From c9c7be78dbcd1d39680e95be7e1cd2c7a953c270 Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Mon, 6 Apr 2015 15:26:27 -0700
Subject: [PATCH] mk: Pass the same flags to rustdoc as rustc

This ensures that def ids don't drift too much over time.

Closes #15309
---
 mk/docs.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mk/docs.mk b/mk/docs.mk
index d297055ba9acb..fae1ddd9bff5e 100644
--- a/mk/docs.mk
+++ b/mk/docs.mk
@@ -255,7 +255,7 @@ doc/$(1)/index.html: CFG_COMPILER_HOST_TRIPLE = $(CFG_TARGET)
 doc/$(1)/index.html: $$(LIB_DOC_DEP_$(1)) doc/$(1)/
 	@$$(call E, rustdoc: $$@)
 	$$(Q)CFG_LLVM_LINKAGE_FILE=$$(LLVM_LINKAGE_PATH_$(CFG_BUILD)) \
-		$$(RUSTDOC) --cfg dox --cfg stage2 $$<
+		$$(RUSTDOC) --cfg dox --cfg stage2 $$(RUSTFLAGS_$(1)) $$<
 endef
 
 $(foreach crate,$(DOC_CRATES),$(eval $(call DEF_LIB_DOC,$(crate),DOC_TARGETS)))