Before running the **clang** command, install the LLVM compiler. For details, see [Installing LLVM](../quick-start/quickstart-lite-package-environment.md#section711117144296).
Before running the **clang** command, install the LLVM compiler. For details, see [Installing LLVM](../quick-start/quickstart-lite-steps-hi3861-setting.md).
**--target=arm-liteos**: specifies the compilation platform, which is arm-liteos.