# Automatically initialize and update Git submodules
if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
    message(STATUS "Updating Git submodules...")
    execute_process(
        COMMAND git submodule update --init --recursive
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        RESULT_VARIABLE GIT_SUBMOD_RESULT
    )
    if(NOT GIT_SUBMOD_RESULT EQUAL 0)
        message(FATAL_ERROR "Failed to update Git submodules")
    endif()
endif()