Index: src/driver/cfa.cc
===================================================================
--- src/driver/cfa.cc	(revision 857638d4ae266bd7143f436a63478f8420cd1887)
+++ src/driver/cfa.cc	(revision e10537a92aeae4971ee59bb0c7bc9cb43319fc90)
@@ -343,4 +343,8 @@
 		args[nargs] = "--undefined=__cfaabi_interpose_startup";
 		nargs += 1;
+		args[nargs] = "-Xlinker";
+		nargs += 1;
+		args[nargs] = "--undefined=__cfaabi_appready_startup";
+		nargs += 1;
 
 		// include the cfa library in case it's needed