solenv/bin/modules/installer/strip.pm

   1 #
   2 # This file is part of the LibreOffice project.
   3 #
   4 # This Source Code Form is subject to the terms of the Mozilla Public
   5 # License, v. 2.0. If a copy of the MPL was not distributed with this
   6 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7 #
   8 # This file incorporates work covered by the following license notice:
   9 #
  10 #   Licensed to the Apache Software Foundation (ASF) under one or more
  11 #   contributor license agreements. See the NOTICE file distributed
  12 #   with this work for additional information regarding copyright
  13 #   ownership. The ASF licenses this file to you under the Apache
  14 #   License, Version 2.0 (the "License"); you may not use this file
  15 #   except in compliance with the License. You may obtain a copy of
  16 #   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17 #
  18
  19 package installer::strip;
  20
  21 use strict;
  22 use warnings;
  23
  24 use base 'Exporter';
  25
  26 use installer::globals;
  27 use installer::logger;
  28 use installer::pathanalyzer;
  29 use installer::systemactions;
  30
  31 our @EXPORT_OK = qw(strip_libraries);
  32
  33 #####################################################################
  34 # Checking whether a file has to be stripped
  35 #####################################################################
  36
  37 sub _need_to_strip
  38 {
  39     my ( $filename ) = @_;
  40
  41     my $strip = 0;
  42
  43     # Check using the "file" command
  44
  45     open (FILE, "file $filename |");
  46     my $fileoutput = <FILE>;
  47     close (FILE);
  48
  49     if (( $fileoutput =~ /not stripped/i ) && ( $fileoutput =~ /\bELF\b/ )) { $strip = 1; }
  50
  51     return $strip
  52 }
  53
  54 #####################################################################
  55 # Checking whether a file has to be stripped
  56 #####################################################################
  57
  58 sub _do_strip
  59 {
  60     my ( $filename ) = @_;
  61
  62     my $systemcall = "strip" . " " . $filename;
  63
  64     my $returnvalue = system($systemcall);
  65
  66     my $infoline = "Systemcall: $systemcall\n";
  67     push( @installer::globals::logfileinfo, $infoline);
  68
  69     if ($returnvalue)
  70     {
  71         $infoline = "ERROR: Could not strip $filename!\n";
  72         push( @installer::globals::logfileinfo, $infoline);
  73     }
  74     else
  75     {
  76         $infoline = "SUCCESS: Stripped library $filename!\n";
  77         push( @installer::globals::logfileinfo, $infoline);
  78     }
  79 }
  80
  81 #####################################################################
  82 # Resolving all variables in the packagename.
  83 #####################################################################
  84
  85 sub strip_libraries
  86 {
  87     my ( $filelist, $languagestringref ) = @_;
  88
  89     installer::logger::include_header_into_logfile("Stripping files:");
  90
  91     my $strippeddirbase = installer::systemactions::create_directories("stripped", $languagestringref);
  92
  93     if (! grep {$_ eq $strippeddirbase} @installer::globals::removedirs)
  94     {
  95         push(@installer::globals::removedirs, $strippeddirbase);
  96     }
  97
  98     for ( my $i = 0; $i <= $#{$filelist}; $i++ )
  99     {
 100         my $sourcefilename = ${$filelist}[$i]->{'sourcepath'};
 101
 102         if ( _need_to_strip($sourcefilename) )
 103         {
 104             my $shortfilename = $sourcefilename;
 105             installer::pathanalyzer::make_absolute_filename_to_relative_filename(\$shortfilename);
 106
 107             my $infoline = "Strip: $shortfilename\n";
 108             push( @installer::globals::logfileinfo, $infoline);
 109
 110             # copy file into directory for stripped libraries
 111
 112             my $onelanguage = ${$filelist}[$i]->{'specificlanguage'};
 113
 114             # files without language into directory "00"
 115
 116             if ($onelanguage eq "") { $onelanguage = "00"; }
 117
 118             my $strippeddir = $strippeddirbase . $installer::globals::separator . $onelanguage;
 119             installer::systemactions::create_directory($strippeddir);   # creating language specific subdirectories
 120
 121             my $destfilename = $strippeddir . $installer::globals::separator . $shortfilename;
 122             installer::systemactions::copy_one_file($sourcefilename, $destfilename);
 123
 124             # change sourcepath in files collector
 125
 126             ${$filelist}[$i]->{'sourcepath'} = $destfilename;
 127
 128             # strip file
 129
 130             _do_strip($destfilename);
 131         }
 132     }
 133 }
 134
 135 1;