[Nektar-users] Calling Fortran modules in compressible flow solver

Hi all, I am planning to call an external Fortran module in the compressible flow solver of Nektar++ 4.4.1. Could you please guide me about how I should modify the make (CMakeLists.txt) files? Basically, I have Fortran subroutines that allow me to compute temperature for non-constant heat capacities, so I want to use them. Thanks in advance, Aidyn