target_sources(
  Espresso_core
  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/bmhtf-nacl.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/buckingham.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/gaussian.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/gay_berne.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/hat.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/hertzian.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/ljcos2.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/ljcos.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/lj.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/ljgen.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/morse.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/nonbonded_interaction_data.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/nonbonded_tab.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/soft_sphere.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/smooth_step.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/thole.cpp
          ${CMAKE_CURRENT_SOURCE_DIR}/wca.cpp)
