--- a/src/compiler/generic/parms.lisp
+++ b/src/compiler/generic/parms.lisp
@@ -170,6 +170,10 @@
     #!+sb-thread *free-tls-index*
     #!+sb-thread *tls-index-lock*
 
+    ;; dynamic runtime linking support
+    #!+sb-dynamic-core *required-runtime-c-symbols*
+    sb!kernel::*gc-epoch*
+
     ;; Dispatch tables for generic array access
     sb!impl::%%data-vector-reffers%%
     sb!impl::%%data-vector-reffers/check-bounds%%