GHC doesn't compile under cygwin

Hi, today I installed cygwin and downloaded the GHC source, however during compilation I get the errors: test: 504: unknown operand test: 500: unknown operand test: 504: unknown operand In addition,I get many Error [127] (ignored) and Error [1] (ignored) before finally quiting with the unknown operand errors. Attached is the configure output, confiure log and make output. Thanks in advance for any help.