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From 07aea3a71fc6b07744691eec2dfea705a7b30280 Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <sam@mars.ravnborg.org>
Date: Sun, 23 Jul 2006 20:47:50 +0200
Subject: [PATCH] kbuild: use in-kernel unifdef

Let headers_install use in-kernel unifdef

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
---
 Makefile                     |    4 ++--
 scripts/Makefile             |    3 +++
 scripts/Makefile.headersinst |    2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

Index: linux-2.6.18-avr32/Makefile
===================================================================
--- linux-2.6.18-avr32.orig/Makefile	2006-10-26 10:20:21.000000000 +0200
+++ linux-2.6.18-avr32/Makefile	2006-10-30 15:59:06.000000000 +0100
@@ -893,8 +893,8 @@ INSTALL_HDR_PATH=$(objtree)/usr
 export INSTALL_HDR_PATH
 
 PHONY += headers_install
-headers_install: include/linux/version.h
-	$(Q)unifdef -Ux /dev/null
+headers_install: include/linux/version.h scripts_basic FORCE
+	$(Q)$(MAKE) $(build)=scripts scripts/unifdef
 	$(Q)rm -rf $(INSTALL_HDR_PATH)/include
 	$(Q)$(MAKE) -rR -f $(srctree)/scripts/Makefile.headersinst obj=include
 
Index: linux-2.6.18-avr32/scripts/Makefile
===================================================================
--- linux-2.6.18-avr32.orig/scripts/Makefile	2006-09-20 05:42:06.000000000 +0200
+++ linux-2.6.18-avr32/scripts/Makefile	2006-10-30 15:59:06.000000000 +0100
@@ -15,6 +15,9 @@ hostprogs-$(CONFIG_IKCONFIG)     += bin2
 
 always		:= $(hostprogs-y)
 
+# The following hostprogs-y programs are only build on demand
+hostprogs-y += unifdef
+
 subdir-$(CONFIG_MODVERSIONS) += genksyms
 subdir-$(CONFIG_MODULES)     += mod
 
Index: linux-2.6.18-avr32/scripts/Makefile.headersinst
===================================================================
--- linux-2.6.18-avr32.orig/scripts/Makefile.headersinst	2006-09-20 05:42:06.000000000 +0200
+++ linux-2.6.18-avr32/scripts/Makefile.headersinst	2006-10-30 15:59:06.000000000 +0100
@@ -7,7 +7,7 @@
 #
 # ==========================================================================
 
-UNIFDEF := unifdef -U__KERNEL__
+UNIFDEF := scripts/unifdef -U__KERNEL__
 
 # Eliminate the contents of (and inclusions of) compiler.h
 HDRSED  := sed 	-e "s/ inline / __inline__ /g" \