[Hat] Problem building hat with GHC 5.04

[Malcolm Wallace]

Kirsten Chevalier <krc@uclink.berkeley.edu> writes:

> I'm getting the following error when trying to compile hat using GHC
> 5.04 on a machine running RedHat Linux 7.3:

Hat cannot currently be built with ghc-5.04 at all, due to a bug in
ghc which will be fixed in 5.04.1.

However, that is not the cause of the particular error you report.

> hmake -ghc  +CTS -package lang -CTS    -d
>     /tmp/hat-2.00/targets/ix86-Linux/obj/compiler98 HatTrans
> 
> Fail: Can't find module IO in
> 	.
>   Or in standard libraries at
> 	/usr/lib/ghc-5.02.3/imports/std
> 	/usr/lib/ghc-5.02.3/imports/lang
> 	...
> 	/usr/lib/c2hs-0.10.11/ghc5/import
> 	/usr/lib/gtk+hs-0.14.8/ghc5/import/glib
> 	/usr/lib/gtk+hs-0.14.8/ghc5/import/gdk
> 	/usr/lib/gtk+hs-0.14.8/ghc5/import/gtk
> 	/usr/lib/gtk2hs/hi
> 	/usr/lib/hi
>   Asked for by: HatTrans.hs
> [Check settings of -I or -P flags?]

It looks like you originally installed your Haskell software in the
following order:   ghc-5.02.3,  hmake-3.05,  ghc-5.04.
After installing ghc-5.04, you forgot to update the hmake configuration
for ghc.  To fix it, try

    hmake-config add ghc

[ That updates your personal hmake configuration - to update the system-wide
  config, I suggest
      hmake-config /usr/local/hmake/ix86-Linux/hmakerc add ghc
  instead.  (Obviously use the config file location for your machine.)
]

You might also want to add the version-specific names for ghc, e.g.
    hmake-config add ghc-5.04
    hmake-config add /usr/bin/ghc-5.04

Finally, you probably noticed that hmake was searching a whole bunch
of package directories it did not need to - for package concurrent,
posix, gtk, etc.  This has been fixed in hmake-3.06.

Regards,
    Malcolm