From 0f07546db90d313333181867a3c15cc41afc8e9b Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Mon, 10 Aug 2015 17:26:51 +0200
Subject: [PATCH] configure.ac, automake compatibility, we still use `serial
 test harness'

newer automake do have a different default setting,
  we need to be specific.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 91076bd35..767458317 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@ AC_REVISION([$Revision$])
 AC_CONFIG_HEADER([src/include/ngspice/config.h])
 
 # Initialise automake stuff
-AM_INIT_AUTOMAKE([-Wall -Werror nostdinc])
+AM_INIT_AUTOMAKE([-Wall -Werror nostdinc serial-tests])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 ext_CFLAGS="${CFLAGS+yes}"