diff options
Diffstat (limited to 'admin/config.pl')
| -rw-r--r-- | admin/config.pl | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/admin/config.pl b/admin/config.pl new file mode 100644 index 0000000..36fc3a0 --- /dev/null +++ b/admin/config.pl @@ -0,0 +1,223 @@ +#!/usr/bin/perl +# a script for use by autoconf to make the Makefiles +# from the Makefile.in's +# +# the original autoconf mechanism first splits all substitutions into groups +# of ca. 90, and than invokes sed for _every_ Makefile.in and every group +# (so around 2-3 times per Makefile.in). So this takes forever, as sed +# has to recompile the regexps every time. +# +# this script does better. It changes all Makefile.ins in one process. +# in kdelibs the time for building Makefile went down from 2:59 min to 13 sec! +# +# written by Michael Matz <matz@kde.org> +# adapted by Dirk Mueller <mueller@kde.org> +# +# the first part was done by looking at the config.status files generated +# by configure. +# + +my $ac_subs=$ARGV[0]; +my $ac_sacfiles = $ARGV[1]; +my $ac_given_srcdir=$ARGV[2]; +my $ac_given_INSTALL=$ARGV[3]; + +#print "ac_subs=$ac_subs\n"; +#print "ac_sacfiles=$ac_sacfiles\n"; +#print "ac_given_srcdir=$ac_given_srcdir\n"; +#print "ac_given_INSTALL=$ac_given_INSTALL\n"; + +my ($srcdir, $top_srcdir); +my $INSTALL; +my $bad_perl = ($] < 5.005); + +open(CF, "< $ac_subs") || die "can't open $ac_subs: $!"; +my @subs = <CF>; +close(CF); +chomp @subs; +@comp_match=(); +@comp_subs=(); + +if ($bad_perl) { + print "Using perl older than version 5.005\n"; + foreach my $pat (@subs) { + if ( ($pat =~ /s%([^%]*)%([^%]*)%g/ ) + || ($pat =~ m%/([^/]*)/([^/]*)/g% ) + || ($pat =~ /s%([^%]*)%([^%]*)%;t/ ) + || ($pat =~ m%/([^/]*)/([^/]*)/;t% ) + || ($pat =~ /s,([^,]*),(.*),;t/) + ) { + # form : s%bla%blubb%g + # or s%bla%blubb%;t t (autoconf > 2.13 and < 2.52 ?) + # or s,bla,blubb,;t t (autoconf 2.52) + my $srch = $1; + my $repl = $2; + $repl =~ s/\\(.)/$1/g; + push @comp_subs, make_closure($srch, $repl); + + } elsif ( ($pat =~ /%([^%]*)%d/ ) + || ($pat =~ m%/([^/]*)/d% ) + ) { + push @comp_subs, make_closure($1, ""); + } else { + die "Uhh. Malformed pattern in $ac_subs ($pat)" + unless ( $pat =~ /^\s*$/ ); # ignore white lines + } + } +} else { + foreach my $pat (@subs) { + if ( ($pat =~ /s%([^%]*)%([^%]*)%g/ ) || + ($pat =~ /s%([^%]*)%([^%]*)%;t/ ) || + ($pat =~ /s,([^,]*),(.*),;t/) ) { + # form : s%bla%blubb%g + # or s%bla%blubb%;t t (autoconf > 2.13 and < 2.52 ?) + # or s,bla,blubb,;t t (autoconf 2.52) + my $srch = $1; + my $repl = $2; + push @comp_match, eval "qr/\Q$srch\E/"; # compile match pattern + $repl =~ s/\\(.)/$1/g; + push @comp_subs, $repl; + } elsif ( ($pat =~ /%([^%]*)%d/ ) + || ($pat =~ m%/([^/]*)/d% ) + ) { + push @comp_match, eval "qr/\Q$1\E/"; + push @comp_subs, ""; + } else { + die "Uhh. Malformed pattern in $ac_cs_root.subs ($pat)" + unless ( $pat =~ /^\s*$/ ); # ignore white lines + } + } +} +undef @subs; + +# read the list of files to be patched, form: +# ./Makefile arts/Makefile arts/examples/Makefile arts/flow/Makefile + +open(CF, "< $ac_sacfiles") || die "can't open $ac_sacfiles: $!"; +my @ac_files = <CF>; +close(CF); +chomp @ac_files; + + +my $ac_file; +foreach $ac_file (@ac_files) { + next if $ac_file =~ /\.\./; + next if $ac_file =~ /^\s*$/; + my $ac_file_in; + my ($ac_dir, $ac_dots, $ac_dir_suffix); + + if ($ac_file =~ /.*:.*/ ) { + ($ac_file_in = $ac_file) =~ s%[^:]*:%%; + $ac_file =~ s%:.*%%; + } else { + $ac_file_in = $ac_file.".in"; + } + +# Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories. + +# Remove last slash and all that follows it. Not all systems have dirname. + ($ac_dir = $ac_file) =~ s%/[^/][^/]*$%%; + if ( ($ac_dir ne $ac_file) && ($ac_dir ne ".")) { +# The file is in a subdirectory. + if (! -d "$ac_dir") { mkdir "$ac_dir", 0777; } + ($ac_dir_suffix = $ac_dir) =~ s%^./%%; + $ac_dir_suffix="/".$ac_dir_suffix; +# A "../" for each directory in $ac_dir_suffix. + ($ac_dots = $ac_dir_suffix) =~ s%/[^/]*%../%g; + } else { + $ac_dir_suffix=""; + $ac_dots=""; + } + + if ($ac_given_srcdir eq ".") { + $srcdir="."; + if ($ac_dots) { + ( $top_srcdir = $ac_dots) =~ s%/$%%; + } else { $top_srcdir="."; } + } elsif ($ac_given_srcdir =~ m%^/%) { + $srcdir=$ac_given_srcdir.$ac_dir_suffix; + $top_srcdir = $ac_given_srcdir; + } else { + $srcdir = $ac_dots.$ac_given_srcdir.$ac_dir_suffix; + $top_srcdir = $ac_dots.$ac_given_srcdir; + } + + if ($ac_given_INSTALL) { + if ($ac_given_INSTALL =~ m%^/% ) { + $INSTALL = $ac_given_INSTALL; + } else { + $INSTALL = $ac_dots.$ac_given_INSTALL; + } + } + + print "fast creating $ac_file\n"; + unlink $ac_file; + my $ac_comsub=""; + my $fname=$ac_file_in; + $fname =~ s%.*/%%; + my $configure_input="Generated automatically from $fname by config.pl."; + if ($ac_file =~ /.*[Mm]akefile.*/) { + $ac_comsub="# ".$configure_input."\n"; # for the first line in $ac_file + } + + my $ac_file_inputs; + ($ac_file_inputs = $ac_file_in) =~ s%^%$ac_given_srcdir/%; + $ac_file_inputs =~ s%:% $ac_given_srcdir/%g; + + patch_file($ac_file, $ac_file_inputs, $ac_comsub); +} + +sub patch_file { + my ($outf, $infiles, $firstline) = @_; + my $filedata; + my @infiles=split(' ', $infiles); + my $i=0; + + if ($firstline) { + $filedata = $firstline; + } + foreach my $name (@infiles) { + if (open(CF, "< $name")) { + while (<CF>) { + $filedata .= $_; + } + close(CF); + } else { + print STDERR "can't open $name: $!"."\n"; + } + } + + $filedata =~ s%\@configure_input\@%$configure_input%g; + $filedata =~ s%\@srcdir\@%$srcdir%g; + $filedata =~ s%\@top_srcdir\@%$top_srcdir%g; + $filedata =~ s%\@INSTALL\@%$INSTALL%g; + + if ($bad_perl) { + while ($i <= $#comp_subs) { + my $ref = $comp_subs[$i]; + &$ref(\$filedata); + $i++; + } + } else { + while ($i <= $#comp_match) { + $filedata =~ s/$comp_match[$i]/$comp_subs[$i]/g; + $i++; + } + } + open(CF, "> $outf") || die "can't create $outf: $!"; + print CF $filedata; + close(CF); +} + +sub make_closure { + my ($pat, $sub) = @_; + $pat =~ s/\@/\\@/g; # @bla@ -> \@bla\@ + $pat =~ s/\$/\\\$/g; # $bla -> \$bla + $sub =~ s/\@/\\@/g; + $sub =~ s/\$/\\\$/g; + my $ret = eval "return sub { my \$ref=shift; \$\$ref =~ s%$pat%$sub%g; }"; + if ($@) { + print "can't create CODE: $@\n"; + } + return $ret; +} |