attempting to build a cygwin ghc

[Terrence Brannon]

The windows 6.4.1 ghc puts ^M at the end of each line when using
ghcii.sh or plain old ghci.exe

I therefore attempted to build ghc on cygwin. Everything went fine
until what appears to be a final build step when it looks for a
package called unix and cannot find it.

Shell transcript attached. I belief the config.log is too large to
attach, so here it is:
http://hcoop.net/~terry/dump/ghc/config.log
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