[Lldb-commits] [PATCH] D56531: [CMake] Replace use of llvm-config with LLVM and Clang CMake packages
Stefan Gränitz via Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Mon Jan 14 02:10:47 PST 2019
sgraenitz added a comment.
In D56531#inline-500764 <https://reviews.llvm.org/D56531#inline-500764>, @labath wrote:
> it should be possible to build lldb against an already-installed llvm
In D56531#inline-501059 <https://reviews.llvm.org/D56531#inline-501059>, @xiaobai wrote:
> When I wrote this I thought that it is possible to build against an installed LLVM, but I don't think that's currently possible. For example [...]
IIUC all LLVM subprojects are made for *testing* against the build-tree. LLDB tests depend on LLVMTestingSupport and others that are not part of the installed package (see `LLVM_EXPORTS_BUILDTREE_ONLY`).
While the ability to *build* against an installed LLVM sounds like a good goal in principle, it's questionable what benefit it has without the ability to *test* the result. Thus, I wouldn't consider it a high prio for now.
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