执行clang报错：

c:/>clang test.c

clang: warning: unable to find a Visual Studio installation; try running Clang from a developer command prompt [-Wmsvc-not-found]
clang: error: unable to execute command: program not executable
clang: error: linker command failed with exit code 1 (use -v to see invocation)

解决方法：

1、安装visual stduio，地址： https://visualstudio.microsoft.com/zh-hans/

2、安装时选择安装负载： c++桌面开发

3、 配置环境变量