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authorChristian Marangi <ansuelsmth@gmail.com>2022-07-04 18:22:18 +0200
committerChristian Marangi <ansuelsmth@gmail.com>2022-07-24 19:53:44 +0200
commitf4dd18ca39c42a324e34633c8ee553717531bc3b (patch)
tree1d3cf18a30063a1be9a56252c4fefd9eb623114d
parent53c293262fce844c8291ab82e6726a8489d3c57b (diff)
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scripts: ext-toolchain: add option to overwrite config
It can be useful to overwrite an already generated config. Option are simply added at the end of the config and make defconfig will overwrite the relevant option with the new one. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
-rwxr-xr-xscripts/ext-toolchain.sh22
1 files changed, 18 insertions, 4 deletions
diff --git a/scripts/ext-toolchain.sh b/scripts/ext-toolchain.sh
index b52f170b32..c9ceb150c1 100755
--- a/scripts/ext-toolchain.sh
+++ b/scripts/ext-toolchain.sh
@@ -50,6 +50,7 @@ BIN_SPECS="
gdbserver: gdbserver
"
+OVERWRITE_CONFIG=""
test_c() {
cat <<-EOT | "${CC:-false}" $CFLAGS -o /dev/null -x c - 2>/dev/null
@@ -320,9 +321,13 @@ print_config() {
fi
# bail out if there is a .config already
- if [ -f "${0%/scripts/*}/.config" ]; then
- echo "There already is a .config file, refusing to overwrite!" >&2
- return 1
+ if [ -f "$config" ]; then
+ if [ "$OVERWRITE_CONFIG" == "" ]; then
+ echo "There already is a .config file, refusing to overwrite!" >&2
+ return 1
+ else
+ echo "There already is a .config file, trying to overwrite!"
+ fi
fi
case "$mktarget" in */*)
@@ -330,8 +335,11 @@ print_config() {
mktarget="${mktarget%/*}"
;; esac
+ if [ ! -f "$config" ]; then
+ touch "$config"
+ fi
- echo "CONFIG_TARGET_${mktarget}=y" > "$config"
+ echo "CONFIG_TARGET_${mktarget}=y" >> "$config"
if [ -n "$mksubtarget" ]; then
echo "CONFIG_TARGET_${mktarget}_${mksubtarget}=y" >> "$config"
@@ -532,6 +540,10 @@ while [ -n "$1" ]; do
exit $?
;;
+ --overwrite-config)
+ OVERWRITE_CONFIG=y
+ ;;
+
--config)
if probe_cc; then
print_config "$1"
@@ -573,6 +585,8 @@ while [ -n "$1" ]; do
echo -e " is used to specify C flags to be passed to the " >&2
echo -e " cross compiler when performing tests." >&2
echo -e " This parameter may be repeated multiple times." >&2
+ echo -e " Use --overwrite-config before --config to overwrite" >&2
+ echo -e " an already present config with the required changes.">&2
exit 1
;;