[all-commits] [llvm/llvm-project] ab2b17: [flang] Link to libatomic with openmp and rtlib=li...

[David Truby via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ab2b17512cda90305d5bea77b8e8fa119ab78f25
      https://github.com/llvm/llvm-project/commit/ab2b17512cda90305d5bea77b8e8fa119ab78f25
  Author: David Truby <david.truby at arm.com>
  Date:   2024-10-16 (Wed, 16 Oct 2024)

  Changed paths:
    M clang/lib/Driver/ToolChains/CommonArgs.cpp
    A flang/test/Driver/atomic.f90

  Log Message:
  -----------
  [flang] Link to libatomic with openmp and rtlib=libgcc (#112202)

Currently when using OpenMP atomics we depend on some symbols from
libatomic. These symbols are provided in a separate library for the
libgcc runtime, so we should link to that when rtlib=libgcc.

For the compiler-rt case, the presence and location of the symbols is
dependent on how compiler-rt itself was built so we cannot make that
decision for the user. As such no extra flags are added in that case.



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