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From: Tsurutani Naoki <turutani@scphys.kyoto-u.ac.jp>
Date: Tue, 09 Mar 2010 14:02:40 +0900
To: "Jeremy Messenger" <mezz7@cox.net>
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Cc: gnome@freebsd.org, bug-followup@freebsd.org, mezz@freebsd.org
Subject: Re: ports/144139: failure in building x11/xscreensaver-gnome
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"Jeremy Messenger" <mezz7@cox.net> wrote:

> In your comment, you said that you were using -O1. But after looked at the  
> error log and looks like you are using -O. Anyway, looks like it's GCC  
> bug? You can try the patch over at  
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34215 .. If it fixes for you  
> then I can ask kan@ or/and someone to see if they can commit fix for GCC.  
> Don't know if patch is GPLv3 or not.

I do not know about this problem, but it could avoid the trouble.
After application of the following change to RELENG_8 src,
and rebuild gcc again, then x11/xscreensaver-gnome can be built,
even with "CFLAGS= -O -pipe".
http://gcc.gnu.org/viewcvs?view=revision&revision=130439
I confirmed using lang/gcc42 can also avoid this problem.
Would you please tell someone apply above change ?

Sincerely,