[compiler-rt] [sanitizer_common] Updated build fix for newer NetBSD (PR #134742)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Brad Smith (brad0)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/134742.diff


1 Files Affected:

- (modified) compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp (+4-3) 


``````````diff
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
index 9cc9da3d88c40..652c4a986ab72 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
@@ -30,11 +30,12 @@
 
 #  if SANITIZER_NETBSD
 #    // for __lwp_gettcb_fast() / __lwp_getprivate_fast()
+#    define _RTLD_SOURCE
+#    include <machine/mcontext.h>
+#    undef _RTLD_SOURCE
 #    include <sys/param.h>
-#    if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 1099001200)
+#    if __NetBSD_Version__ >= 1099001200
 #      include <machine/lwp_private.h>
-#    else
-#      define _RTLD_SOURCE
 #    endif
 #  endif
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/134742