From 41e3105694644fa920c42ac2fe9f3a9a2f4395f5 Mon Sep 17 00:00:00 2001
From: Mark Lodato <lodatom@gmail.com>
Date: Sat, 24 Oct 2009 14:40:41 -0400
Subject: [PATCH] freeze: include FreeBSD fix from Python's main()

Copy the fix for floating point exceptions on FreeBSD from Python's
Module/python.c.
---
 bin/cython_freeze | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/bin/cython_freeze b/bin/cython_freeze
index 0709ee53..631c3924 100755
--- a/bin/cython_freeze
+++ b/bin/cython_freeze
@@ -41,6 +41,10 @@ print """\
 #include <stdio.h>
 #include <stdlib.h>
 
+#ifdef __FreeBSD__
+#include <floatingpoint.h>
+#endif
+
 #if PY_MAJOR_VERSION < 3
 # define MODINIT(name)  init ## name
 #else
@@ -77,6 +81,17 @@ if not options.pymain:
     int r = 0;
 """,
 print """\
+    /* 754 requires that FP exceptions run in "no stop" mode by default,
+     * and until C vendors implement C99's ways to control FP exceptions,
+     * Python requires non-stop mode.  Alas, some platforms enable FP
+     * exceptions by default.  Here we disable them.
+     */
+#ifdef __FreeBSD__
+    fp_except_t m;
+
+    m = fpgetmask();
+    fpsetmask(m & ~FP_X_OFL);
+#endif
     if (PyImport_ExtendInittab(inittab)) {
         fprintf(stderr, "No memory\\n");
         exit(1);
-- 
2.26.2