--- Makefile.orig	2011-11-14 14:50:40.483070287 -0500
+++ Makefile	2011-11-14 15:21:09.196016721 -0500
@@ -119,13 +119,20 @@
            $(wildcard test/*.ml) $(wildcard ocamlgsl.info*)
 VERSION := 0.6.0
 
-all : stubs gsl.cma gsl.cmxa $(CMI)
-
+all-byte: stubs-byte gsl.cma $(CMI)
+ 
+all-opt: all-byte stubs-opt gsl.cmxa $(CMI)
+
+all: all-opt
+ 
+stubs-opt: libmlgsl.$(A) 
+stubs-byte:
 STUBS = libmlgsl.$(A)
+
 ifdef DYNAMIC_LINKING
 STUBS += dllmlgsl.$(D)
+stubs-byte: dllmlgsl.$(D)
 endif
-stubs : $(STUBS)
 
 libmlgsl.$(A) : $(SOBJ)
 	$(call MKLIB,mlgsl,$^)
@@ -147,10 +154,16 @@
 top : libmlgsl.$(A) gsl.cma
 	ocamlmktop -I . -o ocamlgsl$(EXE) bigarray.cma gsl.cma
 
-install : all
+install-opt : all
 	$(OCAMLFIND) install gsl META \
           libmlgsl.$(A) dllmlgsl.$(D) gsl.cma gsl.cmxa gsl.$(A) $(CMI) $(MLOPTOBJ) 
 
+install-byte : all-byte
+	$(OCAMLFIND) install gsl META \
+	  libmlgsl.$(A) dllmlgsl.$(D) gsl.cma $(CMI)
+
+install: install-opt
+
 ocamlgsl.odoc : $(MLOBJ) $(CMI)
 	$(OCAMLDOC) -v -dump $@ $(filter-out gsl_misc.%, $(filter %.mli, $(SRC)))