configure.ac

   1 # configure.ac - for GnuPG 2.1
   2 # Copyright (C) 1998-2012 Free Software Foundation, Inc.
   3 # Copyright (C) 1998-2016 Werner Koch
   4 #
   5 # This file is part of GnuPG.
   6 #
   7 # GnuPG is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # GnuPG is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program; if not, see <https://www.gnu.org/licenses/>.
  19
  20 # Process this file with autoconf to produce a configure script.
  21 AC_PREREQ(2.61)
  22 min_automake_version="1.14"
  23
  24 # To build a release you need to create a tag with the version number
  25 # (git tag -s gnupg-2.n.m) and run "./autogen.sh --force".  Please
  26 # bump the version number immediately *after* the release and do
  27 # another commit and push so that the git magic is able to work.
  28 m4_define([mym4_package],[gnupg])
  29 m4_define([mym4_major], [2])
  30 m4_define([mym4_minor], [1])
  31 m4_define([mym4_micro], [19])
  32
  33 # To start a new development series, i.e a new major or minor number
  34 # you need to mark an arbitrary commit before the first beta release
  35 # with an annotated tag.  For example the 2.1 branch starts off with
  36 # the tag "gnupg-2.1-base".  This is used as the base for counting
  37 # beta numbers before the first release of a series.
  38
  39 # Below is m4 magic to extract and compute the git revision number,
  40 # the decimalized short revision number, a beta version string and a
  41 # flag indicating a development version (mym4_isbeta).  Note that the
  42 # m4 processing is done by autoconf and not during the configure run.
  43 m4_define([mym4_verslist], m4_split(m4_esyscmd([./autogen.sh --find-version] \
  44                            mym4_package mym4_major mym4_minor mym4_micro),[:]))
  45 m4_define([mym4_isbeta],       m4_argn(2, mym4_verslist))
  46 m4_define([mym4_version],      m4_argn(4, mym4_verslist))
  47 m4_define([mym4_revision],     m4_argn(7, mym4_verslist))
  48 m4_define([mym4_revision_dec], m4_argn(8, mym4_verslist))
  49 m4_esyscmd([echo ]mym4_version[>VERSION])
  50 AC_INIT([mym4_package],[mym4_version], [https://bugs.gnupg.org])
  51
  52 NEED_GPG_ERROR_VERSION=1.24
  53
  54 NEED_LIBGCRYPT_API=1
  55 NEED_LIBGCRYPT_VERSION=1.7.0
  56
  57 NEED_LIBASSUAN_API=2
  58 NEED_LIBASSUAN_VERSION=2.4.3
  59
  60 NEED_KSBA_API=1
  61 NEED_KSBA_VERSION=1.3.4
  62
  63 NEED_NTBTLS_API=1
  64 NEED_NTBTLS_VERSION=0.1.0
  65
  66 NEED_NPTH_API=1
  67 NEED_NPTH_VERSION=1.2
  68
  69
  70 NEED_GNUTLS_VERSION=3.0
  71
  72 NEED_SQLITE_VERSION=3.7
  73
  74 development_version=mym4_isbeta
  75 PACKAGE=$PACKAGE_NAME
  76 PACKAGE_GT=${PACKAGE_NAME}2
  77 VERSION=$PACKAGE_VERSION
  78
  79 AC_CONFIG_AUX_DIR([build-aux])
  80 AC_CONFIG_SRCDIR([sm/gpgsm.c])
  81 AC_CONFIG_HEADER([config.h])
  82 AM_INIT_AUTOMAKE([serial-tests dist-bzip2 no-dist-gzip])
  83 AC_CANONICAL_HOST
  84 AB_INIT
  85
  86 AC_GNU_SOURCE
  87
  88 # Before we do anything with the C compiler, we first save the user's
  89 # CFLAGS (they are restored at the end of the configure script).  This
  90 # is because some configure checks don't work with -Werror, but we'd
  91 # like to use -Werror with our build.
  92 CFLAGS_orig=$CFLAGS
  93 CFLAGS=
  94
  95 # Some status variables.
  96 have_gpg_error=no
  97 have_libgcrypt=no
  98 have_libassuan=no
  99 have_ksba=no
 100 have_ntbtls=no
 101 have_gnutls=no
 102 have_sqlite=no
 103 have_npth=no
 104 have_libusb=no
 105 have_system_resolver=no
 106 gnupg_have_ldap="n/a"
 107
 108 use_zip=yes
 109 use_bzip2=yes
 110 use_exec=yes
 111 use_trust_models=yes
 112 use_tofu=yes
 113 use_libdns=yes
 114 card_support=yes
 115 use_ccid_driver=auto
 116 dirmngr_auto_start=yes
 117 use_tls_library=no
 118 large_secmem=no
 119 show_tor_support=no
 120
 121
 122 GNUPG_BUILD_PROGRAM(gpg, yes)
 123 GNUPG_BUILD_PROGRAM(gpgsm, yes)
 124 # The agent is a required part and can't be disabled anymore.
 125 build_agent=yes
 126 GNUPG_BUILD_PROGRAM(scdaemon, yes)
 127 GNUPG_BUILD_PROGRAM(g13, no)
 128 GNUPG_BUILD_PROGRAM(dirmngr, yes)
 129 GNUPG_BUILD_PROGRAM(tools, yes)
 130 GNUPG_BUILD_PROGRAM(doc, yes)
 131 GNUPG_BUILD_PROGRAM(symcryptrun, no)
 132 # We use gpgtar to unpack test data, hence we always build it.  If the
 133 # user opts out, we simply don't install it.
 134 GNUPG_BUILD_PROGRAM(gpgtar, yes)
 135 GNUPG_BUILD_PROGRAM(wks-tools, no)
 136
 137 AC_SUBST(PACKAGE)
 138 AC_SUBST(PACKAGE_GT)
 139 AC_SUBST(VERSION)
 140 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
 141 AC_DEFINE_UNQUOTED(PACKAGE_GT, "$PACKAGE_GT",
 142                                 [Name of this package for gettext])
 143 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
 144 AC_DEFINE_UNQUOTED(PACKAGE_BUGREPORT, "$PACKAGE_BUGREPORT",
 145                                         [Bug report address])
 146 AC_DEFINE_UNQUOTED(NEED_LIBGCRYPT_VERSION, "$NEED_LIBGCRYPT_VERSION",
 147                                        [Required version of Libgcrypt])
 148 AC_DEFINE_UNQUOTED(NEED_KSBA_VERSION, "$NEED_KSBA_VERSION",
 149                                        [Required version of Libksba])
 150 AC_DEFINE_UNQUOTED(NEED_NTBTLS_VERSION, "$NEED_NTBTLS_VERSION",
 151                                        [Required version of NTBTLS])
 152
 153
 154
 155 # The default is to use the modules from this package and the few
 156 # other packages in a standard place; i.e where this package gets
 157 # installed.  With these options it is possible to override these
 158 # ${prefix} depended values with fixed paths, which can't be replaced
 159 # at make time.  See also am/cmacros.am and the defaults in AH_BOTTOM.
 160 AC_ARG_WITH(agent-pgm,
 161     [  --with-agent-pgm=PATH  Use PATH as the default for the agent)],
 162           GNUPG_AGENT_PGM="$withval", GNUPG_AGENT_PGM="" )
 163 AC_SUBST(GNUPG_AGENT_PGM)
 164 AM_CONDITIONAL(GNUPG_AGENT_PGM, test -n "$GNUPG_AGENT_PGM")
 165 show_gnupg_agent_pgm="(default)"
 166 test -n "$GNUPG_AGENT_PGM" && show_gnupg_agent_pgm="$GNUPG_AGENT_PGM"
 167
 168 AC_ARG_WITH(pinentry-pgm,
 169     [  --with-pinentry-pgm=PATH  Use PATH as the default for the pinentry)],
 170           GNUPG_PINENTRY_PGM="$withval", GNUPG_PINENTRY_PGM="" )
 171 AC_SUBST(GNUPG_PINENTRY_PGM)
 172 AM_CONDITIONAL(GNUPG_PINENTRY_PGM, test -n "$GNUPG_PINENTRY_PGM")
 173 show_gnupg_pinentry_pgm="(default)"
 174 test -n "$GNUPG_PINENTRY_PGM" && show_gnupg_pinentry_pgm="$GNUPG_PINENTRY_PGM"
 175
 176
 177 AC_ARG_WITH(scdaemon-pgm,
 178     [  --with-scdaemon-pgm=PATH  Use PATH as the default for the scdaemon)],
 179           GNUPG_SCDAEMON_PGM="$withval", GNUPG_SCDAEMON_PGM="" )
 180 AC_SUBST(GNUPG_SCDAEMON_PGM)
 181 AM_CONDITIONAL(GNUPG_SCDAEMON_PGM, test -n "$GNUPG_SCDAEMON_PGM")
 182 show_gnupg_scdaemon_pgm="(default)"
 183 test -n "$GNUPG_SCDAEMON_PGM" && show_gnupg_scdaemon_pgm="$GNUPG_SCDAEMON_PGM"
 184
 185
 186 AC_ARG_WITH(dirmngr-pgm,
 187     [  --with-dirmngr-pgm=PATH  Use PATH as the default for the dirmngr)],
 188           GNUPG_DIRMNGR_PGM="$withval", GNUPG_DIRMNGR_PGM="" )
 189 AC_SUBST(GNUPG_DIRMNGR_PGM)
 190 AM_CONDITIONAL(GNUPG_DIRMNGR_PGM, test -n "$GNUPG_DIRMNGR_PGM")
 191 show_gnupg_dirmngr_pgm="(default)"
 192 test -n "$GNUPG_DIRMNGR_PGM" && show_gnupg_dirmngr_pgm="$GNUPG_DIRMNGR_PGM"
 193
 194 AC_ARG_WITH(protect-tool-pgm,
 195     [  --with-protect-tool-pgm=PATH  Use PATH as the default for the protect-tool)],
 196           GNUPG_PROTECT_TOOL_PGM="$withval", GNUPG_PROTECT_TOOL_PGM="" )
 197 AC_SUBST(GNUPG_PROTECT_TOOL_PGM)
 198 AM_CONDITIONAL(GNUPG_PROTECT_TOOL_PGM, test -n "$GNUPG_PROTECT_TOOL_PGM")
 199 show_gnupg_protect_tool_pgm="(default)"
 200 test -n "$GNUPG_PROTECT_TOOL_PGM" \
 201       && show_gnupg_protect_tool_pgm="$GNUPG_PROTECT_TOOL_PGM"
 202
 203 AC_ARG_WITH(dirmngr-ldap-pgm,
 204     [  --with-dirmngr-ldap-pgm=PATH  Use PATH as the default for the dirmngr ldap wrapper)],
 205           GNUPG_DIRMNGR_LDAP_PGM="$withval", GNUPG_DIRMNGR_LDAP_PGM="" )
 206 AC_SUBST(GNUPG_DIRMNGR_LDAP_PGM)
 207 AM_CONDITIONAL(GNUPG_DIRMNGR_LDAP_PGM, test -n "$GNUPG_DIRMNGR_LDAP_PGM")
 208 show_gnupg_dirmngr_ldap_pgm="(default)"
 209 test -n "$GNUPG_DIRMNGR_LDAP_PGM" \
 210       && show_gnupg_dirmngr_ldap_pgm="$GNUPG_DIRMNGR_LDAP_PGM"
 211
 212 #
 213 # On some platforms gpg2 is usually installed as gpg without using a
 214 # symlink.  For correct operation of gpgconf it needs to know the
 215 # installed name of gpg.  This option sets "gpg2"'s installed name to
 216 # just "gpg".  Note that it might be required to rename gpg2 to gpg
 217 # manually after the build process.
 218 #
 219 AC_ARG_ENABLE(gpg2-is-gpg,
 220     AC_HELP_STRING([--enable-gpg2-is-gpg],[Set installed name of gpg2 to gpg]),
 221     gpg2_is_gpg=$enableval)
 222 if test "$gpg2_is_gpg" != "yes"; then
 223    AC_DEFINE(USE_GPG2_HACK, 1, [Define to install gpg as gpg2])
 224 fi
 225 AM_CONDITIONAL(USE_GPG2_HACK, test "$gpg2_is_gpg" != "yes")
 226
 227
 228 # SELinux support includes tracking of sensitive files to avoid
 229 # leaking their contents through processing these files by gpg itself
 230 AC_MSG_CHECKING([whether SELinux support is requested])
 231 AC_ARG_ENABLE(selinux-support,
 232               AC_HELP_STRING([--enable-selinux-support],
 233                              [enable SELinux support]),
 234               selinux_support=$enableval, selinux_support=no)
 235 AC_MSG_RESULT($selinux_support)
 236
 237
 238 AC_MSG_CHECKING([whether to allocate extra secure memory])
 239 AC_ARG_ENABLE(large-secmem,
 240               AC_HELP_STRING([--enable-large-secmem],
 241                              [allocate extra secure memory]),
 242               large_secmem=$enableval, large_secmem=no)
 243 AC_MSG_RESULT($large_secmem)
 244 if test "$large_secmem" = yes ; then
 245    SECMEM_BUFFER_SIZE=65536
 246 else
 247    SECMEM_BUFFER_SIZE=32768
 248 fi
 249 AC_DEFINE_UNQUOTED(SECMEM_BUFFER_SIZE,$SECMEM_BUFFER_SIZE,
 250                    [Size of secure memory buffer])
 251
 252 AC_MSG_CHECKING([whether to enable trust models])
 253 AC_ARG_ENABLE(trust-models,
 254               AC_HELP_STRING([--disable-trust-models],
 255                              [disable all trust models except "always"]),
 256               use_trust_models=$enableval)
 257 AC_MSG_RESULT($use_trust_models)
 258 if test "$use_trust_models" = no ; then
 259     AC_DEFINE(NO_TRUST_MODELS, 1,
 260              [Define to include only trust-model always])
 261 fi
 262
 263 AC_MSG_CHECKING([whether to enable TOFU])
 264 AC_ARG_ENABLE(tofu,
 265                 AC_HELP_STRING([--disable-tofu],
 266                                [disable the TOFU trust model]),
 267               use_tofu=$enableval, use_tofu=$use_trust_models)
 268 AC_MSG_RESULT($use_tofu)
 269 if test "$use_trust_models" = no && test "$use_tofu" = yes; then
 270     AC_MSG_ERROR([both --disable-trust-models and --enable-tofu given])
 271 fi
 272
 273 AC_MSG_CHECKING([whether to enable libdns])
 274 AC_ARG_ENABLE(libdns,
 275                 AC_HELP_STRING([--disable-libdns],
 276                                [do not build with libdns support]),
 277               use_libdns=$enableval, use_libdns=yes)
 278 AC_MSG_RESULT($use_libdns)
 279 if test x"$use_libdns" = xyes ; then
 280     AC_DEFINE(USE_LIBDNS, 1, [Build with integrated libdns support])
 281 fi
 282 AM_CONDITIONAL(USE_LIBDNS, test "$use_libdns" = yes)
 283
 284
 285 #
 286 # Options to disable algorithm
 287 #
 288
 289 GNUPG_GPG_DISABLE_ALGO([rsa],[RSA public key])
 290 # Elgamal is a MUST algorithm
 291 # DSA is a MUST algorithm
 292 GNUPG_GPG_DISABLE_ALGO([ecdh],[ECDH public key])
 293 GNUPG_GPG_DISABLE_ALGO([ecdsa],[ECDSA public key])
 294 GNUPG_GPG_DISABLE_ALGO([eddsa],[EdDSA public key])
 295
 296 GNUPG_GPG_DISABLE_ALGO([idea],[IDEA cipher])
 297 # 3DES is a MUST algorithm
 298 GNUPG_GPG_DISABLE_ALGO([cast5],[CAST5 cipher])
 299 GNUPG_GPG_DISABLE_ALGO([blowfish],[BLOWFISH cipher])
 300 GNUPG_GPG_DISABLE_ALGO([aes128],[AES128 cipher])
 301 GNUPG_GPG_DISABLE_ALGO([aes192],[AES192 cipher])
 302 GNUPG_GPG_DISABLE_ALGO([aes256],[AES256 cipher])
 303 GNUPG_GPG_DISABLE_ALGO([twofish],[TWOFISH cipher])
 304 GNUPG_GPG_DISABLE_ALGO([camellia128],[CAMELLIA128 cipher])
 305 GNUPG_GPG_DISABLE_ALGO([camellia192],[CAMELLIA192 cipher])
 306 GNUPG_GPG_DISABLE_ALGO([camellia256],[CAMELLIA256 cipher])
 307
 308 GNUPG_GPG_DISABLE_ALGO([md5],[MD5 hash])
 309 # SHA1 is a MUST algorithm
 310 GNUPG_GPG_DISABLE_ALGO([rmd160],[RIPE-MD160 hash])
 311 GNUPG_GPG_DISABLE_ALGO([sha224],[SHA-224 hash])
 312 # SHA256 is a MUST algorithm for GnuPG.
 313 GNUPG_GPG_DISABLE_ALGO([sha384],[SHA-384 hash])
 314 GNUPG_GPG_DISABLE_ALGO([sha512],[SHA-512 hash])
 315
 316
 317 # Allow disabling of zip support.
 318 # This is in general not a good idea because according to rfc4880 OpenPGP
 319 # implementations SHOULD support ZLIB.
 320 AC_MSG_CHECKING([whether to enable the ZIP and ZLIB compression algorithm])
 321 AC_ARG_ENABLE(zip,
 322    AC_HELP_STRING([--disable-zip],
 323                   [disable the ZIP and ZLIB compression algorithm]),
 324    use_zip=$enableval)
 325 AC_MSG_RESULT($use_zip)
 326
 327 # Allow disabling of bzib2 support.
 328 # It is defined only after we confirm the library is available later
 329 AC_MSG_CHECKING([whether to enable the BZIP2 compression algorithm])
 330 AC_ARG_ENABLE(bzip2,
 331    AC_HELP_STRING([--disable-bzip2],[disable the BZIP2 compression algorithm]),
 332    use_bzip2=$enableval)
 333 AC_MSG_RESULT($use_bzip2)
 334
 335 # Configure option to allow or disallow execution of external
 336 # programs, like a photo viewer.
 337 AC_MSG_CHECKING([whether to enable external program execution])
 338 AC_ARG_ENABLE(exec,
 339     AC_HELP_STRING([--disable-exec],[disable all external program execution]),
 340     use_exec=$enableval)
 341 AC_MSG_RESULT($use_exec)
 342 if test "$use_exec" = no ; then
 343     AC_DEFINE(NO_EXEC,1,[Define to disable all external program execution])
 344 fi
 345
 346 if test "$use_exec" = yes ; then
 347   AC_MSG_CHECKING([whether to enable photo ID viewing])
 348   AC_ARG_ENABLE(photo-viewers,
 349       [  --disable-photo-viewers disable photo ID viewers],
 350       [if test "$enableval" = no ; then
 351          AC_DEFINE(DISABLE_PHOTO_VIEWER,1,[define to disable photo viewing])
 352       fi],enableval=yes)
 353   gnupg_cv_enable_photo_viewers=$enableval
 354   AC_MSG_RESULT($enableval)
 355
 356   if test "$gnupg_cv_enable_photo_viewers" = yes ; then
 357     AC_MSG_CHECKING([whether to use a fixed photo ID viewer])
 358     AC_ARG_WITH(photo-viewer,
 359         [  --with-photo-viewer=FIXED_VIEWER  set a fixed photo ID viewer],
 360         [if test "$withval" = yes ; then
 361            withval=no
 362         elif test "$withval" != no ; then
 363            AC_DEFINE_UNQUOTED(FIXED_PHOTO_VIEWER,"$withval",
 364                             [if set, restrict photo-viewer to this])
 365         fi],withval=no)
 366     AC_MSG_RESULT($withval)
 367   fi
 368 fi
 369
 370
 371 #
 372 # Check for the key/uid cache size.  This can't be zero, but can be
 373 # pretty small on embedded systems.  This is used for the gpg part.
 374 #
 375 AC_MSG_CHECKING([for the size of the key and uid cache])
 376 AC_ARG_ENABLE(key-cache,
 377         AC_HELP_STRING([--enable-key-cache=SIZE],
 378                        [Set key cache to SIZE (default 4096)]),,enableval=4096)
 379 if test "$enableval" = "no"; then
 380    enableval=5
 381 elif test "$enableval" = "yes" || test "$enableval" = ""; then
 382    enableval=4096
 383 fi
 384 changequote(,)dnl
 385 key_cache_size=`echo "$enableval" | sed 's/[A-Za-z]//g'`
 386 changequote([,])dnl
 387 if test "$enableval" != "$key_cache_size" || test "$key_cache_size" -lt 5; then
 388    AC_MSG_ERROR([invalid key-cache size])
 389 fi
 390 AC_MSG_RESULT($key_cache_size)
 391 AC_DEFINE_UNQUOTED(PK_UID_CACHE_SIZE,$key_cache_size,
 392                   [Size of the key and UID caches])
 393
 394
 395
 396 #
 397 # Check whether we want to use Linux capabilities
 398 #
 399 AC_MSG_CHECKING([whether use of capabilities is requested])
 400 AC_ARG_WITH(capabilities,
 401     [  --with-capabilities     use linux capabilities [default=no]],
 402 [use_capabilities="$withval"],[use_capabilities=no])
 403 AC_MSG_RESULT($use_capabilities)
 404
 405 #
 406 # Check whether to disable the card support
 407 AC_MSG_CHECKING([whether smartcard support is requested])
 408 AC_ARG_ENABLE(card-support,
 409               AC_HELP_STRING([--disable-card-support],
 410                              [disable smartcard support]),
 411               card_support=$enableval)
 412 AC_MSG_RESULT($card_support)
 413 if test "$card_support" = yes ; then
 414   AC_DEFINE(ENABLE_CARD_SUPPORT,1,[Define to include smartcard support])
 415 else
 416   build_scdaemon=no
 417 fi
 418
 419 #
 420 # Allow disabling of internal CCID support.
 421 # It is defined only after we confirm the library is available later
 422 #
 423 AC_MSG_CHECKING([whether to enable the internal CCID driver])
 424 AC_ARG_ENABLE(ccid-driver,
 425               AC_HELP_STRING([--disable-ccid-driver],
 426                              [disable the internal CCID driver]),
 427               use_ccid_driver=$enableval)
 428 AC_MSG_RESULT($use_ccid_driver)
 429
 430 AC_MSG_CHECKING([whether to auto start dirmngr])
 431 AC_ARG_ENABLE(dirmngr-auto-start,
 432               AC_HELP_STRING([--disable-dirmngr-auto-start],
 433                              [disable auto starting of the dirmngr]),
 434               dirmngr_auto_start=$enableval)
 435 AC_MSG_RESULT($dirmngr_auto_start)
 436 if test "$dirmngr_auto_start" = yes ; then
 437     AC_DEFINE(USE_DIRMNGR_AUTO_START,1,
 438               [Define to enable auto starting of the dirmngr])
 439 fi
 440
 441
 442 #
 443 # To avoid double inclusion of config.h which might happen at some
 444 # places, we add the usual double inclusion protection at the top of
 445 # config.h.
 446 #
 447 AH_TOP([
 448 #ifndef GNUPG_CONFIG_H_INCLUDED
 449 #define GNUPG_CONFIG_H_INCLUDED
 450 ])
 451
 452 #
 453 # Stuff which goes at the bottom of config.h.
 454 #
 455 AH_BOTTOM([
 456 /* This is the major version number of GnuPG so that
 457    source included files can test for this.  Note, that
 458    we use 2 here even for GnuPG 1.9.x. */
 459 #define GNUPG_MAJOR_VERSION 2
 460
 461 /* Now to separate file name parts.
 462    Please note that the string version must not contain more
 463    than one character because the code assumes strlen()==1 */
 464 #ifdef HAVE_DOSISH_SYSTEM
 465 #define DIRSEP_C '\\'
 466 #define DIRSEP_S "\\"
 467 #define EXTSEP_C '.'
 468 #define EXTSEP_S "."
 469 #define PATHSEP_C ';'
 470 #define PATHSEP_S ";"
 471 #define EXEEXT_S ".exe"
 472 #else
 473 #define DIRSEP_C '/'
 474 #define DIRSEP_S "/"
 475 #define EXTSEP_C '.'
 476 #define EXTSEP_S "."
 477 #define PATHSEP_C ':'
 478 #define PATHSEP_S ":"
 479 #define EXEEXT_S ""
 480 #endif
 481
 482 /* This is the same as VERSION, but should be overridden if the
 483    platform cannot handle things like dots '.' in filenames. Set
 484    SAFE_VERSION_DOT and SAFE_VERSION_DASH to whatever SAFE_VERSION
 485    uses for dots and dashes. */
 486 #define SAFE_VERSION VERSION
 487 #define SAFE_VERSION_DOT  '.'
 488 #define SAFE_VERSION_DASH '-'
 489
 490 /* Some global constants. */
 491 #ifdef HAVE_DOSISH_SYSTEM
 492 # ifdef HAVE_DRIVE_LETTERS
 493 #  define GNUPG_DEFAULT_HOMEDIR "c:/gnupg"
 494 # else
 495 #  define GNUPG_DEFAULT_HOMEDIR "/gnupg"
 496 # endif
 497 #elif defined(__VMS)
 498 #define GNUPG_DEFAULT_HOMEDIR "/SYS$LOGIN/gnupg"
 499 #else
 500 #define GNUPG_DEFAULT_HOMEDIR "~/.gnupg"
 501 #endif
 502 #define GNUPG_PRIVATE_KEYS_DIR  "private-keys-v1.d"
 503 #define GNUPG_OPENPGP_REVOC_DIR "openpgp-revocs.d"
 504
 505 /* For some systems (DOS currently), we hardcode the path here.  For
 506    POSIX systems the values are constructed by the Makefiles, so that
 507    the values may be overridden by the make invocations; this is to
 508    comply with the GNU coding standards.  Note that these values are
 509    only defaults.  */
 510 #ifdef HAVE_DOSISH_SYSTEM
 511 # ifdef HAVE_DRIVE_LETTERS
 512 #  define GNUPG_BINDIR      "c:\\gnupg"
 513 #  define GNUPG_LIBEXECDIR  "c:\\gnupg"
 514 #  define GNUPG_LIBDIR      "c:\\gnupg"
 515 #  define GNUPG_DATADIR     "c:\\gnupg"
 516 #  define GNUPG_SYSCONFDIR  "c:\\gnupg"
 517 # else
 518 #  define GNUPG_BINDIR      "\\gnupg"
 519 #  define GNUPG_LIBEXECDIR  "\\gnupg"
 520 #  define GNUPG_LIBDIR      "\\gnupg"
 521 #  define GNUPG_DATADIR     "\\gnupg"
 522 #  define GNUPG_SYSCONFDIR  "\\gnupg"
 523 # endif
 524 #endif
 525
 526 /* Derive some other constants. */
 527 #if !(defined(HAVE_FORK) && defined(HAVE_PIPE) && defined(HAVE_WAITPID))
 528 #define EXEC_TEMPFILE_ONLY
 529 #endif
 530
 531
 532 /* We didn't define endianness above, so get it from OS macros.  This
 533    is intended for making fat binary builds on OS X. */
 534 #if !defined(BIG_ENDIAN_HOST) && !defined(LITTLE_ENDIAN_HOST)
 535 #if defined(__BIG_ENDIAN__)
 536 #define BIG_ENDIAN_HOST 1
 537 #elif defined(__LITTLE_ENDIAN__)
 538 #define LITTLE_ENDIAN_HOST 1
 539 #else
 540 #error "No endianness found"
 541 #endif
 542 #endif
 543
 544
 545 /* Hack used for W32: ldap.m4 also tests for the ASCII version of
 546    ldap_start_tls_s because that is the actual symbol used in the
 547    library.  winldap.h redefines it to our commonly used value,
 548    thus we define our usual macro here.  */
 549 #ifdef HAVE_LDAP_START_TLS_SA
 550 # ifndef HAVE_LDAP_START_TLS_S
 551 #  define HAVE_LDAP_START_TLS_S 1
 552 # endif
 553 #endif
 554
 555 /* Provide the es_ macro for estream.  */
 556 #define GPGRT_ENABLE_ES_MACROS 1
 557
 558 /* Tell libgcrypt not to use its own libgpg-error implementation. */
 559 #define USE_LIBGPG_ERROR 1
 560
 561 /* Tell Libgcrypt not to include deprecated definitions.  */
 562 #define GCRYPT_NO_DEPRECATED 1
 563
 564 /* Our HTTP code is used in estream mode.  */
 565 #define HTTP_USE_ESTREAM 1
 566
 567 /* Under W32 we do an explicit socket initialization, thus we need to
 568    avoid the on-demand initialization which would also install an atexit
 569    handler.  */
 570 #define HTTP_NO_WSASTARTUP
 571
 572 /* Under Windows we use the gettext code from libgpg-error.  */
 573 #define GPG_ERR_ENABLE_GETTEXT_MACROS
 574
 575 /* Under WindowsCE we use the strerror replacement from libgpg-error.  */
 576 #define GPG_ERR_ENABLE_ERRNO_MACROS
 577
 578 #endif /*GNUPG_CONFIG_H_INCLUDED*/
 579 ])
 580
 581
 582 AM_MAINTAINER_MODE
 583 AC_ARG_VAR(SYSROOT,[locate config scripts also below that directory])
 584
 585 # Checks for programs.
 586 AC_MSG_NOTICE([checking for programs])
 587 AC_PROG_MAKE_SET
 588 AM_SANITY_CHECK
 589 missing_dir=`cd $ac_aux_dir && pwd`
 590 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
 591 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
 592 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
 593 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
 594 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
 595 AM_SILENT_RULES
 596 AC_PROG_AWK
 597 AC_PROG_CC
 598 AC_PROG_CPP
 599 AM_PROG_CC_C_O
 600 if test "x$ac_cv_prog_cc_c89" = "xno" ; then
 601   AC_MSG_ERROR([[No C-89 compiler found]])
 602 fi
 603 AC_PROG_INSTALL
 604 AC_PROG_LN_S
 605 AC_PROG_RANLIB
 606 AC_CHECK_TOOL(AR, ar, :)
 607 AC_PATH_PROG(PERL,"perl")
 608 AC_CHECK_TOOL(WINDRES, windres, :)
 609 AC_ISC_POSIX
 610 AC_SYS_LARGEFILE
 611 GNUPG_CHECK_USTAR
 612
 613
 614 # We need to compile and run a program on the build machine.  A
 615 # comment in libgpg-error says that the AC_PROG_CC_FOR_BUILD macro in
 616 # the AC archive is broken for autoconf 2.57.  Given that there is no
 617 # newer version of that macro, we assume that it is also broken for
 618 # autoconf 2.61 and thus we use a simple but usually sufficient
 619 # approach.
 620 AC_MSG_CHECKING(for cc for build)
 621 if test "$cross_compiling" = "yes"; then
 622   CC_FOR_BUILD="${CC_FOR_BUILD-cc}"
 623 else
 624   CC_FOR_BUILD="${CC_FOR_BUILD-$CC}"
 625 fi
 626 AC_MSG_RESULT($CC_FOR_BUILD)
 627 AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])
 628
 629 # We need to call this macro because other pkg-config macros are
 630 # not always used.
 631 PKG_PROG_PKG_CONFIG
 632
 633
 634 try_gettext=yes
 635 require_iconv=yes
 636 have_dosish_system=no
 637 have_w32_system=no
 638 have_w32ce_system=no
 639 have_android_system=no
 640 use_simple_gettext=no
 641 use_ldapwrapper=yes
 642 mmap_needed=yes
 643 case "${host}" in
 644     *-mingw32*)
 645         # special stuff for Windoze NT
 646         ac_cv_have_dev_random=no
 647         AC_DEFINE(USE_ONLY_8DOT3,1,
 648                   [Set this to limit filenames to the 8.3 format])
 649         AC_DEFINE(USE_SIMPLE_GETTEXT,1,
 650                   [Because the Unix gettext has too much overhead on
 651                    MingW32 systems and these systems lack Posix functions,
 652                    we use a simplified version of gettext])
 653         have_dosish_system=yes
 654         have_w32_system=yes
 655         require_iconv=no
 656         use_ldapwrapper=no  # Fixme: Do this only for CE.
 657         case "${host}" in
 658           *-mingw32ce*)
 659             have_w32ce_system=yes
 660             ;;
 661           *)
 662             AC_DEFINE(HAVE_DRIVE_LETTERS,1,
 663                       [Defined if the OS supports drive letters.])
 664             ;;
 665         esac
 666         try_gettext="no"
 667         use_simple_gettext=yes
 668         mmap_needed=no
 669         ;;
 670     i?86-emx-os2 | i?86-*-os2*emx )
 671         # OS/2 with the EMX environment
 672         ac_cv_have_dev_random=no
 673         AC_DEFINE(HAVE_DRIVE_LETTERS)
 674         have_dosish_system=yes
 675         try_gettext="no"
 676         ;;
 677
 678     i?86-*-msdosdjgpp*)
 679         # DOS with the DJGPP environment
 680         ac_cv_have_dev_random=no
 681         AC_DEFINE(HAVE_DRIVE_LETTERS)
 682         have_dosish_system=yes
 683         try_gettext="no"
 684         ;;
 685
 686     *-*-hpux*)
 687         if test -z "$GCC" ; then
 688             CFLAGS="-Ae -D_HPUX_SOURCE $CFLAGS"
 689         fi
 690         ;;
 691     *-dec-osf4*)
 692         if test -z "$GCC" ; then
 693             # Suppress all warnings
 694             # to get rid of the unsigned/signed char mismatch warnings.
 695             CFLAGS="-w $CFLAGS"
 696         fi
 697         ;;
 698     *-dec-osf5*)
 699         if test -z "$GCC" ; then
 700             # Use the newer compiler `-msg_disable ptrmismatch1' to
 701             # get rid of the unsigned/signed char mismatch warnings.
 702             # Using this may hide other pointer mismatch warnings, but
 703             # it at least lets other warning classes through
 704             CFLAGS="-msg_disable ptrmismatch1 $CFLAGS"
 705         fi
 706         ;;
 707     m68k-atari-mint)
 708         ;;
 709     *-linux-android*)
 710         have_android_system=yes
 711         # Android is fully utf-8 and we do not want to use iconv to
 712         # keeps things simple
 713         require_iconv=no
 714         ;;
 715     *)
 716        ;;
 717 esac
 718
 719 if test "$have_dosish_system" = yes; then
 720    AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
 721              [Defined if we run on some of the PCDOS like systems
 722               (DOS, Windoze. OS/2) with special properties like
 723               no file modes, case insensitive file names and preferred
 724               use of backslashes as directory name separators.])
 725 fi
 726 AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes)
 727
 728 AM_CONDITIONAL(USE_SIMPLE_GETTEXT, test x"$use_simple_gettext" = xyes)
 729
 730 if test "$have_w32_system" = yes; then
 731    AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on a W32 API based system])
 732    if test "$have_w32ce_system" = yes; then
 733       AC_DEFINE(HAVE_W32CE_SYSTEM,1,[Defined if we run on WindowsCE])
 734    fi
 735 fi
 736 AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes)
 737 AM_CONDITIONAL(HAVE_W32CE_SYSTEM, test "$have_w32ce_system" = yes)
 738
 739 if test "$have_android_system" = yes; then
 740    AC_DEFINE(HAVE_ANDROID_SYSTEM,1, [Defined if we build for an Android system])
 741 fi
 742 AM_CONDITIONAL(HAVE_ANDROID_SYSTEM, test "$have_android_system" = yes)
 743
 744
 745 # (These need to go after AC_PROG_CC so that $EXEEXT is defined)
 746 AC_DEFINE_UNQUOTED(EXEEXT,"$EXEEXT",[The executable file extension, if any])
 747
 748
 749 #
 750 # Checks for libraries.
 751 #
 752 AC_MSG_NOTICE([checking for libraries])
 753
 754
 755 #
 756 # libgpg-error is a library with error codes shared between GnuPG
 757 # related projects.
 758 #
 759 AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION",
 760                   have_gpg_error=yes,have_gpg_error=no)
 761
 762
 763 #
 764 # Libgcrypt is our generic crypto library
 765 #
 766 AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION",
 767         have_libgcrypt=yes,have_libgcrypt=no)
 768
 769
 770 #
 771 # libassuan is used for IPC
 772 #
 773 AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
 774                   have_libassuan=yes,have_libassuan=no)
 775 if test "$have_libassuan" = "yes"; then
 776   AC_DEFINE_UNQUOTED(GNUPG_LIBASSUAN_VERSION, "$libassuan_version",
 777                      [version of the libassuan library])
 778   show_tor_support="only .onion"
 779 fi
 780
 781
 782 #
 783 # libksba is our X.509 support library
 784 #
 785 AM_PATH_KSBA("$NEED_KSBA_API:$NEED_KSBA_VERSION",have_ksba=yes,have_ksba=no)
 786
 787
 788 #
 789 # libusb allows us to use the integrated CCID smartcard reader driver.
 790 #
 791 # FiXME: Use GNUPG_CHECK_LIBUSB and modify to use separate AC_SUBSTs.
 792 if test "$use_ccid_driver" = auto || test "$use_ccid_driver" = yes; then
 793    case "${host}" in
 794      *-mingw32*)
 795        LIBUSB_NAME=
 796        LIBUSB_LIBS=
 797        LIBUSB_CPPFLAGS=
 798        ;;
 799      *-*-darwin*)
 800        LIBUSB_NAME=usb-1.0
 801        LIBUSB_LIBS="-Wl,-framework,CoreFoundation -Wl,-framework,IOKit"
 802        ;;
 803      *-*-freebsd*)
 804        # FreeBSD has a native 1.0 compatible library by -lusb.
 805        LIBUSB_NAME=usb
 806        LIBUSB_LIBS=
 807        ;;
 808      *)
 809        LIBUSB_NAME=usb-1.0
 810        LIBUSB_LIBS=
 811        ;;
 812    esac
 813 fi
 814 if test x"$LIBUSB_NAME" != x ; then
 815    AC_CHECK_LIB($LIBUSB_NAME, libusb_init,
 816                 [ LIBUSB_LIBS="-l$LIBUSB_NAME $LIBUSB_LIBS"
 817                   have_libusb=yes ])
 818    AC_MSG_CHECKING([libusb include dir])
 819    usb_incdir_found="no"
 820    for _incdir in "" "/usr/include/libusb-1.0" "/usr/local/include/libusb-1.0"; do
 821      _libusb_save_cppflags=$CPPFLAGS
 822      if test -n "${_incdir}"; then
 823        CPPFLAGS="-I${_incdir} ${CPPFLAGS}"
 824      fi
 825      AC_PREPROC_IFELSE([AC_LANG_SOURCE([[@%:@include <libusb.h>]])],
 826      [usb_incdir=${_incdir}; usb_incdir_found="yes"], [])
 827      CPPFLAGS=${_libusb_save_cppflags}
 828      if test "$usb_incdir_found" = "yes"; then
 829        break
 830      fi
 831    done
 832    if test "$usb_incdir_found" = "yes"; then
 833      AC_MSG_RESULT([${usb_incdir}])
 834    else
 835      AC_MSG_RESULT([not found])
 836      usb_incdir=""
 837      have_libusb=no
 838      if test "$use_ccid_driver" != yes; then
 839        use_ccid_driver=no
 840      fi
 841      LIBUSB_LIBS=""
 842    fi
 843
 844    if test "$have_libusb" = yes; then
 845      AC_DEFINE(HAVE_LIBUSB,1, [defined if libusb is available])
 846    fi
 847    if test x"$usb_incdir" = x; then
 848      LIBUSB_CPPFLAGS=""
 849    else
 850      LIBUSB_CPPFLAGS="-I${usb_incdir}"
 851    fi
 852 fi
 853 AC_SUBST(LIBUSB_LIBS)
 854 AC_SUBST(LIBUSB_CPPFLAGS)
 855
 856 #
 857 # Check wether it is necessary to link against libdl.
 858 # (For example to load libpcsclite)
 859 #
 860 gnupg_dlopen_save_libs="$LIBS"
 861 LIBS=""
 862 AC_SEARCH_LIBS(dlopen, c dl,,,)
 863 DL_LIBS=$LIBS
 864 AC_SUBST(DL_LIBS)
 865 LIBS="$gnupg_dlopen_save_libs"
 866
 867
 868 # Checks for g10
 869
 870 AC_ARG_ENABLE(sqlite,
 871                 AC_HELP_STRING([--disable-sqlite],
 872                                [disable the use of SQLITE]),
 873               try_sqlite=$enableval, try_sqlite=yes)
 874
 875 if test x"$use_tofu" = xyes ; then
 876   if test x"$try_sqlite" = xyes ; then
 877     PKG_CHECK_MODULES([SQLITE3], [sqlite3 >= $NEED_SQLITE_VERSION],
 878                                  [have_sqlite=yes],
 879                                  [have_sqlite=no])
 880   fi
 881   if test "$have_sqlite" = "yes"; then
 882     :
 883     AC_SUBST([SQLITE3_CFLAGS])
 884     AC_SUBST([SQLITE3_LIBS])
 885   else
 886     use_tofu=no
 887     tmp=$(echo "$SQLITE3_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
 888     AC_MSG_WARN([[
 889 ***
 890 *** Building without SQLite support - TOFU disabled
 891 ***
 892 *** $tmp]])
 893   fi
 894 fi
 895
 896 AM_CONDITIONAL(SQLITE3, test "$have_sqlite" = "yes")
 897
 898 if test x"$use_tofu" = xyes ; then
 899     AC_DEFINE(USE_TOFU, 1, [Enable to build the TOFU code])
 900 fi
 901
 902
 903 # Checks for g13
 904
 905 AC_PATH_PROG(ENCFS, encfs, /usr/bin/encfs)
 906 AC_DEFINE_UNQUOTED(ENCFS,
 907         "${ENCFS}", [defines the filename of the encfs program])
 908
 909 AC_PATH_PROG(FUSERMOUNT, fusermount, /usr/bin/fusermount)
 910 AC_DEFINE_UNQUOTED(FUSERMOUNT,
 911         "${FUSERMOUNT}", [defines the filename of the fusermount program])
 912
 913
 914 # Checks for dirmngr
 915
 916
 917 #
 918 # Checks for symcryptrun:
 919 #
 920
 921 # libutil has openpty() and login_tty().
 922 AC_CHECK_LIB(util, openpty,
 923               [ LIBUTIL_LIBS="$LIBUTIL_LIBS -lutil"
 924                 AC_DEFINE(HAVE_LIBUTIL,1,
 925                          [defined if libutil is available])
 926              ])
 927 AC_SUBST(LIBUTIL_LIBS)
 928
 929 # shred is used to clean temporary plain text files.
 930 AC_PATH_PROG(SHRED, shred, /usr/bin/shred)
 931 AC_DEFINE_UNQUOTED(SHRED,
 932         "${SHRED}", [defines the filename of the shred program])
 933
 934
 935 #
 936 # Check whether the nPth library is available
 937 #
 938 AM_PATH_NPTH("$NEED_NPTH_API:$NEED_NPTH_VERSION",have_npth=yes,have_npth=no)
 939 if test "$have_npth" = "yes"; then
 940   AC_DEFINE(HAVE_NPTH, 1,
 941               [Defined if the New Portable Thread Library is available])
 942   AC_DEFINE(USE_NPTH, 1,
 943               [Defined if support for nPth is requested and nPth is available])
 944 else
 945   AC_MSG_WARN([[
 946 ***
 947 *** To support concurrent access for example in gpg-agent and the SCdaemon
 948 *** we need the support of the New Portable Threads Library.
 949 ***]])
 950 fi
 951
 952
 953 #
 954 # NTBTLS is our TLS library.  If it is not available fallback to
 955 # GNUTLS.
 956 #
 957 AC_ARG_ENABLE(ntbtls,
 958               AC_HELP_STRING([--disable-ntbtls],
 959                              [disable the use of NTBTLS as TLS library]),
 960               try_ntbtls=$enableval, try_ntbtls=yes)
 961 if test x"$try_ntbtls" = xyes ; then
 962   AM_PATH_NTBTLS("$NEED_NTBTLS_API:$NEED_NTBTLS_VERSION",
 963                  [have_ntbtls=yes],[have_ntbtls=no])
 964 fi
 965 if test "$have_ntbtls" = yes ; then
 966    use_tls_library=ntbtls
 967    AC_DEFINE(HTTP_USE_NTBTLS, 1, [Enable NTBTLS support in http.c])
 968 else
 969   AC_ARG_ENABLE(gnutls,
 970                 AC_HELP_STRING([--disable-gnutls],
 971                                [disable GNUTLS as fallback TLS library]),
 972                 try_gnutls=$enableval, try_gnutls=yes)
 973   if test x"$try_gnutls" = xyes ; then
 974     PKG_CHECK_MODULES([LIBGNUTLS], [gnutls >= $NEED_GNUTLS_VERSION],
 975                                    [have_gnutls=yes],
 976                                    [have_gnutls=no])
 977   fi
 978   if test "$have_gnutls" = "yes"; then
 979     AC_SUBST([LIBGNUTLS_CFLAGS])
 980     AC_SUBST([LIBGNUTLS_LIBS])
 981     use_tls_library=gnutls
 982     AC_DEFINE(HTTP_USE_GNUTLS, 1, [Enable GNUTLS support in http.c])
 983   else
 984     tmp=$(echo "$LIBGNUTLS_PKG_ERRORS" | tr '\n' '\v' | sed 's/\v/\n*** /g')
 985     AC_MSG_WARN([[
 986 ***
 987 *** Building without NTBTLS and GNUTLS - no TLS access to keyservers.
 988 ***
 989 *** $tmp]])
 990   fi
 991 fi
 992
 993 #
 994 # Allow to set a fixed trust store file for system provided certificates.
 995 #
 996 AC_ARG_WITH([default-trust-store-file],
 997             [AC_HELP_STRING([--with-default-trust-store-file=FILE],
 998                             [Use FILE as system trust store])],
 999             default_trust_store_file="$withval",
1000             default_trust_store_file="")
1001 if test x"$default_trust_store_file" = xno;then
1002   default_trust_store_file=""
1003 fi
1004 if test x"$default_trust_store_file" != x ; then
1005   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_FILE],
1006     ["$default_trust_store_file"], [Use as default system trust store file])
1007 fi
1008
1009
1010 AC_MSG_NOTICE([checking for networking options])
1011
1012 #
1013 # Must check for network library requirements before doing link tests
1014 # for ldap, for example. If ldap libs are static (or dynamic and without
1015 # ELF runtime link paths), then link will fail and LDAP support won't
1016 # be detected.
1017 #
1018 AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname,
1019         [NETLIBS="-lnsl $NETLIBS"]))
1020 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
1021         [NETLIBS="-lsocket $NETLIBS"]))
1022
1023
1024 #
1025 # Check standard resolver functions.
1026 #
1027 if test "$build_dirmngr" = "yes"; then
1028   _dns_save_libs=$LIBS
1029   LIBS=""
1030
1031   # Find the system resolver which can always be enabled with
1032   # the dirmngr option --standard-resolver.
1033
1034   # the double underscore thing is a glibc-ism?
1035   AC_SEARCH_LIBS(res_query,resolv bind,,
1036                  AC_SEARCH_LIBS(__res_query,resolv bind,,have_resolver=no))
1037   AC_SEARCH_LIBS(dn_expand,resolv bind,,
1038                  AC_SEARCH_LIBS(__dn_expand,resolv bind,,have_resolver=no))
1039
1040   # macOS renames dn_skipname into res_9_dn_skipname in <resolv.h>,
1041   # and for some reason fools us into believing we don't need
1042   # -lresolv even if we do.  Since the test program checking for the
1043   # symbol does not include <resolv.h>, we need to check for the
1044   # renamed symbol explicitly.
1045   AC_SEARCH_LIBS(res_9_dn_skipname,resolv bind,,
1046       AC_SEARCH_LIBS(dn_skipname,resolv bind,,
1047           AC_SEARCH_LIBS(__dn_skipname,resolv bind,,have_resolver=no)))
1048
1049   if test x"$have_resolver" != xno ; then
1050
1051       # Make sure that the BIND 4 resolver interface is workable before
1052       # enabling any code that calls it.  At some point I'll rewrite the
1053       # code to use the BIND 8 resolver API.
1054       # We might also want to use libdns instead.
1055
1056     AC_MSG_CHECKING([whether the resolver is usable])
1057     AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1058 #include <netinet/in.h>
1059 #include <arpa/nameser.h>
1060 #include <resolv.h>]],
1061 [[unsigned char answer[PACKETSZ];
1062   res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);
1063   dn_skipname(0,0);
1064   dn_expand(0,0,0,0,0);
1065 ]])],have_resolver=yes,have_resolver=no)
1066     AC_MSG_RESULT($have_resolver)
1067
1068     # This is Apple-specific and somewhat bizarre as they changed the
1069     # define in bind 8 for some reason.
1070
1071     if test x"$have_resolver" != xyes ; then
1072       AC_MSG_CHECKING(
1073            [whether I can make the resolver usable with BIND_8_COMPAT])
1074       AC_LINK_IFELSE([AC_LANG_PROGRAM([[#define BIND_8_COMPAT
1075 #include <sys/types.h>
1076 #include <netinet/in.h>
1077 #include <arpa/nameser.h>
1078 #include <resolv.h>]],
1079 [[unsigned char answer[PACKETSZ];
1080   res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);
1081   dn_skipname(0,0); dn_expand(0,0,0,0,0);
1082 ]])],[have_resolver=yes ; need_compat=yes])
1083       AC_MSG_RESULT($have_resolver)
1084     fi
1085   fi
1086
1087   if test x"$have_resolver" = xyes ; then
1088     AC_DEFINE(HAVE_SYSTEM_RESOLVER,1,[The system's resolver is usable.])
1089     DNSLIBS="$DNSLIBS $LIBS"
1090     if test x"$need_compat" = xyes ; then
1091       AC_DEFINE(BIND_8_COMPAT,1,[an Apple OSXism])
1092     fi
1093     if test "$use_libdns" = yes; then
1094      show_tor_support=yes
1095     fi
1096   elif test "$use_libdns" = yes; then
1097     show_tor_support=yes
1098   else
1099     AC_MSG_WARN([[
1100 ***
1101 *** The system's DNS resolver is not usable.
1102 *** Dirmngr functionality is limited.
1103 ***]])
1104     show_tor_support="${show_tor_support} (no system resolver)"
1105   fi
1106
1107   if test "$have_w32_system" = yes; then
1108     if test "$use_libdns" = yes; then
1109       DNSLIBS="$DNSLIBS -liphlpapi"
1110     fi
1111   fi
1112
1113   LIBS=$_dns_save_libs
1114 fi
1115
1116 AC_SUBST(DNSLIBS)
1117
1118
1119 #
1120 # Check for LDAP
1121 #
1122 # Note that running the check changes the variable
1123 # gnupg_have_ldap from "n/a" to "no" or "yes".
1124
1125 AC_ARG_ENABLE(ldap,
1126     AC_HELP_STRING([--disable-ldap],[disable LDAP support]),
1127     [if test "$enableval" = "no"; then gnupg_have_ldap=no; fi])
1128
1129 if test "$gnupg_have_ldap" != "no" ; then
1130   if test "$build_dirmngr" = "yes" ; then
1131      GNUPG_CHECK_LDAP($NETLIBS)
1132      AC_CHECK_LIB(lber, ber_free,
1133                   [ LBER_LIBS="$LBER_LIBS -llber"
1134                     AC_DEFINE(HAVE_LBER,1,
1135                              [defined if liblber is available])
1136                     have_lber=yes
1137                  ])
1138   fi
1139 fi
1140 AC_SUBST(LBER_LIBS)
1141 if test "$gnupg_have_ldap" = "no"; then
1142     AC_MSG_WARN([[
1143 ***
1144 *** Building without LDAP support.
1145 *** No CRL access or X.509 certificate search available.
1146 ***]])
1147 fi
1148
1149 AM_CONDITIONAL(USE_LDAP, [test "$gnupg_have_ldap" = yes])
1150 if test "$gnupg_have_ldap" = yes ; then
1151   AC_DEFINE(USE_LDAP,1,[Defined if LDAP is support])
1152 else
1153  use_ldapwrapper=no
1154 fi
1155
1156 if test "$use_ldapwrapper" = yes; then
1157    AC_DEFINE(USE_LDAPWRAPPER,1, [Build dirmngr with LDAP wrapper process])
1158 fi
1159 AM_CONDITIONAL(USE_LDAPWRAPPER, test "$use_ldapwrapper" = yes)
1160
1161
1162
1163
1164 #
1165 # Check for sendmail
1166 #
1167 # This isn't necessarily sendmail itself, but anything that gives a
1168 # sendmail-ish interface to the outside world.  That includes Exim,
1169 # Postfix, etc.  Basically, anything that can handle "sendmail -t".
1170 AC_ARG_WITH(mailprog,
1171       AC_HELP_STRING([--with-mailprog=NAME],
1172                      [use "NAME -t" for mail transport]),
1173              ,with_mailprog=yes)
1174 if test x"$with_mailprog" = xyes ; then
1175     AC_PATH_PROG(SENDMAIL,sendmail,,$PATH:/usr/sbin:/usr/libexec:/usr/lib)
1176 elif test x"$with_mailprog" != xno ; then
1177     AC_MSG_CHECKING([for a mail transport program])
1178     AC_SUBST(SENDMAIL,$with_mailprog)
1179     AC_MSG_RESULT($with_mailprog)
1180 fi
1181
1182
1183 #
1184 # Construct a printable name of the OS
1185 #
1186 case "${host}" in
1187     *-mingw32ce*)
1188         PRINTABLE_OS_NAME="W32CE"
1189         ;;
1190     *-mingw32*)
1191         PRINTABLE_OS_NAME="MingW32"
1192         ;;
1193     *-*-cygwin*)
1194         PRINTABLE_OS_NAME="Cygwin"
1195         ;;
1196     i?86-emx-os2 | i?86-*-os2*emx )
1197         PRINTABLE_OS_NAME="OS/2"
1198         ;;
1199     i?86-*-msdosdjgpp*)
1200         PRINTABLE_OS_NAME="MSDOS/DJGPP"
1201         try_dynload=no
1202         ;;
1203     *-linux*)
1204         PRINTABLE_OS_NAME="GNU/Linux"
1205         ;;
1206     *)
1207         PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
1208         ;;
1209 esac
1210 AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME",
1211                    [A human readable text with the name of the OS])
1212
1213
1214 #
1215 # Checking for iconv
1216 #
1217 if test "$require_iconv" = yes; then
1218   AM_ICONV
1219 else
1220   LIBICONV=
1221   LTLIBICONV=
1222   AC_SUBST(LIBICONV)
1223   AC_SUBST(LTLIBICONV)
1224 fi
1225
1226
1227 #
1228 # Check for gettext
1229 #
1230 # This is "GNU gnupg" - The project-id script from gettext
1231 #                       needs this string
1232 #
1233 AC_MSG_NOTICE([checking for gettext])
1234 AM_PO_SUBDIRS
1235 AM_GNU_GETTEXT_VERSION([0.17])
1236 if test "$try_gettext" = yes; then
1237   AM_GNU_GETTEXT([external],[need-ngettext])
1238
1239   # gettext requires some extra checks.  These really should be part of
1240   # the basic AM_GNU_GETTEXT macro.  TODO: move other gettext-specific
1241   # function checks to here.
1242
1243   AC_CHECK_FUNCS(strchr)
1244 else
1245   USE_NLS=no
1246   USE_INCLUDED_LIBINTL=no
1247   BUILD_INCLUDED_LIBINTL=no
1248   POSUB=po
1249   AC_SUBST(USE_NLS)
1250   AC_SUBST(USE_INCLUDED_LIBINTL)
1251   AC_SUBST(BUILD_INCLUDED_LIBINTL)
1252   AC_SUBST(POSUB)
1253 fi
1254
1255 # We use HAVE_LANGINFO_CODESET in a couple of places.
1256 AM_LANGINFO_CODESET
1257
1258 # Checks required for our use of locales
1259 gt_LC_MESSAGES
1260
1261
1262 #
1263 # SELinux support
1264 #
1265 if test "$selinux_support" = yes ; then
1266   AC_DEFINE(ENABLE_SELINUX_HACKS,1,[Define to enable SELinux support])
1267 fi
1268
1269
1270 #
1271 # Checks for header files.
1272 #
1273 AC_MSG_NOTICE([checking for header files])
1274 AC_HEADER_STDC
1275 AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h \
1276                   pty.h utmp.h pwd.h inttypes.h signal.h sys/select.h     \
1277                   stdint.h signal.h])
1278 AC_HEADER_TIME
1279
1280
1281 #
1282 # Checks for typedefs, structures, and compiler characteristics.
1283 #
1284 AC_MSG_NOTICE([checking for system characteristics])
1285 AC_C_CONST
1286 AC_C_INLINE
1287 AC_C_VOLATILE
1288 AC_TYPE_SIZE_T
1289 AC_TYPE_MODE_T
1290 AC_TYPE_SIGNAL
1291 AC_DECL_SYS_SIGLIST
1292
1293 gl_HEADER_SYS_SOCKET
1294 gl_TYPE_SOCKLEN_T
1295
1296 AC_SEARCH_LIBS([inet_addr], [nsl])
1297
1298 AC_ARG_ENABLE(endian-check,
1299               AC_HELP_STRING([--disable-endian-check],
1300               [disable the endian check and trust the OS provided macros]),
1301               endiancheck=$enableval,endiancheck=yes)
1302
1303 if test x"$endiancheck" = xyes ; then
1304   GNUPG_CHECK_ENDIAN
1305 fi
1306
1307 # fixme: we should get rid of the byte type
1308 GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
1309 GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
1310 GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
1311 GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
1312 GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
1313
1314 AC_CHECK_SIZEOF(unsigned short)
1315 AC_CHECK_SIZEOF(unsigned int)
1316 AC_CHECK_SIZEOF(unsigned long)
1317 AC_CHECK_SIZEOF(unsigned long long)
1318 AC_HEADER_TIME
1319 AC_CHECK_SIZEOF(time_t,,[[
1320 #include <stdio.h>
1321 #if TIME_WITH_SYS_TIME
1322 # include <sys/time.h>
1323 # include <time.h>
1324 #else
1325 # if HAVE_SYS_TIME_H
1326 #  include <sys/time.h>
1327 # else
1328 #  include <time.h>
1329 # endif
1330 #endif
1331 ]])
1332 GNUPG_TIME_T_UNSIGNED
1333
1334
1335 if test "$ac_cv_sizeof_unsigned_short" = "0" \
1336    || test "$ac_cv_sizeof_unsigned_int" = "0" \
1337    || test "$ac_cv_sizeof_unsigned_long" = "0"; then
1338     AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]);
1339 fi
1340
1341
1342 #
1343 # Checks for library functions.
1344 #
1345 AC_MSG_NOTICE([checking for library functions])
1346 AC_CHECK_DECLS(getpagesize)
1347 AC_FUNC_FSEEKO
1348 AC_FUNC_VPRINTF
1349 AC_FUNC_FORK
1350 AC_CHECK_FUNCS([strerror strlwr tcgetattr mmap canonicalize_file_name])
1351 AC_CHECK_FUNCS([strcasecmp strncasecmp ctermid times gmtime_r strtoull])
1352 AC_CHECK_FUNCS([setenv unsetenv fcntl ftruncate inet_ntop])
1353 AC_CHECK_FUNCS([canonicalize_file_name])
1354 AC_CHECK_FUNCS([gettimeofday getrusage getrlimit setrlimit clock_gettime])
1355 AC_CHECK_FUNCS([atexit raise getpagesize strftime nl_langinfo setlocale])
1356 AC_CHECK_FUNCS([waitpid wait4 sigaction sigprocmask pipe getaddrinfo])
1357 AC_CHECK_FUNCS([ttyname rand ftello fsync stat lstat])
1358 AC_CHECK_FUNCS([memicmp stpcpy strsep strlwr strtoul memmove stricmp strtol \
1359                 memrchr isascii timegm getrusage setrlimit stat setlocale   \
1360                 flockfile funlockfile getpwnam getpwuid \
1361                 getenv inet_pton strpbrk])
1362
1363 # On some systems (e.g. Solaris) nanosleep requires linking to librl.
1364 # Given that we use nanosleep only as an optimization over a select
1365 # based wait function we want it only if it is available in libc.
1366 _save_libs="$LIBS"
1367 AC_SEARCH_LIBS([nanosleep], [],
1368                [AC_DEFINE(HAVE_NANOSLEEP,1,
1369                 [Define to 1 if you have the `nanosleep' function in libc.])])
1370 LIBS="$_save_libs"
1371
1372
1373 # See whether libc supports the Linux inotify interface
1374 case "${host}" in
1375     *-*-linux*)
1376         AC_CHECK_FUNCS([inotify_init])
1377         ;;
1378 esac
1379
1380
1381 if test "$have_android_system" = yes; then
1382    # On Android ttyname is a stub but prints an error message.
1383    AC_DEFINE(HAVE_BROKEN_TTYNAME,1,
1384              [Defined if ttyname does not work properly])
1385 fi
1386
1387 AC_CHECK_TYPES([struct sigaction, sigset_t],,,[#include <signal.h>])
1388
1389 # Dirmngr requires mmap on Unix systems.
1390 if test $ac_cv_func_mmap != yes -a $mmap_needed = yes; then
1391   AC_MSG_ERROR([[Sorry, the current implemenation requires mmap.]])
1392 fi
1393
1394
1395 #
1396 # Check for the getsockopt SO_PEERCRED
1397 # (This has been copied from libassuan)
1398 #
1399 AC_MSG_CHECKING(for SO_PEERCRED)
1400 AC_CACHE_VAL(gnupg_cv_sys_so_peercred,
1401       [AC_TRY_COMPILE([#include <sys/socket.h>],
1402          [struct ucred cr;
1403           int cl = sizeof cr;
1404           getsockopt (1, SOL_SOCKET, SO_PEERCRED, &cr, &cl);],
1405           gnupg_cv_sys_so_peercred=yes,
1406           gnupg_cv_sys_so_peercred=no)
1407        ])
1408 AC_MSG_RESULT($gnupg_cv_sys_so_peercred)
1409
1410 if test $gnupg_cv_sys_so_peercred = yes; then
1411   AC_DEFINE(HAVE_SO_PEERCRED, 1,
1412             [Defined if SO_PEERCRED is supported (Linux specific)])
1413 else
1414   # Check for the getsockopt LOCAL_PEEREID (NetBSD)
1415   AC_MSG_CHECKING(for LOCAL_PEEREID)
1416   AC_CACHE_VAL(gnupg_cv_sys_so_local_peereid,
1417       [AC_TRY_COMPILE([#include <sys/socket.>
1418          #include <sys/un.h>],
1419          [struct unpcbid unp;
1420           int unpl = sizeof unp;
1421           getsockopt (1, SOL_SOCKET, LOCAL_PEEREID, &unp, &unpl);],
1422           gnupg_cv_sys_so_local_peereid=yes,
1423           gnupg_cv_sys_so_local_peereid=no)
1424        ])
1425   AC_MSG_RESULT($gnupg_cv_sys_so_local_peereid)
1426
1427   if test $gnupg_cv_sys_so_local_peereid = yes; then
1428     AC_DEFINE(HAVE_LOCAL_PEEREID, 1,
1429               [Defined if LOCAL_PEEREID is supported (NetBSD specific)])
1430   else
1431     # (Open)Solaris
1432     AC_CHECK_FUNCS([getpeerucred], AC_CHECK_HEADERS([ucred.h]))
1433     if test $ac_cv_func_getpeerucred != yes; then
1434         # FreeBSD
1435         AC_CHECK_FUNCS([getpeereid])
1436     fi
1437   fi
1438 fi
1439
1440
1441 #
1442 # W32 specific test
1443 #
1444 GNUPG_FUNC_MKDIR_TAKES_ONE_ARG
1445
1446 #
1447 # Sanity check regex.  Tests adapted from mutt.
1448 #
1449 AC_MSG_CHECKING([whether regular expression support is requested])
1450 AC_ARG_ENABLE(regex,
1451   AC_HELP_STRING([--disable-regex],
1452     [do not handle regular expressions in trust signatures]),
1453   use_regex=$enableval, use_regex=yes)
1454 AC_MSG_RESULT($use_regex)
1455
1456 if test "$use_regex" = yes ; then
1457   _cppflags="${CPPFLAGS}"
1458   _ldflags="${LDFLAGS}"
1459   AC_ARG_WITH(regex,
1460      AC_HELP_STRING([--with-regex=DIR],[look for regex in DIR]),
1461       [
1462       if test -d "$withval" ; then
1463         CPPFLAGS="${CPPFLAGS} -I$withval/include"
1464         LDFLAGS="${LDFLAGS} -L$withval/lib"
1465       fi
1466       ],withval="")
1467
1468   # Does the system have regex functions at all?
1469   AC_SEARCH_LIBS([regcomp], [regex])
1470   AC_CHECK_FUNC(regcomp, gnupg_cv_have_regex=yes, gnupg_cv_have_regex=no)
1471
1472   if test $gnupg_cv_have_regex = no; then
1473     use_regex=no
1474   else
1475     if test x"$cross_compiling" = xyes; then
1476       AC_MSG_WARN([cross compiling; assuming regexp libray is not broken])
1477     else
1478       AC_CACHE_CHECK([whether your system's regexp library is broken],
1479        [gnupg_cv_regex_broken],
1480        AC_TRY_RUN([
1481 #include <unistd.h>
1482 #include <regex.h>
1483 main() { regex_t blah ; regmatch_t p; p.rm_eo = p.rm_eo; return regcomp(&blah, "foo.*bar", REG_NOSUB) || regexec (&blah, "foobar", 0, NULL, 0); }],
1484        gnupg_cv_regex_broken=no, gnupg_cv_regex_broken=yes, gnupg_cv_regex_broken=yes))
1485
1486       if test $gnupg_cv_regex_broken = yes; then
1487         AC_MSG_WARN([your regex is broken - disabling regex use])
1488         use_regex=no
1489       fi
1490     fi
1491   fi
1492   CPPFLAGS="${_cppflags}"
1493   LDFLAGS="${_ldflags}"
1494 fi
1495
1496 if test "$use_regex" != yes ; then
1497   AC_DEFINE(DISABLE_REGEX,1, [Define to disable regular expression support])
1498 fi
1499 AM_CONDITIONAL(DISABLE_REGEX, test x"$use_regex" != xyes)
1500
1501
1502
1503 #
1504 # Do we have zlib? Must do it here because Solaris failed
1505 # when compiling a conftest (due to the "-lz" from LIBS).
1506 # Note that we combine zlib and bzlib2 in ZLIBS.
1507 #
1508 if test "$use_zip" = yes ; then
1509   _cppflags="${CPPFLAGS}"
1510   _ldflags="${LDFLAGS}"
1511   AC_ARG_WITH(zlib,
1512     [  --with-zlib=DIR         use libz in DIR],[
1513       if test -d "$withval"; then
1514         CPPFLAGS="${CPPFLAGS} -I$withval/include"
1515         LDFLAGS="${LDFLAGS} -L$withval/lib"
1516       fi
1517     ])
1518
1519   AC_CHECK_HEADER(zlib.h,
1520      AC_CHECK_LIB(z, deflateInit2_,
1521        [
1522        ZLIBS="-lz"
1523        AC_DEFINE(HAVE_ZIP,1, [Defined if ZIP and ZLIB are supported])
1524        ],
1525        CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
1526        CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags})
1527 fi
1528
1529
1530 #
1531 # Check whether we can support bzip2
1532 #
1533 if test "$use_bzip2" = yes ; then
1534   _cppflags="${CPPFLAGS}"
1535   _ldflags="${LDFLAGS}"
1536   AC_ARG_WITH(bzip2,
1537      AC_HELP_STRING([--with-bzip2=DIR],[look for bzip2 in DIR]),
1538       [
1539       if test -d "$withval" ; then
1540         CPPFLAGS="${CPPFLAGS} -I$withval/include"
1541         LDFLAGS="${LDFLAGS} -L$withval/lib"
1542       fi
1543       ],withval="")
1544
1545   # Checking alongside stdio.h as an early version of bzip2 (1.0)
1546   # required stdio.h to be included before bzlib.h, and Solaris 9 is
1547   # woefully out of date.
1548   if test "$withval" != no ; then
1549      AC_CHECK_HEADER(bzlib.h,
1550         AC_CHECK_LIB(bz2,BZ2_bzCompressInit,
1551           [
1552           have_bz2=yes
1553           ZLIBS="$ZLIBS -lbz2"
1554           AC_DEFINE(HAVE_BZIP2,1,
1555                   [Defined if the bz2 compression library is available])
1556           ],
1557           CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
1558           CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags},[#include <stdio.h>])
1559   fi
1560 fi
1561 AM_CONDITIONAL(ENABLE_BZIP2_SUPPORT,test x"$have_bz2" = "xyes")
1562 AC_SUBST(ZLIBS)
1563
1564
1565 # Check for readline support
1566 GNUPG_CHECK_READLINE
1567
1568
1569 if test "$development_version" = yes; then
1570     AC_DEFINE(IS_DEVELOPMENT_VERSION,1,
1571             [Defined if this is not a regular release])
1572 fi
1573
1574 AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes)
1575
1576 GNUPG_CHECK_GNUMAKE
1577
1578 # Add some extra libs here so that previous tests don't fail for
1579 # mysterious reasons - the final link step should bail out.
1580 # W32SOCKLIBS is also defined so that if can be used for tools not
1581 # requiring any network stuff but linking to code in libcommon which
1582 # tracks in winsock stuff (e.g. init_common_subsystems).
1583 if test "$have_w32_system" = yes; then
1584    if test "$have_w32ce_system" = yes; then
1585      W32SOCKLIBS="-lws2"
1586    else
1587      W32SOCKLIBS="-lws2_32"
1588    fi
1589    NETLIBS="${NETLIBS} ${W32SOCKLIBS}"
1590 fi
1591
1592 AC_SUBST(NETLIBS)
1593 AC_SUBST(W32SOCKLIBS)
1594
1595 #
1596 # Setup gcc specific options
1597 #
1598 USE_C99_CFLAGS=
1599 AC_MSG_NOTICE([checking for cc features])
1600 if test "$GCC" = yes; then
1601     mycflags=
1602     mycflags_save=$CFLAGS
1603
1604     # Check whether gcc does not emit a diagnositc for unknow -Wno-*
1605     # options.  This is the case for gcc >= 4.6
1606     AC_MSG_CHECKING([if gcc ignores unknown -Wno-* options])
1607     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
1608 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 6 )
1609 #kickerror
1610 #endif]],[])],[_gcc_silent_wno=yes],[_gcc_silent_wno=no])
1611     AC_MSG_RESULT($_gcc_silent_wno)
1612
1613     # Note that it is okay to use CFLAGS here because these are just
1614     # warning options and the user should have a chance of overriding
1615     # them.
1616     if test "$USE_MAINTAINER_MODE" = "yes"; then
1617         mycflags="$mycflags -O3 -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
1618         mycflags="$mycflags -Wformat -Wno-format-y2k -Wformat-security"
1619         if test x"$_gcc_silent_wno" = xyes ; then
1620           _gcc_wopt=yes
1621         else
1622           AC_MSG_CHECKING([if gcc supports -Wno-missing-field-initializers])
1623           CFLAGS="-Wno-missing-field-initializers"
1624           AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
1625                             [_gcc_wopt=yes],[_gcc_wopt=no])
1626           AC_MSG_RESULT($_gcc_wopt)
1627         fi
1628         if test x"$_gcc_wopt" = xyes ; then
1629           mycflags="$mycflags -W -Wno-sign-compare"
1630           mycflags="$mycflags -Wno-missing-field-initializers"
1631         fi
1632
1633         AC_MSG_CHECKING([if gcc supports -Wdeclaration-after-statement])
1634         CFLAGS="-Wdeclaration-after-statement"
1635         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no)
1636         AC_MSG_RESULT($_gcc_wopt)
1637         if test x"$_gcc_wopt" = xyes ; then
1638           mycflags="$mycflags -Wdeclaration-after-statement"
1639         fi
1640
1641         AC_MSG_CHECKING([if gcc supports -Wlogical-op and -Wvla])
1642         CFLAGS="-Wlogical-op -Wvla"
1643         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_wopt=yes,_gcc_wopt=no)
1644         AC_MSG_RESULT($_gcc_wopt)
1645         if test x"$_gcc_wopt" = xyes ; then
1646           mycflags="$mycflags -Wlogical-op -Wvla"
1647         fi
1648
1649     else
1650         mycflags="$mycflags -Wall"
1651     fi
1652
1653     if test x"$_gcc_silent_wno" = xyes ; then
1654       _gcc_psign=yes
1655     else
1656       AC_MSG_CHECKING([if gcc supports -Wno-pointer-sign])
1657       CFLAGS="-Wno-pointer-sign"
1658       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
1659                         [_gcc_psign=yes],[_gcc_psign=no])
1660       AC_MSG_RESULT($_gcc_psign)
1661     fi
1662     if test x"$_gcc_psign" = xyes ; then
1663        mycflags="$mycflags -Wno-pointer-sign"
1664     fi
1665
1666     AC_MSG_CHECKING([if gcc supports -Wpointer-arith])
1667     CFLAGS="-Wpointer-arith"
1668     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],_gcc_psign=yes,_gcc_psign=no)
1669     AC_MSG_RESULT($_gcc_psign)
1670     if test x"$_gcc_psign" = xyes ; then
1671        mycflags="$mycflags -Wpointer-arith"
1672     fi
1673
1674     CFLAGS="$mycflags $mycflags_save"
1675     if test "$use_libdns" = yes; then
1676        # dirmngr/dns.{c,h} require C99 and GNU extensions.  */
1677        USE_C99_CFLAGS="-std=gnu99"
1678     fi
1679 fi
1680
1681 AC_SUBST(USE_C99_CFLAGS)
1682
1683
1684 #
1685 # This is handy for debugging so the compiler doesn't rearrange
1686 # things and eliminate variables.
1687 #
1688 AC_ARG_ENABLE(optimization,
1689    AC_HELP_STRING([--disable-optimization],
1690                   [disable compiler optimization]),
1691                   [if test $enableval = no ; then
1692                       CFLAGS=`echo $CFLAGS | sed s/-O[[1-9]]\ /-O0\ /g`
1693                    fi])
1694
1695 #
1696 # We do not want support for the GNUPG_BUILDDIR environment variable
1697 # in a released version.  However, our regression tests suite requires
1698 # this and thus we build with support for it during "make distcheck".
1699 # This configure option implements this along with the top Makefile's
1700 # AM_DISTCHECK_CONFIGURE_FLAGS.
1701 #
1702 gnupg_builddir_envvar=no
1703 AC_ARG_ENABLE(gnupg-builddir-envvar,,
1704               gnupg_builddir_envvar=$enableval)
1705 if test x"$gnupg_builddir_envvar" = x"yes"; then
1706    AC_DEFINE(ENABLE_GNUPG_BUILDDIR_ENVVAR, 1,
1707       [This is only used with "make distcheck"])
1708 fi
1709
1710 #
1711 # Add user CFLAGS.
1712 #
1713 CFLAGS="$CFLAGS $CFLAGS_orig"
1714
1715 #
1716 # Decide what to build
1717 #
1718
1719 build_scdaemon_extra=""
1720 if test "$build_scdaemon" = "yes"; then
1721   if test $have_libusb = no; then
1722      build_scdaemon_extra="without internal CCID driver"
1723   fi
1724   if test -n "$build_scdaemon_extra"; then
1725      build_scdaemon_extra="(${build_scdaemon_extra})"
1726   fi
1727 fi
1728
1729
1730 #
1731 # Set variables for use by automake makefiles.
1732 #
1733 AM_CONDITIONAL(BUILD_GPG,         test "$build_gpg" = "yes")
1734 AM_CONDITIONAL(BUILD_GPGSM,       test "$build_gpgsm" = "yes")
1735 AM_CONDITIONAL(BUILD_AGENT,       test "$build_agent" = "yes")
1736 AM_CONDITIONAL(BUILD_SCDAEMON,    test "$build_scdaemon" = "yes")
1737 AM_CONDITIONAL(BUILD_G13,         test "$build_g13" = "yes")
1738 AM_CONDITIONAL(BUILD_DIRMNGR,     test "$build_dirmngr" = "yes")
1739 AM_CONDITIONAL(BUILD_TOOLS,       test "$build_tools" = "yes")
1740 AM_CONDITIONAL(BUILD_DOC,         test "$build_doc" = "yes")
1741 AM_CONDITIONAL(BUILD_SYMCRYPTRUN, test "$build_symcryptrun" = "yes")
1742 AM_CONDITIONAL(BUILD_GPGTAR,      test "$build_gpgtar" = "yes")
1743 AM_CONDITIONAL(BUILD_WKS_TOOLS,   test "$build_wks_tools" = "yes")
1744
1745 AM_CONDITIONAL(ENABLE_CARD_SUPPORT, test "$card_support" = yes)
1746 AM_CONDITIONAL(NO_TRUST_MODELS,     test "$use_trust_models" = no)
1747 AM_CONDITIONAL(USE_TOFU,            test "$use_tofu" = yes)
1748
1749 #
1750 # Set some defines for use gpgconf.
1751 #
1752 if test "$build_gpg" = yes ; then
1753     AC_DEFINE(BUILD_WITH_GPG,1,[Defined if GPG is to be build])
1754 fi
1755 if test "$build_gpgsm" = yes ; then
1756     AC_DEFINE(BUILD_WITH_GPGSM,1,[Defined if GPGSM is to be build])
1757 fi
1758 if test "$build_agent" = yes ; then
1759     AC_DEFINE(BUILD_WITH_AGENT,1,[Defined if GPG-AGENT is to be build])
1760 fi
1761 if test "$build_scdaemon" = yes ; then
1762     AC_DEFINE(BUILD_WITH_SCDAEMON,1,[Defined if SCDAEMON is to be build])
1763 fi
1764 if test "$build_dirmngr" = yes ; then
1765     AC_DEFINE(BUILD_WITH_DIRMNGR,1,[Defined if SCDAEMON is to be build])
1766 fi
1767 if test "$build_g13" = yes ; then
1768     AC_DEFINE(BUILD_WITH_G13,1,[Defined if G13 is to be build])
1769 fi
1770
1771
1772 #
1773 # Define Name strings
1774 #
1775 AC_DEFINE_UNQUOTED(GNUPG_NAME, "GnuPG", [The name of the project])
1776
1777 AC_DEFINE_UNQUOTED(GPG_NAME, "gpg", [The name of the OpenPGP tool])
1778 AC_DEFINE_UNQUOTED(GPG_DISP_NAME, "GnuPG", [The displayed name of gpg])
1779
1780 AC_DEFINE_UNQUOTED(GPGSM_NAME, "gpgsm", [The name of the S/MIME tool])
1781 AC_DEFINE_UNQUOTED(GPGSM_DISP_NAME, "GPGSM", [The displayed name of gpgsm])
1782
1783 AC_DEFINE_UNQUOTED(GPG_AGENT_NAME, "gpg-agent", [The name of the agent])
1784 AC_DEFINE_UNQUOTED(GPG_AGENT_DISP_NAME, "GPG Agent",
1785                                         [The displayed name of gpg-agent])
1786
1787 AC_DEFINE_UNQUOTED(SCDAEMON_NAME, "scdaemon", [The name of the scdaemon])
1788 AC_DEFINE_UNQUOTED(SCDAEMON_DISP_NAME, "SCDaemon",
1789                                        [The displayed name of scdaemon])
1790
1791 AC_DEFINE_UNQUOTED(DIRMNGR_NAME, "dirmngr", [The name of the dirmngr])
1792 AC_DEFINE_UNQUOTED(DIRMNGR_DISP_NAME, "DirMngr",
1793                                       [The displayed name of dirmngr])
1794
1795 AC_DEFINE_UNQUOTED(G13_NAME, "g13", [The name of the g13 tool])
1796 AC_DEFINE_UNQUOTED(G13_DISP_NAME, "G13", [The displayed name of g13])
1797
1798 AC_DEFINE_UNQUOTED(GPGCONF_NAME, "gpgconf", [The name of the gpgconf tool])
1799 AC_DEFINE_UNQUOTED(GPGCONF_DISP_NAME, "GPGConf",
1800                                       [The displayed name of gpgconf])
1801
1802 AC_DEFINE_UNQUOTED(GPGTAR_NAME, "gpgtar", [The name of the gpgtar tool])
1803
1804 AC_DEFINE_UNQUOTED(GPG_AGENT_SOCK_NAME, "S.gpg-agent",
1805                    [The name of the agent socket])
1806 AC_DEFINE_UNQUOTED(GPG_AGENT_EXTRA_SOCK_NAME, "S.gpg-agent.extra",
1807                    [The name of the agent socket for remote access])
1808 AC_DEFINE_UNQUOTED(GPG_AGENT_BROWSER_SOCK_NAME, "S.gpg-agent.browser",
1809                    [The name of the agent socket for browsers])
1810 AC_DEFINE_UNQUOTED(GPG_AGENT_SSH_SOCK_NAME, "S.gpg-agent.ssh",
1811                    [The name of the agent socket for ssh])
1812 AC_DEFINE_UNQUOTED(DIRMNGR_INFO_NAME, "DIRMNGR_INFO",
1813                    [The name of the dirmngr info envvar])
1814 AC_DEFINE_UNQUOTED(SCDAEMON_SOCK_NAME, "S.scdaemon",
1815                    [The name of the SCdaemon socket])
1816 AC_DEFINE_UNQUOTED(DIRMNGR_SOCK_NAME, "S.dirmngr",
1817                    [The name of the dirmngr socket])
1818 AC_DEFINE_UNQUOTED(DIRMNGR_DEFAULT_KEYSERVER,
1819                    "hkps://hkps.pool.sks-keyservers.net",
1820       [The default keyserver for dirmngr to use, if none is explicitly given])
1821
1822 AC_DEFINE_UNQUOTED(GPGEXT_GPG, "gpg", [The standard binary file suffix])
1823
1824 if test "$have_w32_system" = yes; then
1825   AC_DEFINE_UNQUOTED(GNUPG_REGISTRY_DIR, "\\\\Software\\\\GNU\\\\GnuPG",
1826                      [The directory part of the W32 registry keys])
1827 fi
1828
1829
1830 #
1831 # Provide information about the build.
1832 #
1833 BUILD_REVISION="mym4_revision"
1834 AC_SUBST(BUILD_REVISION)
1835 AC_DEFINE_UNQUOTED(BUILD_REVISION, "$BUILD_REVISION",
1836                    [GIT commit id revision used to build this package])
1837
1838 changequote(,)dnl
1839 BUILD_VERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./'`
1840 changequote([,])dnl
1841 BUILD_VERSION="${BUILD_VERSION}mym4_revision_dec"
1842 BUILD_FILEVERSION=`echo "${BUILD_VERSION}" | tr . ,`
1843 AC_SUBST(BUILD_VERSION)
1844 AC_SUBST(BUILD_FILEVERSION)
1845
1846 AC_ARG_ENABLE([build-timestamp],
1847   AC_HELP_STRING([--enable-build-timestamp],
1848                  [set an explicit build timestamp for reproducibility.
1849                   (default is the current time in ISO-8601 format)]),
1850      [if test "$enableval" = "yes"; then
1851         BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
1852       else
1853         BUILD_TIMESTAMP="$enableval"
1854       fi
1855       BUILD_HOSTNAME="$ac_hostname"],
1856      [BUILD_TIMESTAMP="<none>"
1857       BUILD_HOSTNAME="<anon>"])
1858 AC_SUBST(BUILD_TIMESTAMP)
1859 AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP",
1860                    [The time this package was configured for a build])
1861 AC_SUBST(BUILD_HOSTNAME)
1862
1863
1864 #
1865 # Print errors here so that they are visible all
1866 # together and the user can acquire them all together.
1867 #
1868 die=no
1869 if test "$have_gpg_error" = "no"; then
1870    die=yes
1871    AC_MSG_NOTICE([[
1872 ***
1873 *** You need libgpg-error to build this program.
1874 **  This library is for example available at
1875 ***   ftp://ftp.gnupg.org/gcrypt/libgpg-error
1876 *** (at least version $NEED_GPG_ERROR_VERSION is required.)
1877 ***]])
1878 fi
1879 if test "$have_libgcrypt" = "no"; then
1880    die=yes
1881    AC_MSG_NOTICE([[
1882 ***
1883 *** You need libgcrypt to build this program.
1884 **  This library is for example available at
1885 ***   ftp://ftp.gnupg.org/gcrypt/libgcrypt/
1886 *** (at least version $NEED_LIBGCRYPT_VERSION (API $NEED_LIBGCRYPT_API) is required.)
1887 ***]])
1888 fi
1889 if test "$have_libassuan" = "no"; then
1890    die=yes
1891    AC_MSG_NOTICE([[
1892 ***
1893 *** You need libassuan to build this program.
1894 *** This library is for example available at
1895 ***   ftp://ftp.gnupg.org/gcrypt/libassuan/
1896 *** (at least version $NEED_LIBASSUAN_VERSION (API $NEED_LIBASSUAN_API) is required).
1897 ***]])
1898 fi
1899 if test "$have_ksba" = "no"; then
1900     die=yes
1901     AC_MSG_NOTICE([[
1902 ***
1903 *** You need libksba to build this program.
1904 *** This library is for example available at
1905 ***   ftp://ftp.gnupg.org/gcrypt/libksba/
1906 *** (at least version $NEED_KSBA_VERSION using API $NEED_KSBA_API is required).
1907 ***]])
1908 fi
1909 if test "$gnupg_have_ldap" = yes; then
1910   if test "$have_w32ce_system" = yes; then
1911     AC_MSG_NOTICE([[
1912 *** Note that CeGCC might be broken, a package fixing this is:
1913 ***    http://files.kolab.org/local/windows-ce/
1914 ***                           source/wldap32_0.1-mingw32ce.orig.tar.gz
1915 ***                           binary/wldap32-ce-arm-dev_0.1-1_all.deb
1916 ***]])
1917    fi
1918 fi
1919 if test "$have_npth" = "no"; then
1920     die=yes
1921     AC_MSG_NOTICE([[
1922 ***
1923 *** It is now required to build with support for the
1924 *** New Portable Threads Library (nPth). Please install this
1925 *** library first.  The library is for example available at
1926 ***   ftp://ftp.gnupg.org/gcrypt/npth/
1927 *** (at least version $NEED_NPTH_VERSION (API $NEED_NPTH_API) is required).
1928 ***]])
1929 fi
1930
1931 if test "$require_iconv" = yes; then
1932   if test "$am_func_iconv" != yes; then
1933     die=yes
1934     AC_MSG_NOTICE([[
1935 ***
1936 *** The system does not provide a working iconv function.  Please
1937 *** install a suitable library; for example GNU Libiconv which is
1938 *** available at:
1939 ***   http://ftp.gnu.org/gnu/libiconv/
1940 ***]])
1941   fi
1942 fi
1943
1944 if test "$use_ccid_driver" = yes; then
1945   if test "$have_libusb" != yes; then
1946     die=yes
1947     AC_MSG_NOTICE([[
1948 ***
1949 *** You need libusb to build the internal ccid driver.  Please
1950 *** install a libusb suitable for your system.
1951 ***]])
1952   fi
1953 fi
1954
1955 if test "$die" = "yes"; then
1956     AC_MSG_ERROR([[
1957 ***
1958 *** Required libraries not found. Please consult the above messages
1959 *** and install them before running configure again.
1960 ***]])
1961 fi
1962
1963
1964
1965 AC_CONFIG_FILES([ m4/Makefile
1966 Makefile
1967 po/Makefile.in
1968 common/Makefile
1969 common/w32info-rc.h
1970 kbx/Makefile
1971 g10/Makefile
1972 sm/Makefile
1973 agent/Makefile
1974 scd/Makefile
1975 g13/Makefile
1976 dirmngr/Makefile
1977 tools/gpg-zip
1978 tools/Makefile
1979 doc/Makefile
1980 tests/Makefile
1981 tests/gpgscm/Makefile
1982 tests/openpgp/Makefile
1983 tests/migrations/Makefile
1984 tests/gpgsm/Makefile
1985 tests/gpgme/Makefile
1986 tests/pkits/Makefile
1987 g10/gpg.w32-manifest
1988 ])
1989
1990
1991 AC_OUTPUT
1992
1993
1994 echo "
1995         GnuPG v${VERSION} has been configured as follows:
1996
1997         Revision:  mym4_revision  (mym4_revision_dec)
1998         Platform:  $PRINTABLE_OS_NAME ($host)
1999
2000         OpenPGP:   $build_gpg
2001         S/MIME:    $build_gpgsm
2002         Agent:     $build_agent
2003         Smartcard: $build_scdaemon $build_scdaemon_extra
2004         G13:       $build_g13
2005         Dirmngr:   $build_dirmngr
2006         Gpgtar:    $build_gpgtar
2007         WKS tools: $build_wks_tools
2008
2009         Protect tool:      $show_gnupg_protect_tool_pgm
2010         LDAP wrapper:      $show_gnupg_dirmngr_ldap_pgm
2011         Default agent:     $show_gnupg_agent_pgm
2012         Default pinentry:  $show_gnupg_pinentry_pgm
2013         Default scdaemon:  $show_gnupg_scdaemon_pgm
2014         Default dirmngr:   $show_gnupg_dirmngr_pgm
2015
2016         Dirmngr auto start:  $dirmngr_auto_start
2017         Readline support:    $gnupg_cv_have_readline
2018         LDAP support:        $gnupg_have_ldap
2019         TLS support:         $use_tls_library
2020         TOFU support:        $use_tofu
2021         Tor support:         $show_tor_support
2022 "
2023 if test x"$use_regex" != xyes ; then
2024 echo "
2025         Warning: No regular expression support available.
2026                  OpenPGP trust signatures won't work.
2027                  gpg-check-pattern will not be built.
2028 "
2029 fi
2030 if test "x${gpg_config_script_warn}" != x; then
2031 cat <<G10EOF
2032         Warning: Mismatches between the target platform and the
2033                  to be used libraries have been detected for:
2034                   ${gpg_config_script_warn}
2035                  Please check above for more warning messages.
2036
2037 G10EOF
2038 fi