configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3 AC_PREREQ(2.56)
   4 sinclude(acx_nlnetlabs.m4)
   5 sinclude(ax_pthread.m4)
   6 sinclude(acx_python.m4)
   7 sinclude(ac_pkg_swig.m4)
   8 sinclude(dnstap/dnstap.m4)
   9 sinclude(dnscrypt/dnscrypt.m4)
  10
  11 # must be numbers. ac_defun because of later processing
  12 m4_define([VERSION_MAJOR],[1])
  13 m4_define([VERSION_MINOR],[6])
  14 m4_define([VERSION_MICRO],[7])
  15 AC_INIT(unbound, m4_defn([VERSION_MAJOR]).m4_defn([VERSION_MINOR]).m4_defn([VERSION_MICRO]), unbound-bugs@nlnetlabs.nl, unbound)
  16 AC_SUBST(UNBOUND_VERSION_MAJOR, [VERSION_MAJOR])
  17 AC_SUBST(UNBOUND_VERSION_MINOR, [VERSION_MINOR])
  18 AC_SUBST(UNBOUND_VERSION_MICRO, [VERSION_MICRO])
  19
  20 LIBUNBOUND_CURRENT=7
  21 LIBUNBOUND_REVISION=6
  22 LIBUNBOUND_AGE=5
  23 # 1.0.0 had 0:12:0
  24 # 1.0.1 had 0:13:0
  25 # 1.0.2 had 0:14:0
  26 # 1.1.0 had 0:15:0
  27 # 1.1.1 had 0:16:0
  28 # 1.2.0 had 0:17:0
  29 # 1.2.1 had 0:18:0
  30 # 1.3.0 had 1:0:0   # ub_cancel and -export-symbols.
  31 # 1.3.1 had 1:1:0
  32 # 1.3.2 had 1:2:0
  33 # 1.3.3 had 1:3:0
  34 # 1.3.4 had 1:4:0
  35 # 1.4.0-snapshots had 1:5:0
  36 # 1.4.0 had 1:5:0 (not 2:0:0)   # ub_result.why_bogus
  37 # 1.4.1 had 2:1:0
  38 # 1.4.2 had 2:2:0
  39 # 1.4.3 had 2:3:0
  40 # 1.4.4 had 2:4:0
  41 # 1.4.5 had 2:5:0
  42 # 1.4.6 had 2:6:0
  43 # 1.4.7 had 2:7:0
  44 # 1.4.8 had 2:8:0
  45 # 1.4.9 had 2:9:0
  46 # 1.4.10 had 2:10:0
  47 # 1.4.11 had 2:11:0
  48 # 1.4.12 had 2:12:0
  49 # 1.4.13 had 2:13:0
  50 # and 1.4.13p1 and 1.4.13.p2
  51 # 1.4.14 had 2:14:0
  52 # 1.4.15 had 3:0:1 # adds ub_version()
  53 # 1.4.16 had 3:1:1
  54 # 1.4.17 had 3:2:1
  55 # 1.4.18 had 3:3:1
  56 # 1.4.19 had 3:4:1
  57 # 1.4.20 had 4:0:2 # adds libunbound.ttl # but shipped 3:5:1
  58 # 1.4.21 had 4:1:2
  59 # 1.4.22 had 4:1:2
  60 # 1.5.0 had 5:3:3 # adds ub_ctx_add_ta_autr
  61 # 1.5.1 had 5:3:3
  62 # 1.5.2 had 5:5:3
  63 # 1.5.3 had 5:6:3
  64 # 1.5.4 had 5:7:3
  65 # 1.5.5 had 5:8:3
  66 # 1.5.6 had 5:9:3
  67 # 1.5.7 had 5:10:3
  68 # 1.5.8 had 6:0:4 # adds ub_ctx_set_stub
  69 # 1.5.9 had 6:1:4
  70 # 1.5.10 had 6:2:4
  71 # 1.6.0 had 6:3:4
  72 # 1.6.1 had 7:0:5 # ub_callback_t typedef renamed to ub_callback_type
  73 # 1.6.2 had 7:1:5
  74 # 1.6.3 had 7:2:5
  75 # 1.6.4 had 7:3:5
  76 # 1.6.5 had 7:4:5
  77 # 1.6.6 had 7:5:5
  78 # 1.6.7 had 7:6:5
  79
  80 #   Current  -- the number of the binary API that we're implementing
  81 #   Revision -- which iteration of the implementation of the binary
  82 #               API are we supplying?
  83 #   Age      -- How many previous binary API versions do we also
  84 #               support?
  85 #
  86 # If we release a new version that does not change the binary API,
  87 # increment Revision.
  88 #
  89 # If we release a new version that changes the binary API, but does
  90 # not break programs compiled against the old binary API, increment
  91 # Current and Age.  Set Revision to 0, since this is the first
  92 # implementation of the new API.
  93 #
  94 # Otherwise, we're changing the binary API and breaking backward
  95 # compatibility with old binaries.  Increment Current.  Set Age to 0,
  96 # since we're backward compatible with no previous APIs.  Set Revision
  97 # to 0 too.
  98 AC_SUBST(LIBUNBOUND_CURRENT)
  99 AC_SUBST(LIBUNBOUND_REVISION)
 100 AC_SUBST(LIBUNBOUND_AGE)
 101
 102 CFLAGS="$CFLAGS"
 103 AC_AIX
 104 if test "$ac_cv_header_minix_config_h" = "yes"; then
 105         AC_DEFINE(_NETBSD_SOURCE,1, [Enable for compile on Minix])
 106 fi
 107
 108 dnl
 109 dnl By default set prefix to /usr/local
 110 dnl
 111 case "$prefix" in
 112         NONE)
 113                 prefix="/usr/local"
 114         ;;
 115 esac
 116 case "$exec_prefix" in
 117         NONE)
 118                 exec_prefix="$prefix"
 119         ;;
 120 esac
 121
 122 # are we on MinGW?
 123 if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
 124 else
 125         if echo $host $target | grep mingw32 >/dev/null; then on_mingw="yes"
 126         else on_mingw="no"; fi
 127 fi
 128
 129 #
 130 # Determine configuration file
 131 # the eval is to evaluate shell expansion twice
 132 UNBOUND_SBIN_DIR=`eval echo "${sbindir}"`
 133 AC_SUBST(UNBOUND_SBIN_DIR)
 134 UNBOUND_SYSCONF_DIR=`eval echo "${sysconfdir}"`
 135 AC_SUBST(UNBOUND_SYSCONF_DIR)
 136 UNBOUND_LOCALSTATE_DIR=`eval echo "${localstatedir}"`
 137 AC_SUBST(UNBOUND_LOCALSTATE_DIR)
 138 if test $on_mingw = "no"; then
 139   ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
 140 else
 141   ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
 142 fi
 143 AC_ARG_WITH([conf_file],
 144         AC_HELP_STRING([--with-conf-file=path],
 145         [Pathname to the Unbound configuration file]),
 146         [ub_conf_file="$withval"])
 147 AC_SUBST(ub_conf_file)
 148 ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
 149 AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
 150 ub_conf_dir=`AS_DIRNAME(["$ub_conf_file"])`
 151 AC_SUBST(ub_conf_dir)
 152
 153 # Determine run, chroot directory and pidfile locations
 154 AC_ARG_WITH(run-dir,
 155     AC_HELP_STRING([--with-run-dir=path],
 156     [set default directory to chdir to (by default dir part of cfg file)]),
 157     UNBOUND_RUN_DIR="$withval",
 158 if test $on_mingw = no; then
 159     UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
 160 else
 161     UNBOUND_RUN_DIR=""
 162 fi
 163 )
 164 AC_SUBST(UNBOUND_RUN_DIR)
 165 ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
 166 AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
 167
 168 AC_ARG_WITH(chroot-dir,
 169     AC_HELP_STRING([--with-chroot-dir=path],
 170     [set default directory to chroot to (by default same as run-dir)]),
 171     UNBOUND_CHROOT_DIR="$withval",
 172 if test $on_mingw = no; then
 173     UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
 174 else
 175     UNBOUND_CHROOT_DIR=""
 176 fi
 177 )
 178 AC_SUBST(UNBOUND_CHROOT_DIR)
 179 ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
 180 AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
 181
 182 AC_ARG_WITH(share-dir,
 183     AC_HELP_STRING([--with-share-dir=path],
 184     [set default directory with shared data (by default same as share/unbound)]),
 185     UNBOUND_SHARE_DIR="$withval",
 186     UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
 187 AC_SUBST(UNBOUND_SHARE_DIR)
 188 AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
 189
 190 AC_ARG_WITH(pidfile,
 191     AC_HELP_STRING([--with-pidfile=filename],
 192     [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
 193     UNBOUND_PIDFILE="$withval",
 194 if test $on_mingw = no; then
 195     UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
 196 else
 197     UNBOUND_PIDFILE=""
 198 fi
 199 )
 200 AC_SUBST(UNBOUND_PIDFILE)
 201 ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
 202 AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
 203
 204 AC_ARG_WITH(rootkey-file,
 205     AC_HELP_STRING([--with-rootkey-file=filename],
 206     [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
 207     UNBOUND_ROOTKEY_FILE="$withval",
 208 if test $on_mingw = no; then
 209     UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
 210 else
 211     UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
 212 fi
 213 )
 214 AC_SUBST(UNBOUND_ROOTKEY_FILE)
 215 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
 216 AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
 217
 218 AC_ARG_WITH(rootcert-file,
 219     AC_HELP_STRING([--with-rootcert-file=filename],
 220     [set default pathname to root update certificate file (default run-dir/icannbundle.pem).  This file need not exist if you are content with the builtin.]),
 221     UNBOUND_ROOTCERT_FILE="$withval",
 222 if test $on_mingw = no; then
 223     UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
 224 else
 225     UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
 226 fi
 227 )
 228 AC_SUBST(UNBOUND_ROOTCERT_FILE)
 229 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
 230 AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
 231
 232 AC_ARG_WITH(username,
 233     AC_HELP_STRING([--with-username=user],
 234     [set default user that unbound changes to (default user is unbound)]),
 235     UNBOUND_USERNAME="$withval",
 236     UNBOUND_USERNAME="unbound")
 237 AC_SUBST(UNBOUND_USERNAME)
 238 AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
 239
 240 AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
 241 ACX_RSRC_VERSION(wnvs)
 242 AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
 243
 244 # Checks for typedefs, structures, and compiler characteristics.
 245 AC_C_CONST
 246 AC_LANG_C
 247 # allow user to override the -g -O2 flags.
 248 if test "x$CFLAGS" = "x" ; then
 249 ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
 250 ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
 251 fi
 252 AC_PROG_CC
 253 ACX_DEPFLAG
 254 ACX_DETERMINE_EXT_FLAGS_UNBOUND
 255
 256 # debug mode flags warnings
 257 AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
 258 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
 259 if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
 260 else debug_enabled="$enable_checking"; fi
 261 AC_SUBST(debug_enabled)
 262 case "$debug_enabled" in
 263         yes)
 264                 ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
 265                 ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
 266                 ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
 267                 ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
 268                 AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
 269                 ;;
 270         no|*)
 271                 # nothing to do.
 272                 ;;
 273 esac
 274 ACX_CHECK_FLTO
 275 ACX_CHECK_PIE
 276 ACX_CHECK_RELRO_NOW
 277
 278 AC_C_INLINE
 279 ACX_CHECK_FORMAT_ATTRIBUTE
 280 ACX_CHECK_UNUSED_ATTRIBUTE
 281
 282 AC_DEFUN([CHECK_WEAK_ATTRIBUTE],
 283 [AC_REQUIRE([AC_PROG_CC])
 284 AC_MSG_CHECKING(whether the C compiler (${CC-cc}) accepts the "weak" attribute)
 285 AC_CACHE_VAL(ac_cv_c_weak_attribute,
 286 [ac_cv_c_weak_attribute=no
 287 AC_TRY_COMPILE(
 288 [ #include <stdio.h>
 289 __attribute__((weak)) void f(int x) { printf("%d", x); }
 290 ], [
 291    f(1);
 292 ],
 293 [ac_cv_c_weak_attribute="yes"],
 294 [ac_cv_c_weak_attribute="no"])
 295 ])
 296
 297 AC_MSG_RESULT($ac_cv_c_weak_attribute)
 298 if test $ac_cv_c_weak_attribute = yes; then
 299   AC_DEFINE(HAVE_ATTR_WEAK, 1, [Whether the C compiler accepts the "weak" attribute])
 300 fi
 301 ])dnl End of CHECK_WEAK_ATTRIBUTE
 302
 303 CHECK_WEAK_ATTRIBUTE
 304
 305 if test "$srcdir" != "."; then
 306         CPPFLAGS="$CPPFLAGS -I$srcdir"
 307 fi
 308
 309 AC_DEFUN([ACX_YYLEX_DESTROY], [
 310         AC_MSG_CHECKING([for yylex_destroy])
 311         if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
 312                 AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
 313                 AC_MSG_RESULT(yes)
 314         else AC_MSG_RESULT(no); fi
 315 ])
 316
 317 AC_PROG_LEX
 318 ACX_YYLEX_DESTROY
 319 AC_PROG_YACC
 320 AC_CHECK_PROG(doxygen, doxygen, doxygen)
 321 AC_CHECK_TOOL(STRIP, strip)
 322 ACX_LIBTOOL_C_ONLY
 323
 324 # Checks for header files.
 325 AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h netinet/tcp.h sys/param.h sys/socket.h sys/un.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h endian.h sys/ipc.h sys/shm.h],,, [AC_INCLUDES_DEFAULT])
 326
 327 # check for types.
 328 # Using own tests for int64* because autoconf builtin only give 32bit.
 329 AC_CHECK_TYPE(int8_t, signed char)
 330 AC_CHECK_TYPE(int16_t, short)
 331 AC_CHECK_TYPE(int32_t, int)
 332 AC_CHECK_TYPE(int64_t, long long)
 333 AC_CHECK_TYPE(uint8_t, unsigned char)
 334 AC_CHECK_TYPE(uint16_t, unsigned short)
 335 AC_CHECK_TYPE(uint32_t, unsigned int)
 336 AC_CHECK_TYPE(uint64_t, unsigned long long)
 337 AC_TYPE_SIZE_T
 338 AC_CHECK_TYPE(ssize_t, int)
 339 AC_TYPE_UID_T
 340 AC_TYPE_PID_T
 341 AC_TYPE_OFF_T
 342 ACX_TYPE_U_CHAR
 343 ACX_TYPE_RLIM_T
 344 ACX_TYPE_SOCKLEN_T
 345 ACX_TYPE_IN_ADDR_T
 346 ACX_TYPE_IN_PORT_T
 347 ACX_CHECK_MEMCMP_SIGNED
 348
 349 AC_CHECK_SIZEOF(time_t,,[
 350 AC_INCLUDES_DEFAULT
 351 #ifdef TIME_WITH_SYS_TIME
 352 # include <sys/time.h>
 353 # include <time.h>
 354 #else
 355 # ifdef HAVE_SYS_TIME_H
 356 #  include <sys/time.h>
 357 # else
 358 #  include <time.h>
 359 # endif
 360 #endif
 361 ])
 362
 363 # add option to disable the evil rpath
 364 ACX_ARG_RPATH
 365 AC_SUBST(RUNTIME_PATH)
 366
 367 # check to see if libraries are needed for these functions.
 368 AC_SEARCH_LIBS([inet_pton], [nsl])
 369 AC_SEARCH_LIBS([socket], [socket])
 370
 371 # check wether strptime also works
 372 AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
 373 [AC_REQUIRE([AC_PROG_CC])
 374 AC_MSG_CHECKING(whether strptime works)
 375 if test c${cross_compiling} = cno; then
 376 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 377 #define _XOPEN_SOURCE 600
 378 #include <time.h>
 379 int main(void) { struct tm tm; char *res;
 380 res = strptime("2010-07-15T00:00:00+00:00", "%t%Y%t-%t%m%t-%t%d%tT%t%H%t:%t%M%t:%t%S%t", &tm);
 381 if (!res) return 2;
 382 res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
 383 if (!res) return 1; return 0; }
 384 ]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
 385 else
 386 eval "ac_cv_c_strptime_works=maybe"
 387 fi
 388 AC_MSG_RESULT($ac_cv_c_strptime_works)
 389 if test $ac_cv_c_strptime_works = no; then
 390 AC_LIBOBJ(strptime)
 391 else
 392 AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
 393 fi
 394 ])dnl
 395
 396 # check some functions of the OS before linking libs (while still runnable).
 397 AC_FUNC_CHOWN
 398 AC_FUNC_FORK
 399 AC_TYPE_SIGNAL
 400 AC_FUNC_FSEEKO
 401 ACX_SYS_LARGEFILE
 402 ACX_CHECK_NONBLOCKING_BROKEN
 403 ACX_MKDIR_ONE_ARG
 404 AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
 405
 406 # set memory allocation checking if requested
 407 AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
 408         [ enable to memory allocation statistics, for debug purposes ]),
 409         , )
 410 AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
 411         [ enable for lightweight alloc assertions, for debug purposes ]),
 412         , )
 413 AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
 414         [ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
 415         , )
 416 if test x_$enable_alloc_nonregional = x_yes; then
 417         AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
 418 fi
 419 if test x_$enable_alloc_checks = x_yes; then
 420         AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
 421 else
 422         if test x_$enable_alloc_lite = x_yes; then
 423                 AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
 424         else
 425                 ACX_FUNC_MALLOC([unbound])
 426         fi
 427 fi
 428
 429 # check windows threads (we use them, not pthreads, on windows).
 430 if test "$on_mingw" = "yes"; then
 431 # check windows threads
 432         AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
 433         AC_MSG_CHECKING([for CreateThread])
 434         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
 435 #ifdef HAVE_WINDOWS_H
 436 #include <windows.h>
 437 #endif
 438 ], [
 439         HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
 440 ])],
 441         AC_MSG_RESULT(yes)
 442         AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
 443 ,
 444         AC_MSG_RESULT(no)
 445 )
 446
 447 else
 448 # not on mingw, check thread libraries.
 449
 450 # check for thread library.
 451 # check this first, so that the pthread lib does not get linked in via
 452 # libssl or libpython, and thus distorts the tests, and we end up using
 453 # the non-threadsafe C libraries.
 454 AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
 455  [use pthreads library, or --without-pthreads to disable threading support.]),
 456  [ ],[ withval="yes" ])
 457 ub_have_pthreads=no
 458 if test x_$withval != x_no; then
 459         AX_PTHREAD([
 460                 AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
 461                 if test -n "$PTHREAD_LIBS"; then
 462                   LIBS="$PTHREAD_LIBS $LIBS"
 463                 fi
 464                 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 465                 CC="$PTHREAD_CC"
 466                 ub_have_pthreads=yes
 467                 AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
 468
 469                 if echo "$CFLAGS" | $GREP -e "-pthread" >/dev/null; then
 470                 AC_MSG_CHECKING([if -pthread unused during linking])
 471                 # catch clang warning 'argument unused during compilation'
 472                 AC_LANG_CONFTEST([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
 473 [[
 474 int main(void) {return 0;}
 475 ]])])
 476                 pthread_unused="yes"
 477                 # first compile
 478                 echo "$CC $CFLAGS -c conftest.c -o conftest.o" >&AS_MESSAGE_LOG_FD
 479                 $CC $CFLAGS -c conftest.c -o conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
 480                 if test $? = 0; then
 481                         # then link
 482                         echo "$CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest contest.o" >&AS_MESSAGE_LOG_FD
 483                         $CC $CFLAGS -Werror $LDFLAGS $LIBS -o conftest conftest.o 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
 484                         if test $? -ne 0; then
 485                                 AC_MSG_RESULT(yes)
 486                                 CFLAGS=`echo "$CFLAGS" | sed -e 's/-pthread//'`
 487                                 PTHREAD_CFLAGS_ONLY="-pthread"
 488                                 AC_SUBST(PTHREAD_CFLAGS_ONLY)
 489                         else
 490                                 AC_MSG_RESULT(no)
 491                         fi
 492                 else
 493                         AC_MSG_RESULT(no)
 494                 fi # endif cc successful
 495                 rm -f conftest conftest.c conftest.o
 496                 fi # endif -pthread in CFLAGS
 497
 498                 ])
 499 fi
 500
 501 # check solaris thread library
 502 AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
 503         [use solaris native thread library.]), [ ],[ withval="no" ])
 504 ub_have_sol_threads=no
 505 if test x_$withval != x_no; then
 506         if test x_$ub_have_pthreads != x_no; then
 507             AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
 508         else
 509         AC_SEARCH_LIBS(thr_create, [thread],
 510         [
 511                 AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
 512
 513                 ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
 514                         [CFLAGS="$CFLAGS -D_REENTRANT"])
 515                 ub_have_sol_threads=yes
 516         ] , [
 517                 AC_ERROR([no solaris threads found.])
 518         ])
 519         fi
 520 fi
 521
 522 fi # end of non-mingw check of thread libraries
 523
 524 # Check for PyUnbound
 525 AC_ARG_WITH(pyunbound,
 526    AC_HELP_STRING([--with-pyunbound],
 527    [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
 528    [], [ withval="no" ])
 529
 530 ub_test_python=no
 531 ub_with_pyunbound=no
 532 if test x_$withval != x_no; then
 533    ub_with_pyunbound=yes
 534    ub_test_python=yes
 535 fi
 536
 537 # Check for Python module
 538 AC_ARG_WITH(pythonmodule,
 539    AC_HELP_STRING([--with-pythonmodule],
 540    [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
 541    [], [ withval="no" ])
 542
 543 ub_with_pythonmod=no
 544 if test x_$withval != x_no; then
 545    ub_with_pythonmod=yes
 546    ub_test_python=yes
 547 fi
 548
 549 # Check for Python & SWIG only on PyUnbound or PyModule
 550 if test x_$ub_test_python != x_no; then
 551
 552    # Check for Python
 553    ub_have_python=no
 554    ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
 555    AC_PYTHON_DEVEL
 556    if test ! -z "$PYTHON_VERSION"; then
 557         if test `$PYTHON -c "print('$PYTHON_VERSION' >= '2.4.0')"` = "False"; then
 558                 AC_ERROR([Python version >= 2.4.0 is required])
 559         fi
 560
 561       [PY_MAJOR_VERSION="`$PYTHON -c \"import sys; print(sys.version_info[0])\"`"]
 562       AC_SUBST(PY_MAJOR_VERSION)
 563       # Have Python
 564       AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
 565       if test -n "$LIBS"; then
 566         LIBS="$PYTHON_LDFLAGS $LIBS"
 567       else
 568         LIBS="$PYTHON_LDFLAGS"
 569       fi
 570       if test -n "$CPPFLAGS"; then
 571         CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
 572       else
 573         CPPFLAGS="$PYTHON_CPPFLAGS"
 574       fi
 575       ub_have_python=yes
 576       PC_PY_DEPENDENCY="python"
 577       AC_SUBST(PC_PY_DEPENDENCY)
 578
 579       # Check for SWIG
 580       ub_have_swig=no
 581       AC_PROG_SWIG(2.0.1)
 582       AC_MSG_CHECKING(SWIG)
 583       if test ! -x "$SWIG"; then
 584          AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
 585       else
 586          AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
 587          AC_SUBST(swig, "$SWIG")
 588          AC_MSG_RESULT(present)
 589
 590          # If have Python & SWIG
 591          # Declare PythonMod
 592          if test x_$ub_with_pythonmod != x_no; then
 593             AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
 594             WITH_PYTHONMODULE=yes
 595             AC_SUBST(WITH_PYTHONMODULE)
 596             PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
 597             AC_SUBST(PYTHONMOD_OBJ)
 598             PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
 599             AC_SUBST(PYTHONMOD_HEADER)
 600             PYTHONMOD_INSTALL=pythonmod-install
 601             AC_SUBST(PYTHONMOD_INSTALL)
 602             PYTHONMOD_UNINSTALL=pythonmod-uninstall
 603             AC_SUBST(PYTHONMOD_UNINSTALL)
 604          fi
 605
 606          # Declare PyUnbound
 607          if test x_$ub_with_pyunbound != x_no; then
 608             AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
 609             WITH_PYUNBOUND=yes
 610             AC_SUBST(WITH_PYUNBOUND)
 611             PYUNBOUND_OBJ="libunbound_wrap.lo"
 612             AC_SUBST(PYUNBOUND_OBJ)
 613             PYUNBOUND_TARGET="_unbound.la"
 614             AC_SUBST(PYUNBOUND_TARGET)
 615             PYUNBOUND_INSTALL=pyunbound-install
 616             AC_SUBST(PYUNBOUND_INSTALL)
 617             PYUNBOUND_UNINSTALL=pyunbound-uninstall
 618             AC_SUBST(PYUNBOUND_UNINSTALL)
 619          fi
 620       fi
 621    else
 622       AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
 623       ub_with_pyunbound=no
 624       ub_with_pythonmod=no
 625    fi
 626 fi
 627
 628 if test "`uname`" = "NetBSD"; then
 629         NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
 630         AC_SUBST(NETBSD_LINTFLAGS)
 631 fi
 632 CONFIG_DATE=`date +%Y%m%d`
 633 AC_SUBST(CONFIG_DATE)
 634
 635 # Checks for libraries.
 636
 637 # libnss
 638 USE_NSS="no"
 639 AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
 640         [use libnss instead of openssl, installed at path.]),
 641         [
 642         USE_NSS="yes"
 643         AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
 644         if test "$withval" != "" -a "$withval" != "yes"; then
 645                 CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
 646                 LDFLAGS="$LDFLAGS -L$withval/lib"
 647                 ACX_RUNTIME_PATH_ADD([$withval/lib])
 648                 CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
 649         else
 650                 CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
 651                 CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
 652         fi
 653         LIBS="$LIBS -lnss3 -lnspr4"
 654         SSLLIB=""
 655         ]
 656 )
 657
 658 # libnettle
 659 USE_NETTLE="no"
 660 AC_ARG_WITH([nettle], AC_HELP_STRING([--with-nettle=path],
 661         [use libnettle as crypto library, installed at path.]),
 662         [
 663         USE_NETTLE="yes"
 664         AC_DEFINE(HAVE_NETTLE, 1, [Use libnettle for crypto])
 665         AC_CHECK_HEADERS([nettle/dsa-compat.h],,, [AC_INCLUDES_DEFAULT])
 666         if test "$withval" != "" -a "$withval" != "yes"; then
 667                 CPPFLAGS="$CPPFLAGS -I$withval/include/nettle"
 668                 LDFLAGS="$LDFLAGS -L$withval/lib"
 669                 ACX_RUNTIME_PATH_ADD([$withval/lib])
 670         else
 671                 CPPFLAGS="$CPPFLAGS -I/usr/include/nettle"
 672         fi
 673         LIBS="$LIBS -lhogweed -lnettle -lgmp"
 674         SSLLIB=""
 675         ]
 676 )
 677
 678 # openssl
 679 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 680 ACX_WITH_SSL
 681 ACX_LIB_SSL
 682 SSLLIB="-lssl"
 683
 684 # check if -lcrypt32 is needed because CAPIENG needs that. (on windows)
 685 BAKLIBS="$LIBS"
 686 LIBS="-lssl $LIBS"
 687 AC_MSG_CHECKING([if libssl needs -lcrypt32])
 688 AC_TRY_LINK_FUNC([HMAC_Update], [
 689         AC_MSG_RESULT([no])
 690         LIBS="$BAKLIBS"
 691 ], [
 692         AC_MSG_RESULT([yes])
 693         LIBS="$BAKLIBS"
 694         LIBS="$LIBS -lcrypt32"
 695 ])
 696
 697 AC_MSG_CHECKING([for LibreSSL])
 698 if grep VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "LibreSSL" >/dev/null; then
 699         AC_MSG_RESULT([yes])
 700         AC_DEFINE([HAVE_LIBRESSL], [1], [Define if we have LibreSSL])
 701         # libressl provides these compat functions, but they may also be
 702         # declared by the OS in libc.  See if they have been declared.
 703         AC_CHECK_DECLS([strlcpy,strlcat,arc4random,arc4random_uniform,reallocarray])
 704 else
 705         AC_MSG_RESULT([no])
 706 fi
 707 AC_CHECK_HEADERS([openssl/conf.h openssl/engine.h openssl/bn.h openssl/dh.h openssl/dsa.h openssl/rsa.h],,, [AC_INCLUDES_DEFAULT])
 708 AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode EVP_MD_CTX_new OpenSSL_add_all_digests OPENSSL_init_crypto EVP_cleanup ERR_load_crypto_strings CRYPTO_cleanup_all_ex_data ERR_free_strings RAND_cleanup DSA_SIG_set0 EVP_dss1 EVP_DigestVerify])
 709
 710 # these check_funcs need -lssl
 711 BAKLIBS="$LIBS"
 712 LIBS="-lssl $LIBS"
 713 AC_CHECK_FUNCS([OPENSSL_init_ssl SSL_CTX_set_security_level])
 714 LIBS="$BAKLIBS"
 715
 716 AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free,SSL_CTX_set_ecdh_auto], [], [], [
 717 AC_INCLUDES_DEFAULT
 718 #ifdef HAVE_OPENSSL_ERR_H
 719 #include <openssl/err.h>
 720 #endif
 721
 722 #ifdef HAVE_OPENSSL_RAND_H
 723 #include <openssl/rand.h>
 724 #endif
 725
 726 #ifdef HAVE_OPENSSL_CONF_H
 727 #include <openssl/conf.h>
 728 #endif
 729
 730 #ifdef HAVE_OPENSSL_ENGINE_H
 731 #include <openssl/engine.h>
 732 #endif
 733 #include <openssl/ssl.h>
 734 #include <openssl/evp.h>
 735 ])
 736 fi
 737 AC_SUBST(SSLLIB)
 738
 739
 740 AC_ARG_ENABLE(sha1, AC_HELP_STRING([--disable-sha1], [Disable SHA1 RRSIG support, does not disable nsec3 support]))
 741 case "$enable_sha1" in
 742         no)
 743         ;;
 744         yes|*)
 745         AC_DEFINE([USE_SHA1], [1], [Define this to enable SHA1 support.])
 746         ;;
 747 esac
 748
 749
 750 AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
 751 case "$enable_sha2" in
 752         no)
 753         ;;
 754         yes|*)
 755         AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
 756         ;;
 757 esac
 758
 759 AC_ARG_ENABLE(subnet, AC_HELP_STRING([--enable-subnet], [Enable client subnet]))
 760 case "$enable_subnet" in
 761         yes)
 762         AC_DEFINE([CLIENT_SUBNET], [1], [Define this to enable client subnet option.])
 763         SUBNET_OBJ="edns-subnet.lo subnetmod.lo addrtree.lo subnet-whitelist.lo"
 764         AC_SUBST(SUBNET_OBJ)
 765         SUBNET_HEADER='$(srcdir)/edns-subnet/subnetmod.h $(srcdir)/edns-subnet/edns-subnet.h $(srcdir)/edns-subnet/subnet-whitelist.h $(srcdir)/edns-subnet/addrtree.h'
 766         AC_SUBST(SUBNET_HEADER)
 767         ;;
 768         no|*)
 769         ;;
 770 esac
 771
 772 # check wether gost also works
 773 AC_DEFUN([AC_CHECK_GOST_WORKS],
 774 [AC_REQUIRE([AC_PROG_CC])
 775 AC_MSG_CHECKING([if GOST works])
 776 if test c${cross_compiling} = cno; then
 777 BAKCFLAGS="$CFLAGS"
 778 if test -n "$ssldir"; then
 779         CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
 780 fi
 781 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 782 #include <string.h>
 783 #include <openssl/ssl.h>
 784 #include <openssl/evp.h>
 785 #include <openssl/engine.h>
 786 #include <openssl/conf.h>
 787 /* routine to load gost (from sldns) */
 788 int load_gost_id(void)
 789 {
 790         static int gost_id = 0;
 791         const EVP_PKEY_ASN1_METHOD* meth;
 792         ENGINE* e;
 793
 794         if(gost_id) return gost_id;
 795
 796         /* see if configuration loaded gost implementation from other engine*/
 797         meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
 798         if(meth) {
 799                 EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
 800                 return gost_id;
 801         }
 802
 803         /* see if engine can be loaded already */
 804         e = ENGINE_by_id("gost");
 805         if(!e) {
 806                 /* load it ourself, in case statically linked */
 807                 ENGINE_load_builtin_engines();
 808                 ENGINE_load_dynamic();
 809                 e = ENGINE_by_id("gost");
 810         }
 811         if(!e) {
 812                 /* no gost engine in openssl */
 813                 return 0;
 814         }
 815         if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
 816                 ENGINE_finish(e);
 817                 ENGINE_free(e);
 818                 return 0;
 819         }
 820
 821         meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
 822         if(!meth) {
 823                 /* algo not found */
 824                 ENGINE_finish(e);
 825                 ENGINE_free(e);
 826                 return 0;
 827         }
 828         EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
 829         return gost_id;
 830 }
 831 int main(void) {
 832         EVP_MD_CTX* ctx;
 833         const EVP_MD* md;
 834         unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
 835         const char* str = "Hello world";
 836         const unsigned char check[] = {
 837                 0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
 838                 0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
 839                 0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
 840                 0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
 841         };
 842         OPENSSL_config(NULL);
 843         (void)load_gost_id();
 844         md = EVP_get_digestbyname("md_gost94");
 845         if(!md) return 1;
 846         memset(digest, 0, sizeof(digest));
 847         ctx = EVP_MD_CTX_create();
 848         if(!ctx) return 2;
 849         if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
 850         if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
 851         if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
 852         /* uncomment to see the hash calculated.
 853                 {int i;
 854                 for(i=0; i<32; i++)
 855                         printf(" %2.2x", (int)digest[i]);
 856                 printf("\n");}
 857         */
 858         if(memcmp(digest, check, sizeof(check)) != 0)
 859                 return 6;
 860         return 0;
 861 }
 862 ]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
 863 CFLAGS="$BAKCFLAGS"
 864 else
 865 eval "ac_cv_c_gost_works=maybe"
 866 fi
 867 AC_MSG_RESULT($ac_cv_c_gost_works)
 868 ])dnl
 869
 870 AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
 871 use_gost="no"
 872 if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 873 case "$enable_gost" in
 874         no)
 875         ;;
 876         *)
 877         AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
 878         AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
 879         AC_CHECK_GOST_WORKS
 880         if test "$ac_cv_c_gost_works" != no; then
 881                 use_gost="yes"
 882                 AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
 883         fi
 884         ;;
 885 esac
 886 fi dnl !USE_NSS && !USE_NETTLE
 887
 888 AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
 889 use_ecdsa="no"
 890 case "$enable_ecdsa" in
 891     no)
 892       ;;
 893     *)
 894       if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 895               AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
 896               AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
 897               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
 898 #include <openssl/evp.h>
 899               ])
 900               # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
 901               AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
 902               if grep OPENSSL_VERSION_TEXT $ssldir/include/openssl/opensslv.h | grep "OpenSSL" >/dev/null; then
 903                 if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
 904                   AC_MSG_RESULT([no])
 905                   AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
 906                 else
 907                   AC_MSG_RESULT([yes])
 908                 fi
 909               else
 910                 # not OpenSSL, thus likely LibreSSL, which supports it
 911                 AC_MSG_RESULT([yes])
 912               fi
 913       fi
 914       # we now know we have ECDSA and the required curves.
 915       AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
 916       use_ecdsa="yes"
 917       ;;
 918 esac
 919
 920 AC_ARG_ENABLE(dsa, AC_HELP_STRING([--disable-dsa], [Disable DSA support]))
 921 use_dsa="no"
 922 case "$enable_dsa" in
 923     no)
 924       ;;
 925     *)
 926       # detect if DSA is supported, and turn it off if not.
 927       if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 928       AC_CHECK_FUNC(DSA_SIG_new, [
 929       AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
 930       ], [if test "x$enable_dsa" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support DSA and you used --enable-dsa.])
 931                fi ])
 932       else
 933       AC_DEFINE_UNQUOTED([USE_DSA], [1], [Define this to enable DSA support.])
 934       fi
 935       ;;
 936 esac
 937
 938 AC_ARG_ENABLE(ed25519, AC_HELP_STRING([--disable-ed25519], [Disable ED25519 support]))
 939 use_ed25519="no"
 940 case "$enable_ed25519" in
 941     no)
 942       ;;
 943     *)
 944       if test $USE_NSS = "no" -a $USE_NETTLE = "no"; then
 945               AC_CHECK_DECLS([NID_ED25519], [
 946                 use_ed25519="yes"
 947               ], [ if test "x$enable_ed25519" = "xyes"; then AC_MSG_ERROR([OpenSSL does not support ED25519 and you used --enable-ed25519.])
 948                 fi ], [AC_INCLUDES_DEFAULT
 949 #include <openssl/evp.h>
 950               ])
 951       fi
 952       if test $USE_NETTLE = "yes"; then
 953                 AC_CHECK_HEADERS([nettle/eddsa.h], use_ed25519="yes",, [AC_INCLUDES_DEFAULT])
 954       fi
 955       if test $use_ed25519 = "yes"; then
 956                 AC_DEFINE_UNQUOTED([USE_ED25519], [1], [Define this to enable ED25519 support.])
 957       fi
 958       ;;
 959 esac
 960
 961 AC_ARG_ENABLE(event-api, AC_HELP_STRING([--enable-event-api], [Enable (experimental) pluggable event base libunbound API installed to unbound-event.h]))
 962 case "$enable_event_api" in
 963     yes)
 964       AC_SUBST(UNBOUND_EVENT_INSTALL, [unbound-event-install])
 965       AC_SUBST(UNBOUND_EVENT_UNINSTALL, [unbound-event-uninstall])
 966       ;;
 967     *)
 968       ;;
 969 esac
 970
 971 AC_ARG_ENABLE(tfo-client, AC_HELP_STRING([--enable-tfo-client], [Enable TCP Fast Open for client mode]))
 972 case "$enable_tfo_client" in
 973         yes)
 974                 case `uname` in
 975                         Linux) AC_CHECK_DECL([MSG_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
 976                                              [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
 977                                              [AC_INCLUDES_DEFAULT
 978 #include <netinet/tcp.h>
 979 ])
 980                                         AC_DEFINE_UNQUOTED([USE_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
 981                           ;;
 982                         Darwin) AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support client mode TFO])],
 983                                               [AC_MSG_ERROR([TCP Fast Open is not available for client mode: please rerun without --enable-tfo-client])],
 984                                               [AC_INCLUDES_DEFAULT
 985 #include <sys/socket.h>
 986 ])
 987                                         AC_DEFINE_UNQUOTED([USE_OSX_MSG_FASTOPEN], [1], [Define this to enable client TCP Fast Open.])
 988                           ;;
 989                 esac
 990         ;;
 991         no|*)
 992                 ;;
 993 esac
 994
 995 AC_ARG_ENABLE(tfo-server, AC_HELP_STRING([--enable-tfo-server], [Enable TCP Fast Open for server mode]))
 996 case "$enable_tfo_server" in
 997         yes)
 998               AC_CHECK_DECL([TCP_FASTOPEN], [AC_MSG_WARN([Check the platform specific TFO kernel parameters are correctly configured to support server mode TFO])], [AC_MSG_ERROR([TCP Fast Open is not available for server mode: please rerun without --enable-tfo-server])], [AC_INCLUDES_DEFAULT
 999 #include <netinet/tcp.h>
1000               ])
1001                 AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable server TCP Fast Open.])
1002                 ;;
1003         no|*)
1004                 ;;
1005 esac
1006
1007 # check for libevent
1008 AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
1009     [use libevent (will check /usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr  or you can specify an explicit path). Slower, but allows use of large outgoing port ranges.]),
1010     [ ],[ withval="no" ])
1011 if test x_$withval = x_yes -o x_$withval != x_no; then
1012         AC_MSG_CHECKING(for libevent)
1013         if test x_$withval = x_ -o x_$withval = x_yes; then
1014             withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
1015         fi
1016         for dir in $withval; do
1017             thedir="$dir"
1018             if test -f "$dir/include/event.h" -o -f "$dir/include/event2/event.h"; then
1019                 found_libevent="yes"
1020                 dnl assume /usr is in default path.
1021                 if test "$thedir" != "/usr"; then
1022                     CPPFLAGS="$CPPFLAGS -I$thedir/include"
1023                 fi
1024                 break;
1025             fi
1026         done
1027         if test x_$found_libevent != x_yes; then
1028                 if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
1029                         # libevent source directory
1030                         AC_MSG_RESULT(found in $thedir)
1031                         CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
1032                         BAK_LDFLAGS_SET="1"
1033                         BAK_LDFLAGS="$LDFLAGS"
1034                         # remove evdns from linking
1035                         mkdir build >/dev/null 2>&1
1036                         mkdir build/libevent >/dev/null 2>&1
1037                         mkdir build/libevent/.libs >/dev/null 2>&1
1038                         ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1039                         ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
1040                         ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
1041                         cp $ev_files_o build/libevent
1042                         cp $ev_files_lo build/libevent
1043                         cp $ev_files_libso build/libevent/.libs
1044                         LATE_LDFLAGS="build/libevent/*.lo -lm"
1045                         LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
1046                 else
1047                         AC_MSG_ERROR([Cannot find the libevent library in $withval
1048 You can restart ./configure --with-libevent=no to use a builtin alternative.
1049 Please note that this alternative is not as capable as libevent when using
1050 large outgoing port ranges.  ])
1051                 fi
1052         else
1053             AC_MSG_RESULT(found in $thedir)
1054             dnl if event2 exists and no event lib in dir itself, use subdir
1055             if test ! -f $thedir/lib/libevent.a -a ! -f $thedir/lib/libevent.so -a -d "$thedir/lib/event2"; then
1056                     LDFLAGS="$LDFLAGS -L$thedir/lib/event2"
1057                     ACX_RUNTIME_PATH_ADD([$thedir/lib/event2])
1058             else
1059                     dnl assume /usr is in default path, do not add "".
1060                     if test "$thedir" != "/usr" -a "$thedir" != ""; then
1061                         LDFLAGS="$LDFLAGS -L$thedir/lib"
1062                         ACX_RUNTIME_PATH_ADD([$thedir/lib])
1063                     fi
1064             fi
1065         fi
1066         # check for library used by libevent after 1.3c
1067         AC_SEARCH_LIBS([clock_gettime], [rt])
1068
1069         # is the event.h header libev or libevent?
1070         AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
1071         AC_CHECK_DECL(EV_VERSION_MAJOR, [
1072                 AC_SEARCH_LIBS(event_set, [ev])
1073         ],[
1074                 AC_SEARCH_LIBS(event_set, [event])
1075         ],[AC_INCLUDES_DEFAULT
1076 #include <event.h>
1077         ])
1078         AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
1079         AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
1080         AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
1081         AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
1082         AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
1083         AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
1084         PC_LIBEVENT_DEPENDENCY="libevent"
1085         AC_SUBST(PC_LIBEVENT_DEPENDENCY)
1086         if test -n "$BAK_LDFLAGS_SET"; then
1087                 LDFLAGS="$BAK_LDFLAGS"
1088         fi
1089 else
1090         AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
1091 fi
1092
1093 # check for libexpat
1094 AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
1095     [specify explicit path for libexpat.]),
1096     [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
1097 AC_MSG_CHECKING(for libexpat)
1098 found_libexpat="no"
1099 for dir in $withval ; do
1100             if test -f "$dir/include/expat.h"; then
1101                 found_libexpat="yes"
1102                 dnl assume /usr is in default path.
1103                 if test "$dir" != "/usr"; then
1104                     CPPFLAGS="$CPPFLAGS -I$dir/include"
1105                     LDFLAGS="$LDFLAGS -L$dir/lib"
1106                 fi
1107                 AC_MSG_RESULT(found in $dir)
1108                 break;
1109             fi
1110 done
1111 if test x_$found_libexpat != x_yes; then
1112         AC_ERROR([Could not find libexpat, expat.h])
1113 fi
1114 AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
1115 AC_CHECK_DECLS([XML_StopParser], [], [], [AC_INCLUDES_DEFAULT
1116 #include <expat.h>
1117 ])
1118
1119 # set static linking if requested
1120 AC_SUBST(staticexe)
1121 staticexe=""
1122 AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
1123         [ enable to compile executables statically against (event) libs, for debug purposes ]),
1124         , )
1125 if test x_$enable_static_exe = x_yes; then
1126         staticexe="-static"
1127         if test "$on_mingw" = yes; then
1128                 staticexe="-all-static"
1129                 # for static compile, include gdi32 and zlib here.
1130                 if echo $LIBS | grep 'lgdi32' >/dev/null; then
1131                         :
1132                 else
1133                         LIBS="$LIBS -lgdi32"
1134                 fi
1135                 LIBS="$LIBS -lz"
1136         fi
1137 fi
1138
1139 # Include systemd.m4 - begin
1140 sinclude(systemd.m4)
1141 # Include systemd.m4 - end
1142
1143 # set lock checking if requested
1144 AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
1145         [ enable to check lock and unlock calls, for debug purposes ]),
1146         , )
1147 if test x_$enable_lock_checks = x_yes; then
1148         AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
1149         CHECKLOCK_OBJ="checklocks.lo"
1150         AC_SUBST(CHECKLOCK_OBJ)
1151 fi
1152
1153 ACX_CHECK_GETADDRINFO_WITH_INCLUDES
1154 if test "$USE_WINSOCK" = 1; then
1155         AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
1156         AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
1157 #include <windows.h>
1158         ])
1159         AC_CHECK_TOOL(WINDRES, windres)
1160         LIBS="$LIBS -liphlpapi"
1161         WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
1162         AC_SUBST(WINAPPS)
1163         WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
1164         AC_SUBST(WIN_DAEMON_SRC)
1165         WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
1166         AC_SUBST(WIN_DAEMON_OBJ)
1167         WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
1168         AC_SUBST(WIN_DAEMON_OBJ_LINK)
1169         WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
1170         AC_SUBST(WIN_HOST_OBJ_LINK)
1171         WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
1172         AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
1173         WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
1174         AC_SUBST(WIN_CONTROL_OBJ_LINK)
1175         WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
1176         AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
1177 fi
1178 if test $ac_cv_func_getaddrinfo = no; then
1179         AC_LIBOBJ([fake-rfc2553])
1180 fi
1181 # check after getaddrinfo for its libraries
1182 ACX_FUNC_IOCTLSOCKET
1183
1184 # see if daemon(3) exists, and if it is deprecated.
1185 AC_CHECK_FUNCS([daemon])
1186 if test $ac_cv_func_daemon = yes; then
1187         ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
1188 #include <stdlib.h>
1189 ])
1190 fi
1191
1192 AC_CHECK_MEMBERS([struct sockaddr_un.sun_len],,,[
1193 AC_INCLUDES_DEFAULT
1194 #ifdef HAVE_SYS_UN_H
1195 #include <sys/un.h>
1196 #endif
1197 ])
1198 AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
1199 AC_INCLUDES_DEFAULT
1200 #if HAVE_SYS_PARAM_H
1201 #include <sys/param.h>
1202 #endif
1203
1204 #ifdef HAVE_SYS_SOCKET_H
1205 #include <sys/socket.h>
1206 #endif
1207
1208 #ifdef HAVE_SYS_UIO_H
1209 #include <sys/uio.h>
1210 #endif
1211
1212 #ifdef HAVE_NETINET_IN_H
1213 #include <netinet/in.h>
1214 #endif
1215
1216 #ifdef HAVE_NETINET_TCP_H
1217 #include <netinet/tcp.h>
1218 #endif
1219
1220 #ifdef HAVE_ARPA_INET_H
1221 #include <arpa/inet.h>
1222 #endif
1223
1224 #ifdef HAVE_WINSOCK2_H
1225 #include <winsock2.h>
1226 #endif
1227
1228 #ifdef HAVE_WS2TCPIP_H
1229 #include <ws2tcpip.h>
1230 #endif
1231 ])
1232 AC_SEARCH_LIBS([setusercontext], [util])
1233 AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam endpwent getrlimit setrlimit setsid chroot kill chown sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex endservent endprotoent fsync shmget])
1234 AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
1235 AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
1236
1237 # check if setreuid en setregid fail, on MacOSX10.4(darwin8).
1238 if echo $build_os | grep darwin8 > /dev/null; then
1239         AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
1240 fi
1241 AC_CHECK_DECLS([inet_pton,inet_ntop], [], [], [
1242 AC_INCLUDES_DEFAULT
1243 #ifdef HAVE_NETINET_IN_H
1244 #include <netinet/in.h>
1245 #endif
1246
1247 #ifdef HAVE_NETINET_TCP_H
1248 #include <netinet/tcp.h>
1249 #endif
1250
1251 #ifdef HAVE_ARPA_INET_H
1252 #include <arpa/inet.h>
1253 #endif
1254
1255 #ifdef HAVE_WINSOCK2_H
1256 #include <winsock2.h>
1257 #endif
1258
1259 #ifdef HAVE_WS2TCPIP_H
1260 #include <ws2tcpip.h>
1261 #endif
1262 ])
1263 AC_REPLACE_FUNCS(inet_aton)
1264 AC_REPLACE_FUNCS(inet_pton)
1265 AC_REPLACE_FUNCS(inet_ntop)
1266 AC_REPLACE_FUNCS(snprintf)
1267 # test if snprintf return the proper length
1268 if test "x$ac_cv_func_snprintf" = xyes; then
1269     if test c${cross_compiling} = cno; then
1270         AC_MSG_CHECKING([for correct snprintf return value])
1271         AC_RUN_IFELSE([AC_LANG_SOURCE(AC_INCLUDES_DEFAULT
1272 [[
1273 int main(void) { return !(snprintf(NULL, 0, "test") == 4); }
1274 ]])], [AC_MSG_RESULT(yes)], [
1275                 AC_MSG_RESULT(no)
1276                 AC_DEFINE([SNPRINTF_RET_BROKEN], [], [define if (v)snprintf does not return length needed, (but length used)])
1277                 AC_LIBOBJ(snprintf)
1278           ])
1279     fi
1280 fi
1281 AC_REPLACE_FUNCS(strlcat)
1282 AC_REPLACE_FUNCS(strlcpy)
1283 AC_REPLACE_FUNCS(memmove)
1284 AC_REPLACE_FUNCS(gmtime_r)
1285 AC_REPLACE_FUNCS(isblank)
1286 dnl without CTIME, ARC4-functions and without reallocarray.
1287 LIBOBJ_WITHOUT_CTIMEARC4="$LIBOBJS"
1288 AC_SUBST(LIBOBJ_WITHOUT_CTIMEARC4)
1289 AC_REPLACE_FUNCS(reallocarray)
1290 if test "$USE_NSS" = "no"; then
1291         AC_REPLACE_FUNCS(arc4random)
1292         AC_REPLACE_FUNCS(arc4random_uniform)
1293         if test "$ac_cv_func_arc4random" = "no"; then
1294                 AC_LIBOBJ(explicit_bzero)
1295                 AC_LIBOBJ(arc4_lock)
1296                 AC_CHECK_FUNCS([getentropy],,[
1297                     if test "$USE_WINSOCK" = 1; then
1298                         AC_LIBOBJ(getentropy_win)
1299                     else
1300                         case "$host" in
1301                         Darwin|*darwin*)
1302                                 AC_LIBOBJ(getentropy_osx)
1303                         ;;
1304                         *solaris*|*sunos*|SunOS)
1305                                 AC_LIBOBJ(getentropy_solaris)
1306                                 AC_CHECK_HEADERS([sys/sha2.h],, [
1307                                         AC_CHECK_FUNCS([SHA512_Update],,[
1308                                                 AC_LIBOBJ(sha512)
1309                                         ])
1310                                 ], [AC_INCLUDES_DEFAULT])
1311                                 if test "$ac_cv_header_sys_sha2_h" = "yes"; then
1312                                         # this lib needed for sha2 on solaris
1313                                         LIBS="$LIBS -lmd"
1314                                 fi
1315                                 AC_SEARCH_LIBS([clock_gettime], [rt])
1316                         ;;
1317                         *linux*|Linux|*)
1318                                 AC_LIBOBJ(getentropy_linux)
1319                                 AC_CHECK_FUNCS([SHA512_Update],,[
1320                                         AC_DEFINE([COMPAT_SHA512], [1], [Do sha512 definitions in config.h])
1321                                         AC_LIBOBJ(sha512)
1322                                 ])
1323                                 AC_CHECK_HEADERS([sys/sysctl.h],,, [AC_INCLUDES_DEFAULT])
1324                                 AC_CHECK_FUNCS([getauxval])
1325                                 AC_SEARCH_LIBS([clock_gettime], [rt])
1326                         ;;
1327                         esac
1328                     fi
1329                 ])
1330         fi
1331 fi
1332 LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
1333 AC_SUBST(LIBOBJ_WITHOUT_CTIME)
1334 AC_REPLACE_FUNCS(ctime_r)
1335 AC_REPLACE_FUNCS(strsep)
1336
1337 AC_ARG_ENABLE(allsymbols, AC_HELP_STRING([--enable-allsymbols], [export all symbols from libunbound and link binaries to it, smaller install size but libunbound export table is polluted by internal symbols]))
1338 case "$enable_allsymbols" in
1339         yes)
1340         COMMON_OBJ_ALL_SYMBOLS=""
1341         UBSYMS=""
1342         EXTRALINK="-L. -L.libs -lunbound"
1343         AC_DEFINE(EXPORT_ALL_SYMBOLS, 1, [Define this if you enabled-allsymbols from libunbound to link binaries to it for smaller install size, but the libunbound export table is polluted by internal symbols])
1344         ;;
1345         no|*)
1346         COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
1347         UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
1348         EXTRALINK=""
1349         ;;
1350 esac
1351 AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
1352 AC_SUBST(EXTRALINK)
1353 AC_SUBST(UBSYMS)
1354 if test x_$enable_lock_checks = x_yes; then
1355         UBSYMS="-export-symbols clubsyms.def"
1356         cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
1357         echo lock_protect >> clubsyms.def
1358         echo lock_unprotect >> clubsyms.def
1359         echo lock_get_mem >> clubsyms.def
1360         echo checklock_start >> clubsyms.def
1361         echo checklock_stop >> clubsyms.def
1362         echo checklock_lock >> clubsyms.def
1363         echo checklock_unlock >> clubsyms.def
1364         echo checklock_init >> clubsyms.def
1365         echo checklock_thrcreate >> clubsyms.def
1366         echo checklock_thrjoin >> clubsyms.def
1367 fi
1368
1369 # check for dnstap if requested
1370 dt_DNSTAP([$UNBOUND_RUN_DIR/dnstap.sock],
1371     [
1372         AC_DEFINE([USE_DNSTAP], [1], [Define to 1 to enable dnstap support])
1373         AC_SUBST([ENABLE_DNSTAP], [1])
1374
1375         AC_SUBST([opt_dnstap_socket_path])
1376         ACX_ESCAPE_BACKSLASH($opt_dnstap_socket_path, hdr_dnstap_socket_path)
1377         AC_DEFINE_UNQUOTED(DNSTAP_SOCKET_PATH,
1378             ["$hdr_dnstap_socket_path"], [default dnstap socket path])
1379
1380         AC_SUBST([DNSTAP_SRC], ["dnstap/dnstap.c dnstap/dnstap.pb-c.c"])
1381         AC_SUBST([DNSTAP_OBJ], ["dnstap.lo dnstap.pb-c.lo"])
1382     ],
1383     [
1384         AC_SUBST([ENABLE_DNSTAP], [0])
1385     ]
1386 )
1387
1388 # check for dnscrypt if requested
1389 dnsc_DNSCRYPT([
1390         AC_DEFINE([USE_DNSCRYPT], [1], [Define to 1 to enable dnscrypt support])
1391         AC_SUBST([ENABLE_DNSCRYPT], [1])
1392
1393         AC_SUBST([DNSCRYPT_SRC], ["dnscrypt/dnscrypt.c"])
1394         AC_SUBST([DNSCRYPT_OBJ], ["dnscrypt.lo"])
1395     ],
1396     [
1397         AC_SUBST([ENABLE_DNSCRYPT], [0])
1398     ]
1399 )
1400
1401 # check for cachedb if requested
1402 AC_ARG_ENABLE(cachedb, AC_HELP_STRING([--enable-cachedb], [enable cachedb module that can use external cache storage]))
1403 case "$enable_cachedb" in
1404     yes)
1405         AC_DEFINE([USE_CACHEDB], [1], [Define to 1 to use cachedb support])
1406         ;;
1407     no|*)
1408         # nothing
1409         ;;
1410 esac
1411
1412 # check for ipsecmod if requested
1413 AC_ARG_ENABLE(ipsecmod, AC_HELP_STRING([--enable-ipsecmod], [Enable ipsecmod module that facilitates opportunistic IPsec]))
1414 case "$enable_ipsecmod" in
1415         yes)
1416                 AC_DEFINE([USE_IPSECMOD], [1], [Define to 1 to use ipsecmod support.])
1417                 IPSECMOD_OBJ="ipsecmod.lo ipsecmod-whitelist.lo"
1418                 AC_SUBST(IPSECMOD_OBJ)
1419                 IPSECMOD_HEADER='$(srcdir)/ipsecmod/ipsecmod.h $(srcdir)/ipsecmod/ipsecmod-whitelist.h'
1420                 AC_SUBST(IPSECMOD_HEADER)
1421                 ;;
1422         no|*)
1423                 # nothing
1424                 ;;
1425 esac
1426
1427 AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
1428 # on openBSD, the implicit rule make $< work.
1429 # on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
1430 # gmake works.
1431 cat >conftest.make <<EOF
1432 all:    conftest.lo
1433
1434 conftest.lo foo.lo bla.lo:
1435         if test -f "\$<"; then touch \$@; fi
1436
1437 .SUFFIXES: .lo
1438 .c.lo:
1439         if test -f "\$<"; then touch \$@; fi
1440
1441 conftest.lo:        conftest.dir/conftest.c
1442 EOF
1443 mkdir conftest.dir
1444 touch conftest.dir/conftest.c
1445 rm -f conftest.lo conftest.c
1446 ${MAKE:-make} -f conftest.make >/dev/null
1447 rm -f conftest.make conftest.c conftest.dir/conftest.c
1448 rm -rf conftest.dir
1449 if test ! -f conftest.lo; then
1450         AC_MSG_RESULT(no)
1451         SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
1452         SOURCEFILE='`cat .source`'
1453 else
1454         AC_MSG_RESULT(yes)
1455         SOURCEDETERMINE=':'
1456         SOURCEFILE='$<'
1457 fi
1458 rm -f conftest.lo
1459 AC_SUBST(SOURCEDETERMINE)
1460 AC_SUBST(SOURCEFILE)
1461
1462 # see if we want to build the library or everything
1463 ALLTARGET="alltargets"
1464 INSTALLTARGET="install-all"
1465 AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
1466         [do not build daemon and tool programs]),
1467         [
1468         if test "$withval" = "yes"; then
1469                 ALLTARGET="lib"
1470                 INSTALLTARGET="install-lib"
1471         fi
1472 ])
1473 AC_SUBST(ALLTARGET)
1474 AC_SUBST(INSTALLTARGET)
1475
1476 ACX_STRIP_EXT_FLAGS
1477 if test -n "$LATE_LDFLAGS"; then
1478   LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
1479 fi
1480 # remove start spaces
1481 LDFLAGS=`echo "$LDFLAGS"|sed -e 's/^ *//'`
1482 LIBS=`echo "$LIBS"|sed -e 's/^ *//'`
1483
1484 AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
1485
1486 AH_BOTTOM(
1487 dnl this must be first AH_CONFIG, to define the flags before any includes.
1488 AHX_CONFIG_EXT_FLAGS
1489
1490 dnl includes
1491 [
1492 #ifndef UNBOUND_DEBUG
1493 #  define NDEBUG
1494 #endif
1495
1496 /** Use small-ldns codebase */
1497 #define USE_SLDNS 1
1498 #ifdef HAVE_SSL
1499 #  define LDNS_BUILD_CONFIG_HAVE_SSL 1
1500 #endif
1501
1502 #include <stdio.h>
1503 #include <string.h>
1504 #include <unistd.h>
1505 #include <assert.h>
1506
1507 #if STDC_HEADERS
1508 #include <stdlib.h>
1509 #include <stddef.h>
1510 #endif
1511
1512 #ifdef HAVE_STDARG_H
1513 #include <stdarg.h>
1514 #endif
1515
1516 #ifdef HAVE_STDINT_H
1517 #include <stdint.h>
1518 #endif
1519
1520 #include <errno.h>
1521
1522 #if HAVE_SYS_PARAM_H
1523 #include <sys/param.h>
1524 #endif
1525
1526 #ifdef HAVE_SYS_SOCKET_H
1527 #include <sys/socket.h>
1528 #endif
1529
1530 #ifdef HAVE_SYS_UIO_H
1531 #include <sys/uio.h>
1532 #endif
1533
1534 #ifdef HAVE_NETINET_IN_H
1535 #include <netinet/in.h>
1536 #endif
1537
1538 #ifdef HAVE_NETINET_TCP_H
1539 #include <netinet/tcp.h>
1540 #endif
1541
1542 #ifdef HAVE_ARPA_INET_H
1543 #include <arpa/inet.h>
1544 #endif
1545
1546 #ifdef HAVE_WINSOCK2_H
1547 #include <winsock2.h>
1548 #endif
1549
1550 #ifdef HAVE_WS2TCPIP_H
1551 #include <ws2tcpip.h>
1552 #endif
1553
1554 #ifndef USE_WINSOCK
1555 #define ARG_LL "%ll"
1556 #else
1557 #define ARG_LL "%I64"
1558 #endif
1559
1560 #ifndef AF_LOCAL
1561 #define AF_LOCAL AF_UNIX
1562 #endif
1563 ]
1564
1565 AHX_CONFIG_FORMAT_ATTRIBUTE
1566 AHX_CONFIG_UNUSED_ATTRIBUTE
1567 AHX_CONFIG_FSEEKO
1568 AHX_CONFIG_MAXHOSTNAMELEN
1569 #if !defined(HAVE_SNPRINTF) || defined(SNPRINTF_RET_BROKEN)
1570 #define snprintf snprintf_unbound
1571 #define vsnprintf vsnprintf_unbound
1572 #include <stdarg.h>
1573 int snprintf (char *str, size_t count, const char *fmt, ...);
1574 int vsnprintf (char *str, size_t count, const char *fmt, va_list arg);
1575 #endif /* HAVE_SNPRINTF or SNPRINTF_RET_BROKEN */
1576 AHX_CONFIG_INET_PTON(unbound)
1577 AHX_CONFIG_INET_NTOP(unbound)
1578 AHX_CONFIG_INET_ATON(unbound)
1579 AHX_CONFIG_MEMMOVE(unbound)
1580 AHX_CONFIG_STRLCAT(unbound)
1581 AHX_CONFIG_STRLCPY(unbound)
1582 AHX_CONFIG_GMTIME_R(unbound)
1583 AHX_CONFIG_REALLOCARRAY(unbound)
1584 AHX_CONFIG_W32_SLEEP
1585 AHX_CONFIG_W32_USLEEP
1586 AHX_CONFIG_W32_RANDOM
1587 AHX_CONFIG_W32_SRANDOM
1588 AHX_CONFIG_W32_FD_SET_T
1589 AHX_CONFIG_IPV6_MIN_MTU
1590 AHX_MEMCMP_BROKEN(unbound)
1591
1592 [
1593 #ifndef HAVE_CTIME_R
1594 #define ctime_r unbound_ctime_r
1595 char *ctime_r(const time_t *timep, char *buf);
1596 #endif
1597
1598 #ifndef HAVE_STRSEP
1599 #define strsep unbound_strsep
1600 char *strsep(char **stringp, const char *delim);
1601 #endif
1602
1603 #ifndef HAVE_ISBLANK
1604 #define isblank unbound_isblank
1605 int isblank(int c);
1606 #endif
1607
1608 #if defined(HAVE_INET_NTOP) && !HAVE_DECL_INET_NTOP
1609 const char *inet_ntop(int af, const void *src, char *dst, size_t size);
1610 #endif
1611
1612 #if defined(HAVE_INET_PTON) && !HAVE_DECL_INET_PTON
1613 int inet_pton(int af, const char* src, void* dst);
1614 #endif
1615
1616 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
1617 #define strptime unbound_strptime
1618 struct tm;
1619 char *strptime(const char *s, const char *format, struct tm *tm);
1620 #endif
1621
1622 #ifdef HAVE_LIBRESSL
1623 #  if !HAVE_DECL_STRLCPY
1624 size_t strlcpy(char *dst, const char *src, size_t siz);
1625 #  endif
1626 #  if !HAVE_DECL_STRLCAT
1627 size_t strlcat(char *dst, const char *src, size_t siz);
1628 #  endif
1629 #  if !HAVE_DECL_ARC4RANDOM && defined(HAVE_ARC4RANDOM)
1630 uint32_t arc4random(void);
1631 #  endif
1632 #  if !HAVE_DECL_ARC4RANDOM_UNIFORM && defined(HAVE_ARC4RANDOM_UNIFORM)
1633 uint32_t arc4random_uniform(uint32_t upper_bound);
1634 #  endif
1635 #  if !HAVE_DECL_REALLOCARRAY
1636 void *reallocarray(void *ptr, size_t nmemb, size_t size);
1637 #  endif
1638 #endif /* HAVE_LIBRESSL */
1639 #ifndef HAVE_ARC4RANDOM
1640 void explicit_bzero(void* buf, size_t len);
1641 int getentropy(void* buf, size_t len);
1642 uint32_t arc4random(void);
1643 void arc4random_buf(void* buf, size_t n);
1644 void _ARC4_LOCK(void);
1645 void _ARC4_UNLOCK(void);
1646 #endif
1647 #ifndef HAVE_ARC4RANDOM_UNIFORM
1648 uint32_t arc4random_uniform(uint32_t upper_bound);
1649 #endif
1650 #ifdef COMPAT_SHA512
1651 #ifndef SHA512_DIGEST_LENGTH
1652 #define SHA512_BLOCK_LENGTH             128
1653 #define SHA512_DIGEST_LENGTH            64
1654 #define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
1655 typedef struct _SHA512_CTX {
1656         uint64_t        state[8];
1657         uint64_t        bitcount[2];
1658         uint8_t buffer[SHA512_BLOCK_LENGTH];
1659 } SHA512_CTX;
1660 #endif /* SHA512_DIGEST_LENGTH */
1661 void SHA512_Init(SHA512_CTX*);
1662 void SHA512_Update(SHA512_CTX*, void*, size_t);
1663 void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
1664 unsigned char *SHA512(void* data, unsigned int data_len, unsigned char *digest);
1665 #endif /* COMPAT_SHA512 */
1666
1667
1668
1669 #if defined(HAVE_EVENT_H) && !defined(HAVE_EVENT_BASE_ONCE) && !(defined(HAVE_EV_LOOP) || defined(HAVE_EV_DEFAULT_LOOP)) && (defined(HAVE_PTHREAD) || defined(HAVE_SOLARIS_THREADS))
1670    /* using version of libevent that is not threadsafe. */
1671 #  define LIBEVENT_SIGNAL_PROBLEM 1
1672 #endif
1673
1674 #ifndef CHECKED_INET6
1675 #  define CHECKED_INET6
1676 #  ifdef AF_INET6
1677 #    define INET6
1678 #  else
1679 #    define AF_INET6        28
1680 #  endif
1681 #endif /* CHECKED_INET6 */
1682
1683 #ifndef HAVE_GETADDRINFO
1684 struct sockaddr_storage;
1685 #include "compat/fake-rfc2553.h"
1686 #endif
1687
1688 #ifdef UNBOUND_ALLOC_STATS
1689 #  define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
1690 #  define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
1691 #  define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
1692 #  define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
1693 void *unbound_stat_malloc(size_t size);
1694 void *unbound_stat_calloc(size_t nmemb, size_t size);
1695 void unbound_stat_free(void *ptr);
1696 void *unbound_stat_realloc(void *ptr, size_t size);
1697 void *unbound_stat_malloc_log(size_t size, const char* file, int line,
1698         const char* func);
1699 void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
1700         int line, const char* func);
1701 void unbound_stat_free_log(void *ptr, const char* file, int line,
1702         const char* func);
1703 void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
1704         int line, const char* func);
1705 #elif defined(UNBOUND_ALLOC_LITE)
1706 #  include "util/alloc.h"
1707 #endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
1708
1709 /** default port for DNS traffic. */
1710 #define UNBOUND_DNS_PORT 53
1711 /** default port for unbound control traffic, registered port with IANA,
1712     ub-dns-control  8953/tcp    unbound dns nameserver control */
1713 #define UNBOUND_CONTROL_PORT 8953
1714 /** the version of unbound-control that this software implements */
1715 #define UNBOUND_CONTROL_VERSION 1
1716
1717 ])
1718
1719 dnl if we build from source tree, the man pages need @date@ and @version@
1720 dnl if this is a distro tarball, that was already done by makedist.sh
1721 AC_SUBST(version, [VERSION_MAJOR.VERSION_MINOR.VERSION_MICRO])
1722 AC_SUBST(date, [`date +'%b %e, %Y'`])
1723
1724 AC_CONFIG_FILES([Makefile doc/example.conf doc/libunbound.3 doc/unbound.8 doc/unbound-anchor.8 doc/unbound-checkconf.8 doc/unbound.conf.5 doc/unbound-control.8 doc/unbound-host.1 smallapp/unbound-control-setup.sh dnstap/dnstap_config.h dnscrypt/dnscrypt_config.h contrib/libunbound.pc contrib/unbound.socket contrib/unbound.service])
1725 AC_CONFIG_HEADER([config.h])
1726 AC_OUTPUT