Apply patches from OPAM package for v1.0

Changelog

@@ -1,2 +1,5 @@
+Release 1.1 (2016-12-10)
+	- Apply patches from OPAM package for 1.0
+
 Release 1.0 (2011-11-22)
 	- First public release, based on the sources taken from OCaml 3.12.1

Makefile

@@ -51,13 +51,13 @@ libcamldbm.$(A): cldbm.$(O)
 	$(OCAMLOPT) -c $(COMPFLAGS) $<
 
 .c.$(O):
-	$(OCAMLC) -c -ccopt "$(DBM_INCLUDE)" -ccopt "$(DBM_DEFINES)" $<
+	$(OCAMLC) -c -ccopt "$(DBM_INCLUDES)" -ccopt "$(DBM_DEFINES)" $<
 
 depend:
 	$(OCAMLDEP) *.ml *.mli > .depend
 
 install::
-	if test -f dllcamldbm.$(SO); then cp dllcamldbm.$(SO) $(STUBLIBDIR)/; fi 
+	if test -f dllcamldbm.$(SO); then mkdir $(STUBLIBDIR) || echo Ok; cp dllcamldbm.$(SO) $(STUBLIBDIR)/; fi 
 	cp libcamldbm.$(A) $(LIBDIR)/
 	cd $(LIBDIR) && ranlib libcamldbm.$(A)
 	cp dbm.cma dbm.cmxa dbm.cmi dbm.mli $(LIBDIR)/

configure

@@ -35,7 +35,7 @@ hasgot() {
   ${CC:-cc} -I$1 -o hasgot.exe hasgot.c $3 $4
   res=$?
   rm -f hasgot.c hasgot.exe
-  return $?
+  return $res
 }
 
 dbm_include="not found"