From fa0f8d2c29b9ec44f0fa85cacc375979b175348b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Tue, 29 Nov 2011 15:46:20 +0100
Subject: Disable floating point exceptions on Mac OS X by default

Many test cases provoke printouts similar to:

  ERTS_FP_CHECK_INIT at 0x131fd218: detected unhandled FPE at 0x1

Until the problem has been identified and fixed, disable floating
point exceptions by default on Mac OS X.
---
 erts/configure.in | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/erts/configure.in b/erts/configure.in
index e3eb6034e6..03125acced 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -2458,6 +2458,17 @@ case $ARCH-$OPSYS in
 		darwin_mcontext_leopard=no
 		;;
 esac
+
+if test X${enable_fp_exceptions} = Xauto ; then
+   case $host_os in
+	darwin*)
+	      enable_fp_exceptions=no
+	      AC_MSG_NOTICE([Floating point exceptions disabled by default on MacOS X]) ;;
+	      *)
+	      ;;
+    esac
+fi
+
 if test X${enable_fp_exceptions} = Xauto ; then
    if test X${enable_hipe} = Xyes; then
       enable_fp_exceptions=yes
-- 
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