[Openmp-commits] [openmp] [openmp][AIX]Initial changes for porting to AIX (PR #76841)

[Xing Xue via Openmp-commits]

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@@ -128,8 +130,13 @@ set(LIBOMP_ASMFLAGS "" CACHE STRING
   "Appended user specified assembler flags.")
 set(LIBOMP_LDFLAGS "" CACHE STRING
   "Appended user specified linker flags.")
-set(LIBOMP_LIBFLAGS "" CACHE STRING
-  "Appended user specified linked libs flags. (e.g., -lm)")
+if("${LIBOMP_ARCH}" STREQUAL "ppc")  # PPC (32-bit) needs libatomic for __atomic_load_8, etc.
+set(LIBOMP_LIBFLAGS "-latomic" CACHE STRING
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xingxue-ibm wrote:

> Add AIX OS check here.

Good point, added AIX OS check, thanks!

https://github.com/llvm/llvm-project/pull/76841