--- eccodes-2.18.0-Source.unchanged/fortran/CMakeLists.txt	2020-06-24 11:11:27.000000000 +0200
+++ eccodes-2.18.0-Source/fortran/CMakeLists.txt	2020-06-27 09:23:33.020376062 +0200
@@ -45,7 +45,9 @@ if( HAVE_FORTRAN )
     ecbuild_add_library( TARGET     eccodes_f90
                          SOURCES    grib_fortran.c grib_f90.f90 eccodes_f90.f90 grib_kinds.h
                          GENERATED  grib_f90.f90 eccodes_f90.f90
-                         LIBS       eccodes )
+                         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!
         target_include_directories( eccodes_f90 PUBLIC $<INSTALL_INTERFACE:${INSTALL_INCLUDE_DIR}> )
--- eccodes-2.18.0-Source.unchanged/src/CMakeLists.txt	2020-06-24 11:11:27.000000000 +0200
+++ eccodes-2.18.0-Source/src/CMakeLists.txt	2020-06-27 09:27:13.845630950 +0200
@@ -442,6 +442,7 @@ ecbuild_add_library( TARGET    eccodes
                      GENERATED grib_api_version.c
                      LIBS      ${ECCODES_EXTRA_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${CMATH_LIBRARIES}
                      TEMPLATES ${grib_api_extra_srcs}
+		     SOVERSION ${ECCODES_SOVERSION}
                      INSTALL_HEADERS_LIST
                               grib_api.h
                               eccodes.h