diff -Naru omake-0.9.8.5.orig/OMakefile omake-0.9.8.5/OMakefile
--- omake-0.9.8.5.orig/OMakefile	2007-06-23 04:03:37.000000000 +0900
+++ omake-0.9.8.5/OMakefile	2013-06-09 17:07:54.000000000 +0900
@@ -57,7 +57,7 @@
 #
 # OCaml options
 #
-OCAMLFLAGS[] += -w Ae$(if $(OCAML_ACCEPTS_Z_WARNING), z)
+OCAMLFLAGS[] += -w ae$(if $(OCAML_ACCEPTS_Z_WARNING), z)
 if $(THREADS_ENABLED)
     OCAMLFLAGS += -thread
     export
diff -Naru omake-0.9.8.5.orig/src/exec/omake_exec.ml omake-0.9.8.5/src/exec/omake_exec.ml
--- omake-0.9.8.5.orig/src/exec/omake_exec.ml	2006-12-09 07:52:01.000000000 +0900
+++ omake-0.9.8.5/src/exec/omake_exec.ml	2013-06-09 17:08:10.000000000 +0900
@@ -46,7 +46,7 @@
 open Omake_options
 open Omake_command_type
 
-external sync : unit -> unit = "caml_sync"
+(* external sync : unit -> unit = "caml_sync" *)
 
 module Exec =
 struct