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POunresolved external symbol even though i think i am linking correctly (MSVC)
 

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  1. POunresolved external symbol even though i think i am linking correctly (MSVC)
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    <p>i have a project that is using SDL as an external library. The project uses functions such as _SDL_WM_SetCaption, _SDL_FillRect or _SDL_MapRGBA. I have told the linker to include the two libraries SDL.lib and SDLmain.lib and have told it to look in the folder where these libraries are placed. I have also inspected the library files with dumpbin.exe and the functions are there. however, it still doesnt work compiling/linking? why? anyone have any ideas?</p> <p>edit: here is an example output of the linker/compiler error:</p> <pre><code> 14>libtestd.lib(sdlgl.obj) : error LNK2019: unresolved external symbol _SDL_WM_SetCaption referenced in function "public: void __thiscall SDLGLEngine::SetTitle(char *)" (?SetTitle@SDLGLEngine@@QAEXPAD@Z) 14>libtestd.lib(sdlgl.obj) : error LNK2019: unresolved external symbol _SDL_FillRect referenced in function "public: bool __thiscall SDLGLEngine::Init(int,int,int,bool)" (?Init@SDLGLEngine@@QAE_NHHH_N@Z) 14>libtestd.lib(sdlgl.obj) : error LNK2019: unresolved external symbol _SDL_MapRGBA referenced in function "public: bool __thiscall SDLGLEngine::Init(int,int,int,bool)" (?Init@SDLGLEngine@@QAE_NHHH_N@Z) 14>libtestd.lib(sdlgl.obj) : error LNK2019: unresolved external symbol _SDL_SetVideoMode referenced in function "public: bool __thiscall SDLGLEngine::Init(int,int,int,bool)" (?Init@SDLGLEngine@@QAE_NHHH_N@Z) 14>libtestd.lib(sdlgl.obj) : error LNK2019: unresolved external symbol _SDL_GL_SetAttribute referenced in function "public: bool __thiscall SDLGLEngine::Init(int,int,int,bool)" (?Init@SDLGLEngine@@QAE_NHHH_N@Z) 14>libtestd.lib(sdlgl.obj) : error LNK2019: unresolved external symbol _SDL_Quit referenced in function "public: bool __thiscall SDLGLEngine::Init(int,int,int,bool)" (?Init@SDLGLEngine@@QAE_NHHH_N@Z) 14>libtestd.lib(sdlgl.obj) : error LNK2019: unresolved external symbol _SDL_Init referenced in function "public: bool __thiscall SDLGLEngine::Init(int,int,int,bool)" (?Init@SDLGLEngine@@QAE_NHHH_N@Z) </code></pre>
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    1. USgenpfault
    1. USChrisC
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      1. POunresolved external symbol even though i think i am linking correctly (MSVC)
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      1. VTDownMod
    1. CODo they have the same compile flags? like -MT/-MD? Do you link to debug or release version?
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      1. POunresolved external symbol even though i think i am linking correctly (MSVC)
      1. USgongzhitaao
    2. COdo you call methods from your code as `_SDL_Init` or `SDL_Init`?
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      1. POunresolved external symbol even though i think i am linking correctly (MSVC)
      1. USZdeslav Vojkovic
    3. COhmm, i have to check about the SDL_Init...
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      1. POunresolved external symbol even though i think i am linking correctly (MSVC)
      1. USChrisC
 

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