From: Greg Hudson <ghudson@mit.edu>
Date: Wed, 9 Jan 2013 15:21:00 +0000 (-0500)
Subject: Error on void pointer arithmetic with gcc
X-Git-Tag: krb5-1.12-alpha1~368
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f81d9fe9b7e2040973500bc11f369a5696af548;p=thirdparty%2Fkrb5.git

Error on void pointer arithmetic with gcc

Add -Werror=pointer-arith to the gcc warning flags.  The equivalent
was added to the Solaris compiler flags in
2dc1ef4078acd7ca463a8eee2ef20de54e672f37 (r21886).
---

diff --git a/src/aclocal.m4 b/src/aclocal.m4
index 2c17e466c4..4fef4b72ef 100644
--- a/src/aclocal.m4
+++ b/src/aclocal.m4
@@ -522,7 +522,7 @@ if test "$GCC" = yes ; then
     TRY_WARN_CC_FLAG(-Wno-format-zero-length)
     # Other flags here may not be supported on some versions of
     # gcc that people want to use.
-    for flag in overflow strict-overflow missing-format-attribute missing-prototypes return-type missing-braces parentheses switch unused-function unused-label unused-variable unused-value unknown-pragmas sign-compare newline-eof error=uninitialized ; do
+    for flag in overflow strict-overflow missing-format-attribute missing-prototypes return-type missing-braces parentheses switch unused-function unused-label unused-variable unused-value unknown-pragmas sign-compare newline-eof error=uninitialized error=pointer-arith ; do
       TRY_WARN_CC_FLAG(-W$flag)
     done
     #  old-style-definition? generates many, many warnings