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configure.ac
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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
# known to work with autconf version: autoconf (GNU Autoconf) 2.69
#
# @configure_input@
#
# Copyright (c) 2013, Verisign, Inc., NLnet Labs
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the names of the copyright holders nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL Verisign, Inc. BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AC_PREREQ([2.56])
AC_CONFIG_MACRO_DIRS([m4])
sinclude(./m4/acx_openssl.m4)
sinclude(./m4/acx_getaddrinfo.m4)
sinclude(./m4/ax_check_compile_flag.m4)
sinclude(./m4/pkg.m4)
AC_INIT([getdns], [0.9.0], [stub-resolver@verisignlabs.com], [], [https://getdnsapi.net])
AC_SUBST(RELEASE_CANDIDATE, [])
# Set current date from system if not set
AC_ARG_WITH([current-date],
[AS_HELP_STRING([--with-current-date]
[current date of the compilation, set to fixed date for reproducible builds @<:@default=system@:>@])],
[CURRENT_DATE="$with_current_date"],
[CURRENT_DATE="`date -u +%Y-%m-%dT%H:%M:%SZ`"])
AC_SUBST(GETDNS_VERSION, ["AC_PACKAGE_VERSION$RELEASE_CANDIDATE"])
AC_SUBST(GETDNS_NUMERIC_VERSION, [0x00090000])
AC_SUBST(API_VERSION, ["December 2015"])
AC_SUBST(API_NUMERIC_VERSION, [0x07df0c00])
GETDNS_COMPILATION_COMMENT="AC_PACKAGE_NAME $GETDNS_VERSION configured on $CURRENT_DATE for the $API_VERSION version of the API"
# Library version
# ---------------
# current:revision:age
# (binary-api-number):(which-binary-api-version):(how-many-nrs-backwardscompat)
# if source code changes increment revision
# if any interfaces have been added/removed/changed since last update then
# increment current and set revision to 0
# if any interfaces have been added since the last public release then increment age
# if any interfaces have been removed or changed since the last public release then
# set age to 0
#
# getdns-0.1.4 had libversion 0:0:0
# getdns-0.1.5 had libversion 1:0:0
# getdns-0.1.6 had libversion 1:1:0
# getdns-0.1.7 had libversion 1:2:1 (but should have had 2:0:1)
# getdns-0.1.8 had libversion 1:3:0 (but should have had 2:1:1)
# getdns-0.2.0 had libversion 2:2:1
# getdns-0.3.0 had libversion 3:3:2
# getdns-0.3.1 had libversion 3:4:2
# getdns-0.3.2 had libversion 3:5:2
# getdns-0.3.3 had libversion 3:6:2
# getdns-0.5.0 had libversion 4:0:3
# getdns-0.5.1 had libversion 4:1:3 (but should have been getdns-0.6.0)
# getdns-0.9.0 will have libversion 5:0:4
#
GETDNS_LIBVERSION=5:0:4
AC_SUBST(GETDNS_COMPILATION_COMMENT)
AC_SUBST(GETDNS_LIBVERSION)
AC_CONFIG_SRCDIR([src/getdns/getdns.h.in])
# AM_INIT_AUTOMAKE
# LT_INIT
AC_CONFIG_MACRO_DIR([m4])
AC_PROG_CC
AC_PROG_CPP
# Checks for programs.
AC_CANONICAL_HOST
CFLAGS="$CFLAGS"
AC_PROG_CC_C99
AX_CHECK_COMPILE_FLAG([-xc99],[CFLAGS="$CFLAGS -xc99"],[],[])
AX_CHECK_COMPILE_FLAG([-Wall],[CFLAGS="$CFLAGS -Wall"],[],[])
case "$host_os" in
linux* ) CFLAGS="$CFLAGS -D_BSD_SOURCE -D_DEFAULT_SOURCE"
;;
solaris* ) CFLAGS="$CFLAGS -D__EXTENSIONS__" # for strdup() from <string.h>
;;
darwin* ) CFLAGS="$CFLAGS -D_DARWIN_C_SOURCE" # for strlcpy() from <string.h>
;;
esac
# always use ./libtool unless override from commandline (libtool=mylibtool)
if test -z "$libtool"; then
libtool="`pwd`/libtool"
fi
AC_SUBST(libtool)
AC_PROG_LIBTOOL
AC_PROG_INSTALL
initial_LIBS="$LIBS"
initial_LDFLAGS="$LDFLAGS"
dnl Add option to disable the evil rpath. Check whether to use rpath or not.
dnl Adds the --disable-rpath option. Uses trick to edit the ./libtool.
AC_DEFUN([ACX_ARG_RPATH],
[
AC_ARG_ENABLE(rpath,
[ --disable-rpath disable hardcoded rpath (default=enabled)],
enable_rpath="$enableval", enable_rpath=yes)
if test "x$enable_rpath" = xno; then
dnl AC_MSG_RESULT([Fixing libtool for -rpath problems.])
AC_CONFIG_COMMANDS([disable-rpath], [
sed < libtool > libtool-2 \
's/^hardcode_libdir_flag_spec.*$'/'hardcode_libdir_flag_spec=" -D__LIBTOOL_RPATH_SED__ "/'
mv libtool-2 libtool
chmod 755 libtool
libtool="./libtool"
])
fi
])
ACX_ARG_RPATH
AC_ARG_ENABLE(debug-sched, AC_HELP_STRING([--enable-debug-sched], [Enable scheduling debugging messages]))
AC_ARG_ENABLE(debug-stub, AC_HELP_STRING([--enable-debug-stub], [Enable stub debugging messages]))
AC_ARG_ENABLE(debug-sec, AC_HELP_STRING([--enable-debug-sec], [Enable dnssec debugging messages]))
AC_ARG_ENABLE(all-debugging, AC_HELP_STRING([--enable-all-debugging], [Enable scheduling, stub and dnssec debugging]))
case "$enable_all_debugging" in
yes)
enable_debug_sched=yes
enable_debug_stub=yes
enable_debug_sec=yes
;;
no|*)
;;
esac
case "$enable_debug_sched" in
yes)
AC_DEFINE_UNQUOTED([SCHED_DEBUG], [1], [Define this to enable printing of scheduling debugging messages.])
;;
no|*)
;;
esac
case "$enable_debug_stub" in
yes)
AC_DEFINE_UNQUOTED([STUB_DEBUG], [1], [Define this to enable printing of stub debugging messages.])
;;
no|*)
;;
esac
case "$enable_debug_sec" in
yes)
AC_DEFINE_UNQUOTED([SEC_DEBUG], [1], [Define this to enable printing of dnssec debugging messages.])
;;
no|*)
;;
esac
AC_ARG_ENABLE(tcp-fastopen, AC_HELP_STRING([--disable-tcp-fastopen], Disable TCP Fast Open (default=enabled if available)),
enable_tcp_fastopen="$enableval", enable_tcp_fastopen=yes)
if test "x$enable_tcp_fastopen" = xno; then
AC_MSG_WARN([TCP Fast Open is disabled])
else
case `uname` in
Linux) AC_CHECK_DECL([MSG_FASTOPEN], [AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.])],
[AC_MSG_WARN([TCP Fast Open is not available, continuing without])], [#include <sys/socket.h>])
;;
Darwin) AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_DEFINE_UNQUOTED([USE_OSX_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.])],
[AC_MSG_WARN([TCP Fast Open is not available, continuing without])], [#include <sys/socket.h>])
;;
*) AC_MSG_WARN([TCP Fast Open is not available, continuing without])
;;
esac
fi
AC_ARG_ENABLE(native-stub-dnssec, AC_HELP_STRING([--disable-native-stub-dnssec], [Disable native stub DNSSEC support]))
case "$enable_native_stub_dnssec" in
no)
;;
yes|*)
AC_DEFINE_UNQUOTED([STUB_NATIVE_DNSSEC], [1], [Define this to enable native stub DNSSEC support.])
;;
esac
USE_NSS="no"
# openssl
if test $USE_NSS = "no"; then
ACX_WITH_SSL_OPTIONAL
ACX_LIB_SSL
AC_MSG_CHECKING([for LibreSSL])
if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
# libressl provides these compat functions, but they may also be
# declared by the OS in libc. See if they have been declared.
AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform,reallocarray])
else
AC_MSG_RESULT([no])
fi
AC_CHECK_HEADERS([openssl/conf.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS([openssl/engine.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS([OPENSSL_config EVP_md5 EVP_sha1 EVP_sha224 EVP_sha256 EVP_sha384 EVP_sha512 FIPS_mode])
AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
AC_INCLUDES_DEFAULT
#ifdef HAVE_OPENSSL_ERR_H
#include <openssl/err.h>
#endif
#ifdef HAVE_OPENSSL_RAND_H
#include <openssl/rand.h>
#endif
#ifdef HAVE_OPENSSL_CONF_H
#include <openssl/conf.h>
#endif
#ifdef HAVE_OPENSSL_ENGINE_H
#include <openssl/engine.h>
#endif
#include <openssl/ssl.h>
#include <openssl/evp.h>
])
fi
AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
case "$enable_sha2" in
no)
;;
yes|*)
AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
;;
esac
# check wether gost also works
AC_DEFUN([AC_CHECK_GOST_WORKS],
[AC_REQUIRE([AC_PROG_CC])
AC_MSG_CHECKING([if GOST works])
if test c${cross_compiling} = cno; then
BAKCFLAGS="$CFLAGS"
if test -n "$ssldir"; then
CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
fi
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <string.h>
#include <openssl/ssl.h>
#include <openssl/evp.h>
#include <openssl/engine.h>
#include <openssl/conf.h>
/* routine to load gost (from sldns) */
int load_gost_id(void)
{
static int gost_id = 0;
const EVP_PKEY_ASN1_METHOD* meth;
ENGINE* e;
if(gost_id) return gost_id;
/* see if configuration loaded gost implementation from other engine*/
meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
if(meth) {
EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
return gost_id;
}
/* see if engine can be loaded already */
e = ENGINE_by_id("gost");
if(!e) {
/* load it ourself, in case statically linked */
ENGINE_load_builtin_engines();
ENGINE_load_dynamic();
e = ENGINE_by_id("gost");
}
if(!e) {
/* no gost engine in openssl */
return 0;
}
if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
ENGINE_finish(e);
ENGINE_free(e);
return 0;
}
meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
if(!meth) {
/* algo not found */
ENGINE_finish(e);
ENGINE_free(e);
return 0;
}
EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
return gost_id;
}
int main(void) {
EVP_MD_CTX* ctx;
const EVP_MD* md;
unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
const char* str = "Hello world";
const unsigned char check[] = {
0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
};
OPENSSL_config(NULL);
(void)load_gost_id();
md = EVP_get_digestbyname("md_gost94");
if(!md) return 1;
memset(digest, 0, sizeof(digest));
ctx = EVP_MD_CTX_create();
if(!ctx) return 2;
if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
/* uncomment to see the hash calculated.
{int i;
for(i=0; i<32; i++)
printf(" %2.2x", (int)digest[i]);
printf("\n");}
*/
if(memcmp(digest, check, sizeof(check)) != 0)
return 6;
return 0;
}
]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
CFLAGS="$BAKCFLAGS"
else
eval "ac_cv_c_gost_works=maybe"
fi
AC_MSG_RESULT($ac_cv_c_gost_works)
])dnl
AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
use_gost="no"
if test $USE_NSS = "no"; then
case "$enable_gost" in
no)
;;
*)
AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
AC_CHECK_GOST_WORKS
if test "$ac_cv_c_gost_works" != no; then
use_gost="yes"
AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
fi
;;
esac
fi dnl !USE_NSS
AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
use_ecdsa="no"
case "$enable_ecdsa" in
no)
;;
*)
if test $USE_NSS = "no"; then
AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
AC_CHECK_DECLS([NID_X9_62_prime256v1, NID_secp384r1], [], [AC_MSG_ERROR([OpenSSL does not support the ECDSA curves: please upgrade or rerun with --disable-ecdsa])], [AC_INCLUDES_DEFAULT
#include <openssl/evp.h>
])
# see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
AC_MSG_RESULT([no])
AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
else
AC_MSG_RESULT([yes])
fi
else
# not OpenSSL, thus likely LibreSSL, which supports it
AC_MSG_RESULT([yes])
fi
fi
# we now know we have ECDSA and the required curves.
AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
use_ecdsa="yes"
;;
esac
AC_ARG_ENABLE(draft-dnssec-roadblock-avoidance, AC_HELP_STRING([--enable-draft-dnssec-roadblock-avoidance], [Enable experimental dnssec roadblock avoidance]))
AC_ARG_ENABLE(draft-edns-cookies, AC_HELP_STRING([--enable-draft-edns-cookies], [Enable experimental edns cookies]))
AC_ARG_ENABLE(all-drafts, AC_HELP_STRING([--enable-all-drafts], [Enable cookies and roadblock avoidance]))
case "$enable_all_drafts" in
yes)
enable_draft_dnssec_roadblock_avoidance=yes
enable_draft_edns_cookies=yes
;;
no|*)
;;
esac
case "$enable_draft_dnssec_roadblock_avoidance" in
yes)
AC_DEFINE_UNQUOTED([DNSSEC_ROADBLOCK_AVOIDANCE], [1], [Define this to enable the experimental draft dnssec roadblock avoidance.])
;;
no|*)
;;
esac
case "$enable_draft_edns_cookies" in
yes)
if test "x_$HAVE_SSL" != "x_yes"; then
AC_MSG_ERROR([edns cookies need openssl libcrypto which is not available, please rerun without --enable-draft-edns-cookies])
fi
AC_DEFINE_UNQUOTED([EDNS_COOKIES], [1], [Define this to enable the experimental draft edns cookies.])
;;
no|*)
;;
esac
AC_DEFINE_UNQUOTED([EDNS_COOKIE_OPCODE], [10], [The edns cookie option code.])
AC_DEFINE_UNQUOTED([EDNS_COOKIE_ROLLOVER_TIME], [(24 * 60 * 60)], [How often the edns client cookie is refreshed.])
AC_DEFINE_UNQUOTED([MAXIMUM_UPSTREAM_OPTION_SPACE], [3000], [limit for dynamically-generated DNS options])
AC_DEFINE_UNQUOTED([EDNS_PADDING_OPCODE], [12], [The edns padding option code.])
my_with_libunbound=1
AC_ARG_ENABLE(stub-only, AC_HELP_STRING([--enable-stub-only], [Restricts resolution modes to STUB (which will be the default mode). Removes the libunbound dependency.]))
case "$enable_stub_only" in
yes)
my_with_libunbound=0
;;
no|*)
;;
esac
# search to set include and library paths right
# find libidn (no libidn on windows though)
AC_CHECK_HEADERS([windows.h winsock.h stdio.h winsock2.h ws2tcpip.h],,, [AC_INCLUDES_DEFAULT])
ACX_CHECK_GETADDRINFO_WITH_INCLUDES
if test "$USE_WINSOCK" = 1; then
AC_MSG_NOTICE([ Building on Windows ... YES! ])
AC_DEFINE_UNQUOTED([GETDNS_ON_WINDOWS], [1], [Define this to enable Windows build.])
AC_DEFINE_UNQUOTED([STUB_NATIVE_DNSSEC], [1])
LIBS="$LIBS -lgdi32 -liphlpapi"
my_with_libunbound=0
my_with_libidn=0
else
my_with_libidn=1
fi
if test $my_with_libidn = 1
then
AC_ARG_WITH(libidn, AS_HELP_STRING([--with-libidn=pathname],
[path to libidn (default: search /usr/local ..)]),
[], [withval="yes"])
if test x_$withval = x_yes; then
for dir in /usr/local /opt/local /usr/pkg /usr/sfw; do
if test -f "$dir/include/idna.h"; then
CFLAGS="$CFLAGS -I$dir/include"
LDFLAGS="$LDFLAGS -L$dir/lib"
AC_MSG_NOTICE([Found libidn in $dir])
break
fi
if test -f "$dir/include/idn/idna.h"; then
CFLAGS="$CFLAGS -I$dir/include/idn"
LDFLAGS="$LDFLAGS -L$dir/lib"
AC_MSG_NOTICE([Found libidn in $dir])
break
fi
done
if test -f "/usr/include/idn/idna.h"; then
CFLAGS="$CFLAGS -I/usr/include/idn"
#LDFLAGS="$LDFLAGS -L/usr/lib"
AC_MSG_NOTICE([Found libidn in /usr])
fi
else
if test x_$withval != x_no; then
CFLAGS="$CFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
else
my_with_libidn=0
fi
fi
fi
if test $my_with_libunbound = 1
then
# find libunbound
AC_ARG_WITH(libunbound, AS_HELP_STRING([--with-libunbound=pathname],
[path to libunbound (default: search /usr/local ..)]),
[], [withval="yes"])
if test x_$withval = x_yes; then
for dir in /usr/local /opt/local /usr/pkg /usr/sfw; do
if test -f "$dir/include/unbound.h"; then
CFLAGS="$CFLAGS -I$dir/include"
LDFLAGS="$LDFLAGS -L$dir/lib"
AC_MSG_NOTICE([Found libunbound in $dir])
break
fi
done
else
if test x_$withval != x_no; then
CFLAGS="$CFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
else
AC_DEFINE_UNQUOTED([DISABLE_RESOLUTION_RECURSING], [1], [Define this to disable recursing resolution type.])
my_with_libunbound=0
fi
fi
fi
# Checks for libraries.
found_all_libs=1
if test $my_with_libidn = 1
then
AC_MSG_NOTICE([Checking for dependency libidn])
AC_CHECK_LIB([idn], [idna_to_ascii_8z], [], [found_all_libs=0])
fi
if test $my_with_libunbound = 1
then
AC_MSG_NOTICE([Checking for dependency libunbound])
AC_CHECK_LIB([unbound], [ub_fd], [], [found_all_libs=0])
fi
if test $found_all_libs = 0
then
AC_MSG_ERROR([One more dependencies is missing])
fi
AC_PATH_PROG([DOXYGEN], [doxygen])
if test -z "$DOXYGEN";
then AC_MSG_WARN([doxygen not found, continuing without])
fi
# Checks for header files.
AC_CHECK_HEADERS([inttypes.h netinet/in.h stdint.h stdlib.h string.h],,, [AC_INCLUDES_DEFAULT])
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
AC_CHECK_TYPE([u_char])
AC_CHECK_FUNCS([fcntl])
# check ioctlsocket
AC_MSG_CHECKING(for ioctlsocket)
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
], [
(void)ioctlsocket(0, 0, NULL);
])], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_IOCTLSOCKET, 1, [if the function 'ioctlsocket' is available])
],[AC_MSG_RESULT(no)])
# Check for libraries for other things than libgetdns after this point,
# so the getdns libraries can be reset with:
#
# LIBS="$getdns_LIBS"
# LDFLAGS="$getdns_LDFLAGS"
#
# afterwards.
getdns_LIBS="$LIBS"
getdns_LDFLAGS="$LDFLAGS"
getdns_CFLAGS="$CFLAGS"
#-------------------- libraries needed for libcheck
LIBS="$initial_LIBS"
CHECK_GETDNS=""
CHECK_LIBS=""
CHECK_CFLAGS=""
PKG_CHECK_MODULES([CHECK],[check >= 0.9.6],[CHECK_GETDNS="check_getdns"],[
AC_SEARCH_LIBS([floor], [m])
AC_SEARCH_LIBS([timer_create], [rt])
AC_SEARCH_LIBS([pthread_create], [pthread])
AC_SEARCH_LIBS([srunner_create],[check check_pic],[
CHECK_GETDNS="check_getdns"
CHECK_LIBS="$LIBS"],[
AC_SUBST(NOLIBCHECK, [nolibcheck])
AC_MSG_WARN([libcheck not found or usable; unit tests will not be compiled and run])])])
LIBS="$getdns_LIBS"
AC_SUBST([CHECK_GETDNS])
AC_SUBST([CHECK_LIBS])
AC_SUBST([CHECK_CFLAGS])
# end libraries needed for libcheck
# find libldns
LIBS="$initial_LIBS"
LDNS_LIBS=""
LDNS_CFLAGS=""
LDNS_LDFLAGS=""
NOLIBLDNS=""
AC_ARG_WITH(libldns, AS_HELP_STRING([--with-libldns=pathname],
[path to libldns (default: search /usr/local ..)]),
[], [withval="yes"])
if test x_$withval = x_yes; then
for dir in /usr/local /opt/local /usr/pkg /usr/sfw; do
if test -f "$dir/include/ldns/ldns.h"; then
LDNS_CFLAGS="-I$dir/include"
LDNS_LDFLAGS="-L$dir/lib"
CFLAGS="$CFLAGS $LDNS_CFLAGS"
LDFLAGS="$LDFLAGS $LDNS_LDFLAGS"
AC_MSG_NOTICE([Found libldns in $dir])
break
fi
done
else
if test x_$withval != x_no; then
LDNS_CFLAGS="-I$withval/include"
LDNS_LDFLAGS="-L$withval/lib"
CFLAGS="$CFLAGS $LDNS_CFLAGS"
LDFLAGS="$LDFLAGS $LDNS_LDFLAGS"
else
NOLIBLDNS="nolibldns"
AC_MSG_WARN([libldns not found or usable; unit tests will not be compiled and run])
fi
fi
if test x$NOLIBLDNS = x
then
AC_CHECK_LIB([ldns], [ldns_dname_new_frm_str], [
LDNS_LIBS="-lldns"
AC_DEFINE_UNQUOTED(HAVE_LIBLDNS, [1], [Have libldns])
], [
NOLIBLDNS="nolibldns"
AC_MSG_WARN([libldns not found or usable; unit tests will not be compiled and run])
])
fi
AC_SUBST([LDNS_LIBS])
AC_SUBST([LDNS_CFLAGS])
AC_SUBST([LDNS_LDFLAGS])
AC_SUBST([NOLIBLDNS])
LIBS="$getdns_LIBS"
CFLAGS="$getdns_CFLAGS"
LDFLAGS="$getdns_LDFLAGS"
#-------------------- libevent extension
AC_ARG_WITH([libevent],
[AS_HELP_STRING([--with-libevent], [path to libevent (default: search /usr/local ..)])],
[with_libevent=search],
[withval=no])
# libevent 1.x requires a u_char typedef which is not always available
# on some systems so our check is a little complicated
# we further need to ensure that this is included in the getdns headers
# that get installed later so some users may not be building in an
# environment that has the generated config.h SO we need to generate
# this one extra header in that case
have_libevent=0
EXTENSION_LIBEVENT_EXT_LIBS=""
EXTENSION_LIBEVENT_LIB=""
EXTENSION_LIBEVENT_LDFLAGS=""
CHECK_EVENT_PROG=""
AS_IF([test x_$withval = x_no],
[],
[AS_IF([test x_$withval = x_yes],
[AC_SEARCH_LIBS([event_loop],
[event_core event],
[AC_CHECK_FUNCS([event_base_new event_base_free])]
[AC_CHECK_HEADERS([event2/event.h],
[have_libevent=1]
[AS_IF([test "x_$ac_cv_search_event_loop" = "x_none required"],[],[EXTENSION_LIBEVENT_EXT_LIBS="$ac_cv_search_event_loop"])],
[AC_CHECK_HEADERS([event.h],
[have_libevent=1]
[AS_IF([test "x_$ac_cv_search_event_loop" = "x_none required"],[],[EXTENSION_LIBEVENT_EXT_LIBS="$ac_cv_search_event_loop"])],
[AC_MSG_ERROR([event2/event.h and event.h missing, try without libevent])]
[have_libevent=0],
[AC_INCLUDES_DEFAULT]
[#if HAVE_U_CHAR == 0
typedef unsigned char u_char;
#endif])],
[AC_INCLUDES_DEFAULT])],
[AC_MSG_ERROR([libevent missing, try without libevent])]
)],
[have_libevent=1]
[AC_MSG_NOTICE([assuming libevent in $withval])]
[CFLAGS="$CFLAGS -I$withval/include"]
[EXTENSION_LIBEVENT_LDFLAGS="-L$withval/lib"]
[EXTENSION_LIBEVENT_EXT_LIBS="-levent"])]
)
AS_IF([test x_$have_libevent = x_1],
[EXTENSION_LIBEVENT_LIB="libgetdns_ext_event.la"]
[CHECK_EVENT_PROG=check_getdns_event]
# libunbound version 1.4.22 and older, not linked against libevent, on FreeBSD,
# =============================================================================
# cannot be linked against a program that also links libevent, because of
# symbol clash. Libunbound has a libevent clone (called mini_event) build when
# not linked against libevent that uses the same symbols as libevent.
# First detect if the libevent symbols are visible when linking with libunbound
[LIBS="$getdns_LIBS"]
[LDFLAGS="$getdns_LDFLAGS"]
[AC_MSG_CHECKING([if event_get_version symbol is leaking from libunbound])]
[AC_LANG_PUSH(C)]
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[const char *event_get_version(void);]],
[[const char *v = event_get_version();]])
],[[AC_MSG_RESULT([yes])]
[AC_MSG_CHECKING([if libunbound is linked against libevent])]
AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
[[const char *event_get_version(void);]],
[[const char *v = event_get_version();]
[return v@<:@0@:>@ == 'm' && v@<:@1@:>@ == 'i' &&
v@<:@2@:>@ == 'n' && v@<:@3@:>@ == 'i' ? 1 : 0;]])
],[[AC_MSG_RESULT([yes])]
],[[AC_MSG_RESULT([no])]
[AC_MSG_FAILURE([
***
*** On this system, when using libevent, libunbound must
*** also have been compiled with libevent. Please recompile
*** libunbound with libevent, or configure --without-libevent.
***])]
]
)
],[[AC_MSG_RESULT([no])]
]
)
[AC_LANG_POP(C)])
AC_SUBST(have_libevent)
AC_SUBST(EXTENSION_LIBEVENT_LIB)
AC_SUBST(EXTENSION_LIBEVENT_EXT_LIBS)
AC_SUBST(EXTENSION_LIBEVENT_LDFLAGS)
AS_IF([test "x$have_libcheck" = x1], [AC_SUBST(CHECK_EVENT_PROG)])
LIBS="$getdns_LIBS"
LDFLAGS="$getdns_LDFLAGS"
# end libevent extension
#-------------------- libuv extension
# if user says nothing about libuv, or specifies --with-libuv=no or --without-libuv
# then we do not want libuv extensions built
# if user specifies --with-libuv then search for it
# if user specifies --with-libuv=/path then check the lib at that path
AC_ARG_WITH([libuv],
[AS_HELP_STRING([--with-libuv], [path to libuv (default: search /usr/local ..)])],
[with_libuv=search],
[withval=no])
have_libuv=0
EXTENSION_LIBUV_EXT_LIBS=""
EXTENSION_LIBUV_LIB=""
EXTENSION_LIBUV_LDFLAGS=""
CHECK_UV_PROG=""
AS_IF([test x_$withval = x_no],
[],
[AS_IF([test x_$withval = x_yes],
[AC_SEARCH_LIBS([uv_run],
[uv],
[AC_CHECK_HEADERS([uv.h],
[have_libuv=1]
[EXTENSION_LIBUV_EXT_LIBS="$ac_cv_search_uv_run"],
[AC_MSG_ERROR([uv.h missing, try without libuv])]
[have_libuv=0],
[AC_INCLUDES_DEFAULT])],
[AC_MSG_ERROR([libuv missing, try without libuv])]
)],
[have_libuv=1]
[AC_MSG_NOTICE([assuming libuv in $withval])]
[CFLAGS="$CFLAGS -I$withval/include"]
[EXTENSION_LIBUV_LDFLAGS="-L$withval/lib"]
[EXTENSION_LIBUV_EXT_LIBS="-luv"])]
)
AS_IF([test x_$have_libuv = x_1],
[EXTENSION_LIBUV_LIB="libgetdns_ext_uv.la"]
[CHECK_UV_PROG=check_getdns_uv]
[AC_MSG_CHECKING([for new signature of uv_timer_cb])
AC_LANG_PUSH(C)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <uv.h>]
[void test_cb(uv_timer_t *handle);]],
[[uv_timer_cb cb = test_cb;]
[(*cb)(0);]])
],[AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_NEW_UV_TIMER_CB, [1], [Does libuv have the new uv_time_cb signature])
],[AC_MSG_RESULT([no])
])
AC_LANG_POP(C)]
)
AC_SUBST(have_libuv)
AC_SUBST(EXTENSION_LIBUV_LIB)
AC_SUBST(EXTENSION_LIBUV_EXT_LIBS)
AC_SUBST(EXTENSION_LIBUV_LDFLAGS)
AS_IF([test "x$have_libcheck" = x1], [AC_SUBST(CHECK_UV_PROG)])
LIBS="$getdns_LIBS"
LDFLAGS="$getdns_LDFLAGS"
# end libuv extension
#-------------------- libev extension
AC_ARG_WITH([libev],
[AS_HELP_STRING([--with-libev], [path to libev (default: search /usr/local ..)])],
[with_libev=search],
[withval=no])
have_libev=0
EXTENSION_LIBEV_EXT_LIBS=""
EXTENSION_LIBEV_LIB=""
EXTENSION_LIBEV_LDFLAGS=""
CHECK_EV_PROG=""
AS_IF([test x_$withval = x_no],
[],
[AS_IF([test x_$withval = x_yes],
[AC_SEARCH_LIBS([ev_run],
[ev],
[AC_CHECK_HEADERS([ev.h],
[have_libev=1]
[EXTENSION_LIBEV_EXT_LIBS="$ac_cv_search_ev_run"],
[AC_CHECK_HEADERS([libev/ev.h],
[have_libev=1]
[EXTENSION_LIBEV_EXT_LIBS="$ac_cv_search_ev_run"],
[AC_MSG_ERROR([ev.h missing, try without libev])]
[have_libev=0],
[AC_INCLUDES_DEFAULT])
],
[AC_INCLUDES_DEFAULT])
],
[AC_MSG_ERROR([libev missing, try without libev])]
)],
[have_libev=1]
[AC_MSG_NOTICE([assuming libev in $withval])]
[CFLAGS="$CFLAGS -I$withval/include"]
[EXTENSION_LIBEV_LDFLAGS="-L$withval/lib"]
[EXTENSION_LIBEV_EXT_LIBS="-lev"])]
)
AS_IF([test x_$have_libev = x_1],
[EXTENSION_LIBEV_LIB="libgetdns_ext_ev.la"]
[CHECK_EV_PROG=check_getdns_ev])
AC_SUBST(have_libev)
AC_SUBST(EXTENSION_LIBEV_LIB)
AC_SUBST(EXTENSION_LIBEV_EXT_LIBS)
AC_SUBST(EXTENSION_LIBEV_LDFLAGS)
AS_IF([test "x$have_libcheck" = x1], [AC_SUBST(CHECK_EV_PROG)])
LIBS="$getdns_LIBS"
LDFLAGS="$getdns_LDFLAGS"
# end libev extension
# --with-trust-anchor=
AC_DEFINE([SYSCONFDIR], [sysconfdir], [System configuration dir])
AC_ARG_WITH(trust-anchor, AS_HELP_STRING([--with-trust-anchor=KEYFILE], [Default location of the trust anchor file. [default=SYSCONFDIR/unbound/getdns-root.key]]), [
TRUST_ANCHOR_FILE="$withval"
],[
if test "x$TRUST_ANCHOR_FILE" = "x"; then
if test "x$sysconfdir" = 'x${prefix}/etc' ; then
if test "x$prefix" = 'xNONE' ; then
TRUST_ANCHOR_FILE="/etc/unbound/getdns-root.key"
else
TRUST_ANCHOR_FILE="${prefix}/etc/unbound/getdns-root.key"
fi
else
TRUST_ANCHOR_FILE="${sysconfdir}/unbound/getdns-root.key"
fi
fi
])
AC_DEFINE_UNQUOTED([TRUST_ANCHOR_FILE], ["$TRUST_ANCHOR_FILE"], [Default trust anchor file])
AC_SUBST(TRUST_ANCHOR_FILE)
AC_MSG_NOTICE([Default trust anchor: $TRUST_ANCHOR_FILE])
AC_ARG_WITH(getdns_query, AS_HELP_STRING([--with-getdns_query],
[Also compile and install the getdns_query tool]),
[], [withval="no"])
if test x_$withval = x_no; then
GETDNS_QUERY=""
INSTALL_GETDNS_QUERY=""
UNINSTALL_GETDNS_QUERY=""
else
GETDNS_QUERY="getdns_query"
INSTALL_GETDNS_QUERY="install-getdns_query"
UNINSTALL_GETDNS_QUERY="uninstall-getdns_query"
fi
AC_SUBST(GETDNS_QUERY)
AC_SUBST(INSTALL_GETDNS_QUERY)
AC_SUBST(UNINSTALL_GETDNS_QUERY)
AC_CONFIG_FILES([Makefile src/Makefile src/version.c src/getdns/getdns.h src/getdns/getdns_extra.h spec/example/Makefile src/test/Makefile doc/Makefile getdns.pc])
if [ test -n "$DOXYGEN" ]
then AC_CONFIG_FILES([src/Doxyfile])
fi
dnl -----
dnl ----- Start of "Things needed for gldns" section
dnl -----
dnl ---------------------------------------------------------------------------
AC_CHECK_HEADERS([stdarg.h stdint.h netinet/in.h arpa/inet.h netdb.h sys/socket.h time.h sys/time.h bsd/string.h sys/select.h],,, [AC_INCLUDES_DEFAULT])
dnl Check the printf-format attribute (if any)
dnl result in HAVE_ATTR_FORMAT.
dnl
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "format" attribute)
AC_CACHE_VAL(ac_cv_c_format_attribute,
[ac_cv_c_format_attribute=no
AC_TRY_COMPILE(
[#include <stdio.h>
void f (char *format, ...) __attribute__ ((format (printf, 1, 2)));
void (*pf) (char *format, ...) __attribute__ ((format (printf, 1, 2)));
], [
f ("%s", "str");
],
[ac_cv_c_format_attribute="yes"],
[ac_cv_c_format_attribute="no"])
])
AC_MSG_RESULT($ac_cv_c_format_attribute)
if test $ac_cv_c_format_attribute = yes; then
AC_DEFINE(HAVE_ATTR_FORMAT, 1, [Whether the C compiler accepts the "format" attribute])
fi
AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "unused" attribute)
AC_CACHE_VAL(ac_cv_c_unused_attribute,
[ac_cv_c_unused_attribute=no
AC_TRY_COMPILE(
[#include <stdio.h>
void f (char *u __attribute__((unused)));
], [
f ("x");
],
[ac_cv_c_unused_attribute="yes"],
[ac_cv_c_unused_attribute="no"])
])
AC_MSG_RESULT($ac_cv_c_unused_attribute)
if test $ac_cv_c_unused_attribute = yes; then
AC_DEFINE(HAVE_ATTR_UNUSED, 1, [Whether the C compiler accepts the "unused" attribute])
fi
AC_CHECK_DECLS([strlcpy,arc4random,arc4random_uniform])
AC_REPLACE_FUNCS(inet_pton)
AC_REPLACE_FUNCS(inet_ntop)
AC_REPLACE_FUNCS(strlcpy)
AC_REPLACE_FUNCS(arc4random)
AC_REPLACE_FUNCS(arc4random_uniform)
if test "$ac_cv_func_arc4random" = "no"; then
AC_LIBOBJ(explicit_bzero)
AC_LIBOBJ(arc4_lock)
AC_CHECK_FUNCS([getentropy],,[
if test "$USE_WINSOCK" = 1; then
AC_LIBOBJ(getentropy_win)
else
case `uname` in
Darwin)
AC_LIBOBJ(getentropy_osx)
;;
SunOS)
AC_LIBOBJ(getentropy_solaris)
AC_CHECK_HEADERS([sys/sha2.h],, [
AC_CHECK_FUNCS([SHA512_Update],,[
AC_LIBOBJ(sha512)
])
], [AC_INCLUDES_DEFAULT])
if test "$ac_cv_header_sys_sha2_h" = "yes"; then
# this lib needed for sha2 on solaris
LIBS="$LIBS -lmd"
fi
AC_SEARCH_LIBS([clock_gettime], [rt])
;;
Linux|*)
AC_LIBOBJ(getentropy_linux)
dnl AC_CHECK_FUNCS([SHA512_Update],,[
dnl AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
dnl AC_LIBOBJ(sha512)
dnl])
AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS([getauxval])
AC_SEARCH_LIBS([clock_gettime], [rt])
;;