From 8d69414022333a5ba2700c4176e81d56c10d9458 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 3 Nov 2011 21:01:32 +0000
Subject: build/Make: Add support for INCLUDE_BUILD_DIR make variable, to
 specify that component needs to include files from its ObjDir.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143648 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile.rules | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile.rules b/Makefile.rules
index 54c378054b..c0ded8e07a 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -631,6 +631,10 @@ CPP.Flags     += $(sort -I$(PROJ_OBJ_DIR) -I$(PROJ_SRC_DIR) \
 	         $(LLVM_OBJ_ROOT) $(LLVM_SRC_ROOT))) \
 	         $(CPP.BaseFlags)
 
+ifeq ($(INCLUDE_BUILD_DIR),1)
+  CPP.Flags   += -I$(ObjDir)
+endif
+
 # SHOW_DIAGNOSTICS support.
 ifeq ($(SHOW_DIAGNOSTICS),1)
   Compile.Wrapper := env CC_LOG_DIAGNOSTICS=1 \
-- 
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