use Automake::FileUtils;
use Automake::General;
use Automake::Global;
+use Automake::HandleConfigure;
use Automake::LangHandling;
use Automake::Language;
use Automake::Location;
sub append_exeext (&$);
sub check_canonical_spelling;
sub check_directories_in_var;
-sub check_directory;
sub check_libobjs_sources;
sub check_trailing_slash ($\$);
sub check_typos ();
sub initialize_per_input ();
sub is_valid_test_extension;
sub parse_arguments ();
-sub prepend_srcdir;
sub print_autodist_files;
sub read_am_file;
sub read_main_am_file;
-sub rewrite_inputs_into_dependencies;
-sub scan_aclocal_m4 ();
-sub scan_autoconf_config_files;
-sub scan_autoconf_files ();
-sub scan_autoconf_traces;
sub shadow_unconditionally;
-sub split_config_file_spec;
-sub substitute_ac_subst_variables;
-sub substitute_ac_subst_variables_worker;
sub target_cmp;
sub usage ();
sub user_phony_rule;
}
-# check_directory ($NAME, $WHERE [, $RELATIVE_DIR = "."])
-# -------------------------------------------------------
-# Ensure $NAME is a directory (in $RELATIVE_DIR), and that it uses a sane
-# name. Use $WHERE as a location in the diagnostic, if any.
-sub check_directory
-{
- my ($dir, $where, $reldir) = @_;
- $reldir = '.' unless defined $reldir;
-
- error $where, "required directory $reldir/$dir does not exist"
- unless -d "$reldir/$dir";
-
- # If an 'obj/' directory exists, BSD make will enter it before
- # reading 'Makefile'. Hence the 'Makefile' in the current directory
- # will not be read.
- #
- # % cat Makefile
- # all:
- # echo Hello
- # % cat obj/Makefile
- # all:
- # echo World
- # % make # GNU make
- # echo Hello
- # Hello
- # % pmake # BSD make
- # echo World
- # World
- msg ('portability', $where,
- "naming a subdirectory 'obj' causes troubles with BSD make")
- if $dir eq 'obj';
-
- # 'aux' is probably the most important of the following forbidden name,
- # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
- msg ('portability', $where,
- "name '$dir' is reserved on W32 and DOS platforms")
- if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
-}
-
# check_directories_in_var ($VARIABLE)
# ------------------------------------
# Recursively check all items in variables $VARIABLE as directories
}
-# ($REGEN, @DEPENDENCIES)
-# scan_aclocal_m4
-# ---------------
-# If aclocal.m4 creation is automated, return the list of its dependencies.
-sub scan_aclocal_m4 ()
-{
- my $regen_aclocal = 0;
-
- set_seen 'CONFIG_STATUS_DEPENDENCIES';
- set_seen 'CONFIGURE_DEPENDENCIES';
-
- if (-f 'aclocal.m4')
- {
- define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
-
- my $aclocal = new Automake::XFile "< aclocal.m4";
- my $line = $aclocal->getline;
- $regen_aclocal = $line =~ 'generated automatically by aclocal';
- }
-
- my @ac_deps = ();
-
- if (set_seen ('ACLOCAL_M4_SOURCES'))
- {
- push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
- msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
- "'ACLOCAL_M4_SOURCES' is obsolete.\n"
- . "It should be safe to simply remove it");
- }
-
- # Note that it might be possible that aclocal.m4 doesn't exist but
- # should be auto-generated. This case probably isn't very
- # important.
-
- return ($regen_aclocal, @ac_deps);
-}
-
-
-# Helper function for 'substitute_ac_subst_variables'.
-sub substitute_ac_subst_variables_worker
-{
- my ($token) = @_;
- return "\@$token\@" if var $token;
- return "\${$token\}";
-}
-
-# substitute_ac_subst_variables ($TEXT)
-# -------------------------------------
-# Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
-# variable.
-sub substitute_ac_subst_variables
-{
- my ($text) = @_;
- $text =~ s/\$[{]([^ \t=:+{}]+)}/substitute_ac_subst_variables_worker ($1)/ge;
- return $text;
-}
-
-# @DEPENDENCIES
-# prepend_srcdir (@INPUTS)
-# ------------------------
-# Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
-# if an input file has a directory part the same as the current
-# directory, then the directory part is simply replaced by $(srcdir).
-# But if the directory part is different, then $(top_srcdir) is
-# prepended.
-sub prepend_srcdir
-{
- my (@inputs) = @_;
- my @newinputs;
-
- foreach my $single (@inputs)
- {
- if (dirname ($single) eq $relative_dir)
- {
- push (@newinputs, '$(srcdir)/' . basename ($single));
- }
- else
- {
- push (@newinputs, '$(top_srcdir)/' . $single);
- }
- }
- return @newinputs;
-}
-
-# @DEPENDENCIES
-# rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
-# ---------------------------------------------------
-# Compute a list of dependencies appropriate for the rebuild
-# rule of
-# AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
-# Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
-sub rewrite_inputs_into_dependencies
-{
- my ($file, @inputs) = @_;
- my @res = ();
-
- for my $i (@inputs)
- {
- # We cannot create dependencies on shell variables.
- next if (substitute_ac_subst_variables $i) =~ /\$/;
-
- if (exists $ac_config_files_location{$i} && $i ne $file)
- {
- my $di = dirname $i;
- if ($di eq $relative_dir)
- {
- $i = basename $i;
- }
- # In the top-level Makefile we do not use $(top_builddir), because
- # we are already there, and since the targets are built without
- # a $(top_builddir), it helps BSD Make to match them with
- # dependencies.
- elsif ($relative_dir ne '.')
- {
- $i = '$(top_builddir)/' . $i;
- }
- }
- else
- {
- msg ('error', $ac_config_files_location{$file},
- "required file '$i' not found")
- unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
- ($i) = prepend_srcdir ($i);
- push_dist_common ($i);
- }
- push @res, $i;
- }
- return @res;
-}
-
-
-
-# handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
-# -----------------------------------------------------------------
-# Handle remaking and configure stuff.
-# We need the name of the input file, to do proper remaking rules.
-sub handle_configure
-{
- my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
-
- prog_error 'empty @inputs'
- unless @inputs;
-
- my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
- $makefile_in);
- my $rel_makefile = basename $makefile;
-
- my $colon_infile = ':' . join (':', @inputs);
- $colon_infile = '' if $colon_infile eq ":$makefile.in";
- my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
- my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
- define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
- @configure_deps, @aclocal_m4_deps,
- '$(top_srcdir)/' . $configure_ac);
- my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
- push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
- define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
- @configuredeps);
-
- my $automake_options = '--' . $strictness_name .
- (global_option 'no-dependencies' ? ' --ignore-deps' : '');
-
- $output_rules .= file_contents
- ('configure',
- new Automake::Location,
- MAKEFILE => $rel_makefile,
- 'MAKEFILE-DEPS' => "@rewritten",
- 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
- 'MAKEFILE-IN' => $rel_makefile_in,
- 'HAVE-MAKEFILE-IN-DEPS' => (@include_stack > 0),
- 'MAKEFILE-IN-DEPS' => "@include_stack",
- 'MAKEFILE-AM' => $rel_makefile_am,
- 'AUTOMAKE-OPTIONS' => $automake_options,
- 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
- 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
- VERBOSE => verbose_flag ('GEN'));
-
- if ($relative_dir eq '.')
- {
- push_dist_common ('acconfig.h')
- if -f 'acconfig.h';
- }
-
- # If we have a configure header, require it.
- my $hdr_index = 0;
- my @distclean_config;
- foreach my $spec (@config_headers)
- {
- $hdr_index += 1;
- # $CONFIG_H_PATH: config.h from top level.
- my ($config_h_path, @ins) = split_config_file_spec ($spec);
- my $config_h_dir = dirname ($config_h_path);
-
- # 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 $config_h_dir
- || ($relative_dir eq '.' && ! is_make_dir ($config_h_dir)))
- {
- my ($cn_sans_dir, $stamp_dir);
- if ($relative_dir eq $config_h_dir)
- {
- $cn_sans_dir = basename ($config_h_path);
- $stamp_dir = '';
- }
- else
- {
- $cn_sans_dir = $config_h_path;
- if ($config_h_dir eq '.')
- {
- $stamp_dir = '';
- }
- else
- {
- $stamp_dir = $config_h_dir . '/';
- }
- }
-
- # This will also distribute all inputs.
- @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
-
- # Cannot define rebuild rules for filenames with shell variables.
- next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
-
- # Header defined in this directory.
- my @files;
- if (-f $config_h_path . '.top')
- {
- push (@files, "$cn_sans_dir.top");
- }
- if (-f $config_h_path . '.bot')
- {
- push (@files, "$cn_sans_dir.bot");
- }
-
- push_dist_common (@files);
-
- # For now, acconfig.h can only appear in the top srcdir.
- if (-f 'acconfig.h')
- {
- push (@files, '$(top_srcdir)/acconfig.h');
- }
-
- my $stamp = "${stamp_dir}stamp-h${hdr_index}";
- $output_rules .=
- file_contents ('remake-hdr',
- new Automake::Location,
- FILES => "@files",
- 'FIRST-HDR' => ($hdr_index == 1),
- CONFIG_H => $cn_sans_dir,
- CONFIG_HIN => $ins[0],
- CONFIG_H_DEPS => "@ins",
- CONFIG_H_PATH => $config_h_path,
- STAMP => "$stamp");
-
- push @distclean_config, $cn_sans_dir, $stamp;
- }
- }
-
- $output_rules .= file_contents ('clean-hdr',
- new Automake::Location,
- FILES => "@distclean_config")
- if @distclean_config;
-
- # Distribute and define mkinstalldirs only if it is already present
- # in the package, for backward compatibility (some people may still
- # use $(mkinstalldirs)).
- # TODO: start warning about this in Automake 1.14, and have
- # TODO: Automake 2.0 drop it (and the mkinstalldirs script
- # TODO: as well).
- my $mkidpath = "$config_aux_dir/mkinstalldirs";
- if (-f $mkidpath)
- {
- # Use require_file so that any existing script gets updated
- # by --force-missing.
- require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
- define_variable ('mkinstalldirs',
- "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
- }
- else
- {
- # Use $(install_sh), not $(MKDIR_P) because the latter requires
- # at least one argument, and $(mkinstalldirs) used to work
- # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
- define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
- }
-
- reject_var ('CONFIG_HEADER',
- "'CONFIG_HEADER' is an anachronism; now determined "
- . "automatically\nfrom '$configure_ac'");
-
- my @config_h;
- foreach my $spec (@config_headers)
- {
- my ($out, @ins) = split_config_file_spec ($spec);
- # Generate CONFIG_HEADER define.
- if ($relative_dir eq dirname ($out))
- {
- push @config_h, basename ($out);
- }
- else
- {
- push @config_h, "\$(top_builddir)/$out";
- }
- }
- define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
- if @config_h;
-
- # Now look for other files in this directory which must be remade
- # by config.status, and generate rules for them.
- my @actual_other_files = ();
- # These get cleaned only in a VPATH build.
- my @actual_other_vpath_files = ();
- foreach my $lfile (@other_input_files)
- {
- my $file;
- my @inputs;
- if ($lfile =~ /^([^:]*):(.*)$/)
- {
- # This is the ":" syntax of AC_OUTPUT.
- $file = $1;
- @inputs = split (':', $2);
- }
- else
- {
- # Normal usage.
- $file = $lfile;
- @inputs = $file . '.in';
- }
-
- # Automake files should not be stored in here, but in %MAKE_LIST.
- prog_error ("$lfile in \@other_input_files\n"
- . "\@other_input_files = (@other_input_files)")
- if -f $file . '.am';
-
- my $local = basename ($file);
-
- # We skip files that aren't in this directory. However, if
- # the file's directory does not have a Makefile, and we are
- # currently doing '.', then we create a rule to rebuild the
- # file in the subdir.
- my $fd = dirname ($file);
- if ($fd ne $relative_dir)
- {
- if ($relative_dir eq '.' && ! is_make_dir ($fd))
- {
- $local = $file;
- }
- else
- {
- next;
- }
- }
-
- my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
-
- # Cannot output rules for shell variables.
- next if (substitute_ac_subst_variables $local) =~ /\$/;
-
- my $condstr = '';
- my $cond = $ac_config_files_condition{$lfile};
- if (defined $cond)
- {
- $condstr = $cond->subst_string;
- Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
- $ac_config_files_location{$file});
- }
- $output_rules .= ($condstr . $local . ': '
- . '$(top_builddir)/config.status '
- . "@rewritten_inputs\n"
- . $condstr . "\t"
- . 'cd $(top_builddir) && '
- . '$(SHELL) ./config.status '
- . ($relative_dir eq '.' ? '' : '$(subdir)/')
- . '$@'
- . "\n");
- push (@actual_other_files, $local);
- }
-
- # For links we should clean destinations and distribute sources.
- foreach my $spec (@config_links)
- {
- my ($link, $file) = split /:/, $spec;
- # Some people do AC_CONFIG_LINKS($computed). We only handle
- # the DEST:SRC form.
- next unless $file;
- my $where = $ac_config_files_location{$link};
-
- # Skip destinations that contain shell variables.
- if ((substitute_ac_subst_variables $link) !~ /\$/)
- {
- # We skip links that aren't in this directory. However, if
- # the link's directory does not have a Makefile, and we are
- # currently doing '.', then we add the link to CONFIG_CLEAN_FILES
- # in '.'s Makefile.in.
- my $local = basename ($link);
- my $fd = dirname ($link);
- if ($fd ne $relative_dir)
- {
- if ($relative_dir eq '.' && ! is_make_dir ($fd))
- {
- $local = $link;
- }
- else
- {
- $local = undef;
- }
- }
- if ($file ne $link)
- {
- push @actual_other_files, $local if $local;
- }
- else
- {
- push @actual_other_vpath_files, $local if $local;
- }
- }
-
- # Do not process sources that contain shell variables.
- if ((substitute_ac_subst_variables $file) !~ /\$/)
- {
- my $fd = dirname ($file);
-
- # We distribute files that are in this directory.
- # At the top-level ('.') we also distribute files whose
- # directory does not have a Makefile.
- if (($fd eq $relative_dir)
- || ($relative_dir eq '.' && ! is_make_dir ($fd)))
- {
- # The following will distribute $file as a side-effect when
- # it is appropriate (i.e., when $file is not already an output).
- # We do not need the result, just the side-effect.
- rewrite_inputs_into_dependencies ($link, $file);
- }
- }
- }
-
- # These files get removed by "make distclean".
- define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
- @actual_other_files);
- define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
- @actual_other_vpath_files);
-}
-
sub handle_headers ()
{
my @r = am_install_var ('-defaultdist', 'header', 'HEADERS', 'include',
}
}
-################################################################
-
-# ($OUTPUT, @INPUTS)
-# split_config_file_spec ($SPEC)
-# ------------------------------
-# Decode the Autoconf syntax for config files (files, headers, links
-# etc.).
-sub split_config_file_spec
-{
- my ($spec) = @_;
- my ($output, @inputs) = split (/:/, $spec);
-
- push @inputs, "$output.in"
- unless @inputs;
-
- return ($output, @inputs);
-}
-
-my %make_list;
-
-# scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
-# --------------------------------------------------
-# Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
-# (or AC_OUTPUT).
-sub scan_autoconf_config_files
-{
- my ($where, $config_files) = @_;
-
- # Look at potential Makefile.am's.
- foreach (split ' ', $config_files)
- {
- # Must skip empty string for Perl 4.
- next if $_ eq "\\" || $_ eq '';
-
- # Handle $local:$input syntax.
- my ($local, @rest) = split (/:/);
- @rest = ("$local.in",) unless @rest;
- # Keep in sync with test 'conffile-leading-dot.sh'.
- msg ('unsupported', $where,
- "omit leading './' from config file names such as '$local';"
- . "\nremake rules might be subtly broken otherwise")
- if ($local =~ /^\.\//);
- my $input = locate_am @rest;
- if ($input)
- {
- # We have a file that automake should generate.
- $make_list{$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, $_);
- }
- $ac_config_files_location{$local} = $where;
- $ac_config_files_condition{$local} =
- new Automake::Condition (@cond_stack)
- if (@cond_stack);
- }
-}
-
-
-sub scan_autoconf_traces
-{
- my ($filename) = @_;
-
- # Macros to trace, with their minimal number of arguments.
- #
- # IMPORTANT: If you add a macro here, you should also add this macro
- # ========= to Automake-preselection in autoconf/lib/autom4te.in.
- my %traced = (
- AC_CANONICAL_BUILD => 0,
- AC_CANONICAL_HOST => 0,
- AC_CANONICAL_TARGET => 0,
- AC_CONFIG_AUX_DIR => 1,
- AC_CONFIG_FILES => 1,
- AC_CONFIG_HEADERS => 1,
- AC_CONFIG_LIBOBJ_DIR => 1,
- AC_CONFIG_LINKS => 1,
- AC_FC_SRCEXT => 1,
- AC_INIT => 0,
- AC_LIBSOURCE => 1,
- AC_REQUIRE_AUX_FILE => 1,
- AC_SUBST_TRACE => 1,
- AM_AUTOMAKE_VERSION => 1,
- AM_PROG_MKDIR_P => 0,
- AM_CONDITIONAL => 2,
- AM_EXTRA_RECURSIVE_TARGETS => 1,
- AM_GNU_GETTEXT => 0,
- AM_GNU_GETTEXT_INTL_SUBDIR => 0,
- AM_INIT_AUTOMAKE => 0,
- AM_MAINTAINER_MODE => 0,
- AM_PROG_AR => 0,
- _AM_SUBST_NOTMAKE => 1,
- _AM_COND_IF => 1,
- _AM_COND_ELSE => 1,
- _AM_COND_ENDIF => 1,
- LT_SUPPORTED_TAG => 1,
- _LT_AC_TAGCONFIG => 0,
- m4_include => 1,
- m4_sinclude => 1,
- sinclude => 1,
- );
-
- my $traces = ($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ";
-
- # Use a separator unlikely to be used, not ':', the default, which
- # has a precise meaning for AC_CONFIG_FILES and so on.
- $traces .= join (' ',
- map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
- (keys %traced));
-
- my $tracefh = new Automake::XFile ("$traces $filename |");
- verb "reading $traces";
-
- @cond_stack = ();
- my $where;
-
- while ($_ = $tracefh->getline)
- {
- chomp;
- my ($here, $depth, @args) = split (/::/);
- $where = new Automake::Location $here;
- my $macro = $args[0];
-
- prog_error ("unrequested trace '$macro'")
- unless exists $traced{$macro};
-
- # Skip and diagnose malformed calls.
- if ($#args < $traced{$macro})
- {
- msg ('syntax', $where, "not enough arguments for $macro");
- next;
- }
-
- # Alphabetical ordering please.
- if ($macro eq 'AC_CANONICAL_BUILD')
- {
- if ($seen_canonical <= AC_CANONICAL_BUILD)
- {
- $seen_canonical = AC_CANONICAL_BUILD;
- }
- }
- elsif ($macro eq 'AC_CANONICAL_HOST')
- {
- if ($seen_canonical <= AC_CANONICAL_HOST)
- {
- $seen_canonical = AC_CANONICAL_HOST;
- }
- }
- elsif ($macro eq 'AC_CANONICAL_TARGET')
- {
- $seen_canonical = AC_CANONICAL_TARGET;
- }
- elsif ($macro eq 'AC_CONFIG_AUX_DIR')
- {
- if ($seen_init_automake)
- {
- error ($where, "AC_CONFIG_AUX_DIR must be called before "
- . "AM_INIT_AUTOMAKE ...", partial => 1);
- error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
- }
- $config_aux_dir = $args[1];
- $config_aux_dir_set_in_configure_ac = 1;
- check_directory ($config_aux_dir, $where);
- }
- elsif ($macro eq 'AC_CONFIG_FILES')
- {
- # Look at potential Makefile.am's.
- scan_autoconf_config_files ($where, $args[1]);
- }
- elsif ($macro eq 'AC_CONFIG_HEADERS')
- {
- foreach my $spec (split (' ', $args[1]))
- {
- my ($dest, @src) = split (':', $spec);
- $ac_config_files_location{$dest} = $where;
- push @config_headers, $spec;
- }
- }
- elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
- {
- $config_libobj_dir = $args[1];
- check_directory ($config_libobj_dir, $where);
- }
- elsif ($macro eq 'AC_CONFIG_LINKS')
- {
- foreach my $spec (split (' ', $args[1]))
- {
- my ($dest, $src) = split (':', $spec);
- $ac_config_files_location{$dest} = $where;
- push @config_links, $spec;
- }
- }
- elsif ($macro eq 'AC_FC_SRCEXT')
- {
- my $suffix = $args[1];
- # These flags are used as %SOURCEFLAG% in depend2.am,
- # where the trailing space is important.
- $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
- if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
- }
- elsif ($macro eq 'AC_INIT')
- {
- if (defined $args[2])
- {
- $package_version = $args[2];
- $package_version_location = $where;
- }
- }
- elsif ($macro eq 'AC_LIBSOURCE')
- {
- $libsources{$args[1]} = $here;
- }
- elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
- {
- # Only remember the first time a file is required.
- $required_aux_file{$args[1]} = $where
- unless exists $required_aux_file{$args[1]};
- }
- elsif ($macro eq 'AC_SUBST_TRACE')
- {
- # Just check for alphanumeric in AC_SUBST_TRACE. If you do
- # AC_SUBST(5), then too bad.
- $configure_vars{$args[1]} = $where
- if $args[1] =~ /^\w+$/;
- }
- elsif ($macro eq 'AM_AUTOMAKE_VERSION')
- {
- error ($where,
- "version mismatch. This is Automake $VERSION,\n" .
- "but the definition used by this AM_INIT_AUTOMAKE\n" .
- "comes from Automake $args[1]. You should recreate\n" .
- "aclocal.m4 with aclocal and run automake again.\n",
- # $? = 63 is used to indicate version mismatch to missing.
- exit_code => 63)
- if $VERSION ne $args[1];
-
- $seen_automake_version = 1;
- }
- elsif ($macro eq 'AM_PROG_MKDIR_P')
- {
- msg 'obsolete', $where, <<'EOF';
-The 'AM_PROG_MKDIR_P' macro is deprecated, and its use is discouraged.
-You should use the Autoconf-provided 'AC_PROG_MKDIR_P' macro instead,
-and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files.
-EOF
- }
- elsif ($macro eq 'AM_CONDITIONAL')
- {
- $configure_cond{$args[1]} = $where;
- }
- elsif ($macro eq 'AM_EXTRA_RECURSIVE_TARGETS')
- {
- # Empty leading/trailing fields might be produced by split,
- # hence the grep is really needed.
- push @extra_recursive_targets,
- grep (/./, (split /\s+/, $args[1]));
- }
- elsif ($macro eq 'AM_GNU_GETTEXT')
- {
- $seen_gettext = $where;
- $ac_gettext_location = $where;
- $seen_gettext_external = grep ($_ eq 'external', @args);
- }
- elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
- {
- $seen_gettext_intl = $where;
- }
- elsif ($macro eq 'AM_INIT_AUTOMAKE')
- {
- $seen_init_automake = $where;
- if (defined $args[2])
- {
- msg 'obsolete', $where, <<'EOF';
-AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see:
-https://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation
-EOF
- $package_version = $args[2];
- $package_version_location = $where;
- }
- elsif (defined $args[1])
- {
- my @opts = split (' ', $args[1]);
- @opts = map { { option => $_, where => $where } } @opts;
- exit $exit_code unless process_global_option_list (@opts);
- }
- }
- elsif ($macro eq 'AM_MAINTAINER_MODE')
- {
- $seen_maint_mode = $where;
- }
- elsif ($macro eq 'AM_PROG_AR')
- {
- $seen_ar = $where;
- }
- elsif ($macro eq '_AM_COND_IF')
- {
- cond_stack_if ('', $args[1], $where);
- error ($where, "missing m4 quoting, macro depth $depth")
- if ($depth != 1);
- }
- elsif ($macro eq '_AM_COND_ELSE')
- {
- cond_stack_else ('!', $args[1], $where);
- error ($where, "missing m4 quoting, macro depth $depth")
- if ($depth != 1);
- }
- elsif ($macro eq '_AM_COND_ENDIF')
- {
- cond_stack_endif (undef, undef, $where);
- error ($where, "missing m4 quoting, macro depth $depth")
- if ($depth != 1);
- }
- elsif ($macro eq '_AM_SUBST_NOTMAKE')
- {
- $ignored_configure_vars{$args[1]} = $where;
- }
- elsif ($macro eq 'm4_include'
- || $macro eq 'm4_sinclude'
- || $macro eq 'sinclude')
- {
- # Skip missing 'sinclude'd files.
- next if $macro ne 'm4_include' && ! -f $args[1];
-
- # Some modified versions of Autoconf don't use
- # frozen files. Consequently it's possible that we see all
- # m4_include's performed during Autoconf's startup.
- # Obviously we don't want to distribute Autoconf's files
- # so we skip absolute filenames here.
- push @configure_deps, '$(top_srcdir)/' . $args[1]
- unless $here =~ m,^(?:\w:)?[\\/],;
- # Keep track of the greatest timestamp.
- if (-e $args[1])
- {
- my $mtime = mtime $args[1];
- $configure_deps_greatest_timestamp = $mtime
- if $mtime > $configure_deps_greatest_timestamp;
- }
- }
- elsif ($macro eq 'LT_SUPPORTED_TAG')
- {
- $libtool_tags{$args[1]} = 1;
- $libtool_new_api = 1;
- }
- elsif ($macro eq '_LT_AC_TAGCONFIG')
- {
- # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
- # We use it to detect whether tags are supported. Our
- # preferred interface is LT_SUPPORTED_TAG, but it was
- # introduced in Libtool 1.6.
- if (0 == keys %libtool_tags)
- {
- # Hardcode the tags supported by Libtool 1.5.
- %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
- }
- }
- }
-
- error ($where, "condition stack not properly closed")
- if (@cond_stack);
-
- $tracefh->close;
-}
-
-
-# Check whether we use 'configure.ac' or 'configure.in'.
-# Scan it (and possibly 'aclocal.m4') for interesting things.
-# We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
-sub scan_autoconf_files ()
-{
- # Reinitialize libsources here. This isn't really necessary,
- # since we currently assume there is only one configure.ac. But
- # that won't always be the case.
- %libsources = ();
-
- # Keep track of the youngest configure dependency.
- $configure_deps_greatest_timestamp = mtime $configure_ac;
- if (-e 'aclocal.m4')
- {
- my $mtime = mtime 'aclocal.m4';
- $configure_deps_greatest_timestamp = $mtime
- if $mtime > $configure_deps_greatest_timestamp;
- }
-
- scan_autoconf_traces ($configure_ac);
-
- @configure_input_files = sort keys %make_list;
- # Set input and output files if not specified by user.
- if (! @input_files)
- {
- @input_files = @configure_input_files;
- %output_files = %make_list;
- }
-
-
- if (! $seen_init_automake)
- {
- err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
- . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
- . "\nthat aclocal.m4 is present in the top-level directory,\n"
- . "and that aclocal.m4 was recently regenerated "
- . "(using aclocal)");
- }
- else
- {
- if (! $seen_automake_version)
- {
- if (-f 'aclocal.m4')
- {
- error ($seen_init_automake,
- "your implementation of AM_INIT_AUTOMAKE comes from " .
- "an\nold Automake version. You should recreate " .
- "aclocal.m4\nwith aclocal and run automake again",
- # $? = 63 is used to indicate version mismatch to missing.
- exit_code => 63);
- }
- else
- {
- error ($seen_init_automake,
- "no proper implementation of AM_INIT_AUTOMAKE was " .
- "found,\nprobably because aclocal.m4 is missing.\n" .
- "You should run aclocal to create this file, then\n" .
- "run automake again");
- }
- }
- }
-
- locate_aux_dir ();
-
- # 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 for
- # push_required_file to work.
- # Sort the files for stable verbose output.
- $relative_dir = '.';
- foreach my $file (sort keys %required_aux_file)
- {
- require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
- }
- err_am "'install.sh' is an anachronism; use 'install-sh' instead"
- if -f $config_aux_dir . '/install.sh';
-
- # Preserve dist_common for later.
- @configure_dist_common = @dist_common;
-}
-
-
################################################################
$configure_ac = require_configure_ac;
# Do configure.ac scan only once.
-scan_autoconf_files;
+scan_autoconf_files (($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ");
if (! @input_files)
{
$seen_gettext $seen_gettext_external $seen_gettext_intl
@extra_recursive_targets %libtool_tags $libtool_new_api $package_version
$seen_ar %required_aux_file $seen_init_automake $seen_automake_version
- @configure_deps $configure_deps_greatest_timestamp %configure_cond
- %extension_map @configure_dist_common %languages %link_languages
- %sourceflags %required_targets $am_file $configure_ac $ac_gettext_location
- $package_version_location $required_conf_file_queue
+ %configure_cond %extension_map @configure_dist_common %languages
+ %link_languages %sourceflags %required_targets $am_file $configure_ac
+ $ac_gettext_location $package_version_location $required_conf_file_queue
$output_deps_greatest_timestamp $output_all $output_header $output_rules
$output_trailer @include_stack @all @check @check_tests %clean_files
%compile_clean_files %libtool_clean_directories @sources @dist_sources
# TRUE if we've seen AM_AUTOMAKE_VERSION.
our $seen_automake_version = 0;
-# Files included by $configure_ac.
-our @configure_deps = ();
-
-# Greatest timestamp of configure's dependencies.
-our $configure_deps_greatest_timestamp = 0;
-
# Hash table of AM_CONDITIONAL variables seen in configure.
our %configure_cond = ();
--- /dev/null
+# Copyright (C) 2018 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package Automake::HandleConfigure;
+
+use 5.006;
+use strict;
+
+use Automake::Channels;
+use Automake::ChannelDefs;
+use Automake::Condition qw (TRUE FALSE);
+use Automake::CondStack;
+use Automake::Config;
+use Automake::ConfVars;
+use Automake::Errors;
+use Automake::File;
+use Automake::FileUtils;
+use Automake::Global;
+use Automake::Requires;
+use Automake::Location;
+use Automake::Options;
+use Automake::RuleDef;
+use Automake::SilentRules;
+use Automake::Utils;
+use Automake::Variable;
+use Automake::XFile;
+use Exporter 'import';
+use File::Basename;
+
+use vars qw (@EXPORT);
+
+@EXPORT = qw ($configure_deps_greatest_timestamp &handle_configure
+ &split_config_file_spec &scan_autoconf_config_files &scan_autoconf_files
+ &scan_aclocal_m4);
+
+# Helper functions for handling configure files inside Automake
+
+# Greatest timestamp of configure's dependencies.
+our $configure_deps_greatest_timestamp = 0;
+
+# Files included by $configure_ac.
+my @configure_deps = ();
+
+my %make_list;
+
+
+# ($REGEN, @DEPENDENCIES)
+# scan_aclocal_m4
+# ---------------
+# If aclocal.m4 creation is automated, return the list of its dependencies.
+sub scan_aclocal_m4 ()
+{
+ my $regen_aclocal = 0;
+
+ set_seen 'CONFIG_STATUS_DEPENDENCIES';
+ set_seen 'CONFIGURE_DEPENDENCIES';
+
+ if (-f 'aclocal.m4')
+ {
+ define_variable ("ACLOCAL_M4", '$(top_srcdir)/aclocal.m4', INTERNAL);
+
+ my $aclocal = new Automake::XFile "< aclocal.m4";
+ my $line = $aclocal->getline;
+ $regen_aclocal = $line =~ 'generated automatically by aclocal';
+ }
+
+ my @ac_deps = ();
+
+ if (set_seen ('ACLOCAL_M4_SOURCES'))
+ {
+ push (@ac_deps, '$(ACLOCAL_M4_SOURCES)');
+ msg_var ('obsolete', 'ACLOCAL_M4_SOURCES',
+ "'ACLOCAL_M4_SOURCES' is obsolete.\n"
+ . "It should be safe to simply remove it");
+ }
+
+ # Note that it might be possible that aclocal.m4 doesn't exist but
+ # should be auto-generated. This case probably isn't very
+ # important.
+
+ return ($regen_aclocal, @ac_deps);
+}
+
+
+# handle_configure ($MAKEFILE_AM, $MAKEFILE_IN, $MAKEFILE, @INPUTS)
+# -----------------------------------------------------------------
+# Handle remaking and configure stuff.
+# We need the name of the input file, to do proper remaking rules.
+sub handle_configure
+{
+ my ($makefile_am, $makefile_in, $makefile, @inputs) = @_;
+
+ prog_error 'empty @inputs'
+ unless @inputs;
+
+ my ($rel_makefile_am, $rel_makefile_in) = prepend_srcdir ($makefile_am,
+ $makefile_in);
+ my $rel_makefile = basename $makefile;
+
+ my $colon_infile = ':' . join (':', @inputs);
+ $colon_infile = '' if $colon_infile eq ":$makefile.in";
+ my @rewritten = rewrite_inputs_into_dependencies ($makefile, @inputs);
+ my ($regen_aclocal_m4, @aclocal_m4_deps) = scan_aclocal_m4;
+ define_pretty_variable ('am__aclocal_m4_deps', TRUE, INTERNAL,
+ @configure_deps, @aclocal_m4_deps,
+ '$(top_srcdir)/' . $configure_ac);
+ my @configuredeps = ('$(am__aclocal_m4_deps)', '$(CONFIGURE_DEPENDENCIES)');
+ push @configuredeps, '$(ACLOCAL_M4)' if -f 'aclocal.m4';
+ define_pretty_variable ('am__configure_deps', TRUE, INTERNAL,
+ @configuredeps);
+
+ my $automake_options = '--' . $strictness_name .
+ (global_option 'no-dependencies' ? ' --ignore-deps' : '');
+
+ $output_rules .= file_contents
+ ('configure',
+ new Automake::Location,
+ MAKEFILE => $rel_makefile,
+ 'MAKEFILE-DEPS' => "@rewritten",
+ 'CONFIG-MAKEFILE' => ($relative_dir eq '.') ? '$@' : '$(subdir)/$@',
+ 'MAKEFILE-IN' => $rel_makefile_in,
+ 'HAVE-MAKEFILE-IN-DEPS' => (@include_stack > 0),
+ 'MAKEFILE-IN-DEPS' => "@include_stack",
+ 'MAKEFILE-AM' => $rel_makefile_am,
+ 'AUTOMAKE-OPTIONS' => $automake_options,
+ 'MAKEFILE-AM-SOURCES' => "$makefile$colon_infile",
+ 'REGEN-ACLOCAL-M4' => $regen_aclocal_m4,
+ VERBOSE => verbose_flag ('GEN'));
+
+ if ($relative_dir eq '.')
+ {
+ push_dist_common ('acconfig.h')
+ if -f 'acconfig.h';
+ }
+
+ # If we have a configure header, require it.
+ my $hdr_index = 0;
+ my @distclean_config;
+ foreach my $spec (@config_headers)
+ {
+ $hdr_index += 1;
+ # $CONFIG_H_PATH: config.h from top level.
+ my ($config_h_path, @ins) = split_config_file_spec ($spec);
+ my $config_h_dir = dirname ($config_h_path);
+
+ # 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 $config_h_dir
+ || ($relative_dir eq '.' && ! is_make_dir ($config_h_dir)))
+ {
+ my ($cn_sans_dir, $stamp_dir);
+ if ($relative_dir eq $config_h_dir)
+ {
+ $cn_sans_dir = basename ($config_h_path);
+ $stamp_dir = '';
+ }
+ else
+ {
+ $cn_sans_dir = $config_h_path;
+ if ($config_h_dir eq '.')
+ {
+ $stamp_dir = '';
+ }
+ else
+ {
+ $stamp_dir = $config_h_dir . '/';
+ }
+ }
+
+ # This will also distribute all inputs.
+ @ins = rewrite_inputs_into_dependencies ($config_h_path, @ins);
+
+ # Cannot define rebuild rules for filenames with shell variables.
+ next if (substitute_ac_subst_variables $config_h_path) =~ /\$/;
+
+ # Header defined in this directory.
+ my @files;
+ if (-f $config_h_path . '.top')
+ {
+ push (@files, "$cn_sans_dir.top");
+ }
+ if (-f $config_h_path . '.bot')
+ {
+ push (@files, "$cn_sans_dir.bot");
+ }
+
+ push_dist_common (@files);
+
+ # For now, acconfig.h can only appear in the top srcdir.
+ if (-f 'acconfig.h')
+ {
+ push (@files, '$(top_srcdir)/acconfig.h');
+ }
+
+ my $stamp = "${stamp_dir}stamp-h${hdr_index}";
+ $output_rules .=
+ file_contents ('remake-hdr',
+ new Automake::Location,
+ FILES => "@files",
+ 'FIRST-HDR' => ($hdr_index == 1),
+ CONFIG_H => $cn_sans_dir,
+ CONFIG_HIN => $ins[0],
+ CONFIG_H_DEPS => "@ins",
+ CONFIG_H_PATH => $config_h_path,
+ STAMP => "$stamp");
+
+ push @distclean_config, $cn_sans_dir, $stamp;
+ }
+ }
+
+ $output_rules .= file_contents ('clean-hdr',
+ new Automake::Location,
+ FILES => "@distclean_config")
+ if @distclean_config;
+
+ # Distribute and define mkinstalldirs only if it is already present
+ # in the package, for backward compatibility (some people may still
+ # use $(mkinstalldirs)).
+ # TODO: start warning about this in Automake 1.14, and have
+ # TODO: Automake 2.0 drop it (and the mkinstalldirs script
+ # TODO: as well).
+ my $mkidpath = "$config_aux_dir/mkinstalldirs";
+ if (-f $mkidpath)
+ {
+ # Use require_file so that any existing script gets updated
+ # by --force-missing.
+ require_conf_file ($mkidpath, FOREIGN, 'mkinstalldirs');
+ define_variable ('mkinstalldirs',
+ "\$(SHELL) $am_config_aux_dir/mkinstalldirs", INTERNAL);
+ }
+ else
+ {
+ # Use $(install_sh), not $(MKDIR_P) because the latter requires
+ # at least one argument, and $(mkinstalldirs) used to work
+ # even without arguments (e.g. $(mkinstalldirs) $(conditional_dir)).
+ define_variable ('mkinstalldirs', '$(install_sh) -d', INTERNAL);
+ }
+
+ reject_var ('CONFIG_HEADER',
+ "'CONFIG_HEADER' is an anachronism; now determined "
+ . "automatically\nfrom '$configure_ac'");
+
+ my @config_h;
+ foreach my $spec (@config_headers)
+ {
+ my ($out, @ins) = split_config_file_spec ($spec);
+ # Generate CONFIG_HEADER define.
+ if ($relative_dir eq dirname ($out))
+ {
+ push @config_h, basename ($out);
+ }
+ else
+ {
+ push @config_h, "\$(top_builddir)/$out";
+ }
+ }
+ define_variable ("CONFIG_HEADER", "@config_h", INTERNAL)
+ if @config_h;
+
+ # Now look for other files in this directory which must be remade
+ # by config.status, and generate rules for them.
+ my @actual_other_files = ();
+ # These get cleaned only in a VPATH build.
+ my @actual_other_vpath_files = ();
+ foreach my $lfile (@other_input_files)
+ {
+ my $file;
+ my @inputs;
+ if ($lfile =~ /^([^:]*):(.*)$/)
+ {
+ # This is the ":" syntax of AC_OUTPUT.
+ $file = $1;
+ @inputs = split (':', $2);
+ }
+ else
+ {
+ # Normal usage.
+ $file = $lfile;
+ @inputs = $file . '.in';
+ }
+
+ # Automake files should not be stored in here, but in %MAKE_LIST.
+ prog_error ("$lfile in \@other_input_files\n"
+ . "\@other_input_files = (@other_input_files)")
+ if -f $file . '.am';
+
+ my $local = basename ($file);
+
+ # We skip files that aren't in this directory. However, if
+ # the file's directory does not have a Makefile, and we are
+ # currently doing '.', then we create a rule to rebuild the
+ # file in the subdir.
+ my $fd = dirname ($file);
+ if ($fd ne $relative_dir)
+ {
+ if ($relative_dir eq '.' && ! is_make_dir ($fd))
+ {
+ $local = $file;
+ }
+ else
+ {
+ next;
+ }
+ }
+
+ my @rewritten_inputs = rewrite_inputs_into_dependencies ($file, @inputs);
+
+ # Cannot output rules for shell variables.
+ next if (substitute_ac_subst_variables $local) =~ /\$/;
+
+ my $condstr = '';
+ my $cond = $ac_config_files_condition{$lfile};
+ if (defined $cond)
+ {
+ $condstr = $cond->subst_string;
+ Automake::Rule::define ($local, $configure_ac, RULE_AUTOMAKE, $cond,
+ $ac_config_files_location{$file});
+ }
+ $output_rules .= ($condstr . $local . ': '
+ . '$(top_builddir)/config.status '
+ . "@rewritten_inputs\n"
+ . $condstr . "\t"
+ . 'cd $(top_builddir) && '
+ . '$(SHELL) ./config.status '
+ . ($relative_dir eq '.' ? '' : '$(subdir)/')
+ . '$@'
+ . "\n");
+ push (@actual_other_files, $local);
+ }
+
+ # For links we should clean destinations and distribute sources.
+ foreach my $spec (@config_links)
+ {
+ my ($link, $file) = split /:/, $spec;
+ # Some people do AC_CONFIG_LINKS($computed). We only handle
+ # the DEST:SRC form.
+ next unless $file;
+ my $where = $ac_config_files_location{$link};
+
+ # Skip destinations that contain shell variables.
+ if ((substitute_ac_subst_variables $link) !~ /\$/)
+ {
+ # We skip links that aren't in this directory. However, if
+ # the link's directory does not have a Makefile, and we are
+ # currently doing '.', then we add the link to CONFIG_CLEAN_FILES
+ # in '.'s Makefile.in.
+ my $local = basename ($link);
+ my $fd = dirname ($link);
+ if ($fd ne $relative_dir)
+ {
+ if ($relative_dir eq '.' && ! is_make_dir ($fd))
+ {
+ $local = $link;
+ }
+ else
+ {
+ $local = undef;
+ }
+ }
+ if ($file ne $link)
+ {
+ push @actual_other_files, $local if $local;
+ }
+ else
+ {
+ push @actual_other_vpath_files, $local if $local;
+ }
+ }
+
+ # Do not process sources that contain shell variables.
+ if ((substitute_ac_subst_variables $file) !~ /\$/)
+ {
+ my $fd = dirname ($file);
+
+ # We distribute files that are in this directory.
+ # At the top-level ('.') we also distribute files whose
+ # directory does not have a Makefile.
+ if (($fd eq $relative_dir)
+ || ($relative_dir eq '.' && ! is_make_dir ($fd)))
+ {
+ # The following will distribute $file as a side-effect when
+ # it is appropriate (i.e., when $file is not already an output).
+ # We do not need the result, just the side-effect.
+ rewrite_inputs_into_dependencies ($link, $file);
+ }
+ }
+ }
+
+ # These files get removed by "make distclean".
+ define_pretty_variable ('CONFIG_CLEAN_FILES', TRUE, INTERNAL,
+ @actual_other_files);
+ define_pretty_variable ('CONFIG_CLEAN_VPATH_FILES', TRUE, INTERNAL,
+ @actual_other_vpath_files);
+}
+
+
+# ($OUTPUT, @INPUTS)
+# split_config_file_spec ($SPEC)
+# ------------------------------
+# Decode the Autoconf syntax for config files (files, headers, links
+# etc.).
+sub split_config_file_spec
+{
+ my ($spec) = @_;
+ my ($output, @inputs) = split (/:/, $spec);
+
+ push @inputs, "$output.in"
+ unless @inputs;
+
+ return ($output, @inputs);
+}
+
+
+# scan_autoconf_config_files ($WHERE, $CONFIG-FILES)
+# --------------------------------------------------
+# Study $CONFIG-FILES which is the first argument to AC_CONFIG_FILES
+# (or AC_OUTPUT).
+sub scan_autoconf_config_files
+{
+ my ($where, $config_files) = @_;
+
+ # Look at potential Makefile.am's.
+ foreach (split ' ', $config_files)
+ {
+ # Must skip empty string for Perl 4.
+ next if $_ eq "\\" || $_ eq '';
+
+ # Handle $local:$input syntax.
+ my ($local, @rest) = split (/:/);
+ @rest = ("$local.in",) unless @rest;
+ # Keep in sync with test 'conffile-leading-dot.sh'.
+ msg ('unsupported', $where,
+ "omit leading './' from config file names such as '$local';"
+ . "\nremake rules might be subtly broken otherwise")
+ if ($local =~ /^\.\//);
+ my $input = locate_am @rest;
+ if ($input)
+ {
+ # We have a file that automake should generate.
+ $make_list{$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, $_);
+ }
+ $ac_config_files_location{$local} = $where;
+ $ac_config_files_condition{$local} =
+ new Automake::Condition (@cond_stack)
+ if (@cond_stack);
+ }
+}
+
+
+sub scan_autoconf_traces
+{
+ my ($filename, $traces) = @_;
+
+ # Macros to trace, with their minimal number of arguments.
+ #
+ # IMPORTANT: If you add a macro here, you should also add this macro
+ # ========= to Automake-preselection in autoconf/lib/autom4te.in.
+ my %traced = (
+ AC_CANONICAL_BUILD => 0,
+ AC_CANONICAL_HOST => 0,
+ AC_CANONICAL_TARGET => 0,
+ AC_CONFIG_AUX_DIR => 1,
+ AC_CONFIG_FILES => 1,
+ AC_CONFIG_HEADERS => 1,
+ AC_CONFIG_LIBOBJ_DIR => 1,
+ AC_CONFIG_LINKS => 1,
+ AC_FC_SRCEXT => 1,
+ AC_INIT => 0,
+ AC_LIBSOURCE => 1,
+ AC_REQUIRE_AUX_FILE => 1,
+ AC_SUBST_TRACE => 1,
+ AM_AUTOMAKE_VERSION => 1,
+ AM_PROG_MKDIR_P => 0,
+ AM_CONDITIONAL => 2,
+ AM_EXTRA_RECURSIVE_TARGETS => 1,
+ AM_GNU_GETTEXT => 0,
+ AM_GNU_GETTEXT_INTL_SUBDIR => 0,
+ AM_INIT_AUTOMAKE => 0,
+ AM_MAINTAINER_MODE => 0,
+ AM_PROG_AR => 0,
+ _AM_SUBST_NOTMAKE => 1,
+ _AM_COND_IF => 1,
+ _AM_COND_ELSE => 1,
+ _AM_COND_ENDIF => 1,
+ LT_SUPPORTED_TAG => 1,
+ _LT_AC_TAGCONFIG => 0,
+ m4_include => 1,
+ m4_sinclude => 1,
+ sinclude => 1,
+ );
+
+ # Use a separator unlikely to be used, not ':', the default, which
+ # has a precise meaning for AC_CONFIG_FILES and so on.
+ $traces .= join (' ',
+ map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
+ (keys %traced));
+
+ my $tracefh = new Automake::XFile ("$traces $filename |");
+ verb "reading $traces";
+
+ @cond_stack = ();
+ my $where;
+
+ while ($_ = $tracefh->getline)
+ {
+ chomp;
+ my ($here, $depth, @args) = split (/::/);
+ $where = new Automake::Location $here;
+ my $macro = $args[0];
+
+ prog_error ("unrequested trace '$macro'")
+ unless exists $traced{$macro};
+
+ # Skip and diagnose malformed calls.
+ if ($#args < $traced{$macro})
+ {
+ msg ('syntax', $where, "not enough arguments for $macro");
+ next;
+ }
+
+ # Alphabetical ordering please.
+ if ($macro eq 'AC_CANONICAL_BUILD')
+ {
+ if ($seen_canonical <= AC_CANONICAL_BUILD)
+ {
+ $seen_canonical = AC_CANONICAL_BUILD;
+ }
+ }
+ elsif ($macro eq 'AC_CANONICAL_HOST')
+ {
+ if ($seen_canonical <= AC_CANONICAL_HOST)
+ {
+ $seen_canonical = AC_CANONICAL_HOST;
+ }
+ }
+ elsif ($macro eq 'AC_CANONICAL_TARGET')
+ {
+ $seen_canonical = AC_CANONICAL_TARGET;
+ }
+ elsif ($macro eq 'AC_CONFIG_AUX_DIR')
+ {
+ if ($seen_init_automake)
+ {
+ error ($where, "AC_CONFIG_AUX_DIR must be called before "
+ . "AM_INIT_AUTOMAKE ...", partial => 1);
+ error ($seen_init_automake, "... AM_INIT_AUTOMAKE called here");
+ }
+ $config_aux_dir = $args[1];
+ $config_aux_dir_set_in_configure_ac = 1;
+ check_directory ($config_aux_dir, $where);
+ }
+ elsif ($macro eq 'AC_CONFIG_FILES')
+ {
+ # Look at potential Makefile.am's.
+ scan_autoconf_config_files ($where, $args[1]);
+ }
+ elsif ($macro eq 'AC_CONFIG_HEADERS')
+ {
+ foreach my $spec (split (' ', $args[1]))
+ {
+ my ($dest, @src) = split (':', $spec);
+ $ac_config_files_location{$dest} = $where;
+ push @config_headers, $spec;
+ }
+ }
+ elsif ($macro eq 'AC_CONFIG_LIBOBJ_DIR')
+ {
+ $config_libobj_dir = $args[1];
+ check_directory ($config_libobj_dir, $where);
+ }
+ elsif ($macro eq 'AC_CONFIG_LINKS')
+ {
+ foreach my $spec (split (' ', $args[1]))
+ {
+ my ($dest, $src) = split (':', $spec);
+ $ac_config_files_location{$dest} = $where;
+ push @config_links, $spec;
+ }
+ }
+ elsif ($macro eq 'AC_FC_SRCEXT')
+ {
+ my $suffix = $args[1];
+ # These flags are used as %SOURCEFLAG% in depend2.am,
+ # where the trailing space is important.
+ $sourceflags{'.' . $suffix} = '$(FCFLAGS_' . $suffix . ') '
+ if ($suffix eq 'f90' || $suffix eq 'f95' || $suffix eq 'f03' || $suffix eq 'f08');
+ }
+ elsif ($macro eq 'AC_INIT')
+ {
+ if (defined $args[2])
+ {
+ $package_version = $args[2];
+ $package_version_location = $where;
+ }
+ }
+ elsif ($macro eq 'AC_LIBSOURCE')
+ {
+ $libsources{$args[1]} = $here;
+ }
+ elsif ($macro eq 'AC_REQUIRE_AUX_FILE')
+ {
+ # Only remember the first time a file is required.
+ $required_aux_file{$args[1]} = $where
+ unless exists $required_aux_file{$args[1]};
+ }
+ elsif ($macro eq 'AC_SUBST_TRACE')
+ {
+ # Just check for alphanumeric in AC_SUBST_TRACE. If you do
+ # AC_SUBST(5), then too bad.
+ $configure_vars{$args[1]} = $where
+ if $args[1] =~ /^\w+$/;
+ }
+ elsif ($macro eq 'AM_AUTOMAKE_VERSION')
+ {
+ error ($where,
+ "version mismatch. This is Automake $VERSION,\n" .
+ "but the definition used by this AM_INIT_AUTOMAKE\n" .
+ "comes from Automake $args[1]. You should recreate\n" .
+ "aclocal.m4 with aclocal and run automake again.\n",
+ # $? = 63 is used to indicate version mismatch to missing.
+ exit_code => 63)
+ if $VERSION ne $args[1];
+
+ $seen_automake_version = 1;
+ }
+ elsif ($macro eq 'AM_PROG_MKDIR_P')
+ {
+ msg 'obsolete', $where, <<'EOF';
+The 'AM_PROG_MKDIR_P' macro is deprecated, and its use is discouraged.
+You should use the Autoconf-provided 'AC_PROG_MKDIR_P' macro instead,
+and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files.
+EOF
+ }
+ elsif ($macro eq 'AM_CONDITIONAL')
+ {
+ $configure_cond{$args[1]} = $where;
+ }
+ elsif ($macro eq 'AM_EXTRA_RECURSIVE_TARGETS')
+ {
+ # Empty leading/trailing fields might be produced by split,
+ # hence the grep is really needed.
+ push @extra_recursive_targets,
+ grep (/./, (split /\s+/, $args[1]));
+ }
+ elsif ($macro eq 'AM_GNU_GETTEXT')
+ {
+ $seen_gettext = $where;
+ $ac_gettext_location = $where;
+ $seen_gettext_external = grep ($_ eq 'external', @args);
+ }
+ elsif ($macro eq 'AM_GNU_GETTEXT_INTL_SUBDIR')
+ {
+ $seen_gettext_intl = $where;
+ }
+ elsif ($macro eq 'AM_INIT_AUTOMAKE')
+ {
+ $seen_init_automake = $where;
+ if (defined $args[2])
+ {
+ msg 'obsolete', $where, <<'EOF';
+AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated. For more info, see:
+https://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation
+EOF
+ $package_version = $args[2];
+ $package_version_location = $where;
+ }
+ elsif (defined $args[1])
+ {
+ my @opts = split (' ', $args[1]);
+ @opts = map { { option => $_, where => $where } } @opts;
+ exit $exit_code unless process_global_option_list (@opts);
+ }
+ }
+ elsif ($macro eq 'AM_MAINTAINER_MODE')
+ {
+ $seen_maint_mode = $where;
+ }
+ elsif ($macro eq 'AM_PROG_AR')
+ {
+ $seen_ar = $where;
+ }
+ elsif ($macro eq '_AM_COND_IF')
+ {
+ cond_stack_if ('', $args[1], $where);
+ error ($where, "missing m4 quoting, macro depth $depth")
+ if ($depth != 1);
+ }
+ elsif ($macro eq '_AM_COND_ELSE')
+ {
+ cond_stack_else ('!', $args[1], $where);
+ error ($where, "missing m4 quoting, macro depth $depth")
+ if ($depth != 1);
+ }
+ elsif ($macro eq '_AM_COND_ENDIF')
+ {
+ cond_stack_endif (undef, undef, $where);
+ error ($where, "missing m4 quoting, macro depth $depth")
+ if ($depth != 1);
+ }
+ elsif ($macro eq '_AM_SUBST_NOTMAKE')
+ {
+ $ignored_configure_vars{$args[1]} = $where;
+ }
+ elsif ($macro eq 'm4_include'
+ || $macro eq 'm4_sinclude'
+ || $macro eq 'sinclude')
+ {
+ # Skip missing 'sinclude'd files.
+ next if $macro ne 'm4_include' && ! -f $args[1];
+
+ # Some modified versions of Autoconf don't use
+ # frozen files. Consequently it's possible that we see all
+ # m4_include's performed during Autoconf's startup.
+ # Obviously we don't want to distribute Autoconf's files
+ # so we skip absolute filenames here.
+ push @configure_deps, '$(top_srcdir)/' . $args[1]
+ unless $here =~ m,^(?:\w:)?[\\/],;
+ # Keep track of the greatest timestamp.
+ if (-e $args[1])
+ {
+ my $mtime = mtime $args[1];
+ $configure_deps_greatest_timestamp = $mtime
+ if $mtime > $configure_deps_greatest_timestamp;
+ }
+ }
+ elsif ($macro eq 'LT_SUPPORTED_TAG')
+ {
+ $libtool_tags{$args[1]} = 1;
+ $libtool_new_api = 1;
+ }
+ elsif ($macro eq '_LT_AC_TAGCONFIG')
+ {
+ # _LT_AC_TAGCONFIG is an old macro present in Libtool 1.5.
+ # We use it to detect whether tags are supported. Our
+ # preferred interface is LT_SUPPORTED_TAG, but it was
+ # introduced in Libtool 1.6.
+ if (0 == keys %libtool_tags)
+ {
+ # Hardcode the tags supported by Libtool 1.5.
+ %libtool_tags = (CC => 1, CXX => 1, GCJ => 1, F77 => 1);
+ }
+ }
+ }
+
+ error ($where, "condition stack not properly closed")
+ if (@cond_stack);
+
+ $tracefh->close;
+}
+
+
+# Check whether we use 'configure.ac' or 'configure.in'.
+# Scan it (and possibly 'aclocal.m4') for interesting things.
+# We must scan aclocal.m4 because there might be AC_SUBSTs and such there.
+sub scan_autoconf_files
+{
+ my ($traces) = @_;
+
+ # Reinitialize libsources here. This isn't really necessary,
+ # since we currently assume there is only one configure.ac. But
+ # that won't always be the case.
+ %libsources = ();
+
+ # Keep track of the youngest configure dependency.
+ $configure_deps_greatest_timestamp = mtime $configure_ac;
+ if (-e 'aclocal.m4')
+ {
+ my $mtime = mtime 'aclocal.m4';
+ $configure_deps_greatest_timestamp = $mtime
+ if $mtime > $configure_deps_greatest_timestamp;
+ }
+
+ scan_autoconf_traces ($configure_ac, $traces);
+
+ @configure_input_files = sort keys %make_list;
+ # Set input and output files if not specified by user.
+ if (! @input_files)
+ {
+ @input_files = @configure_input_files;
+ %output_files = %make_list;
+ }
+
+
+ if (! $seen_init_automake)
+ {
+ err_ac ("no proper invocation of AM_INIT_AUTOMAKE was found.\nYou "
+ . "should verify that $configure_ac invokes AM_INIT_AUTOMAKE,"
+ . "\nthat aclocal.m4 is present in the top-level directory,\n"
+ . "and that aclocal.m4 was recently regenerated "
+ . "(using aclocal)");
+ }
+ else
+ {
+ if (! $seen_automake_version)
+ {
+ if (-f 'aclocal.m4')
+ {
+ error ($seen_init_automake,
+ "your implementation of AM_INIT_AUTOMAKE comes from " .
+ "an\nold Automake version. You should recreate " .
+ "aclocal.m4\nwith aclocal and run automake again",
+ # $? = 63 is used to indicate version mismatch to missing.
+ exit_code => 63);
+ }
+ else
+ {
+ error ($seen_init_automake,
+ "no proper implementation of AM_INIT_AUTOMAKE was " .
+ "found,\nprobably because aclocal.m4 is missing.\n" .
+ "You should run aclocal to create this file, then\n" .
+ "run automake again");
+ }
+ }
+ }
+
+ locate_aux_dir ();
+
+ # 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 for
+ # push_required_file to work.
+ # Sort the files for stable verbose output.
+ $relative_dir = '.';
+ foreach my $file (sort keys %required_aux_file)
+ {
+ require_conf_file ($required_aux_file{$file}->get, FOREIGN, $file)
+ }
+ err_am "'install.sh' is an anachronism; use 'install-sh' instead"
+ if -f $config_aux_dir . '/install.sh';
+
+ # Preserve dist_common for later.
+ @configure_dist_common = @dist_common;
+}
+
+
+1;
use 5.006;
use strict;
+use Automake::Channels;
use Automake::Global;
use Automake::Location;
use Automake::Options;
$config_aux_dir_set_in_configure_ac $seen_maint_mode $relative_dir
$seen_canonical $am_file_cache &var_SUFFIXES_trigger &locate_aux_dir
&subst &make_paragraphs &flatten &canonicalize &push_dist_common
- &is_make_dir &backname &get_number_of_threads &locate_am);
+ &is_make_dir &backname &get_number_of_threads &locate_am &prepend_srcdir
+ &rewrite_inputs_into_dependencies &substitute_ac_subst_variables
+ &check_directory);
# Directory to search for configure-required files. This
# will be computed by locate_aux_dir() and can be set using
}
+# @DEPENDENCIES
+# prepend_srcdir (@INPUTS)
+# ------------------------
+# Prepend $(srcdir) or $(top_srcdir) to all @INPUTS. The idea is that
+# if an input file has a directory part the same as the current
+# directory, then the directory part is simply replaced by $(srcdir).
+# But if the directory part is different, then $(top_srcdir) is
+# prepended.
+sub prepend_srcdir
+{
+ my (@inputs) = @_;
+ my @newinputs;
+
+ foreach my $single (@inputs)
+ {
+ if (dirname ($single) eq $relative_dir)
+ {
+ push (@newinputs, '$(srcdir)/' . basename ($single));
+ }
+ else
+ {
+ push (@newinputs, '$(top_srcdir)/' . $single);
+ }
+ }
+ return @newinputs;
+}
+
+
+# Helper function for 'substitute_ac_subst_variables'.
+sub substitute_ac_subst_variables_worker
+{
+ my ($token) = @_;
+ return "\@$token\@" if var $token;
+ return "\${$token\}";
+}
+
+
+# substitute_ac_subst_variables ($TEXT)
+# -------------------------------------
+# Replace any occurrence of ${FOO} in $TEXT by @FOO@ if FOO is an AC_SUBST
+# variable.
+sub substitute_ac_subst_variables
+{
+ my ($text) = @_;
+ $text =~ s/\$[{]([^ \t=:+{}]+)}/substitute_ac_subst_variables_worker ($1)/ge;
+ return $text;
+}
+
+
+# @DEPENDENCIES
+# rewrite_inputs_into_dependencies ($OUTPUT, @INPUTS)
+# ---------------------------------------------------
+# Compute a list of dependencies appropriate for the rebuild
+# rule of
+# AC_CONFIG_FILES($OUTPUT:$INPUT[0]:$INPUTS[1]:...)
+# Also distribute $INPUTs which are not built by another AC_CONFIG_FOOs.
+sub rewrite_inputs_into_dependencies
+{
+ my ($file, @inputs) = @_;
+ my @res = ();
+
+ for my $i (@inputs)
+ {
+ # We cannot create dependencies on shell variables.
+ next if (substitute_ac_subst_variables $i) =~ /\$/;
+
+ if (exists $ac_config_files_location{$i} && $i ne $file)
+ {
+ my $di = dirname $i;
+ if ($di eq $relative_dir)
+ {
+ $i = basename $i;
+ }
+ # In the top-level Makefile we do not use $(top_builddir), because
+ # we are already there, and since the targets are built without
+ # a $(top_builddir), it helps BSD Make to match them with
+ # dependencies.
+ elsif ($relative_dir ne '.')
+ {
+ $i = '$(top_builddir)/' . $i;
+ }
+ }
+ else
+ {
+ msg ('error', $ac_config_files_location{$file},
+ "required file '$i' not found")
+ unless $i =~ /\$/ || exists $output_files{$i} || -f $i;
+ ($i) = prepend_srcdir ($i);
+ push_dist_common ($i);
+ }
+ push @res, $i;
+ }
+ return @res;
+}
+
+
+# check_directory ($NAME, $WHERE [, $RELATIVE_DIR = "."])
+# -------------------------------------------------------
+# Ensure $NAME is a directory (in $RELATIVE_DIR), and that it uses a sane
+# name. Use $WHERE as a location in the diagnostic, if any.
+sub check_directory
+{
+ my ($dir, $where, $reldir) = @_;
+ $reldir = '.' unless defined $reldir;
+
+ error $where, "required directory $reldir/$dir does not exist"
+ unless -d "$reldir/$dir";
+
+ # If an 'obj/' directory exists, BSD make will enter it before
+ # reading 'Makefile'. Hence the 'Makefile' in the current directory
+ # will not be read.
+ #
+ # % cat Makefile
+ # all:
+ # echo Hello
+ # % cat obj/Makefile
+ # all:
+ # echo World
+ # % make # GNU make
+ # echo Hello
+ # Hello
+ # % pmake # BSD make
+ # echo World
+ # World
+ msg ('portability', $where,
+ "naming a subdirectory 'obj' causes troubles with BSD make")
+ if $dir eq 'obj';
+
+ # 'aux' is probably the most important of the following forbidden name,
+ # since it's tempting to use it as an AC_CONFIG_AUX_DIR.
+ msg ('portability', $where,
+ "name '$dir' is reserved on W32 and DOS platforms")
+ if grep (/^\Q$dir\E$/i, qw/aux lpt1 lpt2 lpt3 com1 com2 com3 com4 con prn/);
+}
+
+
1;
%D%/General.pm \
%D%/Global.pm \
%D%/Getopt.pm \
+ %D%/HandleConfigure.pm \
%D%/Item.pm \
%D%/ItemDef.pm \
%D%/LangHandling.pm \
projects / thirdparty / automake.git / commitdiff
