run_qemu.sh: restore ability to build without ndctl #89
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Fixes commit 1a2a679 ("run_qemu.sh: fail immediately when $ndctl is invalid") My bad, I didn't realize `readlink -f $does_not_exist` prints "$does_not_exit", I assumed it prints nothing and I did not test enough combinations. So, that previous commit made it way too hard to disable the ndctl build: you must pass `--no-ndctl-build` _and_ have a valid `~/git/ndctl`?! This makes no sense. Fix the logic so either a blank `ndctl=`, or `--no-ndctl-build` is each enough to disable the ndctl build. Signed-off-by: Marc Herbert <marc.herbert@intel.com>
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I just discovered that readlink -f notfound/notfound # empty
mkdir found
readlink -f found/notfound
/home/me/found/notfound # notfound does not exist, printed anyway!! |
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#97 is enough |
# for free
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Fixes commit 1a2a679 ("run_qemu.sh: fail immediately when $ndctl is invalid")
My bad, I didn't realize
readlink -f $does_not_existprints "$does_not_exit", I assumed it prints nothing and I did not test enough combinations. So, that previous commit made it way too hard to disable the ndctl build: you must pass--no-ndctl-buildand have a valid~/git/ndctl?! This makes no sense.Fix the logic so either a blank
ndctl=, or--no-ndctl-buildis each enough to disable the ndctl build.