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> 29 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} ${CPPFLAGS} -c tmp$$a.c > /dev/null 2>&1 44then 45 echo "#define HAS_INET6_STRUCTS" >> ${new} 46 if ${CC} ${CPPFLAGS} -c tmp$$b.c > /dev/null 2>&1 47 then 48 : 49 else 50 echo "#define in6_addr in_addr6" >> ${new} 51 fi 52 if ${CC} ${CPPFLAGS} -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