cpp,qt: Remove C++ and Qt bindings

* README: Update.
* configure.ac: Remove checks, variables and file generations related to
the C++/Qt bindings. Remove cpp and qt* from available_languages and
default_languages.
* lang/Makefile.am (DIST_SUBDIRS): Remove cpp and qt.
* lang/cpp, lang/qt: Remove.
* m4/ax_check_compile_flag.m4, m4/ax_cxx_compile_stdcxx.m4,
m4/ax_gcc_func_attribute.m4, m4/pkg.m4, m4/qt5.m4, m4/qt6.m4: Remove.
--

The C++ and Qt bindings have been moved to separate Git repositories:
gpgmepp and gpgmeqt.

GnuPG-bug-id: 7262

1 files changed, 0 insertions, 130 deletions

diff --git a/lang/cpp/src/swdbresult.h b/lang/cpp/src/swdbresult.h
deleted file mode 100644
index d4340fe1..00000000
--- a/lang/cpp/src/swdbresult.h
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
-  swdbresult.h - wraps a gpgme swdb query / rsult
-  Copyright (C) 2016 by Bundesamt für Sicherheit in der Informationstechnik
-  Software engineering by Intevation 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 Library 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 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 Library General Public License for more details.
-
-  You should have received a copy of the GNU Library General Public License
-  along with GPGME++; see the file COPYING.LIB.  If not, write to the
-  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-  Boston, MA 02110-1301, USA.
-*/
-#ifndef __GPGMEPP_SWDB_H__
-#define __GPGMEPP_SWDB_H__
-
-#include "gpgmepp_export.h"
-
-#include "global.h"
-#include "engineinfo.h"
-
-#include <vector>
-#include <string>
-#include <iostream>
-#include <ostream>
-
-namespace GpgME
-{
-
-class GPGMEPP_EXPORT SwdbResult
-{
-public:
-    /* Obtain swdb results through query() */
-    SwdbResult();
-    explicit SwdbResult(gpgme_query_swdb_result_t result);
-
-    /** Query the swdb to get information about updates.
-     *
-     * Runs gpgconf --query-swdb through gpgme and
-     * returns a list of results.
-     * If iversion is given as NULL a check is only done if GPGME
-     * can figure out the version by itself (for example when using
-     * "gpgme" or "gnupg").
-     *
-     * If NULL is used for name the current gpgme version is
-     * checked.
-     *
-     * @param name: Name of the component to query.
-     * @param iversion: Optionally the installed version.
-     * @param err: Optional error.
-     */
-    static std::vector<SwdbResult> query(const char *name,
-                                         const char *iversion = NULL,
-                                         Error *err = NULL);
-
-    SwdbResult(const SwdbResult &other) = default;
-    const SwdbResult &operator=(SwdbResult other)
-    {
-        swap(other);
-        return *this;
-    }
-
-    void swap(SwdbResult &other)
-    {
-        using std::swap;
-        swap(this->d, other.d);
-    }
-    bool isNull() const;
-
-    /* The name of the package (e.g. "gpgme", "gnupg") */
-    std::string name() const;
-
-    /* The version of the installed version.  */
-    EngineInfo::Version installedVersion() const;
-
-    /* The time the online info was created.  */
-    unsigned long created() const;
-
-    /* The time the online info was retrieved.  */
-    unsigned long retrieved() const;
-
-    /* This bit is set if an error occurred or some of the information
-     * in this structure may not be set.  */
-    bool warning() const;
-
-    /* An update is available.  */
-    bool update() const;
-
-    /* The update is important.  */
-    bool urgent() const;
-
-    /* No information at all available.  */
-    bool noinfo() const;
-
-    /* The package name is not known. */
-    bool unknown() const;
-
-    /* The information here is too old.  */
-    bool tooOld() const;
-
-    /* Other error.  */
-    bool error() const;
-
-    /* The version of the latest released version.  */
-    EngineInfo::Version version() const;
-
-    /* The release date of that version.  */
-    unsigned long releaseDate() const;
-
-private:
-    class Private;
-    std::shared_ptr<Private> d;
-};
-
-GPGMEPP_EXPORT std::ostream &operator<<(std::ostream &os, const SwdbResult &info);
-
-} // namespace GpgME
-
-GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION(SwdbResult)
-
-#endif