You are now in the directory for the port "misc/cassowary" (package name "cassowary-0.60").
This is the one-line description for this port:
Constraint solving toolkit
Please read the "description file" for a longer description.
Go to the top of the ports tree for a summary on how to use the ports collection.
This port requires package(s) "bison-1.75 expat-1.95.5 gettext-0.11.5_1 gmake-3.80 gtl-0.3.3 guile-1.4.1_2 libiconv-1.8_2 libtool-1.3.4_4 m4-1.4_1" to build.
This port requires package(s) "gtl-0.3.3" to run.