IUSE="+joystick"

	!x86? ( media-libs/libsdl2[joystick?,opengl,sound,video] )

	x86? ( !joystick? ( media-libs/libsdl2[opengl,sound,video] ) )

"

BDEPEND="

	dev-util/patchelf

		# The FMOD libraries are duplicated rather than symlinked, which is

		# silly, so create our own symlinks. Both sets of names are needed.

		# The SONAMEs are also unset, which upsets our QA check, so fix.

		patchelf --set-soname "${LIB%-*}.so" "${ED}${DIR}/lib/${LIB}" || die

	if use joystick; then

		local SDL=libSDL2-2.0.so.0

		local SDLj=libSDL2-joystick.so

		if use x86; then

			# Under x86, using our own SDL2 causes the game to crash when a

			# controller is connected, even after applying the workaround below.

			# It is seemingly caused by a change to the SDL_GetJoystickGUIDInfo

			# signature. We must therefore use the bundled SDL2.

			doexe ${BITS}/lib/${SDL}

		else

			# The game uses internal SDL2 joystick functions. These functions

			# have since been hidden and some have been removed. Using our own

			# SDL2 therefore causes the game to crash when a controller is

			# connected. We still want to use our own SDL2 for things like

			# Wayland, but we can work around this by loading both, using the

			# bundled one as a fallback.

			newexe ${BITS}/lib/${SDL} ${SDLj}

			# The bundled SDL2 SONAME has to be set to something different.

			patchelf --set-soname ${SDLj} "${ED}${DIR}"/lib/${SDLj} || die

			# We need to add the new SONAME as a NEEDED entry, but the order is

			# important, so we also need to remove the existing NEEDED entry

			# first and add it back again afterwards.

			patchelf \

				--remove-needed ${SDL} \

				--add-needed ${SDLj} \

				--add-needed ${SDL} \

				"${ED}${DIR}"/${MY_PN} || die

		fi

	fi

	# The RUNPATHs are not entirely correct so fix up.

	patchelf --set-rpath '$ORIGIN/lib' "${ED}${DIR}"/${MY_PN} || die

	patchelf --set-rpath '$ORIGIN' "${ED}${DIR}"/lib/libfmodevent*.so || die