build: plugins: Allow plugin env var override 65/26265/2
authorAlexandru Avadanii <Alexandru.Avadanii@enea.com>
Mon, 19 Dec 2016 20:45:17 +0000 (21:45 +0100)
committerAlexandru Avadanii <Alexandru.Avadanii@enea.com>
Tue, 27 Dec 2016 17:16:01 +0000 (18:16 +0100)
commit8924cccfdc5b6df94dfb3bb4a97ec66a63d0a7fb
treeeb2e4ac0da1e27a4b425cf96e9c6c6f1f69fe567
parent90ded07384b99033dc6a1393636b3a65faa97b0d
build: plugins: Allow plugin env var override

Newton uplift [1] silently disabled env var overrides for the
PLUGINS var, breaking Armband plugin selection.

Proposed fix: only set this var when not already set.

[1] https://gerrit.opnfv.org/gerrit/#/c/23433/

JIRA: ARMBAND-118

Change-Id: I143fc79de26cc9a3b66a177ca905984989bf4a9d
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
build/f_isoroot/Makefile