Thanks for the advice Denis.<br>But it still gave some more errors at the end...<br>What else am I missing ?<br><br>[ 94%] Building CXX object Graphics/Testing/Cxx/CMakeFiles/GraphicsCxxTests.dir/TestTessellatedBoxSource.cxx.o<br>
[ 94%] Building CXX object Graphics/Testing/Cxx/CMakeFiles/GraphicsCxxTests.dir/TestTessellator.cxx.o<br>[ 94%] Building CXX object Graphics/Testing/Cxx/CMakeFiles/GraphicsCxxTests.dir/TestUncertaintyTubeFilter.cxx.o<br>Linking CXX executable ../../../bin/GraphicsCxxTests<br>
../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::~vtkXRenderWindowInteractor()&#39;:<br>vtkXRenderWindowInteractor.cxx:(.text+0x282): undefined reference to `XtDestroyWidget&#39;<br>
vtkXRenderWindowInteractor.cxx:(.text+0x2af): undefined reference to `XtDestroyApplicationContext&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::~vtkXRenderWindowInteractor()&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x360): undefined reference to `XtDestroyWidget&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x38d): undefined reference to `XtDestroyApplicationContext&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::~vtkXRenderWindowInteractor()&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x43e): undefined reference to `XtDestroyWidget&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x46b): undefined reference to `XtDestroyApplicationContext&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::Start()&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x724): undefined reference to `XtAppNextEvent&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x72f): undefined reference to `XtDispatchEvent&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::Initialize()&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0xab1): undefined reference to `XtToolkitInitialize&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0xab6): undefined reference to `XtCreateApplicationContext&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0xdc7): undefined reference to `XtOpenDisplay&#39;<br>
vtkXRenderWindowInteractor.cxx:(.text+0xf5b): undefined reference to `XtDisplayInitialize&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x1070): undefined reference to `applicationShellWidgetClass&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x113b): undefined reference to `XtVaAppCreateShell&#39;<br>
vtkXRenderWindowInteractor.cxx:(.text+0x1162): undefined reference to `XtRealizeWidget&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x118c): undefined reference to `XtWindow&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x11ac): undefined reference to `XtWindow&#39;<br>
vtkXRenderWindowInteractor.cxx:(.text+0x11f0): undefined reference to `XtRealizeWidget&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x121a): undefined reference to `XtWindow&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x123a): undefined reference to `XtWindow&#39;<br>
vtkXRenderWindowInteractor.cxx:(.text+0x1279): undefined reference to `XtWindow&#39;<br>vtkXRenderWindowInteractor.cxx:(.text+0x12eb): undefined reference to `XtWindow&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::Enable()&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x14f9): undefined reference to `XtAddEventHandler&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::Disable()&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x15d3): undefined reference to `XtRemoveEventHandler&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::InternalDestroyTimer(int)&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x1862): undefined reference to `XtRemoveTimeOut&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractorCallback(_WidgetRec*, void*, _XEvent*, char*)&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x2010): undefined reference to `XtSetKeyboardFocus&#39;<br>../../../bin/libvtkRendering.a(vtkXRenderWindowInteractor.cxx.o): In function `vtkXRenderWindowInteractor::AddTimeOut(_XtAppStruct*, unsigned long, void (*)(void*, unsigned long*), void*)&#39;:<br>
vtkXRenderWindowInteractor.cxx:(.text+0x26b4): undefined reference to `XtAppAddTimeOut&#39;<br>collect2: ld returned 1 exit status<br>make[2]: *** [bin/GraphicsCxxTests] Error 1<br>make[1]: *** [Graphics/Testing/Cxx/CMakeFiles/GraphicsCxxTests.dir/all] Error 2<br>
make: *** [all] Error 2<br><br><br><br>Cheers !<br><br>