build: abort autogen on subcommand failure

Needed to stop an automated build process when automake requirements
are not fulfilled.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/autogen.sh b/autogen.sh
index 72240f7..5e1344a 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/sh -e
 
 autoreconf -fi
 rm -Rf autom4te.cache