if(EMSCRIPTEN)
	add_library(Threads::Threads INTERFACE IMPORTED)
	set_target_properties(Threads::Threads PROPERTIES
		INTERFACE_COMPILE_OPTIONS "SHELL:-pthread"
		INTERFACE_LINK_OPTIONS "SHELL:-pthread -s PTHREAD_POOL_SIZE=4 -s WASM_MEM_MAX=128MB")
	set(Threads_FOUND 1)

	add_library(OpenGL::GL INTERFACE IMPORTED)
	set_target_properties(OpenGL::GL PROPERTIES
		INTERFACE_LINK_OPTIONS "SHELL:-s USE_WEBGL2=1 -s FULL_ES3=1 -s FULL_ES2=1")
	set(OPENGL_FOUND 1)

	if(EMSCRIPTEN_VERSION VERSION_GREATER_EQUAL "3.1.57")
		set(IMGUI_EMSCRIPTEN_GLFW3 "SHELL:--use-port=contrib.glfw3" CACHE STRING "Choose between --use-port=contrib.glfw3 and -sUSE_GLFW=3 for GLFW implementation (default to --use-port=contrib.glfw3)")
		if(EMSCRIPTEN_VERSION VERSION_LESS_EQUAL "3.1.59")
			set(IMGUI_EMSCRIPTEN_GLFW3_DEFINE "-DEMSCRIPTEN_USE_PORT_CONTRIB_GLFW3")
		endif()
	else()
		# cannot use contrib.glfw3 prior to 3.1.57
		set(IMGUI_EMSCRIPTEN_GLFW3 "SHELL:-sUSE_GLFW=3" CACHE STRING "Use -sUSE_GLFW=3 for GLFW implementation" FORCE)
	endif()
	add_library(GLFW::GLFW INTERFACE IMPORTED)
	set_target_properties(GLFW::GLFW PROPERTIES
		INTERFACE_COMPILE_OPTIONS "${IMGUI_EMSCRIPTEN_GLFW3} ${IMGUI_EMSCRIPTEN_GLFW3_DEFINE}"
		INTERFACE_LINK_OPTIONS ${IMGUI_EMSCRIPTEN_GLFW3})
	set(GLFW_FOUND 1)

	add_library(SDL2::SDL2 INTERFACE IMPORTED)
	set_target_properties(SDL2::SDL2 PROPERTIES
		INTERFACE_COMPILE_OPTIONS "SHELL:-s USE_SDL=2"
		INTERFACE_LINK_OPTIONS "SHELL:-s USE_SDL=2")
	set(SDL2_FOUND 1)

	add_library(PNG::PNG INTERFACE IMPORTED)
	set_target_properties(PNG::PNG PROPERTIES
		INTERFACE_COMPILE_OPTIONS "SHELL:-s USE_LIBPNG=1"
		INTERFACE_LINK_OPTIONS "SHELL:-s USE_LIBPNG=1")
	set(PNG_FOUND 1)

	add_library(WebP::WebP STATIC IMPORTED)
	set_target_properties(WebP::WebP PROPERTIES
		IMPORTED_LOCATION ${EMSCRIPTEN_LIBDIR}/libwebp.a
		INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_EMSCRIPTEN_DIR}/include")
	if(EXISTS ${EXTERNAL_EMSCRIPTEN_DIR}/lib/libsharpyuv.a)
		# Since libwebp 1.3.0, libwebp.a needs some symbols from libsharpyuv.a
		add_library(WebP::SharpYUV STATIC IMPORTED)
		set_target_properties(WebP::SharpYUV PROPERTIES
			IMPORTED_LOCATION ${EXTERNAL_EMSCRIPTEN_DIR}/lib/libsharpyuv.a)
		set_target_properties(WebP::WebP PROPERTIES
			INTERFACE_LINK_LIBRARIES WebP::SharpYUV)
	endif()
	set(WEBP_FOUND 1)

	add_library(OpenAL::AL INTERFACE IMPORTED)
	set_target_properties(OpenAL::AL PROPERTIES
		INTERFACE_LINK_OPTIONS "SHELL:-lopenal")
	set(OPENAL_FOUND 1)

	add_library(Vorbis::Vorbisfile INTERFACE IMPORTED)
	set_target_properties(Vorbis::Vorbisfile PROPERTIES
		INTERFACE_COMPILE_OPTIONS "SHELL:-s USE_VORBIS=1"
		INTERFACE_LINK_OPTIONS "SHELL:-s USE_VORBIS=1")
	set(VORBIS_FOUND 1)

	add_library(Lua::Lua STATIC IMPORTED)
	set(EMSCRIPTEN_LUA_LIBRARY "liblua.a")
	if(NCINE_WITH_THREADS)
		set(EMSCRIPTEN_LUA_LIBRARY "liblua-mt.a")
	endif()
	set_target_properties(Lua::Lua PROPERTIES
		IMPORTED_LOCATION ${EMSCRIPTEN_LIBDIR}/${EMSCRIPTEN_LUA_LIBRARY}
		INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_EMSCRIPTEN_DIR}/include")
	set(LUA_FOUND 1)

	return()
endif()

if(NOT NCINE_DYNAMIC_LIBRARY OR NCPROJECT_ALWAYS_FIND_PACKAGES)
	find_package(Threads)
	if (NOT ANDROID)
		find_package(OpenGL REQUIRED)
	endif()
	if(NOT MSVC AND NOT ANDROID) # GCC and LLVM
		if(APPLE)
			set(CMAKE_FRAMEWORK_PATH ${FRAMEWORKS_DIR})
			set(CMAKE_MACOSX_RPATH ON)
		endif()

		if(WIN32)
			find_package(GLEW REQUIRED)
		else()
			find_package(GLEW)
		endif()
		if(NCPROJECT_ARM_PROCESSOR)
			include(check_atomic)
			find_package(OpenGLES2)
		endif()
		find_package(GLFW)
		find_package(SDL2)
		find_package(PNG)
		find_package(OpenAL)
		find_package(WebP)
		find_package(Vorbis)

		# Older CMake versions do not support Lua 5.4 if not required explicitly
		find_package(Lua 5.4)
		if(NOT LUA_FOUND)
			find_package(Lua)
		endif()
	endif()
endif()

if(ANDROID)
	find_library(ANDROID_LIBRARY android)
	find_library(EGL_LIBRARY EGL)
	find_library(GLES3_LIBRARY GLESv3)
	find_library(LOG_LIBRARY log)
	find_library(OPENSLES_LIBRARY OpenSLES)
	find_library(ZLIB_LIBRARY z)

	if(EXISTS ${EXTERNAL_ANDROID_DIR}/png/${ANDROID_ABI}/libpng16.a)
		add_library(PNG::PNG STATIC IMPORTED)
		set_target_properties(PNG::PNG PROPERTIES
			IMPORTED_LINK_INTERFACE_LANGUAGES "C"
			IMPORTED_LOCATION ${EXTERNAL_ANDROID_DIR}/png/${ANDROID_ABI}/libpng16.a
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_ANDROID_DIR}/png/include"
			INTERFACE_LINK_LIBRARIES ${ZLIB_LIBRARY})
		set(PNG_FOUND 1)
	endif()

	if(EXISTS ${EXTERNAL_ANDROID_DIR}/webp/${ANDROID_ABI}/libwebp.a)
		add_library(WebP::WebP STATIC IMPORTED)
		set_target_properties(WebP::WebP PROPERTIES
			IMPORTED_LOCATION ${EXTERNAL_ANDROID_DIR}/webp/${ANDROID_ABI}/libwebp.a
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_ANDROID_DIR}/webp/include")
		if(EXISTS ${EXTERNAL_ANDROID_DIR}/webp/${ANDROID_ABI}/libsharpyuv.a)
			# Since libwebp 1.3.0, libwebp.a needs some symbols from libsharpyuv.a
			add_library(WebP::SharpYUV STATIC IMPORTED)
			set_target_properties(WebP::SharpYUV PROPERTIES
				IMPORTED_LOCATION ${EXTERNAL_ANDROID_DIR}/webp/${ANDROID_ABI}/libsharpyuv.a)
			set_target_properties(WebP::WebP PROPERTIES
				INTERFACE_LINK_LIBRARIES WebP::SharpYUV)
		endif()
		set(WEBP_FOUND 1)
	endif()

	# OpenAL is distributed with the engine, if it has audio support
	if(EXISTS ${NCINE_ANDROID_DIR}/src/main/cpp/openal/${ANDROID_ABI}/libopenal.so)
		add_library(OpenAL::AL SHARED IMPORTED)
		set_target_properties(OpenAL::AL PROPERTIES
			IMPORTED_LOCATION ${NCINE_ANDROID_DIR}/src/main/cpp/openal/${ANDROID_ABI}/libopenal.so
			INTERFACE_INCLUDE_DIRECTORIES "${NCINE_ANDROID_DIR}/src/main/cpp/openal/include")
		set(OPENAL_FOUND 1)
	endif()

	if(EXISTS ${EXTERNAL_ANDROID_DIR}/vorbis/${ANDROID_ABI}/libvorbisfile.a AND
	   EXISTS ${EXTERNAL_ANDROID_DIR}/vorbis/${ANDROID_ABI}/libvorbis.a AND
	   EXISTS ${EXTERNAL_ANDROID_DIR}/ogg/${ANDROID_ABI}/libogg.a)
		add_library(Ogg::Ogg STATIC IMPORTED)
		set_target_properties(Ogg::Ogg PROPERTIES
			IMPORTED_LOCATION ${EXTERNAL_ANDROID_DIR}/ogg/${ANDROID_ABI}/libogg.a
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_ANDROID_DIR}/ogg/include")

		add_library(Vorbis::Vorbis STATIC IMPORTED)
		set_target_properties(Vorbis::Vorbis PROPERTIES
			IMPORTED_LOCATION ${EXTERNAL_ANDROID_DIR}/vorbis/${ANDROID_ABI}/libvorbis.a
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_ANDROID_DIR}/vorbis/include"
			INTERFACE_LINK_LIBRARIES Ogg::Ogg)

		add_library(Vorbis::Vorbisfile STATIC IMPORTED)
		set_target_properties(Vorbis::Vorbisfile PROPERTIES
			IMPORTED_LOCATION ${EXTERNAL_ANDROID_DIR}/vorbis/${ANDROID_ABI}/libvorbisfile.a
			INTERFACE_LINK_LIBRARIES Vorbis::Vorbis)
		set(VORBIS_FOUND 1)
	endif()

	if(EXISTS ${EXTERNAL_ANDROID_DIR}/lua/${ANDROID_ABI}/liblua.a)
		add_library(Lua::Lua STATIC IMPORTED)
		set_target_properties(Lua::Lua PROPERTIES
			IMPORTED_LOCATION ${EXTERNAL_ANDROID_DIR}/lua/${ANDROID_ABI}/liblua.a
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_ANDROID_DIR}/lua/include")
		set(LUA_FOUND 1)
	endif()
elseif(MSVC)
	# Import libraries are not necessary if the engine is a dynamic library
	if((NCINE_DYNAMIC_LIBRARY OR (EXISTS ${MSVC_LIBDIR}/libEGL.dll.lib AND EXISTS ${MSVC_LIBDIR}/libGLESv2.dll.lib)) AND
	   EXISTS ${MSVC_BINDIR}/libEGL.dll AND EXISTS ${MSVC_BINDIR}/libGLESv2.dll)
		add_library(EGL::EGL SHARED IMPORTED)
		set_target_properties(EGL::EGL PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/libEGL.dll.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/libEGL.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include")

		add_library(OpenGLES::GLES SHARED IMPORTED)
		set_target_properties(OpenGLES::GLES PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/libGLESv2.dll.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/libGLESv2.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include")
		set(ANGLE_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR EXISTS ${MSVC_LIBDIR}/glew32.lib) AND EXISTS ${MSVC_BINDIR}/glew32.dll)
		add_library(GLEW::GLEW SHARED IMPORTED)
		set_target_properties(GLEW::GLEW PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/glew32.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/glew32.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include")
		set(GLEW_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR EXISTS ${MSVC_LIBDIR}/glfw3dll.lib) AND EXISTS ${MSVC_BINDIR}/glfw3.dll)
		add_library(GLFW::GLFW SHARED IMPORTED)
		set_target_properties(GLFW::GLFW PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/glfw3dll.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/glfw3.dll
			INTERFACE_COMPILE_DEFINITIONS "GLFW_NO_GLU"
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include")
		set(GLFW_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR (EXISTS ${MSVC_LIBDIR}/SDL2.lib AND EXISTS ${MSVC_LIBDIR}/SDL2main.lib)) AND
	   EXISTS ${MSVC_BINDIR}/SDL2.dll)
		add_library(SDL2::SDL2 SHARED IMPORTED)
		set_target_properties(SDL2::SDL2 PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/SDL2.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/SDL2.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include/SDL2"
			INTERFACE_LINK_LIBRARIES ${MSVC_LIBDIR}/SDL2main.lib)
		set(SDL2_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR (EXISTS ${MSVC_LIBDIR}/libpng16.lib AND EXISTS ${MSVC_LIBDIR}/zlib.lib)) AND
	   EXISTS ${MSVC_BINDIR}/libpng16.dll AND EXISTS ${MSVC_BINDIR}/zlib.dll)
		add_library(ZLIB::ZLIB SHARED IMPORTED)
		set_target_properties(ZLIB::ZLIB PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/zlib.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/zlib.dll)
		add_library(PNG::PNG SHARED IMPORTED)
		set_target_properties(PNG::PNG PROPERTIES
			IMPORTED_LINK_INTERFACE_LANGUAGES "C"
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/libpng16.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/libpng16.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include"
			INTERFACE_LINK_LIBRARIES ZLIB::ZLIB)
		set(PNG_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR EXISTS ${MSVC_LIBDIR}/libwebp.lib) AND EXISTS ${MSVC_BINDIR}/libwebp.dll)
		add_library(WebP::WebP SHARED IMPORTED)
		set_target_properties(WebP::WebP PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/libwebp.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/libwebp.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include")
		if (EXISTS ${MSVC_LIBDIR}/libsharpyuv.lib AND EXISTS ${MSVC_BINDIR}/libsharpyuv.dll)
			add_library(WebP::SharpYUV SHARED IMPORTED)
			set_target_properties(WebP::SharpYUV PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/libsharpyuv.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/libsharpyuv.dll)
			set_target_properties(WebP::WebP PROPERTIES INTERFACE_LINK_LIBRARIES WebP::SharpYUV)
		endif()
		set(WEBP_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR EXISTS ${MSVC_LIBDIR}/OpenAL32.lib) AND EXISTS ${MSVC_BINDIR}/OpenAL32.dll)
		add_library(OpenAL::AL SHARED IMPORTED)
		set_target_properties(OpenAL::AL PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/OpenAL32.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/OpenAL32.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include")
		set(OPENAL_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR (EXISTS ${MSVC_LIBDIR}/ogg.lib AND EXISTS ${MSVC_LIBDIR}/vorbis.lib AND EXISTS ${MSVC_LIBDIR}/vorbisfile.lib)) AND
	   EXISTS ${MSVC_BINDIR}/ogg.dll AND EXISTS ${MSVC_BINDIR}/vorbis.dll AND EXISTS ${MSVC_BINDIR}/vorbisfile.dll)
		add_library(Ogg::Ogg SHARED IMPORTED)
		set_target_properties(Ogg::Ogg PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/ogg.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/ogg.dll)

		add_library(Vorbis::Vorbis SHARED IMPORTED)
		set_target_properties(Vorbis::Vorbis PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/vorbis.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/vorbis.dll
			INTERFACE_LINK_LIBRARIES Ogg::Ogg)

		add_library(Vorbis::Vorbisfile SHARED IMPORTED)
		set_target_properties(Vorbis::Vorbisfile PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/vorbisfile.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/vorbisfile.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include"
			INTERFACE_LINK_LIBRARIES Vorbis::Vorbis)
		set(VORBIS_FOUND 1)
	endif()

	if((NCINE_DYNAMIC_LIBRARY OR EXISTS ${MSVC_LIBDIR}/lua54.lib) AND EXISTS ${MSVC_BINDIR}/lua54.dll)
		add_library(Lua::Lua SHARED IMPORTED)
		set_target_properties(Lua::Lua PROPERTIES
			IMPORTED_IMPLIB ${MSVC_LIBDIR}/lua54.lib
			IMPORTED_LOCATION ${MSVC_BINDIR}/lua54.dll
			INTERFACE_INCLUDE_DIRECTORIES "${EXTERNAL_MSVC_DIR}/include")
		set(LUA_FOUND 1)
	endif()
elseif(MINGW OR MSYS)
	function(set_msys_dll PREFIX DLL_NAME)
		set(LIB_NAME "${DLL_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}")
		set(DLL_LIBRARY "$ENV{MINGW_PREFIX}/bin/${LIB_NAME}")
		if(EXISTS ${DLL_LIBRARY} AND NOT IS_DIRECTORY ${DLL_LIBRARY})
			set(${PREFIX}_DLL_LIBRARY ${DLL_LIBRARY} PARENT_SCOPE)
		else()
			message(WARNING "Could not find: ${DLL_LIBRARY}")
		endif()
	endfunction()

	if(GLFW_FOUND)
		set_msys_dll(GLFW glfw3)
		add_library(GLFW::GLFW SHARED IMPORTED)
		set_target_properties(GLFW::GLFW PROPERTIES
			IMPORTED_IMPLIB ${GLFW_LIBRARY}
			IMPORTED_LOCATION ${GLFW_DLL_LIBRARY}
			INTERFACE_COMPILE_DEFINITIONS "GLFW_NO_GLU"
			INTERFACE_INCLUDE_DIRECTORIES ${GLFW_INCLUDE_DIR})
	endif()

	if(SDL2_FOUND)
		foreach(LIBRARY ${SDL2_LIBRARY})
			string(REGEX MATCH "\.a$" FOUND_STATIC_LIB ${LIBRARY})
			if(NOT FOUND_STATIC_LIB STREQUAL "" AND NOT ${LIBRARY} STREQUAL ${SDL2MAIN_LIBRARY})
				set(SDL2_IMPORT_LIBRARY ${LIBRARY})
				break()
			endif()
		endforeach()

		set_msys_dll(SDL2 SDL2)
		add_library(SDL2::SDL2 SHARED IMPORTED)
		set_target_properties(SDL2::SDL2 PROPERTIES
			IMPORTED_IMPLIB ${SDL2_IMPORT_LIBRARY}
			IMPORTED_LOCATION ${SDL2_DLL_LIBRARY}
			INTERFACE_INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
			INTERFACE_LINK_LIBRARIES ${SDL2MAIN_LIBRARY})
	endif()

	if(WEBP_FOUND)
		set_msys_dll(WEBP libwebp-7)
		add_library(WebP::WebP SHARED IMPORTED)
		set_target_properties(WebP::WebP PROPERTIES
			IMPORTED_IMPLIB ${WEBP_LIBRARY}
			IMPORTED_LOCATION ${WEBP_DLL_LIBRARY}
			INTERFACE_INCLUDE_DIRECTORIES ${WEBP_INCLUDE_DIR})
	endif()

	if(OPENAL_FOUND)
		set_msys_dll(OPENAL libopenal-1)
		add_library(OpenAL::AL SHARED IMPORTED)
		set_target_properties(OpenAL::AL PROPERTIES
			IMPORTED_IMPLIB ${OPENAL_LIBRARY}
			IMPORTED_LOCATION ${OPENAL_DLL_LIBRARY}
			IMPORTED_LOCATION ${OPENAL_LIB_PATH}/${OPENAL_LIB_NAME}.dll
			INTERFACE_INCLUDE_DIRECTORIES ${OPENAL_INCLUDE_DIR})

		if(VORBIS_FOUND)
			set_msys_dll(VORBISFILE libvorbisfile-3)
			add_library(Vorbis::Vorbisfile SHARED IMPORTED)
			set_target_properties(Vorbis::Vorbisfile PROPERTIES
				IMPORTED_IMPLIB ${VORBISFILE_LIBRARY}
				IMPORTED_LOCATION ${VORBISFILE_DLL_LIBRARY}
				INTERFACE_INCLUDE_DIRECTORIES ${VORBIS_INCLUDE_DIR}
				INTERFACE_LINK_LIBRARIES "${VORBIS_LIBRARY};${OGG_LIBRARY}")
		endif()
	endif()

	if(LUA_FOUND)
		set_msys_dll(LUA lua54)
		add_library(Lua::Lua SHARED IMPORTED)
		set_target_properties(Lua::Lua PROPERTIES
			IMPORTED_IMPLIB ${LUA_LIBRARY}
			IMPORTED_LOCATION ${LUA_DLL_LIBRARY}
			INTERFACE_INCLUDE_DIRECTORIES ${LUA_INCLUDE_DIR})
	endif()
else() # GCC and LLVM
	function(split_extra_libraries PREFIX LIBRARIES)
		foreach(LIBRARY ${LIBRARIES})
			string(REGEX MATCH "^-l" FOUND_LINKER_ARG ${LIBRARY})
			string(REGEX MATCH "\.a$" FOUND_STATIC_LIB ${LIBRARY})
			if(NOT FOUND_LINKER_ARG STREQUAL "" OR NOT FOUND_STATIC_LIB STREQUAL "")
				list(APPEND EXTRA_LIBRARIES ${LIBRARY})
			else()
				list(APPEND LIBRARY_FILE ${LIBRARY})
			endif()
		endforeach()
		set(${PREFIX}_EXTRA_LIBRARIES ${EXTRA_LIBRARIES} PARENT_SCOPE)
		set(${PREFIX}_LIBRARY_FILE ${LIBRARY_FILE} PARENT_SCOPE)
	endfunction()

	if(ATOMIC_FOUND)
		add_library(Atomic::Atomic INTERFACE IMPORTED)
		set_target_properties(Atomic::Atomic PROPERTIES
			INTERFACE_LINK_DIRECTORIES ${ATOMIC_DIRECTORY}
			INTERFACE_LINK_LIBRARIES atomic)
	endif()

	if(OPENGLES2_FOUND)
		add_library(EGL::EGL SHARED IMPORTED)
		set_target_properties(EGL::EGL PROPERTIES
			IMPORTED_LOCATION ${EGL_LIBRARIES}
			INTERFACE_INCLUDE_DIRECTORIES ${EGL_INCLUDE_DIR})

		add_library(OpenGLES2::GLES2 SHARED IMPORTED)
		set_target_properties(OpenGLES2::GLES2 PROPERTIES
			IMPORTED_LOCATION ${OPENGLES2_LIBRARIES}
			INTERFACE_INCLUDE_DIRECTORIES ${OPENGLES2_INCLUDE_DIR})
	endif()

	if(GLFW_FOUND)
		add_library(GLFW::GLFW SHARED IMPORTED)
		set_target_properties(GLFW::GLFW PROPERTIES
			IMPORTED_LOCATION "${GLFW_LIBRARY}" # On macOS it's a list
			INTERFACE_COMPILE_DEFINITIONS "GLFW_NO_GLU"
			INTERFACE_INCLUDE_DIRECTORIES ${GLFW_INCLUDE_DIR})
	endif()

	if(SDL2_FOUND)
		split_extra_libraries(SDL2 "${SDL2_LIBRARY}")
		add_library(SDL2::SDL2 SHARED IMPORTED)
		set_target_properties(SDL2::SDL2 PROPERTIES
			IMPORTED_LOCATION "${SDL2_LIBRARY_FILE}" # On macOS it's a list
			INTERFACE_INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIR}
			INTERFACE_LINK_LIBRARIES "${SDL2_EXTRA_LIBRARIES}")
	endif()

	if(WEBP_FOUND)
		add_library(WebP::WebP SHARED IMPORTED)
		set_target_properties(WebP::WebP PROPERTIES
			IMPORTED_LOCATION ${WEBP_LIBRARY}
			INTERFACE_INCLUDE_DIRECTORIES ${WEBP_INCLUDE_DIR})
	endif()

	if(OPENAL_FOUND)
		add_library(OpenAL::AL SHARED IMPORTED)
		set_target_properties(OpenAL::AL PROPERTIES
			IMPORTED_LOCATION ${OPENAL_LIBRARY}
			INTERFACE_INCLUDE_DIRECTORIES ${OPENAL_INCLUDE_DIR})

		if(VORBIS_FOUND)
			add_library(Ogg::Ogg SHARED IMPORTED)
			set_target_properties(Ogg::Ogg PROPERTIES
				IMPORTED_LOCATION ${OGG_LIBRARY})

			add_library(Vorbis::Vorbis SHARED IMPORTED)
			set_target_properties(Vorbis::Vorbis PROPERTIES
				IMPORTED_LOCATION ${VORBIS_LIBRARY}
				INTERFACE_INCLUDE_DIRECTORIES ${VORBIS_INCLUDE_DIR}
				INTERFACE_LINK_LIBRARIES "${OGG_LIBRARY}")

			add_library(Vorbis::Vorbisfile SHARED IMPORTED)
			set_target_properties(Vorbis::Vorbisfile PROPERTIES
				IMPORTED_LOCATION ${VORBISFILE_LIBRARY}
				INTERFACE_INCLUDE_DIRECTORIES ${VORBIS_INCLUDE_DIR}
				INTERFACE_LINK_LIBRARIES "${VORBIS_LIBRARY}")
		endif()
	endif()

	if(LUA_FOUND)
		add_library(Lua::Lua SHARED IMPORTED)
		set_target_properties(Lua::Lua PROPERTIES
			IMPORTED_LOCATION ${LUA_LIBRARY}
			INTERFACE_INCLUDE_DIRECTORIES ${LUA_INCLUDE_DIR})
	endif()

	if(APPLE)
		function(split_extra_frameworks PREFIX LIBRARIES)
			foreach(LIBRARY ${LIBRARIES})
				string(REGEX MATCH "^-framework " FOUND ${LIBRARY})
				if(NOT FOUND STREQUAL "")
					list(APPEND FRAMEWORK_LINKS ${LIBRARY})
				else()
					list(APPEND FRAMEWORK_DIR ${LIBRARY})
				endif()
			endforeach()
			set(${PREFIX}_FRAMEWORK_LINKS ${FRAMEWORK_LINKS} PARENT_SCOPE)
			set(${PREFIX}_FRAMEWORK_DIR ${FRAMEWORK_DIR} PARENT_SCOPE)
		endfunction()

		if(GLEW_FOUND)
			get_target_property(GLEW_LIBRARY_RELEASE GLEW::GLEW IMPORTED_LOCATION_RELEASE)
			set_target_properties(GLEW::GLEW PROPERTIES
				IMPORTED_LOCATION ${GLEW_LIBRARY_RELEASE}/glew
				IMPORTED_LOCATION_RELEASE ${GLEW_LIBRARY_RELEASE}/glew
				IMPORTED_LOCATION_DEBUG ${GLEW_LIBRARY_RELEASE}/glew)
		endif()

		if(GLFW_FOUND)
			split_extra_frameworks(GLFW "${GLFW_LIBRARY}")
			set_target_properties(GLFW::GLFW PROPERTIES
				IMPORTED_LOCATION ${GLFW_FRAMEWORK_DIR}/glfw
				INTERFACE_LINK_LIBRARIES ${GLFW_FRAMEWORK_LINKS})
		endif()

		if(SDL2_FOUND)
			split_extra_frameworks(SDL2 "${SDL2_LIBRARY}")
			set_target_properties(SDL2::SDL2 PROPERTIES
				IMPORTED_LOCATION ${SDL2_FRAMEWORK_DIR}/sdl2
				INTERFACE_LINK_LIBRARIES ${SDL2_FRAMEWORK_LINKS})
		endif()

		if(PNG_FOUND)
			get_target_property(ZLIB_LIBRARY_RELEASE ZLIB::ZLIB IMPORTED_LOCATION_RELEASE)
			set_target_properties(ZLIB::ZLIB PROPERTIES
				IMPORTED_LOCATION ${ZLIB_LIBRARY_RELEASE}/zlib
				IMPORTED_LOCATION_RELEASE ${ZLIB_LIBRARY_RELEASE}/zlib
				IMPORTED_LOCATION_DEBUG ${ZLIB_LIBRARY_RELEASE}/zlib)
			get_target_property(PNG_LIBRARY_RELEASE PNG::PNG IMPORTED_LOCATION_RELEASE)
			set_target_properties(PNG::PNG PROPERTIES
				IMPORTED_LOCATION ${PNG_LIBRARY_RELEASE}/png
				IMPORTED_LOCATION_RELEASE ${PNG_LIBRARY_RELEASE}/png
				IMPORTED_LOCATION_DEBUG ${PNG_LIBRARY_RELEASE}/png)
		endif()

		if(WEBP_FOUND)
			set_target_properties(WebP::WebP PROPERTIES
				IMPORTED_LOCATION ${WEBP_LIBRARY}/webp)
		endif()

		if(OPENAL_FOUND)
			set_target_properties(OpenAL::AL PROPERTIES
				IMPORTED_LOCATION ${OPENAL_LIBRARY}/openal)

			if(VORBIS_FOUND)
				set_target_properties(Vorbis::Vorbisfile PROPERTIES
					IMPORTED_LOCATION ${VORBISFILE_LIBRARY}/vorbisfile)
			endif()
		endif()

		if(LUA_FOUND)
			set_target_properties(Lua::Lua PROPERTIES
				IMPORTED_LOCATION ${LUA_LIBRARY}/lua)
		endif()
	endif()
endif()