FLAGS="$FLAGS -Wall -Wsign-compare -Waggregate-return"
FLAGS="$FLAGS -Wcast-qual -Wbad-function-cast -Wpointer-arith"
# for Python.h
FLAGS="$FLAGS -Wall -Wsign-compare -Waggregate-return"
FLAGS="$FLAGS -Wcast-qual -Wbad-function-cast -Wpointer-arith"
# for Python.h