configure.ac

   1 dnl Boilerplate
   2 AC_INIT([ipset], [6.34], [kadlec@blackhole.kfki.hu])
   3 AC_CONFIG_AUX_DIR([build-aux])
   4 AC_CANONICAL_HOST
   5 AC_CONFIG_MACRO_DIR([m4])
   6 AC_CONFIG_HEADER([config.h])
   7 AM_INIT_AUTOMAKE([foreign subdir-objects tar-pax])
   8 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
   9
  10 AC_ENABLE_STATIC
  11 LT_INIT([dlopen])
  12 LT_CONFIG_LTDL_DIR([libltdl])
  13 LTDL_INIT([nonrecursive])
  14
  15 PKG_PROG_PKG_CONFIG
  16
  17 dnl Shortcut: Linux supported alone
  18 case "$host" in
  19 *-*-linux* | *-*-uclinux*) ;;
  20 *) AC_MSG_ERROR([Linux systems supported exclusively!]);;
  21 esac
  22
  23 dnl Optionnally disable building the kernel module
  24 AC_ARG_WITH([kmod],
  25             AS_HELP_STRING([--with-kmod=yes/no],
  26                            [Build the kernel module (default: yes)]),
  27             [BUILDKMOD="$withval";],
  28             [BUILDKMOD="yes";])
  29 AM_CONDITIONAL(WITH_KMOD, test "$BUILDKMOD" == "yes")
  30
  31 dnl Additional arguments
  32 dnl Kernel build directory or source tree
  33 AC_ARG_WITH([kbuild],
  34             AS_HELP_STRING([--with-kbuild=PATH],
  35                            [Path to kernel build directory]),
  36             [KBUILDDIR="$withval";])
  37 AC_ARG_WITH([ksource],
  38             AS_HELP_STRING([--with-ksource=PATH],
  39                            [Path to kernel source directory, if not the same as the kernel build directory]),
  40             [KSOURCEDIR="$withval";])
  41 AM_CONDITIONAL(WITH_KBUILDDIR, test "$KBUILDDIR" != "")
  42 AC_SUBST(KBUILDDIR)
  43
  44 dnl ipset bash compspec - bash shell programmable completion
  45 AC_ARG_ENABLE([bashcompl],
  46         AS_HELP_STRING([--enable-bashcompl],
  47         [Install bash completion for ipset]),
  48         [enable_bashcompl="$enableval"], [enable_bashcompl="no"])
  49
  50 # backward compatibility with older pkg-config
  51 m4_ifndef([PKG_CHECK_VAR], [
  52 # PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
  53 # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
  54 # -------------------------------------------
  55 # Retrieves the value of the pkg-config variable for the given module.
  56 AC_DEFUN([PKG_CHECK_VAR],
  57 [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
  58 AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
  59
  60 _PKG_CONFIG([$1], [variable="][$3]["], [$2])
  61 AS_VAR_COPY([$1], [pkg_cv_][$1])
  62
  63 AS_VAR_IF([$1], [""], [$5], [$4])dnl
  64 ])# PKG_CHECK_VAR
  65 ])
  66
  67 if test "x$enable_bashcompl" = "xyes"; then
  68         PKG_CHECK_VAR(bashcompdir, [bash-completion], [completionsdir], , bashcompdir="${sysconfdir}/bash_completion.d")
  69         AC_SUBST(bashcompdir)
  70 fi
  71
  72 if test "$BUILDKMOD" == "yes"
  73 then
  74 dnl Sigh: check kernel version dependencies
  75 if test "$KBUILDDIR" != ""
  76 then
  77         kbuilddir="$KBUILDDIR"
  78 else
  79         kbuilddir="/lib/modules/`uname -r`/build"
  80 fi
  81
  82 if test -n "$KSOURCEDIR"; then
  83         ksourcedir="$KSOURCEDIR"
  84 elif test -e "$kbuilddir/include/linux/netfilter/nfnetlink.h"; then
  85         ksourcedir="$kbuilddir"
  86 else
  87         ksourcedir="/lib/modules/$(uname -r)/source"
  88 fi
  89 if test ! -e "$ksourcedir/include/linux/netfilter/nfnetlink.h"
  90 then
  91         AC_MSG_ERROR([Invalid kernel source directory $ksourcedir])
  92 fi
  93
  94 if test ! -e "$kbuilddir/.config"
  95 then
  96         AC_MSG_ERROR([The kernel build directory $kbuilddir is not configured])
  97 fi
  98
  99 AC_PROG_GREP
 100 AC_PROG_AWK
 101
 102 if ! $GREP -q "NFNL_SUBSYS_IPSET" "$ksourcedir/include/linux/netfilter/nfnetlink.h" && \
 103    ! $GREP -q "NFNL_SUBSYS_IPSET" "$ksourcedir/include/uapi/linux/netfilter/nfnetlink.h";
 104 then
 105         AC_MSG_ERROR([The kernel source directory $ksourcedir is not patched with netlink.patch to support ipset])
 106 fi
 107 fi
 108
 109 dnl Maximal number of sets supported by the kernel, default 256
 110 AC_ARG_WITH([maxsets],
 111             AS_HELP_STRING([--with-maxsets=256],
 112                            [Maximal numer of sets supported by the kernel]),
 113             [MAXSETS="$withval";])
 114 AM_CONDITIONAL(WITH_MAXSETS, test "$MAXSETS" != "")
 115 AC_SUBST(MAXSETS)
 116
 117 dnl Verbose compiling
 118 AC_ARG_ENABLE([verbose],
 119               AS_HELP_STRING([--enable-verbose],
 120                              [Enable verbose mode at compiling/linking.]),
 121               [case "${enableval}" in
 122                yes)     enable_verbose=yes ;;
 123                no)      enable_verbose=no ;;
 124                *) AC_MSG_ERROR([bad value ${enableval} for --enable-verbose]) ;;
 125                esac], [enable_verbose=no])
 126
 127 AC_ARG_ENABLE([debug],
 128         AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
 129         [], [enable_debug=no])
 130 AS_IF([test "x$enable_debug" = "xyes"], [
 131         AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
 132 ])
 133 AM_CONDITIONAL([ENABLE_DEBUG], [test "x$enable_debug" = xyes])
 134
 135 dnl Enable type modules
 136 AC_ARG_ENABLE([settype_modules],
 137                   AS_HELP_STRING([--enable-settype-modules],
 138                   [Enable set type modules support]),
 139                   [enable_settype_modules="$enableval"],
 140                   [enable_settype_modules="no"])
 141
 142 AC_ARG_WITH([settype_modules_list],
 143                 AS_HELP_STRING([--with-settype-modules-list="mod1 mod2 ..."],
 144                                [List of dynamic loading modules, ignored if settype-modules is disabled. It could be "all" to build all available settypes as modules]),
 145                                [SETTYPE_MODLIST_RAW="$withval";])
 146
 147 SETTYPE_MODLIST=
 148 if test "x$enable_settype_modules" = "xyes"; then
 149         for mod in $SETTYPE_MODLIST_RAW; do
 150                 if echo $mod | grep "all"; then
 151                         m="${mod}"
 152                 else
 153                         if echo $mod | grep "ipset_"; then
 154                                 m="${mod}.c"
 155                         else
 156                                 m="ipset_${mod}.c"
 157                         fi
 158                 fi
 159
 160                 SETTYPE_MODLIST="${SETTYPE_MODLIST} $m"
 161         done
 162
 163         AC_MSG_RESULT([checking for configuration with dynamic loading modules... $SETTYPE_MODLIST_RAW])
 164 fi
 165 AC_SUBST(SETTYPE_MODLIST)
 166
 167 AM_CONDITIONAL([ENABLE_SETTYPE_MODULES], [test "x$enable_settype_modules" = xyes])
 168
 169 AM_CONDITIONAL([ENABLE_STATIC], [test "x$enable_static" = xyes])
 170 AM_CONDITIONAL([ENABLE_SHARED], [test "x$enable_shared" = xyes])
 171
 172 dnl Checks for programs
 173 : ${CFLAGS=""}
 174
 175 AC_PROG_CC
 176 AM_PROG_CC_C_O
 177 AC_PROG_LIBTOOL
 178 AC_PROG_INSTALL
 179 AC_PROG_LN_S
 180
 181 dnl Checks for libraries
 182 PKG_CHECK_MODULES([libmnl], [libmnl >= 1])
 183
 184 dnl Checks for header files
 185
 186 dnl Checks for declarations
 187 AC_CHECK_DECLS([NLA_F_NESTED, NLA_F_NET_BYTEORDER, NLA_TYPE_MASK],,
 188                 [AC_MSG_ERROR([System kernel header files are older than 2.6.24, use CFLAGS for non-default location])],
 189                 [#include <sys/socket.h>
 190 #include <linux/netlink.h>])
 191
 192 dnl Checks for typedefs, structures
 193 AC_CHECK_TYPES([union nf_inet_addr],,,[#include <linux/types.h>
 194 #include <netinet/in.h>
 195 #include <linux/netfilter.h>])
 196
 197 dnl Checks for functions
 198 AC_CHECK_FUNCS(gethostbyname2)
 199
 200 if test "$BUILDKMOD" == "yes"
 201 then
 202 dnl Check kernel incompatibilities... Ugly like hell
 203 AC_MSG_CHECKING([kernel source for struct xt_action_param])
 204 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 205    $GREP -q 'struct xt_action_param' $ksourcedir/include/linux/netfilter/x_tables.h; then
 206         AC_MSG_RESULT(yes)
 207         AC_SUBST(HAVE_STRUCT_XT_ACTION_PARAM, define)
 208 else
 209         AC_MSG_RESULT(no)
 210         AC_SUBST(HAVE_STRUCT_XT_ACTION_PARAM, undef)
 211 fi
 212
 213 AC_MSG_CHECKING([kernel source for vzalloc])
 214 if test -f $ksourcedir/include/linux/vmalloc.h && \
 215    $GREP -q 'vzalloc' $ksourcedir/include/linux/vmalloc.h; then
 216         AC_MSG_RESULT(yes)
 217         AC_SUBST(HAVE_VZALLOC, define)
 218 else
 219         AC_MSG_RESULT(no)
 220         AC_SUBST(HAVE_VZALLOC, undef)
 221 fi
 222
 223 AC_MSG_CHECKING([kernel source for ether_addr_equal])
 224 if test -f $ksourcedir/include/linux/etherdevice.h && \
 225    $GREP -q 'ether_addr_equal' $ksourcedir/include/linux/etherdevice.h; then
 226         AC_MSG_RESULT(yes)
 227         AC_SUBST(HAVE_ETHER_ADDR_EQUAL, define)
 228 else
 229         AC_MSG_RESULT(no)
 230         AC_SUBST(HAVE_ETHER_ADDR_EQUAL, undef)
 231 fi
 232
 233 AC_MSG_CHECKING([kernel source for nla_put_be16])
 234 if test -f $ksourcedir/include/net/netlink.h && \
 235    $GREP -q 'nla_put_be16' $ksourcedir/include/net/netlink.h; then
 236         AC_MSG_RESULT(yes)
 237         AC_SUBST(HAVE_NLA_PUT_BE16, define)
 238 else
 239         AC_MSG_RESULT(no)
 240         AC_SUBST(HAVE_NLA_PUT_BE16, undef)
 241 fi
 242
 243 AC_MSG_CHECKING([kernel source for nla_put_be64])
 244 if test -f $ksourcedir/include/net/netlink.h && \
 245    $GREP -q 'nla_put_be64' $ksourcedir/include/net/netlink.h; then
 246         AC_MSG_RESULT(yes)
 247         AC_SUBST(HAVE_NLA_PUT_BE64, define)
 248 else
 249         AC_MSG_RESULT(no)
 250         AC_SUBST(HAVE_NLA_PUT_BE64, undef)
 251 fi
 252
 253 AC_MSG_CHECKING([kernel source for nla_put_64bit])
 254 if test -f $ksourcedir/include/net/netlink.h && \
 255    $GREP -q 'nla_put_64bit' $ksourcedir/include/net/netlink.h; then
 256         AC_MSG_RESULT(yes)
 257         AC_SUBST(HAVE_NLA_PUT_64BIT, define)
 258 else
 259         AC_MSG_RESULT(no)
 260         AC_SUBST(HAVE_NLA_PUT_64BIT, undef)
 261 fi
 262
 263 AC_MSG_CHECKING([kernel source for portid in nl_info])
 264 if test -f $ksourcedir/include/linux/netlink.h && \
 265    $AWK '/^struct netlink_skb_parms/ {for(i=1; i<=5; i++) {getline; print}}' $ksourcedir/include/linux/netlink.h | $GREP -q 'portid;'; then
 266         AC_MSG_RESULT(yes)
 267         AC_SUBST(HAVE_NL_INFO_PORTID, define)
 268 else
 269         AC_MSG_RESULT(no)
 270         AC_SUBST(HAVE_NL_INFO_PORTID, undef)
 271 fi
 272
 273 AC_MSG_CHECKING([kernel source for netlink_dump_start args])
 274 if test -f $ksourcedir/include/linux/netlink.h && \
 275    $AWK '/netlink_dump_start/ {for(i=1; i<=4; i++) {getline; print}}' $ksourcedir/include/linux/netlink.h | $GREP -q 'done.*;'; then
 276         AC_MSG_RESULT(5 args)
 277         AC_SUBST(HAVE_NETLINK_DUMP_START_ARGS, 5)
 278 elif test -f $ksourcedir/include/linux/netlink.h && \
 279    $AWK '/netlink_dump_start/ {for(i=1; i<=4; i++) {getline; print}}' $ksourcedir/include/linux/netlink.h | $GREP -q 'min_dump_alloc.*;'; then
 280         AC_MSG_RESULT(6 args)
 281         AC_SUBST(HAVE_NETLINK_DUMP_START_ARGS, 6)
 282 else
 283         AC_MSG_RESULT(4 args)
 284         AC_SUBST(HAVE_NETLINK_DUMP_START_ARGS, 4)
 285 fi
 286
 287 AC_MSG_CHECKING([kernel source for ns_capable])
 288 if test -f $ksourcedir/include/linux/capability.h && \
 289    $GREP -q 'ns_capable' $ksourcedir/include/linux/capability.h; then
 290         AC_MSG_RESULT(yes)
 291         AC_SUBST(HAVE_NS_CAPABLE, define)
 292 else
 293         AC_MSG_RESULT(no)
 294         AC_SUBST(HAVE_NS_CAPABLE, undef)
 295 fi
 296
 297 AC_MSG_CHECKING([kernel source for nfnl_lock per subsys])
 298 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 299    $GREP -q 'nfnl_lock.* subsys_id' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
 300         AC_MSG_RESULT(yes)
 301         AC_SUBST(HAVE_NFNL_LOCK_SUBSYS, define)
 302 else
 303         AC_MSG_RESULT(no)
 304         AC_SUBST(HAVE_NFNL_LOCK_SUBSYS, undef)
 305 fi
 306
 307 AC_MSG_CHECKING([kernel source for export.h])
 308 if test -f $ksourcedir/include/linux/export.h; then
 309         AC_MSG_RESULT(yes)
 310         AC_SUBST(HAVE_EXPORT_H, define)
 311 else
 312         AC_MSG_RESULT(no)
 313         AC_SUBST(HAVE_EXPORT_H, undef)
 314 fi
 315
 316 AC_MSG_CHECKING([kernel source for ipv6_skip_exthdr args])
 317 if test -f $ksourcedir/include/net/ipv6.h && \
 318    $AWK '/ipv6_skip_exthdr/ {getline; print}' $ksourcedir/include/net/ipv6.h | $GREP -q 'frag_offp'; then
 319         AC_MSG_RESULT(4 args)
 320         AC_SUBST(HAVE_IPV6_SKIP_EXTHDR_ARGS, 4)
 321 else
 322         AC_MSG_RESULT(3 args)
 323         AC_SUBST(HAVE_IPV6_SKIP_EXTHDR_ARGS, 3)
 324 fi
 325
 326 AC_MSG_CHECKING([kernel source for bool checkentry function prototype])
 327 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 328    $GREP -q 'bool .\*checkentry.' $ksourcedir/include/linux/netfilter/x_tables.h; then
 329         AC_MSG_RESULT(yes)
 330         AC_SUBST(HAVE_CHECKENTRY_BOOL, define)
 331 else
 332         AC_MSG_RESULT(no)
 333         AC_SUBST(HAVE_CHECKENTRY_BOOL, undef)
 334 fi
 335
 336 AC_MSG_CHECKING([kernel source for old struct xt_target_param])
 337 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 338    $GREP -q '^struct xt_target_param ' $ksourcedir/include/linux/netfilter/x_tables.h; then
 339         AC_MSG_RESULT(yes)
 340         AC_SUBST(HAVE_XT_TARGET_PARAM, define)
 341 else
 342         AC_MSG_RESULT(no)
 343         AC_SUBST(HAVE_XT_TARGET_PARAM, undef)
 344 fi
 345
 346 AC_MSG_CHECKING([kernel source for id in struct pernet_operations])
 347 if test -f $ksourcedir/include/net/net_namespace.h && \
 348    $AWK '/struct pernet_operations/ {for(i=1; i<=6; i++) {getline; print}}' $ksourcedir/include/net/net_namespace.h | $GREP -q 'int \*id;'; then
 349         AC_MSG_RESULT(yes)
 350         AC_SUBST(HAVE_NET_OPS_ID, define)
 351 else
 352         AC_MSG_RESULT(no)
 353         AC_SUBST(HAVE_NET_OPS_ID, undef)
 354 fi
 355
 356 AC_MSG_CHECKING([kernel source for user_ns in struct net])
 357 if test -f $ksourcedir/include/net/net_namespace.h && \
 358    $AWK '/^struct net \{/ {for(i=1; i<=20; i++) {getline; print}}' $ksourcedir/include/net/net_namespace.h | $GREP -q 'user_ns'; then
 359         AC_MSG_RESULT(yes)
 360         AC_SUBST(HAVE_USER_NS_IN_STRUCT_NET, define)
 361 else
 362         AC_MSG_RESULT(no)
 363         AC_SUBST(HAVE_USER_NS_IN_STRUCT_NET, undef)
 364 fi
 365
 366 AC_MSG_CHECKING([kernel source for rbtree_postorder_for_each_entry_safe])
 367 if test -f $ksourcedir/include/linux/rbtree.h && \
 368    $GREP -q 'rbtree_postorder_for_each_entry_safe' $ksourcedir/include/linux/rbtree.h; then
 369         AC_MSG_RESULT(yes)
 370         AC_SUBST(HAVE_RBTREE_POSTORDER_FOR_EACH_ENTRY_SAFE, define)
 371 else
 372         AC_MSG_RESULT(no)
 373         AC_SUBST(HAVE_RBTREE_POSTORDER_FOR_EACH_ENTRY_SAFE, undef)
 374 fi
 375
 376 AC_MSG_CHECKING([kernel source for kvfree])
 377 if test -f $ksourcedir/include/linux/mm.h && \
 378    $GREP -q 'kvfree' $ksourcedir/include/linux/mm.h; then
 379         AC_MSG_RESULT(yes)
 380         AC_SUBST(HAVE_KVFREE, define)
 381 else
 382         AC_MSG_RESULT(no)
 383         AC_SUBST(HAVE_KVFREE, undef)
 384 fi
 385
 386 AC_MSG_CHECKING([kernel source for struct net in struct xt_mtchk_param])
 387 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 388    $AWK '/^struct xt_mtchk_param / {for(i=1; i<=5; i++) {getline; print}}' $ksourcedir/include/linux/netfilter/x_tables.h | \
 389    $GREP -q 'struct net '; then
 390         AC_MSG_RESULT(yes)
 391         AC_SUBST(HAVE_XT_MTCHK_PARAM_STRUCT_NET, define)
 392 else
 393         AC_MSG_RESULT(no)
 394         AC_SUBST(HAVE_XT_MTCHK_PARAM_STRUCT_NET, undef)
 395 fi
 396
 397 AC_MSG_CHECKING([kernel source for struct net in the change function of tcf_ematch_ops])
 398 if test -f $ksourcedir/include/net/pkt_cls.h && \
 399    $AWK '/^struct tcf_ematch_ops / {for(i=1; i<=5; i++) {getline; print}}' $ksourcedir/include/net/pkt_cls.h | \
 400    $GREP -q '\*change..struct net \*net'; then
 401         AC_MSG_RESULT(yes)
 402         AC_SUBST(HAVE_TCF_EMATCH_OPS_CHANGE_ARG_NET, define)
 403 else
 404         AC_MSG_RESULT(no)
 405         AC_SUBST(HAVE_TCF_EMATCH_OPS_CHANGE_ARG_NET, undef)
 406 fi
 407
 408 AC_MSG_CHECKING([kernel source for struct net in struct tcf_ematch])
 409 if test -f $ksourcedir/include/net/pkt_cls.h && \
 410    $AWK '/^struct tcf_ematch / {for(i=1; i<=7; i++) {getline; print}}' $ksourcedir/include/net/pkt_cls.h | \
 411    $GREP -q 'struct net'; then
 412         AC_MSG_RESULT(yes)
 413         AC_SUBST(HAVE_TCF_EMATCH_STRUCT_NET, define)
 414 else
 415         AC_MSG_RESULT(no)
 416         AC_SUBST(HAVE_TCF_EMATCH_STRUCT_NET, undef)
 417 fi
 418
 419 AC_MSG_CHECKING([kernel source for list_last_entry])
 420 if test -f $ksourcedir/include/linux/list.h && \
 421    $GREP -q 'list_last_entry' $ksourcedir/include/linux/list.h; then
 422         AC_MSG_RESULT(yes)
 423         AC_SUBST(HAVE_LIST_LAST_ENTRY, define)
 424 else
 425         AC_MSG_RESULT(no)
 426         AC_SUBST(HAVE_LIST_LAST_ENTRY, undef)
 427 fi
 428
 429 AC_MSG_CHECKING([kernel source for list_next_entry])
 430 if test -f $ksourcedir/include/linux/list.h && \
 431    $GREP -q 'list_next_entry' $ksourcedir/include/linux/list.h; then
 432         AC_MSG_RESULT(yes)
 433         AC_SUBST(HAVE_LIST_NEXT_ENTRY, define)
 434 else
 435         AC_MSG_RESULT(no)
 436         AC_SUBST(HAVE_LIST_NEXT_ENTRY, undef)
 437 fi
 438
 439 AC_MSG_CHECKING([kernel source for ether_addr_copy])
 440 if test -f $ksourcedir/include/linux/etherdevice.h && \
 441    $GREP -q 'ether_addr_copy' $ksourcedir/include/linux/etherdevice.h; then
 442         AC_MSG_RESULT(yes)
 443         AC_SUBST(HAVE_ETHER_ADDR_COPY, define)
 444 else
 445         AC_MSG_RESULT(no)
 446         AC_SUBST(HAVE_ETHER_ADDR_COPY, undef)
 447 fi
 448
 449 AC_MSG_CHECKING([kernel source for nf_bridge_get_physindev])
 450 if test -f $ksourcedir/include/linux/netfilter_bridge.h && \
 451    $GREP -q 'nf_bridge_get_physindev' $ksourcedir/include/linux/netfilter_bridge.h; then
 452         AC_MSG_RESULT(yes)
 453         AC_SUBST(HAVE_NF_BRIDGE_GET_PHYSDEV, define)
 454 else
 455         AC_MSG_RESULT(no)
 456         AC_SUBST(HAVE_NF_BRIDGE_GET_PHYSDEV, undef)
 457 fi
 458
 459 AC_MSG_CHECKING([kernel source for nla_put_in_addr])
 460 if test -f $ksourcedir/include/net/netlink.h && \
 461    $GREP -q 'nla_put_in_add' $ksourcedir/include/net/netlink.h; then
 462         AC_MSG_RESULT(yes)
 463         AC_SUBST(HAVE_NLA_PUT_IN_ADDR, define)
 464 else
 465         AC_MSG_RESULT(no)
 466         AC_SUBST(HAVE_NLA_PUT_IN_ADDR, undef)
 467 fi
 468
 469 AC_MSG_CHECKING([kernel source for struct net in struct nfnl_callback])
 470 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 471    $AWK '/^struct nfnl_callback / {for(i=1; i<=3; i++) {getline; print}}' $ksourcedir/include/linux/netfilter/nfnetlink.h | \
 472    $GREP -q 'struct net'; then
 473         AC_MSG_RESULT(yes)
 474         AC_SUBST(HAVE_NET_IN_NFNL_CALLBACK_FN, define)
 475 else
 476         AC_MSG_RESULT(no)
 477         AC_SUBST(HAVE_NET_IN_NFNL_CALLBACK_FN, undef)
 478 fi
 479
 480 AC_MSG_CHECKING([kernel source for EXPORT_SYMBOL_GPL in module.h])
 481 if test -f $ksourcedir/include/linux/module.h && \
 482    $GREP -q 'EXPORT_SYMBOL_GPL' $ksourcedir/include/linux/module.h; then
 483         AC_MSG_RESULT(yes)
 484         AC_SUBST(HAVE_EXPORT_SYMBOL_GPL_IN_MODULE_H, define)
 485 else
 486         AC_MSG_RESULT(no)
 487         AC_SUBST(HAVE_EXPORT_SYMBOL_GPL_IN_MODULE_H, undef)
 488 fi
 489
 490 AC_MSG_CHECKING([kernel source for tc_skb_protocol in pkt_sched.h])
 491 if test -f $ksourcedir/include/net/pkt_sched.h && \
 492    $GREP -q 'tc_skb_protocol' $ksourcedir/include/net/pkt_sched.h; then
 493         AC_MSG_RESULT(yes)
 494         AC_SUBST(HAVE_TC_SKB_PROTOCOL, define)
 495 else
 496         AC_MSG_RESULT(no)
 497         AC_SUBST(HAVE_TC_SKB_PROTOCOL, undef)
 498 fi
 499
 500 AC_MSG_CHECKING([kernel source for struct net in struct xt_action_param])
 501 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 502    $AWK '/^struct xt_action_param / {for(i=1; i<=8; i++) {getline; print}}' $ksourcedir/include/linux/netfilter/x_tables.h | \
 503    $GREP -q 'struct net '; then
 504         AC_MSG_RESULT(yes)
 505         AC_SUBST(HAVE_NET_IN_XT_ACTION_PARAM, define)
 506 else
 507         AC_MSG_RESULT(no)
 508         AC_SUBST(HAVE_NET_IN_XT_ACTION_PARAM, undef)
 509 fi
 510
 511 AC_MSG_CHECKING([kernel source for struct nf_hook_state in struct xt_action_param])
 512 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 513    $AWK '/^struct xt_action_param / {for(i=1; i<=10; i++) {getline; print}}' $ksourcedir/include/linux/netfilter/x_tables.h | \
 514    $GREP -q 'struct nf_hook_state '; then
 515         AC_MSG_RESULT(yes)
 516         AC_SUBST(HAVE_STATE_IN_XT_ACTION_PARAM, define)
 517 else
 518         AC_MSG_RESULT(no)
 519         AC_SUBST(HAVE_STATE_IN_XT_ACTION_PARAM, undef)
 520 fi
 521
 522 AC_MSG_CHECKING([kernel source for xt_family() in x_tables.h])
 523 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 524    $GREP -q 'xt_family' $ksourcedir/include/linux/netfilter/x_tables.h; then
 525         AC_MSG_RESULT(yes)
 526         AC_SUBST(HAVE_XT_FAMILY, define)
 527 else
 528         AC_MSG_RESULT(no)
 529         AC_SUBST(HAVE_XT_FAMILY, undef)
 530 fi
 531
 532 AC_MSG_CHECKING([kernel source for xt_net() in x_tables.h])
 533 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 534    $GREP -q 'xt_net' $ksourcedir/include/linux/netfilter/x_tables.h; then
 535         AC_MSG_RESULT(yes)
 536         AC_SUBST(HAVE_XT_NET, define)
 537 else
 538         AC_MSG_RESULT(no)
 539         AC_SUBST(HAVE_XT_NET, undef)
 540 fi
 541
 542 AC_MSG_CHECKING([kernel source for nfnl_msg_type() in nfnetlink.h])
 543 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 544    $GREP -q 'nfnl_msg_type' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
 545         AC_MSG_RESULT(yes)
 546         AC_SUBST(HAVE_NFNL_MSG_TYPE, define)
 547 else
 548         AC_MSG_RESULT(no)
 549         AC_SUBST(HAVE_NFNL_MSG_TYPE, undef)
 550 fi
 551
 552 AC_MSG_CHECKING([kernel source for netlink extended ACK])
 553 if test -f $ksourcedir/include/linux/netlink.h && \
 554    $AWK '/^extern void netlink_ack/ {for(i=1; i<=2; i++) {getline; print}}' $ksourcedir/include/linux/netlink.h | $GREP -q 'const struct netlink_ext_ack'; then
 555         AC_MSG_RESULT(yes)
 556         AC_SUBST(HAVE_NETLINK_EXTENDED_ACK, define)
 557 else
 558         AC_MSG_RESULT(no)
 559         AC_SUBST(HAVE_NETLINK_EXTENDED_ACK, undef)
 560 fi
 561
 562 AC_MSG_CHECKING([kernel source for passing extended ACK struct to parsing functions])
 563 if test -f $ksourcedir/include/net/netlink.h && \
 564    $AWK '/^static inline int nla_parse_nested/ {for(i=1; i<=4; i++) {getline; print}}' $ksourcedir/include/net/netlink.h | $GREP -q 'struct netlink_ext_ack'; then
 565         AC_MSG_RESULT(yes)
 566         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_PARSERS, define)
 567 else
 568         AC_MSG_RESULT(no)
 569         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_PARSERS, undef)
 570 fi
 571
 572 AC_MSG_CHECKING([kernel source for passing extended ACK struct to callback functions])
 573 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 574    $AWK '/^struct nfnl_callback / {for(i=1; i<=5; i++) {getline; print}}' $ksourcedir/include/linux/netfilter/nfnetlink.h | $GREP -q 'struct netlink_ext_ack'; then
 575         AC_MSG_RESULT(yes)
 576         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_CALLBACKS, define)
 577 else
 578         AC_MSG_RESULT(no)
 579         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_CALLBACKS, undef)
 580 fi
 581
 582 AC_MSG_CHECKING([kernel source for no typedef sctp_sctphdr_t])
 583 if test -f $ksourcedir/include/linux/sctp.h && \
 584    $GREP -q '^typedef struct sctphdr' $ksourcedir/include/linux/sctp.h; then
 585         AC_MSG_RESULT(yes)
 586         AC_SUBST(HAVE_TYPEDEF_SCTP_SCTPHDR_T, define)
 587 else
 588         AC_MSG_RESULT(no)
 589         AC_SUBST(HAVE_TYPEDEF_SCTP_SCTPHDR_T, undef)
 590 fi
 591
 592 AC_MSG_CHECKING([kernel source for timer_setup in timer.h])
 593 if test -f $ksourcedir/include/linux/timer.h && \
 594    $GREP -q ' timer_setup' $ksourcedir/include/linux/timer.h; then
 595         AC_MSG_RESULT(yes)
 596         AC_SUBST(HAVE_TIMER_SETUP, define)
 597 else
 598         AC_MSG_RESULT(no)
 599         AC_SUBST(HAVE_TIMER_SETUP, undef)
 600 fi
 601
 602 AC_MSG_CHECKING([kernel source for lockdep_nfnl_is_held() in nfnetlink.h])
 603 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 604    $GREP -q ' lockdep_nfnl_is_held' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
 605         AC_MSG_RESULT(yes)
 606         AC_SUBST(HAVE_LOCKDEP_NFNL_IS_HELD, define)
 607 else
 608         AC_MSG_RESULT(no)
 609         AC_SUBST(HAVE_LOCKDEP_NFNL_IS_HELD, undef)
 610 fi
 611
 612 AC_MSG_CHECKING([kernel source for struct net_generic])
 613 if test -f $ksourcedir/include/net/netns/generic.h && \
 614    $GREP -q 'struct net_generic' $ksourcedir/include/net/netns/generic.h; then
 615         AC_MSG_RESULT(yes)
 616 else
 617         AC_MSG_RESULT(no)
 618         AC_MSG_ERROR([Netns support is required in the Linux kernel tree])
 619 fi
 620 fi
 621
 622 dnl Checks for compiler characteristics.
 623 dnl Check extra warning flags except
 624 dnl     -Wconversion            -> we need it
 625 dnl     -Wunreachable-code      -> fails with ntoh*
 626 dnl     -Wpointer-arith         -> limbnl uses it
 627 dnl     -Wsign-conversion       -> libmnl
 628 if test "x$enable_debug" = "xyes"
 629 then
 630 AX_CFLAGS_GCC_OPTION(-Waggregate-return)
 631 AX_CFLAGS_GCC_OPTION(-Wbad-function-cast)
 632 AX_CFLAGS_GCC_OPTION(-Wcast-align)
 633 AX_CFLAGS_GCC_OPTION(-Wcast-qual)
 634 AX_CFLAGS_GCC_OPTION(-Werror)
 635 AX_CFLAGS_GCC_OPTION(-Wextra)
 636 AX_CFLAGS_GCC_OPTION(-Wfloat-equal)
 637 AX_CFLAGS_GCC_OPTION(-Wformat=2)
 638 AX_CFLAGS_GCC_OPTION(-Wjump-misses-init)
 639 AX_CFLAGS_GCC_OPTION(-Winit-self)
 640 AX_CFLAGS_GCC_OPTION(-Winline)
 641 AX_CFLAGS_GCC_OPTION(-Wlogical-op)
 642 AX_CFLAGS_GCC_OPTION(-Wmissing-declarations)
 643 AX_CFLAGS_GCC_OPTION(-Wmissing-format-attribute)
 644 AX_CFLAGS_GCC_OPTION(-Wmissing-prototypes)
 645 AX_CFLAGS_GCC_OPTION(-Wnested-externs)
 646 AX_CFLAGS_GCC_OPTION(-Wno-missing-field-initializers)
 647 AX_CFLAGS_GCC_OPTION(-Wold-style-definition)
 648 AX_CFLAGS_GCC_OPTION(-Woverlength-strings)
 649 AX_CFLAGS_GCC_OPTION(-Wpacked)
 650 AX_CFLAGS_GCC_OPTION(-Wredundant-decls)
 651 AX_CFLAGS_GCC_OPTION(-Wrwrite-strings)
 652 AX_CFLAGS_GCC_OPTION(-Wshadow)
 653 AX_CFLAGS_GCC_OPTION(-Wsign-compare)
 654 AX_CFLAGS_GCC_OPTION(-Wstrict-prototypes)
 655 AX_CFLAGS_GCC_OPTION(-Wswitch-default)
 656 AX_CFLAGS_GCC_OPTION(-Wundef)
 657 AX_CFLAGS_GCC_OPTION(-Wuninitialized)
 658 AX_CFLAGS_GCC_OPTION(-Wunused)
 659 AX_CFLAGS_GCC_OPTION(-Wvla)
 660 AX_CFLAGS_GCC_OPTION(-Wwrite-strings)
 661 fi
 662 dnl Checks for library functions.
 663
 664 dnl Generate output
 665 AC_CONFIG_FILES([Makefile include/libipset/Makefile
 666         lib/Makefile lib/libipset.pc src/Makefile utils/Makefile
 667         kernel/include/linux/netfilter/ipset/ip_set_compat.h])
 668 AC_OUTPUT
 669
 670 dnl Summary
 671 AC_MSG_RESULT([])
 672 AC_MSG_RESULT([$PACKAGE userspace tool configuration:])
 673 if test "x$bashcompdir" != "x"; then
 674         AC_MSG_RESULT([    Bash completion directory: ${bashcompdir}])
 675 fi
 676 if test "x$enable_settype_modules" != "xyes"; then
 677         AC_MSG_RESULT([    Dynamic module loading: disabled])
 678 else
 679         AC_MSG_RESULT([    Dynamic module loading: enabled])
 680 fi
 681 IPSET_ALL_MODULES="`ls ${srcdir}/lib/ipset_*.c|sed -e 's/^.*lib\///' -e 's/\.c$//'`"
 682 AC_MSG_RESULT([    Static modules:])
 683 if test "x$SETTYPE_MODLIST" = "x"; then
 684         for mod in $IPSET_ALL_MODULES; do
 685                 AC_MSG_RESULT([        ${mod}])
 686         done
 687         AC_MSG_RESULT([    Dynamic modules:])
 688 elif echo $SETTYPE_MODLIST | grep "all" >/dev/null; then
 689         AC_MSG_RESULT([    Dynamic modules:])
 690         for mod in $IPSET_ALL_MODULES; do
 691                 AC_MSG_RESULT([        ${mod}])
 692         done
 693 else
 694         for mod in $IPSET_ALL_MODULES; do
 695                 if echo $SETTYPE_MODLIST | grep -w "$mod" >/dev/null; then
 696                         :
 697                 else
 698                         AC_MSG_RESULT([        ${mod}])
 699                 fi
 700         done
 701         AC_MSG_RESULT([    Dynamic modules:])
 702         for mod in $IPSET_ALL_MODULES; do
 703                 if echo $SETTYPE_MODLIST | grep -w "$mod" >/dev/null; then
 704                         AC_MSG_RESULT([        ${mod}])
 705                 fi
 706         done
 707 fi