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 g10 Code GmbH
   4 #
   5 # This file is part of GPGME.
   6 #
   7 # GPGME is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU Lesser General Public License as
   9 # published by the Free Software Foundation; either version 2.1 of the
  10 # License, or (at your option) any later version.
  11 #
  12 # GPGME is distributed in the hope that it will be useful, but WITHOUT
  13 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
  15 # Public License for more details.
  16 #
  17 # You should have received a copy of the GNU Lesser General Public
  18 # License along with this program; if not, write to the Free Software
  19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  20
  21 # (Process this file with autoconf to produce a configure script.)
  22 AC_PREREQ(2.59)
  23 min_automake_version="1.10"
  24
  25 # Version number: Remember to change it immediately *after* a release.
  26 #                 Make sure to run  "svn up" and "./autogen.sh --force"
  27 #                  before a "make dist".  See below for the LT versions.
  28 #
  29 # The SVN version is usually the next intended release version with
  30 # the string "-svnNNN" appended.  The reason for this is that tests for a
  31 # specific feature can already be done under the assumption that the
  32 # SVN version is the most recent one in a branch.  To disable the SVN
  33 # version for the real release, set the my_issvn macro to no.
  34 m4_define(my_version, [1.1.9])
  35 m4_define(my_issvn, [yes])
  36
  37 m4_define([svn_revision], m4_esyscmd([echo -n $( (svn info 2>/dev/null \
  38             || echo 'Revision: 0')|sed -n '/^Revision:/ {s/[^0-9]//gp;q;}')]))
  39 AC_INIT([gpgme],
  40         [my_version[]m4_if(my_issvn,[yes],[-svn[]svn_revision])],
  41         [bug-gpgme@gnupg.org])
  42
  43
  44 # LT Version numbers, remember to change them just *before* a release.
  45 #   (Code changed:                      REVISION++)
  46 #   (Interfaces added/removed/changed:  CURRENT++, REVISION=0)
  47 #   (Interfaces added:                  AGE++)
  48 #   (Interfaces removed/changed:        AGE=0)
  49 #
  50 LIBGPGME_LT_CURRENT=17
  51 # Subtract 2 from this value if you want to make the LFS transition an
  52 # ABI break.  [Note to self: Remove this comment with the next regular break.]
  53 LIBGPGME_LT_AGE=6
  54 LIBGPGME_LT_REVISION=6
  55
  56 # If the API is changed in an incompatible way: increment the next counter.
  57 GPGME_CONFIG_API_VERSION=1
  58 ##############################################
  59
  60
  61 BUILD_REVISION=svn_revision
  62 PACKAGE=$PACKAGE_NAME
  63 VERSION=$PACKAGE_VERSION
  64
  65 AC_CONFIG_SRCDIR(src/gpgme.h.in)
  66 dnl FIXME: Enable this with autoconf 2.59.
  67 dnl AC_CONFIG_MACRO_DIR(m4)
  68 AM_CONFIG_HEADER(config.h)
  69 AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
  70 AM_MAINTAINER_MODE
  71 AC_CANONICAL_HOST
  72
  73 # Enable GNU extensions on systems that have them.
  74 AC_GNU_SOURCE
  75
  76 AH_VERBATIM([_REENTRANT],
  77 [/* To allow the use of GPGME in multithreaded programs we have to use
  78   special features from the library.
  79   IMPORTANT: gpgme is not yet fully reentrant and you should use it
  80   only from one thread.  */
  81 #ifndef _REENTRANT
  82 # define _REENTRANT 1
  83 #endif])
  84
  85 AC_PROG_CC
  86 AC_PROG_CXX
  87
  88 AC_SUBST(LIBGPGME_LT_CURRENT)
  89 AC_SUBST(LIBGPGME_LT_AGE)
  90 AC_SUBST(LIBGPGME_LT_REVISION)
  91
  92 AC_SUBST(PACKAGE)
  93 AC_SUBST(VERSION)
  94 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
  95 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
  96
  97 # Don't default to build static libs.
  98 AC_DISABLE_STATIC
  99 AC_LIBTOOL_WIN32_DLL
 100 AC_LIBTOOL_RC
 101 AC_PROG_LIBTOOL
 102
 103 # For now we hardcode the use of version scripts.  It would be better
 104 # to write a test for this or even implement this within libtool.
 105 have_ld_version_script=no
 106 case "${host}" in
 107     *-*-linux*)
 108         have_ld_version_script=yes
 109         ;;
 110     *-*-gnu*)
 111         have_ld_version_script=yes
 112         ;;
 113     *-apple-darwin*)
 114         AC_DEFINE(_XOPEN_SOURCE, 500, Activate POSIX interface on MacOS X)
 115         ;;
 116 esac
 117
 118 AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 119
 120 GPG_DEFAULT=no
 121 GPGSM_DEFAULT=no
 122 GPGCONF_DEFAULT=no
 123 component_system=None
 124 have_dosish_system=no
 125 have_w32_system=no
 126 build_w32_glib=no
 127 build_w32_qt=no
 128 case "${host}" in
 129     *-mingw32*)
 130         # special stuff for Windoze NT
 131         have_dosish_system=yes
 132         have_w32_system=yes
 133         GPG_DEFAULT='c:\\gnupg\\gpg.exe'
 134         GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
 135         GPGCONF_DEFAULT='c:\\gnupg\\gpgconf.exe'
 136         #component_system='COM+'
 137
 138         AM_PATH_GLIB_2_0
 139         AC_ARG_ENABLE(w32-glib,
 140             AC_HELP_STRING([--enable-w32-glib], [build GPGME Glib for W32]),
 141                            build_w32_glib=$enableval)
 142
 143         # Check disabled, because the qt-dev packages in gpg4win do
 144         # not provide any support for cross compilation.
 145         # PKG_CHECK_MODULES(QT4_CORE, QtCore)
 146
 147         # Use it like this:
 148         # ./configure --enable-w32-qt QT4_CORE_CFLAGS="..." QT4_CORE_LIBS="..."
 149         AC_SUBST(QT4_CORE_CFLAGS)
 150         AC_SUBST(QT4_CORE_LIBS)
 151         AC_ARG_ENABLE(w32-qt,
 152             AC_HELP_STRING([--enable-w32-qt], [build GPGME Qt for W32]),
 153                            build_w32_qt=$enableval)
 154         ;;
 155     *)
 156         AC_CHECK_PTH(1.2.0,,,no,have_pth=yes)
 157         if test "$have_pth" = yes; then
 158           AC_DEFINE(HAVE_PTH, ,[Define if we have Pth.])
 159         fi
 160         AC_CHECK_LIB(pthread,pthread_create,have_pthread=yes)
 161         if test "$have_pthread" = yes; then
 162           AC_DEFINE(HAVE_PTHREAD, ,[Define if we have pthread.])
 163         fi
 164
 165         # XXX: Probably use exec-prefix here?
 166 #       GPG_DEFAULT='/usr/bin/gpg'
 167 #       GPGSM_DEFAULT='/usr/bin/gpgsm'
 168 #       GPGCONF_DEFAULT='/usr/bin/gpgconf'
 169         ;;
 170 esac
 171
 172 if test "$have_dosish_system" = yes; then
 173    AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
 174              [Defined if we run on some of the PCDOS like systems
 175               (DOS, Windoze. OS/2) with special properties like
 176               no file modes])
 177 fi
 178 AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes)
 179
 180 if test "$have_w32_system" = yes; then
 181    AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on a W32 API based system])
 182 fi
 183 AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes)
 184 AM_CONDITIONAL(BUILD_W32_GLIB, test "$build_w32_glib" = yes)
 185 AM_CONDITIONAL(BUILD_W32_QT, test "$build_w32_qt" = yes)
 186
 187 AM_CONDITIONAL(HAVE_PTH, test "$have_pth" = "yes")
 188 AM_CONDITIONAL(HAVE_PTHREAD, test "$have_pthread" = "yes")
 189
 190
 191 # Checks for header files.
 192 AC_CHECK_HEADERS(sys/select.h)
 193
 194
 195 # Type checks.
 196 AC_C_INLINE
 197 AC_CHECK_SIZEOF(unsigned int)
 198 AC_SYS_LARGEFILE
 199 AC_TYPE_OFF_T
 200
 201 # Checks for compiler features.
 202 if test "$GCC" = yes; then
 203     CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
 204     if test "$have_w32_system" = yes; then
 205        CFLAGS="$CFLAGS -mms-bitfields"
 206     fi
 207 fi
 208
 209 # Network library fun.
 210 AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname,
 211         [NETLIBS="-lnsl $NETLIBS"]))
 212 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
 213         [NETLIBS="-lsocket $NETLIBS"]))
 214 AC_SUBST(NETLIBS)
 215
 216 # Checks for library functions.
 217 AC_FUNC_FSEEKO
 218
 219 AC_REPLACE_FUNCS(vasprintf)
 220 if test "$ac_cv_func_vasprintf" != yes; then
 221   GNUPG_CHECK_VA_COPY
 222 fi
 223
 224 # Try to find a thread-safe version of ttyname().
 225 AC_REPLACE_FUNCS(ttyname_r)
 226 if test "$ac_cv_func_ttyname_r" != yes; then
 227   AC_MSG_WARN([
 228 ***
 229 *** ttyname() is not thread-safe and ttyname_r() does not exist
 230 ***])
 231 fi
 232
 233 # Try to find a thread-safe version of getenv().
 234 have_thread_safe_getenv=no
 235 jm_GLIBC21
 236 if test $GLIBC21 = yes; then
 237   have_thread_safe_getenv=yes
 238 fi
 239 if test $have_thread_safe_getenv = yes; then
 240   AC_DEFINE(HAVE_THREAD_SAFE_GETENV, [1], [Define if getenv() is thread-safe])
 241 fi
 242 have_getenv_r=no
 243 AC_CHECK_FUNCS(getenv_r, have_getenv_r=yes)
 244 if test $have_getenv_r = no && test $have_thread_safe_getenv = no; then
 245   AC_MSG_WARN([
 246 ***
 247 *** getenv() is not thread-safe and getenv_r() does not exist
 248 ***])
 249 fi
 250
 251 # For converting time strings to seconds since Epoch, we need the timegm
 252 # function.
 253 AC_CHECK_FUNCS(timegm)
 254 if test "$ac_cv_func_timegm" != yes; then
 255   AC_MSG_WARN([
 256 ***
 257 *** timegm() not available - a non-thread-safe kludge will be used
 258 *** and the TZ variable might be changed at runtime.
 259 ***])
 260 fi
 261
 262 # Checking for libgpg-error.
 263 AM_PATH_GPG_ERROR(1.4,, AC_MSG_ERROR([libgpg-error was not found]))
 264 AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
 265           [The default error source for GPGME.])
 266
 267
 268
 269 # Checks for system services
 270 NEED_GPG_VERSION_DEFAULT=1.3.0
 271 NEED_GPGSM_VERSION_DEFAULT=1.9.6
 272 NEED_GPGCONF_VERSION_DEFAULT=2.0.4
 273 NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
 274 NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
 275 NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
 276 AC_ARG_WITH(gpg-version,
 277             AC_HELP_STRING([--with-gpg-version=VER], [require GnuPG version VER]),
 278             NEED_GPG_VERSION=$withval)
 279 if test "$NEED_GPG_VERSION" = "yes"; then
 280   NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
 281 fi
 282 if test "$NEED_GPG_VERSION" = "no"; then
 283   NEED_GPG_VERSION=0.0.0
 284 fi
 285 AC_ARG_WITH(gpgsm-version,
 286             AC_HELP_STRING([--with-gpgsm-version=VER], [require GPGSM version VER]),
 287             NEED_GPGSM_VERSION=$withval)
 288 if test "$NEED_GPGSM_VERSION" = "yes"; then
 289   NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
 290 fi
 291 if test "$NEED_GPGSM_VERSION" = "no"; then
 292   NEED_GPGSM_VERSION=0.0.0
 293 fi
 294 AC_ARG_WITH(gpgconf-version,
 295             AC_HELP_STRING([--with-gpgconf-version=VER], [require GPGCONF version VER]),
 296             NEED_GPGCONF_VERSION=$withval)
 297 if test "$NEED_GPGCONF_VERSION" = "yes"; then
 298   NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
 299 fi
 300 if test "$NEED_GPGCONF_VERSION" = "no"; then
 301   NEED_GPGCONF_VERSION=0.0.0
 302 fi
 303
 304 AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
 305                                      [Min. needed GnuPG version.])
 306 AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
 307                                        [Min. needed GPGSM version.])
 308 AC_DEFINE_UNQUOTED(NEED_GPGCONF_VERSION, "$NEED_GPGCONF_VERSION",
 309                                          [Min. needed GPGCONF version.])
 310
 311
 312 NO_OVERRIDE=no
 313 AC_ARG_WITH(gpg,
 314             AC_HELP_STRING([--with-gpg=PATH], [use GnuPG binary at PATH]),
 315             GPG=$withval, NO_OVERRIDE=yes)
 316 if test "$NO_OVERRIDE" = "yes" || test "$GPG" = "yes"; then
 317   GPG=
 318   NO_OVERRIDE=yes
 319   if test "$cross_compiling" != "yes"; then
 320     AC_PATH_PROG(GPG, gpg)
 321   fi
 322   if test -z "$GPG"; then
 323     GPG="$GPG_DEFAULT"
 324   fi
 325 fi
 326 if test "$GPG" = no; then
 327   if test "$NO_OVERRIDE" = "yes"; then
 328     if test "$cross_compiling" != "yes"; then
 329       AC_MSG_WARN([
 330 ***
 331 *** Could not find GnuPG, install GnuPG or use --with-gpg=PATH to enable it
 332 ***])
 333     else
 334       AC_MSG_ERROR([
 335 ***
 336 *** Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH
 337 ***])
 338     fi
 339   fi
 340 else
 341   AC_DEFINE_UNQUOTED(GPG_PATH, "$GPG", [Path to the GnuPG binary.])
 342   AC_SUBST(GPG)
 343 fi
 344 dnl Check for GnuPG version requirement.
 345 GPG_VERSION=unknown
 346 ok=maybe
 347 if test -z "$GPG" -o "x$GPG" = "xno"; then
 348   ok=no
 349 else
 350   if test "$cross_compiling" = "yes"; then
 351     AC_MSG_WARN([GnuPG version can not be checked when cross compiling])
 352     ok=no
 353   else
 354     if test ! -x "$GPG"; then
 355       AC_MSG_WARN([GnuPG not executable, version check disabled])
 356       ok=no
 357     fi
 358   fi
 359 fi
 360 if test "$ok" = "maybe"; then
 361   AC_MSG_CHECKING(for GPG >= $NEED_GPG_VERSION)
 362   req_major=`echo $NEED_GPG_VERSION | \
 363              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 364   req_minor=`echo $NEED_GPG_VERSION | \
 365              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 366   req_micro=`echo $NEED_GPG_VERSION | \
 367              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 368   GPG_VERSION=`$GPG --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 369   major=`echo $GPG_VERSION | \
 370          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 371   minor=`echo $GPG_VERSION | \
 372          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 373   micro=`echo $GPG_VERSION | \
 374          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 375
 376   if test "$major" -gt "$req_major"; then
 377     ok=yes
 378   else
 379     if test "$major" -eq "$req_major"; then
 380       if test "$minor" -gt "$req_minor"; then
 381         ok=yes
 382       else
 383         if test "$minor" -eq "$req_minor"; then
 384           if test "$micro" -ge "$req_micro"; then
 385             ok=yes
 386           fi
 387         fi
 388       fi
 389     fi
 390   fi
 391   if test "$ok" = "yes"; then
 392     AC_MSG_RESULT(yes)
 393   else
 394     AC_MSG_RESULT(no)
 395     AC_MSG_WARN([GPG must be at least version $NEED_GPG_VERSION])
 396   fi
 397 fi
 398 run_gpg_test="$ok"
 399 AC_ARG_ENABLE(gpg-test,
 400   AC_HELP_STRING([--disable-gpg-test], [disable GPG run test]),
 401          run_gpg_test=$enableval)
 402 AM_CONDITIONAL(RUN_GPG_TESTS, test "$run_gpg_test" = "yes")
 403 AC_SUBST(GPG_PATH)
 404
 405 NO_OVERRIDE=no
 406 AC_ARG_WITH(gpgsm,
 407             AC_HELP_STRING([--with-gpgsm=PATH], [use GpgSM binary at PATH]),
 408             GPGSM=$withval, NO_OVERRIDE=yes)
 409 if test "$NO_OVERRIDE" = "yes" || test "$GPGSM" = "yes"; then
 410   GPGSM=
 411   NO_OVERRIDE=yes
 412   if test "$cross_compiling" != "yes"; then
 413     AC_PATH_PROG(GPGSM, gpgsm)
 414   fi
 415   if test -z "$GPGSM"; then
 416     GPGSM="$GPGSM_DEFAULT"
 417   fi
 418 fi
 419 if test "$GPGSM" = no; then
 420   if test "$NO_OVERRIDE" = "yes"; then
 421     if test "$cross_compiling" != "yes"; then
 422       AC_MSG_WARN([
 423 ***
 424 *** Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it
 425 ***])
 426     else
 427       AC_MSG_ERROR([
 428 ***
 429 *** Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH
 430 ***])
 431     fi
 432   fi
 433 else
 434   AC_DEFINE_UNQUOTED(GPGSM_PATH, "$GPGSM", [Path to the GPGSM binary.])
 435   AC_DEFINE(ENABLE_GPGSM,1,[Whether GPGSM support is enabled])
 436 fi
 437 AM_CONDITIONAL(HAVE_GPGSM, test "$GPGSM" != "no")
 438
 439
 440 dnl Check for GPGSM version requirement.
 441 GPGSM_VERSION=unknown
 442 ok=maybe
 443 if test -z "$GPGSM" -o "x$GPGSM" = "xno"; then
 444   ok=no
 445 else
 446   if test "$cross_compiling" = "yes"; then
 447     AC_MSG_WARN([GPGSM version can not be checked when cross compiling])
 448     ok=no
 449   else
 450     if test ! -x "$GPGSM"; then
 451       AC_MSG_WARN([GPGSM not executable, version check disabled])
 452       ok=no
 453     fi
 454   fi
 455 fi
 456 if test "$ok" = "maybe"; then
 457   AC_MSG_CHECKING(for GPGSM >= $NEED_GPGSM_VERSION)
 458   req_major=`echo $NEED_GPGSM_VERSION | \
 459              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 460   req_minor=`echo $NEED_GPGSM_VERSION | \
 461              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 462   req_micro=`echo $NEED_GPGSM_VERSION | \
 463              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 464   GPGSM_VERSION=`$GPGSM --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 465   major=`echo $GPGSM_VERSION | \
 466          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 467   minor=`echo $GPGSM_VERSION | \
 468          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 469   micro=`echo $GPGSM_VERSION | \
 470          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 471
 472   if test "$major" -gt "$req_major"; then
 473     ok=yes
 474   else
 475     if test "$major" -eq "$req_major"; then
 476       if test "$minor" -gt "$req_minor"; then
 477         ok=yes
 478       else
 479         if test "$minor" -eq "$req_minor"; then
 480           if test "$micro" -ge "$req_micro"; then
 481             ok=yes
 482           fi
 483         fi
 484       fi
 485     fi
 486   fi
 487   if test "$ok" = "yes"; then
 488     AC_MSG_RESULT(yes)
 489   else
 490     AC_MSG_RESULT(no)
 491     AC_MSG_WARN([GPGSM must be at least version $NEED_GPGSM_VERSION])
 492   fi
 493 fi
 494 run_gpgsm_test="$ok"
 495 AC_ARG_ENABLE(gpgsm-test,
 496   AC_HELP_STRING([--disable-gpgsm-test], [disable GPGSM run test]),
 497          run_gpgsm_test=$enableval)
 498 AM_CONDITIONAL(RUN_GPGSM_TESTS, test "$run_gpgsm_test" = "yes")
 499
 500
 501 NO_OVERRIDE=no
 502 AC_ARG_WITH(gpgconf,
 503             AC_HELP_STRING([--with-gpgconf=PATH],
 504                            [use gpgconf binary at PATH]),
 505             GPGCONF=$withval, NO_OVERRIDE=yes)
 506 if test "$NO_OVERRIDE" = "yes" || test "$GPGCONF" = "yes"; then
 507   GPGCONF=
 508   NO_OVERRIDE=yes
 509   if test "$cross_compiling" != "yes"; then
 510     AC_PATH_PROG(GPGCONF, gpgconf)
 511   fi
 512   if test -z "$GPGCONF"; then
 513     GPGCONF="$GPGCONF_DEFAULT"
 514   fi
 515 fi
 516 if test "$GPGCONF" = no; then
 517   if test "$NO_OVERRIDE" = "yes"; then
 518     if test "$cross_compiling" != "yes"; then
 519       AC_MSG_WARN([
 520 ***
 521 *** Could not find gpgconf, install gpgconf or use --with-gpgconf=PATH to enable it
 522 ***])
 523     else
 524       AC_MSG_ERROR([
 525 ***
 526 *** Can not determine path to gpgconf when cross-compiling, use --with-gpgconf=PATH
 527 ***])
 528     fi
 529   fi
 530 else
 531   AC_DEFINE_UNQUOTED(GPGCONF_PATH, "$GPGCONF", [Path to the GPGCONF binary.])
 532   AC_DEFINE(ENABLE_GPGCONF,1,[Whether GPGCONF support is enabled])
 533 fi
 534 AM_CONDITIONAL(HAVE_GPGCONF, test "$GPGCONF" != "no")
 535
 536 dnl Check for GPGCONF version requirement.
 537 GPGCONF_VERSION=unknown
 538 ok=maybe
 539 if test -z "$GPGCONF" -o "x$GPGCONF" = "xno"; then
 540   ok=no
 541 else
 542   if test "$cross_compiling" = "yes"; then
 543     AC_MSG_WARN([GPGCONF version can not be checked when cross compiling])
 544     ok=no
 545   else
 546     if test ! -x "$GPGCONF"; then
 547       AC_MSG_WARN([GPGCONF not executable, version check disabled])
 548       ok=no
 549     fi
 550   fi
 551 fi
 552 if test "$ok" = "maybe"; then
 553   AC_MSG_CHECKING(for GPGCONF >= $NEED_GPGCONF_VERSION)
 554   req_major=`echo $NEED_GPGCONF_VERSION | \
 555              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
 556   req_minor=`echo $NEED_GPGCONF_VERSION | \
 557              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
 558   req_micro=`echo $NEED_GPGCONF_VERSION | \
 559              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
 560   GPGCONF_VERSION=`$GPGCONF --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
 561   major=`echo $GPGCONF_VERSION | \
 562          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
 563   minor=`echo $GPGCONF_VERSION | \
 564          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
 565   micro=`echo $GPGCONF_VERSION | \
 566          sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 567
 568   if test "$major" -gt "$req_major"; then
 569     ok=yes
 570   else
 571     if test "$major" -eq "$req_major"; then
 572       if test "$minor" -gt "$req_minor"; then
 573         ok=yes
 574       else
 575         if test "$minor" -eq "$req_minor"; then
 576           if test "$micro" -ge "$req_micro"; then
 577             ok=yes
 578           fi
 579         fi
 580       fi
 581     fi
 582   fi
 583   if test "$ok" = "yes"; then
 584     AC_MSG_RESULT(yes)
 585   else
 586     AC_MSG_RESULT(no)
 587     AC_MSG_WARN([GPGCONF must be at least version $NEED_GPGCONF_VERSION])
 588   fi
 589 fi
 590 run_gpgconf_test="$ok"
 591 AC_ARG_ENABLE(gpgconf-test,
 592   AC_HELP_STRING([--disable-gpgconf-test], [disable GPGCONF run test]),
 593          run_gpgconf_test=$enableval)
 594 AM_CONDITIONAL(RUN_GPGCONF_TESTS, test "$run_gpgconf_test" = "yes")
 595
 596 # Only build if supported.
 597 AM_CONDITIONAL(BUILD_GPGCONF, test "$GPGCONF" != "no")
 598 if test "$GPGCONF" != "no"; then
 599   AC_DEFINE(HAVE_GPGCONF, 1,
 600             [Defined if we are building with gpgconf support.])
 601 fi
 602
 603
 604 # FIXME: Only build if supported.
 605 AM_CONDITIONAL(BUILD_ASSUAN, test "$GPGSM" != "no")
 606 if test "$GPGSM" != "no"; then
 607   AC_DEFINE(HAVE_ASSUAN_H, 1,
 608             [Defined if we are building with assuan support.])
 609 fi
 610
 611 # Check for funopen
 612 AC_CHECK_FUNCS(funopen)
 613 if test $ac_cv_func_funopen != yes; then
 614     # No funopen but we can implement that in terms of fopencookie.
 615     AC_CHECK_FUNCS(fopencookie)
 616     if test $ac_cv_func_fopencookie = yes; then
 617         AC_REPLACE_FUNCS(funopen)
 618     else
 619         AC_MSG_WARN([
 620 ***
 621 *** No implementation of fopencookie or funopen available
 622 ***])
 623     fi
 624 fi
 625
 626 # More assuan replacement functions.
 627 AC_REPLACE_FUNCS(isascii)
 628 AC_REPLACE_FUNCS(putc_unlocked)
 629 AC_REPLACE_FUNCS(memrchr)
 630 AC_REPLACE_FUNCS(stpcpy)
 631 # Check for unistd.h for setenv replacement function.
 632 AC_CHECK_HEADERS(unistd.h)
 633 AC_REPLACE_FUNCS(setenv)
 634
 635 # More assuan checks.
 636 AC_CHECK_HEADERS([sys/uio.h])
 637
 638 # Assuan check for descriptor passing.
 639 AC_CHECK_MEMBER(struct cmsghdr.cmsg_len,
 640                 [supports_descriptor_passing=yes],
 641                 [supports_descriptor_passing=no
 642                  AC_MSG_WARN([
 643 ***
 644 *** Data structure for sending ancillary data missing.
 645 *** Descriptor passing won't work.
 646 ***])],[
 647 #include <stdlib.h>
 648 #include <stddef.h>
 649 #include <stdio.h>
 650 #include <sys/types.h>
 651 #include <sys/socket.h>
 652 #include <sys/un.h>
 653 #if HAVE_SYS_UIO_H
 654 #include <sys/uio.h>
 655 #endif
 656 #include <unistd.h>
 657        ])
 658
 659 AC_ARG_ENABLE(fd-passing,
 660   AC_HELP_STRING([--enable-fd-passing], [use FD passing if supported]),
 661   use_descriptor_passing=$enableval)
 662
 663 if test "$supports_descriptor_passing" != "yes"; then
 664   use_descriptor_passing=no
 665 fi
 666
 667 if test "$use_descriptor_passing" = "yes"; then
 668 AC_DEFINE(USE_DESCRIPTOR_PASSING,1,
 669           [Defined if descriptor passing is enabled and supported])
 670 fi
 671
 672 AM_CONDITIONAL(USE_DESCRIPTOR_PASSING, test "$use_descriptor_passing" = "yes")
 673
 674 # Assuan check for the getsockopt SO_PEERCRED
 675 AC_MSG_CHECKING(for SO_PEERCRED)
 676 AC_CACHE_VAL(assuan_cv_sys_so_peercred,
 677       [AC_TRY_COMPILE([#include <sys/socket.h>],
 678          [struct ucred cr;
 679           int cl = sizeof cr;
 680           getsockopt (1, SOL_SOCKET, SO_PEERCRED, &cr, &cl);],
 681           assuan_cv_sys_so_peercred=yes,
 682           assuan_cv_sys_so_peercred=no)
 683        ])
 684 AC_MSG_RESULT($assuan_cv_sys_so_peercred)
 685 if test $assuan_cv_sys_so_peercred = yes; then
 686   AC_DEFINE(HAVE_SO_PEERCRED, 1,
 687             [Defined if SO_PEERCRED is supported (Linux specific)])
 688 fi
 689
 690 if test "$have_w32_system" = yes; then
 691    NETLIBS="-lws2_32 $NETLIBS"
 692 fi
 693
 694 # End of assuan checks.
 695
 696 AM_CONDITIONAL(BUILD_COMPLUS, test "$component_system" = "COM+")
 697
 698 # Generate values for the DLL version info
 699 if test "$have_w32_system" = yes; then
 700     BUILD_TIMESTAMP=`date --iso-8601=minutes`
 701     changequote(,)dnl
 702     BUILD_FILEVERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./;s/\./,/g'`
 703     changequote([,])dnl
 704     BUILD_FILEVERSION="${BUILD_FILEVERSION}${BUILD_REVISION}"
 705 fi
 706 AC_SUBST(BUILD_REVISION)
 707 AC_SUBST(BUILD_TIMESTAMP)
 708 AC_SUBST(BUILD_FILEVERSION)
 709
 710 # Add a few constants to help porting to W32
 711 AH_VERBATIM([SEPCONSTANTS],
 712 [
 713 /* Separators as used in $PATH.  */
 714 #ifdef HAVE_DOSISH_SYSTEM
 715 #define PATHSEP_C ';'
 716 #else
 717 #define PATHSEP_C ':'
 718 #endif
 719 ])
 720
 721 AH_BOTTOM([
 722 /* Definition of GCC specific attributes.  */
 723 #if __GNUC__ > 2
 724 # define GPGME_GCC_A_PURE  __attribute__ ((__pure__))
 725 #else
 726 # define GPGME_GCC_A_PURE
 727 #endif
 728 ])
 729
 730
 731 # Substitution used for gpgme-config
 732 GPGME_CONFIG_LIBS="-lgpgme"
 733 GPGME_CONFIG_CFLAGS=""
 734 AC_SUBST(GPGME_CONFIG_API_VERSION)
 735 AC_SUBST(GPGME_CONFIG_LIBS)
 736 AC_SUBST(GPGME_CONFIG_CFLAGS)
 737
 738 # Frob'da Variables
 739 LTLIBOBJS=`echo "$LIB@&t@OBJS" |
 740            sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`
 741 AC_SUBST(LTLIBOBJS)
 742
 743 #
 744 # Create config files
 745
 746 AC_CONFIG_FILES(Makefile assuan/Makefile src/Makefile
 747                 tests/Makefile
 748                 tests/gpg/Makefile
 749                 tests/gpgsm/Makefile
 750                 tests/opassuan/Makefile
 751                 doc/Makefile complus/Makefile
 752                 src/versioninfo.rc
 753                 src/gpgme.h)
 754 AC_CONFIG_FILES(src/gpgme-config, chmod +x src/gpgme-config)
 755 AC_CONFIG_FILES([lang/Makefile lang/cl/Makefile lang/cl/gpgme.asd])
 756 AC_OUTPUT
 757
 758 echo "
 759         GPGME v${VERSION} has been configured as follows:
 760
 761         GnuPG path:      $GPG
 762         GnuPG version:   $GPG_VERSION, min. $NEED_GPG_VERSION
 763
 764         GpgSM path:      $GPGSM
 765         GpgSM version:   $GPGSM_VERSION, min. $NEED_GPGSM_VERSION
 766
 767         GpgConf path:    $GPGCONF
 768         GpgConf version: $GPGCONF_VERSION, min. $NEED_GPGCONF_VERSION
 769
 770         GPGME Pthread:   $have_pthread
 771         GPGME Pth:       $have_pth
 772 "