Bad control characters in GHCi 6.6 (Mac OS X PPC)

Simon Marlow simonmarhaskell at
Mon Oct 16 08:37:09 EDT 2006

Björn Buckwalter wrote:

> I downloaded the GHC 6.6 tarballs, built and installed them on my mac
> (Tiger, PPC) using the documented procedure:
>  ./configure
>  make
>  make install
> The build and install was fairly smooth. However, ghci will not
> recognize "control characters", e.g. delete/backspace, arrow keys,
> ctrl-a, ctrl-d et c. It seems to recognize ctrl-c for cancelling a
> line but will print the ^C first. A typical session may look like:

It sound like either you don't have readline installed, or the GHC build didn't 
detect it.  Do you have readline?  (the real GNU readline, not Apple's version).


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