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This is for people using FreeImage Library - an open source C library to manage images: http://freeimage.sourceforge.net/

This question has been submitting many times in different forums, but I couldn't find the answer. If somebody knows the soulution please submit.

I want to use this Library as STATIC library instead of using additional *.dll file. Unfortunately I Iam getting "unresolved external symbol".

In FreeImage FAQ there is a topic: How to use FreeImage as a static library instead of as a DLL (Visual C++ 6) ? http://freeimage.sourceforge.net/faq.html

Unfortunately it doesn't work, because I am recieving "unresolved external symbol" message even if there is only one "FreeImage_Initialise()" function I am working in MS VC++ 2008 and 2010 Express.

So I am asking for help. I noted that many people had this same problem.

Maybe is just a question of proper options in MS Visual project?

Joel Coehoorn
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Mateusz
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2 Answers2

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I think I found the answer myself.

Because the FreeImage solution under VC++ 2008 can't open under VC++ 2010 I created static .lib file in VC++ 2008 version. Linkin it with project in VC++ 2010 gave error: unresolved external symbol,

but then I tried to link it under a project in VC++ 2008 and it linked successfully.

It seems that static libs from VC++ 2008 works bad in 2010, maybe its VC++ Express 2010 bug...

Mateusz
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I used Visual 2012 express and it work fine! FreeImage has been wrapper for .NET, so you must use it in .NET project, not in VC++. This is not Bug.

Tuyển Đỗ
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