Did you check it out from darcs? If so, did you run "sh start" -- this looks very like an error I got when I didn't do that. Bob On 16 Nov 2006, at 09:14, Neil Mitchell wrote:

In case any Hat people miss this (pleaes cc Aditya)

---------- Forwarded message ---------- From: Aditya Siram Date: Nov 16, 2006 2:00 AM Subject: [Haskell-cafe] Newbie; Can't Install Hat From Source To: haskell-cafe@haskell.org

Hi all, I have been trying to install Hat for the last couple of days but GHC does not recognize it as a package. I compiled 2.05 from source, but at the 'make install' step I see this error message:

**Begin Output** ./configure --install Configuring for hat... [ 2.05 ] Starting with earlier config in targets/ix86-Linux/config.cache [ config: ix86-Linux/ by deech@ubuntu on 15 Nov 2006 ] (but cmdline options have precedence) -------- Looking for already-installed Haskell compilers: Looking for ghc... found 6.6 Looking for nhc98... (not found) Looking for hmake... found 3.13 You said you want to use ghc to build hat. Done. -------- Configuration report for hat.

You are going to build hat with: ghc Executables need .exe suffix? no (detected) Testing for the glib library: no (using slower replacement)

Installation directories are now created/checked. Install directory root is: /usr/local Hat interface files (.hx) go into: /usr/local/include/hat-2.05 (exists) Array.hx ...... Debug/Trace.hx Installing hat as a ghc package: Installing hat package for ghc under /usr/local/lib/hat-2.05/ix86-Linux/ghc-606 ghc-pkg: cannot find package hat <-----ERROR MESSAGE!!!!! Reading package info from stdin ... done. ghc-pkg: package hat-2.4 is already installed

Scripts go into: /usr/local/bin (exists) hat-graph hat-trans hat-tools: hat-stack hat-check hat-observe hat-detect hat-delta hat-view hat-trail hat-anim hat-explore hat-cover black-hat hat-nonterm pretty-hat

Executables go into: /usr/local/lib/hat-2.05/ix86-Linux (exists) config hat-anim hat-check hat-cover hat-delta hat-detect hat-explore hat-nonterm hat-observe hat-stack hat-trail hat-trans hat-view black-hat pretty-hat

Man pages go into: /usr/local/man/man1 (exists) hat-anim.1 hat-delta.1 hat-detect.1 hat-observe.1 hat-stack.1 hat-trail.1 hat-trans.1 pretty-hat.1

Not (re-)installing html documents Saving current configuration in targets/ix86-Linux/config.cache Done.

Please ensure /usr/local/bin is in your PATH variable. **End Of Output**

The output of 'ghc-pkg list' is:

/usr/local/lib/ghc-6.6/package.conf: Cabal-1.1.6, HUnit-1.1, QuickCheck-1.0, base-2.0, cgi-2006.9.6, fgl-5.2, (ghc-6.6), haskell-src-1.0, haskell98-1.0, html-1.0, mtl-1.0, network-2.0, parsec-2.0, readline-1.0, regex-base-0.71, regex-compat-0.71, regex-posix-0.71, rts-1.0, stm-2.0, template-haskell-2.0, time-1.0, unix-1.0, xhtml-2006.9.13 /home/deech/.ghc/i386-linux-6.6/package.conf: (hat-2.4) <----ERROR!!!

For some reason it thinks that hat-2.4 is installed.

I tried to run a test program saved in HatTest.hs:

import Prelude

main = do { print "Hello"; }

When I compile it with 'hmake -hat HatTest' I get the following error: hat-trans HatTest.hs Wrote Hat/HatTest.hs ghc-6.6 -c -package hat -o Hat/HatTest.o Hat/HatTest.hs

Hat/HatTest.hs:3:0: Bad interface file: /usr/local/imports/hat-2.05/ghc-606/Hat/PreludeBasic.hi Something is amiss; requested module hat-2.4:Hat.PreludeBasic differs from name found in the interface file hat:Hat.PreludeBasic

I'm not really sure how to proceed. Any help is appreciated.

BTW I get the ghc-package: cannot find package hat when I 'apt-get install' it too.

Thanks.. Deech

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