FreeCAD relies on smesh. In earlier versions of smesh SALOME_USE_64BIT_IDS was not set and therefor 32bit ids were used.
To solve this FreeCAD needs to know if smesh was compiled with SALOME_USE_64BIT_IDS set or not. So somehow this information must be passed to the Freecad-build process.
Issue description
FreeCAD relies on smesh. In earlier versions of smesh SALOME_USE_64BIT_IDS was not set and therefor 32bit ids were used. To solve this FreeCAD needs to know if smesh was compiled with SALOME_USE_64BIT_IDS set or not. So somehow this information must be passed to the Freecad-build process.