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Date: Tue, 03 Apr 2012 20:31:46 +0200
From: Matthias Andree <matthias.andree@gmx.de>
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To: Andrey Simonenko <simon@comsys.ntu-kpi.kiev.ua>
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Cc: freebsd-current@freebsd.org
Subject: Re: -ffast-math in Ports and wrong generated code
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Am 03.04.2012 13:21, schrieb Andrey Simonenko:
> Hello,
> 
> I use one port from the Ports Collection, that works with FP.  Having
> reinstalled it (its version was not changed) I noticed that it started
> to work incorrectly.  After debugging and disassembling its code I found
> out that the -ffast-math option used for building was the result of
> wrongly generated code (I did not specify this option in /etc/make.conf).
> 
> At least finite() function call was eliminated from the result Assembler
> code when -ffast-math option is used, tested on 9.0-STABLE and 10.0-CURRENT.
> 
> Example test source code and generated code under 9.0-STABLE on amd64
> by gcc from the base system:

- Which port is affected?

- Any idea whence the -ffast-math option came on your system?
/etc/src.conf? Port's "make config"?