Re: [Mingw-cross-env-list] Undefined Reference errors when linking

[Mark Brand]

> My project now successfully compiles, linking fails however, with 
> approximately 42 billion error messages like the ones posted at the end.
<snip>
> CMakeFiles/PhenoCam.dir/objects.a(exporterMainwindow.cpp.obj):exporterMainwindow.cpp:(.text+0xb1b): 
> undefined reference to `__imp___ZN5QJson6ParserC1Ev'
> CMakeFiles/PhenoCam.dir/objects.a(exporterMainwindow.cpp.obj):exporterMainwindow.cpp:(.text+0xb40): 
> undefined reference to `__imp___ZN5QJson6Parser5parseERK10QByteArrayPb'
> CMakeFiles/PhenoCam.dir/objects.a(exporterMainwindow.cpp.obj):exporterMainwindow.cpp:(.text+0x1379): 
> undefined reference to `__imp___ZN5QJson6ParserD1Ev'
> CMakeFiles/PhenoCam.dir/objects.a(exporterMainwindow.cpp.obj):exporterMainwindow.cpp:(.text+0x1735): 
> undefined reference to `__imp___ZN5QJson6ParserD1Ev'
> CMakeFiles/PhenoCam.dir/objects.a(selectVideoStep.cpp.obj):selectVideoStep.cpp:(.text+0x9e8): 
> undefined reference to `__imp___ZN5QJson6ParserC1Ev'
> CMakeFiles/PhenoCam.dir/objects.a(selectVideoStep.cpp.obj):selectVideoStep.cpp:(.text+0xa16): 
> undefined reference to `__imp___ZN5QJson6Parser5parseEP9QIODevicePb'
> CMakeFiles/PhenoCam.dir/objects.a(selectVideoStep.cpp.obj):selectVideoStep.cpp:(.text+0xc7c): 
> undefined reference to `__imp___ZN5QJson6ParserD1Ev'

Hi Simon,

You might find some clues here:

http://stackoverflow.com/questions/5159353/how-can-i-get-rid-of-the-imp-prefix-in-the-linker-in-vc

Somebody who knows more about cmake and qjson might be able to give more 
specific advice.

Mark