linux26-src: fixed generating a valid kernel config for the case a completely custom linux.cfg is provided

base/linux26-src/linux26-src.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../linux26-src/linux26-src.conf
-# Copyright (C) 2007 The OpenSDE Project
+# Copyright (C) 2007 - 2010 The OpenSDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
 # More information can be found in the files COPYING and README.
@@ -39,7 +39,7 @@ main_lx_src() {
 
 	if [ "$SDECFG_PKG_LINUX_CONFIG_STYLE" = none ] ; then
 		# create a valid .config (new settings may be available etc.)
-		yes '' | eval $MAKE oldconfig > /dev/null
+		yes '' | eval $MAKE $makeopt oldconfig > /dev/null
 	fi
 
 	if grep -q "CONFIG_MODULES=y" .config ; then