diff options
| author | Laura Abbott <labbott@redhat.com> | 2018-04-12 15:21:54 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-04-17 01:59:42 -0400 |
| commit | 596a9f6768af58d7034f6ebe559a0d489ae61467 (patch) | |
| tree | 3b133019b66f182144abf2ca6a80c20e8b310f57 | |
| parent | a27fc14219f2e3c4a46ba9177b04d9b52c875532 (diff) | |
objtool: Support HOSTCFLAGS and HOSTLDFLAGS
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@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kbuild@vger.kernel.org
Link: http://lkml.kernel.org/r/05a360681176f1423cb2fde8faae3a0a0261afc5.1523560825.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | tools/objtool/Makefile | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index 8ae824dbfca3..f76d9914686a 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile | |||
| @@ -31,8 +31,8 @@ INCLUDES := -I$(srctree)/tools/include \ | |||
| 31 | -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ | 31 | -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \ |
| 32 | -I$(srctree)/tools/objtool/arch/$(ARCH)/include | 32 | -I$(srctree)/tools/objtool/arch/$(ARCH)/include |
| 33 | WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed | 33 | WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed |
| 34 | CFLAGS += -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES) | 34 | CFLAGS += -Werror $(WARNINGS) $(HOSTCFLAGS) -g $(INCLUDES) |
| 35 | LDFLAGS += -lelf $(LIBSUBCMD) | 35 | LDFLAGS += -lelf $(LIBSUBCMD) $(HOSTLDFLAGS) |
| 36 | 36 | ||
| 37 | # Allow old libelf to be used: | 37 | # Allow old libelf to be used: |
| 38 | elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) | 38 | elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr) |