Dirk Eddelbuettel wrote the R package 'RcppSpdlog' providing R
integration for 'spdlog'.

It includes the (header-only) C++ sources for 'spdlog' which in turn
includes parts of 'fmt'. See below for details.


-- spdlog --------------------------------------------------------
Gabi Melman is the principal author of 'spdlog'. As the upstream
source state, there are also many contributors. The list of (100+)
contributors (going back to 2014) can obtained from GitHub via
https://github.com/gabime/spdlog/graphs/contributors

Files: inst/include/spdlog/*
Copyright: (c) 2014-2020 Gabi Melman <gmelman1@gmail.com>
Copyright: (c) 2015-present, Gabi Melman & spdlog contributors
License: MIT
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
 "Software"), to deal in the Software without restriction, including
 without limitation the rights to use, copy, modify, merge, publish,
 distribute, sublicense, and/or sell copies of the Software, and to
 permit persons to whom the Software is furnished to do so, subject to
 the following conditions:
 .
 The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.
 .
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


-- fmt -----------------------------------------------------------
Victor Zverovic is the principal author of 'fmt'. As the upstream
source state, there are also many contributors. The list of (100+)
contributors (going back to 2012) can obtained from GitHub via
https://github.com/fmtlib/fmt/graphs/contributors

Files: inst/include/spdlog/fmt/bundled/*
Copyright: (c) 2012 - present, Victor Zverovic
Upstream-Name: fmt
Source: https://github.com/gabime/spdlog/tree/v1.x/include/spdlog/fmt/bundled


-- other files ---------------------------------------------------
File: inst/include/spdlog/fmt/bundled/chrono.h
Copyright: (c) 2019  Paul Dreik
Source: https://github.com/pauldreik/safe_duration_cast

File: inst/include/spdlog/fmt/bundled/ranges.h
Copyright (c) 2012 - present, Victor Zverovich
Copyright (c) 2018 - present, Remotion (Igor Schulz)
Source: https://github.com/gabime/spdlog/tree/v1.x/include/spdlog/fmt/bundled/ranges.h

File: inst/include/spdlog/sinks/msvc_sink.h
Copyright(c) 2016 Alexander Dalshov.
Source: https://github.com/gabime/spdlog/tree/v1.x/include/spdlog/sinks/msvc_sink.h

File: inst/include/spdlog/sinks/systemd_sink.h
Copyright(c) 2019 ZVYAGIN.Alexander@gmail.com
Source: https://github.com/gabime/spdlog/tree/v1.x/include/spdlog/sinks/systemd_sink.h
