Building findutils fails on macOS

[climbfuji]

It looks like a recent update to spack (spack/spack#28316) breaks building findutils on my macOS, see the comment here: spack/spack#28316 (comment)

[kgerheiser]

I get the same error.

But it attempted a longstanding problem I had with findutils. MPICH required findutils and it failed with GCC. I just removed the findutils dependency from MPICH and let it use the system one.

For whatever reason the find on macOS is not detected as external (BSD vs. GNU, I think).

[climbfuji]

I already have a PR for the authoritative spack repo, and there will be one for our fork later today (same commit, cherry-picked).

[kgerheiser]

Any objections to changing to version 4.8.0 in the main packages.yaml? Else I would add 4.8.0 to the generic macOS site config so that it can build with GCC.

[climbfuji]

Any objections to changing to version 4.8.0 in the main packages.yaml? Else I would add 4.8.0 to the generic macOS site config so that it can build with GCC.

I think there was a problem with 4.8.0 on one of the HPCs ... because 4.7.0 worked "everywhere" (I tested) I went for that one. I think it was on Cheyenne if I remember correctly. We can make 4.8.0 the default and change it for Cheyenne or whichever the problematic machine was.

[climbfuji]

This issue was resolved by adding a bugfix for 4.7.0 to spack (it's also in the official repo by now). We also made 4.8.0 the default.