$NetBSD: patch-Makefile,v 1.1 2019/05/13 11:30:24 jaapb Exp $

Only compile native code if OPT variable is set
--- Makefile.orig	2018-04-19 02:18:40.000000000 +0000
+++ Makefile
@@ -1,5 +1,11 @@
+OPT?=true
 
+ifeq ($(OPT),true)
 TARGETS=$(addprefix src/, seq.cma seq.cmxa seq.cmxs)
+else
+TARGETS=$(addprefix src/, seq.cma)
+endif
+
 build:
 	ocamlbuild $(TARGETS)
 
