Index: ../trunk-jpl/m4/issm_options.m4
===================================================================
--- ../trunk-jpl/m4/issm_options.m4	(revision 22551)
+++ ../trunk-jpl/m4/issm_options.m4	(revision 22552)
@@ -1315,6 +1315,7 @@
 	AC_MSG_CHECKING([for scalapack])
 	if test "x$SCALAPACK_ROOT" = "xno" && test "x$SCALAPACKLIB" = "xno"; then
 			HAVE_SCALAPACK=no
+			SCALAPACKLIB=
 	else if test "x$SCALAPACK_ROOT" != "xno"; then
 		if ! test -d "$SCALAPACK_ROOT"; then
 		 AC_MSG_ERROR([scalapack directory provided ($SCALAPACK_ROOT) does not exist]);