[llvm] Remember LLVM_ENABLE_LIBCXX setting in installed configuration (PR #139712)

David Truby via llvm-commits llvm-commits at lists.llvm.org
Tue May 13 07:32:59 PDT 2025


DavidTruby wrote:

> ```
> CC=clang CXX=clang++ cmake -GNinja -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_LIBCXX=On -DLLVM_ENABLE_PROJECTS="flang;clang" -DLLVM_ENABLE_RUNTIMES=openmp -DLLVM_TARGETS_TO_BUILD=host -DLLVM_CCACHE_BUILD=On -DLLVM_ENABLE_LLD=On ../llvm
> ```
It makes no difference if I add `libcxx;libcxxabi` to LLVM_ENABLE_RUNTIMES, although I believe it should work either way (and just use my system libc++ if there's not one in the LLVM build).


https://github.com/llvm/llvm-project/pull/139712


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