ports/177278: graphics/gegl does not compile

[Beeblebrox]

>Number:         177278
>Category:       ports
>Synopsis:       graphics/gegl does not compile
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 22 20:00:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Beeblebrox
>Release:        10-Current
>Organization:
>Environment:
FreeBSD 10.0-CURRENT #1 r248618: Fri Mar 22, amd64

>Description:
compile breaks with below message. All options in make.conf were disabled for the debug (no ccache, make_jobs, cflags, etc)

GEGL_SWAP=RAM GEGL_PATH=../operations \
./tools/introspect > class-hierarchy.html
mkdir -p images
./tools/gobj2dot.rb .. | /usr/local/bin/dot -Tpng > images/inheritance.png
Error: /usr/local/lib/graphviz/config6 is zero sized, or other read error.
Error: /usr/local/lib/graphviz/config6 is zero sized, or other read error.
Format: "png" not recognized. Use one of:
gmake[3]: *** [images/inheritance.png] Error 1
gmake[3]: Leaving directory `/usr/obj/asp/ports/graphics/gegl/work/gegl-0.2.0/docs'
gmake[2]: *** [all-recursive] Error 1
gmake[2]: Leaving directory `/usr/obj/asp/ports/graphics/gegl/work/gegl-0.2.0/docs'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/obj/asp/ports/graphics/gegl/work/gegl-0.2.0'
gmake: *** [all] Error 2
*** [do-build] Error code 1
>How-To-Repeat:
make graphics/gegl
>Fix:
NA

>Release-Note:
>Audit-Trail:
>Unformatted: