+#EXTRA_CFLAGS :=
+EXTRA_CFLAGS := -DPERL4CAML_REFCOUNTING_EXPERIMENTAL=1
+#EXTRA_CFLAGS := -I/Users/rich/OCaml/lib/ocaml/std-lib
+#EXTRA_CFLAGS := -g
+
+# DYNALOADER_HACK
+# XXX Hack required by ocamlopt, and sometimes ocamlc.
+# To work out what this should be, try:
+# `perl -MExtUtils::Embed -e ldopts'
+
+DYNALOADER_HACK := /usr/lib/perl/5.8/auto/DynaLoader/DynaLoader.a
+#DYNALOADER_HACK := /System/Library/Perl/5.8.1/darwin-thread-multi-2level/auto/DynaLoader/DynaLoader.a