--- /dev/null
+#!/bin/sh
+
+mkdir -p "${BUILT_PRODUCTS_DIR}/DerivedSources/JavaScriptCore/docs"
+cd "${BUILT_PRODUCTS_DIR}/DerivedSources/JavaScriptCore"
+
+/bin/ln -sfh "${SRCROOT}/.." JavaScriptCore
+export JavaScriptCore="JavaScriptCore"
+
+make --no-builtin-rules -f "JavaScriptCore/DerivedSources.make" -j `/usr/sbin/sysctl -n hw.ncpu`