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Message-Id: <1464752905-10347-4-git-send-email-vapier@gentoo.org> Date: Tue, 31 May 2016 23:48:23 -0400 From: Mike Frysinger <vapier@...too.org> To: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org> Cc: netdev@...r.kernel.org Subject: [PATCH iputils 4/6] fix handling of CFLAGS This defaults CFLAGS to -O3 without clobbering settings people have set up in the environment already. Signed-off-by: Mike Frysinger <vapier@...too.org> --- Makefile | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/Makefile b/Makefile index 7147f08..362f1c8 100644 --- a/Makefile +++ b/Makefile @@ -2,8 +2,6 @@ # Configuration # -# CC -CC=gcc # Path to parent kernel include files directory LIBC_INCLUDE=/usr/include # Libraries @@ -48,11 +46,10 @@ ENABLE_RDISC_SERVER=no # ------------------------------------- # What a pity, all new gccs are buggy and -Werror does not work. Sigh. -# CCOPT=-fno-strict-aliasing -Wstrict-prototypes -Wall -Werror -g -CCOPT=-fno-strict-aliasing -Wstrict-prototypes -Wall -g -CCOPTOPT=-O3 -GLIBCFIX=-D_GNU_SOURCE -DEFINES= +# CFLAGS+=-fno-strict-aliasing -Wstrict-prototypes -Wall -Werror -g +CFLAGS?=-O3 -g +CFLAGS+=-fno-strict-aliasing -Wstrict-prototypes -Wall +CPPFLAGS+=-D_GNU_SOURCE LDLIB= FUNC_LIB = $(if $(filter static,$(1)),$(LDFLAG_STATIC) $(2) $(LDFLAG_DYNAMIC),$(2)) @@ -113,7 +110,6 @@ IPV4_TARGETS=tracepath ping clockdiff rdisc arping tftpd rarpd IPV6_TARGETS=tracepath6 traceroute6 ping6 TARGETS=$(IPV4_TARGETS) $(IPV6_TARGETS) -CFLAGS=$(CCOPTOPT) $(CCOPT) $(GLIBCFIX) $(DEFINES) LDLIBS=$(LDLIB) $(ADDLIB) UNAME_N:=$(shell uname -n) @@ -132,6 +128,7 @@ all: $(TARGETS) $(COMPILE.c) $< $(DEF_$(patsubst %.o,%,$@)) -S -o $@ %.o: %.c $(COMPILE.c) $< $(DEF_$(patsubst %.o,%,$@)) -o $@ +LINK.o += $(CFLAGS) $(TARGETS): %: %.o $(LINK.o) $^ $(LIB_$@) $(LDLIBS) -o $@ -- 2.8.2
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