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, 2011  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="1.11"
  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 "$have_ld_version_script" = "yes")
 127
 128 GPG_DEFAULT=no
 129 GPGSM_DEFAULT=no
 130 GPGCONF_DEFAULT=no
 131 G13_DEFAULT=no
 132 component_system=None
 133 have_dosish_system=no
 134 have_w32_system=no
 135 have_w64_system=no
 136 build_w32_glib=no
 137 build_w32_qt=no
 138 case "${host}" in
 139     x86_64-*mingw32*)
 140         have_w64_system=yes
 141         ;;
 142     *-mingw32ce*)
 143         have_w32ce_system=yes
 144         ;;
 145 esac
 146 case "${host}" in
 147     *-mingw32ce*|*-mingw32*)
 148         have_dosish_system=yes
 149         have_w32_system=yes
 150         GPG_DEFAULT='c:\\gnupg\\gpg.exe'
 151         GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
 152         GPGCONF_DEFAULT='c:\\gnupg\\gpgconf.exe'
 153         G13_DEFAULT='c:\\gnupg\\g13.exe'
 154         #component_system='COM+'
 155
 156         AM_PATH_GLIB_2_0
 157         AC_ARG_ENABLE(w32-glib,
 158             AC_HELP_STRING([--enable-w32-glib], [build GPGME Glib for W32]),
 159                            build_w32_glib=$enableval)
 160
 161         # Check disabled, because the qt-dev packages in gpg4win do
 162         # not provide any support for cross compilation.
 163         # PKG_CHECK_MODULES(QT4_CORE, QtCore)
 164
 165         # Use it like this:
 166         # ./configure --enable-w32-qt QT4_CORE_CFLAGS="..." QT4_CORE_LIBS="..."
 167         AC_SUBST(QT4_CORE_CFLAGS)
 168         AC_SUBST(QT4_CORE_LIBS)
 169         AC_ARG_ENABLE(w32-qt,
 170             AC_HELP_STRING([--enable-w32-qt], [build GPGME Qt for W32]),
 171                            build_w32_qt=$enableval)
 172         ;;
 173     *)
 174         AC_CHECK_PTH(1.2.0,,,no,have_pth=yes)
 175         if test "$have_pth" = yes; then
 176           AC_DEFINE(HAVE_PTH, ,[Define if we have Pth.])
 177         fi
 178         AC_CHECK_LIB(pthread,pthread_create,have_pthread=yes)
 179         if test "$have_pthread" = yes; then
 180           AC_DEFINE(HAVE_PTHREAD, ,[Define if we have pthread.])
 181         fi
 182
 183         # XXX: Probably use exec-prefix here?
 184 #       GPG_DEFAULT='/usr/bin/gpg'
 185 #       GPGSM_DEFAULT='/usr/bin/gpgsm'
 186 #       GPGCONF_DEFAULT='/usr/bin/gpgconf'
 187 #       G13_DEFAULT='/usr/bin/g13'
 188         ;;
 189 esac
 190
 191 if test "$have_dosish_system" = yes; then
 192    AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
 193              [Defined if we run on some of the PCDOS like systems
 194               (DOS, Windoze. OS/2) with special properties like
 195               no file modes])
 196 fi
 197 AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes)
 198
 199 if test "$have_w32_system" = yes; then
 200    AC_DEFINE(HAVE_W32_SYSTEM,1,
 201              [Defined if we run on any kind of W32 API based system])
 202    ACSUBST
 203 fi
 204 AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes)
 205
 206 if test "$have_w64_system" = yes; then
 207    AC_DEFINE(HAVE_W64_SYSTEM,1,
 208              [Defined if we run on a 64 bit W32 API based system])
 209 fi
 210 AM_CONDITIONAL(HAVE_W64_SYSTEM, test "$have_w64_system" = yes)
 211
 212 if test "$have_w32ce_system" = yes; then
 213    AC_DEFINE(HAVE_W32CE_SYSTEM,1,
 214              [Defined if we run on a W32 CE API based system])
 215 fi
 216 AM_CONDITIONAL(HAVE_W32CE_SYSTEM, test "$have_w32ce_system" = yes)
 217
 218 AM_CONDITIONAL(BUILD_W32_GLIB, test "$build_w32_glib" = yes)
 219 AM_CONDITIONAL(BUILD_W32_QT, test "$build_w32_qt" = yes)
 220
 221 AM_CONDITIONAL(HAVE_PTH, test "$have_pth" = "yes")
 222 AM_CONDITIONAL(HAVE_PTHREAD, test "$have_pthread" = "yes")
 223
 224
 225
 226 # Checks for header files.
 227 AC_CHECK_HEADERS([locale.h])
 228 AC_CHECK_HEADERS(sys/select.h)
 229 AC_CHECK_HEADERS([sys/uio.h])
 230
 231
 232 # Type checks.
 233 AC_C_INLINE
 234 AC_CHECK_SIZEOF(unsigned int)
 235 AC_SYS_LARGEFILE
 236 AC_TYPE_OFF_T
 237 AC_TYPE_UINTPTR_T
 238
 239 # A simple compile time check in gpgme.h for GNU/Linux systems that
 240 # prevents a file offset bits mismatch between gpgme and the application.
 241 NEED__FILE_OFFSET_BITS=0
 242 case "$ac_cv_sys_file_offset_bits" in
 243   "" | no | unknown) ;;
 244   *)
 245   NEED__FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits
 246   ;;
 247 esac
 248 AC_SUBST(NEED__FILE_OFFSET_BITS)
 249
 250 # Figure out platform dependent typedefs for gpgme.h
 251 if test "$have_w32_system" = yes; then
 252    if test "$have_w64_system" = yes; then
 253       INSERT__TYPEDEFS_FOR_GPGME_H="/* Typedefs for the 64 bit W32 API.  */
 254 #include <basetsd.h>
 255 typedef long off_t;
 256 typedef __int64 ssize_t;"
 257    else
 258       INSERT__TYPEDEFS_FOR_GPGME_H="/* Typedefs for the 32 bit W32 API.  */
 259 typedef long off_t;
 260 typedef long ssize_t;"
 261    fi
 262 else
 263    INSERT__TYPEDEFS_FOR_GPGME_H="#include <sys/types.h>"
 264 fi
 265 AC_SUBST(INSERT__TYPEDEFS_FOR_GPGME_H)
 266 AM_SUBST_NOTMAKE(INSERT__TYPEDEFS_FOR_GPGME_H)
 267
 268 # Checks for compiler features.
 269 if test "$GCC" = yes; then
 270     CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
 271     if test "$have_w32_system" = yes; then
 272        CFLAGS="$CFLAGS -mms-bitfields"
 273     fi
 274 fi
 275
 276 # Only used for debugging, so no serious test needed (for actual
 277 # functionality you have to test libc as well, this only tests the
 278 # compiler).
 279 AC_CACHE_CHECK([for __thread],[gpgme_cv_tls_works],
 280    AC_COMPILE_IFELSE([__thread int foo;],
 281      gpgme_cv_tls_works=yes,gpgme_cv_tls_works=no))
 282 if test "$gpgme_cv_tls_works" = yes; then
 283   AC_DEFINE(HAVE_TLS, [1], [Define if __thread is supported])
 284 fi
 285
 286
 287 # Checks for library functions.
 288 AC_FUNC_FSEEKO
 289
 290 AC_REPLACE_FUNCS(vasprintf)
 291 if test "$ac_cv_func_vasprintf" != yes; then
 292   GNUPG_CHECK_VA_COPY
 293 fi
 294
 295 # Try to find a thread-safe version of ttyname().
 296 AC_REPLACE_FUNCS(ttyname_r)
 297 if test "$ac_cv_func_ttyname_r" != yes; then
 298   AC_MSG_WARN([
 299 ***
 300 *** ttyname() is not thread-safe and ttyname_r() does not exist
 301 ***])
 302 fi
 303
 304 # Try to find a thread-safe version of getenv().
 305 have_thread_safe_getenv=no
 306 jm_GLIBC21
 307 if test $GLIBC21 = yes; then
 308   have_thread_safe_getenv=yes
 309 fi
 310 if test $have_thread_safe_getenv = yes; then
 311   AC_DEFINE(HAVE_THREAD_SAFE_GETENV, [1], [Define if getenv() is thread-safe])
 312 fi
 313 have_getenv_r=no
 314 AC_CHECK_FUNCS(getenv_r, have_getenv_r=yes)
 315 if test $have_getenv_r = no && test $have_thread_safe_getenv = no; then
 316   AC_MSG_WARN([
 317 ***
 318 *** getenv() is not thread-safe and getenv_r() does not exist
 319 ***])
 320 fi
 321
 322 # For converting time strings to seconds since Epoch, we need the timegm
 323 # function.
 324 AC_CHECK_FUNCS(timegm)
 325 if test "$ac_cv_func_timegm" != yes; then
 326   AC_MSG_WARN([
 327 ***
 328 *** timegm() not available - a non-thread-safe kludge will be used
 329 *** and the TZ variable might be changed at runtime.
 330 ***])
 331 fi
 332
 333 AC_CHECK_FUNCS(setlocale)
 334
 335 # Checking for libgpg-error.
 336 AM_PATH_GPG_ERROR(1.8,, AC_MSG_ERROR([libgpg-error was not found]))
 337 AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
 338           [The default error source for GPGME.])
 339
 340 # And for libassuan.
 341 have_libassuan=no
 342 AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
 343                   have_libassuan=yes, have_libassuan=no)
 344 if test "$have_libassuan" = "yes"; then
 345   AC_DEFINE_UNQUOTED(GPGME_LIBASSUAN_VERSION, "$libassuan_version",
 346                      [version of the libassuan library])
 347 fi
 348 AM_CONDITIONAL(HAVE_ASSUAN, test "$have_libassuan" = "yes")
 349 if test "$have_libassuan" = "yes"; then
 350   AC_DEFINE(ENABLE_ASSUAN,1,[Whether Assuan support is enabled])
 351 fi
 352
 353 # Checks for system services
 354 NEED_GPG_VERSION_DEFAULT=1.4.0
 355 NEED_GPGSM_VERSION_DEFAULT=1.9.6
 356 NEED_GPGCONF_VERSION_DEFAULT=2.0.4
 357 NEED_G13_VERSION_DEFAULT=2.1.0
 358 NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
 359 NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
 360 NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
 361 NEED_G13_VERSION="$NEED_G13_VERSION_DEFAULT"
 362 AC_ARG_WITH(gpg-version,
 363             AC_HELP_STRING([--with-gpg-version=VER], [require GnuPG version VER]),
 364             NEED_GPG_VERSION=$withval)
 365 if test "$NEED_GPG_VERSION" = "yes"; then
 366   NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
 367 fi
 368 if test "$NEED_GPG_VERSION" = "no"; then
 369   NEED_GPG_VERSION=0.0.0
 370 fi
 371 AC_ARG_WITH(gpgsm-version,
 372             AC_HELP_STRING([--with-gpgsm-version=VER], [require GPGSM version VER]),
 373             NEED_GPGSM_VERSION=$withval)
 374 if test "$NEED_GPGSM_VERSION" = "yes"; then
 375   NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
 376 fi
 377 if test "$NEED_GPGSM_VERSION" = "no"; then
 378   NEED_GPGSM_VERSION=0.0.0
 379 fi
 380 AC_ARG_WITH(gpgconf-version,
 381             AC_HELP_STRING([--with-gpgconf-version=VER], [require GPGCONF version VER]),
 382             NEED_GPGCONF_VERSION=$withval)
 383 if test "$NEED_GPGCONF_VERSION" = "yes"; then
 384   NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
 385 fi
 386 if test "$NEED_GPGCONF_VERSION" = "no"; then
 387   NEED_GPGCONF_VERSION=0.0.0
 388 fi
 389 AC_ARG_WITH(g13-version,
 390             AC_HELP_STRING([--with-g13-version=VER], [require G13 version VER]),
 391             NEED_G13_VERSION=$withval)
 392 if test "$NEED_G13_VERSION" = "yes"; then
 393   NEED_G13_VERSION="$NEED_G13_VERSION_DEFAULT"
 394 fi
 395 if test "$NEED_G13_VERSION" = "no"; then
 396   NEED_G13_VERSION=0.0.0
 397 fi
 398
 399 AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
 400                                      [Min. needed GnuPG version.])
 401 AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
 402                                        [Min. needed GPGSM version.])
 403 AC_DEFINE_UNQUOTED(NEED_GPGCONF_VERSION, "$NEED_GPGCONF_VERSION",
 404                                          [Min. needed GPGCONF version.])
 405 AC_DEFINE_UNQUOTED(NEED_G13_VERSION, "$NEED_G13_VERSION",
 406                                      [Min. needed G13 version.])
 407
 408
 409 NO_OVERRIDE=no
 410 AC_ARG_WITH(gpg,
 411             AC_HELP_STRING([--with-gpg=PATH], [use GnuPG binary at PATH]),
 412             GPG=$withval, NO_OVERRIDE=yes)
 413 if test "$NO_OVERRIDE" = "yes" || test "$GPG" = "yes"; then
 414   GPG=
 415   NO_OVERRIDE=yes
 416   if test "$cross_compiling" != "yes"; then
 417     AC_PATH_PROG(GPG, gpg)
 418   fi
 419   if test -z "$GPG"; then
 420     GPG="$GPG_DEFAULT"
 421   fi
 422 fi
 423 if test "$GPG" = no; then
 424   if test "$NO_OVERRIDE" = "yes"; then
 425     if test "$cross_compiling" != "yes"; then
 426       AC_MSG_WARN([
 427 ***
 428 *** Could not find GnuPG, install GnuPG or use --with-gpg=PATH to enable it
 429 ***])
 430     else
 431       AC_MSG_ERROR([
 432 ***
 433 *** Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH
 434 ***])
 435     fi
 436   fi
 437 else
 438   AC_DEFINE_UNQUOTED(GPG_PATH, "$GPG", [Path to the GnuPG binary.])
 439   AC_SUBST(GPG)
 440 fi
 441 dnl Check for GnuPG version requirement.
 442 GPG_VERSION=unknown
 443 ok=maybe
 444 if test -z "$GPG" -o "x$GPG" = "xno"; then
 445   ok=no
 446 else
 447   if test "$cross_compiling" = "yes"; then
 448     AC_MSG_WARN([GnuPG version can not be checked when cross compiling])
 449     ok=no
 450   else
 451     if test ! -x "$GPG"; then
 452       AC_MSG_WARN([GnuPG not executable, version check disabled])
 453       ok=no
 454     fi
 455   fi
 456 fi
 457 if test "$ok" = "maybe"; then
 458   AC_MSG_CHECKING(for GPG >= $NEED_GPG_VERSION)
 459   req_major=`echo $NEED_GPG_VERSION | \
 460              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 461   req_minor=`echo $NEED_GPG_VERSION | \
 462              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 463   req_micro=`echo $NEED_GPG_VERSION | \
 464              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 465   GPG_VERSION=`$GPG --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 466   major=`echo $GPG_VERSION | \
 467          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 468   minor=`echo $GPG_VERSION | \
 469          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 470   micro=`echo $GPG_VERSION | \
 471          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 472
 473   if test "$major" -gt "$req_major"; then
 474     ok=yes
 475   else
 476     if test "$major" -eq "$req_major"; then
 477       if test "$minor" -gt "$req_minor"; then
 478         ok=yes
 479       else
 480         if test "$minor" -eq "$req_minor"; then
 481           if test "$micro" -ge "$req_micro"; then
 482             ok=yes
 483           fi
 484         fi
 485       fi
 486     fi
 487   fi
 488   if test "$ok" = "yes"; then
 489     AC_MSG_RESULT(yes)
 490   else
 491     AC_MSG_RESULT(no)
 492     AC_MSG_WARN([GPG must be at least version $NEED_GPG_VERSION])
 493   fi
 494 fi
 495 run_gpg_test="$ok"
 496 AC_ARG_ENABLE(gpg-test,
 497   AC_HELP_STRING([--disable-gpg-test], [disable GPG run test]),
 498          run_gpg_test=$enableval)
 499 AM_CONDITIONAL(RUN_GPG_TESTS, test "$run_gpg_test" = "yes")
 500 AC_SUBST(GPG_PATH)
 501
 502 NO_OVERRIDE=no
 503 AC_ARG_WITH(gpgsm,
 504             AC_HELP_STRING([--with-gpgsm=PATH], [use GpgSM binary at PATH]),
 505             GPGSM=$withval, NO_OVERRIDE=yes)
 506 if test "$NO_OVERRIDE" = "yes" || test "$GPGSM" = "yes"; then
 507   GPGSM=
 508   NO_OVERRIDE=yes
 509   if test "$cross_compiling" != "yes"; then
 510     AC_PATH_PROG(GPGSM, gpgsm)
 511   fi
 512   if test -z "$GPGSM"; then
 513     GPGSM="$GPGSM_DEFAULT"
 514   fi
 515 fi
 516 if test "$GPGSM" = no; then
 517   if test "$NO_OVERRIDE" = "yes"; then
 518     if test "$cross_compiling" != "yes"; then
 519       AC_MSG_WARN([
 520 ***
 521 *** Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it
 522 ***])
 523     else
 524       AC_MSG_ERROR([
 525 ***
 526 *** Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH
 527 ***])
 528     fi
 529   fi
 530 else
 531   AC_DEFINE_UNQUOTED(GPGSM_PATH, "$GPGSM", [Path to the GPGSM binary.])
 532   AC_DEFINE(ENABLE_GPGSM,1,[Whether GPGSM support is enabled])
 533 fi
 534 AM_CONDITIONAL(HAVE_GPGSM, test "$GPGSM" != "no")
 535
 536
 537 dnl Check for GPGSM version requirement.
 538 GPGSM_VERSION=unknown
 539 ok=maybe
 540 if test -z "$GPGSM" -o "x$GPGSM" = "xno"; then
 541   ok=no
 542 else
 543   if test "$cross_compiling" = "yes"; then
 544     AC_MSG_WARN([GPGSM version can not be checked when cross compiling])
 545     ok=no
 546   else
 547     if test ! -x "$GPGSM"; then
 548       AC_MSG_WARN([GPGSM not executable, version check disabled])
 549       ok=no
 550     fi
 551   fi
 552 fi
 553 if test "$ok" = "maybe"; then
 554   AC_MSG_CHECKING(for GPGSM >= $NEED_GPGSM_VERSION)
 555   req_major=`echo $NEED_GPGSM_VERSION | \
 556              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 557   req_minor=`echo $NEED_GPGSM_VERSION | \
 558              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 559   req_micro=`echo $NEED_GPGSM_VERSION | \
 560              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 561   GPGSM_VERSION=`$GPGSM --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 562   major=`echo $GPGSM_VERSION | \
 563          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 564   minor=`echo $GPGSM_VERSION | \
 565          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 566   micro=`echo $GPGSM_VERSION | \
 567          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 568
 569   if test "$major" -gt "$req_major"; then
 570     ok=yes
 571   else
 572     if test "$major" -eq "$req_major"; then
 573       if test "$minor" -gt "$req_minor"; then
 574         ok=yes
 575       else
 576         if test "$minor" -eq "$req_minor"; then
 577           if test "$micro" -ge "$req_micro"; then
 578             ok=yes
 579           fi
 580         fi
 581       fi
 582     fi
 583   fi
 584   if test "$ok" = "yes"; then
 585     AC_MSG_RESULT(yes)
 586   else
 587     AC_MSG_RESULT(no)
 588     AC_MSG_WARN([GPGSM must be at least version $NEED_GPGSM_VERSION])
 589   fi
 590 fi
 591 run_gpgsm_test="$ok"
 592 AC_ARG_ENABLE(gpgsm-test,
 593   AC_HELP_STRING([--disable-gpgsm-test], [disable GPGSM run test]),
 594          run_gpgsm_test=$enableval)
 595 AM_CONDITIONAL(RUN_GPGSM_TESTS, test "$run_gpgsm_test" = "yes")
 596
 597
 598 NO_OVERRIDE=no
 599 AC_ARG_WITH(gpgconf,
 600             AC_HELP_STRING([--with-gpgconf=PATH],
 601                            [use gpgconf binary at PATH]),
 602             GPGCONF=$withval, NO_OVERRIDE=yes)
 603 if test "$NO_OVERRIDE" = "yes" || test "$GPGCONF" = "yes"; then
 604   GPGCONF=
 605   NO_OVERRIDE=yes
 606   if test "$cross_compiling" != "yes"; then
 607     AC_PATH_PROG(GPGCONF, gpgconf)
 608   fi
 609   if test -z "$GPGCONF"; then
 610     GPGCONF="$GPGCONF_DEFAULT"
 611   fi
 612 fi
 613 if test "$GPGCONF" = no; then
 614   if test "$NO_OVERRIDE" = "yes"; then
 615     if test "$cross_compiling" != "yes"; then
 616       AC_MSG_WARN([
 617 ***
 618 *** Could not find gpgconf, install gpgconf or use --with-gpgconf=PATH to enable it
 619 ***])
 620     else
 621       AC_MSG_ERROR([
 622 ***
 623 *** Can not determine path to gpgconf when cross-compiling, use --with-gpgconf=PATH
 624 ***])
 625     fi
 626   fi
 627 else
 628   AC_DEFINE_UNQUOTED(GPGCONF_PATH, "$GPGCONF", [Path to the GPGCONF binary.])
 629   AC_DEFINE(ENABLE_GPGCONF,1,[Whether GPGCONF support is enabled])
 630 fi
 631 AM_CONDITIONAL(HAVE_GPGCONF, test "$GPGCONF" != "no")
 632
 633 dnl Check for GPGCONF version requirement.
 634 GPGCONF_VERSION=unknown
 635 ok=maybe
 636 if test -z "$GPGCONF" -o "x$GPGCONF" = "xno"; then
 637   ok=no
 638 else
 639   if test "$cross_compiling" = "yes"; then
 640     AC_MSG_WARN([GPGCONF version can not be checked when cross compiling])
 641     ok=no
 642   else
 643     if test ! -x "$GPGCONF"; then
 644       AC_MSG_WARN([GPGCONF not executable, version check disabled])
 645       ok=no
 646     fi
 647   fi
 648 fi
 649 if test "$ok" = "maybe"; then
 650   AC_MSG_CHECKING(for GPGCONF >= $NEED_GPGCONF_VERSION)
 651   req_major=`echo $NEED_GPGCONF_VERSION | \
 652              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 653   req_minor=`echo $NEED_GPGCONF_VERSION | \
 654              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 655   req_micro=`echo $NEED_GPGCONF_VERSION | \
 656              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 657   GPGCONF_VERSION=`$GPGCONF --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 658   major=`echo $GPGCONF_VERSION | \
 659          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 660   minor=`echo $GPGCONF_VERSION | \
 661          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 662   micro=`echo $GPGCONF_VERSION | \
 663          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 664
 665   if test "$major" -gt "$req_major"; then
 666     ok=yes
 667   else
 668     if test "$major" -eq "$req_major"; then
 669       if test "$minor" -gt "$req_minor"; then
 670         ok=yes
 671       else
 672         if test "$minor" -eq "$req_minor"; then
 673           if test "$micro" -ge "$req_micro"; then
 674             ok=yes
 675           fi
 676         fi
 677       fi
 678     fi
 679   fi
 680   if test "$ok" = "yes"; then
 681     AC_MSG_RESULT(yes)
 682   else
 683     AC_MSG_RESULT(no)
 684     AC_MSG_WARN([GPGCONF must be at least version $NEED_GPGCONF_VERSION])
 685   fi
 686 fi
 687 run_gpgconf_test="$ok"
 688 AC_ARG_ENABLE(gpgconf-test,
 689   AC_HELP_STRING([--disable-gpgconf-test], [disable GPGCONF run test]),
 690          run_gpgconf_test=$enableval)
 691 AM_CONDITIONAL(RUN_GPGCONF_TESTS, test "$run_gpgconf_test" = "yes")
 692
 693
 694 NO_OVERRIDE=no
 695 AC_ARG_WITH(g13,
 696             AC_HELP_STRING([--with-g13=PATH],
 697                            [use g13 binary at PATH]),
 698             G13=$withval, NO_OVERRIDE=yes)
 699 if test "$NO_OVERRIDE" = "yes" || test "$G13" = "yes"; then
 700   G13=
 701   NO_OVERRIDE=yes
 702   if test "$cross_compiling" != "yes"; then
 703     AC_PATH_PROG(G13, g13)
 704   fi
 705   if test -z "$G13"; then
 706     G13="$G13_DEFAULT"
 707   fi
 708 fi
 709 if test "$G13" = no; then
 710   if test "$NO_OVERRIDE" = "yes"; then
 711     if test "$cross_compiling" != "yes"; then
 712       AC_MSG_WARN([
 713 ***
 714 *** Could not find g13, install g13 or use --with-g13=PATH to enable it
 715 ***])
 716     else
 717       AC_MSG_ERROR([
 718 ***
 719 *** Can not determine path to g13 when cross-compiling, use --with-g13=PATH
 720 ***])
 721     fi
 722   fi
 723 else
 724   AC_DEFINE_UNQUOTED(G13_PATH, "$G13", [Path to the G13 binary.])
 725   AC_DEFINE(ENABLE_G13,1,[Whether G13 support is enabled])
 726 fi
 727 AM_CONDITIONAL(HAVE_G13, test "$G13" != "no")
 728
 729 dnl Check for G13 version requirement.
 730 G13_VERSION=unknown
 731 ok=maybe
 732 if test -z "$G13" -o "x$G13" = "xno"; then
 733   ok=no
 734 else
 735   if test "$cross_compiling" = "yes"; then
 736     AC_MSG_WARN([G13 version can not be checked when cross compiling])
 737     ok=no
 738   else
 739     if test ! -x "$G13"; then
 740       AC_MSG_WARN([G13 not executable, version check disabled])
 741       ok=no
 742     fi
 743   fi
 744 fi
 745 if test "$ok" = "maybe"; then
 746   AC_MSG_CHECKING(for G13 >= $NEED_G13_VERSION)
 747   req_major=`echo $NEED_G13_VERSION | \
 748              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 749   req_minor=`echo $NEED_G13_VERSION | \
 750              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 751   req_micro=`echo $NEED_G13_VERSION | \
 752              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 753   G13_VERSION=`$G13 --version | sed -n '1 s/.*\ \([[0-9]].*\)/\1/p'`
 754   major=`echo $G13_VERSION | \
 755          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 756   minor=`echo $G13_VERSION | \
 757          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 758   micro=`echo $G13_VERSION | \
 759          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 760
 761   if test "$major" -gt "$req_major"; then
 762     ok=yes
 763   else
 764     if test "$major" -eq "$req_major"; then
 765       if test "$minor" -gt "$req_minor"; then
 766         ok=yes
 767       else
 768         if test "$minor" -eq "$req_minor"; then
 769           if test "$micro" -ge "$req_micro"; then
 770             ok=yes
 771           fi
 772         fi
 773       fi
 774     fi
 775   fi
 776   if test "$ok" = "yes"; then
 777     AC_MSG_RESULT(yes)
 778   else
 779     AC_MSG_RESULT(no)
 780     AC_MSG_WARN([G13 must be at least version $NEED_G13_VERSION])
 781   fi
 782 fi
 783 run_g13_test="$ok"
 784 AC_ARG_ENABLE(g13-test,
 785   AC_HELP_STRING([--disable-g13-test], [disable G13 run test]),
 786          run_g13_test=$enableval)
 787 AM_CONDITIONAL(RUN_G13_TESTS, test "$run_g13_test" = "yes")
 788
 789
 790 # Check for funopen
 791 AC_CHECK_FUNCS(funopen)
 792 if test $ac_cv_func_funopen != yes; then
 793     # No funopen but we can implement that in terms of fopencookie.
 794     AC_CHECK_FUNCS(fopencookie)
 795     if test $ac_cv_func_fopencookie = yes; then
 796         AC_REPLACE_FUNCS(funopen)
 797     else
 798         AC_MSG_WARN([
 799 ***
 800 *** No implementation of fopencookie or funopen available
 801 ***])
 802     fi
 803 fi
 804
 805 # Check for getgid etc
 806 AC_CHECK_FUNCS(getgid getegid)
 807
 808
 809 # Replacement functions.
 810 AC_REPLACE_FUNCS(stpcpy)
 811 # Check for unistd.h for setenv replacement function.
 812 AC_CHECK_HEADERS([unistd.h sys/time.h sys/types.h sys/stat.h])
 813 AC_REPLACE_FUNCS(setenv)
 814
 815 # Assuan check for descriptor passing.
 816 AC_CHECK_MEMBER(struct cmsghdr.cmsg_len,
 817                 [supports_descriptor_passing=yes],
 818                 [supports_descriptor_passing=no
 819                  AC_MSG_WARN([
 820 ***
 821 *** Data structure for sending ancillary data missing.
 822 *** Descriptor passing won't work.
 823 ***])],[
 824 #include <stdlib.h>
 825 #include <stddef.h>
 826 #include <stdio.h>
 827 #include <sys/types.h>
 828 #include <sys/socket.h>
 829 #include <sys/un.h>
 830 #if HAVE_SYS_UIO_H
 831 #include <sys/uio.h>
 832 #endif
 833 #include <unistd.h>
 834        ])
 835
 836 use_descriptor_passing=no
 837 AC_ARG_ENABLE(fd-passing,
 838   AC_HELP_STRING([--enable-fd-passing], [use FD passing if supported]),
 839   use_descriptor_passing=$enableval)
 840
 841 if test "$supports_descriptor_passing" != "yes"; then
 842   use_descriptor_passing=no
 843 fi
 844
 845 if test "$use_descriptor_passing" = "yes"; then
 846 AC_DEFINE(USE_DESCRIPTOR_PASSING,1,
 847           [Defined if descriptor passing is enabled and supported])
 848 fi
 849
 850 AM_CONDITIONAL(USE_DESCRIPTOR_PASSING, test "$use_descriptor_passing" = "yes")
 851
 852
 853 uiserver=no
 854 if test "$use_descriptor_passing" = "yes" && test "$have_libassuan" = "yes"; then
 855   uiserver=yes
 856 fi
 857 if test "$uiserver" != "no"; then
 858   AC_DEFINE(ENABLE_UISERVER, 1,
 859             [Defined if we are building with uiserver support.])
 860 fi
 861 AM_CONDITIONAL(HAVE_UISERVER, test "$uiserver" != "no")
 862
 863
 864 AM_CONDITIONAL(BUILD_COMPLUS, test "$component_system" = "COM+")
 865
 866 # Generate values for the DLL version info
 867 if test "$have_w32_system" = yes; then
 868     BUILD_TIMESTAMP=`date --iso-8601=minutes`
 869     changequote(,)dnl
 870     BUILD_FILEVERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./;s/\./,/g'`
 871     changequote([,])dnl
 872     BUILD_FILEVERSION="${BUILD_FILEVERSION}${BUILD_REVISION}"
 873 fi
 874 AC_SUBST(BUILD_REVISION)
 875 AC_SUBST(BUILD_TIMESTAMP)
 876 AC_SUBST(BUILD_FILEVERSION)
 877
 878 # Add a few constants to help porting to W32
 879 AH_VERBATIM([SEPCONSTANTS],
 880 [
 881 /* Separators as used in $PATH.  */
 882 #ifdef HAVE_DOSISH_SYSTEM
 883 #define PATHSEP_C ';'
 884 #else
 885 #define PATHSEP_C ':'
 886 #endif
 887 ])
 888
 889 AH_BOTTOM([
 890 /* Definition of GCC specific attributes.  */
 891 #if __GNUC__ > 2
 892 # define GPGME_GCC_A_PURE  __attribute__ ((__pure__))
 893 #else
 894 # define GPGME_GCC_A_PURE
 895 #endif
 896
 897 /* Under WindowsCE we need gpg-error's strerror macro.  */
 898 #define GPG_ERR_ENABLE_ERRNO_MACROS 1
 899 ])
 900
 901
 902 # Substitution used for gpgme-config
 903 GPGME_CONFIG_LIBS="-lgpgme"
 904 GPGME_CONFIG_CFLAGS=""
 905 GPGME_CONFIG_HOST="$host"
 906 AC_SUBST(GPGME_CONFIG_API_VERSION)
 907 AC_SUBST(GPGME_CONFIG_LIBS)
 908 AC_SUBST(GPGME_CONFIG_CFLAGS)
 909 AC_SUBST(GPGME_CONFIG_HOST)
 910
 911 # Frob'da Variables
 912 LTLIBOBJS=`echo "$LIB@&t@OBJS" |
 913            sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`
 914 AC_SUBST(LTLIBOBJS)
 915
 916 # Some checks for gpgme-tool
 917 AC_CHECK_HEADER([argp.h])
 918 AC_CHECK_TYPES([error_t], [],
 919    [AC_DEFINE([error_t], [int],
 920    [Define to a type to use for `error_t' if it is not otherwise available.])],
 921    [#include <errno.h>])
 922
 923
 924 # A substitution to set generated files in a Emacs buffer to read-only.
 925 AC_SUBST(emacs_local_vars_begin, ['Local Variables:'])
 926 AC_SUBST(emacs_local_vars_read_only, ['buffer-read-only: t'])
 927 AC_SUBST(emacs_local_vars_end, ['End:'])
 928
 929
 930 # Last check.
 931 die=no
 932 if test "$have_libassuan" = "no"; then
 933    die=yes
 934    AC_MSG_NOTICE([[
 935 ***
 936 *** You need libassuan to build this program with GPGSM support.
 937 *** This library is for example available at
 938 ***   ftp://ftp.gnupg.org/gcrypt/libassuan/
 939 *** (at least version $NEED_LIBASSUAN_VERSION (API $NEED_LIBASSUAN_API) is required).
 940 ***]])
 941 fi
 942
 943 if test "$die" = "yes"; then
 944     AC_MSG_ERROR([[
 945 ***
 946 *** Required libraries not found. Please consult the above messages
 947 *** and install them before running configure again.
 948 ***]])
 949 fi
 950
 951
 952 #
 953 # Create config files
 954
 955 AC_CONFIG_FILES(Makefile src/Makefile
 956                 tests/Makefile
 957                 tests/gpg/Makefile
 958                 tests/gpgsm/Makefile
 959                 tests/opassuan/Makefile
 960                 doc/Makefile complus/Makefile
 961                 src/versioninfo.rc
 962                 src/gpgme.h)
 963 AC_CONFIG_FILES(src/gpgme-config, chmod +x src/gpgme-config)
 964 AC_CONFIG_FILES([lang/Makefile lang/cl/Makefile lang/cl/gpgme.asd])
 965 AC_OUTPUT
 966
 967 echo "
 968         GPGME v${VERSION} has been configured as follows:
 969
 970         GnuPG path:      $GPG
 971         GnuPG version:   $GPG_VERSION, min. $NEED_GPG_VERSION
 972
 973         GpgSM path:      $GPGSM
 974         GpgSM version:   $GPGSM_VERSION, min. $NEED_GPGSM_VERSION
 975
 976         GpgConf path:    $GPGCONF
 977         GpgConf version: $GPGCONF_VERSION, min. $NEED_GPGCONF_VERSION
 978
 979         G13 path:        $G13
 980         G13 version:     $G13_VERSION, min. $NEED_G13_VERSION
 981
 982         Assuan version:  $libassuan_version, min. $NEED_LIBASSUAN_VERSION
 983
 984         UI Server:       $uiserver
 985         FD Passing:      $use_descriptor_passing
 986
 987         GPGME Pthread:   $have_pthread
 988         GPGME Pth:       $have_pth
 989 "