ENH: better display of GDAL checks

Modules/ThirdParty/GDAL/otb-module-init.cmake

@@ -197,10 +197,17 @@ if(GDAL_CONFIG_CHECKING)
   endif()
   message(STATUS "  Version : ${GDAL_VERSION}")
   message(STATUS "  Drivers for JPEG 2000 : ")
-  message(STATUS "    Jasper : ${GDAL_HAS_J2K_JG2000}")
-  message(STATUS "    OpenJPEG : ${GDAL_HAS_J2K_OPJG}")
-  message(STATUS "    Kakadu : ${GDAL_HAS_J2K_KAK}")
-  message(STATUS "    ECW : ${GDAL_HAS_J2K_ECW}")
-
+  if(GDAL_HAS_J2K_JG2000)
+    message(STATUS "    Jasper (will not be used)")
+  endif()
+  if(GDAL_HAS_J2K_OPJG)
+    message(STATUS "    OpenJPEG")
+  endif()
+  if(GDAL_HAS_J2K_KAK)
+    message(STATUS "    Kakadu")
+  endif()
+  if(GDAL_HAS_J2K_ECW)
+    message(STATUS "    ECW")
+  endif()
 
 endif() #GDAL_CONFIG_CHECKING