Upgrade macports after a Lion upgrade

[Ryan Schmidt]

On Jul 24, 2011, at 10:27, Panayotis Katsaloulis wrote:

> Just to inform the fellow users of my experience with MacPorts and Lion upgrade.
> 
> After an up[grade to Lion and then an update to MacPorts I had serious problems with many ports. Some libraries had problems, sometimes the compiler was not producing valid executables etc.
> 
> The way to solve it was to get the list of my currently installed ports, remove *everything*, and reinstall form scratch.
> Up to now I have not problem at all.
> 
> It sounds painful, but it seems there is no easy way to perform both upgrades without loss.

This procedure is described on the migration page.

https://trac.macports.org/wiki/Migration