Re: [PATCH 2/3] objtool: Support HOSTCFLAGS and HOSTLDFLAGS

From: Laura Abbott
Date: Thu Apr 05 2018 - 18:01:40 EST

On 04/04/2018 09:42 PM, Masahiro Yamada wrote:
2018-03-29 9:48 GMT+09:00 Laura Abbott <labbott@xxxxxxxxxx>:
It may be useful to compile host programs with different flags (e.g.
hardening). Ensure that objtool picks up the appropriate flags.

Signed-off-by: Laura Abbott <labbott@xxxxxxxxxx>

I saw some similar patches before.

I thought they are fixing this way

but, I am not tacking the progress.

That looks like a different issue since it's still not going to
pick up the HOST{C,LD}FLAGS.

tools/objtool/Makefile | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index e6acc281dd37..0ff3bcac1ca9 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -31,8 +31,9 @@ INCLUDES := -I$(srctree)/tools/include \
-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
-CFLAGS += -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
+CFLAGS += -Wall -Werror $(WARNINGS) $(HOSTCFLAGS) -fomit-frame-pointer -O2 -g \

# Allow old libelf to be used:
elfshdr := $(shell echo '\#include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)

To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at