[GIT PULL 1/4] x86,vdso: fix the x86 vdso2c tool includes

[Andy Lutomirski]

From: Tommi Kyntola <tommi.kyntola@xxxxxxxxx>

The build-time tool arch/x86/vdso/vdso2c.c includes <linux/elf.h>,
but cannot find it, unless the build host happens to provide it.
It should be reading the uapi linux/elf.h

This build regression came along with the vdso2c between
3.15 and 3.16.

Link: http://lkml.kernel.org/r/1525002.3cJ7BySVpA@musta
Signed-off-by: Tommi Kyntola <tommi.kyntola@xxxxxxxxx>
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
---
 arch/x86/vdso/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 09297c8e1fcd..611bffbd0119 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -50,7 +50,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 $(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso)
 
-HOST_EXTRACFLAGS += -I$(srctree)/tools/include
+HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi
 hostprogs-y			+= vdso2c
 
 quiet_cmd_vdso2c = VDSO2C  $@
-- 
2.3.0

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