Kate
I'm sorry not to have replied to your earlier message; I've been
away at POPL etc. Incidentally, for implementation-related
things, better to use glasgow-haskell-bugs (albeit it's not actually a
bug)
rather than glasgow-haskell-users.
GHC 4.08 (which is the place from which you got your code, I think)
uses a "driver" written in perl to coordinate its operations. The
driver
runs cpp, then GHC itself (a binary called 'hsc'), then gcc, then as,
then ld.
Run ghc-4.08 with "-v" to see what it does.
My bet is that you are running your bits-of-ghc-plus-bits-of-your-own
binary directly. So it's not getting all the command-line flags it
expects.
(nor are they documented, because it's an internal interface).
| Main.hs:1:
| Could not find interface file for 'Prelude'
| in the directories ./*.hi
It's not looking in the right directories because it hasn't been told
to do so by the command-line flags. If you run ghc-4.08 -v you'll
see how the driver communicates which directctories to look in.
| Main.hs:3:
| Bad interface file:: ./ParseAndRenameFile.hi
| ./ParseAndRenameFile.hi:1 Interface file
| version error; Expected 0
| found version 408
The version number it expects to find is again communicated by
a command line flag. For your purposes you may not care, so
one option is to just remove the test. Or ghc-4.08 -v will show
you what the driver is saying to hsc.
Incidentally, Tim Sheard at OGI is building a modular front end for
Haskell, in the spirit of Mark Jones's Typing Haskell in Haskell paper.
It might be worth asking him whether it's in a borrow-able state,
becuase
it's probably less of a monster than GHC.
Simon
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