Running src/ceph generates python error

[Willem Jan Withagen <wjw@digiware.nl>]

I'm trying to run
And it terminates with:
======
.......
.......
../qa/workunits/ceph-helpers.sh:555: activate_osd:  mkdir -p
testdir/test-erasure-code/0
../qa/workunits/ceph-helpers.sh:556: activate_osd:
CEPH_ARGS='--fsid=d9e9b487-d5e0-11e5-be15-1c6f6582ec12
--auth-supported=none -
-mon-host=127.0.0.1:7101  --osd-backfill-full-ratio=.99
--osd-failsafe-full-ratio=.99 --osd-journal-size=100 --osd-scrub-load-thre
shold=2000 --osd-data=testdir/test-erasure-code/0 --chdir=
--erasure-code-dir=.libs --plugin-dir=.libs --osd-class-dir=.libs --run
-dir=testdir/test-erasure-code --debug-osd=20
--log-file=testdir/test-erasure-code/$name.log
--pid-file=testdir/test-erasure-code/
$name.pid  '
../qa/workunits/ceph-helpers.sh:556: activate_osd:  ceph-disk
--statedir=testdir/test-erasure-code --sysconfdir=testdir/test-erasu
re-code --prepend-to-path= activate --mark-init=none
testdir/test-erasure-code/0
ceph-disk: Error: ceph osd create failed: Command './ceph' returned
non-zero exit status 22: --plugin-dir=.libs not valid:  --plug
in-dir=.libs doesn't represent an int
Invalid command:  unused arguments: [u'--plugin-dir=.libs']
osd create {<uuid>} {<int[0-]>} :  create new osd (with optional UUID
and ID)
Error EINVAL: invalid command

======

So it seems it does not like all the values that are put in the
ENV{CEPH_ARGS}.

Is this just my problem?
And if so, what am I doing wrong?

--WjW