$NetBSD: patch-Makefile,v 1.1 2019/03/05 11:24:01 ryoon Exp $

* Fix build on NetBSD

--- Makefile.orig	2016-11-18 15:38:37.000000000 +0000
+++ Makefile
@@ -2,16 +2,20 @@ PROG=	fsnotifier
 SRCS=	inotify.c main.c util.c
 MAN=
 CSTD=	c99
+PREFIX?=	/usr/local
 
 CFLAGS+=	-Wall -Wextra -D_DEFAULT_SOURCE
 
-CFLAGS+=	-std=${CSTD} -I/usr/local/include${INOTIFY}
-LDFLAGS+=	-L/usr/local/lib${INOTIFY} -Wl,-rpath=/usr/local/lib${INOTIFY}
+CFLAGS+=	-std=${CSTD} -I${PREFIX}/include${INOTIFY}
+LDFLAGS+=	-L${PREFIX}/lib${INOTIFY} -Wl,-rpath=${PREFIX}/lib${INOTIFY}
 LDFLAGS+=	-pthread
 
 OS!=	uname -s
 .if ${OS} == "OpenBSD"
 INOTIFY?=	/inotify
+.elif ${OS} == "NetBSD"
+PREFIX=		/usr/pkg
+CFLAGS+=	-D_NETBSD_SOURCE
 .endif
 
 .if defined(STATIC_INOTIFY)