First take on the low-level assuan interface.
[gpgme.git] / configure.ac
index 1723afb..5d49c08 100644 (file)
@@ -1,56 +1,77 @@
-# configure.in for GPGME
+# configure.ac for GPGME
 # Copyright (C) 2000 Werner Koch (dd9jn)
-# Copyright (C) 2001, 2002, 2003 g10 Code GmbH
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 g10 Code GmbH
 # 
 # This file is part of GPGME.
 # 
-# GPGME is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
+# GPGME is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2.1 of the
+# License, or (at your option) any later version.
 # 
-# GPGME is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
+# GPGME is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
+# Public License for more details.
 # 
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  
 # (Process this file with autoconf to produce a configure script.)
+AC_PREREQ(2.59)
+min_automake_version="1.10"
 
 # Version number: Remember to change it immediately *after* a release.
-AC_INIT(gpgme, 0.4.3, [bug-gpgme@gnupg.org])
+#                 Make sure to run  "svn up" and "./autogen.sh --force"
+#                  before a "make dist".  See below for the LT versions.
+#
+# The SVN version is usually the next intended release version with
+# the string "-svnNNN" appended.  The reason for this is that tests for a
+# specific feature can already be done under the assumption that the
+# SVN version is the most recent one in a branch.  To disable the SVN
+# version for the real release, set the my_issvn macro to no.
+m4_define(my_version, [1.1.9])
+m4_define(my_issvn, [yes])
+
+m4_define([svn_revision], m4_esyscmd([echo -n $( (svn info 2>/dev/null \
+            || echo 'Revision: 0')|sed -n '/^Revision:/ {s/[^0-9]//gp;q;}')]))
+AC_INIT([gpgme], 
+        [my_version[]m4_if(my_issvn,[yes],[-svn[]svn_revision])],
+        [bug-gpgme@gnupg.org])
+
+
 # LT Version numbers, remember to change them just *before* a release.
 #   (Code changed:                     REVISION++)
 #   (Interfaces added/removed/changed: CURRENT++, REVISION=0)
 #   (Interfaces added:                 AGE++)
-#   (Interfaces removed:               AGE=0)
+#   (Interfaces removed/changed:       AGE=0)
 #
-LIBGPGME_LT_CURRENT=12
-LIBGPGME_LT_AGE=1
-LIBGPGME_LT_REVISION=0
-NEED_GPG_VERSION=1.2.2
-NEED_GPGSM_VERSION=0.9.0
+LIBGPGME_LT_CURRENT=17
+# Subtract 2 from this value if you want to make the LFS transition an
+# ABI break.  [Note to self: Remove this comment with the next regular break.]
+LIBGPGME_LT_AGE=6
+LIBGPGME_LT_REVISION=6
+
+# If the API is changed in an incompatible way: increment the next counter.
+GPGME_CONFIG_API_VERSION=1
 ##############################################
-AC_PREREQ(2.52)
-AC_REVISION($Revision$)
 
+
+BUILD_REVISION=svn_revision
 PACKAGE=$PACKAGE_NAME
 VERSION=$PACKAGE_VERSION
 
-AC_CONFIG_SRCDIR(gpgme/gpgme.h)
+AC_CONFIG_SRCDIR(src/gpgme.h.in)
+dnl FIXME: Enable this with autoconf 2.59.
+dnl AC_CONFIG_MACRO_DIR(m4)
 AM_CONFIG_HEADER(config.h)
 AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
 AM_MAINTAINER_MODE
 AC_CANONICAL_HOST
 
-AH_VERBATIM([_GNU_SOURCE],
-[/* Enable GNU extensions on systems that have them.  */
-#ifndef _GNU_SOURCE
-# define _GNU_SOURCE
-#endif])
+# Enable GNU extensions on systems that have them.
+AC_GNU_SOURCE
 
 AH_VERBATIM([_REENTRANT],
 [/* To allow the use of GPGME in multithreaded programs we have to use
@@ -61,17 +82,12 @@ AH_VERBATIM([_REENTRANT],
 # define _REENTRANT 1
 #endif])
 
-
 AC_PROG_CC
-
+AC_PROG_CXX
 
 AC_SUBST(LIBGPGME_LT_CURRENT)
 AC_SUBST(LIBGPGME_LT_AGE)
 AC_SUBST(LIBGPGME_LT_REVISION)
-AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
-                                    [Min. needed GnuPG version.])
-AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
-                                      [Min. needed GPGSM version.])
 
 AC_SUBST(PACKAGE)
 AC_SUBST(VERSION)
@@ -80,6 +96,8 @@ AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
 
 # Don't default to build static libs.
 AC_DISABLE_STATIC
+AC_LIBTOOL_WIN32_DLL
+AC_LIBTOOL_RC
 AC_PROG_LIBTOOL
 
 # For now we hardcode the use of version scripts.  It would be better
@@ -92,33 +110,52 @@ case "${host}" in
     *-*-gnu*)
        have_ld_version_script=yes
         ;;
+    *-apple-darwin*)
+        AC_DEFINE(_XOPEN_SOURCE, 500, Activate POSIX interface on MacOS X)
+        ;;
 esac
+
 AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 
 GPG_DEFAULT=no
 GPGSM_DEFAULT=no
+GPGCONF_DEFAULT=no
 component_system=None
+have_dosish_system=no
+have_w32_system=no
+build_w32_glib=no
+build_w32_qt=no
 case "${host}" in
-    *-*-mingw32* | i?86-emx-os2 | i?86-*-os2*emx | i?86-*-msdosdjgpp* )
+    *-mingw32*)
         # special stuff for Windoze NT
-        # OS/2 with the EMX environment
-        # DOS with the DJGPP environment
-        AC_DEFINE(HAVE_DRIVE_LETTERS, ,
-                 [Defined if we run on some of the PCDOS like systems (DOS,
-                  Windoze, OS/2) with special properties like no file modes.])
-        AC_DEFINE(HAVE_DOSISH_SYSTEM, ,
-                 [Defined if the filesystem uses driver letters.])
        have_dosish_system=yes
+        have_w32_system=yes
         GPG_DEFAULT='c:\\gnupg\\gpg.exe'
-       # XXX Assuan is not supported in this configuration.
-       #GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
+       GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
+        GPGCONF_DEFAULT='c:\\gnupg\\gpgconf.exe'
         #component_system='COM+'
+
+       AM_PATH_GLIB_2_0
+       AC_ARG_ENABLE(w32-glib,
+           AC_HELP_STRING([--enable-w32-glib], [build GPGME Glib for W32]),
+                          build_w32_glib=$enableval)
+
+       # Check disabled, because the qt-dev packages in gpg4win do
+       # not provide any support for cross compilation.
+       # PKG_CHECK_MODULES(QT4_CORE, QtCore)
+
+       # Use it like this:
+       # ./configure --enable-w32-qt QT4_CORE_CFLAGS="..." QT4_CORE_LIBS="..."
+       AC_SUBST(QT4_CORE_CFLAGS)
+       AC_SUBST(QT4_CORE_LIBS)
+       AC_ARG_ENABLE(w32-qt,
+           AC_HELP_STRING([--enable-w32-qt], [build GPGME Qt for W32]),
+                          build_w32_qt=$enableval)
         ;;
     *)
        AC_CHECK_PTH(1.2.0,,,no,have_pth=yes)
        if test "$have_pth" = yes; then
          AC_DEFINE(HAVE_PTH, ,[Define if we have Pth.])
-         CFLAGS="$CFLAGS $PTH_CFLAGS"
        fi
        AC_CHECK_LIB(pthread,pthread_create,have_pthread=yes)
        if test "$have_pthread" = yes; then
@@ -128,9 +165,25 @@ case "${host}" in
        # XXX: Probably use exec-prefix here?
 #      GPG_DEFAULT='/usr/bin/gpg'
 #      GPGSM_DEFAULT='/usr/bin/gpgsm'
+#      GPGCONF_DEFAULT='/usr/bin/gpgconf'
        ;;
 esac
-AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = "yes")
+
+if test "$have_dosish_system" = yes; then
+   AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
+             [Defined if we run on some of the PCDOS like systems 
+              (DOS, Windoze. OS/2) with special properties like
+              no file modes])
+fi
+AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes)
+
+if test "$have_w32_system" = yes; then
+   AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on a W32 API based system])
+fi
+AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes)
+AM_CONDITIONAL(BUILD_W32_GLIB, test "$build_w32_glib" = yes)
+AM_CONDITIONAL(BUILD_W32_QT, test "$build_w32_qt" = yes)
+
 AM_CONDITIONAL(HAVE_PTH, test "$have_pth" = "yes")
 AM_CONDITIONAL(HAVE_PTHREAD, test "$have_pthread" = "yes")
 
@@ -140,23 +193,43 @@ AC_CHECK_HEADERS(sys/select.h)
 
 
 # Type checks.
+AC_C_INLINE
 AC_CHECK_SIZEOF(unsigned int)
-
+AC_SYS_LARGEFILE
+AC_TYPE_OFF_T
 
 # Checks for compiler features.
 if test "$GCC" = yes; then
     CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+    if test "$have_w32_system" = yes; then
+       CFLAGS="$CFLAGS -mms-bitfields"
+    fi
 fi
 
+# Network library fun.
+AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname,
+       [NETLIBS="-lnsl $NETLIBS"]))
+AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
+       [NETLIBS="-lsocket $NETLIBS"]))
+AC_SUBST(NETLIBS)
 
 # Checks for library functions.
-AC_REPLACE_FUNCS(stpcpy)
+AC_FUNC_FSEEKO
 
 AC_REPLACE_FUNCS(vasprintf)
 if test "$ac_cv_func_vasprintf" != yes; then
   GNUPG_CHECK_VA_COPY
 fi
 
+# Try to find a thread-safe version of ttyname().
+AC_REPLACE_FUNCS(ttyname_r)
+if test "$ac_cv_func_ttyname_r" != yes; then
+  AC_MSG_WARN([
+***
+*** ttyname() is not thread-safe and ttyname_r() does not exist
+***])
+fi
+
 # Try to find a thread-safe version of getenv().
 have_thread_safe_getenv=no
 jm_GLIBC21
@@ -169,17 +242,73 @@ fi
 have_getenv_r=no
 AC_CHECK_FUNCS(getenv_r, have_getenv_r=yes)
 if test $have_getenv_r = no && test $have_thread_safe_getenv = no; then
-  AC_MSG_WARN([getenv() is not thread-safe and getenv_r() does not exist])
+  AC_MSG_WARN([
+***
+*** getenv() is not thread-safe and getenv_r() does not exist
+***])
+fi
+
+# For converting time strings to seconds since Epoch, we need the timegm
+# function.
+AC_CHECK_FUNCS(timegm)
+if test "$ac_cv_func_timegm" != yes; then
+  AC_MSG_WARN([
+***
+*** timegm() not available - a non-thread-safe kludge will be used
+*** and the TZ variable might be changed at runtime.
+***])
 fi
 
 # Checking for libgpg-error.
-AM_PATH_GPG_ERROR(0.5,, AC_MSG_ERROR([libgpg-error was not found]))
+AM_PATH_GPG_ERROR(1.4,, AC_MSG_ERROR([libgpg-error was not found]))
 AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
           [The default error source for GPGME.])
 
 
 
 # Checks for system services
+NEED_GPG_VERSION_DEFAULT=1.3.0
+NEED_GPGSM_VERSION_DEFAULT=1.9.6
+NEED_GPGCONF_VERSION_DEFAULT=2.0.4
+NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
+NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
+NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
+AC_ARG_WITH(gpg-version,
+           AC_HELP_STRING([--with-gpg-version=VER], [require GnuPG version VER]),
+           NEED_GPG_VERSION=$withval)
+if test "$NEED_GPG_VERSION" = "yes"; then
+  NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
+fi
+if test "$NEED_GPG_VERSION" = "no"; then
+  NEED_GPG_VERSION=0.0.0
+fi
+AC_ARG_WITH(gpgsm-version,
+           AC_HELP_STRING([--with-gpgsm-version=VER], [require GPGSM version VER]),
+           NEED_GPGSM_VERSION=$withval)
+if test "$NEED_GPGSM_VERSION" = "yes"; then
+  NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
+fi
+if test "$NEED_GPGSM_VERSION" = "no"; then
+  NEED_GPGSM_VERSION=0.0.0
+fi
+AC_ARG_WITH(gpgconf-version,
+           AC_HELP_STRING([--with-gpgconf-version=VER], [require GPGCONF version VER]),
+           NEED_GPGCONF_VERSION=$withval)
+if test "$NEED_GPGCONF_VERSION" = "yes"; then
+  NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
+fi
+if test "$NEED_GPGCONF_VERSION" = "no"; then
+  NEED_GPGCONF_VERSION=0.0.0
+fi
+
+AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
+                                    [Min. needed GnuPG version.])
+AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
+                                      [Min. needed GPGSM version.])
+AC_DEFINE_UNQUOTED(NEED_GPGCONF_VERSION, "$NEED_GPGCONF_VERSION",
+                                        [Min. needed GPGCONF version.])
+
+
 NO_OVERRIDE=no
 AC_ARG_WITH(gpg,
            AC_HELP_STRING([--with-gpg=PATH], [use GnuPG binary at PATH]),
@@ -197,17 +326,80 @@ fi
 if test "$GPG" = no; then
   if test "$NO_OVERRIDE" = "yes"; then
     if test "$cross_compiling" != "yes"; then
-      AC_MSG_WARN([Could not find GnuPG, install GnuPG or use --with-gpg=PATH to enable it])
+      AC_MSG_WARN([
+***
+*** Could not find GnuPG, install GnuPG or use --with-gpg=PATH to enable it
+***])
     else
-      AC_MSG_ERROR([Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH])
+      AC_MSG_ERROR([
+***
+*** Can not determine path to GnuPG when cross-compiling, use --with-gpg=PATH
+***])
     fi
   fi
 else
   AC_DEFINE_UNQUOTED(GPG_PATH, "$GPG", [Path to the GnuPG binary.])
   AC_SUBST(GPG)
 fi
-AM_CONDITIONAL(RUN_GPG_TESTS,
-  [test "$cross_compiling" != "yes" && test -n "$GPG" && test -r "$GPG"])
+dnl Check for GnuPG version requirement.
+GPG_VERSION=unknown
+ok=maybe
+if test -z "$GPG" -o "x$GPG" = "xno"; then
+  ok=no
+else
+  if test "$cross_compiling" = "yes"; then
+    AC_MSG_WARN([GnuPG version can not be checked when cross compiling])
+    ok=no
+  else
+    if test ! -x "$GPG"; then
+      AC_MSG_WARN([GnuPG not executable, version check disabled])
+      ok=no
+    fi
+  fi
+fi
+if test "$ok" = "maybe"; then
+  AC_MSG_CHECKING(for GPG >= $NEED_GPG_VERSION)
+  req_major=`echo $NEED_GPG_VERSION | \
+             sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
+  req_minor=`echo $NEED_GPG_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
+  req_micro=`echo $NEED_GPG_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
+  GPG_VERSION=`$GPG --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
+  major=`echo $GPG_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+  minor=`echo $GPG_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
+  micro=`echo $GPG_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
+
+  if test "$major" -gt "$req_major"; then
+    ok=yes
+  else
+    if test "$major" -eq "$req_major"; then
+      if test "$minor" -gt "$req_minor"; then
+        ok=yes
+      else
+        if test "$minor" -eq "$req_minor"; then
+          if test "$micro" -ge "$req_micro"; then
+            ok=yes
+         fi
+        fi
+      fi
+    fi
+  fi
+  if test "$ok" = "yes"; then
+    AC_MSG_RESULT(yes)
+  else
+    AC_MSG_RESULT(no)
+    AC_MSG_WARN([GPG must be at least version $NEED_GPG_VERSION])
+  fi
+fi
+run_gpg_test="$ok"
+AC_ARG_ENABLE(gpg-test,
+  AC_HELP_STRING([--disable-gpg-test], [disable GPG run test]),
+         run_gpg_test=$enableval)
+AM_CONDITIONAL(RUN_GPG_TESTS, test "$run_gpg_test" = "yes")
 AC_SUBST(GPG_PATH)
 
 NO_OVERRIDE=no
@@ -227,47 +419,319 @@ fi
 if test "$GPGSM" = no; then
   if test "$NO_OVERRIDE" = "yes"; then
     if test "$cross_compiling" != "yes"; then
-      AC_MSG_WARN([Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it])
+      AC_MSG_WARN([
+***
+*** Could not find GpgSM, install GpgSM or use --with-gpgsm=PATH to enable it
+***])
     else
-      AC_MSG_ERROR([Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH])
+      AC_MSG_ERROR([
+***
+*** Can not determine path to GpgSM when cross-compiling, use --with-gpgsm=PATH
+***])
     fi
   fi
 else
   AC_DEFINE_UNQUOTED(GPGSM_PATH, "$GPGSM", [Path to the GPGSM binary.])
-  AC_SUBST(GPGSM)
+  AC_DEFINE(ENABLE_GPGSM,1,[Whether GPGSM support is enabled])
+fi
+AM_CONDITIONAL(HAVE_GPGSM, test "$GPGSM" != "no")
+
+
+dnl Check for GPGSM version requirement.
+GPGSM_VERSION=unknown
+ok=maybe
+if test -z "$GPGSM" -o "x$GPGSM" = "xno"; then
+  ok=no
+else
+  if test "$cross_compiling" = "yes"; then
+    AC_MSG_WARN([GPGSM version can not be checked when cross compiling])
+    ok=no
+  else
+    if test ! -x "$GPGSM"; then
+      AC_MSG_WARN([GPGSM not executable, version check disabled])
+      ok=no
+    fi
+  fi
+fi
+if test "$ok" = "maybe"; then
+  AC_MSG_CHECKING(for GPGSM >= $NEED_GPGSM_VERSION)
+  req_major=`echo $NEED_GPGSM_VERSION | \
+             sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
+  req_minor=`echo $NEED_GPGSM_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
+  req_micro=`echo $NEED_GPGSM_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
+  GPGSM_VERSION=`$GPGSM --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
+  major=`echo $GPGSM_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+  minor=`echo $GPGSM_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
+  micro=`echo $GPGSM_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
+
+  if test "$major" -gt "$req_major"; then
+    ok=yes
+  else
+    if test "$major" -eq "$req_major"; then
+      if test "$minor" -gt "$req_minor"; then
+        ok=yes
+      else
+        if test "$minor" -eq "$req_minor"; then
+          if test "$micro" -ge "$req_micro"; then
+            ok=yes
+         fi
+        fi
+      fi
+    fi
+  fi
+  if test "$ok" = "yes"; then
+    AC_MSG_RESULT(yes)
+  else
+    AC_MSG_RESULT(no)
+    AC_MSG_WARN([GPGSM must be at least version $NEED_GPGSM_VERSION])
+  fi
+fi
+run_gpgsm_test="$ok"
+AC_ARG_ENABLE(gpgsm-test,
+  AC_HELP_STRING([--disable-gpgsm-test], [disable GPGSM run test]),
+         run_gpgsm_test=$enableval)
+AM_CONDITIONAL(RUN_GPGSM_TESTS, test "$run_gpgsm_test" = "yes")
+
+
+NO_OVERRIDE=no
+AC_ARG_WITH(gpgconf,
+           AC_HELP_STRING([--with-gpgconf=PATH],
+                           [use gpgconf binary at PATH]),
+           GPGCONF=$withval, NO_OVERRIDE=yes)
+if test "$NO_OVERRIDE" = "yes" || test "$GPGCONF" = "yes"; then
+  GPGCONF=
+  NO_OVERRIDE=yes
+  if test "$cross_compiling" != "yes"; then
+    AC_PATH_PROG(GPGCONF, gpgconf)
+  fi
+  if test -z "$GPGCONF"; then
+    GPGCONF="$GPGCONF_DEFAULT"
+  fi
 fi
-AM_CONDITIONAL(HAVE_GPGSM, [test -n "$GPGSM" && test -r "$GPGSM"])
-AM_CONDITIONAL(RUN_GPGSM_TESTS,
-  [test "$cross_compiling" != "yes" && test -n "$GPGSM" && test -r "$GPGSM"])
+if test "$GPGCONF" = no; then
+  if test "$NO_OVERRIDE" = "yes"; then
+    if test "$cross_compiling" != "yes"; then
+      AC_MSG_WARN([
+***
+*** Could not find gpgconf, install gpgconf or use --with-gpgconf=PATH to enable it
+***])
+    else
+      AC_MSG_ERROR([
+***
+*** Can not determine path to gpgconf when cross-compiling, use --with-gpgconf=PATH
+***])
+    fi
+  fi
+else
+  AC_DEFINE_UNQUOTED(GPGCONF_PATH, "$GPGCONF", [Path to the GPGCONF binary.])
+  AC_DEFINE(ENABLE_GPGCONF,1,[Whether GPGCONF support is enabled])
+fi
+AM_CONDITIONAL(HAVE_GPGCONF, test "$GPGCONF" != "no")
+
+dnl Check for GPGCONF version requirement.
+GPGCONF_VERSION=unknown
+ok=maybe
+if test -z "$GPGCONF" -o "x$GPGCONF" = "xno"; then
+  ok=no
+else
+  if test "$cross_compiling" = "yes"; then
+    AC_MSG_WARN([GPGCONF version can not be checked when cross compiling])
+    ok=no
+  else
+    if test ! -x "$GPGCONF"; then
+      AC_MSG_WARN([GPGCONF not executable, version check disabled])
+      ok=no
+    fi
+  fi
+fi
+if test "$ok" = "maybe"; then
+  AC_MSG_CHECKING(for GPGCONF >= $NEED_GPGCONF_VERSION)
+  req_major=`echo $NEED_GPGCONF_VERSION | \
+             sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
+  req_minor=`echo $NEED_GPGCONF_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
+  req_micro=`echo $NEED_GPGCONF_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
+  GPGCONF_VERSION=`$GPGCONF --version | sed -n '1 s/[[^0-9]]*\(.*\)/\1/p'`
+  major=`echo $GPGCONF_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+  minor=`echo $GPGCONF_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
+  micro=`echo $GPGCONF_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
+
+  if test "$major" -gt "$req_major"; then
+    ok=yes
+  else
+    if test "$major" -eq "$req_major"; then
+      if test "$minor" -gt "$req_minor"; then
+        ok=yes
+      else
+        if test "$minor" -eq "$req_minor"; then
+          if test "$micro" -ge "$req_micro"; then
+            ok=yes
+         fi
+        fi
+      fi
+    fi
+  fi
+  if test "$ok" = "yes"; then
+    AC_MSG_RESULT(yes)
+  else
+    AC_MSG_RESULT(no)
+    AC_MSG_WARN([GPGCONF must be at least version $NEED_GPGCONF_VERSION])
+  fi
+fi
+run_gpgconf_test="$ok"
+AC_ARG_ENABLE(gpgconf-test,
+  AC_HELP_STRING([--disable-gpgconf-test], [disable GPGCONF run test]),
+         run_gpgconf_test=$enableval)
+AM_CONDITIONAL(RUN_GPGCONF_TESTS, test "$run_gpgconf_test" = "yes")
+
+# Only build if supported.
+AM_CONDITIONAL(BUILD_GPGCONF, test "$GPGCONF" != "no")
+if test "$GPGCONF" != "no"; then
+  AC_DEFINE(HAVE_GPGCONF, 1,
+            [Defined if we are building with gpgconf support.])
+fi
+
 
 # FIXME: Only build if supported.
 AM_CONDITIONAL(BUILD_ASSUAN, test "$GPGSM" != "no")
-
 if test "$GPGSM" != "no"; then
-  AC_CHECK_FUNCS(funopen)
-  if test $ac_cv_func_funopen != yes; then
+  AC_DEFINE(HAVE_ASSUAN_H, 1,
+            [Defined if we are building with assuan support.])
+fi
+
+# Check for funopen
+AC_CHECK_FUNCS(funopen)
+if test $ac_cv_func_funopen != yes; then
     # No funopen but we can implement that in terms of fopencookie.
-    AC_CHECK_FUNCS(fopencookie, AC_LIBOBJ(funopen),
-                   AC_MSG_ERROR([[
-No implementation of fopencookie or funopen available.
-]]))
-  fi
+    AC_CHECK_FUNCS(fopencookie)
+    if test $ac_cv_func_fopencookie = yes; then
+        AC_REPLACE_FUNCS(funopen)
+    else
+        AC_MSG_WARN([
+***
+*** No implementation of fopencookie or funopen available
+***])
+    fi
+fi
+
+# More assuan replacement functions.
+AC_REPLACE_FUNCS(isascii)
+AC_REPLACE_FUNCS(putc_unlocked)
+AC_REPLACE_FUNCS(memrchr)
+AC_REPLACE_FUNCS(stpcpy)
+# Check for unistd.h for setenv replacement function.
+AC_CHECK_HEADERS(unistd.h)
+AC_REPLACE_FUNCS(setenv)
+
+# More assuan checks.
+AC_CHECK_HEADERS([sys/uio.h])
+
+# Assuan check for descriptor passing.
+AC_CHECK_MEMBER(struct cmsghdr.cmsg_len,
+                [supports_descriptor_passing=yes],
+                [supports_descriptor_passing=no
+                 AC_MSG_WARN([
+***
+*** Data structure for sending ancillary data missing.
+*** Descriptor passing won't work.
+***])],[
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#if HAVE_SYS_UIO_H
+#include <sys/uio.h>
+#endif
+#include <unistd.h>
+       ])
+
+AC_ARG_ENABLE(fd-passing,
+  AC_HELP_STRING([--enable-fd-passing], [use FD passing if supported]),
+  use_descriptor_passing=$enableval)
+
+if test "$supports_descriptor_passing" != "yes"; then
+  use_descriptor_passing=no
+fi
+
+if test "$use_descriptor_passing" = "yes"; then
+AC_DEFINE(USE_DESCRIPTOR_PASSING,1,
+          [Defined if descriptor passing is enabled and supported])
+fi
 
-  AC_REPLACE_FUNCS(isascii)
-  AC_REPLACE_FUNCS(putc_unlocked)
-  AC_REPLACE_FUNCS(memrchr)
+AM_CONDITIONAL(USE_DESCRIPTOR_PASSING, test "$use_descriptor_passing" = "yes")
+
+# Assuan check for the getsockopt SO_PEERCRED
+AC_MSG_CHECKING(for SO_PEERCRED)
+AC_CACHE_VAL(assuan_cv_sys_so_peercred,
+      [AC_TRY_COMPILE([#include <sys/socket.h>], 
+         [struct ucred cr; 
+          int cl = sizeof cr;
+          getsockopt (1, SOL_SOCKET, SO_PEERCRED, &cr, &cl);],
+          assuan_cv_sys_so_peercred=yes,
+          assuan_cv_sys_so_peercred=no)
+       ])
+AC_MSG_RESULT($assuan_cv_sys_so_peercred) 
+if test $assuan_cv_sys_so_peercred = yes; then
+  AC_DEFINE(HAVE_SO_PEERCRED, 1,
+            [Defined if SO_PEERCRED is supported (Linux specific)])
 fi
 
+if test "$have_w32_system" = yes; then
+   NETLIBS="-lws2_32 $NETLIBS"
+fi
+
+# End of assuan checks.
 
 AM_CONDITIONAL(BUILD_COMPLUS, test "$component_system" = "COM+")
 
-# Make the version number in gpgme/gpgme.h the same as the one here.
-# (this is easier than to have a *.in file just for one substitution)
-GNUPG_FIX_HDR_VERSION(gpgme/gpgme.h, GPGME_VERSION)
+# Generate values for the DLL version info
+if test "$have_w32_system" = yes; then
+    BUILD_TIMESTAMP=`date --iso-8601=minutes`
+    changequote(,)dnl 
+    BUILD_FILEVERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./;s/\./,/g'`
+    changequote([,])dnl
+    BUILD_FILEVERSION="${BUILD_FILEVERSION}${BUILD_REVISION}"
+fi
+AC_SUBST(BUILD_REVISION)
+AC_SUBST(BUILD_TIMESTAMP)
+AC_SUBST(BUILD_FILEVERSION)
+
+# Add a few constants to help porting to W32
+AH_VERBATIM([SEPCONSTANTS],
+[
+/* Separators as used in $PATH.  */
+#ifdef HAVE_DOSISH_SYSTEM
+#define PATHSEP_C ';'
+#else
+#define PATHSEP_C ':'
+#endif
+])
+
+AH_BOTTOM([
+/* Definition of GCC specific attributes.  */
+#if __GNUC__ > 2 
+# define GPGME_GCC_A_PURE  __attribute__ ((__pure__))
+#else
+# define GPGME_GCC_A_PURE
+#endif
+])
+
 
 # Substitution used for gpgme-config 
 GPGME_CONFIG_LIBS="-lgpgme"
 GPGME_CONFIG_CFLAGS=""
+AC_SUBST(GPGME_CONFIG_API_VERSION)
 AC_SUBST(GPGME_CONFIG_LIBS)
 AC_SUBST(GPGME_CONFIG_CFLAGS)
 
@@ -279,18 +743,30 @@ AC_SUBST(LTLIBOBJS)
 #
 # Create config files 
 
-AC_CONFIG_FILES(Makefile assuan/Makefile gpgme/Makefile
-               tests/Makefile tests/gpg/Makefile tests/gpgsm/Makefile
-               doc/Makefile complus/Makefile)
-AC_CONFIG_FILES(gpgme/gpgme-config, chmod +x gpgme/gpgme-config)
+AC_CONFIG_FILES(Makefile assuan/Makefile src/Makefile
+               tests/Makefile 
+                tests/gpg/Makefile
+                tests/gpgsm/Makefile
+                tests/opassuan/Makefile
+               doc/Makefile complus/Makefile
+                src/versioninfo.rc
+                src/gpgme.h)
+AC_CONFIG_FILES(src/gpgme-config, chmod +x src/gpgme-config)
+AC_CONFIG_FILES([lang/Makefile lang/cl/Makefile lang/cl/gpgme.asd])
 AC_OUTPUT
 
 echo "
        GPGME v${VERSION} has been configured as follows:
 
-        GnuPG version: min. $NEED_GPG_VERSION
-       GnuPG path:    $GPG
+       GnuPG path:      $GPG
+        GnuPG version:   $GPG_VERSION, min. $NEED_GPG_VERSION
+
+       GpgSM path:      $GPGSM
+        GpgSM version:   $GPGSM_VERSION, min. $NEED_GPGSM_VERSION
+
+       GpgConf path:    $GPGCONF
+        GpgConf version: $GPGCONF_VERSION, min. $NEED_GPGCONF_VERSION
 
-        GpgSM version: min. $NEED_GPGSM_VERSION
-       GpgSM path:    $GPGSM
+       GPGME Pthread:   $have_pthread
+       GPGME Pth:       $have_pth
 "