contrib/unbound/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(acx_pthread.m4)
   6 sinclude(acx_python.m4)
   7 sinclude(ac_pkg_swig.m4)
   8
   9 AC_INIT(unbound, 1.4.20, unbound-bugs@nlnetlabs.nl, unbound)
  10
  11 LIBUNBOUND_CURRENT=3
  12 LIBUNBOUND_REVISION=5
  13 LIBUNBOUND_AGE=1
  14 # 1.0.0 had 0:12:0
  15 # 1.0.1 had 0:13:0
  16 # 1.0.2 had 0:14:0
  17 # 1.1.0 had 0:15:0
  18 # 1.1.1 had 0:16:0
  19 # 1.2.0 had 0:17:0
  20 # 1.2.1 had 0:18:0
  21 # 1.3.0 had 1:0:0   # ub_cancel and -export-symbols.
  22 # 1.3.1 had 1:1:0
  23 # 1.3.2 had 1:2:0
  24 # 1.3.3 had 1:3:0
  25 # 1.3.4 had 1:4:0
  26 # 1.4.0-snapshots had 1:5:0
  27 # 1.4.0 had 1:5:0 (not 2:0:0)   # ub_result.why_bogus
  28 # 1.4.1 had 2:1:0
  29 # 1.4.2 had 2:2:0
  30 # 1.4.3 had 2:3:0
  31 # 1.4.4 had 2:4:0
  32 # 1.4.5 had 2:5:0
  33 # 1.4.6 had 2:6:0
  34 # 1.4.7 had 2:7:0
  35 # 1.4.8 had 2:8:0
  36 # 1.4.9 had 2:9:0
  37 # 1.4.10 had 2:10:0
  38 # 1.4.11 had 2:11:0
  39 # 1.4.12 had 2:12:0
  40 # 1.4.13 had 2:13:0
  41 # and 1.4.13p1 and 1.4.13.p2
  42 # 1.4.14 had 2:14:0
  43 # 1.4.15 had 3:0:1 # adds ub_version()
  44 # 1.4.16 had 3:1:1
  45 # 1.4.17 had 3:2:1
  46 # 1.4.18 had 3:3:1
  47 # 1.4.19 had 3:4:1
  48 # 1.4.20 had 4:0:2 # adds libunbound.ttl
  49
  50 #   Current  -- the number of the binary API that we're implementing
  51 #   Revision -- which iteration of the implementation of the binary
  52 #               API are we supplying?
  53 #   Age      -- How many previous binary API versions do we also
  54 #               support?
  55 #
  56 # If we release a new version that does not change the binary API,
  57 # increment Revision.
  58 #
  59 # If we release a new version that changes the binary API, but does
  60 # not break programs compiled against the old binary API, increment
  61 # Current and Age.  Set Revision to 0, since this is the first
  62 # implementation of the new API.
  63 #
  64 # Otherwise, we're changing the binary API and breaking bakward
  65 # compatibility with old binaries.  Increment Current.  Set Age to 0,
  66 # since we're backward compatible with no previous APIs.  Set Revision
  67 # to 0 too.
  68 AC_SUBST(LIBUNBOUND_CURRENT)
  69 AC_SUBST(LIBUNBOUND_REVISION)
  70 AC_SUBST(LIBUNBOUND_AGE)
  71
  72 CFLAGS="$CFLAGS"
  73 AC_AIX
  74
  75 dnl
  76 dnl By default set prefix to /usr/local
  77 dnl
  78 case "$prefix" in
  79         NONE)
  80                 prefix="/usr/local"
  81         ;;
  82 esac
  83
  84 # are we on MinGW?
  85 if uname -s 2>&1 | grep MINGW32 >/dev/null; then on_mingw="yes"
  86 else
  87         if echo $target | grep mingw32 >/dev/null; then on_mingw="yes"
  88         else on_mingw="no"; fi
  89 fi
  90
  91 #
  92 # Determine configuration file
  93 # the eval is to evaluate shell expansion twice
  94 if test $on_mingw = "no"; then
  95   ub_conf_file=`eval echo "${sysconfdir}/unbound/unbound.conf"`
  96 else
  97   ub_conf_file="C:\\Program Files\\Unbound\\service.conf"
  98 fi
  99 AC_ARG_WITH([conf_file],
 100         AC_HELP_STRING([--with-conf-file=path],
 101         [Pathname to the Unbound configuration file]),
 102         [ub_conf_file="$withval"])
 103 AC_SUBST(ub_conf_file)
 104 ACX_ESCAPE_BACKSLASH($ub_conf_file, hdr_config)
 105 AC_DEFINE_UNQUOTED(CONFIGFILE, ["$hdr_config"], [Pathname to the Unbound configuration file])
 106
 107 # Determine run, chroot directory and pidfile locations
 108 AC_ARG_WITH(run-dir,
 109     AC_HELP_STRING([--with-run-dir=path],
 110     [set default directory to chdir to (by default dir part of cfg file)]),
 111     UNBOUND_RUN_DIR="$withval",
 112 if test $on_mingw = no; then
 113     UNBOUND_RUN_DIR=`dirname "$ub_conf_file"`
 114 else
 115     UNBOUND_RUN_DIR=""
 116 fi
 117 )
 118 AC_SUBST(UNBOUND_RUN_DIR)
 119 ACX_ESCAPE_BACKSLASH($UNBOUND_RUN_DIR, hdr_run)
 120 AC_DEFINE_UNQUOTED(RUN_DIR, ["$hdr_run"], [Directory to chdir to])
 121
 122 AC_ARG_WITH(chroot-dir,
 123     AC_HELP_STRING([--with-chroot-dir=path],
 124     [set default directory to chroot to (by default same as run-dir)]),
 125     UNBOUND_CHROOT_DIR="$withval",
 126 if test $on_mingw = no; then
 127     UNBOUND_CHROOT_DIR="$UNBOUND_RUN_DIR"
 128 else
 129     UNBOUND_CHROOT_DIR=""
 130 fi
 131 )
 132 AC_SUBST(UNBOUND_CHROOT_DIR)
 133 ACX_ESCAPE_BACKSLASH($UNBOUND_CHROOT_DIR, hdr_chroot)
 134 AC_DEFINE_UNQUOTED(CHROOT_DIR, ["$hdr_chroot"], [Directory to chroot to])
 135
 136 AC_ARG_WITH(share-dir,
 137     AC_HELP_STRING([--with-share-dir=path],
 138     [set default directory with shared data (by default same as share/unbound)]),
 139     UNBOUND_SHARE_DIR="$withval",
 140     UNBOUND_SHARE_DIR="$UNBOUND_RUN_DIR")
 141 AC_SUBST(UNBOUND_SHARE_DIR)
 142 AC_DEFINE_UNQUOTED(SHARE_DIR, ["$UNBOUND_SHARE_DIR"], [Shared data])
 143
 144 AC_ARG_WITH(pidfile,
 145     AC_HELP_STRING([--with-pidfile=filename],
 146     [set default pathname to unbound pidfile (default run-dir/unbound.pid)]),
 147     UNBOUND_PIDFILE="$withval",
 148 if test $on_mingw = no; then
 149     UNBOUND_PIDFILE="$UNBOUND_RUN_DIR/unbound.pid"
 150 else
 151     UNBOUND_PIDFILE=""
 152 fi
 153 )
 154 AC_SUBST(UNBOUND_PIDFILE)
 155 ACX_ESCAPE_BACKSLASH($UNBOUND_PIDFILE, hdr_pid)
 156 AC_DEFINE_UNQUOTED(PIDFILE, ["$hdr_pid"], [default pidfile location])
 157
 158 AC_ARG_WITH(rootkey-file,
 159     AC_HELP_STRING([--with-rootkey-file=filename],
 160     [set default pathname to root key file (default run-dir/root.key). This file is read and written.]),
 161     UNBOUND_ROOTKEY_FILE="$withval",
 162 if test $on_mingw = no; then
 163     UNBOUND_ROOTKEY_FILE="$UNBOUND_RUN_DIR/root.key"
 164 else
 165     UNBOUND_ROOTKEY_FILE="C:\\Program Files\\Unbound\\root.key"
 166 fi
 167 )
 168 AC_SUBST(UNBOUND_ROOTKEY_FILE)
 169 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTKEY_FILE, hdr_rkey)
 170 AC_DEFINE_UNQUOTED(ROOT_ANCHOR_FILE, ["$hdr_rkey"], [default rootkey location])
 171
 172 AC_ARG_WITH(rootcert-file,
 173     AC_HELP_STRING([--with-rootcert-file=filename],
 174     [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.]),
 175     UNBOUND_ROOTCERT_FILE="$withval",
 176 if test $on_mingw = no; then
 177     UNBOUND_ROOTCERT_FILE="$UNBOUND_RUN_DIR/icannbundle.pem"
 178 else
 179     UNBOUND_ROOTCERT_FILE="C:\\Program Files\\Unbound\\icannbundle.pem"
 180 fi
 181 )
 182 AC_SUBST(UNBOUND_ROOTCERT_FILE)
 183 ACX_ESCAPE_BACKSLASH($UNBOUND_ROOTCERT_FILE, hdr_rpem)
 184 AC_DEFINE_UNQUOTED(ROOT_CERT_FILE, ["$hdr_rpem"], [default rootcert location])
 185
 186 AC_ARG_WITH(username,
 187     AC_HELP_STRING([--with-username=user],
 188     [set default user that unbound changes to (default user is unbound)]),
 189     UNBOUND_USERNAME="$withval",
 190     UNBOUND_USERNAME="unbound")
 191 AC_SUBST(UNBOUND_USERNAME)
 192 AC_DEFINE_UNQUOTED(UB_USERNAME, ["$UNBOUND_USERNAME"], [default username])
 193
 194 AC_DEFINE(WINVER, 0x0502, [the version of the windows API enabled])
 195 ACX_RSRC_VERSION(wnvs)
 196 AC_DEFINE_UNQUOTED(RSRC_PACKAGE_VERSION, [$wnvs], [version number for resource files])
 197
 198 # Checks for typedefs, structures, and compiler characteristics.
 199 AC_C_CONST
 200 AC_LANG_C
 201 # allow user to override the -g -O2 flags.
 202 if test "x$CFLAGS" = "x" ; then
 203 ACX_CHECK_COMPILER_FLAG(g, [CFLAGS="$CFLAGS -g"])
 204 ACX_CHECK_COMPILER_FLAG(O2, [CFLAGS="$CFLAGS -O2"])
 205 fi
 206 AC_PROG_CC
 207 ACX_DEPFLAG
 208 ACX_DETERMINE_EXT_FLAGS_UNBOUND
 209
 210 # debug mode flags warnings
 211 AC_ARG_ENABLE(checking, AC_HELP_STRING([--enable-checking], [Enable warnings, asserts, makefile-dependencies]))
 212 AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [same as enable-checking]))
 213 if test "$enable_debug" = "yes"; then debug_enabled="$enable_debug";
 214 else debug_enabled="$enable_checking"; fi
 215 AC_SUBST(debug_enabled)
 216 case "$debug_enabled" in
 217         yes)
 218                 ACX_CHECK_COMPILER_FLAG(W, [CFLAGS="$CFLAGS -W"])
 219                 ACX_CHECK_COMPILER_FLAG(Wall, [CFLAGS="$CFLAGS -Wall"])
 220                 ACX_CHECK_COMPILER_FLAG(Wextra, [CFLAGS="$CFLAGS -Wextra"])
 221                 ACX_CHECK_COMPILER_FLAG(Wdeclaration-after-statement, [CFLAGS="$CFLAGS -Wdeclaration-after-statement"])
 222                 AC_DEFINE([UNBOUND_DEBUG], [], [define this to enable debug checks.])
 223                 ;;
 224         no|*)
 225                 # nothing to do.
 226                 ;;
 227 esac
 228 ACX_CHECK_FLTO
 229
 230 AC_C_INLINE
 231 ACX_CHECK_FORMAT_ATTRIBUTE
 232 ACX_CHECK_UNUSED_ATTRIBUTE
 233
 234 if test "$srcdir" != "."; then
 235         CPPFLAGS="$CPPFLAGS -I$srcdir"
 236 fi
 237
 238 AC_DEFUN([ACX_YYLEX_DESTROY], [
 239         AC_MSG_CHECKING([for yylex_destroy])
 240         if echo %% | $LEX -t 2>&1 | grep yylex_destroy >/dev/null 2>&1; then
 241                 AC_DEFINE(LEX_HAS_YYLEX_DESTROY, 1, [if lex has yylex_destroy])
 242                 AC_MSG_RESULT(yes)
 243         else AC_MSG_RESULT(no); fi
 244 ])
 245
 246 AC_PROG_LEX
 247 ACX_YYLEX_DESTROY
 248 AC_PROG_YACC
 249 AC_CHECK_PROG(doxygen, doxygen, doxygen)
 250 AC_CHECK_TOOL(STRIP, strip)
 251 ACX_LIBTOOL_C_ONLY
 252
 253 # Checks for header files.
 254 AC_CHECK_HEADERS([stdarg.h stdbool.h netinet/in.h sys/param.h sys/socket.h sys/uio.h sys/resource.h arpa/inet.h syslog.h netdb.h sys/wait.h pwd.h glob.h grp.h login_cap.h winsock2.h ws2tcpip.h],,, [AC_INCLUDES_DEFAULT])
 255
 256 # check for types.
 257 # Using own tests for int64* because autoconf builtin only give 32bit.
 258 AC_CHECK_TYPE(int8_t, signed char)
 259 AC_CHECK_TYPE(int16_t, short)
 260 AC_CHECK_TYPE(int32_t, int)
 261 AC_CHECK_TYPE(int64_t, long long)
 262 AC_CHECK_TYPE(uint8_t, unsigned char)
 263 AC_CHECK_TYPE(uint16_t, unsigned short)
 264 AC_CHECK_TYPE(uint32_t, unsigned int)
 265 AC_CHECK_TYPE(uint64_t, unsigned long long)
 266 AC_TYPE_SIZE_T
 267 AC_CHECK_TYPE(ssize_t, int)
 268 AC_TYPE_UID_T
 269 AC_TYPE_PID_T
 270 AC_TYPE_OFF_T
 271 ACX_TYPE_U_CHAR
 272 ACX_TYPE_RLIM_T
 273 ACX_TYPE_SOCKLEN_T
 274 ACX_TYPE_IN_ADDR_T
 275 ACX_TYPE_IN_PORT_T
 276 ACX_CHECK_MEMCMP_SIGNED
 277
 278 # add option to disable the evil rpath
 279 ACX_ARG_RPATH
 280 AC_SUBST(RUNTIME_PATH)
 281
 282 # check to see if libraries are needed for these functions.
 283 AC_SEARCH_LIBS([inet_pton], [nsl])
 284 AC_SEARCH_LIBS([socket], [socket])
 285
 286 # check wether strptime also works
 287 AC_DEFUN([AC_CHECK_STRPTIME_WORKS],
 288 [AC_REQUIRE([AC_PROG_CC])
 289 AC_MSG_CHECKING(whether strptime works)
 290 if test c${cross_compiling} = cno; then
 291 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 292 #define _XOPEN_SOURCE
 293 #include <time.h>
 294 int main(void) { struct tm tm; char *res;
 295 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);
 296 if (!res) return 2;
 297 res = strptime("20070207111842", "%Y%m%d%H%M%S", &tm);
 298 if (!res) return 1; return 0; }
 299 ]])] , [eval "ac_cv_c_strptime_works=yes"], [eval "ac_cv_c_strptime_works=no"])
 300 else
 301 eval "ac_cv_c_strptime_works=maybe"
 302 fi
 303 AC_MSG_RESULT($ac_cv_c_strptime_works)
 304 if test $ac_cv_c_strptime_works = no; then
 305 AC_LIBOBJ(strptime)
 306 else
 307 AC_DEFINE_UNQUOTED([STRPTIME_WORKS], 1, [use default strptime.])
 308 fi
 309 ])dnl
 310
 311 # check some functions of the OS before linking libs (while still runnable).
 312 AC_FUNC_CHOWN
 313 AC_FUNC_FORK
 314 AC_TYPE_SIGNAL
 315 AC_FUNC_FSEEKO
 316 ACX_SYS_LARGEFILE
 317 ACX_CHECK_NONBLOCKING_BROKEN
 318 ACX_MKDIR_ONE_ARG
 319 AC_CHECK_FUNCS([strptime],[AC_CHECK_STRPTIME_WORKS],[AC_LIBOBJ([strptime])])
 320
 321 # set memory allocation checking if requested
 322 AC_ARG_ENABLE(alloc-checks, AC_HELP_STRING([--enable-alloc-checks],
 323         [ enable to memory allocation statistics, for debug purposes ]),
 324         , )
 325 AC_ARG_ENABLE(alloc-lite, AC_HELP_STRING([--enable-alloc-lite],
 326         [ enable for lightweight alloc assertions, for debug purposes ]),
 327         , )
 328 AC_ARG_ENABLE(alloc-nonregional, AC_HELP_STRING([--enable-alloc-nonregional],
 329         [ enable nonregional allocs, slow but exposes regional allocations to other memory purifiers, for debug purposes ]),
 330         , )
 331 if test x_$enable_alloc_nonregional = x_yes; then
 332         AC_DEFINE(UNBOUND_ALLOC_NONREGIONAL, 1, [use malloc not regions, for debug use])
 333 fi
 334 if test x_$enable_alloc_checks = x_yes; then
 335         AC_DEFINE(UNBOUND_ALLOC_STATS, 1, [use statistics for allocs and frees, for debug use])
 336 else
 337         if test x_$enable_alloc_lite = x_yes; then
 338                 AC_DEFINE(UNBOUND_ALLOC_LITE, 1, [use to enable lightweight alloc assertions, for debug use])
 339         else
 340                 ACX_FUNC_MALLOC([unbound])
 341         fi
 342 fi
 343
 344 # check windows threads (we use them, not pthreads, on windows).
 345 if test "$on_mingw" = "yes"; then
 346 # check windows threads
 347         AC_CHECK_HEADERS([windows.h],,, [AC_INCLUDES_DEFAULT])
 348         AC_MSG_CHECKING([for CreateThread])
 349         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
 350 #ifdef HAVE_WINDOWS_H
 351 #include <windows.h>
 352 #endif
 353 ], [
 354         HANDLE t = CreateThread(NULL, 0, NULL, NULL, 0, NULL);
 355 ])],
 356         AC_MSG_RESULT(yes)
 357         AC_DEFINE(HAVE_WINDOWS_THREADS, 1, [Using Windows threads])
 358 ,
 359         AC_MSG_RESULT(no)
 360 )
 361
 362 else
 363 # not on mingw, check thread libraries.
 364
 365 # check for thread library.
 366 # check this first, so that the pthread lib does not get linked in via
 367 # libssl or libpython, and thus distorts the tests, and we end up using
 368 # the non-threadsafe C libraries.
 369 AC_ARG_WITH(pthreads, AC_HELP_STRING([--with-pthreads],
 370  [use pthreads library, or --without-pthreads to disable threading support.]),
 371  [ ],[ withval="yes" ])
 372 ub_have_pthreads=no
 373 if test x_$withval != x_no; then
 374         ACX_PTHREAD([
 375                 AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
 376                 LIBS="$PTHREAD_LIBS $LIBS"
 377                 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
 378                 CC="$PTHREAD_CC"
 379                 ub_have_pthreads=yes
 380                 AC_CHECK_TYPES([pthread_spinlock_t, pthread_rwlock_t],,,[#include <pthread.h>])
 381                 ])
 382 fi
 383
 384 # check solaris thread library
 385 AC_ARG_WITH(solaris-threads, AC_HELP_STRING([--with-solaris-threads],
 386         [use solaris native thread library.]), [ ],[ withval="no" ])
 387 ub_have_sol_threads=no
 388 if test x_$withval != x_no; then
 389         if test x_$ub_have_pthreads != x_no; then
 390             AC_WARN([Have pthreads already, ignoring --with-solaris-threads])
 391         else
 392         AC_SEARCH_LIBS(thr_create, [thread],
 393         [
 394                 AC_DEFINE(HAVE_SOLARIS_THREADS, 1, [Using Solaris threads])
 395
 396                 ACX_CHECK_COMPILER_FLAG(mt, [CFLAGS="$CFLAGS -mt"],
 397                         [CFLAGS="$CFLAGS -D_REENTRANT"])
 398                 ub_have_sol_threads=yes
 399         ] , [
 400                 AC_ERROR([no solaris threads found.])
 401         ])
 402         fi
 403 fi
 404
 405 fi # end of non-mingw check of thread libraries
 406
 407 # Check for PyUnbound
 408 AC_ARG_WITH(pyunbound,
 409    AC_HELP_STRING([--with-pyunbound],
 410    [build PyUnbound, or --without-pyunbound to skip it. (default=no)]),
 411    [], [ withval="no" ])
 412
 413 ub_test_python=no
 414 ub_with_pyunbound=no
 415 if test x_$withval != x_no; then
 416    ub_with_pyunbound=yes
 417    ub_test_python=yes
 418 fi
 419
 420 # Check for Python module
 421 AC_ARG_WITH(pythonmodule,
 422    AC_HELP_STRING([--with-pythonmodule],
 423    [build Python module, or --without-pythonmodule to disable script engine. (default=no)]),
 424    [], [ withval="no" ])
 425
 426 ub_with_pythonmod=no
 427 if test x_$withval != x_no; then
 428    ub_with_pythonmod=yes
 429    ub_test_python=yes
 430 fi
 431
 432 # Check for Python & SWIG only on PyUnbound or PyModule
 433 if test x_$ub_test_python != x_no; then
 434
 435    # Check for Python
 436    ub_have_python=no
 437    ac_save_LIBS="$LIBS" dnl otherwise AC_PYTHON_DEVEL thrashes $LIBS
 438    AC_PYTHON_DEVEL
 439    if test ! -z "$PYTHON_VERSION"; then
 440         if test `$PYTHON -c "print '$PYTHON_VERSION' >= '2.4.0'"` = "False"; then
 441                 AC_ERROR([Python version >= 2.4.0 is required])
 442         fi
 443
 444       # Have Python
 445       AC_DEFINE(HAVE_PYTHON,1,[Define if you have Python libraries and header files.])
 446       LIBS="$PYTHON_LDFLAGS $LIBS"
 447       CPPFLAGS="$CPPFLAGS $PYTHON_CPPFLAGS"
 448       ub_have_python=yes
 449
 450       # Check for SWIG
 451       ub_have_swig=no
 452       AC_PROG_SWIG
 453       AC_MSG_CHECKING(SWIG)
 454       if test ! -x "$SWIG"; then
 455          AC_ERROR([failed to find swig tool, install it, or do not build Python module and PyUnbound])
 456       else
 457          AC_DEFINE(HAVE_SWIG, 1, [Define if you have Swig libraries and header files.])
 458          AC_SUBST(swig, "$SWIG")
 459          AC_MSG_RESULT(present)
 460
 461          # If have Python & SWIG
 462          # Declare PythonMod
 463          if test x_$ub_with_pythonmod != x_no; then
 464             AC_DEFINE(WITH_PYTHONMODULE, 1, [Define if you want Python module.])
 465             WITH_PYTHONMODULE=yes
 466             AC_SUBST(WITH_PYTHONMODULE)
 467             PYTHONMOD_OBJ="pythonmod.lo pythonmod_utils.lo"
 468             AC_SUBST(PYTHONMOD_OBJ)
 469             PYTHONMOD_HEADER='$(srcdir)/pythonmod/pythonmod.h'
 470             AC_SUBST(PYTHONMOD_HEADER)
 471             PYTHONMOD_INSTALL=pythonmod-install
 472             AC_SUBST(PYTHONMOD_INSTALL)
 473             PYTHONMOD_UNINSTALL=pythonmod-uninstall
 474             AC_SUBST(PYTHONMOD_UNINSTALL)
 475          fi
 476
 477          # Declare PyUnbound
 478          if test x_$ub_with_pyunbound != x_no; then
 479             AC_DEFINE(WITH_PYUNBOUND, 1, [Define if you want PyUnbound.])
 480             WITH_PYUNBOUND=yes
 481             AC_SUBST(WITH_PYUNBOUND)
 482             PYUNBOUND_OBJ="libunbound_wrap.lo"
 483             AC_SUBST(PYUNBOUND_OBJ)
 484             PYUNBOUND_TARGET="_unbound.la"
 485             AC_SUBST(PYUNBOUND_TARGET)
 486             PYUNBOUND_INSTALL=pyunbound-install
 487             AC_SUBST(PYUNBOUND_INSTALL)
 488             PYUNBOUND_UNINSTALL=pyunbound-uninstall
 489             AC_SUBST(PYUNBOUND_UNINSTALL)
 490          fi
 491       fi
 492    else
 493       AC_MSG_RESULT([*** Python libraries not found, won't build PythonMod or PyUnbound ***])
 494       ub_with_pyunbound=no
 495       ub_with_pythonmod=no
 496    fi
 497 fi
 498
 499 if test "`uname`" = "NetBSD"; then
 500         NETBSD_LINTFLAGS='"-D__RENAME(x)=" -D_NETINET_IN_H_'
 501         AC_SUBST(NETBSD_LINTFLAGS)
 502 fi
 503 CONFIG_DATE=`date +%Y%m%d`
 504 AC_SUBST(CONFIG_DATE)
 505
 506 # Checks for libraries.
 507
 508 # libnss
 509 USE_NSS="no"
 510 AC_ARG_WITH([nss], AC_HELP_STRING([--with-nss=path],
 511         [use libnss instead of openssl, installed at path.]),
 512         [
 513         USE_NSS="yes"
 514         AC_DEFINE(HAVE_NSS, 1, [Use libnss for crypto])
 515         if test "$withval" != "" -a "$withval" != "yes"; then
 516                 CPPFLAGS="$CPPFLAGS -I$withval/include/nss3"
 517                 LDFLAGS="$LDFLAGS -L$withval/lib"
 518                 ACX_RUNTIME_PATH_ADD([$withval/lib])
 519                 CPPFLAGS="-I$withval/include/nspr4 $CPPFLAGS"
 520         else
 521                 CPPFLAGS="$CPPFLAGS -I/usr/include/nss3"
 522                 CPPFLAGS="-I/usr/include/nspr4 $CPPFLAGS"
 523         fi
 524         LIBS="$LIBS -lnss3 -lnspr4"
 525         ]
 526 )
 527
 528 # openssl
 529 if test $USE_NSS = "no"; then
 530 ACX_WITH_SSL
 531 ACX_LIB_SSL
 532 AC_CHECK_HEADERS([openssl/conf.h],,, [AC_INCLUDES_DEFAULT])
 533 AC_CHECK_HEADERS([openssl/engine.h],,, [AC_INCLUDES_DEFAULT])
 534 AC_CHECK_FUNCS([OPENSSL_config EVP_sha1 EVP_sha256 EVP_sha512 FIPS_mode])
 535 AC_CHECK_DECLS([SSL_COMP_get_compression_methods,sk_SSL_COMP_pop_free], [], [], [
 536 AC_INCLUDES_DEFAULT
 537 #ifdef HAVE_OPENSSL_ERR_H
 538 #include <openssl/err.h>
 539 #endif
 540
 541 #ifdef HAVE_OPENSSL_RAND_H
 542 #include <openssl/rand.h>
 543 #endif
 544
 545 #ifdef HAVE_OPENSSL_CONF_H
 546 #include <openssl/conf.h>
 547 #endif
 548
 549 #ifdef HAVE_OPENSSL_ENGINE_H
 550 #include <openssl/engine.h>
 551 #endif
 552 #include <openssl/ssl.h>
 553 #include <openssl/evp.h>
 554 ])
 555 fi
 556
 557
 558 AC_ARG_ENABLE(sha2, AC_HELP_STRING([--disable-sha2], [Disable SHA256 and SHA512 RRSIG support]))
 559 case "$enable_sha2" in
 560         no)
 561         ;;
 562         yes|*)
 563         AC_DEFINE([USE_SHA2], [1], [Define this to enable SHA256 and SHA512 support.])
 564         ;;
 565 esac
 566
 567 # check wether gost also works
 568 AC_DEFUN([AC_CHECK_GOST_WORKS],
 569 [AC_REQUIRE([AC_PROG_CC])
 570 AC_MSG_CHECKING([if GOST works])
 571 if test c${cross_compiling} = cno; then
 572 BAKCFLAGS="$CFLAGS"
 573 if test -n "$ssldir"; then
 574         CFLAGS="$CFLAGS -Wl,-rpath,$ssldir/lib"
 575 fi
 576 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 577 #include <string.h>
 578 #include <openssl/ssl.h>
 579 #include <openssl/evp.h>
 580 #include <openssl/engine.h>
 581 #include <openssl/conf.h>
 582 /* routine to load gost from ldns */
 583 int load_gost_id(void)
 584 {
 585         static int gost_id = 0;
 586         const EVP_PKEY_ASN1_METHOD* meth;
 587         ENGINE* e;
 588
 589         if(gost_id) return gost_id;
 590
 591         /* see if configuration loaded gost implementation from other engine*/
 592         meth = EVP_PKEY_asn1_find_str(NULL, "gost2001", -1);
 593         if(meth) {
 594                 EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
 595                 return gost_id;
 596         }
 597
 598         /* see if engine can be loaded already */
 599         e = ENGINE_by_id("gost");
 600         if(!e) {
 601                 /* load it ourself, in case statically linked */
 602                 ENGINE_load_builtin_engines();
 603                 ENGINE_load_dynamic();
 604                 e = ENGINE_by_id("gost");
 605         }
 606         if(!e) {
 607                 /* no gost engine in openssl */
 608                 return 0;
 609         }
 610         if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
 611                 ENGINE_finish(e);
 612                 ENGINE_free(e);
 613                 return 0;
 614         }
 615
 616         meth = EVP_PKEY_asn1_find_str(&e, "gost2001", -1);
 617         if(!meth) {
 618                 /* algo not found */
 619                 ENGINE_finish(e);
 620                 ENGINE_free(e);
 621                 return 0;
 622         }
 623         EVP_PKEY_asn1_get0_info(&gost_id, NULL, NULL, NULL, NULL, meth);
 624         return gost_id;
 625 }
 626 int main(void) {
 627         EVP_MD_CTX* ctx;
 628         const EVP_MD* md;
 629         unsigned char digest[64]; /* its a 256-bit digest, so uses 32 bytes */
 630         const char* str = "Hello world";
 631         const unsigned char check[] = {
 632                 0x40 , 0xed , 0xf8 , 0x56 , 0x5a , 0xc5 , 0x36 , 0xe1 ,
 633                 0x33 , 0x7c , 0x7e , 0x87 , 0x62 , 0x1c , 0x42 , 0xe0 ,
 634                 0x17 , 0x1b , 0x5e , 0xce , 0xa8 , 0x46 , 0x65 , 0x4d ,
 635                 0x8d , 0x3e , 0x22 , 0x9b , 0xe1 , 0x30 , 0x19 , 0x9d
 636         };
 637         OPENSSL_config(NULL);
 638         (void)load_gost_id();
 639         md = EVP_get_digestbyname("md_gost94");
 640         if(!md) return 1;
 641         memset(digest, 0, sizeof(digest));
 642         ctx = EVP_MD_CTX_create();
 643         if(!ctx) return 2;
 644         if(!EVP_DigestInit_ex(ctx, md, NULL)) return 3;
 645         if(!EVP_DigestUpdate(ctx, str, 10)) return 4;
 646         if(!EVP_DigestFinal_ex(ctx, digest, NULL)) return 5;
 647         /* uncomment to see the hash calculated.
 648                 {int i;
 649                 for(i=0; i<32; i++)
 650                         printf(" %2.2x", (int)digest[i]);
 651                 printf("\n");}
 652         */
 653         if(memcmp(digest, check, sizeof(check)) != 0)
 654                 return 6;
 655         return 0;
 656 }
 657 ]])] , [eval "ac_cv_c_gost_works=yes"], [eval "ac_cv_c_gost_works=no"])
 658 CFLAGS="$BAKCFLAGS"
 659 else
 660 eval "ac_cv_c_gost_works=maybe"
 661 fi
 662 AC_MSG_RESULT($ac_cv_c_gost_works)
 663 ])dnl
 664
 665 AC_ARG_ENABLE(gost, AC_HELP_STRING([--disable-gost], [Disable GOST support]))
 666 use_gost="no"
 667 if test $USE_NSS = "no"; then
 668 case "$enable_gost" in
 669         no)
 670         ;;
 671         *)
 672         AC_CHECK_FUNC(EVP_PKEY_set_type_str, [:],[AC_MSG_ERROR([OpenSSL 1.0.0 is needed for GOST support])])
 673         AC_CHECK_FUNC(EC_KEY_new, [], [AC_MSG_ERROR([OpenSSL does not support ECC, needed for GOST support])])
 674         AC_CHECK_GOST_WORKS
 675         if test "$ac_cv_c_gost_works" != no; then
 676                 use_gost="yes"
 677                 AC_DEFINE([USE_GOST], [1], [Define this to enable GOST support.])
 678         fi
 679         ;;
 680 esac
 681 fi dnl !USE_NSS
 682
 683 AC_ARG_ENABLE(ecdsa, AC_HELP_STRING([--disable-ecdsa], [Disable ECDSA support]))
 684 use_ecdsa="no"
 685 case "$enable_ecdsa" in
 686     no)
 687       ;;
 688     *)
 689       if test $USE_NSS = "no"; then
 690               AC_CHECK_FUNC(ECDSA_sign, [], [AC_MSG_ERROR([OpenSSL does not support ECDSA: please upgrade or rerun with --disable-ecdsa])])
 691               AC_CHECK_FUNC(SHA384_Init, [], [AC_MSG_ERROR([OpenSSL does not support SHA384: please upgrade or rerun with --disable-ecdsa])])
 692               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
 693 #include <openssl/evp.h>
 694               ])
 695               # see if OPENSSL 1.0.0 or later (has EVP MD and Verify independency)
 696               AC_MSG_CHECKING([if openssl supports SHA2 and ECDSA with EVP])
 697               if grep OPENSSL_VERSION_NUMBER $ssldir/include/openssl/opensslv.h | grep 0x0 >/dev/null; then
 698                 AC_MSG_RESULT([no])
 699                 AC_DEFINE_UNQUOTED([USE_ECDSA_EVP_WORKAROUND], [1], [Define this to enable an EVP workaround for older openssl])
 700               else
 701                 AC_MSG_RESULT([yes])
 702               fi
 703       fi
 704       # we now know we have ECDSA and the required curves.
 705       AC_DEFINE_UNQUOTED([USE_ECDSA], [1], [Define this to enable ECDSA support.])
 706       use_ecdsa="yes"
 707       ;;
 708 esac
 709
 710 # check for libevent
 711 AC_ARG_WITH(libevent, AC_HELP_STRING([--with-libevent=pathname],
 712     [use libevent (will check /usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr  or you can specify an explicit path). Slower, but allows use of large outgoing port ranges.]),
 713     [ ],[ withval="no" ])
 714 if test x_$withval = x_yes -o x_$withval != x_no; then
 715         AC_MSG_CHECKING(for libevent)
 716         if test x_$withval = x_ -o x_$withval = x_yes; then
 717             withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr"
 718         fi
 719         for dir in $withval; do
 720             thedir="$dir"
 721             if test -f "$dir/include/event.h"; then
 722                 found_libevent="yes"
 723                 dnl assume /usr is in default path.
 724                 if test "$thedir" != "/usr"; then
 725                     CPPFLAGS="$CPPFLAGS -I$thedir/include"
 726                 fi
 727                 break;
 728             fi
 729         done
 730         if test x_$found_libevent != x_yes; then
 731                 if test -f "$dir/event.h" -a \( -f "$dir/libevent.la" -o -f "$dir/libev.la" \) ; then
 732                         # libevent source directory
 733                         AC_MSG_RESULT(found in $thedir)
 734                         CPPFLAGS="$CPPFLAGS -I$thedir -I$thedir/include"
 735                         BAK_LDFLAGS_SET="1"
 736                         BAK_LDFLAGS="$LDFLAGS"
 737                         # remove evdns from linking
 738                         mkdir build >/dev/null 2>&1
 739                         mkdir build/libevent >/dev/null 2>&1
 740                         mkdir build/libevent/.libs >/dev/null 2>&1
 741                         ev_files_o=`ls $thedir/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
 742                         ev_files_lo=`ls $thedir/*.lo | grep -v evdns\.lo | grep -v bufferevent_openssl\.lo`
 743                         ev_files_libso=`ls $thedir/.libs/*.o | grep -v evdns\.o | grep -v bufferevent_openssl\.o`
 744                         cp $ev_files_o build/libevent
 745                         cp $ev_files_lo build/libevent
 746                         cp $ev_files_libso build/libevent/.libs
 747                         LATE_LDFLAGS="build/libevent/*.lo -lm"
 748                         LDFLAGS="build/libevent/*.o $LDFLAGS -lm"
 749                 else
 750                         AC_MSG_ERROR([Cannot find the libevent library in $withval
 751 You can restart ./configure --with-libevent=no to use a builtin alternative.
 752 Please note that this alternative is not as capable as libevent when using
 753 large outgoing port ranges.  ])
 754                 fi
 755         else
 756             AC_MSG_RESULT(found in $thedir)
 757             dnl assume /usr is in default path, do not add "".
 758             if test "$thedir" != "/usr" -a "$thedir" != ""; then
 759                 LDFLAGS="$LDFLAGS -L$thedir/lib"
 760                 ACX_RUNTIME_PATH_ADD([$thedir/lib])
 761             fi
 762         fi
 763         # check for library used by libevent after 1.3c
 764         AC_SEARCH_LIBS([clock_gettime], [rt])
 765
 766         # is the event.h header libev or libevent?
 767         AC_CHECK_HEADERS([event.h],,, [AC_INCLUDES_DEFAULT])
 768         AC_CHECK_DECL(EV_VERSION_MAJOR, [
 769                 AC_SEARCH_LIBS(event_set, [ev])
 770         ],[
 771                 AC_SEARCH_LIBS(event_set, [event])
 772         ],[AC_INCLUDES_DEFAULT
 773 #include <event.h>
 774         ])
 775         AC_CHECK_FUNCS([event_base_free]) # only in libevent 1.2 and later
 776         AC_CHECK_FUNCS([event_base_once]) # only in libevent 1.4.1 and later
 777         AC_CHECK_FUNCS([event_base_new]) # only in libevent 1.4.1 and later
 778         AC_CHECK_FUNCS([event_base_get_method]) # only in libevent 1.4.3 and later
 779         AC_CHECK_FUNCS([ev_loop]) # only in libev. (tested on 3.51)
 780         AC_CHECK_FUNCS([ev_default_loop]) # only in libev. (tested on 4.00)
 781         if test -n "$BAK_LDFLAGS_SET"; then
 782                 LDFLAGS="$BAK_LDFLAGS"
 783         fi
 784 else
 785         AC_DEFINE(USE_MINI_EVENT, 1, [Define if you want to use internal select based events])
 786 fi
 787
 788 # check for libexpat
 789 AC_ARG_WITH(libexpat, AC_HELP_STRING([--with-libexpat=path],
 790     [specify explicit path for libexpat.]),
 791     [ ],[ withval="/usr/local /opt/local /usr/lib /usr/pkg /usr/sfw /usr" ])
 792 AC_MSG_CHECKING(for libexpat)
 793 found_libexpat="no"
 794 for dir in $withval ; do
 795             if test -f "$dir/include/expat.h"; then
 796                 found_libexpat="yes"
 797                 dnl assume /usr is in default path.
 798                 if test "$dir" != "/usr"; then
 799                     CPPFLAGS="$CPPFLAGS -I$dir/include"
 800                     LDFLAGS="$LDFLAGS -L$dir/lib"
 801                 fi
 802                 AC_MSG_RESULT(found in $dir)
 803                 break;
 804             fi
 805 done
 806 if test x_$found_libexpat != x_yes; then
 807         AC_ERROR([Could not find libexpat, expat.h])
 808 fi
 809 AC_CHECK_HEADERS([expat.h],,, [AC_INCLUDES_DEFAULT])
 810
 811 # set static linking if requested
 812 AC_SUBST(staticexe)
 813 staticexe=""
 814 AC_ARG_ENABLE(static-exe, AC_HELP_STRING([--enable-static-exe],
 815         [ enable to compile executables statically against event, ldns libs, for debug purposes ]),
 816         , )
 817 if test x_$enable_static_exe = x_yes; then
 818         staticexe="-static"
 819         if test "$on_mingw" = yes; then
 820                 staticexe="-all-static"
 821                 # for static crosscompile, include gdi32 and zlib here.
 822                 if test "`uname`" = "Linux"; then
 823                         LIBS="$LIBS -lgdi32 -lz"
 824                 fi
 825         fi
 826 fi
 827
 828 # set lock checking if requested
 829 AC_ARG_ENABLE(lock_checks, AC_HELP_STRING([--enable-lock-checks],
 830         [ enable to check lock and unlock calls, for debug purposes ]),
 831         , )
 832 if test x_$enable_lock_checks = x_yes; then
 833         AC_DEFINE(ENABLE_LOCK_CHECKS, 1, [Define if you want to use debug lock checking (slow).])
 834         CHECKLOCK_OBJ="checklocks.lo"
 835         AC_SUBST(CHECKLOCK_OBJ)
 836 fi
 837
 838 ACX_CHECK_GETADDRINFO_WITH_INCLUDES
 839 if test "$USE_WINSOCK" = 1; then
 840         AC_DEFINE(UB_ON_WINDOWS, 1, [Use win32 resources and API])
 841         AC_CHECK_HEADERS([iphlpapi.h],,, [AC_INCLUDES_DEFAULT
 842 #include <windows.h>
 843         ])
 844         AC_CHECK_TOOL(WINDRES, windres)
 845         LIBS="$LIBS -liphlpapi"
 846         WINAPPS="unbound-service-install.exe unbound-service-remove.exe anchor-update.exe"
 847         AC_SUBST(WINAPPS)
 848         WIN_DAEMON_SRC="winrc/win_svc.c winrc/w_inst.c"
 849         AC_SUBST(WIN_DAEMON_SRC)
 850         WIN_DAEMON_OBJ="win_svc.lo w_inst.lo"
 851         AC_SUBST(WIN_DAEMON_OBJ)
 852         WIN_DAEMON_OBJ_LINK="rsrc_unbound.o"
 853         AC_SUBST(WIN_DAEMON_OBJ_LINK)
 854         WIN_HOST_OBJ_LINK="rsrc_unbound_host.o"
 855         AC_SUBST(WIN_HOST_OBJ_LINK)
 856         WIN_UBANCHOR_OBJ_LINK="rsrc_unbound_anchor.o log.lo locks.lo"
 857         AC_SUBST(WIN_UBANCHOR_OBJ_LINK)
 858         WIN_CONTROL_OBJ_LINK="rsrc_unbound_control.o"
 859         AC_SUBST(WIN_CONTROL_OBJ_LINK)
 860         WIN_CHECKCONF_OBJ_LINK="rsrc_unbound_checkconf.o"
 861         AC_SUBST(WIN_CHECKCONF_OBJ_LINK)
 862 fi
 863 if test $ac_cv_func_getaddrinfo = no; then
 864         AC_LIBOBJ([fake-rfc2553])
 865 fi
 866 # check after getaddrinfo for its libraries
 867 ACX_FUNC_IOCTLSOCKET
 868
 869 # see if daemon(3) exists, and if it is deprecated.
 870 AC_CHECK_FUNCS([daemon])
 871 if test $ac_cv_func_daemon = yes; then
 872         ACX_FUNC_DEPRECATED([daemon], [(void)daemon(0, 0);], [
 873 #include <stdlib.h>
 874 ])
 875 fi
 876
 877 AC_CHECK_MEMBERS([struct in_pktinfo.ipi_spec_dst],,,[
 878 AC_INCLUDES_DEFAULT
 879 #if HAVE_SYS_PARAM_H
 880 #include <sys/param.h>
 881 #endif
 882
 883 #ifdef HAVE_SYS_SOCKET_H
 884 #include <sys/socket.h>
 885 #endif
 886
 887 #ifdef HAVE_SYS_UIO_H
 888 #include <sys/uio.h>
 889 #endif
 890
 891 #ifdef HAVE_NETINET_IN_H
 892 #include <netinet/in.h>
 893 #endif
 894
 895 #ifdef HAVE_ARPA_INET_H
 896 #include <arpa/inet.h>
 897 #endif
 898
 899 #ifdef HAVE_WINSOCK2_H
 900 #include <winsock2.h>
 901 #endif
 902
 903 #ifdef HAVE_WS2TCPIP_H
 904 #include <ws2tcpip.h>
 905 #endif
 906 ])
 907 AC_SEARCH_LIBS([setusercontext], [util])
 908 AC_CHECK_FUNCS([tzset sigprocmask fcntl getpwnam getrlimit setrlimit setsid sbrk chroot kill sleep usleep random srandom recvmsg sendmsg writev socketpair glob initgroups strftime localtime_r setusercontext _beginthreadex])
 909 AC_CHECK_FUNCS([setresuid],,[AC_CHECK_FUNCS([setreuid])])
 910 AC_CHECK_FUNCS([setresgid],,[AC_CHECK_FUNCS([setregid])])
 911
 912 # check if setreuid en setregid fail, on MacOSX10.4(darwin8).
 913 if echo $build_os | grep darwin8 > /dev/null; then
 914         AC_DEFINE(DARWIN_BROKEN_SETREUID, 1, [Define this if on macOSX10.4-darwin8 and setreuid and setregid do not work])
 915 fi
 916 AC_REPLACE_FUNCS(inet_aton)
 917 AC_REPLACE_FUNCS(inet_pton)
 918 AC_REPLACE_FUNCS(inet_ntop)
 919 AC_REPLACE_FUNCS(snprintf)
 920 AC_REPLACE_FUNCS(strlcpy)
 921 AC_REPLACE_FUNCS(memmove)
 922 AC_REPLACE_FUNCS(gmtime_r)
 923 LIBOBJ_WITHOUT_CTIME="$LIBOBJS"
 924 AC_SUBST(LIBOBJ_WITHOUT_CTIME)
 925 AC_REPLACE_FUNCS(ctime_r)
 926
 927 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]))
 928 case "$enable_allsymbols" in
 929         yes)
 930         COMMON_OBJ_ALL_SYMBOLS=""
 931         UBSYMS=""
 932         EXTRALINK="-L. -L.libs -lunbound"
 933         AC_DEFINE(EXPORT_ALL_SYMBOLS, 1, [Define this if you enabled-allsymbols from libunbound to link binaries to it for smaller install size, but the libunbound export table is polluted by internal symbols])
 934         ;;
 935         no|*)
 936         COMMON_OBJ_ALL_SYMBOLS='$(COMMON_OBJ)'
 937         UBSYMS='-export-symbols $(srcdir)/libunbound/ubsyms.def'
 938         EXTRALINK=""
 939         ;;
 940 esac
 941 AC_SUBST(COMMON_OBJ_ALL_SYMBOLS)
 942 AC_SUBST(EXTRALINK)
 943 AC_SUBST(UBSYMS)
 944 if test x_$enable_lock_checks = x_yes; then
 945         UBSYMS="-export-symbols clubsyms.def"
 946         cp ${srcdir}/libunbound/ubsyms.def clubsyms.def
 947         echo lock_protect >> clubsyms.def
 948         echo lock_unprotect >> clubsyms.def
 949         echo lock_get_mem >> clubsyms.def
 950         echo checklock_start >> clubsyms.def
 951         echo checklock_stop >> clubsyms.def
 952         echo checklock_lock >> clubsyms.def
 953         echo checklock_unlock >> clubsyms.def
 954         echo checklock_init >> clubsyms.def
 955         echo checklock_thrcreate >> clubsyms.def
 956         echo checklock_thrjoin >> clubsyms.def
 957 fi
 958
 959 AC_MSG_CHECKING([if ${MAKE:-make} supports $< with implicit rule in scope])
 960 # on openBSD, the implicit rule make $< work.
 961 # on Solaris, it does not work ($? is changed sources, $^ lists dependencies).
 962 # gmake works.
 963 cat >conftest.make <<EOF
 964 all:    conftest.lo
 965
 966 conftest.lo foo.lo bla.lo:
 967         if test -f "\$<"; then touch \$@; fi
 968
 969 .SUFFIXES: .lo
 970 .c.lo:
 971         if test -f "\$<"; then touch \$@; fi
 972
 973 conftest.lo:        conftest.dir/conftest.c
 974 EOF
 975 mkdir conftest.dir
 976 touch conftest.dir/conftest.c
 977 rm -f conftest.lo conftest.c
 978 ${MAKE:-make} -f conftest.make >/dev/null
 979 rm -f conftest.make conftest.c conftest.dir/conftest.c
 980 rm -rf conftest.dir
 981 if test ! -f conftest.lo; then
 982         AC_MSG_RESULT(no)
 983         SOURCEDETERMINE='echo "$^" | awk "-F " "{print \$$1;}" > .source'
 984         SOURCEFILE='`cat .source`'
 985 else
 986         AC_MSG_RESULT(yes)
 987         SOURCEDETERMINE=':'
 988         SOURCEFILE='$<'
 989 fi
 990 rm -f conftest.lo
 991 AC_SUBST(SOURCEDETERMINE)
 992 AC_SUBST(SOURCEFILE)
 993
 994 # see if we want to build the library or everything
 995 ALLTARGET="alltargets"
 996 AC_ARG_WITH(libunbound-only, AC_HELP_STRING([--with-libunbound-only],
 997         [do not build daemon and tool programs]),
 998         [
 999         if test "$withval" = "yes"; then
1000                 ALLTARGET="lib"
1001         fi
1002 ])
1003 AC_SUBST(ALLTARGET)
1004
1005 # check this after all other compilation checks, since the linking of the lib
1006 # may break checks after this.
1007 AC_ARG_WITH(ldns, AC_HELP_STRING([--with-ldns=PATH],
1008         [specify prefix of path of ldns library to use]),
1009         [
1010         if test "$withval" != "yes"; then
1011                 if test "$withval" != "/usr" -a "$withval" != ""; then
1012                         CPPFLAGS="-I$withval/include $CPPFLAGS"
1013                         LDFLAGS="-L$withval/lib $LDFLAGS"
1014                         ACX_RUNTIME_PATH_ADD([$withval/lib])
1015                 fi
1016                 ldnsdir="$withval"
1017                 AC_SUBST(ldnsdir)
1018         fi
1019 ])
1020
1021 # check if ldns is good enough
1022 AC_CHECK_LIB(ldns, ldns_rr_new,,[
1023         AC_MSG_ERROR([No ldns library found, install the ldns library into system lib dir or use --with-ldns=path to other location.  The --with-ldns can point to the make-dir of ldns.  Install the package ldns or download source http://www.nlnetlabs.nl/projects/ldns])
1024 ])
1025 AC_CHECK_FUNC(ldns_buffer_copy)
1026 if test $USE_NSS = "no"; then
1027     AC_CHECK_FUNC(ldns_key_buf2rsa_raw)
1028 else
1029     dnl ignore test
1030     ac_cv_func_ldns_key_buf2rsa_raw="yes"
1031 fi
1032 AC_CHECK_FUNC(ldns_get_random)
1033 AC_CHECK_FUNC(ldns_b32_ntop_extended_hex)
1034 if test x$use_gost = xyes -a x$USE_NSS = xno; then
1035     AC_CHECK_FUNC(ldns_key_EVP_load_gost_id)
1036     AC_CHECK_FUNCS([ldns_key_EVP_unload_gost])
1037 else
1038     dnl ignore test
1039     ac_cv_func_ldns_key_EVP_load_gost_id="yes"
1040 fi
1041 if test x$use_ecdsa = xyes; then
1042     AC_CHECK_DECL([LDNS_ECDSAP384SHA384], [], [], [
1043 AC_INCLUDES_DEFAULT
1044 #ifdef HAVE_SYS_SOCKET_H
1045 #  include <sys/socket.h>
1046 #endif
1047 #ifdef HAVE_WS2TCPIP_H
1048 #  include <ws2tcpip.h>
1049 #endif
1050 #include <ldns/ldns.h>
1051     ])
1052 else
1053     ac_cv_have_decl_LDNS_ECDSAP384SHA384="yes"
1054 fi
1055 AC_CHECK_HEADERS([ldns/ldns.h],,[
1056         AC_MSG_ERROR([No ldns include file found, install the ldns library development files.  Install package ldns-dev or ldns-devel or download source http://www.nlnetlabs.nl/projects/ldns])
1057         ], [AC_INCLUDES_DEFAULT
1058 #ifdef HAVE_SYS_SOCKET_H
1059 #include <sys/socket.h>
1060 #endif
1061
1062 #ifdef HAVE_NETINET_IN_H
1063 #include <netinet/in.h>
1064 #endif
1065
1066 #ifdef HAVE_ARPA_INET_H
1067 #include <arpa/inet.h>
1068 #endif
1069
1070 #ifdef HAVE_WINSOCK2_H
1071 #include <winsock2.h>
1072 #endif
1073
1074 #ifdef HAVE_WS2TCPIP_H
1075 #include <ws2tcpip.h>
1076 #endif
1077 ])
1078 if test $ac_cv_func_ldns_buffer_copy = yes \
1079     -a $ac_cv_func_ldns_key_buf2rsa_raw = yes \
1080     -a $ac_cv_func_ldns_get_random = yes \
1081     -a $ac_cv_header_ldns_ldns_h = yes \
1082     -a $ac_cv_func_ldns_b32_ntop_extended_hex = yes \
1083     -a $ac_cv_func_ldns_key_EVP_load_gost_id = yes \
1084     -a $ac_cv_have_decl_LDNS_ECDSAP384SHA384 = yes; then
1085     dnl ldns was found
1086     :
1087 else
1088     AC_MSG_ERROR([ldns library is not recent, update the ldns library, install it into system lib dir or use --with-ldns=path to other location.  The --with-ldns can point to the make-dir of ldns.  Package libldns or download source http://www.nlnetlabs.nl/projects/ldns])
1089 fi
1090
1091 ACX_STRIP_EXT_FLAGS
1092 LDFLAGS="$LATE_LDFLAGS $LDFLAGS"
1093
1094 AC_DEFINE_UNQUOTED([MAXSYSLOGMSGLEN], [10240], [Define to the maximum message length to pass to syslog.])
1095
1096 AH_BOTTOM(
1097 dnl this must be first AH_CONFIG, to define the flags before any includes.
1098 AHX_CONFIG_EXT_FLAGS
1099
1100 dnl includes
1101 [
1102 #ifndef UNBOUND_DEBUG
1103 #  define NDEBUG
1104 #endif
1105
1106 #include <stdio.h>
1107 #include <string.h>
1108 #include <unistd.h>
1109 #include <assert.h>
1110
1111 #if STDC_HEADERS
1112 #include <stdlib.h>
1113 #include <stddef.h>
1114 #endif
1115
1116 #ifdef HAVE_STDINT_H
1117 #include <stdint.h>
1118 #endif
1119
1120 #include <errno.h>
1121
1122 #if HAVE_SYS_PARAM_H
1123 #include <sys/param.h>
1124 #endif
1125
1126 #ifdef HAVE_SYS_SOCKET_H
1127 #include <sys/socket.h>
1128 #endif
1129
1130 #ifdef HAVE_SYS_UIO_H
1131 #include <sys/uio.h>
1132 #endif
1133
1134 #ifdef HAVE_NETINET_IN_H
1135 #include <netinet/in.h>
1136 #endif
1137
1138 #ifdef HAVE_ARPA_INET_H
1139 #include <arpa/inet.h>
1140 #endif
1141
1142 #ifdef HAVE_WINSOCK2_H
1143 #include <winsock2.h>
1144 #endif
1145
1146 #ifdef HAVE_WS2TCPIP_H
1147 #include <ws2tcpip.h>
1148 #endif
1149 ]
1150
1151 AHX_CONFIG_FORMAT_ATTRIBUTE
1152 AHX_CONFIG_UNUSED_ATTRIBUTE
1153 AHX_CONFIG_FSEEKO
1154 AHX_CONFIG_MAXHOSTNAMELEN
1155 AHX_CONFIG_SNPRINTF(unbound)
1156 AHX_CONFIG_INET_PTON(unbound)
1157 AHX_CONFIG_INET_NTOP(unbound)
1158 AHX_CONFIG_INET_ATON(unbound)
1159 AHX_CONFIG_MEMMOVE(unbound)
1160 AHX_CONFIG_STRLCPY(unbound)
1161 AHX_CONFIG_GMTIME_R(unbound)
1162 AHX_CONFIG_W32_SLEEP
1163 AHX_CONFIG_W32_USLEEP
1164 AHX_CONFIG_W32_RANDOM
1165 AHX_CONFIG_W32_SRANDOM
1166 AHX_CONFIG_W32_FD_SET_T
1167 AHX_CONFIG_IPV6_MIN_MTU
1168 AHX_MEMCMP_BROKEN(unbound)
1169
1170 [
1171 #ifndef HAVE_CTIME_R
1172 #define ctime_r unbound_ctime_r
1173 char *ctime_r(const time_t *timep, char *buf);
1174 #endif
1175
1176 #if !defined(HAVE_STRPTIME) || !defined(STRPTIME_WORKS)
1177 #define strptime unbound_strptime
1178 struct tm;
1179 char *strptime(const char *s, const char *format, struct tm *tm);
1180 #endif
1181
1182 #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))
1183    /* using version of libevent that is not threadsafe. */
1184 #  define LIBEVENT_SIGNAL_PROBLEM 1
1185 #endif
1186
1187 #ifndef CHECKED_INET6
1188 #  define CHECKED_INET6
1189 #  ifdef AF_INET6
1190 #    define INET6
1191 #  else
1192 #    define AF_INET6        28
1193 #  endif
1194 #endif /* CHECKED_INET6 */
1195
1196 /* maximum nesting of included files */
1197 #define MAXINCLUDES 10
1198 #ifndef HAVE_GETADDRINFO
1199 struct sockaddr_storage;
1200 #include "compat/fake-rfc2553.h"
1201 #endif
1202
1203 #ifdef UNBOUND_ALLOC_STATS
1204 #  define malloc(s) unbound_stat_malloc_log(s, __FILE__, __LINE__, __func__)
1205 #  define calloc(n,s) unbound_stat_calloc_log(n, s, __FILE__, __LINE__, __func__)
1206 #  define free(p) unbound_stat_free_log(p, __FILE__, __LINE__, __func__)
1207 #  define realloc(p,s) unbound_stat_realloc_log(p, s, __FILE__, __LINE__, __func__)
1208 void *unbound_stat_malloc(size_t size);
1209 void *unbound_stat_calloc(size_t nmemb, size_t size);
1210 void unbound_stat_free(void *ptr);
1211 void *unbound_stat_realloc(void *ptr, size_t size);
1212 void *unbound_stat_malloc_log(size_t size, const char* file, int line,
1213         const char* func);
1214 void *unbound_stat_calloc_log(size_t nmemb, size_t size, const char* file,
1215         int line, const char* func);
1216 void unbound_stat_free_log(void *ptr, const char* file, int line,
1217         const char* func);
1218 void *unbound_stat_realloc_log(void *ptr, size_t size, const char* file,
1219         int line, const char* func);
1220 #elif defined(UNBOUND_ALLOC_LITE)
1221 #  include "util/alloc.h"
1222 #endif /* UNBOUND_ALLOC_LITE and UNBOUND_ALLOC_STATS */
1223
1224 /** default port for DNS traffic. */
1225 #define UNBOUND_DNS_PORT 53
1226 /** default port for unbound control traffic, registered port with IANA,
1227     ub-dns-control  8953/tcp    unbound dns nameserver control */
1228 #define UNBOUND_CONTROL_PORT 8953
1229 /** the version of unbound-control that this software implements */
1230 #define UNBOUND_CONTROL_VERSION 1
1231
1232 ])
1233
1234 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 smallapp/unbound-control-setup.sh])
1235 AC_CONFIG_HEADER([config.h])
1236 AC_OUTPUT