$NetBSD: patch-ab,v 1.2 2017/08/19 00:24:36 jlam Exp $

--- chat/Makefile.netbsd.orig	2004-12-31 23:50:59.000000000 +0100
+++ chat/Makefile.netbsd
@@ -0,0 +1,29 @@
+DESTDIR = @DESTDIR@
+BINDIR = $(DESTDIR)/sbin
+MANDIR = $(DESTDIR)/$(PKGMANDIR)/man8
+
+CDEF1=	-DTERMIOS			# Use the termios structure
+CDEF2=	-DSIGTYPE=void			# Standard definition
+CDEF3=	-DHAS_STRLFUNCS			# strlcat and strlcpy
+CDEFS=	$(CDEF1) $(CDEF2) $(CDEF3)
+
+COPTS=	-O2 -g -pipe
+CFLAGS=	$(COPTS) $(CDEFS)
+
+INSTALL= install
+
+all:	chat
+
+chat:	chat.o
+	$(CC) -o chat chat.o
+
+chat.o:	chat.c
+	$(CC) -c $(CFLAGS) -o chat.o chat.c
+
+install: chat
+	mkdir -p $(BINDIR)
+	$(INSTALL) -s -c chat $(BINDIR)
+	$(INSTALL) -c -m 644 chat.8 $(MANDIR)
+
+clean:
+	rm -f chat.o chat *~