问题
I am trying to get the Hat debugger. When I try:
cabal install hat OR cabal install hat -v
At the end I get:
configure: error: in `/tmp/terminfo-0.4.0.0-17745/terminfo-0.4.0.0':
configure: error: curses headers could not be found, so this package cannot be built
See `config.log' for more details
Failed to install terminfo-0.4.0.0
cabal: Error: some packages failed to install:
haskeline-0.7.1.3 depends on terminfo-0.4.0.0 which failed to install.
hat-2.8.0.0 depends on terminfo-0.4.0.0 which failed to install.
terminfo-0.4.0.0 failed during the configure step. The exception was:
ExitFailure 1
So trouble shooting I try:
cabal install terminfo
And get:
configure: error: in `/tmp/terminfo-0.4.0.0-18341/terminfo-0.4.0.0':
configure: error: curses headers could not be found, so this package cannot be built
See `config.log' for more details
Failed to install terminfo-0.4.0.0
cabal: Error: some packages failed to install:
terminfo-0.4.0.0 failed during the configure step. The exception was:
ExitFailure 1
What do I do to install Hat?
回答1:
Assuming you're on a Linux of some sort, there should be a system package like "libncurses5-dev" (that's the name in Ubuntu) that you can install to get the curses headers.
回答2:
Once you have curses installed on your system,
cabal install terminfo --extra-include-dirs=/path/to/curses/include --extra-lib-dirs=/path/to/curses/lib
of course with the appropriate replacement of /path/to/curses.
Your platform's package manager might also be able to install terminfo directly, or you might use a separate package manager, i.e. the Nix package manager (which is particularly popular with Haskellers).
来源：https://stackoverflow.com/questions/25069434/how-to-install-hat