diff --git a/scripts/build b/scripts/build
index bb6f2822ee..a6c4d46985 100755
--- a/scripts/build
+++ b/scripts/build
@@ -20,6 +20,15 @@
 
 . config/options $1
 
+if [ "$1" = "--all" ]; then
+  if [ ! -z "$2" ]; then
+    for build_dir in $(ls -1d ${ROOT}/build.*); do
+      load_build_config ${build_dir} && ./scripts/build $2
+    done
+  fi
+  exit 0
+fi
+
 if [ -z "$1" ]; then
   echo "usage: $0 package_name[:<host|target|init|bootstrap>]"
   exit 1