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, 94 deletions

diff --git a/lang/cpp/src/engineinfo.cpp b/lang/cpp/src/engineinfo.cpp
deleted file mode 100644
index c4ad5300..00000000
--- a/lang/cpp/src/engineinfo.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
-  engineinfo.h
-  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.
-*/
-
-#ifdef HAVE_CONFIG_H
- #include "config.h"
-#endif
-
-#include "engineinfo.h"
-
-#include <gpgme.h>
-
-class GpgME::EngineInfo::Private
-{
-public:
-    Private(gpgme_engine_info_t engine = nullptr) : info(engine) {}
-    ~Private()
-    {
-        info = nullptr;
-    }
-
-    gpgme_engine_info_t info;
-};
-
-GpgME::EngineInfo::EngineInfo() : d() {}
-
-GpgME::EngineInfo::EngineInfo(gpgme_engine_info_t engine)
-    : d(new Private(engine))
-{
-
-}
-
-bool GpgME::EngineInfo::isNull() const
-{
-    return !d || !d->info;
-}
-
-GpgME::Protocol GpgME::EngineInfo::protocol() const
-{
-    if (isNull()) {
-        return UnknownProtocol;
-    }
-    switch (d->info->protocol) {
-    case GPGME_PROTOCOL_OpenPGP: return OpenPGP;
-    case GPGME_PROTOCOL_CMS:     return CMS;
-    default:
-        return UnknownProtocol;
-    }
-}
-
-const char *GpgME::EngineInfo::fileName() const
-{
-    return isNull() ? nullptr : d->info->file_name;
-}
-
-const char *GpgME::EngineInfo::version() const
-{
-    return isNull() ? nullptr : d->info->version;
-}
-
-GpgME::EngineInfo::Version GpgME::EngineInfo::engineVersion() const
-{
-    return Version(version());
-}
-
-const char *GpgME::EngineInfo::requiredVersion() const
-{
-    return isNull() ? nullptr : d->info->req_version;
-}
-
-const char *GpgME::EngineInfo::homeDirectory() const
-{
-    return isNull() ? nullptr : d->info->home_dir;
-}