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