[compiler-rt] [builitins] Only try to use getauxval on Linux (PR #104047)

[Jon Roelofs via llvm-commits]

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@@ -73,7 +73,7 @@ struct {
 #elif defined(__ANDROID__)
 #include "aarch64/fmv/mrs.inc"
 #include "aarch64/fmv/android.inc"
-#elif __has_include(<sys/auxv.h>)
+#elif defined(__linux__) && __has_include(<sys/auxv.h>)
 #include "aarch64/fmv/mrs.inc"
 #include "aarch64/fmv/getauxval.inc"
 #else
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jroelofs wrote:

Is the expectation that we hit the unimplemented case on OpenBSD?

https://github.com/llvm/llvm-project/pull/104047