CMake Warning (dev) at packages/Geant4GM/CMakeLists.txt:20 (link_directories):
  This command specifies the relative path

    GEANT4_LIBRARY_DIR-NOTFOUND

  as a link directory.

  Policy CMP0015 is not set: link_directories() treats paths relative to the
  source dir.  Run "cmake --help-policy CMP0015" for policy details.  Use the
  cmake_policy command to set the policy and suppress this warning.
This warning is for project developers.  Use -Wno-dev to suppress it.

[ 35%] Built target XmlVGM
Scanning dependencies of target Geant4GM
[ 36%] Building CXX object packages/Geant4GM/CMakeFiles/Geant4GM.dir/source/materials/Element.cxx.o
/disk/user/bianco/ext_jan12_32/jan12/transport/vgm/packages/Geant4GM/source/materials/Element.cxx:26:24: error: G4Element.hh: No such file or directory