[Lldb-commits] [lldb] [NFCI][lldb][test] Enable GNU POSIX extensions where necessary (PR #166768)

[Raul Tambre via lldb-commits]

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@@ -1,3 +1,7 @@
+#if defined(__linux__)
+#define _DEFAULT_SOURCE /* for kill(), usleep() and GNU's signal() */
+#endif
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tambry wrote:

Done. Went with this approach initially as most people seem to prefer scoping these to per-file to avoid accidentally using POSIX extensions without knowing. That's what I did [for compiler-rt](https://github.com/llvm/llvm-project/commit/88d303e6d42a17a5b1789f6f4b3a1b4ee98b5bf7), for example.

https://github.com/llvm/llvm-project/pull/166768