[SDL] SDL_draw: " [Linker error] undefined reference to `Draw_FillCircle' "

[Jonathan Dearborn]

This looks like it just couldn't find your library file (or you didn't
tell the linker about it).  Assuming you're on Windows from the
Dev-C++ reference, you would copy a file like libsdl_draw.a into your
compiler's "lib" folder.  This file comes from building the library
from the source that you get on Sourceforge.  There seems to be a
Dev-C++ project file in there, so it might just work right away for
you.  Make sure you add a linker option like -lsdl_draw or the
equivalent.

Jonny D



On Thu, Aug 20, 2009 at 4:53 PM, Luke Endres<endres94 at gmail.com> wrote:
> Hi all. Recently, I stumbled across some code in which to create a
> little physics test with circles (using SDL_draw. here's the code
> http://pasteall.org/3008/cpp). When I first ran the code, Dev-C++ gave
> me the error that it was not able to find 'SDL\SDL_draw.h'.  So, I
> went to http://sdl-draw.sourceforge.net/ and downloaded all of the
> files. I took  SDL_draw.h out of the include folder and put it into
> the include folder in my SDL directory. So, I set up the program,
> added the linkers, ran the program again, and it imported SDL_draw.h.
> Good. The only problem was that it gave me these errors:
>
>  [Linker error] undefined reference to `Draw_FillCircle'
>  [Linker error] undefined reference to `Draw_Line'
>
>
> I knew that it was going to give me those errors, but I didn't know
> what to do. I also knew that all of the SDL_draw functions where in
> separate files in the 'src' folder. So my question is, how do I 'link'
> (if that's the correct term in this case) those SDL_draw functions in
> the src folder to SDL itself? Any help will be much appreciated.
> Thanks!
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