Re: [Bug-gnubg] Bug: compile error on misc3d.c

[Jon Kinsey]

Jon Kinsey wrote:

> Achim Mueller wrote:
>
> > * Joern Thyssen wrote on 17 Apr 2004:
> >
> >
> > > On Sat, Apr 17, 2004 at 07:37:16AM +0200, Achim Mueller wrote
> > >
> > > Try adding unistd.h:
> > >
> > > #if HAVE_UNISTD_H
> > > #include <unistd.h>
> > > #endif
> >
> >
> >
> > That worked (of course ;-) ).
> >
> >
> > > > And before I had to change misc3d.c (line 28, #include <io.h>),
> > > > because it couldn't find io.h.
> > >
> > >
> > > Perhaps io.h should only be included for windows?
> >
> >
> >
> > There are two io.h on my system in /usr/include/asm and
> > /usr/include/sys. Changing "#include <io.h>" to "#include
> > <sys/io.h>" did help.
>
>
> It's my fault... I added a call to access() and couldn't work out which 
> include was needed.  The windows reference says io.h, which works on 
> windows but I noticed it wasn't anywhere else (so probably wasn't going 
> to work for everyone) - so which include is used elsewhere for access()?
>
> I've had a quick look and I don't think it's included correctly in other 
> files - it just gets compiled as an undefined reference.  The higher 
> warning level I happen to be using for the 3d library flags the warning 
> (and stops as I've got warnings cause errors set).

Answering myself, I've changed it to:

#if HAVE_UNISTD_H
#include <unistd.h>
#else
#include <io.h>
#endif

which should hopefully work everywhere.

Jon