-system("find -type d -exec rmdir {} \\; 2> /dev/null");
-system("patch --verbose < ../xpdf-changes.patch") and die;
+system("find . -type d -exec rmdir {} \\; 2> /dev/null");
+
+$c = 'find . \( -name "*.cc" -or -name "*.h" -or -name "*.c" \) -exec cp {} {}.orig \;';
+print "$c\n";
+system($c);
+
+system("patch < ../xpdf-changes.patch 2>&1 | grep -i failed");