#! perl -w

use strict;



sub save_edit {
	my ($found, $file_name, $temp_name) = @_;

	if ($found <= 0) {
		unlink $temp_name;
		print "no change: ", $file_name, "\n";
	} else {
		rename $temp_name, $file_name;
		print "save edit: ", $file_name, "\n";
	}
}



sub fix_basetsd_dep {
	my ($file_name) = @_;
	my $temp_name = $file_name . ".tmp";

	open FINP, "< " . $file_name or die "open error: ", $file_name;
	open FOUT, "> " . $temp_name or die "open error: ", $temp_name;

	my $found = 0;
	while (<FINP>) {
		if (/basetsd\.h/) {
			$found += 1;
		} else {
			print FOUT $_;
		}
	}

	close FOUT;
	close FINP;

	save_edit $found, $file_name, $temp_name;
}



sub fix_cvsnt_mak {
	my $file_name = "cvsnt.mak";
	my $temp_name = $file_name . ".tmp";

	open FINP, "< " . $file_name or die "open error: ", $file_name;
	open FOUT, "> " . $temp_name or die "open error: ", $temp_name;

	my $found = 0;
	while (<FINP>) {
		if ($. == 2 && !/RECURSE/) {
			$found += 1;
			print FOUT qq/!IF "\$(RECURSE)" == ""\n/;
			print FOUT "RECURSE=1\n";
			print FOUT "!ENDIF\n";
		}
		print FOUT $_;
	}

	close FOUT;
	close FINP;

	save_edit $found, $file_name, $temp_name;
}



sub fix_libdiff_mak {
	my $file_name = "diff/libdiff.mak";
	my $temp_name = $file_name . ".tmp";

	open FINP, "< " . $file_name or die "open error: ", $file_name;
	open FOUT, "> " . $temp_name or die "open error: ", $temp_name;

	my $found = 0;
	while (<FINP>) {
		if (/^[ \t]+cd[ \t]+"\\.*\\[Ll][Ii][Bb]"$/) {
			$found += 1;
			s/cd[ \t]+.*/cd "..\\lib"/;
		}
		print FOUT $_;
	}

	close FOUT;
	close FINP;

	save_edit $found, $file_name, $temp_name;
}




fix_basetsd_dep "cvsnt.dep";
fix_basetsd_dep "lib/libcvs.dep";
fix_cvsnt_mak;
fix_libdiff_mak;