From: tip-bot for Laura Abbott <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, tglx@linutronix.de, peterz@infradead.org,
hpa@zytor.com, yamada.masahiro@socionext.com,
linux-kernel@vger.kernel.org, jpoimboe@redhat.com,
torvalds@linux-foundation.org, labbott@redhat.com
Subject: [tip:core/urgent] objtool: Support HOSTCFLAGS and HOSTLDFLAGS
Date: Tue, 17 Apr 2018 05:31:20 -0700 [thread overview]
Message-ID: <tip-596a9f6768af58d7034f6ebe559a0d489ae61467@git.kernel.org> (raw)
In-Reply-To: <05a360681176f1423cb2fde8faae3a0a0261afc5.1523560825.git.jpoimboe@redhat.com>
Commit-ID: 596a9f6768af58d7034f6ebe559a0d489ae61467
Gitweb: https://git.kernel.org/tip/596a9f6768af58d7034f6ebe559a0d489ae61467
Author: Laura Abbott <labbott@redhat.com>
AuthorDate: Thu, 12 Apr 2018 14:21:54 -0500
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 17 Apr 2018 07:59:42 +0200
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>
---
tools/objtool/Makefile | 4 ++--
1 file 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$(srctree)/tools/include \
-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
-I$(srctree)/tools/objtool/arch/$(ARCH)/include
WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
-CFLAGS += -Wall -Werror $(WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
-LDFLAGS += -lelf $(LIBSUBCMD)
+CFLAGS += -Werror $(WARNINGS) $(HOSTCFLAGS) -g $(INCLUDES)
+LDFLAGS += -lelf $(LIBSUBCMD) $(HOSTLDFLAGS)
# Allow old libelf to be used:
elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | grep elf_getshdr)
prev parent reply other threads:[~2018-04-17 12:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-12 19:21 [PATCH] " Josh Poimboeuf
2018-04-17 12:31 ` tip-bot for Laura Abbott [this message]
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