configure.ac

   1 # configure.ac for GPGME
   2 # Copyright (C) 2000 Werner Koch (dd9jn)
   3 # Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
   4 #               2009, 2010  g10 Code GmbH
   5 #
   6 # This file is part of GPGME.
   7 #
   8 # GPGME is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as
  10 # published by the Free Software Foundation; either version 2.1 of the
  11 # License, or (at your option) any later version.
  12 #
  13 # GPGME is distributed in the hope that it will be useful, but WITHOUT
  14 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
  16 # Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public
  19 # License along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  21
  22 # (Process this file with autoconf to produce a configure script.)
  23 AC_PREREQ(2.59)
  24 min_automake_version="1.10"
  25
  26 # Version number: Remember to change it immediately *after* a release.
  27 #                 Make sure to run  "svn up" and "./autogen.sh --force"
  28 #                  before a "make dist".  See below for the LT versions.
  29 #
  30 # The SVN version is usually the next intended release version with
  31 # the string "-svnNNN" appended.  The reason for this is that tests for a
  32 # specific feature can already be done under the assumption that the
  33 # SVN version is the most recent one in a branch.  To disable the SVN
  34 # version for the real release, set the my_issvn macro to no.
  35 m4_define(my_version, [1.3.1])
  36 m4_define(my_issvn, [yes])
  37
  38 m4_define([svn_revision], m4_esyscmd([printf "%d" $( (svn info 2>/dev/null \
  39             || echo 'Revision: 0')|sed -n '/^Revision:/ {s/[^0-9]//gp;q;}')]))
  40 m4_define([git_revision], m4_esyscmd([git branch -v 2>/dev/null \
  41           | awk '/^\* / {printf "%s",$3}']))
  42 AC_INIT([gpgme],
  43         [my_version[]m4_if(my_issvn,[yes],
  44         [m4_if(git_revision,[],[-svn[]svn_revision],[-git[]git_revision])])],
  45         [bug-gpgme@gnupg.org])
  46
  47
  48 # LT Version numbers, remember to change them just *before* a release.
  49 #   (Code changed:                      REVISION++)
  50 #   (Interfaces added/removed/changed:  CURRENT++, REVISION=0)
  51 #   (Interfaces added:                  AGE++)
  52 #   (Interfaces removed/changed:        AGE=0)
  53 #
  54 LIBGPGME_LT_CURRENT=18
  55 # Subtract 2 from this value if you want to make the LFS transition an
  56 # ABI break.  [Note to self: Remove this comment with the next regular break.]
  57 LIBGPGME_LT_AGE=7
  58 LIBGPGME_LT_REVISION=0
  59
  60 # If the API is changed in an incompatible way: increment the next counter.
  61 GPGME_CONFIG_API_VERSION=1
  62 ##############################################
  63
  64 NEED_LIBASSUAN_API=2
  65 NEED_LIBASSUAN_VERSION=2.0.2
  66
  67
  68 m4_define([git_brevis],m4_esyscmd(printf "%u" 0x[]m4_substr(git_revision,0,4)))
  69 BUILD_REVISION=m4_if(git_revision,[],[svn_revision],[git_brevis])
  70 PACKAGE=$PACKAGE_NAME
  71 VERSION=$PACKAGE_VERSION
  72
  73 AC_CONFIG_SRCDIR(src/gpgme.h.in)
  74 dnl FIXME: Enable this with autoconf 2.59.
  75 dnl AC_CONFIG_MACRO_DIR(m4)
  76 AM_CONFIG_HEADER(config.h)
  77 AC_CONFIG_MACRO_DIR([m4])
  78 AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
  79 AM_MAINTAINER_MODE
  80 AC_CANONICAL_HOST
  81
  82 # Enable GNU extensions on systems that have them.
  83 AC_GNU_SOURCE
  84
  85 AH_VERBATIM([_REENTRANT],
  86 [/* To allow the use of GPGME in multithreaded programs we have to use
  87   special features from the library.
  88   IMPORTANT: gpgme is not yet fully reentrant and you should use it
  89   only from one thread.  */
  90 #ifndef _REENTRANT
  91 # define _REENTRANT 1
  92 #endif])
  93
  94 AC_PROG_CC
  95 AC_PROG_CXX
  96
  97 AC_SUBST(LIBGPGME_LT_CURRENT)
  98 AC_SUBST(LIBGPGME_LT_AGE)
  99 AC_SUBST(LIBGPGME_LT_REVISION)
 100
 101 AC_SUBST(PACKAGE)
 102 AC_SUBST(VERSION)
 103 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
 104 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
 105
 106 # Don't default to build static libs.
 107 LT_PREREQ([2.2.6])
 108 LT_INIT([win32-dll disable-static])
 109 LT_LANG([Windows Resource])
 110
 111 # For now we hardcode the use of version scripts.  It would be better
 112 # to write a test for this or even implement this within libtool.
 113 have_ld_version_script=no
 114 case "${host}" in
 115     *-*-linux*)
 116         have_ld_version_script=yes
 117         ;;
 118     *-*-gnu*)
 119         have_ld_version_script=yes
 120         ;;
 121     *-apple-darwin*)
 122         AC_DEFINE(_XOPEN_SOURCE, 500, Activate POSIX interface on MacOS X)
 123         ;;
 124 esac
 125
 126 AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 127
 128 GPG_DEFAULT=no
 129 GPGSM_DEFAULT=no
 130 GPGCONF_DEFAULT=no
 131 G13_DEFAULT=no
 132 component_system=None
 133 have_dosish_system=no
 134 have_w32_system=no
 135 build_w32_glib=no
 136 build_w32_qt=no
 137 case "${host}" in
 138     *-mingw32ce*)
 139         have_w32ce_system=yes
 140         ;;
 141 esac
 142 case "${host}" in
 143     *-mingw32ce*|*-mingw32*)
 144         # special stuff for Windoze NT
 145         have_dosish_system=yes
 146         have_w32_system=yes
 147         GPG_DEFAULT='c:\\gnupg\\gpg.exe'
 148         GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
 149         GPGCONF_DEFAULT='c:\\gnupg\\gpgconf.exe'
 150         G13_DEFAULT='c:\\gnupg\\g13.exe'
 151         #component_system='COM+'
 152
 153         AM_PATH_GLIB_2_0
 154         AC_ARG_ENABLE(w32-glib,
 155             AC_HELP_STRING([--enable-w32-glib], [build GPGME Glib for W32]),
 156                            build_w32_glib=$enableval)
 157
 158         # Check disabled, because the qt-dev packages in gpg4win do
 159         # not provide any support for cross compilation.
 160         # PKG_CHECK_MODULES(QT4_CORE, QtCore)
 161
 162         # Use it like this:
 163         # ./configure --enable-w32-qt QT4_CORE_CFLAGS="..." QT4_CORE_LIBS="..."
 164         AC_SUBST(QT4_CORE_CFLAGS)
 165         AC_SUBST(QT4_CORE_LIBS)
 166         AC_ARG_ENABLE(w32-qt,
 167             AC_HELP_STRING([--enable-w32-qt], [build GPGME Qt for W32]),
 168                            build_w32_qt=$enableval)
 169         ;;
 170     *)
 171         AC_CHECK_PTH(1.2.0,,,no,have_pth=yes)
 172         if test "$have_pth" = yes; then
 173           AC_DEFINE(HAVE_PTH, ,[Define if we have Pth.])
 174         fi
 175         AC_CHECK_LIB(pthread,pthread_create,have_pthread=yes)
 176         if test "$have_pthread" = yes; then
 177           AC_DEFINE(HAVE_PTHREAD, ,[Define if we have pthread.])
 178         fi
 179
 180         # XXX: Probably use exec-prefix here?
 181 #       GPG_DEFAULT='/usr/bin/gpg'
 182 #       GPGSM_DEFAULT='/usr/bin/gpgsm'
 183 #       GPGCONF_DEFAULT='/usr/bin/gpgconf'
 184 #       G13_DEFAULT='/usr/bin/g13'
 185         ;;
 186 esac
 187
 188 if test "$have_dosish_system" = yes; then
 189    AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
 190              [Defined if we run on some of the PCDOS like systems
 191               (DOS, Windoze. OS/2) with special properties like
 192               no file modes])
 193 fi
 194 AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes)
 195
 196 if test "$have_w32_system" = yes; then
 197    AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on a W32 API based system])
 198 fi
 199 AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes)
 200 if test "$have_w32ce_system" = yes; then
 201    AC_DEFINE(HAVE_W32CE_SYSTEM,1, [Defined if we run on a W32 CE API based system])
 202 fi
 203 AM_CONDITIONAL(HAVE_W32CE_SYSTEM, test "$have_w32ce_system" = yes)
 204 AM_CONDITIONAL(BUILD_W32_GLIB, test "$build_w32_glib" = yes)
 205 AM_CONDITIONAL(BUILD_W32_QT, test "$build_w32_qt" = yes)
 206
 207 AM_CONDITIONAL(HAVE_PTH, test "$have_pth" = "yes")
 208 AM_CONDITIONAL(HAVE_PTHREAD, test "$have_pthread" = "yes")
 209
 210
 211
 212 # Checks for header files.
 213 AC_CHECK_HEADERS([locale.h])
 214 AC_CHECK_HEADERS(sys/select.h)
 215 AC_CHECK_HEADERS([sys/uio.h])
 216
 217
 218 # Type checks.
 219 AC_C_INLINE
 220 AC_CHECK_SIZEOF(unsigned int)
 221 AC_SYS_LARGEFILE
 222 AC_TYPE_OFF_T
 223 AC_TYPE_UINTPTR_T
 224
 225 # A simple compile time check in gpgme.h for GNU/Linux systems that
 226 # prevents a file offset bits mismatch between gpgme and the application.
 227 NEED__FILE_OFFSET_BITS=0
 228 case "$ac_cv_sys_file_offset_bits" in
 229   "" | no | unknown) ;;
 230   *)
 231   NEED__FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits
 232   ;;
 233 esac
 234 AC_SUBST(NEED__FILE_OFFSET_BITS)
 235
 236
 237 # Checks for compiler features.
 238 if test "$GCC" = yes; then
 239     CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
 240     if test "$have_w32_system" = yes; then
 241        CFLAGS="$CFLAGS -mms-bitfields"
 242     fi
 243 fi
 244
 245 # Only used for debugging, so no serious test needed (for actual
 246 # functionality you have to test libc as well, this only tests the
 247 # compiler).
 248 AC_CACHE_CHECK([for __thread],[gpgme_cv_tls_works],
 249    AC_COMPILE_IFELSE([__thread int foo;],
 250      gpgme_cv_tls_works=yes,gpgme_cv_tls_works=no))
 251 if test "$gpgme_cv_tls_works" = yes; then
 252   AC_DEFINE(HAVE_TLS, [1], [Define if __thread is supported])
 253 fi
 254
 255
 256 # Checks for library functions.
 257 AC_FUNC_FSEEKO
 258
 259 AC_REPLACE_FUNCS(vasprintf)
 260 if test "$ac_cv_func_vasprintf" != yes; then
 261   GNUPG_CHECK_VA_COPY
 262 fi
 263
 264 # Try to find a thread-safe version of ttyname().
 265 AC_REPLACE_FUNCS(ttyname_r)
 266 if test "$ac_cv_func_ttyname_r" != yes; then
 267   AC_MSG_WARN([
 268 ***
 269 *** ttyname() is not thread-safe and ttyname_r() does not exist
 270 ***])
 271 fi
 272
 273 # Try to find a thread-safe version of getenv().
 274 have_thread_safe_getenv=no
 275 jm_GLIBC21
 276 if test $GLIBC21 = yes; then
 277   have_thread_safe_getenv=yes
 278 fi
 279 if test $have_thread_safe_getenv = yes; then
 280   AC_DEFINE(HAVE_THREAD_SAFE_GETENV, [1], [Define if getenv() is thread-safe])
 281 fi
 282 have_getenv_r=no
 283 AC_CHECK_FUNCS(getenv_r, have_getenv_r=yes)
 284 if test $have_getenv_r = no && test $have_thread_safe_getenv = no; then
 285   AC_MSG_WARN([
 286 ***
 287 *** getenv() is not thread-safe and getenv_r() does not exist
 288 ***])
 289 fi
 290
 291 # For converting time strings to seconds since Epoch, we need the timegm
 292 # function.
 293 AC_CHECK_FUNCS(timegm)
 294 if test "$ac_cv_func_timegm" != yes; then
 295   AC_MSG_WARN([
 296 ***
 297 *** timegm() not available - a non-thread-safe kludge will be used
 298 *** and the TZ variable might be changed at runtime.
 299 ***])
 300 fi
 301
 302 AC_CHECK_FUNCS(setlocale)
 303
 304 # Checking for libgpg-error.
 305 AM_PATH_GPG_ERROR(1.8,, AC_MSG_ERROR([libgpg-error was not found]))
 306 AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
 307           [The default error source for GPGME.])
 308
 309 # And for libassuan.
 310 have_libassuan=no
 311 AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
 312                   have_libassuan=yes, have_libassuan=no)
 313 if test "$have_libassuan" = "yes"; then
 314   AC_DEFINE_UNQUOTED(GPGME_LIBASSUAN_VERSION, "$libassuan_version",
 315                      [version of the libassuan library])
 316 fi
 317 AM_CONDITIONAL(HAVE_ASSUAN, test "$have_libassuan" = "yes")
 318 if test "$have_libassuan" = "yes"; then
 319   AC_DEFINE(ENABLE_ASSUAN,1,[Whether Assuan support is enabled])
 320 fi
 321
 322 # Checks for system services
 323 NEED_GPG_VERSION_DEFAULT=1.4.0
 324 NEED_GPGSM_VERSION_DEFAULT=1.9.6
 325 NEED_GPGCONF_VERSION_DEFAULT=2.0.4
 326 NEED_G13_VERSION_DEFAULT=2.1.0
 327 NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
 328 NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
 329 NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
 330 NEED_G13_VERSION="$NEED_G13_VERSION_DEFAULT"
 331 AC_ARG_WITH(gpg-version,
 332             AC_HELP_STRING([--with-gpg-version=VER], [require GnuPG version VER]),
 333             NEED_GPG_VERSION=$withval)
 334 if test "$NEED_GPG_VERSION" = "yes"; then
 335   NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
 336 fi
 337 if test "$NEED_GPG_VERSION" = "no"; then
 338   NEED_GPG_VERSION=0.0.0
 339 fi
 340 AC_ARG_WITH(gpgsm-version,
 341             AC_HELP_STRING([--with-gpgsm-version=VER], [require GPGSM version VER]),
 342             NEED_GPGSM_VERSION=$withval)
 343 if test "$NEED_GPGSM_VERSION" = "yes"; then
 344   NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
 345 fi
 346 if test "$NEED_GPGSM_VERSION" = "no"; then
 347   NEED_GPGSM_VERSION=0.0.0
 348 fi
 349 AC_ARG_WITH(gpgconf-version,
 350             AC_HELP_STRING([--with-gpgconf-version=VER], [require GPGCONF version VER]),
 351             NEED_GPGCONF_VERSION=$withval)
 352 if test "$NEED_GPGCONF_VERSION" = "yes"; then
 353   NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
 354 fi
 355 if test "$NEED_GPGCONF_VERSION" = "no"; then
 356   NEED_GPGCONF_VERSION=0.0.0
 357 fi
 358 AC_ARG_WITH(g13-version,
 359             AC_HELP_STRING([--with-g13-version=VER], [require G13 version VER]),
 360             NEED_G13_VERSION=$withval)
 361 if test "$NEED_G13_VERSION" = "yes"; then
 362   NEED_G13_VERSION="$NEED_G13_VERSION_DEFAULT"
 363 fi
 364 if test "$NEED_G13_VERSION" = "no"; then
 365   NEED_G13_VERSION=0.0.0
 366 fi
 367
 368 AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
 369                                      [Min. needed GnuPG version.])
 370 AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
 371                                        [Min. needed GPGSM version.])
 372 AC_DEFINE_UNQUOTED(NEED_GPGCONF_VERSION, "$NEED_GPGCONF_VERSION",
 373                                          [Min. needed GPGCONF version.])
 374 AC_DEFINE_UNQUOTED(NEED_G13_VERSION, "$NEED_G13_VERSION",
 375                                      [Min. needed G13 version.])
 376
 377
 378 NO_OVERRIDE=no
 379 AC_ARG_WITH(gpg,
 380             AC_HELP_STRING([--with-gpg=PATH], [use GnuPG binary at PATH]),
 381             GPG=$withval, NO_OVERRIDE=yes)
 382 if test "$NO_OVERRIDE" = "yes" || test "$GPG" = "yes"; then
 383   GPG=
 384   NO_OVERRIDE=yes
 385   if test "$cross_compiling" != "yes"; then
 386     AC_PATH_PROG(GPG, gpg)
 387   fi
 388   if test -z "$GPG"; then
 389     GPG="$GPG_DEFAULT"
 390   fi
 391 fi
 392 if test "$GPG" = no; then
 393   if test "$NO_OVERRIDE" = "yes"; then
 394     if test "$cross_compiling" != "yes"; then
 395       AC_MSG_WARN([
 396 ***
 397 *** Could not find GnuPG, install GnuPG or use --with-gpg=PATH to enable it
 398 ***])
 399     else
 400       AC_MSG_ERROR([
 401 ***
 402 *** Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH
 403 ***])
 404     fi
 405   fi
 406 else
 407   AC_DEFINE_UNQUOTED(GPG_PATH, "$GPG", [Path to the GnuPG binary.])
 408   AC_SUBST(GPG)
 409 fi
 410 dnl Check for GnuPG version requirement.
 411 GPG_VERSION=unknown
 412 ok=maybe
 413 if test -z "$GPG" -o "x$GPG" = "xno"; then
 414   ok=no
 415 else
 416   if test "$cross_compiling" = "yes"; then
 417     AC_MSG_WARN([GnuPG version can not be checked when cross compiling])
 418     ok=no
 419   else
 420     if test ! -x "$GPG"; then
 421       AC_MSG_WARN([GnuPG not executable, version check disabled])
 422       ok=no
 423     fi
 424   fi
 425 fi
 426 if test "$ok" = "maybe"; then
 427   AC_MSG_CHECKING(for GPG >= $NEED_GPG_VERSION)
 428   req_major=`echo $NEED_GPG_VERSION | \
 429              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 430   req_minor=`echo $NEED_GPG_VERSION | \
 431              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 432   req_micro=`echo $NEED_GPG_VERSION | \
 433              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 434   GPG_VERSION=`$GPG --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 435   major=`echo $GPG_VERSION | \
 436          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 437   minor=`echo $GPG_VERSION | \
 438          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 439   micro=`echo $GPG_VERSION | \
 440          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 441
 442   if test "$major" -gt "$req_major"; then
 443     ok=yes
 444   else
 445     if test "$major" -eq "$req_major"; then
 446       if test "$minor" -gt "$req_minor"; then
 447         ok=yes
 448       else
 449         if test "$minor" -eq "$req_minor"; then
 450           if test "$micro" -ge "$req_micro"; then
 451             ok=yes
 452           fi
 453         fi
 454       fi
 455     fi
 456   fi
 457   if test "$ok" = "yes"; then
 458     AC_MSG_RESULT(yes)
 459   else
 460     AC_MSG_RESULT(no)
 461     AC_MSG_WARN([GPG must be at least version $NEED_GPG_VERSION])
 462   fi
 463 fi
 464 run_gpg_test="$ok"
 465 AC_ARG_ENABLE(gpg-test,
 466   AC_HELP_STRING([--disable-gpg-test], [disable GPG run test]),
 467          run_gpg_test=$enableval)
 468 AM_CONDITIONAL(RUN_GPG_TESTS, test "$run_gpg_test" = "yes")
 469 AC_SUBST(GPG_PATH)
 470
 471 NO_OVERRIDE=no
 472 AC_ARG_WITH(gpgsm,
 473             AC_HELP_STRING([--with-gpgsm=PATH], [use GpgSM binary at PATH]),
 474             GPGSM=$withval, NO_OVERRIDE=yes)
 475 if test "$NO_OVERRIDE" = "yes" || test "$GPGSM" = "yes"; then
 476   GPGSM=
 477   NO_OVERRIDE=yes
 478   if test "$cross_compiling" != "yes"; then
 479     AC_PATH_PROG(GPGSM, gpgsm)
 480   fi
 481   if test -z "$GPGSM"; then
 482     GPGSM="$GPGSM_DEFAULT"
 483   fi
 484 fi
 485 if test "$GPGSM" = no; then
 486   if test "$NO_OVERRIDE" = "yes"; then
 487     if test "$cross_compiling" != "yes"; then
 488       AC_MSG_WARN([
 489 ***
 490 *** Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it
 491 ***])
 492     else
 493       AC_MSG_ERROR([
 494 ***
 495 *** Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH
 496 ***])
 497     fi
 498   fi
 499 else
 500   AC_DEFINE_UNQUOTED(GPGSM_PATH, "$GPGSM", [Path to the GPGSM binary.])
 501   AC_DEFINE(ENABLE_GPGSM,1,[Whether GPGSM support is enabled])
 502 fi
 503 AM_CONDITIONAL(HAVE_GPGSM, test "$GPGSM" != "no")
 504
 505
 506 dnl Check for GPGSM version requirement.
 507 GPGSM_VERSION=unknown
 508 ok=maybe
 509 if test -z "$GPGSM" -o "x$GPGSM" = "xno"; then
 510   ok=no
 511 else
 512   if test "$cross_compiling" = "yes"; then
 513     AC_MSG_WARN([GPGSM version can not be checked when cross compiling])
 514     ok=no
 515   else
 516     if test ! -x "$GPGSM"; then
 517       AC_MSG_WARN([GPGSM not executable, version check disabled])
 518       ok=no
 519     fi
 520   fi
 521 fi
 522 if test "$ok" = "maybe"; then
 523   AC_MSG_CHECKING(for GPGSM >= $NEED_GPGSM_VERSION)
 524   req_major=`echo $NEED_GPGSM_VERSION | \
 525              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 526   req_minor=`echo $NEED_GPGSM_VERSION | \
 527              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 528   req_micro=`echo $NEED_GPGSM_VERSION | \
 529              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 530   GPGSM_VERSION=`$GPGSM --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 531   major=`echo $GPGSM_VERSION | \
 532          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 533   minor=`echo $GPGSM_VERSION | \
 534          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 535   micro=`echo $GPGSM_VERSION | \
 536          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 537
 538   if test "$major" -gt "$req_major"; then
 539     ok=yes
 540   else
 541     if test "$major" -eq "$req_major"; then
 542       if test "$minor" -gt "$req_minor"; then
 543         ok=yes
 544       else
 545         if test "$minor" -eq "$req_minor"; then
 546           if test "$micro" -ge "$req_micro"; then
 547             ok=yes
 548           fi
 549         fi
 550       fi
 551     fi
 552   fi
 553   if test "$ok" = "yes"; then
 554     AC_MSG_RESULT(yes)
 555   else
 556     AC_MSG_RESULT(no)
 557     AC_MSG_WARN([GPGSM must be at least version $NEED_GPGSM_VERSION])
 558   fi
 559 fi
 560 run_gpgsm_test="$ok"
 561 AC_ARG_ENABLE(gpgsm-test,
 562   AC_HELP_STRING([--disable-gpgsm-test], [disable GPGSM run test]),
 563          run_gpgsm_test=$enableval)
 564 AM_CONDITIONAL(RUN_GPGSM_TESTS, test "$run_gpgsm_test" = "yes")
 565
 566
 567 NO_OVERRIDE=no
 568 AC_ARG_WITH(gpgconf,
 569             AC_HELP_STRING([--with-gpgconf=PATH],
 570                            [use gpgconf binary at PATH]),
 571             GPGCONF=$withval, NO_OVERRIDE=yes)
 572 if test "$NO_OVERRIDE" = "yes" || test "$GPGCONF" = "yes"; then
 573   GPGCONF=
 574   NO_OVERRIDE=yes
 575   if test "$cross_compiling" != "yes"; then
 576     AC_PATH_PROG(GPGCONF, gpgconf)
 577   fi
 578   if test -z "$GPGCONF"; then
 579     GPGCONF="$GPGCONF_DEFAULT"
 580   fi
 581 fi
 582 if test "$GPGCONF" = no; then
 583   if test "$NO_OVERRIDE" = "yes"; then
 584     if test "$cross_compiling" != "yes"; then
 585       AC_MSG_WARN([
 586 ***
 587 *** Could not find gpgconf, install gpgconf or use --with-gpgconf=PATH to enable it
 588 ***])
 589     else
 590       AC_MSG_ERROR([
 591 ***
 592 *** Can not determine path to gpgconf when cross-compiling, use --with-gpgconf=PATH
 593 ***])
 594     fi
 595   fi
 596 else
 597   AC_DEFINE_UNQUOTED(GPGCONF_PATH, "$GPGCONF", [Path to the GPGCONF binary.])
 598   AC_DEFINE(ENABLE_GPGCONF,1,[Whether GPGCONF support is enabled])
 599 fi
 600 AM_CONDITIONAL(HAVE_GPGCONF, test "$GPGCONF" != "no")
 601
 602 dnl Check for GPGCONF version requirement.
 603 GPGCONF_VERSION=unknown
 604 ok=maybe
 605 if test -z "$GPGCONF" -o "x$GPGCONF" = "xno"; then
 606   ok=no
 607 else
 608   if test "$cross_compiling" = "yes"; then
 609     AC_MSG_WARN([GPGCONF version can not be checked when cross compiling])
 610     ok=no
 611   else
 612     if test ! -x "$GPGCONF"; then
 613       AC_MSG_WARN([GPGCONF not executable, version check disabled])
 614       ok=no
 615     fi
 616   fi
 617 fi
 618 if test "$ok" = "maybe"; then
 619   AC_MSG_CHECKING(for GPGCONF >= $NEED_GPGCONF_VERSION)
 620   req_major=`echo $NEED_GPGCONF_VERSION | \
 621              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 622   req_minor=`echo $NEED_GPGCONF_VERSION | \
 623              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 624   req_micro=`echo $NEED_GPGCONF_VERSION | \
 625              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 626   GPGCONF_VERSION=`$GPGCONF --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 627   major=`echo $GPGCONF_VERSION | \
 628          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 629   minor=`echo $GPGCONF_VERSION | \
 630          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 631   micro=`echo $GPGCONF_VERSION | \
 632          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 633
 634   if test "$major" -gt "$req_major"; then
 635     ok=yes
 636   else
 637     if test "$major" -eq "$req_major"; then
 638       if test "$minor" -gt "$req_minor"; then
 639         ok=yes
 640       else
 641         if test "$minor" -eq "$req_minor"; then
 642           if test "$micro" -ge "$req_micro"; then
 643             ok=yes
 644           fi
 645         fi
 646       fi
 647     fi
 648   fi
 649   if test "$ok" = "yes"; then
 650     AC_MSG_RESULT(yes)
 651   else
 652     AC_MSG_RESULT(no)
 653     AC_MSG_WARN([GPGCONF must be at least version $NEED_GPGCONF_VERSION])
 654   fi
 655 fi
 656 run_gpgconf_test="$ok"
 657 AC_ARG_ENABLE(gpgconf-test,
 658   AC_HELP_STRING([--disable-gpgconf-test], [disable GPGCONF run test]),
 659          run_gpgconf_test=$enableval)
 660 AM_CONDITIONAL(RUN_GPGCONF_TESTS, test "$run_gpgconf_test" = "yes")
 661
 662
 663 NO_OVERRIDE=no
 664 AC_ARG_WITH(g13,
 665             AC_HELP_STRING([--with-g13=PATH],
 666                            [use g13 binary at PATH]),
 667             G13=$withval, NO_OVERRIDE=yes)
 668 if test "$NO_OVERRIDE" = "yes" || test "$G13" = "yes"; then
 669   G13=
 670   NO_OVERRIDE=yes
 671   if test "$cross_compiling" != "yes"; then
 672     AC_PATH_PROG(G13, g13)
 673   fi
 674   if test -z "$G13"; then
 675     G13="$G13_DEFAULT"
 676   fi
 677 fi
 678 if test "$G13" = no; then
 679   if test "$NO_OVERRIDE" = "yes"; then
 680     if test "$cross_compiling" != "yes"; then
 681       AC_MSG_WARN([
 682 ***
 683 *** Could not find g13, install g13 or use --with-g13=PATH to enable it
 684 ***])
 685     else
 686       AC_MSG_ERROR([
 687 ***
 688 *** Can not determine path to g13 when cross-compiling, use --with-g13=PATH
 689 ***])
 690     fi
 691   fi
 692 else
 693   AC_DEFINE_UNQUOTED(G13_PATH, "$G13", [Path to the G13 binary.])
 694   AC_DEFINE(ENABLE_G13,1,[Whether G13 support is enabled])
 695 fi
 696 AM_CONDITIONAL(HAVE_G13, test "$G13" != "no")
 697
 698 dnl Check for G13 version requirement.
 699 G13_VERSION=unknown
 700 ok=maybe
 701 if test -z "$G13" -o "x$G13" = "xno"; then
 702   ok=no
 703 else
 704   if test "$cross_compiling" = "yes"; then
 705     AC_MSG_WARN([G13 version can not be checked when cross compiling])
 706     ok=no
 707   else
 708     if test ! -x "$G13"; then
 709       AC_MSG_WARN([G13 not executable, version check disabled])
 710       ok=no
 711     fi
 712   fi
 713 fi
 714 if test "$ok" = "maybe"; then
 715   AC_MSG_CHECKING(for G13 >= $NEED_G13_VERSION)
 716   req_major=`echo $NEED_G13_VERSION | \
 717              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 718   req_minor=`echo $NEED_G13_VERSION | \
 719              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 720   req_micro=`echo $NEED_G13_VERSION | \
 721              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 722   G13_VERSION=`$G13 --version | sed -n '1 s/.*\ \([[0-9]].*\)/\1/p'`
 723   major=`echo $G13_VERSION | \
 724          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 725   minor=`echo $G13_VERSION | \
 726          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 727   micro=`echo $G13_VERSION | \
 728          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 729
 730   if test "$major" -gt "$req_major"; then
 731     ok=yes
 732   else
 733     if test "$major" -eq "$req_major"; then
 734       if test "$minor" -gt "$req_minor"; then
 735         ok=yes
 736       else
 737         if test "$minor" -eq "$req_minor"; then
 738           if test "$micro" -ge "$req_micro"; then
 739             ok=yes
 740           fi
 741         fi
 742       fi
 743     fi
 744   fi
 745   if test "$ok" = "yes"; then
 746     AC_MSG_RESULT(yes)
 747   else
 748     AC_MSG_RESULT(no)
 749     AC_MSG_WARN([G13 must be at least version $NEED_G13_VERSION])
 750   fi
 751 fi
 752 run_g13_test="$ok"
 753 AC_ARG_ENABLE(g13-test,
 754   AC_HELP_STRING([--disable-g13-test], [disable G13 run test]),
 755          run_g13_test=$enableval)
 756 AM_CONDITIONAL(RUN_G13_TESTS, test "$run_g13_test" = "yes")
 757
 758
 759 # Check for funopen
 760 AC_CHECK_FUNCS(funopen)
 761 if test $ac_cv_func_funopen != yes; then
 762     # No funopen but we can implement that in terms of fopencookie.
 763     AC_CHECK_FUNCS(fopencookie)
 764     if test $ac_cv_func_fopencookie = yes; then
 765         AC_REPLACE_FUNCS(funopen)
 766     else
 767         AC_MSG_WARN([
 768 ***
 769 *** No implementation of fopencookie or funopen available
 770 ***])
 771     fi
 772 fi
 773
 774 # Check for getgid etc
 775 AC_CHECK_FUNCS(getgid getegid)
 776
 777
 778 # Replacement functions.
 779 AC_REPLACE_FUNCS(stpcpy)
 780 # Check for unistd.h for setenv replacement function.
 781 AC_CHECK_HEADERS([unistd.h sys/time.h sys/types.h sys/stat.h])
 782 AC_REPLACE_FUNCS(setenv)
 783
 784 # Assuan check for descriptor passing.
 785 AC_CHECK_MEMBER(struct cmsghdr.cmsg_len,
 786                 [supports_descriptor_passing=yes],
 787                 [supports_descriptor_passing=no
 788                  AC_MSG_WARN([
 789 ***
 790 *** Data structure for sending ancillary data missing.
 791 *** Descriptor passing won't work.
 792 ***])],[
 793 #include <stdlib.h>
 794 #include <stddef.h>
 795 #include <stdio.h>
 796 #include <sys/types.h>
 797 #include <sys/socket.h>
 798 #include <sys/un.h>
 799 #if HAVE_SYS_UIO_H
 800 #include <sys/uio.h>
 801 #endif
 802 #include <unistd.h>
 803        ])
 804
 805 use_descriptor_passing=no
 806 AC_ARG_ENABLE(fd-passing,
 807   AC_HELP_STRING([--enable-fd-passing], [use FD passing if supported]),
 808   use_descriptor_passing=$enableval)
 809
 810 if test "$supports_descriptor_passing" != "yes"; then
 811   use_descriptor_passing=no
 812 fi
 813
 814 if test "$use_descriptor_passing" = "yes"; then
 815 AC_DEFINE(USE_DESCRIPTOR_PASSING,1,
 816           [Defined if descriptor passing is enabled and supported])
 817 fi
 818
 819 AM_CONDITIONAL(USE_DESCRIPTOR_PASSING, test "$use_descriptor_passing" = "yes")
 820
 821
 822 uiserver=no
 823 if test "$use_descriptor_passing" = "yes" && test "$have_libassuan" = "yes"; then
 824   uiserver=yes
 825 fi
 826 if test "$uiserver" != "no"; then
 827   AC_DEFINE(ENABLE_UISERVER, 1,
 828             [Defined if we are building with uiserver support.])
 829 fi
 830 AM_CONDITIONAL(HAVE_UISERVER, test "$uiserver" != "no")
 831
 832
 833 AM_CONDITIONAL(BUILD_COMPLUS, test "$component_system" = "COM+")
 834
 835 # Generate values for the DLL version info
 836 if test "$have_w32_system" = yes; then
 837     BUILD_TIMESTAMP=`date --iso-8601=minutes`
 838     changequote(,)dnl
 839     BUILD_FILEVERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./;s/\./,/g'`
 840     changequote([,])dnl
 841     BUILD_FILEVERSION="${BUILD_FILEVERSION}${BUILD_REVISION}"
 842 fi
 843 AC_SUBST(BUILD_REVISION)
 844 AC_SUBST(BUILD_TIMESTAMP)
 845 AC_SUBST(BUILD_FILEVERSION)
 846
 847 # Add a few constants to help porting to W32
 848 AH_VERBATIM([SEPCONSTANTS],
 849 [
 850 /* Separators as used in $PATH.  */
 851 #ifdef HAVE_DOSISH_SYSTEM
 852 #define PATHSEP_C ';'
 853 #else
 854 #define PATHSEP_C ':'
 855 #endif
 856 ])
 857
 858 AH_BOTTOM([
 859 /* Definition of GCC specific attributes.  */
 860 #if __GNUC__ > 2
 861 # define GPGME_GCC_A_PURE  __attribute__ ((__pure__))
 862 #else
 863 # define GPGME_GCC_A_PURE
 864 #endif
 865
 866 /* Under WindowsCE we need gpg-error's strerror macro.  */
 867 #define GPG_ERR_ENABLE_ERRNO_MACROS 1
 868 ])
 869
 870
 871 # Substitution used for gpgme-config
 872 GPGME_CONFIG_LIBS="-lgpgme"
 873 GPGME_CONFIG_CFLAGS=""
 874 AC_SUBST(GPGME_CONFIG_API_VERSION)
 875 AC_SUBST(GPGME_CONFIG_LIBS)
 876 AC_SUBST(GPGME_CONFIG_CFLAGS)
 877
 878 # Frob'da Variables
 879 LTLIBOBJS=`echo "$LIB@&t@OBJS" |
 880            sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`
 881 AC_SUBST(LTLIBOBJS)
 882
 883 # Some checks for gpgme-tool
 884 AC_CHECK_HEADER([argp.h])
 885 AC_CHECK_TYPES([error_t], [],
 886    [AC_DEFINE([error_t], [int],
 887    [Define to a type to use for `error_t' if it is not otherwise available.])],
 888    [#include <errno.h>])
 889
 890
 891 # A substitution to set generated files in a Emacs buffer to read-only.
 892 AC_SUBST(emacs_local_vars_begin, ['Local Variables:'])
 893 AC_SUBST(emacs_local_vars_read_only, ['buffer-read-only: t'])
 894 AC_SUBST(emacs_local_vars_end, ['End:'])
 895
 896
 897 # Last check.
 898 die=no
 899 if test "$have_libassuan" = "no"; then
 900    die=yes
 901    AC_MSG_NOTICE([[
 902 ***
 903 *** You need libassuan to build this program with GPGSM support.
 904 *** This library is for example available at
 905 ***   ftp://ftp.gnupg.org/gcrypt/libassuan/
 906 *** (at least version $NEED_LIBASSUAN_VERSION (API $NEED_LIBASSUAN_API) is required).
 907 ***]])
 908 fi
 909
 910 if test "$die" = "yes"; then
 911     AC_MSG_ERROR([[
 912 ***
 913 *** Required libraries not found. Please consult the above messages
 914 *** and install them before running configure again.
 915 ***]])
 916 fi
 917
 918
 919 #
 920 # Create config files
 921
 922 AC_CONFIG_FILES(Makefile src/Makefile
 923                 tests/Makefile
 924                 tests/gpg/Makefile
 925                 tests/gpgsm/Makefile
 926                 tests/opassuan/Makefile
 927                 doc/Makefile complus/Makefile
 928                 src/versioninfo.rc
 929                 src/gpgme.h)
 930 AC_CONFIG_FILES(src/gpgme-config, chmod +x src/gpgme-config)
 931 AC_CONFIG_FILES([lang/Makefile lang/cl/Makefile lang/cl/gpgme.asd])
 932 AC_OUTPUT
 933
 934 echo "
 935         GPGME v${VERSION} has been configured as follows:
 936
 937         GnuPG path:      $GPG
 938         GnuPG version:   $GPG_VERSION, min. $NEED_GPG_VERSION
 939
 940         GpgSM path:      $GPGSM
 941         GpgSM version:   $GPGSM_VERSION, min. $NEED_GPGSM_VERSION
 942
 943         GpgConf path:    $GPGCONF
 944         GpgConf version: $GPGCONF_VERSION, min. $NEED_GPGCONF_VERSION
 945
 946         G13 path:        $G13
 947         G13 version:     $G13_VERSION, min. $NEED_G13_VERSION
 948
 949         Assuan version:  $libassuan_version, min. $NEED_LIBASSUAN_VERSION
 950
 951         UI Server:       $uiserver
 952         FD Passing:      $use_descriptor_passing
 953
 954         GPGME Pthread:   $have_pthread
 955         GPGME Pth:       $have_pth
 956 "