--- mozilla/content/xslt/public/txDouble.h.orig	2010-01-22 18:50:16.000000000 +0100
+++ mozilla/content/xslt/public/txDouble.h	2010-01-22 18:50:38.000000000 +0100
@@ -43,7 +43,7 @@
 //A trick to handle IEEE floating point exceptions on FreeBSD - E.D.
 #ifdef __FreeBSD__
 #include <ieeefp.h>
-#ifdef __alpha__
+#if !defined(__amd64__) && !defined(__i386__)
 static fp_except_t allmask = FP_X_INV|FP_X_OFL|FP_X_UFL|FP_X_DZ|FP_X_IMP;
 #else
 static fp_except_t allmask = FP_X_INV|FP_X_OFL|FP_X_UFL|FP_X_DZ|FP_X_IMP|FP_X_DNML;