> Running configure in the current fptools snapshot requires Happy 1.9:
> 
>   checking for happy... /home/reid/local/bin/happy
>   checking for version of happy... configure: error: Happy 
> version 1.9 or later is required to compile GHC.
> 
> but, silly me, I only have Happy 1.8:
> 
>   $ happy --version
>   Happy Version 1.8 Copyright (c) 1993-1996 Andy Gill, Simon 
> Marlow (c) 1997-2000 Simon Marlow
> 
> Is there an official way to get round this or shall I just hack the
> configure script to omit the check and then make sure I bootstrap
> happy before I try to bootstrap ghc?
> 
> This seems to happen every time happy gets updated.  Could you add a
> description of the solution to the "how to use CVS" instructions
> please?

Delete your installed version of Happy.  As long as you have the Happy
sources in fptools/happy the configure script won't complain, so you can
build & make install in fptools/happy before going on to build GHC.

Cheers,
        Simon

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