1 files changed, 4 insertions, 0 deletions
diff --git a/bin/detect-mcu.sh b/bin/detect-mcu.sh
index 64bce96..761eac1 100755
--- a/bin/detect-mcu.sh
+++ b/bin/detect-mcu.sh
@@ -36,6 +36,10 @@ while [ -n "$TARGET" ]; do
       fi
     fi
   fi
+  # move up one dir
+  # if target doesn't change here, exit to avoid infinite loop
+  FOO="$TARGET"
   TARGET=$(dirname $TARGET)
+  [ "$FOO" = "$TARGET" ] && exit 1
 done