{ stdenv, fetchurl }: stdenv.mkDerivation rec { name = "jemalloc-4.0.3"; src = fetchurl { url = "http://www.canonware.com/download/jemalloc/${name}.tar.bz2"; sha256 = "1mpnfaniaybv8kh7yjqq2g595l2i08m7adg238k5igzf61n6ixzi"; }; meta = with stdenv.lib; { homepage = http://www.canonware.com/jemalloc/index.html; description = "a general purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support"; license = licenses.bsd2; platforms = platforms.all; maintainers = with maintainers; [ wkennington ]; }; }