diff -Nru dh-ocaml-1.0.8/debian/changelog dh-ocaml-1.0.9~ppa14.04+1/debian/changelog
--- dh-ocaml-1.0.8/debian/changelog	2014-02-01 14:12:53.000000000 +0000
+++ dh-ocaml-1.0.9~ppa14.04+1/debian/changelog	2015-01-20 01:18:22.000000000 +0000
@@ -1,3 +1,16 @@
+dh-ocaml (1.0.9~ppa14.04+1) trusty; urgency=medium
+
+  * Merge new upstream release from Debian Unstable.
+
+ -- Nicolas Derive <kalon33@ubuntu.com>  Tue, 20 Jan 2015 02:17:32 +0100
+
+dh-ocaml (1.0.9) unstable; urgency=medium
+
+  * Add OCAMLBUILD_BEST variable in ocamlvars.mk: 'native' on native
+    architectures and 'byte' otherwise.
+
+ -- Mehdi Dogguy <mehdi@debian.org>  Thu, 08 May 2014 13:27:01 +0200
+
 dh-ocaml (1.0.8) unstable; urgency=medium
 
   [ Ralf Treinen ]
diff -Nru dh-ocaml-1.0.8/share/ocamlvars.mk dh-ocaml-1.0.9~ppa14.04+1/share/ocamlvars.mk
--- dh-ocaml-1.0.8/share/ocamlvars.mk	2012-04-18 09:22:42.000000000 +0000
+++ dh-ocaml-1.0.9~ppa14.04+1/share/ocamlvars.mk	2014-05-08 11:27:01.000000000 +0000
@@ -72,6 +72,10 @@
 # OCAML_BEST will be 'opt' on native architectures and 'byte' otherwise.
 OCAML_BEST ?= $(if $(OCAML_OPT_ARCH),opt,byte)
 
+# OCAMLBUILD_BEST will be 'native' on native architectures and 'byte'
+# otherwise.
+OCAMLBUILD_BEST ?= $(if $(OCAML_OPT_ARCH),native,byte)
+
 # OCAML_RUNTIME and OCAML_RUNTIME_NOX are runtime dependencies needed of
 # bytecode OCaml programs. OCAML_RUNTIME is ocaml-base-$(OCAML_ABI) and
 # OCAML_RUNTIME_NOX is ocaml-base-nox-$(OCAML_ABI).