[U-Boot] [PATCH v2 2/4] build/mkconfig: Add EXTRA_OPTS argument to make to modify build

[Matthew McClintock]

Allow users to pass in extra defines via make so they can
modify the build. Example

make P1022DS EXTRA_OPTS=NAND

is equivalent to

make P1022DS_NAND

Signed-off-by: Matthew McClintock <msm at freescale.com>
---
v2: Fix tab indention, fix posix compliance

 mkconfig |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/mkconfig b/mkconfig
index 6ff533f..bc6ce06 100755
--- a/mkconfig
+++ b/mkconfig
@@ -81,6 +81,12 @@ if [ "${ARCH}" -a "${ARCH}" != "${arch}" ]; then
 	exit 1
 fi
 
+if [ -z "${options}" ] ; then
+	options=$EXTRA_OPTS
+else
+	options="$options,$EXTRA_OPTS"
+fi
+
 if [ "$options" ] ; then
 	echo "Configuring for ${BOARD_NAME} - Board: ${CONFIG_NAME}, Options: ${options}"
 else
@@ -146,7 +152,7 @@ else
 	> config.h		# Create new config file
 fi
 echo "/* Automatically generated - do not edit */" >>config.h
-
+TARGETS+=`echo $EXTRA_OPTS | tr ',' ' '`
 for i in ${TARGETS} ; do
 	i="`echo ${i} | sed '/=/ {s/=/\t/;q } ; { s/$/\t1/ }'`"
 	echo "#define CONFIG_${i}" >>config.h ;
-- 
1.7.5