1#!/bin/sh 2 3# Copyright 2003 by Sun Microsystems, Inc. All rights reserved. 4# Use is subject to license terms. 5# 6 7set -e 8PATH=/bin:/usr/bin:$PATH; export PATH 9trap "rm -f tmp$$[abc].[oc]" 0 10target=port_ipv6 11new=new_${target}.h 12old=${target}.h 13 14cat > tmp$$a.c <<EOF 15#include <sys/types.h> 16#include <netinet/in.h> 17struct sockaddr_in6 xx; 18EOF 19 20cat > tmp$$b.c <<EOF 21#include <sys/types.h> 22#include <netinet/in.h> 23struct in6_addr xx; 24EOF 25 26cat > tmp$$c.c <<EOF 27#include <sys/types.h> 28#include <netinet/in.h> 29struct sockaddr_in6 xx; 30main() { xx.sin6_scope_id = 0; } 31EOF 32 33cat > ${new} <<EOF 34 35/* This file is automatically generated. Do Not Edit. */ 36 37#ifndef ${target}_h 38#define ${target}_h 39 40EOF 41 42if ${CC} -c tmp$$a.c > /dev/null 2>&1 43then 44 echo "#define HAS_INET6_STRUCTS" >> ${new} 45 if ${CC} -c tmp$$b.c > /dev/null 2>&1 46 then 47 : 48 else 49 echo "#define in6_addr in_addr6" >> ${new} 50 fi 51 if ${CC} -c tmp$$c.c > /dev/null 2>&1 52 then 53 echo "#define HAVE_SIN6_SCOPE_ID" >> ${new} 54 else 55 echo "#undef HAVE_SIN6_SCOPE_ID" >> ${new} 56 fi 57else 58 echo "#undef HAS_INET6_STRUCTS" >> ${new} 59fi 60echo >> ${new} 61echo "#endif" >> ${new} 62if [ -f ${old} ]; then 63 if cmp -s ${new} ${old} ; then 64 rm -f ${new} 65 else 66 rm -f ${old} 67 mv ${new} ${old} 68 fi 69else 70 mv ${new} ${old} 71fi 72exit 0 73