#!/usr/bin/perl
#---------------------------------------------------------------
# Project         : Linux-Mandrake
# Module          : spec-helper
# File            : strip_files
# Version         : $Id$
# Author          : Frederic Lepied
# Created On      : Thu Feb 10 09:23:02 2000
# Purpose         : Strip files.
#---------------------------------------------------------------

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_files = (split(' ', $ENV{EXCLUDE_FROM_STRIP}), "/usr/lib/debug");

# TODO: we should write a binding for libfile...
sub expensive_test {
    my ($file) = @_;
    my $type = `file -- $file`;
}

sub testfile() {
    local $_ = $_;
    return if -l $_ || -d $_; # Skip directories and symlinks always.
    my $fn = "$File::Find::dir/$_";

    # See if we were asked to exclude this file.
    # Note that we have to test on the full filename, including directory.
    foreach my $f (@exclude_files) {
	return if $fn =~ m/\Q$f\E/;
    }
    
    # Does its filename look like a shared library?
    if (m/\.so/) {
	# Ok, do the expensive test.
	if (expensive_test($_) =~ m/ELF.*shared/) {
	    push @executables, $fn;
	    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, $fn;
	    return;
	}
    }
    
    # Is it a static library, and not a debug library?
    if (m/lib.*\.a/ && ! m/_g\.a/) {
	push @static_libs, $fn;
	return;
    }
}

################################################################################
my $RPM_BUILD_ROOT = $ENV{RPM_BUILD_ROOT};
chdir($RPM_BUILD_ROOT) or die "Can't cd to $ENV{RPM_BUILD_ROOT}: $!";

@shared_libs = @executables = @static_libs = ();
find(\&testfile, $RPM_BUILD_ROOT);

# 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;


# strip_files ends here