wild guess, since I don't know about your environment and I'm also not proficient in building pugs... Seems like ghc is living in ~/.ghc/bin. You've set 
GHC=`which ghc-6.4.1`
export GHC
cpan Pugs

[download]

according to Corion's advice. Now the building system is looking for hsc2hs-6.4.1 - provide it. Look for hsc2hs in ~/.ghc/bin and make a symlink to it as hsc2hs-6.4.1

Or undefine the environment variable GHC and prepend your haskell directory to your path: PATH=~/.ghc/bin:$PATH so that the right haskell compiler is found (and the plain hsc2hs). Hope that's close to accurate and helpful ;-)

--shmem 

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}

In reply to Re^3: Installing Pugs via CPAN shell (How to call specific ghc version) by shmem
in thread Installing Pugs via CPAN shell (How to call specific ghc version) by neversaint

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