--- a/Makefile
+++ b/Makefile
@@ -3,8 +3,8 @@
 .SUFFIXES : .ml .mli .cmo .cmx .cmi .mll .mly
 
 INSTALLDIR=`ocamlc -where`
-CFLAGS=
-LFLAGS= -a
+XML_LIGHT_OCAML_CFLAGS= $(OCAML_CFLAGS)
+XML_LIGHT_OCAML_LFLAGS= $(OCAML_LFLAGS) -a
 LIBS=
 
 all: xml-light.cma test.exe doc
@@ -28,10 +28,10 @@
 	ocamlopt xml-light.cmxa test.ml -o test_opt.exe
 
 xml-light.cma: xml_parser.cmo xml_lexer.cmo dtd.cmo xmlParser.cmo xml.cmo 
-	ocamlc -o xml-light.cma $(LFLAGS) $(LIBS) xml_parser.cmo xml_lexer.cmo dtd.cmo xmlParser.cmo xml.cmo
+	ocamlc -o xml-light.cma $(XML_LIGHT_OCAML_LFLAGS) $(LIBS) xml_parser.cmo xml_lexer.cmo dtd.cmo xmlParser.cmo xml.cmo
 
 xml-light.cmxa: xml_parser.cmx xml_lexer.cmx dtd.cmx xmlParser.cmx xml.cmx 
-	ocamlopt -o xml-light.cmxa $(LFLAGS) $(LIBS) xml_parser.cmx xml_lexer.cmx dtd.cmx xmlParser.cmx xml.cmx
+	ocamlopt -o xml-light.cmxa $(XML_LIGHT_OCAML_LFLAGS) $(LIBS) xml_parser.cmx xml_lexer.cmx dtd.cmx xmlParser.cmx xml.cmx
 
 dtd.cmo: xml.cmi xml_lexer.cmi dtd.cmi
 
@@ -71,13 +71,13 @@
 
 # SUFFIXES
 .ml.cmo:
-	ocamlc $(CFLAGS) -c $<
+	ocamlc $(XML_LIGHT_OCAML_CFLAGS) -c $<
 
 .ml.cmx:
-	ocamlopt $(CFLAGS) -c $<
+	ocamlopt $(XML_LIGHT_OCAML_CFLAGS) -c $<
 
 .mli.cmi:
-	ocamlc $(CFLAGS) $<
+	ocamlc $(XML_LIGHT_OCAML_CFLAGS) $<
 
 .mll.ml:
 	ocamllex $<