// Copyright (c) 2022 Klemens Morgenstern

//

// Distributed under the Boost Software License, Version 1.0. (See accompanying

// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

//[intro

#include <boost/process/v2.hpp>

#include <boost/asio/read.hpp>

#include <boost/asio/readable_pipe.hpp>

#include <boost/system/error_code.hpp>

#include <string>

#include <iostream>

namespace proc = boost::process::v2;

namespace asio = boost::asio;

int main()

{

asio::io_context ctx;

asio::readable_pipe p{ctx};

const auto exe = proc::environment::find_executable("gcc");

proc::process c{ctx, exe, {"--version"}, proc::process_stdio{nullptr, p}};

std::string line;

boost::system::error_code ec;

auto sz = asio::read(p, asio::dynamic_buffer(line), ec);

assert(ec == asio::error::eof);

std::cout << "Gcc version: '" << line << "'" << std::endl;

c.wait();

}

//]