[compiler-rt] [compiler-rt] Fix building on OpenBSD/amd64 (PR #165086)

[Oliver Hunt via llvm-commits]

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@@ -234,13 +234,29 @@ macro(test_targets)
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc64le|ppc64le")
       test_target_arch(powerpc64le "" "-m64")
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
-      test_target_arch(powerpc "" "-m32")
-      test_target_arch(powerpc64 "" "-m64")
+      if(NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "OpenBSD")
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ojhunt wrote:

Why are these needed, my assumption is that test_target_arch should be handling this automatically? It appears to be unchanged in the above i386/x86_64 tests?

https://github.com/llvm/llvm-project/pull/165086