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                 [$NSS_INCLUDES])
1028 ])
1029
1030
1031
1032 # test for kvm and kstat (for CPU stats under BSD/Solaris)
1033 AC_CHECK_LIB([kvm],[kvm_open])
1034 AC_CHECK_LIB([kstat],[kstat_open])
1035
1036 # test for argon2 (for POW)
1037 AC_CHECK_LIB([argon2],[argon2d_hash_raw])
1038
1039 # test for libextractor
1040 extractor=0
1041 AC_MSG_CHECKING(for libextractor)
1042 AC_ARG_WITH(extractor,
1043    [  --with-extractor=PREFIX (base of libextractor installation)],
1044    [AC_MSG_RESULT([$with_extractor])
1045     AS_CASE([$with_extractor],
1046       [no],[],
1047       [yes],[
1048         AC_CHECK_HEADERS([extractor.h],
1049           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1050             extractor=1))
1051       ],[
1052         LDFLAGS="-L$with_extractor/lib $LDFLAGS"
1053         CPPFLAGS="-I$with_extractor/include $CPPFLAGS"
1054         AC_CHECK_HEADERS([extractor.h],
1055           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1056             EXT_LIB_PATH="-L$with_extractor/lib $EXT_LIB_PATH"
1057             extractor=1))
1058       ])
1059    ],
1060    [AC_MSG_RESULT([--with-extractor not specified])
1061     AC_CHECK_HEADERS([extractor.h],
1062      AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1063       extractor=1))])
1064 # restore LIBS
1065 LIBS=$SAVE_LIBS
1066
1067 AS_IF([test "$extractor" != 1],
1068  [
1069  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, false)
1070  AC_DEFINE([HAVE_LIBEXTRACTOR],[0],[Lacking libextractor])
1071  ],[
1072  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, true)
1073  AC_DEFINE([HAVE_LIBEXTRACTOR],[1],[Have libextractor])
1074  ])
1075
1076
1077 # Check for libltdl header (#2999)
1078 ltdl=0
1079 AC_MSG_CHECKING(for libltdl)
1080 AC_ARG_WITH(ltdl,
1081    [AS_HELP_STRING([--with-ltdl=PREFIX],[base of libltdl installation])],
1082    [AC_MSG_RESULT([$with_ltdl])
1083     AS_CASE([$with_ltdl],
1084       [no],[],
1085       [yes],[
1086         AC_CHECK_HEADERS(ltdl.h,
1087           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1088             ltdl=1))
1089       ],[
1090         LDFLAGS="-L$with_ltdl/lib $LDFLAGS"
1091         CPPFLAGS="-I$with_ltdl/include $CPPFLAGS"
1092         AC_CHECK_HEADERS(ltdl.h,
1093           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1094             EXT_LIB_PATH="-L$with_ltdl/lib $EXT_LIB_PATH"
1095             ltdl=1))
1096       ])
1097    ],
1098    [AC_MSG_RESULT([--with-ltdl not specified])
1099     AC_CHECK_HEADERS(ltdl.h,
1100      AC_CHECK_LIB([ltdl], [lt_dlopenext],
1101       ltdl=1))])
1102 AS_IF([test x$ltdl = x1],
1103 [
1104  AC_MSG_RESULT([libltdl found])
1105 ],[
1106  AC_MSG_ERROR([GNUnet requires libltdl (from GNU libtool).])
1107 ])
1108 # restore LIBS
1109 LIBS=$SAVE_LIBS
1110
1111 # libidn and libidn2. The ideal goal is this:
1112 # check for libidn2, if it doesn't exist check for libidn
1113 # if both exist, prefer libidn2
1114 # if none exist, fail and message that libidn or libidn2
1115 # is required with a preference for libidn2.
1116 # TODO: What we have right here can probably be improved.
1117 AC_MSG_CHECKING(for idn or idn2)
1118
1119 AC_MSG_CHECKING(for idn)
1120 my_with_libidn=1
1121 AC_ARG_WITH(libidn,
1122             AS_HELP_STRING([--with-libidn=pathname],
1123                            [Support IDN (needs libidn)]),
1124             [],
1125             [withval="yes"])
1126 AS_IF([test x_$withval = x_yes],
1127       [AC_CHECK_HEADERS([idna.h],
1128                         AC_MSG_NOTICE([Found idna.h]),
1129                         AC_CHECK_HEADERS([idn/idna.h],
1130                                          AC_MSG_NOTICE([Found idn/idna.h]),
1131                                          my_with_libidn=0))],
1132       [AS_IF([test x_$withval != x_no],
1133              [CFLAGS="$CFLAGS -I$withval/include"
1134               LDFLAGS="$LDFLAGS -L$withval/lib"
1135               AC_CHECK_HEADERS([idna.h],
1136                                AC_MSG_NOTICE([Found idna.h]),
1137                                    [AC_MSG_NOTICE([Failed to find idna.h])
1138                                my_with_libidn=0])],
1139              [my_with_libidn=0])])
1140
1141 AC_MSG_CHECKING(for idn2)
1142 my_with_libidn2=1
1143 AC_ARG_WITH(libidn2,
1144             AS_HELP_STRING([--with-libidn2=pathname],
1145                            [Support IDN (needs libidn2)]),
1146             [],
1147             [withval="yes"])
1148 AS_IF([test x_$withval = x_yes],
1149       [AC_CHECK_HEADERS([idn2.h],
1150                         AC_MSG_NOTICE([Found idn2.h]),
1151                         AC_CHECK_HEADERS([idn2/idn2.h],
1152                                          AC_MSG_NOTICE([Found idn2/idn2.h]),
1153                                          [AC_MSG_NOTICE([Failed to find idn2.h])
1154                                          my_with_libidn2=0]))],
1155       [AS_IF([test x_$withval != x_no],
1156              [CFLAGS="$CFLAGS -I$withval/include"
1157               LDFLAGS="$LDFLAGS -L$withval/lib"],
1158                   [my_with_libidn2=0])])
1159
1160 AC_MSG_CHECKING([if libidn can be used])
1161 # Check for LIBIDNs
1162 there_can_only_be_one=1
1163
1164 working_libidn1=0
1165 working_libidn2=0
1166 AS_IF([test x$my_with_libidn2 = x1],
1167       [AC_MSG_NOTICE([Checking for libidn2])
1168        AC_CHECK_LIB([idn2],
1169                     [idn2_to_unicode_8z8z],
1170                     [working_libidn2=1
1171                     LIBS="-lidn2 $LIBS"
1172                     AC_DEFINE_UNQUOTED([HAVE_LIBIDN2],
1173                                        [1],
1174                                        [Define to 1 if you have 'libidn2' (-lidn2).])],
1175                     [MISSING_DEPS="${MISSING_DEPS}${MISSING_SEP}libidn2"
1176                      MISSING_SEP=", "])])
1177 AM_CONDITIONAL(HAVE_LIBIDN2, test x$working_libidn2 = x1)
1178 AS_IF([test x$working_libidn2 = x0],
1179       [AS_IF([test x$my_with_libidn = x1],
1180              [AC_MSG_NOTICE([Checking for libidn])
1181               AC_CHECK_LIB([idn],
1182                            [idna_to_ascii_8z],
1183                            [working_libidn1=1
1184                            LIBS="-lidn $LIBS"
1185                            AC_DEFINE_UNQUOTED([HAVE_LIBIDN],
1186                                               [1],
1187                                               [Define to 1 if you have 'libidn' (-lidn).])],
1188                            [there_can_only_be_one=0])],
1189              [AS_IF([test x$my_with_libidn2 = x1],
1190                     [there_can_only_be_one=0
1191                      AC_MSG_FAILURE([* There can only be one libidn.
1192                                      * Provide either libidn >= 1.13
1193                                      * or
1194                                      * libidn2 to the configure
1195                                      * script via
1196                                      * --with-libidn2
1197                                      * --with-libidn])])])])
1198 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
1199
1200 AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
1201       [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
1202
1203 AS_IF([test x$there_can_only_be_one = x0],
1204       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])
1205
1206 # test for zlib
1207 SAVE_LDFLAGS=$LDFLAGS
1208 SAVE_CPPFLAGS=$CPPFLAGS
1209 AC_ARG_WITH(zlib,
1210             [  --with-zlib[[=DIR]]       use libz in DIR],
1211             [AS_IF([test "$withval" = "no"],
1212                    [AC_MSG_ERROR([GNUnet requires zlib])],
1213                    [test "$withval" != "yes"],
1214                    [Z_DIR=$withval
1215                     CPPFLAGS="${CPPFLAGS} -I$withval/include"
1216                     LDFLAGS="${LDFLAGS} -L$withval/lib"])])
1217 AC_CHECK_HEADER(zlib.h,
1218                 [],
1219                 [AC_MSG_ERROR([GNUnet requires zlib])])
1220 AC_CHECK_LIB(z,
1221              compress2,
1222              [AC_DEFINE([HAVE_ZLIB],
1223                         [],
1224                         [Have compression library])
1225               if test "x${Z_DIR}" != "x"; then
1226                       Z_CFLAGS="-I${Z_DIR}/include"
1227                       Z_LIBS="-L${Z_DIR}/lib -lz"
1228               else
1229                       Z_LIBS="-lz"
1230               fi],
1231               [AC_MSG_ERROR([GNUnet requires zlib])])
1232 AC_SUBST(Z_CFLAGS)
1233 AC_SUBST(Z_LIBS)
1234
1235 AS_IF([test "$enable_shared" = "no"],
1236       [AC_MSG_ERROR([GNUnet only works with shared libraries. Sorry.])])
1237
1238
1239 # restore LIBS
1240 LIBS=$SAVE_LIBS
1241
1242
1243 # check for iconv
1244 AM_ICONV
1245
1246 # test for libunistring
1247 gl_LIBUNISTRING
1248 AS_IF([test $HAVE_LIBUNISTRING != yes],
1249       [AC_MSG_ERROR([GNUnet requires libunistring])])
1250
1251 AS_IF([test "x$gl_libunistring_hexversion" = "x" || test "$gl_libunistring_hexversion" -le 2305],
1252       [AC_MSG_ERROR([GNUnet requires libunistring >= 0.9.1.1])])
1253 AC_CHECK_HEADERS([unistr.h],
1254                  ,
1255                  AC_MSG_ERROR([Compiling GNUnet requires unistr.h (from libunistring) to be installed]))
1256
1257 # restore LIBS
1258 LIBS=$SAVE_LIBS
1259
1260
1261
1262 # Checks for standard header files.
1263 AC_HEADER_DIRENT
1264 AC_HEADER_STDC
1265
1266 # Check for headers that are ALWAYS required
1267 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]))
1268
1269
1270
1271 # Checks for headers that are only required on some systems or
1272 # opional (and where we do NOT abort if they are not there)
1273 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])
1274
1275 # FreeBSD requires this for netinet/in_systm.h and netinet/ip.h
1276 AC_CHECK_HEADERS([sys/types.h netinet/in_systm.h netinet/in.h netinet/ip.h],,,
1277 [#ifdef HAVE_SYS_TYPES_H
1278 #include <sys/types.h>
1279 #endif
1280 #ifdef HAVE_NETINET_IN_SYSTM_H
1281 #include <netinet/in_systm.h>
1282 #endif
1283 #ifdef HAVE_NETINET_IN_H
1284 #include <netinet/in.h>
1285 #endif
1286 ])
1287
1288 SAVE_LDFLAGS=$LDFLAGS
1289 SAVE_CPPFLAGS=$CPPFLAGS
1290
1291 # test for sqlite
1292 sqlite=false
1293 AC_MSG_CHECKING(for SQLite)
1294 AC_ARG_WITH(sqlite,
1295   [  --with-sqlite=PFX       base of SQLite installation],
1296   [AC_MSG_RESULT("$with_sqlite")
1297    AS_CASE([$with_sqlite],
1298      [no],[],
1299      [yes],[
1300       AC_CHECK_HEADERS(sqlite3.h,
1301       sqlite=true)],
1302      [
1303     LDFLAGS="-L$with_sqlite/lib $LDFLAGS"
1304     CPPFLAGS="-I$with_sqlite/include $CPPFLAGS"
1305     AC_CHECK_HEADERS(sqlite3.h,
1306      EXT_LIB_PATH="-L$with_sqlite/lib $EXT_LIB_PATH"
1307      SQLITE_LDFLAGS="-L$with_sqlite/lib"
1308      SQLITE_CPPFLAGS="-I$with_sqlite/include"
1309      sqlite=true)
1310     LDFLAGS=$SAVE_LDFLAGS
1311     CPPFLAGS=$SAVE_CPPFLAGS
1312     ])
1313   ],
1314   [AC_MSG_RESULT([--with-sqlite not specified])
1315     AC_CHECK_HEADERS(sqlite3.h, sqlite=true)])
1316 AM_CONDITIONAL(HAVE_SQLITE, test x$sqlite = xtrue)
1317 AC_SUBST(SQLITE_CPPFLAGS)
1318 AC_SUBST(SQLITE_LDFLAGS)
1319
1320 LDFLAGS=$SAVE_LDFLAGS
1321 CPPFLAGS=$SAVE_CPPFLAGS
1322
1323 # test for postgres:
1324 postgres=false
1325 AX_LIB_POSTGRESQL([9.5],
1326   [CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
1327    AC_CHECK_HEADERS([libpq-fe.h],
1328    postgres=true)
1329   ],
1330   [AC_MSG_RESULT([no postgres])])
1331
1332 AM_CONDITIONAL(HAVE_POSTGRESQL, test x$postgres = xtrue)
1333 AS_IF([test "x$postgres" = xtrue],
1334       [AC_DEFINE([HAVE_POSTGRESQL],[1],[Have PostgreSQL])],
1335       [AC_DEFINE([HAVE_POSTGRESQL],[0],[Lacking PostgreSQL])])
1336
1337 LDFLAGS=$SAVE_LDFLAGS
1338 CPPFLAGS=$SAVE_CPPFLAGS
1339
1340 # mysql & windows
1341 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
1342 AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
1343
1344 # test for mysql
1345 mysql=false
1346 mysqlfail=false
1347 SAVE_LDFLAGS=$LDFLAGS
1348 SAVE_CPPFLAGS=$CPPFLAGS
1349 AC_MSG_CHECKING(for mysql)
1350 AC_ARG_WITH(mysql,
1351   [  --with-mysql=PFX        base of MySQL installation],
1352   [AC_MSG_RESULT([$with_mysql])
1353    AS_CASE([$with_mysql],
1354      [no],[],
1355      [yes|""],[
1356       AC_CHECK_HEADERS(mysql/mysql.h,
1357        AC_CHECK_LIB(mysqlclient, mysql_init,
1358        mysql=true), [], [])
1359      ],[
1360       LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql $LDFLAGS $ZLIBS"
1361       CPPFLAGS="-I$with_mysql/include $CPPFLAGS"
1362       AC_CHECK_HEADERS(mysql/mysql.h,
1363        AC_CHECK_LIB(mysqlclient, mysql_init,
1364         MYSQL_LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql"
1365         MYSQL_CPPFLAGS="-I$with_mysql/include"
1366
1367         mysql=true), [], [])
1368      ])
1369   ],
1370   [AC_MSG_RESULT([--with-mysql not specified])
1371    if test -d "/usr/lib64/mysql"; then
1372     MYSQL_LIBDIR="/usr/lib64/mysql"
1373    elif test -d "/usr/lib/mysql"; then
1374     MYSQL_LIBDIR="/usr/lib/mysql"
1375    else
1376     MYSQL_LIBDIR="/usr/lib"
1377    fi
1378    LDFLAGS="-L$MYSQL_LIBDIR $LDFLAGS $ZLIBS"
1379    AC_CHECK_LIB(mysqlclient, mysql_init,
1380     [AC_CHECK_HEADERS(mysql/mysql.h,
1381       MYSQL_LDFLAGS="-L$MYSQL_LIBDIR"
1382       mysql=true
1383
1384      , [], [])])
1385   ])
1386
1387 AC_SUBST(MYSQL_LDFLAGS)
1388 AC_SUBST(MYSQL_CPPFLAGS)
1389
1390 # additional version check for mysql
1391 AC_ARG_ENABLE(mysql-version-check, [  --disable-mysql-version-check  do not check MySQL version],, enable_mysql_version_check=yes)
1392 AS_IF([test "$mysql" = "true" -a "x$enable_mysql_version_check" = "xyes"],
1393  [
1394   AC_MSG_CHECKING(mysql version)
1395   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1396     [[
1397       #include <mysql/mysql.h>]],
1398     [[
1399       #if (MYSQL_VERSION_ID < 40100)
1400       #error needs at least version >= 4.1
1401       #endif
1402       int main () { return 0; }
1403     ]])
1404     ],
1405     [mysql=true],
1406     [mysql=false])
1407   AS_IF([test x$mysql = xfalse],
1408    [
1409     mysqlfail=true
1410     AC_MSG_WARN([fail, MySQL >= 4.1 required])
1411    ],[
1412     AC_MSG_NOTICE([success, will keep $mysqlfail])
1413     mysqlfail=false
1414     AC_MSG_RESULT(ok)
1415    ])
1416 ])
1417
1418 AM_CONDITIONAL(HAVE_MYSQL, test x$mysql = xtrue)
1419 AM_CONDITIONAL(HAVE_MYSQLE, false)
1420 # restore LIBS
1421 LIBS=$SAVE_LIBS
1422 LDFLAGS=$SAVE_LDFLAGS
1423 CPPFLAGS=$SAVE_CPPFLAGS
1424
1425 # TODO: should this test for "or" not "and"?
1426 # TODO: Add postgres?
1427 AS_IF([test "$sqlite" = 0 -a "$mysql" = 0],
1428 [
1429  AC_MSG_ERROR([GNUnet requires SQLite or MySQL / MariaDB.])
1430 ])
1431
1432 # libmicrohttpd
1433 lmhd=0
1434 m4_define([MHD_MODULE], [libmicrohttpd >= 0.9.63])
1435 AC_ARG_WITH(microhttpd,
1436    [AS_HELP_STRING([--with-microhttpd[[=PFX]]],
1437        [base of libmicrohttpd installation])],
1438    [],
1439    [with_microhttpd=check])
1440 AS_CASE([$with_microhttpd],
1441    [no], [],
1442    [yes], [PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])],
1443    [check], [PKG_CHECK_MODULES([MHD], [MHD_MODULE],
1444        [lmhd=1],
1445        [AC_MSG_WARN([Building without libmicrohttpd])])],
1446    [SAVE_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
1447     PKG_CONFIG_PATH=$with_microhttpd/lib/pkgconfig
1448     export PKG_CONFIG_PATH
1449     PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])
1450     PKG_CONFIG_PATH=$SAVE_PKG_CONFIG_PATH])
1451 AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
1452 AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
1453
1454 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
1455
1456 # restore LIBS
1457 LIBS=$SAVE_LIBS
1458
1459 # check for gettext
1460 AM_GNU_GETTEXT([external])
1461 AM_GNU_GETTEXT_VERSION([0.18.1])
1462
1463 # Checks for standard typedefs, structures, and compiler characteristics.
1464 AC_TYPE_PID_T
1465 AC_TYPE_SIZE_T
1466 AC_TYPE_MODE_T
1467 AC_HEADER_TIME
1468 AC_HEADER_STAT
1469 AC_HEADER_STDBOOL
1470 AC_STRUCT_TM
1471
1472 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
1473    [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
1474    ],
1475    [],
1476    [
1477       #include <sys/types.h>
1478       #include <sys/socket.h>
1479       #include <netinet/in.h>
1480    ])
1481
1482 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
1483                 [ AC_DEFINE(HAVE_SOCKADDR_UN_SUN_LEN,
1484                             1,
1485                             [Do we have sockaddr_un.sun_len?])],
1486                 [],
1487                 [
1488                 #include <sys/types.h>
1489                 #include <sys/socket.h>
1490                 #include <sys/un.h>
1491                 ])
1492
1493
1494
1495 # Checks for library functions.
1496 AC_FUNC_CLOSEDIR_VOID
1497 AC_FUNC_FORK
1498 AC_PROG_GCC_TRADITIONAL
1499 AC_FUNC_MEMCMP
1500 AC_FUNC_SELECT_ARGTYPES
1501 AC_FUNC_CHOWN
1502
1503 AC_TYPE_SIGNAL
1504 AC_FUNC_STAT
1505 AC_FUNC_STRFTIME
1506 AC_FUNC_VPRINTF
1507 AC_HEADER_SYS_WAIT
1508 AC_TYPE_OFF_T
1509 AC_TYPE_UID_T
1510 AC_CHECK_FUNCS([atoll stat64 strnlen mremap getrlimit setrlimit sysconf initgroups strndup gethostbyname2 getpeerucred getpeereid setresuid $funcstocheck getifaddrs freeifaddrs getresgid mallinfo malloc_size malloc_usable_size getrusage random srandom stat statfs statvfs wait4])
1511
1512 # restore LIBS
1513 LIBS=$SAVE_LIBS
1514
1515 GN_INTLINCL=""
1516 GN_LIBINTL="$LTLIBINTL"
1517 AC_ARG_ENABLE(framework,
1518               [AS_HELP_STRING([--enable-framework],[enable Mac OS X framework build helpers])],
1519               enable_framework_build=$enableval)
1520 AM_CONDITIONAL(WANT_FRAMEWORK,
1521                test x$enable_framework_build = xyes)
1522 AS_IF([test x$enable_framework_build = xyes],
1523       [AC_DEFINE([FRAMEWORK_BUILD],
1524                  1,
1525                  [Build a Mac OS X Framework])
1526       GN_INTLINCL='-I$(top_srcdir)/src/intlemu'
1527       GN_LIBINTL='$(top_builddir)/src/intlemu/libintlemu.la -framework CoreFoundation'
1528       AC_LIB_APPENDTOVAR([CPPFLAGS],
1529                          [$GN_INTLINCL])])
1530
1531 GN_LIB_LDFLAGS="-export-dynamic -no-undefined"
1532 GN_PLUGIN_LDFLAGS="-export-dynamic -avoid-version -module -no-undefined"
1533
1534 AC_SUBST(GN_LIB_LDFLAGS)
1535 AC_SUBST(GN_PLUGIN_LDFLAGS)
1536 AC_SUBST(GN_INTLINCL)
1537 AC_SUBST(GN_LIBINTL)
1538
1539 AC_SUBST(CPPFLAGS)
1540 AC_SUBST(LIBS)
1541 AC_SUBST(LDFLAGS)
1542 AC_SUBST(EXT_LIB_PATH)
1543 AC_SUBST(EXT_LIBS)
1544
1545 AC_SUBST(LIBPREFIX)
1546 AC_SUBST(DLLDIR)
1547 AC_SUBST(EXT_LIB_PATH)
1548
1549 DATAROOTDIR=$datarootdir
1550 AC_SUBST(DATAROOTDIR)
1551
1552 # test for sudo
1553 AC_MSG_CHECKING(for sudo)
1554 #AC_CHECK_PROGS(SUDO_BINARY, [sudo], false)
1555 #AM_CONDITIONAL(HAVE_SUDO, test x$SUDO_BINARY != xfalse)
1556 AC_ARG_WITH(sudo,
1557            [  --with-sudo=PATH       path to sudo binary (or just yes)],
1558            [AC_MSG_RESULT("$with_sudo")
1559             AS_CASE([$with_sudo],
1560                     [no],[SUDO_BINARY=],
1561                     [yes],[SUDO_BINARY=sudo],
1562                     [SUDO_BINARY=$with_sudo])],
1563            [AC_MSG_RESULT([no])])
1564 AC_SUBST(SUDO_BINARY)
1565 AM_CONDITIONAL([HAVE_SUDO],
1566               [test "x$SUDO_BINARY" != "x" -o -w /])
1567
1568 # test for doas
1569 AC_MSG_CHECKING(for doas)
1570 AC_CHECK_PROGS(DOAS_BINARY, [doas], false)
1571 AM_CONDITIONAL(HAVE_DOAS_BINARY, test x$DOAS_BINARY != xfalse)
1572
1573 # test for gnunetdns group name
1574 GNUNETDNS_GROUP=gnunetdns
1575 AC_MSG_CHECKING(for gnunetdns group name)
1576 AC_ARG_WITH(gnunetdns,
1577             [  --with-gnunetdns=GRPNAME       name for gnunetdns group],
1578             [AC_MSG_RESULT("$with_gnunetdns")
1579              AS_CASE([$with_gnunetdns],
1580                      [no],[GNUNETDNS_GROUP=gnunet],
1581                      [yes],[GNUNETDNS_GROUP=gnunetdns],
1582                      [GNUNETDNS_GROUP=$with_gnunetdns])],
1583             [AC_MSG_RESULT([gnunetdns])])
1584 AC_SUBST(GNUNETDNS_GROUP)
1585
1586
1587
1588 # gnutls
1589 gnutls=0
1590 gnutls_dane=0
1591 AC_MSG_CHECKING(for gnutls)
1592 AC_ARG_WITH(gnutls,
1593             [  --with-gnutls=PFX   base of gnutls installation],
1594             [AC_MSG_RESULT([$with_gnutls])
1595              AS_CASE([$with_gnutls],
1596                      [no],[],
1597                      [yes],
1598                      [AC_CHECK_HEADERS([gnutls/abstract.h],
1599                                        AC_CHECK_LIB([gnutls],
1600                                                     [gnutls_priority_set],
1601                                                     gnutls=true))
1602                       AC_CHECK_HEADERS([gnutls/dane.h],
1603                                        AC_CHECK_LIB([gnutls-dane],
1604                                                     [dane_verify_crt_raw],
1605                                                     gnutls_dane=1))],
1606
1607         [LDFLAGS="-L$with_gnutls/lib $LDFLAGS"
1608         CPPFLAGS="-I$with_gnutls/include $CPPFLAGS"
1609         AC_CHECK_HEADERS([gnutls/abstract.h],
1610             AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1611               EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH"
1612               gnutls=true))
1613         AC_CHECK_HEADERS([gnutls/dane.h],
1614             AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1615               gnutls_dane=1))
1616       ])
1617    ],
1618    [AC_MSG_RESULT([--with-gnutls not specified])
1619     AC_CHECK_HEADERS([gnutls/abstract.h],
1620         AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1621           gnutls=true))
1622     AC_CHECK_HEADERS([gnutls/dane.h],
1623         AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1624                      gnutls_dane=1))
1625    ])
1626 AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue)
1627 AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have GnuTLS])
1628 AM_CONDITIONAL(HAVE_GNUTLS_DANE, test x$gnutls_dane = x1)
1629 AC_DEFINE_UNQUOTED([HAVE_GNUTLS_DANE], $gnutls_dane, [We have GnuTLS with DANE support])
1630
1631
1632
1633 # Test if we are building for superMUC
1634 AC_MSG_CHECKING(if GNUnet is being configured to run on the SuperMUC)
1635 AC_ARG_ENABLE([supermuc],
1636     [AS_HELP_STRING([--enable-supermuc],
1637        [build GNUnet with support to run on the SuperMUC (default is NO)])],
1638     [AS_IF([test "x$enable_supermuc" = "xno"],
1639       [supermuc=0],
1640       [supermuc=1])],
1641     [supermuc=0
1642      enable_supermuc=no])
1643 AC_MSG_RESULT($enable_SUPERMUC)
1644 AM_CONDITIONAL([ENABLE_SUPERMUC], [test "x$supermuc" = "x1"])
1645 AC_DEFINE_UNQUOTED([ENABLE_SUPERMUC], [$supermuc], [Build with support for SuperMUC])
1646
1647 # Check if NSE has to send timestamp information to testbed logger for
1648 # generating histogram of messages received
1649 AC_MSG_CHECKING(if NSE has to send timestamp information to testbed logger)
1650 AC_ARG_ENABLE([nse-histogram],
1651     [AS_HELP_STRING([--enable-nse-histogram],
1652        [have NSE send timestamp information to testbed logger for generating
1653        histogram of received messages.  NOT useful for production (default is
1654        NO)])],
1655     [AS_IF([test "x$enableval" = "xno"],
1656       [nse_histogram=0],
1657       [nse_histogram=1])],
1658     [nse_histogram=0
1659      enable_nse_histogram=no])
1660 AC_MSG_RESULT($enable_nse_histogram)
1661 AM_CONDITIONAL([ENABLE_NSE_HISTOGRAM], [test "x$nse_histogram" = "x1"])
1662 AC_DEFINE_UNQUOTED([ENABLE_NSE_HISTOGRAM], [$nse_histogram],
1663                    [have NSE send timestamp information to testbed logger])
1664
1665 # should 'make check' run tests?
1666 AC_MSG_CHECKING(whether to run tests)
1667 AC_ARG_ENABLE([testruns],
1668    [AS_HELP_STRING([--disable-testruns], [disable running tests on make check (default is YES)])],
1669    [enable_tests_run=${enableval}],
1670    [enable_tests_run=yes])
1671 AC_MSG_RESULT($enable_test_run)
1672 AM_CONDITIONAL([ENABLE_TEST_RUN], [test "x$enable_tests_run" = "xyes"])
1673
1674
1675 AC_MSG_CHECKING([whether to compile in benchmarks (currently for http and crypto)])
1676 AC_ARG_ENABLE([benchmark],
1677    [AS_HELP_STRING([--enable-benchmark], [enable benchmarking])],
1678    [enable_benchmark=${enableval}],
1679    [enable_benchmark=no])
1680 AC_MSG_RESULT($enable_benchmark)
1681 AS_IF([test "x$enable_benchmark" = "xyes"],
1682       [AC_DEFINE_UNQUOTED(ENABLE_BENCHMARK,1,[Benchmarks are enabled])])
1683 AM_CONDITIONAL([ENABLE_BENCHMARK], [test "x$enable_benchmark" = "xyes"])
1684
1685
1686 # should expensive tests be run?
1687 AC_MSG_CHECKING(whether to run expensive tests)
1688 AC_ARG_ENABLE([expensivetests],
1689    [AS_HELP_STRING([--enable-expensivetests], [enable running expensive testcases])],
1690    [enable_expensive=${enableval}],
1691    [enable_expensive=no])
1692 AC_MSG_RESULT($enable_expensive)
1693 AM_CONDITIONAL([HAVE_EXPENSIVE_TESTS], [test "x$enable_expensive" = "xyes"])
1694
1695 # should ports be open for Java services?
1696 AC_MSG_CHECKING(whether to enable ports for gnunet-java)
1697 AC_ARG_ENABLE([javaports],
1698    [AS_HELP_STRING([--enable-javaports], [use non-zero ports for services with Java bindings (default is NO)])],
1699    [enable_java_ports=${enableval}],
1700    [enable_java_ports=no])
1701 AC_MSG_RESULT($enable_java_ports)
1702 AS_IF([test "x$enable_java_ports" = "xyes"],
1703  [JAVAPORT=""],
1704  [JAVAPORT="$UNIXONLY"])
1705 AC_SUBST(JAVAPORT)
1706
1707 # should benchmarks be run?
1708 AC_MSG_CHECKING(whether to run benchmarks during make check)
1709 AC_ARG_ENABLE([benchmarks],
1710    [AS_HELP_STRING([--enable-benchmarks], [enable running benchmarks during make check])],
1711    [enable_benchmarks=${enableval}],
1712    [enable_benchmarks=no])
1713 AC_MSG_RESULT($enable_benchmarks)
1714 AM_CONDITIONAL([HAVE_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
1715
1716 # should gnunet-testing be compiled
1717 AC_MSG_CHECKING(whether to compile gnunet-testing)
1718 AC_ARG_ENABLE([testing],
1719    [AS_HELP_STRING([--disable-testing], [do not build gnunet-testing])],
1720    [enable_testing=${enableval}],
1721    [enable_testing=yes])
1722 AC_MSG_RESULT($enable_testing)
1723 AM_CONDITIONAL([HAVE_TESTING], [test "x$enable_testing" = "xyes"])
1724
1725 # should experimental code be compiled (code that may not yet compile)?
1726 AC_MSG_CHECKING(whether to compile experimental code)
1727 AC_ARG_ENABLE([experimental],
1728    [AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
1729    [enable_experimental=${enableval}],
1730    [enable_experimental=no])
1731 AC_MSG_RESULT($enable_experimental)
1732 AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
1733
1734 # should malicious code be compiled (should only be used for testing)?
1735 AC_MSG_CHECKING(whether to compile malicious code)
1736 AC_ARG_ENABLE([malicious],
1737    [AS_HELP_STRING([--enable-malicious], [enable compiling malicious code])],
1738    [AS_IF([test "x$enableval" = "xno"],
1739      [malicious=0],
1740      [malicious=1])],
1741    [malicious=0
1742     enable_malicious=no])
1743 AC_MSG_RESULT($enable_malicious)
1744 AM_CONDITIONAL([ENABLE_MALICIOUS], [test 1=$malicious])
1745 AC_DEFINE_UNQUOTED([ENABLE_MALICIOUS], [$malicious],
1746                    [enable compilation of malicious code])
1747
1748 # should services be started on demand when needed?
1749 # Some services may choose to never start by default
1750 # and it is up to the service/module developer to decide
1751 # by having "START_ON_DEMAND = NO" instead of
1752 # "START_ON_DEMAND = @START_ON_DEMAND@"
1753 # in the service/module's conf.in file.
1754 # See also IMMEDIATE_START for an unconditional immediate start.
1755 START_ON_DEMAND="YES"
1756 AC_MSG_CHECKING(whether to start peer's services on demand by default)
1757 AC_ARG_ENABLE([autostart],
1758    [AS_HELP_STRING([--disable-autostart], [do not start peer's services by default])],
1759    [enable_autostart=${enableval}
1760     AS_IF([test "x$enable_autostart" = "xno"],
1761       [START_ON_DEMAND="NO"])
1762    ],
1763    [enable_autostart=yes])
1764 AC_MSG_RESULT($enable_autostart)
1765 #AM_CONDITIONAL([HAVE_START_ON_DEMAND], [test "x$enable_autostart" = "xyes"])
1766 AC_SUBST(START_ON_DEMAND)
1767
1768 # should memory statistics be kept (very expensive CPU-wise!)
1769 AC_MSG_CHECKING(whether to create expensive statistics on memory use)
1770 AC_ARG_ENABLE([heapstats],
1771    [AS_HELP_STRING([--enable-heapstats], [enable expensive heap statistics])],
1772    [enable_heapstats=1],
1773    [enable_heapstats=0])
1774 AC_MSG_RESULT($enable_heapstats)
1775 AC_DEFINE_UNQUOTED([ENABLE_HEAP_STATISTICS],$enable_heapstats,[enable expensive heap statistics])
1776
1777
1778 # Check if the __thread storage class for
1779 # thread-local storage is available.
1780 AC_MSG_CHECKING(whether __thread is supported)
1781 AC_LINK_IFELSE(
1782 [AC_LANG_PROGRAM([#include <stdlib.h>
1783                    #undef __thread
1784                    static __thread int a = 1;],
1785                   [exit(a-1);])],
1786  [have_thread_local_gcc=1],[have_thread_local_gcc=0])
1787 AC_DEFINE_UNQUOTED([HAVE_THREAD_LOCAL_GCC],$have_thread_local_gcc,[Define this if __thread is supported])
1788 AS_IF([test "x$have_thread_local_gcc" = "x1"],
1789       [AC_MSG_RESULT(yes)],
1790       [AC_MSG_RESULT(no)])
1791
1792 # gcov compilation
1793 AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
1794 AC_ARG_ENABLE([coverage],
1795               AS_HELP_STRING([--enable-coverage],
1796                              [compile the library with code coverage support]),
1797               [use_gcov=${enableval}],
1798               [use_gcov=no])
1799 AC_MSG_RESULT($use_gcov)
1800 AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
1801
1802
1803 # version info
1804 # TODO: git blame says this predates our switch to git.
1805 # git-svn should be adjusted to simply git, or
1806 # an external script that does the job.
1807 AC_PATH_PROG(svnversioncommand, svnversion)
1808 AC_PATH_PROG(gitcommand, git)
1809 AC_MSG_CHECKING(for source being under a VCS)
1810
1811
1812 # version info
1813 AC_PATH_PROG(gitcommand, git)
1814 AC_MSG_CHECKING(for source being under a VCS)
1815 git_version=
1816 AS_IF([test ! "X$gitcommand" = "X"],
1817 [
1818   git_version=$(cd $srcdir ; git rev-list --full-history --all --abbrev-commit | head -n 1 2>/dev/null)
1819 ])
1820 AS_IF([test "X$git_version" = "X"],
1821   [
1822     vcs_name="no"
1823     vcs_version="\"release\""
1824   ],
1825   [
1826     vcs_name="yes, git-svn"
1827     vcs_version="\"git-$git_version\""
1828   ])
1829 AC_MSG_RESULT($vcs_name)
1830
1831 AC_MSG_CHECKING(VCS version)
1832 AC_MSG_RESULT($vcs_version)
1833 AC_DEFINE_UNQUOTED(VCS_VERSION, [$vcs_version], [VCS revision/hash or tarball version])
1834
1835 AC_CONFIG_FILES([
1836 Makefile
1837 bin/Makefile
1838 contrib/Makefile
1839 contrib/hellos/Makefile
1840 contrib/services/Makefile
1841 contrib/services/openrc/Makefile
1842 contrib/services/systemd/Makefile
1843 contrib/scripts/Makefile
1844 contrib/scripts/gnunet-logread/Makefile
1845 doc/Makefile
1846 doc/man/Makefile
1847 doc/doxygen/Makefile
1848 doc/handbook/Makefile
1849 doc/tutorial/Makefile
1850 m4/Makefile
1851 po/Makefile.in
1852 src/Makefile
1853 src/arm/Makefile
1854 src/arm/arm.conf
1855 src/ats/Makefile
1856 src/ats/ats.conf
1857 src/ats-tool/Makefile
1858 src/ats-tests/Makefile
1859 src/auction/Makefile
1860 src/block/Makefile
1861 src/cadet/Makefile
1862 src/cadet/cadet.conf
1863 src/core/Makefile
1864 src/core/core.conf
1865 src/consensus/Makefile
1866 src/consensus/consensus.conf
1867 src/conversation/Makefile
1868 src/conversation/conversation.conf
1869 src/curl/Makefile
1870 src/datacache/Makefile
1871 src/datastore/Makefile
1872 src/datastore/datastore.conf
1873 src/dht/Makefile
1874 src/dht/dht.conf
1875 src/dns/Makefile
1876 src/dns/dns.conf
1877 src/exit/Makefile
1878 src/fragmentation/Makefile
1879 src/fs/Makefile
1880 src/fs/fs.conf
1881 src/gns/Makefile
1882 src/gns/gns.conf
1883 src/gns/nss/Makefile
1884 src/gnsrecord/Makefile
1885 src/hello/Makefile
1886 src/identity/Makefile
1887 src/identity/identity.conf
1888 src/abd/Makefile
1889 src/abd/abd.conf
1890 src/include/Makefile
1891 src/integration-tests/Makefile
1892 src/json/Makefile
1893 src/hostlist/Makefile
1894 src/my/Makefile
1895 src/mysql/Makefile
1896 src/namecache/Makefile
1897 src/namecache/namecache.conf
1898 src/namestore/Makefile
1899 src/namestore/namestore.conf
1900 src/nat/Makefile
1901 src/nat/nat.conf
1902 src/nat-auto/Makefile
1903 src/nat-auto/nat-auto.conf
1904 src/nse/Makefile
1905 src/nse/nse.conf
1906 src/nt/Makefile
1907 src/peerinfo/Makefile
1908 src/peerinfo/peerinfo.conf
1909 src/peerinfo-tool/Makefile
1910 src/peerstore/Makefile
1911 src/peerstore/peerstore.conf
1912 src/pq/Makefile
1913 src/pt/Makefile
1914 src/regex/Makefile
1915 src/regex/regex.conf
1916 src/revocation/Makefile
1917 src/revocation/revocation.conf
1918 src/rps/Makefile
1919 src/rps/rps.conf
1920 src/secretsharing/Makefile
1921 src/secretsharing/secretsharing.conf
1922 src/scalarproduct/Makefile
1923 src/scalarproduct/scalarproduct.conf
1924 src/set/Makefile
1925 src/set/set.conf
1926 src/sq/Makefile
1927 src/statistics/Makefile
1928 src/statistics/statistics.conf
1929 src/template/Makefile
1930 src/testbed/Makefile
1931 src/testbed/testbed.conf
1932 src/testbed-logger/Makefile
1933 src/testbed-logger/testbed-logger.conf
1934 src/testing/Makefile
1935 src/topology/Makefile
1936 src/transport/Makefile
1937 src/transport/transport.conf
1938 src/util/Makefile
1939 src/util/resolver.conf
1940 src/vpn/Makefile
1941 src/vpn/vpn.conf
1942 src/zonemaster/Makefile
1943 src/zonemaster/zonemaster.conf
1944 src/rest/Makefile
1945 src/abe/Makefile
1946 src/reclaim/Makefile
1947 pkgconfig/Makefile
1948 pkgconfig/gnunetarm.pc
1949 pkgconfig/gnunetats.pc
1950 pkgconfig/gnunetblock.pc
1951 pkgconfig/gnunetcadet.pc
1952 pkgconfig/gnunetconsensus.pc
1953 pkgconfig/gnunetconversation.pc
1954 pkgconfig/gnunetcore.pc
1955 pkgconfig/gnunetdatacache.pc
1956 pkgconfig/gnunetdatastore.pc
1957 pkgconfig/gnunetdht.pc
1958 pkgconfig/gnunetdns.pc
1959 pkgconfig/gnunetenv.pc
1960 pkgconfig/gnunetfragmentation.pc
1961 pkgconfig/gnunetfs.pc
1962 pkgconfig/gnunetgns.pc
1963 pkgconfig/gnunethello.pc
1964 pkgconfig/gnunetidentity.pc
1965 pkgconfig/gnunetmicrophone.pc
1966 pkgconfig/gnunetmysql.pc
1967 pkgconfig/gnunetnamestore.pc
1968 pkgconfig/gnunetnat.pc
1969 pkgconfig/gnunetnse.pc
1970 pkgconfig/gnunetpeerinfo.pc
1971 pkgconfig/gnunetpq.pc
1972 pkgconfig/gnunetregex.pc
1973 pkgconfig/gnunetrevocation.pc
1974 pkgconfig/gnunetrps.pc
1975 pkgconfig/gnunetscalarproduct.pc
1976 pkgconfig/gnunetset.pc
1977 pkgconfig/gnunetspeaker.pc
1978 pkgconfig/gnunetstatistics.pc
1979 pkgconfig/gnunettestbed.pc
1980 pkgconfig/gnunettesting.pc
1981 pkgconfig/gnunettransport.pc
1982 pkgconfig/gnunetutil.pc
1983 pkgconfig/gnunetvpn.pc
1984 ])
1985 AC_OUTPUT
1986
1987
1988 # FIXME: `some modules' -> be more specific which exact modules.
1989
1990 # java ports
1991 AS_IF([test "x$enable_java_ports" = "xyes"],
1992       [AC_MSG_NOTICE([Opening TCP ports by default to enable gnunet-java bindings.])])
1993
1994 ####
1995 #### This could be moved to the checks above,
1996 #### but for now let's keep it here.
1997 ####
1998
1999 # -- print message regarding enabled experimental features
2000 AS_IF([test "x$enable_experimental" = "xyes"],
2001       [experimental_msg="experimental features enabled"])
2002 # -- OSX Framework
2003 AS_IF([test "$enable_framework_build" = "yes"],
2004       [macosx_framework_msg="yes"],
2005       [macosx_framework_msg="no"])
2006 # -- libidn 2
2007 AS_IF([test "x$working_libidn2" = x1],
2008       [libidn2_msg="libidn2"])
2009 # -- libidn 1
2010 AS_IF([test "x$working_libidn1" = x1],
2011       [libidn1_msg="libidn1"])
2012 # -- texi2mdoc-generation
2013 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
2014       [mdocml_msg="yes"],
2015       [mdocml_msg="no"])
2016 # -- texi2mdoc
2017 AS_IF([test "x$TEXI2MDOC_BINARY" = "false"],
2018       [AC_MSG_NOTICE([texi2mdoc binary not found (will not generate mdoc documentation)])
2019        texi2mdoc_msg="no (optional)"],
2020       [texi2mdoc_msg="yes"])
2021 # -- mandoc
2022 AS_IF([test "x$MANDOC_BINARY" = "false"],
2023       [AC_MSG_NOTICE([mandoc binary not found (will not generate handbook as man page)])
2024        mandoc_msg="no"],
2025       [mandoc_msg="yes"])
2026 # -- texinfo
2027 AS_IF([test "x$makeinfo" != "x1"],
2028       [texinfo_msg="no"],
2029       [texinfo_msg="yes"])
2030 # -- conversation
2031 AS_IF([test "x$conversation_backend" = "xnone"],
2032       [AS_IF([test "x$pulse" != "x1"],
2033              [AC_MSG_WARN([libpulse(audio) not found (required to build conversation).])
2034               libpulse_msg="no (required for conversation)"],
2035              [libpulse_msg="yes"])
2036        AS_IF([test "x$opus" != "x1"],
2037              [AC_MSG_WARN([libopus not found (required to build conversation)])
2038               libopus_msg="no (required for conversation)"],
2039              [libopus_msg="yes"])
2040        AS_IF([test "x$gst" != "x1"],
2041              [AC_MSG_WARN([GStreamer not found (required to build conversation).])
2042               gstreamer_msg="no (required for conversation)"],
2043              [gstreamer_msg="yes"])],
2044       [AS_IF([test "x$opus" = x1],
2045              [features_msg="$features_msg conversation"],
2046              [AC_MSG_WARN([libopus not found (required to build conversation)])])])
2047 # -- interface
2048 interface_msg=`echo $DEFAULT_INTERFACE | tr -d \"`
2049 # -- libmicrohttpd
2050 AS_IF([test "x$lmhd" != "x1"],
2051       [libmicrohttpd_msg="no (optional)"],
2052       [libmicrohttpd_msg="yes"])
2053 # -- jansson
2054 AS_IF([test "x$jansson" = "x0"],
2055       [jansson_msg="no (optional)"],
2056       [jansson_msg="yes"])
2057 # -- libextractor
2058 AS_IF([test "$extractor" != 1],
2059       [AC_MSG_WARN([libextractor not found, but various file-sharing functions require it])],
2060       [libextractor_msg="yes"])
2061 # -- libzbar
2062 AS_IF([test "x$zbar" = "x1"],
2063       [libzbar_msg="yes"
2064        features_msg="$features_msg gnunet-qr"],
2065       [AC_MSG_NOTICE([zbar not found, gnunet-qr will not be built.])
2066        libzbar_msg="no"])
2067 # -- libgnurl
2068 AS_IF([test "$gnurl" = "0"],
2069       [AS_IF([test "x$curl" = "xfalse"],
2070              [AC_MSG_WARN([libgnurl not found. http client support will not be compiled.])
2071               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])
2072               curl_msg="no"],
2073              [AC_MSG_NOTICE([libgnurl not found, trying to use libcurl-gnutls instead.])
2074               curl_msg="yes"])],
2075        [gnurl_msg="yes"])
2076 # -- ifconfig
2077 AS_IF([test "$VAR_IFCONFIG_BINARY" = "false"],
2078       [AC_MSG_WARN([ifconfig not found, some features will not work])
2079        ifconfig_msg="no (optional)"],
2080       [ifconfig_msg="yes"])
2081 # -- upnpc
2082 AS_IF([test "$VAR_UPNPC_BINARY" = "false"],
2083       [AC_MSG_WARN([upnpc binary not found, NAT traversal using UPnPc will not work])
2084        upnpc_msg="no (optional)"],
2085       [upnpc_msg="yes"])
2086 # -- iptables
2087 AS_IF([test "$VAR_IPTABLES_BINARY" = "false"],
2088       [AC_MSG_WARN([iptables not found, DNS query interception will not work])
2089        iptables_msg="no (optional)"],
2090       [iptables_msg="yes"])
2091 # -- bluetooth
2092 AS_IF([test "x$bluetooth" = "x0"],
2093       [AC_MSG_NOTICE([bluetooth library not found, will not be able to use Bluetooth])
2094        bluetooth_msg="no (optional)"],
2095       [bluetooth_msg="yes"])
2096 # -- gnutls
2097 AS_IF([test x$gnutls != xtrue],
2098       [AC_MSG_WARN([GnuTLS not found, gnunet-gns-proxy will not be built])
2099        gnutls_msg="no"],
2100       [AS_IF([test "x$gnutls_dane" != "x1"],
2101              [AC_MSG_WARN([GnuTLS lacks DANE support, DANE validation will not be possible])
2102               gnutls_msg="yes (without DANE support)"],
2103              [gnutls_msg="yes (with DANE support)"])])
2104 # -- databases
2105 # TODO: this always returns true, the check might
2106 # TODO: not be working as intended (for msqlfail).
2107 AS_IF([test "$mysql" = true],
2108       [features_msg="$features_msg mysql"
2109        mysql_msg="yes"],
2110       [mysql_msg="no"])
2111 AS_IF([test x$mysqlfail = xtrue],
2112       [AC_MSG_WARN([MySQL not found (or too old), will not create MySQL database support])
2113        mysql_msg="unsupported version"])
2114 AS_IF([test "$sqlite" = true],
2115       [features_msg="$features_msg sqlite"
2116        sqlite_msg="yes"],
2117       [AC_MSG_ERROR([sqlite3 not found, but sqlite3 is required.])
2118        sqlite_msg="no"])
2119 AS_IF([test "$postgres" = true],
2120       [features_msg="$features_msg postgres"
2121        postgres_msg="yes"],
2122       [postgres_msg="no"])
2123 # -- features
2124 # ---- 1. replace spaces with newlines,
2125 # ---- 2. sort the lines,
2126 # ---- 3. replace the newlines with spaces.
2127 features_msg=`echo $features_msg | tr ' ' '\012' | sort | tr '\012' ' '`
2128 AC_SUBST(features_msg)
2129
2130
2131 # The summary
2132 # TODO: reduce the length of the last message block, following "IMPORTANT".
2133
2134 AC_MSG_NOTICE([
2135 GNUnet Configuration
2136 ====================
2137
2138 GNUnet version:                 ${VERSION}
2139
2140 Host setup:                     ${host}
2141 Install prefix:                 ${prefix}
2142 Compiler:                       ${CC}
2143 CFLAGS:                         ${CFLAGS}
2144 CPPFLAGS:                       ${CPPFLAGS}
2145 LDFLAGS:                        ${LDFLAGS}
2146 LIBS:                           ${LIBS}
2147 Build Target:                   $build_target
2148 Mac OSX framework build:        ${macosx_framework_msg}
2149
2150 Default Interface:              ${interface_msg}
2151
2152 MySQL:                          ${mysql_msg}
2153 PostgreSQL:                     ${postgres_msg}
2154 sqlite3:                        ${sqlite_msg}
2155 gnurl:                          ${gnurl_msg}
2156 curl:                           ${curl_msg}
2157 bluetooth:                      ${bluetooth_msg}
2158 jansson:                        ${jansson_msg}
2159 iptables:                       ${iptables_msg}
2160 ifconfig:                       ${ifconfig_msg}
2161 upnpc:                          ${upnpc_msg}
2162 gnutls:                         ${gnutls_msg}
2163 libzbar:                        ${libzbar_msg}
2164 java:                           ${java_msg}
2165 libmicrohttpd:                  ${libmicrohttpd_msg}
2166 libidn:                         ${libidn1_msg}${libidn2_msg}
2167 libopus:                        ${libopus_msg}
2168 gstreamer:                      ${gstreamer_msg}
2169 libpulse:                       ${libpulse_msg}
2170 libextractor:                   ${libextractor_msg}
2171 texi2mdoc:                      ${texi2mdoc_msg}
2172 mandoc:                         ${mandoc_msg}
2173
2174 texinfo manual:                 ${texinfo_msg}
2175 transpiled mdocml manual:       ${mdocml_msg}
2176
2177 features:                       ${features_msg}
2178 experimental:                   ${experimental_msg}
2179 ])
2180
2181 AS_IF([test x$MSG_USER_SETUP != xfalse],
2182  [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'.])
2183   AS_IF([test x$HAVE_GNUNET_USER != 0],
2184     [AC_MSG_NOTICE([To do this on this system, run:
2185 # addgroup gnunetdns
2186 # adduser --system --disabled-login --home /var/lib/gnunet gnunet
2187 ])])
2188   AC_MSG_WARN([Each user of GNUnet should be added to the 'gnunet' group.])
2189   AS_IF([test x$HAVE_GNUNET_USER != 0],
2190     [AC_MSG_NOTICE([To do this on this system, run:
2191 # adduser USERNAME gnunet
2192    for each of your users, replacing \"USERNAME\" with the respective login name. Users may have to login again for the changes to take effect.
2193 ])])])
2194
2195 AC_MSG_NOTICE([For detailed setup instructions, type 'info gnunet' after the installation or visit https://docs.gnunet.org/])