RE: [GD-General] Redundant Include Guards

[Grills, J. <jg...@so...>]

I once wrote a perl script to implement Lakos' include guard techniques on
all of our source, and it had no significant impact on our build times in
MSVC 6.

j
Jeff Grills
Technical Director
Star Wars Galaxies
Sony Online Entertainment

-----Original Message-----
From: Arjen Beij [mailto:arj...@ga...]
Sent: Monday, December 16, 2002 3:03 AM
To: gam...@li...
Subject: RE: [GD-General] Redundant Include Guards



Not sure about that. It does have "#pragma once" though, which "specifies
that the file, in which the pragma resides, will be included (opened) only
once by the compiler in a build."

Arjen Beij | AI Programmer

Lost Boys Games | Prins Hendrikkade 139 | 1011AS Amsterdam The Netherlands
Tel: +31 (0)20 4272277 | Fax: +31 (0)20 4274040 |
arj...@ga...
www.games.lostboys.com

> -----Original Message-----
> From: gam...@li...
> [mailto:gam...@li...]On Behalf Of
> Dirk Ringe
> Sent: Monday, December 16, 2002 09:27
> To: gam...@li...
> Subject: RE: [GD-General] Redundant Include Guards
>
>
> At least GCC is smart enough to prevent opening header files if they are
> guarded by include guard defines and when they are already parsed. Whether
> this applies to MSVC i do not know.
>
> Dirk