configure.ac

   1 # This file is part of GNUnet.
   2 # (C) 2001--2019 GNUnet e.V.
   3 #
   4 # GNUnet is free software: you can redistribute it and/or modify it
   5 # under the terms of the GNU Affero General Public License as published
   6 # by the Free Software Foundation, either version 3 of the License,
   7 # or (at your option) any later version.
   8 #
   9 # GNUnet is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17 # SPDX-License-Identifier: AGPL3.0-or-later
  18 #
  19 # Process this file with autoconf to produce a configure script.
  20 #
  21 #
  22 AC_PREREQ(2.61)
  23 # Checks for programs.
  24 AC_INIT([gnunet], [0.12.2], [bug-gnunet@gnu.org])
  25 AC_CONFIG_AUX_DIR([build-aux])
  26
  27 # check for legacy option that is no longer supported (#5627) and fail hard
  28 AC_ARG_WITH(nssdir,
  29    [  --with-nssdir=DIR    legacy switch, no longer supported, do not use],
  30    [AC_MSG_RESULT([$with_nssdir])
  31     AS_CASE([$with_nssdir],
  32       [no],[],
  33       [AC_MSG_ERROR([--with-nssdir is no longer supported])])
  34    ])
  35
  36 AC_CANONICAL_TARGET
  37 AC_CANONICAL_HOST
  38 AC_CANONICAL_SYSTEM
  39 AM_INIT_AUTOMAKE
  40 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], [AM_DEFAULT_VERBOSITY=1 AC_SUBST(AM_DEFAULT_VERBOSITY)])
  41 AC_CONFIG_HEADERS([gnunet_config.h])
  42 AH_TOP([#define _GNU_SOURCE  1])
  43 AC_CONFIG_MACRO_DIR([m4])
  44 AC_PROG_AWK
  45 AC_PROG_CC_C99
  46 AC_PROG_OBJC
  47 AC_PROG_INSTALL
  48 AC_PROG_LN_S
  49 AC_PROG_MAKE_SET
  50 AM_PROG_CC_C_O
  51 LT_INIT([disable-static dlopen])
  52 AC_SUBST(MKDIR_P)
  53
  54 # allow for different autotools
  55 AS_AUTOTOOLS_ALTERNATE
  56
  57 # large file support
  58 AC_SYS_LARGEFILE
  59 AC_FUNC_FSEEKO
  60
  61
  62 CFLAGS="-Wall $CFLAGS"
  63 AC_MSG_CHECKING(whether cc can use -fno-strict-aliasing)
  64 # use '-fno-strict-aliasing', but only if the compiler can take it
  65 AS_IF([$CC -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1],
  66  [CFLAGS="-fno-strict-aliasing $CFLAGS"])
  67
  68 # A helper which allows us to check cflags if compiler
  69 AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
  70   AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
  71     [ac_save_CFLAGS="$CFLAGS"
  72      CFLAGS="$CFLAGS $1 -Werror"
  73      AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
  74        [eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
  75        [eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
  76      CFLAGS="$ac_save_CFLAGS"
  77     ])
  78
  79   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
  80     [$2], [$3])
  81 ])
  82
  83
  84 # CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found])
  85 # Check for CFLAG and appends them to CFLAGS if supported
  86 AC_DEFUN([CC_CHECK_CFLAG_APPEND], [
  87   AC_CACHE_CHECK([if $CC supports -Wno-$1 flag],
  88     AS_TR_SH([cc_cv_cflags_-W$1]),
  89     CC_CHECK_CFLAGS_SILENT([-W$1]) #gcc is stupid. It does not fail with the -W-no option for backwards compat but then shows the error "in case something goes wrong".
  90   )
  91
  92   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_-W$1])[ = xyes],
  93     [CFLAGS="$CFLAGS -Wno-$1"; $2], [$3])
  94 ])
  95
  96
  97 # We make heavy use of this, llvm/gcc and gcc-9 give warnings so disable.
  98 CC_CHECK_CFLAG_APPEND([address-of-packed-member])
  99
 100 # Use Linux interface name unless the OS has a different preference
 101 DEFAULT_INTERFACE="\"eth0\""
 102
 103 funcstocheck="getnameinfo gethostname gethostbyname gethostbyaddr getaddrinfo getaddrinfo_a"
 104
 105 # Srcdir in a form that native compiler understands (i.e. DOS path on W32)
 106 native_srcdir=$srcdir
 107
 108 OLD_LDFLAGS="$LDFLAGS"
 109 LDFLAGS="$LDFLAGS -Wl,--unresolved-symbols=report-all"
 110
 111 # Check system type
 112 AS_CASE(["$host_os"],
 113   [*darwin* | *rhapsody* | *macosx*],[
 114      AC_DEFINE_UNQUOTED(DARWIN,1,[This is an Apple Darwin system])
 115      CPPFLAGS="-D_APPLE_C_SOURCE $CPPFLAGS"
 116      CFLAGS="-fno-common $CFLAGS"
 117      LDFLAGS="$OLD_LDFLAGS"
 118      AC_MSG_WARN([WARNING: The VPN application cannot be compiled on your OS])
 119      AC_CHECK_LIB(intl, gettext)
 120      build_target="darwin"
 121      DEFAULT_INTERFACE="\"en0\""
 122      LIBPREFIX=
 123      DLLDIR=lib
 124      UNIXONLY="#"
 125   ],
 126   [linux*],[
 127      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 128      build_target="linux"
 129      LIBPREFIX=
 130      DLLDIR=lib
 131      UNIXONLY="#"
 132      AC_PATH_XTRA
 133   ],
 134   [*freebsd*],[
 135      CFLAGS="-D_THREAD_SAFE $CFLAGS"
 136      build_target="freebsd"
 137      LIBPREFIX=
 138      DLLDIR=lib
 139      UNIXONLY="#"
 140   ],
 141   [*openbsd*],[
 142      LIBS=`echo $LIBS | sed -e "s/-ldl//"`
 143      build_target="openbsd"
 144      use_openbsd_libtool=true
 145      LIBPREFIX=
 146      DLLDIR=lib
 147      UNIXONLY="#"
 148   ],
 149   [*netbsd*],[
 150      build_target="netbsd"
 151      LIBPREFIX=
 152      DLLDIR=lib
 153      UNIXONLY="#"
 154   ],
 155   [*solaris*],[
 156      AC_DEFINE_UNQUOTED(SOLARIS,1,[This is a Solaris system])
 157      AC_DEFINE_UNQUOTED(_REENTRANT,1,[Need with solaris or errno doesnt work])
 158      AC_CHECK_LIB(resolv, res_init)
 159      AC_CHECK_LIB(rt, nanosleep)
 160      build_target="solaris"
 161      LIBPREFIX=
 162      DLLDIR=lib
 163      UNIXONLY="#"
 164   ],
 165   [*arm-linux*],[
 166      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 167      CFLAGS="-D_REENTRANT -fPIC -pipe $CFLAGS"
 168      build_target="linux"
 169      LIBPREFIX=
 170      DLLDIR=lib
 171      UNIXONLY="#"
 172   ],
 173   [gnu*],[
 174      AC_DEFINE_UNQUOTED(GNU,1,[This is a GNU system])
 175      build_target="gnu"
 176      UNIXONLY="#"
 177   ],
 178   [
 179      AC_MSG_RESULT(Unrecognised OS $host_os)
 180      AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
 181      UNIXONLY=""
 182 ])
 183 AC_DEFINE_UNQUOTED([GNUNET_DEFAULT_INTERFACE], $DEFAULT_INTERFACE, [This should be the default choice for the name of the first network interface])
 184 AC_SUBST(DEFAULT_INTERFACE)
 185
 186 # Disable TCP-based IPC on systems that support UNIX domain
 187 # sockets in default configuratin:
 188 AC_SUBST(UNIXONLY)
 189
 190
 191 AC_MSG_CHECKING([for build target])
 192 AM_CONDITIONAL(DARWIN,  test "$build_target" = "darwin")
 193 AM_CONDITIONAL(SOLARIS, test "$build_target" = "solaris")
 194 AM_CONDITIONAL(XNETBSD, test "$build_target" = "netbsd")
 195 AM_CONDITIONAL(XFREEBSD, test "$build_target" = "freebsd")
 196 AM_CONDITIONAL(OPENBSD, test "$build_target" = "openbsd")
 197 # FIXME: We need a define BSD for some binaries like we
 198 # need define LINUX for some. This does not scale, how
 199 # can we solve this better?
 200 AM_CONDITIONAL(XBSD, test "$build_target" = "netbsd" -o "$build_target" = "freebsd" -o "$build_target" = "openbsd")
 201 AM_CONDITIONAL(LINUX, test "$build_target" = "linux")
 202 AM_CONDITIONAL(GNU, test "$build_target" = "gnu")
 203
 204 AC_MSG_RESULT([$build_target])
 205 AC_SUBST(build_target)
 206 AM_CONDITIONAL([am__fastdepOBJC], false)
 207 AC_UNALIGNED_64_ACCESS
 208
 209 # some other checks for standard libs
 210 AC_SEARCH_LIBS([gethostbyname], [nsl ws2_32])
 211 AC_SEARCH_LIBS([memrchr], [],
 212                AC_DEFINE(HAVE_MEMRCHR,1,[memrchr supported]), [])
 213 AC_SEARCH_LIBS([memset_s], [],
 214                AC_DEFINE(HAVE_MEMSET_S,1,[memset_s supported]), [])
 215 AC_SEARCH_LIBS([explicit_bzero], [],
 216                AC_DEFINE(HAVE_EXPLICIT_BZERO,1,[explicit_bzero supported]), [])
 217 AC_CHECK_LIB(socket, socket)
 218 AC_CHECK_LIB(m, log)
 219 AC_CHECK_LIB(c, getloadavg, AC_DEFINE(HAVE_GETLOADAVG,1,[getloadavg supported]))
 220
 221 AC_CHECK_PROG(VAR_GETOPT_BINARY, getopt, true, false)
 222 AM_CONDITIONAL(HAVE_GETOPT_BINARY, $VAR_GETOPT_BINARY)
 223
 224 AC_CHECK_PROGS(PKG_CONFIG, [pkgconf, pkg-config], false)
 225 AM_CONDITIONAL(HAVE_PKG_CONFIG, test x$PKG_CONFIG != xfalse)
 226
 227 AC_CHECK_PROG(VAR_SSH_BINARY, ssh, true, false)
 228 AM_CONDITIONAL(HAVE_SSH_BINARY, $VAR_SSH_BINARY)
 229 AC_MSG_CHECKING(for SSH key)
 230   AM_CONDITIONAL(HAVE_SSH_KEY,  ssh -D 12345 -o "BatchMode yes" -o "UserKnownHostsFile /tmp/gnunet_test_cosks_ssh_garbage" -o "StrictHostKeyChecking no" 127.0.0.1 echo -n)
 231   if test -f /tmp/gnunet_test_cosks_ssh_garbage; then
 232      rm -f /tmp/gnunet_test_cosks_ssh_garbage
 233   fi
 234
 235
 236 # autotools' m4 for python has no maximum version!
 237 # python3.4 - python3.8 for tests (3.8 unchecked)
 238 # TODO: document how to override the lowest version
 239 # TODO: found by this.
 240 m4_define_default([_AM_PYTHON_INTERPRETER_LIST],[python3 python3.4 python3.5 python3.6 python3.7 python3.8 python])
 241 AM_PATH_PYTHON([3.4],, [:])
 242 AC_SUBST([PYTHON])
 243 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
 244
 245
 246 # perl
 247 AC_PATH_PROG( PERL, perl, ,
 248               $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
 249 AC_SUBST([PERL])
 250 AM_CONDITIONAL([HAVE_PERL], [test -x "$PERL"])
 251 AS_IF([test -x "$PERL"],
 252   [AC_DEFINE_UNQUOTED([HAVE_PERL], [1], [Path to Perl])],
 253   [AC_DEFINE_UNQUOTED([HAVE_PERL], [0], [Path to Perl])])
 254
 255 # awk
 256 AC_PATH_PROGS( AWK_BINARY, [awk gawk], ,$PATH:/usr/bin/:/usr/local/bin )
 257 AC_SUBST([AWK_BINARY])
 258 AM_CONDITIONAL([HAVE_AWK], [test -x "$AWK_BINARY"])
 259 AS_IF([test -x "$AWK_BINARY"],
 260   [AC_DEFINE_UNQUOTED([HAVE_AWK], [1], [Path to awk])],
 261   [AC_DEFINE_UNQUOTED([HAVE_AWK], [0], [Path to awk])])
 262
 263 # should we install gnunet-logread?
 264 AC_MSG_CHECKING(whether to install gnunet-logread)
 265 AC_ARG_WITH([gnunet-logread],
 266               [AS_HELP_STRING([--with-gnunet-logread],
 267                               [Install gnunet-logread])],
 268               [logread=${withval}],
 269               [logread=no])
 270 AC_MSG_RESULT($logread)
 271 AS_IF([test "x$logread" = "xyes"],
 272       [AM_CONDITIONAL([GNUNET_LOGREAD], true)
 273        AC_DEFINE([GNUNET_LOGREAD],
 274                  [1],
 275                  [Installing gnunet-logread])],
 276       [AM_CONDITIONAL([GNUNET_LOGREAD],
 277                       false)
 278        AC_DEFINE([GNUNET_LOGREAD],
 279                  [0],
 280                  [Not installing gnunet-logread])])
 281
 282 # iptables is a soft requirement to run tests
 283 AC_PATH_TARGET_TOOL(VAR_IPTABLES_BINARY, iptables, false)
 284
 285 AS_IF([test x"$VAR_IPTABLES_BINARY" = x"false"],
 286  [AS_IF([test -x "/sbin/iptables"],
 287    [VAR_IPTABLES_BINARY="/sbin/iptables"],
 288    [AS_IF([test -x "/usr/sbin/iptables"],
 289       [VAR_IPTABLES_BINARY="/usr/sbin/iptables"])])])
 290
 291 AS_IF([test x"$VAR_IPTABLES_BINARY" != x"false"],
 292  [AC_DEFINE_UNQUOTED([IPTABLES], "$VAR_IPTABLES_BINARY", [Path to iptables])],
 293  [AC_MSG_WARN([warning: 'iptables' not found.])])
 294
 295 # ip6tables is a soft requirement for some features
 296 AC_PATH_TARGET_TOOL(VAR_IP6TABLES_BINARY, ip6tables, false)
 297
 298 AS_IF([test x"$VAR_IP6TABLES_BINARY" = x"false"],
 299   [AS_IF([test -x "/sbin/ip6tables"],
 300      [VAR_IP6TABLES_BINARY="/sbin/ip6tables"],
 301      [AS_IF([test -x "/usr/sbin/ip6tables"],
 302         [VAR_IP6TABLES_BINARY="/usr/sbin/ip6tables"])])])
 303
 304
 305 AS_IF([test x"$VAR_IP6TABLES_BINARY" != x"false"],
 306   [AC_DEFINE_UNQUOTED([IP6TABLES], "$VAR_IP6TABLES_BINARY", [Path to ip6tables])],
 307   [AC_MSG_WARN([warning: 'ip6tables' not found.])])
 308
 309 # ip is a soft requirement for some features
 310 AC_PATH_TARGET_TOOL(VAR_IP_BINARY, ip, false)
 311
 312 AS_IF([test x"$VAR_IP_BINARY" = x"false"],
 313  [AS_IF([test -x "/sbin/ip"],
 314    [VAR_IP_BINARY="/sbin/ip"],
 315    [AS_IF([test -x "/usr/sbin/ip"],
 316           [VAR_IP_BINARY="/usr/sbin/ip"])])])
 317
 318 AS_IF([test x"$VAR_IP_BINARY" != x"false"],
 319  [AC_DEFINE_UNQUOTED([PATH_TO_IP], "$VAR_IP_BINARY", [Path to ip])],
 320  [AC_MSG_WARN([warning: 'ip' not found.])])
 321
 322 # locate 'ifconfig'
 323 AC_PATH_TARGET_TOOL(VAR_IFCONFIG_BINARY, ifconfig, false)
 324
 325 AC_CHECK_PROG(VAR_IFCONFIG_BINARY, ifconfig, true, false)
 326 AS_IF([test x"$VAR_IFCONFIG_BINARY" = x"false"],
 327   [AS_IF([test -x "/sbin/ifconfig"],
 328      [VAR_IFCONFIG_BINARY="/sbin/ifconfig"],
 329      [AS_IF([test -x "/usr/sbin/ifconfig"],
 330             [VAR_IFCONFIG_BINARY="/usr/sbin/ifconfig"])])])
 331
 332 AS_IF([test x"$VAR_IFCONFIG_BINARY" != x"false"],
 333   [AC_DEFINE_UNQUOTED([IFCONFIG], "$VAR_IFCONFIG_BINARY", [Path to ifconfig])],
 334   [AC_MSG_WARN(['ifconfig' not found.])])
 335
 336
 337 # Test if 'adduser' binary exists
 338 MSG_USER_SETUP=true
 339 AC_PATH_PROG([MSG_USER_SETUP],
 340   [adduser],
 341   false,
 342   [path=$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
 343
 344 # Test if 'gnunet' user and the groups exist
 345 getent passwd gnunet > /dev/null
 346 HAVE_GNUNET_USER=$?
 347 getent group gnunet > /dev/null
 348 AS_IF([test x$? != x0],
 349       [HAVE_GNUNET_USER=1])
 350 getent group gnunetdns > /dev/null
 351 AS_IF([test x$? != x0],
 352       [HAVE_GNUNET_USER=1])
 353
 354 AC_PATH_TARGET_TOOL(VAR_SYSCTL_BINARY, sysctl, false)
 355
 356 AC_CHECK_PROG(VAR_SYSCTL_BINARY, sysctl, true, false)
 357 AS_IF([test x"$VAR_SYSCTL_BINARY" = x"false"],
 358       [AS_IF([test -x "/sbin/sysctl"],
 359              [VAR_SYSCTL_BINARY="/sbin/sysctl"],
 360              [AS_IF([test -x "/usr/sbin/sysctl"],
 361                     [VAR_SYSCTL_BINARY="/usr/sbin/sysctl"])])])
 362 AS_IF([test x"$VAR_SYSCTL_BINARY" != x"false"],
 363       [AC_DEFINE_UNQUOTED([SYSCTL], "$VAR_SYSCTL_BINARY", [Path to sysctl])],
 364       [AC_MSG_WARN(['sysctl' not found.])])
 365
 366 # miniupnpc / upnpc binary is a soft runtime requirement
 367 AC_PATH_TARGET_TOOL(VAR_UPNPC_BINARY, upnpc, false)
 368
 369 AS_IF([test x"$VAR_UPNPC_BINARY" != x"false"],
 370   [AC_DEFINE_UNQUOTED([UPNPC], "$VAR_UPNPC_BINARY", [Path to upnpc binary])],
 371   [AC_MSG_WARN([warning: 'upnpc' binary not found.])])
 372
 373
 374 # checkbashisms
 375 AC_CHECK_PROGS(CHECKBASHISMS_BINARY, [checkbashisms checkbashisms.pl], false)
 376 AM_CONDITIONAL(HAVE_CHECKBASHISMS, test x$CHECKBASHISMS_BINARY != xfalse)
 377
 378 # uncrustify
 379 # TODO: maybe add flag to pass location
 380 AC_CHECK_PROG(UNCRUSTIFY_BINARY, uncrustify, true)
 381 AM_CONDITIONAL(HAVE_UNCRUSTIFY_BINARY, $UNCRUSTIFY_BINARY)
 382
 383 # yapf
 384 # TODO: less repetition, add flag to pass name
 385 AC_CHECK_PROGS(YAPF_BINARY, [yapf yapf3.0 yapf3.1 yapf3.2 yapf3.3 yapf3.4 yapf3.5 yapf3.6 yapf3.7 yapf3.8 yapf3.9 yapf4.0], false)
 386 AM_CONDITIONAL(HAVE_YAPF_BINARY, test x$YAPF_BINARY != xfalse)
 387
 388
 389 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
 390   [AC_DEFINE(HAVE_TM_GMTOFF, 1,
 391      [Define if struct tm has the tm_gmtoff member.])],
 392      ,
 393      [#include <time.h>])
 394
 395 # 'save' libs; only those libs found so far will be
 396 # linked against _everywhere_.  For the others, we
 397 # will be more selective!
 398 SAVE_LIBS=$LIBS
 399
 400 have_addrinfo_a=0
 401 AC_CHECK_LIB(anl,
 402              getaddrinfo_a,
 403              [have_addrinfo_a=1 AC_DEFINE(HAVE_GETADDRINFO_A,
 404                                           1,
 405                                           [getaddrinfo_a supported])])
 406 AM_CONDITIONAL(HAVE_GETADDRINFO_A,
 407                [test "$have_addrinfo_a" = 1])
 408
 409 # libgcrypt
 410 gcrypt=0
 411 NEED_LIBGCRYPT_API=1
 412 NEED_LIBGCRYPT_VERSION=1.6.0
 413
 414
 415 AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION", gcrypt=1)
 416 AC_CHECK_DECLS([gcry_mpi_set_opaque_copy], [], [], [[#include <gcrypt.h>]])
 417
 418 AS_IF([test $gcrypt = 0],
 419  [
 420   AC_MSG_ERROR([[
 421 ***
 422 *** You need libgcrypt to build this program.
 423 *** This library is for example available at
 424 *** ftp://ftp.gnupg.org/gcrypt/libgcrypt/.
 425 *** At least version $NEED_LIBGCRYPT_VERSION (API $NEED_LIBGCRYPT_API)
 426 ***  is required.
 427 ***]])
 428 ])
 429 AC_DEFINE_UNQUOTED([NEED_LIBGCRYPT_VERSION], "$NEED_LIBGCRYPT_VERSION", [required libgcrypt version])
 430
 431 AC_CHECK_DECLS([struct in6_ifreq], [], [], [[#include <linux/if_tun.h>]])
 432
 433 AC_CHECK_HEADER([if_tun.h],
 434     [AC_DEFINE([IF_TUN_HDR], ["if_tun.h"], [if_tun.h include path])],
 435     [AC_CHECK_HEADER([linux/if_tun.h],
 436         [AC_DEFINE([IF_TUN_HDR], ["linux/if_tun.h"])],
 437         [AC_CHECK_HEADER([net/if_tun.h],
 438             [AC_DEFINE([IF_TUN_HDR], ["net/if_tun.h"])],
 439             [AC_CHECK_HEADER([net/tun/if_tun.h],
 440                 [AC_DEFINE([IF_TUN_HDR], ["net/tun/if_tun.h"])])])])])
 441
 442
 443 # should the build process be building the documentation?
 444 AC_MSG_CHECKING(whether to build documentation)
 445 AC_ARG_ENABLE([documentation],
 446               [AS_HELP_STRING([--disable-documentation],
 447                               [do not build the documentation])],
 448               [documentation=${enableval}],
 449               [documentation=yes])
 450 AC_MSG_RESULT($documentation)
 451 AS_IF([test "x$documentation" = "xyes"],
 452       [AM_CONDITIONAL([DOCUMENTATION],
 453                       true)
 454        AC_DEFINE([DOCUMENTATION],
 455                  [1],
 456                  [Building the documentation])],
 457       [AM_CONDITIONAL([DOCUMENTATION],
 458                       false)
 459        AC_DEFINE([DOCUMENTATION],
 460                  [0],
 461                  [Not building the documentation])])
 462
 463 # COMMENT: Check whether to transpile texinfo to mdoc.
 464 # COMMENT: This is TRUE when --enable-texi2mdoc-generation
 465 # COMMENT: but ERRORS when texi2mdoc binary is missing in your $PATH
 466 # COMMENT: and makes the configure fail if it is missing.
 467 # COMMENT: Consequential the DEFINE and CONDITIONAL are set to true.
 468 # COMMENT: This is FALSE when --disable-texi2mdoc-generation was set
 469 # COMMENT: or nothing was set (this is the default).
 470 # COMMENT: There are 2 nested AS_IFs because we need to catch the
 471 # COMMENT: potential non-existence of the texi2mdoc binary.
 472 # COMMENT: Default return value / setting: no
 473 AC_MSG_CHECKING(whether to include generated texi2mdoc output in installation)
 474 AC_ARG_ENABLE([texi2mdoc-generation],
 475               [AS_HELP_STRING([--enable-texi2mdoc-generation],
 476                               [include generated texi2mdoc output in installation])],
 477               [texi2mdoc_generation=${enableval}],
 478               [texi2mdoc_generation=no])
 479 AC_MSG_RESULT($texi2mdoc_generation)
 480 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
 481       [AS_IF([test "$texi2mdoc" = 0],
 482              [AC_MSG_WARN([ERROR: transpiled mdoc output requires texi2mdoc.])
 483               AC_MSG_WARN([ERROR: texi2mdoc can be obtained via your])
 484               AC_MSG_WARN([ERROR: Operating System package manager or from])
 485               AC_MSG_WARN([ERROR: https://mandoc.bsd.lv/texi2mdoc/])],
 486              [AM_CONDITIONAL([TEXI2MDOC_GENERATION],true)
 487               AC_DEFINE([TEXI2MDOC_GENERATION],
 488                         [1],
 489                         [Building section 7 mdoc output])])],
 490       [AM_CONDITIONAL([TEXI2MDOC_GENERATION],
 491                       false)
 492        AC_DEFINE([TEXI2MDOC_GENERATION],
 493                  [0],
 494                  [Not building section 7 mdoc output])])
 495
 496 # test for texi2mdoc (the binary, not the script distributed
 497 # with autogen)
 498 # TODO: refactor this and the check above.
 499 AC_MSG_CHECKING(for texi2mdoc binary)
 500 AC_CHECK_PROGS(TEXI2MDOC_BINARY, [texi2mdoc], false)
 501 AM_CONDITIONAL(HAVE_TEXI2MDOC, test x$TEXI2MDOC_BINARY != xfalse)
 502
 503 # texi2man is a tool which needs to be investigated and
 504 # is probably incompatible to texi2mdoc in invocation.
 505 # Detection at this point only serves as a reminder that
 506 # I will work this into the build-system.
 507 AC_MSG_CHECKING(for texi2man perl script)
 508 AC_CHECK_PROGS(TEXI2MAN_SCRIPT, [texi2man], false)
 509 AM_CONDITIONAL(HAVE_TEXI2MAN, test x$TEXI2MAN_SCRIPT != xfalse)
 510
 511
 512 # test for mandoc
 513 AC_MSG_CHECKING(for mandoc binary)
 514 AC_CHECK_PROGS(MANDOC_BINARY, [mandoc], false)
 515 AM_CONDITIONAL(HAVE_MANDOC, test x$MANDOC_BINARY != xfalse)
 516
 517 # should the build process be building only the documentation?
 518 AC_MSG_CHECKING(whether to build only documentation)
 519 AC_ARG_ENABLE([documentation-only],
 520    [AS_HELP_STRING([--enable-documentation-only],
 521                    [build only the documentation])],
 522    [documentation_only=${enableval}],
 523    [documentation_only=no])
 524 AC_MSG_RESULT($documentation_only)
 525 AS_IF([test "x$documentation_only" = "xyes"],
 526  [
 527   AM_CONDITIONAL([DOCUMENTATION_ONLY],true)
 528   AC_DEFINE([DOCUMENTATION_ONLY],[1],[Building only the documentation])
 529  ],[
 530   AM_CONDITIONAL([DOCUMENTATION_ONLY],false)
 531   AC_DEFINE([DOCUMENTATION_ONLY],[0],[Doing a normal build, more than only documentation])
 532  ])
 533
 534 # should the build process be including the manpages? (default: yes)
 535 AC_MSG_CHECKING(whether to include man pages)
 536 AC_ARG_ENABLE([include-manpages],
 537    [AS_HELP_STRING([--disable-include-manpages],
 538                    [Do not include the man pages in build and installation])],
 539    [include_manpages=${enableval}],
 540    [include_manpages=yes])
 541 AC_MSG_RESULT($include_manpages)
 542 AS_IF([test "x$include_manpages" = "xyes"],
 543  [
 544   AM_CONDITIONAL([INCLUDE_MANPAGES],true)
 545   AC_DEFINE([INCLUDE_MANPAGES],[1],[Including the man pages in the build and installation])
 546  ],[
 547   AM_CONDITIONAL([INCLUDE_MANPAGES],false)
 548   AC_DEFINE([INCLUDE_MANPAGES],[0],[Not including the man pages in the build and installation])
 549  ])
 550
 551 # Do we have texinfo4? If yes, it is used to set texinfo4 specific switches
 552 # (not syntax!) to the commandline tools which generate the html. If not,
 553 # texinfo5 switches are used. This comes with no version checks, is
 554 # enabled only at distributors action (ie defaults to "no").
 555 # Mantis #3914 for more details (https://bugs.gnunet.org/view.php?id=3914)
 556 AC_MSG_CHECKING(whether to enable texinfo4 switches)
 557 AC_ARG_ENABLE([texinfo4],
 558    [AS_HELP_STRING([--enable-texinfo4], [Use texinfo version 4 specific switches])],
 559    [activate_texinfo4=${enableval}],
 560    [activate_texinfo4=no])
 561 AC_MSG_RESULT($activate_texinfo4)
 562 AS_IF([test "x$activate_texinfo4" = "xyes"],
 563  [
 564   AM_CONDITIONAL([ACTIVATE_TEXINFO4],true)
 565   AC_DEFINE([ACTIVATE_TEXINFO4],[1],[Using texinfo version 4 specific switches])
 566  ],[
 567   AM_CONDITIONAL([ACTIVATE_TEXINFO4],false)
 568   AC_DEFINE([INCLUDE_MANPAGES],[0],[Using texinfo version 5 or later switches])
 569  ])
 570
 571
 572 # Adam shostack suggests the following for Windows:
 573 # -D_FORTIFY_SOURCE=2 -fstack-protector-all
 574 AC_ARG_ENABLE([gcc-hardening],
 575    AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
 576 [AS_IF([test x$enableval = xyes],[
 577     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all"
 578     CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
 579     CFLAGS="$CFLAGS --param ssp-buffer-size=1"
 580     LDFLAGS="$LDFLAGS -pie"
 581  ])])
 582
 583 # Linker hardening options
 584 # Currently these options are ELF specific - you can't use this with MacOSX
 585 AC_ARG_ENABLE([linker-hardening],
 586   AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
 587 [AS_IF([test x$enableval = xyes],
 588    [LDFLAGS="$LDFLAGS -z relro -z now"])])
 589
 590
 591 AC_ARG_ENABLE([sanitizer],
 592   AS_HELP_STRING(--enable-sanitizer, enable Address Sanitizer and Undefined Behavior Sanitizer),
 593 [AS_IF([test x$enableval = xyes],[
 594    LDFLAGS="$CFLAGS -fsanitize=address,undefined -fno-omit-frame-pointer"
 595  ])])
 596
 597
 598 extra_logging=GNUNET_NO
 599 AC_ARG_ENABLE([logging],
 600    AS_HELP_STRING([--enable-logging@<:@=value@:>@],[Enable logging calls. Possible values: yes,no,verbose,veryverbose ('yes' is the default)]),
 601    [AS_IF([test "x$enableval" = "xyes"], [],
 602           [test "x$enableval" = "xno"], [AC_DEFINE([GNUNET_CULL_LOGGING],[],[Define to cull all logging calls])],
 603           [test "x$enableval" = "xverbose"], [extra_logging=GNUNET_YES]
 604           [test "x$enableval" = "xveryverbose"], [extra_logging=\(GNUNET_YES+1\)])
 605    ], [])
 606 AC_DEFINE_UNQUOTED([GNUNET_EXTRA_LOGGING],[$extra_logging],[1 if extra logging is enabled, 2 for very verbose extra logging, 0 otherwise])
 607
 608 # should memory poisoning be enabled?
 609 AC_MSG_CHECKING(whether to poison freed memory)
 610 AC_ARG_ENABLE([poisoning],
 611    [AS_HELP_STRING([--enable-poisoning], [enable poisoning of freed memory (good for debugging)])],
 612    [enable_poisoning=${enableval}],
 613    [
 614      AS_IF([test "x$extra_logging" != "xGNUNET_NO"],
 615        [enable_poisoning="defaults to yes (extra logging is enabled)"],
 616        [enable_poisoning=no])
 617    ])
 618 AC_MSG_RESULT($enable_poisoning)
 619 AS_IF([test ! "x$enable_poisoning" = "xno"],
 620   [enable_poisoning=1],
 621   [enable_poisoning=0])
 622 AC_DEFINE_UNQUOTED([ENABLE_POISONING],[$enable_poisoning],[1 if freed memory should be poisoned, 0 otherwise])
 623
 624 AS_IF([test $build = $target],
 625 [
 626 AC_MSG_CHECKING([for working HMAC])
 627 AC_LANG_PUSH(C)
 628 LIBS="$LIBS $LIBGCRYPT_LIBS"
 629 CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
 630 AC_RUN_IFELSE(
 631   [AC_LANG_PROGRAM([#include <gcrypt.h>
 632         #include <stdio.h>], [[
 633         gcry_md_hd_t mac;
 634
 635         unsigned char data[] = { 0xbf, 0x16, 0x6e, 0x46, 0x3a, 0x6c, 0xf3, 0x93, 0xa7, 0x72,
 636             0x11, 0xa1, 0xdc, 0x0b, 0x07, 0xdb, 0x1a, 0x5e, 0xd9, 0xb9, 0x81, 0xbe,
 637             0xea, 0xe4, 0x31, 0x5f, 0x24, 0xff, 0xfe, 0x50, 0x8a, 0xde };
 638         unsigned char key[] = { 0xfc, 0x62, 0x76, 0x35 };
 639         unsigned char result[] = {0xa2, 0xb, 0x1, 0xd9, 0xc0, 0x8b, 0x5a, 0x12, 0x80,
 640             0xd5, 0x50, 0x12, 0x8e, 0xd0, 0x5b, 0xb6, 0x5c, 0x87, 0x24, 0xe2, 0xd0,
 641             0xd2, 0xaf, 0x63, 0xae, 0xd1, 0xd6, 0x64, 0x14, 0xe3, 0x6e, 0x61, 0x5b,
 642             0xd, 0xba, 0x17, 0x7d, 0xd3, 0x10, 0xb1, 0x37, 0x41, 0x91, 0x7d, 0xeb,
 643             0x1, 0x4d, 0x71, 0xe8, 0x59, 0x71, 0x42, 0x8e, 0xd6, 0xf3, 0x29, 0x3b,
 644             0x90, 0xf2, 0xd1, 0xaf, 0x65, 0x1e, 0xb3};
 645
 646         if (!gcry_check_version (GCRYPT_VERSION))
 647         {
 648           fprintf (stderr, "Version mismatch %s <-> %s \n", gcry_check_version (NULL), GCRYPT_VERSION);
 649           return 1;
 650         }
 651
 652         gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
 653         gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
 654
 655         if (gcry_md_open(&mac, GCRY_MD_SHA512, GCRY_MD_FLAG_HMAC) != GPG_ERR_NO_ERROR)
 656         {
 657           fprintf (stderr, "gcry_md_open error\n");
 658           return 2;
 659         }
 660
 661         gcry_md_setkey (mac, key, sizeof (key));
 662         gcry_md_write (mac, data, sizeof (data));
 663
 664         if (memcmp(gcry_md_read (mac, 0), result, gcry_md_get_algo_dlen (gcry_md_get_algo (mac))) != 0)
 665         {
 666           fprintf (stderr, "memcmp error\n");
 667           return 3;
 668         }
 669
 670         gcry_md_close (mac);
 671
 672         return 0;
 673     ]])],
 674   [AC_MSG_RESULT([yes])],
 675   [
 676    RESULT=$?
 677    if test $RESULT = 3
 678    then
 679      AC_MSG_FAILURE([HMAC test vector does not match. This is a known problem with libgcrypt 1.2.2 on Windows and fixed in 1.4.6.])
 680    fi
 681    if test $RESULT = 2
 682    then
 683      AC_MSG_FAILURE([HMAC test failed])
 684    fi
 685    if test $RESULT = 1
 686    then
 687      AC_MSG_FAILURE([libgcrypt header version does not match library version])
 688    fi
 689   ],
 690   [AC_MSG_RESULT([cross compiling, test skipped])])
 691 AC_LANG_POP(C)
 692 ])      # $build = $target
 693
 694 AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 695   [[int main() {
 696       _Static_assert(sizeof(int) >= 4, "not big enough");
 697       return 0;
 698     };]])],
 699   [AC_DEFINE([HAVE_STATIC_ASSERT],[1],[Static assertions supported])],
 700   [AC_DEFINE([HAVE_STATIC_ASSERT],[0],[Static assertions not supported])])
 701
 702 # check for bluetooth library
 703 bluetooth=0
 704 AC_MSG_CHECKING(for libbluetooth)
 705 AC_ARG_WITH(libbluetooth,
 706     [  --with-libbluetooth=PREFIX (base of libbluetooth installation)],
 707     [AC_MSG_RESULT([$with_libbluetooth])
 708      AS_CASE([$with_libbluetooth],
 709         [no],[],
 710         [yes],[
 711             CHECK_LIBHEADER(BLUETOOTH,
 712                             bluetooth,
 713                             ba2str,
 714                             bluetooth/bluetooth.h,
 715                             bluetooth=1,)
 716         ],[
 717             LDFLAGS="-L$with_libbluetooth/lib $LDFLAGS"
 718             CPPFLAGS="-I$with_libbluetooth/include $CPPFLAGS"
 719             AC_CHECK_HEADERS(bluetooth/bluetooth.h,
 720                              AC_CHECK_LIB([bluetooth],
 721                                           [ba2str],
 722                                           EXT_LIB_PATH="-L$with_libbluetooth/lib $EXT_LIB_PATH"
 723                                           bluetooth=1))
 724         ])
 725     ],
 726     [AC_MSG_RESULT([--with-libbluetooth not specified])
 727      CHECK_LIBHEADER(BLUETOOTH,
 728                      bluetooth,
 729                      ba2str,
 730                      bluetooth/bluetooth.h,
 731                      bluetooth=1,)])
 732 AM_CONDITIONAL(HAVE_LIBBLUETOOTH, [test "$bluetooth" = 1])
 733 AS_IF([test "$bluetooth" = 1],
 734       [AC_DEFINE([HAVE_LIBBLUETOOTH],[1],[Have bluetooth library])],
 735       [AC_DEFINE([HAVE_LIBBLUETOOTH],[0],[Lacking bluetooth library])])
 736
 737 # check for zbar library
 738 # NOTE: Do not add checks for: -lSM, -lICE, -lX11, -lXv and -ljpeg
 739 # NOTE: they must be provided by the build environment, not the
 740 # NOTE: build-system of gnunet, as they are 2nd or 3rd level dependencies.
 741 zbar=0
 742 AC_MSG_CHECKING(for libzbar)
 743 AC_ARG_WITH(zbar,
 744    [  --with-zbar=PREFIX (base of libzbar installation)],
 745    [AC_MSG_RESULT([$with_zbar])
 746     AS_CASE([$with_zbar],
 747       [no],[],
 748       [yes],[CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)],
 749       [
 750         LDFLAGS="-L$with_zbar/lib $LDFLAGS"
 751         CPPFLAGS="-I$with_zbar/include $CPPFLAGS"
 752         AC_CHECK_HEADERS(zbar.h,
 753           AC_CHECK_LIB([zbar], [zbar_processor_create],
 754             EXT_LIB_PATH="-L$with_zbar/lib $EXT_LIB_PATH"
 755             zbar=1))
 756        ])
 757    ],
 758    [AC_MSG_RESULT([--with-zbar not specified])
 759     CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)])
 760 AM_CONDITIONAL(HAVE_ZBAR, [test "$zbar" = 1])
 761 AS_IF([test "x$zbar" = x1],
 762       [AC_DEFINE([HAVE_ZBAR],[1],[Have zbar library])],
 763       [AC_DEFINE([HAVE_ZBAR],[0],[Lacking zbar library])])
 764
 765 # check for jansson library
 766 jansson=0
 767 AC_MSG_CHECKING(for libjansson)
 768 AC_ARG_WITH(jansson,
 769    [  --with-jansson=PREFIX (base of libjansson installation)],
 770    [AC_MSG_RESULT([$with_jansson])
 771     AS_CASE([$with_jansson],
 772       [no],[],
 773       [yes],[
 774         CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)
 775       ],[
 776         LDFLAGS="-L$with_jansson/lib $LDFLAGS"
 777         CPPFLAGS="-I$with_jansson/include $CPPFLAGS"
 778         AC_CHECK_HEADERS(jansson.h,
 779           AC_CHECK_LIB([jansson], [json_loads],
 780             EXT_LIB_PATH="-L$with_jansson/lib $EXT_LIB_PATH"
 781             jansson=1))
 782       ])
 783    ],
 784    [AC_MSG_RESULT([--with-jansson not specified])
 785     CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)])
 786 AM_CONDITIONAL(HAVE_JANSSON, [test "$jansson" = 1])
 787 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
 788 AS_IF([test "x$jansson" = x1],
 789       [AC_DEFINE([HAVE_JANSSON],[1],[Have jansson library])],
 790       [AC_DEFINE([HAVE_JANSSON],[0],[Lacking jansson library])])
 791
 792
 793 # check for libpulse(audio) library
 794 pulse=0
 795 libpulse_msg="no"
 796 AC_MSG_CHECKING(for libpulse)
 797 # TODO: --with-libpulse or --with-pulseaudio? What is more established
 798 # TODO: in this context?
 799 AC_ARG_WITH(libpulse,
 800     [  --with-libpulse=PREFIX (base of libpulse installation)],
 801     [AC_MSG_RESULT([$with_libpulse])
 802      AS_CASE([$with_libpulse],
 803         [no],[],
 804         [yes],[
 805             CHECK_LIBHEADER(LIBPULSE,
 806                             pulse,
 807                             pa_stream_peek,
 808                             pulse/simple.h,
 809                             pulse=1,)
 810         ],[
 811             LDFLAGS="-L$with_libpulse/lib $LDFLAGS"
 812             CPPFLAGS="-I$with_libpulse/include $CPPFLAGS"
 813             AC_CHECK_HEADERS(pulse/simple.h,
 814                              AC_CHECK_LIB([pulse],
 815                                           [pa_stream_peek],
 816                                           EXT_LIB_PATH="-L$with_libpulse/lib $EXT_LIB_PATH"
 817                                           pulse=1))
 818         ])
 819     ],
 820     [AC_MSG_RESULT([--with-libpulse not specified])
 821      CHECK_LIBHEADER(LIBPULSE,
 822                      pulse,
 823                      pa_stream_peek,
 824                      pulse/simple.h,
 825                      pulse=1,)])
 826 AM_CONDITIONAL(HAVE_PULSE, [test "$pulse" = 1])
 827 AS_IF([test x"$pulse" = x1],
 828       [AC_DEFINE([HAVE_PULSE],[1],[Have libpulse(audio) library])
 829        libpulse_msg="yes"],
 830       [AC_DEFINE([HAVE_PULSE],[0],[Lacking libpulse(audio) library])
 831        libpulse_msg="no"])
 832
 833 # check for libopus(audio) library
 834 opus=0
 835 libopus_msg="no"
 836 AC_MSG_CHECKING(for libopus)
 837 AC_ARG_WITH(libopus,
 838     [  --with-libopus=PREFIX (base of libopus installation)],
 839     [AC_MSG_RESULT([$with_libopus])
 840      AS_CASE([$with_libopus],
 841         [no],[],
 842         [yes],[
 843             CHECK_LIBHEADER(LIBOPUS,
 844                             opus,
 845                             opus_decode_float,
 846                             opus/opus.h,
 847                             AC_CHECK_DECL([OPUS_SET_GAIN],
 848                                           [opus=1],
 849                                           [],
 850                                           [[
 851                                           #include <opus/opus.h>
 852                                           ]]))
 853     ],[
 854         LDFLAGS="-L$with_libopus/lib $LDFLAGS"
 855         CPPFLAGS="-I$with_libopus/include $CPPFLAGS"
 856         AC_CHECK_HEADERS(opus/opus.h,
 857                          AC_CHECK_LIB([opus],
 858                                       [OPUS_SET_GAIN],
 859                                       EXT_LIB_PATH="-L$with_libopus/lib $EXT_LIB_PATH"
 860                                       opus=1))
 861       ])
 862     ],
 863     [AC_MSG_RESULT([--with-libopus not specified])
 864      CHECK_LIBHEADER(LIBOPUS,
 865                      opus,
 866                      opus_decode_float,
 867                      opus/opus.h,
 868                      AC_CHECK_DECL([OPUS_SET_GAIN],
 869                                    [opus=1],
 870                                    [],
 871                                    [[
 872                                      #include <opus/opus.h>
 873                                    ]]))])
 874 AM_CONDITIONAL(HAVE_OPUS, [test "$opus" = 1])
 875 AS_IF([test "x$opus" = x1],
 876       [AC_DEFINE([HAVE_OPUS],[1],[Have libopus library])
 877        libopus_msg="yes"],
 878       [AC_DEFINE([HAVE_OPUS],[0],[Lacking libopus library])
 879        libopus_msg="no (required for conversation)"])
 880
 881 # libogg
 882 AC_MSG_CHECKING(for libogg)
 883 AC_ARG_WITH(libogg,
 884     [  --with-libogg=PREFIX (base of libogg installation)],
 885     [AC_MSG_RESULT([$with_libogg])
 886      AS_CASE([$with_libogg],
 887         [no],[],
 888         [yes],[
 889             CHECK_LIBHEADER(LIBOGG,
 890                             ogg,
 891                             ogg_stream_flush_fill,
 892                             ogg/ogg.h,
 893                             ogg=1,)
 894         ],[
 895             LDFLAGS="-L$with_libogg/lib $LDFLAGS"
 896             CPPFLAGS="-I$with_libogg/include $CPPFLAGS"
 897             AC_CHECK_HEADERS(ogg/ogg.h,
 898                              AC_CHECK_LIB([ogg],
 899                                           [ogg_stream_flush_fill],
 900                                           EXT_LIB_PATH="-L$with_libogg/lib $EXT_LIB_PATH"
 901                                           ogg=1))
 902         ])
 903      ],
 904      [AC_MSG_RESULT([--with-libogg not specified])
 905       CHECK_LIBHEADER(LIBOGG,
 906                       ogg,
 907                       ogg_stream_flush_fill,
 908                       ogg/ogg.h,
 909                       ogg=1,)])
 910 AM_CONDITIONAL(HAVE_OGG, [test "$ogg" = 1])
 911 AS_IF([test x"$ogg" = x1],
 912       [AC_DEFINE([HAVE_OGG],[1],[Have ogg])]
 913       [AC_DEFINE([HAVE_OGG],[0],[Lacking ogg])])
 914
 915
 916 PKG_CHECK_MODULES([GLIB],
 917                   [glib-2.0],
 918   [# check for pbc library
 919   pbc=0
 920    AC_CHECK_HEADER([pbc/pbc.h],pbc=1)
 921    AC_CHECK_HEADER([gabe.h],abe=1)
 922    AM_CONDITIONAL(HAVE_PBC, [test "x$pbc" = x1])
 923    AM_CONDITIONAL(HAVE_ABE, [test "x$abe" = x1])
 924    AS_IF([test "x$pbc" = x1],
 925      [AC_DEFINE([HAVE_PBC],[1],[Have pbc library])],
 926      [AC_DEFINE([HAVE_PBC],[0],[Lacking pbc library])])
 927    AS_IF([test "x$abe" = x1],
 928     [AC_DEFINE([HAVE_ABE],[1],[Have ABE library])],
 929     [AC_DEFINE([HAVE_ABE],[0],[Lacking ABE library])])],
 930   [# glib-2 not found
 931    AM_CONDITIONAL(HAVE_PBC, [false])
 932    AM_CONDITIONAL(HAVE_ABE, [false])
 933    AC_DEFINE([HAVE_PBC],[0],[Lacking glib library])])
 934
 935
 936 gst=0
 937 gstreamer_msg="no"
 938 AC_MSG_CHECKING(for gstreamer)
 939 PKG_CHECK_MODULES(
 940   [GST],
 941   [glib-2.0 gobject-2.0 gstreamer-1.0 gstreamer-app-1.0 gstreamer-audio-1.0],
 942   [gst=1
 943    gstreamer_msg="yes"],
 944   [gst=0])
 945
 946 # conversation
 947 AC_MSG_CHECKING(conversation feature set to build)
 948 AS_IF([test "x$pulse" != "x1" -o "x$opus" != "x1" -o "x$ogg" != "x1"],[
 949  AS_IF([test "x$gst" != "x1"],[
 950   conversation_backend=none
 951   AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 952   AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 953   AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 954  ],[
 955    conversation_backend=gst
 956    AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 957    AM_CONDITIONAL(BUILD_GST_HELPERS, true)
 958    AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 959  ])
 960 ],[
 961  conversation_backend=pulse
 962  AM_CONDITIONAL(BUILD_PULSE_HELPERS, true)
 963  AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 964  AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 965 ])
 966
 967 AS_IF([test "x$conversation_backend" = "xnone"],
 968       AM_CONDITIONAL(BUILD_CONVERSATION, false),
 969       AM_CONDITIONAL(BUILD_CONVERSATION, true))
 970
 971 # libgnurl
 972 LIBGNURL_CHECK_CONFIG(,7.34.0,gnurl=1,gnurl=0)
 973
 974 SAVE_CPPFLAGS=$CPPFLAGS
 975 CPPFLAGS="$LIBGNURL_CPPFLAGS $LIBCURL_CPPFLAGS $CPPFLAGS"
 976 LIBS="$LIBGNURL $LIBCURL $LIBS"
 977
 978 # libcurl-gnutls
 979 LIBCURL_CHECK_CONFIG(,7.34.0,[curl=true],[curl=false])
 980 AS_IF([test "x$curl" = xtrue],[
 981  AC_CHECK_HEADER([curl/curl.h],
 982   AC_CHECK_DECLS(CURLINFO_TLS_SESSION,[curl=true],[curl=false],[[#include <curl/curl.h>]]),
 983   [curl=false])
 984  # need libcurl-gnutls.so, everything else is not acceptable
 985  AC_CHECK_LIB([curl-gnutls],[curl_easy_getinfo],,[curl=false])
 986  # cURL must support CURLINFO_TLS_SESSION, version >= 7.34
 987 ])
 988
 989 # libcurl and libgnurl should be mutually exclusive
 990 AS_IF([test "$gnurl" = 1],
 991       [AM_CONDITIONAL(HAVE_LIBGNURL, true)
 992        AC_DEFINE([HAVE_LIBGNURL],[1],[Have libgnurl])
 993        AM_CONDITIONAL(HAVE_LIBCURL, false)
 994        AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])],
 995       [AS_IF([test "$curl" = true],
 996              [AM_CONDITIONAL(HAVE_LIBGNURL, false)
 997               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
 998               AM_CONDITIONAL(HAVE_LIBCURL, true)
 999               AC_DEFINE([HAVE_LIBCURL],[1],[Have libcurl])],
1000              [AC_MSG_WARN([ERROR: GNUnet requires libcurl-gnutls or gnurl >= 7.34])
1001               AM_CONDITIONAL(HAVE_LIBGNURL, false)
1002               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
1003               AM_CONDITIONAL(HAVE_LIBCURL, false)
1004               AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])])])
1005
1006 AC_SEARCH_LIBS(__atomic_load_8, atomic, [have_libatomic=1 AC_DEFINE(HAVE_LIBATOMIC,1,[external libatomic])])
1007 AM_CONDITIONAL(HAVE_LIBATOMIC, [test "$have_libatomic" = 1])
1008
1009 # restore LIBS & CPPFLAGS
1010 LIBS=$SAVE_LIBS
1011 CPPFLAGS=$SAVE_CPPFLAGS
1012
1013
1014 AC_CHECK_HEADERS([nss.h],[nss=true],[nss=false])
1015 AS_IF([test x$nss = xfalse],
1016   [
1017         AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1018         AC_MSG_WARN([No GNU libc nss header, will not build NSS plugin])
1019   ],[
1020         NSS_INCLUDES="
1021         #include <nss.h>
1022         "
1023         AC_CHECK_DECL([NSS_STATUS_UNAVAIL],
1024                 [AM_CONDITIONAL(HAVE_GLIBCNSS, true)],
1025                 [AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1026                  AC_MSG_WARN([No nss header fails to define NSS_STATUS_UNAVAIl, will not build NSS plugin])],
1027                 [$NSS_INCLUDES])
1028 ])
1029
1030
1031
1032 # test for kvm and kstat (for CPU stats under BSD/Solaris)
1033 AC_CHECK_LIB([kvm],[kvm_open])
1034 AC_CHECK_LIB([kstat],[kstat_open])
1035
1036 argon=0
1037 # test for argon2 (for POW)
1038 AC_CHECK_LIB([argon2],[argon2d_hash_raw], argon=1, argon=0)
1039 AS_IF([test x$argon = x1],
1040 [
1041  AC_MSG_RESULT([argon2 found])
1042 ],[
1043  AC_MSG_ERROR([GNUnet requires argon2.])
1044 ])
1045
1046 # test for libextractor
1047 extractor=0
1048 AC_MSG_CHECKING(for libextractor)
1049 AC_ARG_WITH(extractor,
1050    [  --with-extractor=PREFIX (base of libextractor installation)],
1051    [AC_MSG_RESULT([$with_extractor])
1052     AS_CASE([$with_extractor],
1053       [no],[],
1054       [yes],[
1055         AC_CHECK_HEADERS([extractor.h],
1056           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1057             extractor=1))
1058       ],[
1059         LDFLAGS="-L$with_extractor/lib $LDFLAGS"
1060         CPPFLAGS="-I$with_extractor/include $CPPFLAGS"
1061         AC_CHECK_HEADERS([extractor.h],
1062           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1063             EXT_LIB_PATH="-L$with_extractor/lib $EXT_LIB_PATH"
1064             extractor=1))
1065       ])
1066    ],
1067    [AC_MSG_RESULT([--with-extractor not specified])
1068     AC_CHECK_HEADERS([extractor.h],
1069      AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1070       extractor=1))])
1071 # restore LIBS
1072 LIBS=$SAVE_LIBS
1073
1074 AS_IF([test "$extractor" != 1],
1075  [
1076  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, false)
1077  AC_DEFINE([HAVE_LIBEXTRACTOR],[0],[Lacking libextractor])
1078  ],[
1079  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, true)
1080  AC_DEFINE([HAVE_LIBEXTRACTOR],[1],[Have libextractor])
1081  ])
1082
1083
1084 # Check for libltdl header (#2999)
1085 ltdl=0
1086 AC_MSG_CHECKING(for libltdl)
1087 AC_ARG_WITH(ltdl,
1088    [AS_HELP_STRING([--with-ltdl=PREFIX],[base of libltdl installation])],
1089    [AC_MSG_RESULT([$with_ltdl])
1090     AS_CASE([$with_ltdl],
1091       [no],[],
1092       [yes],[
1093         AC_CHECK_HEADERS(ltdl.h,
1094           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1095             ltdl=1))
1096       ],[
1097         LDFLAGS="-L$with_ltdl/lib $LDFLAGS"
1098         CPPFLAGS="-I$with_ltdl/include $CPPFLAGS"
1099         AC_CHECK_HEADERS(ltdl.h,
1100           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1101             EXT_LIB_PATH="-L$with_ltdl/lib $EXT_LIB_PATH"
1102             ltdl=1))
1103       ])
1104    ],
1105    [AC_MSG_RESULT([--with-ltdl not specified])
1106     AC_CHECK_HEADERS(ltdl.h,
1107      AC_CHECK_LIB([ltdl], [lt_dlopenext],
1108       ltdl=1))])
1109 AS_IF([test x$ltdl = x1],
1110 [
1111  AC_MSG_RESULT([libltdl found])
1112 ],[
1113  AC_MSG_ERROR([GNUnet requires libltdl (from GNU libtool).])
1114 ])
1115 # restore LIBS
1116 LIBS=$SAVE_LIBS
1117
1118 # libidn and libidn2. The ideal goal is this:
1119 # check for libidn2, if it doesn't exist check for libidn
1120 # if both exist, prefer libidn2
1121 # if none exist, fail and message that libidn or libidn2
1122 # is required with a preference for libidn2.
1123 # TODO: What we have right here can probably be improved.
1124 AC_MSG_CHECKING(for idn or idn2)
1125
1126 AC_MSG_CHECKING(for idn)
1127 my_with_libidn=1
1128 AC_ARG_WITH(libidn,
1129             AS_HELP_STRING([--with-libidn=pathname],
1130                            [Support IDN (needs libidn)]),
1131             [],
1132             [withval="yes"])
1133 AS_IF([test x_$withval = x_yes],
1134       [AC_CHECK_HEADERS([idna.h],
1135                         AC_MSG_NOTICE([Found idna.h]),
1136                         AC_CHECK_HEADERS([idn/idna.h],
1137                                          AC_MSG_NOTICE([Found idn/idna.h]),
1138                                          my_with_libidn=0))],
1139       [AS_IF([test x_$withval != x_no],
1140              [CFLAGS="$CFLAGS -I$withval/include"
1141               LDFLAGS="$LDFLAGS -L$withval/lib"
1142               AC_CHECK_HEADERS([idna.h],
1143                                AC_MSG_NOTICE([Found idna.h]),
1144                                    [AC_MSG_NOTICE([Failed to find idna.h])
1145                                my_with_libidn=0])],
1146              [my_with_libidn=0])])
1147
1148 AC_MSG_CHECKING(for idn2)
1149 my_with_libidn2=1
1150 AC_ARG_WITH(libidn2,
1151             AS_HELP_STRING([--with-libidn2=pathname],
1152                            [Support IDN (needs libidn2)]),
1153             [],
1154             [withval="yes"])
1155 AS_IF([test x_$withval = x_yes],
1156       [AC_CHECK_HEADERS([idn2.h],
1157                         AC_MSG_NOTICE([Found idn2.h]),
1158                         AC_CHECK_HEADERS([idn2/idn2.h],
1159                                          AC_MSG_NOTICE([Found idn2/idn2.h]),
1160                                          [AC_MSG_NOTICE([Failed to find idn2.h])
1161                                          my_with_libidn2=0]))],
1162       [AS_IF([test x_$withval != x_no],
1163              [CFLAGS="$CFLAGS -I$withval/include"
1164               LDFLAGS="$LDFLAGS -L$withval/lib"],
1165                   [my_with_libidn2=0])])
1166
1167 AC_MSG_CHECKING([if libidn can be used])
1168 # Check for LIBIDNs
1169 there_can_only_be_one=1
1170
1171 working_libidn1=0
1172 working_libidn2=0
1173 AS_IF([test x$my_with_libidn2 = x1],
1174       [AC_MSG_NOTICE([Checking for libidn2])
1175        AC_CHECK_LIB([idn2],
1176                     [idn2_to_unicode_8z8z],
1177                     [working_libidn2=1
1178                     LIBS="-lidn2 $LIBS"
1179                     AC_DEFINE_UNQUOTED([HAVE_LIBIDN2],
1180                                        [1],
1181                                        [Define to 1 if you have 'libidn2' (-lidn2).])],
1182                     [MISSING_DEPS="${MISSING_DEPS}${MISSING_SEP}libidn2"
1183                      MISSING_SEP=", "])])
1184 AM_CONDITIONAL(HAVE_LIBIDN2, test x$working_libidn2 = x1)
1185 AS_IF([test x$working_libidn2 = x0],
1186       [AS_IF([test x$my_with_libidn = x1],
1187              [AC_MSG_NOTICE([Checking for libidn])
1188               AC_CHECK_LIB([idn],
1189                            [idna_to_ascii_8z],
1190                            [working_libidn1=1
1191                            LIBS="-lidn $LIBS"
1192                            AC_DEFINE_UNQUOTED([HAVE_LIBIDN],
1193                                               [1],
1194                                               [Define to 1 if you have 'libidn' (-lidn).])],
1195                            [there_can_only_be_one=0])],
1196              [AS_IF([test x$my_with_libidn2 = x1],
1197                     [there_can_only_be_one=0
1198                      AC_MSG_FAILURE([* There can only be one libidn.
1199                                      * Provide either libidn >= 1.13
1200                                      * or
1201                                      * libidn2 to the configure
1202                                      * script via
1203                                      * --with-libidn2
1204                                      * --with-libidn])])])])
1205 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
1206
1207 AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
1208       [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
1209
1210 AS_IF([test x$there_can_only_be_one = x0],
1211       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])
1212
1213 # test for zlib
1214 SAVE_LDFLAGS=$LDFLAGS
1215 SAVE_CPPFLAGS=$CPPFLAGS
1216 AC_ARG_WITH(zlib,
1217             [  --with-zlib[[=DIR]]       use libz in DIR],
1218             [AS_IF([test "$withval" = "no"],
1219                    [AC_MSG_ERROR([GNUnet requires zlib])],
1220                    [test "$withval" != "yes"],
1221                    [Z_DIR=$withval
1222                     CPPFLAGS="${CPPFLAGS} -I$withval/include"
1223                     LDFLAGS="${LDFLAGS} -L$withval/lib"])])
1224 AC_CHECK_HEADER(zlib.h,
1225                 [],
1226                 [AC_MSG_ERROR([GNUnet requires zlib])])
1227 AC_CHECK_LIB(z,
1228              compress2,
1229              [AC_DEFINE([HAVE_ZLIB],
1230                         [],
1231                         [Have compression library])
1232               if test "x${Z_DIR}" != "x"; then
1233                       Z_CFLAGS="-I${Z_DIR}/include"
1234                       Z_LIBS="-L${Z_DIR}/lib -lz"
1235               else
1236                       Z_LIBS="-lz"
1237               fi],
1238               [AC_MSG_ERROR([GNUnet requires zlib])])
1239 AC_SUBST(Z_CFLAGS)
1240 AC_SUBST(Z_LIBS)
1241
1242 AS_IF([test "$enable_shared" = "no"],
1243       [AC_MSG_ERROR([GNUnet only works with shared libraries. Sorry.])])
1244
1245
1246 # restore LIBS
1247 LIBS=$SAVE_LIBS
1248
1249
1250 # check for iconv
1251 AM_ICONV
1252
1253 # test for libunistring
1254 gl_LIBUNISTRING
1255 AS_IF([test $HAVE_LIBUNISTRING != yes],
1256       [AC_MSG_ERROR([GNUnet requires libunistring])])
1257
1258 AS_IF([test "x$gl_libunistring_hexversion" = "x" || test "$gl_libunistring_hexversion" -le 2305],
1259       [AC_MSG_ERROR([GNUnet requires libunistring >= 0.9.1.1])])
1260 AC_CHECK_HEADERS([unistr.h],
1261                  ,
1262                  AC_MSG_ERROR([Compiling GNUnet requires unistr.h (from libunistring) to be installed]))
1263
1264 # restore LIBS
1265 LIBS=$SAVE_LIBS
1266
1267
1268
1269 # Checks for standard header files.
1270 AC_HEADER_DIRENT
1271 AC_HEADER_STDC
1272
1273 # Check for headers that are ALWAYS required
1274 AC_CHECK_HEADERS([fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h],,AC_MSG_ERROR([Compiling GNUnet requires standard UNIX headers files: fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h]))
1275
1276
1277
1278 # Checks for headers that are only required on some systems or
1279 # opional (and where we do NOT abort if they are not there)
1280 AC_CHECK_HEADERS([stdatomic.h malloc.h malloc/malloc.h malloc/malloc_np.h langinfo.h sys/param.h sys/mount.h sys/statvfs.h sys/select.h sockLib.h sys/mman.h sys/msg.h sys/vfs.h arpa/inet.h fcntl.h libintl.h netdb.h netinet/in.h sys/ioctl.h sys/socket.h sys/time.h unistd.h kstat.h sys/sysinfo.h kvm.h sys/file.h sys/resource.h ifaddrs.h mach/mach.h stddef.h sys/timeb.h argz.h ucred.h sys/ucred.h endian.h sys/endian.h execinfo.h byteswap.h])
1281
1282 # FreeBSD requires this for netinet/in_systm.h and netinet/ip.h
1283 AC_CHECK_HEADERS([sys/types.h netinet/in_systm.h netinet/in.h netinet/ip.h],,,
1284 [#ifdef HAVE_SYS_TYPES_H
1285 #include <sys/types.h>
1286 #endif
1287 #ifdef HAVE_NETINET_IN_SYSTM_H
1288 #include <netinet/in_systm.h>
1289 #endif
1290 #ifdef HAVE_NETINET_IN_H
1291 #include <netinet/in.h>
1292 #endif
1293 ])
1294
1295 SAVE_LDFLAGS=$LDFLAGS
1296 SAVE_CPPFLAGS=$CPPFLAGS
1297
1298 # test for sqlite
1299 sqlite=false
1300 AC_MSG_CHECKING(for SQLite)
1301 AC_ARG_WITH(sqlite,
1302   [  --with-sqlite=PFX       base of SQLite installation],
1303   [AC_MSG_RESULT("$with_sqlite")
1304    AS_CASE([$with_sqlite],
1305      [no],[],
1306      [yes],[
1307       AC_CHECK_HEADERS(sqlite3.h,
1308       sqlite=true)],
1309      [
1310     LDFLAGS="-L$with_sqlite/lib $LDFLAGS"
1311     CPPFLAGS="-I$with_sqlite/include $CPPFLAGS"
1312     AC_CHECK_HEADERS(sqlite3.h,
1313      EXT_LIB_PATH="-L$with_sqlite/lib $EXT_LIB_PATH"
1314      SQLITE_LDFLAGS="-L$with_sqlite/lib"
1315      SQLITE_CPPFLAGS="-I$with_sqlite/include"
1316      sqlite=true)
1317     LDFLAGS=$SAVE_LDFLAGS
1318     CPPFLAGS=$SAVE_CPPFLAGS
1319     ])
1320   ],
1321   [AC_MSG_RESULT([--with-sqlite not specified])
1322     AC_CHECK_HEADERS(sqlite3.h, sqlite=true)])
1323 AM_CONDITIONAL(HAVE_SQLITE, test x$sqlite = xtrue)
1324 AC_SUBST(SQLITE_CPPFLAGS)
1325 AC_SUBST(SQLITE_LDFLAGS)
1326
1327 LDFLAGS=$SAVE_LDFLAGS
1328 CPPFLAGS=$SAVE_CPPFLAGS
1329
1330 # test for postgres:
1331 postgres=false
1332 AX_LIB_POSTGRESQL([9.5],
1333   [CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
1334    AC_CHECK_HEADERS([libpq-fe.h],
1335    postgres=true)
1336   ],
1337   [AC_MSG_RESULT([no postgres])])
1338
1339 AM_CONDITIONAL(HAVE_POSTGRESQL, test x$postgres = xtrue)
1340 AS_IF([test "x$postgres" = xtrue],
1341       [AC_DEFINE([HAVE_POSTGRESQL],[1],[Have PostgreSQL])],
1342       [AC_DEFINE([HAVE_POSTGRESQL],[0],[Lacking PostgreSQL])])
1343
1344 LDFLAGS=$SAVE_LDFLAGS
1345 CPPFLAGS=$SAVE_CPPFLAGS
1346
1347 # mysql & windows
1348 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
1349 AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
1350
1351 # test for mysql
1352 mysql=false
1353 mysqlfail=false
1354 SAVE_LDFLAGS=$LDFLAGS
1355 SAVE_CPPFLAGS=$CPPFLAGS
1356 AC_MSG_CHECKING(for mysql)
1357 AC_ARG_WITH(mysql,
1358   [  --with-mysql=PFX        base of MySQL installation],
1359   [AC_MSG_RESULT([$with_mysql])
1360    AS_CASE([$with_mysql],
1361      [no],[],
1362      [yes|""],[
1363       AC_CHECK_HEADERS(mysql/mysql.h,
1364        AC_CHECK_LIB(mysqlclient, mysql_init,
1365        mysql=true), [], [])
1366      ],[
1367       LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql $LDFLAGS $ZLIBS"
1368       CPPFLAGS="-I$with_mysql/include $CPPFLAGS"
1369       AC_CHECK_HEADERS(mysql/mysql.h,
1370        AC_CHECK_LIB(mysqlclient, mysql_init,
1371         MYSQL_LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql"
1372         MYSQL_CPPFLAGS="-I$with_mysql/include"
1373
1374         mysql=true), [], [])
1375      ])
1376   ],
1377   [AC_MSG_RESULT([--with-mysql not specified])
1378    if test -d "/usr/lib64/mysql"; then
1379     MYSQL_LIBDIR="/usr/lib64/mysql"
1380    elif test -d "/usr/lib/mysql"; then
1381     MYSQL_LIBDIR="/usr/lib/mysql"
1382    else
1383     MYSQL_LIBDIR="/usr/lib"
1384    fi
1385    LDFLAGS="-L$MYSQL_LIBDIR $LDFLAGS $ZLIBS"
1386    AC_CHECK_LIB(mysqlclient, mysql_init,
1387     [AC_CHECK_HEADERS(mysql/mysql.h,
1388       MYSQL_LDFLAGS="-L$MYSQL_LIBDIR"
1389       mysql=true
1390
1391      , [], [])])
1392   ])
1393
1394 AC_SUBST(MYSQL_LDFLAGS)
1395 AC_SUBST(MYSQL_CPPFLAGS)
1396
1397 # additional version check for mysql
1398 AC_ARG_ENABLE(mysql-version-check, [  --disable-mysql-version-check  do not check MySQL version],, enable_mysql_version_check=yes)
1399 AS_IF([test "$mysql" = "true" -a "x$enable_mysql_version_check" = "xyes"],
1400  [
1401   AC_MSG_CHECKING(mysql version)
1402   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1403     [[
1404       #include <mysql/mysql.h>]],
1405     [[
1406       #if (MYSQL_VERSION_ID < 40100)
1407       #error needs at least version >= 4.1
1408       #endif
1409       int main () { return 0; }
1410     ]])
1411     ],
1412     [mysql=true],
1413     [mysql=false])
1414   AS_IF([test x$mysql = xfalse],
1415    [
1416     mysqlfail=true
1417     AC_MSG_WARN([fail, MySQL >= 4.1 required])
1418    ],[
1419     AC_MSG_NOTICE([success, will keep $mysqlfail])
1420     mysqlfail=false
1421     AC_MSG_RESULT(ok)
1422    ])
1423 ])
1424
1425 AM_CONDITIONAL(HAVE_MYSQL, test x$mysql = xtrue)
1426 AM_CONDITIONAL(HAVE_MYSQLE, false)
1427 # restore LIBS
1428 LIBS=$SAVE_LIBS
1429 LDFLAGS=$SAVE_LDFLAGS
1430 CPPFLAGS=$SAVE_CPPFLAGS
1431
1432 # TODO: should this test for "or" not "and"?
1433 # TODO: Add postgres?
1434 AS_IF([test "$sqlite" = 0 -a "$mysql" = 0],
1435 [
1436  AC_MSG_ERROR([GNUnet requires SQLite or MySQL / MariaDB.])
1437 ])
1438
1439 # libmicrohttpd
1440 lmhd=0
1441 m4_define([MHD_MODULE], [libmicrohttpd >= 0.9.63])
1442 AC_ARG_WITH(microhttpd,
1443    [AS_HELP_STRING([--with-microhttpd[[=PFX]]],
1444        [base of libmicrohttpd installation])],
1445    [],
1446    [with_microhttpd=check])
1447 AS_CASE([$with_microhttpd],
1448    [no], [],
1449    [yes], [PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])],
1450    [check], [PKG_CHECK_MODULES([MHD], [MHD_MODULE],
1451        [lmhd=1],
1452        [AC_MSG_WARN([Building without libmicrohttpd])])],
1453    [SAVE_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
1454     PKG_CONFIG_PATH=$with_microhttpd/lib/pkgconfig
1455     export PKG_CONFIG_PATH
1456     PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])
1457     PKG_CONFIG_PATH=$SAVE_PKG_CONFIG_PATH])
1458 AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
1459 AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
1460
1461 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
1462
1463 # restore LIBS
1464 LIBS=$SAVE_LIBS
1465
1466 # check for gettext
1467 AM_GNU_GETTEXT([external])
1468 AM_GNU_GETTEXT_VERSION([0.18.1])
1469
1470 # Checks for standard typedefs, structures, and compiler characteristics.
1471 AC_TYPE_PID_T
1472 AC_TYPE_SIZE_T
1473 AC_TYPE_MODE_T
1474 AC_HEADER_TIME
1475 AC_HEADER_STAT
1476 AC_HEADER_STDBOOL
1477 AC_STRUCT_TM
1478
1479 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
1480    [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
1481    ],
1482    [],
1483    [
1484       #include <sys/types.h>
1485       #include <sys/socket.h>
1486       #include <netinet/in.h>
1487    ])
1488
1489 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
1490                 [ AC_DEFINE(HAVE_SOCKADDR_UN_SUN_LEN,
1491                             1,
1492                             [Do we have sockaddr_un.sun_len?])],
1493                 [],
1494                 [
1495                 #include <sys/types.h>
1496                 #include <sys/socket.h>
1497                 #include <sys/un.h>
1498                 ])
1499
1500
1501
1502 # Checks for library functions.
1503 AC_FUNC_CLOSEDIR_VOID
1504 AC_FUNC_FORK
1505 AC_PROG_GCC_TRADITIONAL
1506 AC_FUNC_MEMCMP
1507 AC_FUNC_SELECT_ARGTYPES
1508 AC_FUNC_CHOWN
1509
1510 AC_TYPE_SIGNAL
1511 AC_FUNC_STAT
1512 AC_FUNC_STRFTIME
1513 AC_FUNC_VPRINTF
1514 AC_HEADER_SYS_WAIT
1515 AC_TYPE_OFF_T
1516 AC_TYPE_UID_T
1517 AC_CHECK_FUNCS([atoll stat64 strnlen mremap getrlimit setrlimit sysconf initgroups strndup gethostbyname2 getpeerucred getpeereid setresuid $funcstocheck getifaddrs freeifaddrs getresgid mallinfo malloc_size malloc_usable_size getrusage random srandom stat statfs statvfs wait4])
1518
1519 # restore LIBS
1520 LIBS=$SAVE_LIBS
1521
1522 GN_INTLINCL=""
1523 GN_LIBINTL="$LTLIBINTL"
1524 GN_LIB_LDFLAGS="-export-dynamic -no-undefined"
1525 GN_PLUGIN_LDFLAGS="-export-dynamic -avoid-version -module -no-undefined"
1526
1527 AC_SUBST(GN_LIB_LDFLAGS)
1528 AC_SUBST(GN_PLUGIN_LDFLAGS)
1529 AC_SUBST(GN_INTLINCL)
1530 AC_SUBST(GN_LIBINTL)
1531
1532 AC_SUBST(CPPFLAGS)
1533 AC_SUBST(LIBS)
1534 AC_SUBST(LDFLAGS)
1535 AC_SUBST(EXT_LIB_PATH)
1536 AC_SUBST(EXT_LIBS)
1537
1538 AC_SUBST(LIBPREFIX)
1539 AC_SUBST(DLLDIR)
1540 AC_SUBST(EXT_LIB_PATH)
1541
1542 DATAROOTDIR=$datarootdir
1543 AC_SUBST(DATAROOTDIR)
1544
1545 # test for sudo
1546 AC_MSG_CHECKING(for sudo)
1547 #AC_CHECK_PROGS(SUDO_BINARY, [sudo], false)
1548 #AM_CONDITIONAL(HAVE_SUDO, test x$SUDO_BINARY != xfalse)
1549 AC_ARG_WITH(sudo,
1550            [  --with-sudo=PATH       path to sudo binary (or just yes)],
1551            [AC_MSG_RESULT("$with_sudo")
1552             AS_CASE([$with_sudo],
1553                     [no],[SUDO_BINARY=],
1554                     [yes],[SUDO_BINARY=sudo],
1555                     [SUDO_BINARY=$with_sudo])],
1556            [AC_MSG_RESULT([no])])
1557 AC_SUBST(SUDO_BINARY)
1558 AM_CONDITIONAL([HAVE_SUDO],
1559               [test "x$SUDO_BINARY" != "x" -o -w /])
1560
1561 # test for doas
1562 AC_MSG_CHECKING(for doas)
1563 AC_CHECK_PROGS(DOAS_BINARY, [doas], false)
1564 AM_CONDITIONAL(HAVE_DOAS_BINARY, test x$DOAS_BINARY != xfalse)
1565
1566 # test for gnunetdns group name
1567 GNUNETDNS_GROUP=gnunetdns
1568 AC_MSG_CHECKING(for gnunetdns group name)
1569 AC_ARG_WITH(gnunetdns,
1570             [  --with-gnunetdns=GRPNAME       name for gnunetdns group],
1571             [AC_MSG_RESULT("$with_gnunetdns")
1572              AS_CASE([$with_gnunetdns],
1573                      [no],[GNUNETDNS_GROUP=gnunet],
1574                      [yes],[GNUNETDNS_GROUP=gnunetdns],
1575                      [GNUNETDNS_GROUP=$with_gnunetdns])],
1576             [AC_MSG_RESULT([gnunetdns])])
1577 AC_SUBST(GNUNETDNS_GROUP)
1578
1579
1580
1581 # gnutls
1582 gnutls=0
1583 gnutls_dane=0
1584 AC_MSG_CHECKING(for gnutls)
1585 AC_ARG_WITH(gnutls,
1586             [  --with-gnutls=PFX   base of gnutls installation],
1587             [AC_MSG_RESULT([$with_gnutls])
1588              AS_CASE([$with_gnutls],
1589                      [no],[],
1590                      [yes],
1591                      [AC_CHECK_HEADERS([gnutls/abstract.h],
1592                                        AC_CHECK_LIB([gnutls],
1593                                                     [gnutls_priority_set],
1594                                                     gnutls=true))
1595                       AC_CHECK_HEADERS([gnutls/dane.h],
1596                                        AC_CHECK_LIB([gnutls-dane],
1597                                                     [dane_verify_crt_raw],
1598                                                     gnutls_dane=1))],
1599
1600         [LDFLAGS="-L$with_gnutls/lib $LDFLAGS"
1601         CPPFLAGS="-I$with_gnutls/include $CPPFLAGS"
1602         AC_CHECK_HEADERS([gnutls/abstract.h],
1603             AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1604               EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH"
1605               gnutls=true))
1606         AC_CHECK_HEADERS([gnutls/dane.h],
1607             AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1608               gnutls_dane=1))
1609       ])
1610    ],
1611    [AC_MSG_RESULT([--with-gnutls not specified])
1612     AC_CHECK_HEADERS([gnutls/abstract.h],
1613         AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1614           gnutls=true))
1615     AC_CHECK_HEADERS([gnutls/dane.h],
1616         AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1617                      gnutls_dane=1))
1618    ])
1619 AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue)
1620 AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have GnuTLS])
1621 AM_CONDITIONAL(HAVE_GNUTLS_DANE, test x$gnutls_dane = x1)
1622 AC_DEFINE_UNQUOTED([HAVE_GNUTLS_DANE], $gnutls_dane, [We have GnuTLS with DANE support])
1623
1624
1625
1626 # Test if we are building for superMUC
1627 AC_MSG_CHECKING(if GNUnet is being configured to run on the SuperMUC)
1628 AC_ARG_ENABLE([supermuc],
1629     [AS_HELP_STRING([--enable-supermuc],
1630        [build GNUnet with support to run on the SuperMUC (default is NO)])],
1631     [AS_IF([test "x$enable_supermuc" = "xno"],
1632       [supermuc=0],
1633       [supermuc=1])],
1634     [supermuc=0
1635      enable_supermuc=no])
1636 AC_MSG_RESULT($enable_SUPERMUC)
1637 AM_CONDITIONAL([ENABLE_SUPERMUC], [test "x$supermuc" = "x1"])
1638 AC_DEFINE_UNQUOTED([ENABLE_SUPERMUC], [$supermuc], [Build with support for SuperMUC])
1639
1640 # Check if NSE has to send timestamp information to testbed logger for
1641 # generating histogram of messages received
1642 AC_MSG_CHECKING(if NSE has to send timestamp information to testbed logger)
1643 AC_ARG_ENABLE([nse-histogram],
1644     [AS_HELP_STRING([--enable-nse-histogram],
1645        [have NSE send timestamp information to testbed logger for generating
1646        histogram of received messages.  NOT useful for production (default is
1647        NO)])],
1648     [AS_IF([test "x$enableval" = "xno"],
1649       [nse_histogram=0],
1650       [nse_histogram=1])],
1651     [nse_histogram=0
1652      enable_nse_histogram=no])
1653 AC_MSG_RESULT($enable_nse_histogram)
1654 AM_CONDITIONAL([ENABLE_NSE_HISTOGRAM], [test "x$nse_histogram" = "x1"])
1655 AC_DEFINE_UNQUOTED([ENABLE_NSE_HISTOGRAM], [$nse_histogram],
1656                    [have NSE send timestamp information to testbed logger])
1657
1658 # should 'make check' run tests?
1659 AC_MSG_CHECKING(whether to run tests)
1660 AC_ARG_ENABLE([testruns],
1661    [AS_HELP_STRING([--disable-testruns], [disable running tests on make check (default is YES)])],
1662    [enable_tests_run=${enableval}],
1663    [enable_tests_run=yes])
1664 AC_MSG_RESULT($enable_test_run)
1665 AM_CONDITIONAL([ENABLE_TEST_RUN], [test "x$enable_tests_run" = "xyes"])
1666
1667
1668 AC_MSG_CHECKING([whether to compile in benchmarks (currently for http and crypto)])
1669 AC_ARG_ENABLE([benchmark],
1670    [AS_HELP_STRING([--enable-benchmark], [enable benchmarking])],
1671    [enable_benchmark=${enableval}],
1672    [enable_benchmark=no])
1673 AC_MSG_RESULT($enable_benchmark)
1674 AS_IF([test "x$enable_benchmark" = "xyes"],
1675       [AC_DEFINE_UNQUOTED(ENABLE_BENCHMARK,1,[Benchmarks are enabled])])
1676 AM_CONDITIONAL([ENABLE_BENCHMARK], [test "x$enable_benchmark" = "xyes"])
1677
1678
1679 # should expensive tests be run?
1680 AC_MSG_CHECKING(whether to run expensive tests)
1681 AC_ARG_ENABLE([expensivetests],
1682    [AS_HELP_STRING([--enable-expensivetests], [enable running expensive testcases])],
1683    [enable_expensive=${enableval}],
1684    [enable_expensive=no])
1685 AC_MSG_RESULT($enable_expensive)
1686 AM_CONDITIONAL([HAVE_EXPENSIVE_TESTS], [test "x$enable_expensive" = "xyes"])
1687
1688 # should ports be open for Java services?
1689 AC_MSG_CHECKING(whether to enable ports for gnunet-java)
1690 AC_ARG_ENABLE([javaports],
1691    [AS_HELP_STRING([--enable-javaports], [use non-zero ports for services with Java bindings (default is NO)])],
1692    [enable_java_ports=${enableval}],
1693    [enable_java_ports=no])
1694 AC_MSG_RESULT($enable_java_ports)
1695 AS_IF([test "x$enable_java_ports" = "xyes"],
1696  [JAVAPORT=""],
1697  [JAVAPORT="$UNIXONLY"])
1698 AC_SUBST(JAVAPORT)
1699
1700 # should benchmarks be run?
1701 AC_MSG_CHECKING(whether to run benchmarks during make check)
1702 AC_ARG_ENABLE([benchmarks],
1703    [AS_HELP_STRING([--enable-benchmarks], [enable running benchmarks during make check])],
1704    [enable_benchmarks=${enableval}],
1705    [enable_benchmarks=no])
1706 AC_MSG_RESULT($enable_benchmarks)
1707 AM_CONDITIONAL([HAVE_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
1708
1709 # should gnunet-testing be compiled
1710 AC_MSG_CHECKING(whether to compile gnunet-testing)
1711 AC_ARG_ENABLE([testing],
1712    [AS_HELP_STRING([--disable-testing], [do not build gnunet-testing])],
1713    [enable_testing=${enableval}],
1714    [enable_testing=yes])
1715 AC_MSG_RESULT($enable_testing)
1716 AM_CONDITIONAL([HAVE_TESTING], [test "x$enable_testing" = "xyes"])
1717
1718 # should experimental code be compiled (code that may not yet compile)?
1719 AC_MSG_CHECKING(whether to compile experimental code)
1720 AC_ARG_ENABLE([experimental],
1721    [AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
1722    [enable_experimental=${enableval}],
1723    [enable_experimental=no])
1724 AC_MSG_RESULT($enable_experimental)
1725 AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
1726
1727 # should malicious code be compiled (should only be used for testing)?
1728 AC_MSG_CHECKING(whether to compile malicious code)
1729 AC_ARG_ENABLE([malicious],
1730    [AS_HELP_STRING([--enable-malicious], [enable compiling malicious code])],
1731    [AS_IF([test "x$enableval" = "xno"],
1732      [malicious=0],
1733      [malicious=1])],
1734    [malicious=0
1735     enable_malicious=no])
1736 AC_MSG_RESULT($enable_malicious)
1737 AM_CONDITIONAL([ENABLE_MALICIOUS], [test 1=$malicious])
1738 AC_DEFINE_UNQUOTED([ENABLE_MALICIOUS], [$malicious],
1739                    [enable compilation of malicious code])
1740
1741 # should services be started on demand when needed?
1742 # Some services may choose to never start by default
1743 # and it is up to the service/module developer to decide
1744 # by having "START_ON_DEMAND = NO" instead of
1745 # "START_ON_DEMAND = @START_ON_DEMAND@"
1746 # in the service/module's conf.in file.
1747 # See also IMMEDIATE_START for an unconditional immediate start.
1748 START_ON_DEMAND="YES"
1749 AC_MSG_CHECKING(whether to start peer's services on demand by default)
1750 AC_ARG_ENABLE([autostart],
1751    [AS_HELP_STRING([--disable-autostart], [do not start peer's services by default])],
1752    [enable_autostart=${enableval}
1753     AS_IF([test "x$enable_autostart" = "xno"],
1754       [START_ON_DEMAND="NO"])
1755    ],
1756    [enable_autostart=yes])
1757 AC_MSG_RESULT($enable_autostart)
1758 #AM_CONDITIONAL([HAVE_START_ON_DEMAND], [test "x$enable_autostart" = "xyes"])
1759 AC_SUBST(START_ON_DEMAND)
1760
1761 # should memory statistics be kept (very expensive CPU-wise!)
1762 AC_MSG_CHECKING(whether to create expensive statistics on memory use)
1763 AC_ARG_ENABLE([heapstats],
1764    [AS_HELP_STRING([--enable-heapstats], [enable expensive heap statistics])],
1765    [enable_heapstats=1],
1766    [enable_heapstats=0])
1767 AC_MSG_RESULT($enable_heapstats)
1768 AC_DEFINE_UNQUOTED([ENABLE_HEAP_STATISTICS],$enable_heapstats,[enable expensive heap statistics])
1769
1770
1771 # Check if the __thread storage class for
1772 # thread-local storage is available.
1773 AC_MSG_CHECKING(whether __thread is supported)
1774 AC_LINK_IFELSE(
1775 [AC_LANG_PROGRAM([#include <stdlib.h>
1776                    #undef __thread
1777                    static __thread int a = 1;],
1778                   [exit(a-1);])],
1779  [have_thread_local_gcc=1],[have_thread_local_gcc=0])
1780 AC_DEFINE_UNQUOTED([HAVE_THREAD_LOCAL_GCC],$have_thread_local_gcc,[Define this if __thread is supported])
1781 AS_IF([test "x$have_thread_local_gcc" = "x1"],
1782       [AC_MSG_RESULT(yes)],
1783       [AC_MSG_RESULT(no)])
1784
1785 # gcov compilation
1786 AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
1787 AC_ARG_ENABLE([coverage],
1788               AS_HELP_STRING([--enable-coverage],
1789                              [compile the library with code coverage support]),
1790               [use_gcov=${enableval}],
1791               [use_gcov=no])
1792 AC_MSG_RESULT($use_gcov)
1793 AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
1794
1795
1796 # version info
1797 # TODO: git blame says this predates our switch to git.
1798 # git-svn should be adjusted to simply git, or
1799 # an external script that does the job.
1800 AC_PATH_PROG(svnversioncommand, svnversion)
1801 AC_PATH_PROG(gitcommand, git)
1802 AC_MSG_CHECKING(for source being under a VCS)
1803
1804
1805 # version info
1806 AC_PATH_PROG(gitcommand, git)
1807 AC_MSG_CHECKING(for source being under a VCS)
1808 git_version=
1809 AS_IF([test ! "X$gitcommand" = "X"],
1810 [
1811   git_version=$(cd $srcdir ; git rev-list --full-history --all --abbrev-commit | head -n 1 2>/dev/null)
1812 ])
1813 AS_IF([test "X$git_version" = "X"],
1814   [
1815     vcs_name="no"
1816     vcs_version="\"release\""
1817   ],
1818   [
1819     vcs_name="yes, git-svn"
1820     vcs_version="\"git-$git_version\""
1821   ])
1822 AC_MSG_RESULT($vcs_name)
1823
1824 AC_MSG_CHECKING(VCS version)
1825 AC_MSG_RESULT($vcs_version)
1826 AC_DEFINE_UNQUOTED(VCS_VERSION, [$vcs_version], [VCS revision/hash or tarball version])
1827
1828 AC_CONFIG_FILES([
1829 Makefile
1830 bin/Makefile
1831 contrib/Makefile
1832 contrib/hellos/Makefile
1833 contrib/services/Makefile
1834 contrib/services/openrc/Makefile
1835 contrib/services/systemd/Makefile
1836 contrib/scripts/Makefile
1837 contrib/scripts/gnunet-logread/Makefile
1838 doc/Makefile
1839 doc/man/Makefile
1840 doc/doxygen/Makefile
1841 doc/handbook/Makefile
1842 doc/tutorial/Makefile
1843 m4/Makefile
1844 po/Makefile.in
1845 src/Makefile
1846 src/arm/Makefile
1847 src/arm/arm.conf
1848 src/ats/Makefile
1849 src/ats/ats.conf
1850 src/ats-tool/Makefile
1851 src/ats-tests/Makefile
1852 src/auction/Makefile
1853 src/block/Makefile
1854 src/cadet/Makefile
1855 src/cadet/cadet.conf
1856 src/core/Makefile
1857 src/core/core.conf
1858 src/consensus/Makefile
1859 src/consensus/consensus.conf
1860 src/conversation/Makefile
1861 src/conversation/conversation.conf
1862 src/curl/Makefile
1863 src/datacache/Makefile
1864 src/datastore/Makefile
1865 src/datastore/datastore.conf
1866 src/dht/Makefile
1867 src/dht/dht.conf
1868 src/dns/Makefile
1869 src/dns/dns.conf
1870 src/exit/Makefile
1871 src/fragmentation/Makefile
1872 src/fs/Makefile
1873 src/fs/fs.conf
1874 src/gns/Makefile
1875 src/gns/gns.conf
1876 src/gns/nss/Makefile
1877 src/gnsrecord/Makefile
1878 src/hello/Makefile
1879 src/identity/Makefile
1880 src/identity/identity.conf
1881 src/abd/Makefile
1882 src/abd/abd.conf
1883 src/include/Makefile
1884 src/integration-tests/Makefile
1885 src/json/Makefile
1886 src/hostlist/Makefile
1887 src/my/Makefile
1888 src/mysql/Makefile
1889 src/namecache/Makefile
1890 src/namecache/namecache.conf
1891 src/namestore/Makefile
1892 src/namestore/namestore.conf
1893 src/nat/Makefile
1894 src/nat/nat.conf
1895 src/nat-auto/Makefile
1896 src/nat-auto/nat-auto.conf
1897 src/nse/Makefile
1898 src/nse/nse.conf
1899 src/nt/Makefile
1900 src/peerinfo/Makefile
1901 src/peerinfo/peerinfo.conf
1902 src/peerinfo-tool/Makefile
1903 src/peerstore/Makefile
1904 src/peerstore/peerstore.conf
1905 src/pq/Makefile
1906 src/pt/Makefile
1907 src/regex/Makefile
1908 src/regex/regex.conf
1909 src/revocation/Makefile
1910 src/revocation/revocation.conf
1911 src/rps/Makefile
1912 src/rps/rps.conf
1913 src/secretsharing/Makefile
1914 src/secretsharing/secretsharing.conf
1915 src/scalarproduct/Makefile
1916 src/scalarproduct/scalarproduct.conf
1917 src/set/Makefile
1918 src/set/set.conf
1919 src/sq/Makefile
1920 src/statistics/Makefile
1921 src/statistics/statistics.conf
1922 src/template/Makefile
1923 src/testbed/Makefile
1924 src/testbed/testbed.conf
1925 src/testbed-logger/Makefile
1926 src/testbed-logger/testbed-logger.conf
1927 src/testing/Makefile
1928 src/topology/Makefile
1929 src/transport/Makefile
1930 src/transport/transport.conf
1931 src/util/Makefile
1932 src/util/resolver.conf
1933 src/vpn/Makefile
1934 src/vpn/vpn.conf
1935 src/zonemaster/Makefile
1936 src/zonemaster/zonemaster.conf
1937 src/rest/Makefile
1938 src/abe/Makefile
1939 src/reclaim/Makefile
1940 pkgconfig/Makefile
1941 pkgconfig/gnunetarm.pc
1942 pkgconfig/gnunetats.pc
1943 pkgconfig/gnunetblock.pc
1944 pkgconfig/gnunetcadet.pc
1945 pkgconfig/gnunetconsensus.pc
1946 pkgconfig/gnunetconversation.pc
1947 pkgconfig/gnunetcore.pc
1948 pkgconfig/gnunetdatacache.pc
1949 pkgconfig/gnunetdatastore.pc
1950 pkgconfig/gnunetdht.pc
1951 pkgconfig/gnunetdns.pc
1952 pkgconfig/gnunetenv.pc
1953 pkgconfig/gnunetfragmentation.pc
1954 pkgconfig/gnunetfs.pc
1955 pkgconfig/gnunetgns.pc
1956 pkgconfig/gnunethello.pc
1957 pkgconfig/gnunetidentity.pc
1958 pkgconfig/gnunetmicrophone.pc
1959 pkgconfig/gnunetmysql.pc
1960 pkgconfig/gnunetnamestore.pc
1961 pkgconfig/gnunetnat.pc
1962 pkgconfig/gnunetnse.pc
1963 pkgconfig/gnunetpeerinfo.pc
1964 pkgconfig/gnunetpq.pc
1965 pkgconfig/gnunetregex.pc
1966 pkgconfig/gnunetrevocation.pc
1967 pkgconfig/gnunetrps.pc
1968 pkgconfig/gnunetscalarproduct.pc
1969 pkgconfig/gnunetset.pc
1970 pkgconfig/gnunetspeaker.pc
1971 pkgconfig/gnunetstatistics.pc
1972 pkgconfig/gnunettestbed.pc
1973 pkgconfig/gnunettesting.pc
1974 pkgconfig/gnunettransport.pc
1975 pkgconfig/gnunetutil.pc
1976 pkgconfig/gnunetvpn.pc
1977 ])
1978 AC_OUTPUT
1979
1980
1981 # FIXME: `some modules' -> be more specific which exact modules.
1982
1983 # java ports
1984 AS_IF([test "x$enable_java_ports" = "xyes"],
1985       [AC_MSG_NOTICE([Opening TCP ports by default to enable gnunet-java bindings.])])
1986
1987 ####
1988 #### This could be moved to the checks above,
1989 #### but for now let's keep it here.
1990 ####
1991 transport_msg="tcp udp unix"
1992 AS_IF([test "x$build_target" = "xlinux" -a "x$enable_experimental" = "xyes"],
1993       [transport_msg="$transport_msg wlan"])
1994 # -- print message regarding enabled experimental features
1995 experimental_msg="no"
1996 AS_IF([test "x$enable_experimental" = "xyes"],
1997       [experimental_msg="yes"])
1998 # -- libidn 2
1999 AS_IF([test "x$working_libidn2" = x1],
2000       [libidn2_msg="libidn2"])
2001 # -- libidn 1
2002 AS_IF([test "x$working_libidn1" = x1],
2003       [libidn1_msg="libidn1"])
2004 # -- texi2mdoc-generation
2005 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
2006       [mdocml_msg="yes"],
2007       [mdocml_msg="no"])
2008 # -- texi2mdoc
2009 AS_IF([test "x$TEXI2MDOC_BINARY" = "false"],
2010       [AC_MSG_NOTICE([texi2mdoc binary not found (will not generate mdoc documentation)])
2011        texi2mdoc_msg="no (optional)"],
2012       [texi2mdoc_msg="yes"])
2013 # -- mandoc
2014 AS_IF([test "x$MANDOC_BINARY" = "false"],
2015       [AC_MSG_NOTICE([mandoc binary not found (will not generate handbook as man page)])
2016        mandoc_msg="no"],
2017       [mandoc_msg="yes"])
2018 # -- texinfo
2019 AS_IF([test "x$makeinfo" != "x1"],
2020       [texinfo_msg="no"],
2021       [texinfo_msg="yes"])
2022 # -- conversation
2023 conversation_msg="no"
2024 AS_IF([test "x$conversation_backend" = "xnone"],
2025       [AS_IF([test "x$pulse" != "x1"],
2026              [libpulse_msg="no (required for conversation)"],
2027              [libpulse_msg="yes"])
2028        AS_IF([test "x$opus" != "x1"],
2029              [libopus_msg="no (required for conversation)"],
2030              [libopus_msg="yes"])
2031        AS_IF([test "x$gst" != "x1"],
2032              [gstreamer_msg="no (required for conversation)"],
2033              [gstreamer_msg="yes"])],
2034       [AS_IF([test "x$opus" = x1],
2035              [conversation_msg="yes (x$conversation_backend)"],
2036              [AC_MSG_WARN([libopus not found (required to build conversation)])])])
2037 # -- rest
2038 rest_msg="no"
2039 AS_IF([test "x$lmhd" = "x1"],
2040       [AS_IF([test "x$jansson" = "x1"],
2041              [rest_msg="yes"],
2042              [rest_msg="no (libjansson missing)"])],
2043       [rest_msg="no (libmicrohttpd missing)"])
2044 # -- reclaim
2045 AS_IF([test "x$lmhd" = "x1"],
2046       [AS_IF([test "x$jansson" = "x1"],
2047              [reclaim_msg="yes (with OpenID Connect)"],
2048              [reclaim_msg="yes (without OpenID Connect, missing libjansson)"],
2049       [reclaim_msg="yes (without OpenID Connect, missing libmicrohttpd)"])])
2050
2051
2052 # -- interface
2053 interface_msg=`echo $DEFAULT_INTERFACE | tr -d \"`
2054 # -- libmicrohttpd
2055 AS_IF([test "x$lmhd" = "x0"],
2056       [libmicrohttpd_msg="no (REST service and HTTP transport will not be built)"],
2057       [libmicrohttpd_msg="yes"
2058        transport_msg="$transport_msg http_server"])
2059 # -- jansson
2060 AS_IF([test "x$jansson" = "x0"],
2061       [jansson_msg="no (REST service will not be built)"],
2062       [jansson_msg="yes"])
2063 # -- libextractor
2064 AS_IF([test "$extractor" != 1],
2065       [AC_MSG_WARN([libextractor not found, but various file-sharing functions require it])],
2066       [libextractor_msg="yes"])
2067 # -- libzbar
2068 AS_IF([test "x$zbar" = "x1"],
2069       [libzbar_msg="yes"],
2070       [libzbar_msg="no (gnunet-qr will not be built)"])
2071 # -- libgnurl
2072 AS_IF([test "$gnurl" = "0"],
2073       [AS_IF([test "x$curl" = "xfalse"],
2074              [AC_MSG_WARN([libgnurl not found. http client support will not be compiled.])
2075               AC_MSG_WARN([IMPORTANT: No HTTP client library found. HTTP transports and hostlist daemon will not be compiled, and you probably WANT the hostlist daemon])
2076               curl_msg="no"],
2077              [AC_MSG_NOTICE([libgnurl not found, trying to use libcurl-gnutls instead.])
2078               curl_msg="yes"])],
2079        [gnurl_msg="yes"
2080         transport_msg="$transport_msg http_client"])
2081 # -- ifconfig
2082 AS_IF([test "$VAR_IFCONFIG_BINARY" = "false"],
2083       [ifconfig_msg="no (optional, some features will not work)"],
2084       [ifconfig_msg="yes"])
2085 # -- upnpc
2086 AS_IF([test "$VAR_UPNPC_BINARY" = "false"],
2087       [upnpc_msg="no (optional, NAT traversal using UPnPc will not work)"],
2088       [upnpc_msg="yes"])
2089 # -- iptables
2090 AS_IF([test "$VAR_IPTABLES_BINARY" = "false"],
2091       [iptables_msg="no (optional, DNS query interception will not work)"],
2092       [iptables_msg="yes"])
2093 # -- bluetooth
2094 AS_IF([test "x$bluetooth" = "x0"],
2095       [bluetooth_msg="no (optional)"],
2096       [bluetooth_msg="yes"
2097        transport_msg="$transport_msg bluetooth"])
2098 # -- gnutls
2099 AS_IF([test x$gnutls != xtrue],
2100       [AC_MSG_WARN([GnuTLS not found, gnunet-gns-proxy will not be built])
2101        gnutls_msg="no (gnunet-gns-proxy will not be built)"],
2102       [AS_IF([test "x$gnutls_dane" != "x1"],
2103              [AC_MSG_WARN([GnuTLS lacks DANE support, DANE validation will not be possible])
2104               gnutls_msg="yes (without DANE support)"],
2105              [gnutls_msg="yes (with DANE support)"])])
2106 # -- databases
2107 # TODO: this always returns true, the check might
2108 # TODO: not be working as intended (for msqlfail).
2109 AS_IF([test "$mysql" = true],
2110       [features_msg="$features_msg mysql"
2111        mysql_msg="yes"],
2112       [mysql_msg="no"])
2113 AS_IF([test x$mysqlfail = xtrue],
2114       [AC_MSG_WARN([MySQL not found (or too old), will not create MySQL database support])
2115        mysql_msg="unsupported version"])
2116 AS_IF([test "$sqlite" = true],
2117       [features_msg="$features_msg sqlite"
2118        sqlite_msg="yes"],
2119       [AC_MSG_ERROR([sqlite3 not found, but sqlite3 is required.])
2120        sqlite_msg="no"])
2121 AS_IF([test "$postgres" = true],
2122       [features_msg="$features_msg postgres"
2123        postgres_msg="yes"],
2124       [postgres_msg="no"])
2125 # -- features
2126 # ---- 1. replace spaces with newlines,
2127 # ---- 2. sort the lines,
2128 # ---- 3. replace the newlines with spaces.
2129 features_msg=`echo $features_msg | tr ' ' '\012' | sort | tr '\012' ' '`
2130 AC_SUBST(features_msg)
2131
2132
2133 # The summary
2134 # TODO: reduce the length of the last message block, following "IMPORTANT".
2135
2136 AC_MSG_NOTICE([
2137 Detected system
2138 ===============
2139
2140 GNUnet version:                 ${VERSION}
2141
2142 Host setup:                     ${host}
2143 Install prefix:                 ${prefix}
2144 Compiler:                       ${CC}
2145 CFLAGS:                         ${CFLAGS}
2146 CPPFLAGS:                       ${CPPFLAGS}
2147 LDFLAGS:                        ${LDFLAGS}
2148 LIBS:                           ${LIBS}
2149 Build Target:                   $build_target
2150
2151 Default Interface:              ${interface_msg}
2152
2153 MySQL:                          ${mysql_msg}
2154 PostgreSQL:                     ${postgres_msg}
2155 sqlite3:                        ${sqlite_msg}
2156 gnurl:                          ${gnurl_msg}
2157 curl:                           ${curl_msg}
2158 bluetooth:                      ${bluetooth_msg}
2159 jansson:                        ${jansson_msg}
2160 iptables:                       ${iptables_msg}
2161 ifconfig:                       ${ifconfig_msg}
2162 upnpc:                          ${upnpc_msg}
2163 gnutls:                         ${gnutls_msg}
2164 libzbar:                        ${libzbar_msg}
2165 java:                           ${java_msg}
2166 libmicrohttpd:                  ${libmicrohttpd_msg}
2167 libidn:                         ${libidn1_msg}${libidn2_msg}
2168 libopus:                        ${libopus_msg}
2169 gstreamer:                      ${gstreamer_msg}
2170 libpulse:                       ${libpulse_msg}
2171 libextractor:                   ${libextractor_msg}
2172 texi2mdoc:                      ${texi2mdoc_msg}
2173 mandoc:                         ${mandoc_msg}
2174
2175 GNUnet configuration:
2176 =====================
2177 transports:                     ${transport_msg}
2178 reclaimID:                      ${reclaim_msg}
2179 conversation:                   ${conversation_msg}
2180 rest:                           ${rest_msg}
2181 database backends:              ${features_msg}
2182 experimental:                   ${experimental_msg}
2183
2184 texinfo manual:                 ${texinfo_msg}
2185 transpiled mdocml manual:       ${mdocml_msg}
2186 ])
2187
2188 AS_IF([test x$MSG_USER_SETUP != xfalse],
2189  [AC_MSG_WARN([Please make sure NOW to create a user and group 'gnunet' and additionally a group 'gnunetdns'. Make sure that '/var/lib/gnunet' is owned (and writable) by user 'gnunet'.])
2190   AS_IF([test x$HAVE_GNUNET_USER != 0],
2191     [AC_MSG_NOTICE([To do this on this system, run:
2192 # addgroup gnunetdns
2193 # adduser --system --disabled-login --home /var/lib/gnunet gnunet
2194 ])])
2195   AC_MSG_WARN([Each user of GNUnet should be added to the 'gnunet' group.])
2196   AS_IF([test x$HAVE_GNUNET_USER != 0],
2197     [AC_MSG_NOTICE([To do this on this system, run:
2198 # adduser USERNAME gnunet
2199    for each of your users, replacing \"USERNAME\" with the respective login name. Users may have to login again for the changes to take effect.
2200 ])])])
2201
2202 AC_MSG_NOTICE([For detailed setup instructions, type 'info gnunet' after the installation or visit https://docs.gnunet.org/])