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From: Robert Watson <rwatson@FreeBSD.org>
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To: David O'Brien <obrien@freebsd.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org, John Baldwin <jhb@freebsd.org>
Subject: Re: svn commit: r216473 - head/sbin/geom/class/eli
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On Thu, 16 Dec 2010, David O'Brien wrote:

>>> Log:
>>>   Bump WARNS to 6.
>>>
>>> Modified:
>>>   head/sbin/geom/class/eli/Makefile
>>
>> FYI, this broke the tinderbox on arm, ia64, mips, and sparc64.
>
> Errr.  Reverted.  I built it on the architectures I had access to...

For WARNS-related changes, I generally use "make universe" to test across 
architectures.  This builds all of our architectures world + all available 
kernels, and seems the most effective way to avoid the above situations. (I've 
fallen into exactly the same trap...)

The one thing to be cautious about is that make universe won't fail if an 
individual build fails, so you need to check the logs to make sure everything 
actually succeeded.

Robert