debugging - How to install `Hat` -


I'm trying to get the hat debugger. When I try:

cabal install hat or cabal install hat -v

Finally I'm getting: 

  Configure: Error: `/tmp/terminfo-0.4.0.0-17745/terminfo-0.4.0.0 ': Configure: Error: Curved header could not be found, so this package was not created Can be configured for 'config.log' terminfo-0.4.0.0 cabal for more information: Error: Failed to install some packages: Haskline -0.7.1.3 Terminal -0.4.0.0 depends on which install In Failed. Hat-2.8.0.0 Termino -0.4.0.0 depends on which failed to install. Terminfo-0.4.0.0 failed during the configuration phase. The exception was: exitFailure 1

So I'm having trouble shooting: 

  cabal install terminfo

and Receive: 

  Configure: Error: In `/tmp/terminfo-0.4.0.0 ': Configure: Error: Could not find the curved header, so this package can not be created More information See `config.log 'for Terminfo-0.4.0.0 Failed to install cabal: Error: Some packages failed to install: terminfo-0.4.0.0 failed during the configuration phase Come. The exception was: ExitFailure 1

What do I do to install hat ?


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