JonChesterfield added a comment.

In D118493#3401448 <https://reviews.llvm.org/D118493#3401448>, @tstellar wrote:

> The rule that is broken is "standard RPATHs" Fedora installs libomp to 
> /usr/lib64.
>
> ...
>
>   I think what we'll do in Fedora is just add -fno-openmp-implicit-rpath to 
> the default CFLAGS so we can get the old behavior for official RPMs.

Sounds good to me. I especially like the rapid unblocking.

Slightly longer term, we might want to adjust clang to notice when the rpath it 
is about to set coincides with a system directory. The purpose of this patch is 
to have clang -fopenmp -o a.out && ./a.out work without setting environment 
variables, but where the openmp libs in question are on the system search path 
the rpath is not necessary.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118493/new/

https://reviews.llvm.org/D118493

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