include(ExternalProject)#For PETSc, MED and MEDCoupling
+set(Python_ROOT_DIR $ENV{PYTHON_ROOT_DIR} )
+set(PARAVIEW_ROOT_DIR $ENV{PARAVIEW_ROOT_DIR} )
+set(MATPLOTLIB_ROOT_DIR $ENV{MATPLOTLIB_ROOT_DIR} )
+set(HDF5_ROOT_DIR $ENV{HDF5_ROOT_DIR} )
+
+
######################################################
# Detection or compilation of PETSc+SLEPc+HDF5 #
######################################################