[ff5bd63] | 1 | #!/usr/bin/perl -w |
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| 2 | |
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| 3 | |
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| 4 | # Helper script to strip unused parts out of crossrpms's rpm.specs |
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| 5 | # |
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| 6 | # Usage: specstrip < infile > outfile |
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| 7 | |
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| 8 | |
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[86018813] | 9 | # Copyright (C) 2005,2006,2010 Ralf Corsépius, Ulm, Germany, |
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[ff5bd63] | 10 | # |
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| 11 | # This program is free software; you can redistribute it and/or |
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| 12 | # modify it under the terms of the GNU General Public License |
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| 13 | # as published by the Free Software Foundation; either version 2 |
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| 14 | # of the License, or (at your option) any later version. |
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| 15 | # |
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| 16 | # This program is distributed in the hope that it will be useful, |
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| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 19 | # GNU General Public License for more details. |
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| 20 | # |
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| 21 | # For a copy of the GNU General Public License, visit |
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| 22 | # http://www.gnu.org or write to the Free Software Foundation, Inc., |
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| 23 | # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 24 | |
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| 25 | # $Id$ |
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| 26 | |
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| 27 | use Getopt::Long; |
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| 28 | |
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| 29 | use strict; |
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| 30 | |
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| 31 | my $newlib = 0; |
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| 32 | my $infos = 0; |
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| 33 | my $prefix = '/usr'; |
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| 34 | |
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| 35 | my $verbose = 0; |
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| 36 | my @languages = (); |
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| 37 | my %options = (); |
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| 38 | |
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| 39 | GetOptions( |
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| 40 | \%options, |
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[8747e99a] | 41 | 'prefix=s' => \$prefix, |
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| 42 | 'enable-infos' => sub { $options{infos} = 1 }, |
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| 43 | 'disable-infos' => sub { $options{infos} = 0 }, |
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[ff5bd63] | 44 | 'newlib!', |
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| 45 | 'languages=s' => \@languages, |
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| 46 | 'verbose+' => \$verbose |
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| 47 | ) or die( "failed to GetOptions" ); |
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| 48 | |
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[8747e99a] | 49 | if ( !defined($options{infos}) ) |
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| 50 | { # User did not override, use defaults |
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| 51 | if ( $prefix =~ m/^\/usr$/ ) { |
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| 52 | $infos = 0; |
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| 53 | } elsif ( $prefix =~ m/^\/usr\/local$/ ) { |
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| 54 | $infos = 0; |
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| 55 | } else { |
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| 56 | $infos = 1; |
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| 57 | } |
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[ff5bd63] | 58 | } else { |
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[8747e99a] | 59 | $infos = int($options{infos}); |
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[ff5bd63] | 60 | } |
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| 61 | |
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| 62 | if ( defined($options{newlib}) ) |
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| 63 | { |
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| 64 | $newlib = $options{newlib}; |
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| 65 | } else { |
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| 66 | $newlib = 0; |
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| 67 | } |
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| 68 | |
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| 69 | if ( $verbose ) { |
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| 70 | print STDERR "INFOS : $infos\n"; |
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| 71 | print STDERR "PREFIX : $prefix\n"; |
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| 72 | } |
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| 73 | |
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| 74 | my %langs; |
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| 75 | |
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| 76 | foreach ( split(/,/,join(',',@languages)) ){ |
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| 77 | $langs{$_} = 1; |
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| 78 | } |
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| 79 | |
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| 80 | my @npatterns = ( |
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| 81 | "(\"%\{_prefix\}\" (!=|==) \"/usr\")", |
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| 82 | |
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| 83 | "(%build_cxx)", |
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| 84 | "(%build_gnat)", |
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| 85 | "(%build_objc)", |
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| 86 | "(%build_gcj)", |
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| 87 | "(%build_libgcj)", |
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[3b3b3b9] | 88 | "(%build_fortran)", |
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[ff5bd63] | 89 | "(%build_newlib)", |
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| 90 | "(%build_infos)" |
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| 91 | ); |
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| 92 | |
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| 93 | my @ppatterns = ( |
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| 94 | ); |
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| 95 | |
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| 96 | push @ppatterns, "(\"%\{_prefix\}\" " . (("$prefix" eq '/usr') ? '!=' : '==' ) . " \"/usr\")"; |
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| 97 | |
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| 98 | push @ppatterns, "(%build_gnat " . ( ($langs{gnat}) ? "==" : "!=" ) . " 0)"; |
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| 99 | push @ppatterns, "(%build_cxx " . ( ($langs{cxx}) ? "==" : "!=" ) . " 0)"; |
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| 100 | push @ppatterns, "(%build_objc " . ( ($langs{objc}) ? "==" : "!=" ) . " 0)"; |
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| 101 | push @ppatterns, "(%build_gcj " . ( ($langs{gcj}) ? "==" : "!=" ) . " 0)"; |
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| 102 | push @ppatterns, "(%build_libgcj " . ( ($langs{libgcj}) ? "==" : "!=" ) . " 0)"; |
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[3b3b3b9] | 103 | push @ppatterns, "(%build_fortran " . ( ($langs{fortran}) ? "==" : "!=" ) . " 0)"; |
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[ff5bd63] | 104 | |
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| 105 | push @ppatterns, "(%build_newlib " . ( ($newlib) ? "==" : "!=" ) . " 0)"; |
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| 106 | push @ppatterns, "(%build_infos " . ( ($infos) ? "==" : "!=" ) . " 0)"; |
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| 107 | |
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| 108 | my $npat = join('|',@npatterns); |
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| 109 | my $ppat = join('|',@ppatterns); |
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| 110 | |
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| 111 | if ( $verbose > 1 ) { |
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| 112 | print STDERR "PPAT: ", $ppat, "\n"; |
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| 113 | print STDERR "NPAT: ", $npat, "\n"; |
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| 114 | } |
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| 115 | |
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| 116 | my @buffer0 = <> ; |
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| 117 | |
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| 118 | my @buffer2 ; |
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[b2e0ac6] | 119 | |
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| 120 | my @condstack ; |
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| 121 | |
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| 122 | @condstack = (); |
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| 123 | push @condstack,'<>'; |
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[34a0e1d] | 124 | foreach (@buffer0) |
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[ff5bd63] | 125 | { |
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[34a0e1d] | 126 | chomp $_; |
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[ff5bd63] | 127 | if ( /^%if(os|)\s+(.*)$/ ) |
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| 128 | { |
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| 129 | push @condstack,"<$2>"; |
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| 130 | if ( $condstack[$#condstack] =~ m/$npat/ ) { |
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| 131 | # transform unary conditionals into binary conditionals |
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| 132 | if ( $condstack[$#condstack] =~/.*<(%[a-zA-Z_0-9]+)>.*/ ) { |
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| 133 | $condstack[$#condstack] = "<$1 != 0>"; |
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| 134 | } |
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| 135 | } else { |
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| 136 | push @buffer2, { state => join('',@condstack), line => "$_" }; |
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| 137 | } |
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| 138 | } elsif ( /^%else.*$/ ) |
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| 139 | { |
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| 140 | my %ops = ( |
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| 141 | "!=" => "==", |
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| 142 | "==" => "!=" |
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| 143 | ); |
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| 144 | |
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| 145 | if ( $condstack[$#condstack] =~/.*<(.*) (!=|==) (.*)>.*/ ) { |
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| 146 | $condstack[$#condstack] = "<$1 " . $ops{$2} . " $3>"; |
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| 147 | if ( $condstack[$#condstack] =~ m/$npat/ ) { |
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| 148 | } else { |
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| 149 | push @buffer2, { state => join('',@condstack), line => "$_" }; |
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| 150 | } |
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| 151 | } else { |
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| 152 | push @buffer2, { state => join('',@condstack), line => "$_" }; |
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| 153 | } |
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| 154 | } elsif ( /^%endif.*$/ ) |
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| 155 | { |
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| 156 | if ( $condstack[$#condstack] =~ m/$npat/ ) { |
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| 157 | } else { |
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| 158 | push @buffer2, { state => join('',@condstack), line => "$_" }; |
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| 159 | } |
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| 160 | pop @condstack; |
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| 161 | } else { |
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| 162 | push @buffer2, { state => join('',@condstack), line => "$_" }; |
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| 163 | } |
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| 164 | } |
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| 165 | |
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| 166 | my @buffer3; |
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| 167 | foreach my $i ( @buffer2 ) |
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| 168 | { |
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[bcf95dc] | 169 | print STDERR "STATE:", $i->{state}, " LINE:", $i->{line}, "\n" if $verbose > 1; |
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[ff5bd63] | 170 | if ( $i->{state} =~ m/($ppat)/ ) { |
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[bcf95dc] | 171 | } else { |
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| 172 | push @buffer3, $i->{line}; |
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| 173 | } |
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| 174 | } |
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| 175 | |
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| 176 | #foreach my $line ( @buffer3 ) |
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| 177 | #{ |
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| 178 | # print STDERR "L:<$line>\n"; |
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| 179 | #} |
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| 180 | |
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| 181 | my @buffer4; |
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| 182 | @condstack = (); |
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| 183 | push @condstack, "<>"; |
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| 184 | foreach my $line ( @buffer3 ) |
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| 185 | { |
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| 186 | # print STDERR "READ:{", $line, "}\n"; |
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| 187 | if ( $line =~/^%if\s+"([a-zA-Z_0-9\.\-]+)"\s+==\s+"([a-zA-Z_0-9\.\-]+)"\s*$/ ) |
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| 188 | { |
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| 189 | if ( "$1" eq "$2" ) { |
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| 190 | push @condstack,"<TRUE:$1 == $2>"; |
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| 191 | } else { |
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| 192 | push @condstack,"<FALSE:$1 == $2>"; |
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| 193 | } |
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| 194 | } elsif ( $line =~/^%if\s+"([a-zA-Z_0-9\.\-]+)"\s+!=\s+"([a-zA-Z_0-9\.\-]+)"\s*$/ ) |
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| 195 | { |
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| 196 | if ( "$1" ne "$2" ) { |
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| 197 | push @condstack,"<TRUE:$1 != $2>"; |
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| 198 | } else { |
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| 199 | push @condstack,"<FALSE:$1 != $2>"; |
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| 200 | } |
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| 201 | } elsif ( $line =~/^%if\s+(.*)\s*$/ ) |
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| 202 | { |
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| 203 | my $exp = $1; |
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| 204 | if ( $condstack[$#condstack] =~ m/<FALSE:.*\s*>$/ ) { |
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| 205 | push @condstack,"<FALSE:$exp>"; |
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[86018813] | 206 | } else { |
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[bcf95dc] | 207 | push @condstack,"<IFOT:$exp>"; |
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| 208 | push @buffer4, "$line\n"; |
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[86018813] | 209 | } |
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[bcf95dc] | 210 | } elsif ( $line =~/^%if((os|narch)\s+.*)\s*$/ ) |
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| 211 | { |
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| 212 | my $exp = $1; |
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| 213 | if ( $condstack[$#condstack] =~ m/<FALSE:(.*)\s*>$/ ) { |
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| 214 | push @condstack,"<FALSE:$exp>"; |
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| 215 | } else { |
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| 216 | push @condstack,"<IFOT:$exp>"; |
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| 217 | push @buffer4, "$line\n"; |
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| 218 | } |
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| 219 | } elsif ( $line =~ /^%else\s*$/ ) { |
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| 220 | if ( $condstack[$#condstack] =~ m/<TRUE:(.*)\s*>$/ ) { |
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| 221 | $condstack[$#condstack] = "<FALSE:$1>"; |
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| 222 | } elsif ( $condstack[$#condstack] =~ m/<FALSE:(.*)\s*>$/ ) { |
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| 223 | $condstack[$#condstack] = "<TRUE:$1>"; |
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| 224 | } else { |
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| 225 | push @buffer4, "$line\n"; |
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| 226 | } |
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| 227 | } elsif ( $line =~ /^%endif\s*$/ ) { |
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| 228 | |
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| 229 | if ( $condstack[$#condstack] =~ m/<TRUE:.*>$/ ) { |
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| 230 | # print STDERR "ENDIF: TRUE\n"; |
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| 231 | } elsif ( $condstack[$#condstack] =~ m/<FALSE:.*>$/ ) { |
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| 232 | # print STDERR "ENDIF: FALSE\n"; |
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| 233 | } else { |
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| 234 | push @buffer4, "%endif\n"; |
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| 235 | } |
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| 236 | # print STDERR "POP: $line\n"; |
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| 237 | pop @condstack; |
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[ff5bd63] | 238 | } else { |
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[bcf95dc] | 239 | # print STDERR "CATCH $condstack[$#condstack]:$line\n"; |
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| 240 | if ( $condstack[$#condstack] =~ m/<TRUE:.*>$/ ) { |
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| 241 | push @buffer4, "$line\n"; |
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| 242 | } elsif ( $condstack[$#condstack] =~ m/<FALSE:.*>$/ ) { |
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| 243 | } else { |
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| 244 | push @buffer4, "$line\n"; |
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| 245 | } |
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[ff5bd63] | 246 | } |
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[bcf95dc] | 247 | |
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| 248 | # print STDERR @condstack, "LINE: $line\n"; |
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[ff5bd63] | 249 | } |
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| 250 | |
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[bcf95dc] | 251 | print STDOUT @buffer4; |
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