From 128e69f9e5607ea15bcfa96f3e982901ccc4496d Mon Sep 17 00:00:00 2001
From: "Ithamar R. Adema" <ithamar@upgrade-android.com>
Date: Fri, 31 Oct 2014 10:57:07 +0100
Subject: [PATCH] CompileDTS: use preprocessor on .dts files

Recent linux behaviour (and also copied by BSD) is to preprocess
DTS files with the C preprpocessor to enable sharing constants between
driver implementation and DTS content for more readability.
---
 build/jam/MainBuildRules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/jam/MainBuildRules b/build/jam/MainBuildRules
index b8c63b5b19..00a0c613c1 100644
--- a/build/jam/MainBuildRules
+++ b/build/jam/MainBuildRules
@@ -192,7 +192,7 @@ rule CompileDTS
 
 actions CompileDTS
 {
-	dtc -O dtb -o $(1) $(2);
+	cpp -P -xassembler-with-cpp -I$(HAIKU_TOP)/src/data/dts/ $(2) | dtc -O dtb -o $(1) -i $(HAIKU_TOP)/src/data/dts ;
 }
 
 rule Ld