[libcxx-commits] [PATCH] D112126: [libunwind] Try to add -unwindlib=none while configuring and building libunwind

[Martin Storsjö via Phabricator via libcxx-commits]

mstorsjo added a comment.

In D112126#3074610 <https://reviews.llvm.org/D112126#3074610>, @mstorsjo wrote:

> Given how messy this actually turns out, I'm wondering if we should consider using only `-nodefaultlibs` in libunwind after all, as @hvdijk suggested originally. What does @phosek think?

Actually, removing `-nostdlib++` and just relying on `-nodefaultlibs` doesn't help either, the same situation regarding `check_c_compiler_flag()` arises there too - one has to first try to add the flag to `CMAKE_REQUIRED_FLAGS` to see if it has the desired effect, otherwise all cmake tests fail.


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  https://reviews.llvm.org/D112126/new/

https://reviews.llvm.org/D112126