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Date:      Sat, 16 Feb 2008 09:30:59 +0200
From:      "David Naylor" <blackdragon@highveldmail.co.za>
To:        freebsd-stable@freebsd.org, olli@lurza.secnetix.de
Subject:   Re: broken buildkernel (scsi_low and -Os) and duplicate manpages
Message-ID:  <b53f6f940802152330h23009696lb12ce6604b300453@mail.gmail.com>
In-Reply-To: <200802141002.m1EA22bk050940@lurza.secnetix.de>
References:  <b53f6f940802140110j14d30ca2l6ca8185a50e7c4b6@mail.gmail.com> <200802141002.m1EA22bk050940@lurza.secnetix.de>

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On 14/02/2008, Oliver Fromme <olli@lurza.secnetix.de> wrote:
> David Naylor wrote:
>   > It is a strange problem, normal installworld works fine, but somehow
>   > the duplicate manpages result in a failure when installing with
>   > DESTDIR=, here are some possible reasons:
>   >
>   > 1) I use tmpfs when using DESTDIR (could be tmpfs does something strange)
>   > 2) Base system (compiled and installed) is compiled using -O2???
>
>  What is the exact CFLAGS setting that you use?
>  Do you use -O2 (or -Os) without -fno-strict-aliasing?
Once i used CLFAGS=-O2 -fno-strict-aliasing -pipe and it failed,
other time I used CFLAGS=-Os -pipe and it also failed

>  In general, having a CFLAGS=... line in /etc/make.conf
>  is not a good idea.  In most cases it does more harm
>  than good.  That might be the case here, too.
I have compiled everything with the previously mentioned CFLAGS and
the system runs fine (only a problem with using RUM, however I think
that is driver related, not compile flags related)

The ports that are affected by strict-aliasing, are they not protected
(i.e. force -fno=strict-aliasing?)

>  I suggest you remove the CFLAGS line, rm -r /usr/obj
>  (and make sure /usr/src is fresh) and start over.
I'll try some experiments to see if I can isolate the problem

David



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