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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.57)
AC_INIT(ldns, 1.7.0, dns-team@nlnetlabs.nl,libdns)
AC_CONFIG_SRCDIR([nsd-ldnsd.c])
OURCPPFLAGS='-D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D__EXTENSIONS__ -D__BSD_VISIBLE'
CPPFLAGS=${CPPFLAGS:-${OURCPPFLAGS}}
OURCFLAGS='-g'
CFLAGS=${CFLAGS:-${OURCFLAGS}}
AC_AIX
# Checks for programs.
AC_PROG_CC
AC_PROG_MAKE_SET
dnl routine to help check for compiler flags.
AC_DEFUN([CHECK_COMPILER_FLAG],
[
AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING(whether $CC supports -$1)
cache=`echo $1 | sed 'y%.=/+-%___p_%'`
AC_CACHE_VAL(cv_prog_cc_flag_$cache,
[
echo 'void f(){}' >conftest.c
if test -z "`$CC -$1 -c conftest.c 2>&1`"; then
eval "cv_prog_cc_flag_$cache=yes"
else
eval "cv_prog_cc_flag_$cache=no"
fi
rm -f conftest*
])
if eval "test \"`echo '$cv_prog_cc_flag_'$cache`\" = yes"; then
AC_MSG_RESULT(yes)
:
$2
else
AC_MSG_RESULT(no)
:
$3
fi
])
CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
CHECK_COMPILER_FLAG(std=c99, [CFLAGS="$CFLAGS -std=c99"], [CFLAGS="$CFLAGS -ansi"])
AC_CHECK_HEADERS([sys/types.h getopt.h stdlib.h stdio.h assert.h netinet/in.h ctype.h time.h pcap.h arpa/inet.h sys/time.h sys/socket.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([netinet/in_systm.h net/if.h netinet/ip.h netinet/udp.h netinet/if_ether.h],,, [
AC_INCLUDES_DEFAULT
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif])
AC_CHECK_HEADERS([sys/param.h sys/mount.h],,,
[AC_INCLUDES_DEFAULT]
[
[
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]
])
AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(nsl, inet_ntop)
# check for ldns
AC_ARG_WITH(ldns,
AC_HELP_STRING([--with-ldns=PATH specify prefix of path of ldns library to use])
,
[
specialldnsdir="$withval"
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
LDNSDIR="$withval"
]
)
# check for ldns development source tree
AC_MSG_CHECKING([for ldns devel source])
ldns_dev_dir=../..
if test -f $ldns_dev_dir/ldns/util.h && \
grep LDNS_VERSION $ldns_dev_dir/ldns/util.h >/dev/null; then
ldns_version=`grep LDNS_VERSION $ldns_dev_dir/ldns/util.h | sed -e 's/^.*"\(.*\)".*$/\1/'`
AC_MSG_RESULT([using $ldns_dev_dir with $ldns_version])
CPPFLAGS="$CPPFLAGS -I$ldns_dev_dir/include"
LDFLAGS="$LDFLAGS -L$ldns_dev_dir/lib"
LIBS="$LIBS -lldns"
AC_DEFINE(HAVE_LIBLDNS, 1, [If the ldns library is available.])
LDNSDIR="$ldns_dev_dir"
else
AC_MSG_RESULT([no])
AC_CHECK_LIB(ldns, ldns_rr_new,, [
AC_MSG_ERROR([Can't find ldns library])
]
)
fi
AC_SUBST(LDNSDIR)
AC_CHECK_HEADER(ldns/ldns.h,, [
AC_MSG_ERROR([Can't find ldns headers])
], [AC_INCLUDES_DEFAULT]
)
AC_CHECK_LIB(pcap, pcap_open_offline,, [
AC_MSG_WARN([Can't find pcap library (needed for ldns-dpa, will not build dpa now.)])
]
)
AC_CHECK_FUNCS(isblank)
AH_BOTTOM([
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#if STDC_HEADERS
#include <stdlib.h>
#include <stddef.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NETINET_UDP_H
#include <netinet/udp.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_PCAP_H
#include <pcap.h>
#endif
#ifdef HAVE_NETINET_IN_SYSTM_H
#include <netinet/in_systm.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif
#ifdef HAVE_NETINET_IF_ETHER_H
#include <netinet/if_ether.h>
#endif
])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_HEADER([config.h])
AC_OUTPUT