You are now in the directory for the port "games/doom" (package name "doom-1.8").
This is the one-line description for this port:
Id Software's Doom for linux
Please read the file "pkg/DESCR" for a longer description.
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This port requires package(s) "linux_lib-2.6" to build.
This port requires package(s) "linux_lib-2.6" to run.