configure.ac

   1 AC_INIT([DHCP],[4.3.4],[dhcp-users@isc.org])
   2
   3 # we specify "foreign" to avoid having to have the GNU mandated files,
   4 # like AUTHORS, COPYING, and such
   5 AM_INIT_AUTOMAKE([foreign])
   6
   7 # we specify AM_MAINTAINER_MODE to avoid problems with rebuilding
   8 # the configure and makefiles.  Without it users doing things that
   9 # change the timestamps on the code, like checking it into a cvs
  10 # tree, could trigger a rebuild of the infrastructure files which
  11 # might fail if they don't have the correct tools.
  12 AM_MAINTAINER_MODE
  13
  14 AC_CANONICAL_HOST
  15
  16 # We want to turn on warnings if we are using gcc and the user did
  17 # not specify CFLAGS. The autoconf check for the C compiler sets the
  18 # CFLAGS if gcc is used, so we will save it before we run that check.
  19 SAVE_CFLAGS="$CFLAGS"
  20
  21 # Now find our C compiler.
  22 AC_PROG_CC
  23
  24 # Suppress warnings about --datarootdir
  25 AC_DEFUN([AC_DATAROOTDIR_CHECKED])
  26
  27 # If we have gcc, and AC_PROG_CC changed the flags, then we know the
  28 # user did not specify any flags. Add warnings in this case.
  29 if test "$GCC" = "yes"; then
  30         if test "$CFLAGS" != "$SAVE_CFLAGS"; then
  31                 STD_CWARNINGS="$STD_CWARNINGS -Wall -Werror -fno-strict-aliasing"
  32         fi
  33 fi
  34
  35 # We can have some flags to pass to bind configure
  36 BINDCONFIG=
  37 if test "$cross_compiling" = "yes"; then
  38         BINDCONFIG="--host=$host"
  39 fi
  40 AC_SUBST(BINDCONFIG)
  41 AM_CONDITIONAL(CROSS_COMPILING, test "$cross_compiling" = "yes")
  42
  43 # POSIX doesn't include the IPv6 Advanced Socket API and glibc hides
  44 # parts of the IPv6 Advanced Socket API as a result.  This is stupid
  45 # as it breaks how the two halves (Basic and Advanced) of the IPv6
  46 # Socket API were designed to be used but we have to live with it.
  47 # Use this to define _GNU_SOURCE to pull in the IPv6 Advanced Socket API.
  48 AC_USE_SYSTEM_EXTENSIONS
  49
  50 AC_PROG_RANLIB
  51
  52 AC_PATH_PROG(AR, ar)
  53 AC_SUBST(AR)
  54
  55 if test "X$AR" = "X"; then
  56         AC_MSG_ERROR([
  57 ar program not found.  Please fix your PATH to include the directory in
  58 which ar resides, or set AR in the environment with the full path to ar.])
  59 fi
  60
  61 AC_CONFIG_HEADERS([includes/config.h])
  62
  63 # we sometimes need to know byte order for building packets
  64 AC_C_BIGENDIAN(AC_SUBST(byte_order, BIG_ENDIAN),
  65                AC_SUBST(byte_order, LITTLE_ENDIAN))
  66 AC_DEFINE_UNQUOTED([DHCP_BYTE_ORDER], [$byte_order],
  67                    [Define to BIG_ENDIAN for MSB (Motorola or SPARC CPUs)
  68                     or LITTLE_ENDIAN for LSB (Intel CPUs).])
  69
  70 # Optional compile-time DEBUGging.
  71 AC_ARG_ENABLE(debug,
  72         AS_HELP_STRING([--enable-debug],[create a debug-only version of the software (default is no).]),
  73   [case "${enableval}" in
  74     yes) enable_debug=yes
  75         AC_DEFINE([DEBUG], [1],
  76             [Define to compile debug-only DHCP software.])
  77         # Just override CFLAGS totally to remove optimization.
  78         CFLAGS="-g";;
  79     no)  enable_debug=no ;;
  80     *)   AC_MSG_ERROR([bad value ${enableval} for --enable-debug]) ;;
  81   esac],[enable_debug=no])
  82
  83 # XXX: there are actually quite a lot more DEBUG_ features we could enable,
  84 # but I don't want to pollute the --help space.
  85 #
  86 #/* #define DEBUG_TOKENS */
  87 #/* #define DEBUG_PACKET */
  88 #/* #define DEBUG_EXPRESSIONS */
  89 #/* #define DEBUG_FIND_LEASE */
  90 #/* #define DEBUG_EXPRESSION_PARSE */
  91 #/* #define DEBUG_CLASS_MATCHING */
  92 #/* #define DEBUG_MEMORY_LEAKAGE */
  93 #/* #define DEBUG_MALLOC_POOL */
  94 #/* #define DEBUG_LEASE_STATE_TRANSITIONS */
  95 #/* #define DEBUG_RC_HISTORY */
  96 #/* #define DEBUG_RC_HISTORY_EXHAUSTIVELY */
  97 #/* #define RC_HISTORY_MAX 10240 */
  98 #/* #define POINTER_DEBUG */
  99 #/* #define DEBUG_FAILOVER_MESSAGES */
 100 #/* #define DEBUG_FAILOVER_TIMING */
 101 #/* #define DEBUG_DUMP_ALL_LEASES */
 102
 103 # Failover optional compile-time feature.
 104 AC_ARG_ENABLE(failover,
 105         AS_HELP_STRING([--enable-failover],[enable support for failover (default is yes)]))
 106 # Failover is on by default, so define if it is not explicitly disabled.
 107 if test "$enable_failover" != "no"; then
 108     enable_failover="yes"
 109         AC_DEFINE([FAILOVER_PROTOCOL], [1],
 110                   [Define to include Failover Protocol support.])
 111 fi
 112
 113 # execute() support.
 114 AC_ARG_ENABLE(execute,
 115         AS_HELP_STRING([--enable-execute],[enable support for execute() in config (default is yes)]))
 116 # execute() is on by default, so define if it is not explicitly disabled.
 117 if test "$enable_execute" != "no" ; then
 118     enable_execute="yes"
 119         AC_DEFINE([ENABLE_EXECUTE], [1],
 120                   [Define to include execute() config language support.])
 121 fi
 122
 123 # Server tracing support.
 124 AC_ARG_ENABLE(tracing,
 125         AS_HELP_STRING([--enable-tracing],[enable support for server activity tracing (default is yes)]))
 126 # tracing is on by default, so define if it is not explicitly disabled.
 127 if test "$enable_tracing" != "no" ; then
 128         AC_DEFINE([TRACING], [1],
 129                   [Define to include server activity tracing support.])
 130 fi
 131
 132 # Delayed-ack feature support (experimental).
 133 AC_ARG_ENABLE(delayed_ack,
 134         AS_HELP_STRING([--enable-delayed-ack],[queues multiple DHCPACK replies (default is no)]))
 135 if test "$enable_delayed_ack" = "yes"; then
 136         AC_DEFINE([DELAYED_ACK], [1],
 137                   [Define to queue multiple DHCPACK replies per fsync.])
 138 else
 139     enable_delayed_ack="no"
 140 fi
 141
 142 # DHCPv6 optional compile-time feature.
 143 AC_ARG_ENABLE(dhcpv6,
 144         AS_HELP_STRING([--enable-dhcpv6],[enable support for DHCPv6 (default is yes)]))
 145 # DHCPv6 is on by default, so define if it is not explicitly disabled.
 146 if test "$enable_dhcpv6" != "no"; then
 147     enable_dhcpv6="yes"
 148         AC_DEFINE([DHCPv6], [1],
 149                   [Define to 1 to include DHCPv6 support.])
 150 fi
 151
 152 # DHCPv4o6 optional compile-time feature.
 153 AC_ARG_ENABLE(dhcpv4o6,
 154         AS_HELP_STRING([--enable-dhcpv4o6],[enable support for DHCPv4-over-DHCPv6 (default is no)]))
 155 # DHCPv4o6 is off by default, so define if it is explicitly enabled.
 156 if test "$enable_dhcpv4o6" = "yes"; then
 157         # DHCPv4o6 requires DHCPv6
 158         if test "$enable_dhcpv6" = "no"; then
 159                 AC_MSG_ERROR([dhcpv4o6 requires dhcpv6])
 160         fi
 161         # DHCPv4o6 is not yet compatible with delayed-ack
 162         if test "$enable_delayed_ack" = "yes"; then
 163                 AC_MSG_ERROR([dhcpv4o6 is not compatible with delayed-ack])
 164         fi
 165         AC_DEFINE([DHCP4o6], [1],
 166                   [Define to 1 to include DHCPv4 over DHCPv6 support.])
 167 fi
 168
 169 # PARANOIA is off by default (until we can test it with all features)
 170 AC_ARG_ENABLE(paranoia,
 171         AS_HELP_STRING([--enable-paranoia],[enable support for chroot/setuid (default is no)]))
 172 AC_ARG_ENABLE(early_chroot,
 173         AS_HELP_STRING([--enable-early-chroot],[enable chrooting prior to configuration (default is no)]))
 174 # If someone enables early chroot, but does not enable paranoia, do so for
 175 # them.
 176 if test "$enable_paranoia" != "yes" && \
 177    test "$enable_early_chroot" = "yes" ; then
 178         enable_paranoia="yes"
 179 fi
 180
 181 if test "$enable_paranoia" = "yes" ; then
 182         AC_DEFINE([PARANOIA], [1],
 183                   [Define to any value to include Ari's PARANOIA patch.])
 184 fi
 185 if test "$enable_early_chroot" = "yes" ; then
 186         AC_DEFINE([EARLY_CHROOT], [1],
 187                   [Define to any value to chroot() prior to loading config.])
 188 fi
 189
 190 AC_ARG_ENABLE(ipv4_pktinfo,
 191         AS_HELP_STRING([--enable-ipv4-pktinfo],[enable use of pktinfo on IPv4 sockets (default is no)]))
 192
 193 if test "$enable_ipv4_pktinfo" = "yes"; then
 194         AC_DEFINE([USE_V4_PKTINFO], [1],
 195                 [Define to 1 to enable IPv4 packet info support.])
 196 fi
 197
 198 AC_ARG_ENABLE(use_sockets,
 199         AS_HELP_STRING([--enable-use-sockets],[use the standard BSD socket API (default is no)]))
 200
 201 if test "$enable_use_sockets" = "yes"; then
 202         AC_DEFINE([USE_SOCKETS], [1],
 203                 [Define to 1 to use the standard BSD socket API.])
 204 fi
 205
 206 # Try to hnadle incorrect byte order for secs field
 207 # This is off by default
 208 AC_ARG_ENABLE(secs_byteorder,
 209         AS_HELP_STRING([--enable-secs-byteorder],[Correct bad byteorders in the secs field (default is no).]))
 210
 211 if test "$enable_secs_byteorder" = "yes" ; then
 212         AC_DEFINE([SECS_BYTEORDER], [1],
 213                 [Define to correct bad byteorders in secs field.])
 214 fi
 215
 216 # Include the PID in the log messages.  This is useful when there may
 217 # be multiple instances of a program.
 218 # This is off by default
 219 AC_ARG_ENABLE(log_pid,
 220         AS_HELP_STRING([--enable-log-pid],[Include PIDs in syslog messages (default is no).]))
 221 if test "$enable_log_pid" = "yes" ; then
 222         AC_DEFINE([USE_LOG_PID], [1],
 223                 [Define to include PIDs in syslog messages.])
 224 fi
 225
 226 # Allow for binary search when inserting v4 leases into queues
 227 AC_ARG_ENABLE(binary_leases,
 228         AS_HELP_STRING([--enable-binary-leases],[enable support for binary insertion of leases (default is no)]))
 229 # binary_leases is off by default.
 230 if test "$enable_binary_leases" = "yes"; then
 231         AC_DEFINE([BINARY_LEASES], [1],
 232                   [Define to support binary insertion of leases into queues.])
 233 else
 234     enable_binary_leases="no"
 235 fi
 236
 237 # Testing section
 238
 239 DISTCHECK_ATF_CONFIGURE_FLAG=
 240 atf_path="no"
 241 AC_ARG_WITH([atf],
 242     AS_HELP_STRING([--with-atf=PATH],[specify location where atf was installed (or "bind")]),
 243     [atf_path="$withval"])
 244 AM_CONDITIONAL(BIND_ATF, test "$atf_path" = "bind")
 245 if test "$atf_path" = "bind" ; then
 246     DISTCHECK_ATF_CONFIGURE_FLAG="--with-atf=bind"
 247     atf_pcp="bind"
 248     atf_path="\${top_srcdir}/bind/atf"
 249     ATF_CFLAGS="-I$atf_path/include -DUNIT_TEST"
 250     ATF_LDFLAGS="-L$atf_path/lib -latf-c"
 251     ATF_BIN=`cd $srcdir; pwd`/bind/atf/bin
 252     AC_SUBST(ATF_CFLAGS)
 253     AC_SUBST(ATF_LDFLAGS)
 254     AC_SUBST(ATF_BIN)
 255     BINDCONFIG="$BINDCONFIG --with-atf"
 256 elif test "$atf_path" != "no" ; then
 257     DISTCHECK_ATF_CONFIGURE_FLAG="--with-atf=$atf_path"
 258     # Config path for pkg-config
 259     atf_pcp=""
 260     if test "$atf_path" != "yes" ; then
 261         if test -f $atf_path/lib/pkgconfig/atf-c.pc ; then
 262             atf_pcp=$atf_path/lib/pkgconfig
 263         elif test -f $atf_path/lib64/pkgconfig/atf-c.pc ; then
 264             atf_pcp=$atf_path/lib64/pkgconfig
 265         fi
 266     else
 267         # Not specified, try some common paths
 268         atf_dirs="/usr /usr/local /usr/pkg /opt /opt/local"
 269         for d in $atf_dirs
 270         do
 271             if test -f $d/lib/pkgconfig/atf-c.pc ; then
 272                 atf_pcp=$d/lib/pkgconfig
 273                 atf_path=$d
 274             elif test -f $d/lib64/pkgconfig/atf-c.pc ; then
 275                 atf_pcp=$d/lib64/pkgconfig
 276                 atf_path=$d
 277             fi
 278         done
 279     fi
 280
 281     if test "$atf_pcp" = "" ; then
 282         AC_MSG_ERROR([Unable to find atf files in location specified])
 283     else
 284         AC_CHECK_PROG([pkgcfg_found],[pkg-config],[pkg-config],[])
 285         if test "$pkgcfg_found" = ""; then
 286             AC_MSG_ERROR([Could not locate ATF, pkg-config not installed])
 287         fi
 288         ATF_CFLAGS="`PKG_CONFIG_PATH=$atf_pcp pkg-config --cflags atf-c` -DUNIT_TEST"
 289         ATF_LDFLAGS="`PKG_CONFIG_PATH=$atf_pcp pkg-config --libs atf-c`"
 290         if  test -f $atf_pcp/atf-sh.pc ; then
 291                 ATF_BIN="`PKG_CONFIG_PATH=$atf_pcp pkg-config --variable=exec_prefix atf-sh`/bin"
 292         else
 293                 # older versions don't have atf-sh, try usual place
 294                 ATF_BIN=$atf_path/bin
 295         fi
 296
 297         if test ! -x $ATF_BIN/atf-run  -o  ! -x $ATF_BIN/atf-report ; then
 298             AC_MSG_WARN([atf-run,atf-report not found, assuming they are in your path])
 299         fi
 300
 301         AC_SUBST(ATF_CFLAGS)
 302         AC_SUBST(ATF_LDFLAGS)
 303         AC_SUBST(ATF_BIN)
 304     fi
 305 fi
 306
 307 AM_CONDITIONAL(HAVE_ATF, test "$atf_pcp" != "")
 308 AM_COND_IF([HAVE_ATF], [AC_DEFINE([HAVE_ATF], [1], [ATF framework specified?])])
 309 AC_SUBST(DISTCHECK_ATF_CONFIGURE_FLAG)
 310
 311 ###
 312 ### Path fun.  Older versions of DHCP were installed in /usr/sbin, so we
 313 ### need to look there and potentially overwrite by default (but not if
 314 ### the user configures an alternate value).  LOCALSTATEDIR is totally
 315 ### braindead.  No one uses /usr/local/var/db/ nor /usr/local/var/run, and
 316 ### they would be insane for suggesting it.  We need to look in /var/for
 317 ### 'db' and 'state/dhcp' for db files, and /var/run for pid files by
 318 ### default.
 319 ###
 320 AC_PREFIX_PROGRAM(dhcpd)
 321
 322 # XXX - isn't there SOME WAY to default autoconf to /var instead of
 323 # /usr/local/var/no/one/has/this/please/stop/trying?
 324 case "$localstatedir" in
 325         '${prefix}/var')
 326                 localstatedir=/var
 327                 ;;
 328 esac
 329
 330 # Allow specification of alternate state files
 331 AC_ARG_WITH(srv-lease-file,
 332         AS_HELP_STRING([--with-srv-lease-file=PATH],[File for dhcpd leases
 333                         (default is LOCALSTATEDIR/db/dhcpd.leases)]),
 334         AC_DEFINE_UNQUOTED([_PATH_DHCPD_DB], ["$withval"],
 335                            [File for dhcpd leases.]))
 336
 337 AC_MSG_CHECKING([for dhcpd.leases location])
 338 if [[ "x$with_srv_lease_file" = "x" ]] ; then
 339         if [[ -d "${localstatedir}/db" ]] ; then
 340                 with_srv_lease_file="${localstatedir}/db/dhcpd.leases"
 341         elif [[ -d "${localstatedir}/state" ]] ; then
 342                 if [[ -d "${localstatedir}/state/dhcp" ]] ; then
 343                         with_srv_lease_file="${localstatedir}/state/dhcp/dhcpd.leases"
 344                 else
 345                         with_srv_lease_file="${localstatedir}/state/dhcpd.leases"
 346                 fi
 347         elif [[ -d "${localstatedir}/lib" ]] ; then
 348                 if [[ -d "${localstatedir}/lib/dhcp" ]] ; then
 349                         with_srv_lease_file="${localstatedir}/lib/dhcp/dhcpd.leases"
 350                 else
 351                         with_srv_lease_file="${localstatedir}/lib/dhcpd.leases"
 352                 fi
 353         elif [[ -d "${localstatedir}/etc" ]] ; then
 354                 with_srv_lease_file="${localstatedir}/etc/dhcpd.leases"
 355         else
 356                 with_srv_lease_file="/etc/dhcpd.leases"
 357         fi
 358 fi
 359 AC_MSG_RESULT($with_srv_lease_file)
 360
 361 AC_ARG_WITH(srv6-lease-file,
 362         AS_HELP_STRING([--with-srv6-lease-file=PATH],[File for dhcpd6 leases
 363                         (default is LOCALSTATEDIR/db/dhcpd6.leases)]),
 364         AC_DEFINE_UNQUOTED([_PATH_DHCPD6_DB], ["$withval"],
 365                            [File for dhcpd6 leases.]))
 366
 367 AC_MSG_CHECKING([for dhcpd6.leases location])
 368 if [[ "x$with_srv6_lease_file" = "x" ]] ; then
 369         if [[ -d "${localstatedir}/db" ]] ; then
 370                 with_srv6_lease_file="${localstatedir}/db/dhcpd6.leases"
 371         elif [[ -d "${localstatedir}/state" ]] ; then
 372                 if [[ -d "${localstatedir}/state/dhcp" ]] ; then
 373                         with_srv6_lease_file="${localstatedir}/state/dhcp/dhcpd6.leases"
 374                 else
 375                         with_srv6_lease_file="${localstatedir}/state/dhcpd6.leases"
 376                 fi
 377         elif [[ -d "${localstatedir}/lib" ]] ; then
 378                 if [[ -d "${localstatedir}/lib/dhcp" ]] ; then
 379                         with_srv6_lease_file="${localstatedir}/lib/dhcp/dhcpd6.leases"
 380                 else
 381                         with_srv6_lease_file="${localstatedir}/lib/dhcpd6.leases"
 382                 fi
 383         elif [[ -d "${localstatedir}/etc" ]] ; then
 384                 with_srv6_lease_file="${localstatedir}/etc/dhcpd6.leases"
 385         else
 386                 with_srv6_lease_file="/etc/dhcpd6.leases"
 387         fi
 388 fi
 389 AC_MSG_RESULT($with_srv6_lease_file)
 390
 391 AC_ARG_WITH(cli-lease-file,
 392         AS_HELP_STRING([--with-cli-lease-file=PATH],[File for dhclient leases
 393                         (default is LOCALSTATEDIR/db/dhclient.leases)]),
 394         AC_DEFINE_UNQUOTED([_PATH_DHCLIENT_DB], ["$withval"],
 395                            [File for dhclient leases.]))
 396
 397 AC_MSG_CHECKING([for dhclient.leases location])
 398 if [[ "x$with_cli_lease_file" = "x" ]] ; then
 399         if [[ -d "${localstatedir}/db" ]] ; then
 400                 with_cli_lease_file="${localstatedir}/db/dhclient.leases"
 401         elif [[ -d "${localstatedir}/state" ]] ; then
 402                 if [[ -d "${localstatedir}/state/dhcp" ]] ; then
 403                         with_cli_lease_file="${localstatedir}/state/dhcp/dhclient.leases"
 404                 else
 405                         with_cli_lease_file="${localstatedir}/state/dhclient.leases"
 406                 fi
 407         elif [[ -d "${localstatedir}/lib" ]] ; then
 408                 if [[ -d "${localstatedir}/lib/dhcp" ]] ; then
 409                         with_cli_lease_file="${localstatedir}/lib/dhcp/dhclient.leases"
 410                 else
 411                         with_cli_lease_file="${localstatedir}/lib/dhclient.leases"
 412                 fi
 413         elif [[ -d "${localstatedir}/etc" ]] ; then
 414                 with_cli_lease_file="${localstatedir}/etc/dhclient.leases"
 415         else
 416                 with_cli_lease_file="/etc/dhclient.leases"
 417         fi
 418 fi
 419 AC_MSG_RESULT($with_cli_lease_file)
 420
 421 AC_ARG_WITH(cli6-lease-file,
 422         AS_HELP_STRING([--with-cli6-lease-file=PATH],[File for dhclient6 leases
 423                         (default is LOCALSTATEDIR/db/dhclient6.leases)]),
 424         AC_DEFINE_UNQUOTED([_PATH_DHCLIENT6_DB], ["$withval"],
 425                            [File for dhclient6 leases.]))
 426
 427 AC_MSG_CHECKING([for dhclient6.leases location])
 428 if [[ "x$with_cli6_lease_file" = "x" ]] ; then
 429         if [[ -d "${localstatedir}/db" ]] ; then
 430                 with_cli6_lease_file="${localstatedir}/db/dhclient6.leases"
 431         elif [[ -d "${localstatedir}/state" ]] ; then
 432                 if [[ -d "${localstatedir}/state/dhcp" ]] ; then
 433                         with_cli6_lease_file="${localstatedir}/state/dhcp/dhclient6.leases"
 434                 else
 435                         with_cli6_lease_file="${localstatedir}/state/dhclient6.leases"
 436                 fi
 437         elif [[ -d "${localstatedir}/lib" ]] ; then
 438                 if [[ -d "${localstatedir}/lib/dhcp" ]] ; then
 439                         with_cli6_lease_file="${localstatedir}/lib/dhcp/dhclient6.leases"
 440                 else
 441                         with_cli6_lease_file="${localstatedir}/lib/dhclient6.leases"
 442                 fi
 443         elif [[ -d "${localstatedir}/etc" ]] ; then
 444                 with_cli6_lease_file="${localstatedir}/etc/dhclient6.leases"
 445         else
 446                 with_cli6_lease_file="/etc/dhclient6.leases"
 447         fi
 448 fi
 449 AC_MSG_RESULT($with_cli6_lease_file)
 450
 451 AC_ARG_WITH(srv-pid-file,
 452         AS_HELP_STRING([--with-srv-pid-file=PATH],[File for dhcpd process information
 453                         (default is LOCALSTATEDIR/run/dhcpd.pid)]),
 454         AC_DEFINE_UNQUOTED([_PATH_DHCPD_PID], ["$withval"],
 455                            [File for dhcpd process information.]))
 456 AC_ARG_WITH(srv6-pid-file,
 457         AS_HELP_STRING([--with-srv6-pid-file=PATH],[File for dhcpd6 process information
 458                         (default is LOCALSTATEDIR/run/dhcpd6.pid)]),
 459         AC_DEFINE_UNQUOTED([_PATH_DHCPD6_PID], ["$withval"],
 460                            [File for dhcpd6 process information.]))
 461 AC_ARG_WITH(cli-pid-file,
 462         AS_HELP_STRING([--with-cli-pid-file=PATH],[File for dhclient process information
 463                         (default is LOCALSTATEDIR/run/dhclient.pid)]),
 464         AC_DEFINE_UNQUOTED([_PATH_DHCLIENT_PID], ["$withval"],
 465                            [File for dhclient process information.]))
 466 AC_ARG_WITH(cli6-pid-file,
 467         AS_HELP_STRING([--with-cli6-pid-file=PATH],[File for dhclient6 process information
 468                         (default is LOCALSTATEDIR/run/dhclient6.pid)]),
 469         AC_DEFINE_UNQUOTED([_PATH_DHCLIENT6_PID], ["$withval"],
 470                            [File for dhclient6 process information.]))
 471 AC_ARG_WITH(relay-pid-file,
 472         AS_HELP_STRING([--with-relay-pid-file=PATH],[File for dhcrelay process information
 473                         (default is LOCALSTATEDIR/run/dhcrelay.pid)]),
 474         AC_DEFINE_UNQUOTED([_PATH_DHCRELAY_PID], ["$withval"],
 475                            [File for dhcrelay process information.]))
 476 AC_ARG_WITH(relay6-pid-file,
 477         AS_HELP_STRING([--with-relay6-pid-file=PATH],[File for dhcrelay6 process information
 478                         (default is LOCALSTATEDIR/run/dhcrelay6.pid)]),
 479         AC_DEFINE_UNQUOTED([_PATH_DHCRELAY6_PID], ["$withval"],
 480                            [File for dhcrelay6 process information.]))
 481
 482 # Check basic types.
 483 AC_TYPE_INT8_T
 484 AC_TYPE_INT16_T
 485 AC_TYPE_INT32_T
 486 AC_TYPE_INT64_T
 487
 488 # Some systems need the u_intX_t types defined across.
 489 AC_CHECK_TYPE([u_int8_t], [], [
 490   AC_TYPE_UINT8_T
 491   AC_DEFINE(u_int8_t, [uint8_t], [Define a type for 8-bit unsigned
 492                                   integers.])
 493 ])
 494 AC_CHECK_TYPE([u_int16_t], [], [
 495   AC_TYPE_UINT16_T
 496   AC_DEFINE(u_int16_t, [uint16_t], [Define a type for 16-bit unsigned
 497                                     integers.])
 498 ])
 499 AC_CHECK_TYPE([u_int32_t], [], [
 500   AC_TYPE_UINT32_T
 501   AC_DEFINE(u_int32_t, [uint32_t], [Define a type for 32-bit unsigned
 502                                     integers.])
 503 ])
 504 AC_CHECK_TYPE([u_int64_t], [], [
 505   AC_TYPE_UINT64_T
 506   AC_DEFINE(u_int64_t, [uint64_t], [Define a type for 64-bit unsigned
 507                                     integers.])
 508 ])
 509
 510 # see if ifaddrs.h is available
 511 AC_CHECK_HEADERS(ifaddrs.h)
 512
 513 # figure out what IPv4 interface code to use
 514 AC_CHECK_HEADERS(linux/types.h)  # needed for linux/filter.h on old systems
 515
 516 AC_CHECK_HEADER(linux/filter.h, DO_LPF=1, ,
 517 [
 518 #ifdef HAVE_LINUX_TYPES_H
 519 #include <linux/types.h>
 520 #endif
 521 ])
 522 if test -n "$DO_LPF"
 523 then
 524         AC_DEFINE([HAVE_LPF], [1],
 525                   [Define to 1 to use the Linux Packet Filter interface code.])
 526 else
 527         AC_CHECK_HEADER(sys/dlpi.h, DO_DLPI=1)
 528         if test -n "$DO_DLPI"
 529         then
 530                 AC_DEFINE([HAVE_DLPI], [1],
 531                           [Define to 1 to use DLPI interface code.])
 532         else
 533                 AC_CHECK_HEADER(net/bpf.h, DO_BPF=1)
 534                 if test -n "$DO_BPF"
 535                 then
 536                         AC_DEFINE([HAVE_BPF], [1],
 537                                    [Define to 1 to use the
 538                                    Berkeley Packet Filter interface code.])
 539                 fi
 540         fi
 541 fi
 542
 543 # SIOCGLIFCONF uses some transport structures.  Trick is not all platforms
 544 # use the same structures.  We like to use 'struct lifconf' and 'struct
 545 # lifreq', but we'll use these other structures if they're present.  HPUX
 546 # does not define 'struct lifnum', but does use SIOCGLIFNUM - they use an
 547 # int value.
 548 #
 549 AC_MSG_CHECKING([for struct lifnum])
 550 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h>
 551   #include <sys/socket.h>
 552   #include <net/if.h>
 553 ]], [[ struct lifnum a;
 554 ]])],[AC_MSG_RESULT(yes)
 555          AC_DEFINE([ISC_PLATFORM_HAVELIFNUM], [1],
 556                    [Define to 1 if the system has 'struct lifnum'.])],[AC_MSG_RESULT(no)])
 557
 558 AC_MSG_CHECKING([for struct if_laddrconf])
 559 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h>
 560   #include <net/if6.h>
 561 ]], [[ struct if_laddrconf a;
 562 ]])],[AC_MSG_RESULT(yes)
 563          AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRCONF], [1],
 564                    [Define to 1 if the system has 'struct if_laddrconf'.])],[AC_MSG_RESULT(no)])
 565
 566 AC_MSG_CHECKING([for struct if_laddrreq])
 567 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 568  #include <net/if6.h>
 569 ]], [[ struct if_laddrreq a;
 570 ]])],[AC_MSG_RESULT(yes)
 571          AC_DEFINE([ISC_PLATFORM_HAVEIF_LADDRREQ], [1],
 572                    [Define to 1 if the system has 'struct if_laddrreq'.])],[AC_MSG_RESULT(no)])
 573
 574 #
 575 # check for GCC noreturn attribute
 576 #
 577 AC_MSG_CHECKING(for GCC noreturn attribute)
 578 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[void foo() __attribute__((noreturn));]])],[AC_MSG_RESULT(yes)
 579          AC_DEFINE([ISC_DHCP_NORETURN], [__attribute__((noreturn))],
 580                    [Define to the string for a noreturn attribute.])],[AC_MSG_RESULT(no)
 581          AC_DEFINE([ISC_DHCP_NORETURN], [],
 582                    [Define to the string for a noreturn attribute.])])
 583
 584 # Look for optional headers.
 585 AC_CHECK_HEADERS(sys/socket.h net/if_dl.h net/if6.h regex.h)
 586
 587 # Solaris needs some libraries for functions
 588 AC_SEARCH_LIBS(socket, [socket])
 589 AC_SEARCH_LIBS(inet_ntoa, [nsl])
 590
 591 AC_SEARCH_LIBS(inet_aton, [socket nsl], ,
 592         AC_DEFINE([NEED_INET_ATON], [1],
 593                   [Define to 1 if the inet_aton() function is missing.]))
 594
 595 # Check for a standalone regex library.
 596 AC_SEARCH_LIBS(regcomp, [regex])
 597
 598 AC_CHECK_FUNCS(strlcat)
 599
 600 # For HP/UX we need -lipv6 for if_nametoindex, perhaps others.
 601 AC_SEARCH_LIBS(if_nametoindex, [ipv6])
 602
 603 # check for /dev/random (declares HAVE_DEV_RANDOM)
 604 AC_MSG_CHECKING(for random device)
 605 AC_ARG_WITH(randomdev,
 606         AS_HELP_STRING([--with-randomdev=PATH],[Path for random device
 607                        (default is /dev/random)]),
 608         use_randomdev="$withval", use_randomdev="unspec")
 609 if test "$use_randomdev" = "unspec"; then
 610         if test "$cross_compiling" = "yes"; then
 611                 AC_MSG_RESULT(unspecified)
 612                 AC_MSG_ERROR([ need --with-randomdev=PATH or --with-randomdev=no])
 613         fi
 614         use_randomdev="/dev/random"
 615 elif test "$use_randomdev" = "yes"; then
 616         use_randomdev="/dev/random"
 617 fi
 618 if test "$use_randomdev" = "no"; then
 619         AC_MSG_RESULT(disabled)
 620         BINDCONFIG="$BINDCONFIG --with-randomdev=no"
 621 else
 622         if test "$cross_compiling" = "yes"; then
 623                 AC_MSG_RESULT($use_randomdev (unchecked))
 624         else
 625                 AC_MSG_RESULT($use_randomdev)
 626                 AC_CHECK_FILE($use_randomdev,
 627                     AC_DEFINE([HAVE_DEV_RANDOM], [1],
 628                         [Define to 1 if you have the /dev/random or other configured file.]),
 629                     AC_MSG_ERROR(cannot find $use_randomdev))
 630         fi
 631         BINDCONFIG="$BINDCONFIG --with-randomdev=$use_randomdev"
 632 fi
 633
 634 BINDIOMUX="--disable-kqueue --disable-epoll --disable-devpoll"
 635 # check kqueue/epoll/devpoll alternative to select
 636 AC_ARG_ENABLE(kqueue,
 637         AS_HELP_STRING([--enable-kqueue],[use BSD kqueue (default is no)]),
 638         want_kqueue="$enableval", want_kqueue="no")
 639 if test "$want_kqueue" = "yes"; then
 640         BINDIOMUX="--enable-kqueue"
 641 fi
 642 AC_ARG_ENABLE(epoll,
 643         AS_HELP_STRING([--enable-epoll],[use Linux epoll (default is no)]),
 644         want_epoll="$enableval", want_epoll="no")
 645 if test "$want_epoll" = "yes"; then
 646         BINDIOMUX="--enable-epoll"
 647 fi
 648 AC_ARG_ENABLE(devpoll,
 649         AS_HELP_STRING([--enable-devpoll],[use /dev/poll (default is no)]),
 650         want_devpoll="$enableval", want_devpoll="no")
 651 if test "$want_devpoll" = "yes"; then
 652         BINDIOMUX="--enable-devpoll"
 653 fi
 654 AC_SUBST(BINDIOMUX)
 655
 656 # general extra bind configure arguments
 657 AC_ARG_WITH(bind-extra-config,
 658         AS_HELP_STRING([--with-bind-extra-config],[configure bind librairies
 659                        with some extra options (default is none)]),
 660         use_xbindconfig="$withval", use_xbindconfig="")
 661 case "$use_xbindconfig" in
 662 yes|no|'')
 663         ;;
 664 *)
 665         BINDCONFIG="$BINDCONFIG $use_xbindconfig"
 666         ;;
 667 esac
 668
 669 # see if there is a "sa_len" field in our interface information structure
 670 AC_CHECK_MEMBER(struct sockaddr.sa_len,
 671         AC_DEFINE([HAVE_SA_LEN], [],
 672                   [Define to 1 if the sockaddr structure has a length field.]),
 673         ,
 674         [#include <sys/socket.h>])
 675
 676 # figure out pointer size
 677 SAVE_CFLAGS="$CFLAGS"
 678 CFLAGS="$CFLAGS -I$srcdir"
 679 AC_CHECK_SIZEOF(struct iaddr *, , [
 680 #include "includes/inet.h"
 681 #include <stdio.h>
 682 ])
 683 CFLAGS="$SAVE_CFLAGS"
 684
 685 # Solaris does not have the msg_control or msg_controlen members
 686 # in the msghdr structure unless you define:
 687 #
 688 #   _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, and __EXTENSIONS__
 689 #
 690 # See the "standards" man page for details.
 691 #
 692 # We check for the msg_control member, and if it is not found, we check
 693 # again with the appropriate defines added to the CFLAGS. (In order to
 694 # do this we have to remove the check from the cache, which is what the
 695 # "unset" is for.)
 696 AC_CHECK_MEMBER(struct msghdr.msg_control,,
 697         [CFLAGS="$CFLAGS -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 698          CFLAGS="$CFLAGS -D__EXTENSIONS__"
 699          unset ac_cv_member_struct_msghdr_msg_control
 700          AC_CHECK_MEMBER(struct msghdr.msg_control,,
 701                 [AC_MSG_ERROR([Missing msg_control member in
 702                                msg_control structure.])],
 703                 [
 704 #include <sys/types.h>
 705 #include <sys/socket.h>
 706                 ])
 707         ],
 708         [
 709 #include <sys/types.h>
 710 #include <sys/socket.h>
 711         ])
 712
 713 AC_CHECK_MEMBER(struct tpacket_auxdata.tp_vlan_tci,
 714     [AC_DEFINE([VLAN_TCI_PRESENT], [1], [tpacket_auxdata.tp_vlan_tci present])]
 715     ,, [#include <linux/if_packet.h>])
 716
 717 BINDDIR=
 718 BINDSRCDIR=
 719 AC_ARG_WITH(libbind,
 720         AS_HELP_STRING([--with-libbind=PATH],[bind includes and libraries are in PATH
 721                         (default is ./bind)]),
 722         use_libbind="$withval", use_libbind="no")
 723 case "$use_libbind" in
 724 yes)
 725         BINDDIR="\${top_srcdir}/bind"
 726         BINDSRCDIR="\${top_srcdir}/bind"
 727         ;;
 728 no)
 729         BINDDIR="\${top_srcdir}/bind"
 730         BINDSRCDIR="\${top_srcdir}/bind"
 731         ;;
 732 *)
 733         BINDDIR="$use_libbind"
 734         if test ! -d "$srcdir/bind"; then
 735                 # no bind directory, create it with a fake Makefile.in
 736                 # (AC_CONFIG_FILES and top Makefile refer to it so
 737                 # it must exits)
 738                 mkdir $srcdir/bind
 739                 cat > $srcdir/bind/Makefile.in << EOF
 740 # placeholder
 741 all check clean distclean distdir install uninstall:
 742
 743 EOF
 744         fi
 745         ;;
 746 esac
 747 AC_SUBST(BINDDIR)
 748 AC_SUBST(BINDSRCDIR)
 749
 750 # OpenLDAP support.
 751 AC_ARG_WITH(ldap,
 752     AS_HELP_STRING([--with-ldap],[enable OpenLDAP support in dhcpd (default is no)]),
 753     [ldap=$withval],
 754     [ldap=no])
 755
 756 # OpenLDAP with SSL support.
 757 AC_ARG_WITH(ldapcrypto,
 758     AS_HELP_STRING([--with-ldapcrypto],[enable OpenLDAP crypto support in dhcpd (default is no)]),
 759     [ldapcrypto=$withval],
 760     [ldapcrypto=no])
 761
 762 # Gssapi to allow LDAP to authenticate with a keytab
 763 AC_ARG_WITH(ldap-gssapi,
 764     AC_HELP_STRING([--with-ldap-gssapi],
 765                    [enable krb5/gssapi authentication for OpenLDAP in dhcpd (default is no)]),
 766     [ldap_gssapi=$withval],
 767     [ldap_gssapi=no])
 768
 769
 770 # LDAP CASA auth support.
 771 AC_ARG_WITH(ldapcasa,
 772     AC_HELP_STRING([--with-ldapcasa],
 773                    [enable LDAP CASA auth support in dhcpd (default is no)]),
 774     [ldapcasa=$withval],
 775     [ldapcasa=no])
 776
 777 # OpenLDAP support is disabled by default, if enabled then SSL support is an
 778 # extra optional that is also disabled by default.  Enabling LDAP SSL support
 779 # implies enabling LDAP support. Similarly, KRB5 support implies LDAP support,
 780 # but doesn't include SSL. The two are not dependant.
 781 if test x$ldap = xyes || test x$ldapcrypto = xyes || test x$ldap_gssapi = xyes; then
 782     saved_LIBS="$LIBS"
 783     LIBS=""
 784     AC_SEARCH_LIBS(ldap_initialize, [ldap], ,
 785                    AC_MSG_FAILURE([*** Cannot find ldap_initialize with -lldap - do you need to install an OpenLDAP2 Devel package?]))
 786     AC_SEARCH_LIBS(ber_pvt_opt_on, [lber], ,
 787                    AC_MSG_FAILURE([*** Cannot find ber_pvt_opt_on with -llber - do you need to install an OpenLDAP2 Devel package?]))
 788     if test x$ldap_gssapi = xyes ; then
 789     AC_SEARCH_LIBS(krb5_init_context, [krb5], ,
 790           AC_MSG_FAILURE([*** Cannot find krb5_init_context with -lkrb5 - do you need to install a Kerberos Devel package?]))
 791     fi
 792
 793     # Create LDAP_LIBS which we specify them explicitly rather than lumping them in with LIBS
 794     AC_SUBST(LDAP_LIBS, [$LIBS])
 795     LIBS="$saved_LIBS"
 796
 797
 798     AC_CHECK_HEADERS([ldap.h])
 799     AC_CHECK_FUNCS([inet_pton inet_ntop])
 800
 801
 802     LDAP_CFLAGS="-DLDAP_CONFIGURATION"
 803
 804     if test x$ldapcasa = xyes ; then
 805     AC_CHECK_HEADERS([micasa_mgmd.h],[
 806            LDAP_CFLAGS="$LDAP_CFLAGS -DLDAP_CASA_AUTH"
 807     ], AC_MSG_FAILURE([*** Cannot find micasa_mgmd.h for ldap casa auth support]))
 808     fi
 809
 810     if test x$ldapcrypto = xyes ; then
 811     LDAP_CFLAGS="$LDAP_CFLAGS -DLDAP_USE_SSL"
 812     fi
 813
 814     if test x$ldap_gssapi = xyes; then
 815     LDAP_CFLAGS="$LDAP_CFLAGS -DLDAP_USE_GSSAPI"
 816     fi
 817
 818     AC_SUBST(LDAP_CFLAGS, [$LDAP_CFLAGS])
 819 fi
 820
 821 # Append selected warning levels to CFLAGS before substitution (but after
 822 # AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[]) & etc).
 823 CFLAGS="$CFLAGS $STD_CWARNINGS"
 824
 825 # Try to add the bind and dhcp include directories
 826 CFLAGS="$CFLAGS -I\$(top_srcdir)/includes -I$BINDDIR/include"
 827
 828 case "$host" in
 829 *-darwin*)
 830     CFLAGS="$CFLAGS -D__APPLE_USE_RFC_3542";;
 831 *-solaris*)
 832     # As of Solaris 11, ethernet dev files are in /dev/net
 833     AC_CHECK_FILE(/dev/net,
 834                     [AC_DEFINE([USE_DEV_NET], [1],
 835                         [Define to 1 if ethernet devices are in /dev/net])])
 836     ;;
 837 esac
 838
 839 AC_C_FLEXIBLE_ARRAY_MEMBER
 840
 841 AC_CONFIG_FILES([
 842   Makefile
 843   $srcdir/bind/Makefile
 844   client/Makefile
 845   client/tests/Makefile
 846   common/Makefile
 847   common/tests/Makefile
 848   dhcpctl/Makefile
 849   includes/Makefile
 850   omapip/Makefile
 851   relay/Makefile
 852   server/Makefile
 853   tests/Makefile
 854   tests/unittest.sh
 855   server/tests/Makefile
 856   doc/devel/doxyfile
 857 ])
 858 AC_OUTPUT
 859
 860 if test "$enable_dhcpv4o6" = "yes"; then
 861         DHCP_VERSIONS="DHCPv4, DHCPv6 and DHCPv4-over-DHCPv6"
 862 elif test "$enable_dhcpv6" != "no"; then
 863         DHCP_VERSIONS="DHCPv4 and DHCPv6"
 864 else
 865         DHCP_VERSIONS="DHCPv4"
 866 fi
 867
 868 (cd $srcdir
 869     sh util/bindvar.sh
 870     if test $? -ne 0; then
 871         AC_MSG_ERROR([*** util/bindvar.sh failed])
 872     fi
 873 )
 874 if test $? -ne 0; then
 875     exit $?
 876 fi
 877
 878 cat > config.report << END
 879
 880      ISC DHCP source configure results:
 881     -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 882
 883 Package:
 884   Name:          $PACKAGE_NAME
 885   Version:       $PACKAGE_VERSION
 886
 887 C Compiler:      $CC
 888
 889 Flags:
 890   DEFS:          $DEFS
 891   CFLAGS:        $CFLAGS
 892
 893 DHCP versions:   $DHCP_VERSIONS
 894
 895 Features:
 896   debug:         $enable_debug
 897   failover:      $enable_failover
 898   execute:       $enable_execute
 899   binary-leases: $enable_binary_leases
 900   dhcpv6:        $enable_dhcpv6
 901   delayed-ack:   $enable_delayed_ack
 902
 903 Developer:
 904   ATF unittests : $atf_path
 905
 906 END
 907 # TODO: Add Perl system tests
 908
 909 if test "$atf_path" != "no"
 910 then
 911 echo "ATF_CFLAGS  : $ATF_CFLAGS" >> config.report
 912 echo "ATF_LDFLAGS : $ATF_LDFLAGS" >> config.report
 913 echo "ATF_BIN : $ATF_BIN" >> config.report
 914 echo
 915 fi
 916
 917 cat config.report
 918
 919 echo
 920 echo Now you can type "make" to build ISC DHCP
 921 echo