From 2611e699832588b30889fd072f88f4ac15b6cc74 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sat, 26 May 2018 13:37:46 +0100
Subject: [PATCH] Enable -Wpointer-arith in the autoconf build.

That should stop me making that kind of mistake again.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index f6d1ba5e..2c6484ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -188,7 +188,7 @@ AS_IF([test AS_VAR_GET(x_cv_linux_so_peercred) = yes],
 
 if test "x$GCC" = "xyes"; then
   :
-  AC_SUBST(WARNINGOPTS, ['-Wall -Werror'])
+  AC_SUBST(WARNINGOPTS, ['-Wall -Werror -Wpointer-arith'])
 else
   :
   AC_SUBST(WARNINGOPTS, [])