cd $G4INSTALL/source/particles/management
gmake
cd $G4INSTALL/source/particles/leptons
gmake
cd $G4INSTALL/source/run/
gmake
cd $G4INSTALL/source/geometry/magneticfield/
gmake
cd $G4INSTALL/source/track/
gmake
cd $G4INSTALL/source/tracking/
gmake
cd $G4INSTALL/source/processes/management/
gmake
cd $G4INSTALL/source/processes/decay/
gmake
cd $wlem
gmake