From: Ian Abbott <abbotti@mev.co.uk>
Date: Wed, 22 Oct 2008 15:56:03 +0000 (+0000)
Subject: Update test for separate Linux source and build directories
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=6d2623ff9eb7e20e20455a8a2860a19f0b0ea4a8;p=comedi.git

Update test for separate Linux source and build directories
(it broke for 2.6.25 onwards).
---

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"