> > 
> > If you compile with the included Makefile, you will see a 
> > 
> > -DOS_LINUX -DOS_DARWIN
> > 
> 
> Moving forward, it looks like I can define these variables in midas.h and remove the need to define them on the compiler command line.
> 
> This would be part of the Makefile and header files cleanup to get things working on Windows10.
> 
> K.O.

Will you detect the underlying OS automatically in midas.h? Note that you have several compilers in MacOS (llvm and gcc), and they might use different 
predefined symbols. I appreciate however getting rid of these flags in the Makefile.

Stefan