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Precompiled Headers...

Started by stringa Jun 3, 2009 at 9:44 PM 1 replies 2k views

Original Post

Jun 3, 2009 at 9:44 PM

1. I have a multiple project solution. 2. One solution contains pre-compiled headers (PCH) and one doesn't. 3. I have a .h/.cpp which I want to include in both projects. I currently have the following code at the top of my .cpp



#ifndef FBX_TO_BINARY


#include "GraphicsPrecompiled.h"
#include "../GraphicsInclude.h"

#else

#include "NewModelFuncs.h"

#endif

This is not working and giving the following errors.. 1>.\NewModelFuncs\NewModelFuncs.cpp(7) : fatal error C1019: unexpected #else Is it even possible to do this and if so, how? Thanks, stringa

stringa

Jun 3, 2009 at 10:46 PM

NM....I figured it out.

I my second project "NOT USING PRECOMPILED" I just included a dummy file that has the same and a relative path as the precompiled.

Walla....It works.

I'm not 100% sure why it doesn't work with MACRO defines, but this way seems to do it.

BrianL

Jun 4, 2009 at 12:41 AM

When a file is set to compile using precompiled headers, the compiler ignores everything before that include.

As a result, your 'using precompiled headers' case looked like this to the compiler:

#include "GraphicsPrecompiled.h"
#include "../GraphicsInclude.h"

#else

#include "NewModelFuncs.h"

#endif

...which obviously isn't valid.

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