November 07, 2013 Some questions about linking 64-bit programs on windows | ||||
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I'm using DMD 2.064.2 and 64-bit Windows 8.1. I have VS2013 and Windows SDK 8.1 installed. I'm running DMD from the VS2013 developer console. First of all there's a bug in sc.ini (line 70) when using these program versions above. The platform libraries are under winv6.3 subdirectory instead of win8. If you don't fix that, you get shell32.lib not found errors when linking. I'm trying to link a very simple 64-bit GLFW program. In the end I got everything working with following command (64-bit static glfw3.lib is in the same directory): dmd -m64 app.d glfw3.lib opengl32.lib user32.lib gdi32.lib -L/NODEFAULTLIB:libcmt.lib Some questions: There were no instructions anywhere to include user32 and gdi32, but the linking failed without them. Is that normal? There was conflict with msvcrt.lib and libcmt.lib. Removing libcmt worked. Why are they both included and is that normal? Is it OK to give the library names straight to dmd instead of the linker? Am I assuming right that the "opengl32.lib user32.lib gdi32.lib" part is automagically linking to dynamic (DLL) 64-bit windows libraries? |
November 08, 2013 Re: Some questions about linking 64-bit programs on windows | ||||
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Posted in reply to Mikko | The code in glfw3.lib uses user32/gdi32 (in order to create the window). And because you use glfw3 as a static library, you have to link in user32/gdi32. However if you use glfw3 as a dynamic library (your program links with the glfw3 import library) then you don't need user32/gdi32 because your program code does not directly use them.
On Thursday, 7 November 2013 at 22:57:22 UTC, Mikko wrote:
> I'm using DMD 2.064.2 and 64-bit Windows 8.1. I have VS2013 and Windows SDK 8.1 installed. I'm running DMD from the VS2013 developer console.
>
> First of all there's a bug in sc.ini (line 70) when using these program versions above. The platform libraries are under winv6.3 subdirectory instead of win8. If you don't fix that, you get shell32.lib not found errors when linking.
>
> I'm trying to link a very simple 64-bit GLFW program. In the end I got everything working with following command (64-bit static glfw3.lib is in the same directory):
>
> dmd -m64 app.d glfw3.lib opengl32.lib user32.lib gdi32.lib -L/NODEFAULTLIB:libcmt.lib
>
> Some questions:
>
> There were no instructions anywhere to include user32 and gdi32, but the linking failed without them. Is that normal?
> There was conflict with msvcrt.lib and libcmt.lib. Removing libcmt worked. Why are they both included and is that normal?
> Is it OK to give the library names straight to dmd instead of the linker? Am I assuming right that the "opengl32.lib user32.lib gdi32.lib" part is automagically linking to dynamic (DLL) 64-bit windows libraries?
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