portable.h and portable.nt question

["Kammerloher, Josef" <Josef.Kammerloher@est.fujitsu.com>]

Hello,
I write a new backend for OpenLDAP and want to compile the source
simultaniously on both Windows and Solaris and Linux.
But I can do it only sequentially:
After Solaris compilation, I have to "cp portable.nt portable.h", then I can
do a windows compilation.

Do I make something wrong ?
Should portable.h contain some lines like
#ifdef WIN32
#include "portable.nt"
#else
...
#endif


Another question:
Is it possible/planned to separate the source and result ( *.o, *.obj )
directory ?

Thanks,
Josef Kammerloher