目前使用keil在编译thorvg文件夹的CPP文件移植报错，E:\Keil_v5\ARM\ARMCLANG\Bin..\include\libcxx\thread(114): error: “ is not supported since libc++ has been configured without support for threads.”
错误2：…/SourceFile/Middleware/lvgl/src/libs/thorvg/tvgCommon.h(36): error: no member named ‘lock_guard’ in namespace ‘std’