Re: port-sparc64/46652 (sparc ofwboot.net fails to loadkernelviatftp)

["S.P.Zeidler" <spz%serpens.de@localhost>]

The following reply was made to PR port-sparc64/46652; it has been noted by 
GNATS.

From: "S.P.Zeidler" <spz%serpens.de@localhost>
To: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, 
port-sparc64-maintainer%NetBSD.org@localhost
Subject: Re: port-sparc64/46652 (sparc ofwboot.net fails to loadkernelviatftp)
Date: Sun, 15 Jul 2012 15:11:48 +0200

 Thus wrote Izumi Tsutsui (tsutsui%ceres.dti.ne.jp@localhost):
 
 > I notice old gcc 4.1.3 complained about (int **) with WARNS=2:
 > ---
 > cc1: warnings being treated as errors
 > /usr/src/sys/arch/sparc/stand/ofwboot/ofdev.c: In function 'devopen':
 > /usr/src/sys/arch/sparc/stand/ofwboot/ofdev.c:539: warning: dereferencing 
 > type-punned pointer will break strict-aliasing rules
 > ---
 > (probably that was the reason I changed it)
 > 
 > gcc 4.5.3 doesn't warn it so is it okay to assume it was a false alarm?
 
 gcc 4.5 seems to be smarter about it.
 putting an int * into a location an int ** points to shouldn't cause grief :)
 
 I would assume that the danger of someone building Sparc bootblocks on a
 Vax is pretty low, too.
 
 regards,
        spz
 -- 
 spz%serpens.de@localhost (S.P.Zeidler)