- Avoid code duplication to handle -O, -O1 and -Os cases
- Consider the effective optimisation level only (avoids spurious
warnings if multiple optimisation flags are present).
- Prefix warnings with PN instead of hardcoding "glibc" (avoids
confusing warnings since the test is also applied to glibc-initial,
nativesdk-glibc, nativesdk-glibc-initial, etc, and each could
potentually have different optimisation flags).
Signed-off-by: Andre McCurdy <armccurdy@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com>
