configure

   1 #!/bin/bash
   2 # This isn't a configure generated by autoconf!
   3 # netsniff-ng build system
   4 # Copyright 2013-2016 Tobias Klauser <tklauser@distanz.ch>
   5 # Copyright 2013 Daniel Borkmann <borkmann@gnumaniacs.org>
   6 # Subject to the GNU GPL, version 2.
   7
   8 MISSING_TOOLCHAIN=0
   9 MISSING_DEFS=0
  10 MISSING_NACL=0
  11
  12 TOOLS="netsniff-ng trafgen astraceroute flowtop ifpps bpfc curvetun mausezahn"
  13 TOOLS_NOBUILD=""
  14
  15 HAVE_LIBNL=0
  16 HAVE_LIBPCAP=0
  17 HAVE_HWTSTAMP=0
  18 HAVE_LIBGEOIP=0
  19 HAVE_LIBZ=0
  20 HAVE_TPACKET3=0
  21
  22 DISABLE_LIBNL=0
  23 DISABLE_GEOIP=0
  24 DISABLE_ZLIB=0
  25 ENABLE_DEBUG=0
  26
  27 PREFIX="/usr/local"
  28 HAVE_PREFIX=0
  29
  30 SYSCONF_DIR=""
  31
  32 usage()
  33 {
  34         echo "Usage: ./configure [OPTION]... [VAR=VALUE]..."
  35         echo ""
  36         echo "  -h, --help       Display this help and exit"
  37         echo ""
  38         echo "Installation directories:"
  39         echo "  --prefix=PREFIX  install architecture-independent files in PREFIX"
  40         echo "                   [$PREFIX]"
  41         echo "  --sysconfdir=DIR read-only single-machine data [PREFIX/etc]"
  42         echo ""
  43         echo "By default, \`make install' will install all the files in"
  44         echo "\`$PREFIX/bin', \`$PREFIX/lib' etc.  You can specify"
  45         echo "an installation prefix other than \`$PREFIX' using \`--prefix',"
  46         echo "for instance \`--prefix=\$HOME'."
  47         echo ""
  48         echo "Optional Features:"
  49         echo "  --disable-libnl  Disable libnl support"
  50         echo "  --disable-geoip  Disable geoip support"
  51         echo "  --disable-zlib   Disable zlib support"
  52         echo "  --enable-debug   Enable debug mode (default disabled)"
  53         echo ""
  54         echo "Some influential environment variables:"
  55         echo "  CC               C compiler command"
  56         echo "  CROSS_COMPILE    C cross-compiler prefix"
  57
  58         exit 0
  59 }
  60
  61 while [ $# -gt 0 ] ; do
  62         case "$1" in
  63         -h|--help)
  64                 usage
  65                 ;;
  66         --prefix=*)
  67                 PREFIX="${1#*=}"
  68                 HAVE_PREFIX=1
  69                 ;;
  70         --sysconfdir=*)
  71                 SYSCONF_DIR="${1#*=}"
  72                 ;;
  73         --disable-libnl)
  74                 DISABLE_LIBNL=1
  75                 ;;
  76         --disable-geoip)
  77                 DISABLE_GEOIP=1
  78                 ;;
  79         --disable-zlib)
  80                 DISABLE_ZLIB=1
  81                 ;;
  82         --enable-debug)
  83                 ENABLE_DEBUG=1
  84                 ;;
  85         *)
  86                 echo "[!] Unrecognized option: '$1'. Try './configure --help' for more information"
  87                 exit 1
  88                 ;;
  89         esac
  90         shift
  91 done
  92
  93 [ -z "$CC" ] && CC="${CROSS_COMPILE}gcc"
  94 [ -z "$LD" ] && LD="${CROSS_COMPILE}gcc"
  95 if [ "x$SYSROOT" != "x" ] ; then
  96         PKG_CONFIG_PATH="$SYSROOT/usr/lib/pkgconfig:$PKG_CONFIG_PATH"
  97 fi
  98 [ -z $PKG_CONFIG ] && PKG_CONFIG="${CROSS_COMPILE}pkg-config"
  99
 100 TMPDIR=$(mktemp -d config.XXXXXX)
 101 trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM
 102
 103 tools_remove()
 104 {
 105         local _tools=$TOOLS
 106         local _todel=$1
 107         TOOLS=""
 108         for tool in $_tools ; do
 109                 case "$tool" in
 110                 $_todel)
 111                         case $_todel in
 112                         $TOOLS_NOBUILD) ;;
 113                         *) TOOLS_NOBUILD="$TOOLS_NOBUILD $tool" ;;
 114                         esac ;;
 115                 *) TOOLS="$TOOLS $tool" ;;
 116                 esac
 117         done
 118
 119         TOOLS=${TOOLS# }
 120         TOOLS_NOBUILD=${TOOLS_NOBUILD# }
 121 }
 122
 123 check_command()
 124 {
 125         local cmd="$1"
 126
 127         [ "x$(which "$cmd" 2>> config.log)" == "x" ]
 128 }
 129
 130 check_toolchain()
 131 {
 132         if [ "x$CROSS_COMPILE" != "x" ] ; then
 133                 echo "[*] Cross-compiling for $($CC -print-multiarch)"
 134                 echo "CROSS_COMPILE=$CROSS_COMPILE" >> Config
 135         fi
 136
 137         echo -n "[*] Checking compiler $CC ... "
 138         if check_command $CC ; then
 139                 echo "[NO]"
 140                 MISSING_TOOLCHAIN=1
 141         else
 142                 echo "[YES]"
 143                 echo "CC=$CC" >> Config
 144         fi
 145
 146         echo -n "[*] Checking linker $LD ... "
 147         if check_command $LD ; then
 148                 echo "[NO]"
 149                 MISSING_TOOLCHAIN=1
 150         else
 151                 echo "[YES]"
 152                 echo "LD=$LD" >> Config
 153         fi
 154
 155         echo -n "[*] Checking $PKG_CONFIG ... "
 156         if check_command $PKG_CONFIG ; then
 157                 echo "[NO]"
 158                 MISSING_TOOLCHAIN=1
 159         else
 160                 echo "[YES]"
 161                 echo "PKG_CONFIG=$PKG_CONFIG" >> Config
 162                 echo "PKG_CONFIG_PATH=$PKG_CONFIG_PATH" >> Config
 163         fi
 164 }
 165
 166 check_flex()
 167 {
 168         echo -n "[*] Checking flex ... "
 169
 170         if check_command flex ; then
 171                 echo "[NO]"
 172                 MISSING_DEFS=1
 173                 tools_remove "trafgen"
 174                 tools_remove "bpfc"
 175         else
 176                 echo "[YES]"
 177         fi
 178 }
 179
 180 check_bison()
 181 {
 182         echo -n "[*] Checking bison ... "
 183
 184         if check_command bison ; then
 185                 echo "[NO]"
 186                 MISSING_DEFS=1
 187                 tools_remove "trafgen"
 188                 tools_remove "bpfc"
 189         else
 190                 echo "[YES]"
 191         fi
 192 }
 193
 194 check_nacl()
 195 {
 196         echo -n "[*] Checking nacl ... "
 197
 198         cat > $TMPDIR/nacltest.c << EOF
 199 #include "crypto_hash_sha512.h"
 200 #include "crypto_verify_32.h"
 201 #include "crypto_hash_sha512.h"
 202 #include "crypto_box_curve25519xsalsa20poly1305.h"
 203 #include "crypto_scalarmult_curve25519.h"
 204 #include "crypto_auth_hmacsha512256.h"
 205
 206 int main(void) { }
 207 EOF
 208
 209         if [ -z $NACL_INC_DIR ] ; then
 210                 NACL_INC_DIR="$SYSROOT/usr/include/nacl"
 211         fi
 212
 213         if [ -z $NACL_LIB_DIR ] ; then
 214                 NACL_LIB_DIR="$SYSROOT/usr/lib"
 215         fi
 216
 217         if [ -z $NACL_LIB ] ; then
 218                 NACL_LIB="nacl"
 219         fi
 220
 221         LDFLAGS="-L $NACL_LIB_DIR"
 222         CFLAGS="-I $NACL_INC_DIR"
 223
 224         $CC $CFLAGS $LDFLAGS -o $TMPDIR/nacltest $TMPDIR/nacltest.c >> config.log 2>&1
 225         if [ ! -x $TMPDIR/nacltest ] ; then
 226                 echo "[NO]"
 227                 MISSING_NACL=1
 228                 tools_remove "curvetun"
 229         else
 230                 echo "[YES]"
 231                 echo "CONFIG_NACL_INC_DIR:=$NACL_INC_DIR" >> Config
 232                 echo "CONFIG_NACL_LIB_DIR:=$NACL_LIB_DIR" >> Config
 233                 echo "CONFIG_NACL_LIB:=$NACL_LIB" >> Config
 234         fi
 235 }
 236
 237 check_libnl()
 238 {
 239         echo -n "[*] Checking libnl ... "
 240
 241         if [ "$DISABLE_LIBNL" == "1" ] ; then
 242                 echo "[DISABLED]"
 243                 return
 244         fi
 245
 246         cat > $TMPDIR/libnltest.c << EOF
 247 #include <netlink/genl/genl.h>
 248 #include <netlink/genl/family.h>
 249 #include <netlink/genl/ctrl.h>
 250 #include <netlink/msg.h>
 251 #include <netlink/attr.h>
 252 #include <netlink/version.h>
 253
 254 #if LIBNL_VER_NUM < LIBNL_VER(3,0)
 255 # error incompatible libnl version
 256 #endif
 257
 258 int main(void)
 259 {
 260         struct nl_sock *sock = nl_socket_alloc();
 261         struct nl_cache *nl_cache;
 262         int ret = genl_connect(sock);
 263
 264         ret = genl_ctrl_alloc_cache(sock, &nl_cache);
 265 }
 266 EOF
 267
 268         $CC \
 269                 $($PKG_CONFIG --cflags libnl-3.0 2>> config.log) \
 270                 $($PKG_CONFIG --cflags libnl-genl-3.0 2>> config.log) \
 271                 -o $TMPDIR/libnltest \
 272                 $TMPDIR/libnltest.c \
 273                 $($PKG_CONFIG --libs libnl-3.0 2>> config.log) \
 274                 $($PKG_CONFIG --libs libnl-genl-3.0 2>> config.log) \
 275                         >> config.log 2>&1
 276         if [ ! -x $TMPDIR/libnltest ] ; then
 277                 echo "[NO]"
 278                 MISSING_DEFS=1
 279         else
 280                 echo "[YES]"
 281                 HAVE_LIBNL=1
 282         fi
 283 }
 284
 285 check_libnl_route()
 286 {
 287         echo -n "[*] Checking libnl-route ... "
 288
 289         if [ "$DISABLE_LIBNL" == "1" ] ; then
 290                 echo "[DISABLED]"
 291                 return
 292         fi
 293
 294         if [ "$HAVE_LIBNL" == "0" ] ; then
 295                 echo "[SKIPPED]"
 296                 return
 297         fi
 298
 299         cat > $TMPDIR/libnlroutetest.c << EOF
 300 #include <netlink/route/link.h>
 301 #include <netlink/route/addr.h>
 302
 303 int main(void)
 304 {
 305         char str[100];
 306
 307         rtnl_addr_flags2str(1, str, sizeof(str));
 308         rtnl_link_flags2str(1, str, sizeof(str));
 309         rtnl_link_operstate2str(1, str, sizeof(str));
 310
 311         return 0;
 312 }
 313 EOF
 314
 315         $CC \
 316                 $($PKG_CONFIG --cflags libnl-route-3.0 2>> config.log) \
 317                 -o $TMPDIR/libnlroutetest \
 318                 $TMPDIR/libnlroutetest.c \
 319                 $($PKG_CONFIG --libs libnl-route-3.0 2>> config.log) \
 320                         >> config.log 2>&1
 321         if [ ! -x $TMPDIR/libnlroutetest ] ; then
 322                 echo "[NO]"
 323                 MISSING_DEFS=1
 324                 HAVE_LIBNL=0
 325         else
 326                 echo "[YES]"
 327                 # HAVE_LIBNL already set by check_libnl()
 328         fi
 329 }
 330
 331 check_tpacket_v3()
 332 {
 333         echo -n "[*] Checking tpacket_v3 ... "
 334
 335         cat > $TMPDIR/tpacketv3test.c << EOF
 336 #include <stdio.h>
 337 #include <linux/if_packet.h>
 338
 339 int main(void)
 340 {
 341         struct tpacket3_hdr *hdr;
 342         int foo[] = {
 343                 TP_STATUS_BLK_TMO,
 344         };
 345
 346         printf("%d\n", hdr->tp_status);
 347 }
 348 EOF
 349
 350         $CC -o $TMPDIR/tpacketv3test $TMPDIR/tpacketv3test.c >> config.log 2>&1
 351         if [ ! -x $TMPDIR/tpacketv3test ] ; then
 352                 echo "[NO]"
 353                 MISSING_DEFS=1
 354         else
 355                 echo "[YES]"
 356                 HAVE_TPACKET3=1
 357         fi
 358 }
 359
 360 check_tpacket_v2()
 361 {
 362         echo -n "[*] Checking tpacket_v2 ... "
 363
 364         cat > $TMPDIR/tpacketv2test.c << EOF
 365 #include <stdio.h>
 366 #include <linux/if_packet.h>
 367
 368 int main(void)
 369 {
 370         struct tpacket2_hdr *hdr;
 371         int foo[] = {
 372                 TP_STATUS_AVAILABLE,
 373                 TP_STATUS_SEND_REQUEST,
 374                 TP_STATUS_SENDING,
 375                 TP_STATUS_KERNEL,
 376                 TP_STATUS_USER,
 377         };
 378
 379         printf("%d\n", hdr->tp_status);
 380 }
 381 EOF
 382
 383         $CC -o $TMPDIR/tpacketv2test $TMPDIR/tpacketv2test.c >> config.log 2>&1
 384         if [ ! -x $TMPDIR/tpacketv2test ] ; then
 385                 echo "[NO]"
 386                 MISSING_DEFS=1
 387                 tools_remove "netsniff-ng"
 388                 tools_remove "trafgen"
 389         else
 390                 echo "[YES]"
 391         fi
 392 }
 393
 394
 395 check_ncurses()
 396 {
 397         echo -n "[*] Checking ncurses ... "
 398
 399         cat > $TMPDIR/ncursestest.c << EOF
 400 #include <curses.h>
 401
 402 int main(void)
 403 {
 404         WINDOW *screen = initscr();
 405 }
 406 EOF
 407
 408         $CC \
 409                 $($PKG_CONFIG --cflags ncurses 2>> config.log) \
 410                 -o $TMPDIR/ncursestest $TMPDIR/ncursestest.c \
 411                 $($PKG_CONFIG --libs ncurses 2>> config.log \
 412                   || echo '-lncurses' ) \
 413                         >> config.log 2>&1
 414         if [ ! -x $TMPDIR/ncursestest ] ; then
 415                 echo "[NO]"
 416                 MISSING_DEFS=1
 417                 tools_remove "flowtop"
 418                 tools_remove "ifpps"
 419         else
 420                 echo "[YES]"
 421         fi
 422 }
 423
 424 check_libgeoip()
 425 {
 426         echo -n "[*] Checking libGeoIP ... "
 427
 428         if [ "$DISABLE_GEOIP" == "1" ] ; then
 429                 echo "[DISABLED]"
 430                 return
 431         fi
 432
 433         cat > $TMPDIR/geoiptest.c << EOF
 434 #include <GeoIP.h>
 435 #include <GeoIPCity.h>
 436
 437 int main(void)
 438 {
 439         int dbs[] = {
 440                 GEOIP_CITY_EDITION_REV1,
 441                 GEOIP_CITY_EDITION_REV1_V6,
 442                 GEOIP_COUNTRY_EDITION,
 443                 GEOIP_COUNTRY_EDITION_V6,
 444                 GEOIP_ASNUM_EDITION,
 445                 GEOIP_ASNUM_EDITION_V6,
 446         };
 447         GeoIP *geoip = GeoIP_new(0);
 448 }
 449 EOF
 450
 451         $CC -o $TMPDIR/geoiptest $TMPDIR/geoiptest.c -lGeoIP >> config.log 2>&1
 452         if [ ! -x $TMPDIR/geoiptest ] ; then
 453                 echo "[NO]"
 454                 MISSING_DEFS=1
 455         else
 456                 echo "[YES]"
 457                 HAVE_LIBGEOIP=1
 458         fi
 459 }
 460
 461 check_libnf_ct()
 462 {
 463         echo -n "[*] Checking libnetfilter-conntrack ... "
 464
 465         cat > $TMPDIR/nfcttest.c << EOF
 466 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
 467 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h>
 468 #include <libnetfilter_conntrack/libnetfilter_conntrack_dccp.h>
 469 #include <libnetfilter_conntrack/libnetfilter_conntrack_sctp.h>
 470
 471 int main(void)
 472 {
 473         struct nf_conntrack *ct;
 474         const uint32_t id = nfct_get_attr_u32(ct, ATTR_ID);
 475 }
 476 EOF
 477
 478         $CC \
 479                 $($PKG_CONFIG --cflags libnetfilter_conntrack 2>> config.log) \
 480                 -o $TMPDIR/nfcttest \
 481                 $TMPDIR/nfcttest.c \
 482                 $($PKG_CONFIG --libs libnetfilter_conntrack 2>> config.log) \
 483                         >> config.log 2>&1
 484         if [ ! -x $TMPDIR/nfcttest ] ; then
 485                 echo "[NO]"
 486                 MISSING_DEFS=1
 487                 tools_remove "flowtop"
 488         else
 489                 echo "[YES]"
 490         fi
 491 }
 492
 493 check_zlib()
 494 {
 495         echo -n "[*] Checking libz ... "
 496
 497         if [ "$DISABLE_ZLIB" == "1" ] ; then
 498                 echo "[DISABLED]"
 499                 return
 500         fi
 501
 502         cat > $TMPDIR/ztest.c << EOF
 503 #include "zlib.h"
 504
 505 int main(void)
 506 {
 507         gzFile fp = gzopen("foo.gz", "rb");
 508 }
 509 EOF
 510
 511         $CC -o $TMPDIR/ztest $TMPDIR/ztest.c -lz >> config.log 2>&1
 512         if [ ! -x $TMPDIR/ztest ] ; then
 513                 echo "[NO]"
 514                 echo "CONFIG_LIBZ=0" >> Config
 515                 MISSING_DEFS=1
 516                 tools_remove "astraceroute"
 517                 tools_remove "flowtop"
 518         else
 519                 echo "[YES]"
 520                 echo "CONFIG_LIBZ=1" >> Config
 521                 HAVE_LIBZ=1
 522         fi
 523 }
 524
 525 check_urcu()
 526 {
 527         echo -n "[*] Checking liburcu ... "
 528
 529         cat > $TMPDIR/urcutest.c << EOF
 530 #include <urcu.h>
 531
 532 int main(void)
 533 {
 534         rcu_init();
 535         synchronize_rcu();
 536 }
 537 EOF
 538
 539         $CC -o $TMPDIR/urcutest $TMPDIR/urcutest.c -lurcu >> config.log 2>&1
 540         if [ ! -x $TMPDIR/urcutest ] ; then
 541                 echo "[NO]"
 542                 MISSING_DEFS=1
 543                 tools_remove "flowtop"
 544         else
 545                 echo "[YES]"
 546         fi
 547 }
 548
 549 check_libpcap()
 550 {
 551         echo -n "[*] Checking libpcap ... "
 552
 553         cat > $TMPDIR/pcaptest.c << EOF
 554 #include <pcap.h>
 555
 556 int main(void)
 557 {
 558         struct bpf_program bpf;
 559         int ret = pcap_compile_nopcap(65535, 1, &bpf, "foo.bpf", 1, 0xffffffff);
 560 }
 561 EOF
 562
 563         $CC -o $TMPDIR/pcaptest $TMPDIR/pcaptest.c -lpcap >> config.log 2>&1
 564         if [ ! -x $TMPDIR/pcaptest ] ; then
 565                 echo "[NO]"
 566                 echo "CONFIG_LIBPCAP=0" >> Config
 567                 MISSING_DEFS=1
 568                 tools_remove "mausezahn"
 569         else
 570                 echo "[YES]"
 571                 echo "CONFIG_LIBPCAP=1" >> Config
 572                 HAVE_LIBPCAP=1
 573         fi
 574 }
 575
 576 check_hwtstamp()
 577 {
 578         echo -n "[*] Checking hw timestamping ... "
 579
 580         cat > $TMPDIR/hwtstest.c << EOF
 581 #include <string.h>
 582 #include <arpa/inet.h>
 583 #include <sys/ioctl.h>
 584 #include <sys/types.h>
 585 #include <sys/socket.h>
 586 #include <linux/sockios.h>
 587 #include <linux/net_tstamp.h>
 588 #include <linux/if_packet.h>
 589 #include <linux/if_ether.h>
 590 #include <linux/if.h>
 591
 592 int main(void)
 593 {
 594         int timesource = SOF_TIMESTAMPING_RAW_HARDWARE, ret;
 595         int sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
 596         struct hwtstamp_config hwconfig;
 597         struct ifreq ifr;
 598
 599         memset(&hwconfig, 0, sizeof(hwconfig));
 600         hwconfig.tx_type = HWTSTAMP_TX_OFF;
 601         hwconfig.rx_filter = HWTSTAMP_FILTER_ALL;
 602
 603         memset(&ifr, 0, sizeof(ifr));
 604         strncpy(ifr.ifr_name, "lo", sizeof(ifr.ifr_name));
 605         ifr.ifr_data = &hwconfig;
 606
 607         ioctl(sock, SIOCSHWTSTAMP, &ifr);
 608         setsockopt(sock, SOL_PACKET, PACKET_TIMESTAMP, &timesource,
 609                    sizeof(timesource));
 610 }
 611 EOF
 612
 613         $CC -o $TMPDIR/hwtstest $TMPDIR/hwtstest.c >> config.log 2>&1
 614         if [ ! -x $TMPDIR/hwtstest ] ; then
 615                 echo "[NO]"
 616                 echo "CONFIG_HWTSTAMP=0" >> Config
 617         else
 618                 echo "[YES]"
 619                 echo "CONFIG_HWTSTAMP=1" >> Config
 620                 HAVE_HWTSTAMP=1
 621         fi
 622 }
 623
 624 check_libcli()
 625 {
 626         echo -n "[*] Checking libcli ... "
 627
 628         cat > $TMPDIR/clitest.c << EOF
 629 #include <sys/time.h>
 630 #include <libcli.h>
 631
 632 int main(void)
 633 {
 634         struct cli_def *cli = cli_init();
 635 }
 636 EOF
 637
 638         $CC -o $TMPDIR/clitest $TMPDIR/clitest.c -lcli >> config.log 2>&1
 639         if [ ! -x $TMPDIR/clitest ] ; then
 640                 echo "[NO]"
 641                 MISSING_DEFS=1
 642                 tools_remove "mausezahn"
 643         else
 644                 echo "[YES]"
 645         fi
 646 }
 647
 648 check_libnet()
 649 {
 650         echo -n "[*] Checking libnet ... "
 651
 652         cat > $TMPDIR/nettest.c << EOF
 653 #include <libnet.h>
 654
 655 int main(void)
 656 {
 657         char err_buf[LIBNET_ERRBUF_SIZE];
 658         libnet_t *l = libnet_init(LIBNET_LINK_ADV, "ethX", err_buf);
 659 }
 660 EOF
 661
 662         $CC -o $TMPDIR/nettest $TMPDIR/nettest.c -lnet >> config.log 2>&1
 663         if [ ! -x $TMPDIR/nettest ] ; then
 664                 echo "[NO]"
 665                 MISSING_DEFS=1
 666                 tools_remove "mausezahn"
 667         else
 668                 echo "[YES]"
 669         fi
 670 }
 671
 672 gen_version_appendix()
 673 {
 674         local _appendix=""
 675
 676         git rev-parse > /dev/null 2>&1
 677         if [ "$?" == "0" ] ; then
 678                 if [ ! "`git describe --always`" == \
 679                        "`git describe --abbrev=0 --tags`" ] ; then
 680                         _appendix="+"
 681                 fi
 682         fi
 683
 684         echo "CONFIG_RC=\"$_appendix\"" >> Config
 685 }
 686
 687 gen_config_hdr()
 688 {
 689         local _version=""
 690         local _have_libpcap=""
 691         local _have_libgeoip=""
 692         local _have_libnl=""
 693         local _have_libz=""
 694         local _have_hwts=""
 695         local _have_tp3=""
 696
 697         echo "[*] Generating config.h ..."
 698
 699         git rev-parse > /dev/null 2>&1
 700         if [ "$?" == "0" ] ; then
 701                 _version="`git describe --always`"
 702         else
 703                 _version="(none)"
 704         fi
 705
 706         if [ "$HAVE_LIBNL" == "1" ] ; then
 707                 _have_libnl="#define HAVE_LIBNL 1"
 708         else
 709                 _have_libnl="/* HAVE_LIBNL is not defined */"
 710         fi
 711
 712         if [ "$HAVE_LIBPCAP" == "1" ] ; then
 713                 _have_libpcap="#define HAVE_TCPDUMP_LIKE_FILTER 1"
 714         else
 715                 _have_libpcap="/* HAVE_TCPDUMP_LIKE_FILTER is not defined */"
 716         fi
 717
 718         if [ "$HAVE_HWTSTAMP" == "1" ] ; then
 719                 _have_hwts="#define HAVE_HARDWARE_TIMESTAMPING 1"
 720         else
 721                 _have_hwts="/* HAVE_HARDWARE_TIMESTAMPING is not defined */"
 722         fi
 723
 724         if [ "$HAVE_LIBGEOIP" == "1" ] ; then
 725                 _have_libgeoip="#define HAVE_GEOIP 1"
 726         else
 727                 _have_libgeoip="/* HAVE_GEOIP is not defined */"
 728         fi
 729
 730         if [ "$HAVE_LIBZ" == "1" ] ; then
 731                 _have_libz="#define HAVE_LIBZ 1"
 732         else
 733                 _have_libz="/* HAVE_LIBZ is not defined */"
 734         fi
 735
 736         if [ "$HAVE_TPACKET3" == "1" ] ; then
 737                 _have_tp3="#define HAVE_TPACKET3 1"
 738         else
 739                 _have_tp3="/* HAVE_TPACKET3 is not defined */"
 740         fi
 741
 742         cat > config.h << EOF
 743 #ifndef CONFIG_H
 744 #define CONFIG_H
 745 #define FILE_CLIENTS ".curvetun/clients"
 746 #define FILE_SERVERS ".curvetun/servers"
 747 #define FILE_PRIVKEY ".curvetun/priv.key"
 748 #define FILE_PUBKEY ".curvetun/pub.key"
 749 #define FILE_USERNAM ".curvetun/username"
 750 #define GITVERSION "$_version"
 751 $_have_libnl
 752 $_have_libpcap
 753 $_have_libgeoip
 754 $_have_libz
 755 $_have_hwts
 756 $_have_tp3
 757 #endif /* CONFIG_H */
 758 EOF
 759 }
 760
 761 rm -f config.log
 762
 763 echo "# This file is autogenerated by the configure script" > Config
 764 check_toolchain
 765
 766 if [ "$MISSING_TOOLCHAIN" == "1" ] ; then
 767         echo "[!] One or more of the toolchain tools couldn't be found in your"
 768         echo "    \$PATH. Please check the file config.log for details."
 769         exit 1
 770 fi
 771
 772 check_flex
 773 check_bison
 774 check_nacl
 775 check_libnl
 776 check_libnl_route
 777 check_tpacket_v2
 778 check_tpacket_v3
 779 check_libnf_ct
 780 check_ncurses
 781 check_libgeoip
 782 check_zlib
 783 check_urcu
 784 check_libpcap
 785 check_hwtstamp
 786 check_libcli
 787 check_libnet
 788
 789 gen_config_hdr
 790 gen_version_appendix
 791
 792 if [ "$MISSING_DEFS" == "1" ] ; then
 793         echo "[!] Some libraries or header definitions are missing or too old. Thus"
 794         echo "    certain tools will not be built (see below). Please refer to the"
 795         echo "    INSTALL file for the libraries needed to build the complete"
 796         echo "    netsniff-ng toolkit."
 797 fi
 798
 799 if [ "$MISSING_NACL" == "1" ] ; then
 800         echo "[!] The NaCl crypto library is currently not present on your system or"
 801         echo "    could not be found. Either install it from your distro or build it"
 802         echo "    manually using 'make nacl' and make sure that the NACL_INC_DIR and"
 803         echo "    NACL_LIB_DIR environment variables are set appropriately."
 804 fi
 805
 806 if [ "x$TOOLS_NOBUILD" != "x" ] ; then
 807         echo "[!] The following tools will *not* be built: $TOOLS_NOBUILD"
 808         echo "[*] The following tools will be built: $TOOLS"
 809 else
 810         echo "[*] Looks good! All tools will be built!"
 811 fi
 812
 813 if [ -s config.log ] ; then
 814         echo "[!] There were errors in the configure script. Please check the file"
 815         echo "    config.log for details."
 816 fi
 817
 818 echo "CONFIG_LIBNL=$HAVE_LIBNL" >> Config
 819
 820 if [ "$HAVE_LIBGEOIP" == "1" -a "$HAVE_LIBZ" == "1"  ] ; then
 821         echo "CONFIG_GEOIP=1" >> Config
 822 else
 823         echo "CONFIG_GEOIP=0" >> Config
 824 fi
 825
 826 if [ "$HAVE_PREFIX" == "1" ] ; then
 827         echo "PREFIX=$PREFIX" >> Config
 828 fi
 829
 830 if [ ! -z $SYSCONF_DIR ] ; then
 831         echo "ETCDIR=$SYSCONF_DIR" >> Config
 832 fi
 833
 834 echo "CONFIG_DEBUG=$ENABLE_DEBUG" >> Config
 835 echo "CONFIG_TOOLS=$TOOLS" >> Config
 836 echo "CONFIG_OK=1" >> Config
 837
 838 exit 0