hpc / charliecloud

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`ch-run`: add `--feature=overlayfs` and `tmpfs-xattrs` #1894

Closed reidpr closed 5 months ago

reidpr commented 5 months ago

Currently, testing if unprivileged overlayfs and tmpfs user extended attributes are available requires just trying -W, which can fail for other reasons. Add --feature selectors instead, though note this reports what configure found rather than actually trying it.