{ stdenv, fetchurl }: let version = "4.10.8"; in stdenv.mkDerivation { name = "nspr-${version}"; src = fetchurl { url = "http://ftp.mozilla.org/pub/mozilla.org/nspr/releases/v${version}/src/nspr-${version}.tar.gz"; sha256 = "507ea57c525c0c524dae4857a642b4ef5c9d795518754c7f83422d22fe544a15"; }; preConfigure = "cd nspr"; configureFlags = "--enable-optimize --disable-debug ${if stdenv.is64bit then "--enable-64bit" else ""}"; postInstall = '' find $out -name "*.a" | xargs rm ''; enableParallelBuilding = true; meta = { homepage = http://www.mozilla.org/projects/nspr/; description = "Netscape Portable Runtime, a platform-neutral API for system-level and libc-like functions"; }; }