AutoGen.pm

   1 #! /usr/bin/perl
   2 #
   3 # $Id$
   4 # Module to generate all the initial makefiles etc.
   5 # Copyright (C) 2002 Jan Kratochvil <project-macros@jankratochvil.net>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; exactly version 2 of June 1991 is required
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19
  20
  21 package AutoGen;
  22 require 5.6.0;  # at least 'use warnings;' but we need some 5.6.0+ modules anyway
  23 use vars qw($VERSION);
  24 $VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
  25 use strict;
  26 use warnings;
  27
  28 BEGIN {
  29         my @missing;
  30         for (split "\n",<<'HERE') {
  31                 use Carp qw(cluck confess);
  32                 use Getopt::Long;       # &GetOptions, $Getopt::Long::*
  33                 use File::Basename;     # &basename
  34                 use File::Grep qw(fgrep);
  35                 use File::HomeDir;      # &home
  36                 use File::Remove qw(remove);
  37                 use File::NCopy qw(copy);
  38                 use File::chdir;        # $CWD
  39                 use File::Touch;        # &touch
  40                 use POSIX qw(WIFEXITED WEXITSTATUS WIFSIGNALED WTERMSIG WIFSTOPPED WSTOPSIG);
  41 HERE
  42                 eval "$_\n; 1;" or push @missing,(/^\s*use\s+([^ ;]+)/)[0];
  43                 }
  44         die "You are missing some modules - install them by:\n"
  45                                         ."\tperl -MCPAN -e 'install qw(".join(" ",@missing).")'\n"
  46                                         ."If you see messages: Writing Makefile for <packagename> -- NOT OK\n"
  47                                         ."you may did not have installed make(1) while configuring Perl CPAN.\n"
  48                                         ."Install make(1) and type 'o conf init' in: perl -MCPAN -e shell\n"
  49                         if @missing;
  50         }
  51
  52 our %Options;
  53
  54 sub _help
  55 {
  56         return '
  57 Beware: '.basename($0).' is a tool only for maintainers!
  58
  59 Supported parameters:
  60  --rpm       Build RPM packages locally (needs /usr/src/(redhat|packages)/ access)
  61  --rpmtest   Build RPM like "rpm" but w/o gpg/pgp signing
  62  --deb       Build DEB packages locally
  63  --debtest   Build DEB like "deb" but w/o gpg/pgp signing
  64  --clean     Standard cleanup method
  65  --fullclean Like clean but even the .cvsignore files are removed
  66  --copy      Behave exactly like in default mode but copy all instead of symlinks
  67  -h|--help   Print this help message.
  68 '.($Options{"help"} || "");
  69 }
  70
  71 sub checkcommandversion
  72 {
  73 my($class,$command,$version)=@_;
  74
  75         local *F;
  76         do { open F,$_ or confess "Open $_: $!"; } for ("$command --version|");
  77         local $/;
  78         undef $/;
  79         my $command_out=<F>;
  80         close F;
  81         my $command_version=($command_out=~m#([\d.]+)#)[0];
  82         confess "$command(1) version not found in its output" if !$command_version;
  83         confess "'$command' version $version or higher required"
  84                         # Do not take 3rd+ numbers as it would not be a number
  85                         if ($command_version=~/^(\d+[.]\d+)/)[0]<$version;
  86 }
  87
  88 sub _readfile
  89 {
  90 my($filename)=@_;
  91
  92         local $/=undef();
  93         local *F;
  94         open F,$filename or confess "Open \"$filename\": $!";
  95         my $r=<F>;
  96         close F or confess "Close \"$filename\": $!";   # Do not &cluck as it may be pipe result
  97         return $r;
  98 }
  99
 100 sub _writefile
 101 {
 102 my($filename,@content)=@_;
 103
 104         local *F;
 105         open F,($filename=~/^[|]/ ? "" : ">").$filename or confess "rewrite \"$filename\": $!";
 106         print F @content;
 107         close F or confess "close \"$filename\": $!";   # Do not &cluck as it may be pipe result
 108 }
 109
 110 my %_rpmeval_cache;
 111 sub _rpmeval
 112 {
 113 my(@names)=@_;
 114
 115         my @r=map({
 116                 my $name=$_;
 117                 my $nameref=\$_rpmeval_cache{$name};
 118                 $$nameref=_readfile('rpm --eval %'.$name.'|') if !defined $$nameref;
 119                 chomp $$nameref;
 120                 $$nameref;
 121                 } @names);
 122         return @r if wantarray();
 123         confess "Scalar return for ".scalar(@r)." values" if 1!=@r;
 124         return $r[0];
 125 }
 126
 127 sub _system_error
 128 {
 129 my($code,$cmd)=@_;
 130
 131         confess $cmd.": $code=".join(",",
 132                         (!WIFEXITED($code)   ? () : ("EXITSTATUS(".WEXITSTATUS($code).")")),
 133                         (!WIFSIGNALED($code) ? () : ("TERMSIG("   .WTERMSIG($code)   .")")),
 134                         (!WIFSTOPPED($code)  ? () : ("STOPSIG("   .WSTOPSIG($code)   .")")),
 135                         );
 136 }
 137
 138 sub _system
 139 {
 140 my(@args)=@_;
 141
 142         my $rc_sub=pop @args if ref $args[$#args];
 143         $rc_sub||=sub { $_[0]==0; };
 144         my $rc=system(@args);
 145         _system_error $?,join(" ",@args) if !WIFEXITED($?) || !&{$rc_sub}(WEXITSTATUS($?));
 146 }
 147
 148 # Assumed wildcard pattern expansion to exactly one item if !$nocheck
 149 sub _copy
 150 {
 151 my(@files)=@_;
 152
 153         my $nocheck=shift @files if $files[0] eq "nocheck";
 154         my $flag=shift @files if ref $files[0];
 155         my $dest=pop @files;
 156         # expand pattern to properly match &copy resulting filenames count
 157         @files=map({ glob $_; } @files);
 158         @files==copy((!$flag ? () : $flag),@files,$dest) or $nocheck or confess "$!";
 159 }
 160
 161 # Assumed wildcard pattern expansion to exactly one item if !$nocheck
 162 sub _remove
 163 {
 164 my(@files)=@_;
 165
 166         my $nocheck=shift @files if $files[0] eq "nocheck";
 167         my $flag=shift @files if ref $files[0];
 168         # expand pattern to properly match &remove resulting filenames count
 169         @files=map({ glob $_; } @files);
 170         @files==remove((!$flag ? () : $flag),@files) or $nocheck or confess "$!";
 171 }
 172
 173 # FIXME: File::NCopy exists but File::NMove doesn't
 174 sub _move
 175 {
 176 my(@files)=@_;
 177
 178         my $dest=pop @files;
 179         _copy @files,$dest;
 180         _remove @files;
 181 }
 182
 183 sub _mkdir
 184 {
 185 my(@dirs)=@_;
 186
 187         for (@dirs) {
 188                 mkdir $_ or confess "$!";
 189                 }
 190 }
 191
 192 sub _prepdist
 193 {
 194 my($class,$name)=@_;
 195
 196         my($specsrc)=map((-e $_ ? $_ : "$name.spec.in"),"$name.spec.m4.in");
 197         my $spec=_readfile $specsrc;
 198         $spec=~s/\\\n/ /gs;
 199         my $configure_args=($spec=~/^[%]configure\b[ \t]*(.*)$/m)[0];
 200         $configure_args=~s/--disable-gtk-doc\b/--enable-gtk-doc/g;      # optional; gtk-doc reqd for 'make dist'
 201         $class->run(%Options,
 202                         "ARGV"=>[qw(--copy)],
 203                         "configure_args"=>[split /\s+/,$configure_args],
 204                         );
 205         _remove "nocheck",($Options{"ChangeLog"} || "ChangeLog");       # force its rebuild by Makefile/rcs2log
 206 }
 207
 208 # $args{
 209 #       "sign"=>bool,
 210 #       },
 211 sub _rpmbuild
 212 {
 213 my($class,%args)=@_;
 214
 215         my $name=$Options{"name"};
 216         _remove "nocheck",\1,
 217                         _rpmeval("_tmppath" )."/$name-*-root",
 218                         _rpmeval("_builddir")."/$name-*";
 219         $class->_prepdist($name);
 220         _system "make $name.spec";
 221         my $spec=_readfile "$name.spec";
 222         my $patch=($spec=~/^Patch\d*\s*:\s*(.*)$/m)[0];
 223         _system "make dist";
 224         if (!$patch) {
 225                 _copy "$name-*.tar.gz",_rpmeval("_sourcedir");
 226                 }
 227         else {
 228                 my @origs;
 229                 for my $glob ("orig-$name-*.tar.{gz,Z,bz2}") {
 230                         @origs=glob $glob;
 231                         confess "Invalid glob $glob: ".join(",",@origs) if 1!=@origs;
 232                         }
 233                 my($base,$ext)=($origs[0]=~/^orig-(.*)[.]tar[.](gz|Z|bz2)$/);
 234                 _copy $origs[0],_rpmeval("_sourcedir")."/".($origs[0]=~/^orig-(.*)$/)[0];
 235                 _system "tar x".($ext eq "bz2" ? "j" : "z")."f ".$origs[0];
 236                 _mkdir $base."-orig";
 237                 # FIXME: Copy also dot-prefixed files!
 238                 _move \1,$base."/*",$base."-orig/";
 239                 _system "tar xzf $name-*.tar.gz";
 240                 # Use single-argument system() as we need shell redirection.
 241                 # FIXME: Use directory-independent _cleanfiles(), not root-directory '.cvsignore'.
 242                 #        "-X -" does not work, it needs to be stat(2)able file.
 243                 _system "diff -ruP -X .cvsignore -I '".'[$]\(Id\|RCSfile\)\>.*[$]'."'"
 244                                 ." $base-orig/ $base/"
 245                                 ." >"._rpmeval("_sourcedir")."/".$patch,
 246                                 sub { $_[0]==0 || $_[0]==1; };  # diff(1) returns non-zero return code on any diffs.
 247                 _remove \1,$base,$base."-orig";
 248                 }
 249         _system(join(" ","rpmbuild",
 250                         "-ba",
 251                         "--rmsource",   # _remove _rpmeval("_sourcedir")."/$name-*.tar.gz";
 252                         "--clean",      # _remove _rpmeval("_builddir")."/$name-VERSION";
 253                         (!$args{"sign"} ? () : "--sign"),
 254                         "$name.spec",
 255                         ));
 256         _system "make dist-tarZ" if $Options{"dist-tarZ"};
 257         _move _rpmeval("_srcrpmdir")."/$name-*.src.rpm",".";
 258         _move _rpmeval("_rpmdir")."/"._rpmeval("_target_cpu")."/$name-*."._rpmeval("_target_cpu").".rpm",".";
 259         _system "ls -l $name-*";
 260         exit 0; # should never return
 261 }
 262
 263 # $args{
 264 #       "sign"=>bool,
 265 #       },
 266 sub _debbuild
 267 {
 268 my($class,%args)=@_;
 269
 270         my $name=$Options{"name"};
 271         $class->_prepdist($name);
 272         _system "make distdir";
 273         # Copy 'orig' archive after &_prepdist which would delete it.
 274         my @origs;
 275         for my $glob ("orig-$name-*.tar.{gz,Z,bz2}") {
 276                 @origs=glob $glob;
 277                 if (@origs) {
 278                         confess "Invalid glob $glob: ".join(",",@origs) if 1!=@origs;
 279                         (my $deborig=$origs[0])=~s/^orig-([^-]+)-(.*)([.]tar[.][^.]+)$/$1_$2.orig$3/;
 280                         _copy $origs[0],$deborig;
 281                         }
 282                 }
 283         my @subdirs;
 284         for my $glob ("$name-*") {
 285                 @subdirs=glob $glob;
 286                 confess "Invalid glob $glob: ".join(",",@subdirs) if 1!=@subdirs;
 287                 }
 288         _system(join(" ","cd ".$subdirs[0].";dpkg-buildpackage",
 289                         "-rfakeroot",
 290                         ($args{"sign"} ? () : ("-us","-uc")),
 291                         ));
 292         _remove \1,$subdirs[0];
 293         _system "ls -l ${name}*_[0-9]*";
 294         exit 0; # should never return
 295 }
 296
 297 # WARNING: doesn't respect %Options change!
 298 my @_cleanfiles_cache;
 299 sub _cleanfiles
 300 {
 301         # maintainer-clean hack is not safe, please list all files for 'rm'.
 302         # When the filename doesn't contain '/', it is applied to ALL directories.
 303         # Please note that files exactly in root dir MUST have ./ in the front
 304         #   (to not to be considered as ALL-directories files).
 305
 306         if (!@_cleanfiles_cache) {
 307                 @_cleanfiles_cache=map({
 308                                                 local $_=$_;    # Prevent: Modification of a read-only value attempted
 309                                                 s/\Q<name>\E/$Options{"name"}/ego;
 310                                                 s#/+#/#g;
 311                                                 # "*xyzzy" basename -> "*xyzzy",".*xyzzy" for proper cleaning
 312                                                 (!m#^((?:.*/)?)([*][^/]*)$# ? ($_) : ("$1$2","$1.$2"));
 313                                                 }
 314                                 (
 315                                 ".#*",  # Possible attempt to put comments in qw() list
 316                                 qw(
 317                                                 *~
 318                                                 *.orig *.rej
 319                                                 core
 320                                                 Makefile Makefile.in
 321                                                 TAGS tags ID
 322                                                 .deps .libs
 323                                                 *.[oa] *.l[oa] *.l[oa]T
 324                                                 .cvsignore
 325
 326                                                 ./errs*
 327                                                 ./intl
 328                                                 ./configure ./configure.scan
 329                                                 ./config.guess ./config.status ./config.sub ./config.log ./config.cache
 330                                                 ./config.h ./config.h.in
 331                                                 ./confdefs.h ./conftest* ./autoh[0-9]* ./confcache
 332                                                 ./config.rpath
 333                                                 ./depcomp
 334                                                 ./compile
 335                                                 ./stamp-h ./stamp-h.in ./stamp-h1
 336                                                 ./install-sh
 337                                                 ./aclocal.m4
 338                                                 ./autom4te.cache ./autom4te-*.cache
 339                                                 ./m4
 340                                                 ./missing
 341                                                 ./mkinstalldirs
 342                                                 ./libtool ./ltconfig ./ltmain.sh
 343                                                 ./ABOUT-NLS
 344                                                 ./<name>-[0-9]* ./<name>-*-[0-9]*
 345                                                 ./<name>.spec ./<name>.m4 ./<name>.spec.m4
 346                                                 ./debian/tmp ./debian/<name>
 347                                                 ./<name>*_[0-9]*
 348                                                 ./macros/macros.dep
 349                                                 ./po/Makefile.in.in ./po/POTFILES* ./po/cat-id-tbl.c ./po/cat-id-tbl.tmp
 350                                                 ./po/*.gmo ./po/*.mo ./po/stamp-cat-id ./po/<name>.pot ./po/ChangeLog
 351                                                 ./po/Makevars ./po/Makevars.template ./po/Rules-quot ./po/*.sed ./po/*.sin ./po/*.header
 352                                                 ),
 353                                 map(("./$_"),($Options{"ChangeLog"} || "ChangeLog")),
 354                                 map((!$_ ? () : do { my $dir=$_; map("$dir/$_",qw(
 355                                                 *.stamp
 356                                                 sgml*
 357                                                 tmpl*
 358                                                 html*
 359                                                 xml
 360                                                 *.txt
 361                                                 *.txt.bak
 362                                                 *.new
 363                                                 *.sgml
 364                                                 *.args
 365                                                 *.hierarchy
 366                                                 *.signals
 367                                                 *.interfaces
 368                                                 *.prerequisites
 369                                                 )); }),$Options{"gtk-doc-dir"}),
 370                                 map((!$_ ? () : do { my $dir=$_; map("$dir/$_",qw(
 371                                                 *.html
 372                                                 *.info*
 373                                                 *.txt
 374                                                 *.tex
 375                                                 *.sgml
 376                                                 )); }),$Options{"docbook-lite-dir"}),
 377                                 map((!$_ ? () : @$_),$Options{"clean"}),
 378                                 ));
 379                 # sanity check
 380                 for (@_cleanfiles_cache) {
 381                                 confess "dir-specific 'clean'-pattern must start with './': $_" if m#^(?!\Q./\E).*/#;
 382                                 };
 383                 }
 384         return @_cleanfiles_cache;
 385 }
 386
 387 sub _cleanfilesfordir
 388 {
 389 my($dir)=@_;
 390
 391         return map({
 392                            if (m#^\Q$dir\E/([^/]+)$#) { # this-dir: "./this-dir/file-name.c"
 393                                         ($1);
 394                                         }
 395                         elsif (m#^[^/]+$#) {    # all-dirs: "file-name.c"; the same as "./*/file-name.c"
 396                                         ($&);
 397                                         }
 398                         elsif (do {     # all-subdirs: "./parent-of-this-dir/*/file-name.c"
 399                                                         m#/[*]/([^/]+)$#;
 400                                                         ($_=$1) && $dir=~m#^\Q$`\E(?:/|$)#;
 401                                                         }) {
 402                                         ($_);
 403                                         }
 404                         else {
 405                                         ();
 406                                         }
 407                         } _cleanfiles());
 408 }
 409
 410 sub _cvsdirs
 411 {
 412 my(@startdirs)=@_;
 413
 414         my @r=();
 415         my @todo=(@startdirs);
 416         while (defined(my $dir=shift @todo)) {
 417                 local *ENTRIES;
 418                 my $entries_filename="$dir/CVS/Entries";
 419                 open ENTRIES,$entries_filename or (cluck "open \"$entries_filename\": $!" and next);
 420                 push @r,$dir;
 421                 local $/="\n";
 422                 my %local=();
 423                 local $_;
 424                 while (<ENTRIES>) {
 425                         chomp;
 426                         next if !m#^D/([^/]+)/#;
 427                         $local{$1}=1;
 428                         }
 429                 close ENTRIES or cluck "close \"$entries_filename\": $!";
 430                 if (-e (my $entries_log_filename=$dir."/CVS/Entries.Log")) {
 431                         local *ENTRIES_LOG;
 432                         if (open ENTRIES_LOG,$entries_log_filename or cluck "open \"$entries_log_filename\": $!") {
 433                                 local $_;
 434                                 while (<ENTRIES_LOG>) {
 435                                         chomp;
 436                                                  if (m#^A D/([^/]*)/#) {
 437                                                 $local{$1}=1;
 438                                                 }
 439                                         elsif (m#^R D/([^/]*)/#) {
 440                                                 delete $local{$1};
 441                                                 }
 442                                         else {
 443                                                 cluck "$entries_log_filename: Unrecognized line $.: $_";
 444                                                 }
 445                                         }
 446                                 close ENTRIES_LOG or cluck "close \"$entries_log_filename\": $!";
 447                                 }
 448                         }
 449                 push @todo,map(("$dir/$_"),keys(%local));
 450                 }
 451         return @r;
 452 }
 453
 454 sub _expandclass
 455 {
 456 my($patt)=@_;
 457
 458         return $patt if $patt!~/\Q[\E(.*?)\Q]\E/;
 459         my($pre,$range,$post)=($`,$1,$');       # FIXME: local($`,$1,$') doesn't work - why?
 460         1 while $range=~s#(.)-(.)# join("",map(chr,(ord($1)..ord($2))));
 461                         #ge;
 462         return map({ _expandclass("$pre$_$post"); } split("",$range));
 463 }
 464
 465 sub run
 466 {
 467 my($class,%options)=@_;
 468
 469         local %Options=%options;
 470         do { require $_ if -e; } for (home()."/.".$Options{"name"}.".autogen.pl");
 471         do { $$_=1 if !defined($$_) && fgrep { /^\s*AUTOMAKE_OPTIONS\s*=[^#]*\bdist-tarZ\b/m; } "Makefile.am"; }
 472                         for (\$Options{"dist-tarZ"});
 473         Getopt::Long::Configure('noignorecase','prefix_pattern=(--|-|\+|)');
 474         local @ARGV=@{$Options{"ARGV"}};
 475         print _help() and confess if !GetOptions(
 476                           "rpm"      ,sub { $class->_rpmbuild("sign"=>1); },
 477                           "rpmtest"  ,sub { $class->_rpmbuild("sign"=>0); },
 478                           "deb"      ,sub { $class->_debbuild("sign"=>1); },
 479                           "debtest"  ,sub { $class->_debbuild("sign"=>0); },
 480                           "cleanfilesfordir=s",sub { print "$_\n" for (_cleanfilesfordir $_[1]); exit 0; },
 481                           "dist"     ,\$Options{"ARGV_dist"},
 482                           "copy!"    ,\$Options{"ARGV_copy"},
 483                           "fullclean",\$Options{"ARGV_fullclean"},
 484                           "clean"    ,\$Options{"ARGV_clean"},
 485                         "h|help"     ,sub { print _help(); exit 0; },
 486                         $Options{"GetOptions_args"},
 487                         ) || @ARGV;
 488
 489         for my $subdir (map((!$_ ? () : @$_),$Options{"subdirs"})) {
 490                 local $CWD=$subdir;
 491                 _system "./autogen.pl",@{$Options{"ARGV"}},"--dist";    # use "--dist" just as fallback!
 492                 }
 493
 494         for my $dir (_cvsdirs(".")) {
 495                 my @cleanfilesfordir=_cleanfilesfordir $dir;
 496                 _writefile $dir."/.cvsignore",map("$_\n",@cleanfilesfordir) if !$Options{"ARGV_fullclean"};
 497                 _remove "nocheck",\1,map({ _expandclass("$dir/$_"); } grep({
 498                                 $Options{"ARGV_fullclean"} or $_ ne ".cvsignore";
 499                                 } @cleanfilesfordir));
 500                 }
 501         return if $Options{"ARGV_clean"} || $Options{"ARGV_fullclean"};
 502
 503         $Options{"aclocal_args"}=[qw(-I macros),map((!$_ ? () : @$_),$Options{"aclocal_args"})];
 504         my $configure_name;
 505         do { $configure_name||=$_ if -f $_ } for ("configure.in");
 506         do { $configure_name||=$_ if -f $_ } for ("configure.ac");
 507         $configure_name or confess "Cannot find configure.{in,ac}";
 508         my $configure_in=_readfile($configure_name);
 509         do { $$_=1 if !defined($$_) && $configure_in=~/^\s*AM_GNU_GETTEXT\b/m; }
 510                         for (\$Options{"want-gettextize"});
 511         do { $$_=1 if !defined($$_) && $configure_in=~/^\s*AM_GLIB_GNU_GETTEXT\b/m; }
 512                         for (\$Options{"want-glib-gettextize"});
 513         do { $$_=1 if !defined($$_) && $configure_in=~/^\s*AM_PROG_LIBTOOL\b/m; }
 514                         for (\$Options{"want-libtoolize"});
 515         do { $$_=1 if !defined($$_) && $configure_in=~/^\s*A[CM]_CONFIG_HEADER\b/m; }
 516                         for (\$Options{"want-autoheader"});
 517         my @copy_arg=(!$Options{"ARGV_copy"} ? () : "--copy");
 518
 519         do { &$_ if $_; } for ($Options{"prep"});
 520         touch "po/POTFILES.in" if -d "po";
 521         if ($Options{"want-gettextize"}) {
 522                 # don't use multi-arg system() here as it would reject "</dev/null" redirection etc.
 523                 for ("expect -c '"
 524                                 .'spawn gettextize --intl --no-changelog '.join(" ",@copy_arg).';'
 525                                 .'expect -timeout -1 "Press Return to acknowledge" {send "\r";exp_continue;} eof;'
 526                                 ."'") {
 527                         _system $_ and confess $_;
 528                         }
 529                 for ($configure_name,"Makefile.am") {
 530                         STDERR->printflush("gettextize recovery rename \"$_~\"->\"$_\"... ");
 531                         rename "$_~","$_" or confess "$!";
 532                         STDERR->printflush("ok\n");
 533                         }
 534                 if (!-e "po/Makevars") {
 535                         my $Makevars_template="po/Makevars.template";
 536                         my $makevars=_readfile $Makevars_template;
 537                         $makevars=~s/^(COPYRIGHT_HOLDER)\b.*$/"$1=".$Options{"COPYRIGHT_HOLDER"}/meg
 538                                         or confess "COPYRIGHT_HOLDER not found in $Makevars_template";
 539                         _writefile "po/Makevars",$makevars;
 540                         }
 541                 # Prevent updating of contents during touch of any source file;
 542                 # change the .po contents only when some data get updated
 543                 for my $Makefile_in_in ("po/Makefile.in.in") {
 544                         my $file=_readfile $Makefile_in_in;
 545                         $file=~s%(\$\Q(MSGMERGE_UPDATE)\E) (\$\$\Q{lang}.po \E\$\Q(DOMAIN).pot\E)$%
 546                                         $1.q< --backup=simple --suffix="~" >.$2.q<;>
 547                                                         .q< if test `diff -u $${lang}.po~ $${lang}.po>
 548                                                                                         .q< | sed>
 549                                                                                                         .q< -e '1,/^@@.*@@$$/d'>
 550                                                                                                         .q< -e '/^[+-]"POT-Creation-Date:/d'>
 551                                                                                                         .q< -e '/^[^+-]/d'>
 552                                                                                                         .q< -e '/^[+-]#/d'>
 553                                                                                         .q< | wc -l` -eq 0;then>
 554                                                                         .q< touch --reference=$${lang}.po $${lang}.po~;>
 555                                                                                         .q< mv -f $${lang}.po~ $${lang}.po;>
 556                                                         .q< else>
 557                                                                         .q< rm -f $${lang}.po~;>
 558                                                         .q< fi>
 559                                         %me or confess;
 560                         unlink $Makefile_in_in or confess "$!";
 561                         _writefile $Makefile_in_in,$file;
 562                         }
 563                 }
 564         if ($Options{"want-glib-gettextize"}) {
 565                 _system "glib-gettextize",@copy_arg;
 566                 # "po/ChangeLog" is somehow missing at this point
 567                 File::Touch->new("atime_only"=>1)->touch("po/ChangeLog");
 568                 }
 569         _system "aclocal",map((!$_ ? () : @$_),$Options{"aclocal_args"});
 570         _system qw(libtoolize),@copy_arg if $Options{"want-libtoolize"};
 571         _system qw(autoheader) if $Options{"want-autoheader"};
 572         # "ChangeLog" is reqd by automake(1)
 573         # Don't remove it afterwards as it may still be needed during automatic automake Makefile rebuilds
 574         File::Touch->new("atime_only"=>1)->touch("ChangeLog") if !$Options{"ChangeLog"};
 575         _system qw(automake --add-missing),@copy_arg;
 576         _system qw(autoconf);
 577         _writefile "| patch configure",<<'CONFIGURE_SUBST_X_EOF';
 578 --- configure-orig      Wed Aug 20 12:10:37 2003
 579 +++ configure   Wed Aug 20 13:22:51 2003
 580 @@ -21590,6 +21590,11 @@
 581    rm -f $tmp/stdin
 582    if test x"$ac_file" != x-; then
 583      mv $tmp/out $ac_file
 584 +    for f in $ac_file_inputs; do
 585 +      if test -x $f; then
 586 +        chmod +x $ac_file
 587 +      fi
 588 +    done
 589    else
 590      cat $tmp/out
 591      rm -f $tmp/out
 592 CONFIGURE_SUBST_X_EOF
 593         # Why it is left there after RedHat autoconf-2.53-8 ?
 594         _remove "nocheck",\1,"autom4te-*.cache";
 595
 596         return if $Options{"ARGV_dist"};
 597
 598         # 'configure' defaults to CFLAGS '-g -O2' but our --enable-maintainer-mode
 599         # should force '-ggdb3'
 600         $ENV{"CFLAGS"}||="";
 601         # shared/static switching cannot be based on maintainer-mode in configure
 602         _system(qw(./configure --enable-maintainer-mode),
 603                         (!$Options{"want-libtoolize"} ? () : qw(--enable-shared --disable-static)),
 604                         map((!$_ ? () : @$_),$Options{"configure_args"}),
 605                         );
 606 }
 607
 608 1;
 609 __END__
 610
 611 Tested with:
 612         RedHat autoconf-2.53-8
 613         RedHat automake-1.6.3-1
 614         RedHat gettext-0.11.4-3
 615         RedHat libtool-1.4.2-12
 616         RedHat perl-5.8.0-48