You are now in the directory for the port "math/vtk" (package name "vtk-3.1.2").
This is the one-line description for this port:
The Visualization Toolkit
Please read the "description file" for a longer description.
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This port requires package(s) "Mesa-3.2.1_1 XFree86-3.3.6_4 python-2.0 tcl-8.2.3 tk-8.2.3" to build.
This port requires package(s) "Mesa-3.2.1_1 XFree86-3.3.6_4 python-2.0 tcl-8.2.3 tk-8.2.3" to run.