[Openmp-commits] [PATCH] D109885: [MLIR][[amdgpu-arch]][OpenMP] Remove direct dependency on /opt/rocm

Jon Chesterfield via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Thu Dec 16 11:45:23 PST 2021

JonChesterfield added a comment.

In D109885#3198296 <https://reviews.llvm.org/D109885#3198296>, @arsenm wrote:

> This isn't a feature, it's the introduction of a bug.

It would regress people depending on the implicit pickup of /opt/rocm, leaving them with a straightforward workaround of setting the cmake variable.

The inverse, where we look in /opt/rocm unless that's overridden (perhaps by the empty string), achieves much the same effect without breaking anyone using trunk with a rocm install.

I'm very mistrusting of mixing a rocm toolchain with a trunk toolchain as they're both quite keen on runpath and LD_LIBRARY_PATH to find internal components. That makes it very easy to accidentally mix the two together into something that doesn't work so personal preference is to rip out the /opt/rocm search path for HSA entirely and encourage people to build it from source.

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