CFLAGS="-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16" is the default for armhf. In fact, it's what *defines* armhf as armhf. Unless something is explicitly setting those things differently, they don't need to be on the commandline at all.
CFLAGS= "-march= armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16" is the default for armhf. In fact, it's what *defines* armhf as armhf. Unless something is explicitly setting those things differently, they don't need to be on the commandline at all.