From 501ebdf28666b3142a27c4b4fe6b76a159564ffd Mon Sep 17 00:00:00 2001
From: Stephen Warren <swarren@nvidia.com>
Date: Wed, 24 Jul 2013 10:09:16 -0700
Subject: Validate dtc is new enough

Subsequent patches assume that dtc supports various recent features.
These are available in dtc 1.4.0. Validate that dtc is at least that
version.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
---
 tools/dtc-version.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 tools/dtc-version.sh

(limited to 'tools')

diff --git a/tools/dtc-version.sh b/tools/dtc-version.sh
new file mode 100755
index 0000000..e8c94d3
--- /dev/null
+++ b/tools/dtc-version.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# dtc-version dtc-command
+#
+# Prints the dtc version of `dtc-command' in a canonical 4-digit form
+# such as `0222' for binutils 2.22
+#
+
+dtc="$*"
+
+if [ ${#dtc} -eq 0 ]; then
+	echo "Error: No dtc command specified."
+	printf "Usage:\n\t$0 <dtc-command>\n"
+	exit 1
+fi
+
+MAJOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 1)
+MINOR=$($dtc -v | head -1 | awk '{print $NF}' | cut -d . -f 2)
+
+printf "%02d%02d\\n" $MAJOR $MINOR
-- 
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