Win 9x support

Sigbjorn wrote the below re his GHC 6.6.1 installer. It sounds like there still is some demand for GHC on Win 9x, so we should have make a non-threaded ghc be built in the nightly builds and handled correctly in the installer creator.

Someone sent an e-mail querying about Win9x compatibility, which
is something I forgot to take into account when building the 6.6.1
installer. To remedy, I've refreshed the installer to include a new
version that ought to work across a wider spectrum of MS OS
versions & releases --

  http://galois.com/~sof/msi/ghc-6-6-1.msi

Notice that since the GHC binary is now being linked with
a 'threaded' RTS, some non-Win9x compatible portions of the
Win32 API is being used & depended upon, causing DLL resolution
at startup to miserably fail.

To counter and workaround this, I've included bin/ghc-u.exe with
the refreshed installer, which is an unthreaded (and faster..) version
of the compiler (=> GHCi.) So, to get a working system under
Win9x, you'll need to either use "ghc-u" directly, or rename it
as ghc.exe (and, as a result, enable 'ghci.exe' usage.)

Also, as with ghc-6.6, if you intend to distribute your 6.6.1-compiled
code that uses the Win32 package, and have it work on Win9x
platforms, you'll need to include the Unicode API layer DLL, which
you'll find in bin/ as unicows.dll

Trac metadata

Trac field	Value
Version	6.6.1
Type	FeatureRequest
TypeOfFailure	OtherFailure
Priority	high
Resolution	Unresolved
Component	Compiler
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