args: with args.lib; with args; let name="gxemul-0.4.6"; co = chooseOptionsByFlags { inherit args; flagDescr = { mandatory = { install = "ensureDir \$out/bin; cp gxemul \$out/bin;"; }; doc = { install = "ensureDir \$out/share/${name}; cp -r doc \$out/share/${name};"; implies = "man"; }; demos = { install = "ensureDir \$out/share/${name}; cp -r demos \$out/share/${name};"; }; man = { install = "cp -r ./man \$out/;";}; }; optionals = ["libX11"]; defaultFlags = [ "demos" "doc" ]; }; in stdenv.mkDerivation { inherit name; inherit (co) /* flags */ buildInputs configureFlags; src = fetchurl { url = http://gavare.se/gxemul/src/gxemul-0.4.6.tar.gz; sha256 = "0hf3gi6hfd2qr5090zimfiddcjgank2q6m7dfsr81wwpxfbhb2z3"; }; configurePhase="./configure"; installPhase = concatStrings ( catAttrs "install" co.flatOptions ); meta = { license = "BSD"; description = "A Machine Emulator, Mainly emulates MIPS, but supports other CPU type"; homepage = http://gavare.se/gxemul/; }; }