--- firedrake/setup.py.orig	2017-04-21 17:04:48.554347140 -0400
+++ firedrake/setup.py	2017-04-21 23:09:34.794283607 -0400
@@ -73,4 +73,5 @@
       url="http://firedrakeproject.org",
       packages=["firedrake", "firedrake.mg", "firedrake.slope_limiter",
+                "firedrake.slate","firedrake.slate.slac",
                 "firedrake.matrix_free", "firedrake_configuration"],
       package_data={"firedrake": ["firedrake_geometry.h",
@@ -98,4 +99,5 @@
                                            "%s/include" % sys.prefix],
                              libraries=["spatialindex_c"],
+                             language="c++",
                              extra_link_args=["-L%s/lib" % sys.prefix,
                                               "-Wl,-rpath,%s/lib" % sys.prefix]),