Index: libcfa/src/iostream.cfa
===================================================================
--- libcfa/src/iostream.cfa	(revision fe68bdff3d53f8717a5ad1f9a58b58df7db71d0f)
+++ libcfa/src/iostream.cfa	(revision cadec252fb976dc6b34a5656cac9e30b1c79ca99)
@@ -10,6 +10,6 @@
 // Created On       : Wed May 27 17:56:53 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Jul 15 13:47:48 2020
-// Update Count     : 1101
+// Last Modified On : Thu Jul 16 07:43:31 2020
+// Update Count     : 1102
 //
 
@@ -970,4 +970,5 @@
 	} // ?|?
 
+#if defined( __SIZEOF_INT128__ )
 	istype & ?|?( istype & is, int128 & i128 ) {
 		return (istype &)(is | (unsigned int128 &)i128);
@@ -989,4 +990,5 @@
 		return is;
 	} // ?|?
+#endif // __SIZEOF_INT128__
 
 	istype & ?|?( istype & is, float & f ) {
Index: libcfa/src/iostream.hfa
===================================================================
--- libcfa/src/iostream.hfa	(revision fe68bdff3d53f8717a5ad1f9a58b58df7db71d0f)
+++ libcfa/src/iostream.hfa	(revision cadec252fb976dc6b34a5656cac9e30b1c79ca99)
@@ -10,6 +10,6 @@
 // Created On       : Wed May 27 17:56:53 2015
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Jul 14 09:24:11 2020
-// Update Count     : 347
+// Last Modified On : Thu Jul 16 07:43:32 2020
+// Update Count     : 348
 //
 
@@ -318,6 +318,8 @@
 	istype & ?|?( istype &, long long int & );
 	istype & ?|?( istype &, unsigned long long int & );
+#if defined( __SIZEOF_INT128__ )
 	istype & ?|?( istype &, int128 & );
 	istype & ?|?( istype &, unsigned int128 & );
+#endif // __SIZEOF_INT128__
 
 	istype & ?|?( istype &, float & );