$OpenBSD: patch-mk_target_mk,v 1.3 2016/01/22 09:03:15 semarie Exp $
https://github.com/rust-lang/rust/pull/30493
--- mk/target.mk.orig	Thu Jan 21 06:06:48 2016
+++ mk/target.mk	Thu Jan 21 06:07:11 2016
@@ -95,7 +95,6 @@ $$(TLIB$(1)_T_$(2)_H_$(3))/stamp.$(4): \
 		$$(RUSTFLAGS_$(4)) \
 		$$(RUSTFLAGS$(1)_$(4)) \
 		$$(RUSTFLAGS$(1)_$(4)_T_$(2)) \
-		$$(STDCPP_LIBDIR_RUSTFLAGS_$(2)) \
 		--out-dir $$(@D) \
 		-C extra-filename=-$$(CFG_FILENAME_EXTRA) \
 		$$<
@@ -129,9 +128,7 @@ $$(TBIN$(1)_T_$(2)_H_$(3))/$(4)$$(X_$(2)): \
 		$$(TSREQ$(1)_T_$(2)_H_$(3)) \
 		| $$(TBIN$(1)_T_$(2)_H_$(3))/
 	@$$(call E, rustc: $$@)
-	$$(STAGE$(1)_T_$(2)_H_$(3)) \
-		$$(STDCPP_LIBDIR_RUSTFLAGS_$(2)) \
-		-o $$@ $$< --cfg $(4)
+	$$(STAGE$(1)_T_$(2)_H_$(3)) -o $$@ $$< --cfg $(4)
 
 endef
 
