diff --git a/devel/ocaml-sdl/files/patch-src_Makefile b/devel/ocaml-sdl/files/patch-src_Makefile
new file mode 100644
index 000000000000..f6c2d2063533
--- /dev/null
+++ b/devel/ocaml-sdl/files/patch-src_Makefile
@@ -0,0 +1,20 @@
+--- src/Makefile.orig	2010-04-19 20:11:04 UTC
++++ src/Makefile
+@@ -17,7 +17,7 @@ gfx_MODULES    = sdlgfx
+ 
+ TARGETS  = sdl.cma $(patsubst %,sdl%.cma,$(PARTS))
+ TARGETS += libsdlstub.$(A) $(patsubst %,libsdl%stub.$(A),$(PARTS))
+-ifdef OCAMLOPT
++ifneq ($(OCAMLOPT),no)
+ TARGETS += sdl.cmxa $(patsubst %,sdl%.cmxa,$(PARTS))
+ endif
+ 
+@@ -87,7 +87,7 @@ ifdef OCAMLFIND
+ install-findlib :
+ 	$(OCAMLFIND) install sdl ../META \
+           *.cma lib*.$(A) *.cmi *.mli \
+-          $(if $(OCAMLOPT),*.cmxa sdl*.$(A) *.cmx) \
++          $(if $(filter-out no,$(OCAMLOPT)),*.cmxa sdl*.$(A) *.cmx) \
+           $(if $(OCAMLMKLIB),dll*.so)
+ ifeq ($(PLATFORM),Apple)
+ 	$(RANLIB) $$($(OCAMLFIND) printconf destdir)/sdl/*.$(A)
diff --git a/devel/ocaml-sdl/files/patch-src_sdlmouse.ml b/devel/ocaml-sdl/files/patch-src_sdlmouse.ml
new file mode 100644
index 000000000000..1690b0937f93
--- /dev/null
+++ b/devel/ocaml-sdl/files/patch-src_sdlmouse.ml
@@ -0,0 +1,17 @@
+--- src/sdlmouse.ml.orig	2011-04-10 15:33:52 UTC
++++ src/sdlmouse.ml
+@@ -49,12 +49,12 @@ external cursor_data : cursor -> cursor_data
+     = "ml_SDL_Cursor_data"
+ 
+ let string_of_bits x =
+-  let s = String.make 8 ' ' in
++  let s = Bytes.make 8 ' ' in
+   for i=0 to 7 do
+     if x land (1 lsl i) <> 0
+     then s.[7-i] <- '@'
+   done ;
+-  s
++  Bytes.to_string s
+ 
+ let pprint_cursor c =
+   let { data = data ; mask = mask } = cursor_data c in