aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-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
;;