Resolving dependencies...
Configuring ncurses-0.2.7...
cabal: The program c2hs version >=0.15 is required but it could not be found.
Failed to install ncurses-0.2.7
cabal: Error: some packages failed to install:
ncurses-0.2.7 failed during the configure step. The exception was:
ExitFailure 1
nyan-0.2 depends on ncurses-0.2.7 which failed to install.