MSYS build - stage 2 problem

[Simon Marlow]

> After two attempts, process dies at:
> 
> [...]
> 
> ===fptools== Recursively making `boot' in base haskell98 
> haskell-src network parsec QuickCheck readline ...
> PWD = /ghc/fptools/libraries
> --------------------------------------------------------------
> ----------
> --------------------------------------------------------------
> ----------
> ==fptools== make boot - --unix -wr;
>  in /ghc/fptools/libraries/base
> --------------------------------------------------------------
> ----------
> ../../ghc/utils/hsc2hs/hsc2hs-inplace -Iinclude 
> -I../../ghc/includes -Icbits/regex -I.    System/CPUTime.hsc
> 
> Fail: does not exist
> Action: removeFile
> Reason: No such file or directory
> File: System\CPUTime_hsc_make.o
> 
> make[2]: *** [System/CPUTime.hs] Error 1
> make[1]: *** [boot] Error 1
> make[1]: Leaving directory `/ghc/fptools/libraries'
> make: *** [build] Error 1

This is a bug in the build system that we've never got around to fixing.
The workaround is (if I recall correctly) to remove
System/CPUTime_hsc_make*, remove .depend and 'make boot'.

> Any idea?
> 
> btw, which branch do you recommend as the most stable since 
> the MSYS build with 6.2 branch went much further?

6.2 should be the most stable branch.

Cheers,
	Simon