You are now in the directory for the port "devel/nana" (package name "nana-1.09").
This is the one-line description for this port:
Improved support for assertion checking and logging using GNU C and GDB.
Please read the file "pkg/DESCR" for a longer description.
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This port requires package(s) "gmake-3.75" to build.
This port requires package(s) "gdb-4.16" to run.