[ODE] Newbie: linker error with dxWorld

[Jon Watte (ODE)]

Global variables do not have to be static, just because the functions 
are static.


Ben Martin wrote:
> I apologize if this has been covered before but I tried to search the
> list archive and couldn't find anything.
>
> I tried to integrate ODE with Irrlicht by following a tutorial found
> online. The problem is that I get linker errors when trying to compile.
> I got the latest version of ODE from SVN and compiled it using VS2005. I
> am programming with VC++
>
> Errors: 
>
>   
>>> Error	31	error LNK2001: unresolved external symbol
>>>       
> "private: static struct dxWorld * Irrlicht::m_TheWorld"
> (?m_TheWorld at Irrlicht@@0PAUdxWorld@@A)	Irrlicht_test.obj	
>   
>>> Error	32	error LNK2001: unresolved external symbol
>>>       
> "private: static struct dxSpace * Irrlicht::m_TheSpace"
> (?m_TheSpace at Irrlicht@@0PAUdxSpace@@A)	Irrlicht_test.obj	
>   
>>> Error	33	error LNK2001: unresolved external symbol
>>>       
> "private: static struct dxJointGroup * Irrlicht::m_TheJointGroup"
> (?m_TheJointGroup at Irrlicht@@0PAUdxJointGroup@@A)
> Irrlicht_test.obj	
>   
>>> Error	34	fatal error LNK1120: 3 unresolved externals
>>>       
> F:\Projects\Irrlicht\Debug\Irrlicht_test.exe
>
> Code:
>
> #include <ode/ode.h>
> #pragma	comment(lib, "ode.lib")
>
> static dWorldID		m_TheWorld;	
> static dSpaceID		m_TheSpace;	
> static dJointGroupID	m_TheJointGroup
>
> I have to declare them as static because they are used in my Collision
> Callback function which is declared as static.
>
> Thanks a lot for your help
>
> Ben
>
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