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From: Nikos Chantziaras <realnc@arcor.de>
Subject: [gentoo-user] Re: Do we have to build gcc with fortran now?
Date: Wed, 22 Jun 2011 17:24:51 +0300
Organization: Lucas Barks
Message-ID: <itstuq$3am$1@dough.gmane.org>
References: <4E0167C4.9080100@gmail.com> <its1qd$jub$1@dough.gmane.org> <4E01CF99.1070109@gmail.com> <itsq3p$9fg$1@dough.gmane.org> <4E01EF3F.8040800@gmail.com>
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On 06/22/2011 04:33 PM, Dale wrote:
> Nikos Chantziaras wrote:
>> On 06/22/2011 02:18 PM, Dale wrote:
>>> Nikos Chantziaras wrote:
>>>> On 06/22/2011 06:55 AM, Dale wrote:
>>>>> I just did my updates and ran into this:
>>>>> [...]
>>>>> * Please install currently selected gcc version with USE=fortran.
>>>>> * If you intend to use a different compiler then gfortran, please
>>>>> * set FC variable accordingly and take care that the neccessary
>>>>> * fortran dialects are support.
>>>>> [...]
>>>>
>>>> Uninstall sci-libs/blas-reference I guess. And probably whatever
>>>> depends on it. Please do an "emerge -pv --depclean blas-reference" and
>>>> post the output so we can see what's pulling it as a dep on your
>>>> system.
>>>
>>> Here is the output:
>>>
>>> Calculating dependencies... done!
>>> sci-libs/blas-reference-20070226 pulled in by:
>>> virtual/blas-1.0
>>
>> OK, that didn't help. Try: emerge -pv --depclean virtual/blas
>
> Here you go:
>
> root@fireball / # emerge -pv --depclean virtual/blas
>
> Calculating dependencies... done!
> virtual/blas-1.0 pulled in by:
> dev-lang/R-2.10.1
I suppose you got the idea by now ;-) Do you need dev-lang/R? If not,
then "emerge -pv --depclean dev-lang/R". Do you need the package(s)
that this brings up? If not, continue --depclean those until you reach
something that has no other dependencies; meaning you reached the top
level. Do you need *that*? If not, unmerge it, then depclean
everything (just "emerge -a --depclean".)
This should get rid of all stuff you don't actually need/want.
>> [...]
>> That is no solution. I highly doubt you need a Fortran compiler :-/ By
>> adding more stuff to your make.conf as a work-around for problems like
>> this, you add more and more stuff to your Gentoo install; stuff you
>> actually have zero use for. By that logic, you could enable every
>> possible USE flag that exists so that you always have everything, just
>> in case. But then you should probably be using openSUSE or something :-P
>>
> Well, it appeared to only affect gcc here. We all know I have to have
> that.
GCC is a compiler collection. You usually only need gcc and g++.
Fortan, Objective-C, Objective-C++, ADA, Pascal, Java, whatever else is
usually something you don't install unless you know you need it.