[U-Boot] [PATCH v2] Build: Implement sentinel to pass board options

[Marek Vasut]

With this implementation, the sentinel character in TARGET name is interpreted
as an option and expanded to CONFIG_MK_xxx.

Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
---
v2: Use comma, permit assignment

 boards.cfg |    1 +
 mkconfig   |   10 +++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/boards.cfg b/boards.cfg
index 62bcca8..238b811 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -12,6 +12,7 @@
 #
 #	Lines starting with '#' are comments.
 #	Blank lines are ignored.
+#	Comma is used to specify board options.
 #
 # To keep the list sorted, use something like
 #
diff --git a/mkconfig b/mkconfig
index b661071..be8768c 100755
--- a/mkconfig
+++ b/mkconfig
@@ -43,7 +43,10 @@ done
 [ $# -lt 4 ] && exit 1
 [ $# -gt 6 ] && exit 1
 
-CONFIG_NAME="${1%_config}"
+# The sentinel is used to define board options
+TARGETS="`echo $1 | sed "s/^[^,]*,//" | sed 's:,: :g'` ${TARGETS}"
+
+CONFIG_NAME="`echo ${1%_config} | sed 's/,.*$//g'`"
 
 [ "${BOARD_NAME}" ] || BOARD_NAME="${CONFIG_NAME}"
 
@@ -52,7 +55,7 @@ cpu="$3"
 if [ "$4" = "-" ] ; then
 	board=${BOARD_NAME}
 else
-	board="$4"
+	board="`echo $1 | sed 's/@.*$//g'`"
 fi
 [ $# -gt 4 ] && [ "$5" != "-" ] && vendor="$5"
 [ $# -gt 5 ] && [ "$6" != "-" ] && soc="$6"
@@ -126,7 +129,8 @@ fi
 echo "/* Automatically generated - do not edit */" >>config.h
 
 for i in ${TARGETS} ; do
-	echo "#define CONFIG_MK_${i} 1" >>config.h ;
+	i="`echo ${i} | sed '/=/ {s/=/\t/;q } ; { s/$/\t1/ }'`"
+	echo "#define CONFIG_MK_${i}" >>config.h ;
 done
 
 cat << EOF >> config.h
-- 
1.7.1