gcc 4.6 port for OSX Lion

[ENDERLIN Christophe]

Le 4 août 2011 à 20:06, Jason Swails a écrit :

> Building macports should put /opt/local/bin in your PATH before anything else in your .bash_profile or .profile file (I don't recall which), so unless you've changed something that should already be there.

You're right, my PATH contains /opt/local/bin

> 
> Secondly, I'd suggest installing gcc_select to manage different compiler versions.  You certainly can play with the links yourself to get it to work, but why not let a package that already exists do it? ;)
> 
> I use it to toggle between many versions (4.2, 4.3, 4.4, 4.5, and 4.6, in addition to the apple versions).

I didn't know such a package existed, thank you. But maybe using 'port select' is simpler ?

> 
> Also, who uses a java compiler?  Why not just use a JRE to run java programs?  From what I've heard, gcj is lacking in full feature support anyway (so it doesn't seem like no java + fortran support really matters much, and I use both languages).

I don't need any Java compiler (I didn't know some existed, anyway  ;-)  ), so I'm fine with this port.

> 
> All the best,
> Jason

Thank you.

Christophe


> 
> On Thu, Aug 4, 2011 at 1:59 PM, vincent habchi <vince at macports.org> wrote:
> Christophe,
> 
> > Well, all I need is actually C-family languages so I think it'll be ok.
> > So I've chosen gcc46 port that install 4.6.01 and all seems to work fine.
> 
> You can find elsewhere (ticket #29184), or I can handle you, a portfile that will bump to latest 4.6.1.
> 
> > To use this new version, I had to change some symbolic links in /usr/bin.
> > Was it right to proceed that way ? By the way, what is the difference between
> > x86_64-apple-darwin11-gcc-4.6.1 and x86_64-apple-darwin11-gcc-mp-4.6?
> > What does 'mp' stand for?
> 
> 'MP' stands for MacPorts.
> 
> Usually, it is a *bad* idea to alter /usr/bin tools, because other parts of the systems may depend on them.
> If you want to use your gcc46, you must add /opt/local/bin in your PATH variable and call gcc-mp-4.6 instead. Or, in /opt/local/bin, link your gcc46 to gcc.
> 
> Vincent
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> 
> 
> -- 
> Jason M. Swails
> Quantum Theory Project,
> University of Florida
> Ph.D. Candidate
> 352-392-4032

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