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, 68 deletions

diff --git a/lang/cpp/src/result.h b/lang/cpp/src/result.h
deleted file mode 100644
index a587afbe..00000000
--- a/lang/cpp/src/result.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
-  result.h - base class for results
-  Copyright (C) 2004 Klarälvdalens Datakonsult AB
-  2016 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_RESULT_H__
-#define __GPGMEPP_RESULT_H__
-
-#include "gpgmefw.h"
-#include "error.h"
-
-#include <algorithm> // std::swap
-
-namespace GpgME
-{
-
-class GPGMEPP_EXPORT Result
-{
-protected:
-    explicit Result() : mError() {}
-    explicit Result(int err) : mError(err) {}
-    explicit Result(const Error &err) : mError(err) {}
-
-    void swap(Result &other)
-    {
-        std::swap(other.mError, mError);
-    }
-
-public:
-    const Error &error() const
-    {
-        return mError;
-    }
-    /**
-     * Replaces the error set during construction with \p error.
-     * Use with care, e.g. to set a more suitable error.
-     */
-    void setError(const Error &error)
-    {
-        mError = error;
-    }
-
-protected:
-    Error mError;
-};
-
-}
-
-#endif // __GPGMEPP_RESULT_H__