Lines 6-8 also won't parse. Since they are part of the expression that started on line 5, the compiler stopped after the first error.

第6到8行无法解析。因为它们是第5行开始的表达式的一部分，编译器在遇到第一个错误之后就会停住。

youdao

In addition to the listed options, all single-letter compiler directives can be specified on the command line, as described in compiler directive options.

在附加的选项列表中，所有的单字符编译器指令都可以在命令行编译中使用，详情请参照：编译器指令。

youdao

Finally, on some Linux systems, clock_gettime may be a part of librt.so, and you may need to append the -lrt switch to the compiler command line.

最后，在某些Linux系统上，clock_gettime可能是librt . so的组成部分，可能需要在编译器命令行中添加—lrt开关。

youdao