[PATCH] D109977: LLVM Driver Multicall tool

Mon Jul 18 12:37:17 PDT 2022

mgorny added a comment.

In D109977#3660006 <https://reviews.llvm.org/D109977#3660006>, @abrachet wrote:

> In D109977#3652467 <https://reviews.llvm.org/D109977#3652467>, @mgorny wrote:
>
>> Though I can reproduce it with much shorter:
>>
>>   mkdir build
>>   cd build
>>   cmake ../clang -G Ninja
>>
>> (matching installed version of LLVM 15 must be on PATH)
>
> Are you sure it should be in PATH? I have added installed LLVM from ToT to a directory, put that in path yet CMake still finds /usr/lib/llvm-13/cmake/AddLLVM.cmake instead. I can't find any documentation on the standalone build, unfortunately.

I'm sorry, what does "ToT" mean here? Also, what's `/usr/lib/llvm-13/cmake`? Perhaps it's picking it up from some other variable. In my case, it's finding the installed LLVM 14 because that's the first PATH entry. Note that CMake looks into `../lib*/cmake` and `../share/cmake` relative to PATH entries. FWICS it also looks at `CMAKE_MODULE_PATH`.

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https://reviews.llvm.org/D109977