diff --git a/src/configure b/src/configure
index 0967440809476ee16434683bb5230fb64c54f738..964d56694478e880877a3b701f29a32fecb96158 100755
--- a/src/configure
+++ b/src/configure
@@ -484,11 +484,23 @@ export SPLL=spll_new
                 export  VER_MPI=${VER_MPI:-MPIAUTO}
                 export OPTLEVEL=${OPTLEVEL:-DEBUG}
                 export MVWORK=${MVWORK:-NO}
-                export VER_CDF=${VER_CDF:-CDFCTI}
 		export NEED_TOOLS=NO
+		# Ubuntu version
+		case "$(lsb_release -sr)" in
+                      20.04)
+                export VER_CDF=${VER_CDF:-CDFCTI}
+                export MNHENV=${MNHENV:-"
+export SPLL=spll_new
+"}
+                  ;;
+	          22.04)
+                export VER_CDF=${VER_CDF:-CDFAUTO}
                 export MNHENV=${MNHENV:-"
+export PATH=/opt/gcc-9.4.0/bin:\$PATH
 export SPLL=spll_new
 "}
+                 ;;
+		 esac
               ;;
 'Linux nuwa'*)
                 export     ARCH=${ARCH:-LXifort}