[CMake] Cross Compiling with cmake 2.8.5

[Alexander Neundorf]

On Wednesday 27 July 2011, r.czerny at esa-grimma.de wrote:
> Hi all,
> 
> I tried to cross-compile an internal application for windows on a linux
> machine,
> but failed, because cmake at some point re-start the configure process,
> and
> drops the CMAKE_SYSTEM_NAME variable along that way. Attached is a
> minimal CMakeLists.txt, which reproduces the problem.
> 
> Is there a way to avoid the reconfiguration?

Did you try to use a toolchain file as described in the cmake cross compiling 
wiki page ?
http://www.vtk.org/Wiki/CMake_Cross_Compiling
It even has a separate link for mingw.

Without it, the CMAKE_SYSTEM_NAME you have set via -D probably doesn't make it 
into the try_compile()-projects.

Alex