From a37814faa7689fd0c8ddf9000bb9556888ea2d63 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 10 May 2015 11:46:45 +0000
Subject: [PATCH] build: make device-tree arg optional in mkits.sh

mkits.sh help currently shows dtb file as optional, but generates an
invalid its file when this option is unspecified.

We're fixing this problem by removing the use of the sed command and
just including variables instead.

Signed-off-by: Mathieu Olivari <mathieu@qca.qualcomm.com>

SVN-Revision: 45659
---
 scripts/mkits.sh | 40 +++++++++++++++++++++-------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/scripts/mkits.sh b/scripts/mkits.sh
index c360c73a56..6b5100e1a2 100755
--- a/scripts/mkits.sh
+++ b/scripts/mkits.sh
@@ -55,6 +55,25 @@ fi
 
 ARCH_UPPER=`echo $ARCH | tr '[:lower:]' '[:upper:]'`
 
+# Conditionally create fdt information
+if [ -n "${DTB}" ]; then
+	FDT="
+		fdt@1 {
+			description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
+			data = /incbin/(\"${DTB}\");
+			type = \"flat_dt\";
+			arch = \"${ARCH}\";
+			compression = \"none\";
+			hash@1 {
+				algo = \"crc32\";
+			};
+			hash@2 {
+				algo = \"sha1\";
+			};
+		};
+"
+fi
+
 # Create a default, fully populated DTS file
 DATA="/dts-v1/;
 
@@ -80,19 +99,8 @@ DATA="/dts-v1/;
 			};
 		};
 
-		fdt@1 {
-			description = \"${ARCH_UPPER} OpenWrt ${DEVICE} device tree blob\";
-			data = /incbin/(\"${DTB}\");
-			type = \"flat_dt\";
-			arch = \"${ARCH}\";
-			compression = \"none\";
-			hash@1 {
-				algo = \"crc32\";
-			};
-			hash@2 {
-				algo = \"sha1\";
-			};
-		};
+${FDT}
+
 	};
 
 	configurations {
@@ -105,11 +113,5 @@ DATA="/dts-v1/;
 	};
 };"
 
-# Conditionally strip fdt information out of tree
-if [ -z "${DTB}" ]; then
-	DATA=`echo "$DATA" | sed '/start fdt/,/end fdt/d'`
-	DATA=`echo "$DATA" | sed '/fdt/d'`
-fi
-
 # Write .its file to disk
 echo "$DATA" > ${OUTPUT}