Index: driver/cfa.cc
===================================================================
--- driver/cfa.cc	(revision 09f34a84d91d0f6c3dcd80079886a3a4dd8e7ec7)
+++ driver/cfa.cc	(revision 692c1cc34a498a7e67b3530da9dae4fecc12439c)
@@ -10,6 +10,6 @@
 // Created On       : Tue Aug 20 13:44:49 2002
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Wed Jul 14 21:55:12 2021
-// Update Count     : 467
+// Last Modified On : Tue Feb 14 22:46:38 2023
+// Update Count     : 470
 //
 
@@ -444,4 +444,5 @@
 
 	args[nargs++] = "-fexceptions";						// add exception flags (unconditionally)
+	args[nargs++] = "-D_GNU_SOURCE";					// force gnu libraries
 
 	// add flags based on the type of compile