All XLC and XLF compilers need to be installed.

必需安装所有的XLC和XLF编译器。

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The IBM XLC compiler, on the other hand, is the opposite.

另一方面，IBM XLC 编译器则正好相反。

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You need to make sure to install all the XLC and XLF compilers.

需要确保安装所有的XLC和XLF编译器。

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