+#
+# Conditional build:
+%bcond_without ocaml_opt # skip building native optimized binaries (bytecode is always built)
+
+# not yet available on x32 (ocaml 4.02.1), update when upstream will support it
+%ifnarch %{ix86} %{x8664} %{arm} aarch64 ppc sparc sparcv9
+%undefine with_ocaml_opt
+%endif
+
+%if %{without ocaml_opt}
+%define _enable_debug_packages 0
+%endif
+