configure.ac

   1 # This file is part of GNUnet.
   2 # (C) 2001--2019 GNUnet e.V.
   3 #
   4 # GNUnet is free software: you can redistribute it and/or modify it
   5 # under the terms of the GNU Affero General Public License as published
   6 # by the Free Software Foundation, either version 3 of the License,
   7 # or (at your option) any later version.
   8 #
   9 # GNUnet is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17 # SPDX-License-Identifier: AGPL3.0-or-later
  18 #
  19 # Process this file with autoconf to produce a configure script.
  20 #
  21 #
  22 AC_PREREQ(2.61)
  23 # Checks for programs.
  24 AC_INIT([gnunet], [0.12.2], [bug-gnunet@gnu.org])
  25 AC_CONFIG_AUX_DIR([build-aux])
  26
  27 # check for legacy option that is no longer supported (#5627) and fail hard
  28 AC_ARG_WITH(nssdir,
  29    [  --with-nssdir=DIR    legacy switch, no longer supported, do not use],
  30    [AC_MSG_RESULT([$with_nssdir])
  31     AS_CASE([$with_nssdir],
  32       [no],[],
  33       [AC_MSG_ERROR([--with-nssdir is no longer supported])])
  34    ])
  35
  36 AC_CANONICAL_TARGET
  37 AC_CANONICAL_HOST
  38 AC_CANONICAL_SYSTEM
  39 AM_INIT_AUTOMAKE
  40 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], [AM_DEFAULT_VERBOSITY=1 AC_SUBST(AM_DEFAULT_VERBOSITY)])
  41 AC_CONFIG_HEADERS([gnunet_config.h])
  42 AH_TOP([#define _GNU_SOURCE  1])
  43 AC_CONFIG_MACRO_DIR([m4])
  44 AC_PROG_AWK
  45 AC_PROG_CC_C99
  46 AC_PROG_OBJC
  47 AC_PROG_INSTALL
  48 AC_PROG_LN_S
  49 AC_PROG_MAKE_SET
  50 AM_PROG_CC_C_O
  51 LT_INIT([disable-static dlopen])
  52 AC_SUBST(MKDIR_P)
  53
  54 # allow for different autotools
  55 AS_AUTOTOOLS_ALTERNATE
  56
  57 # large file support
  58 AC_SYS_LARGEFILE
  59 AC_FUNC_FSEEKO
  60
  61
  62 CFLAGS="-Wall $CFLAGS"
  63 AC_MSG_CHECKING(whether cc can use -fno-strict-aliasing)
  64 # use '-fno-strict-aliasing', but only if the compiler can take it
  65 AS_IF([$CC -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1],
  66  [CFLAGS="-fno-strict-aliasing $CFLAGS"])
  67
  68 # A helper which allows us to check cflags if compiler
  69 AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
  70   AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
  71     [ac_save_CFLAGS="$CFLAGS"
  72      CFLAGS="$CFLAGS $1 -Werror"
  73      AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
  74        [eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
  75        [eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
  76      CFLAGS="$ac_save_CFLAGS"
  77     ])
  78
  79   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
  80     [$2], [$3])
  81 ])
  82
  83
  84 # CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found])
  85 # Check for CFLAG and appends them to CFLAGS if supported
  86 AC_DEFUN([CC_CHECK_CFLAG_APPEND], [
  87   AC_CACHE_CHECK([if $CC supports -Wno-$1 flag],
  88     AS_TR_SH([cc_cv_cflags_-W$1]),
  89     CC_CHECK_CFLAGS_SILENT([-W$1]) #gcc is stupid. It does not fail with the -W-no option for backwards compat but then shows the error "in case something goes wrong".
  90   )
  91
  92   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_-W$1])[ = xyes],
  93     [CFLAGS="$CFLAGS -Wno-$1"; $2], [$3])
  94 ])
  95
  96
  97 # We make heavy use of this, llvm/gcc and gcc-9 give warnings so disable.
  98 CC_CHECK_CFLAG_APPEND([address-of-packed-member])
  99
 100 # Use Linux interface name unless the OS has a different preference
 101 DEFAULT_INTERFACE="\"eth0\""
 102
 103 funcstocheck="getnameinfo gethostname gethostbyname gethostbyaddr getaddrinfo getaddrinfo_a"
 104
 105 # Srcdir in a form that native compiler understands (i.e. DOS path on W32)
 106 native_srcdir=$srcdir
 107
 108 OLD_LDFLAGS="$LDFLAGS"
 109 LDFLAGS="$LDFLAGS -Wl,--unresolved-symbols=report-all"
 110
 111 # Check system type
 112 AS_CASE(["$host_os"],
 113   [*darwin* | *rhapsody* | *macosx*],[
 114      AC_DEFINE_UNQUOTED(DARWIN,1,[This is an Apple Darwin system])
 115      CPPFLAGS="-D_APPLE_C_SOURCE $CPPFLAGS"
 116      CFLAGS="-fno-common $CFLAGS"
 117      LDFLAGS="$OLD_LDFLAGS"
 118      AC_MSG_WARN([WARNING: The VPN application cannot be compiled on your OS])
 119      AC_CHECK_LIB(intl, gettext)
 120      build_target="darwin"
 121      DEFAULT_INTERFACE="\"en0\""
 122      LIBPREFIX=
 123      DLLDIR=lib
 124      UNIXONLY="#"
 125   ],
 126   [linux*],[
 127      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 128      build_target="linux"
 129      LIBPREFIX=
 130      DLLDIR=lib
 131      UNIXONLY="#"
 132      AC_PATH_XTRA
 133   ],
 134   [*freebsd*],[
 135      CFLAGS="-D_THREAD_SAFE $CFLAGS"
 136      build_target="freebsd"
 137      LIBPREFIX=
 138      DLLDIR=lib
 139      UNIXONLY="#"
 140   ],
 141   [*openbsd*],[
 142      LIBS=`echo $LIBS | sed -e "s/-ldl//"`
 143      build_target="openbsd"
 144      use_openbsd_libtool=true
 145      LIBPREFIX=
 146      DLLDIR=lib
 147      UNIXONLY="#"
 148   ],
 149   [*netbsd*],[
 150      build_target="netbsd"
 151      LIBPREFIX=
 152      DLLDIR=lib
 153      UNIXONLY="#"
 154   ],
 155   [*solaris*],[
 156      AC_DEFINE_UNQUOTED(SOLARIS,1,[This is a Solaris system])
 157      AC_DEFINE_UNQUOTED(_REENTRANT,1,[Need with solaris or errno doesnt work])
 158      AC_CHECK_LIB(resolv, res_init)
 159      AC_CHECK_LIB(rt, nanosleep)
 160      build_target="solaris"
 161      LIBPREFIX=
 162      DLLDIR=lib
 163      UNIXONLY="#"
 164   ],
 165   [*arm-linux*],[
 166      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 167      CFLAGS="-D_REENTRANT -fPIC -pipe $CFLAGS"
 168      build_target="linux"
 169      LIBPREFIX=
 170      DLLDIR=lib
 171      UNIXONLY="#"
 172   ],
 173   [gnu*],[
 174      AC_DEFINE_UNQUOTED(GNU,1,[This is a GNU system])
 175      build_target="gnu"
 176      UNIXONLY="#"
 177   ],
 178   [
 179      AC_MSG_RESULT(Unrecognised OS $host_os)
 180      AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
 181      UNIXONLY=""
 182 ])
 183 AC_DEFINE_UNQUOTED([GNUNET_DEFAULT_INTERFACE], $DEFAULT_INTERFACE, [This should be the default choice for the name of the first network interface])
 184 AC_SUBST(DEFAULT_INTERFACE)
 185
 186 # Disable TCP-based IPC on systems that support UNIX domain
 187 # sockets in default configuratin:
 188 AC_SUBST(UNIXONLY)
 189
 190
 191 AC_MSG_CHECKING([for build target])
 192 AM_CONDITIONAL(DARWIN,  test "$build_target" = "darwin")
 193 AM_CONDITIONAL(SOLARIS, test "$build_target" = "solaris")
 194 AM_CONDITIONAL(XNETBSD, test "$build_target" = "netbsd")
 195 AM_CONDITIONAL(XFREEBSD, test "$build_target" = "freebsd")
 196 AM_CONDITIONAL(OPENBSD, test "$build_target" = "openbsd")
 197 # FIXME: We need a define BSD for some binaries like we
 198 # need define LINUX for some. This does not scale, how
 199 # can we solve this better?
 200 AM_CONDITIONAL(XBSD, test "$build_target" = "netbsd" -o "$build_target" = "freebsd" -o "$build_target" = "openbsd")
 201 AM_CONDITIONAL(LINUX, test "$build_target" = "linux")
 202 AM_CONDITIONAL(GNU, test "$build_target" = "gnu")
 203
 204 AC_MSG_RESULT([$build_target])
 205 AC_SUBST(build_target)
 206 AM_CONDITIONAL([am__fastdepOBJC], false)
 207 AC_UNALIGNED_64_ACCESS
 208
 209 # some other checks for standard libs
 210 AC_SEARCH_LIBS([gethostbyname], [nsl ws2_32])
 211 AC_SEARCH_LIBS([memrchr], [],
 212                AC_DEFINE(HAVE_MEMRCHR,1,[memrchr supported]), [])
 213 AC_SEARCH_LIBS([memset_s], [],
 214                AC_DEFINE(HAVE_MEMSET_S,1,[memset_s supported]), [])
 215 AC_SEARCH_LIBS([explicit_bzero], [],
 216                AC_DEFINE(HAVE_EXPLICIT_BZERO,1,[explicit_bzero supported]), [])
 217 AC_CHECK_LIB(socket, socket)
 218 AC_CHECK_LIB(m, log)
 219 AC_CHECK_LIB(c, getloadavg, AC_DEFINE(HAVE_GETLOADAVG,1,[getloadavg supported]))
 220
 221 AC_CHECK_PROG(VAR_GETOPT_BINARY, getopt, true, false)
 222 AM_CONDITIONAL(HAVE_GETOPT_BINARY, $VAR_GETOPT_BINARY)
 223
 224 AC_CHECK_PROGS(PKG_CONFIG, [pkgconf, pkg-config], false)
 225 AM_CONDITIONAL(HAVE_PKG_CONFIG, test x$PKG_CONFIG != xfalse)
 226
 227 AC_CHECK_PROG(VAR_SSH_BINARY, ssh, true, false)
 228 AM_CONDITIONAL(HAVE_SSH_BINARY, $VAR_SSH_BINARY)
 229 AC_MSG_CHECKING(for SSH key)
 230   AM_CONDITIONAL(HAVE_SSH_KEY,  ssh -D 12345 -o "BatchMode yes" -o "UserKnownHostsFile /tmp/gnunet_test_cosks_ssh_garbage" -o "StrictHostKeyChecking no" 127.0.0.1 echo -n)
 231   if test -f /tmp/gnunet_test_cosks_ssh_garbage; then
 232      rm -f /tmp/gnunet_test_cosks_ssh_garbage
 233   fi
 234
 235
 236 # autotools' m4 for python has no maximum version!
 237 # python3.4 - python3.8 for tests (3.8 unchecked)
 238 # TODO: document how to override the lowest version
 239 # TODO: found by this.
 240 m4_define_default([_AM_PYTHON_INTERPRETER_LIST],[python3 python3.4 python3.5 python3.6 python3.7 python3.8 python])
 241 AM_PATH_PYTHON([3.4],, [:])
 242 AC_SUBST([PYTHON])
 243 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
 244
 245
 246 # perl
 247 AC_PATH_PROG( PERL, perl, ,
 248               $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
 249 AC_SUBST([PERL])
 250 AM_CONDITIONAL([HAVE_PERL], [test -x "$PERL"])
 251 AS_IF([test -x "$PERL"],
 252   [AC_DEFINE_UNQUOTED([HAVE_PERL], [1], [Path to Perl])],
 253   [AC_DEFINE_UNQUOTED([HAVE_PERL], [0], [Path to Perl])])
 254
 255 # awk
 256 AC_PATH_PROGS( AWK_BINARY, [awk gawk], ,$PATH:/usr/bin/:/usr/local/bin )
 257 AC_SUBST([AWK_BINARY])
 258 AM_CONDITIONAL([HAVE_AWK], [test -x "$AWK_BINARY"])
 259 AS_IF([test -x "$AWK_BINARY"],
 260   [AC_DEFINE_UNQUOTED([HAVE_AWK], [1], [Path to awk])],
 261   [AC_DEFINE_UNQUOTED([HAVE_AWK], [0], [Path to awk])])
 262
 263 # should we install gnunet-logread?
 264 AC_MSG_CHECKING(whether to install gnunet-logread)
 265 AC_ARG_WITH([gnunet-logread],
 266               [AS_HELP_STRING([--with-gnunet-logread],
 267                               [Install gnunet-logread])],
 268               [logread=${withval}],
 269               [logread=no])
 270 AC_MSG_RESULT($logread)
 271 AS_IF([test "x$logread" = "xyes"],
 272       [AM_CONDITIONAL([GNUNET_LOGREAD], true)
 273        AC_DEFINE([GNUNET_LOGREAD],
 274                  [1],
 275                  [Installing gnunet-logread])],
 276       [AM_CONDITIONAL([GNUNET_LOGREAD],
 277                       false)
 278        AC_DEFINE([GNUNET_LOGREAD],
 279                  [0],
 280                  [Not installing gnunet-logread])])
 281
 282 # iptables is a soft requirement to run tests
 283 AC_PATH_TARGET_TOOL(VAR_IPTABLES_BINARY, iptables, false)
 284
 285 AS_IF([test x"$VAR_IPTABLES_BINARY" = x"false"],
 286  [AS_IF([test -x "/sbin/iptables"],
 287    [VAR_IPTABLES_BINARY="/sbin/iptables"],
 288    [AS_IF([test -x "/usr/sbin/iptables"],
 289       [VAR_IPTABLES_BINARY="/usr/sbin/iptables"])])])
 290
 291 AS_IF([test x"$VAR_IPTABLES_BINARY" != x"false"],
 292  [AC_DEFINE_UNQUOTED([IPTABLES], "$VAR_IPTABLES_BINARY", [Path to iptables])],
 293  [AC_MSG_WARN([warning: 'iptables' not found.])])
 294
 295 # ip6tables is a soft requirement for some features
 296 AC_PATH_TARGET_TOOL(VAR_IP6TABLES_BINARY, ip6tables, false)
 297
 298 AS_IF([test x"$VAR_IP6TABLES_BINARY" = x"false"],
 299   [AS_IF([test -x "/sbin/ip6tables"],
 300      [VAR_IP6TABLES_BINARY="/sbin/ip6tables"],
 301      [AS_IF([test -x "/usr/sbin/ip6tables"],
 302         [VAR_IP6TABLES_BINARY="/usr/sbin/ip6tables"])])])
 303
 304
 305 AS_IF([test x"$VAR_IP6TABLES_BINARY" != x"false"],
 306   [AC_DEFINE_UNQUOTED([IP6TABLES], "$VAR_IP6TABLES_BINARY", [Path to ip6tables])],
 307   [AC_MSG_WARN([warning: 'ip6tables' not found.])])
 308
 309 # ip is a soft requirement for some features
 310 AC_PATH_TARGET_TOOL(VAR_IP_BINARY, ip, false)
 311
 312 AS_IF([test x"$VAR_IP_BINARY" = x"false"],
 313  [AS_IF([test -x "/sbin/ip"],
 314    [VAR_IP_BINARY="/sbin/ip"],
 315    [AS_IF([test -x "/usr/sbin/ip"],
 316           [VAR_IP_BINARY="/usr/sbin/ip"])])])
 317
 318 AS_IF([test x"$VAR_IP_BINARY" != x"false"],
 319  [AC_DEFINE_UNQUOTED([PATH_TO_IP], "$VAR_IP_BINARY", [Path to ip])],
 320  [AC_MSG_WARN([warning: 'ip' not found.])])
 321
 322 # locate 'ifconfig'
 323 AC_PATH_TARGET_TOOL(VAR_IFCONFIG_BINARY, ifconfig, false)
 324
 325 AC_CHECK_PROG(VAR_IFCONFIG_BINARY, ifconfig, true, false)
 326 AS_IF([test x"$VAR_IFCONFIG_BINARY" = x"false"],
 327   [AS_IF([test -x "/sbin/ifconfig"],
 328      [VAR_IFCONFIG_BINARY="/sbin/ifconfig"],
 329      [AS_IF([test -x "/usr/sbin/ifconfig"],
 330             [VAR_IFCONFIG_BINARY="/usr/sbin/ifconfig"])])])
 331
 332 AS_IF([test x"$VAR_IFCONFIG_BINARY" != x"false"],
 333   [AC_DEFINE_UNQUOTED([IFCONFIG], "$VAR_IFCONFIG_BINARY", [Path to ifconfig])],
 334   [AC_MSG_WARN(['ifconfig' not found.])])
 335
 336
 337 # Test if 'adduser' binary exists
 338 MSG_USER_SETUP=true
 339 AC_PATH_PROG([MSG_USER_SETUP],
 340   [adduser],
 341   false,
 342   [path=$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
 343
 344 # Test if 'gnunet' user and the groups exist
 345 getent passwd gnunet > /dev/null
 346 HAVE_GNUNET_USER=$?
 347 getent group gnunet > /dev/null
 348 AS_IF([test x$? != x0],
 349       [HAVE_GNUNET_USER=1])
 350 getent group gnunetdns > /dev/null
 351 AS_IF([test x$? != x0],
 352       [HAVE_GNUNET_USER=1])
 353
 354 AC_PATH_TARGET_TOOL(VAR_SYSCTL_BINARY, sysctl, false)
 355
 356 AC_CHECK_PROG(VAR_SYSCTL_BINARY, sysctl, true, false)
 357 AS_IF([test x"$VAR_SYSCTL_BINARY" = x"false"],
 358       [AS_IF([test -x "/sbin/sysctl"],
 359              [VAR_SYSCTL_BINARY="/sbin/sysctl"],
 360              [AS_IF([test -x "/usr/sbin/sysctl"],
 361                     [VAR_SYSCTL_BINARY="/usr/sbin/sysctl"])])])
 362 AS_IF([test x"$VAR_SYSCTL_BINARY" != x"false"],
 363       [AC_DEFINE_UNQUOTED([SYSCTL], "$VAR_SYSCTL_BINARY", [Path to sysctl])],
 364       [AC_MSG_WARN(['sysctl' not found.])])
 365
 366 # miniupnpc / upnpc binary is a soft runtime requirement
 367 AC_PATH_TARGET_TOOL(VAR_UPNPC_BINARY, upnpc, false)
 368
 369 AS_IF([test x"$VAR_UPNPC_BINARY" != x"false"],
 370   [AC_DEFINE_UNQUOTED([UPNPC], "$VAR_UPNPC_BINARY", [Path to upnpc binary])],
 371   [AC_MSG_WARN([warning: 'upnpc' binary not found.])])
 372
 373
 374 # checkbashisms
 375 AC_CHECK_PROGS(CHECKBASHISMS_BINARY, [checkbashisms checkbashisms.pl], false)
 376 AM_CONDITIONAL(HAVE_CHECKBASHISMS, test x$CHECKBASHISMS_BINARY != xfalse)
 377
 378 # uncrustify
 379 # TODO: maybe add flag to pass location
 380 AC_CHECK_PROG(UNCRUSTIFY_BINARY, uncrustify, true)
 381 AM_CONDITIONAL(HAVE_UNCRUSTIFY_BINARY, $UNCRUSTIFY_BINARY)
 382
 383 # yapf
 384 # TODO: less repetition, add flag to pass name
 385 AC_CHECK_PROGS(YAPF_BINARY, [yapf yapf3.0 yapf3.1 yapf3.2 yapf3.3 yapf3.4 yapf3.5 yapf3.6 yapf3.7 yapf3.8 yapf3.9 yapf4.0], false)
 386 AM_CONDITIONAL(HAVE_YAPF_BINARY, test x$YAPF_BINARY != xfalse)
 387
 388
 389 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
 390   [AC_DEFINE(HAVE_TM_GMTOFF, 1,
 391      [Define if struct tm has the tm_gmtoff member.])],
 392      ,
 393      [#include <time.h>])
 394
 395 # 'save' libs; only those libs found so far will be
 396 # linked against _everywhere_.  For the others, we
 397 # will be more selective!
 398 SAVE_LIBS=$LIBS
 399
 400 have_addrinfo_a=0
 401 AC_CHECK_LIB(anl,
 402              getaddrinfo_a,
 403              [have_addrinfo_a=1 AC_DEFINE(HAVE_GETADDRINFO_A,
 404                                           1,
 405                                           [getaddrinfo_a supported])])
 406 AM_CONDITIONAL(HAVE_GETADDRINFO_A,
 407                [test "$have_addrinfo_a" = 1])
 408
 409 # libgcrypt
 410 gcrypt=0
 411 NEED_LIBGCRYPT_API=1
 412 NEED_LIBGCRYPT_VERSION=1.6.0
 413
 414
 415 AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION", gcrypt=1)
 416 AC_CHECK_DECLS([gcry_mpi_set_opaque_copy], [], [], [[#include <gcrypt.h>]])
 417
 418 AS_IF([test $gcrypt = 0],
 419  [
 420   AC_MSG_ERROR([[
 421 ***
 422 *** You need libgcrypt to build this program.
 423 *** This library is for example available at
 424 *** ftp://ftp.gnupg.org/gcrypt/libgcrypt/.
 425 *** At least version $NEED_LIBGCRYPT_VERSION (API $NEED_LIBGCRYPT_API)
 426 ***  is required.
 427 ***]])
 428 ])
 429 AC_DEFINE_UNQUOTED([NEED_LIBGCRYPT_VERSION], "$NEED_LIBGCRYPT_VERSION", [required libgcrypt version])
 430
 431 AC_CHECK_DECLS([struct in6_ifreq], [], [], [[#include <linux/if_tun.h>]])
 432
 433 AC_CHECK_HEADER([if_tun.h],
 434     [AC_DEFINE([IF_TUN_HDR], ["if_tun.h"], [if_tun.h include path])],
 435     [AC_CHECK_HEADER([linux/if_tun.h],
 436         [AC_DEFINE([IF_TUN_HDR], ["linux/if_tun.h"])],
 437         [AC_CHECK_HEADER([net/if_tun.h],
 438             [AC_DEFINE([IF_TUN_HDR], ["net/if_tun.h"])],
 439             [AC_CHECK_HEADER([net/tun/if_tun.h],
 440                 [AC_DEFINE([IF_TUN_HDR], ["net/tun/if_tun.h"])])])])])
 441
 442
 443 # should the build process be building the documentation?
 444 AC_MSG_CHECKING(whether to build documentation)
 445 AC_ARG_ENABLE([documentation],
 446               [AS_HELP_STRING([--disable-documentation],
 447                               [do not build the documentation])],
 448               [documentation=${enableval}],
 449               [documentation=yes])
 450 AC_MSG_RESULT($documentation)
 451 AS_IF([test "x$documentation" = "xyes"],
 452       [AM_CONDITIONAL([DOCUMENTATION],
 453                       true)
 454        AC_DEFINE([DOCUMENTATION],
 455                  [1],
 456                  [Building the documentation])],
 457       [AM_CONDITIONAL([DOCUMENTATION],
 458                       false)
 459        AC_DEFINE([DOCUMENTATION],
 460                  [0],
 461                  [Not building the documentation])])
 462
 463 # COMMENT: Check whether to transpile texinfo to mdoc.
 464 # COMMENT: This is TRUE when --enable-texi2mdoc-generation
 465 # COMMENT: but ERRORS when texi2mdoc binary is missing in your $PATH
 466 # COMMENT: and makes the configure fail if it is missing.
 467 # COMMENT: Consequential the DEFINE and CONDITIONAL are set to true.
 468 # COMMENT: This is FALSE when --disable-texi2mdoc-generation was set
 469 # COMMENT: or nothing was set (this is the default).
 470 # COMMENT: There are 2 nested AS_IFs because we need to catch the
 471 # COMMENT: potential non-existence of the texi2mdoc binary.
 472 # COMMENT: Default return value / setting: no
 473 AC_MSG_CHECKING(whether to include generated texi2mdoc output in installation)
 474 AC_ARG_ENABLE([texi2mdoc-generation],
 475               [AS_HELP_STRING([--enable-texi2mdoc-generation],
 476                               [include generated texi2mdoc output in installation])],
 477               [texi2mdoc_generation=${enableval}],
 478               [texi2mdoc_generation=no])
 479 AC_MSG_RESULT($texi2mdoc_generation)
 480 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
 481       [AS_IF([test "$texi2mdoc" = 0],
 482              [AC_MSG_WARN([ERROR: transpiled mdoc output requires texi2mdoc.])
 483               AC_MSG_WARN([ERROR: texi2mdoc can be obtained via your])
 484               AC_MSG_WARN([ERROR: Operating System package manager or from])
 485               AC_MSG_WARN([ERROR: https://mandoc.bsd.lv/texi2mdoc/])],
 486              [AM_CONDITIONAL([TEXI2MDOC_GENERATION],true)
 487               AC_DEFINE([TEXI2MDOC_GENERATION],
 488                         [1],
 489                         [Building section 7 mdoc output])])],
 490       [AM_CONDITIONAL([TEXI2MDOC_GENERATION],
 491                       false)
 492        AC_DEFINE([TEXI2MDOC_GENERATION],
 493                  [0],
 494                  [Not building section 7 mdoc output])])
 495
 496 # test for texi2mdoc (the binary, not the script distributed
 497 # with autogen)
 498 # TODO: refactor this and the check above.
 499 AC_MSG_CHECKING(for texi2mdoc binary)
 500 AC_CHECK_PROGS(TEXI2MDOC_BINARY, [texi2mdoc], false)
 501 AM_CONDITIONAL(HAVE_TEXI2MDOC, test x$TEXI2MDOC_BINARY != xfalse)
 502
 503 # texi2man is a tool which needs to be investigated and
 504 # is probably incompatible to texi2mdoc in invocation.
 505 # Detection at this point only serves as a reminder that
 506 # I will work this into the build-system.
 507 AC_MSG_CHECKING(for texi2man perl script)
 508 AC_CHECK_PROGS(TEXI2MAN_SCRIPT, [texi2man], false)
 509 AM_CONDITIONAL(HAVE_TEXI2MAN, test x$TEXI2MAN_SCRIPT != xfalse)
 510
 511
 512 # test for mandoc
 513 AC_MSG_CHECKING(for mandoc binary)
 514 AC_CHECK_PROGS(MANDOC_BINARY, [mandoc], false)
 515 AM_CONDITIONAL(HAVE_MANDOC, test x$MANDOC_BINARY != xfalse)
 516
 517 # should the build process be building only the documentation?
 518 AC_MSG_CHECKING(whether to build only documentation)
 519 AC_ARG_ENABLE([documentation-only],
 520    [AS_HELP_STRING([--enable-documentation-only],
 521                    [build only the documentation])],
 522    [documentation_only=${enableval}],
 523    [documentation_only=no])
 524 AC_MSG_RESULT($documentation_only)
 525 AS_IF([test "x$documentation_only" = "xyes"],
 526  [
 527   AM_CONDITIONAL([DOCUMENTATION_ONLY],true)
 528   AC_DEFINE([DOCUMENTATION_ONLY],[1],[Building only the documentation])
 529  ],[
 530   AM_CONDITIONAL([DOCUMENTATION_ONLY],false)
 531   AC_DEFINE([DOCUMENTATION_ONLY],[0],[Doing a normal build, more than only documentation])
 532  ])
 533
 534 # should the build process be including the manpages? (default: yes)
 535 AC_MSG_CHECKING(whether to include man pages)
 536 AC_ARG_ENABLE([include-manpages],
 537    [AS_HELP_STRING([--disable-include-manpages],
 538                    [Do not include the man pages in build and installation])],
 539    [include_manpages=${enableval}],
 540    [include_manpages=yes])
 541 AC_MSG_RESULT($include_manpages)
 542 AS_IF([test "x$include_manpages" = "xyes"],
 543  [
 544   AM_CONDITIONAL([INCLUDE_MANPAGES],true)
 545   AC_DEFINE([INCLUDE_MANPAGES],[1],[Including the man pages in the build and installation])
 546  ],[
 547   AM_CONDITIONAL([INCLUDE_MANPAGES],false)
 548   AC_DEFINE([INCLUDE_MANPAGES],[0],[Not including the man pages in the build and installation])
 549  ])
 550
 551 # Do we have texinfo4? If yes, it is used to set texinfo4 specific switches
 552 # (not syntax!) to the commandline tools which generate the html. If not,
 553 # texinfo5 switches are used. This comes with no version checks, is
 554 # enabled only at distributors action (ie defaults to "no").
 555 # Mantis #3914 for more details (https://bugs.gnunet.org/view.php?id=3914)
 556 AC_MSG_CHECKING(whether to enable texinfo4 switches)
 557 AC_ARG_ENABLE([texinfo4],
 558    [AS_HELP_STRING([--enable-texinfo4], [Use texinfo version 4 specific switches])],
 559    [activate_texinfo4=${enableval}],
 560    [activate_texinfo4=no])
 561 AC_MSG_RESULT($activate_texinfo4)
 562 AS_IF([test "x$activate_texinfo4" = "xyes"],
 563  [
 564   AM_CONDITIONAL([ACTIVATE_TEXINFO4],true)
 565   AC_DEFINE([ACTIVATE_TEXINFO4],[1],[Using texinfo version 4 specific switches])
 566  ],[
 567   AM_CONDITIONAL([ACTIVATE_TEXINFO4],false)
 568   AC_DEFINE([INCLUDE_MANPAGES],[0],[Using texinfo version 5 or later switches])
 569  ])
 570
 571
 572 # Adam shostack suggests the following for Windows:
 573 # -D_FORTIFY_SOURCE=2 -fstack-protector-all
 574 AC_ARG_ENABLE([gcc-hardening],
 575    AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
 576 [AS_IF([test x$enableval = xyes],[
 577     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all"
 578     CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
 579     CFLAGS="$CFLAGS --param ssp-buffer-size=1"
 580     LDFLAGS="$LDFLAGS -pie"
 581  ])])
 582
 583 # Linker hardening options
 584 # Currently these options are ELF specific - you can't use this with MacOSX
 585 AC_ARG_ENABLE([linker-hardening],
 586   AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
 587 [AS_IF([test x$enableval = xyes],
 588    [LDFLAGS="$LDFLAGS -z relro -z now"])])
 589
 590
 591 AC_ARG_ENABLE([sanitizer],
 592   AS_HELP_STRING(--enable-sanitizer, enable Address Sanitizer and Undefined Behavior Sanitizer),
 593 [AS_IF([test x$enableval = xyes],[
 594    LDFLAGS="$CFLAGS -fsanitize=address,undefined -fno-omit-frame-pointer"
 595  ])])
 596
 597
 598 extra_logging=GNUNET_NO
 599 AC_ARG_ENABLE([logging],
 600    AS_HELP_STRING([--enable-logging@<:@=value@:>@],[Enable logging calls. Possible values: yes,no,verbose,veryverbose ('yes' is the default)]),
 601    [AS_IF([test "x$enableval" = "xyes"], [],
 602           [test "x$enableval" = "xno"], [AC_DEFINE([GNUNET_CULL_LOGGING],[],[Define to cull all logging calls])],
 603           [test "x$enableval" = "xverbose"], [extra_logging=GNUNET_YES]
 604           [test "x$enableval" = "xveryverbose"], [extra_logging=\(GNUNET_YES+1\)])
 605    ], [])
 606 AC_DEFINE_UNQUOTED([GNUNET_EXTRA_LOGGING],[$extra_logging],[1 if extra logging is enabled, 2 for very verbose extra logging, 0 otherwise])
 607
 608 # should memory poisoning be enabled?
 609 AC_MSG_CHECKING(whether to poison freed memory)
 610 AC_ARG_ENABLE([poisoning],
 611    [AS_HELP_STRING([--enable-poisoning], [enable poisoning of freed memory (good for debugging)])],
 612    [enable_poisoning=${enableval}],
 613    [
 614      AS_IF([test "x$extra_logging" != "xGNUNET_NO"],
 615        [enable_poisoning="defaults to yes (extra logging is enabled)"],
 616        [enable_poisoning=no])
 617    ])
 618 AC_MSG_RESULT($enable_poisoning)
 619 AS_IF([test ! "x$enable_poisoning" = "xno"],
 620   [enable_poisoning=1],
 621   [enable_poisoning=0])
 622 AC_DEFINE_UNQUOTED([ENABLE_POISONING],[$enable_poisoning],[1 if freed memory should be poisoned, 0 otherwise])
 623
 624 AS_IF([test $build = $target],
 625 [
 626 AC_MSG_CHECKING([for working HMAC])
 627 AC_LANG_PUSH(C)
 628 LIBS="$LIBS $LIBGCRYPT_LIBS"
 629 CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
 630 AC_RUN_IFELSE(
 631   [AC_LANG_PROGRAM([#include <gcrypt.h>
 632         #include <stdio.h>], [[
 633         gcry_md_hd_t mac;
 634
 635         unsigned char data[] = { 0xbf, 0x16, 0x6e, 0x46, 0x3a, 0x6c, 0xf3, 0x93, 0xa7, 0x72,
 636             0x11, 0xa1, 0xdc, 0x0b, 0x07, 0xdb, 0x1a, 0x5e, 0xd9, 0xb9, 0x81, 0xbe,
 637             0xea, 0xe4, 0x31, 0x5f, 0x24, 0xff, 0xfe, 0x50, 0x8a, 0xde };
 638         unsigned char key[] = { 0xfc, 0x62, 0x76, 0x35 };
 639         unsigned char result[] = {0xa2, 0xb, 0x1, 0xd9, 0xc0, 0x8b, 0x5a, 0x12, 0x80,
 640             0xd5, 0x50, 0x12, 0x8e, 0xd0, 0x5b, 0xb6, 0x5c, 0x87, 0x24, 0xe2, 0xd0,
 641             0xd2, 0xaf, 0x63, 0xae, 0xd1, 0xd6, 0x64, 0x14, 0xe3, 0x6e, 0x61, 0x5b,
 642             0xd, 0xba, 0x17, 0x7d, 0xd3, 0x10, 0xb1, 0x37, 0x41, 0x91, 0x7d, 0xeb,
 643             0x1, 0x4d, 0x71, 0xe8, 0x59, 0x71, 0x42, 0x8e, 0xd6, 0xf3, 0x29, 0x3b,
 644             0x90, 0xf2, 0xd1, 0xaf, 0x65, 0x1e, 0xb3};
 645
 646         if (!gcry_check_version (GCRYPT_VERSION))
 647         {
 648           fprintf (stderr, "Version mismatch %s <-> %s \n", gcry_check_version (NULL), GCRYPT_VERSION);
 649           return 1;
 650         }
 651
 652         gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
 653         gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
 654
 655         if (gcry_md_open(&mac, GCRY_MD_SHA512, GCRY_MD_FLAG_HMAC) != GPG_ERR_NO_ERROR)
 656         {
 657           fprintf (stderr, "gcry_md_open error\n");
 658           return 2;
 659         }
 660
 661         gcry_md_setkey (mac, key, sizeof (key));
 662         gcry_md_write (mac, data, sizeof (data));
 663
 664         if (memcmp(gcry_md_read (mac, 0), result, gcry_md_get_algo_dlen (gcry_md_get_algo (mac))) != 0)
 665         {
 666           fprintf (stderr, "memcmp error\n");
 667           return 3;
 668         }
 669
 670         gcry_md_close (mac);
 671
 672         return 0;
 673     ]])],
 674   [AC_MSG_RESULT([yes])],
 675   [
 676    RESULT=$?
 677    if test $RESULT = 3
 678    then
 679      AC_MSG_FAILURE([HMAC test vector does not match. This is a known problem with libgcrypt 1.2.2 on Windows and fixed in 1.4.6.])
 680    fi
 681    if test $RESULT = 2
 682    then
 683      AC_MSG_FAILURE([HMAC test failed])
 684    fi
 685    if test $RESULT = 1
 686    then
 687      AC_MSG_FAILURE([libgcrypt header version does not match library version])
 688    fi
 689   ],
 690   [AC_MSG_RESULT([cross compiling, test skipped])])
 691 AC_LANG_POP(C)
 692 ])      # $build = $target
 693
 694 AC_COMPILE_IFELSE([AC_LANG_SOURCE(
 695   [[int main() {
 696       _Static_assert(sizeof(int) >= 4, "not big enough");
 697       return 0;
 698     };]])],
 699   [AC_DEFINE([HAVE_STATIC_ASSERT],[1],[Static assertions supported])],
 700   [AC_DEFINE([HAVE_STATIC_ASSERT],[0],[Static assertions not supported])])
 701
 702 # check for bluetooth library
 703 bluetooth=0
 704 AC_MSG_CHECKING(for libbluetooth)
 705 AC_ARG_WITH(libbluetooth,
 706     [  --with-libbluetooth=PREFIX (base of libbluetooth installation)],
 707     [AC_MSG_RESULT([$with_libbluetooth])
 708      AS_CASE([$with_libbluetooth],
 709         [no],[],
 710         [yes],[
 711             CHECK_LIBHEADER(BLUETOOTH,
 712                             bluetooth,
 713                             ba2str,
 714                             bluetooth/bluetooth.h,
 715                             bluetooth=1,)
 716         ],[
 717             LDFLAGS="-L$with_libbluetooth/lib $LDFLAGS"
 718             CPPFLAGS="-I$with_libbluetooth/include $CPPFLAGS"
 719             AC_CHECK_HEADERS(bluetooth/bluetooth.h,
 720                              AC_CHECK_LIB([bluetooth],
 721                                           [ba2str],
 722                                           EXT_LIB_PATH="-L$with_libbluetooth/lib $EXT_LIB_PATH"
 723                                           bluetooth=1))
 724         ])
 725     ],
 726     [AC_MSG_RESULT([--with-libbluetooth not specified])
 727      CHECK_LIBHEADER(BLUETOOTH,
 728                      bluetooth,
 729                      ba2str,
 730                      bluetooth/bluetooth.h,
 731                      bluetooth=1,)])
 732 AM_CONDITIONAL(HAVE_LIBBLUETOOTH, [test "$bluetooth" = 1])
 733 AS_IF([test "$bluetooth" = 1],
 734       [AC_DEFINE([HAVE_LIBBLUETOOTH],[1],[Have bluetooth library])],
 735       [AC_DEFINE([HAVE_LIBBLUETOOTH],[0],[Lacking bluetooth library])])
 736
 737 # check for zbar library
 738 # NOTE: Do not add checks for: -lSM, -lICE, -lX11, -lXv and -ljpeg
 739 # NOTE: they must be provided by the build environment, not the
 740 # NOTE: build-system of gnunet, as they are 2nd or 3rd level dependencies.
 741 zbar=0
 742 AC_MSG_CHECKING(for libzbar)
 743 AC_ARG_WITH(zbar,
 744    [  --with-zbar=PREFIX (base of libzbar installation)],
 745    [AC_MSG_RESULT([$with_zbar])
 746     AS_CASE([$with_zbar],
 747       [no],[],
 748       [yes],[CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)],
 749       [
 750         LDFLAGS="-L$with_zbar/lib $LDFLAGS"
 751         CPPFLAGS="-I$with_zbar/include $CPPFLAGS"
 752         AC_CHECK_HEADERS(zbar.h,
 753           AC_CHECK_LIB([zbar], [zbar_processor_create],
 754             EXT_LIB_PATH="-L$with_zbar/lib $EXT_LIB_PATH"
 755             zbar=1))
 756        ])
 757    ],
 758    [AC_MSG_RESULT([--with-zbar not specified])
 759     CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)])
 760 AM_CONDITIONAL(HAVE_ZBAR, [test "$zbar" = 1])
 761 AS_IF([test "x$zbar" = x1],
 762       [AC_DEFINE([HAVE_ZBAR],[1],[Have zbar library])],
 763       [AC_DEFINE([HAVE_ZBAR],[0],[Lacking zbar library])])
 764
 765 # check for jansson library
 766 jansson=0
 767 AC_MSG_CHECKING(for libjansson)
 768 AC_ARG_WITH(jansson,
 769    [  --with-jansson=PREFIX (base of libjansson installation)],
 770    [AC_MSG_RESULT([$with_jansson])
 771     AS_CASE([$with_jansson],
 772       [no],[],
 773       [yes],[
 774         CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)
 775       ],[
 776         LDFLAGS="-L$with_jansson/lib $LDFLAGS"
 777         CPPFLAGS="-I$with_jansson/include $CPPFLAGS"
 778         AC_CHECK_HEADERS(jansson.h,
 779           AC_CHECK_LIB([jansson], [json_loads],
 780             EXT_LIB_PATH="-L$with_jansson/lib $EXT_LIB_PATH"
 781             jansson=1))
 782       ])
 783    ],
 784    [AC_MSG_RESULT([--with-jansson not specified])
 785     CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)])
 786 AM_CONDITIONAL(HAVE_JANSSON, [test "$jansson" = 1])
 787 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
 788 AS_IF([test "x$jansson" = x1],
 789       [AC_DEFINE([HAVE_JANSSON],[1],[Have jansson library])],
 790       [AC_DEFINE([HAVE_JANSSON],[0],[Lacking jansson library])])
 791
 792
 793 # check for libpulse(audio) library
 794 pulse=0
 795 libpulse_msg="no"
 796 AC_MSG_CHECKING(for libpulse)
 797 # TODO: --with-libpulse or --with-pulseaudio? What is more established
 798 # TODO: in this context?
 799 AC_ARG_WITH(libpulse,
 800     [  --with-libpulse=PREFIX (base of libpulse installation)],
 801     [AC_MSG_RESULT([$with_libpulse])
 802      AS_CASE([$with_libpulse],
 803         [no],[],
 804         [yes],[
 805             CHECK_LIBHEADER(LIBPULSE,
 806                             pulse,
 807                             pa_stream_peek,
 808                             pulse/simple.h,
 809                             pulse=1,)
 810         ],[
 811             LDFLAGS="-L$with_libpulse/lib $LDFLAGS"
 812             CPPFLAGS="-I$with_libpulse/include $CPPFLAGS"
 813             AC_CHECK_HEADERS(pulse/simple.h,
 814                              AC_CHECK_LIB([pulse],
 815                                           [pa_stream_peek],
 816                                           EXT_LIB_PATH="-L$with_libpulse/lib $EXT_LIB_PATH"
 817                                           pulse=1))
 818         ])
 819     ],
 820     [AC_MSG_RESULT([--with-libpulse not specified])
 821      CHECK_LIBHEADER(LIBPULSE,
 822                      pulse,
 823                      pa_stream_peek,
 824                      pulse/simple.h,
 825                      pulse=1,)])
 826 AM_CONDITIONAL(HAVE_PULSE, [test "$pulse" = 1])
 827 AS_IF([test x"$pulse" = x1],
 828       [AC_DEFINE([HAVE_PULSE],[1],[Have libpulse(audio) library])
 829        libpulse_msg="yes"],
 830       [AC_DEFINE([HAVE_PULSE],[0],[Lacking libpulse(audio) library])
 831        libpulse_msg="no"])
 832
 833 # check for libopus(audio) library
 834 opus=0
 835 libopus_msg="no"
 836 AC_MSG_CHECKING(for libopus)
 837 AC_ARG_WITH(libopus,
 838     [  --with-libopus=PREFIX (base of libopus installation)],
 839     [AC_MSG_RESULT([$with_libopus])
 840      AS_CASE([$with_libopus],
 841         [no],[],
 842         [yes],[
 843             CHECK_LIBHEADER(LIBOPUS,
 844                             opus,
 845                             opus_decode_float,
 846                             opus/opus.h,
 847                             AC_CHECK_DECL([OPUS_SET_GAIN],
 848                                           [opus=1],
 849                                           [],
 850                                           [[
 851                                           #include <opus/opus.h>
 852                                           ]]))
 853     ],[
 854         LDFLAGS="-L$with_libopus/lib $LDFLAGS"
 855         CPPFLAGS="-I$with_libopus/include $CPPFLAGS"
 856         AC_CHECK_HEADERS(opus/opus.h,
 857                          AC_CHECK_LIB([opus],
 858                                       [OPUS_SET_GAIN],
 859                                       EXT_LIB_PATH="-L$with_libopus/lib $EXT_LIB_PATH"
 860                                       opus=1))
 861       ])
 862     ],
 863     [AC_MSG_RESULT([--with-libopus not specified])
 864      CHECK_LIBHEADER(LIBOPUS,
 865                      opus,
 866                      opus_decode_float,
 867                      opus/opus.h,
 868                      AC_CHECK_DECL([OPUS_SET_GAIN],
 869                                    [opus=1],
 870                                    [],
 871                                    [[
 872                                      #include <opus/opus.h>
 873                                    ]]))])
 874 AM_CONDITIONAL(HAVE_OPUS, [test "$opus" = 1])
 875 AS_IF([test "x$opus" = x1],
 876       [AC_DEFINE([HAVE_OPUS],[1],[Have libopus library])
 877        libopus_msg="yes"],
 878       [AC_DEFINE([HAVE_OPUS],[0],[Lacking libopus library])
 879        libopus_msg="no (required for conversation)"])
 880
 881 # libogg
 882 AC_MSG_CHECKING(for libogg)
 883 AC_ARG_WITH(libogg,
 884     [  --with-libogg=PREFIX (base of libogg installation)],
 885     [AC_MSG_RESULT([$with_libogg])
 886      AS_CASE([$with_libogg],
 887         [no],[],
 888         [yes],[
 889             CHECK_LIBHEADER(LIBOGG,
 890                             ogg,
 891                             ogg_stream_flush_fill,
 892                             ogg/ogg.h,
 893                             ogg=1,)
 894         ],[
 895             LDFLAGS="-L$with_libogg/lib $LDFLAGS"
 896             CPPFLAGS="-I$with_libogg/include $CPPFLAGS"
 897             AC_CHECK_HEADERS(ogg/ogg.h,
 898                              AC_CHECK_LIB([ogg],
 899                                           [ogg_stream_flush_fill],
 900                                           EXT_LIB_PATH="-L$with_libogg/lib $EXT_LIB_PATH"
 901                                           ogg=1))
 902         ])
 903      ],
 904      [AC_MSG_RESULT([--with-libogg not specified])
 905       CHECK_LIBHEADER(LIBOGG,
 906                       ogg,
 907                       ogg_stream_flush_fill,
 908                       ogg/ogg.h,
 909                       ogg=1,)])
 910 AM_CONDITIONAL(HAVE_OGG, [test "$ogg" = 1])
 911 AS_IF([test x"$ogg" = x1],
 912       [AC_DEFINE([HAVE_OGG],[1],[Have ogg])]
 913       [AC_DEFINE([HAVE_OGG],[0],[Lacking ogg])])
 914
 915
 916 PKG_CHECK_MODULES([GLIB],
 917                   [glib-2.0],
 918   [# check for pbc library
 919   pbc=0
 920    AC_CHECK_HEADER([pbc/pbc.h],pbc=1)
 921    AC_CHECK_HEADER([gabe.h],abe=1)
 922    AM_CONDITIONAL(HAVE_PBC, [test "x$pbc" = x1])
 923    AM_CONDITIONAL(HAVE_ABE, [test "x$abe" = x1])
 924    AS_IF([test "x$pbc" = x1],
 925      [AC_DEFINE([HAVE_PBC],[1],[Have pbc library])],
 926      [AC_DEFINE([HAVE_PBC],[0],[Lacking pbc library])])
 927    AS_IF([test "x$abe" = x1],
 928     [AC_DEFINE([HAVE_ABE],[1],[Have ABE library])],
 929     [AC_DEFINE([HAVE_ABE],[0],[Lacking ABE library])])],
 930   [# glib-2 not found
 931    AM_CONDITIONAL(HAVE_PBC, [false])
 932    AM_CONDITIONAL(HAVE_ABE, [false])
 933    AC_DEFINE([HAVE_PBC],[0],[Lacking glib library])])
 934
 935
 936 gst=0
 937 gstreamer_msg="no"
 938 AC_MSG_CHECKING(for gstreamer)
 939 PKG_CHECK_MODULES(
 940   [GST],
 941   [glib-2.0 gobject-2.0 gstreamer-1.0 gstreamer-app-1.0 gstreamer-audio-1.0],
 942   [gst=1
 943    gstreamer_msg="yes"],
 944   [gst=0])
 945
 946 # conversation
 947 AC_MSG_CHECKING(conversation feature set to build)
 948 AS_IF([test "x$pulse" != "x1" -o "x$opus" != "x1" -o "x$ogg" != "x1"],[
 949  AS_IF([test "x$gst" != "x1"],[
 950   conversation_backend=none
 951   AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 952   AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 953   AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 954  ],[
 955    conversation_backend=gst
 956    AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 957    AM_CONDITIONAL(BUILD_GST_HELPERS, true)
 958    AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 959  ])
 960 ],[
 961  conversation_backend=pulse
 962  AM_CONDITIONAL(BUILD_PULSE_HELPERS, true)
 963  AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 964  AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 965 ])
 966
 967 AS_IF([test "x$conversation_backend" = "xnone"],
 968       AM_CONDITIONAL(BUILD_CONVERSATION, false),
 969       AM_CONDITIONAL(BUILD_CONVERSATION, true))
 970
 971 # libgnurl
 972 LIBGNURL_CHECK_CONFIG(,7.34.0,gnurl=1,gnurl=0)
 973
 974 SAVE_CPPFLAGS=$CPPFLAGS
 975 CPPFLAGS="$LIBGNURL_CPPFLAGS $LIBCURL_CPPFLAGS $CPPFLAGS"
 976 LIBS="$LIBGNURL $LIBCURL $LIBS"
 977
 978 # libcurl-gnutls
 979 LIBCURL_CHECK_CONFIG(,7.34.0,[curl=true],[curl=false])
 980 AS_IF([test "x$curl" = xtrue],[
 981  AC_CHECK_HEADER([curl/curl.h],
 982   AC_CHECK_DECLS(CURLINFO_TLS_SESSION,[curl=true],[curl=false],[[#include <curl/curl.h>]]),
 983   [curl=false])
 984  # need libcurl-gnutls.so, everything else is not acceptable
 985  AC_CHECK_LIB([curl-gnutls],[curl_easy_getinfo],,[curl=false])
 986  # cURL must support CURLINFO_TLS_SESSION, version >= 7.34
 987 ])
 988
 989 # libcurl and libgnurl should be mutually exclusive
 990 AS_IF([test "$gnurl" = 1],
 991       [AM_CONDITIONAL(HAVE_LIBGNURL, true)
 992        AC_DEFINE([HAVE_LIBGNURL],[1],[Have libgnurl])
 993        AM_CONDITIONAL(HAVE_LIBCURL, false)
 994        AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])],
 995       [AS_IF([test "$curl" = true],
 996              [AM_CONDITIONAL(HAVE_LIBGNURL, false)
 997               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
 998               AM_CONDITIONAL(HAVE_LIBCURL, true)
 999               AC_DEFINE([HAVE_LIBCURL],[1],[Have libcurl])],
1000              [AC_MSG_WARN([ERROR: GNUnet requires libcurl-gnutls or gnurl >= 7.34])
1001               AM_CONDITIONAL(HAVE_LIBGNURL, false)
1002               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
1003               AM_CONDITIONAL(HAVE_LIBCURL, false)
1004               AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])])])
1005
1006 AC_SEARCH_LIBS(__atomic_load_8, atomic, [have_libatomic=1 AC_DEFINE(HAVE_LIBATOMIC,1,[external libatomic])])
1007 AM_CONDITIONAL(HAVE_LIBATOMIC, [test "$have_libatomic" = 1])
1008
1009 # restore LIBS & CPPFLAGS
1010 LIBS=$SAVE_LIBS
1011 CPPFLAGS=$SAVE_CPPFLAGS
1012
1013
1014 AC_CHECK_HEADERS([nss.h],[nss=true],[nss=false])
1015 AS_IF([test x$nss = xfalse],
1016   [
1017         AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1018         AC_MSG_WARN([No GNU libc nss header, will not build NSS plugin])
1019   ],[
1020         NSS_INCLUDES="
1021         #include <nss.h>
1022         "
1023         AC_CHECK_DECL([NSS_STATUS_UNAVAIL],
1024                 [AM_CONDITIONAL(HAVE_GLIBCNSS, true)],
1025                 [AM_CONDITIONAL(HAVE_GLIBCNSS, false)
1026                  AC_MSG_WARN([No nss header fails to define NSS_STATUS_UNAVAIl, will not build NSS plugin])],
1027                 [$NSS_INCLUDES])
1028 ])
1029
1030
1031
1032 # test for kvm and kstat (for CPU stats under BSD/Solaris)
1033 AC_CHECK_LIB([kvm],[kvm_open])
1034 AC_CHECK_LIB([kstat],[kstat_open])
1035
1036 argon=0
1037 # test for argon2 (for POW)
1038 AC_CHECK_LIB([argon2],[argon2d_hash_raw], argon=1, argon=0)
1039 AS_IF([test x$argon = x1],
1040 [
1041  AC_MSG_RESULT([argon2 found])
1042 ],[
1043  AC_MSG_ERROR([GNUnet requires argon2.])
1044 ])
1045
1046 # test for libextractor
1047 extractor=0
1048 AC_MSG_CHECKING(for libextractor)
1049 AC_ARG_WITH(extractor,
1050    [  --with-extractor=PREFIX (base of libextractor installation)],
1051    [AC_MSG_RESULT([$with_extractor])
1052     AS_CASE([$with_extractor],
1053       [no],[],
1054       [yes],[
1055         AC_CHECK_HEADERS([extractor.h],
1056           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1057             extractor=1))
1058       ],[
1059         LDFLAGS="-L$with_extractor/lib $LDFLAGS"
1060         CPPFLAGS="-I$with_extractor/include $CPPFLAGS"
1061         AC_CHECK_HEADERS([extractor.h],
1062           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1063             EXT_LIB_PATH="-L$with_extractor/lib $EXT_LIB_PATH"
1064             extractor=1))
1065       ])
1066    ],
1067    [AC_MSG_RESULT([--with-extractor not specified])
1068     AC_CHECK_HEADERS([extractor.h],
1069      AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1070       extractor=1))])
1071 # restore LIBS
1072 LIBS=$SAVE_LIBS
1073
1074 AS_IF([test "$extractor" != 1],
1075  [
1076  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, false)
1077  AC_DEFINE([HAVE_LIBEXTRACTOR],[0],[Lacking libextractor])
1078  ],[
1079  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, true)
1080  AC_DEFINE([HAVE_LIBEXTRACTOR],[1],[Have libextractor])
1081  ])
1082
1083
1084 # Check for libltdl header (#2999)
1085 ltdl=0
1086 AC_MSG_CHECKING(for libltdl)
1087 AC_ARG_WITH(ltdl,
1088    [AS_HELP_STRING([--with-ltdl=PREFIX],[base of libltdl installation])],
1089    [AC_MSG_RESULT([$with_ltdl])
1090     AS_CASE([$with_ltdl],
1091       [no],[],
1092       [yes],[
1093         AC_CHECK_HEADERS(ltdl.h,
1094           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1095             ltdl=1))
1096       ],[
1097         LDFLAGS="-L$with_ltdl/lib $LDFLAGS"
1098         CPPFLAGS="-I$with_ltdl/include $CPPFLAGS"
1099         AC_CHECK_HEADERS(ltdl.h,
1100           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1101             EXT_LIB_PATH="-L$with_ltdl/lib $EXT_LIB_PATH"
1102             ltdl=1))
1103       ])
1104    ],
1105    [AC_MSG_RESULT([--with-ltdl not specified])
1106     AC_CHECK_HEADERS(ltdl.h,
1107      AC_CHECK_LIB([ltdl], [lt_dlopenext],
1108       ltdl=1))])
1109 AS_IF([test x$ltdl = x1],
1110 [
1111  AC_MSG_RESULT([libltdl found])
1112 ],[
1113  AC_MSG_ERROR([GNUnet requires libltdl (from GNU libtool).])
1114 ])
1115 # restore LIBS
1116 LIBS=$SAVE_LIBS
1117
1118 # libidn and libidn2. The ideal goal is this:
1119 # check for libidn2, if it doesn't exist check for libidn
1120 # if both exist, prefer libidn2
1121 # if none exist, fail and message that libidn or libidn2
1122 # is required with a preference for libidn2.
1123 # TODO: What we have right here can probably be improved.
1124 AC_MSG_CHECKING(for idn or idn2)
1125
1126 AC_MSG_CHECKING(for idn)
1127 my_with_libidn=1
1128 AC_ARG_WITH(libidn,
1129             AS_HELP_STRING([--with-libidn=pathname],
1130                            [Support IDN (needs libidn)]),
1131             [],
1132             [withval="yes"])
1133 AS_IF([test x_$withval = x_yes],
1134       [AC_CHECK_HEADERS([idna.h],
1135                         AC_MSG_NOTICE([Found idna.h]),
1136                         AC_CHECK_HEADERS([idn/idna.h],
1137                                          AC_MSG_NOTICE([Found idn/idna.h]),
1138                                          my_with_libidn=0))],
1139       [AS_IF([test x_$withval != x_no],
1140              [CFLAGS="$CFLAGS -I$withval/include"
1141               LDFLAGS="$LDFLAGS -L$withval/lib"
1142               AC_CHECK_HEADERS([idna.h],
1143                                AC_MSG_NOTICE([Found idna.h]),
1144                                    [AC_MSG_NOTICE([Failed to find idna.h])
1145                                my_with_libidn=0])],
1146              [my_with_libidn=0])])
1147
1148 AC_MSG_CHECKING(for idn2)
1149 my_with_libidn2=1
1150 AC_ARG_WITH(libidn2,
1151             AS_HELP_STRING([--with-libidn2=pathname],
1152                            [Support IDN (needs libidn2)]),
1153             [],
1154             [withval="yes"])
1155 AS_IF([test x_$withval = x_yes],
1156       [AC_CHECK_HEADERS([idn2.h],
1157                         AC_MSG_NOTICE([Found idn2.h]),
1158                         AC_CHECK_HEADERS([idn2/idn2.h],
1159                                          AC_MSG_NOTICE([Found idn2/idn2.h]),
1160                                          [AC_MSG_NOTICE([Failed to find idn2.h])
1161                                          my_with_libidn2=0]))],
1162       [AS_IF([test x_$withval != x_no],
1163              [CFLAGS="$CFLAGS -I$withval/include"
1164               LDFLAGS="$LDFLAGS -L$withval/lib"],
1165                   [my_with_libidn2=0])])
1166
1167 AC_MSG_CHECKING([if libidn can be used])
1168 # Check for LIBIDNs
1169 there_can_only_be_one=1
1170
1171 working_libidn1=0
1172 working_libidn2=0
1173 AS_IF([test x$my_with_libidn2 = x1],
1174       [AC_MSG_NOTICE([Checking for libidn2])
1175        AC_CHECK_LIB([idn2],
1176                     [idn2_to_unicode_8z8z],
1177                     [working_libidn2=1
1178                     LIBS="-lidn2 $LIBS"
1179                     AC_DEFINE_UNQUOTED([HAVE_LIBIDN2],
1180                                        [1],
1181                                        [Define to 1 if you have 'libidn2' (-lidn2).])],
1182                     [MISSING_DEPS="${MISSING_DEPS}${MISSING_SEP}libidn2"
1183                      MISSING_SEP=", "])])
1184 AM_CONDITIONAL(HAVE_LIBIDN2, test x$working_libidn2 = x1)
1185 AS_IF([test x$working_libidn2 = x0],
1186       [AS_IF([test x$my_with_libidn = x1],
1187              [AC_MSG_NOTICE([Checking for libidn])
1188               AC_CHECK_LIB([idn],
1189                            [idna_to_ascii_8z],
1190                            [working_libidn1=1
1191                            LIBS="-lidn $LIBS"
1192                            AC_DEFINE_UNQUOTED([HAVE_LIBIDN],
1193                                               [1],
1194                                               [Define to 1 if you have 'libidn' (-lidn).])],
1195                            [there_can_only_be_one=0])],
1196              [AS_IF([test x$my_with_libidn2 = x1],
1197                     [there_can_only_be_one=0
1198                      AC_MSG_FAILURE([* There can only be one libidn.
1199                                      * Provide either libidn >= 1.13
1200                                      * or
1201                                      * libidn2 to the configure
1202                                      * script via
1203                                      * --with-libidn2
1204                                      * --with-libidn])])])])
1205 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
1206
1207 AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
1208       [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
1209
1210 AS_IF([test x$there_can_only_be_one = x0],
1211       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])
1212
1213 # test for zlib
1214 SAVE_LDFLAGS=$LDFLAGS
1215 SAVE_CPPFLAGS=$CPPFLAGS
1216 AC_ARG_WITH(zlib,
1217             [  --with-zlib[[=DIR]]       use libz in DIR],
1218             [AS_IF([test "$withval" = "no"],
1219                    [AC_MSG_ERROR([GNUnet requires zlib])],
1220                    [test "$withval" != "yes"],
1221                    [Z_DIR=$withval
1222                     CPPFLAGS="${CPPFLAGS} -I$withval/include"
1223                     LDFLAGS="${LDFLAGS} -L$withval/lib"])])
1224 AC_CHECK_HEADER(zlib.h,
1225                 [],
1226                 [AC_MSG_ERROR([GNUnet requires zlib])])
1227 AC_CHECK_LIB(z,
1228              compress2,
1229              [AC_DEFINE([HAVE_ZLIB],
1230                         [],
1231                         [Have compression library])
1232               if test "x${Z_DIR}" != "x"; then
1233                       Z_CFLAGS="-I${Z_DIR}/include"
1234                       Z_LIBS="-L${Z_DIR}/lib -lz"
1235               else
1236                       Z_LIBS="-lz"
1237               fi],
1238               [AC_MSG_ERROR([GNUnet requires zlib])])
1239 AC_SUBST(Z_CFLAGS)
1240 AC_SUBST(Z_LIBS)
1241
1242 AS_IF([test "$enable_shared" = "no"],
1243       [AC_MSG_ERROR([GNUnet only works with shared libraries. Sorry.])])
1244
1245
1246 # restore LIBS
1247 LIBS=$SAVE_LIBS
1248
1249
1250 # check for iconv
1251 AM_ICONV
1252
1253 # test for libunistring
1254 gl_LIBUNISTRING
1255 AS_IF([test $HAVE_LIBUNISTRING != yes],
1256       [AC_MSG_ERROR([GNUnet requires libunistring])])
1257
1258 AS_IF([test "x$gl_libunistring_hexversion" = "x" || test "$gl_libunistring_hexversion" -le 2305],
1259       [AC_MSG_ERROR([GNUnet requires libunistring >= 0.9.1.1])])
1260 AC_CHECK_HEADERS([unistr.h],
1261                  ,
1262                  AC_MSG_ERROR([Compiling GNUnet requires unistr.h (from libunistring) to be installed]))
1263
1264 # restore LIBS
1265 LIBS=$SAVE_LIBS
1266
1267
1268
1269 # Checks for standard header files.
1270 AC_HEADER_DIRENT
1271 AC_HEADER_STDC
1272
1273 # Check for headers that are ALWAYS required
1274 AC_CHECK_HEADERS([fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h],,AC_MSG_ERROR([Compiling GNUnet requires standard UNIX headers files: fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h]))
1275
1276
1277
1278 # Checks for headers that are only required on some systems or
1279 # opional (and where we do NOT abort if they are not there)
1280 AC_CHECK_HEADERS([stdatomic.h malloc.h malloc/malloc.h malloc/malloc_np.h langinfo.h sys/param.h sys/mount.h sys/statvfs.h sys/select.h sockLib.h sys/mman.h sys/msg.h sys/vfs.h arpa/inet.h fcntl.h libintl.h netdb.h netinet/in.h sys/ioctl.h sys/socket.h sys/time.h unistd.h kstat.h sys/sysinfo.h kvm.h sys/file.h sys/resource.h ifaddrs.h mach/mach.h stddef.h sys/timeb.h argz.h ucred.h sys/ucred.h endian.h sys/endian.h execinfo.h byteswap.h])
1281
1282 # FreeBSD requires this for netinet/in_systm.h and netinet/ip.h
1283 AC_CHECK_HEADERS([sys/types.h netinet/in_systm.h netinet/in.h netinet/ip.h],,,
1284 [#ifdef HAVE_SYS_TYPES_H
1285 #include <sys/types.h>
1286 #endif
1287 #ifdef HAVE_NETINET_IN_SYSTM_H
1288 #include <netinet/in_systm.h>
1289 #endif
1290 #ifdef HAVE_NETINET_IN_H
1291 #include <netinet/in.h>
1292 #endif
1293 ])
1294
1295 SAVE_LDFLAGS=$LDFLAGS
1296 SAVE_CPPFLAGS=$CPPFLAGS
1297
1298 # test for sqlite
1299 sqlite=false
1300 AC_MSG_CHECKING(for SQLite)
1301 AC_ARG_WITH(sqlite,
1302   [  --with-sqlite=PFX       base of SQLite installation],
1303   [AC_MSG_RESULT("$with_sqlite")
1304    AS_CASE([$with_sqlite],
1305      [no],[],
1306      [yes],[
1307       AC_CHECK_HEADERS(sqlite3.h,
1308       sqlite=true)],
1309      [
1310     LDFLAGS="-L$with_sqlite/lib $LDFLAGS"
1311     CPPFLAGS="-I$with_sqlite/include $CPPFLAGS"
1312     AC_CHECK_HEADERS(sqlite3.h,
1313      EXT_LIB_PATH="-L$with_sqlite/lib $EXT_LIB_PATH"
1314      SQLITE_LDFLAGS="-L$with_sqlite/lib"
1315      SQLITE_CPPFLAGS="-I$with_sqlite/include"
1316      sqlite=true)
1317     LDFLAGS=$SAVE_LDFLAGS
1318     CPPFLAGS=$SAVE_CPPFLAGS
1319     ])
1320   ],
1321   [AC_MSG_RESULT([--with-sqlite not specified])
1322     AC_CHECK_HEADERS(sqlite3.h, sqlite=true)])
1323 AM_CONDITIONAL(HAVE_SQLITE, test x$sqlite = xtrue)
1324 AC_SUBST(SQLITE_CPPFLAGS)
1325 AC_SUBST(SQLITE_LDFLAGS)
1326
1327 LDFLAGS=$SAVE_LDFLAGS
1328 CPPFLAGS=$SAVE_CPPFLAGS
1329
1330 # test for postgres:
1331 postgres=false
1332 AX_LIB_POSTGRESQL([9.5],
1333   [CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
1334    AC_CHECK_HEADERS([libpq-fe.h],
1335    postgres=true)
1336   ],
1337   [AC_MSG_RESULT([no postgres])])
1338
1339 AM_CONDITIONAL(HAVE_POSTGRESQL, test x$postgres = xtrue)
1340 AS_IF([test "x$postgres" = xtrue],
1341       [AC_DEFINE([HAVE_POSTGRESQL],[1],[Have PostgreSQL])],
1342       [AC_DEFINE([HAVE_POSTGRESQL],[0],[Lacking PostgreSQL])])
1343
1344 LDFLAGS=$SAVE_LDFLAGS
1345 CPPFLAGS=$SAVE_CPPFLAGS
1346
1347 # mysql & windows
1348 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
1349 AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
1350
1351 # test for mysql
1352 mysql=false
1353 mysqlfail=false
1354 SAVE_LDFLAGS=$LDFLAGS
1355 SAVE_CPPFLAGS=$CPPFLAGS
1356 AC_MSG_CHECKING(for mysql)
1357 AC_ARG_WITH(mysql,
1358   [  --with-mysql=PFX        base of MySQL installation],
1359   [AC_MSG_RESULT([$with_mysql])
1360    AS_CASE([$with_mysql],
1361      [no],[],
1362      [yes|""],[
1363       AC_CHECK_HEADERS(mysql/mysql.h,
1364        AC_CHECK_LIB(mysqlclient, mysql_init,
1365        mysql=true), [], [])
1366      ],[
1367       LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql $LDFLAGS $ZLIBS"
1368       CPPFLAGS="-I$with_mysql/include $CPPFLAGS"
1369       AC_CHECK_HEADERS(mysql/mysql.h,
1370        AC_CHECK_LIB(mysqlclient, mysql_init,
1371         MYSQL_LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql"
1372         MYSQL_CPPFLAGS="-I$with_mysql/include"
1373
1374         mysql=true), [], [])
1375      ])
1376   ],
1377   [AC_MSG_RESULT([--with-mysql not specified])
1378    if test -d "/usr/lib64/mysql"; then
1379     MYSQL_LIBDIR="/usr/lib64/mysql"
1380    elif test -d "/usr/lib/mysql"; then
1381     MYSQL_LIBDIR="/usr/lib/mysql"
1382    else
1383     MYSQL_LIBDIR="/usr/lib"
1384    fi
1385    LDFLAGS="-L$MYSQL_LIBDIR $LDFLAGS $ZLIBS"
1386    AC_CHECK_LIB(mysqlclient, mysql_init,
1387     [AC_CHECK_HEADERS(mysql/mysql.h,
1388       MYSQL_LDFLAGS="-L$MYSQL_LIBDIR"
1389       mysql=true
1390
1391      , [], [])])
1392   ])
1393
1394 AC_SUBST(MYSQL_LDFLAGS)
1395 AC_SUBST(MYSQL_CPPFLAGS)
1396
1397 # additional version check for mysql
1398 AC_ARG_ENABLE(mysql-version-check, [  --disable-mysql-version-check  do not check MySQL version],, enable_mysql_version_check=yes)
1399 AS_IF([test "$mysql" = "true" -a "x$enable_mysql_version_check" = "xyes"],
1400  [
1401   AC_MSG_CHECKING(mysql version)
1402   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1403     [[
1404       #include <mysql/mysql.h>]],
1405     [[
1406       #if (MYSQL_VERSION_ID < 40100)
1407       #error needs at least version >= 4.1
1408       #endif
1409       int main () { return 0; }
1410     ]])
1411     ],
1412     [mysql=true],
1413     [mysql=false])
1414   AS_IF([test x$mysql = xfalse],
1415    [
1416     mysqlfail=true
1417     AC_MSG_WARN([fail, MySQL >= 4.1 required])
1418    ],[
1419     AC_MSG_NOTICE([success, will keep $mysqlfail])
1420     mysqlfail=false
1421     AC_MSG_RESULT(ok)
1422    ])
1423 ])
1424
1425 AM_CONDITIONAL(HAVE_MYSQL, test x$mysql = xtrue)
1426 AM_CONDITIONAL(HAVE_MYSQLE, false)
1427 # restore LIBS
1428 LIBS=$SAVE_LIBS
1429 LDFLAGS=$SAVE_LDFLAGS
1430 CPPFLAGS=$SAVE_CPPFLAGS
1431
1432 # TODO: should this test for "or" not "and"?
1433 # TODO: Add postgres?
1434 AS_IF([test "$sqlite" = 0 -a "$mysql" = 0],
1435 [
1436  AC_MSG_ERROR([GNUnet requires SQLite or MySQL / MariaDB.])
1437 ])
1438
1439 # libmicrohttpd
1440 lmhd=0
1441 m4_define([MHD_MODULE], [libmicrohttpd >= 0.9.63])
1442 AC_ARG_WITH(microhttpd,
1443    [AS_HELP_STRING([--with-microhttpd[[=PFX]]],
1444        [base of libmicrohttpd installation])],
1445    [],
1446    [with_microhttpd=check])
1447 AS_CASE([$with_microhttpd],
1448    [no], [],
1449    [yes], [PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])],
1450    [check], [PKG_CHECK_MODULES([MHD], [MHD_MODULE],
1451        [lmhd=1],
1452        [AC_MSG_WARN([Building without libmicrohttpd])])],
1453    [SAVE_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
1454     PKG_CONFIG_PATH=$with_microhttpd/lib/pkgconfig
1455     export PKG_CONFIG_PATH
1456     PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])
1457     PKG_CONFIG_PATH=$SAVE_PKG_CONFIG_PATH])
1458 AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
1459 AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
1460
1461 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
1462
1463 # restore LIBS
1464 LIBS=$SAVE_LIBS
1465
1466 # check for gettext
1467 AM_GNU_GETTEXT([external])
1468 AM_GNU_GETTEXT_VERSION([0.18.1])
1469
1470 # Checks for standard typedefs, structures, and compiler characteristics.
1471 AC_TYPE_PID_T
1472 AC_TYPE_SIZE_T
1473 AC_TYPE_MODE_T
1474 AC_HEADER_TIME
1475 AC_HEADER_STAT
1476 AC_HEADER_STDBOOL
1477 AC_STRUCT_TM
1478
1479 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
1480    [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
1481    ],
1482    [],
1483    [
1484       #include <sys/types.h>
1485       #include <sys/socket.h>
1486       #include <netinet/in.h>
1487    ])
1488
1489 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
1490                 [ AC_DEFINE(HAVE_SOCKADDR_UN_SUN_LEN,
1491                             1,
1492                             [Do we have sockaddr_un.sun_len?])],
1493                 [],
1494                 [
1495                 #include <sys/types.h>
1496                 #include <sys/socket.h>
1497                 #include <sys/un.h>
1498                 ])
1499
1500
1501
1502 # Checks for library functions.
1503 AC_FUNC_CLOSEDIR_VOID
1504 AC_FUNC_FORK
1505 AC_PROG_GCC_TRADITIONAL
1506 AC_FUNC_MEMCMP
1507 AC_FUNC_SELECT_ARGTYPES
1508 AC_FUNC_CHOWN
1509
1510 AC_TYPE_SIGNAL
1511 AC_FUNC_STAT
1512 AC_FUNC_STRFTIME
1513 AC_FUNC_VPRINTF
1514 AC_HEADER_SYS_WAIT
1515 AC_TYPE_OFF_T
1516 AC_TYPE_UID_T
1517 AC_CHECK_FUNCS([atoll stat64 strnlen mremap getrlimit setrlimit sysconf initgroups strndup gethostbyname2 getpeerucred getpeereid setresuid $funcstocheck getifaddrs freeifaddrs getresgid mallinfo malloc_size malloc_usable_size getrusage random srandom stat statfs statvfs wait4])
1518
1519 # restore LIBS
1520 LIBS=$SAVE_LIBS
1521
1522 GN_INTLINCL=""
1523 GN_LIBINTL="$LTLIBINTL"
1524 AC_ARG_ENABLE(framework,
1525               [AS_HELP_STRING([--enable-framework],[enable Mac OS X framework build helpers])],
1526               enable_framework_build=$enableval)
1527 AM_CONDITIONAL(WANT_FRAMEWORK,
1528                test x$enable_framework_build = xyes)
1529 AS_IF([test x$enable_framework_build = xyes],
1530       [AC_DEFINE([FRAMEWORK_BUILD],
1531                  1,
1532                  [Build a Mac OS X Framework])
1533       GN_INTLINCL='-I$(top_srcdir)/src/intlemu'
1534       GN_LIBINTL='$(top_builddir)/src/intlemu/libintlemu.la -framework CoreFoundation'
1535       AC_LIB_APPENDTOVAR([CPPFLAGS],
1536                          [$GN_INTLINCL])])
1537
1538 GN_LIB_LDFLAGS="-export-dynamic -no-undefined"
1539 GN_PLUGIN_LDFLAGS="-export-dynamic -avoid-version -module -no-undefined"
1540
1541 AC_SUBST(GN_LIB_LDFLAGS)
1542 AC_SUBST(GN_PLUGIN_LDFLAGS)
1543 AC_SUBST(GN_INTLINCL)
1544 AC_SUBST(GN_LIBINTL)
1545
1546 AC_SUBST(CPPFLAGS)
1547 AC_SUBST(LIBS)
1548 AC_SUBST(LDFLAGS)
1549 AC_SUBST(EXT_LIB_PATH)
1550 AC_SUBST(EXT_LIBS)
1551
1552 AC_SUBST(LIBPREFIX)
1553 AC_SUBST(DLLDIR)
1554 AC_SUBST(EXT_LIB_PATH)
1555
1556 DATAROOTDIR=$datarootdir
1557 AC_SUBST(DATAROOTDIR)
1558
1559 # test for sudo
1560 AC_MSG_CHECKING(for sudo)
1561 #AC_CHECK_PROGS(SUDO_BINARY, [sudo], false)
1562 #AM_CONDITIONAL(HAVE_SUDO, test x$SUDO_BINARY != xfalse)
1563 AC_ARG_WITH(sudo,
1564            [  --with-sudo=PATH       path to sudo binary (or just yes)],
1565            [AC_MSG_RESULT("$with_sudo")
1566             AS_CASE([$with_sudo],
1567                     [no],[SUDO_BINARY=],
1568                     [yes],[SUDO_BINARY=sudo],
1569                     [SUDO_BINARY=$with_sudo])],
1570            [AC_MSG_RESULT([no])])
1571 AC_SUBST(SUDO_BINARY)
1572 AM_CONDITIONAL([HAVE_SUDO],
1573               [test "x$SUDO_BINARY" != "x" -o -w /])
1574
1575 # test for doas
1576 AC_MSG_CHECKING(for doas)
1577 AC_CHECK_PROGS(DOAS_BINARY, [doas], false)
1578 AM_CONDITIONAL(HAVE_DOAS_BINARY, test x$DOAS_BINARY != xfalse)
1579
1580 # test for gnunetdns group name
1581 GNUNETDNS_GROUP=gnunetdns
1582 AC_MSG_CHECKING(for gnunetdns group name)
1583 AC_ARG_WITH(gnunetdns,
1584             [  --with-gnunetdns=GRPNAME       name for gnunetdns group],
1585             [AC_MSG_RESULT("$with_gnunetdns")
1586              AS_CASE([$with_gnunetdns],
1587                      [no],[GNUNETDNS_GROUP=gnunet],
1588                      [yes],[GNUNETDNS_GROUP=gnunetdns],
1589                      [GNUNETDNS_GROUP=$with_gnunetdns])],
1590             [AC_MSG_RESULT([gnunetdns])])
1591 AC_SUBST(GNUNETDNS_GROUP)
1592
1593
1594
1595 # gnutls
1596 gnutls=0
1597 gnutls_dane=0
1598 AC_MSG_CHECKING(for gnutls)
1599 AC_ARG_WITH(gnutls,
1600             [  --with-gnutls=PFX   base of gnutls installation],
1601             [AC_MSG_RESULT([$with_gnutls])
1602              AS_CASE([$with_gnutls],
1603                      [no],[],
1604                      [yes],
1605                      [AC_CHECK_HEADERS([gnutls/abstract.h],
1606                                        AC_CHECK_LIB([gnutls],
1607                                                     [gnutls_priority_set],
1608                                                     gnutls=true))
1609                       AC_CHECK_HEADERS([gnutls/dane.h],
1610                                        AC_CHECK_LIB([gnutls-dane],
1611                                                     [dane_verify_crt_raw],
1612                                                     gnutls_dane=1))],
1613
1614         [LDFLAGS="-L$with_gnutls/lib $LDFLAGS"
1615         CPPFLAGS="-I$with_gnutls/include $CPPFLAGS"
1616         AC_CHECK_HEADERS([gnutls/abstract.h],
1617             AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1618               EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH"
1619               gnutls=true))
1620         AC_CHECK_HEADERS([gnutls/dane.h],
1621             AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1622               gnutls_dane=1))
1623       ])
1624    ],
1625    [AC_MSG_RESULT([--with-gnutls not specified])
1626     AC_CHECK_HEADERS([gnutls/abstract.h],
1627         AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1628           gnutls=true))
1629     AC_CHECK_HEADERS([gnutls/dane.h],
1630         AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1631                      gnutls_dane=1))
1632    ])
1633 AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue)
1634 AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have GnuTLS])
1635 AM_CONDITIONAL(HAVE_GNUTLS_DANE, test x$gnutls_dane = x1)
1636 AC_DEFINE_UNQUOTED([HAVE_GNUTLS_DANE], $gnutls_dane, [We have GnuTLS with DANE support])
1637
1638
1639
1640 # Test if we are building for superMUC
1641 AC_MSG_CHECKING(if GNUnet is being configured to run on the SuperMUC)
1642 AC_ARG_ENABLE([supermuc],
1643     [AS_HELP_STRING([--enable-supermuc],
1644        [build GNUnet with support to run on the SuperMUC (default is NO)])],
1645     [AS_IF([test "x$enable_supermuc" = "xno"],
1646       [supermuc=0],
1647       [supermuc=1])],
1648     [supermuc=0
1649      enable_supermuc=no])
1650 AC_MSG_RESULT($enable_SUPERMUC)
1651 AM_CONDITIONAL([ENABLE_SUPERMUC], [test "x$supermuc" = "x1"])
1652 AC_DEFINE_UNQUOTED([ENABLE_SUPERMUC], [$supermuc], [Build with support for SuperMUC])
1653
1654 # Check if NSE has to send timestamp information to testbed logger for
1655 # generating histogram of messages received
1656 AC_MSG_CHECKING(if NSE has to send timestamp information to testbed logger)
1657 AC_ARG_ENABLE([nse-histogram],
1658     [AS_HELP_STRING([--enable-nse-histogram],
1659        [have NSE send timestamp information to testbed logger for generating
1660        histogram of received messages.  NOT useful for production (default is
1661        NO)])],
1662     [AS_IF([test "x$enableval" = "xno"],
1663       [nse_histogram=0],
1664       [nse_histogram=1])],
1665     [nse_histogram=0
1666      enable_nse_histogram=no])
1667 AC_MSG_RESULT($enable_nse_histogram)
1668 AM_CONDITIONAL([ENABLE_NSE_HISTOGRAM], [test "x$nse_histogram" = "x1"])
1669 AC_DEFINE_UNQUOTED([ENABLE_NSE_HISTOGRAM], [$nse_histogram],
1670                    [have NSE send timestamp information to testbed logger])
1671
1672 # should 'make check' run tests?
1673 AC_MSG_CHECKING(whether to run tests)
1674 AC_ARG_ENABLE([testruns],
1675    [AS_HELP_STRING([--disable-testruns], [disable running tests on make check (default is YES)])],
1676    [enable_tests_run=${enableval}],
1677    [enable_tests_run=yes])
1678 AC_MSG_RESULT($enable_test_run)
1679 AM_CONDITIONAL([ENABLE_TEST_RUN], [test "x$enable_tests_run" = "xyes"])
1680
1681
1682 AC_MSG_CHECKING([whether to compile in benchmarks (currently for http and crypto)])
1683 AC_ARG_ENABLE([benchmark],
1684    [AS_HELP_STRING([--enable-benchmark], [enable benchmarking])],
1685    [enable_benchmark=${enableval}],
1686    [enable_benchmark=no])
1687 AC_MSG_RESULT($enable_benchmark)
1688 AS_IF([test "x$enable_benchmark" = "xyes"],
1689       [AC_DEFINE_UNQUOTED(ENABLE_BENCHMARK,1,[Benchmarks are enabled])])
1690 AM_CONDITIONAL([ENABLE_BENCHMARK], [test "x$enable_benchmark" = "xyes"])
1691
1692
1693 # should expensive tests be run?
1694 AC_MSG_CHECKING(whether to run expensive tests)
1695 AC_ARG_ENABLE([expensivetests],
1696    [AS_HELP_STRING([--enable-expensivetests], [enable running expensive testcases])],
1697    [enable_expensive=${enableval}],
1698    [enable_expensive=no])
1699 AC_MSG_RESULT($enable_expensive)
1700 AM_CONDITIONAL([HAVE_EXPENSIVE_TESTS], [test "x$enable_expensive" = "xyes"])
1701
1702 # should ports be open for Java services?
1703 AC_MSG_CHECKING(whether to enable ports for gnunet-java)
1704 AC_ARG_ENABLE([javaports],
1705    [AS_HELP_STRING([--enable-javaports], [use non-zero ports for services with Java bindings (default is NO)])],
1706    [enable_java_ports=${enableval}],
1707    [enable_java_ports=no])
1708 AC_MSG_RESULT($enable_java_ports)
1709 AS_IF([test "x$enable_java_ports" = "xyes"],
1710  [JAVAPORT=""],
1711  [JAVAPORT="$UNIXONLY"])
1712 AC_SUBST(JAVAPORT)
1713
1714 # should benchmarks be run?
1715 AC_MSG_CHECKING(whether to run benchmarks during make check)
1716 AC_ARG_ENABLE([benchmarks],
1717    [AS_HELP_STRING([--enable-benchmarks], [enable running benchmarks during make check])],
1718    [enable_benchmarks=${enableval}],
1719    [enable_benchmarks=no])
1720 AC_MSG_RESULT($enable_benchmarks)
1721 AM_CONDITIONAL([HAVE_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
1722
1723 # should gnunet-testing be compiled
1724 AC_MSG_CHECKING(whether to compile gnunet-testing)
1725 AC_ARG_ENABLE([testing],
1726    [AS_HELP_STRING([--disable-testing], [do not build gnunet-testing])],
1727    [enable_testing=${enableval}],
1728    [enable_testing=yes])
1729 AC_MSG_RESULT($enable_testing)
1730 AM_CONDITIONAL([HAVE_TESTING], [test "x$enable_testing" = "xyes"])
1731
1732 # should experimental code be compiled (code that may not yet compile)?
1733 AC_MSG_CHECKING(whether to compile experimental code)
1734 AC_ARG_ENABLE([experimental],
1735    [AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
1736    [enable_experimental=${enableval}],
1737    [enable_experimental=no])
1738 AC_MSG_RESULT($enable_experimental)
1739 AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
1740
1741 # should malicious code be compiled (should only be used for testing)?
1742 AC_MSG_CHECKING(whether to compile malicious code)
1743 AC_ARG_ENABLE([malicious],
1744    [AS_HELP_STRING([--enable-malicious], [enable compiling malicious code])],
1745    [AS_IF([test "x$enableval" = "xno"],
1746      [malicious=0],
1747      [malicious=1])],
1748    [malicious=0
1749     enable_malicious=no])
1750 AC_MSG_RESULT($enable_malicious)
1751 AM_CONDITIONAL([ENABLE_MALICIOUS], [test 1=$malicious])
1752 AC_DEFINE_UNQUOTED([ENABLE_MALICIOUS], [$malicious],
1753                    [enable compilation of malicious code])
1754
1755 # should services be started on demand when needed?
1756 # Some services may choose to never start by default
1757 # and it is up to the service/module developer to decide
1758 # by having "START_ON_DEMAND = NO" instead of
1759 # "START_ON_DEMAND = @START_ON_DEMAND@"
1760 # in the service/module's conf.in file.
1761 # See also IMMEDIATE_START for an unconditional immediate start.
1762 START_ON_DEMAND="YES"
1763 AC_MSG_CHECKING(whether to start peer's services on demand by default)
1764 AC_ARG_ENABLE([autostart],
1765    [AS_HELP_STRING([--disable-autostart], [do not start peer's services by default])],
1766    [enable_autostart=${enableval}
1767     AS_IF([test "x$enable_autostart" = "xno"],
1768       [START_ON_DEMAND="NO"])
1769    ],
1770    [enable_autostart=yes])
1771 AC_MSG_RESULT($enable_autostart)
1772 #AM_CONDITIONAL([HAVE_START_ON_DEMAND], [test "x$enable_autostart" = "xyes"])
1773 AC_SUBST(START_ON_DEMAND)
1774
1775 # should memory statistics be kept (very expensive CPU-wise!)
1776 AC_MSG_CHECKING(whether to create expensive statistics on memory use)
1777 AC_ARG_ENABLE([heapstats],
1778    [AS_HELP_STRING([--enable-heapstats], [enable expensive heap statistics])],
1779    [enable_heapstats=1],
1780    [enable_heapstats=0])
1781 AC_MSG_RESULT($enable_heapstats)
1782 AC_DEFINE_UNQUOTED([ENABLE_HEAP_STATISTICS],$enable_heapstats,[enable expensive heap statistics])
1783
1784
1785 # Check if the __thread storage class for
1786 # thread-local storage is available.
1787 AC_MSG_CHECKING(whether __thread is supported)
1788 AC_LINK_IFELSE(
1789 [AC_LANG_PROGRAM([#include <stdlib.h>
1790                    #undef __thread
1791                    static __thread int a = 1;],
1792                   [exit(a-1);])],
1793  [have_thread_local_gcc=1],[have_thread_local_gcc=0])
1794 AC_DEFINE_UNQUOTED([HAVE_THREAD_LOCAL_GCC],$have_thread_local_gcc,[Define this if __thread is supported])
1795 AS_IF([test "x$have_thread_local_gcc" = "x1"],
1796       [AC_MSG_RESULT(yes)],
1797       [AC_MSG_RESULT(no)])
1798
1799 # gcov compilation
1800 AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
1801 AC_ARG_ENABLE([coverage],
1802               AS_HELP_STRING([--enable-coverage],
1803                              [compile the library with code coverage support]),
1804               [use_gcov=${enableval}],
1805               [use_gcov=no])
1806 AC_MSG_RESULT($use_gcov)
1807 AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
1808
1809
1810 # version info
1811 # TODO: git blame says this predates our switch to git.
1812 # git-svn should be adjusted to simply git, or
1813 # an external script that does the job.
1814 AC_PATH_PROG(svnversioncommand, svnversion)
1815 AC_PATH_PROG(gitcommand, git)
1816 AC_MSG_CHECKING(for source being under a VCS)
1817
1818
1819 # version info
1820 AC_PATH_PROG(gitcommand, git)
1821 AC_MSG_CHECKING(for source being under a VCS)
1822 git_version=
1823 AS_IF([test ! "X$gitcommand" = "X"],
1824 [
1825   git_version=$(cd $srcdir ; git rev-list --full-history --all --abbrev-commit | head -n 1 2>/dev/null)
1826 ])
1827 AS_IF([test "X$git_version" = "X"],
1828   [
1829     vcs_name="no"
1830     vcs_version="\"release\""
1831   ],
1832   [
1833     vcs_name="yes, git-svn"
1834     vcs_version="\"git-$git_version\""
1835   ])
1836 AC_MSG_RESULT($vcs_name)
1837
1838 AC_MSG_CHECKING(VCS version)
1839 AC_MSG_RESULT($vcs_version)
1840 AC_DEFINE_UNQUOTED(VCS_VERSION, [$vcs_version], [VCS revision/hash or tarball version])
1841
1842 AC_CONFIG_FILES([
1843 Makefile
1844 bin/Makefile
1845 contrib/Makefile
1846 contrib/hellos/Makefile
1847 contrib/services/Makefile
1848 contrib/services/openrc/Makefile
1849 contrib/services/systemd/Makefile
1850 contrib/scripts/Makefile
1851 contrib/scripts/gnunet-logread/Makefile
1852 doc/Makefile
1853 doc/man/Makefile
1854 doc/doxygen/Makefile
1855 doc/handbook/Makefile
1856 doc/tutorial/Makefile
1857 m4/Makefile
1858 po/Makefile.in
1859 src/Makefile
1860 src/arm/Makefile
1861 src/arm/arm.conf
1862 src/ats/Makefile
1863 src/ats/ats.conf
1864 src/ats-tool/Makefile
1865 src/ats-tests/Makefile
1866 src/auction/Makefile
1867 src/block/Makefile
1868 src/cadet/Makefile
1869 src/cadet/cadet.conf
1870 src/core/Makefile
1871 src/core/core.conf
1872 src/consensus/Makefile
1873 src/consensus/consensus.conf
1874 src/conversation/Makefile
1875 src/conversation/conversation.conf
1876 src/curl/Makefile
1877 src/datacache/Makefile
1878 src/datastore/Makefile
1879 src/datastore/datastore.conf
1880 src/dht/Makefile
1881 src/dht/dht.conf
1882 src/dns/Makefile
1883 src/dns/dns.conf
1884 src/exit/Makefile
1885 src/fragmentation/Makefile
1886 src/fs/Makefile
1887 src/fs/fs.conf
1888 src/gns/Makefile
1889 src/gns/gns.conf
1890 src/gns/nss/Makefile
1891 src/gnsrecord/Makefile
1892 src/hello/Makefile
1893 src/identity/Makefile
1894 src/identity/identity.conf
1895 src/abd/Makefile
1896 src/abd/abd.conf
1897 src/include/Makefile
1898 src/integration-tests/Makefile
1899 src/json/Makefile
1900 src/hostlist/Makefile
1901 src/my/Makefile
1902 src/mysql/Makefile
1903 src/namecache/Makefile
1904 src/namecache/namecache.conf
1905 src/namestore/Makefile
1906 src/namestore/namestore.conf
1907 src/nat/Makefile
1908 src/nat/nat.conf
1909 src/nat-auto/Makefile
1910 src/nat-auto/nat-auto.conf
1911 src/nse/Makefile
1912 src/nse/nse.conf
1913 src/nt/Makefile
1914 src/peerinfo/Makefile
1915 src/peerinfo/peerinfo.conf
1916 src/peerinfo-tool/Makefile
1917 src/peerstore/Makefile
1918 src/peerstore/peerstore.conf
1919 src/pq/Makefile
1920 src/pt/Makefile
1921 src/regex/Makefile
1922 src/regex/regex.conf
1923 src/revocation/Makefile
1924 src/revocation/revocation.conf
1925 src/rps/Makefile
1926 src/rps/rps.conf
1927 src/secretsharing/Makefile
1928 src/secretsharing/secretsharing.conf
1929 src/scalarproduct/Makefile
1930 src/scalarproduct/scalarproduct.conf
1931 src/set/Makefile
1932 src/set/set.conf
1933 src/sq/Makefile
1934 src/statistics/Makefile
1935 src/statistics/statistics.conf
1936 src/template/Makefile
1937 src/testbed/Makefile
1938 src/testbed/testbed.conf
1939 src/testbed-logger/Makefile
1940 src/testbed-logger/testbed-logger.conf
1941 src/testing/Makefile
1942 src/topology/Makefile
1943 src/transport/Makefile
1944 src/transport/transport.conf
1945 src/util/Makefile
1946 src/util/resolver.conf
1947 src/vpn/Makefile
1948 src/vpn/vpn.conf
1949 src/zonemaster/Makefile
1950 src/zonemaster/zonemaster.conf
1951 src/rest/Makefile
1952 src/abe/Makefile
1953 src/reclaim/Makefile
1954 pkgconfig/Makefile
1955 pkgconfig/gnunetarm.pc
1956 pkgconfig/gnunetats.pc
1957 pkgconfig/gnunetblock.pc
1958 pkgconfig/gnunetcadet.pc
1959 pkgconfig/gnunetconsensus.pc
1960 pkgconfig/gnunetconversation.pc
1961 pkgconfig/gnunetcore.pc
1962 pkgconfig/gnunetdatacache.pc
1963 pkgconfig/gnunetdatastore.pc
1964 pkgconfig/gnunetdht.pc
1965 pkgconfig/gnunetdns.pc
1966 pkgconfig/gnunetenv.pc
1967 pkgconfig/gnunetfragmentation.pc
1968 pkgconfig/gnunetfs.pc
1969 pkgconfig/gnunetgns.pc
1970 pkgconfig/gnunethello.pc
1971 pkgconfig/gnunetidentity.pc
1972 pkgconfig/gnunetmicrophone.pc
1973 pkgconfig/gnunetmysql.pc
1974 pkgconfig/gnunetnamestore.pc
1975 pkgconfig/gnunetnat.pc
1976 pkgconfig/gnunetnse.pc
1977 pkgconfig/gnunetpeerinfo.pc
1978 pkgconfig/gnunetpq.pc
1979 pkgconfig/gnunetregex.pc
1980 pkgconfig/gnunetrevocation.pc
1981 pkgconfig/gnunetrps.pc
1982 pkgconfig/gnunetscalarproduct.pc
1983 pkgconfig/gnunetset.pc
1984 pkgconfig/gnunetspeaker.pc
1985 pkgconfig/gnunetstatistics.pc
1986 pkgconfig/gnunettestbed.pc
1987 pkgconfig/gnunettesting.pc
1988 pkgconfig/gnunettransport.pc
1989 pkgconfig/gnunetutil.pc
1990 pkgconfig/gnunetvpn.pc
1991 ])
1992 AC_OUTPUT
1993
1994
1995 # FIXME: `some modules' -> be more specific which exact modules.
1996
1997 # java ports
1998 AS_IF([test "x$enable_java_ports" = "xyes"],
1999       [AC_MSG_NOTICE([Opening TCP ports by default to enable gnunet-java bindings.])])
2000
2001 ####
2002 #### This could be moved to the checks above,
2003 #### but for now let's keep it here.
2004 ####
2005 transport_msg="tcp udp unix"
2006 AS_IF([test "x$build_target" = "xlinux" -a "x$enable_experimental" = "xyes"],
2007       [transport_msg="$transport_msg wlan"])
2008 # -- print message regarding enabled experimental features
2009 experimental_msg="no"
2010 AS_IF([test "x$enable_experimental" = "xyes"],
2011       [experimental_msg="yes"])
2012 # -- OSX Framework
2013 AS_IF([test "$enable_framework_build" = "yes"],
2014       [macosx_framework_msg="yes"],
2015       [macosx_framework_msg="no"])
2016 # -- libidn 2
2017 AS_IF([test "x$working_libidn2" = x1],
2018       [libidn2_msg="libidn2"])
2019 # -- libidn 1
2020 AS_IF([test "x$working_libidn1" = x1],
2021       [libidn1_msg="libidn1"])
2022 # -- texi2mdoc-generation
2023 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
2024       [mdocml_msg="yes"],
2025       [mdocml_msg="no"])
2026 # -- texi2mdoc
2027 AS_IF([test "x$TEXI2MDOC_BINARY" = "false"],
2028       [AC_MSG_NOTICE([texi2mdoc binary not found (will not generate mdoc documentation)])
2029        texi2mdoc_msg="no (optional)"],
2030       [texi2mdoc_msg="yes"])
2031 # -- mandoc
2032 AS_IF([test "x$MANDOC_BINARY" = "false"],
2033       [AC_MSG_NOTICE([mandoc binary not found (will not generate handbook as man page)])
2034        mandoc_msg="no"],
2035       [mandoc_msg="yes"])
2036 # -- texinfo
2037 AS_IF([test "x$makeinfo" != "x1"],
2038       [texinfo_msg="no"],
2039       [texinfo_msg="yes"])
2040 # -- conversation
2041 conversation_msg="no"
2042 AS_IF([test "x$conversation_backend" = "xnone"],
2043       [AS_IF([test "x$pulse" != "x1"],
2044              [libpulse_msg="no (required for conversation)"],
2045              [libpulse_msg="yes"])
2046        AS_IF([test "x$opus" != "x1"],
2047              [libopus_msg="no (required for conversation)"],
2048              [libopus_msg="yes"])
2049        AS_IF([test "x$gst" != "x1"],
2050              [gstreamer_msg="no (required for conversation)"],
2051              [gstreamer_msg="yes"])],
2052       [AS_IF([test "x$opus" = x1],
2053              [conversation_msg="yes (x$conversation_backend)"],
2054              [AC_MSG_WARN([libopus not found (required to build conversation)])])])
2055 # -- rest
2056 rest_msg="no"
2057 AS_IF([test "x$lmhd" = "x1"],
2058       [AS_IF([test "x$jansson" = "x1"],
2059              [rest_msg="yes"],
2060              [rest_msg="no (libjansson missing)"])],
2061       [rest_msg="no (libmicrohttpd missing)"])
2062 # -- reclaim
2063 AS_IF([test "x$lmhd" = "x1"],
2064       [AS_IF([test "x$jansson" = "x1"],
2065              [reclaim_msg="yes (with OpenID Connect)"],
2066              [reclaim_msg="yes (without OpenID Connect, missing libjansson)"],
2067       [reclaim_msg="yes (without OpenID Connect, missing libmicrohttpd)"])])
2068
2069
2070 # -- interface
2071 interface_msg=`echo $DEFAULT_INTERFACE | tr -d \"`
2072 # -- libmicrohttpd
2073 AS_IF([test "x$lmhd" = "x0"],
2074       [libmicrohttpd_msg="no (REST service and HTTP transport will not be built)"],
2075       [libmicrohttpd_msg="yes"
2076        transport_msg="$transport_msg http_server"])
2077 # -- jansson
2078 AS_IF([test "x$jansson" = "x0"],
2079       [jansson_msg="no (REST service will not be built)"],
2080       [jansson_msg="yes"])
2081 # -- libextractor
2082 AS_IF([test "$extractor" != 1],
2083       [AC_MSG_WARN([libextractor not found, but various file-sharing functions require it])],
2084       [libextractor_msg="yes"])
2085 # -- libzbar
2086 AS_IF([test "x$zbar" = "x1"],
2087       [libzbar_msg="yes"],
2088       [libzbar_msg="no (gnunet-qr will not be built)"])
2089 # -- libgnurl
2090 AS_IF([test "$gnurl" = "0"],
2091       [AS_IF([test "x$curl" = "xfalse"],
2092              [AC_MSG_WARN([libgnurl not found. http client support will not be compiled.])
2093               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])
2094               curl_msg="no"],
2095              [AC_MSG_NOTICE([libgnurl not found, trying to use libcurl-gnutls instead.])
2096               curl_msg="yes"])],
2097        [gnurl_msg="yes"
2098         transport_msg="$transport_msg http_client"])
2099 # -- ifconfig
2100 AS_IF([test "$VAR_IFCONFIG_BINARY" = "false"],
2101       [ifconfig_msg="no (optional, some features will not work)"],
2102       [ifconfig_msg="yes"])
2103 # -- upnpc
2104 AS_IF([test "$VAR_UPNPC_BINARY" = "false"],
2105       [upnpc_msg="no (optional, NAT traversal using UPnPc will not work)"],
2106       [upnpc_msg="yes"])
2107 # -- iptables
2108 AS_IF([test "$VAR_IPTABLES_BINARY" = "false"],
2109       [iptables_msg="no (optional, DNS query interception will not work)"],
2110       [iptables_msg="yes"])
2111 # -- bluetooth
2112 AS_IF([test "x$bluetooth" = "x0"],
2113       [bluetooth_msg="no (optional)"],
2114       [bluetooth_msg="yes"
2115        transport_msg="$transport_msg bluetooth"])
2116 # -- gnutls
2117 AS_IF([test x$gnutls != xtrue],
2118       [AC_MSG_WARN([GnuTLS not found, gnunet-gns-proxy will not be built])
2119        gnutls_msg="no (gnunet-gns-proxy will not be built)"],
2120       [AS_IF([test "x$gnutls_dane" != "x1"],
2121              [AC_MSG_WARN([GnuTLS lacks DANE support, DANE validation will not be possible])
2122               gnutls_msg="yes (without DANE support)"],
2123              [gnutls_msg="yes (with DANE support)"])])
2124 # -- databases
2125 # TODO: this always returns true, the check might
2126 # TODO: not be working as intended (for msqlfail).
2127 AS_IF([test "$mysql" = true],
2128       [features_msg="$features_msg mysql"
2129        mysql_msg="yes"],
2130       [mysql_msg="no"])
2131 AS_IF([test x$mysqlfail = xtrue],
2132       [AC_MSG_WARN([MySQL not found (or too old), will not create MySQL database support])
2133        mysql_msg="unsupported version"])
2134 AS_IF([test "$sqlite" = true],
2135       [features_msg="$features_msg sqlite"
2136        sqlite_msg="yes"],
2137       [AC_MSG_ERROR([sqlite3 not found, but sqlite3 is required.])
2138        sqlite_msg="no"])
2139 AS_IF([test "$postgres" = true],
2140       [features_msg="$features_msg postgres"
2141        postgres_msg="yes"],
2142       [postgres_msg="no"])
2143 # -- features
2144 # ---- 1. replace spaces with newlines,
2145 # ---- 2. sort the lines,
2146 # ---- 3. replace the newlines with spaces.
2147 features_msg=`echo $features_msg | tr ' ' '\012' | sort | tr '\012' ' '`
2148 AC_SUBST(features_msg)
2149
2150
2151 # The summary
2152 # TODO: reduce the length of the last message block, following "IMPORTANT".
2153
2154 AC_MSG_NOTICE([
2155 Detected system
2156 ===============
2157
2158 GNUnet version:                 ${VERSION}
2159
2160 Host setup:                     ${host}
2161 Install prefix:                 ${prefix}
2162 Compiler:                       ${CC}
2163 CFLAGS:                         ${CFLAGS}
2164 CPPFLAGS:                       ${CPPFLAGS}
2165 LDFLAGS:                        ${LDFLAGS}
2166 LIBS:                           ${LIBS}
2167 Build Target:                   $build_target
2168 Mac OSX framework build:        ${macosx_framework_msg}
2169
2170 Default Interface:              ${interface_msg}
2171
2172 MySQL:                          ${mysql_msg}
2173 PostgreSQL:                     ${postgres_msg}
2174 sqlite3:                        ${sqlite_msg}
2175 gnurl:                          ${gnurl_msg}
2176 curl:                           ${curl_msg}
2177 bluetooth:                      ${bluetooth_msg}
2178 jansson:                        ${jansson_msg}
2179 iptables:                       ${iptables_msg}
2180 ifconfig:                       ${ifconfig_msg}
2181 upnpc:                          ${upnpc_msg}
2182 gnutls:                         ${gnutls_msg}
2183 libzbar:                        ${libzbar_msg}
2184 java:                           ${java_msg}
2185 libmicrohttpd:                  ${libmicrohttpd_msg}
2186 libidn:                         ${libidn1_msg}${libidn2_msg}
2187 libopus:                        ${libopus_msg}
2188 gstreamer:                      ${gstreamer_msg}
2189 libpulse:                       ${libpulse_msg}
2190 libextractor:                   ${libextractor_msg}
2191 texi2mdoc:                      ${texi2mdoc_msg}
2192 mandoc:                         ${mandoc_msg}
2193
2194 GNUnet configuration:
2195 =====================
2196 transports:                     ${transport_msg}
2197 reclaimID:                      ${reclaim_msg}
2198 conversation:                   ${conversation_msg}
2199 rest:                           ${rest_msg}
2200 database backends:              ${features_msg}
2201 experimental:                   ${experimental_msg}
2202
2203 texinfo manual:                 ${texinfo_msg}
2204 transpiled mdocml manual:       ${mdocml_msg}
2205 ])
2206
2207 AS_IF([test x$MSG_USER_SETUP != xfalse],
2208  [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'.])
2209   AS_IF([test x$HAVE_GNUNET_USER != 0],
2210     [AC_MSG_NOTICE([To do this on this system, run:
2211 # addgroup gnunetdns
2212 # adduser --system --disabled-login --home /var/lib/gnunet gnunet
2213 ])])
2214   AC_MSG_WARN([Each user of GNUnet should be added to the 'gnunet' group.])
2215   AS_IF([test x$HAVE_GNUNET_USER != 0],
2216     [AC_MSG_NOTICE([To do this on this system, run:
2217 # adduser USERNAME gnunet
2218    for each of your users, replacing \"USERNAME\" with the respective login name. Users may have to login again for the changes to take effect.
2219 ])])])
2220
2221 AC_MSG_NOTICE([For detailed setup instructions, type 'info gnunet' after the installation or visit https://docs.gnunet.org/])