src_prepare() {
        FCEUMM_LIB_PATH="${EROOT}usr/$(get_libdir)/libretro/fceumm_libretro.so"
        [ -f "${FCEUMM_LIB_PATH}" ] || die "${FCEUMM_LIB_PATH} does not exist"
        echo "set(FCEUMM_LIB ${FCEUMM_LIB_PATH})" > "${S}/libretro-fceumm-config.cmake" || die
        export CMAKE_PREFIX_PATH="${S}"
        default
}