if(USE_EXTERNAL_GLFW STREQUAL "ON")

find_package(glfw3 3.4 REQUIRED)

elseif(USE_EXTERNAL_GLFW STREQUAL "IF_POSSIBLE")

find_package(glfw3 3.4 QUIET)

endif()

if (glfw3_FOUND)

set(LIBS_PRIVATE ${LIBS_PRIVATE} glfw)

endif()

# Explicitly check against "ON", because USE_EXTERNAL_GLFW is a tristate option

# Also adding only on desktop (web also uses glfw but it is more limited and is added using an emcc linker flag)

if(NOT glfw3_FOUND AND NOT USE_EXTERNAL_GLFW STREQUAL "ON" AND "${PLATFORM}" MATCHES "Desktop")

MESSAGE(STATUS "Using raylib's GLFW")

set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE)

set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE)

set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)

set(GLFW_INSTALL OFF CACHE BOOL "" FORCE)

set(GLFW_LIBRARY_TYPE "OBJECT" CACHE STRING "" FORCE)

add_subdirectory(external/glfw)

# Hide glfw's symbols when building a shared lib

if (BUILD_SHARED_LIBS)

set_property(TARGET glfw PROPERTY C_VISIBILITY_PRESET hidden)

endif()

list(APPEND raylib_sources $<TARGET_OBJECTS:glfw>)

include_directories(BEFORE SYSTEM external/glfw/include)

elseif("${PLATFORM}" STREQUAL "DRM")

MESSAGE(STATUS "No GLFW required on PLATFORM_DRM")

else()

MESSAGE(STATUS "Using external GLFW")

set(GLFW_PKG_DEPS glfw3)

endif()