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dnl Process this file with autoconf to produce a configure script.
AC_INIT(dhcp6c.c)
dnl Checks for programs.
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CPP
dnl Checks for libraries.
dnl AC_CHECK_LIB(c, kvm_open, [], [AC_CHECK_LIB(kvm, kvm_open)])
dnl AC_CHECK_LIB(mld, nlist)
dnl pcap library
dnl CFLAGS="-I. $CFLAGS"
dnl AC_MSG_CHECKING(for pcap library/header)
dnl for dir in /usr/local/libpcap /usr/local/v6 /usr/local \
dnl ../libpcap* ../../libpcap*; do
dnl ac_cv_pcap_lib=no
dnl ac_cv_pcap_include=no
dnl if test -d $dir -a -f $dir/libpcap.a; then
dnl ac_cv_pcap_lib="$dir"
dnl elif test -d $dir/lib -a -f $dir/lib/libpcap.a; then
dnl ac_cv_pcap_lib="$dir/lib"
dnl fi
dnl if test -d $dir -a -f $dir/pcap.h; then
dnl ac_cv_pcap_include="$dir"
dnl elif test -d $dir/include -a -f $dir/include/pcap.h; then
dnl ac_cv_pcap_include="$dir/include"
dnl fi
dnl if test "$ac_cv_pcap_lib" != "no" -a "$ac_cv_pcap_include" != "no"; then
dnl LIBS="-L$ac_cv_pcap_lib $LIBS"
dnl CFLAGS="-I$ac_cv_pcap_include $CFLAGS"
dnl break
dnl fi
dnl done
dnl if test "$ac_cv_pcap_lib" = "no" -a "$ac_cv_pcap_include" = "no"; then
dnl AC_MSG_RESULT(no)
dnl else
dnl AC_MSG_RESULT($ac_cv_pcap_lib and $ac_cv_pcap_include)
dnl fi
dnl AC_CHECK_LIB(pcap, pcap_lookupdev, [],
dnl [echo "Fatal: libpcap.a not found"
dnl exit 1])
dnl AC_TRY_COMPILE([#include <pcap.h>], [], [], [dnl
dnl echo "Fatal: pcap.h not found"
dnl exit 1])
CFLAGS="$CFLAGS -I\$(srcdir)"
AC_MSG_CHECKING(for getaddrinfo/getnameinfo library)
AC_EGREP_CPP(yes,
[#include <netinet/in.h>
#ifdef __KAME__
yes
#endif], [result=kame])
AC_MSG_RESULT($result)
case $result in
kame) AC_DEFINE(INET6)
o_LIBS="$LIBS"
LIBS="$LIBS -L/usr/local/v6/lib"
AC_CHECK_LIB(inet6, getaddrinfo, [], [LIBS="$o_LIBS"])
;;
*) ;;
esac
AC_REPLACE_FUNCS(getaddrinfo)
AC_REPLACE_FUNCS(getnameinfo)
AC_CHECK_FUNC(getifaddrs, AC_DEFINE(HAVE_GETIFADDRS), [dnl
echo FATAL: getifaddrs is required
exit 1])
AC_CHECK_FUNCS(if_nametoindex)
AC_REPLACE_FUNCS(strlcpy strlcat)
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h sys/ioctl.h sys/time.h syslog.h unistd.h ifaddrs.h)
AC_MSG_CHECKING(for socklen_t)
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t x; x = 1; return x;],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_CHECK_TYPE(socklen_t, int)])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
dnl Checks for library functions.
AC_FUNC_GETPGRP
AC_PROG_GCC_TRADITIONAL
AC_FUNC_SETPGRP
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(mktime select socket)
AC_CHECK_FUNCS(clock_gettime)
dnl configure local DB directory
AC_MSG_CHECKING(for local DB directory)
AC_ARG_WITH(localdbdir,
[ --with-localdbdir=VALUE where to put local DB files],
localdbdir="$withval", localdbdir="/var/db")
AC_MSG_RESULT($localdbdir)
AC_SUBST(localdbdir)
dnl Checks for arc4random
AC_REPLACE_FUNCS(arc4random)
AC_MSG_CHECKING(if --enable-pedant option is specified)
AC_ARG_ENABLE(pedant, [ --enable-pedant pedantic compilation],
[if test "$enableval" = "yes"; then
CFLAGS="-Wall -Werror $CFLAGS"
fi], [enableval=no])
AC_MSG_RESULT($enableval);
dnl Checks predeclared identifers of function names
AC_MSG_CHECKING(ANSI predeclared __func__)
AC_TRY_COMPILE([],
[void func(void) {printf("%s\n", __func__);}],
[AC_MSG_RESULT(yes)
pred_func_id=ansi],
[AC_MSG_RESULT(no)
pred_func_id=no])
if test $pred_func_id = no; then
AC_MSG_CHECKING(gcc predelcared __FUNCTION__)
AC_TRY_COMPILE([],
[void func(void) {printf("%s\n", __FUNCTION__);}],
[AC_MSG_RESULT(yes)
pred_func_id=gcc],
[AC_MSG_RESULT(no)
pred_func_id=no])
fi
case $pred_func_id in
ansi)
AC_DEFINE(HAVE_ANSI_FUNC)
;;
gcc)
AC_DEFINE(HAVE_GCC_FUNCTION)
;;
esac
dnl DHCP option type values that have been assigned very recently:
dnl These values may need be configurable for interoperability with
dnl prior experimental implementations.
AC_MSG_CHECKING(for DHCP DNS option)
AC_ARG_WITH(opt-dns,
[ --with-opt-dns=VALUE specify DHCP option value for DNS],
dhcpopt_dns="$withval", dhcpopt_dns=0)
if test $dhcpopt_dns != 0 ; then
AC_MSG_RESULT(using $dhcpopt_dns)
DHCPOPT_DNS="-DDH6OPT_DNS=$dhcpopt_dns"
AC_SUBST(DHCPOPT_DNS)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING(for DHCP DNS_NAME option)
AC_ARG_WITH(opt-dnsname,
[ --with-opt-dnsname=VALUE specify DHCP option value for DNS_NAME],
dhcpopt_dnsname="$withval", dhcpopt_dnsname=0)
if test $dhcpopt_dnsname != 0 ; then
AC_MSG_RESULT(using $dhcpopt_dnsname)
DH6OPT_DNSNAME="-DDH6OPT_DNSNAME=$dhcpopt_dnsname"
AC_SUBST(DH6OPT_DNSNAME)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING(for DHCP IA_PD option)
AC_ARG_WITH(opt-ia-pd,
[ --with-opt-ia-pd=VALUE specify DHCP option value for IA_PD],
dhcpopt_ia_pd="$withval", dhcpopt_ia_pd=0)
if test $dhcpopt_ia_pd != 0 ; then
AC_MSG_RESULT(using $dhcpopt_ia_pd)
DH6OPT_IA_PD="-DDH6OPT_IA_PD=$dhcpopt_ia_pd"
AC_SUBST(DH6OPT_IA_PD)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING(for DHCP IA_PD_PREFIX option)
AC_ARG_WITH(opt-ia-pd-prefix,
[ --with-opt-ia-pd-prefix=VALUE specify DHCP option value for IA_PD prefix],
dhcpopt_ia_pd_prefix="$withval", dhcpopt_ia_pd_prefix=0)
if test $dhcpopt_ia_pd_prefix != 0 ; then
AC_MSG_RESULT(using $dhcpopt_ia_pd_prefix)
DH6OPT_IA_PD_PREFIX="-DDH6OPT_IA_PD_PREFIX=$dhcpopt_ia_pd_prefix"
AC_SUBST(DH6OPT_IA_PD_PREFIX)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING(for DHCP information refresh time option)
AC_ARG_WITH(opt-refreshtime,
[ --with-opt-refreshtime=VALUE specify DHCP option value for refresh time],
dhcpopt_refreshtime="$withval", dhcpopt_refreshtime=0)
if test $dhcpopt_refreshtime != 0 ; then
AC_MSG_RESULT(using $dhcpopt_refresh)
DH6OPT_REFRESHTIME="-DDH6OPT_REFRESHTIME=$dhcpopt_refreshtime"
AC_SUBST(DH6OPT_REFRESHTIME)
else
AC_MSG_RESULT(no)
fi
dnl DHCP option type values not officially defined
AC_MSG_CHECKING(for DHCP NTP option)
AC_ARG_WITH(opt-ntp,
[ --with-opt-ntp=VALUE specify DHCP option value for NTP],
dhcpopt_ntp="$withval", dhcpopt_ntp=0)
if test $dhcpopt_ntp = 0 ; then
dhcpopt_ntp=-1
AC_MSG_RESULT(unspecified)
else
AC_MSG_RESULT(using $dhcpopt_ntp)
fi
AC_SUBST(dhcpopt_ntp)
AC_CHECK_HEADERS(stdarg.h)
AC_OUTPUT(Makefile)
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