[Lazarus] Cross-compile on Linux from 32bits to 64bits

[Marco van de Voort]

On Sun, May 25, 2008 at 10:24:29AM +0200, Mattias Gaertner wrote:
> > I'm using a 32 bits Linux system to developp and i want my program to
> > be 64 Bits compatible.
> > What is the best method to allow my program to be compatible on 32 And
> > 64 bits ?
> 
> See FPC mailing list: check pointer/integer type casts, use PtrInt and
> PtrUInt instead and avoid assembler.

Also avoid legacy units like "oldlinux" and "libc" that are not supported
outside of linux/i386