diff --git a/ocaml-facile.spec b/ocaml-facile.spec
index 374e0be..bc3a225 100644
--- a/ocaml-facile.spec
+++ b/ocaml-facile.spec
@@ -2,14 +2,9 @@
 %define debug_package %{nil}
 %define _default_patch_fuzz 2
 
-%if 0%{?fedora} < 9
-# no ocaml (#438562)
-ExcludeArch: ppc64
-%endif
-
 Name:          ocaml-facile
 Version:       1.1
-Release:       14%{?dist}
+Release:       15%{?dist}
 Summary:       OCaml library for constraint programming
 Summary(fr):   Librairie OCaml de programmation par contraintes
 
@@ -22,17 +17,11 @@ Source0:       http://www.recherche.enac.fr/log/facile/distrib/facile-1.1.tar.gz
 # * install .mli files
 Patch0:        facile-1.1-makefile-fixes.patch
 BuildRoot:     %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-ExcludeArch:    sparc64 s390 s390x
+ExclusiveArch: %{ocaml_arches}
 
 BuildRequires: ocaml >= 3.02
 BuildRequires: ocaml-findlib-devel
 
-%if 0%{?fedora} < 13
-%define _use_internal_dependency_generator 0
-%define __find_requires /usr/lib/rpm/ocaml-find-requires.sh
-%define __find_provides /usr/lib/rpm/ocaml-find-provides.sh
-%endif
-
 %description
 FaCiLe is a constraint programming library on integer and integer set finite
 domains written in OCaml. It offers all usual facilities to create and
@@ -115,6 +104,11 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/ocaml/facile/*.mli
 
 %changelog
+* Sat Jan 07 2012 Kevin Kofler <Kevin@tigcc.ticalc.org> - 1.1-15
+- Rebuild for OCaml 3.12.1
+- Drop obsolete conditionals
+- Use ocaml_arches macro instead of hardcoded ExcludeArch
+
 * Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.1-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild