[libcxx-commits] [PATCH] D112112: [libunwind] Link with -unwindlib=none

[Martin Storsjö via Phabricator via libcxx-commits]

mstorsjo added a reviewer: phosek.
mstorsjo added a comment.

Actually, I remembered I had an unupstreamed patch regarding this locally... It turns out that testing `check_c_compiler_flag(-unwindlib=none)` doesn't work, as the tested flag is added the the compile command (but not to the link command), so the link part of the test command still fails. So to test this, one has to try blindly adding it to `CMAKE_REQUIRED_FLAGS`, then do a dummy `check_c_compiler_flag` call to see if it worked, and then revert it if it wasn't supported.

I can post my version of my patch that I found locally, which tries to fix that.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D112112/new/

https://reviews.llvm.org/D112112