xemacs fails to build with new libpng

Fielding, Eric J (3242) eric.j.fielding at jpl.nasa.gov
Tue Sep 4 14:58:06 PDT 2012


It seems that "xemacs" is another casualty of the change to the libpng 1.5 API. I already filed a ticket.

Unfortunately, it seems that my existing old copy of xemacs no longer runs because it was dynamically linked to the old version of the libpng library. I was in the middle of running "port upgrade outdated" when I hit the problem with "grace" (for which I see there is already a ticket) and "xemacs". Now MacPorts won't let me deactivate libpng 1.5 because a number of ports are depending on it. Is there a way to roll back all of the ports to the versions that use libpng 1.4 while things are being sorted out?

The "xemacs" program is something I use all the time.

++Eric Fielding

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