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	diff --git a/NEWS b/NEWS
	index 7dc78e04c..ef64fb8bc 100644
	--- a/NEWS
	+++ b/NEWS
	@@ -1,660 +1,664 @@
	+Noteworthy changes in version 2.0.11 (unreleased)
	+-------------------------------------------------
	+
	+
	Noteworthy changes in version 2.0.10 (2009-01-12)
	-------------------------------------------------

	* [gpg] New keyserver helper gpg2keys_kdns as generic DNS CERT
	lookup. Run with --help for a short description. Requires the
	ADNS library.

	* [gpg] New mechanisms "local" and "nodefault" for --auto-key-locate.
	Fixed a few problems with this option.

	* [gpg] New command --locate-keys.

	* [gpg] New options --with-sig-list and --with-sig-check.

	* [gpg] The option "-sat" is no longer an alias for --clearsign.

	* [gpg] The option --fixed-list-mode is now implicitly used and obsolete.

	* [gpg] New control statement %ask-passphrase for the unattended key
	generation.

	* [gpg] The algorithm to compute the SIG_ID status has been changed.

	* [gpgsm] Now uses AES by default.

	* [gpgsm] Made --output option work with --export-secret-key-p12.

	* [gpg-agent] Terminate process if the own listening socket is not
	anymore served by ourself.

	* [scdaemon] Made it more robust on W32.

	* [gpg-connect-agent] Accept commands given as command line arguments.

	* [w32] Initialized the socket subsystem for all keyserver helpers.

	* [w32] The sysconf directory has been moved from a subdirectory of
	the installation directory to %CSIDL_COMMON_APPDATA%/GNU/etc/gnupg.

	* [w32] The gnupg2.nls directory is not anymore used. The standard
	locale directory is now used.

	- * [w32] Fixed a race condition bteween gpg and gpgsm in the use of
	+ * [w32] Fixed a race condition between gpg and gpgsm in the use of
	temporary file names.

	* The gpg-preset-passphrase mechanism works again. An arbitrary
	string may now be used for a custom cache ID.

	* Admin PINs are cached again (bug in 2.0.9).

	* Support for version 2 OpenPGP cards.

	* Libgcrypt 1.4 is now required.


	Noteworthy changes in version 2.0.9 (2008-03-26)
	------------------------------------------------

	* Gpgsm always tries to locate missing certificates from a running
	Dirmngr's cache.

	* Tweaks for Windows.

	* The Admin PIN for OpenPGP cards may now be entered with the pinpad.

	* Improved certificate chain construction.

	* Extended the PKITS framework.

	* Fixed a bug in the ambigious name detection.

	* Fixed possible memory corruption while importing OpenPGP keys (bug
	introduced with 2.0.8). [CVE-2008-1530]

	* Minor bug fixes.


	Noteworthy changes in version 2.0.8 (2007-12-20)
	------------------------------------------------

	* Enhanced gpg-connect-agent with a small scripting language.

	* New option --list-config for gpgconf.

	* Fixed a crash in gpgconf.

	* Gpg-agent now supports the passphrase quality bar of the latest
	Pinentry.

	* The envvars XAUTHORITY and PINENTRY_USER_DATA are now passed to the
	Pinentry.

	* Fixed the auto creation of the key stub for smartcards.

	* Fixed a rare bug in decryption using the OpenPGP card.

	* Creating DSA2 keys is now possible.

	* New option --extra-digest-algo for gpgsm to allow verification of
	broken signatures.

	* Allow encryption with legacy Elgamal sign+encrypt keys with option
	--rfc2440.

	* Windows is now a supported platform.

	* Made sure that under Windows the file permissions of the socket are
	taken into account. This required a change of our socket emulation
	code and changed the IPC protocol under Windows.


	Noteworthy changes in version 2.0.7 (2007-09-10)
	------------------------------------------------

	* Fixed encryption problem if duplicate certificates are in the
	keybox.

	* Made it work on Windows Vista. Note that the entire Windows port
	is still considered Beta.

	* Add new options min-passphrase-nonalpha, check-passphrase-pattern,
	enforce-passphrase-constraints and max-passphrase-days to
	gpg-agent.

	* Add command --check-components to gpgconf. Gpgconf now uses the
	installed versions of the programs and does not anymore search via
	PATH for them.


	Noteworthy changes in version 2.0.6 (2007-08-16)
	------------------------------------------------

	* GPGSM does now grok --default-key.

	* GPGCONF is now aware of --default-key and --encrypt-to.

	* GPGSM does again correctly print the serial number as well the the
	various keyids. This was broken since 2.0.4.

	* New option --validation-model and support for the chain-model.

	* Improved Windows support.


	Noteworthy changes in version 2.0.5 (2007-07-05)
	------------------------------------------------

	* Switched license to GPLv3.

	* Basic support for Windows. Run "./autogen.sh --build-w32" to build
	it. As usual the mingw cross compiling toolchain is required.

	* Fixed bug when using the --p12-charset without --armor.

	* The command --gen-key may now be used instead of the
	gpgsm-gencert.sh script.

	* Changed key generation to reveal less information about the
	machine. Bug fixes for gpg2's card key generation.


	Noteworthy changes in version 2.0.4 (2007-05-09)
	------------------------------------------------

	* The server mode key listing commands are now also working for
	systems without the funopen/fopencookie API.

	* PKCS#12 import now tries several encodings in case the passphrase
	was not utf-8 encoded. New option --p12-charset for gpgsm.

	* Improved the libgcrypt logging support in all modules.


	Noteworthy changes in version 2.0.3 (2007-03-08)
	------------------------------------------------

	* By default, do not allow processing multiple plaintexts in a single
	stream. Many programs that called GnuPG were assuming that GnuPG
	did not permit this, and were thus not using the plaintext boundary
	status tags that GnuPG provides. This change makes GnuPG reject
	such messages by default which makes those programs safe again.
	--allow-multiple-messages returns to the old behavior. [CVE-2007-1263].

	* New --verify-option show-primary-uid-only.

	* gpgconf may now reads a global configuration file to select which
	options are changeable by a frontend. The new applygnupgdefaults
	tool may be used by an admin to set default options for all users.

	* The PIN pad of the Cherry XX44 keyboard is now supported. The
	DINSIG and the NKS applications are now also aware of PIN pads.


	Noteworthy changes in version 2.0.2 (2007-01-31)
	------------------------------------------------

	* Fixed a serious and exploitable bug in processing encrypted
	packages. [CVE-2006-6235].

	* Added --passphrase-repeat to set the number of times GPG will
	prompt for a new passphrase to be repeated. This is useful to help
	memorize a new passphrase. The default is 1 repetition.

	* Using a PIN pad does now also work for the signing key.

	* A warning is displayed by gpg-agent if a new passphrase is too
	short. New option --min-passphrase-len defaults to 8.

	* The status code BEGIN_SIGNING now shows the used hash algorithms.


	Noteworthy changes in version 2.0.1 (2006-11-28)
	------------------------------------------------

	* Experimental support for the PIN pads of the SPR 532 and the Kaan
	Advanced card readers. Add "disable-keypad" scdaemon.conf if you
	don't want it. Does currently only work for the OpenPGP card and
	its authentication and decrypt keys.

	* Fixed build problems on some some platforms and crashes on amd64.

	* Fixed a buffer overflow in gpg2. [bug#728,CVE-2006-6169]


	Noteworthy changes in version 2.0.0 (2006-11-11)
	------------------------------------------------

	* First stable version of a GnuPG integrating OpenPGP and S/MIME.


	Noteworthy changes in version 1.9.95 (2006-11-06)
	-------------------------------------------------

	* Minor bug fixes.


	Noteworthy changes in version 1.9.94 (2006-10-24)
	-------------------------------------------------

	* Keys for gpgsm may now be specified using a keygrip. A keygrip is
	indicated by a prefixing it with an ampersand.

	* gpgconf now supports switching the CMS cipher algo (e.g. to AES).

	* New command --gpgconf-test for all major tools. This may be used to
	check whether the configuration file is sane.


	Noteworthy changes in version 1.9.93 (2006-10-18)
	-------------------------------------------------

	* In --with-validation mode gpgsm will now also ask whether a root
	certificate should be trusted.

	* Link to Pth only if really necessary.

	* Fixed a pubring corruption bug in gpg2 occurring when importing
	signatures or keys with insane lengths.

	* Fixed v3 keyID calculation bug in gpg2.

	* More tweaks for certificates without extensions.


	Noteworthy changes in version 1.9.92 (2006-10-11)
	-------------------------------------------------

	* Bug fixes.


	Noteworthy changes in version 1.9.91 (2006-10-04)
	-------------------------------------------------

	* New "relax" flag for trustlist.txt to allow root CA certificates
	without BasicContraints.

	* [gpg2] Removed the -k PGP 2 compatibility hack. -k is now an
	alias for --list-keys.

	* [gpg2] Print a warning if "-sat" is used instead of "--clearsign".


	Noteworthy changes in version 1.9.90 (2006-09-25)
	-------------------------------------------------

	* Made readline work for gpg.

	* Cleanups und minor bug fixes.

	* Included translations from gnupg 1.4.5.


	Noteworthy changes in version 1.9.23 (2006-09-18)
	-------------------------------------------------

	* Regular man pages for most tools are now build directly from the
	Texinfo source.

	* The gpg code from 1.4.5 has been fully merged into this release.
	The configure option --enable-gpg is still required to build this
	gpg part. For production use of OpenPGP the gpg version 1.4.5 is
	still recommended. Note, that gpg will be installed under the name
	gpg2 to allow coexisting with an 1.4.x gpg.

	* API change in gpg-agent's pkdecrypt command. Thus an older gpgsm
	may not be used with the current gpg-agent.

	* The scdaemon will now call a script on reader status changes.

	* gpgsm now allows file descriptor passing for "INPUT", "OUTPUT" and
	"MESSAGE".

	* The gpgsm server may now output a key listing to the output file
	handle. This needs to be enabled using "OPTION list-to-output=1".

	* The --output option of gpgsm has now an effect on list-keys.

	* New gpgsm commands --dump-chain and list-chain.

	* gpg-connect-agent has new options to utilize descriptor passing.

	* A global trustlist may now be used. See doc/examples/trustlist.txt.

	* When creating a new pubring.kbx keybox common certificates are
	imported.


	Noteworthy changes in version 1.9.22 (2006-07-27)
	-------------------------------------------------

	* Enhanced pkcs#12 support to allow import from simple keyBags.

	* Exporting to pkcs#12 now create bag attributes so that Mozilla is
	able to import the files.

	* Fixed uploading of certain keys to the smart card.


	Noteworthy changes in version 1.9.21 (2006-06-20)
	-------------------------------------------------

	* New command APDU for scdaemon to allow using it for general card
	access. Might be used through gpg-connect-agent by using the SCD
	prefix command.

	* Support for the CardMan 4040 PCMCIA reader (Linux 2.6.15 required).

	* Scdaemon does not anymore reset cards at the end of a connection.

	* Kludge to allow use of Bundesnetzagentur issued X.509 certificates.

	* Added --hash=xxx option to scdaemon's PKSIGN command.

	* Pkcs#12 files are now created with a MAC. This is for better
	interoperability.

	* Collected bug fixes and minor other changes.


	Noteworthy changes in version 1.9.20 (2005-12-20)
	-------------------------------------------------

	* Importing pkcs#12 files created be recent versions of Mozilla works
	again.

	* Basic support for qualified signatures.

	* New debug tool gpgparsemail.


	Noteworthy changes in version 1.9.19 (2005-09-12)
	-------------------------------------------------

	* The Belgian eID card is now supported for signatures and ssh.
	Other pkcs#15 cards should work as well.

	* Fixed bug in --export-secret-key-p12 so that certificates are again
	included.


	Noteworthy changes in version 1.9.18 (2005-08-01)
	-------------------------------------------------

	* [gpgsm] Now allows for more than one email address as well as URIs
	and dnsNames in certificate request generation. A keygrip may be
	given to create a request from an existing key.

	* A couple of minor bug fixes.


	Noteworthy changes in version 1.9.17 (2005-06-20)
	-------------------------------------------------

	* gpg-connect-agent has now features to handle Assuan INQUIRE
	commands.

	* Internal changes for OpenPGP cards. New Assuan command WRITEKEY.

	* GNU Pth is now a hard requirement.

	* [scdaemon] Support for OpenSC has been removed. Instead a new and
	straightforward pkcs#15 modules has been written. As of now it
	does allows only signing using TCOS cards but we are going to
	enhance it to match all the old capabilities.

	* [gpg-agent] New option --write-env-file and Assuan command
	UPDATESTARTUPTTY.

	* [gpg-agent] New option --default-cache-ttl-ssh to set the TTL for
	SSH passphrase caching independent from the other passphrases.


	Noteworthy changes in version 1.9.16 (2005-04-21)
	-------------------------------------------------

	* gpg-agent does now support the ssh-agent protocol and thus allows
	to use the pinentry as well as the OpenPGP smartcard with ssh.

	* New tool gpg-connect-agent as a general client for the gpg-agent.

	* New tool symcryptrun as a wrapper for certain encryption tools.

	* The gpg tool is not anymore build by default because those gpg
	versions available in the gnupg 1.4 series are far more matured.


	Noteworthy changes in version 1.9.15 (2005-01-13)
	-------------------------------------------------

	* Fixed passphrase caching bug.

	* Better support for CCID readers; the reader from Cherry RS 6700 USB
	does now work.


	Noteworthy changes in version 1.9.14 (2004-12-22)
	-------------------------------------------------

	* [gpg-agent] New option --use-standard-socket to allow the use of a
	fixed socket. gpgsm falls back to this socket if GPG_AGENT_INFO
	has not been set.

	* Ported to MS Windows with some functional limitations.

	* New tool gpg-preset-passphrase.


	Noteworthy changes in version 1.9.13 (2004-12-03)
	-------------------------------------------------

	* [gpgsm] New option --prefer-system-dirmngr.

	* Minor cleanups and debugging aids.


	Noteworthy changes in version 1.9.12 (2004-10-22)
	-------------------------------------------------

	* [scdaemon] Partly rewrote the PC/SC code.

	* Removed the sc-investigate tool. It is now in a separate package
	available at ftp://ftp.g10code.com/g10code/gscutils/ .

	* [gpg-agent] Fixed logging problem.


	Noteworthy changes in version 1.9.11 (2004-10-01)
	-------------------------------------------------

	* When using --import along with --with-validation, the imported
	certificates are validated and only imported if they are fully
	valid.

	* [gpg-agent] New option --max-cache-ttl.

	* [gpg-agent] When used without --daemon or --server, gpg-agent now
	check whether a agent is already running and usable.

	* Fixed some i18n problems.


	Noteworthy changes in version 1.9.10 (2004-07-22)
	-------------------------------------------------

	* Fixed a serious bug in the checking of trusted root certificates.

	* New configure option --enable-agent-pnly allows to build and
	install just the agent.

	* Fixed a problem with the log file handling.


	Noteworthy changes in version 1.9.9 (2004-06-08)
	------------------------------------------------

	* [gpg-agent] The new option --allow-mark-trusted is now required to
	allow gpg-agent to add a key to the trustlist.txt after user
	confirmation.

	* Creating PKCS#10 requests does now honor the key usage.


	Noteworthy changes in version 1.9.8 (2004-04-29)
	------------------------------------------------

	* [scdaemon] Overhauled the internal CCID driver.

	* [scdaemon] Status files named ~/.gnupg/reader_<n>.status are now
	written when using the internal CCID driver.

	* [gpgsm] New commands --dump-{,secret,external}-keys to show a very
	detailed view of the certificates.

	* The keybox gets now compressed after 3 hours and ephemeral
	stored certificates are deleted after about a day.

	* [gpg] Usability fixes for --card-edit. Note, that this has already
	been ported back to gnupg-1.3


	Noteworthy changes in version 1.9.7 (2004-04-06)
	------------------------------------------------

	* Instrumented the modules for gpgconf.

	* Added support for DINSIG card applications.

	* Include the smimeCapabilities attribute with signed messages.

	* Now uses the gettext domain "gnupg2" to avoid conflicts with gnupg
	versions < 1.9.


	Noteworthy changes in version 1.9.6 (2004-03-06)
	------------------------------------------------

	* Code cleanups and bug fixes.


	Noteworthy changes in version 1.9.5 (2004-02-21)
	------------------------------------------------

	* gpg-protect-tool gets now installed into libexec as it ought to be.
	Cleaned up the build system to better comply with the coding
	standards.

	* [gpgsm] The --import command is now able to autodetect pkcs#12
	files and import secret and private keys from this file format.
	A new command --export-secret-key-p12 is provided to allow
	exporting of secret keys in PKCS\#12 format.

	* [gpgsm] The pinentry will now present a description of the key for
	whom the passphrase is requested.

	* [gpgsm] New option --with-validation to check the validity of key
	while listing it.

	* New option --debug-level={none,basic,advanced,expert,guru} to map
	the debug flags to sensitive levels on a per program base.


	Noteworthy changes in version 1.9.4 (2004-01-30)
	------------------------------------------------

	* Added support for the Telesec NKS 2.0 card application.

	* Added simple tool addgnupghome to create .gnupg directories from
	/etc/skel/.gnupg.

	* Various minor bug fixes and cleanups; mainly gpgsm and gpg-agent
	related.


	Noteworthy changes in version 1.9.3 (2003-12-23)
	------------------------------------------------

	* New gpgsm options --{enable,disable}-ocsp to validate keys using
	OCSP. This option requires a not yet released DirMngr version.
	Default is disabled.

	* The --log-file option may now be used to print logs to a socket.
	Prefix the socket name with "socket://" to enable this. This does
	not work on all systems and falls back to stderr if there is a
	problem with the socket.

	* The options --encrypt-to and --no-encrypt-to now work the same in
	gpgsm as in gpg. Note, they are also used in server mode.

	* Duplicated recipients are now silently removed in gpgsm.


	Noteworthy changes in version 1.9.2 (2003-11-17)
	------------------------------------------------

	* On card key generation is no longer done using the --gen-key
	command but from the menu provided by the new --card-edit command.

	* PINs are now properly cached and there are only 2 PINs visible.
	The 3rd PIN (CHV2) is internally syncronized with the regular PIN.

	* All kind of other internal stuff.


	Noteworthy changes in version 1.9.1 (2003-09-06)
	------------------------------------------------

	* Support for OpenSC is back. scdaemon supports a --disable-opensc to
	disable OpenSC use at runtime, so that PC/SC or ct-API can still be
	used directly.

	* Rudimentary support for the SCR335 smartcard reader using an
	internal driver. Requires current libusb from CVS.

	* Bug fixes.


	Noteworthy changes in version 1.9.0 (2003-08-05)
	------------------------------------------------

	====== PLEASE SEE README-alpha =======

	* gpg has been renamed to gpg2 and gpgv to gpgv2. This is a
	temporary change to allow co-existing with stable gpg versions.

	* ~/.gnupg/gpg.conf-1.9.0 is fist tried as config file before the
	usual gpg.conf.

	* Removed the -k, -kv and -kvv commands. -k is now an alias to
	--list-keys. New command -K as alias for --list-secret-keys.

	* Removed --run-as-shm-coprocess feature.

	* gpg does now also use libgcrypt, libgpg-error is required.

	* New gpgsm commands --call-dirmngr and --call-protect-tool.

	* Changing a passphrase is now possible using "gpgsm --passwd"

	* The content-type attribute is now recognized and created.

	* The agent does now reread certain options on receiving a HUP.

	* The pinentry is now forked for each request so that clients with
	different environments are supported. When running in daemon mode
	and --keep-display is not used the DISPLAY variable is ignored.

	* Merged stuff from the newpg branch and started this new
	development branch.


	Copyright 2002, 2003, 2004, 2005, 2006, 2007,
	2008, 2009 Free Software Foundation, Inc.

	This file is free software; as a special exception the author gives
	unlimited permission to copy and/or distribute it, with or without
	modifications, as long as this notice is preserved.

	This file is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
	implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	diff --git a/configure.ac b/configure.ac
	index 7a67b89c7..0cb7186e9 100644
	--- a/configure.ac
	+++ b/configure.ac
	@@ -1,1498 +1,1498 @@
	# configure.ac - for GnuPG 2.0
	# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
	# 2006, 2007, 2008 Free Software Foundation, Inc.
	#
	# This file is part of GnuPG.
	#
	# GnuPG 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 3 of the License, or
	# (at your option) any later version.
	#
	# GnuPG 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.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; if not, see <http://www.gnu.org/licenses/>.

	# Process this file with autoconf to produce a configure script.
	AC_PREREQ(2.61)
	min_automake_version="1.10"

	# Remember to change the version number immediately after a release.
	# Set my_issvn to "yes" for non-released code. Remember to run an
	# "svn up" and "autogen.sh" right before creating a distribution.
	-m4_define([my_version], [2.0.10])
	-m4_define([my_issvn], [no])
	+m4_define([my_version], [2.0.11])
	+m4_define([my_issvn], [yes])

	m4_define([svn_revision], m4_esyscmd([printf "%d" $(svn info 2>/dev/null \
	\| sed -n '/^Revision:/ s/[^0-9]//gp'\|head -1)]))
	AC_INIT([gnupg],
	[my_version[]m4_if(my_issvn,[yes],[-svn[]svn_revision])],
	[bug-gnupg@gnupg.org])
	# Set development_version to yes if the minor number is odd or you
	# feel that the default check for a development version is not
	# sufficient.
	development_version=no

	NEED_GPG_ERROR_VERSION=1.4

	NEED_LIBGCRYPT_API=1
	NEED_LIBGCRYPT_VERSION=1.4.0

	NEED_LIBASSUAN_API=1
	NEED_LIBASSUAN_VERSION=1.0.4

	NEED_KSBA_API=1
	NEED_KSBA_VERSION=1.0.2


	PACKAGE=$PACKAGE_NAME
	PACKAGE_GT=${PACKAGE_NAME}2
	VERSION=$PACKAGE_VERSION

	AC_CONFIG_AUX_DIR(scripts)
	AC_CONFIG_SRCDIR(sm/gpgsm.c)
	AM_CONFIG_HEADER(config.h)
	AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
	AC_CANONICAL_HOST
	AB_INIT

	AC_GNU_SOURCE

	# Some status variables.
	have_gpg_error=no
	have_libgcrypt=no
	have_libassuan=no
	have_ksba=no
	have_pth=no
	have_libusb=no
	have_adns=no

	use_bzip2=yes
	use_exec=yes
	disable_keyserver_path=no
	use_camellia=no


	GNUPG_BUILD_PROGRAM(gpg, yes)
	GNUPG_BUILD_PROGRAM(gpgsm, yes)
	GNUPG_BUILD_PROGRAM(agent, yes)
	GNUPG_BUILD_PROGRAM(scdaemon, yes)
	GNUPG_BUILD_PROGRAM(tools, yes)
	GNUPG_BUILD_PROGRAM(doc, yes)
	GNUPG_BUILD_PROGRAM(symcryptrun, no)

	AC_SUBST(PACKAGE)
	AC_SUBST(PACKAGE_GT)
	AC_SUBST(VERSION)
	AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
	AC_DEFINE_UNQUOTED(PACKAGE_GT, "$PACKAGE_GT",
	[Name of this package for gettext])
	AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
	AC_DEFINE_UNQUOTED(PACKAGE_BUGREPORT, "$PACKAGE_BUGREPORT",
	[Bug report address])
	AC_DEFINE_UNQUOTED(NEED_LIBGCRYPT_VERSION, "$NEED_LIBGCRYPT_VERSION",
	[Required version of Libgcrypt])
	AC_DEFINE_UNQUOTED(NEED_KSBA_VERSION, "$NEED_KSBA_VERSION",
	[Required version of Libksba])



	# The default is to use the modules from this package and the few
	# other packages in a standard place; i.e where this package gets
	# installed. With these options it is possible to override these
	# ${prefix} depended values with fixed paths, which can't be replaced
	# at make time. See also am/cmacros.am and the defaults in AH_BOTTOM.
	AC_ARG_WITH(agent-pgm,
	[ --with-agent-pgm=PATH Use PATH as the default for the agent)],
	GNUPG_AGENT_PGM="$withval", GNUPG_AGENT_PGM="" )
	AC_SUBST(GNUPG_AGENT_PGM)
	AM_CONDITIONAL(GNUPG_AGENT_PGM, test -n "$GNUPG_AGENT_PGM")
	show_gnupg_agent_pgm="(default)"
	test -n "$GNUPG_AGENT_PGM" && show_gnupg_agent_pgm="$GNUPG_AGENT_PGM"

	AC_ARG_WITH(pinentry-pgm,
	[ --with-pinentry-pgm=PATH Use PATH as the default for the pinentry)],
	GNUPG_PINENTRY_PGM="$withval", GNUPG_PINENTRY_PGM="" )
	AC_SUBST(GNUPG_PINENTRY_PGM)
	AM_CONDITIONAL(GNUPG_PINENTRY_PGM, test -n "$GNUPG_PINENTRY_PGM")
	show_gnupg_pinentry_pgm="(default)"
	test -n "$GNUPG_PINENTRY_PGM" && show_gnupg_pinentry_pgm="$GNUPG_PINENTRY_PGM"


	AC_ARG_WITH(scdaemon-pgm,
	[ --with-scdaemon-pgm=PATH Use PATH as the default for the scdaemon)],
	GNUPG_SCDAEMON_PGM="$withval", GNUPG_SCDAEMON_PGM="" )
	AC_SUBST(GNUPG_SCDAEMON_PGM)
	AM_CONDITIONAL(GNUPG_SCDAEMON_PGM, test -n "$GNUPG_SCDAEMON_PGM")
	show_gnupg_scdaemon_pgm="(default)"
	test -n "$GNUPG_SCDAEMON_PGM" && show_gnupg_scdaemon_pgm="$GNUPG_SCDAEMON_PGM"


	AC_ARG_WITH(dirmngr-pgm,
	[ --with-dirmngr-pgm=PATH Use PATH as the default for the dirmngr)],
	GNUPG_DIRMNGR_PGM="$withval", GNUPG_DIRMNGR_PGM="" )
	AC_SUBST(GNUPG_DIRMNGR_PGM)
	AM_CONDITIONAL(GNUPG_DIRMNGR_PGM, test -n "$GNUPG_DIRMNGR_PGM")
	show_gnupg_dirmngr_pgm="(default)"
	test -n "$GNUPG_DIRMNGR_PGM" && show_gnupg_dirmngr_pgm="$GNUPG_DIRMNGR_PGM"

	AC_ARG_WITH(protect-tool-pgm,
	[ --with-protect-tool-pgm=PATH Use PATH as the default for the protect-tool)],
	GNUPG_PROTECT_TOOL_PGM="$withval", GNUPG_PROTECT_TOOL_PGM="" )
	AC_SUBST(GNUPG_PROTECT_TOOL_PGM)
	AM_CONDITIONAL(GNUPG_PROTECT_TOOL_PGM, test -n "$GNUPG_PROTECT_TOOL_PGM")
	show_gnupg_protect_tool_pgm="(default)"
	test -n "$GNUPG_PROTECT_TOOL_PGM" \
	&& show_gnupg_protect_tool_pgm="$GNUPG_PROTECT_TOOL_PGM"


	# Some folks want to use only the agent from this packet. Make it
	# easier for them by providing the configure option
	# --enable-only-agent.
	AC_ARG_ENABLE(agent-only,
	AC_HELP_STRING([--enable-agent-only],[build only the gpg-agent]),
	build_agent_only=$enableval)

	# SELinux support includes tracking of sensitive files to avoid
	# leaking their contents through processing these files by gpg itself
	AC_MSG_CHECKING([whether SELinux support is requested])
	AC_ARG_ENABLE(selinux-support,
	AC_HELP_STRING([--enable-selinux-support],
	[enable SELinux support]),
	selinux_support=$enableval, selinux_support=no)
	AC_MSG_RESULT($selinux_support)

	# Allow disabling of bzib2 support.
	# It is defined only after we confirm the library is available later
	AC_MSG_CHECKING([whether to enable the BZIP2 compression algorithm])
	AC_ARG_ENABLE(bzip2,
	AC_HELP_STRING([--disable-bzip2],[disable the BZIP2 compression algorithm]),
	use_bzip2=$enableval)
	AC_MSG_RESULT($use_bzip2)

	# Check whether testing support for Camellia has been requested
	AC_MSG_CHECKING([whether to enable the CAMELLIA cipher for gpg])
	AC_ARG_ENABLE(camellia,
	AC_HELP_STRING([--enable-camellia],[enable the CAMELLIA cipher for gpg]),
	use_camellia=$enableval)
	AC_MSG_RESULT($use_camellia)
	if test x"$use_camellia" = xyes ; then
	AC_DEFINE(USE_CAMELLIA,1,[Define to include the CAMELLIA cipher into gpg])
	AC_MSG_WARN([[
	***
	*** The Camellia cipher for gpg is for testing only and
	*** is NOT for production use!
	***]])
	fi


	# Configure option to allow or disallow execution of external
	# programs, like a photo viewer.
	AC_MSG_CHECKING([whether to enable external program execution])
	AC_ARG_ENABLE(exec,
	AC_HELP_STRING([--disable-exec],[disable all external program execution]),
	use_exec=$enableval)
	AC_MSG_RESULT($use_exec)
	if test "$use_exec" = no ; then
	AC_DEFINE(NO_EXEC,1,[Define to disable all external program execution])
	fi

	if test "$use_exec" = yes ; then
	AC_MSG_CHECKING([whether to enable photo ID viewing])
	AC_ARG_ENABLE(photo-viewers,
	[ --disable-photo-viewers disable photo ID viewers],
	[if test "$enableval" = no ; then
	AC_DEFINE(DISABLE_PHOTO_VIEWER,1,[define to disable photo viewing])
	fi],enableval=yes)
	gnupg_cv_enable_photo_viewers=$enableval
	AC_MSG_RESULT($enableval)

	if test "$gnupg_cv_enable_photo_viewers" = yes ; then
	AC_MSG_CHECKING([whether to use a fixed photo ID viewer])
	AC_ARG_WITH(photo-viewer,
	[ --with-photo-viewer=FIXED_VIEWER set a fixed photo ID viewer],
	[if test "$withval" = yes ; then
	withval=no
	elif test "$withval" != no ; then
	AC_DEFINE_UNQUOTED(FIXED_PHOTO_VIEWER,"$withval",
	[if set, restrict photo-viewer to this])
	fi],withval=no)
	AC_MSG_RESULT($withval)
	fi

	AC_MSG_CHECKING([whether to enable external keyserver helpers])
	AC_ARG_ENABLE(keyserver-helpers,
	[ --disable-keyserver-helpers disable all external keyserver support],
	[if test "$enableval" = no ; then
	AC_DEFINE(DISABLE_KEYSERVER_HELPERS,1,
	[define to disable keyserver helpers])
	fi],enableval=yes)
	gnupg_cv_enable_keyserver_helpers=$enableval
	AC_MSG_RESULT($enableval)

	if test "$gnupg_cv_enable_keyserver_helpers" = yes ; then
	# LDAP is defined only after we confirm the library is available later
	AC_MSG_CHECKING([whether LDAP keyserver support is requested])
	AC_ARG_ENABLE(ldap,
	AC_HELP_STRING([--disable-ldap],[disable LDAP keyserver interface only]),
	try_ldap=$enableval, try_ldap=yes)
	AC_MSG_RESULT($try_ldap)

	AC_MSG_CHECKING([whether HKP keyserver support is requested])
	AC_ARG_ENABLE(hkp,
	AC_HELP_STRING([--disable-hkp],[disable HKP keyserver interface only]),
	try_hkp=$enableval, try_hkp=yes)
	AC_MSG_RESULT($try_hkp)

	AC_MSG_CHECKING([whether finger key fetching support is requested])
	AC_ARG_ENABLE(finger,
	AC_HELP_STRING([--disable-finger],
	[disable finger key fetching interface only]),
	try_finger=$enableval, try_finger=yes)
	AC_MSG_RESULT($try_finger)

	AC_MSG_CHECKING([whether generic object key fetching support is requested])
	AC_ARG_ENABLE(generic,
	AC_HELP_STRING([--disable-generic],
	[disable generic object key fetching interface only]),
	try_generic=$enableval, try_generic=yes)
	AC_MSG_RESULT($try_generic)

	AC_MSG_CHECKING([whether email keyserver support is requested])
	AC_ARG_ENABLE(mailto,
	AC_HELP_STRING([--enable-mailto],
	[enable email keyserver interface only]),
	try_mailto=$enableval, try_mailto=no)
	AC_MSG_RESULT($try_mailto)
	fi

	AC_MSG_CHECKING([whether keyserver exec-path is enabled])
	AC_ARG_ENABLE(keyserver-path,
	AC_HELP_STRING([--disable-keyserver-path],
	[disable the exec-path option for keyserver helpers]),
	[if test "$enableval" = no ; then
	disable_keyserver_path=yes
	fi],enableval=yes)
	AC_MSG_RESULT($enableval)
	fi


	#
	# Check for the key/uid cache size. This can't be zero, but can be
	# pretty small on embedded systems. This is used for the gpg part.
	#
	AC_MSG_CHECKING([for the size of the key and uid cache])
	AC_ARG_ENABLE(key-cache,
	AC_HELP_STRING([--enable-key-cache=SIZE],
	[Set key cache to SIZE (default 4096)]),,enableval=4096)
	if test "$enableval" = "no"; then
	enableval=5
	elif test "$enableval" = "yes" \|\| test "$enableval" = ""; then
	enableval=4096
	fi
	changequote(,)dnl
	key_cache_size=`echo "$enableval" \| sed 's/[A-Za-z]//g'`
	changequote([,])dnl
	if test "$enableval" != "$key_cache_size" \|\| test "$key_cache_size" -lt 5; then
	AC_MSG_ERROR([invalid key-cache size])
	fi
	AC_MSG_RESULT($key_cache_size)
	AC_DEFINE_UNQUOTED(PK_UID_CACHE_SIZE,$key_cache_size,
	[Size of the key and UID caches])



	#
	# Check whether we want to use Linux capabilities
	#
	AC_MSG_CHECKING([whether use of capabilities is requested])
	AC_ARG_WITH(capabilities,
	[ --with-capabilities use linux capabilities [default=no]],
	[use_capabilities="$withval"],[use_capabilities=no])
	AC_MSG_RESULT($use_capabilities)

	#
	# To avoid double inclusion of config.h which might happen at some
	# places, we add the usual double inclusion protection at the top of
	# config.h.
	#
	AH_TOP([
	#ifndef GNUPG_CONFIG_H_INCLUDED
	#define GNUPG_CONFIG_H_INCLUDED
	])

	#
	# Stuff which goes at the bottom of config.h.
	#
	AH_BOTTOM([
	/* This is the major version number of GnuPG so that
	source included files can test for this. Note, that
	we use 2 here even for GnuPG 1.9.x. */
	#define GNUPG_MAJOR_VERSION 2

	/* Now to separate file name parts.
	Please note that the string version must not contain more
	than one character because the code assumes strlen()==1 */
	#ifdef HAVE_DOSISH_SYSTEM
	#define DIRSEP_C '\\'
	#define DIRSEP_S "\\"
	#define EXTSEP_C '.'
	#define EXTSEP_S "."
	#define PATHSEP_C ';'
	#define PATHSEP_S ";"
	#define EXEEXT_S ".exe"
	#else
	#define DIRSEP_C '/'
	#define DIRSEP_S "/"
	#define EXTSEP_C '.'
	#define EXTSEP_S "."
	#define PATHSEP_C ':'
	#define PATHSEP_S ":"
	#define EXEEXT_S ""
	#endif

	/* This is the same as VERSION, but should be overridden if the
	platform cannot handle things like dots '.' in filenames. Set
	SAFE_VERSION_DOT and SAFE_VERSION_DASH to whatever SAFE_VERSION
	uses for dots and dashes. */
	#define SAFE_VERSION VERSION
	#define SAFE_VERSION_DOT '.'
	#define SAFE_VERSION_DASH '-'

	/* Some global constants. */
	#ifdef HAVE_DRIVE_LETTERS
	#define GNUPG_DEFAULT_HOMEDIR "c:/gnupg"
	#elif defined(__VMS)
	#define GNUPG_DEFAULT_HOMEDIR "/SYS\$LOGIN/gnupg"
	#else
	#define GNUPG_DEFAULT_HOMEDIR "~/.gnupg"
	#endif
	#define GNUPG_PRIVATE_KEYS_DIR "private-keys-v1.d"

	/* For some systems (DOS currently), we hardcode the path here. For
	POSIX systems the values are constructed by the Makefiles, so that
	the values may be overridden by the make invocations; this is to
	comply with the GNU coding standards. */
	#ifdef HAVE_DRIVE_LETTERS
	/* FIXME: We need to use a function to determine these values depending
	on the actual installation directory. */
	#define GNUPG_BINDIR "c:\\gnupg"
	#define GNUPG_LIBEXECDIR "c:\\gnupg"
	#define GNUPG_LIBDIR "c:\\gnupg"
	#define GNUPG_DATADIR "c:\\gnupg"
	#define GNUPG_SYSCONFDIR "c:\\gnupg"
	#endif

	/* Derive some other constants. */
	#if !(defined(HAVE_FORK) && defined(HAVE_PIPE) && defined(HAVE_WAITPID))
	#define EXEC_TEMPFILE_ONLY
	#endif


	/* We didn't define endianness above, so get it from OS macros. This
	is intended for making fat binary builds on OS X. */
	#if !defined(BIG_ENDIAN_HOST) && !defined(LITTLE_ENDIAN_HOST)
	#if defined(__BIG_ENDIAN__)
	#define BIG_ENDIAN_HOST 1
	#elif defined(__LITTLE_ENDIAN__)
	#define LITTLE_ENDIAN_HOST 1
	#else
	#error "No endianness found"
	#endif
	#endif


	/* Hack used for W32: ldap.m4 also tests for the ASCII version of
	ldap_start_tls_s because that is the actual symbol used in the
	library. winldap.h redefines it to our commonly used value,
	thus we define our usual macro here. */
	#ifdef HAVE_LDAP_START_TLS_SA
	# ifndef HAVE_LDAP_START_TLS_S
	# define HAVE_LDAP_START_TLS_S 1
	# endif
	#endif


	/* Tell libgcrypt not to use its own libgpg-error implementation. */
	#define USE_LIBGPG_ERROR 1

	/* We use jnlib, so tell other modules about it. */
	#define HAVE_JNLIB_LOGGING 1

	/* Our HTTP code is used in estream mode. */
	#define HTTP_USE_ESTREAM 1

	/* Under W32 we do an explicit socket initialization, thus we need to
	avoid the on-demand initialization which would also install an atexit
	handler. */
	#define HTTP_NO_WSASTARTUP

	/* We always include support for the OpenPGP card. */
	#define ENABLE_CARD_SUPPORT 1

	/* We don't want the old assuan codes anymore. */
	#define _ASSUAN_ONLY_GPG_ERRORS 1

	/* We explicitly need to disable PTH's soft mapping as Debian
	currently enables it by default for no reason. */
	#define PTH_SYSCALL_SOFT 0

	/* We want to use the libgcrypt provided memory allocation for
	asprintf. */
	#define _ESTREAM_PRINTF_MALLOC gcry_malloc
	#define _ESTREAM_PRINTF_FREE gcry_free
	#define _ESTREAM_PRINTF_EXTRA_INCLUDE "util.h"

	#endif /GNUPG_CONFIG_H_INCLUDED/
	])


	AM_MAINTAINER_MODE

	# Checks for programs.
	AC_MSG_NOTICE([checking for programs])
	AC_PROG_MAKE_SET
	AM_SANITY_CHECK
	missing_dir=`cd $ac_aux_dir && pwd`
	AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
	AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
	AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
	AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
	AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
	AC_PROG_AWK
	AC_PROG_CC
	AC_PROG_CPP
	AM_PROG_CC_C_O
	if test "x$ac_cv_prog_cc_c89" = "xno" ; then
	AC_MSG_ERROR([[No C-89 compiler found]])
	fi
	AC_PROG_INSTALL
	AC_PROG_LN_S
	AC_PROG_RANLIB
	AC_CHECK_TOOL(AR, ar, :)
	AC_PATH_PROG(PERL,"perl")
	AC_CHECK_TOOL(WINDRES, windres, :)
	AC_ISC_POSIX
	gl_EARLY
	AC_SYS_LARGEFILE
	GNUPG_CHECK_FAQPROG
	GNUPG_CHECK_USTAR

	# We need to compile and run a program on the build machine. A
	# comment in libgpg-error says that the AC_PROG_CC_FOR_BUILD macro in
	# the AC archive is broken for autoconf 2.57. Given that tehre is no
	# newer version of that macro, we assume that it is also broken for
	# autoconf 2.61 and thus we use a simple but usually sufficient
	# approach.
	AC_MSG_CHECKING(for cc for build)
	if test "$cross_compiling" = "yes"; then
	CC_FOR_BUILD="${CC_FOR_BUILD-cc}"
	else
	CC_FOR_BUILD="${CC_FOR_BUILD-$CC}"
	fi
	AC_MSG_RESULT($CC_FOR_BUILD)
	AC_ARG_VAR(CC_FOR_BUILD,[build system C compiler])



	try_gettext=yes
	have_dosish_system=no
	have_w32_system=no
	use_simple_gettext=no
	case "${host}" in
	-mingw32)
	# special stuff for Windoze NT
	ac_cv_have_dev_random=no
	AC_DEFINE(USE_ONLY_8DOT3,1,
	[set this to limit filenames to the 8.3 format])
	AC_DEFINE(HAVE_DRIVE_LETTERS,1,
	[defined if we must run on a stupid file system])
	AC_DEFINE(USE_SIMPLE_GETTEXT,1,
	[because the Unix gettext has too much overhead on
	MingW32 systems and these systems lack Posix functions,
	we use a simplified version of gettext])
	disable_keyserver_path=yes
	have_dosish_system=yes
	have_w32_system=yes
	try_gettext="no"
	use_simple_gettext=yes
	;;
	i?86-emx-os2 \| i?86--os2emx )
	# OS/2 with the EMX environment
	ac_cv_have_dev_random=no
	AC_DEFINE(HAVE_DRIVE_LETTERS)
	have_dosish_system=yes
	try_gettext="no"
	;;

	i?86--msdosdjgpp)
	# DOS with the DJGPP environment
	ac_cv_have_dev_random=no
	AC_DEFINE(HAVE_DRIVE_LETTERS)
	have_dosish_system=yes
	try_gettext="no"
	;;

	--freebsd*)
	# FreeBSD
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	;;

	--hpux*)
	if test -z "$GCC" ; then
	CFLAGS="$CFLAGS -Ae -D_HPUX_SOURCE"
	fi
	;;
	-dec-osf4)
	if test -z "$GCC" ; then
	# Suppress all warnings
	# to get rid of the unsigned/signed char mismatch warnings.
	CFLAGS="$CFLAGS -w"
	fi
	;;
	-dec-osf5)
	if test -z "$GCC" ; then
	# Use the newer compiler `-msg_disable ptrmismatch1' to
	# get rid of the unsigned/signed char mismatch warnings.
	# Using this may hide other pointer mismatch warnings, but
	# it at least lets other warning classes through
	CFLAGS="$CFLAGS -msg_disable ptrmismatch1"
	fi
	;;
	m68k-atari-mint)
	;;
	*)
	;;
	esac

	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)

	AM_CONDITIONAL(USE_SIMPLE_GETTEXT, test x"$use_simple_gettext" = xyes)

	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)

	if test "$disable_keyserver_path" = yes; then
	AC_DEFINE(DISABLE_KEYSERVER_PATH,1,
	[Defined to disable exec-path for keyserver helpers])
	fi

	# (These need to go after AC_PROG_CC so that $EXEEXT is defined)
	AC_DEFINE_UNQUOTED(EXEEXT,"$EXEEXT",[The executable file extension, if any])

	if test x"$try_hkp" = xyes ; then
	AC_SUBST(GPGKEYS_HKP,"gpg2keys_hkp$EXEEXT")
	fi

	if test x"$try_finger" = xyes ; then
	AC_SUBST(GPGKEYS_FINGER,"gpg2keys_finger$EXEEXT")
	fi



	#
	# Checks for libraries.
	#
	AC_MSG_NOTICE([checking for libraries])


	#
	# libgpg-error is a library with error codes shared between GnuPG
	# related projects.
	#
	AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION",
	have_gpg_error=yes,have_gpg_error=no)


	#
	# Libgcrypt is our generic crypto library
	#
	AM_PATH_LIBGCRYPT("$NEED_LIBGCRYPT_API:$NEED_LIBGCRYPT_VERSION",
	have_libgcrypt=yes,have_libgcrypt=no)


	#
	# libassuan is used for IPC
	#
	AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
	have_libassuan=yes,have_libassuan=no)
	if test "$have_libassuan" = "yes"; then
	have_libassuan=no
	AM_PATH_LIBASSUAN_PTH("$NEED_LIBASSUAN_API:$NEED_LIBASSUAN_VERSION",
	have_libassuan=yes,have_libassuan=no)
	AM_CHECK_LIBASSUAN("$NEED_LIBASSUAN_API:1.0.1",
	[AC_DEFINE(HAVE_ASSUAN_SET_IO_MONITOR, 1,
	[Define to 1 if you have the `assuan_set_io_monitor' function.])],)
	AC_DEFINE_UNQUOTED(GNUPG_LIBASSUAN_VERSION, "$libassuan_version",
	[version of the libbassuan library])
	fi



	#
	# libksba is our X.509 support library
	#
	AM_PATH_KSBA("$NEED_KSBA_API:$NEED_KSBA_VERSION",have_ksba=yes,have_ksba=no)


	#
	# libusb allows us to use the integrated CCID smartcard reader driver.
	#
	# FiXME: Use GNUPG_CHECK_LIBUSB and modify to use separate AC_SUBSTs.
	AC_CHECK_LIB(usb, usb_bulk_write,
	[ LIBUSB_LIBS="$LIBUSB_LIBS -lusb"
	AC_DEFINE(HAVE_LIBUSB,1,
	[defined if libusb is available])
	have_libusb=yes
	])
	AC_SUBST(LIBUSB_LIBS)
	AC_CHECK_FUNCS(usb_create_match)

	#
	# Check wether it is necessary to link against libdl.
	#
	gnupg_dlopen_save_libs="$LIBS"
	LIBS=""
	AC_SEARCH_LIBS(dlopen, c dl,,,)
	DL_LIBS=$LIBS
	AC_SUBST(DL_LIBS)
	LIBS="$gnupg_dlopen_save_libs"

	#
	# Checks for symcryptrun:
	#

	# libutil has openpty() and login_tty().
	AC_CHECK_LIB(util, openpty,
	[ LIBUTIL_LIBS="$LIBUTIL_LIBS -lutil"
	AC_DEFINE(HAVE_LIBUTIL,1,
	[defined if libutil is available])
	])
	AC_SUBST(LIBUTIL_LIBS)

	# shred is used to clean temporary plain text files.
	AC_PATH_PROG(SHRED, shred, /usr/bin/shred)
	AC_DEFINE_UNQUOTED(SHRED,
	"${SHRED}", [defines the filename of the shred program])



	#
	# Check whether the GNU Pth library is available
	# Note, that we include a Pth emulation for W32.
	#
	GNUPG_PATH_PTH
	if test "$have_pth" = "yes"; then
	AC_DEFINE(USE_GNU_PTH, 1,
	[Defined if the GNU Portable Thread Library should be used])
	else
	AC_MSG_WARN([[
	***
	*** To support concurrent access to the gpg-agent and the SCdaemon
	*** we need the support of the GNU Portable Threads Library.
	*** Download it from ftp://ftp.gnu.org/gnu/pth/
	*** On a Debian GNU/Linux system you might want to try
	*** apt-get install libpth-dev
	***]])
	fi


	AC_MSG_NOTICE([checking for networking options])

	#
	# Must check for network library requirements before doing link tests
	# for ldap, for example. If ldap libs are static (or dynamic and without
	# ELF runtime link paths), then link will fail and LDAP support won't
	# be detected.
	#
	AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname,
	[NETLIBS="-lnsl $NETLIBS"]))
	AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
	[NETLIBS="-lsocket $NETLIBS"]))

	#
	# Now try for the resolver functions so we can use DNS for SRV, PA and CERT.
	#
	if test x"$try_hkp" = xyes \|\| test x"$try_http" = xyes ; then
	AC_ARG_ENABLE(dns-srv,
	AC_HELP_STRING([--disable-dns-srv],
	[disable the use of DNS SRV in HKP and HTTP]),
	use_dns_srv=$enableval,use_dns_srv=yes)
	fi

	AC_ARG_ENABLE(dns-pka,
	AC_HELP_STRING([--disable-dns-pka],
	[disable the use of PKA records in DNS]),
	use_dns_pka=$enableval,use_dns_pka=yes)

	AC_ARG_ENABLE(dns-cert,
	AC_HELP_STRING([--disable-dns-cert],
	[disable the use of CERT records in DNS]),
	use_dns_cert=$enableval,use_dns_cert=yes)

	if test x"$use_dns_pka" = xyes \|\| test x"$use_dns_srv" = xyes \
	\|\| test x"$use_dns_cert" = xyes; then
	_dns_save_libs=$LIBS
	LIBS=""
	# the double underscore thing is a glibc-ism?
	AC_SEARCH_LIBS(res_query,resolv bind,,
	AC_SEARCH_LIBS(__res_query,resolv bind,,have_resolver=no))
	AC_SEARCH_LIBS(dn_expand,resolv bind,,
	AC_SEARCH_LIBS(__dn_expand,resolv bind,,have_resolver=no))
	AC_SEARCH_LIBS(dn_skipname,resolv bind,,
	AC_SEARCH_LIBS(__dn_skipname,resolv bind,,have_resolver=no))

	if test x"$have_resolver" != xno ; then

	# Make sure that the BIND 4 resolver interface is workable before
	# enabling any code that calls it. At some point I'll rewrite the
	# code to use the BIND 8 resolver API.
	# We might also want to use adns instead.

	AC_MSG_CHECKING([whether the resolver is usable])
	AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
	#include <netinet/in.h>
	#include <arpa/nameser.h>
	#include <resolv.h>],
	[[unsigned char answer[PACKETSZ];
	res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);
	dn_skipname(0,0);
	dn_expand(0,0,0,0,0);
	]])],have_resolver=yes,have_resolver=no)
	AC_MSG_RESULT($have_resolver)

	# This is Apple-specific and somewhat bizarre as they changed the
	# define in bind 8 for some reason.

	if test x"$have_resolver" != xyes ; then
	AC_MSG_CHECKING(
	[whether I can make the resolver usable with BIND_8_COMPAT])
	AC_LINK_IFELSE([AC_LANG_PROGRAM([#define BIND_8_COMPAT
	#include <sys/types.h>
	#include <netinet/in.h>
	#include <arpa/nameser.h>
	#include <resolv.h>],
	[[unsigned char answer[PACKETSZ];
	res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);
	dn_skipname(0,0); dn_expand(0,0,0,0,0);
	]])],[have_resolver=yes ; need_compat=yes])
	AC_MSG_RESULT($have_resolver)
	fi
	fi

	if test x"$have_resolver" = xyes ; then
	DNSLIBS=$LIBS

	if test x"$use_dns_srv" = xyes ; then
	AC_DEFINE(USE_DNS_SRV,1,[define to use DNS SRV])
	fi

	if test x"$use_dns_pka" = xyes ; then
	AC_DEFINE(USE_DNS_PKA,1,[define to use our experimental DNS PKA])
	fi

	if test x"$use_dns_cert" = xyes ; then
	AC_DEFINE(USE_DNS_CERT,1,[define to use DNS CERT])
	fi

	if test x"$need_compat" = xyes ; then
	AC_DEFINE(BIND_8_COMPAT,1,[an Apple OSXism])
	fi
	else
	use_dns_srv=no
	use_dns_pka=no
	use_dns_cert=no
	fi

	LIBS=$_dns_save_libs
	fi

	AC_SUBST(DNSLIBS)

	AM_CONDITIONAL(USE_DNS_SRV, test x"$use_dns_srv" = xyes)


	#
	# Check for ADNS.
	#
	_cppflags="${CPPFLAGS}"
	_ldflags="${LDFLAGS}"
	AC_ARG_WITH(adns,
	AC_HELP_STRING([--with-adns=DIR],
	[look for the adns library in DIR]),
	[if test -d "$withval"; then
	CPPFLAGS="${CPPFLAGS} -I$withval/include"
	LDFLAGS="${LDFLAGS} -L$withval/lib"
	fi])
	AC_CHECK_HEADERS(adns.h,
	AC_CHECK_LIB(adns, adns_init,
	[have_adns=yes],
	[CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}]),
	[CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}])
	if test "$have_adns" = "yes"; then
	ADNSLIBS="-ladns"
	fi
	AC_SUBST(ADNSLIBS)
	# Newer adns versions feature a free function to be used under W32.
	AC_CHECK_FUNCS(adns_free)


	#
	# Check for LDAP
	#
	if test "$try_ldap" = yes ; then
	GNUPG_CHECK_LDAP($NETLIBS)
	fi

	#
	# Check for curl. We fake the curl API if libcurl isn't installed.
	# We require 7.10 or later as we use curl_version_info().
	#
	LIBCURL_CHECK_CONFIG([yes],[7.10],,[fake_curl=yes])
	AM_CONDITIONAL(FAKE_CURL,test x"$fake_curl" = xyes)

	# Generic, for us, means curl

	if test x"$try_generic" = xyes ; then
	AC_SUBST(GPGKEYS_CURL,"gpg2keys_curl$EXEEXT")
	fi

	#
	# Check for sendmail
	#
	# This isn't necessarily sendmail itself, but anything that gives a
	# sendmail-ish interface to the outside world. That includes Exim,
	# Postfix, etc. Basically, anything that can handle "sendmail -t".
	if test "$try_mailto" = yes ; then
	AC_ARG_WITH(mailprog,
	AC_HELP_STRING([--with-mailprog=NAME],
	[use "NAME -t" for mail transport]),
	,with_mailprog=yes)

	if test x"$with_mailprog" = xyes ; then
	AC_PATH_PROG(SENDMAIL,sendmail,,$PATH:/usr/sbin:/usr/libexec:/usr/lib)
	if test "$ac_cv_path_SENDMAIL" ; then
	GPGKEYS_MAILTO="gpg2keys_mailto"
	fi
	elif test x"$with_mailprog" != xno ; then
	AC_MSG_CHECKING([for a mail transport program])
	AC_SUBST(SENDMAIL,$with_mailprog)
	AC_MSG_RESULT($with_mailprog)
	GPGKEYS_MAILTO="gpg2keys_mailto"
	fi
	fi

	AC_SUBST(GPGKEYS_MAILTO)

	#
	# Construct a printable name of the OS
	#
	case "${host}" in
	-mingw32)
	PRINTABLE_OS_NAME="MingW32"
	;;
	--cygwin*)
	PRINTABLE_OS_NAME="Cygwin"
	;;
	i?86-emx-os2 \| i?86--os2emx )
	PRINTABLE_OS_NAME="OS/2"
	;;
	i?86--msdosdjgpp)
	PRINTABLE_OS_NAME="MSDOS/DJGPP"
	try_dynload=no
	;;
	-linux)
	PRINTABLE_OS_NAME="GNU/Linux"
	;;
	*)
	PRINTABLE_OS_NAME=`uname -s \|\| echo "Unknown"`
	;;
	esac
	AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME",
	[A human readable text with the name of the OS])


	#
	# Checking for iconv
	#
	AM_ICONV


	#
	# Check for gettext
	#
	AC_MSG_NOTICE([checking for gettext])
	AM_PO_SUBDIRS
	AM_GNU_GETTEXT_VERSION([0.17])
	if test "$try_gettext" = yes; then
	AM_GNU_GETTEXT([external],[need-ngettext])

	# gettext requires some extra checks. These really should be part of
	# the basic AM_GNU_GETTEXT macro. TODO: move other gettext-specific
	# function checks to here.

	AC_CHECK_FUNCS(strchr)
	else
	USE_NLS=no
	USE_INCLUDED_LIBINTL=no
	BUILD_INCLUDED_LIBINTL=no
	POSUB=po
	AC_SUBST(USE_NLS)
	AC_SUBST(USE_INCLUDED_LIBINTL)
	AC_SUBST(BUILD_INCLUDED_LIBINTL)
	AC_SUBST(POSUB)
	fi

	# We use HAVE_LANGINFO_CODESET in a couple of places.
	AM_LANGINFO_CODESET

	# Checks required for our use locales
	gt_LC_MESSAGES


	#
	# SELinux support
	#
	if test "$selinux_support" = yes ; then
	AC_DEFINE(ENABLE_SELINUX_HACKS,1,[Define to enable SELinux support])
	fi


	#
	# Checks for header files.
	#
	AC_MSG_NOTICE([checking for header files])
	AC_HEADER_STDC
	AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h])
	AC_CHECK_HEADERS([pty.h pwd.h inttypes.h])
	AC_HEADER_TIME


	#
	# Checks for typedefs, structures, and compiler characteristics.
	#
	AC_MSG_NOTICE([checking for system characteristics])
	AC_C_CONST
	AC_C_INLINE
	AC_C_VOLATILE
	AC_TYPE_SIZE_T
	AC_TYPE_MODE_T
	AC_TYPE_SIGNAL
	AC_DECL_SYS_SIGLIST

	gl_HEADER_SYS_SOCKET
	gl_TYPE_SOCKLEN_T

	AC_ARG_ENABLE(endian-check,
	AC_HELP_STRING([--disable-endian-check],
	[disable the endian check and trust the OS provided macros]),
	endiancheck=$enableval,endiancheck=yes)

	if test x"$endiancheck" = xyes ; then
	GNUPG_CHECK_ENDIAN
	fi

	# fixme: we should get rid of the byte type
	GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
	GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
	GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
	GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
	GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)

	AC_CHECK_SIZEOF(unsigned short)
	AC_CHECK_SIZEOF(unsigned int)
	AC_CHECK_SIZEOF(unsigned long)
	AC_CHECK_SIZEOF(unsigned long long)
	AC_CHECK_SIZEOF(time_t,,[[
	#include <stdio.h>
	#if TIME_WITH_SYS_TIME
	# include <sys/time.h>
	# include <time.h>
	#else
	# if HAVE_SYS_TIME_H
	# include <sys/time.h>
	# else
	# include <time.h>
	# endif
	#endif
	]])


	# Ensure that we have UINT64_C before we bother to check for uint64_t
	# Fixme: really needed in gnupg? I think it is only useful in libcgrypt.
	AC_CACHE_CHECK([for UINT64_C],[gnupg_cv_uint64_c_works],
	AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include <inttypes.h>
	uint64_t foo=UINT64_C(42);]),
	gnupg_cv_uint64_c_works=yes,gnupg_cv_uint64_c_works=no))
	if test "$gnupg_cv_uint64_c_works" = "yes" ; then
	AC_CHECK_SIZEOF(uint64_t)
	fi

	if test "$ac_cv_sizeof_unsigned_short" = "0" \
	\|\| test "$ac_cv_sizeof_unsigned_int" = "0" \
	\|\| test "$ac_cv_sizeof_unsigned_long" = "0"; then
	AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]);
	fi


	#
	# Checks for library functions.
	#
	AC_MSG_NOTICE([checking for library functions])
	AC_CHECK_DECLS(getpagesize)
	AC_FUNC_FSEEKO
	AC_FUNC_VPRINTF
	AC_FUNC_FORK
	AC_CHECK_FUNCS([strerror strlwr tcgetattr mmap])
	AC_CHECK_FUNCS([strcasecmp strncasecmp ctermid times gmtime_r])
	AC_CHECK_FUNCS([unsetenv getpwnam getpwuid fcntl ftruncate])
	AC_CHECK_FUNCS([gettimeofday getrusage setrlimit clock_gettime])
	AC_CHECK_FUNCS([atexit raise getpagesize strftime nl_langinfo setlocale])
	AC_CHECK_FUNCS([waitpid wait4 sigaction sigprocmask pipe stat getaddrinfo])
	AC_CHECK_FUNCS([ttyname rand ftello])

	AC_CHECK_TYPES([struct sigaction, sigset_t],,,[#include <signal.h>])

	#
	# These are needed by libjnlib - fixme: we should use a jnlib.m4
	#
	AC_CHECK_FUNCS([memicmp stpcpy strsep strlwr strtoul memmove stricmp strtol])
	AC_CHECK_FUNCS([memrchr isascii timegm getrusage setrlimit stat setlocale])
	AC_CHECK_FUNCS([flockfile funlockfile fopencookie funopen])

	#
	# gnulib checks
	#
	gl_SOURCE_BASE([gl])
	gl_M4_BASE([gl/m4])
	gl_MODULES([setenv mkdtemp xsize strpbrk])
	gl_INIT


	#
	# W32 specific test
	#
	GNUPG_FUNC_MKDIR_TAKES_ONE_ARG

	#
	# Sanity check regex. Tests adapted from mutt.
	#
	AC_MSG_CHECKING([whether regular expression support is requested])
	AC_ARG_ENABLE(regex,
	AC_HELP_STRING([--disable-regex],
	[do not handle regular expressions in trust signatures]),
	use_regex=$enableval, use_regex=yes)
	AC_MSG_RESULT($use_regex)

	if test "$use_regex" = yes ; then
	_cppflags="${CPPFLAGS}"
	_ldflags="${LDFLAGS}"
	AC_ARG_WITH(regex,
	AC_HELP_STRING([--with-regex=DIR],[look for regex in DIR]),
	[
	if test -d "$withval" ; then
	CPPFLAGS="${CPPFLAGS} -I$withval/include"
	LDFLAGS="${LDFLAGS} -L$withval/lib"
	fi
	],withval="")

	# Does the system have regex functions at all?
	AC_SEARCH_LIBS([regcomp], [regex])
	AC_CHECK_FUNC(regcomp, gnupg_cv_have_regex=yes, gnupg_cv_have_regex=no)

	if test $gnupg_cv_have_regex = no; then
	use_regex=no
	else
	if test x"$cross_compiling" = xyes; then
	AC_MSG_WARN([cross compiling; assuming regexp libray is not broken])
	else
	AC_CACHE_CHECK([whether your system's regexp library is broken],
	[gnupg_cv_regex_broken],
	AC_TRY_RUN([
	#include <unistd.h>
	#include <regex.h>
	main() { regex_t blah ; regmatch_t p; p.rm_eo = p.rm_eo; return regcomp(&blah, "foo.*bar", REG_NOSUB) \|\| regexec (&blah, "foobar", 0, NULL, 0); }],
	gnupg_cv_regex_broken=no, gnupg_cv_regex_broken=yes, gnupg_cv_regex_broken=yes))

	if test $gnupg_cv_regex_broken = yes; then
	AC_MSG_WARN([your regex is broken - disabling regex use])
	use_regex=no
	fi
	fi
	fi
	CPPFLAGS="${_cppflags}"
	LDFLAGS="${_ldflags}"
	fi

	if test "$use_regex" != yes ; then
	AC_DEFINE(DISABLE_REGEX,1, [Define to disable regular expression support])
	fi
	AM_CONDITIONAL(DISABLE_REGEX, test x"$use_regex" != xyes)



	#
	# Do we have zlib? Must do it here because Solaris failed
	# when compiling a conftest (due to the "-lz" from LIBS).
	# Note that we combine zlib and bzlib2 in ZLIBS.
	#
	_cppflags="${CPPFLAGS}"
	_ldflags="${LDFLAGS}"
	AC_ARG_WITH(zlib,
	[ --with-zlib=DIR use libz in DIR],[
	if test -d "$withval"; then
	CPPFLAGS="${CPPFLAGS} -I$withval/include"
	LDFLAGS="${LDFLAGS} -L$withval/lib"
	fi
	])

	AC_CHECK_HEADER(zlib.h,
	AC_CHECK_LIB(z, deflateInit2_,
	ZLIBS="-lz",
	CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
	CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags})

	#
	# Check whether we can support bzip2
	#
	if test "$use_bzip2" = yes ; then
	_cppflags="${CPPFLAGS}"
	_ldflags="${LDFLAGS}"
	AC_ARG_WITH(bzip2,
	AC_HELP_STRING([--with-bzip2=DIR],[look for bzip2 in DIR]),
	[
	if test -d "$withval" ; then
	CPPFLAGS="${CPPFLAGS} -I$withval/include"
	LDFLAGS="${LDFLAGS} -L$withval/lib"
	fi
	],withval="")

	# Checking alongside stdio.h as an early version of bzip2 (1.0)
	# required stdio.h to be included before bzlib.h, and Solaris 9 is
	# woefully out of date.
	if test "$withval" != no ; then
	AC_CHECK_HEADER(bzlib.h,
	AC_CHECK_LIB(bz2,BZ2_bzCompressInit,
	[
	have_bz2=yes
	ZLIBS="$ZLIBS -lbz2"
	AC_DEFINE(HAVE_BZIP2,1,
	[Defined if the bz2 compression library is available])
	],
	CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
	CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags},[#include <stdio.h>])
	fi
	fi
	AM_CONDITIONAL(ENABLE_BZIP2_SUPPORT,test x"$have_bz2" = "xyes")
	AC_SUBST(ZLIBS)


	# Check for readline support
	GNUPG_CHECK_READLINE

	#
	# Allow users to append something to the version string without
	# flagging it as development version. The user version parts is
	# considered everything after a dash.
	#
	if test "$development_version" != yes; then
	changequote(,)dnl
	tmp_pat='[a-zA-Z]'
	changequote([,])dnl
	if echo "$VERSION" \| sed 's/-.*//' \| grep "$tmp_pat" >/dev/null ; then
	development_version=yes
	fi
	fi
	if test "$development_version" = yes; then
	AC_DEFINE(IS_DEVELOPMENT_VERSION,1,
	[Defined if this is not a regular release])
	fi

	AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes)

	GNUPG_CHECK_GNUMAKE

	# Add some extra libs here so that previous tests don't fail for
	# mysterious reasons - the final link step should bail out.
	# W32SOCKLIBS is also defined so that if can be used for tools not
	# requiring any network stuff but linking to code in libcommon which
	# tracks in winsock stuff (e.g. init_common_subsystems.
	if test "$have_w32_system" = yes; then
	W32SOCKLIBS="-lws2_32"
	NETLIBS="${NETLIBS} ${W32SOCKLIBS}"
	fi

	AC_SUBST(NETLIBS)
	AC_SUBST(W32SOCKLIBS)

	#
	# Setup gcc specific options
	#
	AC_MSG_NOTICE([checking for cc features])
	if test "$GCC" = yes; then
	# Note that it is okay to use CFLAGS here because this are just
	# warning options and the user should have a chance of overriding
	# them.
	if test "$USE_MAINTAINER_MODE" = "yes"; then
	CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
	CFLAGS="$CFLAGS -Wformat -Wno-format-y2k -Wformat-security"
	AC_MSG_CHECKING([if gcc supports -Wno-missing-field-initializers])
	_gcc_cflags_save=$CFLAGS
	CFLAGS="-Wno-missing-field-initializers"
	AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_wopt=yes,_gcc_wopt=no)
	AC_MSG_RESULT($_gcc_wopt)
	CFLAGS=$_gcc_cflags_save;
	if test x"$_gcc_wopt" = xyes ; then
	CFLAGS="$CFLAGS -W -Wno-sign-compare -Wno-missing-field-initializers"
	fi
	AC_MSG_CHECKING([if gcc supports -Wdeclaration-after-statement])
	_gcc_cflags_save=$CFLAGS
	CFLAGS="-Wdeclaration-after-statement"
	AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_wopt=yes,_gcc_wopt=no)
	AC_MSG_RESULT($_gcc_wopt)
	CFLAGS=$_gcc_cflags_save;
	if test x"$_gcc_wopt" = xyes ; then
	CFLAGS="$CFLAGS -Wdeclaration-after-statement"
	fi
	else
	CFLAGS="$CFLAGS -Wall"
	fi

	AC_MSG_CHECKING([if gcc supports -Wno-pointer-sign])
	_gcc_cflags_save=$CFLAGS
	CFLAGS="-Wno-pointer-sign"
	AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_psign=yes,_gcc_psign=no)
	AC_MSG_RESULT($_gcc_psign)
	CFLAGS=$_gcc_cflags_save;
	if test x"$_gcc_psign" = xyes ; then
	CFLAGS="$CFLAGS -Wno-pointer-sign"
	fi

	AC_MSG_CHECKING([if gcc supports -Wpointer-arith])
	_gcc_cflags_save=$CFLAGS
	CFLAGS="-Wpointer-arith"
	AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_psign=yes,_gcc_psign=no)
	AC_MSG_RESULT($_gcc_psign)
	CFLAGS=$_gcc_cflags_save;
	if test x"$_gcc_psign" = xyes ; then
	CFLAGS="$CFLAGS -Wpointer-arith"
	fi
	fi


	#
	# This is handy for debugging so the compiler doesn't rearrange
	# things and eliminate variables.
	#
	AC_ARG_ENABLE(optimization,
	AC_HELP_STRING([--disable-optimization],
	[disable compiler optimization]),
	[if test $enableval = no ; then
	CFLAGS=`echo $CFLAGS \| sed 's/-O[[0-9]]//'`
	fi])

	#
	# Prepare building of estream
	#
	estream_INIT


	#
	# Decide what to build
	#
	if test "$have_adns" = "yes"; then
	AC_SUBST(GPGKEYS_KDNS, "gpg2keys_kdns$EXEEXT")
	fi


	missing_pth=no
	if test $have_ksba = no; then
	build_gpgsm=no
	build_scdaemon=no
	fi

	build_agent_threaded=""
	if test "$build_agent" = "yes"; then
	if test $have_pth = no; then
	build_agent_threaded="(not multi-threaded)"
	missing_pth=yes
	fi
	fi

	build_scdaemon_extra=""
	if test "$build_scdaemon" = "yes"; then
	tmp=""
	if test $have_pth = no; then
	build_scdaemon_extra="not multi-threaded"
	tmp=", "
	missing_pth=yes
	fi
	if test $have_libusb = no; then
	build_scdaemon_extra="${tmp}without internal CCID driver"
	tmp=", "
	fi
	if test -n "$build_scdaemon_extra"; then
	build_scdaemon_extra="(${build_scdaemon_extra})"
	fi
	fi


	if test "$build_agent_only" = "yes" ; then
	build_gpg=no
	build_gpgsm=no
	build_scdaemon=no
	build_tools=no
	build_doc=no
	fi


	AM_CONDITIONAL(BUILD_GPG, test "$build_gpg" = "yes")
	AM_CONDITIONAL(BUILD_GPGSM, test "$build_gpgsm" = "yes")
	AM_CONDITIONAL(BUILD_AGENT, test "$build_agent" = "yes")
	AM_CONDITIONAL(BUILD_SCDAEMON, test "$build_scdaemon" = "yes")
	AM_CONDITIONAL(BUILD_TOOLS, test "$build_tools" = "yes")
	AM_CONDITIONAL(BUILD_DOC, test "$build_doc" = "yes")
	AM_CONDITIONAL(BUILD_SYMCRYPTRUN, test "$build_symcryptrun" = "yes")

	AM_CONDITIONAL(RUN_GPG_TESTS,
	test x$cross_compiling = xno -a "$build_gpg" = yes )


	#
	# Print errors here so that they are visible all
	# together and the user can acquire them all together.
	#
	die=no
	if test "$have_gpg_error" = "no"; then
	die=yes
	AC_MSG_NOTICE([[
	***
	*** You need libgpg-error to build this program.
	** This library is for example available at
	*** ftp://ftp.gnupg.org/gcrypt/libgpg-error
	*** (at least version $NEED_GPG_ERROR_VERSION is required.)
	***]])
	fi
	if test "$have_libgcrypt" = "no"; then
	die=yes
	AC_MSG_NOTICE([[
	***
	*** You need libgcrypt to build this program.
	** This library is for example available at
	*** ftp://ftp.gnupg.org/gcrypt/libgcrypt/
	*** (at least version $NEED_LIBGCRYPT_VERSION using API $NEED_LIBGCRYPT_API is required.)
	***]])
	fi
	if test "$have_libassuan" = "no"; then
	die=yes
	AC_MSG_NOTICE([[
	***
	*** You need libassuan with Pth support to build this program.
	*** This library is for example available at
	*** ftp://ftp.gnupg.org/gcrypt/libassuan/
	*** (at least version $NEED_LIBASSUAN_VERSION (API $NEED_LIBASSUAN_API) is required).
	***]])
	fi
	if test "$have_ksba" = "no"; then
	AC_MSG_NOTICE([[
	***
	*** You need libksba to build this program.
	*** This library is for example available at
	*** ftp://ftp.gnupg.org/gcrypt/libksba/
	*** (at least version $NEED_KSBA_VERSION using API $NEED_KSBA_API is required).
	***]])
	fi
	if test "$missing_pth" = "yes"; then
	AC_MSG_NOTICE([[
	***
	*** It is now required to build with support for the
	*** GNU Portable Threads Library (Pth). Please install this
	*** library first. The library is for example available at
	*** ftp://ftp.gnu.org/gnu/pth/
	*** On a Debian GNU/Linux system you can install it using
	*** apt-get install libpth-dev
	*** To build GnuPG for Windows you need to use the W32PTH
	*** package; available at:
	*** ftp://ftp.g10code.com/g10code/w32pth/
	***]])
	die=yes
	fi

	if test "$die" = "yes"; then
	AC_MSG_ERROR([[
	***
	*** Required libraries not found. Please consult the above messages
	*** and install them before running configure again.
	***]])
	fi



	AC_CONFIG_FILES([ m4/Makefile
	Makefile
	po/Makefile.in
	gl/Makefile
	include/Makefile
	jnlib/Makefile
	common/Makefile
	kbx/Makefile
	g10/Makefile
	sm/Makefile
	agent/Makefile
	scd/Makefile
	keyserver/Makefile
	keyserver/gpg2keys_mailto
	keyserver/gpg2keys_test
	tools/gpg-zip
	tools/Makefile
	doc/Makefile
	tests/Makefile
	tests/openpgp/Makefile
	tests/pkits/Makefile
	])
	AC_OUTPUT


	echo "
	GnuPG v${VERSION} has been configured as follows:

	Platform: $PRINTABLE_OS_NAME ($host)

	OpenPGP: $build_gpg
	S/MIME: $build_gpgsm
	Agent: $build_agent $build_agent_threaded
	Smartcard: $build_scdaemon $build_scdaemon_extra

	Protect tool: $show_gnupg_protect_tool_pgm
	Default agent: $show_gnupg_agent_pgm
	Default pinentry: $show_gnupg_pinentry_pgm
	Default scdaemon: $show_gnupg_scdaemon_pgm
	Default dirmngr: $show_gnupg_dirmngr_pgm
	"
	if test x"$use_regex" != xyes ; then
	echo "
	Warning: No regular expression support available.
	OpenPGP trust signatures won't work.
	gpg-check-pattern will not be build.
	"
	fi
	if test x"$use_camellia" = xyes ; then
	echo
	echo "WARNING: The Camellia cipher for gpg is for testing only"
	echo " and is NOT for production use!"
	echo
	fi

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