Say that recent CygWin perl versions work as well.

 this is tested on Win32 but it may also work in Win 3.1 with some

 modification.

 You need Perl for Win32 (available from http://www.activestate.com/ActivePerl)

 You need Perl for Win32 -- either ActiveState Perl, available from

 http://www.activestate.com/ActivePerl, or the perl that comes with

 Cygwin.  Version 5.6.1-2 of the latter has been reported to work,

 although earlier versions might cause `./Configure' to fail.

 and one of the following C compilers:

  * Visual C++