From: Yang Tse <yangsita@gmail.com>
Date: Wed, 7 Feb 2007 17:34:30 +0000 (+0000)
Subject: AIX xlc has to have strict aliasing turned off. If not, the optimizer
X-Git-Tag: curl-7_16_2~348
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4ab91a93e8a895fd8c2f9b4523c3129110def8fc;p=thirdparty%2Fcurl.git

AIX xlc has to have strict aliasing turned off. If not, the optimizer
assumes that pointers can only point to an object of the same type.
---

diff --git a/configure.ac b/configure.ac
index 5e16564ea1..dcc53dc6da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1459,6 +1459,10 @@ if test "x$RECENTAIX" = "xyes"; then
          XLC="yes"
          AC_MSG_RESULT([yes])
          CFLAGS="$CFLAGS -qthreaded"
+         dnl AIX xlc has to have strict aliasing turned off. If not,
+         dnl the optimizer assumes that pointers can only point to
+         dnl an object of the same type.
+         CFLAGS="$CFLAGS -qnoansialias"
        )