[fpc-devel] Portability Standards

Michael Van Canneyt michael at freepascal.org
Mon Jan 3 10:35:32 CET 2005



On Mon, 3 Jan 2005, Tomas Hajny wrote:

> On Sun, 2 Jan 2005 23:35:10 +0100 (Romance Standard Time), Michael Van Canneyt
> wrote
> > On Sun, 2 Jan 2005, DrDiettrich wrote:
> >
> > > Michael Van Canneyt wrote:
>  .
>  .
> > > 2) File Restructuring
> > > I've separated the spaghetti code in AbUtils.pas into distinct MSWINDOWS
> > > and UNIX sections, each containing complete procedures. These sections
> > > could be moved into dedicated OS specific include files - what's the
> > > preferred way?
> >
> > {$ifndef unix}
> > {$i abiuwin.inc} // more to follow later: e.g. Mac OS, Netware etc.
> > {$else}
> > {$i abiulin.inc}
> > {$endif}
>
> There's at least one (IMHO not worse at least) alternative to that (already
> used in FPC itself among others) - keep the include file name the same, place
> it in separate directories for different targets (like UNIX, WIN32, etc.) and
> provide the right paths using a Makefile (see e.g. fcl/Makefile.fpc + Makefile
> in our source tree). The advantage of this approach is that you don't need any
> ifdefs at all (especially when there are more targets supported it could get
> somewhat messy).

This is definitely an option.

Michael.




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