+#ExclusiveArch: %{ix86} ppc
+#BuildRequires: wxGTK-devel
+# The above is only required for Koji. In mock we _can_ build on
+# x86_64 provided we have the 32 bit libraries required by the next
+# two lines.
+BuildRequires: /usr/include/gnu/stubs-32.h
+BuildRequires: /usr/lib/libwx_baseu-2.8.so
+