making 6.9.. with 6.8.3

Serge D. Mechveliani mechvel at
Tue Sep 16 11:01:31 EDT 2008

Dear GHC team,

I again have problems with making GHC from source.
Now, this is for making  with  ghc-6.8.3.
  ./configure --prefix=...

reports that  Happy is needed.
But earlier, I compiled  ghc-6.8.3  with itself,
and it did not required Happy.
Generally, as I recall, I got used to making GHC from source without 
installing Happy.
Please, what (and why) has changed about this?

Maybe  ghc-6.8.3  has Happy inside it and ghc-6.9.20080910-src has not?

Here are the fragments of  config.log  for ghc-6.8.3 auto-make:

It was created by The Glorious Glasgow Haskell Compilation System 
configure 6.8.3, which was
generated by GNU Autoconf 2.59.  Invocation command line was

  $ ./configure --prefix=/home/mechvel/ghc/6.8.3/inst

## --------- ##
## Platform. ##
## --------- ##

hostname = scico
uname -m = i686
uname -r = 2.6.22-1-686
uname -s = Linux
uname -v = #1 SMP Mon Jul 23 13:23:02 UTC 2007

/usr/bin/uname -p = unknown
/bin/uname -X     = unknown

/bin/arch              = unknown
/usr/bin/arch -k       = unknown
/usr/convex/getsysinfo = unknown
hostinfo               = unknown
/bin/machine           = unknown
/usr/bin/oslevel       = unknown
/bin/universe          = unknown

PATH: /home/mechvel/ghc/6.8.3/inst1/bin
configure:5565: result: /home/mechvel/ghc/6.8.3/inst1/bin/ghc-pkg
configure:5707: checking for happy
configure:5740: result: no
configure:5744: checking for version of happy
configure:5757: result:
configure:5794: checking for haddock
configure:5827: result: no
configure:5837: checking for alex
configure:5870: result: no
configure:5874: checking for version of alex
configure:5887: result:
#define _FILE_OFFSET_BITS 64

configure: exit 0

Why  cannot produce such?

What I am missing?
Can you somehow preserve the `make' procedure between the versions?

several years ago I was able to `make' Happy.
Now, I tried to make Happy-1.17, with ghc-6.8.3.
But it occurs difficult to find out how to do this.
This is not like with GHC. The source GHC has README in the root of 
the `make' directory, where it is visible an short instruction
   ./configure ...
   make install 

And in Happy, I do not find such. I am unhappy with Happy.

Please, advise,

Serge Mechveliani
mechvel at

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