{ stdenv, fetchurl, cmake , alsaSupport ? true, alsaLib ? null , pulseSupport ? true, pulseaudio ? null }: assert alsaSupport -> alsaLib != null; assert pulseSupport -> pulseaudio != null; stdenv.mkDerivation rec { version = "1.15.1"; name = "openal-soft-${version}"; src = fetchurl { url = "http://kcat.strangesoft.net/openal-releases/${name}.tar.bz2"; sha256 = "0mmhdqiyb3c9dzvxspm8h2v8jibhi8pfjxnf6m0wn744y1ia2a8f"; }; buildInputs = [ cmake ] ++ stdenv.lib.optional alsaSupport alsaLib ++ stdenv.lib.optional pulseSupport pulseaudio; NIX_LDFLAGS = [] ++ stdenv.lib.optional alsaSupport "-lasound" ++ stdenv.lib.optional pulseSupport "-lpulse"; meta = { description = "OpenAL alternative"; homepage = http://kcat.strangesoft.net/openal.html; license = stdenv.lib.licenses.gpl2; }; }