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List:       macports-dev
Subject:    Re: Compiler configuration
From:       O <illogical1 () gmail ! com>
Date:       2009-02-07 13:50:54
Message-ID: 797cc39c0902070550v63136ba8j2bc8883bc237b20e () mail ! gmail ! com
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On Fri, Feb 6, 2009 at 3:34 AM, Anders F Björklund <afb@macports.org> wrote:
> Jean-Michel Pouré wrote:
>
>> Most MacPorts packages do not carry a reference to a specific gcc
>> version. As a result, Apple gcc installed in Xcode is used.
>>
>> I am just a beginner, but wouldn't it be a more stable solution to rely
>> only on GNU gcc 2.4 and gcc-4.2 and 4.3 using MacPorts packages.
More stable? Maybe. Viable? Unfortunately no. There are instances
where apple's version of the compiler is _required_ to compile
programs.
This happens when some extensions/features which are present, and used
in apple's version of gcc were not (and likely never will be) included
into the official gnu version.

>
>
> In a word: no. :-)
>
> Even using the "apple-gcc*" ports would be more of a hassle than just
> using /usr/bin/gcc*. And using GNU/FSF version of GCC would be worse...
> Theoretically, you are right - owning the ports allows for more control.
> But in practice the usual approach is to use Xcode for GCC and make etc.
>
> Other systems do it differently, but MacPorts usually recommends several
> things to be present on the system before installing base/port(1) itself.
> Like: GCC etc, X11, Tcl, Foundation, mtree, rsync, curl, ssl and more...
> Some of these can be replaced with the versions from MacPorts, later on.
>
>
> I'd go with the vendor GCC unless you need a feature that is not present,
> like support for Java (GCJ) or Fortran or desires to play with GCC 4.3 ?
>
> And, yes, this the opposite approach as being used for Perl/Python/Ruby...
> There MacPorts version are preferred. It's a little inconsistent, that way.
>
> --anders
>
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