As the Makefile encourages users to set CXFLAGS for extra flags,
we should only conditionally set it.
That way it can be over-ridden in the environment as well as on
the command line.
Suggested-by: Bernd Schubert <bernd.schubert@itwm.fraunhofer.de>
Signed-off-by: NeilBrown <neilb@suse.de>
KLIBC_GCC = gcc -nostdinc -iwithprefix include -I$(KLIBC)/klibc/include -I$(KLIBC)/linux/include -I$(KLIBC)/klibc/arch/i386/include -I$(KLIBC)/klibc/include/bits32
CC = $(CROSS_COMPILE)gcc
-CXFLAGS = -ggdb
+CXFLAGS ?= -ggdb
CWFLAGS = -Wall -Werror -Wstrict-prototypes -Wextra -Wno-unused-parameter
ifdef WARN_UNUSED
CWFLAGS += -Wp,-D_FORTIFY_SOURCE=2 -O3