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