Build: allow -Werror to be disabled even on CI branches #1471
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Slight reworking of -Werror logic to let the default behavior be
changed by setting a cmake variable. In particular, this allows us to
make a CI build disable -Werror when we need to.
Previously, having the "OSL_CI" env variable set trumped all else and
forced -Werror. Now it just contributes to the default behavior, but
setting
-DSTOP_ON_WARNING=OFF
and cmake config time can stilldisable it.
Signed-off-by: Larry Gritz [email protected]