1#!/bin/sh 2 3# Copyright 2003 by Sun Microsystems, Inc. All rights reserved. 4# Use is subject to license terms. 5# 6#pragma ident "%Z%%M% %I% %E% SMI" 7 8set -e 9PATH=/bin:/usr/bin:$PATH; export PATH 10trap "rm -f tmp$$[abc].[oc]" 0 11target=port_ipv6 12new=new_${target}.h 13old=${target}.h 14 15cat > tmp$$a.c <<EOF 16#include <sys/types.h> 17#include <netinet/in.h> 18struct sockaddr_in6 xx; 19EOF 20 21cat > tmp$$b.c <<EOF 22#include <sys/types.h> 23#include <netinet/in.h> 24struct in6_addr xx; 25EOF 26 27cat > tmp$$c.c <<EOF 28#include <sys/types.h> 29#include <netinet/in.h> 30struct sockaddr_in6 xx; 31main() { xx.sin6_scope_id = 0; } 32EOF 33 34cat > ${new} <<EOF 35 36/* This file is automatically generated. Do Not Edit. */ 37 38#ifndef ${target}_h 39#define ${target}_h 40 41EOF 42 43if ${CC} -c tmp$$a.c > /dev/null 2>&1 44then 45 echo "#define HAS_INET6_STRUCTS" >> ${new} 46 if ${CC} -c tmp$$b.c > /dev/null 2>&1 47 then 48 : 49 else 50 echo "#define in6_addr in_addr6" >> ${new} 51 fi 52 if ${CC} -c tmp$$c.c > /dev/null 2>&1 53 then 54 echo "#define HAVE_SIN6_SCOPE_ID" >> ${new} 55 else 56 echo "#undef HAVE_SIN6_SCOPE_ID" >> ${new} 57 fi 58else 59 echo "#undef HAS_INET6_STRUCTS" >> ${new} 60fi 61echo >> ${new} 62echo "#endif" >> ${new} 63if [ -f ${old} ]; then 64 if cmp -s ${new} ${old} ; then 65 rm -f ${new} 66 else 67 rm -f ${old} 68 mv ${new} ${old} 69 fi 70else 71 mv ${new} ${old} 72fi 73exit 0 74