{ stdenv, fetchurl }: stdenv.mkDerivation rec { name = "jemalloc-4.0.0"; src = fetchurl { url = "http://www.canonware.com/download/jemalloc/${name}.tar.bz2"; sha256 = "1wiydkp8a4adwsgfsd688hpv2z7hjv5manhckchk96v6qdsbqk91"; }; 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 ]; }; }