{ lib, stdenv, fetchFromGitHub, perl }: stdenv.mkDerivation rec { pname = "zpaq"; version = "7.15"; src = fetchFromGitHub { owner = "zpaq"; repo = "zpaq"; rev = version; sha256 = "0v44rlg9gvwc4ggr2lhcqll8ppal3dk7zsg5bqwcc5lg3ynk2pz4"; }; nativeBuildInputs = [ perl /* for pod2man */ ]; CPPFLAGS = [ "-Dunix" ] ++ lib.optional (!stdenv.isi686 && !stdenv.isx86_64) "-DNOJIT"; CXXFLAGS = [ "-O3" "-DNDEBUG" ]; enableParallelBuilding = true; makeFlags = [ "CXX=${stdenv.cc.targetPrefix}c++" ]; installFlags = [ "PREFIX=$(out)" ]; meta = with lib; { description = "Incremental journaling backup utility and archiver"; homepage = "http://mattmahoney.net/dc/zpaq.html"; license = licenses.gpl3Plus ; maintainers = with maintainers; [ raskin ]; platforms = platforms.linux; }; }