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。

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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

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。

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