Do not link GNOME apps with libpng3

["Steve M. Robbins" <steven.robbins@videotron.ca>]

reassign 128377 gnome-help
thanks

Hi Folks,

GNOME's imlib1 library is linked with libpng2, and nobody
knows how to gracefully handle the change from libpng2-->libpng3

  http://lists.debian.org/debian-devel/2002/debian-devel-200201/msg00015.html
  http://lists.debian.org/debian-devel/2002/debian-devel-200201/msg00243.html

So for the moment, I'm NOT planning to change imlib's linkage.  Therefore,
all GNOME apps that build with both imlib1 and libpng, should build-depend
on libpng2-dev NOT libpng-dev.

In particular, gnome-core should revert this change:

gnome-core (1.4.0.4-15) unstable; urgency=low

  * debian/control Replace libpng2-dev by libpng-dev in Build-Depends.


Now, the question is: should GNOME move to libpng3, and how?  The QT/KDE
folks have sidestepped the problem by declaring that libqt2 is
remaining linked against libpng2, while libqt3 links with libpng3.  I
don't see why we shouldn't adopt the same approach: leave imlib1
linked with libpng2 and let imlib's successor libraries link against
libpng3.  Comments?


Thanks,
-Steve

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