[PATCH 5/5] kbuild: add arch/$ARCH/include to search path

[Sam Ravnborg]

This patch conclude the support for

   arch/$ARCH/include

Note: The individual architectures will most likely require
      a few minor patches to support locating header files in
      arch/$ARCH/include

Testing shows that it worked out-of-the-box for sparc,
but x86 requireds a few trivial changes in the
arch specific Makefile (and one include path needs to be adjusted).

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
---
 Makefile |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/Makefile b/Makefile
index aac0ae0..2628295 100644
--- a/Makefile
+++ b/Makefile
@@ -329,7 +329,8 @@ AFLAGS_KERNEL	=
 # Needed to be compatible with the O= option
 LINUXINCLUDE    := -Iinclude \
                    $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) \
-		   -include include/linux/autoconf.h
+                   -I$(srctree)/arch/$(hdr-arch)/include               \
+                   -include include/linux/autoconf.h
 
 KBUILD_CPPFLAGS := -D__KERNEL__ $(LINUXINCLUDE)
 
-- 
1.5.4.1.143.ge7e51

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