Index: ocamlsdl-0.9.1/src/Makefile
===================================================================
--- ocamlsdl-0.9.1.orig/src/Makefile
+++ ocamlsdl-0.9.1/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 $(OCAMLOPT),no),*.cmxa sdl*.$(A) *.cmx) \
           $(if $(OCAMLMKLIB),dll*.so)
 ifeq ($(PLATFORM),Apple)
 	$(RANLIB) $$($(OCAMLFIND) printconf destdir)/sdl/*.$(A)