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, 47 deletions

diff --git a/lang/cpp/src/util.cpp b/lang/cpp/src/util.cpp
deleted file mode 100644
index 9104435f..00000000
--- a/lang/cpp/src/util.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
-  util.cpp - some internal helpers
-  Copyright (c) 2022 g10 Code GmbH
-  Software engineering by Ingo Klöcker <[email protected]>
-
-  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 "util.h"
-
-#include <functional>
-
-StringsToCStrings::StringsToCStrings(const std::vector<std::string>& v)
-    : m_strings{v}
-{
-}
-
-const char **StringsToCStrings::c_strs() const
-{
-    if (m_cstrings.empty()) {
-        m_cstrings.reserve(m_strings.size() + 1);
-        std::transform(std::begin(m_strings), std::end(m_strings),
-                       std::back_inserter(m_cstrings),
-                       std::mem_fn(&std::string::c_str));
-        m_cstrings.push_back(nullptr);
-    }
-    return m_cstrings.data();
-}