--- /dev/null
+Our compiler will think that os_type = "Win32". Unfortunately in
+the default OCaml this has the negative effect of causing it to
+use '\' character in paths. Since it's really running on a Linux
+kernel, that won't work. This is a quick and dirty fix.
+
+diff --exclude _build -urN ocaml-3.11.0+beta1.orig/stdlib/filename.ml ocaml-3.11.0+beta1.mingw/stdlib/filename.ml
+--- ocaml-3.11.0+beta1.orig/stdlib/filename.ml 2007-01-09 13:42:17.000000000 +0000
++++ ocaml-3.11.0+beta1.mingw/stdlib/filename.ml 2008-11-15 14:34:37.000000000 +0000
+@@ -68,7 +68,7 @@
+ module Win32 = struct
+ let current_dir_name = "."
+ let parent_dir_name = ".."
+- let dir_sep = "\\"
++ let dir_sep = "/"
+ let is_dir_sep s i = let c = s.[i] in c = '/' || c = '\\' || c = ':'
+ let rindex_dir_sep s =
+ let rec pos i =