$NetBSD: patch-nsgenbind_src_Makefile,v 1.2 2019/09/12 15:53:02 nros Exp $

Define _XOPEN_SOURCE needed for strdup(3) and strndup(3).

--- nsgenbind/src/Makefile.orig	2019-07-17 15:37:01.000000000 +0000
+++ nsgenbind/src/Makefile
@@ -1,4 +1,5 @@
 CFLAGS := $(CFLAGS) -I$(BUILDDIR) -Isrc/ -g -DYYENABLE_NLS=0
+CFLAGS += -D_XOPEN_SOURCE=700
 
 # Sources in this directory
 DIR_SOURCES := nsgenbind.c utils.c output.c \