GnuTests: Reduce gnproc deps on BSD

[oech3]

No description provided.

[oech3]

@lcheylus

[oech3]

Any system wide alternative for readlink without bootstrapping?

[codspeed-hq]

CodSpeed Performance Report

Merging #9644 will not alter performance

_{Comparing oech3:bsd-bootstrap (596daca) with main (64203e3)}

Summary

✅ 127 untouched
⏩ 6 skipped¹

Footnotes

1. 6 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[collinfunk]

Any system wide alternative for readlink without bootstrapping?

ls -l and sed, but it is a bit of a chore if you want it to work with names containing ->.

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/tail/overlay-headers (passes in this run but fails in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/tail/overlay-headers (passes in this run but fails in the 'main' branch)

[lcheylus]

LGTM :) OK to merge this PR.