From 6d2623ff9eb7e20e20455a8a2860a19f0b0ea4a8 Mon Sep 17 00:00:00 2001
From: Ian Abbott <abbotti@mev.co.uk>
Date: Wed, 22 Oct 2008 15:56:03 +0000
Subject: [PATCH] Update test for separate Linux source and build directories
 (it broke for 2.6.25 onwards).

---
 m4/as-linux.m4 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/m4/as-linux.m4 b/m4/as-linux.m4
index 62d62086..d0a7c142 100644
--- a/m4/as-linux.m4
+++ b/m4/as-linux.m4
@@ -180,6 +180,10 @@ AC_DEFUN([AS_LINUX_SRC_DIR],
 	if test "${LINUX_SRC_DIR}" = "default" ; then
 		AC_MSG_CHECKING(for separate Linux source and build directory)
 		dir=`sed -n -e 's/^KERNELSRC *:= *\(.*\)/\1/p' "$1/Makefile"`
+		if test -z "$dir"; then
+			# 2.6.25
+			dir=`sed -n -e 's/^MAKEARGS *:= *-C *\(.*\)/\1/p' "$1/Makefile"`
+		fi
 		if test -z "$dir"; then
 			AC_MSG_RESULT([no])
 			LINUX_SRC_DIR="$1"
-- 
2.26.2