[PATCH] D64943: [Clang][OpenMP offload] Eliminate use of OpenMP linker script
Alexey Bataev via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Sep 11 12:23:55 PDT 2019
ABataev added a comment.
In D64943#1666678 <https://reviews.llvm.org/D64943#1666678>, @JonChesterfield wrote:
> In D64943#1666673 <https://reviews.llvm.org/D64943#1666673>, @ABataev wrote:
>
> > In D64943#1666658 <https://reviews.llvm.org/D64943#1666658>, @JonChesterfield wrote:
> >
> > > > OpenMP linker script is known to cause problems for gold and lld linkers on Linux and it will also cause problems for Windows enabling in future
> > >
> > > What are the known problems with the linker script? I'm wondering if they can be resolved without the overhead of introducing a new tool.
> >
> >
> > They just do not support linker script. And, thus, cannot be used for offloading. Only `ld` supports it.
>
>
> In what respect? I've used linker scripts with both gold and lld, and both instances of --help text claim to support them. In the case of lld, a very complicated script hit a few internal errors, but I believe they've all been fixed since.
Hmm, I tried it with gold some time ago and it just did not work for me. The linking failed with diagnostics that some of the commands in the script are unknown.
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https://reviews.llvm.org/D64943/new/
https://reviews.llvm.org/D64943
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