Since commitefc6c070ac("configure: Add a test for the minimum compiler version") the minimum compiler version required for GCC is 4.8, which supports __builtin_bswap(). Remove the Haiku specific ifdef'ry. This reverts commit652a46ebba("bswap.h: Include <endian.h> on Haiku for bswap operations"). Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230111163147.71761-5-philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>