Apple LLVM 编译器 - 使用编译指示来禁止文件一部分的所有警告？

发布于 2024-11-29 08:45:14 字数 213 浏览 1 评论 0原文

我需要对我的源文件之一的部分内容发出禁止警告。这就是我所拥有的。它不起作用。

 #pragma GCC diagnostic push
 #pragma GCC "-w"  // also tried "-Wall"

     // code that generates warnings here

 #pragma GCC diagnostic pop

原文

I need inhibit warnings for part of one of my source files. This is what I have. It's not working.

 #pragma GCC diagnostic push
 #pragma GCC "-w"  // also tried "-Wall"

     // code that generates warnings here

 #pragma GCC diagnostic pop

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離殇 2024-12-06 08:45:14

您可以使用以下格式禁用单个警告：

#pragma GCC diagnostic ignored "-Wwarning-to-disable"

除非，这不适用于 "-Wall"，仅适用于单个警告。我建议仅禁用您遇到的特定警告，并且仅当它位于您无法控制的源文件中时。如果它出现在您的代码中，您应该认真考虑以正确的方式修复警告。

编辑：请参阅第 3.8 节，请求或抑制警告的选项，在GCC 文档。

编辑 2：啊，没有意识到这不是一个全面的列表。似乎没有任何文档包含完整的列表，但您可以随时检查源代码。浏览 clang 源代码，它看起来像 include/clang/Basic/DiagnosticGroups.td 列出了一大堆。

You can disable individual warnings using the format:

#pragma GCC diagnostic ignored "-Wwarning-to-disable"

Except, that doesn't work for "-Wall", only for individual warnings. I would recommend only disabling the particular warning you're experiencing, and only if it's in source files over which you've no control. If it's in your code, you should seriously consider fixing the warnings in the proper way.

Edit: See Section 3.8, Options to Request or Suppress Warnings, in the GCC docs.

Edit 2: Ah, didn't realize that isn't a comprehensive list. There doesn't appear to be any documentation containing a comprehensive list, but you can always check the source. Poking around the clang source, it looks like include/clang/Basic/DiagnosticGroups.td lists a whole bunch of them.

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