Debian build scripts pass CFLAGS in the environment. To honor these only set CFLAGS to "-O2 -g" if CFLAGS is unset. The warnings in the following line are added unconditionally. This makes sparse builds reproducible. Signed-off-by: Uwe Kleine-König <uwe@xxxxxxxxxxxxxxxxx> --- a/Makefile +++ b/Makefile @@ -6,7 +6,7 @@ CC = gcc-8 -CFLAGS = -O2 -g +CFLAGS ?= -O2 -g CFLAGS += -Wall -Wwrite-strings LD = $(CC) LDFLAGS += -Wl,--as-needed
