libchamplain-0.4.4 fails to build, png

[Jason]

On Wed, Apr 28, 2010 at 09:05:34AM -0700, Jason thus spake:
>Libchamplain fails to build, as it seems to be looking for older libpng
>shared object.
>
>/usr/ports/graphics/libchamplain/work/libchamplain-0.4.4/champlain-gtk/gtk-champlain-embed.h:20:2:
>error: #error "Only <champlain/champlain.h> can be included directly."
>/libexec/ld-elf.so.1: Shared object "libpng.so.5" not found, required by
>"libchamplain-0.4.so.1"
>Command
>'['/usr/ports/graphics/libchamplain/work/libchamplain-0.4.4/champlain-gtk/tmp-introspectL4Nabr/GtkChamplain-0.4',
>'--introspect-dump=/usr/ports/graphics/libchamplain/work/libchamplain-0.4.4/champlain-gtk/tmp-introspectL4Nabr/types.txt,/usr/ports/graphics/libchamplain/work/libchamplain-0.4.4/champlain-gtk/tmp-introspectL4Nabr/dump.xml']'
>returned non-zero exit status 1
>gmake[3]: *** [GtkChamplain-0.4.gir] Error 1
>gmake[3]: Leaving directory
>`/usr/ports/graphics/libchamplain/work/libchamplain-0.4.4/champlain-gtk'
>gmake[2]: *** [all] Error 2
>gmake[2]: Leaving directory
>`/usr/ports/graphics/libchamplain/work/libchamplain-0.4.4/champlain-gtk'
>gmake[1]: *** [all-recursive] Error 1
>gmake[1]: Leaving directory
>`/usr/ports/graphics/libchamplain/work/libchamplain-0.4.4'
>gmake: *** [all] Error 2
>*** Error code 1
>
>I don't see any mention of libpng in Makefile of port.
>
>Thanks!
>Jason

One note. This happened when running the following:

portmaster -Dr png-