[PATCH] D56479: [compiler-rt] Add option to disable libc++ build

[Shoaib Meenai via Phabricator via llvm-commits]

smeenai added a comment.

The other option would be to just have `COMPILER_RT_USE_LIBCXX` always default to `ON` and require users to set it to `OFF` explicitly if they disable the build. That would require setting an additional cache variable during configuration instead of it being inferred, but it removes the possibility of breaking any existing setups. What do you think?


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https://reviews.llvm.org/D56479