kbuild: fix a.out.h export to userspace with O= build.
We need to check for existence of the a.out.h header in the source tree,
not the object tree, if we want it to get the right answer with O=.
Signed-off-by: David Woodhouse <david.woodhouse@intel.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm
index 92a6d91..7cd25b8 100644
--- a/include/asm-generic/Kbuild.asm
+++ b/include/asm-generic/Kbuild.asm
@@ -1,6 +1,6 @@
header-y += kvm.h
-ifeq ($(wildcard include/asm-$(SRCARCH)/a.out.h),include/asm-$(SRCARCH)/a.out.h)
+ifneq ($(wildcard $(srctree)/include/asm-$(SRCARCH)/a.out.h),)
unifdef-y += a.out.h
endif
unifdef-y += auxvec.h
diff --git a/include/asm-powerpc/Kbuild b/include/asm-powerpc/Kbuild
index 7381916..bca352e 100644
--- a/include/asm-powerpc/Kbuild
+++ b/include/asm-powerpc/Kbuild
@@ -1,6 +1,5 @@
include include/asm-generic/Kbuild.asm
-header-y += a.out.h
header-y += auxvec.h
header-y += ioctls.h
header-y += mman.h
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index b6fbb25..71d70d1 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -166,7 +166,7 @@
unifdef-y += adb.h
unifdef-y += adfs_fs.h
unifdef-y += agpgart.h
-ifeq ($(wildcard include/asm-$(SRCARCH)/a.out.h),include/asm-$(SRCARCH)/a.out.h)
+ifneq ($(wildcard $(srctree)/include/asm-$(SRCARCH)/a.out.h),)
unifdef-y += a.out.h
endif
unifdef-y += apm_bios.h