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c97dac57c8
Prevent warnings of the form:
tools/testing/nvdimm/config_check.c:4:6: error: no previous prototype
for ‘check’ [-Werror=missing-prototypes]
...by locally disabling some warnings.
It turns out that:
Commit 0fcb70851f ("Makefile.extrawarn: turn on missing-prototypes globally")
...in addition to expanding in-tree coverage, also impacts out-of-tree
module builds like those in tools/testing/nvdimm/.
Filter out the warning options on unit test code that does not effect
mainline builds.
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://lore.kernel.org/r/170543984331.460832.1780246477583036191.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>