[Lldb-commits] [PATCH] D61877: [CMake] Add error to clarify that lldb requires libcxx
J. Ryan Stinnett via Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Tue May 14 04:00:55 PDT 2019
jryans marked 3 inline comments as done.
jryans added a comment.
Thanks all for the review! 😄
In D61877#1500981 <https://reviews.llvm.org/D61877#1500981>, @sgraenitz wrote:
> Thanks for adding this. Would it make sense to use `LLVM_ENABLE_PROJECTS_USED`? https://github.com/llvm/llvm-project/blob/a568222d/llvm/CMakeLists.txt#L128
> BTW `LLVM_ENABLE_PROJECTS` can be "all" but LLVM should already have handled it at this point.
`LLVM_ENABLE_PROJECTS_USED` seems to be about "what did we use last time", which felt confusing to test here, so I have avoided that so far.
In the updated version, I have changed to testing `if(NOT TARGET cxx)`, which should cover all cases, including:
- Old layout
Comment at: lldb/CMakeLists.txt:127
+ if(NOT libcxx IN_LIST LLVM_ENABLE_PROJECTS)
> JDevlieghere wrote:
> > Should we check that LLVM_ENABLE_PROJECTS is not empty, for people that are still using the old layout?
Ah yes, thanks for catching that! I have updated this to support the old layout as well.
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