Index: share/mk/src.opts.mk
===================================================================
--- share/mk/src.opts.mk
+++ share/mk/src.opts.mk
@@ -326,6 +326,16 @@
 MK_UNBOUND:= no
 .endif
 
+.if ${MK_LLD} == "no"
+MK_LLD_IS_LD:=	no
+.endif
+
+# LLD requires LLVM libraries, and we do not yet yet compare in-tree and host
+# LLD versions to avoid building it if they are identical.
+.if ${MK_LLD_IS_LD} != "no"
+MK_SYSTEM_COMPILER:=	no
+.endif
+
 .if ${MK_SOURCELESS} == "no"
 MK_SOURCELESS_HOST:=	no
 MK_SOURCELESS_UCODE:= no