performance enhancements for cygwin make

[Noel Grandin]

On 2012-03-08 10:19, Jesús Corrius wrote:
> There are already many native ports of the GNU tools for Windows. 
I know - I'm working on Meeks' suggestions for improving the performance 
of gmake on Windows.

> You can try adding -DWINDOWS32 to CFLAGS. 
That part I know, but which file do I edit to make that happen when 
building using gcc/make under cygwin.