Index: share/mk/bsd.linker.mk
===================================================================
--- share/mk/bsd.linker.mk
+++ share/mk/bsd.linker.mk
@@ -12,7 +12,9 @@
 # LINKER_FEATURES may contain one or more of the following, based on
 # linker support for that feature:
 #
-# - build-id : support for generating a Build-ID note
+# - build-id:     support for generating a Build-ID note
+# - retpolineplt: support for generating PLT with retpoline speculative
+#                 execution vulnerability mitigation
 #
 # These variables with an X_ prefix will also be provided if XLD is set.
 #
@@ -70,6 +72,9 @@
 .if ${${X_}LINKER_TYPE} != "bfd" || ${${X_}LINKER_VERSION} > 21750
 ${X_}LINKER_FEATURES+=	build-id
 .endif
+.if ${${X_}LINKER_TYPE} == "lld" && ${${X_}LINKER_VERSION} >= 60000
+${X_}LINKER_FEATURES+=	retpoline
+.endif
 .endif
 .else
 # Use LD's values