BUG: Make sure that X is used only if VTK_USE_X is true
BUG: Make sure that X is used only if VTK_USE_X is true

daviddoria/PointGraphsPhase1,naucoin/VTKSlicerWidgets,naucoin/VTKSlicerWidgets,spthaolt/VTK,candy7393/VTK,candy7393/VTK,demarle/VTK,jmerkow/VTK,aashish24/VTK-old,jeffbaumes/jeffbaumes-vtk,cjh1/VTK,jmerkow/VTK,Wuteyan/VTK,aashish24/VTK-old,cjh1/VTK,collects/VTK,collects/VTK,demarle/VTK,cjh1/VTK,arnaudgelas/VTK,naucoin/VTKSlicerWidgets,daviddoria/PointGraphsPhase1,mspark93/VTK,Wuteyan/VTK,hendradarwin/VTK,keithroe/vtkoptix,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,ashray/VTK-EVM,collects/VTK,gram526/VTK,demarle/VTK,johnkit/vtk-dev,sumedhasingla/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,arnaudgelas/VTK,demarle/VTK,jmerkow/VTK,johnkit/vtk-dev,biddisco/VTK,msmolens/VTK,spthaolt/VTK,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,hendradarwin/VTK,ashray/VTK-EVM,spthaolt/VTK,gram526/VTK,arnaudgelas/VTK,hendradarwin/VTK,msmolens/VTK,sankhesh/VTK,msmolens/VTK,aashish24/VTK-old,biddisco/VTK,msmolens/VTK,jeffbaumes/jeffbaumes-vtk,demarle/VTK,sankhesh/VTK,spthaolt/VTK,mspark93/VTK,naucoin/VTKSlicerWidgets,keithroe/vtkoptix,spthaolt/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,sumedhasingla/VTK,jeffbaumes/jeffbaumes-vtk,spthaolt/VTK,johnkit/vtk-dev,keithroe/vtkoptix,gram526/VTK,johnkit/vtk-dev,msmolens/VTK,msmolens/VTK,aashish24/VTK-old,sankhesh/VTK,jeffbaumes/jeffbaumes-vtk,SimVascular/VTK,arnaudgelas/VTK,keithroe/vtkoptix,berendkleinhaneveld/VTK,johnkit/vtk-dev,SimVascular/VTK,hendradarwin/VTK,gram526/VTK,SimVascular/VTK,collects/VTK,jmerkow/VTK,ashray/VTK-EVM,spthaolt/VTK,Wuteyan/VTK,mspark93/VTK,sumedhasingla/VTK,sumedhasingla/VTK,Wuteyan/VTK,mspark93/VTK,Wuteyan/VTK,jeffbaumes/jeffbaumes-vtk,biddisco/VTK,candy7393/VTK,johnkit/vtk-dev,gram526/VTK,keithroe/vtkoptix,candy7393/VTK,candy7393/VTK,SimVascular/VTK,jmerkow/VTK,sumedhasingla/VTK,daviddoria/PointGraphsPhase1,biddisco/VTK,SimVascular/VTK,arnaudgelas/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,hendradarwin/VTK,msmolens/VTK,aashish24/VTK-old,cjh1/VTK,berendkleinhaneveld/VTK,demarle/VTK,candy7393/VTK,demarle/VTK,hendradarwin/VTK,ashray/VTK-EVM,daviddoria/PointGraphsPhase1,mspark93/VTK,demarle/VTK,sankhesh/VTK,mspark93/VTK,sankhesh/VTK,naucoin/VTKSlicerWidgets,keithroe/vtkoptix,ashray/VTK-EVM,arnaudgelas/VTK,aashish24/VTK-old,Wuteyan/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,biddisco/VTK,cjh1/VTK,cjh1/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,mspark93/VTK,jmerkow/VTK,msmolens/VTK,jmerkow/VTK,keithroe/vtkoptix,Wuteyan/VTK,sankhesh/VTK,gram526/VTK,sumedhasingla/VTK,candy7393/VTK,collects/VTK,mspark93/VTK,collects/VTK,hendradarwin/VTK,johnkit/vtk-dev,biddisco/VTK,jmerkow/VTK,SimVascular/VTK,ashray/VTK-EVM,biddisco/VTK,SimVascular/VTK,gram526/VTK,naucoin/VTKSlicerWidgets,candy7393/VTK,berendkleinhaneveld/VTK,gram526/VTK,keithroe/vtkoptix