[Openmp-commits] [PATCH] D125698: [Libomptarget] Don't build the device runtime without a new Clang

Joseph Huber via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Mon May 16 09:26:12 PDT 2022


jhuber6 added a comment.

In D125698#3516229 <https://reviews.llvm.org/D125698#3516229>, @ye-luo wrote:

> In D125698#3516202 <https://reviews.llvm.org/D125698#3516202>, @tianshilei1992 wrote:
>
>> LGTM.
>>
>> We are using CMake's command to build the device runtime now. There is no way to tell CMake to use another compiler rather than CMake's compilers to build a specific target. As a result, we either disable it, or we are doomed.
>> Well, accurately speaking, there seems to be a way to do that, see https://stackoverflow.com/questions/27168094/cmake-how-to-change-compiler-for-individual-target, but I don't think manipulating CMake's internal variables is a good practice.
>
> I didn't say to workaround CMake. I was saying it was working that clang builds DeviceRTL and gcc building all the rest and now it is broken. You can try it out yourself with the commit before D125315 <https://reviews.llvm.org/D125315>

I'll just guard the new code then. Even though it shouldn't break if you're using the standard builds it will probably make it less noisy for people currently using the other methods.


Repository:
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https://reviews.llvm.org/D125698



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