From ce41258b1455593957fe7c8ff9c8d51b3c3cf60a Mon Sep 17 00:00:00 2001
From: Willem Toorop <willem@nlnetlabs.nl>
Date: Thu, 8 Dec 2016 16:26:48 +0100
Subject: [PATCH] Compile with extra warnings by default

---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.ac b/configure.ac
index 282b3990..ea2f1ab7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -98,6 +98,7 @@ CFLAGS="$CFLAGS"
 AC_PROG_CC_C99
 AX_CHECK_COMPILE_FLAG([-xc99],[CFLAGS="$CFLAGS -xc99"],[],[])
 AX_CHECK_COMPILE_FLAG([-Wall],[CFLAGS="$CFLAGS -Wall"],[],[])
+AX_CHECK_COMPILE_FLAG([-Wall],[CFLAGS="$CFLAGS -Wextra"],[],[])
 
 case "$host_os" in
   linux* ) CFLAGS="$CFLAGS -D_BSD_SOURCE -D_DEFAULT_SOURCE"