# -*- 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/ax_check_compile_flag.m4) sinclude(./m4/pkg.m4) AC_INIT([getdns], [0.3.4], [stub-resolver@verisignlabs.com], [], [https://getdnsapi.net]) AC_SUBST(RELEASE_CANDIDATE, [rc1]) # 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, [0x00030301]) AC_SUBST(API_VERSION, ["July 2015"]) AC_SUBST(API_NUMERIC_VERSION, [0x07df0700]) GETDNS_COMPILATION_COMMENT="AC_PACKAGE_NAME $GETDNS_VERSION configured on $CURRENT_DATE for the $API_VERSION version of the API" # Library version # --------------- # current:revision:age # (binary-api-number):(which-binary-api-version):(how-many-nrs-backwardscompat) # if source code changes increment revision # if any interfaces have been added/removed/changed since last update then # increment current and set revision to 0 # if any interfaces have been added since the last public release then increment age # if any interfaces have been removed or changed since the last public release then # set age to 0 # # getdns-0.1.4 had libversion 0:0:0 # getdns-0.1.5 had libversion 1:0:0 # getdns-0.1.6 had libversion 1:1:0 # getdns-0.1.7 had libversion 1:2:1 (but should have had 2:0:1) # getdns-0.1.8 had libversion 1:3:0 (but should have had 2:1:1) # getdns-0.2.0 had libversion 2:2:1 # getdns-0.3.0 had libversion 3:3:2 # getdns-0.3.1 had libversion 3:4:2 # getdns-0.3.2 had libversion 3:5:2 # getdns-0.3.3 has libversion 3:6:2 # getdns-0.3.4 will have libversion 3:7:2 # GETDNS_LIBVERSION=3:6:2 AC_SUBST(GETDNS_COMPILATION_COMMENT) AC_SUBST(GETDNS_LIBVERSION) AC_CONFIG_SRCDIR([src/getdns/getdns.h.in]) # AM_INIT_AUTOMAKE # LT_INIT AC_CONFIG_MACRO_DIR([m4]) AC_PROG_CC AC_PROG_CPP # Checks for programs. AC_CANONICAL_HOST CFLAGS="$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" ;; solaris* ) CFLAGS="$CFLAGS -D__EXTENSIONS__" # for strdup() from ;; darwin* ) CFLAGS="$CFLAGS -D_DARWIN_C_SOURCE" # for strlcpy() from ;; 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])) case "$enable_debug_sched" in yes) AC_DEFINE_UNQUOTED([SCHED_DEBUG], [1], [Define this to enable printing of scheduling debugging messages.]) ;; no|*) ;; esac AC_ARG_ENABLE(debug-stub, AC_HELP_STRING([--enable-debug-stub], [Enable stub debugging messages])) case "$enable_debug_stub" in yes) AC_DEFINE_UNQUOTED([STUB_DEBUG], [1], [Define this to enable printing of stub debugging messages.]) ;; no|*) ;; esac AC_ARG_ENABLE(debug-sec, AC_HELP_STRING([--enable-debug-sec], [Enable dnssec debugging messages])) case "$enable_debug_sec" in yes) AC_DEFINE_UNQUOTED([SEC_DEBUG], [1], [Define this to enable printing of dnssec debugging messages.]) ;; no|*) ;; esac AC_ARG_ENABLE(tcp-fastopen, AC_HELP_STRING([--enable-tcp-fastopen], [Enable TCP Fast Open])) case "$enable_tcp_fastopen" in yes) AC_CHECK_DECL([MSG_FASTOPEN], [], [AC_MSG_ERROR([TCP Fast Open is not available: please rerun without --enable-tcp-fastopen])], [AC_INCLUDES_DEFAULT #include ]) AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.]) ;; no|*) ;; esac # Not yet enabled by default as crash found when TCP fails. # 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 # 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.])], [AC_INCLUDES_DEFAULT # #include # ]) # 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 $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL]) # libressl provides these compat functions, but they may also be # declared by the OS in libc. See if they have been declared. AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform,reallocarray]) else AC_MSG_RESULT([no]) fi AC_CHECK_HEADERS([openssl/conf.h],,, [AC_INCLUDES_DEFAULT]) AC_CHECK_HEADERS([openssl/engine.h],,, [AC_INCLUDES_DEFAULT]) AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode]) AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [ AC_INCLUDES_DEFAULT #ifdef HAVE_OPENSSL_ERR_H #include #endif #ifdef HAVE_OPENSSL_RAND_H #include #endif #ifdef HAVE_OPENSSL_CONF_H #include #endif #ifdef HAVE_OPENSSL_ENGINE_H #include #endif #include #include ]) fi AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support])) case "$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 #include #include #include #include /* 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 ]) # 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 $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then AC_MSG_RESULT([no]) AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl]) else AC_MSG_RESULT([yes]) fi else # not OpenSSL, thus likely LibreSSL, which supports it AC_MSG_RESULT([yes]) fi fi # we now know we have ECDSA and the required curves. AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.]) use_ecdsa="yes" ;; esac AC_ARG_ENABLE(draft-edns-cookies, AC_HELP_STRING([--enable-draft-edns-cookies], [Enable experimental edns cookies])) case "$enable_draft_edns_cookies" in yes) if test "x_$HAVE_SSL" != "x_yes"; then AC_MSG_ERROR([edns cookies need openssl libcrypto which is not available, please rerun without --enable-draft-edns-cookies]) fi AC_DEFINE_UNQUOTED([EDNS_COOKIES], [1], [Define this to enable the experimental draft edns cookies.]) ;; no|*) ;; esac AC_DEFINE_UNQUOTED([EDNS_COOKIE_OPCODE], [10], [The edns cookie option code.]) AC_DEFINE_UNQUOTED([EDNS_COOKIE_ROLLOVER_TIME], [(24 * 60 * 60)], [How often the edns client cookie is refreshed.]) my_with_libunbound=1 AC_ARG_ENABLE(stub-only, AC_HELP_STRING([--enable-stub-only], [Restricts resolution modes to STUB (which will be the default mode). Removes the libunbound dependency.])) case "$enable_stub_only" in yes) my_with_libunbound=0 ;; no|*) ;; esac AC_ARG_WITH(getdns_query, AS_HELP_STRING([--with-getdns_query], [Also compile and install the getdns_query tool]), [], [withval="no"]) if test x_$withval = x_no; then GETDNS_QUERY="" INSTALL_GETDNS_QUERY="" UNINSTALL_GETDNS_QUERY="" else GETDNS_QUERY="getdns_query" INSTALL_GETDNS_QUERY="install-getdns_query" UNINSTALL_GETDNS_QUERY="uninstall-getdns_query" fi AC_SUBST(GETDNS_QUERY) AC_SUBST(INSTALL_GETDNS_QUERY) AC_SUBST(UNINSTALL_GETDNS_QUERY) # search to set include and library paths right # find libidn my_with_libidn=1 AC_ARG_WITH(libidn, AS_HELP_STRING([--with-libidn=pathname], [path to libidn (default: search /usr/local ..)]), [], [withval="yes"]) if test x_$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 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 #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_$have_libuv = x_1], [EXTENSION_LIBUV_LIB="libgetdns_ext_uv.la"] [CHECK_UV_PROG=check_getdns_uv] [AC_MSG_CHECKING([for new signature of uv_timer_cb]) AC_LANG_PUSH(C) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include ] [void test_cb(uv_timer_t *handle);]], [[uv_timer_cb cb = test_cb;] [(*cb)(0);]]) ],[AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_NEW_UV_TIMER_CB, [1], [Does libuv have the new uv_time_cb signature]) ],[AC_MSG_RESULT([no]) ]) AC_LANG_POP(C)] ) AC_SUBST(have_libuv) AC_SUBST(EXTENSION_LIBUV_LIB) AC_SUBST(EXTENSION_LIBUV_EXT_LIBS) AC_SUBST(EXTENSION_LIBUV_LDFLAGS) AS_IF([test "x$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: $TRUST_ANCHOR_FILE]) AC_CONFIG_FILES([Makefile src/Makefile src/version.c src/getdns/getdns.h src/getdns/getdns_extra.h spec/example/Makefile src/test/Makefile doc/Makefile]) if [ test -n "$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],,, [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 (${CC-cc}) accepts the "format" attribute) AC_CACHE_VAL(ac_cv_c_format_attribute, [ac_cv_c_format_attribute=no AC_TRY_COMPILE( [#include void f (char *format, ...) __attribute__ ((format (printf, 1, 2))); void (*pf) (char *format, ...) __attribute__ ((format (printf, 1, 2))); ], [ f ("%s", "str"); ], [ac_cv_c_format_attribute="yes"], [ac_cv_c_format_attribute="no"]) ]) AC_MSG_RESULT($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 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 $ac_cv_c_unused_attribute = yes; then AC_DEFINE(HAVE_ATTR_UNUSED, 1, [Whether the C compiler accepts the "unused" attribute]) fi AC_CHECK_DECLS([strlcpy,arc4random,arc4random_uniform]) AC_REPLACE_FUNCS(strlcpy) AC_REPLACE_FUNCS(arc4random) AC_REPLACE_FUNCS(arc4random_uniform) if test "$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]) ;; esac fi ]) fi AC_DEFINE(USE_MINI_EVENT, 1, [Needed for sync stub resolver functions]) AC_TYPE_SIGNAL case `uname` in FreeBSD) C99COMPATFLAGS="" ;; *) C99COMPATFLAGS="-D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600" ;; esac AC_SUBST(C99COMPATFLAGS) AH_BOTTOM([ #include #ifdef __cplusplus extern "C" { #endif #if STDC_HEADERS #include #include #endif #if !defined(HAVE_STRLCPY) || !HAVE_DECL_STRLCPY size_t strlcpy(char *dst, const char *src, size_t siz); #else #define __BSD_VISIBLE 1 #endif #if !defined(HAVE_ARC4RANDOM) || !HAVE_DECL_ARC4RANDOM uint32_t arc4random(void); #endif #if !defined(HAVE_ARC4RANDOM_UNIFORM) || !HAVE_DECL_ARC4RANDOM_UNIFORM uint32_t arc4random_uniform(uint32_t upper_bound); #endif #ifndef HAVE_ARC4RANDOM void explicit_bzero(void* buf, size_t len); int getentropy(void* buf, size_t len); void arc4random_buf(void* buf, size_t n); void _ARC4_LOCK(void); void _ARC4_UNLOCK(void); #endif #ifdef COMPAT_SHA512 #ifndef SHA512_DIGEST_LENGTH #define SHA512_BLOCK_LENGTH 128 #define SHA512_DIGEST_LENGTH 64 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) typedef struct _SHA512_CTX { uint64_t state[8]; uint64_t bitcount[2]; uint8_t buffer[SHA512_BLOCK_LENGTH]; } SHA512_CTX; #endif /* SHA512_DIGEST_LENGTH */ void SHA512_Init(SHA512_CTX*); void SHA512_Update(SHA512_CTX*, void*, size_t); void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*); unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest); #endif /* COMPAT_SHA512 */ #ifdef __cplusplus } #endif /** Use on-board gldns */ #define USE_GLDNS 1 #ifdef HAVE_SSL # define GLDNS_BUILD_CONFIG_HAVE_SSL 1 #endif #include #include #include #include #ifdef HAVE_STDARG_H #include #endif #include #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_ARPA_INET_H #include #endif #ifdef HAVE_OPENSSL_SSL_H #include #endif #ifdef HAVE_ATTR_FORMAT # define ATTR_FORMAT(archetype, string_index, first_to_check) \ __attribute__ ((format (archetype, string_index, first_to_check))) #else /* !HAVE_ATTR_FORMAT */ # define ATTR_FORMAT(archetype, string_index, first_to_check) /* empty */ #endif /* !HAVE_ATTR_FORMAT */ #if defined(DOXYGEN) # define ATTR_UNUSED(x) x #elif defined(__cplusplus) # define ATTR_UNUSED(x) #elif defined(HAVE_ATTR_UNUSED) # define ATTR_UNUSED(x) x __attribute__((unused)) #else /* !HAVE_ATTR_UNUSED */ # define ATTR_UNUSED(x) x #endif /* !HAVE_ATTR_UNUSED */ /* detect if we need to cast to unsigned int for FD_SET to avoid warnings */ #ifdef HAVE_WINSOCK2_H #define FD_SET_T (u_int) #else #define FD_SET_T #endif #ifdef TIME_WITH_SYS_TIME # include # include #else # ifdef HAVE_SYS_TIME_H # include # else # include # endif #endif #ifdef HAVE_BSD_STRING_H #include #endif #ifdef HAVE_LIBUNBOUND #include #endif ]) dnl --------------------------------------------------------------------------- dnl ----- dnl ----- End of "Things needed for gldns" section dnl ----- AC_CONFIG_HEADER([src/config.h]) AC_OUTPUT