From 0fd37b82f64a72f5e52d11fc1895827551ff5f59 Mon Sep 17 00:00:00 2001
From: Allen Martin <amartin@nvidia.com>
Date: Fri, 31 Aug 2012 08:30:05 +0000
Subject: [PATCH] mkconfig: remove bashisms and cleanup config.mk generation

This adds some cleanup to mkconfig related to SPL support.  Bash
specific script has been replaced with awk for better shell
compatibility.  config.mk generation is done through a subshell and
single redirect to improve readability.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---
 mkconfig | 38 +++++++++++++++++---------------------
 1 file changed, 17 insertions(+), 21 deletions(-)

diff --git a/mkconfig b/mkconfig
index 9e1a7e64cc..d3363c6df3 100755
--- a/mkconfig
+++ b/mkconfig
@@ -59,12 +59,8 @@ CONFIG_NAME="${1%_config}"
 [ "${BOARD_NAME}" ] || BOARD_NAME="${1%_config}"
 
 arch="$2"
-cpu="$3"
-tmp="${cpu#*:}"
-if [ "$tmp" != "$cpu" ] ; then
-	spl_cpu=$tmp
-	cpu="${cpu%:*}"
-fi
+cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $1}'`
+spl_cpu=`echo $3 | awk 'BEGIN {FS = ":"} ; {print $2}'`
 if [ "$4" = "-" ] ; then
 	board=${BOARD_NAME}
 else
@@ -135,21 +131,21 @@ fi
 #
 # Create include file for Make
 #
-echo "ARCH   = ${arch}"  >  config.mk
-if [ ! -z "$spl_cpu" ] ; then
-	echo 'ifeq ($(CONFIG_SPL_BUILD),y)' >> config.mk
-	echo "CPU    = ${spl_cpu}" >> config.mk
-	echo "else" >> config.mk
-	echo "CPU    = ${cpu}"   >> config.mk
-	echo "endif" >> config.mk
-else
-	echo "CPU    = ${cpu}"   >> config.mk
-fi
-echo "BOARD  = ${board}" >> config.mk
-
-[ "${vendor}" ] && echo "VENDOR = ${vendor}" >> config.mk
-
-[ "${soc}"    ] && echo "SOC    = ${soc}"    >> config.mk
+( echo "ARCH   = ${arch}"
+    if [ ! -z "$spl_cpu" ] ; then
+	echo 'ifeq ($(CONFIG_SPL_BUILD),y)'
+	echo "CPU    = ${spl_cpu}"
+	echo "else"
+	echo "CPU    = ${cpu}"
+	echo "endif"
+    else
+	echo "CPU    = ${cpu}"
+    fi
+    echo "BOARD  = ${board}"
+
+    [ "${vendor}" ] && echo "VENDOR = ${vendor}"
+    [ "${soc}"    ] && echo "SOC    = ${soc}"
+    exit 0 ) > config.mk
 
 # Assign board directory to BOARDIR variable
 if [ -z "${vendor}" ] ; then
-- 
2.25.1