--- eccodes-2.20.0-Source.unchanged/fortran/CMakeLists.txt	2021-01-20 13:18:04.000000000 +0100
+++ eccodes-2.20.0-Source/fortran/CMakeLists.txt	2021-01-23 17:35:32.042141813 +0100
@@ -49,7 +49,8 @@ if( HAVE_FORTRAN )
                          GENERATED       grib_f90.f90 eccodes_f90.f90
                          PUBLIC_INCLUDES $<BUILD_INTERFACE:${CMAKE_Fortran_MODULE_DIRECTORY}>
                                          $<INSTALL_INTERFACE:${INSTALL_INCLUDE_DIR}>
-                         PRIVATE_LIBS    eccodes )
+                         PRIVATE_LIBS    eccodes
+                         SOVERSION       ${ECCODES_SOVERSION_F90})
 
     if( DEFINED ecbuild_VERSION AND NOT ${ecbuild_VERSION} VERSION_LESS 3.1 )
         # Installed module directory is not in the PUBLIC INCLUDES!
--- eccodes-2.20.0-Source.unchanged/src/CMakeLists.txt	2021-01-20 13:18:04.000000000 +0100
+++ eccodes-2.20.0-Source/src/CMakeLists.txt	2021-01-23 17:35:32.043141787 +0100
@@ -445,6 +445,7 @@ ecbuild_add_library( TARGET    eccodes
                      PRIVATE_LIBS ${ECCODES_EXTRA_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${AEC_LIBRARIES} ${PNG_LIBRARIES}
                      PUBLIC_LIBS  ${CMATH_LIBRARIES} ${THREADS_LIBRARIES}
                      TEMPLATES ${grib_api_extra_srcs}
+		     SOVERSION ${ECCODES_SOVERSION}
                      INSTALL_HEADERS_LIST
                               grib_api.h
                               eccodes.h