configure.ac

   1 dnl Boilerplate
   2 AC_INIT([ipset], [7.7], [kadlec@netfilter.org])
   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 # This hack makes PKG_CHECK_VARS from m4/pkg.m4 work on autoconf 2.63
  68 # (courtesy of sunnybear in https://github.com/gdnsd/gdnsd/issues/85)
  69 m4_ifndef([AS_VAR_COPY],
  70 [m4_define([AS_VAR_COPY],
  71 [AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])])
  72
  73 if test "x$enable_bashcompl" = "xyes"; then
  74         PKG_CHECK_VAR(bashcompdir, [bash-completion], [completionsdir], , bashcompdir="${sysconfdir}/bash_completion.d")
  75         AC_SUBST(bashcompdir)
  76 fi
  77
  78 if test "$BUILDKMOD" == "yes"
  79 then
  80 dnl Sigh: check kernel version dependencies
  81 if test "$KBUILDDIR" != ""
  82 then
  83         kbuilddir="$KBUILDDIR"
  84 else
  85         kbuilddir="/lib/modules/`uname -r`/build"
  86 fi
  87
  88 if test -n "$KSOURCEDIR"; then
  89         ksourcedir="$KSOURCEDIR"
  90 elif test -e "$kbuilddir/include/linux/netfilter/nfnetlink.h"; then
  91         ksourcedir="$kbuilddir"
  92 else
  93         ksourcedir="/lib/modules/$(uname -r)/source"
  94 fi
  95 if test ! -e "$ksourcedir/include/linux/netfilter/nfnetlink.h"
  96 then
  97         AC_MSG_ERROR([Invalid kernel source directory $ksourcedir])
  98 fi
  99
 100 if test ! -e "$kbuilddir/.config"
 101 then
 102         AC_MSG_ERROR([The kernel build directory $kbuilddir is not configured])
 103 fi
 104
 105 AC_PROG_GREP
 106 AC_PROG_AWK
 107
 108 if ! $GREP -q "NFNL_SUBSYS_IPSET" "$ksourcedir/include/linux/netfilter/nfnetlink.h" && \
 109    ! $GREP -q "NFNL_SUBSYS_IPSET" "$ksourcedir/include/uapi/linux/netfilter/nfnetlink.h";
 110 then
 111         AC_MSG_ERROR([The kernel source directory $ksourcedir is not patched with netlink.patch to support ipset])
 112 fi
 113 fi
 114
 115 dnl Maximal number of sets supported by the kernel, default 256
 116 AC_ARG_WITH([maxsets],
 117             AS_HELP_STRING([--with-maxsets=256],
 118                            [Maximal numer of sets supported by the kernel]),
 119             [MAXSETS="$withval";])
 120 AM_CONDITIONAL(WITH_MAXSETS, test "$MAXSETS" != "")
 121 AC_SUBST(MAXSETS)
 122
 123 dnl Verbose compiling
 124 AC_ARG_ENABLE([verbose],
 125               AS_HELP_STRING([--enable-verbose],
 126                              [Enable verbose mode at compiling/linking.]),
 127               [case "${enableval}" in
 128                yes)     enable_verbose=yes ;;
 129                no)      enable_verbose=no ;;
 130                *) AC_MSG_ERROR([bad value ${enableval} for --enable-verbose]) ;;
 131                esac], [enable_verbose=no])
 132
 133 AC_ARG_ENABLE([debug],
 134         AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]),
 135         [], [enable_debug=no])
 136 AS_IF([test "x$enable_debug" = "xyes"], [
 137         AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.])
 138 ])
 139 AM_CONDITIONAL([ENABLE_DEBUG], [test "x$enable_debug" = xyes])
 140
 141 dnl Enable type modules
 142 AC_ARG_ENABLE([settype_modules],
 143                   AS_HELP_STRING([--enable-settype-modules],
 144                   [Enable set type modules support]),
 145                   [enable_settype_modules="$enableval"],
 146                   [enable_settype_modules="no"])
 147
 148 AC_ARG_WITH([settype_modules_list],
 149                 AS_HELP_STRING([--with-settype-modules-list="mod1 mod2 ..."],
 150                                [List of dynamic loading modules, ignored if settype-modules is disabled. It could be "all" to build all available settypes as modules]),
 151                                [SETTYPE_MODLIST_RAW="$withval";])
 152
 153 SETTYPE_MODLIST=
 154 if test "x$enable_settype_modules" = "xyes"; then
 155         for mod in $SETTYPE_MODLIST_RAW; do
 156                 if echo $mod | grep "all"; then
 157                         m="${mod}"
 158                 else
 159                         if echo $mod | grep "ipset_"; then
 160                                 m="${mod}.c"
 161                         else
 162                                 m="ipset_${mod}.c"
 163                         fi
 164                 fi
 165
 166                 SETTYPE_MODLIST="${SETTYPE_MODLIST} $m"
 167         done
 168
 169         AC_MSG_RESULT([checking for configuration with dynamic loading modules... $SETTYPE_MODLIST_RAW])
 170 fi
 171 AC_SUBST(SETTYPE_MODLIST)
 172
 173 AM_CONDITIONAL([ENABLE_SETTYPE_MODULES], [test "x$enable_settype_modules" = xyes])
 174
 175 AM_CONDITIONAL([ENABLE_STATIC], [test "x$enable_static" = xyes])
 176 AM_CONDITIONAL([ENABLE_SHARED], [test "x$enable_shared" = xyes])
 177
 178 dnl Checks for programs
 179 : ${CFLAGS=""}
 180
 181 AC_PROG_CC
 182 AM_PROG_CC_C_O
 183 AC_PROG_LIBTOOL
 184 AC_PROG_INSTALL
 185 AC_PROG_LN_S
 186
 187 dnl Checks for libraries
 188 PKG_CHECK_MODULES([libmnl], [libmnl >= 1])
 189
 190 dnl Checks for header files
 191
 192 dnl Checks for declarations
 193 AC_CHECK_DECLS([NLA_F_NESTED, NLA_F_NET_BYTEORDER, NLA_TYPE_MASK],,
 194                 [AC_MSG_ERROR([System kernel header files are older than 2.6.24, use CFLAGS for non-default location])],
 195                 [#include <sys/socket.h>
 196 #include <linux/netlink.h>])
 197
 198 dnl Checks for typedefs, structures
 199 AC_CHECK_TYPES([union nf_inet_addr],,,[#include <linux/types.h>
 200 #include <netinet/in.h>
 201 #include <linux/netfilter.h>])
 202
 203 dnl Checks for functions
 204 AC_CHECK_FUNCS(gethostbyname2)
 205
 206 if test "$BUILDKMOD" == "yes"
 207 then
 208 dnl Check kernel incompatibilities... Ugly like hell
 209
 210 AC_MSG_CHECKING([kernel source for INIT_DEFERRABLE_WORK])
 211 if test -f $ksourcedir/include/linux/workqueue.h && \
 212    $GREP -q 'INIT_DEFERRABLE_WORK' $ksourcedir/include/linux/workqueue.h; then
 213         AC_MSG_RESULT(yes)
 214         AC_SUBST(HAVE_INIT_DEFERRABLE_WORK, define)
 215 else
 216         AC_MSG_RESULT(no)
 217         AC_SUBST(HAVE_INIT_DEFERRABLE_WORK, undef)
 218 fi
 219
 220 AC_MSG_CHECKING([kernel source for system_power_efficient_wq])
 221 if test -f $ksourcedir/include/linux/workqueue.h && \
 222    $GREP -q 'system_power_efficient_wq' $ksourcedir/include/linux/workqueue.h; then
 223         AC_MSG_RESULT(yes)
 224         AC_SUBST(HAVE_SYSTEM_POWER_EFFICIENT_WQ, define)
 225 elif test -f $ksourcedir/include/linux/workqueue.h && \
 226    $GREP -q 'system_wq' $ksourcedir/include/linux/workqueue.h; then
 227         AC_MSG_RESULT(no)
 228         AC_SUBST(HAVE_SYSTEM_POWER_EFFICIENT_WQ, undef)
 229 else
 230         AC_MSG_ERROR([Kernel source tree is too old, at least v2.36 is required])
 231 fi
 232
 233 AC_MSG_CHECKING([kernel source for struct xt_action_param])
 234 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 235    $GREP -q 'struct xt_action_param' $ksourcedir/include/linux/netfilter/x_tables.h; then
 236         AC_MSG_RESULT(yes)
 237         AC_SUBST(HAVE_STRUCT_XT_ACTION_PARAM, define)
 238 else
 239         AC_MSG_RESULT(no)
 240         AC_SUBST(HAVE_STRUCT_XT_ACTION_PARAM, undef)
 241 fi
 242
 243 AC_MSG_CHECKING([kernel source for vzalloc])
 244 if test -f $ksourcedir/include/linux/vmalloc.h && \
 245    $GREP -q 'vzalloc' $ksourcedir/include/linux/vmalloc.h; then
 246         AC_MSG_RESULT(yes)
 247         AC_SUBST(HAVE_VZALLOC, define)
 248 else
 249         AC_MSG_RESULT(no)
 250         AC_SUBST(HAVE_VZALLOC, undef)
 251 fi
 252
 253 AC_MSG_CHECKING([kernel source for ether_addr_equal])
 254 if test -f $ksourcedir/include/linux/etherdevice.h && \
 255    $GREP -q 'ether_addr_equal' $ksourcedir/include/linux/etherdevice.h; then
 256         AC_MSG_RESULT(yes)
 257         AC_SUBST(HAVE_ETHER_ADDR_EQUAL, define)
 258 else
 259         AC_MSG_RESULT(no)
 260         AC_SUBST(HAVE_ETHER_ADDR_EQUAL, undef)
 261 fi
 262
 263 AC_MSG_CHECKING([kernel source for is_zero_ether_addr])
 264 if test -f $ksourcedir/include/linux/etherdevice.h && \
 265    $GREP -q 'is_zero_ether_addr' $ksourcedir/include/linux/etherdevice.h; then
 266         AC_MSG_RESULT(yes)
 267         AC_SUBST(HAVE_IS_ZERO_ETHER_ADDR, define)
 268 else
 269         AC_MSG_RESULT(no)
 270         AC_SUBST(HAVE_IS_ZERO_ETHER_ADDR, undef)
 271 fi
 272
 273 AC_MSG_CHECKING([kernel source for nla_put_be16])
 274 if test -f $ksourcedir/include/net/netlink.h && \
 275    $GREP -q 'nla_put_be16' $ksourcedir/include/net/netlink.h; then
 276         AC_MSG_RESULT(yes)
 277         AC_SUBST(HAVE_NLA_PUT_BE16, define)
 278 else
 279         AC_MSG_RESULT(no)
 280         AC_SUBST(HAVE_NLA_PUT_BE16, undef)
 281 fi
 282
 283 AC_MSG_CHECKING([kernel source for nla_put_be64])
 284 if test -f $ksourcedir/include/net/netlink.h && \
 285    $GREP -q 'nla_put_be64' $ksourcedir/include/net/netlink.h; then
 286         AC_MSG_RESULT(yes)
 287         AC_SUBST(HAVE_NLA_PUT_BE64, define)
 288 else
 289         AC_MSG_RESULT(no)
 290         AC_SUBST(HAVE_NLA_PUT_BE64, undef)
 291 fi
 292
 293 AC_MSG_CHECKING([kernel source for nla_put_64bit])
 294 if test -f $ksourcedir/include/net/netlink.h && \
 295    $GREP -q 'nla_put_64bit' $ksourcedir/include/net/netlink.h; then
 296         AC_MSG_RESULT(yes)
 297         AC_SUBST(HAVE_NLA_PUT_64BIT, define)
 298 else
 299         AC_MSG_RESULT(no)
 300         AC_SUBST(HAVE_NLA_PUT_64BIT, undef)
 301 fi
 302
 303 AC_MSG_CHECKING([kernel source for portid in nl_info])
 304 if test -f $ksourcedir/include/linux/netlink.h && \
 305    $AWK '/^struct netlink_skb_parms /,/^}/' $ksourcedir/include/linux/netlink.h | $GREP -q 'portid;'; then
 306         AC_MSG_RESULT(yes)
 307         AC_SUBST(HAVE_NL_INFO_PORTID, define)
 308 else
 309         AC_MSG_RESULT(no)
 310         AC_SUBST(HAVE_NL_INFO_PORTID, undef)
 311 fi
 312
 313 AC_MSG_CHECKING([kernel source for netlink_dump_start args])
 314 if test -f $ksourcedir/include/linux/netlink.h && \
 315    $AWK '/ netlink_dump_start\(/,/\)/' $ksourcedir/include/linux/netlink.h | $GREP -q 'done.*;'; then
 316         AC_MSG_RESULT(5 args)
 317         AC_SUBST(HAVE_NETLINK_DUMP_START_ARGS, 5)
 318 elif test -f $ksourcedir/include/linux/netlink.h && \
 319    $AWK '/ netlink_dump_start\(/,/\)/' $ksourcedir/include/linux/netlink.h | $GREP -q 'min_dump_alloc.*;'; then
 320         AC_MSG_RESULT(6 args)
 321         AC_SUBST(HAVE_NETLINK_DUMP_START_ARGS, 6)
 322 elif test -f $ksourcedir/include/linux/netlink.h && \
 323    $AWK '/^struct netlink_dump_control {/,/\}/' $ksourcedir/include/linux/netlink.h | $GREP -q '\(\*start\)'; then
 324         AC_MSG_RESULT(4 args)
 325         AC_SUBST(HAVE_NETLINK_DUMP_START_ARGS, 4)
 326 else
 327         AC_MSG_RESULT(7 fake args)
 328         AC_SUBST(HAVE_NETLINK_DUMP_START_ARGS, 7)
 329 fi
 330
 331 AC_MSG_CHECKING([kernel source for ns_capable])
 332 if test -f $ksourcedir/include/linux/capability.h && \
 333    $GREP -q 'ns_capable' $ksourcedir/include/linux/capability.h; then
 334         AC_MSG_RESULT(yes)
 335         AC_SUBST(HAVE_NS_CAPABLE, define)
 336 else
 337         AC_MSG_RESULT(no)
 338         AC_SUBST(HAVE_NS_CAPABLE, undef)
 339 fi
 340
 341 AC_MSG_CHECKING([kernel source for nfnl_lock per subsys])
 342 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 343    $GREP -q 'nfnl_lock.* subsys_id' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
 344         AC_MSG_RESULT(yes)
 345         AC_SUBST(HAVE_NFNL_LOCK_SUBSYS, define)
 346 else
 347         AC_MSG_RESULT(no)
 348         AC_SUBST(HAVE_NFNL_LOCK_SUBSYS, undef)
 349 fi
 350
 351 AC_MSG_CHECKING([kernel source for export.h])
 352 if test -f $ksourcedir/include/linux/export.h; then
 353         AC_MSG_RESULT(yes)
 354         AC_SUBST(HAVE_EXPORT_H, define)
 355 else
 356         AC_MSG_RESULT(no)
 357         AC_SUBST(HAVE_EXPORT_H, undef)
 358 fi
 359
 360 AC_MSG_CHECKING([kernel source for ipv6_skip_exthdr args])
 361 if test -f $ksourcedir/include/net/ipv6.h && \
 362    $AWK '/( |\t)ipv6_skip_exthdr\(/,/\)/' $ksourcedir/include/net/ipv6.h | $GREP -q 'frag_offp'; then
 363         AC_MSG_RESULT(4 args)
 364         AC_SUBST(HAVE_IPV6_SKIP_EXTHDR_ARGS, 4)
 365 else
 366         AC_MSG_RESULT(3 args)
 367         AC_SUBST(HAVE_IPV6_SKIP_EXTHDR_ARGS, 3)
 368 fi
 369
 370 AC_MSG_CHECKING([kernel source for cond_resched_rcu])
 371 if test -f $ksourcedir/include/linux/sched.h && \
 372    $AWK '/( |\t)cond_resched_rcu\(/,/\)/' $ksourcedir/include/linux/sched.h | $GREP -q 'cond_resched_rcu'; then
 373         AC_MSG_RESULT(yes)
 374         AC_SUBST(HAVE_COND_RESCHED_RCU, define)
 375 else
 376         AC_MSG_RESULT(no)
 377         AC_SUBST(HAVE_COND_RESCHED_RCU, undef)
 378 fi
 379
 380 AC_MSG_CHECKING([kernel source for bool checkentry function prototype])
 381 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 382    $GREP -q 'bool .\*checkentry.' $ksourcedir/include/linux/netfilter/x_tables.h; then
 383         AC_MSG_RESULT(yes)
 384         AC_SUBST(HAVE_CHECKENTRY_BOOL, define)
 385 else
 386         AC_MSG_RESULT(no)
 387         AC_SUBST(HAVE_CHECKENTRY_BOOL, undef)
 388 fi
 389
 390 AC_MSG_CHECKING([kernel source for old struct xt_target_param])
 391 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 392    $GREP -q '^struct xt_target_param ' $ksourcedir/include/linux/netfilter/x_tables.h; then
 393         AC_MSG_RESULT(yes)
 394         AC_SUBST(HAVE_XT_TARGET_PARAM, define)
 395 else
 396         AC_MSG_RESULT(no)
 397         AC_SUBST(HAVE_XT_TARGET_PARAM, undef)
 398 fi
 399
 400 AC_MSG_CHECKING([kernel source for id in struct pernet_operations])
 401 if test -f $ksourcedir/include/net/net_namespace.h && \
 402    $AWK '/^struct pernet_operations /,/^}/' $ksourcedir/include/net/net_namespace.h | $GREP -q 'int \*id;'; then
 403         AC_MSG_RESULT(yes)
 404         AC_SUBST(HAVE_NET_OPS_ID, define)
 405 else
 406         AC_MSG_RESULT(no)
 407         AC_SUBST(HAVE_NET_OPS_ID, undef)
 408 fi
 409
 410 AC_MSG_CHECKING([kernel source for async in struct pernet_operations])
 411 if test -f $ksourcedir/include/net/net_namespace.h && \
 412    $AWK '/^struct pernet_operations /,/^}/' $ksourcedir/include/net/net_namespace.h | $GREP -q 'bool async;'; then
 413         AC_MSG_RESULT(yes)
 414         AC_SUBST(HAVE_NET_OPS_ASYNC, define)
 415 else
 416         AC_MSG_RESULT(no)
 417         AC_SUBST(HAVE_NET_OPS_ASYNC, undef)
 418 fi
 419
 420 AC_MSG_CHECKING([kernel source for user_ns in struct net])
 421 if test -f $ksourcedir/include/net/net_namespace.h && \
 422    $AWK '/^struct net \{/,/^}/' $ksourcedir/include/net/net_namespace.h | $GREP -q 'user_ns'; then
 423         AC_MSG_RESULT(yes)
 424         AC_SUBST(HAVE_USER_NS_IN_STRUCT_NET, define)
 425 else
 426         AC_MSG_RESULT(no)
 427         AC_SUBST(HAVE_USER_NS_IN_STRUCT_NET, undef)
 428 fi
 429
 430 AC_MSG_CHECKING([kernel source for rbtree_postorder_for_each_entry_safe])
 431 if test -f $ksourcedir/include/linux/rbtree.h && \
 432    $GREP -q 'rbtree_postorder_for_each_entry_safe' $ksourcedir/include/linux/rbtree.h; then
 433         AC_MSG_RESULT(yes)
 434         AC_SUBST(HAVE_RBTREE_POSTORDER_FOR_EACH_ENTRY_SAFE, define)
 435 else
 436         AC_MSG_RESULT(no)
 437         AC_SUBST(HAVE_RBTREE_POSTORDER_FOR_EACH_ENTRY_SAFE, undef)
 438 fi
 439
 440 AC_MSG_CHECKING([kernel source for kvcalloc])
 441 if test -f $ksourcedir/include/linux/mm.h && \
 442    $GREP -q 'kvcalloc' $ksourcedir/include/linux/mm.h; then
 443         AC_MSG_RESULT(yes)
 444         AC_SUBST(HAVE_KVCALLOC, define)
 445 else
 446         AC_MSG_RESULT(no)
 447         AC_SUBST(HAVE_KVCALLOC, undef)
 448 fi
 449
 450 AC_MSG_CHECKING([kernel source for kvfree])
 451 if test -f $ksourcedir/include/linux/mm.h && \
 452    $GREP -q 'kvfree' $ksourcedir/include/linux/mm.h; then
 453         AC_MSG_RESULT(yes)
 454         AC_SUBST(HAVE_KVFREE, define)
 455 else
 456         AC_MSG_RESULT(no)
 457         AC_SUBST(HAVE_KVFREE, undef)
 458 fi
 459
 460 AC_MSG_CHECKING([kernel source for bitmap_zalloc])
 461 if test -f $ksourcedir/include/linux/bitmap.h && \
 462    $GREP -q 'bitmap_zalloc' $ksourcedir/include/linux/bitmap.h; then
 463         AC_MSG_RESULT(yes)
 464         AC_SUBST(HAVE_BITMAP_ZALLOC, define)
 465 else
 466         AC_MSG_RESULT(no)
 467         AC_SUBST(HAVE_BITMAP_ZALLOC, undef)
 468 fi
 469
 470 AC_MSG_CHECKING([kernel source for bitmap_zero])
 471 if test -f $ksourcedir/include/linux/bitmap.h && \
 472    $GREP -q 'bitmap_zero' $ksourcedir/include/linux/bitmap.h; then
 473         AC_MSG_RESULT(yes)
 474         AC_SUBST(HAVE_BITMAP_ZERO, define)
 475 else
 476         AC_MSG_RESULT(no)
 477         AC_SUBST(HAVE_BITMAP_ZERO, undef)
 478 fi
 479
 480 AC_MSG_CHECKING([kernel source for struct net in struct xt_mtchk_param])
 481 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 482    $AWK '/^struct xt_mtchk_param /,/^}/' $ksourcedir/include/linux/netfilter/x_tables.h | \
 483    $GREP -q 'struct net '; then
 484         AC_MSG_RESULT(yes)
 485         AC_SUBST(HAVE_XT_MTCHK_PARAM_STRUCT_NET, define)
 486 else
 487         AC_MSG_RESULT(no)
 488         AC_SUBST(HAVE_XT_MTCHK_PARAM_STRUCT_NET, undef)
 489 fi
 490
 491 AC_MSG_CHECKING([kernel source for struct net in the change function of tcf_ematch_ops])
 492 if test -f $ksourcedir/include/net/pkt_cls.h && \
 493    $AWK '/^struct tcf_ematch_ops /,/^}/' $ksourcedir/include/net/pkt_cls.h | \
 494    $GREP -q '\*change..struct net \*net'; then
 495         AC_MSG_RESULT(yes)
 496         AC_SUBST(HAVE_TCF_EMATCH_OPS_CHANGE_ARG_NET, define)
 497 else
 498         AC_MSG_RESULT(no)
 499         AC_SUBST(HAVE_TCF_EMATCH_OPS_CHANGE_ARG_NET, undef)
 500 fi
 501
 502 AC_MSG_CHECKING([kernel source for struct net in struct tcf_ematch])
 503 if test -f $ksourcedir/include/net/pkt_cls.h && \
 504    $AWK '/^struct tcf_ematch /,/^}/' $ksourcedir/include/net/pkt_cls.h | \
 505    $GREP -q 'struct net'; then
 506         AC_MSG_RESULT(yes)
 507         AC_SUBST(HAVE_TCF_EMATCH_STRUCT_NET, define)
 508 else
 509         AC_MSG_RESULT(no)
 510         AC_SUBST(HAVE_TCF_EMATCH_STRUCT_NET, undef)
 511 fi
 512
 513 AC_MSG_CHECKING([kernel source for list_last_entry])
 514 if test -f $ksourcedir/include/linux/list.h && \
 515    $GREP -q 'list_last_entry' $ksourcedir/include/linux/list.h; then
 516         AC_MSG_RESULT(yes)
 517         AC_SUBST(HAVE_LIST_LAST_ENTRY, define)
 518 else
 519         AC_MSG_RESULT(no)
 520         AC_SUBST(HAVE_LIST_LAST_ENTRY, undef)
 521 fi
 522
 523 AC_MSG_CHECKING([kernel source for list_next_entry])
 524 if test -f $ksourcedir/include/linux/list.h && \
 525    $GREP -q 'list_next_entry' $ksourcedir/include/linux/list.h; then
 526         AC_MSG_RESULT(yes)
 527         AC_SUBST(HAVE_LIST_NEXT_ENTRY, define)
 528 else
 529         AC_MSG_RESULT(no)
 530         AC_SUBST(HAVE_LIST_NEXT_ENTRY, undef)
 531 fi
 532
 533 AC_MSG_CHECKING([kernel source for ether_addr_copy])
 534 if test -f $ksourcedir/include/linux/etherdevice.h && \
 535    $GREP -q 'ether_addr_copy' $ksourcedir/include/linux/etherdevice.h; then
 536         AC_MSG_RESULT(yes)
 537         AC_SUBST(HAVE_ETHER_ADDR_COPY, define)
 538 else
 539         AC_MSG_RESULT(no)
 540         AC_SUBST(HAVE_ETHER_ADDR_COPY, undef)
 541 fi
 542
 543 AC_MSG_CHECKING([kernel source for nf_bridge_get_physindev])
 544 if test -f $ksourcedir/include/linux/netfilter_bridge.h && \
 545    $GREP -q 'nf_bridge_get_physindev' $ksourcedir/include/linux/netfilter_bridge.h; then
 546         AC_MSG_RESULT(yes)
 547         AC_SUBST(HAVE_NF_BRIDGE_GET_PHYSDEV, define)
 548 else
 549         AC_MSG_RESULT(no)
 550         AC_SUBST(HAVE_NF_BRIDGE_GET_PHYSDEV, undef)
 551 fi
 552
 553 AC_MSG_CHECKING([kernel source for nla_put_in_addr])
 554 if test -f $ksourcedir/include/net/netlink.h && \
 555    $GREP -q 'nla_put_in_add' $ksourcedir/include/net/netlink.h; then
 556         AC_MSG_RESULT(yes)
 557         AC_SUBST(HAVE_NLA_PUT_IN_ADDR, define)
 558 else
 559         AC_MSG_RESULT(no)
 560         AC_SUBST(HAVE_NLA_PUT_IN_ADDR, undef)
 561 fi
 562
 563 AC_MSG_CHECKING([kernel source for struct net in the call() function in struct nfnl_callback])
 564 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 565    $AWK '/^struct nfnl_callback /,/\);$/' $ksourcedir/include/linux/netfilter/nfnetlink.h | \
 566    $GREP -q 'struct net'; then
 567         AC_MSG_RESULT(yes)
 568         AC_SUBST(HAVE_NET_IN_NFNL_CALLBACK_FN, define)
 569 else
 570         AC_MSG_RESULT(no)
 571         AC_SUBST(HAVE_NET_IN_NFNL_CALLBACK_FN, undef)
 572 fi
 573
 574 AC_MSG_CHECKING([kernel source for EXPORT_SYMBOL_GPL in module.h])
 575 if test -f $ksourcedir/include/linux/module.h && \
 576    $GREP -q 'EXPORT_SYMBOL_GPL' $ksourcedir/include/linux/module.h; then
 577         AC_MSG_RESULT(yes)
 578         AC_SUBST(HAVE_EXPORT_SYMBOL_GPL_IN_MODULE_H, define)
 579 else
 580         AC_MSG_RESULT(no)
 581         AC_SUBST(HAVE_EXPORT_SYMBOL_GPL_IN_MODULE_H, undef)
 582 fi
 583
 584 AC_MSG_CHECKING([kernel source for tc_skb_protocol in pkt_sched.h])
 585 if test -f $ksourcedir/include/net/pkt_sched.h && \
 586    $GREP -q 'tc_skb_protocol' $ksourcedir/include/net/pkt_sched.h; then
 587         AC_MSG_RESULT(yes)
 588         AC_SUBST(HAVE_TC_SKB_PROTOCOL, define)
 589 else
 590         AC_MSG_RESULT(no)
 591         AC_SUBST(HAVE_TC_SKB_PROTOCOL, undef)
 592
 593         AC_MSG_CHECKING([kernel source for vlan_proto in struct sk_buff])
 594         if test -f $ksourcedir/include/linux/skbuff.h && \
 595            $AWK '/^struct sk_buff {/,/^};$/' $ksourcedir/include/linux/skbuff.h | \
 596            $GREP -q 'vlan_proto'; then
 597                 AC_MSG_RESULT(yes)
 598                 AC_SUBST(HAVE_VLAN_PROTO_IN_SK_BUFF, define)
 599         else
 600                 AC_MSG_RESULT(no)
 601                 AC_SUBST(HAVE_VLAN_PROTO_IN_SK_BUFF, undef)
 602         fi
 603 fi
 604
 605 AC_MSG_CHECKING([kernel source for iif to skb_iif rename in struct sk_buff])
 606 if test -f $ksourcedir/include/linux/skbuff.h && \
 607    $AWK '/^struct sk_buff {/,/^};$/' $ksourcedir/include/linux/skbuff.h | \
 608    $GREP -q 'skb_iif'; then
 609         AC_MSG_RESULT(yes)
 610         AC_SUBST(HAVE_SKB_IIF, define)
 611 else
 612         AC_MSG_RESULT(no)
 613         AC_SUBST(HAVE_SKB_IIF, undef)
 614 fi
 615
 616 AC_MSG_CHECKING([kernel source for struct net in struct xt_action_param])
 617 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 618    $AWK '/^struct xt_action_param /,/^}/' $ksourcedir/include/linux/netfilter/x_tables.h | \
 619    $GREP -q 'struct net '; then
 620         AC_MSG_RESULT(yes)
 621         AC_SUBST(HAVE_NET_IN_XT_ACTION_PARAM, define)
 622 else
 623         AC_MSG_RESULT(no)
 624         AC_SUBST(HAVE_NET_IN_XT_ACTION_PARAM, undef)
 625 fi
 626
 627 AC_MSG_CHECKING([kernel source for struct nf_hook_state in struct xt_action_param])
 628 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 629    $AWK '/^struct xt_action_param /,/^}/' $ksourcedir/include/linux/netfilter/x_tables.h | \
 630    $GREP -q 'struct nf_hook_state '; then
 631         AC_MSG_RESULT(yes)
 632         AC_SUBST(HAVE_STATE_IN_XT_ACTION_PARAM, define)
 633 else
 634         AC_MSG_RESULT(no)
 635         AC_SUBST(HAVE_STATE_IN_XT_ACTION_PARAM, undef)
 636 fi
 637
 638 AC_MSG_CHECKING([kernel source for xt_family() in x_tables.h])
 639 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 640    $GREP -q 'xt_family' $ksourcedir/include/linux/netfilter/x_tables.h; then
 641         AC_MSG_RESULT(yes)
 642         AC_SUBST(HAVE_XT_FAMILY, define)
 643 else
 644         AC_MSG_RESULT(no)
 645         AC_SUBST(HAVE_XT_FAMILY, undef)
 646 fi
 647
 648 AC_MSG_CHECKING([kernel source for xt_net() in x_tables.h])
 649 if test -f $ksourcedir/include/linux/netfilter/x_tables.h && \
 650    $GREP -q 'xt_net' $ksourcedir/include/linux/netfilter/x_tables.h; then
 651         AC_MSG_RESULT(yes)
 652         AC_SUBST(HAVE_XT_NET, define)
 653 else
 654         AC_MSG_RESULT(no)
 655         AC_SUBST(HAVE_XT_NET, undef)
 656 fi
 657
 658 AC_MSG_CHECKING([kernel source for nfnl_msg_type() in nfnetlink.h])
 659 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 660    $GREP -q 'nfnl_msg_type' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
 661         AC_MSG_RESULT(yes)
 662         AC_SUBST(HAVE_NFNL_MSG_TYPE, define)
 663 else
 664         AC_MSG_RESULT(no)
 665         AC_SUBST(HAVE_NFNL_MSG_TYPE, undef)
 666 fi
 667
 668 AC_MSG_CHECKING([kernel source for netlink extended ACK])
 669 if test -f $ksourcedir/include/linux/netlink.h && \
 670    $AWK '/void netlink_ack\(/,/\)/' $ksourcedir/include/linux/netlink.h | $GREP -q 'const struct netlink_ext_ack'; then
 671         AC_MSG_RESULT(yes)
 672         AC_SUBST(HAVE_NETLINK_EXTENDED_ACK, define)
 673 else
 674         AC_MSG_RESULT(no)
 675         AC_SUBST(HAVE_NETLINK_EXTENDED_ACK, undef)
 676 fi
 677
 678 AC_MSG_CHECKING([kernel source for passing extended ACK struct to parsing functions])
 679 if test -f $ksourcedir/include/net/netlink.h && \
 680    $AWK '/^static inline int nla_parse_nested\(/,/\)/' $ksourcedir/include/net/netlink.h | $GREP -q 'struct netlink_ext_ack'; then
 681         AC_MSG_RESULT(yes)
 682         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_PARSERS, define)
 683 else
 684         AC_MSG_RESULT(no)
 685         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_PARSERS, undef)
 686 fi
 687
 688 AC_MSG_CHECKING([kernel source for passing extended ACK struct to callback functions])
 689 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 690    $AWK '/^struct nfnl_callback /,/^}/' $ksourcedir/include/linux/netfilter/nfnetlink.h | $GREP -q 'struct netlink_ext_ack'; then
 691         AC_MSG_RESULT(yes)
 692         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_CALLBACKS, define)
 693 else
 694         AC_MSG_RESULT(no)
 695         AC_SUBST(HAVE_PASSING_EXTENDED_ACK_TO_CALLBACKS, undef)
 696 fi
 697
 698 AC_MSG_CHECKING([kernel source for no typedef sctp_sctphdr_t])
 699 if test -f $ksourcedir/include/linux/sctp.h && \
 700    $GREP -q '^typedef struct sctphdr' $ksourcedir/include/linux/sctp.h; then
 701         AC_MSG_RESULT(yes)
 702         AC_SUBST(HAVE_TYPEDEF_SCTP_SCTPHDR_T, define)
 703 else
 704         AC_MSG_RESULT(no)
 705         AC_SUBST(HAVE_TYPEDEF_SCTP_SCTPHDR_T, undef)
 706 fi
 707
 708 AC_MSG_CHECKING([kernel source for timer_setup in timer.h])
 709 if test -f $ksourcedir/include/linux/timer.h && \
 710    $GREP -q ' timer_setup' $ksourcedir/include/linux/timer.h; then
 711         AC_MSG_RESULT(yes)
 712         AC_SUBST(HAVE_TIMER_SETUP, define)
 713 else
 714         AC_MSG_RESULT(no)
 715         AC_SUBST(HAVE_TIMER_SETUP, undef)
 716 fi
 717
 718 AC_MSG_CHECKING([kernel source for lockdep_nfnl_is_held() in nfnetlink.h])
 719 if test -f $ksourcedir/include/linux/netfilter/nfnetlink.h && \
 720    $GREP -q ' lockdep_nfnl_is_held' $ksourcedir/include/linux/netfilter/nfnetlink.h; then
 721         AC_MSG_RESULT(yes)
 722         AC_SUBST(HAVE_LOCKDEP_NFNL_IS_HELD, define)
 723 else
 724         AC_MSG_RESULT(no)
 725         AC_SUBST(HAVE_LOCKDEP_NFNL_IS_HELD, undef)
 726 fi
 727
 728 AC_MSG_CHECKING([kernel source for strscpy() in string.h])
 729 if test -f $ksourcedir/include/linux/timer.h && \
 730    $GREP -q ' strscpy' $ksourcedir/include/linux/string.h; then
 731         AC_MSG_RESULT(yes)
 732         AC_SUBST(HAVE_STRSCPY, define)
 733 else
 734         AC_MSG_RESULT(no)
 735         AC_SUBST(HAVE_STRSCPY, undef)
 736 fi
 737
 738 AC_MSG_CHECKING([kernel source for synchronize_rcu_bh() in rcutiny.h and rcupdate.h])
 739 if test -f $ksourcedir/include/linux/rcupdate.h && \
 740    $GREP -q 'static inline void synchronize_rcu_bh' \
 741         $ksourcedir/include/linux/rcutiny.h $ksourcedir/include/linux/rcupdate.h; then
 742         AC_MSG_RESULT(yes)
 743         AC_SUBST(HAVE_SYNCHRONIZE_RCU_BH, define)
 744 else
 745         AC_MSG_RESULT(no)
 746         AC_SUBST(HAVE_SYNCHRONIZE_RCU_BH, undef)
 747 fi
 748
 749 AC_MSG_CHECKING([kernel source for the fourth arg of list_for_each_entry_rcu() in rculist.h])
 750 if test -f $ksourcedir/include/linux/rculist.h && \
 751    $GREP -q 'define list_for_each_entry_rcu(pos, head, member, cond' $ksourcedir/include/linux/rculist.h; then
 752         AC_MSG_RESULT(yes)
 753         AC_SUBST(HAVE_LIST_FOR_EACH_ENTRY_RCU_FOUR_ARGS, define)
 754 else
 755         AC_MSG_RESULT(no)
 756         AC_SUBST(HAVE_LIST_FOR_EACH_ENTRY_RCU_FOUR_ARGS, undef)
 757 fi
 758
 759 AC_MSG_CHECKING([kernel source for struct net_generic])
 760 if test -f $ksourcedir/include/net/netns/generic.h && \
 761    $GREP -q 'struct net_generic' $ksourcedir/include/net/netns/generic.h; then
 762         AC_MSG_RESULT(yes)
 763 else
 764         AC_MSG_RESULT(no)
 765         AC_MSG_ERROR([Netns support is required in the Linux kernel tree])
 766 fi
 767 fi
 768
 769 dnl Checks for compiler characteristics.
 770 dnl Check extra warning flags except
 771 dnl     -Wconversion            -> we need it
 772 dnl     -Wunreachable-code      -> fails with ntoh*
 773 dnl     -Wpointer-arith         -> limbnl uses it
 774 dnl     -Wsign-conversion       -> libmnl
 775 if test "x$enable_debug" = "xyes"
 776 then
 777 AX_CFLAGS_GCC_OPTION(-Waggregate-return)
 778 AX_CFLAGS_GCC_OPTION(-Wbad-function-cast)
 779 AX_CFLAGS_GCC_OPTION(-Wcast-align)
 780 AX_CFLAGS_GCC_OPTION(-Wcast-qual)
 781 AX_CFLAGS_GCC_OPTION(-Werror)
 782 AX_CFLAGS_GCC_OPTION(-Wextra)
 783 AX_CFLAGS_GCC_OPTION(-Wfloat-equal)
 784 AX_CFLAGS_GCC_OPTION(-Wformat=2)
 785 AX_CFLAGS_GCC_OPTION(-Wjump-misses-init)
 786 AX_CFLAGS_GCC_OPTION(-Winit-self)
 787 AX_CFLAGS_GCC_OPTION(-Winline)
 788 AX_CFLAGS_GCC_OPTION(-Wlogical-op)
 789 AX_CFLAGS_GCC_OPTION(-Wmissing-declarations)
 790 AX_CFLAGS_GCC_OPTION(-Wmissing-format-attribute)
 791 AX_CFLAGS_GCC_OPTION(-Wmissing-prototypes)
 792 AX_CFLAGS_GCC_OPTION(-Wnested-externs)
 793 AX_CFLAGS_GCC_OPTION(-Wno-missing-field-initializers)
 794 AX_CFLAGS_GCC_OPTION(-Wold-style-definition)
 795 AX_CFLAGS_GCC_OPTION(-Woverlength-strings)
 796 AX_CFLAGS_GCC_OPTION(-Wpacked)
 797 AX_CFLAGS_GCC_OPTION(-Wredundant-decls)
 798 AX_CFLAGS_GCC_OPTION(-Wrwrite-strings)
 799 AX_CFLAGS_GCC_OPTION(-Wshadow)
 800 AX_CFLAGS_GCC_OPTION(-Wsign-compare)
 801 AX_CFLAGS_GCC_OPTION(-Wstrict-prototypes)
 802 AX_CFLAGS_GCC_OPTION(-Wswitch-default)
 803 AX_CFLAGS_GCC_OPTION(-Wundef)
 804 AX_CFLAGS_GCC_OPTION(-Wuninitialized)
 805 AX_CFLAGS_GCC_OPTION(-Wunused)
 806 AX_CFLAGS_GCC_OPTION(-Wvla)
 807 AX_CFLAGS_GCC_OPTION(-Wwrite-strings)
 808 fi
 809 dnl Checks for library functions.
 810
 811 dnl Generate output
 812 AC_CONFIG_FILES([Makefile include/libipset/Makefile
 813         lib/Makefile lib/libipset.pc src/Makefile utils/Makefile
 814         kernel/include/linux/netfilter/ipset/ip_set_compat.h])
 815 AC_OUTPUT
 816
 817 dnl Summary
 818 AC_MSG_RESULT([])
 819 AC_MSG_RESULT([$PACKAGE userspace tool configuration:])
 820 if test "x$bashcompdir" != "x"; then
 821         AC_MSG_RESULT([    Bash completion directory: ${bashcompdir}])
 822 fi
 823 if test "x$enable_settype_modules" != "xyes"; then
 824         AC_MSG_RESULT([    Dynamic module loading: disabled])
 825 else
 826         AC_MSG_RESULT([    Dynamic module loading: enabled])
 827 fi
 828 IPSET_ALL_MODULES="`ls ${srcdir}/lib/ipset_*.c|sed -e 's/^.*lib\///' -e 's/\.c$//'`"
 829 AC_MSG_RESULT([    Static modules:])
 830 if test "x$SETTYPE_MODLIST" = "x"; then
 831         for mod in $IPSET_ALL_MODULES; do
 832                 AC_MSG_RESULT([        ${mod}])
 833         done
 834         AC_MSG_RESULT([    Dynamic modules:])
 835 elif echo $SETTYPE_MODLIST | grep "all" >/dev/null; then
 836         AC_MSG_RESULT([    Dynamic modules:])
 837         for mod in $IPSET_ALL_MODULES; do
 838                 AC_MSG_RESULT([        ${mod}])
 839         done
 840 else
 841         for mod in $IPSET_ALL_MODULES; do
 842                 if echo $SETTYPE_MODLIST | grep -w "$mod" >/dev/null; then
 843                         :
 844                 else
 845                         AC_MSG_RESULT([        ${mod}])
 846                 fi
 847         done
 848         AC_MSG_RESULT([    Dynamic modules:])
 849         for mod in $IPSET_ALL_MODULES; do
 850                 if echo $SETTYPE_MODLIST | grep -w "$mod" >/dev/null; then
 851                         AC_MSG_RESULT([        ${mod}])
 852                 fi
 853         done
 854 fi