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#!/usr/bin/perl
# $Id$
# Strip files
use strict;
use warnings;
use File::Find;
################################################################################
# Check if a file is an elf binary, shared library, or static library,
# for use by File::Find. It'll fill the following 3 arrays with anything
# it finds:
my (@shared_libs, @executables, @static_libs);
my $exclude_pattern = join('|',
map { '(:?' . quotemeta($_) . ')' }
$ENV{EXCLUDE_FROM_STRIP} ?
split(' ', $ENV{EXCLUDE_FROM_STRIP}) : (),
'/usr/lib/debug'
);
$exclude_pattern = qr/$exclude_pattern/;
# TODO: we should write a binding for libfile...
sub expensive_test {
my ($file) = @_;
my $type = `file -- $file`;
}
sub testfile() {
# skip symlinks
return if -l $_;
# skip directories
return if -d $_;
# skip excluded files
return if $File::Find::name =~ $exclude_pattern;
# Does its filename look like a shared library?
if (m/\.so/) {
# Ok, do the expensive test.
if (expensive_test($_) =~ m/ELF.*shared/) {
push @executables, $File::Find::name;
return;
}
}
# Is it executable? -x isn't good enough, so we need to use stat.
my (undef, undef, $mode, undef) = stat(_);
if ($mode & 0111) {
# Ok, expensive test.
if (expensive_test($_) =~ m/ELF.*executable/) {
push @executables, $File::Find::name;
return;
}
}
# Is it a static library, and not a debug library?
if (m/lib.*\.a/ && ! m/_g\.a/) {
push @static_libs, $File::Find::name;
return;
}
}
################################################################################
my $buildroot = $ENV{RPM_BUILD_ROOT};
die "No build root defined" unless $buildroot;
die "Invalid build root" unless -d $buildroot;
chdir($buildroot) or die "Can't cd to $buildroot: $!";
@shared_libs = @executables = @static_libs = ();
find(\&testfile, $buildroot);
# Note that all calls to strip on shared libs *must* include the
# --strip-unneeded.
system(
"strip",
"--remove-section=.comment",
"--remove-section=.note",
"--strip-unneeded",
$_) foreach @shared_libs;
system(
"strip",
"--remove-section=.comment",
"--remove-section=.note",
$_) foreach @executables;
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