{stdenv, fetchurl}: let pname = "icu4c"; version = "4.6"; in stdenv.mkDerivation { name = pname + "-" + version; src = fetchurl { url = "http://download.icu-project.org/files/${pname}/${version}/${pname}-" + (stdenv.lib.replaceChars ["."] ["_"] version) + "-src.tgz"; sha256 = "1z6zklqdf6pq7fckk8ar4vmfrnw79bih6yc8gwc7k2vx2alav8dm"; }; postUnpack = " sourceRoot=\${sourceRoot}/source echo Source root reset to \${sourceRoot} "; configureFlags = "--disable-debug"; meta = { description = "Unicode and globalization support library"; homepage = http://site.icu-project.org/; maintainers = with stdenv.lib.maintainers; [raskin urkud]; platforms = stdenv.lib.platforms.all; }; }