diff --git a/scripts/gen-kotlin-build-file.sh b/scripts/gen-kotlin-build-file.sh
new file mode 100755
index 0000000..f077a0c
--- /dev/null
+++ b/scripts/gen-kotlin-build-file.sh
@@ -0,0 +1,60 @@
+#!/bin/bash -e
+
+# Copyright 2018 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Generates kotlinc module xml file to standard output based on rsp files
+
+if [ -z "$1" ]; then
+  echo "usage: $0 <classpath> <outDir> <rspFiles>..." >&2
+  exit 1
+fi
+
+# Classpath variable has a tendency to be prefixed by "-classpath", remove it.
+if [[ $1 == "-classpath" ]]; then
+  shift
+fi;
+
+classpath=$1
+out_dir=$2
+shift 2
+
+# Path in the build file are relative to the build file, we need to make them absolute.
+prefix=`pwd`
+
+# Print preamble
+echo "<modules><module name=\"name\" type=\"java-production\" outputDir=\"${out_dir}\">"
+
+# Print classpath entries
+for file in $(echo $classpath | tr ":" "\n"); do
+  echo "  <classpath path=\"${prefix}/${file}\"/>"
+done
+
+# For each rsp file, print source entries
+while (( "$#" )); do
+  for file in $(cat $1); do
+    if [[ $file == *.java ]]; then
+      echo "  <javaSourceRoots path=\"${prefix}/${file}\"/>"
+    elif [[ $file == *.kt ]]; then
+      echo "  <sources path=\"${prefix}/${file}\"/>"
+    else
+      echo "Unknown source file type ${file}"
+      exit 1
+    fi
+  done
+
+  shift
+done
+
+echo "</module></modules>"