--- a/configure
+++ b/configure
@@ -39234,11 +39234,7 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
-if test "$ac_cv_sizeof_struct_iovec" = "0"; then
-    have_iovec=0
-else
-    have_iovec=1
-fi
+have_iovec=1