diff -Nur libtool-1.4.2.orig/libltdl/ltdl.c libtool-1.4.2/libltdl/ltdl.c
--- libtool-1.4.2.orig/libltdl/ltdl.c	Thu Dec 19 15:19:48 2002
+++ libtool-1.4.2/libltdl/ltdl.c	Thu Dec 19 15:58:01 2002
@@ -2847,15 +2847,20 @@
 #endif
 		   )))
 	{
-	  tryall_dlopen (&newhandle, filename);
+	  if (tryall_dlopen (&newhandle, filename) != 0){
+	    LT_DLFREE (*phandle);
+	    ++errors;
+	    goto cleanup;
+	  }
 	}
-
-      if (!newhandle)
-	{
+      else
+        {
 	  LT_DLFREE (*phandle);
 	  ++errors;
 	  goto cleanup;
 	}
+
+      assert (newhandle != NULL);
     }
 
  register_handle: