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authorJosh Poimboeuf <jpoimboe@redhat.com>2017-07-27 15:56:56 -0500
committerIngo Molnar <mingo@kernel.org>2017-07-28 08:33:32 +0200
commit21ec3bf6aeb4033210747837421e63286ba32646 (patch)
tree105a41486ba1502e5d88af79ed43b575d87723c3 /tools/objtool/Makefile
parent5b8de48e82ba322483c925ce33f193e28e59a5fd (diff)
downloadlinux-21ec3bf6aeb4033210747837421e63286ba32646.tar.bz2
objtool: Disable GCC '-Wpacked' warnings
Objtool is failing to build with GCC 4.4.7 due to the following warnings: cc1: warnings being treated as errors In file included from orc.h:21, from orc_gen.c:21: orc_types.h:86: error: packed attribute is unnecessary for ‘sp_offset’ orc_types.h:87: error: packed attribute is unnecessary for ‘bp_offset’ orc_types.h:88: error: packed attribute is unnecessary for ‘sp_reg’ I suspect those warnings are a GCC bug. But -Wpacked isn't very useful anyway, so just disable it. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: 627fce14809b ("objtool: Add ORC unwind table generation") Link: http://lkml.kernel.org/r/76d85d7b5a87566465095c500bce222ff5d7b146.1501188854.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/objtool/Makefile')
-rw-r--r--tools/objtool/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 3a6425fefc43..6976c73e60c4 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -25,7 +25,8 @@ OBJTOOL_IN := $(OBJTOOL)-in.o
all: $(OBJTOOL)
INCLUDES := -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi
-CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -fomit-frame-pointer -O2 -g $(INCLUDES)
+WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
+CFLAGS += -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
LDFLAGS += -lelf $(LIBSUBCMD)
# Allow old libelf to be used: