$NetBSD: patch-aa,v 1.6 2017/01/19 06:48:46 wen Exp $

Configure for pkgsrc.
DESTDIR support.

--- Makefile.in.orig	2015-05-12 12:10:34.000000000 +0000
+++ Makefile.in
@@ -16,9 +16,10 @@ INSTALL_DATA = @INSTALL_DATA@
 
 DEFS = @DEFS@
 
-# Revised by JBV
-#CFLAGS = -O
-CFLAGS = -g -ansi
+# Re-revised by MJS
+CFLAGS ?= -O
+CFLAGS += -ansi
+#CFLAGS = -g -ansi
 
 # Revised by JBV
 #LDFLAGS = -s
@@ -29,13 +30,13 @@ bindir = $(exec_prefix)/bin
 
 SHELL = /bin/sh
 
-CFILES=         bwbasic.c bwb_cmd.c bwb_cnd.c bwb_dio.c bwb_elx.c\
-                bwb_exp.c bwb_fnc.c bwb_inp.c bwb_int.c bwb_ops.c\
+CFILES=         bwbasic.c bwb_cmd.c bwb_cnd.c bwb_dio.c \
+                bwb_exp.c bwb_fnc.c bwb_inp.c bwb_int.c \
                 bwb_prn.c bwb_stc.c bwb_str.c bwb_tbl.c bwb_var.c\
 		bwd_cmd.c bwd_fun.c bwx_tty.c
 
-OFILES=         bwbasic.o bwb_cmd.o bwb_cnd.o bwb_dio.o bwb_elx.o\
-                bwb_exp.o bwb_fnc.o bwb_inp.o bwb_int.o bwb_ops.o\
+OFILES=         bwbasic.o bwb_cmd.o bwb_cnd.o bwb_dio.o \
+                bwb_exp.o bwb_fnc.o bwb_inp.o bwb_int.o \
                 bwb_prn.o bwb_stc.o bwb_str.o bwb_tbl.o bwb_var.o\
 		bwd_cmd.o bwd_fun.o bwx_tty.o
  
@@ -75,7 +76,7 @@ $(OFILES):      $(HFILES)
 	$(CC) -c $(CPPFLAGS) -I$(srcdir) $(DEFS) $(CFLAGS) $<
 
 install: all
-	$(INSTALL_PROGRAM) bwbasic $(bindir)/bwbasic
+	$(INSTALL_PROGRAM) bwbasic ${DESTDIR}$(bindir)/bwbasic
 
 uninstall:
 	rm -f $(bindir)/bwbasic