You are now in the directory for the port "x11-toolkits/gtkgl" (package name "gtkgl-0.8.9").
This is the one-line description for this port:
An OpenGL widget for GTK
Please read the file "pkg/DESCR" for a longer description.
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This port requires package(s) "Mesa-3.0 XFree86-3.3.5 gettext-0.10.35 glib-1.2.6 gtk-1.2.6 libtool-1.3.3" to build.
This port requires package(s) "Mesa-3.0 XFree86-3.3.5 gettext-0.10.35 glib-1.2.6 gtk-1.2.6" to run.