linux-kernel - [PATCH] merge_config.sh: Add the ability to perform make with an ARCH

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Date:	Thu, 23 Jul 2015 15:51:21 -0500
From:	Dan Murphy <dmurphy@...com>
To:	<yann.morin.1998@...e.fr>
CC:	<linux-kbuild@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Dan Murphy <dmurphy@...com>
Subject: [PATCH] merge_config.sh: Add the ability to perform make with an ARCH

The script does not allow building for different architectures.
It may assume that the developer has set the ARCH as a global
variable.

Add a switch argument to pass in the desired architecture.
Then verify that that architecture is supported in the arch
directory.

If not exit if it is supported then set it.

Signed-off-by: Dan Murphy <dmurphy@...com>
---
 scripts/kconfig/merge_config.sh | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index ec8e203..bdbff4b 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -19,7 +19,16 @@
 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 #  See the GNU General Public License for more details.
-
+verify_arch() {
+	cd arch
+	for d in * ; do
+		if [ "$d" = "$_TEST_ARCH" ]; then
+			BUILD_ARCH="ARCH="$d
+			break
+		fi
+	done
+	cd ..
+}
 clean_up() {
 	rm -f $TMP_FILE
 	exit
@@ -33,6 +42,7 @@ usage() {
 	echo "  -n    use allnoconfig instead of alldefconfig"
 	echo "  -r    list redundant entries when merging fragments"
 	echo "  -O    dir to put generated output files"
+	echo "  -A    architecture to support for make"
 }
 
 RUNMAKE=true
@@ -71,6 +81,21 @@ while true; do
 		shift 2
 		continue
 		;;
+	"-A")
+		if [ "$2" != "" ]; then
+			_TEST_ARCH=$2
+			verify_arch
+			if [ "$BUILD_ARCH" = "" ]; then
+				echo "ARCH $_TEST_ARCH is not valid" 1>&2
+				exit 1
+			fi
+		else
+			echo "ARCH $_TEST_ARCH is not valid" 1>&2
+			exit 1
+		fi
+		shift 2
+		continue
+		;;
 	*)
 		break
 		;;
@@ -139,7 +164,7 @@ fi
 # Use the merged file as the starting point for:
 # alldefconfig: Fills in any missing symbols with Kconfig default
 # allnoconfig: Fills in any missing symbols with # CONFIG_* is not set
-make KCONFIG_ALLCONFIG=$TMP_FILE $OUTPUT_ARG $ALLTARGET
+make $BUILD_ARCH KCONFIG_ALLCONFIG=$TMP_FILE $OUTPUT_ARG $ALLTARGET
 
 
 # Check all specified config values took (might have missed-dependency issues)
-- 
1.9.1

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