Index: driver/cfa.cc
===================================================================
--- driver/cfa.cc	(revision 74f5c83d14f72ec2c500b54de4c328d2ca0bb5f0)
+++ driver/cfa.cc	(revision 9b34766037fcf6a9e66504724d599e583522b849)
@@ -10,6 +10,6 @@
 // Created On       : Tue Aug 20 13:44:49 2002
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Sat May 30 18:28:23 2020
-// Update Count     : 433
+// Last Modified On : Tue Aug 18 16:40:22 2020
+// Update Count     : 435
 //
 
@@ -435,5 +435,5 @@
 		args[nargs++] = "-Wl,--pop-state";
 		args[nargs++] = "-pthread";
-		#ifdef __x86_64__
+		#if defined(  __x86_64__ ) || defined( __ARM_ARCH )
 		args[nargs++] = "-latomic";						// allow double-wide CAS
 		#endif // __x86_64__