# Like `FetchContent_MakeAvailable` but passes EXCLUDE_FROM_ALL to `add_subdirectory`.
macro(FetchContent_MakeAvailableExcludeFromAll)
    foreach(contentName IN ITEMS ${ARGV})
        string(TOLOWER ${contentName} contentNameLower)
        FetchContent_GetProperties(${contentName})
        if(NOT ${contentNameLower}_POPULATED)
            FetchContent_Populate(${contentName})
            if(EXISTS ${${contentNameLower}_SOURCE_DIR}/CMakeLists.txt)
                add_subdirectory(${${contentNameLower}_SOURCE_DIR}
                    ${${contentNameLower}_BINARY_DIR} EXCLUDE_FROM_ALL)
            endif()
        endif()
    endforeach()
endmacro()