Create_samples, compiling with static libraries, linker error in highgui module, createToolBarEx

asked 2013-10-14 04:38:36 -0600

20029 ●16 ●82 ●207 http://stevenputtemans...

When compiling the createsamples utility for image vector creation when performing traincascade operation, I wanted to use the static libraries. With other projects this worked perfectly, however, with the create_samples utility, an error is raised at the highgui lib when linking:

1>opencv_highgui245.lib(window_w32.obj) : error LNK2001: unresolved external symbol __imp_CreateToolbarEx
1>C:\Visual Studio Projects\cleaned_software\x64\Release\create_sample_vector.exe : fatal error LNK1120: 1 unresolved externals

Anyone has an idea as how to solve this problem?

answered 2013-10-14 04:44:21 -0600

StevenPuttemans

20029 ●16 ●82 ●207 http://stevenputtemans...

Hmm static linking is not always as straightforward it seems. I had to add an extra static lib dependency to comctl32.lib. This solved the problem for me.

Might be interesting in having some sort of guide for these problems...

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I have the same problem with the opencv trunk from 140917. unfortunately I am still missing something after linking to comctl32.lib according to the linker error: opencv_highgui300.lib(window_w32.obj) : error LNK2001: unresolved external symbol cvConvertImage do you perhaps know what is missing?

Christoph Pacher ( 2014-09-17 09:30:26 -0600 )edit

hmm if you cannot get to cvConvertImage than you openCV linker settings are not set properly. You should take a look at that first. You do know you are using the OpenCV3.0 build right? It could contain a bug also. 2.4.9 is much safer.

StevenPuttemans ( 2014-09-22 05:53:20 -0600 )edit

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