A quicky and dirty solution would be, edit your bin\gsc-cc-o.bat file as not to include that compilation option anymore.

Secondarily, for debug, you can turn on the GAMBC_CC_VERBOSE environment option as to get echoed to you the actual C compiler command line invoked by Gambit.

Did this work around it?

2013/1/11 Sunao Furukawa sadie@kind.ocn.ne.jp

Hello everyone! It is nice to meet you!

I installed gambit. So,I compiled .scm file. But, I failed it. Error message: C:\Users?\Desktop>gsc myeval-myapply1.scm gcc: error: unrecognized command line option '-mno-cygwin'

I download gambit of Windows installer MinGW version 4.6.6. MinGW is mingw-get-inst-20120426.exe.

myeval-myapply1.scm is SICP 4.1.4 improved for R5RS.

I can not understand why gsc emitted "gcc: error: unrecognized command line option '-mno-cygwin'". Please give me your help.

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