[PATCH] D87841: [openmp][libomptarget] Include header from LLVM source tree

[Shilei Tian via Phabricator via llvm-commits]

tianshilei1992 added a comment.

In D87841#2281974 <https://reviews.llvm.org/D87841#2281974>, @jdoerfert wrote:

> In D87841#2281494 <https://reviews.llvm.org/D87841#2281494>, @grokos wrote:
>
>> 4. At CMake time, check whether llvm-core is there; if yes use `OMPGridValues.h` from llvm-core, if no then download the header from some suitable location automatically. This eliminates the need for (2) and makes both proponents of (1) and proponents of (3) happy.
>
> Most of our bigger machine have no internet. Download after the fact might also confuse people. I think telling the user to download and point to instead, as we do with other dependences, is in the grant scheme of things less surprising.

I think it might be better to provide both options: if users don't specify anything, using online download by default. If users specify the path to the headers, it then does not download.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D87841/new/

https://reviews.llvm.org/D87841