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27
28package installer::strip;
29
30use installer::converter;
31use installer::existence;
32use installer::globals;
33use installer::logger;
34use installer::pathanalyzer;
35use installer::systemactions;
36
37#####################################################################
38# Checking whether a file has to be stripped
39#####################################################################
40
41sub need_to_strip
42{
43	my ( $filename ) = @_;
44
45	my $strip = 0;
46
47	# Check using the "file" command
48
49	open (FILE, "file $filename |");
50	my $fileoutput = <FILE>;
51	close (FILE);
52
53	if (( $fileoutput =~ /not stripped/i ) && ( $fileoutput =~ /\bELF\b/ )) { $strip = 1; }
54
55	return $strip
56}
57
58#####################################################################
59# Checking whether a file has to be stripped
60#####################################################################
61
62sub do_strip
63{
64	my ( $filename ) = @_;
65
66	my $systemcall = "strip" . " " . $filename;
67
68	my $returnvalue = system($systemcall);
69
70	my $infoline = "Systemcall: $systemcall\n";
71	push( @installer::globals::logfileinfo, $infoline);
72
73	if ($returnvalue)
74	{
75		$infoline = "ERROR: Could not strip $filename!\n";
76		push( @installer::globals::logfileinfo, $infoline);
77	}
78	else
79	{
80		$infoline = "SUCCESS: Stripped library $filename!\n";
81		push( @installer::globals::logfileinfo, $infoline);
82	}
83}
84
85#####################################################################
86# Resolving all variables in the packagename.
87#####################################################################
88
89sub strip_libraries
90{
91	my ( $filelist, $languagestringref ) = @_;
92
93	installer::logger::include_header_into_logfile("Stripping files:");
94
95	my $strippeddirbase = installer::systemactions::create_directories("stripped", $languagestringref);
96
97	if (! installer::existence::exists_in_array($strippeddirbase, \@installer::globals::removedirs))
98	{
99		push(@installer::globals::removedirs, $strippeddirbase);
100	}
101
102	for ( my $i = 0; $i <= $#{$filelist}; $i++ )
103	{
104		my $sourcefilename = ${$filelist}[$i]->{'sourcepath'};
105
106		if ( need_to_strip($sourcefilename) )
107		{
108			my $shortfilename = $sourcefilename;
109			installer::pathanalyzer::make_absolute_filename_to_relative_filename(\$shortfilename);
110
111			$infoline = "Strip: $shortfilename\n";
112			push( @installer::globals::logfileinfo, $infoline);
113
114			# copy file into directory for stripped libraries
115
116			my $onelanguage = ${$filelist}[$i]->{'specificlanguage'};
117
118			# files without language into directory "00"
119
120			if ($onelanguage eq "") { $onelanguage = "00"; }
121
122			my $strippeddir = $strippeddirbase . $installer::globals::separator . $onelanguage;
123			installer::systemactions::create_directory($strippeddir);	# creating language specific subdirectories
124
125			my $destfilename = $strippeddir . $installer::globals::separator . $shortfilename;
126			installer::systemactions::copy_one_file($sourcefilename, $destfilename);
127
128			# change sourcepath in files collector
129
130			${$filelist}[$i]->{'sourcepath'} = $destfilename;
131
132			# strip file
133
134			do_strip($destfilename);
135		}
136	}
137}
138
1391;
140