set(GEOPACK_TRACING_SOURCES
  ${CMAKE_CURRENT_SOURCE_DIR}/converttracecoords.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/fieldlinedist.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/fieldlinemidpoint.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/fieldliner.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/fieldlinernorm.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/getmagequatorfp.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/latlonlt.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/tracefield.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/tracefieldline.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/tracefootprints.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/calculatehalpha.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/trace.cc
  ${CMAKE_CURRENT_SOURCE_DIR}/interptraceclosestpos.cc
  PARENT_SCOPE
)
