--- a/Makefile.in	2020-06-13 22:27:11.971906805 +0200
+++ b/Makefile.in	2020-06-13 22:28:14.193938195 +0200
@@ -73,19 +73,19 @@
 opt: src/$(LIBNAME).cma src/$(LIBNAME).cmxa  src/$(LIBNAME).cmxs
 
 src/$(LIBNAME).cma: src/$(LIBNAME).cmo
-	$(OCAMLC) -a $(BFLAGS_LIGHT) -o $@ $^
+	$(OCAMLC) -a $(BFLAGS_LIGHT) -ccopt "$(CFLAGS)" -o $@ $^
 
 src/$(LIBNAME).cmxa: src/$(LIBNAME).cmx
-	$(OCAMLOPT) -a $(OFLAGS_LIGHT) -o $@ $^
+	$(OCAMLOPT) -a $(OFLAGS_LIGHT) -ccopt "$(CFLAGS)" -o $@ $^
 
 src/$(LIBNAME).cmxs: src/$(LIBNAME).cmx
-	$(OCAMLOPT) -shared $(OFLAGS_LIGHT) -o $@ $^
+	$(OCAMLOPT) -shared $(OFLAGS_LIGHT) -ccopt "$(CFLAGS)" -cclib "$(LDFLAGS)" -o $@ $^
 
 src/$(LIBNAME).cmo: $(CMO) # src/$(LIBNAME).cmi
-	$(OCAMLC)   $(BFLAGS_LIGHT) -pack -o src/$(LIBNAME).cmo $^
+	$(OCAMLC)   $(BFLAGS_LIGHT) -ccopt "$(CFLAGS)" -pack -o src/$(LIBNAME).cmo $^
 
 src/$(LIBNAME).cmx: $(CMX) # src/$(LIBNAME).cmi
-	$(OCAMLOPT) $(OFLAGS_LIGHT) -pack -o src/$(LIBNAME).cmx $^
+	$(OCAMLOPT) $(OFLAGS_LIGHT) -pack -ccopt "$(CFLAGS)" -o src/$(LIBNAME).cmx $^
 
 src/extSigs.ml: src/extSigs.mli
 	cp src/extSigs.mli src/extSigs.ml
@@ -125,16 +125,16 @@
 .SUFFIXES: .mli .ml .cmi .cmo .cmx .mll .mly .tex .dvi .ps .html
 
 .mli.cmi:
-	$(OCAMLC) -c $(BFLAGS) $<
+	$(OCAMLC) -c $(BFLAGS) -ccopt "$(CFLAGS)" $<
 
 .ml.cmo:
-	$(OCAMLC) -c $(BFLAGS) $<
+	$(OCAMLC) -c $(BFLAGS) -ccopt "$(CFLAGS)" $<
 
 .ml.o:
-	$(OCAMLOPT) -c $(OFLAGS) $<
+	$(OCAMLOPT) -c $(OFLAGS) -ccopt "$(CFLAGS)" $<
 
 .ml.cmx:
-	$(OCAMLOPT) -c $(OFLAGS) $<
+	$(OCAMLOPT) -c $(OFLAGS) -ccopt "$(CFLAGS)" $<
 
 .mll.ml:
 	$(OCAMLLEX) $< > /dev/null