ports/122975: [PATCH] Fix for mail/thunderbird SIGFPE crash on FreeBSD/amd64

[Xin LI]

>Number:         122975
>Category:       ports
>Synopsis:       [PATCH] Fix for mail/thunderbird SIGFPE crash on FreeBSD/amd64
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Mon Apr 21 22:10:03 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Xin LI
>Release:        FreeBSD 7.0-STABLE i386
>Organization:
The FreeBSD Project
>Environment:
System: FreeBSD freefall.freebsd.org 7.0-STABLE FreeBSD 7.0-STABLE #34: Sat Apr 12 11:52:18 UTC 2008 simon at freefall.freebsd.org:/usr/src/sys/i386/compile/FREEFALL i386


>Description:
	thunderbird crashes on FreeBSD/amd64 8.0-CURRENT due to SIGFPE
issue, which is caused by caculation towards to 0 for a lot of pieces
of code.

	This patch extends the mask of underflow exception from covering
only i386 to both i386 and amd64.
>How-To-Repeat:
>Fix:


--- thunderbird.diff begins here ---
Index: Makefile
===================================================================
RCS file: /home/ncvs/ports/mail/thunderbird/Makefile,v
retrieving revision 1.90
diff -u -p -r1.90 Makefile
--- Makefile	19 Apr 2008 17:51:46 -0000	1.90
+++ Makefile	21 Apr 2008 21:58:18 -0000
@@ -8,7 +8,7 @@
 
 PORTNAME=	thunderbird
 DISTVERSION=	2.0.0.12
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	mail ipv6
 MASTER_SITES=	${MASTER_SITE_MOZILLA_EXTENDED}
 MASTER_SITE_SUBDIR=	thunderbird/releases/${DISTVERSION}/source
Index: files/patch-Double.cpp
===================================================================
RCS file: /home/ncvs/ports/mail/thunderbird/files/patch-Double.cpp,v
retrieving revision 1.2
diff -u -p -r1.2 patch-Double.cpp
--- files/patch-Double.cpp	16 Nov 2003 18:55:33 -0000	1.2
+++ files/patch-Double.cpp	21 Apr 2008 21:05:06 -0000
@@ -1,20 +1,20 @@
---- extensions/transformiix/source/base/Double.cpp.orig	Thu Jan 30 09:26:46 2003
-+++ extensions/transformiix/source/base/Double.cpp	Sun Nov 16 01:46:42 2003
-@@ -51,10 +51,10 @@
+--- extensions/transformiix/source/base/Double.cpp.orig	2006-06-22 12:13:00.000000000 -0700
++++ extensions/transformiix/source/base/Double.cpp	2008-04-21 14:04:37.540570448 -0700
+@@ -52,10 +52,10 @@
  //A trick to handle IEEE floating point exceptions on FreeBSD - E.D.
  #ifdef __FreeBSD__
  #include <ieeefp.h>
 -#ifdef __alpha__
 -fp_except_t allmask = FP_X_INV|FP_X_OFL|FP_X_UFL|FP_X_DZ|FP_X_IMP;
 -#else
-+#if defined(__i386__)
++#if defined(__i386__) || defined(__amd64__)
  fp_except_t allmask = FP_X_INV|FP_X_OFL|FP_X_UFL|FP_X_DZ|FP_X_IMP|FP_X_DNML;
 +#else
 +fp_except_t allmask = FP_X_INV|FP_X_OFL|FP_X_UFL|FP_X_DZ|FP_X_IMP;
  #endif
  fp_except_t oldmask = fpsetmask(~allmask);
  #endif
-@@ -75,22 +75,31 @@
+@@ -115,22 +115,31 @@
  #define TX_DOUBLE_HI32_EXPMASK   0x7ff00000
  #define TX_DOUBLE_HI32_MANTMASK  0x000fffff
  
--- thunderbird.diff ends here ---


>Release-Note:
>Audit-Trail:
>Unformatted: