Index: libraries/osx/build-osx-libs.sh
===================================================================
--- libraries/osx/build-osx-libs.sh
+++ libraries/osx/build-osx-libs.sh
@@ -959,6 +959,7 @@
   mkdir -p $INCLUDE_DIR_DEBUG
   cp -R -L dist/include/* $INCLUDE_DIR_DEBUG/
   cp dist/sdk/lib/*.a $INSTALL_DIR/lib
+  cp js/src/*.a $INSTALL_DIR/lib
   popd
   mv moz.build.bak moz.build