{stdenv, fetchurl, libogg, libvorbis, tremor, autoconf, automake, libtool, pkgconfig}: stdenv.mkDerivation rec { name = "libtheora-1.1.1"; src = fetchurl { url = "http://downloads.xiph.org/releases/theora/${name}.tar.gz"; sha256 = "0swiaj8987n995rc7hw0asvpwhhzpjiws8kr3s6r44bqqib2k5a0"; }; nativeBuildInputs = [ pkgconfig ]; propagatedBuildInputs = [ libogg libvorbis ]; # GCC's -fforce-addr flag is not supported by clang # It's just an optimization, so it's safe to simply remove it postPatch = stdenv.lib.optionalString stdenv.isDarwin '' substituteInPlace configure --replace "-fforce-addr" "" ''; meta = with stdenv.lib; { homepage = http://www.theora.org/; description = "Library for Theora, a free and open video compression format"; license = licenses.bsd3; maintainers = with maintainers; [ spwhitt wkennington ]; platforms = platforms.unix; }; }