64 bits?

Johannes Ruscheinski ruschein at gmail.com
Tue Jun 29 12:49:28 PDT 2010

Ok, I am going with your suggestion to reinstall everything.  How do I
make sure to blow away any traces of what I have?  Just "sudo rm -r

On Tue, Jun 29, 2010 at 12:10 PM, Scott Webster <sewebster at gmail.com> wrote:
> On Tue, Jun 29, 2010 at 9:54 AM, Johannes Ruscheinski
> <ruschein at gmail.com> wrote:
>> I would like to re-install everything in 64-bit.  Don't remember the
>> details of what I went through because it's over a week ago but I beat
>> on it several times before I became too frustrated and gave up.  I
>> also messed up my 32-bit install, doing that.  The final thing I tried
>> involved a compile from source but I got an error.  I seem to vaguely
>> remember it having something to do with TCL or Tk.
> When I saw that you wanted "pure 64-bit" I thought you were going for
> a 64-bit only install, with no 32-bit.  Now it seems that you already
> had a 32-bit install and now want to switch to 64-bit?  Depending on
> how you got your 32-bit install (previous OS etc.) this may not be
> supported.  See:
> https://trac.macports.org/wiki/Migration
> If you install from scratch, then the default should be 64-bit for
> everything is you have an Intel CPU that supports it.  You can check
> to make sure that your ${prefix}/etc/macports/macports.conf does NOT
> have an uncommented line that says
> build_arch i386, because that would cause everything to go in as 32-bit.
> It is possible to install (some) ports as both 32-bit and 64-bit by
> using the universal variant.  For instance:
> sudo port install portname +universal
> Your macports.conf probably has a line that specifies the
> architectures used for universal builds, which you would want to be
> "universal_archs         x86_64 i386" in this case.  However,
> switching from one architecture to universal after you already have
> ports installed is not always trivial, because if you switch a port to
> universal then all of its dependencies must also be universal and I
> don't think this can be easily accomplished automatically.
> In summary, I think the easiest way to get an all 64 bit install on a
> 64 bit Intel CPU is to start from scratch and it will just be the
> default.  No warranty!
> Scott


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