LNK2005: "void __cdecl operator delete(void *)" ......

[Guest]

My hear is dropping out of these linker errors of VC++ .NET. :-(
I try to create a mixed managed/unmanaged .NET dll to be used for my futur
projects, but I always bump in a linker error and no way to get around
this...

The error is: sLibBase error LNK2005: "void __cdecl operator delete(void *)"
(??3@YAXPAX@Z) already defined in libcmtd.lib(dbg del.obj)

These are 2 the same header files. The first uses <string> and generates the
link error.
If I remove this <string> then the linker does not get an error.

It is not only <string > the gives this error, also includes with <istream>
and <ostream>,... and my code uses <string> dramatically.

Any idea how to fix this? I found references to this problem on msdn, but
that is for VC 6 and the sollutions suggested doesn't solve this error.

Any help would be great.


This generates the link error
----------------------------------------------
#pragma once
using namespace System;
#include <afx.h>
#include <string>

namespace sLibBase
{
public __gc class Class1
{
};
}


This generates no link error
----------------------------------------------
#pragma once
using namespace System;
#include <afx.h>

namespace sLibBase
{
public __gc class Class1
{
};
}

[Lionel Schiepers]

Re: LNK2005: &quot;void __cdecl operator delete(void *)&quot; ......

I think that you link your project with the static release C Runtime instead
of the static debug C Runtime on a debug configuration.



<Olaf.Baeyens@s kyscan.be> wrote in message
news:3f321587$0 $314$ba620e4c@r eader0.news.sky net.be...[color=blue]
> My hear is dropping out of these linker errors of VC++ .NET. :-(
> I try to create a mixed managed/unmanaged .NET dll to be used for my futur
> projects, but I always bump in a linker error and no way to get around
> this...
>
> The error is: sLibBase error LNK2005: "void __cdecl operator delete(void[/color]
*)"[color=blue]
> (??3@YAXPAX@Z) already defined in libcmtd.lib(dbg del.obj)
>
> These are 2 the same header files. The first uses <string> and generates[/color]
the[color=blue]
> link error.
> If I remove this <string> then the linker does not get an error.
>
> It is not only <string > the gives this error, also includes with[/color]
<istream>[color=blue]
> and <ostream>,... and my code uses <string> dramatically.
>
> Any idea how to fix this? I found references to this problem on msdn, but
> that is for VC 6 and the sollutions suggested doesn't solve this error.
>
> Any help would be great.
>
>
> This generates the link error
> ----------------------------------------------
> #pragma once
> using namespace System;
> #include <afx.h>
> #include <string>
>
> namespace sLibBase
> {
> public __gc class Class1
> {
> };
> }
>
>
> This generates no link error
> ----------------------------------------------
> #pragma once
> using namespace System;
> #include <afx.h>
>
> namespace sLibBase
> {
> public __gc class Class1
> {
> };
> }
>
>[/color]

[Guest]

Re: LNK2005: &quot;void __cdecl operator delete(void *)&quot; ......

> I think that you link your project with the static release C Runtime
instead[color=blue]
> of the static debug C Runtime on a debug configuration.
>[/color]
It was not that but you gave me some new ideas and instead of statically
linking MFC I link now dynamic.
This solved my link errors. An dfinally it seems that then unmanaged code
also works for me now. :-)