You are now in the directory for the port "x11-toolkits/gtk10" (package name "gtk-1.0.6").
This is the one-line description for this port:
General Toolkit for X11 GUI
Please read the file "pkg/DESCR" for a longer description.
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This port requires package(s) "XFree86-3.3.6" to build.
This port requires package(s) "XFree86-3.3.6" to run.