/arm-linux-musleabi/bin/ld: CMakeFiles/demo.dir/main.c.o: in function `main':
/home/xjt/F1C100S_LVGL_DEMO_WITH_CMAKE/arm-linux-musleabi/bin/ld: /home/xjt/F1C100S_
/aarch64-buildroot-linux-gnu/include/c++/9.4.0/cwchar:44,
from /opt/sdk_mmia53.e2c-demofrom /opt/sdk_mmia53.e2c-demo.640/opt/ext-toolchain/aarch64-buildroot-linux</e