
if ($from)
{
grep (s/$from$/$to/, @temp_list);
}
push (@result, @temp_list);
}
else
{
push (@result, $_);
}
}
return @result;
}
# Return contents of variable as list, split as whitespace. This will
# recursively follow $(...) and ${...} inclusions. It preserves @...@
# substitutions. If COND is 'all', then all values under all
# conditions should be returned; if COND is a particular condition
# (all conditions are surrounded by @...@) then only the value for
# that condition should be returned; otherwise, warn if VAR is
# conditionally defined. If PARENT is specified, it is the name of
# the including variable; this is only used for error reports.
sub variable_value_as_list_worker
{
local ($var, $cond, $parent) = @_;
local (@result);
if (defined $targets{$var})
{
&am_line_error ($var, "\`$var' is target; expected variable");
}
elsif (! defined $contents{$var})
{
&am_line_error ($parent, "variable \`$var' not defined");
}
elsif (defined $vars_scanned{$var})
{
# `vars_scanned' is a global we use to keep track of which
# variables we've already examined.
&am_line_error ($parent, "variable \`$var' recursively defined");
}
elsif ($cond eq 'all' && $conditional{$var})
{
$vars_scanned{$var} = 1;
local (@condvals) = split (' ', $conditional{$var});
while (@condvals)
{
shift (@condvals);
local ($val) = &unquote_cond_val (shift (@condvals));
push (@result, &value_to_list ($var, $val, $cond));
}
}
elsif ($cond && $conditional{$var})
{
$vars_scanned{$var} = 1;
local (@condvals) = split (' ', $conditional{$var});
local ($onceflag);
while (@condvals)
{
local ($vcond) = shift (@condvals);
local ($val) = &unquote_cond_val (shift (@condvals));
if (&conditional_true_when ($vcond, $cond))
{
# Warn if we have an ambiguity. It's hard to know how
# to handle this case correctly.
&variable_conditionally_defined ($var, $parent)
if $onceflag;
$onceflag = 1;
push (@result, &value_to_list ($var, $val, $cond));
}
}
}
else
{
$vars_scanned{$var} = 1;
&variable_conditionally_defined ($var, $parent);
$content_seen{$var} = 1;
push (@result, &value_to_list ($var, $contents{$var}, $cond));
}
# Unset our entry in vars_scanned. We only care about recursive
# definitions.
delete $vars_scanned{$var};
return @result;
}
# This is just a wrapper for variable_value_as_list_worker that
# initializes the global hash `vars_scanned'. This hash is used to
# avoid infinite recursion.
sub variable_value_as_list
{
local ($var, $cond, $parent) = @_;
%vars_scanned = ();
return &variable_value_as_list_worker ($var, $cond, $parent);
}
# Define a new variable, but only if not already defined.
sub define_variable
{
local ($var, $value) = @_;
if (! defined $contents{$var})
{
$output_vars .= $var . ' = ' . $value . "\n";
$contents{$var} = $value;
$content_seen{$var} = 1;
}
elsif ($var_was_plus_eq{$var})
{
&am_line_error ($var, "internally generated variable \`$var' was set with \`+='");
}
}
# Like define_variable, but the value is a list, and the variable may
# be defined conditionally. The second argument is the conditional
# under which the value should be defined; this should be the empty
# string to define the variable unconditionally. The third argument
# is a list holding the values to use for the variable. The value is
# pretty printed in the output file.
sub define_pretty_variable
{
local ($var, $cond, @value) = @_;
if (! defined $contents{$var}
|| ($cond && ! &variable_defined ($var, $cond)))
{
$contents{$var} = join (' ', @value);
if ($cond)
{
if ($conditional{$var})
{
$conditional{$var} .= ' ';
}
else
{
$conditional{$var} = '';
}
$conditional{$var} .= ($cond
. ' '
. &quote_cond_val ($contents{$var}));
}
&pretty_print ($cond . $var . ' = ', $cond, @value);
$content_seen{$var} = 1;
}
}
# Like define_variable, but define a variable to be the configure
# substitution by the same name.
sub define_configure_variable
{
local ($var) = @_;
local ($value) = '@' . $var . '@';
&define_variable ($var, $value);
}
# Define a compiler variable. We also handle defining the `LT'
# version of the command when using libtool.
sub define_compiler_variable
{
local ($var, $ltcompile, $value) = @_;
local ($name) = $var;
&define_variable ($name, $value);
&define_variable ('LT' . $name, $ltcompile . $value)
if $seen_libtool;
}
# Define a variable that represents a program to run. If in Cygnus
# mode, the program is searched for in the build (or source) tree.
# Otherwise no searching is done at all. Arguments are:
# * VAR Name of variable to define
# * WHATDIR Either `src' or `build', depending on where program should
# be found. (runtest is in srcdir!)
# * SUBDIR Subdir of top-level dir
# * PROGRAM Name of program
# * OVERRIDE If specified, the name of the program to use when not in
# Cygnus mode. Defaults to PROGRAM.
sub define_program_variable
{
local ($var, $whatdir, $subdir, $program, $override) = @_;
if (! $override)
{
$override = $program;
}
if ($cygnus_mode)
{
local ($full) = ('$(top_' . $whatdir . 'dir)/../'
. $subdir . '/' . $program);
&define_variable ($var, ('`if test -f ' . $full
. '; then echo ' . $full . '; else echo '
. $program . '; fi`'));
}
else
{
&define_variable ($var, $override);
}
}
################################################################
# Read Makefile.am and set up %contents. Simultaneously copy lines
# from Makefile.am into $output_trailer or $output_vars as
# appropriate. NOTE we put rules in the trailer section. We want
# user rules to come after our generated stuff.
sub read_am_file
{
local ($amfile) = @_;
local (*AM_FILE);
open (AM_FILE, $amfile) || die "automake: couldn't open \`$amfile': $!\n";
print "automake: reading $amfile\n" if $verbose;
local ($saw_bk) = 0;
local ($was_rule) = 0;
local ($spacing) = '';
local ($comment) = '';
local ($last_var_name) = '';
local ($blank) = 0;
while (<AM_FILE>)
{
if (/$IGNORE_PATTERN/o)
{
# Merely delete comments beginning with two hashes.
}
elsif (/$WHITE_PATTERN/o)
{
# Stick a single white line before the incoming macro or rule.
$spacing = "\n";
$blank = 1;
}
elsif (/$COMMENT_PATTERN/o)
{
# Stick comments before the incoming macro or rule. Make
# sure a blank line preceeds first block of comments.
$spacing = "\n" unless $blank;
$blank = 1;
$comment .= $spacing . $_;
$spacing = '';
}
else
{
last;
}
}
$output_vars .= $comment . "\n";
$comment = '';
$spacing = "\n";
local ($is_ok_macro);
while ($_)
{
$_ .= "\n"
unless substr ($_, -1, 1) eq "\n";
# Don't look at MAINTAINER_MODE_TRUE here. That shouldn't be
# used by users. @MAINT@ is an anachronism now.
$_ =~ s/\@MAINT\@//g
unless $seen_maint_mode;
if (/$IGNORE_PATTERN/o)
{
# Merely delete comments beginning with two hashes.
}
elsif (/$WHITE_PATTERN/o)
{
# Stick a single white line before the incoming macro or rule.
$spacing = "\n";
&am_line_error ($., "blank line following trailing backslash")
if $saw_bk;
}
elsif (/$COMMENT_PATTERN/o)
{
# Stick comments before the incoming macro or rule.
$comment .= $spacing . $_;
$spacing = '';
&am_line_error ($., "comment following trailing backslash")
if $saw_bk;
}
elsif ($saw_bk)
{
if ($was_rule)
{
$output_trailer .= join ('', @conditional_stack) . $_;
$saw_bk = /\\$/;
}
else
{
$saw_bk = /\\$/;
# Chop newline and backslash if this line is
# continued. ensure trailing whitespace exists.
chop if $saw_bk;
chop if $saw_bk;
$contents{$last_var_name} .= ' '
unless $contents{$last_var_name} =~ /\s$/;
$contents{$last_var_name} .= $_;
if (@conditional_stack)
{
$conditional{$last_var_name} .= &quote_cond_val ($_);
}
}
}
elsif (/$IF_PATTERN/o)
{
&am_line_error ($., "$1 does not appear in AM_CONDITIONAL")
if (! $configure_cond{$1});
push (@conditional_stack, "\@" . $1 . "_TRUE\@");
}
elsif (/$ELSE_PATTERN/o)
{
if (! @conditional_stack)
{
&am_line_error ($., "else without if");
}
elsif ($conditional_stack[$#conditional_stack] =~ /_FALSE\@$/)
{
&am_line_error ($., "else after else");
}
else
{
$conditional_stack[$#conditional_stack]
=~ s/_TRUE\@$/_FALSE\@/;
}
}
elsif (/$ENDIF_PATTERN/o)
{
if (! @conditional_stack)
{
&am_line_error ($., "endif without if");
}
else
{
pop @conditional_stack;
}
}
elsif (/$RULE_PATTERN/o)
{
# Found a rule.
$was_rule = 1;
if (defined $contents{$1}
&& (@conditional_stack
? ! defined $conditional{$1}
: defined $conditional{$1}))
{
&am_line_error ($1,
"$1 defined both conditionally and unconditionally");
}
# Value here doesn't matter; for targets we only note
# existence.
$contents{$1} = 1;
$targets{$1} = 1;
local ($cond_string) = join ('', @conditional_stack);
if (@conditional_stack)
{
if ($conditional{$1})
{
&check_ambiguous_conditional ($1, $cond_string);
$conditional{$1} .= ' ';
}
else
{
$conditional{$1} = '';
}
$conditional{$1} .= $cond_string . ' 1';
}
$content_lines{$1} = $.;
$output_trailer .= $comment . $spacing . $cond_string . $_;
$comment = $spacing = '';
$saw_bk = /\\$/;
# Check the rule for being a suffix rule. If so, store in
# a hash.
local ($source_suffix);
local ($object_suffix);
if (($source_suffix, $object_suffix) = ($1 =~ $SUFFIX_RULE_PATTERN))
{
$suffix_rules{$source_suffix} = $object_suffix;
print "Sources ending in .$source_suffix become .$object_suffix\n" if $verbose;
$source_suffix_pattern = "(" . join('|', keys %suffix_rules) . ")";
}
# FIXME: make sure both suffixes are in SUFFIXES? Or set
# SUFFIXES from suffix_rules?
}
elsif (($is_ok_macro = /$MACRO_PATTERN/o)
|| /$BOGUS_MACRO_PATTERN/o)
{
# Found a macro definition.
$was_rule = 0;
$last_var_name = $1;
if (defined $contents{$1}
&& (@conditional_stack
? ! defined $conditional{$1}
: defined $conditional{$1}))
{
&am_line_error ($1,
"$1 defined both conditionally and unconditionally");
}
local ($value);
if ($3 ne '' && substr ($3, -1) eq "\\")
{
$value = substr ($3, 0, length ($3) - 1);
}
else
{
$value = $3;
}
local ($type) = $2;
if (! defined $contents{$last_var_name})
{
# The first assignment to a macro sets the line
# number. Ideally I suppose we would associate line
# numbers with random bits of text.
$content_lines{$last_var_name} = $.;
# If first assignment, set `+=' indicator.
$var_was_plus_eq{$last_var_name} =
($type eq '+'
&& ! defined $am_var_defs{$last_var_name});
}
if ($type eq '+')
{
if (! defined $contents{$last_var_name}
&& defined $am_var_defs{$last_var_name})
{
$contents{$last_var_name} = $am_var_defs{$last_var_name};
}
$contents{$last_var_name} .= ' ' . $value;
}
else
{
$contents{$last_var_name} = $value;
}
local ($cond_string) = join ('', @conditional_stack);
if (@conditional_stack)
{
local ($found) = 0;
local ($val);
if ($conditional{$last_var_name})
{
if ($type eq '+')
{
# If we're adding to the conditional, and it
# exists, then we might want to simply replace
# the old value with the new one.
local (@new_vals, @cond_vals);
@cond_vals = split (' ', $conditional{$last_var_name});
while (@cond_vals)
{
local ($vcond) = shift (@cond_vals);
push (@new_vals, $vcond);
if (&conditional_same ($vcond, $cond_string))
{
$found = 1;
$val = (&unquote_cond_val (shift (@cond_vals))
. ' ' . $value);
push (@new_vals, &quote_cond_val ($val));
}
else
{
push (@new_vals, shift (@cond_vals));
}
}
if ($found)
{
$conditional{$last_var_name}
= join (' ', @new_vals);
}
}
if (! $found)
{
&check_ambiguous_conditional ($last_var_name,
$cond_string);
$conditional{$last_var_name} .= ' ';
$val = $value;
}
}
else
{
$conditional{$last_var_name} = '';
$val = $contents{$last_var_name};
}
if (! $found)
{
$conditional{$last_var_name} .= ($cond_string
. ' '
. &quote_cond_val ($val));
}
}
# FIXME: this doesn't always work correctly; it will group
# all comments for a given variable, no matter where
# defined.
$am_vars{$last_var_name} = $comment . $spacing;
$def_type{$last_var_name} = ($type eq ':') ? ':' : '';
push (@var_list, $last_var_name);
$comment = $spacing = '';
$saw_bk = /\\$/;
# Error if bogus.
&am_line_error ($., "bad macro name \`$last_var_name'")
if ! $is_ok_macro;
}
elsif (/$INCLUDE_PATTERN/o)
{
local ($path) = $1;
if ($path =~ s/^\$\(top_srcdir\)\///)
{
push (@include_stack, "\$\(top_srcdir\)/$path");
}
else
{
$path =~ s/\$\(srcdir\)\///;
push (@include_stack, "\$\(srcdir\)/$path");
$path = $relative_dir . "/" . $path;
}
&read_am_file ($path);
}
else
{
# This isn't an error; it is probably a continued rule.
# In fact, this is what we assume.
$was_rule = 1;
$output_trailer .= ($comment . $spacing
. join ('', @conditional_stack) . $_);
$comment = $spacing = '';
$saw_bk = /\\$/;
}
$_ = <AM_FILE>;
}
$output_trailer .= $comment;
&am_error ("unterminated conditionals: " . join (' ', @conditional_stack))
if (@conditional_stack);
}
# A helper for read_main_am_file which initializes configure variables
# and variables from header-vars.am. This is a subr so we can call it
# twice.
sub define_standard_variables
{
# Compute relative location of the top object directory.
local (@topdir) = ();
foreach (split (/\//, $relative_dir))
{
next if $_ eq '.' || $_ eq '';
if ($_ eq '..')
{
pop @topdir;
}
else
{
push (@topdir, '..');
}
}
@topdir = ('.') if ! @topdir;
$top_builddir = join ('/', @topdir);
local ($build_rx);
($build_rx = $top_builddir) =~ s/(\W)/\\$1/g;
$output_vars .= &file_contents_with_transform
('s/\@top_builddir\@/' . $build_rx . '/g;',
'header-vars');
# Generate some useful variables when AC_CANONICAL_* used. FIXME:
# this should use generic %configure_vars method.
if ($seen_canonical)
{
local ($curs, %vars);
$vars{'host_alias'} = 'host_alias';
$vars{'host_triplet'} = 'host';
if ($seen_canonical == $AC_CANONICAL_SYSTEM)
{
$vars{'build_alias'} = 'build_alias';
$vars{'build_triplet'} = 'build';
$vars{'target_alias'} = 'target_alias';
$vars{'target_triplet'} = 'target';
}
foreach $curs (sort keys %vars)
{
$output_vars .= "$curs = \@$vars{$curs}\@\n";
$contents{$curs} = "\@$vars{$curs}\@";
}
}
local ($curs);
foreach $curs (sort keys %configure_vars)
{
&define_configure_variable ($curs);
}
}
# Read main am file.
sub read_main_am_file
{
local ($amfile) = @_;
# The keys here are variables we want to dump at the end of this
# function. The values are corresponding comments.
local (%am_vars) = ();
local (@var_list) = ();
local (%def_type) = ();
# We want to predefine as many variables as possible. This lets
# the user set them with `+=' in Makefile.am. However, we don't
# want these initial definitions to end up in the output quite
# yet. So we adopt a hack: read the `.am' file twice, throwing
# away the output the first time. We also squirrel away a list of
# all the variables defined by the .am file so that we know which
# ones to remove from the content list.
# First pass.
&define_standard_variables;
local (%saved_contents) = %contents;
# Read user file, but discard text of variable assignments we just
# made.
$output_vars = '';
&read_am_file ($amfile);
# Now dump the variables that were defined. We do it in the same
# order in which they were defined (skipping duplicates).
local (%done);
foreach $curs (@var_list)
{
next if $done{$curs};
$done{$curs} = 1;
$output_vars .= $am_vars{$curs};
if ($conditional{$curs})
{
local (@cond_vals) = split (' ', $conditional{$curs});
while (@cond_vals)
{
local ($vcond) = shift (@cond_vals);
local ($val) = &unquote_cond_val (shift (@cond_vals));
$output_vars .= ($vcond . $curs
. ' ' . $def_type{$curs} . '= '
. $val . "\n");
}
}
else
{
$output_vars .= ($curs . ' ' . $def_type{$curs} . '= '
. $contents{$curs} . "\n");
}
}
# Generate copyright header for generated Makefile.in.
local ($ov) = $output_vars;
$output_vars = ("# $in_file_name generated automatically by automake "
. $VERSION . " from $am_file_name\n");
$output_vars .= $gen_copyright;
# Now go through and delete all the variables that the user did
# not change.
local ($var);
foreach $var (keys %saved_contents)
{
if ($contents{$var} eq $saved_contents{$var})
{
delete $contents{$var};
}
}
# Re-read the standard variables, and this time keep their
# contributions to the output. Then add the user's output to the
# end.
&define_standard_variables;
$output_vars .= $ov;
}
################################################################
sub initialize_global_constants
{
# Values for AC_CANONICAL_*
$AC_CANONICAL_HOST = 1;
$AC_CANONICAL_SYSTEM = 2;
# Associative array of standard directory names. Entry is TRUE if
# corresponding directory should be installed during
# 'install-exec' phase.
%exec_dir_p =
('bin', 1,
'sbin', 1,
'libexec', 1,
'data', 0,
'sysconf', 1,
'localstate', 1,
'lib', 1,
'info', 0,
'man', 0,
'include', 0,
'oldinclude', 0,
'pkgdata', 0,
'pkglib', 1,
'pkginclude', 0
);
# Commonly found files we look for and automatically include in
# DISTFILES.
@common_files =
(
"README", "THANKS", "TODO", "NEWS", "COPYING", "COPYING.LIB",
"INSTALL", "ABOUT-NLS", "ChangeLog", "configure", "configure.in",
"config.guess", "config.sub", "AUTHORS", "BACKLOG", "ABOUT-GNU",
"libversion.in", "mdate-sh", "mkinstalldirs", "install-sh",
'texinfo.tex', "ansi2knr.c", "ansi2knr.1", 'elisp-comp',
'ylwrap', 'acinclude.m4', @libtoolize_files,
'missing'
);
# Commonly used files we auto-include, but only sometimes.
@common_sometimes =
(
"aclocal.m4", "acconfig.h", "config.h.top",
"config.h.bot", "stamp-h.in", 'stamp-vti'
);
$USAGE = "\
-a, --add-missing add missing standard files to package
--amdir=DIR directory storing config files
--build-dir=DIR directory where build being done (for dependencies)
-c, --copy with -a, copy missing files (default is symlink)
--cygnus assume program is part of Cygnus-style tree
--foreign set strictness to foreign
--gnits set strictness to gnits
--gnu set strictness to gnu
--help print this help, then exit
-i, --include-deps include generated dependencies in Makefile.in
--no-force only update Makefile.in's that are out of date
-o DIR, --output-dir=DIR
put generated Makefile.in's into DIR
--srcdir-name=DIR name used for srcdir (for dependencies)
-v, --verbose verbosely list files processed
--version print version number, then exit\n";
# Copyright on generated Makefile.ins.
$gen_copyright = "\
# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
";
# Ignore return result from chmod, because it might give an error
# if we chmod a symlink.
$dist_header = "\t" . '-chmod -R a+r $(distdir)' . "\n";
$dist{'dist-bzip2'} = ("\t"
. '$(TAR) ch$(AMTARFLAGS)f - $(distdir) | bzip --best -c > $(distdir).bz2'
. "\n");
$dist{'dist-tarZ'} = ("\t"
. '$(TAR) ch$(AMTARFLAGS)f - $(distdir) | compress -c > $(distdir).tar.Z'
. "\n");
$dist{'dist-shar'} = ("\t"
. 'shar $(distdir) | gzip > $(distdir).shar.gz'
. "\n");
$dist{'dist-zip'} = "\t" . 'zip -rq $(distdir).zip $(distdir)' . "\n";
$dist{'dist'} = ("\t"
. 'tar ch$(AMTARFLAGS)f - $(distdir) | GZIP=$(GZIP_ENV) gzip -c > $(distdir).tar.gz'
. "\n");
$dist_trailer = "\t" . '-rm -rf $(distdir)' . "\n";
}
# (Re)-Initialize per-Makefile.am variables.
sub initialize_per_input
{
# These two variables are used when generating each Makefile.in.
# They hold the Makefile.in until it is ready to be printed.
$output_rules = '';
$output_vars = '';
$output_trailer = '';
$output_all = '';
$output_header = '';
# Suffixes found during a run.
@suffixes = ();
# This holds the contents of a Makefile.am, as parsed by
# read_am_file.
%contents = ();
# This holds the names which are targets. These also appear in
# %contents.
%targets = ();
# This maps a variable name onto a flag. The flag is true iff the
# variable was first defined with `+='.
%var_was_plus_eq = ();
# This holds definitions of all variables defined in .am files.
# This is used during startup to determine which variables can be
# assigned with `+='.
%am_var_defs = ();
# For a variable or target which is defined conditionally, this
# holds an array of the conditional values. The array is composed
# of pairs of condition strings (the variables which configure
# will substitute) and values (the value of a target is
# meaningless). For an unconditional variable, this is empty.
%conditional = ();
# This holds the line numbers at which various elements of
# %contents are defined.
%content_lines = ();
# This holds a 1 if a particular variable was examined.
%content_seen = ();
# This is the conditional stack.
@conditional_stack = ();
# This holds the set of included files.
@include_stack = ();
# This holds the "relative directory" of the current Makefile.in.
# Eg for src/Makefile.in, this is "src".
$relative_dir = '';
# This holds a list of files that are included in the
# distribution.
%dist_common = ();
# List of dependencies for the obvious targets.
@install_data = ();
@install_exec = ();
@uninstall = ();
@installdirs = ();
@info = ();
@dvi = ();
@all = ();
@check = ();
@check_tests = ();
@installcheck = ();
@clean = ();
@phony = ();
# A list of files deleted by `maintainer-clean'.
@maintainer_clean_files = ();
# These are pretty obvious, too. They are used to define the
# SOURCES and OBJECTS variables.
@sources = ();
@objects = ();
# This hash maps object file names onto their corresopnding source
# file names. This is used to ensure that each object is created
# by a single source file.
%object_map = ();
# These variables track inclusion of various compile-related .am
# files. $included_generic_compile is TRUE if the basic code has
# been included. $included_knr_compile is TRUE if the ansi2knr
# code has been included. $included_libtool_compile is TRUE if
# libtool support has been included.
$included_generic_compile = 0;
$included_knr_compile = 0;
$included_libtool_compile = 0;
# TRUE if install targets should work recursively.
$recursive_install = 0;
# All .P files.
%dep_files = ();
# Strictness levels.
$strictness = $default_strictness;
$strictness_name = $default_strictness_name;
# Options from AUTOMAKE_OPTIONS.
%options = ();
# Whether or not dependencies are handled. Can be further changed
# in handle_options.
$use_dependencies = $cmdline_use_dependencies;
# Per Makefile.am.
$local_maint_charset = $maint_charset;
# All yacc and lex source filenames for this directory. Use
# filenames instead of raw count so that multiple instances are
# counted correctly (eg one yacc file can appear in multiple
# programs without harm).
%yacc_sources = ();
%lex_sources = ();
# This is a list of all targets to run during "make dist".
@dist_targets = ();
# Keys in this hash are the basenames of files which must depend
# on ansi2knr.
%de_ansi_files = ();
# This maps the source extension of a suffix rule to its
# corresponding output extension.
%suffix_rules = ();
# This is the name of the recursive `all' target to use.
$all_target = 'all-recursive';
# This keeps track of which extensions we've seen (that we care
# about).
%extension_seen = ();
# This is random scratch space for the language finish functions.
# Don't randomly overwrite it; examine other uses of keys first.
%language_scratch = ();
}
################################################################
# Return contents of a file from $am_dir, automatically skipping
# macros or rules which are already known. Runs command on each line
# as it is read; this command can modify $_.
sub file_contents_with_transform
{
local ($command, $basename) = @_;
local ($file) = $am_dir . '/' . $basename . '.am';
if ($command ne '' && substr ($command, -1) ne ';')
{
die "automake: programming error in file_contents_with_transform: $command\n";
}
open (FC_FILE, $file)
|| die "automake: installation error: cannot open \`$file'\n";
# Looks stupid?
# print "automake: reading $file\n" if $verbose;
local ($was_rule) = 0;
local ($result_vars) = '';
local ($result_rules) = '';
local ($comment) = '';
local ($spacing) = "\n";
local ($skipping) = 0;
local ($had_chars);
while (<FC_FILE>)
{
$_ =~ s/\@MAINTAINER_MODE_TRUE\@//g
unless $seen_maint_mode;
$had_chars = length ($_) && $_ ne "\n";
eval $command;
# If the transform caused all the characters to go away, then
# ignore the line. Why do this? Because in Perl 4, a "next"
# inside of an eval doesn't affect a loop outside the eval.
# So we can't pass in a "transform" that uses next. We used
# to do this. "Empty" also means consisting of a single
# newline.
next if $had_chars && ($_ eq '' || $_ eq "\n");
if (/$IGNORE_PATTERN/o)
{
# Merely delete comments beginning with two hashes.
}
elsif (/$WHITE_PATTERN/o)
{
# Stick a single white line before the incoming macro or rule.
$spacing = "\n";
&am_line_error ($., "blank line following trailing backslash")
if $saw_bk;
}
elsif (/$COMMENT_PATTERN/o)
{
# Stick comments before the incoming macro or rule.
$comment .= $spacing . $_;
$spacing = '';
&am_line_error ($., "comment following trailing backslash")
if $saw_bk;
}
elsif ($saw_bk)
{
if ($was_rule)
{
$result_rules .= $_ if ! $skipping;
}
else
{
$result_vars .= $_ if ! $skipping;
}
$saw_bk = /\\$/;
}
elsif (/$RULE_PATTERN/o)
{
# Found a rule.
$was_rule = 1;
$skipping = defined $contents{$1};
$result_rules .= $comment . $spacing . $_ if ! $skipping;
$comment = $spacing = '';
$saw_bk = /\\$/;
}
elsif (/$MACRO_PATTERN/o)
{
# Found a variable reference.
$was_rule = 0;
$skipping = defined $contents{$1};
$result_vars .= $comment . $spacing . $_ if ! $skipping;
$comment = $spacing = '';
$saw_bk = /\\$/;
print STDERR "automake: programming error: .am macro \`$1' with trailing backslash\n"
if $saw_bk;
$am_var_defs{$1} = $3;
}
else
{
# This isn't an error; it is probably a continued rule.
# In fact, this is what we assume.
$was_rule = 1;
$result_rules .= $comment . $spacing . $_ if ! $skipping;
$comment = $spacing = '';
$saw_bk = /\\$/;
}
}
close (FC_FILE);
return $result_vars . $result_rules . $comment;
}
# Like file_contents_with_transform, but no transform.
sub file_contents
{
return &file_contents_with_transform ('', @_);
}
# Find all variable prefixes that are used for install directories. A
# prefix `zar' qualifies iff:
# * `zardir' is a variable.
# * `zar_PRIMARY' is a variable.
sub am_primary_prefixes
{
local ($primary, $can_dist, @prefixes) = @_;
local (%valid, $varname);
grep ($valid{$_} = 0, @prefixes);
$valid{'EXTRA'} = 0;
foreach $varname (keys %contents)
{
if ($varname =~ /^(dist_|nodist_)?(.*)_$primary$/)
{
if (($1 ne '' && ! $can_dist)
|| (! defined $valid{$2}
&& ! &variable_defined ($2 . 'dir')
# Note that a configure variable is always
# legitimate. It is natural to name such
# variables after the primary, so we explicitly
# allow it.
&& ! defined $configure_vars{$varname}))
{
&am_line_error ($varname, "invalid variable \`$varname'");
}
else
{
# Ensure all extended prefixes are actually used.
$valid{$1 . $2} = 1;
}
}
}
return %valid;
}
# Handle `where_HOW' variable magic. Does all lookups, generates
# install code, and possibly generates code to define the primary
# variable. The first argument is the name of the .am file to munge,
# the second argument is the primary variable (eg HEADERS), and all
# subsequent arguments are possible installation locations. Returns
# list of all values of all _HOW targets.
#
# FIXME: this should be rewritten to be cleaner. It should be broken
# up into multiple functions.
#
# Usage is: am_install_var (OPTION..., file, HOW, where...)
sub am_install_var
{
local (@args) = @_;
local ($do_clean) = 0;
local ($do_require) = 1;
local ($can_dist) = 0;
local ($default_dist) = 0;
local ($ltxform);
if (defined $configure_vars{'LIBTOOL'})
{
# Transform '@LIBTOOL ...@' to '$(LIBTOOL) ...'
$ltxform = 's/\@LIBTOOL([^\@]*)\@/\$(LIBTOOL) $1/;';
}
else
{
# Delete '@LIBTOOL ...@'
$ltxform = 's/\@LIBTOOL([^\@]*)\@//;';
}
local ($cygxform);
if (! $seen_exeext)
{
$cygxform = 's/\@EXEEXT\@//g;';
}
else
{
$cygxform = 's/\@EXEEXT\@/\$(EXEEXT)/g;';
}
while (@args)
{
if ($args[0] eq '-clean')
{
$do_clean = 1;
}
elsif ($args[0] eq '-noextra')
{
$do_require = 0;
}
elsif ($args[0] eq '-candist')
{
$can_dist = 1;
}
elsif ($args[0] eq '-defaultdist')
{
$default_dist = 1;
$can_dist = 1;
}
elsif ($args[0] !~ /^-/)
{
last;
}
shift (@args);
}
local ($file, $primary, @prefixes) = @args;
local (@used) = ();
local (@result) = ();
# Now that configure substitutions are allowed in where_HOW
# variables, it is an error to actually define the primary. We
# allow `JAVA', as it is customarily used to mean the Java
# interpreter. This is but one of several Java hacks.
&am_line_error ($primary, "\`$primary' is an anachronism")
if &variable_defined ($primary) && $primary ne 'JAVA';
# Look for misspellings. It is an error to have a variable ending
# in a "reserved" suffix whose prefix is unknown, eg
# "bni_PROGRAMS". However, unusual prefixes are allowed if a
# variable of the same name (with "dir" appended) exists. For
# instance, if the variable "zardir" is defined, then
# "zar_PROGRAMS" becomes valid. This is to provide a little extra
# flexibility in those cases which need it.
local (%valid) = &am_primary_prefixes ($primary, $can_dist, @prefixes);
# If a primary includes a configure substitution, then the EXTRA_
# form is required. Otherwise we can't properly do our job.
local ($require_extra);
local ($warned_about_extra) = 0;
local ($clean_file) = $file . '-clean';
local ($one_name);
local ($X);
local ($nodir_name);
foreach $X (sort keys %valid)
{
$one_name = $X . '_' . $primary;
if (&variable_defined ($one_name))
{
# If files should be distributed, do so.
if ($can_dist)
{
if (($default_dist && $one_name !~ /^nodist_/)
|| (! $default_dist && $one_name =~ /^dist_/))
{
&push_dist_common ('$(' . $one_name . ')');
}
($nodir_name = $X) =~ s/^(dist|nodist)_//;
}
else
{
$nodir_name = $X;
}
# Append actual contents of where_PRIMARY variable to
# result.
local ($rcurs);
foreach $rcurs (&variable_value_as_list ($one_name, 'all'))
{
# Skip configure substitutions. Possibly bogus.
if ($rcurs =~ /^\@.*\@$/)
{
if ($X eq 'EXTRA')
{
if (! $warned_about_extra)
{
$warned_about_extra = 1;
{
&am_line_error ($one_name,
"\`$one_name' contains configure substitution, but shouldn't");
}
}
}
# Check here to make sure variables defined in
# configure.in do not imply that EXTRA_PRIMARY
# must be defined.
elsif (! defined $configure_vars{$one_name})
{
$require_extra = $one_name
if $do_require;
}
next;
}
push (@result, $rcurs);
}
# "EXTRA" shouldn't be used when generating clean targets,
# all, or install targets.
if ($X eq 'EXTRA')
{
if (! $warned_about_extra && ! $do_require)
{
$warned_about_extra = 1;
&am_line_error ($one_name,
"\`$one_name' should not be defined");
}
next;
}
# A blatant hack: we rewrite each _PROGRAMS primary to
# include EXEEXT when in Cygwin32 mode.
if ($seen_exeext && $primary eq 'PROGRAMS')
{
local (@conds) = &variable_conditions ($one_name);
local (@one_binlist);
# FIXME: this definitely loses aesthetically; it
# redefines $ONE_NAME. Instead we should arrange for
# variable definitions to be output later, instead of
# at scan time.
if (! @conds)
{
@one_binlist = ();
foreach $rcurs (&variable_value_as_list ($one_name, ''))
{
if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
{
push (@one_binlist, $rcurs);
}
else
{
push (@one_binlist, $rcurs . '$(EXEEXT)');
}
}
delete $contents{$one_name};
&define_pretty_variable ($one_name, '', @one_binlist);
}
else
{
local ($cond);
local ($condvals) = '';
foreach $cond (@conds)
{
@one_binlist = ();
local (@condval) = &variable_value_as_list ($one_name,
$cond);
foreach $rcurs (@condval)
{
if ($rcurs =~ /\./ || $rcurs =~ /^\@.*\@$/)
{
push (@one_binlist, $rcurs);
}
else
{
push (@one_binlist, $rcurs . '$(EXEEXT)');
}
}
push (@condvals, $cond);
push (@condvals, join (' ', @one_binlist));
}
delete $contents{$one_name};
while (@condvals)
{
$cond = shift (@condvals);
local (@val) = split (' ', shift (@condvals));
&define_pretty_variable ($one_name, $cond, @val);
}
}
}
if ($do_clean)
{
$output_rules .=
&file_contents_with_transform ('s/\@DIR\@/' . $X . '/go;'
. $cygxform,
$clean_file);
push (@clean, $X . $primary);
&push_phony_cleaners ($X . $primary);
}
if ($X eq 'check')
{
push (@check, '$(' . $one_name . ')');
}
else
{
push (@used, '$(' . $one_name . ')');
}
if ($X eq 'noinst' || $X eq 'check')
{
# Objects which don't get installed by default.
next;
}
$output_rules .=
&file_contents_with_transform ('s/\@DIR\@/' . $X . '/g;'
. 's/\@NDIR\@/' . $nodir_name . '/go;'
. $ltxform . $cygxform,
$file);
push (@uninstall, 'uninstall-' . $X . $primary);
push (@phony, 'uninstall-' . $X . $primary);
push (@installdirs, '$(DESTDIR)$(' . $X . 'dir)');
if (defined $exec_dir_p{$X} ? $exec_dir_p{$X} : ($X =~ /exec/))
{
push (@install_exec, 'install-' . $X . $primary);
push (@phony, 'install-' . $X . $primary);
}
else
{
push (@install_data, 'install-' . $X . $primary);
push (@phony, 'install-' . $X . $primary);
}
}
}
# The JAVA variable is used as the name of the Java interpreter.
if (@used && $primary ne 'JAVA')
{
# Define it.
&define_pretty_variable ($primary, '', @used);
$output_vars .= "\n";
}
if ($require_extra && ! &variable_defined ('EXTRA_' . $primary))
{
&am_line_error ($require_extra,
"\`$require_extra' contains configure substitution, but \`EXTRA_$primary' not defined");
}
# Push here because PRIMARY might be configure time determined.
push (@all, '$(' . $primary . ')')
if @used && $primary ne 'JAVA';
return (@result);
}
################################################################
# This variable is local to the "require file" set of functions.
@require_file_paths = ();
# Verify that the file must exist in the current directory. Usage:
# require_file (isconfigure, line_number, strictness, file) strictness
# is the strictness level at which this file becomes required. Must
# set require_file_paths before calling this function.
# require_file_paths is set to hold a single directory (the one in
# which the first file was found) before return.
sub require_file_internal
{
local ($is_configure, $line, $mystrict, @files) = @_;
local ($file, $fullfile);
local ($found_it, $errfile, $errdir);
local ($save_dir);
foreach $file (@files)
{
$found_it = 0;
foreach $dir (@require_file_paths)
{
if ($dir eq '.')
{
$fullfile = $relative_dir . "/" . $file;
$errdir = $relative_dir unless $errdir;
}
else
{
$fullfile = $dir . "/" . $file;
$errdir = $dir unless $errdir;
}
# Use different name for "error filename". Otherwise on
# an error the bad file will be reported as eg
# `../../install-sh' when using the default
# config_aux_path.
$errfile = $errdir . '/' . $file;
if (-f $fullfile)
{
$found_it = 1;
# FIXME: Once again, special-case `.'.
&push_dist_common ($file)
if $dir eq $relative_dir || $dir eq '.';
$save_dir = $dir;
last;
}
}
if ($found_it)
{
# Prune the path list.
@require_file_paths = $save_dir;
}
else
{
if ($strictness >= $mystrict)
{
local ($trailer) = '';
local ($suppress) = 0;
# Only install missing files according to our desired
# strictness level.
local ($message) = "required file \`$errfile' not found";
if ($add_missing)
{
$suppress = 1;
# Maybe run libtoolize.
if ($seen_libtool
&& grep ($_ eq $file, @libtoolize_files)
&& system ('libtoolize', '--automake'))
{
$message = "installing \`$errfile'";
$suppress = 0;
$trailer = "; cannot run \`libtoolize': $!";
}
elsif (-f ($am_dir . '/' . $file))
{
# Install the missing file. Symlink if we
# can, copy if we must. Note: delete the file
# first, in case it is a dangling symlink.
$message = "installing \`$errfile'";
# Windows Perl will hang if we try to delete a
# file that doesn't exist.
unlink ($errfile) if -f $errfile;
if ($symlink_exists && ! $copy_missing)
{
if (! symlink ($am_dir . '/' . $file, $errfile))
{
$suppress = 0;
$trailer = "; error while making link: $!\n";
}
}
elsif (system ('cp', $am_dir . '/' . $file, $errfile))
{
$suppress = 0;
$trailer = "\n error while copying\n";
}
}
}
local ($save) = $exit_status;
if ($is_configure)
{
# FIXME: allow actual file to be specified.
&am_conf_line_error ('configure.in', $line,
"$message$trailer");
}
else
{
&am_line_error ($line, "$message$trailer");
}
$exit_status = $save if $suppress;
}
}
}
}
# Like require_file_with_line, but error messages refer to
# configure.in, not the current Makefile.am.
sub require_file_with_conf_line
{
@require_file_paths = '.';
&require_file_internal (1, @_);
}
sub require_file_with_line
{
@require_file_paths = '.';
&require_file_internal (0, @_);
}
sub require_file
{
@require_file_paths = '.';
&require_file_internal (0, '', @_);
}
# Require a file that is also required by Autoconf. Looks in
# configuration path, as specified by AC_CONFIG_AUX_DIR.
sub require_config_file
{
@require_file_paths = @config_aux_path;
&require_file_internal (1, '', @_);
local ($dir) = $require_file_paths[0];
@config_aux_path = @require_file_paths;
if ($dir eq '.')
{
$config_aux_dir = '.';
}
else
{
$config_aux_dir = '$(top_srcdir)/' . $dir;
}
}
# Assumes that the line number is in Makefile.am.
sub require_conf_file_with_line
{
@require_file_paths = @config_aux_path;
&require_file_internal (0, @_);
local ($dir) = $require_file_paths[0];
@config_aux_path = @require_file_paths;
if ($dir eq '.')
{
$config_aux_dir = '.';
}
else
{
$config_aux_dir = '$(top_srcdir)/' . $dir;
}
}
# Assumes that the line number is in Makefile.am.
sub require_conf_file_with_conf_line
{
@require_file_paths = @config_aux_path;
&require_file_internal (1, @_);
local ($dir) = $require_file_paths[0];
@config_aux_path = @require_file_paths;
if ($dir eq '.')
{
$config_aux_dir = '.';
}
else
{
$config_aux_dir = '$(top_srcdir)/' . $dir;
}
}
################################################################
# Push a list of files onto dist_common.
sub push_dist_common
{
local (@files) = @_;
local ($file);
foreach $file (@files)
{
$dist_common{$file} = 1;
}
}
# Push a list of clean targets onto phony.
sub push_phony_cleaners
{
local ($base) = @_;
local ($target);
foreach $target ('mostly', 'dist', '', 'maintainer-')
{
push (@phony, $target . 'clean-' . $base);
}
}
# Set strictness.
sub set_strictness
{
$strictness_name = $_[0];
if ($strictness_name eq 'gnu')
{
$strictness = $GNU;
}
elsif ($strictness_name eq 'gnits')
{
$strictness = $GNITS;
}
elsif ($strictness_name eq 'foreign')
{
$strictness = $FOREIGN;
}
else
{
die "automake: level \`$strictness_name' not recognized\n";
}
}
################################################################
# Return directory name of file.
sub dirname
{
local ($file) = @_;
local ($sub);
($sub = $file) =~ s,/+[^/]+$,,g;
$sub = '.' if $sub eq $file;
return $sub;
}
# Return file name of a file.
sub basename
{
local ($file) = @_;
local ($sub);
($sub = $file) =~s,^.*/+,,g;
return $sub;
}
# Ensure a file exists.
sub create
{
local ($file) = @_;
open (TOUCH, ">> $file");
close (TOUCH);
}
# Glob something. Do this to avoid indentation screwups everywhere we
# want to glob. Gross!
sub my_glob
{
local ($pat) = @_;
return <${pat}>;
}
################################################################
# Print an error message and set exit status.
sub am_error
{
warn "automake: ${am_file}.am: ", join (' ', @_), "\n";
$exit_status = 1;
}
sub am_line_error
{
local ($symbol, @args) = @_;
if ($symbol && "$symbol" ne '-1')
{
local ($file) = "${am_file}.am";
if ($symbol =~ /^\d+$/)
{
# SYMBOL is a line number, so just add the colon.
$file .= ':' . $symbol;
}
elsif (defined $content_lines{$symbol})
{
# SYMBOL is a variable defined in Makefile.am, so add the
# line number we saved from there.
$file .= ':' . $content_lines{$symbol};
}
elsif (defined $configure_vars{$symbol})
{
# SYMBOL is a variable defined in configure.in, so add the
# appropriate line number.
$file = $configure_vars{$symbol};
}
else
{
# Couldn't find the line number.
}
warn $file, ": ", join (' ', @args), "\n";
$exit_status = 1;
}
else
{
&am_error (@args);
}
}
# Like am_error, but while scanning configure.in.
sub am_conf_error
{
# FIXME: can run in subdirs.
warn "automake: configure.in: ", join (' ', @_), "\n";
$exit_status = 1;
}
# Error message with line number referring to configure.in.
sub am_conf_line_error
{
local ($file, $line, @args) = @_;
if ($line)
{
warn "$file: $line: ", join (' ', @args), "\n";
$exit_status = 1;
}
else
{
&am_conf_error (@args);
}
}
# Warning message with line number referring to configure.in.
# Does not affect exit_status
sub am_conf_line_warning
{
local ($saved_exit_status) = $exit_status;
&am_conf_line_error (@_);
$exit_status = $saved_exit_status;
}
# Tell user where our aclocal.m4 is, but only once.
sub keyed_aclocal_warning
{
local ($key) = @_;
warn "automake: macro \`$key' can be generated by \`aclocal'\n";
}
# Print usage information.
sub usage
{
print "Usage: automake [OPTION] ... [Makefile]...\n\n";
print "Generate Makefile.in for autoconf from Makefile.am\n";
print $USAGE;
print "\nFiles which are automatically distributed, if found:\n";
$~ = "USAGE_FORMAT";
local ($last, $iter, @lcomm);
$last = '';
foreach $iter (sort ((@common_files, @common_sometimes)))
{
push (@lcomm, $iter) unless $iter eq $last;
$last = $iter;
}
local ($one, $two, $three, $four, $i, $max);
$max = int (($#lcomm + 1) / 4);
for ($i = 0; $i < $max; ++$i)
{
$one = $lcomm[$i];
$two = $lcomm[$max + $i];
$three = $lcomm[2 * $max + $i];
$four = $lcomm[3 * $max + $i];
write;
}
local ($mod) = ($#lcomm + 1) % 4;
if ($mod != 0)
{
$one = $lcomm[$max];
$two = ($mod > 1) ? $lcomm[2 * $max] : '';
$three = ($mod > 2) ? $lcomm[3 * $max] : '';
$four = ($mod > 3) ? $lcomm[4 * $max] : '';
write;
}
print "\nReport bugs to <bug-automake\@gnu.org>.\n";
exit 0;
}
format USAGE_FORMAT =
@<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<< @<<<<<<<<<<<<<<<<
$one, $two, $three, $four
.