***BOGO*** Re: [Mingw-users] trouble converting a MSVC lib

[Benjamin Riefenstahl <b.riefenstahl@xxxxxxxxxxxxxxxxxx>]

Hi Christopher,

> Brian Dessent wrote:
>> These symbols have been mangled, meaning they have C++ linkage,
>> meaning the header did not declare them 'extern "C"'.  If they
>> really have C linkage then you need to either a) compile your
>> source with a C compiler and not a C++ compiler, or b) edit the
>> header so that they are declared 'extern "C"'.

Christopher Harvey writes:
> When you said "edit your header", do you mean, "edit your header and
> re-compile the dll" or did you mean "edit your header and recompile
> the application that is calling the dll"?

Brian probably means the latter.

> I can't say if it's a C or C++ dll, but one thing is for sure all
> the functions are C compatible.

If the DLL's interface is C-only, you can use option c) (;-)) and
include the header in your C++ source like this:

  extern "C" {
    #include "NPRigidBody.h"
  }

That way you get the effect of option b), but you need not touch the
header.

benny

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