$NetBSD: patch-Makefile,v 1.1 2021/05/29 16:04:11 thor Exp $

Mark main phony targets as phony, mainly to avoid conflict
of install target with the INSTALL file on case-insensitive
filesystems.

--- Makefile.orig	2021-05-29 15:58:27.808507744 +0000
+++ Makefile
@@ -21,6 +21,8 @@
 
 include Makeconf
 
+.PHONY: help lib solib test clean install install-shlib install-staticlib
+
 help:
 	@echo
 	@echo "The following targets are available:"