ENH change __MACH__ to __APPLE_CC__ for mac compatibility
ENH change __MACH__ to __APPLE_CC__ for mac compatibility

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