-e 's:-O[0-9] ::g' \
-e 's:-march=[-a-z0-9]* ::g' \
-e 's:-mcpu=[-a-z0-9]* ::g' \
-e 's:-m[a-z0-9]* ::g' \
-e 's:-m[a-z0-9-]* ::g' \
-e 's:\\:\\\\:g' \
)
sed -i \
-