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Message-ID: <tip-446e1c86d51d0823e003a43a2b85c430efce2733@git.kernel.org>
Date: Thu, 22 Mar 2012 14:26:24 -0700
From: "tip-bot for H. Peter Anvin" <hpa@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
torvalds@...ux-foundation.org, tglx@...utronix.de,
matt.fleming@...el.com
Subject: [tip:x86/urgent] x86, boot: Correct CFLAGS for hostprogs
Commit-ID: 446e1c86d51d0823e003a43a2b85c430efce2733
Gitweb: http://git.kernel.org/tip/446e1c86d51d0823e003a43a2b85c430efce2733
Author: H. Peter Anvin <hpa@...or.com>
AuthorDate: Thu, 22 Mar 2012 11:08:18 -0700
Committer: H. Peter Anvin <hpa@...or.com>
CommitDate: Thu, 22 Mar 2012 12:42:51 -0700
x86, boot: Correct CFLAGS for hostprogs
This is a partial revert of commit:
d40f833 "Restrict CFLAGS for hostprogs"
The endian-manipulation macros in tools/include need <linux/types.h>,
but the hostprogs in arch/x86/boot need several headers from the
kernel build tree, which means we have to add the kernel headers to
the include path. This picks up <linux/types.h> from the kernel tree,
which gives a warning.
Since this use of <linux/types.h> is intentional, add
-D__EXPORTED_HEADERS__ to the command line to silence the warning.
A better way to fix this would be to always install the exported
kernel headers into $(objtree)/usr/include as a standard part of the
kernel build, but that is a lot more involved.
Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
Acked-by: Matt Fleming <matt.fleming@...el.com>
Link: http://lkml.kernel.org/r/1330436245-24875-5-git-send-email-matt@console-pimps.org
Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
arch/x86/boot/Makefile | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 3e02148..5a747dd 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -37,9 +37,9 @@ setup-y += video-bios.o
targets += $(setup-y)
hostprogs-y := mkcpustr tools/build
-HOSTCFLAGS_mkcpustr.o := -I$(srctree)/arch/$(SRCARCH)/include
-HOST_EXTRACFLAGS += -I$(objtree)/include -I$(srctree)/tools/include \
- -include $(srctree)/include/linux/kconfig.h
+HOST_EXTRACFLAGS += -I$(srctree)/tools/include $(LINUXINCLUDE) \
+ -D__EXPORTED_HEADERS__
+
$(obj)/cpu.o: $(obj)/cpustr.h
quiet_cmd_cpustr = CPUSTR $@
--
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