$NetBSD: patch-Makefile,v 1.4 2021/03/08 20:36:53 jaapb Exp $

Lift all, opt and cmxs targets to main Makefile

--- Makefile.orig	2019-03-03 16:33:48.000000000 +0000
+++ Makefile
@@ -10,8 +10,8 @@ endif
 .SUFFIXES:
 .PHONY: build clean test doc release install
 
-build:
-	$(MAKE) -C src build
+build all opt cmxs:
+	$(MAKE) -C src $@
 
 install:
 	$(MAKE) -C src VERSION=$(VERSION) install