libpng transition?

[Jack Howarth]

On Fri, Jan 21, 2011 at 06:34:56PM -0500, Daniel J. Luke wrote:
> On Jan 21, 2011, at 6:21 PM, Jack Howarth wrote:
> > 
> >>> Well if it does, the code must be buggy. When I did a 'sudo port  
> >>> selfupdate'
> >>> and 'sudo port outdated', pymol ended up still linked against  
> >>> libpng12.dylib.
> >>> I had to manually uninstall, clean, build and install pymol again  
> >>> against the
> >>> new libpng.
> >>>        Jack
> >> 
> >> Jack, you mean "sudo port upgrade outdated", right?
> > 
> > Yes. I normally just do 'sudo port selfupdate' and then copy the
> > 'port upgrade outdated' that it prompts.
> 
> So then one of thee things happened:
> 
> - There is some bug in port where pymol was rebuilt before libpng
> - pymol didn't have a dependency on libpng listed (which would be a bug in the pymol port)
> - pymol wasn't rev-bumped (or was rev-bumped after your selfupdate happened, and you unfortunately got the libpng bump but not the pymol bump)

http://trac.macports.org/changeset/75159

says it isn't either of the last two possibilities. Without even simple logging of port's
activity ala yum.log, it is impossible to rule out the first possibility one way or the other.

> 
> Since this is macports-dev, you can probably investigate further and determine what actually happened on your machine.
> 
> --
> Daniel J. Luke                                                                   
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>