ports/186396: www/webkit-gtk2 fails to build on sparc64

[Craig Butler]

>Number:         186396
>Category:       ports
>Synopsis:       www/webkit-gtk2 fails to build on sparc64
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Feb 03 01:30:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Craig Butler
>Release:        9.2-RELEASE sparc64
>Organization:
>Environment:
FreeBSD blueeye.lerwick.hopto.org 9.2-RELEASE FreeBSD 9.2-RELEASE #0: Tue Oct  8 16:09:50 BST 2013     root at blueeye.lerwick.hopto.org:/usr/obj/usr/src/sys/GENERIC  sparc64

>Description:
when building port on a sparc64 machine it fails out with;

{standard input}: Assembler messages:
{standard input}:1286: Error: Illegal operands
gmake[1]: *** [Source/JavaScriptCore/runtime/libjavascriptcoregtk_1_0_la-NumberPrototype.lo] Error 1
gmake[1]: Leaving directory `/work/a/ports/www/webkit-gtk2/work/webkit-1.8.3'
gmake: *** [all] Error 2
===> Compilation failed unexpectedly.

full tinderbox log file available at - http://www.bsdtec.com/freebsd/webkit-gtk2-1.8.3_2.log
>How-To-Repeat:
build port on sparc64 machine
>Fix:
don't know, would like some help diagnosing the issue and creating a fix.

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