@ -15,6 +15,9 @@ stdenv.mkDerivation rec {
buildInputs = [ perl ] ++ extraBuildInputs;
hardeningDisable = [ "format" ];
# tests fail when building in parallel
enableParallelBuilding = false;
postInstall = ''
for bin in $out/bin/{splitdiff,rediff,editdiff,dehtmldiff}; do
wrapProgram "$bin" \