[CMake] CMake is unable to find QtCore!

[Toronto Andrew]

Andreas Pakulat-2 wrote
> 
> Hi,
> 
> Relocating Qt requires either patching the qmake binary or installing
> a qt.conf file to help qmake find the libs in the new position. The
> absolute include/lib dirs are hardcoded into qmake when its being
> built. See http://doc.qt.nokia.com/4.7/qt-conf.html for the
> file-format
> 
> -> *First off, I really appreciate you looking at my build errors. 
> 
> Patching the qmake binary? I reinstalled the 4.8.2 binary, why is this not
> enough? Of course, I will write a qt-conf file I am unable to correct my
> building environment.*
> 
>> FindQt4 now actually finds 4.8.2 as opposed to 4.8.0, however
>> some flags like QT_USE_FILE and QT_QTGUI_LIBRARY seem to still point at
>> 4.8.0 prompting some linker issues during the build.
> 
> Does that mean you didn't move Qt this time?
> 
> -> *Well, I have both Qt versions withing the same directory (C:/Qt/4.8.0
> as well as C:/Qt/4.8.2), and while qmake seems to be configured properly
> for 4.8.2, I feel like it is the flags I mentioned earlier that point at
> 4.8.0, however, I could be mistaken. I figured this out
> *
>> http://cmake.3232098.n2.nabble.com/file/n7581165/8Mj17.png
>>
>> Just for reference, the CMakeLists is found  http://pastie.org/4466367
>> here
>> if need be.
> 
> Did you start with a clean cache? The screenshot suggests you're
> trying to mix debug and release Qt libraries, thats a very bad idea
> anyways (QtOpenGLdd and QtGui4 are mentioned). So maybe things are
> still not picked up as you think they are? The cache-file should have
> more information.
> 
> And you should get rid of LINK_DIRECTORIES, thats not a good idea and
> almost always the wrong fix to whatever linking problems you have.
> CMake find-modules are supposed to setup the absolute path to
> libraries in the variables they 'export', which can be used with
> target_link_libraries directly. Same goes for the 'link_libraries'
> call for MacOSX I'd say.
> 
> Andreas
> 
> *I did start with a clean cache. I see what is happening with the
> debug/release libraries, but do you know what might have caused this?
> There is nothing in the CMakeLists file that seems like it may be causing
> it. Could it be a way the other libraries are built (VTK ?)
> 
> I will avoid using LINK_DIRECTORIES and optimize the CMakeLists file, will
> post back if there is progress.  *
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