Fix bug 97700. Add additional check for kernel source directory earlier

git-svn-id: svn+ssh://svn.gentoo.org/var/svnroot/genkernel/trunk@248 67a159dc-881f-0410-a524-ba9dfbe2cb84

gen_determineargs.sh

@@ -73,6 +73,14 @@ determine_real_args() {
 	else
 		KERNEL_DIR=${DEFAULT_KERNEL_SOURCE}
 	fi
+	
+	if [ "${CMD_NO_KERNEL_SOURCES}" != "1" ]
+	then
+		if [ ! -d ${KERNEL_DIR} ]
+		then
+			gen_die "kernel source directory \"${KERNEL_DIR}\" was not found!"
+		fi
+	fi
 
 	if [ "${CMD_KERNCACHE}" != "" ]
 	then