configure.ac

   1 # This file is part of GNUnet.
   2 # (C) 2001--2019 GNUnet e.V.
   3 #
   4 # GNUnet is free software: you can redistribute it and/or modify it
   5 # under the terms of the GNU Affero General Public License as published
   6 # by the Free Software Foundation, either version 3 of the License,
   7 # or (at your option) any later version.
   8 #
   9 # GNUnet is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 #
  17 # SPDX-License-Identifier: AGPL3.0-or-later
  18 #
  19 # Process this file with autoconf to produce a configure script.
  20 #
  21 #
  22 AC_PREREQ(2.61)
  23 # Checks for programs.
  24 AC_INIT([gnunet], [0.11.6], [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 win32-dll])
  52 AC_SUBST(MKDIR_P)
  53
  54 # allow for different autotools
  55 AS_AUTOTOOLS_ALTERNATE
  56
  57 # large file support
  58 AC_SYS_LARGEFILE
  59 AC_FUNC_FSEEKO
  60
  61
  62 CFLAGS="-Wall $CFLAGS"
  63 AC_MSG_CHECKING(whether cc can use -fno-strict-aliasing)
  64 # use '-fno-strict-aliasing', but only if the compiler can take it
  65 AS_IF([$CC -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1],
  66  [CFLAGS="-fno-strict-aliasing $CFLAGS"])
  67
  68 # A helper which allows us to check cflags if compiler
  69 AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
  70   AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
  71     [ac_save_CFLAGS="$CFLAGS"
  72      CFLAGS="$CFLAGS $1 -Werror"
  73      AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
  74        [eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
  75        [eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
  76      CFLAGS="$ac_save_CFLAGS"
  77     ])
  78
  79   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
  80     [$2], [$3])
  81 ])
  82
  83
  84 # CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found])
  85 # Check for CFLAG and appends them to CFLAGS if supported
  86 AC_DEFUN([CC_CHECK_CFLAG_APPEND], [
  87   AC_CACHE_CHECK([if $CC supports -Wno-$1 flag],
  88     AS_TR_SH([cc_cv_cflags_-W$1]),
  89     CC_CHECK_CFLAGS_SILENT([-W$1]) #gcc is stupid. It does not fail with the -W-no option for backwards compat but then shows the error "in case something goes wrong".
  90   )
  91
  92   AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_-W$1])[ = xyes],
  93     [CFLAGS="$CFLAGS -Wno-$1"; $2], [$3])
  94 ])
  95
  96
  97 # We make heavy use of this, llvm/gcc and gcc-9 give warnings so disable.
  98 CC_CHECK_CFLAG_APPEND([address-of-packed-member])
  99
 100 # Use Linux interface name unless the OS has a different preference
 101 DEFAULT_INTERFACE="\"eth0\""
 102
 103 funcstocheck="getnameinfo gethostname gethostbyname gethostbyaddr getaddrinfo getaddrinfo_a"
 104
 105 # Srcdir in a form that native compiler understands (i.e. DOS path on W32)
 106 native_srcdir=$srcdir
 107
 108 OLD_LDFLAGS="$LDFLAGS"
 109 LDFLAGS="$LDFLAGS -Wl,--unresolved-symbols=report-all"
 110
 111 # Check system type
 112 AS_CASE(["$host_os"],
 113   [*darwin* | *rhapsody* | *macosx*],[
 114      AC_DEFINE_UNQUOTED(DARWIN,1,[This is an Apple Darwin system])
 115      CPPFLAGS="-D_APPLE_C_SOURCE $CPPFLAGS"
 116      CFLAGS="-fno-common $CFLAGS"
 117      LDFLAGS="$OLD_LDFLAGS"
 118      AC_MSG_WARN([WARNING: The VPN application cannot be compiled on your OS])
 119      AC_CHECK_LIB(intl, gettext)
 120      build_target="darwin"
 121      DEFAULT_INTERFACE="\"en0\""
 122      LIBPREFIX=
 123      DLLDIR=lib
 124      UNIXONLY="#"
 125   ],
 126   [linux*],[
 127      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 128      build_target="linux"
 129      LIBPREFIX=
 130      DLLDIR=lib
 131      UNIXONLY="#"
 132      AC_PATH_XTRA
 133   ],
 134   [*freebsd*],[
 135      AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
 136      AC_DEFINE_UNQUOTED(FREEBSD,1,[This is a FreeBSD system])
 137      CFLAGS="-D_THREAD_SAFE $CFLAGS"
 138      build_target="freebsd"
 139      LIBPREFIX=
 140      DLLDIR=lib
 141      UNIXONLY="#"
 142   ],
 143   [*openbsd*],[
 144      AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
 145      AC_DEFINE_UNQUOTED(OPENBSD,1,[This is an OpenBSD system])
 146      LIBS=`echo $LIBS | sed -e "s/-ldl//"`
 147      build_target="openbsd"
 148      LIBPREFIX=
 149      DLLDIR=lib
 150      UNIXONLY="#"
 151   ],
 152   [*netbsd*],[
 153      AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
 154      AC_DEFINE_UNQUOTED(NETBSD,1,[This is a NetBSD system])
 155      build_target="netbsd"
 156      LIBPREFIX=
 157      DLLDIR=lib
 158      UNIXONLY="#"
 159   ],
 160   [*solaris*],[
 161      AC_DEFINE_UNQUOTED(SOLARIS,1,[This is a Solaris system])
 162      AC_DEFINE_UNQUOTED(_REENTRANT,1,[Need with solaris or errno doesnt work])
 163      AC_CHECK_LIB(resolv, res_init)
 164      AC_CHECK_LIB(rt, nanosleep)
 165      build_target="solaris"
 166      LIBPREFIX=
 167      DLLDIR=lib
 168      UNIXONLY="#"
 169   ],
 170   [*arm-linux*],[
 171      AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
 172      CFLAGS="-D_REENTRANT -fPIC -pipe $CFLAGS"
 173      build_target="linux"
 174      LIBPREFIX=
 175      DLLDIR=lib
 176      UNIXONLY="#"
 177   ],
 178   [gnu*],[
 179      AC_DEFINE_UNQUOTED(GNU,1,[This is a GNU system])
 180      build_target="gnu"
 181      UNIXONLY="#"
 182   ],
 183   [
 184      AC_MSG_RESULT(Unrecognised OS $host_os)
 185      AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
 186      UNIXONLY=""
 187 ])
 188 AC_DEFINE_UNQUOTED([GNUNET_DEFAULT_INTERFACE], $DEFAULT_INTERFACE, [This should be the default choice for the name of the first network interface])
 189 AC_SUBST(DEFAULT_INTERFACE)
 190
 191 # Disable TCP-based IPC on systems that support UNIX domain
 192 # sockets in default configuratin:
 193 AC_SUBST(UNIXONLY)
 194
 195
 196 AC_MSG_CHECKING([for build target])
 197 AM_CONDITIONAL(DARWIN,  test "$build_target" = "darwin")
 198 AM_CONDITIONAL(SOLARIS, test "$build_target" = "solaris")
 199 AM_CONDITIONAL(XNETBSD, test "$build_target" = "netbsd")
 200 AM_CONDITIONAL(XFREEBSD, test "$build_target" = "freebsd")
 201 AM_CONDITIONAL(OPENBSD, test "$build_target" = "openbsd")
 202 AM_CONDITIONAL(LINUX, test "$build_target" = "linux")
 203 AM_CONDITIONAL(GNU, test "$build_target" = "gnu")
 204
 205 AC_MSG_RESULT([$build_target])
 206 AC_SUBST(build_target)
 207 AM_CONDITIONAL([am__fastdepOBJC], false)
 208 AC_UNALIGNED_64_ACCESS
 209
 210 # some other checks for standard libs
 211 AC_SEARCH_LIBS([gethostbyname], [nsl ws2_32])
 212 AC_SEARCH_LIBS([memrchr], [],
 213                AC_DEFINE(HAVE_MEMRCHR,1,[memrchr supported]), [])
 214 AC_SEARCH_LIBS([memset_s], [],
 215                AC_DEFINE(HAVE_MEMSET_S,1,[memset_s supported]), [])
 216 AC_SEARCH_LIBS([memset_s], [],
 217                AC_DEFINE(HAVE_EXPLICIT_BZERO,1,[explicit_bzero supported]), [])
 218 AC_CHECK_LIB(socket, socket)
 219 AC_CHECK_LIB(m, log)
 220 AC_CHECK_LIB(c, getloadavg, AC_DEFINE(HAVE_GETLOADAVG,1,[getloadavg supported]))
 221
 222 AC_CHECK_PROG(VAR_GETOPT_BINARY, getopt, true, false)
 223 AM_CONDITIONAL(HAVE_GETOPT_BINARY, $VAR_GETOPT_BINARY)
 224
 225 AC_CHECK_PROG(VAR_SSH_BINARY, ssh, true, false)
 226 AM_CONDITIONAL(HAVE_SSH_BINARY, $VAR_SSH_BINARY)
 227 AM_CONDITIONAL(HAVE_SSH_KEY,  ssh -D 12345 -o "BatchMode yes" -o "UserKnownHostsFile /tmp/gnunet_test_cosks_ssh_garbage" -o "StrictHostKeyChecking no" 127.0.0.1 echo -n)
 228 rm -f /tmp/gnunet_test_cosks_ssh_garbage
 229
 230 # autotools' m4 for python has no maximum version!
 231 # python3.4 - python3.7 for tests
 232 m4_define_default([_AM_PYTHON_INTERPRETER_LIST],[python3 python3.4 python3.5 python3.6 python3.7 python])
 233 AM_PATH_PYTHON([3.4],, [:])
 234 AC_SUBST([PYTHON])
 235 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
 236
 237 # perl
 238 AC_PATH_PROG( PERL, perl, ,
 239               $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
 240 AC_SUBST([PERL])
 241
 242 # iptables is a soft requirement to run tests
 243 AC_PATH_TARGET_TOOL(VAR_IPTABLES_BINARY, iptables, false)
 244
 245 AS_IF([test x"$VAR_IPTABLES_BINARY" = x"false"],
 246  [AS_IF([test -x "/sbin/iptables"],
 247    [VAR_IPTABLES_BINARY="/sbin/iptables"],
 248    [AS_IF([test -x "/usr/sbin/iptables"],
 249       [VAR_IPTABLES_BINARY="/usr/sbin/iptables"])])])
 250
 251 AS_IF([test x"$VAR_IPTABLES_BINARY" != x"false"],
 252  [AC_DEFINE_UNQUOTED([IPTABLES], "$VAR_IPTABLES_BINARY", [Path to iptables])],
 253  [AC_MSG_WARN([warning: 'iptables' not found.])])
 254
 255 # ip6tables is a soft requirement for some features
 256 AC_PATH_TARGET_TOOL(VAR_IP6TABLES_BINARY, ip6tables, false)
 257
 258 AS_IF([test x"$VAR_IP6TABLES_BINARY" = x"false"],
 259   [AS_IF([test -x "/sbin/ip6tables"],
 260      [VAR_IP6TABLES_BINARY="/sbin/ip6tables"],
 261      [AS_IF([test -x "/usr/sbin/ip6tables"],
 262         [VAR_IP6TABLES_BINARY="/usr/sbin/ip6tables"])])])
 263
 264
 265 AS_IF([test x"$VAR_IP6TABLES_BINARY" != x"false"],
 266   [AC_DEFINE_UNQUOTED([IP6TABLES], "$VAR_IP6TABLES_BINARY", [Path to ip6tables])],
 267   [AC_MSG_WARN([warning: 'ip6tables' not found.])])
 268
 269 # ip is a soft requirement for some features
 270 AC_PATH_TARGET_TOOL(VAR_IP_BINARY, ip, false)
 271
 272 AS_IF([test x"$VAR_IP_BINARY" = x"false"],
 273  [AS_IF([test -x "/sbin/ip"],
 274    [VAR_IP_BINARY="/sbin/ip"],
 275    [AS_IF([test -x "/usr/sbin/ip"],
 276           [VAR_IP_BINARY="/usr/sbin/ip"])])])
 277
 278 AS_IF([test x"$VAR_IP_BINARY" != x"false"],
 279  [AC_DEFINE_UNQUOTED([PATH_TO_IP], "$VAR_IP_BINARY", [Path to ip])],
 280  [AC_MSG_WARN([warning: 'ip' not found.])])
 281
 282 # locate 'ifconfig'
 283 AC_PATH_TARGET_TOOL(VAR_IFCONFIG_BINARY, ifconfig, false)
 284
 285 AC_CHECK_PROG(VAR_IFCONFIG_BINARY, ifconfig, true, false)
 286 AS_IF([test x"$VAR_IFCONFIG_BINARY" = x"false"],
 287   [AS_IF([test -x "/sbin/ifconfig"],
 288      [VAR_IFCONFIG_BINARY="/sbin/ifconfig"],
 289      [AS_IF([test -x "/usr/sbin/ifconfig"],
 290             [VAR_IFCONFIG_BINARY="/usr/sbin/ifconfig"])])])
 291
 292 AS_IF([test x"$VAR_IFCONFIG_BINARY" != x"false"],
 293   [AC_DEFINE_UNQUOTED([IFCONFIG], "$VAR_IFCONFIG_BINARY", [Path to ifconfig])],
 294   [AC_MSG_WARN(['ifconfig' not found.])])
 295
 296
 297 AC_PATH_TARGET_TOOL(VAR_SYSCTL_BINARY, sysctl, false)
 298
 299 AC_CHECK_PROG(VAR_SYSCTL_BINARY, sysctl, true, false)
 300 AS_IF([test x"$VAR_SYSCTL_BINARY" = x"false"],
 301       [AS_IF([test -x "/sbin/sysctl"],
 302              [VAR_SYSCTL_BINARY="/sbin/sysctl"],
 303              [AS_IF([test -x "/usr/sbin/sysctl"],
 304                     [VAR_SYSCTL_BINARY="/usr/sbin/sysctl"])])])
 305 AS_IF([test x"$VAR_SYSCTL_BINARY" != x"false"],
 306       [AC_DEFINE_UNQUOTED([SYSCTL], "$VAR_SYSCTL_BINARY", [Path to sysctl])],
 307       [AC_MSG_WARN(['sysctl' not found.])])
 308
 309 # miniupnpc / upnpc binary is a soft runtime requirement
 310 AC_PATH_TARGET_TOOL(VAR_UPNPC_BINARY, upnpc, false)
 311
 312 AS_IF([test x"$VAR_UPNPC_BINARY" != x"false"],
 313   [AC_DEFINE_UNQUOTED([UPNPC], "$VAR_UPNPC_BINARY", [Path to upnpc binary])],
 314   [AC_MSG_WARN([warning: 'upnpc' binary not found.])])
 315
 316
 317 # uncrustify
 318 AC_PATH_TARGET_TOOL(VAR_UNCRUSTIFY_BINARY, uncrustify, false)
 319
 320 AS_IF([test x"$VAR_UNCRUSTIFY_BINARY" != x"false"],
 321   [AC_DEFINE_UNQUOTED([HAVE_UNCRUSTIFY], "$VAR_UNCRUSTIFY_BINARY", [Path to uncrustify binary])],
 322   [AC_MSG_WARN([warning: 'uncrustify' binary not found.])])
 323
 324
 325 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
 326   [AC_DEFINE(HAVE_TM_GMTOFF, 1,
 327      [Define if struct tm has the tm_gmtoff member.])],
 328      ,
 329      [#include <time.h>])
 330
 331 # 'save' libs; only those libs found so far will be
 332 # linked against _everywhere_.  For the others, we
 333 # will be more selective!
 334 SAVE_LIBS=$LIBS
 335
 336 have_addrinfo_a=0
 337 AC_CHECK_LIB(anl,
 338              getaddrinfo_a,
 339              [have_addrinfo_a=1 AC_DEFINE(HAVE_GETADDRINFO_A,
 340                                           1,
 341                                           [getaddrinfo_a supported])])
 342 AM_CONDITIONAL(HAVE_GETADDRINFO_A,
 343                [test "$have_addrinfo_a" = 1])
 344
 345 # libgcrypt
 346 gcrypt=0
 347 NEED_LIBGCRYPT_API=1
 348 NEED_LIBGCRYPT_VERSION=1.6.0
 349
 350
 351 AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION", gcrypt=1)
 352 AC_CHECK_DECLS([gcry_mpi_set_opaque_copy], [], [], [[#include <gcrypt.h>]])
 353
 354 AS_IF([test $gcrypt = 0],
 355  [
 356   AC_MSG_ERROR([[
 357 ***
 358 *** You need libgcrypt to build this program.
 359 **  This library is for example available at
 360 ***   ftp://ftp.gnupg.org/gcrypt/libgcrypt/
 361 *** (at least version $NEED_LIBGCRYPT_VERSION (API $NEED_LIBGCRYPT_API)
 362 ***  is required.)
 363 ***]])
 364 ])
 365 AC_DEFINE_UNQUOTED([NEED_LIBGCRYPT_VERSION], "$NEED_LIBGCRYPT_VERSION", [required libgcrypt version])
 366
 367 AC_CHECK_DECLS([struct in6_ifreq], [], [], [[#include <linux/if_tun.h>]])
 368
 369
 370
 371 # should the build process be building the documentation?
 372 AC_MSG_CHECKING(whether to build documentation)
 373 AC_ARG_ENABLE([documentation],
 374               [AS_HELP_STRING([--disable-documentation],
 375                               [do not build the documentation])],
 376               [documentation=${enableval}],
 377               [documentation=yes])
 378 AC_MSG_RESULT($documentation)
 379 AS_IF([test "x$documentation" = "xyes"],
 380       [AM_CONDITIONAL([DOCUMENTATION],
 381                       true)
 382        AC_DEFINE([DOCUMENTATION],
 383                  [1],
 384                  [Building the documentation])],
 385       [AM_CONDITIONAL([DOCUMENTATION],
 386                       false)
 387        AC_DEFINE([DOCUMENTATION],
 388                  [0],
 389                  [Not building the documentation])])
 390
 391 # COMMENT: Check wether to transpile texinfo to mdoc.
 392 # COMMENT: This is TRUE when --enable-texi2mdoc-generation
 393 # COMMENT: but ERRORS when texi2mdoc binary is missing in your $PATH
 394 # COMMENT: and makes the configure fail if it is missing.
 395 # COMMENT: Consequential the DEFINE and CONDITIONAL are set to true.
 396 # COMMENT: This is FALSE when --disable-texi2mdoc-generation was set
 397 # COMMENT: or nothing was set (this is the default).
 398 # COMMENT: There are 2 nested AS_IFs because we need to catch the
 399 # COMMENT: potential non-existence of the texi2mdoc binary.
 400 # COMMENT: Default return value / setting: no
 401 AC_MSG_CHECKING(wether to include generated texi2mdoc output in installation)
 402 AC_ARG_ENABLE([texi2mdoc-generation],
 403               [AS_HELP_STRING([--enable-texi2mdoc-generation],
 404                               [include generated texi2mdoc output in installation])],
 405               [texi2mdoc_generation=${enableval}],
 406               [texi2mdoc_generation=no])
 407 AC_MSG_RESULT($texi2mdoc_generation)
 408 AS_IF([test "x$texi2mdoc_generation" = "xyes"],
 409       [AS_IF([test "$texi2mdoc" = 0],
 410              [AC_MSG_WARN([ERROR: transpiled mdoc output requires texi2mdoc.])
 411               AC_MSG_WARN([ERROR: texi2mdoc can be obtained via your Operating System])
 412               AC_MSG_WARN([ERROR: package manager or from https://mandoc.bsd.lv/texi2mdoc/])],
 413              [AM_CONDITIONAL([TEXI2MDOC_GENERATION],true)
 414               AC_DEFINE([TEXI2MDOC_GENERATION],
 415                         [1],
 416                         [Building section 7 mdoc output])])],
 417       [AM_CONDITIONAL([TEXI2MDOC_GENERATION],
 418                       false)
 419        AC_DEFINE([TEXI2MDOC_GENERATION],
 420                  [0],
 421                  [Not building section 7 mdoc output])])
 422
 423 # should the build process be building only the documentation?
 424 AC_MSG_CHECKING(whether to build only documentation)
 425 AC_ARG_ENABLE([documentation-only],
 426    [AS_HELP_STRING([--enable-documentation-only], [build only the documentation])],
 427    [documentation_only=${enableval}],
 428    [documentation_only=no])
 429 AC_MSG_RESULT($documentation_only)
 430 AS_IF([test "x$documentation_only" = "xyes"],
 431  [
 432   AM_CONDITIONAL([DOCUMENTATION_ONLY],true)
 433   AC_DEFINE([DOCUMENTATION_ONLY],[1],[Building only the documentation])
 434  ],[
 435   AM_CONDITIONAL([DOCUMENTATION_ONLY],false)
 436   # TODO: Double negation might be a bit hard to parse for some
 437   # TODO: people reading the output.
 438   AC_DEFINE([DOCUMENTATION_ONLY],[0],[Not building only the documentation])
 439  ])
 440
 441 # should the build process be including the manpages? (default: yes)
 442 AC_MSG_CHECKING(whether to include man pages)
 443 AC_ARG_ENABLE([include-manpages],
 444    [AS_HELP_STRING([--disable-include-manpages], [Do not include the man pages in build and installation])],
 445    [include_manpages=${enableval}],
 446    [include_manpages=yes])
 447 AC_MSG_RESULT($include_manpages)
 448 AS_IF([test "x$include_manpages" = "xyes"],
 449  [
 450   AM_CONDITIONAL([INCLUDE_MANPAGES],true)
 451   AC_DEFINE([INCLUDE_MANPAGES],[1],[Including the man pages in the build and installation])
 452  ],[
 453   AM_CONDITIONAL([INCLUDE_MANPAGES],false)
 454   AC_DEFINE([INCLUDE_MANPAGES],[0],[Not including the man pages in the build and installation])
 455  ])
 456
 457 # Do we have texinfo4? If yes, it is used to set texinfo4 specific switches
 458 # (not syntax!) to the commandline tools which generate the html. If not,
 459 # texinfo5 switches are used. This comes with no version checks, is
 460 # enabled only at distributors action (ie defaults to "no").
 461 # Mantis #3914 for more details (https://bugs.gnunet.org/view.php?id=3914)
 462 AC_MSG_CHECKING(whether to enable texinfo4 switches)
 463 AC_ARG_ENABLE([texinfo4],
 464    [AS_HELP_STRING([--enable-texinfo4], [Use texinfo version 4 specific switches])],
 465    [activate_texinfo4=${enableval}],
 466    [activate_texinfo4=no])
 467 AC_MSG_RESULT($activate_texinfo4)
 468 AS_IF([test "x$activate_texinfo4" = "xyes"],
 469  [
 470   AM_CONDITIONAL([ACTIVATE_TEXINFO4],true)
 471   AC_DEFINE([ACTIVATE_TEXINFO4],[1],[Using texinfo version 4 specific switches])
 472  ],[
 473   AM_CONDITIONAL([ACTIVATE_TEXINFO4],false)
 474   AC_DEFINE([INCLUDE_MANPAGES],[0],[Using texinfo version 5 or later switches])
 475  ])
 476
 477
 478 # Adam shostack suggests the following for Windows:
 479 # -D_FORTIFY_SOURCE=2 -fstack-protector-all
 480 AC_ARG_ENABLE(gcc-hardening,
 481    AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
 482 [AS_IF([test x$enableval = xyes],[
 483     CFLAGS="$CFLAGS -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-all"
 484     CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
 485     CFLAGS="$CFLAGS --param ssp-buffer-size=1"
 486     LDFLAGS="$LDFLAGS -pie"
 487  ])])
 488
 489 # Linker hardening options
 490 # Currently these options are ELF specific - you can't use this with MacOSX
 491 AC_ARG_ENABLE(linker-hardening,
 492   AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
 493 [AS_IF([test x$enableval = xyes],
 494    [LDFLAGS="$LDFLAGS -z relro -z now"])])
 495
 496
 497 AC_ARG_ENABLE(sanitizer,
 498   AS_HELP_STRING(--enable-sanitizer, enable Address Sanitizer and Undefined Behavior Sanitizer),
 499 [AS_IF([test x$enableval = xyes],[
 500    LDFLAGS="$CFLAGS -fsanitize=address,undefined -fno-omit-frame-pointer"
 501  ])])
 502
 503
 504 extra_logging=GNUNET_NO
 505 AC_ARG_ENABLE([logging],
 506    AS_HELP_STRING([--enable-logging@<:@=value@:>@],[Enable logging calls. Possible values: yes,no,verbose,veryverbose ('yes' is the default)]),
 507    [AS_IF([test "x$enableval" = "xyes"], [],
 508           [test "x$enableval" = "xno"], [AC_DEFINE([GNUNET_CULL_LOGGING],[],[Define to cull all logging calls])],
 509           [test "x$enableval" = "xverbose"], [extra_logging=GNUNET_YES]
 510           [test "x$enableval" = "xveryverbose"], [extra_logging=\(GNUNET_YES+1\)])
 511    ], [])
 512 AC_DEFINE_UNQUOTED([GNUNET_EXTRA_LOGGING],[$extra_logging],[1 if extra logging is enabled, 2 for very verbose extra logging, 0 otherwise])
 513
 514 # should memory poisoning be enabled?
 515 AC_MSG_CHECKING(whether to poison freed memory)
 516 AC_ARG_ENABLE([poisoning],
 517    [AS_HELP_STRING([--enable-poisoning], [enable poisoning of freed memory (good for debugging)])],
 518    [enable_poisoning=${enableval}],
 519    [
 520      AS_IF([test "x$extra_logging" != "xGNUNET_NO"],
 521        [enable_poisoning="defaults to yes (extra logging is enabled)"],
 522        [enable_poisoning=no])
 523    ])
 524 AC_MSG_RESULT($enable_poisoning)
 525 AS_IF([test ! "x$enable_poisoning" = "xno"],
 526   [enable_poisoning=1],
 527   [enable_poisoning=0])
 528 AC_DEFINE_UNQUOTED([ENABLE_POISONING],[$enable_poisoning],[1 if freed memory should be poisoned, 0 otherwise])
 529
 530 AS_IF([test $build = $target],
 531 [
 532 AC_MSG_CHECKING([for working HMAC])
 533 AC_LANG_PUSH(C)
 534 LIBS="$LIBS $LIBGCRYPT_LIBS"
 535 CFLAGS="$CFLAGS $LIBGCRYPT_CFLAGS"
 536 AC_RUN_IFELSE(
 537   [AC_LANG_PROGRAM([#include <gcrypt.h>
 538         #include <stdio.h>], [[
 539         gcry_md_hd_t mac;
 540
 541         unsigned char data[] = { 0xbf, 0x16, 0x6e, 0x46, 0x3a, 0x6c, 0xf3, 0x93, 0xa7, 0x72,
 542             0x11, 0xa1, 0xdc, 0x0b, 0x07, 0xdb, 0x1a, 0x5e, 0xd9, 0xb9, 0x81, 0xbe,
 543             0xea, 0xe4, 0x31, 0x5f, 0x24, 0xff, 0xfe, 0x50, 0x8a, 0xde };
 544         unsigned char key[] = { 0xfc, 0x62, 0x76, 0x35 };
 545         unsigned char result[] = {0xa2, 0xb, 0x1, 0xd9, 0xc0, 0x8b, 0x5a, 0x12, 0x80,
 546             0xd5, 0x50, 0x12, 0x8e, 0xd0, 0x5b, 0xb6, 0x5c, 0x87, 0x24, 0xe2, 0xd0,
 547             0xd2, 0xaf, 0x63, 0xae, 0xd1, 0xd6, 0x64, 0x14, 0xe3, 0x6e, 0x61, 0x5b,
 548             0xd, 0xba, 0x17, 0x7d, 0xd3, 0x10, 0xb1, 0x37, 0x41, 0x91, 0x7d, 0xeb,
 549             0x1, 0x4d, 0x71, 0xe8, 0x59, 0x71, 0x42, 0x8e, 0xd6, 0xf3, 0x29, 0x3b,
 550             0x90, 0xf2, 0xd1, 0xaf, 0x65, 0x1e, 0xb3};
 551
 552         if (!gcry_check_version (GCRYPT_VERSION))
 553         {
 554           fprintf (stderr, "Version mismatch %s <-> %s \n", gcry_check_version (NULL), GCRYPT_VERSION);
 555           return 1;
 556         }
 557
 558         gcry_control (GCRYCTL_DISABLE_SECMEM, 0);
 559         gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
 560
 561         if (gcry_md_open(&mac, GCRY_MD_SHA512, GCRY_MD_FLAG_HMAC) != GPG_ERR_NO_ERROR)
 562         {
 563           fprintf (stderr, "gcry_md_open error\n");
 564           return 2;
 565         }
 566
 567         gcry_md_setkey (mac, key, sizeof (key));
 568         gcry_md_write (mac, data, sizeof (data));
 569
 570         if (memcmp(gcry_md_read (mac, 0), result, gcry_md_get_algo_dlen (gcry_md_get_algo (mac))) != 0)
 571         {
 572           fprintf (stderr, "memcmp error\n");
 573           return 3;
 574         }
 575
 576         gcry_md_close (mac);
 577
 578         return 0;
 579     ]])],
 580   [AC_MSG_RESULT([yes])],
 581   [
 582    RESULT=$?
 583    if test $RESULT = 3
 584    then
 585      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.])
 586    fi
 587    if test $RESULT = 2
 588    then
 589      AC_MSG_FAILURE([HMAC test failed])
 590    fi
 591    if test $RESULT = 1
 592    then
 593      AC_MSG_FAILURE([libgcrypt header version does not match library version])
 594    fi
 595   ],
 596   [AC_MSG_RESULT([cross compiling, test skipped])])
 597 AC_LANG_POP(C)
 598 ])      # $build = $target
 599
 600 # check for bluetooth library
 601 bluetooth=0
 602 CHECK_LIBHEADER(BLUETOOTH, bluetooth, ba2str, bluetooth/bluetooth.h,bluetooth=1,)
 603 AM_CONDITIONAL(HAVE_LIBBLUETOOTH, [test "$bluetooth" = 1])
 604 AS_IF([test "$bluetooth" = 1],
 605  [AC_DEFINE([HAVE_LIBBLUETOOTH],[1],[Have bluetooth library])],
 606  [AC_DEFINE([HAVE_LIBBLUETOOTH],[0],[Lacking bluetooth library])])
 607
 608 # check for zbar library
 609 zbar=0
 610 AC_MSG_CHECKING(for libzbar)
 611 AC_ARG_WITH(zbar,
 612    [  --with-zbar=PREFIX (base of libzbar installation)],
 613    [AC_MSG_RESULT([$with_zbar])
 614     AS_CASE([$with_zbar],
 615       [no],[],
 616       [yes],[CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)],
 617       [
 618         LDFLAGS="-L$with_zbar/lib $LDFLAGS"
 619         CPPFLAGS="-I$with_zbar/include $CPPFLAGS"
 620         AC_CHECK_HEADERS(zbar.h,
 621           AC_CHECK_LIB([zbar], [zbar_processor_create],
 622             EXT_LIB_PATH="-L$with_zbar/lib $EXT_LIB_PATH"
 623             zbar=1))
 624        ])
 625    ],
 626    [AC_MSG_RESULT([--with-zbar not specified])
 627     CHECK_LIBHEADER(ZBAR, zbar, zbar_processor_create, zbar.h,zbar=1,,)])
 628 AM_CONDITIONAL(HAVE_ZBAR, [test "$zbar" = 1])
 629 AS_IF([test "x$zbar" = x1],
 630       [AC_DEFINE([HAVE_ZBAR],[1],[Have zbar library])],
 631       [AC_DEFINE([HAVE_ZBAR],[0],[Lacking zbar library])])
 632
 633 # check for jansson library
 634 jansson=0
 635 AC_MSG_CHECKING(for libjansson)
 636 AC_ARG_WITH(jansson,
 637    [  --with-jansson=PREFIX (base of libjansson installation)],
 638    [AC_MSG_RESULT([$with_jansson])
 639     AS_CASE([$with_jansson],
 640       [no],[],
 641       [yes],[
 642         CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)
 643       ],[
 644         LDFLAGS="-L$with_jansson/lib $LDFLAGS"
 645         CPPFLAGS="-I$with_jansson/include $CPPFLAGS"
 646         AC_CHECK_HEADERS(jansson.h,
 647           AC_CHECK_LIB([jansson], [json_loads],
 648             EXT_LIB_PATH="-L$with_jansson/lib $EXT_LIB_PATH"
 649             jansson=1))
 650       ])
 651    ],
 652    [AC_MSG_RESULT([--with-jansson not specified])
 653     CHECK_LIBHEADER(JANSSON, jansson, json_loads, jansson.h,jansson=1,)])
 654 AM_CONDITIONAL(HAVE_JANSSON, [test "$jansson" = 1])
 655 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
 656 AS_IF([test "x$jansson" = x1],
 657       [AC_DEFINE([HAVE_JANSSON],[1],[Have jansson library])],
 658       [AC_DEFINE([HAVE_JANSSON],[0],[Lacking jansson library])])
 659
 660
 661 # check for libpulse(audio) library
 662 pulse=0
 663 libpulse_msg="no"
 664 CHECK_LIBHEADER(LIBPULSE, pulse, pa_stream_peek, pulse/simple.h,pulse=1,)
 665 AS_IF([test "$pulse" = 1],
 666       [AC_DEFINE([HAVE_PULSE],[1],[Have libpulse(audio) library])
 667        libpulse_msg="yes"])
 668
 669 # check for libopus(audio) library
 670 opus=0
 671 libopus_msg="no"
 672 CHECK_LIBHEADER(LIBOPUS,
 673                 opus,
 674                 opus_decode_float,
 675                 opus/opus.h,
 676                 AC_CHECK_DECL([OPUS_SET_GAIN],[opus=1],[],[[#include <opus/opus.h>]]))
 677 AS_IF([test "x$opus" = x1],
 678       [AC_DEFINE([HAVE_OPUS],[1],[Have libopus library])
 679        libopus_msg="yes"])
 680
 681 # libogg
 682 AC_CHECK_LIB(ogg, ogg_stream_flush_fill,
 683         [AC_CHECK_HEADERS([ogg/ogg.h],
 684           AM_CONDITIONAL(HAVE_OGG, true)
 685           ogg=1
 686           AC_DEFINE(HAVE_OGG,1,[Have ogg]),
 687           AM_CONDITIONAL(HAVE_OGG, false)
 688           ogg=0
 689           AC_DEFINE(HAVE_OGG,0,[lacking ogg]))],
 690         AM_CONDITIONAL(HAVE_OGG, false)
 691         ogg=0)
 692
 693
 694 PKG_CHECK_MODULES([GLIB],
 695                   [glib-2.0],
 696   [# check for pbc library
 697   pbc=0
 698    AC_CHECK_HEADER([pbc/pbc.h],pbc=1)
 699    AC_CHECK_HEADER([gabe.h],abe=1)
 700    AM_CONDITIONAL(HAVE_PBC, [test "x$pbc" = x1])
 701    AM_CONDITIONAL(HAVE_ABE, [test "x$abe" = x1])
 702    AS_IF([test "x$pbc" = x1],
 703      [AC_DEFINE([HAVE_PBC],[1],[Have pbc library])],
 704      [AC_DEFINE([HAVE_PBC],[0],[Lacking pbc library])])
 705    AS_IF([test "x$abe" = x1],
 706     [AC_DEFINE([HAVE_ABE],[1],[Have ABE library])],
 707     [AC_DEFINE([HAVE_ABE],[0],[Lacking ABE library])])],
 708   [# glib-2 not found
 709    AM_CONDITIONAL(HAVE_PBC, [false])
 710    AM_CONDITIONAL(HAVE_ABE, [false])
 711    AC_DEFINE([HAVE_PBC],[0],[Lacking glib library])])
 712
 713 gst=0
 714 gstreamer_msg="no"
 715 PKG_CHECK_MODULES(
 716   [GST],
 717   [glib-2.0 gobject-2.0 gstreamer-1.0 gstreamer-app-1.0 gstreamer-audio-1.0],
 718   [gst=1
 719    gstreamer_msg="yes"],
 720   [gst=0])
 721
 722 # Pulse Audio
 723 AS_IF([test "x$pulse" != "x1" -o "x$opus" != "x1" -o "x$ogg" != "x1"],[
 724  AS_IF([test "x$gst" != "x1"],[
 725   conversation_backend=none
 726   AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 727   AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 728   AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 729  ],[
 730    conversation_backend=gst
 731    AM_CONDITIONAL(BUILD_PULSE_HELPERS, false)
 732    AM_CONDITIONAL(BUILD_GST_HELPERS, true)
 733    AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 734  ])
 735 ],[
 736  conversation_backend=pulse
 737  AM_CONDITIONAL(BUILD_PULSE_HELPERS, true)
 738  AM_CONDITIONAL(BUILD_GST_HELPERS, false)
 739  AM_CONDITIONAL(BUILD_EXPERIMENTAL_HELPERS, false)
 740 ])
 741
 742 AS_IF([test "x$conversation_backend" = "xnone"],
 743       AM_CONDITIONAL(BUILD_CONVERSATION, false),
 744       AM_CONDITIONAL(BUILD_CONVERSATION, true))
 745
 746 # libgnurl
 747 LIBGNURL_CHECK_CONFIG(,7.34.0,gnurl=1,gnurl=0)
 748
 749 SAVE_CPPFLAGS=$CPPFLAGS
 750 CPPFLAGS="$LIBGNURL_CPPFLAGS $LIBCURL_CPPFLAGS $CPPFLAGS"
 751 LIBS="$LIBGNURL $LIBCURL $LIBS"
 752
 753 # libcurl-gnutls
 754 LIBCURL_CHECK_CONFIG(,7.34.0,[curl=true],[curl=false])
 755 AS_IF([test "x$curl" = xtrue],[
 756  AC_CHECK_HEADER([curl/curl.h],
 757   AC_CHECK_DECLS(CURLINFO_TLS_SESSION,[curl=true],[curl=false],[[#include <curl/curl.h>]]),
 758   [curl=false])
 759  # need libcurl-gnutls.so, everything else is not acceptable
 760  AC_CHECK_LIB([curl-gnutls],[curl_easy_getinfo],,[curl=false])
 761  # cURL must support CURLINFO_TLS_SESSION, version >= 7.34
 762 ])
 763
 764 # libcurl and libgnurl should be mutually exclusive
 765 AS_IF([test "$gnurl" = 1],
 766       [AM_CONDITIONAL(HAVE_LIBGNURL, true)
 767        AC_DEFINE([HAVE_LIBGNURL],[1],[Have libgnurl])
 768        AM_CONDITIONAL(HAVE_LIBCURL, false)
 769        AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])],
 770       [AS_IF([test "$curl" = true],
 771              [AM_CONDITIONAL(HAVE_LIBGNURL, false)
 772               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
 773               AM_CONDITIONAL(HAVE_LIBCURL, true)
 774               AC_DEFINE([HAVE_LIBCURL],[1],[Have libcurl])],
 775              [AC_MSG_WARN([ERROR: GNUnet requires libcurl-gnutls or gnurl >= 7.34])
 776               AM_CONDITIONAL(HAVE_LIBGNURL, false)
 777               AC_DEFINE([HAVE_LIBGNURL],[0],[Lacking libgnurl])
 778               AM_CONDITIONAL(HAVE_LIBCURL, false)
 779               AC_DEFINE([HAVE_LIBCURL],[0],[Lacking libcurl])])])
 780
 781 AC_SEARCH_LIBS(__atomic_load_8, atomic, [have_libatomic=1 AC_DEFINE(HAVE_LIBATOMIC,1,[external libatomic])])
 782 AM_CONDITIONAL(HAVE_LIBATOMIC, [test "$have_libatomic" = 1])
 783
 784 # restore LIBS & CPPFLAGS
 785 LIBS=$SAVE_LIBS
 786 CPPFLAGS=$SAVE_CPPFLAGS
 787
 788 AC_CHECK_HEADERS([glpk.h],[glpk=true],[glpk=false])
 789 # GLPK must support glpk_init_env, version >= 4.43
 790 AC_CHECK_LIB([glpk],[glp_init_env],,[glpk=false])
 791 # GLPK must support atm MLP presolving, version >= 4.32
 792 AC_CHECK_MEMBERS(glp_iocp.presolve,,[glpk=false],[[#include <glpk.h>]])
 793 AS_IF([test "x$glpk" = xfalse],
 794 [
 795         AM_CONDITIONAL(HAVE_LIBGLPK, false)
 796         AC_MSG_WARN([ERROR: GNUnet requires GLPK  >= 4.32])
 797 ],[
 798         AM_CONDITIONAL(HAVE_LIBGLPK, true)
 799         AC_DEFINE([HAVE_LIBGLPK],[1],[Have GLPK])
 800 ])
 801
 802
 803 AC_CHECK_HEADERS([nss.h],[nss=true],[nss=false])
 804 AS_IF([test x$nss = xfalse],
 805   [
 806         AM_CONDITIONAL(HAVE_GLIBCNSS, false)
 807         AC_MSG_WARN([No GNU libc nss header, will not build NSS plugin])
 808   ],[
 809         NSS_INCLUDES="
 810         #include <nss.h>
 811         "
 812         AC_CHECK_DECL([NSS_STATUS_UNAVAIL],
 813                 [AM_CONDITIONAL(HAVE_GLIBCNSS, true)],
 814                 [AM_CONDITIONAL(HAVE_GLIBCNSS, false)
 815                  AC_MSG_WARN([No nss header fails to define NSS_STATUS_UNAVAIl, will not build NSS plugin])],
 816                 [$NSS_INCLUDES])
 817 ])
 818
 819
 820
 821 # test for kvm and kstat (for CPU stats under BSD/Solaris)
 822 AC_CHECK_LIB([kvm],[kvm_open])
 823 AC_CHECK_LIB([kstat],[kstat_open])
 824
 825
 826 # should the build process be restricted to the code required
 827 # for GNU Taler wallets?
 828 AC_MSG_CHECKING(whether to compile GNU Taler Wallet library ONLY)
 829 AC_ARG_ENABLE([taler-wallet],
 830    [AS_HELP_STRING([--enable-taler-wallet], [only compile for Taler wallet])],
 831    [taler_only=${enableval}],
 832    [taler_only=no])
 833 AC_MSG_RESULT($taler_only)
 834 AS_IF([test "x$taler_only" = "xyes"],
 835 [
 836   AM_CONDITIONAL([TALER_ONLY],true)
 837   AC_DEFINE([TALER_WALLET_ONLY],[1],[Compiling for Taler wallet])
 838 ],[
 839   AM_CONDITIONAL([TALER_ONLY],false)
 840   AC_DEFINE([TALER_WALLET_ONLY],[0],[Canonical compilation])
 841 ])
 842
 843 # test for libextractor
 844 extractor=0
 845 AC_MSG_CHECKING(for libextractor)
 846 AC_ARG_WITH(extractor,
 847    [  --with-extractor=PREFIX (base of libextractor installation)],
 848    [AC_MSG_RESULT([$with_extractor])
 849     AS_CASE([$with_extractor],
 850       [no],[],
 851       [yes],[
 852         AC_CHECK_HEADERS([extractor.h],
 853           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
 854             extractor=1))
 855       ],[
 856         LDFLAGS="-L$with_extractor/lib $LDFLAGS"
 857         CPPFLAGS="-I$with_extractor/include $CPPFLAGS"
 858         AC_CHECK_HEADERS([extractor.h],
 859           AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
 860             EXT_LIB_PATH="-L$with_extractor/lib $EXT_LIB_PATH"
 861             extractor=1))
 862       ])
 863    ],
 864    [AC_MSG_RESULT([--with-extractor not specified])
 865     AC_CHECK_HEADERS([extractor.h],
 866      AC_CHECK_LIB([extractor], [EXTRACTOR_plugin_add_defaults],
 867       extractor=1))])
 868 # restore LIBS
 869 LIBS=$SAVE_LIBS
 870
 871 AS_IF([test "$extractor" != 1],
 872  [
 873  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, false)
 874  AC_DEFINE([HAVE_LIBEXTRACTOR],[0],[Lacking libextractor])
 875  ],[
 876  AM_CONDITIONAL(HAVE_LIBEXTRACTOR, true)
 877  AC_DEFINE([HAVE_LIBEXTRACTOR],[1],[Have libextractor])
 878  ])
 879
 880
 881 AS_IF([test "$taler_only" != yes],[
 882
 883
 884 # Check for libltdl header (#2999)
 885 ltdl=0
 886 AC_MSG_CHECKING(for libltdl)
 887 AC_ARG_WITH(ltdl,
 888    [AS_HELP_STRING([--with-ltdl=PREFIX],[base of libltdl installation])],
 889    [AC_MSG_RESULT([$with_ltdl])
 890     AS_CASE([$with_ltdl],
 891       [no],[],
 892       [yes],[
 893         AC_CHECK_HEADERS(ltdl.h,
 894           AC_CHECK_LIB([ltdl], [lt_dlopenext],
 895             ltdl=1))
 896       ],[
 897         LDFLAGS="-L$with_ltdl/lib $LDFLAGS"
 898         CPPFLAGS="-I$with_ltdl/include $CPPFLAGS"
 899         AC_CHECK_HEADERS(ltdl.h,
 900           AC_CHECK_LIB([ltdl], [lt_dlopenext],
 901             EXT_LIB_PATH="-L$with_ltdl/lib $EXT_LIB_PATH"
 902             ltdl=1))
 903       ])
 904    ],
 905    [AC_MSG_RESULT([--with-ltdl not specified])
 906     AC_CHECK_HEADERS(ltdl.h,
 907      AC_CHECK_LIB([ltdl], [lt_dlopenext],
 908       ltdl=1))])
 909 AS_IF([test x$ltdl = x1],
 910 [
 911  AC_MSG_RESULT([libltdl found])
 912 ],[
 913  AC_MSG_ERROR([GNUnet requires libltdl (from GNU libtool), try installing libltdl-dev])
 914 ])
 915 # restore LIBS
 916 LIBS=$SAVE_LIBS
 917
 918 # libidn and libidn2. The ideal goal is this:
 919 # check for libidn2, if it doesn't exist check for libidn
 920 # if both exist, prefer libidn2
 921 # if none exist, fail and message that libidn or libidn2
 922 # is required with a preference for libidn2.
 923 # TODO: What we have right here can probably be improved.
 924 my_with_libidn=1
 925 AC_ARG_WITH(libidn,
 926             AS_HELP_STRING([--with-libidn=pathname],
 927                            [Support IDN (needs libidn)]),
 928             [],
 929             [withval="yes"])
 930 AS_IF([test x_$withval = x_yes],
 931       [AC_CHECK_HEADERS([idna.h],
 932           AC_MSG_NOTICE([Found idna.h]),
 933           AC_CHECK_HEADERS([idn/idna.h],
 934                AC_MSG_NOTICE([Found idn/idna.h]),
 935                my_with_libidn=0))],
 936       [AS_IF([test x_$withval != x_no],
 937              [CFLAGS="$CFLAGS -I$withval/include"
 938               LDFLAGS="$LDFLAGS -L$withval/lib"
 939               AC_CHECK_HEADERS([idna.h],
 940                 AC_MSG_NOTICE([Found idna.h]),
 941                 [AC_MSG_NOTICE([Failed to find idna.h])
 942                  my_with_libidn=0])],
 943              [my_with_libidn=0])])
 944
 945 my_with_libidn2=1
 946 AC_ARG_WITH(libidn2,
 947             AS_HELP_STRING([--with-libidn2=pathname],
 948                            [Support IDN (needs libidn2)]),
 949             [],
 950             [withval="yes"])
 951 AS_IF([test x_$withval = x_yes],
 952       [AC_CHECK_HEADERS([idn2.h],
 953        AC_MSG_NOTICE([Found idn2.h]),
 954        AC_CHECK_HEADERS([idn2/idn2.h],
 955           AC_MSG_NOTICE([Found idn2/idn2.h]),
 956           [AC_MSG_NOTICE([Failed to find idn2.h])
 957            my_with_libidn2=0]))],
 958       [AS_IF([test x_$withval != x_no],
 959              [CFLAGS="$CFLAGS -I$withval/include"
 960               LDFLAGS="$LDFLAGS -L$withval/lib"],
 961              [my_with_libidn2=0])])
 962
 963 AC_MSG_CHECKING([if libidn can be used])
 964 # Check for LIBIDNs
 965 there_can_only_be_one=1
 966
 967 working_libidn1=0
 968 working_libidn2=0
 969 AS_IF([test x$my_with_libidn2 = x1],
 970       [AC_MSG_NOTICE([Checking for libidn2])
 971        AC_CHECK_LIB([idn2],
 972                     [idn2_to_unicode_8z8z],
 973                     [working_libidn2=1
 974                     LIBS="-lidn2 $LIBS"
 975                     AC_DEFINE_UNQUOTED([HAVE_LIBIDN2],
 976                                        [1],
 977                                        [Define to 1 if you have 'libidn2' (-lidn2).])],
 978                     [MISSING_DEPS="${MISSING_DEPS}${MISSING_SEP}libidn2"
 979                      MISSING_SEP=", "])])
 980 AM_CONDITIONAL(HAVE_LIBIDN2,
 981                test x$working_libidn2 = x1)
 982 AS_IF([test x$working_libidn2 = x0],
 983       [AS_IF([test x$my_with_libidn = x1],
 984              [AC_MSG_NOTICE([Checking for libidn])
 985               AC_CHECK_LIB([idn],
 986                            [idna_to_ascii_8z],
 987                            [working_libidn1=1
 988                            LIBS="-lidn $LIBS"
 989                            AC_DEFINE_UNQUOTED([HAVE_LIBIDN],
 990                                               [1],
 991                                               [Define to 1 if you have 'libidn' (-lidn).])],
 992                            [there_can_only_be_one=0])],
 993              [AS_IF([test x$my_with_libidn2 = x1],
 994                     [there_can_only_be_one=0
 995                      AC_MSG_FAILURE([* There can only be one libidn.
 996                                      * Provide either libidn >= 1.13
 997                                      * or
 998                                      * libidn2 to the configure
 999                                      * script via
1000                                      * --with-libidn2
1001                                      * --with-libidn])])])])
1002 AM_CONDITIONAL(HAVE_LIBIDN, test x$working_libidn1 = x1)
1003
1004 AS_IF([test "$working_libidn1" = 0 -a "$working_libidn2" = 0],
1005       [AC_MSG_ERROR([GNUnet requires libidn (or libidn2)])])
1006
1007 AS_IF([test x$there_can_only_be_one = x0],
1008       [AC_MSG_FAILURE([Missing dependencies: $MISSING_DEPS])])
1009
1010 # test for zlib
1011 SAVE_LDFLAGS=$LDFLAGS
1012 SAVE_CPPFLAGS=$CPPFLAGS
1013 AC_ARG_WITH(zlib,
1014             [  --with-zlib[[=DIR]]       use libz in DIR],
1015             [AS_IF([test "$withval" = "no"],
1016                    [AC_MSG_ERROR([GNUnet requires zlib])],
1017                    [test "$withval" != "yes"],
1018                    [Z_DIR=$withval
1019                     CPPFLAGS="${CPPFLAGS} -I$withval/include"
1020                     LDFLAGS="${LDFLAGS} -L$withval/lib"])])
1021 AC_CHECK_HEADER(zlib.h,
1022                 [],
1023                 [AC_MSG_ERROR([GNUnet requires zlib])])
1024 AC_CHECK_LIB(z,
1025              compress2,
1026              [AC_DEFINE([HAVE_ZLIB],
1027                         [],
1028                         [Have compression library])
1029               if test "x${Z_DIR}" != "x"; then
1030                       Z_CFLAGS="-I${Z_DIR}/include"
1031                       Z_LIBS="-L${Z_DIR}/lib -lz"
1032               else
1033                       Z_LIBS="-lz"
1034               fi],
1035               [AC_MSG_ERROR([GNUnet requires zlib])])
1036 AC_SUBST(Z_CFLAGS)
1037 AC_SUBST(Z_LIBS)
1038
1039 AS_IF([test "$enable_shared" = "no"],
1040       [AC_MSG_ERROR([GNUnet only works with shared libraries. Sorry.])])
1041
1042
1043 # restore LIBS
1044 LIBS=$SAVE_LIBS
1045
1046
1047 # end of taler-only being false
1048 ])
1049
1050
1051 # check for iconv
1052 AM_ICONV
1053
1054 # test for libunistring
1055 gl_LIBUNISTRING
1056 AS_IF([test $HAVE_LIBUNISTRING != yes],
1057       [AC_MSG_ERROR([GNUnet requires libunistring])])
1058
1059 # under emscripten, $gl_libunistring_hexversion is undefined
1060 if test "$taler_only" != yes; then
1061
1062 AS_IF([test "x$gl_libunistring_hexversion" = "x" || test "$gl_libunistring_hexversion" -le 2305],
1063       [AC_MSG_ERROR([GNUnet requires libunistring >= 0.9.1.1])])
1064 fi
1065 AC_CHECK_HEADERS([unistr.h],
1066                  ,
1067                  AC_MSG_ERROR([Compiling GNUnet requires unistr.h (from libunistring) to be installed]))
1068
1069 # restore LIBS
1070 LIBS=$SAVE_LIBS
1071
1072
1073
1074 # Checks for standard header files.
1075 AC_HEADER_DIRENT
1076 AC_HEADER_STDC
1077
1078 # Check for headers that are ALWAYS required
1079 AC_CHECK_HEADERS([fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h],,AC_MSG_ERROR([Compiling GNUnet requires standard UNIX headers files: fcntl.h math.h errno.h ctype.h limits.h stdio.h stdlib.h string.h unistd.h stdarg.h signal.h locale.h sys/stat.h sys/types.h]))
1080
1081
1082
1083 # Checks for headers that are only required on some systems or
1084 # opional (and where we do NOT abort if they are not there)
1085 AC_CHECK_HEADERS([stdatomic.h malloc.h malloc/malloc.h malloc/malloc_np.h langinfo.h sys/param.h sys/mount.h sys/statvfs.h sys/select.h sockLib.h sys/mman.h sys/msg.h sys/vfs.h arpa/inet.h fcntl.h libintl.h netdb.h netinet/in.h sys/ioctl.h sys/socket.h sys/time.h unistd.h kstat.h sys/sysinfo.h kvm.h sys/file.h sys/resource.h ifaddrs.h mach/mach.h stddef.h sys/timeb.h argz.h ucred.h sys/ucred.h endian.h sys/endian.h execinfo.h byteswap.h])
1086
1087 # FreeBSD requires this for netinet/in_systm.h and netinet/ip.h
1088 AC_CHECK_HEADERS([sys/types.h netinet/in_systm.h netinet/in.h netinet/ip.h],,,
1089 [#ifdef HAVE_SYS_TYPES_H
1090 #include <sys/types.h>
1091 #endif
1092 #ifdef HAVE_NETINET_IN_SYSTM_H
1093 #include <netinet/in_systm.h>
1094 #endif
1095 #ifdef HAVE_NETINET_IN_H
1096 #include <netinet/in.h>
1097 #endif
1098 ])
1099
1100 SAVE_LDFLAGS=$LDFLAGS
1101 SAVE_CPPFLAGS=$CPPFLAGS
1102
1103 # test for sqlite
1104 sqlite=false
1105 AC_MSG_CHECKING(for SQLite)
1106 AC_ARG_WITH(sqlite,
1107   [  --with-sqlite=PFX       base of SQLite installation],
1108   [AC_MSG_RESULT("$with_sqlite")
1109    AS_CASE([$with_sqlite],
1110      [no],[],
1111      [yes],[
1112       AC_CHECK_HEADERS(sqlite3.h,
1113       sqlite=true)],
1114      [
1115     LDFLAGS="-L$with_sqlite/lib $LDFLAGS"
1116     CPPFLAGS="-I$with_sqlite/include $CPPFLAGS"
1117     AC_CHECK_HEADERS(sqlite3.h,
1118      EXT_LIB_PATH="-L$with_sqlite/lib $EXT_LIB_PATH"
1119      SQLITE_LDFLAGS="-L$with_sqlite/lib"
1120      SQLITE_CPPFLAGS="-I$with_sqlite/include"
1121      sqlite=true)
1122     LDFLAGS=$SAVE_LDFLAGS
1123     CPPFLAGS=$SAVE_CPPFLAGS
1124     ])
1125   ],
1126   [AC_MSG_RESULT([--with-sqlite not specified])
1127     AC_CHECK_HEADERS(sqlite3.h, sqlite=true)])
1128 AM_CONDITIONAL(HAVE_SQLITE, test x$sqlite = xtrue)
1129 AC_SUBST(SQLITE_CPPFLAGS)
1130 AC_SUBST(SQLITE_LDFLAGS)
1131
1132 LDFLAGS=$SAVE_LDFLAGS
1133 CPPFLAGS=$SAVE_CPPFLAGS
1134
1135 # test for postgres
1136 postgres=false
1137 # even running the check for postgres breaks emscripten ...
1138 AS_IF([test "$taler_only" != yes],
1139       [AX_LIB_POSTGRESQL([9.5],
1140         [CPPFLAGS="$CPPFLAGS $POSTGRESQL_CPPFLAGS"
1141          AC_CHECK_HEADERS([libpq-fe.h],
1142          postgres=true)
1143         ],
1144         [AC_MSG_RESULT([no postgres])])])
1145 AM_CONDITIONAL(HAVE_POSTGRESQL, test x$postgres = xtrue)
1146
1147
1148 LDFLAGS=$SAVE_LDFLAGS
1149 CPPFLAGS=$SAVE_CPPFLAGS
1150
1151 # mysql & windows
1152 AC_CHECK_TYPES([sigset_t, off_t], [], [], [#include <sys/types.h>])
1153 AC_CHECK_TYPES([size_t], [], [], [#include <stdio.h>])
1154
1155 # test for mysql
1156 mysql=false
1157 mysqlfail=false
1158 SAVE_LDFLAGS=$LDFLAGS
1159 SAVE_CPPFLAGS=$CPPFLAGS
1160 AC_MSG_CHECKING(for mysql)
1161 AC_ARG_WITH(mysql,
1162   [  --with-mysql=PFX        base of MySQL installation],
1163   [AC_MSG_RESULT([$with_mysql])
1164    AS_CASE([$with_mysql],
1165      [no],[],
1166      [yes|""],[
1167       AC_CHECK_HEADERS(mysql/mysql.h,
1168        AC_CHECK_LIB(mysqlclient, mysql_init,
1169        mysql=true), [], [])
1170      ],[
1171       LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql $LDFLAGS $ZLIBS"
1172       CPPFLAGS="-I$with_mysql/include $CPPFLAGS"
1173       AC_CHECK_HEADERS(mysql/mysql.h,
1174        AC_CHECK_LIB(mysqlclient, mysql_init,
1175         MYSQL_LDFLAGS="-L$with_mysql/lib -L$with_mysql/lib/mysql"
1176         MYSQL_CPPFLAGS="-I$with_mysql/include"
1177
1178         mysql=true), [], [])
1179      ])
1180   ],
1181   [AC_MSG_RESULT([--with-mysql not specified])
1182    if test -d "/usr/lib64/mysql"; then
1183     MYSQL_LIBDIR="/usr/lib64/mysql"
1184    elif test -d "/usr/lib/mysql"; then
1185     MYSQL_LIBDIR="/usr/lib/mysql"
1186    else
1187     MYSQL_LIBDIR="/usr/lib"
1188    fi
1189    LDFLAGS="-L$MYSQL_LIBDIR $LDFLAGS $ZLIBS"
1190    AC_CHECK_LIB(mysqlclient, mysql_init,
1191     [AC_CHECK_HEADERS(mysql/mysql.h,
1192       MYSQL_LDFLAGS="-L$MYSQL_LIBDIR"
1193       mysql=true
1194
1195      , [], [])])
1196   ])
1197
1198 AC_SUBST(MYSQL_LDFLAGS)
1199 AC_SUBST(MYSQL_CPPFLAGS)
1200
1201 # additional version check for mysql
1202 AC_ARG_ENABLE(mysql-version-check, [  --disable-mysql-version-check  do not check MySQL version],, enable_mysql_version_check=yes)
1203 AS_IF([test "$mysql" = "true" -a "x$enable_mysql_version_check" = "xyes"],
1204  [
1205   AC_MSG_CHECKING(mysql version)
1206   AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1207     [[
1208       #include <mysql/mysql.h>]],
1209     [[
1210       #if (MYSQL_VERSION_ID < 40100)
1211       #error needs at least version >= 4.1
1212       #endif
1213       int main () { return 0; }
1214     ]])
1215     ],mysql=true,mysql=false)
1216   AS_IF([test "$mysql" = "false"],
1217    [
1218     mysqlfail=true
1219     AC_MSG_RESULT([fail, >= 4.1 required])
1220    ],[
1221     AC_MSG_RESULT(ok)
1222    ])
1223 ])
1224 AM_CONDITIONAL(HAVE_MYSQL, test x$mysql = xtrue)
1225 AM_CONDITIONAL(HAVE_MYSQLE, false)
1226 # restore LIBS
1227 LIBS=$SAVE_LIBS
1228 LDFLAGS=$SAVE_LDFLAGS
1229 CPPFLAGS=$SAVE_CPPFLAGS
1230
1231 AS_IF([test "$sqlite" = 0 -a "$mysql" = 0],
1232 [
1233  AC_MSG_ERROR([GNUnet requires SQLite or MySQL])
1234 ])
1235
1236 # libmicrohttpd
1237 lmhd=0
1238 m4_define([MHD_MODULE], [libmicrohttpd >= 0.9.63])
1239 AC_ARG_WITH(microhttpd,
1240    [AS_HELP_STRING([--with-microhttpd[[=PFX]]],
1241        [base of libmicrohttpd installation])],
1242    [],
1243    [with_microhttpd=check])
1244 AS_CASE([$with_microhttpd],
1245    [no], [],
1246    [yes], [PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])],
1247    [check], [PKG_CHECK_MODULES([MHD], [MHD_MODULE],
1248        [lmhd=1],
1249        [AC_MSG_WARN([Building without libmicrohttpd])])],
1250    [SAVE_PKG_CONFIG_PATH=$PKG_CONFIG_PATH
1251     PKG_CONFIG_PATH=$with_microhttpd/lib/pkgconfig
1252     export PKG_CONFIG_PATH
1253     PKG_CHECK_MODULES([MHD], [MHD_MODULE], [lmhd=1])
1254     PKG_CONFIG_PATH=$SAVE_PKG_CONFIG_PATH])
1255 AM_CONDITIONAL(HAVE_MHD, test x$lmhd = x1)
1256 AC_DEFINE_UNQUOTED([HAVE_MHD], $lmhd, [We have libmicrohttpd])
1257
1258 AM_CONDITIONAL(HAVE_JSON, [test x$jansson = x1])
1259
1260 # restore LIBS
1261 LIBS=$SAVE_LIBS
1262
1263 # check for gettext
1264 AM_GNU_GETTEXT([external])
1265 AM_GNU_GETTEXT_VERSION([0.18.1])
1266
1267 # Checks for standard typedefs, structures, and compiler characteristics.
1268 AC_TYPE_PID_T
1269 AC_TYPE_SIZE_T
1270 AC_TYPE_MODE_T
1271 AC_HEADER_TIME
1272 AC_HEADER_STAT
1273 AC_HEADER_STDBOOL
1274 AC_STRUCT_TM
1275
1276 AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
1277    [ AC_DEFINE(HAVE_SOCKADDR_IN_SIN_LEN, 1, [Do we have sockaddr_in.sin_len?])
1278    ],
1279    [],
1280    [
1281       #include <sys/types.h>
1282       #include <sys/socket.h>
1283       #include <netinet/in.h>
1284    ])
1285
1286 AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
1287                 [ AC_DEFINE(HAVE_SOCKADDR_UN_SUN_LEN,
1288                             1,
1289                             [Do we have sockaddr_un.sun_len?])],
1290                 [],
1291                 [
1292                 #include <sys/types.h>
1293                 #include <sys/socket.h>
1294                 #include <sys/un.h>
1295                 ])
1296
1297
1298
1299 # Checks for library functions.
1300 AC_FUNC_CLOSEDIR_VOID
1301 AC_FUNC_FORK
1302 AC_PROG_GCC_TRADITIONAL
1303 AC_FUNC_MEMCMP
1304 AC_FUNC_SELECT_ARGTYPES
1305 AC_FUNC_CHOWN
1306
1307 AC_TYPE_SIGNAL
1308 AC_FUNC_STAT
1309 AC_FUNC_STRFTIME
1310 AC_FUNC_VPRINTF
1311 AC_HEADER_SYS_WAIT
1312 AC_TYPE_OFF_T
1313 AC_TYPE_UID_T
1314 AC_CHECK_FUNCS([atoll stat64 strnlen mremap getrlimit setrlimit sysconf initgroups strndup gethostbyname2 getpeerucred getpeereid setresuid $funcstocheck getifaddrs freeifaddrs getresgid mallinfo malloc_size malloc_usable_size getrusage random srandom stat statfs statvfs wait4])
1315
1316 # restore LIBS
1317 LIBS=$SAVE_LIBS
1318
1319 GN_INTLINCL=""
1320 GN_LIBINTL="$LTLIBINTL"
1321 AC_ARG_ENABLE(framework,
1322               [AS_HELP_STRING([--enable-framework],[enable Mac OS X framework build helpers])],
1323               enable_framework_build=$enableval)
1324 AM_CONDITIONAL(WANT_FRAMEWORK,
1325                test x$enable_framework_build = xyes)
1326 AS_IF([test x$enable_framework_build = xyes],
1327       [AC_DEFINE([FRAMEWORK_BUILD],
1328                  1,
1329                  [Build a Mac OS X Framework])
1330       GN_INTLINCL='-I$(top_srcdir)/src/intlemu'
1331       GN_LIBINTL='$(top_builddir)/src/intlemu/libintlemu.la -framework CoreFoundation'
1332       AC_LIB_APPENDTOVAR([CPPFLAGS],
1333                          [$GN_INTLINCL])])
1334
1335 GN_LIB_LDFLAGS="-export-dynamic -no-undefined"
1336 GN_PLUGIN_LDFLAGS="-export-dynamic -avoid-version -module -no-undefined"
1337
1338 AC_SUBST(GN_LIB_LDFLAGS)
1339 AC_SUBST(GN_PLUGIN_LDFLAGS)
1340 AC_SUBST(GN_INTLINCL)
1341 AC_SUBST(GN_LIBINTL)
1342
1343 AC_SUBST(CPPFLAGS)
1344 AC_SUBST(LIBS)
1345 AC_SUBST(LDFLAGS)
1346 AC_SUBST(EXT_LIB_PATH)
1347 AC_SUBST(EXT_LIBS)
1348
1349 AC_SUBST(LIBPREFIX)
1350 AC_SUBST(DLLDIR)
1351 AC_SUBST(EXT_LIB_PATH)
1352
1353 DATAROOTDIR=$datarootdir
1354 AC_SUBST(DATAROOTDIR)
1355
1356 # test for sudo
1357 # TODO: do we need to change anything for "doas" on openbsd?
1358 AC_MSG_CHECKING(for sudo)
1359 AC_ARG_WITH(sudo,
1360             [  --with-sudo=PATH       path to sudo binary (or just yes)],
1361             [AC_MSG_RESULT("$with_sudo")
1362              AS_CASE([$with_sudo],
1363                      [no],[SUDO_BINARY=],
1364                      [yes],[SUDO_BINARY=sudo],
1365                      [SUDO_BINARY=$with_sudo])],
1366             [AC_MSG_RESULT([no])])
1367 AC_SUBST(SUDO_BINARY)
1368 AM_CONDITIONAL([HAVE_SUDO],
1369                [test "x$SUDO_BINARY" != "x" -o -w /])
1370
1371
1372 # test for gnunetdns group name
1373 GNUNETDNS_GROUP=gnunetdns
1374 AC_MSG_CHECKING(for gnunetdns group name)
1375 AC_ARG_WITH(gnunetdns,
1376             [  --with-gnunetdns=GRPNAME       name for gnunetdns group],
1377             [AC_MSG_RESULT("$with_gnunetdns")
1378              AS_CASE([$with_gnunetdns],
1379                      [no],[GNUNETDNS_GROUP=gnunet],
1380                      [yes],[GNUNETDNS_GROUP=gnunetdns],
1381                      [GNUNETDNS_GROUP=$with_gnunetdns])],
1382             [AC_MSG_RESULT([gnunetdns])])
1383 AC_SUBST(GNUNETDNS_GROUP)
1384
1385
1386
1387 # gnutls
1388 gnutls=0
1389 gnutls_dane=0
1390 AC_MSG_CHECKING(for gnutls)
1391 AC_ARG_WITH(gnutls,
1392             [  --with-gnutls=PFX   base of gnutls installation],
1393             [AC_MSG_RESULT([$with_gnutls])
1394              AS_CASE([$with_gnutls],
1395                      [no],[],
1396                      [yes],
1397                      [AC_CHECK_HEADERS([gnutls/abstract.h],
1398                                        AC_CHECK_LIB([gnutls],
1399                                                     [gnutls_priority_set],
1400                                                     gnutls=true))
1401                       AC_CHECK_HEADERS([gnutls/dane.h],
1402                                        AC_CHECK_LIB([gnutls-dane],
1403                                                     [dane_verify_crt_raw],
1404                                                     gnutls_dane=1))],
1405
1406         [LDFLAGS="-L$with_gnutls/lib $LDFLAGS"
1407         CPPFLAGS="-I$with_gnutls/include $CPPFLAGS"
1408         AC_CHECK_HEADERS([gnutls/abstract.h],
1409             AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1410               EXT_LIB_PATH="-L$with_gnutls/lib $EXT_LIB_PATH"
1411               gnutls=true))
1412         AC_CHECK_HEADERS([gnutls/dane.h],
1413             AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1414               gnutls_dane=1))
1415       ])
1416    ],
1417    [AC_MSG_RESULT([--with-gnutls not specified])
1418     AC_CHECK_HEADERS([gnutls/abstract.h],
1419         AC_CHECK_LIB([gnutls], [gnutls_priority_set],
1420           gnutls=true))
1421     AC_CHECK_HEADERS([gnutls/dane.h],
1422         AC_CHECK_LIB([gnutls-dane], [dane_verify_crt_raw],
1423                      gnutls_dane=1))
1424    ])
1425 AM_CONDITIONAL(HAVE_GNUTLS, test x$gnutls = xtrue)
1426 AC_DEFINE_UNQUOTED([HAVE_GNUTLS], $gnutls, [We have GnuTLS])
1427 AM_CONDITIONAL(HAVE_GNUTLS_DANE, test x$gnutls_dane = x1)
1428 AC_DEFINE_UNQUOTED([HAVE_GNUTLS_DANE], $gnutls_dane, [We have GnuTLS with DANE support])
1429
1430
1431
1432 # Test if we are building for superMUC
1433 AC_MSG_CHECKING(if GNUnet is being configured to run on the SuperMUC)
1434 AC_ARG_ENABLE([supermuc],
1435     [AS_HELP_STRING([--enable-supermuc],
1436        [build GNUnet with support to run on the SuperMUC (default is NO)])],
1437     [AS_IF([test "x$enable_supermuc" = "xno"],
1438       [supermuc=0],
1439       [supermuc=1])],
1440     [supermuc=0
1441      enable_supermuc=no])
1442 AC_MSG_RESULT($enable_SUPERMUC)
1443 AM_CONDITIONAL([ENABLE_SUPERMUC], [test "x$supermuc" = "x1"])
1444 AC_DEFINE_UNQUOTED([ENABLE_SUPERMUC], [$supermuc], [Build with support for SuperMUC])
1445
1446 # Check if NSE has to send timestamp information to testbed logger for
1447 # generating histogram of messages received
1448 AC_MSG_CHECKING(if NSE has to send timestamp information to testbed logger)
1449 AC_ARG_ENABLE([nse-histogram],
1450     [AS_HELP_STRING([--enable-nse-histogram],
1451        [have NSE send timestamp information to testbed logger for generating
1452        histogram of received messages.  NOT useful for production (default is
1453        NO)])],
1454     [AS_IF([test "x$enableval" = "xno"],
1455       [nse_histogram=0],
1456       [nse_histogram=1])],
1457     [nse_histogram=0
1458      enable_nse_histogram=no])
1459 AC_MSG_RESULT($enable_nse_histogram)
1460 AM_CONDITIONAL([ENABLE_NSE_HISTOGRAM], [test "x$nse_histogram" = "x1"])
1461 AC_DEFINE_UNQUOTED([ENABLE_NSE_HISTOGRAM], [$nse_histogram],
1462                    [have NSE send timestamp information to testbed logger])
1463
1464 # should 'make check' run tests?
1465 AC_MSG_CHECKING(whether to run tests)
1466 AC_ARG_ENABLE([testruns],
1467    [AS_HELP_STRING([--disable-testruns], [disable running tests on make check (default is YES)])],
1468    [enable_tests_run=${enableval}],
1469    [enable_tests_run=yes])
1470 AC_MSG_RESULT($enable_test_run)
1471 AM_CONDITIONAL([ENABLE_TEST_RUN], [test "x$enable_tests_run" = "xyes"])
1472
1473
1474 AC_MSG_CHECKING([whether to compile in benchmarks (currently for http and crypto)])
1475 AC_ARG_ENABLE([benchmark],
1476    [AS_HELP_STRING([--enable-benchmark], [enable benchmarking])],
1477    [enable_benchmark=${enableval}],
1478    [enable_benchmark=no])
1479 AC_MSG_RESULT($enable_benchmark)
1480 AS_IF([test "x$enable_benchmark" = "xyes"],
1481       [AC_DEFINE_UNQUOTED(ENABLE_BENCHMARK,1,[Benchmarks are enabled])])
1482 AM_CONDITIONAL([ENABLE_BENCHMARK], [test "x$enable_benchmark" = "xyes"])
1483
1484
1485 # should expensive tests be run?
1486 AC_MSG_CHECKING(whether to run expensive tests)
1487 AC_ARG_ENABLE([expensivetests],
1488    [AS_HELP_STRING([--enable-expensivetests], [enable running expensive testcases])],
1489    [enable_expensive=${enableval}],
1490    [enable_expensive=no])
1491 AC_MSG_RESULT($enable_expensive)
1492 AM_CONDITIONAL([HAVE_EXPENSIVE_TESTS], [test "x$enable_expensive" = "xyes"])
1493
1494 # should ports be open for Java services?
1495 AC_MSG_CHECKING(whether to enable ports for gnunet-java)
1496 AC_ARG_ENABLE([javaports],
1497    [AS_HELP_STRING([--enable-javaports], [use non-zero ports for services with Java bindings (default is NO)])],
1498    [enable_java_ports=${enableval}],
1499    [enable_java_ports=no])
1500 AC_MSG_RESULT($enable_java_ports)
1501 AS_IF([test "x$enable_java_ports" = "xyes"],
1502  [JAVAPORT=""],
1503  [JAVAPORT="$UNIXONLY"])
1504 AC_SUBST(JAVAPORT)
1505
1506 # should benchmarks be run?
1507 AC_MSG_CHECKING(whether to run benchmarks during make check)
1508 AC_ARG_ENABLE([benchmarks],
1509    [AS_HELP_STRING([--enable-benchmarks], [enable running benchmarks during make check])],
1510    [enable_benchmarks=${enableval}],
1511    [enable_benchmarks=no])
1512 AC_MSG_RESULT($enable_benchmarks)
1513 AM_CONDITIONAL([HAVE_BENCHMARKS], [test "x$enable_benchmarks" = "xyes"])
1514
1515 # should gnunet-testing be compiled
1516 AC_MSG_CHECKING(wether to compile gnunet-testing)
1517 AC_ARG_ENABLE([testing],
1518    [AS_HELP_STRING([--disable-testing], [do not build gnunet-testing])],
1519    [enable_testing=${enableval}],
1520    [enable_testing=yes])
1521 AC_MSG_RESULT($enable_testing)
1522 AM_CONDITIONAL([HAVE_TESTING], [test "x$enable_testing" = "xyes"])
1523
1524 # should experimental code be compiled (code that may not yet compile)?
1525 AC_MSG_CHECKING(whether to compile experimental code)
1526 AC_ARG_ENABLE([experimental],
1527    [AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
1528    [enable_experimental=${enableval}],
1529    [enable_experimental=no])
1530 AC_MSG_RESULT($enable_experimental)
1531 AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
1532
1533 # should malicious code be compiled (should only be used for testing)?
1534 AC_MSG_CHECKING(whether to compile malicious code)
1535 AC_ARG_ENABLE([malicious],
1536    [AS_HELP_STRING([--enable-malicious], [enable compiling malicious code])],
1537    [AS_IF([test "x$enableval" = "xno"],
1538      [malicious=0],
1539      [malicious=1])],
1540    [malicious=0
1541     enable_malicious=no])
1542 AC_MSG_RESULT($enable_malicious)
1543 AM_CONDITIONAL([ENABLE_MALICIOUS], [test 1=$malicious])
1544 AC_DEFINE_UNQUOTED([ENABLE_MALICIOUS], [$malicious],
1545                    [enable compilation of malicious code])
1546
1547 # should services be started on demand when needed?
1548 # Some services may choose to never start by default
1549 # and it is up to the service/module developer to decide
1550 # by having "START_ON_DEMAND = NO" instead of
1551 # "START_ON_DEMAND = @START_ON_DEMAND@"
1552 # in the service/module's conf.in file.
1553 # See also IMMEDIATE_START for an unconditional immediate start.
1554 START_ON_DEMAND="YES"
1555 AC_MSG_CHECKING(whether to start peer's services on demand by default)
1556 AC_ARG_ENABLE([autostart],
1557    [AS_HELP_STRING([--disable-autostart], [do not start peer's services by default])],
1558    [enable_autostart=${enableval}
1559     AS_IF([test "x$enable_autostart" = "xno"],
1560       [START_ON_DEMAND="NO"])
1561    ],
1562    [enable_autostart=yes])
1563 AC_MSG_RESULT($enable_autostart)
1564 #AM_CONDITIONAL([HAVE_START_ON_DEMAND], [test "x$enable_autostart" = "xyes"])
1565 AC_SUBST(START_ON_DEMAND)
1566
1567 # should memory statistics be kept (very expensive CPU-wise!)
1568 AC_MSG_CHECKING(whether to create expensive statistics on memory use)
1569 AC_ARG_ENABLE([heapstats],
1570    [AS_HELP_STRING([--enable-heapstats], [enable expensive heap statistics])],
1571    [enable_heapstats=1],
1572    [enable_heapstats=0])
1573 AC_MSG_RESULT($enable_heapstats)
1574 AC_DEFINE_UNQUOTED([ENABLE_HEAP_STATISTICS],$enable_heapstats,[enable expensive heap statistics])
1575
1576
1577 # Check if the __thread storage class for
1578 # thread-local storage is available.
1579 AC_MSG_CHECKING(whether __thread is supported)
1580 AC_LINK_IFELSE(
1581 [AC_LANG_PROGRAM([#include <stdlib.h>
1582                    #undef __thread
1583                    static __thread int a = 1;],
1584                   [exit(a-1);])],
1585  [have_thread_local_gcc=1],[have_thread_local_gcc=0])
1586 AC_DEFINE_UNQUOTED([HAVE_THREAD_LOCAL_GCC],$have_thread_local_gcc,[Define this if __thread is supported])
1587 AS_IF([test "x$have_thread_local_gcc" = "x1"],
1588       [AC_MSG_RESULT(yes)],
1589       [AC_MSG_RESULT(no)])
1590
1591 # gcov compilation
1592 AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
1593 AC_ARG_ENABLE([coverage],
1594               AS_HELP_STRING([--enable-coverage],
1595                              [compile the library with code coverage support]),
1596               [use_gcov=${enableval}],
1597               [use_gcov=no])
1598 AC_MSG_RESULT($use_gcov)
1599 AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
1600
1601
1602 # version info
1603 # TODO: git blame says this predates our switch to git.
1604 # git-svn should be adjusted to simply git, or
1605 # an external script that does the job.
1606 AC_PATH_PROG(svnversioncommand, svnversion)
1607 AC_PATH_PROG(gitcommand, git)
1608 AC_MSG_CHECKING(for source being under a VCS)
1609
1610
1611 # version info
1612 AC_PATH_PROG(gitcommand, git)
1613 AC_MSG_CHECKING(for source being under a VCS)
1614 git_version=
1615 AS_IF([test ! "X$gitcommand" = "X"],
1616 [
1617   git_version=$(cd $srcdir ; git rev-list --full-history --all --abbrev-commit | head -n 1 2>/dev/null)
1618 ])
1619 AS_IF([test "X$git_version" = "X"],
1620   [
1621     vcs_name="no"
1622     vcs_version="\"release\""
1623   ],
1624   [
1625     vcs_name="yes, git-svn"
1626     vcs_version="\"git-$git_version\""
1627   ])
1628 AC_MSG_RESULT($vcs_name)
1629
1630 AC_MSG_CHECKING(VCS version)
1631 AC_MSG_RESULT($vcs_version)
1632 AC_DEFINE_UNQUOTED(VCS_VERSION, [$vcs_version], [VCS revision/hash or tarball version])
1633
1634 AC_CONFIG_FILES([
1635 Makefile
1636 contrib/Makefile
1637 contrib/hellos/Makefile
1638 contrib/services/Makefile
1639 contrib/services/openrc/Makefile
1640 contrib/services/systemd/Makefile
1641 contrib/scripts/Makefile
1642 contrib/scripts/gnunet-logread/Makefile
1643 doc/Makefile
1644 doc/man/Makefile
1645 doc/doxygen/Makefile
1646 doc/handbook/Makefile
1647 doc/tutorial/Makefile
1648 lint/Makefile
1649 m4/Makefile
1650 po/Makefile.in
1651 src/Makefile
1652 src/arm/Makefile
1653 src/arm/arm.conf
1654 src/ats/Makefile
1655 src/ats/ats.conf
1656 src/ats-tool/Makefile
1657 src/ats-tests/Makefile
1658 src/auction/Makefile
1659 src/block/Makefile
1660 src/cadet/Makefile
1661 src/cadet/cadet.conf
1662 src/core/Makefile
1663 src/core/core.conf
1664 src/consensus/Makefile
1665 src/consensus/consensus.conf
1666 src/conversation/Makefile
1667 src/conversation/conversation.conf
1668 src/curl/Makefile
1669 src/datacache/Makefile
1670 src/datastore/Makefile
1671 src/datastore/datastore.conf
1672 src/dht/Makefile
1673 src/dht/dht.conf
1674 src/dns/Makefile
1675 src/dns/dns.conf
1676 src/exit/Makefile
1677 src/fragmentation/Makefile
1678 src/fs/Makefile
1679 src/fs/fs.conf
1680 src/gns/Makefile
1681 src/gns/gns.conf
1682 src/gns/nss/Makefile
1683 src/gnsrecord/Makefile
1684 src/hello/Makefile
1685 src/identity/Makefile
1686 src/identity/identity.conf
1687 src/abd/Makefile
1688 src/abd/abd.conf
1689 src/include/Makefile
1690 src/integration-tests/Makefile
1691 src/json/Makefile
1692 src/hostlist/Makefile
1693 src/my/Makefile
1694 src/mysql/Makefile
1695 src/namecache/Makefile
1696 src/namecache/namecache.conf
1697 src/namestore/Makefile
1698 src/namestore/namestore.conf
1699 src/nat/Makefile
1700 src/nat/nat.conf
1701 src/nat-auto/Makefile
1702 src/nat-auto/nat-auto.conf
1703 src/nse/Makefile
1704 src/nse/nse.conf
1705 src/nt/Makefile
1706 src/peerinfo/Makefile
1707 src/peerinfo/peerinfo.conf
1708 src/peerinfo-tool/Makefile
1709 src/peerstore/Makefile
1710 src/peerstore/peerstore.conf
1711 src/pq/Makefile
1712 src/pt/Makefile
1713 src/regex/Makefile
1714 src/regex/regex.conf
1715 src/revocation/Makefile
1716 src/revocation/revocation.conf
1717 src/rps/Makefile
1718 src/rps/rps.conf
1719 src/secretsharing/Makefile
1720 src/secretsharing/secretsharing.conf
1721 src/scalarproduct/Makefile
1722 src/scalarproduct/scalarproduct.conf
1723 src/set/Makefile
1724 src/set/set.conf
1725 src/sq/Makefile
1726 src/statistics/Makefile
1727 src/statistics/statistics.conf
1728 src/template/Makefile
1729 src/testbed/Makefile
1730 src/testbed/testbed.conf
1731 src/testbed-logger/Makefile
1732 src/testbed-logger/testbed-logger.conf
1733 src/testing/Makefile
1734 src/topology/Makefile
1735 src/transport/Makefile
1736 src/transport/transport.conf
1737 src/util/Makefile
1738 src/util/resolver.conf
1739 src/vpn/Makefile
1740 src/vpn/vpn.conf
1741 src/zonemaster/Makefile
1742 src/zonemaster/zonemaster.conf
1743 src/rest/Makefile
1744 src/abe/Makefile
1745 src/reclaim-attribute/Makefile
1746 src/reclaim/Makefile
1747 pkgconfig/Makefile
1748 pkgconfig/gnunetarm.pc
1749 pkgconfig/gnunetats.pc
1750 pkgconfig/gnunetblock.pc
1751 pkgconfig/gnunetcadet.pc
1752 pkgconfig/gnunetconsensus.pc
1753 pkgconfig/gnunetconversation.pc
1754 pkgconfig/gnunetcore.pc
1755 pkgconfig/gnunetdatacache.pc
1756 pkgconfig/gnunetdatastore.pc
1757 pkgconfig/gnunetdht.pc
1758 pkgconfig/gnunetdns.pc
1759 pkgconfig/gnunetenv.pc
1760 pkgconfig/gnunetfragmentation.pc
1761 pkgconfig/gnunetfs.pc
1762 pkgconfig/gnunetgns.pc
1763 pkgconfig/gnunethello.pc
1764 pkgconfig/gnunetidentity.pc
1765 pkgconfig/gnunetmicrophone.pc
1766 pkgconfig/gnunetmysql.pc
1767 pkgconfig/gnunetnamestore.pc
1768 pkgconfig/gnunetnat.pc
1769 pkgconfig/gnunetnse.pc
1770 pkgconfig/gnunetpeerinfo.pc
1771 pkgconfig/gnunetpq.pc
1772 pkgconfig/gnunetregex.pc
1773 pkgconfig/gnunetrevocation.pc
1774 pkgconfig/gnunetrps.pc
1775 pkgconfig/gnunetscalarproduct.pc
1776 pkgconfig/gnunetset.pc
1777 pkgconfig/gnunetspeaker.pc
1778 pkgconfig/gnunetstatistics.pc
1779 pkgconfig/gnunettestbed.pc
1780 pkgconfig/gnunettesting.pc
1781 pkgconfig/gnunettransport.pc
1782 pkgconfig/gnunetutil.pc
1783 pkgconfig/gnunetvpn.pc
1784 ])
1785 AC_OUTPUT
1786
1787
1788 # FIXME: `some modules' -> be more specific which exact modules.
1789
1790 # java ports
1791 AS_IF([test "x$enable_java_ports" = "xyes"],
1792       [AC_MSG_NOTICE([NOTICE: Opening ports for gnunet-java bindings by default.])])
1793
1794 ####
1795 #### Lasciate ogne speranza, voi ch'intrate
1796 ####
1797 #### This could be moved to the checks above,
1798 #### but for now let's keep it here.
1799 ####
1800
1801 # -- print message regarding enabled experimental features
1802 AS_IF([test "x$enable_experimental" = "xyes"],
1803       [experimental_msg="experimental features enabled"])
1804 # -- OSX Framework
1805 AS_IF([test "$enable_framework_build" = "yes"],
1806       [macosx_framework_msg="yes"],
1807       [macosx_framework_msg="no"])
1808 # -- libidn 2
1809 AS_IF([test "x$working_libidn2" = x1],
1810       [libidn2_msg="libidn2"])
1811 # -- libidn 1
1812 AS_IF([test "x$working_libidn1" = x1],
1813       [libidn1_msg="libidn1"])
1814 # -- texi2mdoc
1815 AS_IF([test "x$texi2mdoc_generation" = x1],
1816       [mdoc_msg="yes"],
1817       [mdoc_msg="no"])
1818 # -- texinfo
1819 AS_IF([test "x$makeinfo" != "x1"],
1820       [texinfo_msg="no"],
1821       [texinfo_msg="yes"])
1822 # -- conversation
1823 AS_IF([test "x$conversation_backend" = "xnone"],
1824       [AS_IF([test "x$pulse" != "x1"],
1825              [AC_MSG_NOTICE([WARNING: libpulse(audio) not found, conversation will not be built.])
1826               libpulse_msg="no"],
1827              [libpulse_msg="yes"])
1828        AS_IF([test "x$opus" != "x1"],
1829              [AC_MSG_NOTICE([WARNING: libopus not found, conversation will not be built.])
1830               libopus_msg="no"],
1831              [libopus_msg="yes"])
1832        AS_IF([test "x$gst" != "x1"],
1833              [AC_MSG_NOTICE([WARNING: GStreamer not found, conversation will not be built.])
1834               gstreamer_msg="no"],
1835              [gstreamer_msg="yes"])],
1836       [features_msg="$features_msg conversation"])
1837 # -- interface
1838 interface_msg=`echo $DEFAULT_INTERFACE | tr -d \"`
1839 # -- libmicrohttpd
1840 AS_IF([test "x$lmhd" != "x1"],
1841       [libmicrohttpd_msg="no (optional)"],
1842       [libmicrohttpd_msg="yes"])
1843 # -- jansson
1844 AS_IF([test "x$jansson" = "x0"],
1845       [jansson_msg="no (optional)"],
1846       [jansson_msg="yes"])
1847 # -- libextractor
1848 AS_IF([test "$extractor" != 1],
1849       [AC_MSG_WARN([ERROR: libextractor not found, but various file-sharing functions require it])],
1850       [libextractor_msg="yes"])
1851 # -- libzbar
1852 AS_IF([test "x$zbar" = "x1"],
1853       [libzbar_msg="yes"
1854        features_msg="$features_msg gnunet-qr"],
1855       [AC_MSG_NOTICE([WARNING: zbar not found, gnunet-qr will not be built.])
1856        libzbar_msg="no"])
1857 # -- libgnurl
1858 AS_IF([test "$gnurl" = "0"],
1859       [AS_IF([test "x$curl" = "xfalse"],
1860              [AC_MSG_NOTICE([WARNING: libgnurl not found. http client support will not be compiled.])
1861               AC_MSG_WARN([ERROR: libgnurl not found. hostlist daemon will not be compiled, and you probably WANT the hostlist daemon])
1862               curl_msg="no"],
1863              [AC_MSG_NOTICE([WARNING: libgnurl not found, trying to use libcurl-gnutls instead.])
1864               curl_msg="yes"])],
1865        [gnurl_msg="yes"])
1866 # -- ifconfig
1867 AS_IF([test "$VAR_IFCONFIG_BINARY" = "false"],
1868       [AC_MSG_NOTICE([WARNING: optional ifconfig not found])
1869        ifconfig_msg="no (optional)"],
1870       [ifconfig_msg="yes"])
1871 # -- upnpc
1872 AS_IF([test "$VAR_UPNPC_BINARY" = "false"],
1873       [AC_MSG_NOTICE([WARNING: optional upnpc binary not found])
1874        upnpc_msg="no (optional)"],
1875       [upnpc_msg="yes"])
1876 # -- iptables
1877 AS_IF([test "$VAR_IPTABLES_BINARY" = "false"],
1878       [AC_MSG_NOTICE([WARNING: optional iptables not found])
1879        iptables_msg="no (optional)"],
1880       [iptables_msg="yes"])
1881 # -- bluetooth
1882 AS_IF([test "x$bluetooth" = "x0"],
1883       [AC_MSG_NOTICE([WARNING: optional bluetooth library not found.])
1884        bluetooth_msg="no (optional)"],
1885       [bluetooth_msg="yes"])
1886 # -- gnutls
1887 AS_IF([test x$gnutls != xtrue],
1888       [AC_MSG_NOTICE([WARNING: GnuTLS not found, gnunet-gns-proxy will not be built])
1889        gnutls_msg="no"],
1890       [AS_IF([test "x$gnutls_dane" != "x1"],
1891              [AC_MSG_NOTICE([WARNING: GnuTLS has no DANE support, DANE validation will not be possible])
1892               gnutls_msg="yes (without DANE support)"],
1893              [gnutls_msg="yes (with DANE support)"])])
1894 # -- databases
1895 AS_IF([test $mysqlfail = true]
1896       [AC_MSG_NOTICE([WARNING: optional MySQL not found (or too old)])])
1897 AS_IF([test "$mysql" = true],
1898       [features_msg="$features_msg mysql"
1899        mysql_msg="yes"],
1900       [mysql_msg="no"])
1901 AS_IF([test "$sqlite" = true],
1902       [features_msg="$features_msg sqlite"
1903        sqlite_msg="yes"],
1904       [AC_MSG_ERROR([ERROR: sqlite3 not found, but sqlite3 is required.])
1905        sqlite_msg="no"])
1906 AS_IF([test "$postgres" = true],
1907       [features_msg="$features_msg postgres"
1908        postgres_msg="yes"],
1909       [postgres_msg="no"])
1910 # -- features
1911 # ---- 1. replace spaces with newlines,
1912 # ---- 2. sort the lines,
1913 # ---- 3. replace the newlines with spaces.
1914 features_msg=`echo $features_msg | tr ' ' '\012' | sort | tr '\012' ' '`
1915 AC_SUBST(features_msg)
1916
1917
1918 # The summary
1919 # TODO: reduce the length of the last message block ("the message")
1920
1921 AC_MSG_NOTICE([
1922 GNUnet Configuration
1923
1924 gnunet version:                 ${VERSION}
1925
1926 Host setup:                     ${host}
1927 Install prefix:                 ${prefix}
1928 Compiler:                       ${CC}
1929 CFLAGS:                         ${CFLAGS}
1930 CPPFLAGS:                       ${CPPFLAGS}
1931 LDFLAGS:                        ${LDFLAGS}
1932 LIBS:                           ${LIBS}
1933 Build Target:                   $build_target
1934 Mac OSX framework build:        ${macosx_framework_msg}
1935
1936 Default Interface:              ${interface_msg}
1937
1938 MySQL:                          ${mysql_msg}
1939 PostgreSQL:                     ${postgres_msg}
1940 sqlite3:                        ${sqlite_msg}
1941 gnurl:                          ${gnurl_msg}
1942 curl:                           ${curl_msg}
1943 bluetooth:                      ${bluetooth_msg}
1944 jansson:                        ${jansson_msg}
1945 iptables:                       ${iptables_msg}
1946 ifconfig:                       ${ifconfig_msg}
1947 upnpc:                          ${upnpc_msg}
1948 gnutls:                         ${gnutls_msg}
1949 libzbar:                        ${libzbar_msg}
1950 java:                           ${java_msg}
1951 libmicrohttpd:                  ${libmicrohttpd_msg}
1952 libidn:                         ${libidn1_msg}${libidn2_msg}
1953 libopus:                        ${libopus_msg}
1954 gstreamer:                      ${gstreamer_msg}
1955 libpulse:                       ${libpulse_msg}
1956 libextractor:                   ${libextractor_msg}
1957
1958 texinfo manual:                 ${texinfo_msg}
1959 transpiled mdoc manual:         ${mdoc_msg}
1960
1961 features:                       ${features_msg}
1962 experimental:                   ${experimental_msg}
1963
1964
1965 IMPORTANT:
1966
1967 Please make sure NOW that you have created a user and group 'gnunet'
1968 and additionally a group 'gnunetdns'. On Debian and Ubuntu GNU/Linux,
1969 type:
1970
1971   addgroup gnunetdns
1972   adduser --system --group --disabled-login --home /var/lib/gnunet gnunet
1973
1974 Make sure that '/var/lib/gnunet' is owned (and writable) by user
1975 'gnunet'.  Then, you can compile GNUnet with
1976
1977   make
1978
1979 After that, run (if necessary as 'root')
1980
1981   make install
1982
1983 to install everything.
1984
1985 Each GNUnet user should be added to the 'gnunet' group (may
1986 require fresh login to come into effect):
1987
1988   adduser USERNAME gnunet
1989
1990 (run the above command as root once for each of your users, replacing
1991 "USERNAME" with the respective login names).  If you have a global IP
1992 address, no further configuration is required.
1993
1994 For more detailed setup instructions, see https://docs.gnunet.org/
1995
1996 Optionally, download and compile gnunet-gtk to get a GUI for
1997 file-sharing and configuration.  This is particularly recommended
1998 if your network setup is non-trivial, as gnunet-setup can be
1999 used to test in the GUI if your network configuration is working.
2000 gnunet-setup should be run as the "gnunet" user under X.  As it
2001 does very little with the network, running it as "root" is likely
2002 also harmless.  You can also run it as a normal user, but then
2003 you have to copy ~/.gnunet/gnunet.conf" over to the "gnunet" user's
2004 home directory in the end.
2005
2006 Once you have configured your peer, run (as the 'gnunet' user)
2007
2008   gnunet-arm -s
2009
2010 to start the peer.  You can then run the various GNUnet-tools as
2011 your "normal" user (who should only be in the group 'gnunet').
2012 ])