# Check if a dependency exist before trying to init git submodules
function(check_init_submodule path)
	file(GLOB DIR_CONTENT path)
	list(LENGTH RESULT CONTENT_COUNT)
	if (CONTENT_COUNT EQUAL 0)
		if (NOT EXISTS "${PROJECT_SOURCE_DIR}/.git")
			message(FATAL_ERROR "Failed to find third party dependency in '${path}'")			
		endif()

		find_package(Git QUIET)
		if (NOT Git_FOUND)
			message(FATAL_ERROR "Failed to find Git, third party dependency could not be setup at `${path}")
		endif()

		message(STATUS "Setting up dependencies as git submodules")
        execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
                        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                        RESULT_VARIABLE GIT_SUBMOD_RESULT)

        if(NOT GIT_SUBMOD_RESULT EQUAL "0")
            message(FATAL_ERROR "Initializing Git submodules failed with ${GIT_SUBMOD_RESULT}")
        endif()
	endif()
endfunction()