[Openmp-commits] [openmp] [OpenMP] Link against libm on OpenBSD (PR #70614)

[Shilei Tian via Openmp-commits]

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@@ -140,7 +140,7 @@ function(libomp_get_libflags libflags)
   if(LIBOMP_HAVE_SHM_OPEN_WITH_LRT)
     libomp_append(libflags_local -lrt)
   endif()
-  if(${CMAKE_SYSTEM_NAME} MATCHES "DragonFly|FreeBSD")
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shiltian wrote:

I think `check_library_exists` is not for the purpose of this case. For example, `libm` exists on a lot of systems, but we only want to link against it with proper linker flag when OS is BSD.

https://github.com/llvm/llvm-project/pull/70614