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Date: Wed, 27 Jun 2012 14:00:35 -0400 (EDT)
From: AN <andy@neu.net>
To: Sayetsky Anton <vsjcfm@gmail.com>
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Cc: gecko@freebsd.org
Subject: Re: ports/169479: www/firefox always adds -O0 to CFLAGS
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On Wed, 27 Jun 2012, Sayetsky Anton wrote:

> The following reply was made to PR ports/169479; it has been noted by GNATS.
>
> From: Sayetsky Anton <vsjcfm@gmail.com>
> To: bug-followup@freebsd.org
> Cc:
> Subject: Re: ports/169479: www/firefox always adds -O0 to CFLAGS
> Date: Wed, 27 Jun 2012 13:15:51 +0300
>
> > Currently, Firefox (and other mozilla ports) does not build with base gcc on higher optimization levels.
> Thank you for info.
> But this is absolute incorrect way. Ports must not force user to
> change his own preferences and build settings.
> I think that more correct way is add an option like following:
> OPTIMIZATION   Support for optimization levels higher than O0 (needs gcc 4.6+)
> And when user selects it, port must pull in required toolchain.
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I have gcc 4.6+ installed, I want to use it to compile FF.  How do I tell 
firefox to use gcc 4.6+ to build?