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path: root/contrib/traceroute/configure.in
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dnl @(#) $Id: configure.in,v 1.33 2000/12/18 09:38:26 leres Exp $ (LBL)
dnl
dnl Copyright (c) 1995, 1996, 1997, 1999, 2000
dnl	The Regents of the University of California.  All rights reserved.
dnl
dnl Process this file with autoconf to produce a configure script.
dnl

AC_INIT(traceroute.c)

AC_CANONICAL_SYSTEM

umask 002

if test -z "$PWD" ; then
	PWD=`pwd`
fi

AC_LBL_C_INIT(V_CCOPT, V_INCLS)

AC_CHECK_HEADERS(malloc.h sys/select.h sys/sockio.h net/route.h \
    net/if_dl.h inet/mib2.h)

AC_REPLACE_FUNCS(strerror usleep)
AC_CHECK_FUNCS(setlinebuf)
if test $ac_cv_func_usleep = "no" ; then
	AC_CHECK_FUNCS(nanosleep)
fi

AC_LBL_LIBRARY_NET

case "$target_os" in

bsd4*)
	AC_DEFINE(HAVE_RAW_OPTIONS)
	;;

bsdi*)
	AC_DEFINE(HAVE_RAW_OPTIONS)
	;;

freebsd*)
	AC_DEFINE(HAVE_RAW_OPTIONS)
	;;

linux*)
	V_INCLS="$V_INCLS -Ilinux-include"
	AC_DEFINE(BYTESWAP_IP_HDR)
	;;

osf3*)
	dnl Workaround around ip_hl vs. ip_vhl problem in netinet/ip.h
	AC_DEFINE(__STDC__,2)
	;;

solaris2.[[012345]]*)
	AC_DEFINE(BYTESWAP_IP_HDR)
	AC_DEFINE(CANT_HACK_IPCKSUM)
	;;

solaris*)
	AC_DEFINE(BYTESWAP_IP_HDR)
	;;
esac

dnl
dnl What kind of routing table lookup do we have?
dnl
AC_MSG_CHECKING(routing table type)
t="generic"
if test $ac_cv_header_inet_mib2_h = yes ; then
	t="mib"
elif test $ac_cv_header_net_route_h = yes -a \
    $ac_cv_header_net_if_dl_h = yes ; then
	t="socket"
elif test -f /proc/net/route ; then
	t="linux"
fi

AC_MSG_RESULT(${t})
V_FINDSADDR="findsaddr-${t}.c"


AC_LBL_CHECK_TYPE(int32_t, int)
AC_LBL_CHECK_TYPE(u_int32_t, u_int)

AC_LBL_DEVEL(V_CCOPT)

AC_LBL_SOCKADDR_SA_LEN

AC_MSG_CHECKING(if struct icmp has icmp_nextmtu)
AC_CACHE_VAL(ac_cv_struct_icmp_has_icmp_nextmtu,
    LBL_SAVE_CFLAGS="$CFLAGS"
    CFLAGS="$CFLAGS $V_INCLS"
    AC_TRY_COMPILE([   
#       include <sys/param.h>
#	include <sys/socket.h>
#	include <netinet/in_systm.h>
#       if __STDC__
        /* osf3 has REALLY good prototyes */
        struct mbuf;
        struct rtentry;
#       endif
#       include <netinet/in.h>
#       include <netinet/ip.h>
#       include <netinet/ip_icmp.h>
#       include <netinet/if_ether.h>],
	[u_int i = sizeof(((struct icmp *)0)->icmp_nextmtu)],
	ac_cv_struct_icmp_has_icmp_nextmtu=yes,
	ac_cv_struct_icmp_has_icmp_nextmtu=no)
    CFLAGS="$LBL_SAVE_CFLAGS")
AC_MSG_RESULT($ac_cv_struct_icmp_has_icmp_nextmtu)
if test $ac_cv_struct_icmp_has_icmp_nextmtu = yes ; then
	AC_DEFINE(HAVE_ICMP_NEXTMTU)
fi

if test "${srcdir}" = "." ; then
	srcdirprefix=""
else
	srcdirprefix="./"
fi

if test -r ${srcdirprefix}lbl/gnuc.h ; then
	rm -f gnuc.h
	ln -s ${srcdirprefix}lbl/gnuc.h gnuc.h
fi

AC_SUBST(V_CCOPT)
AC_SUBST(V_INCLS)
AC_SUBST(V_FINDSADDR)

AC_PROG_INSTALL

AC_OUTPUT(Makefile)

if test -f .devel ; then
	make depend
fi

exit 0
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