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 $EXT_LIB_PATH"
 784             jansson=1))
 785       ])
 786    ],
 787    [AC_MSG_RESULT([--with-jansson not specified])
 788     CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)])
 789
 790 AS_IF([test "x$jansson" != x1],
 791       [AC_MSG_ERROR([GNUnet requires libjansson])])
 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 for proxy, warn later if not found.
 985  AC_CHECK_LIB([curl-gnutls],[curl_easy_getinfo],[curl_gnutls=true],[curl_gnutls=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_ERROR([GNUnet requires libcurl 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                 [$NSS_INCLUDES])
1028 ])
1029
1030
1031
1032 # test for kvm and kstat (for CPU stats under BSD/Solaris)
1033 AC_CHECK_LIB([kvm],[kvm_open])
1034 AC_CHECK_LIB([kstat],[kstat_open])
1035
1036 libsodium=0
1037 # test for libsodium
1038 AC_CHECK_HEADER([sodium.h],
1039                 [AC_CHECK_LIB([sodium], [crypto_pwhash_argon2id],
1040                               [libsodium=1])])
1041
1042 AS_IF([test x$libsodium = x0],
1043       [AC_MSG_ERROR([GNUnet requires libsodium.])])
1044
1045 # test for libextractor
1046 extractor=0
1047 AC_MSG_CHECKING(for libextractor)
1048 AC_ARG_WITH(extractor,
1049    [  --with-extractor=PREFIX (base of libextractor installation)],
1050    [AC_MSG_RESULT([$with_extractor])
1051     AS_CASE([$with_extractor],
1052       [no],[],
1053       [yes],[
1054         AC_CHECK_HEADERS([extractor.h],
1055           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1056             extractor=1))
1057       ],[
1058         LDFLAGS="-L$with_extractor/lib $LDFLAGS"
1059         CPPFLAGS="-I$with_extractor/include $CPPFLAGS"
1060         AC_CHECK_HEADERS([extractor.h],
1061           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1062             EXT_LIB_PATH="-L$with_extractor/lib $EXT_LIB_PATH"
1063             extractor=1))
1064       ])
1065    ],
1066    [AC_MSG_RESULT([--with-extractor not specified])
1067     AC_CHECK_HEADERS([extractor.h],
1068      AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
1069       extractor=1))])
1070 # restore LIBS
1071 LIBS=$SAVE_LIBS
1072
1073 AS_IF([test "$extractor" != 1],
1074  [
1075  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, false)
1076  AC_DEFINE([HAVE_LIBEXTRACTOR],[0],[Lacking libextractor])
1077  ],[
1078  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, true)
1079  AC_DEFINE([HAVE_LIBEXTRACTOR],[1],[Have libextractor])
1080  ])
1081
1082
1083 # Check for libltdl header (#2999)
1084 ltdl=0
1085 AC_MSG_CHECKING(for libltdl)
1086 AC_ARG_WITH(ltdl,
1087    [AS_HELP_STRING([--with-ltdl=PREFIX],[base of libltdl installation])],
1088    [AC_MSG_RESULT([$with_ltdl])
1089     AS_CASE([$with_ltdl],
1090       [no],[],
1091       [yes],[
1092         AC_CHECK_HEADERS(ltdl.h,
1093           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1094             ltdl=1))
1095       ],[
1096         LDFLAGS="-L$with_ltdl/lib $LDFLAGS"
1097         CPPFLAGS="-I$with_ltdl/include $CPPFLAGS"
1098         AC_CHECK_HEADERS(ltdl.h,
1099           AC_CHECK_LIB([ltdl], [lt_dlopenext],
1100             EXT_LIB_PATH="-L$with_ltdl/lib $EXT_LIB_PATH"
1101             ltdl=1))
1102       ])
1103    ],
1104    [AC_MSG_RESULT([--with-ltdl not specified])
1105     AC_CHECK_HEADERS(ltdl.h,
1106      AC_CHECK_LIB([ltdl], [lt_dlopenext],
1107       ltdl=1))])
1108 AS_IF([test x$ltdl = x1],
1109 [
1110  AC_MSG_RESULT([libltdl found])
1111 ],[
1112  AC_MSG_ERROR([GNUnet requires libltdl (from GNU libtool).])
1113 ])
1114 # restore LIBS
1115 LIBS=$SAVE_LIBS
1116
1117 # libidn and libidn2. The ideal goal is this:
1118 # check for libidn2, if it doesn't exist check for libidn
1119 # if both exist, prefer libidn2
1120 # if none exist, fail and message that libidn or libidn2
1121 # is required with a preference for libidn2.
1122 # TODO: What we have right here can probably be improved.
1123 AC_MSG_CHECKING(for idn or idn2)
1124
1125 AC_MSG_CHECKING(for idn)
1126 my_with_libidn=1
1127 AC_ARG_WITH(libidn,
1128             AS_HELP_STRING([--with-libidn=pathname],
1129                            [Support IDN (needs libidn)]),
1130             [],
1131             [withval="yes"])
1132 AS_IF([test x_$withval = x_yes],
1133       [AC_CHECK_HEADERS([idna.h],
1134                         AC_MSG_NOTICE([Found idna.h]),
1135                         AC_CHECK_HEADERS([idn/idna.h],
1136                                          AC_MSG_NOTICE([Found idn/idna.h]),
1137                                          my_with_libidn=0))],
1138       [AS_IF([test x_$withval != x_no],
1139              [CFLAGS="$CFLAGS -I$withval/include"
1140               LDFLAGS="$LDFLAGS -L$withval/lib"
1141               AC_CHECK_HEADERS([idna.h],
1142                                AC_MSG_NOTICE([Found idna.h]),
1143                                    [AC_MSG_NOTICE([Failed to find idna.h])
1144                                my_with_libidn=0])],
1145              [my_with_libidn=0])])
1146
1147 AC_MSG_CHECKING(for idn2)
1148 my_with_libidn2=1
1149 AC_ARG_WITH(libidn2,
1150             AS_HELP_STRING([--with-libidn2=pathname],
1151                            [Support IDN (needs libidn2)]),
1152             [],
1153             [withval="yes"])
1154 AS_IF([test x_$withval = x_yes],
1155       [AC_CHECK_HEADERS([idn2.h],
1156                         AC_MSG_NOTICE([Found idn2.h]),
1157                         AC_CHECK_HEADERS([idn2/idn2.h],
1158                                          AC_MSG_NOTICE([Found idn2/idn2.h]),
1159                                          [AC_MSG_NOTICE([Failed to find idn2.h])
1160                                          my_with_libidn2=0]))],
1161       [AS_IF([test x_$withval != x_no],
1162              [CFLAGS="$CFLAGS -I$withval/include"
1163               LDFLAGS="$LDFLAGS -L$withval/lib"],
1164                   [my_with_libidn2=0])])
1165
1166 AC_MSG_CHECKING([if libidn can be used])
1167 # Check for LIBIDNs
1168 there_can_only_be_one=1
1169
1170 working_libidn1=0
1171 working_libidn2=0
1172 AS_IF([test x$my_with_libidn2 = x1],
1173       [AC_MSG_NOTICE([Checking for libidn2])
1174        AC_CHECK_LIB([idn2],
1175                     [idn2_to_unicode_8z8z],
1176                     [working_libidn2=1
1177                     LIBS="-lidn2 $LIBS"
1178                     AC_DEFINE_UNQUOTED([HAVE_LIBIDN2],
1179                                        [1],
1180                                        [Define to 1 if you have 'libidn2' (-lidn2).])],
1181                     [MISSING_DEPS="${MISSING_DEPS}${MISSING_SEP}libidn2"
1182                      MISSING_SEP=", "])])
1183 AM_CONDITIONAL(HAVE_LIBIDN2, test x$working_libidn2 = x1)
1184 AS_IF([test x$working_libidn2 = x0],
1185       [AS_IF([test x$my_with_libidn = x1],
1186              [AC_MSG_NOTICE([Checking for libidn])
1187               AC_CHECK_LIB([idn],
1188                            [idna_to_ascii_8z],
1189                            [working_libidn1=1
1190                            LIBS="-lidn $LIBS"
1191                            AC_DEFINE_UNQUOTED([HAVE_LIBIDN],
1192                                               [1],
1193                                               [Define to 1 if you have 'libidn' (-lidn).])],
1194                            [there_can_only_be_one=0])],
1195              [AS_IF([test x$my_with_libidn2 = x1],
1196                     [there_can_only_be_one=0
1197                      AC_MSG_FAILURE([* There can only be one libidn.
1198                                      * Provide either libidn >= 1.13
1199                                      * or
1200                                      * libidn2 to the configure
1201                                      * script via
1202                                      * --with-libidn2
1203                                      * --with-libidn])])])])
1204 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
1205
1206 AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
1207       [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
1208
1209 AS_IF([test x$there_can_only_be_one = x0],
1210       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])
1211
1212 # test for zlib
1213 SAVE_LDFLAGS=$LDFLAGS
1214 SAVE_CPPFLAGS=$CPPFLAGS
1215 AC_ARG_WITH(zlib,
1216             [  --with-zlib[[=DIR]]       use libz in DIR],
1217             [AS_IF([test "$withval" = "no"],
1218                    [AC_MSG_ERROR([GNUnet requires zlib])],
1219                    [test "$withval" != "yes"],
1220                    [Z_DIR=$withval
1221                     CPPFLAGS="${CPPFLAGS} -I$withval/include"
1222                     LDFLAGS="${LDFLAGS} -L$withval/lib"])])
1223 AC_CHECK_HEADER(zlib.h,
1224                 [],
1225                 [AC_MSG_ERROR([GNUnet requires zlib])])
1226 AC_CHECK_LIB(z,
1227              compress2,
1228              [AC_DEFINE([HAVE_ZLIB],
1229                         [],
1230                         [Have compression library])
1231               if test "x${Z_DIR}" != "x"; then
1232                       Z_CFLAGS="-I${Z_DIR}/include"
1233                       Z_LIBS="-L${Z_DIR}/lib -lz"
1234               else
1235                       Z_LIBS="-lz"
1236               fi],
1237               [AC_MSG_ERROR([GNUnet requires zlib])])
1238 AC_SUBST(Z_CFLAGS)
1239 AC_SUBST(Z_LIBS)
1240
1241 AS_IF([test "$enable_shared" = "no"],
1242       [AC_MSG_ERROR([GNUnet only works with shared libraries. Sorry.])])
1243
1244
1245 # restore LIBS
1246 LIBS=$SAVE_LIBS
1247
1248
1249 # check for iconv
1250 AM_ICONV
1251
1252 # test for libunistring
1253 gl_LIBUNISTRING
1254 AS_IF([test $HAVE_LIBUNISTRING != yes],
1255       [AC_MSG_ERROR([GNUnet requires libunistring])])
1256
1257 AS_IF([test "x$gl_libunistring_hexversion" = "x" || test "$gl_libunistring_hexversion" -le 2305],
1258       [AC_MSG_ERROR([GNUnet requires libunistring >= 0.9.1.1])])
1259 AC_CHECK_HEADERS([unistr.h],
1260                  ,
1261                  AC_MSG_ERROR([Compiling GNUnet requires unistr.h (from libunistring) to be installed]))
1262
1263 # restore LIBS
1264 LIBS=$SAVE_LIBS
1265
1266
1267
1268 # Checks for standard header files.
1269 AC_HEADER_DIRENT
1270 AC_HEADER_STDC
1271
1272 # Check for headers that are ALWAYS required
1273 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]))
1274
1275
1276
1277 # Checks for headers that are only required on some systems or
1278 # opional (and where we do NOT abort if they are not there)
1279 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])
1280
1281 # FreeBSD requires this for netinet/in_systm.h and netinet/ip.h
1282 AC_CHECK_HEADERS([sys/types.h netinet/in_systm.h netinet/in.h netinet/ip.h],,,
1283 [#ifdef HAVE_SYS_TYPES_H
1284 #include <sys/types.h>
1285 #endif
1286 #ifdef HAVE_NETINET_IN_SYSTM_H
1287 #include <netinet/in_systm.h>
1288 #endif
1289 #ifdef HAVE_NETINET_IN_H
1290 #include <netinet/in.h>
1291 #endif
1292 ])
1293
1294 SAVE_LDFLAGS=$LDFLAGS
1295 SAVE_CPPFLAGS=$CPPFLAGS
1296
1297 # test for sqlite
1298 sqlite=false
1299 AC_MSG_CHECKING(for SQLite)
1300 AC_ARG_WITH(sqlite,
1301   [  --with-sqlite=PFX       base of SQLite installation],
1302   [AC_MSG_RESULT("$with_sqlite")
1303    AS_CASE([$with_sqlite],
1304      [no],[],
1305      [yes],[
1306       AC_CHECK_HEADERS(sqlite3.h,
1307       sqlite=true)],
1308      [
1309     LDFLAGS="-L$with_sqlite/lib $LDFLAGS"
1310     CPPFLAGS="-I$with_sqlite/include $CPPFLAGS"
1311     AC_CHECK_HEADERS(sqlite3.h,
1312      EXT_LIB_PATH="-L$with_sqlite/lib $EXT_LIB_PATH"
1313      SQLITE_LDFLAGS="-L$with_sqlite/lib"
1314      SQLITE_CPPFLAGS="-I$with_sqlite/include"
1315      sqlite=true)
1316     LDFLAGS=$SAVE_LDFLAGS
1317     CPPFLAGS=$SAVE_CPPFLAGS
1318     ])
1319   ],
1320   [AC_MSG_RESULT([--with-sqlite not specified])
1321     AC_CHECK_HEADERS(sqlite3.h, sqlite=true)])
1322 AM_CONDITIONAL(HAVE_SQLITE, test x$sqlite = xtrue)
1323 AC_SUBST(SQLITE_CPPFLAGS)
1324 AC_SUBST(SQLITE_LDFLAGS)
1325
1326 LDFLAGS=$SAVE_LDFLAGS
1327 CPPFLAGS=$SAVE_CPPFLAGS
1328
1329 # test for postgres:
1330 postgres=false
1331 AX_LIB_POSTGRESQL([9.5],
1332   [CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
1333    AC_CHECK_HEADERS([libpq-fe.h],
1334    postgres=true)
1335   ],
1336   [AC_MSG_RESULT([no postgres])])
1337
1338 AM_CONDITIONAL(HAVE_POSTGRESQL, test x$postgres = xtrue)
1339 AS_IF([test "x$postgres" = xtrue],
1340       [AC_DEFINE([HAVE_POSTGRESQL],[1],[Have PostgreSQL])],
1341       [AC_DEFINE([HAVE_POSTGRESQL],[0],[Lacking PostgreSQL])])
1342
1343 LDFLAGS=$SAVE_LDFLAGS
1344 CPPFLAGS=$SAVE_CPPFLAGS
1345
1346 # mysql & windows
1347 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
1348 AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
1349
1350 # test for mysql
1351 mysql=false
1352 mysqlfail=false
1353 SAVE_LDFLAGS=$LDFLAGS
1354 SAVE_CPPFLAGS=$CPPFLAGS
1355 AC_MSG_CHECKING(for mysql)
1356 AC_ARG_WITH(mysql,
1357   [  --with-mysql=PFX        base of MySQL installation],
1358   [AC_MSG_RESULT([$with_mysql])
1359    AS_CASE([$with_mysql],
1360      [no],[],
1361      [yes|""],[
1362       AC_CHECK_HEADERS(mysql/mysql.h,
1363        AC_CHECK_LIB(mysqlclient, mysql_init,
1364        mysql=true), [], [])
1365      ],[
1366       LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql $LDFLAGS $ZLIBS"
1367       CPPFLAGS="-I$with_mysql/include $CPPFLAGS"
1368       AC_CHECK_HEADERS(mysql/mysql.h,
1369        AC_CHECK_LIB(mysqlclient, mysql_init,
1370         MYSQL_LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql"
1371         MYSQL_CPPFLAGS="-I$with_mysql/include"
1372
1373         mysql=true), [], [])
1374      ])
1375   ],
1376   [AC_MSG_RESULT([--with-mysql not specified])
1377    if test -d "/usr/lib64/mysql"; then
1378     MYSQL_LIBDIR="/usr/lib64/mysql"
1379    elif test -d "/usr/lib/mysql"; then
1380     MYSQL_LIBDIR="/usr/lib/mysql"
1381    else
1382     MYSQL_LIBDIR="/usr/lib"
1383    fi
1384    LDFLAGS="-L$MYSQL_LIBDIR $LDFLAGS $ZLIBS"
1385    AC_CHECK_LIB(mysqlclient, mysql_init,
1386     [AC_CHECK_HEADERS(mysql/mysql.h,
1387       MYSQL_LDFLAGS="-L$MYSQL_LIBDIR"
1388       mysql=true
1389
1390      , [], [])])
1391   ])
1392
1393 AC_SUBST(MYSQL_LDFLAGS)
1394 AC_SUBST(MYSQL_CPPFLAGS)
1395
1396 # additional version check for mysql
1397 AC_ARG_ENABLE(mysql-version-check, [  --disable-mysql-version-check  do not check MySQL version],, enable_mysql_version_check=yes)
1398 AS_IF([test "$mysql" = "true" -a "x$enable_mysql_version_check" = "xyes"],
1399  [
1400   AC_MSG_CHECKING(mysql version)
1401   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1402     [[
1403       #include <mysql/mysql.h>]],
1404     [[
1405       #if (MYSQL_VERSION_ID < 40100)
1406       #error needs at least version >= 4.1
1407       #endif
1408       int main () { return 0; }
1409     ]])
1410     ],
1411     [mysql=true],
1412     [mysql=false])
1413   AS_IF([test x$mysql = xfalse],
1414    [
1415     mysqlfail=true
1416     AC_MSG_WARN([fail, MySQL >= 4.1 required])
1417    ],[
1418     AC_MSG_NOTICE([success, will keep $mysqlfail])
1419     mysqlfail=false
1420     AC_MSG_RESULT(ok)
1421    ])
1422 ])
1423
1424 AM_CONDITIONAL(HAVE_MYSQL, test x$mysql = xtrue)
1425 AM_CONDITIONAL(HAVE_MYSQLE, false)
1426 # restore LIBS
1427 LIBS=$SAVE_LIBS
1428 LDFLAGS=$SAVE_LDFLAGS
1429 CPPFLAGS=$SAVE_CPPFLAGS
1430
1431 # TODO: should this test for "or" not "and"?
1432 # TODO: Add postgres?
1433 AS_IF([test "$sqlite" = 0 -a "$mysql" = 0],
1434 [
1435  AC_MSG_ERROR([GNUnet requires SQLite or MySQL / MariaDB.])
1436 ])
1437
1438 # libmicrohttpd
1439 lmhd=0
1440 m4_define([MHD_MODULE], [libmicrohttpd >= 0.9.63])
1441 AC_ARG_WITH(microhttpd,
1442    [AS_HELP_STRING([--with-microhttpd[[=PFX]]],
1443        [base of libmicrohttpd installation])],
1444    [],
1445    [with_microhttpd=check])
1446 AS_CASE([$with_microhttpd],
1447    [no], [],
1448    [yes], [PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])],
1449    [check], [PKG_CHECK_MODULES([MHD], [MHD_MODULE],
1450        [lmhd=1],
1451        [AC_MSG_WARN([Building without libmicrohttpd])])],
1452    [SAVE_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
1453     PKG_CONFIG_PATH=$with_microhttpd/lib/pkgconfig
1454     export PKG_CONFIG_PATH
1455     PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])
1456     PKG_CONFIG_PATH=$SAVE_PKG_CONFIG_PATH])
1457 AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
1458 AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
1459
1460 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
1461 AM_CONDITIONAL(HAVE_REST, [test x$jansson = x1 -a x$lmhd = x1])
1462 AS_IF([test "x$lmhd" != "x1"],
1463       [AC_MSG_ERROR([GNUnet requires libmicrohttpd >= 0.9.63.])])
1464
1465
1466 # restore LIBS
1467 LIBS=$SAVE_LIBS
1468
1469 # check for gettext
1470 AM_GNU_GETTEXT([external])
1471 AM_GNU_GETTEXT_VERSION([0.18.1])
1472
1473 # Checks for standard typedefs, structures, and compiler characteristics.
1474 AC_TYPE_PID_T
1475 AC_TYPE_SIZE_T
1476 AC_TYPE_MODE_T
1477 AC_HEADER_TIME
1478 AC_HEADER_STAT
1479 AC_HEADER_STDBOOL
1480 AC_STRUCT_TM
1481
1482 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
1483    [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
1484    ],
1485    [],
1486    [
1487       #include <sys/types.h>
1488       #include <sys/socket.h>
1489       #include <netinet/in.h>
1490    ])
1491
1492 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
1493                 [ AC_DEFINE(HAVE_SOCKADDR_UN_SUN_LEN,
1494                             1,
1495                             [Do we have sockaddr_un.sun_len?])],
1496                 [],
1497                 [
1498                 #include <sys/types.h>
1499                 #include <sys/socket.h>
1500                 #include <sys/un.h>
1501                 ])
1502
1503
1504
1505 # Checks for library functions.
1506 AC_FUNC_CLOSEDIR_VOID
1507 AC_FUNC_FORK
1508 AC_PROG_GCC_TRADITIONAL
1509 AC_FUNC_MEMCMP
1510 AC_FUNC_SELECT_ARGTYPES
1511 AC_FUNC_CHOWN
1512
1513 AC_TYPE_SIGNAL
1514 AC_FUNC_STAT
1515 AC_FUNC_STRFTIME
1516 AC_FUNC_VPRINTF
1517 AC_HEADER_SYS_WAIT
1518 AC_TYPE_OFF_T
1519 AC_TYPE_UID_T
1520 AC_CHECK_FUNCS([atoll stat64 strnlen mremap getrlimit setrlimit sysconf initgroups strndup gethostbyname2 getpeerucred getpeereid setresuid $funcstocheck getifaddrs freeifaddrs getresgid mallinfo malloc_size malloc_usable_size getrusage random srandom stat statfs statvfs wait4])
1521
1522 # restore LIBS
1523 LIBS=$SAVE_LIBS
1524
1525 GN_INTLINCL=""
1526 GN_LIBINTL="$LTLIBINTL"
1527 GN_LIB_LDFLAGS="-export-dynamic -no-undefined"
1528 GN_PLUGIN_LDFLAGS="-export-dynamic -avoid-version -module -no-undefined"
1529
1530 AC_SUBST(GN_LIB_LDFLAGS)
1531 AC_SUBST(GN_PLUGIN_LDFLAGS)
1532 AC_SUBST(GN_INTLINCL)
1533 AC_SUBST(GN_LIBINTL)
1534
1535 AC_SUBST(CPPFLAGS)
1536 AC_SUBST(LIBS)
1537 AC_SUBST(LDFLAGS)
1538 AC_SUBST(EXT_LIB_PATH)
1539 AC_SUBST(EXT_LIBS)
1540
1541 AC_SUBST(LIBPREFIX)
1542 AC_SUBST(DLLDIR)
1543 AC_SUBST(EXT_LIB_PATH)
1544
1545 DATAROOTDIR=$datarootdir
1546 AC_SUBST(DATAROOTDIR)
1547
1548 # test for sudo
1549 AC_MSG_CHECKING(for sudo)
1550 #AC_CHECK_PROGS(SUDO_BINARY, [sudo], false)
1551 #AM_CONDITIONAL(HAVE_SUDO, test x$SUDO_BINARY != xfalse)
1552 AC_ARG_WITH(sudo,
1553            [  --with-sudo=PATH       path to sudo binary (or just yes)],
1554            [AC_MSG_RESULT("$with_sudo")
1555             AS_CASE([$with_sudo],
1556                     [no],[SUDO_BINARY=],
1557                     [yes],[SUDO_BINARY=sudo],
1558                     [SUDO_BINARY=$with_sudo])],
1559            [AC_MSG_RESULT([no])])
1560 AC_SUBST(SUDO_BINARY)
1561 AM_CONDITIONAL([HAVE_SUDO],
1562               [test "x$SUDO_BINARY" != "x" -o -w /])
1563
1564 # test for doas
1565 AC_MSG_CHECKING(for doas)
1566 AC_CHECK_PROGS(DOAS_BINARY, [doas], false)
1567 AM_CONDITIONAL(HAVE_DOAS_BINARY, test x$DOAS_BINARY != xfalse)
1568
1569 # test for gnunetdns group name
1570 GNUNETDNS_GROUP=gnunetdns
1571 AC_MSG_CHECKING(for gnunetdns group name)
1572 AC_ARG_WITH(gnunetdns,
1573             [  --with-gnunetdns=GRPNAME       name for gnunetdns group],
1574             [AC_MSG_RESULT("$with_gnunetdns")
1575              AS_CASE([$with_gnunetdns],
1576                      [no],[GNUNETDNS_GROUP=gnunet],
1577                      [yes],[GNUNETDNS_GROUP=gnunetdns],
1578                      [GNUNETDNS_GROUP=$with_gnunetdns])],
1579             [AC_MSG_RESULT([gnunetdns])])
1580 AC_SUBST(GNUNETDNS_GROUP)
1581
1582
1583
1584 # gnutls
1585 gnutls=0
1586 gnutls_dane=0
1587 AC_MSG_CHECKING(for gnutls)
1588 AC_ARG_WITH(gnutls,
1589             [  --with-gnutls=PFX   base of gnutls installation],
1590             [AC_MSG_RESULT([$with_gnutls])
1591              AS_CASE([$with_gnutls],
1592                      [no],[],
1593                      [yes],
1594                      [AC_CHECK_HEADERS([gnutls/abstract.h],
1595                                        AC_CHECK_LIB([gnutls],
1596                                                     [gnutls_priority_set],
1597                                                     gnutls=true))
1598                       AC_CHECK_HEADERS([gnutls/dane.h],
1599                                        AC_CHECK_LIB([gnutls-dane],
1600                                                     [dane_verify_crt_raw],
1601                                                     gnutls_dane=1))],
1602
1603         [LDFLAGS="-L$with_gnutls/lib $LDFLAGS"
1604         CPPFLAGS="-I$with_gnutls/include $CPPFLAGS"
1605         AC_CHECK_HEADERS([gnutls/abstract.h],
1606             AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1607               EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH"
1608               gnutls=true))
1609         AC_CHECK_HEADERS([gnutls/dane.h],
1610             AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1611               gnutls_dane=1))
1612       ])
1613    ],
1614    [AC_MSG_RESULT([--with-gnutls not specified])
1615     AC_CHECK_HEADERS([gnutls/abstract.h],
1616         AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1617           gnutls=true))
1618     AC_CHECK_HEADERS([gnutls/dane.h],
1619         AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1620                      gnutls_dane=1))
1621    ])
1622 AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue)
1623 AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have GnuTLS])
1624 AM_CONDITIONAL(HAVE_GNUTLS_DANE, test x$gnutls_dane = x1)
1625 AC_DEFINE_UNQUOTED([HAVE_GNUTLS_DANE], $gnutls_dane, [We have GnuTLS with DANE support])
1626
1627
1628
1629 # Test if we are building for superMUC
1630 AC_MSG_CHECKING(if GNUnet is being configured to run on the SuperMUC)
1631 AC_ARG_ENABLE([supermuc],
1632     [AS_HELP_STRING([--enable-supermuc],
1633        [build GNUnet with support to run on the SuperMUC (default is NO)])],
1634     [AS_IF([test "x$enable_supermuc" = "xno"],
1635       [supermuc=0],
1636       [supermuc=1])],
1637     [supermuc=0
1638      enable_supermuc=no])
1639 AC_MSG_RESULT($enable_SUPERMUC)
1640 AM_CONDITIONAL([ENABLE_SUPERMUC], [test "x$supermuc" = "x1"])
1641 AC_DEFINE_UNQUOTED([ENABLE_SUPERMUC], [$supermuc], [Build with support for SuperMUC])
1642
1643 # Check if NSE has to send timestamp information to testbed logger for
1644 # generating histogram of messages received
1645 AC_MSG_CHECKING(if NSE has to send timestamp information to testbed logger)
1646 AC_ARG_ENABLE([nse-histogram],
1647     [AS_HELP_STRING([--enable-nse-histogram],
1648        [have NSE send timestamp information to testbed logger for generating
1649        histogram of received messages.  NOT useful for production (default is
1650        NO)])],
1651     [AS_IF([test "x$enableval" = "xno"],
1652       [nse_histogram=0],
1653       [nse_histogram=1])],
1654     [nse_histogram=0
1655      enable_nse_histogram=no])
1656 AC_MSG_RESULT($enable_nse_histogram)
1657 AM_CONDITIONAL([ENABLE_NSE_HISTOGRAM], [test "x$nse_histogram" = "x1"])
1658 AC_DEFINE_UNQUOTED([ENABLE_NSE_HISTOGRAM], [$nse_histogram],
1659                    [have NSE send timestamp information to testbed logger])
1660
1661 # should 'make check' run tests?
1662 AC_MSG_CHECKING(whether to run tests)
1663 AC_ARG_ENABLE([testruns],
1664    [AS_HELP_STRING([--disable-testruns], [disable running tests on make check (default is YES)])],
1665    [enable_tests_run=${enableval}],
1666    [enable_tests_run=yes])
1667 AC_MSG_RESULT($enable_test_run)
1668 AM_CONDITIONAL([ENABLE_TEST_RUN], [test "x$enable_tests_run" = "xyes"])
1669
1670
1671 AC_MSG_CHECKING([whether to compile in benchmarks (currently for http and crypto)])
1672 AC_ARG_ENABLE([benchmark],
1673    [AS_HELP_STRING([--enable-benchmark], [enable benchmarking])],
1674    [enable_benchmark=${enableval}],
1675    [enable_benchmark=no])
1676 AC_MSG_RESULT($enable_benchmark)
1677 AS_IF([test "x$enable_benchmark" = "xyes"],
1678       [AC_DEFINE_UNQUOTED(ENABLE_BENCHMARK,1,[Benchmarks are enabled])])
1679 AM_CONDITIONAL([ENABLE_BENCHMARK], [test "x$enable_benchmark" = "xyes"])
1680
1681
1682 # should expensive tests be run?
1683 AC_MSG_CHECKING(whether to run expensive tests)
1684 AC_ARG_ENABLE([expensivetests],
1685    [AS_HELP_STRING([--enable-expensivetests], [enable running expensive testcases])],
1686    [enable_expensive=${enableval}],
1687    [enable_expensive=no])
1688 AC_MSG_RESULT($enable_expensive)
1689 AM_CONDITIONAL([HAVE_EXPENSIVE_TESTS], [test "x$enable_expensive" = "xyes"])
1690
1691 # should ports be open for Java services?
1692 AC_MSG_CHECKING(whether to enable ports for gnunet-java)
1693 AC_ARG_ENABLE([javaports],
1694    [AS_HELP_STRING([--enable-javaports], [use non-zero ports for services with Java bindings (default is NO)])],
1695    [enable_java_ports=${enableval}],
1696    [enable_java_ports=no])
1697 AC_MSG_RESULT($enable_java_ports)
1698 AS_IF([test "x$enable_java_ports" = "xyes"],
1699  [JAVAPORT=""],
1700  [JAVAPORT="$UNIXONLY"])
1701 AC_SUBST(JAVAPORT)
1702
1703 # should benchmarks be run?
1704 AC_MSG_CHECKING(whether to run benchmarks during make check)
1705 AC_ARG_ENABLE([benchmarks],
1706    [AS_HELP_STRING([--enable-benchmarks], [enable running benchmarks during make check])],
1707    [enable_benchmarks=${enableval}],
1708    [enable_benchmarks=no])
1709 AC_MSG_RESULT($enable_benchmarks)
1710 AM_CONDITIONAL([HAVE_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
1711
1712 # should gnunet-testing be compiled
1713 AC_MSG_CHECKING(whether to compile gnunet-testing)
1714 AC_ARG_ENABLE([testing],
1715    [AS_HELP_STRING([--disable-testing], [do not build gnunet-testing])],
1716    [enable_testing=${enableval}],
1717    [enable_testing=yes])
1718 AC_MSG_RESULT($enable_testing)
1719 AM_CONDITIONAL([HAVE_TESTING], [test "x$enable_testing" = "xyes"])
1720
1721 # should experimental code be compiled (code that may not yet compile)?
1722 AC_MSG_CHECKING(whether to compile experimental code)
1723 AC_ARG_ENABLE([experimental],
1724    [AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
1725    [enable_experimental=${enableval}],
1726    [enable_experimental=no])
1727 AC_MSG_RESULT($enable_experimental)
1728 AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
1729
1730 # should malicious code be compiled (should only be used for testing)?
1731 AC_MSG_CHECKING(whether to compile malicious code)
1732 AC_ARG_ENABLE([malicious],
1733    [AS_HELP_STRING([--enable-malicious], [enable compiling malicious code])],
1734    [AS_IF([test "x$enableval" = "xno"],
1735      [malicious=0],
1736      [malicious=1])],
1737    [malicious=0
1738     enable_malicious=no])
1739 AC_MSG_RESULT($enable_malicious)
1740 AM_CONDITIONAL([ENABLE_MALICIOUS], [test 1=$malicious])
1741 AC_DEFINE_UNQUOTED([ENABLE_MALICIOUS], [$malicious],
1742                    [enable compilation of malicious code])
1743
1744 # should services be started on demand when needed?
1745 # Some services may choose to never start by default
1746 # and it is up to the service/module developer to decide
1747 # by having "START_ON_DEMAND = NO" instead of
1748 # "START_ON_DEMAND = @START_ON_DEMAND@"
1749 # in the service/module's conf.in file.
1750 # See also IMMEDIATE_START for an unconditional immediate start.
1751 START_ON_DEMAND="YES"
1752 AC_MSG_CHECKING(whether to start peer's services on demand by default)
1753 AC_ARG_ENABLE([autostart],
1754    [AS_HELP_STRING([--disable-autostart], [do not start peer's services by default])],
1755    [enable_autostart=${enableval}
1756     AS_IF([test "x$enable_autostart" = "xno"],
1757       [START_ON_DEMAND="NO"])
1758    ],
1759    [enable_autostart=yes])
1760 AC_MSG_RESULT($enable_autostart)
1761 #AM_CONDITIONAL([HAVE_START_ON_DEMAND], [test "x$enable_autostart" = "xyes"])
1762 AC_SUBST(START_ON_DEMAND)
1763
1764 # should memory statistics be kept (very expensive CPU-wise!)
1765 AC_MSG_CHECKING(whether to create expensive statistics on memory use)
1766 AC_ARG_ENABLE([heapstats],
1767    [AS_HELP_STRING([--enable-heapstats], [enable expensive heap statistics])],
1768    [enable_heapstats=1],
1769    [enable_heapstats=0])
1770 AC_MSG_RESULT($enable_heapstats)
1771 AC_DEFINE_UNQUOTED([ENABLE_HEAP_STATISTICS],$enable_heapstats,[enable expensive heap statistics])
1772
1773
1774 # Check if the __thread storage class for
1775 # thread-local storage is available.
1776 AC_MSG_CHECKING(whether __thread is supported)
1777 AC_LINK_IFELSE(
1778 [AC_LANG_PROGRAM([#include <stdlib.h>
1779                    #undef __thread
1780                    static __thread int a = 1;],
1781                   [exit(a-1);])],
1782  [have_thread_local_gcc=1],[have_thread_local_gcc=0])
1783 AC_DEFINE_UNQUOTED([HAVE_THREAD_LOCAL_GCC],$have_thread_local_gcc,[Define this if __thread is supported])
1784 AS_IF([test "x$have_thread_local_gcc" = "x1"],
1785       [AC_MSG_RESULT(yes)],
1786       [AC_MSG_RESULT(no)])
1787
1788 # gcov compilation
1789 AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
1790 AC_ARG_ENABLE([coverage],
1791               AS_HELP_STRING([--enable-coverage],
1792                              [compile the library with code coverage support]),
1793               [use_gcov=${enableval}],
1794               [use_gcov=no])
1795 AC_MSG_RESULT($use_gcov)
1796 AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
1797
1798
1799 # version info
1800 # TODO: git blame says this predates our switch to git.
1801 # git-svn should be adjusted to simply git, or
1802 # an external script that does the job.
1803 AC_PATH_PROG(svnversioncommand, svnversion)
1804 AC_PATH_PROG(gitcommand, git)
1805 AC_MSG_CHECKING(for source being under a VCS)
1806
1807
1808 # version info
1809 AC_PATH_PROG(gitcommand, git)
1810 AC_MSG_CHECKING(for source being under a VCS)
1811 git_version=
1812 AS_IF([test ! "X$gitcommand" = "X"],
1813 [
1814   git_version=$(cd $srcdir ; git rev-list --full-history --all --abbrev-commit | head -n 1 2>/dev/null)
1815 ])
1816 AS_IF([test "X$git_version" = "X"],
1817   [
1818     vcs_name="no"
1819     vcs_version="\"release\""
1820   ],
1821   [
1822     vcs_name="yes, git-svn"
1823     vcs_version="\"git-$git_version\""
1824   ])
1825 AC_MSG_RESULT($vcs_name)
1826
1827 AC_MSG_CHECKING(VCS version)
1828 AC_MSG_RESULT($vcs_version)
1829 AC_DEFINE_UNQUOTED(VCS_VERSION, [$vcs_version], [VCS revision/hash or tarball version])
1830
1831 AC_CONFIG_FILES([
1832 Makefile
1833 bin/Makefile
1834 contrib/Makefile
1835 contrib/hellos/Makefile
1836 contrib/services/Makefile
1837 contrib/services/openrc/Makefile
1838 contrib/services/systemd/Makefile
1839 contrib/scripts/Makefile
1840 contrib/scripts/gnunet-logread/Makefile
1841 doc/Makefile
1842 doc/man/Makefile
1843 doc/doxygen/Makefile
1844 doc/handbook/Makefile
1845 doc/tutorial/Makefile
1846 m4/Makefile
1847 po/Makefile.in
1848 src/Makefile
1849 src/arm/Makefile
1850 src/arm/arm.conf
1851 src/ats/Makefile
1852 src/ats/ats.conf
1853 src/ats-tool/Makefile
1854 src/ats-tests/Makefile
1855 src/auction/Makefile
1856 src/block/Makefile
1857 src/cadet/Makefile
1858 src/cadet/cadet.conf
1859 src/core/Makefile
1860 src/core/core.conf
1861 src/consensus/Makefile
1862 src/consensus/consensus.conf
1863 src/conversation/Makefile
1864 src/conversation/conversation.conf
1865 src/curl/Makefile
1866 src/datacache/Makefile
1867 src/datastore/Makefile
1868 src/datastore/datastore.conf
1869 src/dht/Makefile
1870 src/dht/dht.conf
1871 src/dns/Makefile
1872 src/dns/dns.conf
1873 src/exit/Makefile
1874 src/fragmentation/Makefile
1875 src/fs/Makefile
1876 src/fs/fs.conf
1877 src/gns/Makefile
1878 src/gns/gns.conf
1879 src/gns/nss/Makefile
1880 src/gnsrecord/Makefile
1881 src/hello/Makefile
1882 src/identity/Makefile
1883 src/identity/identity.conf
1884 src/abd/Makefile
1885 src/abd/abd.conf
1886 src/include/Makefile
1887 src/integration-tests/Makefile
1888 src/json/Makefile
1889 src/hostlist/Makefile
1890 src/my/Makefile
1891 src/mysql/Makefile
1892 src/namecache/Makefile
1893 src/namecache/namecache.conf
1894 src/namestore/Makefile
1895 src/namestore/namestore.conf
1896 src/nat/Makefile
1897 src/nat/nat.conf
1898 src/nat-auto/Makefile
1899 src/nat-auto/nat-auto.conf
1900 src/nse/Makefile
1901 src/nse/nse.conf
1902 src/nt/Makefile
1903 src/peerinfo/Makefile
1904 src/peerinfo/peerinfo.conf
1905 src/peerinfo-tool/Makefile
1906 src/peerstore/Makefile
1907 src/peerstore/peerstore.conf
1908 src/pq/Makefile
1909 src/pt/Makefile
1910 src/regex/Makefile
1911 src/regex/regex.conf
1912 src/revocation/Makefile
1913 src/revocation/revocation.conf
1914 src/rps/Makefile
1915 src/rps/rps.conf
1916 src/secretsharing/Makefile
1917 src/secretsharing/secretsharing.conf
1918 src/scalarproduct/Makefile
1919 src/scalarproduct/scalarproduct.conf
1920 src/set/Makefile
1921 src/set/set.conf
1922 src/sq/Makefile
1923 src/statistics/Makefile
1924 src/statistics/statistics.conf
1925 src/template/Makefile
1926 src/testbed/Makefile
1927 src/testbed/testbed.conf
1928 src/testbed-logger/Makefile
1929 src/testbed-logger/testbed-logger.conf
1930 src/testing/Makefile
1931 src/topology/Makefile
1932 src/transport/Makefile
1933 src/transport/transport.conf
1934 src/util/Makefile
1935 src/util/resolver.conf
1936 src/vpn/Makefile
1937 src/vpn/vpn.conf
1938 src/zonemaster/Makefile
1939 src/zonemaster/zonemaster.conf
1940 src/rest/Makefile
1941 src/abe/Makefile
1942 src/reclaim/Makefile
1943 pkgconfig/Makefile
1944 pkgconfig/gnunetarm.pc
1945 pkgconfig/gnunetats.pc
1946 pkgconfig/gnunetblock.pc
1947 pkgconfig/gnunetcadet.pc
1948 pkgconfig/gnunetconsensus.pc
1949 pkgconfig/gnunetconversation.pc
1950 pkgconfig/gnunetcore.pc
1951 pkgconfig/gnunetdatacache.pc
1952 pkgconfig/gnunetdatastore.pc
1953 pkgconfig/gnunetdht.pc
1954 pkgconfig/gnunetdns.pc
1955 pkgconfig/gnunetenv.pc
1956 pkgconfig/gnunetfragmentation.pc
1957 pkgconfig/gnunetfs.pc
1958 pkgconfig/gnunetgns.pc
1959 pkgconfig/gnunethello.pc
1960 pkgconfig/gnunetidentity.pc
1961 pkgconfig/gnunetmicrophone.pc
1962 pkgconfig/gnunetmysql.pc
1963 pkgconfig/gnunetnamestore.pc
1964 pkgconfig/gnunetnat.pc
1965 pkgconfig/gnunetnse.pc
1966 pkgconfig/gnunetpeerinfo.pc
1967 pkgconfig/gnunetpq.pc
1968 pkgconfig/gnunetregex.pc
1969 pkgconfig/gnunetrevocation.pc
1970 pkgconfig/gnunetrps.pc
1971 pkgconfig/gnunetscalarproduct.pc
1972 pkgconfig/gnunetset.pc
1973 pkgconfig/gnunetspeaker.pc
1974 pkgconfig/gnunetstatistics.pc
1975 pkgconfig/gnunettestbed.pc
1976 pkgconfig/gnunettesting.pc
1977 pkgconfig/gnunettransport.pc
1978 pkgconfig/gnunetutil.pc
1979 pkgconfig/gnunetvpn.pc
1980 ])
1981 AC_OUTPUT
1982
1983
1984 # FIXME: `some modules' -> be more specific which exact modules.
1985
1986 # java ports
1987 AS_IF([test "x$enable_java_ports" = "xyes"],
1988       [AC_MSG_NOTICE([Opening TCP ports by default to enable gnunet-java bindings.])])
1989
1990 ####
1991 #### This could be moved to the checks above,
1992 #### but for now let's keep it here.
1993 ####
1994 transport_msg="tcp udp unix http"
1995 AS_IF([test "x$build_target" = "xlinux" -a "x$enable_experimental" = "xyes"],
1996       [transport_msg="$transport_msg wlan"])
1997 # -- print message regarding enabled experimental features
1998 experimental_msg="no"
1999 AS_IF([test "x$enable_experimental" = "xyes"],
2000       [experimental_msg="yes"])
2001 # -- libidn 2
2002 AS_IF([test "x$working_libidn2" = x1],
2003       [libidn2_msg="libidn2"])
2004 # -- libidn 1
2005 AS_IF([test "x$working_libidn1" = x1],
2006       [libidn1_msg="libidn1"])
2007 # -- texi2mdoc-generation
2008 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
2009       [mdocml_msg="yes"],
2010       [mdocml_msg="no"])
2011 # -- texi2mdoc
2012 AS_IF([test "x$TEXI2MDOC_BINARY" = "false"],
2013       [AC_MSG_NOTICE([texi2mdoc binary not found (will not generate mdoc documentation)])
2014        texi2mdoc_msg="no (optional)"],
2015       [texi2mdoc_msg="yes"])
2016 # -- mandoc
2017 AS_IF([test "x$MANDOC_BINARY" = "false"],
2018       [AC_MSG_NOTICE([mandoc binary not found (will not generate handbook as man page)])
2019        mandoc_msg="no"],
2020       [mandoc_msg="yes"])
2021 # -- texinfo
2022 AS_IF([test "x$makeinfo" != "x1"],
2023       [texinfo_msg="no"],
2024       [texinfo_msg="yes"])
2025 # -- conversation
2026 conversation_msg="no"
2027 AS_IF([test "x$conversation_backend" = "xnone"],
2028       [AS_IF([test "x$pulse" != "x1"],
2029              [libpulse_msg="no (required for conversation)"],
2030              [libpulse_msg="yes"])
2031        AS_IF([test "x$opus" != "x1"],
2032              [libopus_msg="no (required for conversation)"],
2033              [libopus_msg="yes"])
2034        AS_IF([test "x$gst" != "x1"],
2035              [gstreamer_msg="no (required for conversation)"],
2036              [gstreamer_msg="yes"])],
2037       [AS_IF([test "x$opus" = x1],
2038              [conversation_msg="yes (x$conversation_backend)"],
2039              [AC_MSG_WARN([libopus not found (required to build conversation)])])])
2040
2041 # -- interface
2042 interface_msg=`echo $DEFAULT_INTERFACE | tr -d \"`
2043 # -- jansson
2044 # -- libextractor
2045 AS_IF([test "$extractor" != 1],
2046       [AC_MSG_WARN([libextractor not found, but various file-sharing functions require it])],
2047       [libextractor_msg="yes"])
2048 # -- libzbar
2049 AS_IF([test "x$zbar" = "x1"],
2050       [libzbar_msg="yes"],
2051       [libzbar_msg="no (gnunet-qr will not be built)"])
2052 # -- libgnurl
2053 AS_IF([test "$gnurl" = "0"],
2054       [AS_IF([test "x$curl" = "xfalse"],
2055              [AC_MSG_WARN([libgnurl not found. http client support will not be compiled.])
2056               AC_MSG_WARN([IMPORTANT: No HTTP client library found. HTTP transports and hostlist daemon will not be compiled, and you probably WANT the hostlist daemon])
2057               http_client="none"],
2058              [AC_MSG_NOTICE([Using libcurl as HTTP client library.])
2059               http_client="curl"])],
2060        [AC_MSG_NOTICE([Using libgnurl as HTTP client library.])
2061         http_client="gnurl"])
2062 AS_IF([test "x$curl" = "xtrue" -a "x$curl_gnutls" != "xtrue"],
2063       [AC_MSG_WARN([libcurl TLS backend is not gnutls. The GNS Proxy will likely not function properly.])
2064        http_client="curl-openssl"],
2065       [http_client="curl-gnutls"])
2066 # -- ifconfig
2067 AS_IF([test "$VAR_IFCONFIG_BINARY" = "false"],
2068       [ifconfig_msg="no (optional, some features will not work)"],
2069       [ifconfig_msg="yes"])
2070 # -- upnpc
2071 AS_IF([test "$VAR_UPNPC_BINARY" = "false"],
2072       [upnpc_msg="no (optional, NAT traversal using UPnPc will not work)"],
2073       [upnpc_msg="yes"])
2074 # -- iptables
2075 AS_IF([test "$VAR_IPTABLES_BINARY" = "false"],
2076       [iptables_msg="no (optional, DNS query interception will not work)"],
2077       [iptables_msg="yes"])
2078 # -- bluetooth
2079 AS_IF([test "x$bluetooth" = "x0"],
2080       [bluetooth_msg="no (optional)"],
2081       [bluetooth_msg="yes"
2082        transport_msg="$transport_msg bluetooth"])
2083 # -- gnutls
2084 AS_IF([test x$gnutls != xtrue],
2085       [AC_MSG_WARN([GnuTLS not found, gnunet-gns-proxy will not be built])
2086        gnutls_msg="no (gnunet-gns-proxy will not be built)"],
2087       [AS_IF([test "x$gnutls_dane" != "x1"],
2088              [AC_MSG_WARN([GnuTLS lacks DANE support, DANE validation will not be possible])
2089               gnutls_msg="yes (without DANE support)"],
2090              [gnutls_msg="yes (with DANE support)"])])
2091 # -- databases
2092 # TODO: this always returns true, the check might
2093 # TODO: not be working as intended (for msqlfail).
2094 AS_IF([test "$mysql" = true],
2095       [features_msg="$features_msg mysql"
2096        mysql_msg="yes"],
2097       [mysql_msg="no"])
2098 AS_IF([test x$mysqlfail = xtrue],
2099       [AC_MSG_WARN([MySQL not found (or too old), will not create MySQL database support])
2100        mysql_msg="unsupported version"])
2101 AS_IF([test "$sqlite" = true],
2102       [features_msg="$features_msg sqlite"
2103        sqlite_msg="yes"],
2104       [AC_MSG_ERROR([sqlite3 not found, but sqlite3 is required.])
2105        sqlite_msg="no"])
2106 AS_IF([test "$postgres" = true],
2107       [features_msg="$features_msg postgres"
2108        postgres_msg="yes"],
2109       [postgres_msg="no"])
2110 # -- features
2111 # ---- 1. replace spaces with newlines,
2112 # ---- 2. sort the lines,
2113 # ---- 3. replace the newlines with spaces.
2114 features_msg=`echo $features_msg | tr ' ' '\012' | sort | tr '\012' ' '`
2115 AC_SUBST(features_msg)
2116
2117
2118 # The summary
2119 # TODO: reduce the length of the last message block, following "IMPORTANT".
2120
2121 AC_MSG_NOTICE([
2122 Detected system
2123 ===============
2124
2125 GNUnet version:                 ${VERSION}
2126
2127 Host setup:                     ${host}
2128 Install prefix:                 ${prefix}
2129 Compiler:                       ${CC}
2130 CFLAGS:                         ${CFLAGS}
2131 CPPFLAGS:                       ${CPPFLAGS}
2132 LDFLAGS:                        ${LDFLAGS}
2133 LIBS:                           ${LIBS}
2134 Build Target:                   $build_target
2135
2136 Default Interface:              ${interface_msg}
2137
2138 MySQL:                          ${mysql_msg}
2139 PostgreSQL:                     ${postgres_msg}
2140 sqlite3:                        ${sqlite_msg}
2141 http client:                    ${http_client}
2142 bluetooth:                      ${bluetooth_msg}
2143 iptables:                       ${iptables_msg}
2144 ifconfig:                       ${ifconfig_msg}
2145 upnpc:                          ${upnpc_msg}
2146 gnutls:                         ${gnutls_msg}
2147 libzbar:                        ${libzbar_msg}
2148 java:                           ${java_msg}
2149 libidn:                         ${libidn1_msg}${libidn2_msg}
2150 libopus:                        ${libopus_msg}
2151 gstreamer:                      ${gstreamer_msg}
2152 libpulse:                       ${libpulse_msg}
2153 libextractor:                   ${libextractor_msg}
2154 texi2mdoc:                      ${texi2mdoc_msg}
2155 mandoc:                         ${mandoc_msg}
2156
2157 GNUnet configuration:
2158 =====================
2159 transports:                     ${transport_msg}
2160 conversation:                   ${conversation_msg}
2161 database backends:              ${features_msg}
2162 experimental:                   ${experimental_msg}
2163
2164 texinfo manual:                 ${texinfo_msg}
2165 transpiled mdocml manual:       ${mdocml_msg}
2166 ])
2167
2168 AS_IF([test x$MSG_USER_SETUP != xfalse],
2169  [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'.])
2170   AS_IF([test x$HAVE_GNUNET_USER != 0],
2171     [AC_MSG_NOTICE([To do this on this system, run:
2172 # addgroup gnunetdns
2173 # adduser --system --disabled-login --home /var/lib/gnunet gnunet
2174 ])])
2175   AC_MSG_WARN([Each user of GNUnet should be added to the 'gnunet' group.])
2176   AS_IF([test x$HAVE_GNUNET_USER != 0],
2177     [AC_MSG_NOTICE([To do this on this system, run:
2178 # adduser USERNAME gnunet
2179    for each of your users, replacing \"USERNAME\" with the respective login name. Users may have to login again for the changes to take effect.
2180 ])])])
2181
2182 AC_MSG_NOTICE([For detailed setup instructions, type 'info gnunet' after the installation or visit https://docs.gnunet.org/])