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From: Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net>
To: freebsd-questions@freebsd.org,
 yuri@rawbw.com
Date: Fri, 22 May 2009 10:32:58 +0200
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Cc: 
Subject: Re: Why so many ports have run-dependencies on non-system gcc
	versions?
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On Friday 22 May 2009 02:00:29 Yuri wrote:
> When I tried to delete gcc-4.3.4_20090517 I got this message:
> pkg_delete: package 'gcc-4.3.4_20090517' is required by these other
> packages and may not be deinstalled:
> blas-1.0_3
> cgnslib-2.5.3_1
> fftw3-3.2
> fftw3-float-3.2_1
> fr-med-2.3.5
> getdp-1.2.1_7
> gmsh-2.3.1
> lapack-3.2.1
> libofa-0.9.3_3
> libsamplerate-0.1.7_1
> octave-3.0.5_1
> suitesparse-3.3.0

Probably only fftw3 requires gcc43 and the rest comes from needing fftw3. As 
others said, it's not just building, it will need runtime libraries and in the 
case of fftw3, fortran support.
-- 
Mel