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Date: Sun, 03 Jul 2005 11:36:18 -0400
From: Jon Door <jondoor@udor.net>
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Subject: Re: HEADS UP: Ports are not ready for CFLAGS=-O2 in 6.0
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Kris Kennaway wrote:

>On Sat, Jul 02, 2005 at 09:47:44PM -0700, Adam Weinberger wrote:
>  
>
>>Kris Kennaway wrote:
>>    
>>
>>>About a week ago des changed the default value of CFLAGS to "-O2
>>>-pipe" on FreeBSD 6.0-CURRENT.  While this is believed to be safe for
>>>compiling world + kernel on -CURRENT thesedays (because the aliasing
>>>bugs that are exposed with -O2 have been fixed), it's definitely *not*
>>>safe for compiling many ports (there are at least 350 ports that emit
>>>warnings about aliasing, and would probably have runtime errors when
>>>compiled with -O2; moreover, a number of ports fail to even build with
>>>-O2).
>>>
>>>Therefore, if you compile ports on FreeBSD 6.0, you should set
>>>CFLAGS=-O -pipe in your /etc/make.conf for now, until we can resolve
>>>this problem more satisfactorily.
>>>
>>>Kris
>>>      
>>>
>>This is just an FYI for whomever cares: all GNOME metaports build 
>>cleanly in a -CURRENT jail with -O2.
>>    
>>
>
>This was a mail from last year, but thanks anyway :)
>
>Kris
>
>P.S. The problem is only if you build without -fno-strict-alias, which
>is the default now.
>  
>
Does it make sense to introduce a CFLAGS_PORTS option? Basically an 
override used when compiling ports as opposed to world?