openwrt-xburst/openwrt/scripts/configtest.pl

#!/usr/bin/perl
my %change = (
	'BUSYBOX' => 'make -C package busybox-clean',
	'OPENVPN_' => 'make -C package openvpn-clean',
	'' => 'make target_clean'
);

my @configfiles = (
	['package/linux/linux.config', 'build_mipsel/linux/.config' =>
		'make -C package linux-clean']
);



foreach my $change (keys %change) {
	my $v1 = `grep '$change' .config.test`;
	my $v2 = `grep '$change' .config`;
	$v1 eq $v2 or system($change{$change});
}

foreach my $file (@configfiles) {
	if ((-f $file->[0]) and (-f $file->[1])) {
		my @s1 = stat $file->[0];
		my @s2 = stat $file->[1];
		$s1[9] > $s2[9] and system($file->[2]);
	}
}