[Qgis-developer] QGis build with Mingw64

[Theuns Heydenrych]

I am trying to build QGis with Mingw64 on windows.
I have Qt64-4.8.4 on the machine and MSys and Mingw64.

I have opened the CMakeLists.txt in QtCreator and set all
the dependencies for Qgis in the opening wizard for QtCreator.
When compiling i get the following error, can anybody give me some hints
where to start looking, to get it compiled?

Best Regards
Theuns Heydenrych

09:11:03: Running steps for project qgis1.9.0...
09:11:03: Starting: "C:\mingw\bin\mingw32-make.exe"
[  0%] Built target version
[  0%] Building CXX object src/core/CMakeFiles/qgis_core.dir/qgis.cpp.obj
src\core\CMakeFiles\qgis_core.dir\build.make:1234: recipe for target
'src/core/CMakeFiles/qgis_core.dir/qgis.cpp.obj' failed
CMakeFiles\Makefile2:1118: recipe for target
'src/core/CMakeFiles/qgis_core.dir/all' failed
makefile:145: recipe for target 'all' failed
C:\dev\cpp\Quantum\src\core\qgis.cpp:48:27: error: external linkage
required for symbol 'GEOPROJ4' because of 'dllexport' attribute
C:\dev\cpp\Quantum\src\core\qgis.cpp:53:27: error: external linkage
required for symbol 'GEOWKT' because of 'dllexport' attribute
C:\dev\cpp\Quantum\src\core\qgis.cpp:66:27: error: external linkage
required for symbol 'PROJECT_SCALES' because of 'dllexport' attribute
C:\dev\cpp\Quantum\src\core\qgis.cpp:70:27: error: external linkage
required for symbol 'GEO_EPSG_CRS_AUTHID' because of 'dllexport' attribute
C:\dev\cpp\Quantum\src\core\qgis.cpp:72:27: error: external linkage
required for symbol 'GEO_NONE' because of 'dllexport' attribute
mingw32-make[2]: *** [src/core/CMakeFiles/qgis_core.dir/qgis.cpp.obj] Error
1
mingw32-make[1]: *** [src/core/CMakeFiles/qgis_core.dir/all] Error 2
mingw32-make: *** [all] Error 2
09:11:06: The process "C:\mingw\bin\mingw32-make.exe" exited with code 2.
Error while building/deploying project qgis1.9.0 (kit: Desktop 64)
When executing step 'Make'
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