CFLAGS="${CFLAGS} -Wall -Wmissing-prototypes"
# disable deprecated warnings
CFLAGS="${CFLAGS} -Wno-deprecated-declarations"
# extended flags
CFLAGS="${CFLAGS} -Wall -Wmissing-prototypes"
# disable deprecated warnings
CFLAGS="${CFLAGS} -Wno-deprecated-declarations"
# extended flags