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Date: Sun, 17 Jun 2012 20:30:16 -0400
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To: Adrian Chadd <adrian@freebsd.org>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: EFI development tools
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On 6/17/12 8:26 PM, Adrian Chadd wrote:
> Hiya,
>
> don't suppose you could file a PR for this?
>

Typing one up just now, after figuring out the root cause.

The short version is this:  __uint64_t gets defined in 
<machine/_types.h> as unsigned long.  This breaks when you use -m32, in 
which case sizeof(unsigned long) == 4.