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], [0.11.8], [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([memset_s], [],
 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 = $target
 693
 694 # check for bluetooth library
 695 bluetooth=0
 696 AC_MSG_CHECKING(for libbluetooth)
 697 AC_ARG_WITH(libbluetooth,
 698     [  --with-libbluetooth=PREFIX (base of libbluetooth installation)],
 699     [AC_MSG_RESULT([$with_libbluetooth])
 700      AS_CASE([$with_libbluetooth],
 701         [no],[],
 702         [yes],[
 703             CHECK_LIBHEADER(BLUETOOTH,
 704                             bluetooth,
 705                             ba2str,
 706                             bluetooth/bluetooth.h,
 707                             bluetooth=1,)
 708         ],[
 709             LDFLAGS="-L$with_libbluetooth/lib $LDFLAGS"
 710             CPPFLAGS="-I$with_libbluetooth/include $CPPFLAGS"
 711             AC_CHECK_HEADERS(bluetooth/bluetooth.h,
 712                              AC_CHECK_LIB([bluetooth],
 713                                           [ba2str],
 714                                           EXT_LIB_PATH="-L$with_libbluetooth/lib $EXT_LIB_PATH"
 715                                           bluetooth=1))
 716         ])
 717     ],
 718     [AC_MSG_RESULT([--with-libbluetooth not specified])
 719      CHECK_LIBHEADER(BLUETOOTH,
 720                      bluetooth,
 721                      ba2str,
 722                      bluetooth/bluetooth.h,
 723                      bluetooth=1,)])
 724 AM_CONDITIONAL(HAVE_LIBBLUETOOTH, [test "$bluetooth" = 1])
 725 AS_IF([test "$bluetooth" = 1],
 726       [AC_DEFINE([HAVE_LIBBLUETOOTH],[1],[Have bluetooth library])],
 727       [AC_DEFINE([HAVE_LIBBLUETOOTH],[0],[Lacking bluetooth library])])
 728
 729 # check for zbar library
 730 # NOTE: Do not add checks for: -lSM, -lICE, -lX11, -lXv and -ljpeg
 731 # NOTE: they must be provided by the build environment, not the
 732 # NOTE: build-system of gnunet, as they are 2nd or 3rd level dependencies.
 733 zbar=0
 734 AC_MSG_CHECKING(for libzbar)
 735 AC_ARG_WITH(zbar,
 736    [  --with-zbar=PREFIX (base of libzbar installation)],
 737    [AC_MSG_RESULT([$with_zbar])
 738     AS_CASE([$with_zbar],
 739       [no],[],
 740       [yes],[CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)],
 741       [
 742         LDFLAGS="-L$with_zbar/lib $LDFLAGS"
 743         CPPFLAGS="-I$with_zbar/include $CPPFLAGS"
 744         AC_CHECK_HEADERS(zbar.h,
 745           AC_CHECK_LIB([zbar], [zbar_processor_create],
 746             EXT_LIB_PATH="-L$with_zbar/lib $EXT_LIB_PATH"
 747             zbar=1))
 748        ])
 749    ],
 750    [AC_MSG_RESULT([--with-zbar not specified])
 751     CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)])
 752 AM_CONDITIONAL(HAVE_ZBAR, [test "$zbar" = 1])
 753 AS_IF([test "x$zbar" = x1],
 754       [AC_DEFINE([HAVE_ZBAR],[1],[Have zbar library])],
 755       [AC_DEFINE([HAVE_ZBAR],[0],[Lacking zbar library])])
 756
 757 # check for jansson library
 758 jansson=0
 759 AC_MSG_CHECKING(for libjansson)
 760 AC_ARG_WITH(jansson,
 761    [  --with-jansson=PREFIX (base of libjansson installation)],
 762    [AC_MSG_RESULT([$with_jansson])
 763     AS_CASE([$with_jansson],
 764       [no],[],
 765       [yes],[
 766         CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)
 767       ],[
 768         LDFLAGS="-L$with_jansson/lib $LDFLAGS"
 769         CPPFLAGS="-I$with_jansson/include $CPPFLAGS"
 770         AC_CHECK_HEADERS(jansson.h,
 771           AC_CHECK_LIB([jansson], [json_loads],
 772             EXT_LIB_PATH="-L$with_jansson/lib $EXT_LIB_PATH"
 773             jansson=1))
 774       ])
 775    ],
 776    [AC_MSG_RESULT([--with-jansson not specified])
 777     CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)])
 778 AM_CONDITIONAL(HAVE_JANSSON, [test "$jansson" = 1])
 779 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
 780 AS_IF([test "x$jansson" = x1],
 781       [AC_DEFINE([HAVE_JANSSON],[1],[Have jansson library])],
 782       [AC_DEFINE([HAVE_JANSSON],[0],[Lacking jansson library])])
 783
 784
 785 # check for libpulse(audio) library
 786 pulse=0
 787 libpulse_msg="no"
 788 AC_MSG_CHECKING(for libpulse)
 789 # TODO: --with-libpulse or --with-pulseaudio? What is more established
 790 # TODO: in this context?
 791 AC_ARG_WITH(libpulse,
 792     [  --with-libpulse=PREFIX (base of libpulse installation)],
 793     [AC_MSG_RESULT([$with_libpulse])
 794      AS_CASE([$with_libpulse],
 795         [no],[],
 796         [yes],[
 797             CHECK_LIBHEADER(LIBPULSE,
 798                             pulse,
 799                             pa_stream_peek,
 800                             pulse/simple.h,
 801                             pulse=1,)
 802         ],[
 803             LDFLAGS="-L$with_libpulse/lib $LDFLAGS"
 804             CPPFLAGS="-I$with_libpulse/include $CPPFLAGS"
 805             AC_CHECK_HEADERS(pulse/simple.h,
 806                              AC_CHECK_LIB([pulse],
 807                                           [pa_stream_peek],
 808                                           EXT_LIB_PATH="-L$with_libpulse/lib $EXT_LIB_PATH"
 809                                           pulse=1))
 810         ])
 811     ],
 812     [AC_MSG_RESULT([--with-libpulse not specified])
 813      CHECK_LIBHEADER(LIBPULSE,
 814                      pulse,
 815                      pa_stream_peek,
 816                      pulse/simple.h,
 817                      pulse=1,)])
 818 AM_CONDITIONAL(HAVE_PULSE, [test "$pulse" = 1])
 819 AS_IF([test x"$pulse" = x1],
 820       [AC_DEFINE([HAVE_PULSE],[1],[Have libpulse(audio) library])
 821        libpulse_msg="yes"],
 822       [AC_DEFINE([HAVE_PULSE],[0],[Lacking libpulse(audio) library])
 823        libpulse_msg="no"])
 824
 825 # check for libopus(audio) library
 826 opus=0
 827 libopus_msg="no"
 828 AC_MSG_CHECKING(for libopus)
 829 AC_ARG_WITH(libopus,
 830     [  --with-libopus=PREFIX (base of libopus installation)],
 831     [AC_MSG_RESULT([$with_libopus])
 832      AS_CASE([$with_libopus],
 833         [no],[],
 834         [yes],[
 835             CHECK_LIBHEADER(LIBOPUS,
 836                             opus,
 837                             opus_decode_float,
 838                             opus/opus.h,
 839                             AC_CHECK_DECL([OPUS_SET_GAIN],
 840                                           [opus=1],
 841                                           [],
 842                                           [[
 843                                           #include <opus/opus.h>
 844                                           ]]))
 845     ],[
 846         LDFLAGS="-L$with_libopus/lib $LDFLAGS"
 847         CPPFLAGS="-I$with_libopus/include $CPPFLAGS"
 848         AC_CHECK_HEADERS(opus/opus.h,
 849                          AC_CHECK_LIB([opus],
 850                                       [OPUS_SET_GAIN],
 851                                       EXT_LIB_PATH="-L$with_libopus/lib $EXT_LIB_PATH"
 852                                       opus=1))
 853       ])
 854     ],
 855     [AC_MSG_RESULT([--with-libopus not specified])
 856      CHECK_LIBHEADER(LIBOPUS,
 857                      opus,
 858                      opus_decode_float,
 859                      opus/opus.h,
 860                      AC_CHECK_DECL([OPUS_SET_GAIN],
 861                                    [opus=1],
 862                                    [],
 863                                    [[
 864                                      #include <opus/opus.h>
 865                                    ]]))])
 866 AM_CONDITIONAL(HAVE_OPUS, [test "$opus" = 1])
 867 AS_IF([test "x$opus" = x1],
 868       [AC_DEFINE([HAVE_OPUS],[1],[Have libopus library])
 869        libopus_msg="yes"],
 870       [AC_DEFINE([HAVE_OPUS],[0],[Lacking libopus library])
 871        libopus_msg="no (required for conversation)"])
 872
 873 # libogg
 874 AC_MSG_CHECKING(for libogg)
 875 AC_ARG_WITH(libogg,
 876     [  --with-libogg=PREFIX (base of libogg installation)],
 877     [AC_MSG_RESULT([$with_libogg])
 878      AS_CASE([$with_libogg],
 879         [no],[],
 880         [yes],[
 881             CHECK_LIBHEADER(LIBOGG,
 882                             ogg,
 883                             ogg_stream_flush_fill,
 884                             ogg/ogg.h,
 885                             ogg=1,)
 886         ],[
 887             LDFLAGS="-L$with_libogg/lib $LDFLAGS"
 888             CPPFLAGS="-I$with_libogg/include $CPPFLAGS"
 889             AC_CHECK_HEADERS(ogg/ogg.h,
 890                              AC_CHECK_LIB([ogg],
 891                                           [ogg_stream_flush_fill],
 892                                           EXT_LIB_PATH="-L$with_libogg/lib $EXT_LIB_PATH"
 893                                           ogg=1))
 894         ])
 895      ],
 896      [AC_MSG_RESULT([--with-libogg not specified])
 897       CHECK_LIBHEADER(LIBOGG,
 898                       ogg,
 899                       ogg_stream_flush_fill,
 900                       ogg/ogg.h,
 901                       ogg=1,)])
 902 AM_CONDITIONAL(HAVE_OGG, [test "$ogg" = 1])
 903 AS_IF([test x"$ogg" = x1],
 904       [AC_DEFINE([HAVE_OGG],[1],[Have ogg])]
 905       [AC_DEFINE([HAVE_OGG],[0],[Lacking ogg])])
 906
 907
 908 PKG_CHECK_MODULES([GLIB],
 909                   [glib-2.0],
 910   [# check for pbc library
 911   pbc=0
 912    AC_CHECK_HEADER([pbc/pbc.h],pbc=1)
 913    AC_CHECK_HEADER([gabe.h],abe=1)
 914    AM_CONDITIONAL(HAVE_PBC, [test "x$pbc" = x1])
 915    AM_CONDITIONAL(HAVE_ABE, [test "x$abe" = x1])
 916    AS_IF([test "x$pbc" = x1],
 917      [AC_DEFINE([HAVE_PBC],[1],[Have pbc library])],
 918      [AC_DEFINE([HAVE_PBC],[0],[Lacking pbc library])])
 919    AS_IF([test "x$abe" = x1],
 920     [AC_DEFINE([HAVE_ABE],[1],[Have ABE library])],
 921     [AC_DEFINE([HAVE_ABE],[0],[Lacking ABE library])])],
 922   [# glib-2 not found
 923    AM_CONDITIONAL(HAVE_PBC, [false])
 924    AM_CONDITIONAL(HAVE_ABE, [false])
 925    AC_DEFINE([HAVE_PBC],[0],[Lacking glib library])])
 926
 927
 928 gst=0
 929 gstreamer_msg="no"
 930 AC_MSG_CHECKING(for gstreamer)
 931 PKG_CHECK_MODULES(
 932   [GST],
 933   [glib-2.0 gobject-2.0 gstreamer-1.0 gstreamer-app-1.0 gstreamer-audio-1.0],
 934   [gst=1
 935    gstreamer_msg="yes"],
 936   [gst=0])
 937
 938 # conversation
 939 AC_MSG_CHECKING(conversation feature set to build)
 940 AS_IF([test "x$pulse" != "x1" -o "x$opus" != "x1" -o "x$ogg" != "x1"],[
 941  AS_IF([test "x$gst" != "x1"],[
 942   conversation_backend=none
 943   AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 944   AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 945   AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 946  ],[
 947    conversation_backend=gst
 948    AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 949    AM_CONDITIONAL(BUILD_GST_HELPERS, true)
 950    AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 951  ])
 952 ],[
 953  conversation_backend=pulse
 954  AM_CONDITIONAL(BUILD_PULSE_HELPERS, true)
 955  AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 956  AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 957 ])
 958
 959 AS_IF([test "x$conversation_backend" = "xnone"],
 960       AM_CONDITIONAL(BUILD_CONVERSATION, false),
 961       AM_CONDITIONAL(BUILD_CONVERSATION, true))
 962
 963 # libgnurl
 964 LIBGNURL_CHECK_CONFIG(,7.34.0,gnurl=1,gnurl=0)
 965
 966 SAVE_CPPFLAGS=$CPPFLAGS
 967 CPPFLAGS="$LIBGNURL_CPPFLAGS $LIBCURL_CPPFLAGS $CPPFLAGS"
 968 LIBS="$LIBGNURL $LIBCURL $LIBS"
 969
 970 # libcurl-gnutls
 971 LIBCURL_CHECK_CONFIG(,7.34.0,[curl=true],[curl=false])
 972 AS_IF([test "x$curl" = xtrue],[
 973  AC_CHECK_HEADER([curl/curl.h],
 974   AC_CHECK_DECLS(CURLINFO_TLS_SESSION,[curl=true],[curl=false],[[#include <curl/curl.h>]]),
 975   [curl=false])
 976  # need libcurl-gnutls.so, everything else is not acceptable
 977  AC_CHECK_LIB([curl-gnutls],[curl_easy_getinfo],,[curl=false])
 978  # cURL must support CURLINFO_TLS_SESSION, version >= 7.34
 979 ])
 980
 981 # libcurl and libgnurl should be mutually exclusive
 982 AS_IF([test "$gnurl" = 1],
 983       [AM_CONDITIONAL(HAVE_LIBGNURL, true)
 984        AC_DEFINE([HAVE_LIBGNURL],[1],[Have libgnurl])
 985        AM_CONDITIONAL(HAVE_LIBCURL, false)
 986        AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])],
 987       [AS_IF([test "$curl" = true],
 988              [AM_CONDITIONAL(HAVE_LIBGNURL, false)
 989               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
 990               AM_CONDITIONAL(HAVE_LIBCURL, true)
 991               AC_DEFINE([HAVE_LIBCURL],[1],[Have libcurl])],
 992              [AC_MSG_WARN([ERROR: GNUnet requires libcurl-gnutls or gnurl >= 7.34])
 993               AM_CONDITIONAL(HAVE_LIBGNURL, false)
 994               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
 995               AM_CONDITIONAL(HAVE_LIBCURL, false)
 996               AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])])])
 997
 998 AC_SEARCH_LIBS(__atomic_load_8, atomic, [have_libatomic=1 AC_DEFINE(HAVE_LIBATOMIC,1,[external libatomic])])
 999 AM_CONDITIONAL(HAVE_LIBATOMIC, [test "$have_libatomic" = 1])
1000
1001 # restore LIBS & CPPFLAGS
1002 LIBS=$SAVE_LIBS
1003 CPPFLAGS=$SAVE_CPPFLAGS
1004
1005
1006 AC_CHECK_HEADERS([nss.h],[nss=true],[nss=false])
1007 AS_IF([test x$nss = xfalse],
1008   [
1009         AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1010         AC_MSG_WARN([No GNU libc nss header, will not build NSS plugin])
1011   ],[
1012         NSS_INCLUDES="
1013         #include <nss.h>
1014         "
1015         AC_CHECK_DECL([NSS_STATUS_UNAVAIL],
1016                 [AM_CONDITIONAL(HAVE_GLIBCNSS, true)],
1017                 [AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1018                  AC_MSG_WARN([No nss header fails to define NSS_STATUS_UNAVAIl, will not build NSS plugin])],
1019                 [$NSS_INCLUDES])
1020 ])
1021
1022
1023
1024 # test for kvm and kstat (for CPU stats under BSD/Solaris)
1025 AC_CHECK_LIB([kvm],[kvm_open])
1026 AC_CHECK_LIB([kstat],[kstat_open])
1027
1028
1029 # should the build process be restricted to the code required
1030 # for GNU Taler wallets?
1031 AC_MSG_CHECKING(whether to compile GNU Taler Wallet library ONLY)
1032 AC_ARG_ENABLE([taler-wallet],
1033    [AS_HELP_STRING([--enable-taler-wallet], [only compile for Taler wallet])],
1034    [taler_only=${enableval}],
1035    [taler_only=no])
1036 AC_MSG_RESULT($taler_only)
1037 AS_IF([test "x$taler_only" = "xyes"],
1038 [
1039   AM_CONDITIONAL([TALER_ONLY],true)
1040   AC_DEFINE([TALER_WALLET_ONLY],[1],[Compiling for Taler wallet])
1041 ],[
1042   AM_CONDITIONAL([TALER_ONLY],false)
1043   AC_DEFINE([TALER_WALLET_ONLY],[0],[Canonical compilation])
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 "$extractor" != 1],
1075  [
1076  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, false)
1077  AC_DEFINE([HAVE_LIBEXTRACTOR],[0],[Lacking libextractor])
1078  ],[
1079  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, true)
1080  AC_DEFINE([HAVE_LIBEXTRACTOR],[1],[Have libextractor])
1081  ])
1082
1083
1084 AS_IF([test "$taler_only" != yes],[
1085
1086
1087 # Check for libltdl header (#2999)
1088 ltdl=0
1089 AC_MSG_CHECKING(for libltdl)
1090 AC_ARG_WITH(ltdl,
1091    [AS_HELP_STRING([--with-ltdl=PREFIX],[base of libltdl installation])],
1092    [AC_MSG_RESULT([$with_ltdl])
1093     AS_CASE([$with_ltdl],
1094       [no],[],
1095       [yes],[
1096         AC_CHECK_HEADERS(ltdl.h,
1097           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1098             ltdl=1))
1099       ],[
1100         LDFLAGS="-L$with_ltdl/lib $LDFLAGS"
1101         CPPFLAGS="-I$with_ltdl/include $CPPFLAGS"
1102         AC_CHECK_HEADERS(ltdl.h,
1103           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1104             EXT_LIB_PATH="-L$with_ltdl/lib $EXT_LIB_PATH"
1105             ltdl=1))
1106       ])
1107    ],
1108    [AC_MSG_RESULT([--with-ltdl not specified])
1109     AC_CHECK_HEADERS(ltdl.h,
1110      AC_CHECK_LIB([ltdl], [lt_dlopenext],
1111       ltdl=1))])
1112 AS_IF([test x$ltdl = x1],
1113 [
1114  AC_MSG_RESULT([libltdl found])
1115 ],[
1116  AC_MSG_ERROR([GNUnet requires libltdl (from GNU libtool).])
1117 ])
1118 # restore LIBS
1119 LIBS=$SAVE_LIBS
1120
1121 # libidn and libidn2. The ideal goal is this:
1122 # check for libidn2, if it doesn't exist check for libidn
1123 # if both exist, prefer libidn2
1124 # if none exist, fail and message that libidn or libidn2
1125 # is required with a preference for libidn2.
1126 # TODO: What we have right here can probably be improved.
1127 AC_MSG_CHECKING(for idn or idn2)
1128
1129 AC_MSG_CHECKING(for idn)
1130 my_with_libidn=1
1131 AC_ARG_WITH(libidn,
1132             AS_HELP_STRING([--with-libidn=pathname],
1133                            [Support IDN (needs libidn)]),
1134             [],
1135             [withval="yes"])
1136 AS_IF([test x_$withval = x_yes],
1137       [AC_CHECK_HEADERS([idna.h],
1138                         AC_MSG_NOTICE([Found idna.h]),
1139                         AC_CHECK_HEADERS([idn/idna.h],
1140                                          AC_MSG_NOTICE([Found idn/idna.h]),
1141                                          my_with_libidn=0))],
1142       [AS_IF([test x_$withval != x_no],
1143              [CFLAGS="$CFLAGS -I$withval/include"
1144               LDFLAGS="$LDFLAGS -L$withval/lib"
1145               AC_CHECK_HEADERS([idna.h],
1146                                AC_MSG_NOTICE([Found idna.h]),
1147                                    [AC_MSG_NOTICE([Failed to find idna.h])
1148                                my_with_libidn=0])],
1149              [my_with_libidn=0])])
1150
1151 AC_MSG_CHECKING(for idn2)
1152 my_with_libidn2=1
1153 AC_ARG_WITH(libidn2,
1154             AS_HELP_STRING([--with-libidn2=pathname],
1155                            [Support IDN (needs libidn2)]),
1156             [],
1157             [withval="yes"])
1158 AS_IF([test x_$withval = x_yes],
1159       [AC_CHECK_HEADERS([idn2.h],
1160                         AC_MSG_NOTICE([Found idn2.h]),
1161                         AC_CHECK_HEADERS([idn2/idn2.h],
1162                                          AC_MSG_NOTICE([Found idn2/idn2.h]),
1163                                          [AC_MSG_NOTICE([Failed to find idn2.h])
1164                                          my_with_libidn2=0]))],
1165       [AS_IF([test x_$withval != x_no],
1166              [CFLAGS="$CFLAGS -I$withval/include"
1167               LDFLAGS="$LDFLAGS -L$withval/lib"],
1168                   [my_with_libidn2=0])])
1169
1170 AC_MSG_CHECKING([if libidn can be used])
1171 # Check for LIBIDNs
1172 there_can_only_be_one=1
1173
1174 working_libidn1=0
1175 working_libidn2=0
1176 AS_IF([test x$my_with_libidn2 = x1],
1177       [AC_MSG_NOTICE([Checking for libidn2])
1178        AC_CHECK_LIB([idn2],
1179                     [idn2_to_unicode_8z8z],
1180                     [working_libidn2=1
1181                     LIBS="-lidn2 $LIBS"
1182                     AC_DEFINE_UNQUOTED([HAVE_LIBIDN2],
1183                                        [1],
1184                                        [Define to 1 if you have 'libidn2' (-lidn2).])],
1185                     [MISSING_DEPS="${MISSING_DEPS}${MISSING_SEP}libidn2"
1186                      MISSING_SEP=", "])])
1187 AM_CONDITIONAL(HAVE_LIBIDN2, test x$working_libidn2 = x1)
1188 AS_IF([test x$working_libidn2 = x0],
1189       [AS_IF([test x$my_with_libidn = x1],
1190              [AC_MSG_NOTICE([Checking for libidn])
1191               AC_CHECK_LIB([idn],
1192                            [idna_to_ascii_8z],
1193                            [working_libidn1=1
1194                            LIBS="-lidn $LIBS"
1195                            AC_DEFINE_UNQUOTED([HAVE_LIBIDN],
1196                                               [1],
1197                                               [Define to 1 if you have 'libidn' (-lidn).])],
1198                            [there_can_only_be_one=0])],
1199              [AS_IF([test x$my_with_libidn2 = x1],
1200                     [there_can_only_be_one=0
1201                      AC_MSG_FAILURE([* There can only be one libidn.
1202                                      * Provide either libidn >= 1.13
1203                                      * or
1204                                      * libidn2 to the configure
1205                                      * script via
1206                                      * --with-libidn2
1207                                      * --with-libidn])])])])
1208 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
1209
1210 AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
1211       [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
1212
1213 AS_IF([test x$there_can_only_be_one = x0],
1214       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])
1215
1216 # test for zlib
1217 SAVE_LDFLAGS=$LDFLAGS
1218 SAVE_CPPFLAGS=$CPPFLAGS
1219 AC_ARG_WITH(zlib,
1220             [  --with-zlib[[=DIR]]       use libz in DIR],
1221             [AS_IF([test "$withval" = "no"],
1222                    [AC_MSG_ERROR([GNUnet requires zlib])],
1223                    [test "$withval" != "yes"],
1224                    [Z_DIR=$withval
1225                     CPPFLAGS="${CPPFLAGS} -I$withval/include"
1226                     LDFLAGS="${LDFLAGS} -L$withval/lib"])])
1227 AC_CHECK_HEADER(zlib.h,
1228                 [],
1229                 [AC_MSG_ERROR([GNUnet requires zlib])])
1230 AC_CHECK_LIB(z,
1231              compress2,
1232              [AC_DEFINE([HAVE_ZLIB],
1233                         [],
1234                         [Have compression library])
1235               if test "x${Z_DIR}" != "x"; then
1236                       Z_CFLAGS="-I${Z_DIR}/include"
1237                       Z_LIBS="-L${Z_DIR}/lib -lz"
1238               else
1239                       Z_LIBS="-lz"
1240               fi],
1241               [AC_MSG_ERROR([GNUnet requires zlib])])
1242 AC_SUBST(Z_CFLAGS)
1243 AC_SUBST(Z_LIBS)
1244
1245 AS_IF([test "$enable_shared" = "no"],
1246       [AC_MSG_ERROR([GNUnet only works with shared libraries. Sorry.])])
1247
1248
1249 # restore LIBS
1250 LIBS=$SAVE_LIBS
1251
1252
1253 # end of taler-only being false
1254 ])
1255
1256
1257 # check for iconv
1258 AM_ICONV
1259
1260 # test for libunistring
1261 gl_LIBUNISTRING
1262 AS_IF([test $HAVE_LIBUNISTRING != yes],
1263       [AC_MSG_ERROR([GNUnet requires libunistring])])
1264
1265 # under emscripten, $gl_libunistring_hexversion is undefined
1266 if test "$taler_only" != yes; then
1267
1268 AS_IF([test "x$gl_libunistring_hexversion" = "x" || test "$gl_libunistring_hexversion" -le 2305],
1269       [AC_MSG_ERROR([GNUnet requires libunistring >= 0.9.1.1])])
1270 fi
1271 AC_CHECK_HEADERS([unistr.h],
1272                  ,
1273                  AC_MSG_ERROR([Compiling GNUnet requires unistr.h (from libunistring) to be installed]))
1274
1275 # restore LIBS
1276 LIBS=$SAVE_LIBS
1277
1278
1279
1280 # Checks for standard header files.
1281 AC_HEADER_DIRENT
1282 AC_HEADER_STDC
1283
1284 # Check for headers that are ALWAYS required
1285 AC_CHECK_HEADERS([fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h],,AC_MSG_ERROR([Compiling GNUnet requires standard UNIX headers files: fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h]))
1286
1287
1288
1289 # Checks for headers that are only required on some systems or
1290 # opional (and where we do NOT abort if they are not there)
1291 AC_CHECK_HEADERS([stdatomic.h malloc.h malloc/malloc.h malloc/malloc_np.h langinfo.h sys/param.h sys/mount.h sys/statvfs.h sys/select.h sockLib.h sys/mman.h sys/msg.h sys/vfs.h arpa/inet.h fcntl.h libintl.h netdb.h netinet/in.h sys/ioctl.h sys/socket.h sys/time.h unistd.h kstat.h sys/sysinfo.h kvm.h sys/file.h sys/resource.h ifaddrs.h mach/mach.h stddef.h sys/timeb.h argz.h ucred.h sys/ucred.h endian.h sys/endian.h execinfo.h byteswap.h])
1292
1293 # FreeBSD requires this for netinet/in_systm.h and netinet/ip.h
1294 AC_CHECK_HEADERS([sys/types.h netinet/in_systm.h netinet/in.h netinet/ip.h],,,
1295 [#ifdef HAVE_SYS_TYPES_H
1296 #include <sys/types.h>
1297 #endif
1298 #ifdef HAVE_NETINET_IN_SYSTM_H
1299 #include <netinet/in_systm.h>
1300 #endif
1301 #ifdef HAVE_NETINET_IN_H
1302 #include <netinet/in.h>
1303 #endif
1304 ])
1305
1306 SAVE_LDFLAGS=$LDFLAGS
1307 SAVE_CPPFLAGS=$CPPFLAGS
1308
1309 # test for sqlite
1310 sqlite=false
1311 AC_MSG_CHECKING(for SQLite)
1312 AC_ARG_WITH(sqlite,
1313   [  --with-sqlite=PFX       base of SQLite installation],
1314   [AC_MSG_RESULT("$with_sqlite")
1315    AS_CASE([$with_sqlite],
1316      [no],[],
1317      [yes],[
1318       AC_CHECK_HEADERS(sqlite3.h,
1319       sqlite=true)],
1320      [
1321     LDFLAGS="-L$with_sqlite/lib $LDFLAGS"
1322     CPPFLAGS="-I$with_sqlite/include $CPPFLAGS"
1323     AC_CHECK_HEADERS(sqlite3.h,
1324      EXT_LIB_PATH="-L$with_sqlite/lib $EXT_LIB_PATH"
1325      SQLITE_LDFLAGS="-L$with_sqlite/lib"
1326      SQLITE_CPPFLAGS="-I$with_sqlite/include"
1327      sqlite=true)
1328     LDFLAGS=$SAVE_LDFLAGS
1329     CPPFLAGS=$SAVE_CPPFLAGS
1330     ])
1331   ],
1332   [AC_MSG_RESULT([--with-sqlite not specified])
1333     AC_CHECK_HEADERS(sqlite3.h, sqlite=true)])
1334 AM_CONDITIONAL(HAVE_SQLITE, test x$sqlite = xtrue)
1335 AC_SUBST(SQLITE_CPPFLAGS)
1336 AC_SUBST(SQLITE_LDFLAGS)
1337
1338 LDFLAGS=$SAVE_LDFLAGS
1339 CPPFLAGS=$SAVE_CPPFLAGS
1340
1341 # test for postgres:
1342 postgres=false
1343 # even running the check for postgres breaks emscripten
1344 AS_IF([test "$taler_only" != yes],
1345       [AX_LIB_POSTGRESQL([9.5],
1346         [CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
1347          AC_CHECK_HEADERS([libpq-fe.h],
1348          postgres=true)
1349         ],
1350         [AC_MSG_RESULT([no postgres])])])
1351
1352 AM_CONDITIONAL(HAVE_POSTGRESQL, test x$postgres = xtrue)
1353 AS_IF([test "x$postgres" = xtrue],
1354       [AC_DEFINE([HAVE_POSTGRESQL],[1],[Have PostgreSQL])],
1355       [AC_DEFINE([HAVE_POSTGRESQL],[0],[Lacking PostgreSQL])])
1356
1357 LDFLAGS=$SAVE_LDFLAGS
1358 CPPFLAGS=$SAVE_CPPFLAGS
1359
1360 # mysql & windows
1361 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
1362 AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
1363
1364 # test for mysql
1365 mysql=false
1366 mysqlfail=false
1367 SAVE_LDFLAGS=$LDFLAGS
1368 SAVE_CPPFLAGS=$CPPFLAGS
1369 AC_MSG_CHECKING(for mysql)
1370 AC_ARG_WITH(mysql,
1371   [  --with-mysql=PFX        base of MySQL installation],
1372   [AC_MSG_RESULT([$with_mysql])
1373    AS_CASE([$with_mysql],
1374      [no],[],
1375      [yes|""],[
1376       AC_CHECK_HEADERS(mysql/mysql.h,
1377        AC_CHECK_LIB(mysqlclient, mysql_init,
1378        mysql=true), [], [])
1379      ],[
1380       LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql $LDFLAGS $ZLIBS"
1381       CPPFLAGS="-I$with_mysql/include $CPPFLAGS"
1382       AC_CHECK_HEADERS(mysql/mysql.h,
1383        AC_CHECK_LIB(mysqlclient, mysql_init,
1384         MYSQL_LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql"
1385         MYSQL_CPPFLAGS="-I$with_mysql/include"
1386
1387         mysql=true), [], [])
1388      ])
1389   ],
1390   [AC_MSG_RESULT([--with-mysql not specified])
1391    if test -d "/usr/lib64/mysql"; then
1392     MYSQL_LIBDIR="/usr/lib64/mysql"
1393    elif test -d "/usr/lib/mysql"; then
1394     MYSQL_LIBDIR="/usr/lib/mysql"
1395    else
1396     MYSQL_LIBDIR="/usr/lib"
1397    fi
1398    LDFLAGS="-L$MYSQL_LIBDIR $LDFLAGS $ZLIBS"
1399    AC_CHECK_LIB(mysqlclient, mysql_init,
1400     [AC_CHECK_HEADERS(mysql/mysql.h,
1401       MYSQL_LDFLAGS="-L$MYSQL_LIBDIR"
1402       mysql=true
1403
1404      , [], [])])
1405   ])
1406
1407 AC_SUBST(MYSQL_LDFLAGS)
1408 AC_SUBST(MYSQL_CPPFLAGS)
1409
1410 # additional version check for mysql
1411 AC_ARG_ENABLE(mysql-version-check, [  --disable-mysql-version-check  do not check MySQL version],, enable_mysql_version_check=yes)
1412 AS_IF([test "$mysql" = "true" -a "x$enable_mysql_version_check" = "xyes"],
1413  [
1414   AC_MSG_CHECKING(mysql version)
1415   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1416     [[
1417       #include <mysql/mysql.h>]],
1418     [[
1419       #if (MYSQL_VERSION_ID < 40100)
1420       #error needs at least version >= 4.1
1421       #endif
1422       int main () { return 0; }
1423     ]])
1424     ],
1425     [mysql=true],
1426     [mysql=false])
1427   AS_IF([test x$mysql = xfalse],
1428    [
1429     mysqlfail=true
1430     AC_MSG_WARN([fail, MySQL >= 4.1 required])
1431    ],[
1432     AC_MSG_NOTICE([success, will keep $mysqlfail])
1433     mysqlfail=false
1434     AC_MSG_RESULT(ok)
1435    ])
1436 ])
1437
1438 AM_CONDITIONAL(HAVE_MYSQL, test x$mysql = xtrue)
1439 AM_CONDITIONAL(HAVE_MYSQLE, false)
1440 # restore LIBS
1441 LIBS=$SAVE_LIBS
1442 LDFLAGS=$SAVE_LDFLAGS
1443 CPPFLAGS=$SAVE_CPPFLAGS
1444
1445 # TODO: should this test for "or" not "and"?
1446 # TODO: Add postgres?
1447 AS_IF([test "$sqlite" = 0 -a "$mysql" = 0],
1448 [
1449  AC_MSG_ERROR([GNUnet requires SQLite or MySQL / MariaDB.])
1450 ])
1451
1452 # libmicrohttpd
1453 lmhd=0
1454 m4_define([MHD_MODULE], [libmicrohttpd >= 0.9.63])
1455 AC_ARG_WITH(microhttpd,
1456    [AS_HELP_STRING([--with-microhttpd[[=PFX]]],
1457        [base of libmicrohttpd installation])],
1458    [],
1459    [with_microhttpd=check])
1460 AS_CASE([$with_microhttpd],
1461    [no], [],
1462    [yes], [PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])],
1463    [check], [PKG_CHECK_MODULES([MHD], [MHD_MODULE],
1464        [lmhd=1],
1465        [AC_MSG_WARN([Building without libmicrohttpd])])],
1466    [SAVE_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
1467     PKG_CONFIG_PATH=$with_microhttpd/lib/pkgconfig
1468     export PKG_CONFIG_PATH
1469     PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])
1470     PKG_CONFIG_PATH=$SAVE_PKG_CONFIG_PATH])
1471 AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
1472 AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
1473
1474 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
1475
1476 # restore LIBS
1477 LIBS=$SAVE_LIBS
1478
1479 # check for gettext
1480 AM_GNU_GETTEXT([external])
1481 AM_GNU_GETTEXT_VERSION([0.18.1])
1482
1483 # Checks for standard typedefs, structures, and compiler characteristics.
1484 AC_TYPE_PID_T
1485 AC_TYPE_SIZE_T
1486 AC_TYPE_MODE_T
1487 AC_HEADER_TIME
1488 AC_HEADER_STAT
1489 AC_HEADER_STDBOOL
1490 AC_STRUCT_TM
1491
1492 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
1493    [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
1494    ],
1495    [],
1496    [
1497       #include <sys/types.h>
1498       #include <sys/socket.h>
1499       #include <netinet/in.h>
1500    ])
1501
1502 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
1503                 [ AC_DEFINE(HAVE_SOCKADDR_UN_SUN_LEN,
1504                             1,
1505                             [Do we have sockaddr_un.sun_len?])],
1506                 [],
1507                 [
1508                 #include <sys/types.h>
1509                 #include <sys/socket.h>
1510                 #include <sys/un.h>
1511                 ])
1512
1513
1514
1515 # Checks for library functions.
1516 AC_FUNC_CLOSEDIR_VOID
1517 AC_FUNC_FORK
1518 AC_PROG_GCC_TRADITIONAL
1519 AC_FUNC_MEMCMP
1520 AC_FUNC_SELECT_ARGTYPES
1521 AC_FUNC_CHOWN
1522
1523 AC_TYPE_SIGNAL
1524 AC_FUNC_STAT
1525 AC_FUNC_STRFTIME
1526 AC_FUNC_VPRINTF
1527 AC_HEADER_SYS_WAIT
1528 AC_TYPE_OFF_T
1529 AC_TYPE_UID_T
1530 AC_CHECK_FUNCS([atoll stat64 strnlen mremap getrlimit setrlimit sysconf initgroups strndup gethostbyname2 getpeerucred getpeereid setresuid $funcstocheck getifaddrs freeifaddrs getresgid mallinfo malloc_size malloc_usable_size getrusage random srandom stat statfs statvfs wait4])
1531
1532 # restore LIBS
1533 LIBS=$SAVE_LIBS
1534
1535 GN_INTLINCL=""
1536 GN_LIBINTL="$LTLIBINTL"
1537 AC_ARG_ENABLE(framework,
1538               [AS_HELP_STRING([--enable-framework],[enable Mac OS X framework build helpers])],
1539               enable_framework_build=$enableval)
1540 AM_CONDITIONAL(WANT_FRAMEWORK,
1541                test x$enable_framework_build = xyes)
1542 AS_IF([test x$enable_framework_build = xyes],
1543       [AC_DEFINE([FRAMEWORK_BUILD],
1544                  1,
1545                  [Build a Mac OS X Framework])
1546       GN_INTLINCL='-I$(top_srcdir)/src/intlemu'
1547       GN_LIBINTL='$(top_builddir)/src/intlemu/libintlemu.la -framework CoreFoundation'
1548       AC_LIB_APPENDTOVAR([CPPFLAGS],
1549                          [$GN_INTLINCL])])
1550
1551 GN_LIB_LDFLAGS="-export-dynamic -no-undefined"
1552 GN_PLUGIN_LDFLAGS="-export-dynamic -avoid-version -module -no-undefined"
1553
1554 AC_SUBST(GN_LIB_LDFLAGS)
1555 AC_SUBST(GN_PLUGIN_LDFLAGS)
1556 AC_SUBST(GN_INTLINCL)
1557 AC_SUBST(GN_LIBINTL)
1558
1559 AC_SUBST(CPPFLAGS)
1560 AC_SUBST(LIBS)
1561 AC_SUBST(LDFLAGS)
1562 AC_SUBST(EXT_LIB_PATH)
1563 AC_SUBST(EXT_LIBS)
1564
1565 AC_SUBST(LIBPREFIX)
1566 AC_SUBST(DLLDIR)
1567 AC_SUBST(EXT_LIB_PATH)
1568
1569 DATAROOTDIR=$datarootdir
1570 AC_SUBST(DATAROOTDIR)
1571
1572 # test for sudo
1573 AC_MSG_CHECKING(for sudo)
1574 #AC_CHECK_PROGS(SUDO_BINARY, [sudo], false)
1575 #AM_CONDITIONAL(HAVE_SUDO, test x$SUDO_BINARY != xfalse)
1576 AC_ARG_WITH(sudo,
1577            [  --with-sudo=PATH       path to sudo binary (or just yes)],
1578            [AC_MSG_RESULT("$with_sudo")
1579             AS_CASE([$with_sudo],
1580                     [no],[SUDO_BINARY=],
1581                     [yes],[SUDO_BINARY=sudo],
1582                     [SUDO_BINARY=$with_sudo])],
1583            [AC_MSG_RESULT([no])])
1584 AC_SUBST(SUDO_BINARY)
1585 AM_CONDITIONAL([HAVE_SUDO],
1586               [test "x$SUDO_BINARY" != "x" -o -w /])
1587
1588 # test for doas
1589 AC_MSG_CHECKING(for doas)
1590 AC_CHECK_PROGS(DOAS_BINARY, [doas], false)
1591 AM_CONDITIONAL(HAVE_DOAS_BINARY, test x$DOAS_BINARY != xfalse)
1592
1593 # test for gnunetdns group name
1594 GNUNETDNS_GROUP=gnunetdns
1595 AC_MSG_CHECKING(for gnunetdns group name)
1596 AC_ARG_WITH(gnunetdns,
1597             [  --with-gnunetdns=GRPNAME       name for gnunetdns group],
1598             [AC_MSG_RESULT("$with_gnunetdns")
1599              AS_CASE([$with_gnunetdns],
1600                      [no],[GNUNETDNS_GROUP=gnunet],
1601                      [yes],[GNUNETDNS_GROUP=gnunetdns],
1602                      [GNUNETDNS_GROUP=$with_gnunetdns])],
1603             [AC_MSG_RESULT([gnunetdns])])
1604 AC_SUBST(GNUNETDNS_GROUP)
1605
1606
1607
1608 # gnutls
1609 gnutls=0
1610 gnutls_dane=0
1611 AC_MSG_CHECKING(for gnutls)
1612 AC_ARG_WITH(gnutls,
1613             [  --with-gnutls=PFX   base of gnutls installation],
1614             [AC_MSG_RESULT([$with_gnutls])
1615              AS_CASE([$with_gnutls],
1616                      [no],[],
1617                      [yes],
1618                      [AC_CHECK_HEADERS([gnutls/abstract.h],
1619                                        AC_CHECK_LIB([gnutls],
1620                                                     [gnutls_priority_set],
1621                                                     gnutls=true))
1622                       AC_CHECK_HEADERS([gnutls/dane.h],
1623                                        AC_CHECK_LIB([gnutls-dane],
1624                                                     [dane_verify_crt_raw],
1625                                                     gnutls_dane=1))],
1626
1627         [LDFLAGS="-L$with_gnutls/lib $LDFLAGS"
1628         CPPFLAGS="-I$with_gnutls/include $CPPFLAGS"
1629         AC_CHECK_HEADERS([gnutls/abstract.h],
1630             AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1631               EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH"
1632               gnutls=true))
1633         AC_CHECK_HEADERS([gnutls/dane.h],
1634             AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1635               gnutls_dane=1))
1636       ])
1637    ],
1638    [AC_MSG_RESULT([--with-gnutls not specified])
1639     AC_CHECK_HEADERS([gnutls/abstract.h],
1640         AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1641           gnutls=true))
1642     AC_CHECK_HEADERS([gnutls/dane.h],
1643         AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1644                      gnutls_dane=1))
1645    ])
1646 AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue)
1647 AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have GnuTLS])
1648 AM_CONDITIONAL(HAVE_GNUTLS_DANE, test x$gnutls_dane = x1)
1649 AC_DEFINE_UNQUOTED([HAVE_GNUTLS_DANE], $gnutls_dane, [We have GnuTLS with DANE support])
1650
1651
1652
1653 # Test if we are building for superMUC
1654 AC_MSG_CHECKING(if GNUnet is being configured to run on the SuperMUC)
1655 AC_ARG_ENABLE([supermuc],
1656     [AS_HELP_STRING([--enable-supermuc],
1657        [build GNUnet with support to run on the SuperMUC (default is NO)])],
1658     [AS_IF([test "x$enable_supermuc" = "xno"],
1659       [supermuc=0],
1660       [supermuc=1])],
1661     [supermuc=0
1662      enable_supermuc=no])
1663 AC_MSG_RESULT($enable_SUPERMUC)
1664 AM_CONDITIONAL([ENABLE_SUPERMUC], [test "x$supermuc" = "x1"])
1665 AC_DEFINE_UNQUOTED([ENABLE_SUPERMUC], [$supermuc], [Build with support for SuperMUC])
1666
1667 # Check if NSE has to send timestamp information to testbed logger for
1668 # generating histogram of messages received
1669 AC_MSG_CHECKING(if NSE has to send timestamp information to testbed logger)
1670 AC_ARG_ENABLE([nse-histogram],
1671     [AS_HELP_STRING([--enable-nse-histogram],
1672        [have NSE send timestamp information to testbed logger for generating
1673        histogram of received messages.  NOT useful for production (default is
1674        NO)])],
1675     [AS_IF([test "x$enableval" = "xno"],
1676       [nse_histogram=0],
1677       [nse_histogram=1])],
1678     [nse_histogram=0
1679      enable_nse_histogram=no])
1680 AC_MSG_RESULT($enable_nse_histogram)
1681 AM_CONDITIONAL([ENABLE_NSE_HISTOGRAM], [test "x$nse_histogram" = "x1"])
1682 AC_DEFINE_UNQUOTED([ENABLE_NSE_HISTOGRAM], [$nse_histogram],
1683                    [have NSE send timestamp information to testbed logger])
1684
1685 # should 'make check' run tests?
1686 AC_MSG_CHECKING(whether to run tests)
1687 AC_ARG_ENABLE([testruns],
1688    [AS_HELP_STRING([--disable-testruns], [disable running tests on make check (default is YES)])],
1689    [enable_tests_run=${enableval}],
1690    [enable_tests_run=yes])
1691 AC_MSG_RESULT($enable_test_run)
1692 AM_CONDITIONAL([ENABLE_TEST_RUN], [test "x$enable_tests_run" = "xyes"])
1693
1694
1695 AC_MSG_CHECKING([whether to compile in benchmarks (currently for http and crypto)])
1696 AC_ARG_ENABLE([benchmark],
1697    [AS_HELP_STRING([--enable-benchmark], [enable benchmarking])],
1698    [enable_benchmark=${enableval}],
1699    [enable_benchmark=no])
1700 AC_MSG_RESULT($enable_benchmark)
1701 AS_IF([test "x$enable_benchmark" = "xyes"],
1702       [AC_DEFINE_UNQUOTED(ENABLE_BENCHMARK,1,[Benchmarks are enabled])])
1703 AM_CONDITIONAL([ENABLE_BENCHMARK], [test "x$enable_benchmark" = "xyes"])
1704
1705
1706 # should expensive tests be run?
1707 AC_MSG_CHECKING(whether to run expensive tests)
1708 AC_ARG_ENABLE([expensivetests],
1709    [AS_HELP_STRING([--enable-expensivetests], [enable running expensive testcases])],
1710    [enable_expensive=${enableval}],
1711    [enable_expensive=no])
1712 AC_MSG_RESULT($enable_expensive)
1713 AM_CONDITIONAL([HAVE_EXPENSIVE_TESTS], [test "x$enable_expensive" = "xyes"])
1714
1715 # should ports be open for Java services?
1716 AC_MSG_CHECKING(whether to enable ports for gnunet-java)
1717 AC_ARG_ENABLE([javaports],
1718    [AS_HELP_STRING([--enable-javaports], [use non-zero ports for services with Java bindings (default is NO)])],
1719    [enable_java_ports=${enableval}],
1720    [enable_java_ports=no])
1721 AC_MSG_RESULT($enable_java_ports)
1722 AS_IF([test "x$enable_java_ports" = "xyes"],
1723  [JAVAPORT=""],
1724  [JAVAPORT="$UNIXONLY"])
1725 AC_SUBST(JAVAPORT)
1726
1727 # should benchmarks be run?
1728 AC_MSG_CHECKING(whether to run benchmarks during make check)
1729 AC_ARG_ENABLE([benchmarks],
1730    [AS_HELP_STRING([--enable-benchmarks], [enable running benchmarks during make check])],
1731    [enable_benchmarks=${enableval}],
1732    [enable_benchmarks=no])
1733 AC_MSG_RESULT($enable_benchmarks)
1734 AM_CONDITIONAL([HAVE_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
1735
1736 # should gnunet-testing be compiled
1737 AC_MSG_CHECKING(whether to compile gnunet-testing)
1738 AC_ARG_ENABLE([testing],
1739    [AS_HELP_STRING([--disable-testing], [do not build gnunet-testing])],
1740    [enable_testing=${enableval}],
1741    [enable_testing=yes])
1742 AC_MSG_RESULT($enable_testing)
1743 AM_CONDITIONAL([HAVE_TESTING], [test "x$enable_testing" = "xyes"])
1744
1745 # should experimental code be compiled (code that may not yet compile)?
1746 AC_MSG_CHECKING(whether to compile experimental code)
1747 AC_ARG_ENABLE([experimental],
1748    [AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
1749    [enable_experimental=${enableval}],
1750    [enable_experimental=no])
1751 AC_MSG_RESULT($enable_experimental)
1752 AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
1753
1754 # should malicious code be compiled (should only be used for testing)?
1755 AC_MSG_CHECKING(whether to compile malicious code)
1756 AC_ARG_ENABLE([malicious],
1757    [AS_HELP_STRING([--enable-malicious], [enable compiling malicious code])],
1758    [AS_IF([test "x$enableval" = "xno"],
1759      [malicious=0],
1760      [malicious=1])],
1761    [malicious=0
1762     enable_malicious=no])
1763 AC_MSG_RESULT($enable_malicious)
1764 AM_CONDITIONAL([ENABLE_MALICIOUS], [test 1=$malicious])
1765 AC_DEFINE_UNQUOTED([ENABLE_MALICIOUS], [$malicious],
1766                    [enable compilation of malicious code])
1767
1768 # should services be started on demand when needed?
1769 # Some services may choose to never start by default
1770 # and it is up to the service/module developer to decide
1771 # by having "START_ON_DEMAND = NO" instead of
1772 # "START_ON_DEMAND = @START_ON_DEMAND@"
1773 # in the service/module's conf.in file.
1774 # See also IMMEDIATE_START for an unconditional immediate start.
1775 START_ON_DEMAND="YES"
1776 AC_MSG_CHECKING(whether to start peer's services on demand by default)
1777 AC_ARG_ENABLE([autostart],
1778    [AS_HELP_STRING([--disable-autostart], [do not start peer's services by default])],
1779    [enable_autostart=${enableval}
1780     AS_IF([test "x$enable_autostart" = "xno"],
1781       [START_ON_DEMAND="NO"])
1782    ],
1783    [enable_autostart=yes])
1784 AC_MSG_RESULT($enable_autostart)
1785 #AM_CONDITIONAL([HAVE_START_ON_DEMAND], [test "x$enable_autostart" = "xyes"])
1786 AC_SUBST(START_ON_DEMAND)
1787
1788 # should memory statistics be kept (very expensive CPU-wise!)
1789 AC_MSG_CHECKING(whether to create expensive statistics on memory use)
1790 AC_ARG_ENABLE([heapstats],
1791    [AS_HELP_STRING([--enable-heapstats], [enable expensive heap statistics])],
1792    [enable_heapstats=1],
1793    [enable_heapstats=0])
1794 AC_MSG_RESULT($enable_heapstats)
1795 AC_DEFINE_UNQUOTED([ENABLE_HEAP_STATISTICS],$enable_heapstats,[enable expensive heap statistics])
1796
1797
1798 # Check if the __thread storage class for
1799 # thread-local storage is available.
1800 AC_MSG_CHECKING(whether __thread is supported)
1801 AC_LINK_IFELSE(
1802 [AC_LANG_PROGRAM([#include <stdlib.h>
1803                    #undef __thread
1804                    static __thread int a = 1;],
1805                   [exit(a-1);])],
1806  [have_thread_local_gcc=1],[have_thread_local_gcc=0])
1807 AC_DEFINE_UNQUOTED([HAVE_THREAD_LOCAL_GCC],$have_thread_local_gcc,[Define this if __thread is supported])
1808 AS_IF([test "x$have_thread_local_gcc" = "x1"],
1809       [AC_MSG_RESULT(yes)],
1810       [AC_MSG_RESULT(no)])
1811
1812 # gcov compilation
1813 AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
1814 AC_ARG_ENABLE([coverage],
1815               AS_HELP_STRING([--enable-coverage],
1816                              [compile the library with code coverage support]),
1817               [use_gcov=${enableval}],
1818               [use_gcov=no])
1819 AC_MSG_RESULT($use_gcov)
1820 AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
1821
1822
1823 # version info
1824 # TODO: git blame says this predates our switch to git.
1825 # git-svn should be adjusted to simply git, or
1826 # an external script that does the job.
1827 AC_PATH_PROG(svnversioncommand, svnversion)
1828 AC_PATH_PROG(gitcommand, git)
1829 AC_MSG_CHECKING(for source being under a VCS)
1830
1831
1832 # version info
1833 AC_PATH_PROG(gitcommand, git)
1834 AC_MSG_CHECKING(for source being under a VCS)
1835 git_version=
1836 AS_IF([test ! "X$gitcommand" = "X"],
1837 [
1838   git_version=$(cd $srcdir ; git rev-list --full-history --all --abbrev-commit | head -n 1 2>/dev/null)
1839 ])
1840 AS_IF([test "X$git_version" = "X"],
1841   [
1842     vcs_name="no"
1843     vcs_version="\"release\""
1844   ],
1845   [
1846     vcs_name="yes, git-svn"
1847     vcs_version="\"git-$git_version\""
1848   ])
1849 AC_MSG_RESULT($vcs_name)
1850
1851 AC_MSG_CHECKING(VCS version)
1852 AC_MSG_RESULT($vcs_version)
1853 AC_DEFINE_UNQUOTED(VCS_VERSION, [$vcs_version], [VCS revision/hash or tarball version])
1854
1855 AC_CONFIG_FILES([
1856 Makefile
1857 bin/Makefile
1858 contrib/Makefile
1859 contrib/hellos/Makefile
1860 contrib/services/Makefile
1861 contrib/services/openrc/Makefile
1862 contrib/services/systemd/Makefile
1863 contrib/scripts/Makefile
1864 contrib/scripts/gnunet-logread/Makefile
1865 doc/Makefile
1866 doc/man/Makefile
1867 doc/doxygen/Makefile
1868 doc/handbook/Makefile
1869 doc/tutorial/Makefile
1870 m4/Makefile
1871 po/Makefile.in
1872 src/Makefile
1873 src/arm/Makefile
1874 src/arm/arm.conf
1875 src/ats/Makefile
1876 src/ats/ats.conf
1877 src/ats-tool/Makefile
1878 src/ats-tests/Makefile
1879 src/auction/Makefile
1880 src/block/Makefile
1881 src/cadet/Makefile
1882 src/cadet/cadet.conf
1883 src/core/Makefile
1884 src/core/core.conf
1885 src/consensus/Makefile
1886 src/consensus/consensus.conf
1887 src/conversation/Makefile
1888 src/conversation/conversation.conf
1889 src/curl/Makefile
1890 src/datacache/Makefile
1891 src/datastore/Makefile
1892 src/datastore/datastore.conf
1893 src/dht/Makefile
1894 src/dht/dht.conf
1895 src/dns/Makefile
1896 src/dns/dns.conf
1897 src/exit/Makefile
1898 src/fragmentation/Makefile
1899 src/fs/Makefile
1900 src/fs/fs.conf
1901 src/gns/Makefile
1902 src/gns/gns.conf
1903 src/gns/nss/Makefile
1904 src/gnsrecord/Makefile
1905 src/hello/Makefile
1906 src/identity/Makefile
1907 src/identity/identity.conf
1908 src/abd/Makefile
1909 src/abd/abd.conf
1910 src/include/Makefile
1911 src/integration-tests/Makefile
1912 src/json/Makefile
1913 src/hostlist/Makefile
1914 src/my/Makefile
1915 src/mysql/Makefile
1916 src/namecache/Makefile
1917 src/namecache/namecache.conf
1918 src/namestore/Makefile
1919 src/namestore/namestore.conf
1920 src/nat/Makefile
1921 src/nat/nat.conf
1922 src/nat-auto/Makefile
1923 src/nat-auto/nat-auto.conf
1924 src/nse/Makefile
1925 src/nse/nse.conf
1926 src/nt/Makefile
1927 src/peerinfo/Makefile
1928 src/peerinfo/peerinfo.conf
1929 src/peerinfo-tool/Makefile
1930 src/peerstore/Makefile
1931 src/peerstore/peerstore.conf
1932 src/pq/Makefile
1933 src/pt/Makefile
1934 src/regex/Makefile
1935 src/regex/regex.conf
1936 src/revocation/Makefile
1937 src/revocation/revocation.conf
1938 src/rps/Makefile
1939 src/rps/rps.conf
1940 src/secretsharing/Makefile
1941 src/secretsharing/secretsharing.conf
1942 src/scalarproduct/Makefile
1943 src/scalarproduct/scalarproduct.conf
1944 src/set/Makefile
1945 src/set/set.conf
1946 src/sq/Makefile
1947 src/statistics/Makefile
1948 src/statistics/statistics.conf
1949 src/template/Makefile
1950 src/testbed/Makefile
1951 src/testbed/testbed.conf
1952 src/testbed-logger/Makefile
1953 src/testbed-logger/testbed-logger.conf
1954 src/testing/Makefile
1955 src/topology/Makefile
1956 src/transport/Makefile
1957 src/transport/transport.conf
1958 src/util/Makefile
1959 src/util/resolver.conf
1960 src/vpn/Makefile
1961 src/vpn/vpn.conf
1962 src/zonemaster/Makefile
1963 src/zonemaster/zonemaster.conf
1964 src/rest/Makefile
1965 src/abe/Makefile
1966 src/reclaim-attribute/Makefile
1967 src/reclaim/Makefile
1968 pkgconfig/Makefile
1969 pkgconfig/gnunetarm.pc
1970 pkgconfig/gnunetats.pc
1971 pkgconfig/gnunetblock.pc
1972 pkgconfig/gnunetcadet.pc
1973 pkgconfig/gnunetconsensus.pc
1974 pkgconfig/gnunetconversation.pc
1975 pkgconfig/gnunetcore.pc
1976 pkgconfig/gnunetdatacache.pc
1977 pkgconfig/gnunetdatastore.pc
1978 pkgconfig/gnunetdht.pc
1979 pkgconfig/gnunetdns.pc
1980 pkgconfig/gnunetenv.pc
1981 pkgconfig/gnunetfragmentation.pc
1982 pkgconfig/gnunetfs.pc
1983 pkgconfig/gnunetgns.pc
1984 pkgconfig/gnunethello.pc
1985 pkgconfig/gnunetidentity.pc
1986 pkgconfig/gnunetmicrophone.pc
1987 pkgconfig/gnunetmysql.pc
1988 pkgconfig/gnunetnamestore.pc
1989 pkgconfig/gnunetnat.pc
1990 pkgconfig/gnunetnse.pc
1991 pkgconfig/gnunetpeerinfo.pc
1992 pkgconfig/gnunetpq.pc
1993 pkgconfig/gnunetregex.pc
1994 pkgconfig/gnunetrevocation.pc
1995 pkgconfig/gnunetrps.pc
1996 pkgconfig/gnunetscalarproduct.pc
1997 pkgconfig/gnunetset.pc
1998 pkgconfig/gnunetspeaker.pc
1999 pkgconfig/gnunetstatistics.pc
2000 pkgconfig/gnunettestbed.pc
2001 pkgconfig/gnunettesting.pc
2002 pkgconfig/gnunettransport.pc
2003 pkgconfig/gnunetutil.pc
2004 pkgconfig/gnunetvpn.pc
2005 ])
2006 AC_OUTPUT
2007
2008
2009 # FIXME: `some modules' -> be more specific which exact modules.
2010
2011 # java ports
2012 AS_IF([test "x$enable_java_ports" = "xyes"],
2013       [AC_MSG_NOTICE([Opening TCP ports by default to enable gnunet-java bindings.])])
2014
2015 ####
2016 #### This could be moved to the checks above,
2017 #### but for now let's keep it here.
2018 ####
2019
2020 # -- print message regarding enabled experimental features
2021 AS_IF([test "x$enable_experimental" = "xyes"],
2022       [experimental_msg="experimental features enabled"])
2023 # -- OSX Framework
2024 AS_IF([test "$enable_framework_build" = "yes"],
2025       [macosx_framework_msg="yes"],
2026       [macosx_framework_msg="no"])
2027 # -- libidn 2
2028 AS_IF([test "x$working_libidn2" = x1],
2029       [libidn2_msg="libidn2"])
2030 # -- libidn 1
2031 AS_IF([test "x$working_libidn1" = x1],
2032       [libidn1_msg="libidn1"])
2033 # -- texi2mdoc-generation
2034 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
2035       [mdocml_msg="yes"],
2036       [mdocml_msg="no"])
2037 # -- texi2mdoc
2038 AS_IF([test "x$TEXI2MDOC_BINARY" = "false"],
2039       [AC_MSG_NOTICE([texi2mdoc binary not found (will not generate mdoc documentation)])
2040        texi2mdoc_msg="no (optional)"],
2041       [texi2mdoc_msg="yes"])
2042 # -- mandoc
2043 AS_IF([test "x$MANDOC_BINARY" = "false"],
2044       [AC_MSG_NOTICE([mandoc binary not found (will not generate handbook as man page)])
2045        mandoc_msg="no"],
2046       [mandoc_msg="yes"])
2047 # -- texinfo
2048 AS_IF([test "x$makeinfo" != "x1"],
2049       [texinfo_msg="no"],
2050       [texinfo_msg="yes"])
2051 # -- conversation
2052 AS_IF([test "x$conversation_backend" = "xnone"],
2053       [AS_IF([test "x$pulse" != "x1"],
2054              [AC_MSG_WARN([libpulse(audio) not found (required to build conversation).])
2055               libpulse_msg="no (required for conversation)"],
2056              [libpulse_msg="yes"])
2057        AS_IF([test "x$opus" != "x1"],
2058              [AC_MSG_WARN([libopus not found (required to build conversation)])
2059               libopus_msg="no (required for conversation)"],
2060              [libopus_msg="yes"])
2061        AS_IF([test "x$gst" != "x1"],
2062              [AC_MSG_WARN([GStreamer not found (required to build conversation).])
2063               gstreamer_msg="no (required for conversation)"],
2064              [gstreamer_msg="yes"])],
2065       [AS_IF([test "x$opus" = x1],
2066              [features_msg="$features_msg conversation"],
2067              [AC_MSG_WARN([libopus not found (required to build conversation)])])])
2068 # -- interface
2069 interface_msg=`echo $DEFAULT_INTERFACE | tr -d \"`
2070 # -- libmicrohttpd
2071 AS_IF([test "x$lmhd" != "x1"],
2072       [libmicrohttpd_msg="no (optional)"],
2073       [libmicrohttpd_msg="yes"])
2074 # -- jansson
2075 AS_IF([test "x$jansson" = "x0"],
2076       [jansson_msg="no (optional)"],
2077       [jansson_msg="yes"])
2078 # -- libextractor
2079 AS_IF([test "$extractor" != 1],
2080       [AC_MSG_WARN([libextractor not found, but various file-sharing functions require it])],
2081       [libextractor_msg="yes"])
2082 # -- libzbar
2083 AS_IF([test "x$zbar" = "x1"],
2084       [libzbar_msg="yes"
2085        features_msg="$features_msg gnunet-qr"],
2086       [AC_MSG_NOTICE([zbar not found, gnunet-qr will not be built.])
2087        libzbar_msg="no"])
2088 # -- libgnurl
2089 AS_IF([test "$gnurl" = "0"],
2090       [AS_IF([test "x$curl" = "xfalse"],
2091              [AC_MSG_WARN([libgnurl not found. http client support will not be compiled.])
2092               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])
2093               curl_msg="no"],
2094              [AC_MSG_NOTICE([libgnurl not found, trying to use libcurl-gnutls instead.])
2095               curl_msg="yes"])],
2096        [gnurl_msg="yes"])
2097 # -- ifconfig
2098 AS_IF([test "$VAR_IFCONFIG_BINARY" = "false"],
2099       [AC_MSG_WARN([ifconfig not found, some features will not work])
2100        ifconfig_msg="no (optional)"],
2101       [ifconfig_msg="yes"])
2102 # -- upnpc
2103 AS_IF([test "$VAR_UPNPC_BINARY" = "false"],
2104       [AC_MSG_WARN([upnpc binary not found, NAT traversal using UPnPc will not work])
2105        upnpc_msg="no (optional)"],
2106       [upnpc_msg="yes"])
2107 # -- iptables
2108 AS_IF([test "$VAR_IPTABLES_BINARY" = "false"],
2109       [AC_MSG_WARN([iptables not found, DNS query interception will not work])
2110        iptables_msg="no (optional)"],
2111       [iptables_msg="yes"])
2112 # -- bluetooth
2113 AS_IF([test "x$bluetooth" = "x0"],
2114       [AC_MSG_NOTICE([bluetooth library not found, will not be able to use Bluetooth])
2115        bluetooth_msg="no (optional)"],
2116       [bluetooth_msg="yes"])
2117 # -- gnutls
2118 AS_IF([test x$gnutls != xtrue],
2119       [AC_MSG_WARN([GnuTLS not found, gnunet-gns-proxy will not be built])
2120        gnutls_msg="no"],
2121       [AS_IF([test "x$gnutls_dane" != "x1"],
2122              [AC_MSG_WARN([GnuTLS lacks DANE support, DANE validation will not be possible])
2123               gnutls_msg="yes (without DANE support)"],
2124              [gnutls_msg="yes (with DANE support)"])])
2125 # -- databases
2126 # TODO: this always returns true, the check might
2127 # TODO: not be working as intended (for msqlfail).
2128 AS_IF([test "$mysql" = true],
2129       [features_msg="$features_msg mysql"
2130        mysql_msg="yes"],
2131       [mysql_msg="no"])
2132 AS_IF([test x$mysqlfail = xtrue],
2133       [AC_MSG_WARN([MySQL not found (or too old), will not create MySQL database support])
2134        mysql_msg="unsupported version"])
2135 AS_IF([test "$sqlite" = true],
2136       [features_msg="$features_msg sqlite"
2137        sqlite_msg="yes"],
2138       [AC_MSG_ERROR([sqlite3 not found, but sqlite3 is required.])
2139        sqlite_msg="no"])
2140 AS_IF([test "$postgres" = true],
2141       [features_msg="$features_msg postgres"
2142        postgres_msg="yes"],
2143       [postgres_msg="no"])
2144 # -- features
2145 # ---- 1. replace spaces with newlines,
2146 # ---- 2. sort the lines,
2147 # ---- 3. replace the newlines with spaces.
2148 features_msg=`echo $features_msg | tr ' ' '\012' | sort | tr '\012' ' '`
2149 AC_SUBST(features_msg)
2150
2151
2152 # The summary
2153 # TODO: reduce the length of the last message block, following "IMPORTANT".
2154
2155 AC_MSG_NOTICE([
2156 GNUnet Configuration
2157 ====================
2158
2159 GNUnet version:                 ${VERSION}
2160
2161 Host setup:                     ${host}
2162 Install prefix:                 ${prefix}
2163 Compiler:                       ${CC}
2164 CFLAGS:                         ${CFLAGS}
2165 CPPFLAGS:                       ${CPPFLAGS}
2166 LDFLAGS:                        ${LDFLAGS}
2167 LIBS:                           ${LIBS}
2168 Build Target:                   $build_target
2169 Mac OSX framework build:        ${macosx_framework_msg}
2170
2171 Default Interface:              ${interface_msg}
2172
2173 MySQL:                          ${mysql_msg}
2174 PostgreSQL:                     ${postgres_msg}
2175 sqlite3:                        ${sqlite_msg}
2176 gnurl:                          ${gnurl_msg}
2177 curl:                           ${curl_msg}
2178 bluetooth:                      ${bluetooth_msg}
2179 jansson:                        ${jansson_msg}
2180 iptables:                       ${iptables_msg}
2181 ifconfig:                       ${ifconfig_msg}
2182 upnpc:                          ${upnpc_msg}
2183 gnutls:                         ${gnutls_msg}
2184 libzbar:                        ${libzbar_msg}
2185 java:                           ${java_msg}
2186 libmicrohttpd:                  ${libmicrohttpd_msg}
2187 libidn:                         ${libidn1_msg}${libidn2_msg}
2188 libopus:                        ${libopus_msg}
2189 gstreamer:                      ${gstreamer_msg}
2190 libpulse:                       ${libpulse_msg}
2191 libextractor:                   ${libextractor_msg}
2192 texi2mdoc:                      ${texi2mdoc_msg}
2193 mandoc:                         ${mandoc_msg}
2194
2195 texinfo manual:                 ${texinfo_msg}
2196 transpiled mdocml manual:       ${mdocml_msg}
2197
2198 features:                       ${features_msg}
2199 experimental:                   ${experimental_msg}
2200 ])
2201
2202 AS_IF([test x$MSG_USER_SETUP != xfalse],
2203  [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'.])
2204   AS_IF([test x$HAVE_GNUNET_USER != 0],
2205     [AC_MSG_NOTICE([To do this on this system, run:
2206 # addgroup gnunetdns
2207 # adduser --system --disabled-login --home /var/lib/gnunet gnunet
2208 ])])
2209   AC_MSG_WARN([Each user of GNUnet should be added to the 'gnunet' group.])
2210   AS_IF([test x$HAVE_GNUNET_USER != 0],
2211     [AC_MSG_NOTICE([To do this on this system, run:
2212 # adduser USERNAME gnunet
2213    for each of your users, replacing \"USERNAME\" with the respective login name. Users may have to login again for the changes to take effect.
2214 ])])])
2215
2216 AC_MSG_NOTICE([For detailed setup instructions, type 'info gnunet' after the installation or visit https://docs.gnunet.org/])