[PATCH v2 1/2] MAKEALL: support direct options for KCONFIG_ADD

[Ahmad Fatoum]

KCONFIG_ADD currently expects a list of files to be merged.
As MAKEALL is a bash script, let's make use of process substitution
to create temporary files out of -k CONFIG_foo=bar options.

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
v1 -> v2:
  - fix Regex (Sascha)
---
 MAKEALL | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/MAKEALL b/MAKEALL
index 1966eedb4673..bc612b45561f 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -56,7 +56,7 @@ usage() {
 	echo "BUILDDIR    -O      build dir"
 	echo "LOGDIR      -l      log dir"
 	echo "REGEX       -e      regex"
-	echo "KCONFIG_ADD -k      kconfig fragment"
+	echo "KCONFIG_ADD -k      kconfig fragment or option"
 	echo "TARGET      -t      Makefile target"
 	echo "V           -v      verbosity"
 	echo "INCREMENTAL -i"
@@ -116,6 +116,11 @@ report() {
 	fi
 }
 
+merge_config() {
+	with_logs_collected ./scripts/kconfig/merge_config.sh -m -O \
+		${BUILDDIR} "$@"
+}
+
 do_build_defconfig() {
 	local arch=$1
 	local defconfig=$2
@@ -156,8 +161,11 @@ do_build_defconfig() {
 	MAKE="${MAKE} $silent_flag CROSS_COMPILE=${cross_compile}"
 	with_logs_collected ${MAKE} ${defconfig}
 	for i in ${KCONFIG_ADD}; do
-		with_logs_collected ./scripts/kconfig/merge_config.sh -m -O \
-			${BUILDDIR} ${BUILDDIR}/.config $i
+		if [[ $i =~ ^CONFIG_.*=.* ]]; then
+			merge_config ${BUILDDIR}/.config <(echo $i)
+		else
+			merge_config ${BUILDDIR}/.config $i
+		fi
 	done
 	with_logs_collected ${MAKE} $silent_flag olddefconfig
 
-- 
2.39.5