[llvm-dev] CMake configuration errors

Justin Bogner via llvm-dev llvm-dev at lists.llvm.org
Wed Jul 20 14:12:30 PDT 2016

"Martin J. O'Riordan via llvm-dev" <llvm-dev at lists.llvm.org> writes:
> I have not quite caught up with the v3.9 branch point at SVN #275826, but I
> am at #275166.
> But I am seeing loads of CMake configuration errors along the lines of:
> CMake Error at cmake/modules/AddLLVM.cmake:1097 (add_dependencies):
>   The dependency target "c-arcmt-test" of target "check-clang-preprocessor"
>   does not exist.
> Call Stack (most recent call first):
>   cmake/modules/AddLLVM.cmake:1148 (add_lit_target)
>   tools/clang/test/CMakeLists.txt:96 (add_lit_testsuites)
> This was not happening with #272991 which was the previous version I had
> synchronised to.  This is a "cross compiler" configuration in case that
> helps.
> Any ideas why this would happen?

How are you invoking cmake? It sounds like the build is getting
different views of the cmake setting "CLANG_ENABLE_ARCMT" in different
parts of the build, which would be very strange.

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