Tilcayo

Licences

The licence notices of tcy.wasm and the files copied beside it. THIRD_PARTY.md says what each contains and under which licence; each text is also a file in this directory.

THIRD_PARTY.md

# Third-party material

TODO: tilcayo's own code does not have a licence yet.

What the repository carries, fetches or uses, and the licence its upstream
states in LICENSE/COPYING files and file headers at the recorded commits
(checked 2026-10-05). Not legal advice. Details:
`issue-tracking/reports/150-third-party-licenses.md`.

## Linked into `tcy`

| what | upstream | licence | licence text |
|------|----------|---------|--------------|
| CaDiCaL, the SAT solver | https://github.com/arminbiere/cadical `rel-3.0.1`: by default a system install's static library (nixpkgs' `cadical` in the dev shell and the flake package); with `-Ddeps=source`, the tarball pinned in `build.zig.zon` (and `flake.nix`), compiled (`src/*.cpp` but `cadical.cpp` and `mobical.cpp`; `src/kitten.c`). Not carried | MIT (its notice goes with every `tcy` binary) | `src/cadical.LICENSE` |
| sv-elab, the SystemVerilog elaborator of `tcy import-sv` | https://github.com/widlarizer/sv-elab, a commit of its `tilcayo` branch pinned in `build.zig.zon`, compiled in every configuration. Not carried. The branch forks https://github.com/povik/sv-elab; an AI agent wrote its commits for tilcayo, so sv-elab's AI policy keeps them out of upstream | ISC (Martin Povišer) | `test/sv/Inputs/sv-elab/LICENSE` |
| sv-elab's `third_party/hashlib` | included by sv-elab's sources | public domain (Claire Xenia Wolf) | its file header |
| slang, the SystemVerilog compiler under sv-elab | https://github.com/MikePopoloski/slang `v12.0`: by default the prebuilt static library (nixpkgs' `sv-lang` at that tag, in the dev shell and the flake package); with `-Ddeps=source`, the tarball pinned in `build.zig.zon`, compiled. Not carried | MIT (Michael Popoloski); its vendored `boost_unordered.hpp`, `boost_concurrent.hpp` and `expected.hpp` BSL-1.0, `BS_thread_pool.hpp` MIT (per its `REUSE.toml`) | slang's `LICENSE` and `LICENSES/` (not carried) |
| {fmt} | https://github.com/fmtlib/fmt `12.2.0`, compiled into slang (`-Ddeps=source`, or the prebuilt slang's build) | MIT | {fmt}'s `LICENSE` (not carried) |
| boost.regex | https://github.com/MikePopoloski/regex `boost-1.91.0`, header-only, compiled into slang | BSL-1.0 | its `LICENSE_1_0.txt` (not carried) |
| toml++ | https://github.com/marzer/tomlplusplus `v3.4.0`, header-only, compiled into slang | MIT | its `LICENSE` (not carried) |
| libstdc++ and libgcc_eh (default configuration only) | GCC, the C++ compiler's own static runtime, linked into `tcy` | GPL-3.0-or-later with the GCC Runtime Library Exception 3.1 | GCC's `COPYING3` and `COPYING.RUNTIME` (not carried) |
| libc++, libc++abi and libunwind (`-Ddeps=source`; `tcy.wasm` also compiles parts of them into itself, build.md "WebAssembly") | LLVM, the sources Zig 0.16 ships in its `lib/` and compiles | Apache-2.0 WITH LLVM-exception (file headers) | `LICENSE.TXT` in Zig's `lib/libcxx`, `lib/libcxxabi`, `lib/libunwind` (not carried) |
| wasi-libc (`tcy.wasm` only) | the wasi-libc Zig 0.16 ships in `lib/libc/wasi`, with its emulated process clocks and `getpid` | Apache-2.0 WITH LLVM-exception, Apache-2.0 or MIT; its parts dlmalloc CC0, cloudlibc BSD-2-Clause, musl MIT | Zig's `lib/libc/wasi/LICENSE*` (not carried) |

## Carried in the repository

| path | upstream (commit) | licence | licence text |
|------|-------------------|---------|--------------|
| `test/yosys/Inputs/tt_um_atx_phased_interferometer.v` (also bench `interferometer`) | https://github.com/atx/tt-acoustic-interferometer (`6eb27404986c`), verbatim | Apache-2.0 | `tt_um_atx_phased_interferometer.LICENSE`, `.NOTICE` |
| `tools/bench/designs/murax/Murax.v` | VexRiscv Murax, https://github.com/ekliptik/VexRiscv (`00534dc4a84e`), SpinalHDL 1.9.4 output | MIT | `murax/LICENSE` |
| `tools/bench/designs/spinal-usb-ohci/UsbOhciWishbone.v` | SpinalHDL lib, https://github.com/SpinalHDL/SpinalHDL (`270018552577`, v1.9.4), generated | MIT (lib; the core, not carried, is LGPL-3.0) | `spinal-usb-ohci/LICENSE`, `NOTICE` |
| `tools/bench/designs/spinal-tilelink-cache/Cache.v` | SpinalHDL lib, same commit, generated (`Gen.scala` is ours) | MIT (lib; core LGPL-3.0, not carried) | `spinal-tilelink-cache/LICENSE`, `NOTICE` |
| `tools/bench/designs/chisel-gemmini-execute/execute_controller.sv.gz` | Gemmini (https://github.com/ucb-bar/gemmini) FIRRTL via https://github.com/opencompl/circt-sfc-experiments (`f683410ce27c`), firtool 1.103 output | BSD-3-Clause | `chisel-gemmini-execute/LICENSE`, `NOTICE` |
| `src/ext/liberty/testdata/sky130_seq.lib` | SkyWater SKY130 `sky130_fd_sc_hd__tt_025C_1v80.lib`, https://github.com/google/skywater-pdk-libs-sky130_fd_sc_hd (`ac7fb61f06e6`), modified: excerpt of 16 sequential cells | Apache-2.0 | `sky130_seq.LICENSE` |
| `test/sv/Inputs/sv-elab/*.sv` | sv-elab's unit test inputs, https://github.com/povik/sv-elab (`3e152133b9c2`) `tests/unit/`, verbatim: `complex_lhs`, `field`, `foreach`, `init`, `modport`, `port_conn`, `port_sext`, `static_element_select` | ISC (Martin Povišer) | `test/sv/Inputs/sv-elab/LICENSE` |
| `test/ice40/Inputs/xtea.v` (also bench `xtea`, fetched) | VTR (`a3e60c31bb43`), `vtr_flow/benchmarks/freecores/xtea.v`, verbatim | LGPL-2.1-or-later (file header, Copyright (C) 2006 David Johnson) | `test/ice40/Inputs/xtea.LICENSE` |
| `test/abc/Inputs/abc_speed_gia_only.script` | OpenROAD-flow-scripts (`3dc3b3b47cb7`), `flow/scripts/abc_speed_gia_only.script`, plus one origin comment line | BSD-3-Clause | `abc_speed_gia_only.LICENSE` |

Everything else under `test/**/Inputs/`, `src/ext/*/testdata/` and
`tools/yosys/` is hand-written or generated from our own designs.

## Fetched at a commit, not carried

`tools/bench/compare.py` fetches these into `$TCY_BENCH_CACHE`. Upstreams: ORFS =
https://github.com/The-OpenROAD-Project/OpenROAD-flow-scripts
(`8c0616910615`); VTR = https://github.com/verilog-to-routing/vtr-verilog-to-routing
(`a3e60c31bb43`); EPFL = https://github.com/lsils/benchmarks (`42c1f31b9fdd`).
The carried designs (`murax`, `spinal-*`, `chisel-gemmini-execute`,
`interferometer`) are in the table above.

| design | upstream | licence |
|--------|----------|---------|
| `aes` | ORFS `aes` | BSD-3-Clause (ASICs World Services `LICENSE`); headers carry an OpenCores notice |
| `blob-merge` | VTR `blob_merge.v` | unspecified |
| `coralnpu` | ORFS `coralnpu` | Apache-2.0 AND SHL-0.51 (`fakeram_*.sv` no header) |
| `croc` | https://github.com/pulp-platform/croc (`b44242be749d`), with its `ihp13/pdk` submodule, the IHP Open PDK (https://github.com/IHP-GmbH/IHP-Open-PDK, `035037f63128`), whose `sg13g2` liberty files the `ihp` variant reads and `croc-ihp` maps to | SHL-0.51 AND Apache-2.0 AND LGPL-2.1-or-later; the PDK Apache-2.0 |
| `cva6` | ORFS `cva6` | SHL-0.51 AND Apache-2.0 WITH SHL-2.0 AND Apache-2.0 WITH SHL-2.1 (`fakeram7_*.sv` no header) |
| `dynamic-node` | ORFS `dynamic_node` | BSD-3-Clause |
| `enet-core` | VTR `ultraembedded/enet_core.v` | Apache-2.0 |
| `epfl-hyp`, `epfl-mem-ctrl`, `epfl-multiplier`, `epfl-sin`, `epfl-voter` | EPFL | MIT |
| `ethmac` | ORFS `ethmac` | LGPL-2.1-or-later |
| `fazyrv` | https://github.com/meiniKi/FazyRV (`4aaf2436f5f9`) `rtl/` | MIT |
| `ibex` | ORFS `ibex_sv` | Apache-2.0 |
| `jpeg` | ORFS `jpeg` | BSD-3-Clause (ASICs World Services `LICENSE`); headers carry an OpenCores notice |
| `lenet` | VTR `koios/lenet.v` | MIT (Koios README); HLS sections say Xilinx "All Rights Reserved" |
| `md5` | VTR `Md5Core.v` | GPL-3.0-or-later |
| `megaboom` | https://github.com/The-OpenROAD-Project/megaboom (`c4a424ba7ca0`) | BSD-3-Clause |
| `mempool-group` | ORFS `mempool_group` | SHL-0.51 |
| `microwatt` | ORFS `microwatt` | CC-BY-4.0 AND LGPL-2.1-or-later |
| `mkdelayworker32b` | VTR `mkDelayWorker32B.v`, `primitives.v` | unspecified (Bluespec part); `generic_fifo_sc_*` carry an OpenCores notice |
| `mmc-core` | VTR `ultraembedded/mmc_core.v` | Apache-2.0 |
| `mock-cpu-fifo` | ORFS `fifo` | unspecified |
| `stereovision0` | VTR `stereovision0.v` | unspecified |
| `swerv` | ORFS `swerv`, nangate45 `cells_clkgate.v` | Apache-2.0 |
| `tdarknet-like-large` | VTR `koios/tdarknet_like.large.v` | MIT (Koios README); HLS sections say Xilinx "All Rights Reserved" |
| `tt-ay8913` | https://github.com/rejunity/tt05-psg-ay8913 (`7e30c9acfa72`) `src/` | Apache-2.0 |
| `usb-uart-core` | VTR `ultraembedded/usb_uart_core.v` | LGPL-2.1-or-later |
| `xtea` | VTR `freecores/xtea.v` | LGPL-2.1-or-later (file header, Copyright (C) 2006 David Johnson) |

## Tools the dev shell pulls in

Not redistributed; each under its own upstream licence: Yosys (ISC), ABC
(UC permission notice; Yosys's, which the flake also builds as
`yosys-abc.wasm`), nextpnr and IceStorm (ISC), Zig, Python lit and filecheck, wasmtime and wasmtime-py
(Apache-2.0 WITH LLVM-exception), Node.js, JDK 21 (all from nixpkgs); the sky130 `.lib` of `TCY_SKY130_LIB` from ORFS
(`b5dceb3c0839`; Apache-2.0 per the SkyWater repository); ELK 0.12.0 jars
and elkjs 0.12.0 (EPL-2.0 OR GPL-3.0-or-later, with EMF, Guava, Gson, Xtext,
Xtend under their POM licences); deck.gl 9.4.0 (MIT). The tutorial pages
link Google Fonts (IBM Plex Mono, Source Serif 4).
`zig build web` writes the browser page with `tcy.wasm` and copies of deck.gl, elkjs and `yosys-abc.wasm` (build.md, "WebAssembly"); publishing it redistributes them, and also `xtea.v` as an example and the sky130 `.lib` of `TCY_SKY130_LIB`, modified (`tools/wasm/trim_liberty.py`: the smallest drive strength of each cell, without power tables; the file says so at its top). The page carries this file and, under `licenses/` with the `index.html` its "Licences" link opens, the texts the packages carry (below), deck.gl's `LICENSE`, elkjs's `LICENSE.md`, `xtea.LICENSE` and the Apache-2.0 text of sky130_fd_sc_hd (`sky130_seq.LICENSE`).
`zig build packages` writes the npm and PyPI packages `tilcayo` (build.md, "Packages"). They redistribute `tcy.wasm`, which holds what "Linked into `tcy`" lists for `-Ddeps=source` and `tcy.wasm`, and `yosys-abc.wasm`: ABC with the components of its tree, libc++ and wasi-libc. Each package carries this file and, under `licenses/`, ABC's `copyright.txt` and the licence file of each component of its tree, those of the pinned dependencies (boost.regex's BSL-1.0 is slang's `LICENSES/BSL-1.0.txt`; hashlib is public domain) and those in Zig's `lib/` for libc++, libc++abi, libunwind and wasi-libc with its parts.

## Notes

The maintainer reviewed these on 2026-10-05 and found no action needed.

- No licence found: `blob-merge`, `stereovision0`, `mock-cpu-fifo`, the
  Bluespec part of `mkdelayworker32b`, the `fakeram*.sv` files of
  `coralnpu`, `cva6` and `mempool-group`.
- Mixed or conflicting: `aes`, `jpeg` (ORFS `LICENSE` vs OpenCores
  headers), `lenet`, `tdarknet-like-large` (Koios README vs Xilinx
  headers), `coralnpu`, `croc`, `cva6`, `microwatt`.
- Restrictive pre-release header in `lzc.sv`: `cva6`, `mempool-group`,
  `coralnpu`. Later published under Solderpad.
- Copyleft (GPL, LGPL, CC-BY) designs are inputs that `tcy` reads, not
  linked or distributed.
- `megaboom`'s `plusarg_reader.v` cites a missing `LICENSE.SiFive`.
- Read at upstream master, not the used commit: `microwatt`,
  `chisel-gemmini-execute` (its FIRRTL source repository has no licence).
- ORFS `sky130hd` has no licence file; EPFL's MIT names no holder.

cadical/LICENSE

MIT License

Copyright (c) 2016-2021 Armin Biere, Johannes Kepler University Linz, Austria
Copyright (c) 2020-2021 Mathias Fleury, Johannes Kepler University Linz, Austria
Copyright (c) 2020-2021 Nils Froleyks, Johannes Kepler University Linz, Austria
Copyright (c) 2022-2026 Katalin Fazekas, Vienna University of Technology, Austria
Copyright (c) 2021-2026 Armin Biere, University of Freiburg, Germany
Copyright (c) 2021-2026 Mathias Fleury, University of Freiburg, Germany
Copyright (c) 2023-2026 Florian Pollitt, University of Freiburg, Germany
Copyright (c) 2024-2026 Tobias Faller, University of Freiburg, Germany

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.

sv-elab/LICENSE

ISC License

Copyright Martin Povišer <povik@cutebit.org>

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

slang/LICENSE

Copyright (c) 2015-2026 Michael Popoloski

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.

slang/LICENSES/BSL-1.0.txt

Boost Software License - Version 1.0 - August 17th, 2003

Permission is hereby granted, free of charge, to any person or organization obtaining a copy of the software and accompanying documentation covered by this license (the "Software") to use, reproduce, display, distribute, execute, and transmit the Software, and to prepare derivative works of the Software, and to permit third-parties to whom the Software is furnished to do so, all subject to the following:

The copyright notices in the Software and this entire statement, including the above license grant, this restriction and the following disclaimer, must be included in all copies of the Software, in whole or in part, and all derivative works of the Software, unless such copies or derivative works are solely in the form of machine-executable object code generated by a source language processor.

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, TITLE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

slang/LICENSES/CC-BY-SA-3.0.txt

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fmt/LICENSE

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tomlplusplus/LICENSE

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libcxx/LICENSE.TXT

==============================================================================
The LLVM Project is under the Apache License v2.0 with LLVM Exceptions:
==============================================================================

                                 Apache License
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==============================================================================
Software from third parties included in the LLVM Project:
==============================================================================
The LLVM Project contains third party software which is under different license
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==============================================================================
Legacy LLVM License (https://llvm.org/docs/DeveloperPolicy.html#legacy):
==============================================================================

The libc++ library is dual licensed under both the University of Illinois
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to be used under both.

Full text of the relevant licenses is included below.

==============================================================================

University of Illinois/NCSA
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Copyright (c) 2009-2019 by the contributors listed in CREDITS.TXT

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==============================================================================

Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT

Permission is hereby granted, free of charge, to any person obtaining a copy
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libcxxabi/LICENSE.TXT

==============================================================================
The LLVM Project is under the Apache License v2.0 with LLVM Exceptions:
==============================================================================

                                 Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

    1. Definitions.

      "License" shall mean the terms and conditions for use, reproduction,
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      this License, each Contributor hereby grants to You a perpetual,
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      (b) You must cause any modified files to carry prominent notices
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    8. Limitation of Liability. In no event and under no legal theory,
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    9. Accepting Warranty or Additional Liability. While redistributing
      the Work or Derivative Works thereof, You may choose to offer,
      and charge a fee for, acceptance of support, warranty, indemnity,
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      defend, and hold each Contributor harmless for any liability
      incurred by, or claims asserted against, such Contributor by reason
      of your accepting any such warranty or additional liability.

    END OF TERMS AND CONDITIONS

    APPENDIX: How to apply the Apache License to your work.

      To apply the Apache License to your work, attach the following
      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
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---- LLVM Exceptions to the Apache 2.0 License ----

As an exception, if, as a result of your compiling your source code, portions
of this Software are embedded into an Object form of such source code, you
may redistribute such embedded portions in such Object form without complying
with the conditions of Sections 4(a), 4(b) and 4(d) of the License.

In addition, if you combine or link compiled forms of this Software with
software that is licensed under the GPLv2 ("Combined Software") and if a
court of competent jurisdiction determines that the patent provision (Section
3), the indemnity provision (Section 9) or other Section of the License
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prospectively choose to deem waived or otherwise exclude such Section(s) of
the License, but only in their entirety and only with respect to the Combined
Software.

==============================================================================
Software from third parties included in the LLVM Project:
==============================================================================
The LLVM Project contains third party software which is under different license
terms. All such code will be identified clearly using at least one of two
mechanisms:
1) It will be in a separate directory tree with its own `LICENSE.txt` or
   `LICENSE` file at the top containing the specific license and restrictions
   which apply to that software, or
2) It will contain specific license and restriction terms at the top of every
   file.

==============================================================================
Legacy LLVM License (https://llvm.org/docs/DeveloperPolicy.html#legacy):
==============================================================================

The libc++abi library is dual licensed under both the University of Illinois
"BSD-Like" license and the MIT license.  As a user of this code you may choose
to use it under either license.  As a contributor, you agree to allow your code
to be used under both.

Full text of the relevant licenses is included below.

==============================================================================

University of Illinois/NCSA
Open Source License

Copyright (c) 2009-2019 by the contributors listed in CREDITS.TXT

All rights reserved.

Developed by:

    LLVM Team

    University of Illinois at Urbana-Champaign

    http://llvm.org

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal with
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimers.

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      this list of conditions and the following disclaimers in the
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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
CONTRIBUTORS 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 WITH THE
SOFTWARE.

==============================================================================

Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT

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.

libunwind/LICENSE.TXT

==============================================================================
The LLVM Project is under the Apache License v2.0 with LLVM Exceptions:
==============================================================================

                                 Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

    1. Definitions.

      "License" shall mean the terms and conditions for use, reproduction,
      and distribution as defined by Sections 1 through 9 of this document.

      "Licensor" shall mean the copyright owner or entity authorized by
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      "You" (or "Your") shall mean an individual or Legal Entity
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      "Work" shall mean the work of authorship, whether in Source or
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      "Contribution" shall mean any work of authorship, including
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      this License, each Contributor hereby grants to You a perpetual,
      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      copyright license to reproduce, prepare Derivative Works of,
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    3. Grant of Patent License. Subject to the terms and conditions of
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      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      (except as stated in this section) patent license to make, have made,
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      meet the following conditions:

      (a) You must give any other recipients of the Work or
          Derivative Works a copy of this License; and

      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
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          the Derivative Works; and

      (d) If the Work includes a "NOTICE" text file as part of its
          distribution, then any Derivative Works that You distribute must
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      You may add Your own copyright statement to Your modifications and
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      for any such Derivative Works as a whole, provided Your use,
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    5. Submission of Contributions. Unless You explicitly state otherwise,
      any Contribution intentionally submitted for inclusion in the Work
      by You to the Licensor shall be under the terms and conditions of
      this License, without any additional terms or conditions.
      Notwithstanding the above, nothing herein shall supersede or modify
      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

    6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,
      except as required for reasonable and customary use in describing the
      origin of the Work and reproducing the content of the NOTICE file.

    7. Disclaimer of Warranty. Unless required by applicable law or
      agreed to in writing, Licensor provides the Work (and each
      Contributor provides its Contributions) on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
      PARTICULAR PURPOSE. You are solely responsible for determining the
      appropriateness of using or redistributing the Work and assume any
      risks associated with Your exercise of permissions under this License.

    8. Limitation of Liability. In no event and under no legal theory,
      whether in tort (including negligence), contract, or otherwise,
      unless required by applicable law (such as deliberate and grossly
      negligent acts) or agreed to in writing, shall any Contributor be
      liable to You for damages, including any direct, indirect, special,
      incidental, or consequential damages of any character arising as a
      result of this License or out of the use or inability to use the
      Work (including but not limited to damages for loss of goodwill,
      work stoppage, computer failure or malfunction, or any and all
      other commercial damages or losses), even if such Contributor
      has been advised of the possibility of such damages.

    9. Accepting Warranty or Additional Liability. While redistributing
      the Work or Derivative Works thereof, You may choose to offer,
      and charge a fee for, acceptance of support, warranty, indemnity,
      or other liability obligations and/or rights consistent with this
      License. However, in accepting such obligations, You may act only
      on Your own behalf and on Your sole responsibility, not on behalf
      of any other Contributor, and only if You agree to indemnify,
      defend, and hold each Contributor harmless for any liability
      incurred by, or claims asserted against, such Contributor by reason
      of your accepting any such warranty or additional liability.

    END OF TERMS AND CONDITIONS

    APPENDIX: How to apply the Apache License to your work.

      To apply the Apache License to your work, attach the following
      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

    Copyright [yyyy] [name of copyright owner]

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
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    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.


---- LLVM Exceptions to the Apache 2.0 License ----

As an exception, if, as a result of your compiling your source code, portions
of this Software are embedded into an Object form of such source code, you
may redistribute such embedded portions in such Object form without complying
with the conditions of Sections 4(a), 4(b) and 4(d) of the License.

In addition, if you combine or link compiled forms of this Software with
software that is licensed under the GPLv2 ("Combined Software") and if a
court of competent jurisdiction determines that the patent provision (Section
3), the indemnity provision (Section 9) or other Section of the License
conflicts with the conditions of the GPLv2, you may retroactively and
prospectively choose to deem waived or otherwise exclude such Section(s) of
the License, but only in their entirety and only with respect to the Combined
Software.

==============================================================================
Software from third parties included in the LLVM Project:
==============================================================================
The LLVM Project contains third party software which is under different license
terms. All such code will be identified clearly using at least one of two
mechanisms:
1) It will be in a separate directory tree with its own `LICENSE.txt` or
   `LICENSE` file at the top containing the specific license and restrictions
   which apply to that software, or
2) It will contain specific license and restriction terms at the top of every
   file.

==============================================================================
Legacy LLVM License (https://llvm.org/docs/DeveloperPolicy.html#legacy):
==============================================================================

The libunwind library is dual licensed under both the University of Illinois
"BSD-Like" license and the MIT license.  As a user of this code you may choose
to use it under either license.  As a contributor, you agree to allow your code
to be used under both.

Full text of the relevant licenses is included below.

==============================================================================

University of Illinois/NCSA
Open Source License

Copyright (c) 2009-2019 by the contributors listed in CREDITS.TXT

All rights reserved.

Developed by:

    LLVM Team

    University of Illinois at Urbana-Champaign

    http://llvm.org

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal with
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:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimers.

    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimers in the
      documentation and/or other materials provided with the distribution.

    * Neither the names of the LLVM Team, University of Illinois at
      Urbana-Champaign, nor the names of its contributors may be used to
      endorse or promote products derived from this Software without specific
      prior written permission.

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
CONTRIBUTORS 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 WITH THE
SOFTWARE.

==============================================================================

Copyright (c) 2009-2014 by the contributors listed in CREDITS.TXT

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.

wasi-libc/LICENSE

wasi-libc as a whole is multi-licensed under the
Apache License v2.0 with LLVM Exceptions, the Apache License v2.0, and
the MIT License. See the LICENSE-APACHE-LLVM, LICENSE-APACHE and LICENSE-MIT
files, respectively, for details.

Portions of this software are derived from third-party works covered by
their own licenses:

dlmalloc/                     - CC0; see the notice in malloc.c for details
emmalloc/                     - MIT; see the notice in emmalloc.c for details
libc-bottom-half/cloudlibc/   - BSD-2-Clause; see the LICENSE file for details
libc-top-half/musl/           - MIT; see the COPYRIGHT file for details

wasi-libc's changes to these files are multi-licensed under the
Apache License v2.0 with LLVM Exceptions, the Apache License v2.0,
the MIT License, and the original licenses of the third-party works.

wasi-libc/LICENSE-APACHE

                              Apache License
                        Version 2.0, January 2004
                     http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

1. Definitions.

   "License" shall mean the terms and conditions for use, reproduction,
   and distribution as defined by Sections 1 through 9 of this document.

   "Licensor" shall mean the copyright owner or entity authorized by
   the copyright owner that is granting the License.

   "Legal Entity" shall mean the union of the acting entity and all
   other entities that control, are controlled by, or are under common
   control with that entity. For the purposes of this definition,
   "control" means (i) the power, direct or indirect, to cause the
   direction or management of such entity, whether by contract or
   otherwise, or (ii) ownership of fifty percent (50%) or more of the
   outstanding shares, or (iii) beneficial ownership of such entity.

   "You" (or "Your") shall mean an individual or Legal Entity
   exercising permissions granted by this License.

   "Source" form shall mean the preferred form for making modifications,
   including but not limited to software source code, documentation
   source, and configuration files.

   "Object" form shall mean any form resulting from mechanical
   transformation or translation of a Source form, including but
   not limited to compiled object code, generated documentation,
   and conversions to other media types.

   "Work" shall mean the work of authorship, whether in Source or
   Object form, made available under the License, as indicated by a
   copyright notice that is included in or attached to the work
   (an example is provided in the Appendix below).

   "Derivative Works" shall mean any work, whether in Source or Object
   form, that is based on (or derived from) the Work and for which the
   editorial revisions, annotations, elaborations, or other modifications
   represent, as a whole, an original work of authorship. For the purposes
   of this License, Derivative Works shall not include works that remain
   separable from, or merely link (or bind by name) to the interfaces of,
   the Work and Derivative Works thereof.

   "Contribution" shall mean any work of authorship, including
   the original version of the Work and any modifications or additions
   to that Work or Derivative Works thereof, that is intentionally
   submitted to Licensor for inclusion in the Work by the copyright owner
   or by an individual or Legal Entity authorized to submit on behalf of
   the copyright owner. For the purposes of this definition, "submitted"
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   to the Licensor or its representatives, including but not limited to
   communication on electronic mailing lists, source code control systems,
   and issue tracking systems that are managed by, or on behalf of, the
   Licensor for the purpose of discussing and improving the Work, but
   excluding communication that is conspicuously marked or otherwise
   designated in writing by the copyright owner as "Not a Contribution."

   "Contributor" shall mean Licensor and any individual or Legal Entity
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2. Grant of Copyright License. Subject to the terms and conditions of
   this License, each Contributor hereby grants to You a perpetual,
   worldwide, non-exclusive, no-charge, royalty-free, irrevocable
   copyright license to reproduce, prepare Derivative Works of,
   publicly display, publicly perform, sublicense, and distribute the
   Work and such Derivative Works in Source or Object form.

3. Grant of Patent License. Subject to the terms and conditions of
   this License, each Contributor hereby grants to You a perpetual,
   worldwide, non-exclusive, no-charge, royalty-free, irrevocable
   (except as stated in this section) patent license to make, have made,
   use, offer to sell, sell, import, and otherwise transfer the Work,
   where such license applies only to those patent claims licensable
   by such Contributor that are necessarily infringed by their
   Contribution(s) alone or by combination of their Contribution(s)
   with the Work to which such Contribution(s) was submitted. If You
   institute patent litigation against any entity (including a
   cross-claim or counterclaim in a lawsuit) alleging that the Work
   or a Contribution incorporated within the Work constitutes direct
   or contributory patent infringement, then any patent licenses
   granted to You under this License for that Work shall terminate
   as of the date such litigation is filed.

4. Redistribution. You may reproduce and distribute copies of the
   Work or Derivative Works thereof in any medium, with or without
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wasi-libc/LICENSE-APACHE-LLVM

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   APPENDIX: How to apply the Apache License to your work.

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--- LLVM Exceptions to the Apache 2.0 License ----

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wasi-libc/LICENSE-MIT

Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
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wasi-libc/musl/COPYRIGHT

musl as a whole is licensed under the following standard MIT license:

----------------------------------------------------------------------
Copyright © 2005-2020 Rich Felker, et al.

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
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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
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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.
----------------------------------------------------------------------

Authors/contributors include:

A. Wilcox
Ada Worcester
Alex Dowad
Alex Suykov
Alexander Monakov
Andre McCurdy
Andrew Kelley
Anthony G. Basile
Aric Belsito
Arvid Picciani
Bartosz Brachaczek
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Daurnimator
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He X
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Luka Perkov
M Farkas-Dyck (Strake)
Mahesh Bodapati
Markus Wichmann
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Michael Forney
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Nicholas J. Kain
orc
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Pierre Carrier
Reini Urban
Rich Felker
Richard Pennington
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Segev Finer
Shiz
sin
Solar Designer
Stefan Kristiansson
Stefan O'Rear
Szabolcs Nagy
Timo Teräs
Trutz Behn
Valentin Ochs
Will Dietz
William Haddon
William Pitcock

Portions of this software are derived from third-party works licensed
under terms compatible with the above MIT license:

The TRE regular expression implementation (src/regex/reg* and
src/regex/tre*) is Copyright © 2001-2008 Ville Laurikari and licensed
under a 2-clause BSD license (license text in the source files). The
included version has been heavily modified by Rich Felker in 2012, in
the interests of size, simplicity, and namespace cleanliness.

Much of the math library code (src/math/* and src/complex/*) is
Copyright © 1993,2004 Sun Microsystems or
Copyright © 2003-2011 David Schultz or
Copyright © 2003-2009 Steven G. Kargl or
Copyright © 2003-2009 Bruce D. Evans or
Copyright © 2008 Stephen L. Moshier or
Copyright © 2017-2018 Arm Limited
and labelled as such in comments in the individual source files. All
have been licensed under extremely permissive terms.

The ARM memcpy code (src/string/arm/memcpy.S) is Copyright © 2008
The Android Open Source Project and is licensed under a two-clause BSD
license. It was taken from Bionic libc, used on Android.

The AArch64 memcpy and memset code (src/string/aarch64/*) are
Copyright © 1999-2019, Arm Limited.

The implementation of DES for crypt (src/crypt/crypt_des.c) is
Copyright © 1994 David Burren. It is licensed under a BSD license.

The implementation of blowfish crypt (src/crypt/crypt_blowfish.c) was
originally written by Solar Designer and placed into the public
domain. The code also comes with a fallback permissive license for use
in jurisdictions that may not recognize the public domain.

The smoothsort implementation (src/stdlib/qsort.c) is Copyright © 2011
Valentin Ochs and is licensed under an MIT-style license.

The x86_64 port was written by Nicholas J. Kain and is licensed under
the standard MIT terms.

The mips and microblaze ports were originally written by Richard
Pennington for use in the ellcc project. The original code was adapted
by Rich Felker for build system and code conventions during upstream
integration. It is licensed under the standard MIT terms.

The mips64 port was contributed by Imagination Technologies and is
licensed under the standard MIT terms.

The powerpc port was also originally written by Richard Pennington,
and later supplemented and integrated by John Spencer. It is licensed
under the standard MIT terms.

All other files which have no copyright comments are original works
produced specifically for use as part of this library, written either
by Rich Felker, the main author of the library, or by one or more
contibutors listed above. Details on authorship of individual files
can be found in the git version control history of the project. The
omission of copyright and license comments in each file is in the
interest of source tree size.

In addition, permission is hereby granted for all public header files
(include/* and arch/*/bits/*) and crt files intended to be linked into
applications (crt/*, ldso/dlstart.c, and arch/*/crt_arch.h) to omit
the copyright notice and permission notice otherwise required by the
license, and to use these files without any requirement of
attribution. These files include substantial contributions from:

Bobby Bingham
John Spencer
Nicholas J. Kain
Rich Felker
Richard Pennington
Stefan Kristiansson
Szabolcs Nagy

all of whom have explicitly granted such permission.

This file previously contained text expressing a belief that most of
the files covered by the above exception were sufficiently trivial not
to be subject to copyright, resulting in confusion over whether it
negated the permissions granted in the license. In the spirit of
permissive licensing, and of not having licensing issues being an
obstacle to adoption, that text has been removed.

wasi-libc/cloudlibc/LICENSE

Copyright (c) 2015-2017 Nuxi (https://nuxi.nl/) and contributors.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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wasi-libc/musl-fts/COPYING

Copyright (c) 1989, 1993
   The Regents of the University of California.  All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
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   documentation and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors
   may be used to endorse or promote products derived from this software
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

xtea/LICENSE

                  GNU LESSER GENERAL PUBLIC LICENSE
                       Version 2.1, February 1999

 Copyright (C) 1991, 1999 Free Software Foundation, Inc.
     59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

[This is the first released version of the Lesser GPL.  It also counts
 as the successor of the GNU Library Public License, version 2, hence
 the version number 2.1.]

                            Preamble

  The licenses for most software are designed to take away your
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^L
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elkjs/LICENSE.md

# Eclipse Public License - v 2.0

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## 1. DEFINITIONS

“Contribution” means:

-   a\) in the case of the initial Contributor, the initial content
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    -   i\) changes to the Program, and
    -   ii\) additions to the Program;

    where such changes and/or additions to the Program originate from
    and are Distributed by that particular Contributor. A Contribution
    “originates” from a Contributor if it was added to the Program by
    such Contributor itself or anyone acting on such Contributor's
    behalf. Contributions do not include changes or additions to the
    Program that are not Modified Works.

“Contributor” means any person or entity that Distributes the Program.

“Licensed Patents” mean patent claims licensable by a Contributor which
are necessarily infringed by the use or sale of its Contribution alone
or when combined with the Program.

“Program” means the Contributions Distributed in accordance with this
Agreement.

“Recipient” means anyone who receives the Program under this Agreement
or any Secondary License (as applicable), including Contributors.

“Derivative Works” shall mean any work, whether in Source Code or other
form, that is based on (or derived from) the Program and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship.

“Modified Works” shall mean any work in Source Code or other form that
results from an addition to, deletion from, or modification of the
contents of the Program, including, for purposes of clarity any new file
in Source Code form that contains any contents of the Program. Modified
Works shall not include works that contain only declarations,
interfaces, types, classes, structures, or files of the Program solely
in each case in order to link to, bind by name, or subclass the Program
or Modified Works thereof.

“Distribute” means the acts of a) distributing or b) making available in
any manner that enables the transfer of a copy.

“Source Code” means the form of a Program preferred for making
modifications, including but not limited to software source code,
documentation source, and configuration files.

“Secondary License” means either the GNU General Public License, Version
2.0, or any later versions of that license, including any exceptions or
additional permissions as identified by the initial Contributor.

## 2. GRANT OF RIGHTS

-   a\) Subject to the terms of this Agreement, each Contributor hereby
    grants Recipient a non-exclusive, worldwide, royalty-free copyright
    license to reproduce, prepare Derivative Works of, publicly display,
    publicly perform, Distribute and sublicense the Contribution of such
    Contributor, if any, and such Derivative Works.
-   b\) Subject to the terms of this Agreement, each Contributor hereby
    grants Recipient a non-exclusive, worldwide, royalty-free patent license
    under Licensed Patents to make, use, sell, offer to sell, import and
    otherwise transfer the Contribution of such Contributor, if any, in
    Source Code or other form. This patent license shall apply to the
    combination of the Contribution and the Program if, at the time the
    Contribution is added by the Contributor, such addition of the
    Contribution causes such combination to be covered by the
    Licensed Patents. The patent license shall not apply to any other
    combinations which include the Contribution. No hardware per se is
    licensed hereunder.
-   c\) Recipient understands that although each Contributor grants the
    licenses to its Contributions set forth herein, no assurances are
    provided by any Contributor that the Program does not infringe the
    patent or other intellectual property rights of any other entity. Each
    Contributor disclaims any liability to Recipient for claims brought by
    any other entity based on infringement of intellectual property rights
    or otherwise. As a condition to exercising the rights and licenses
    granted hereunder, each Recipient hereby assumes sole responsibility to
    secure any other intellectual property rights needed, if any. For
    example, if a third party patent license is required to allow Recipient
    to Distribute the Program, it is Recipient's responsibility to acquire
    that license before distributing the Program.
-   d\) Each Contributor represents that to its knowledge it has sufficient
    copyright rights in its Contribution, if any, to grant the copyright
    license set forth in this Agreement.
-   e\) Notwithstanding the terms of any Secondary License, no Contributor
    makes additional grants to any Recipient (other than those set forth in
    this Agreement) as a result of such Recipient's receipt of the Program
    under the terms of a Secondary License (if permitted under the terms of
    Section 3).

## 3. REQUIREMENTS

3.1 If a Contributor Distributes the Program in any form, then:

-   a\) the Program must also be made available as Source Code, in accordance
    with section 3.2, and the Contributor must accompany the Program with a
    statement that the Source Code for the Program is available under this
    Agreement, and informs Recipients how to obtain it in a reasonable
    manner on or through a medium customarily used for software exchange;
    and
-   b\) the Contributor may Distribute the Program under a license different
    than this Agreement, provided that such license:
    -   i\) effectively disclaims on behalf of all other Contributors all
        warranties and conditions, express and implied, including warranties or
        conditions of title and non-infringement, and implied warranties or
        conditions of merchantability and fitness for a particular purpose;
    -   ii\) effectively excludes on behalf of all other Contributors all
        liability for damages, including direct, indirect, special, incidental
        and consequential damages, such as lost profits;
    -   iii\) does not attempt to limit or alter the recipients' rights in the
        Source Code under section 3.2; and
    -   iv\) requires any subsequent distribution of the Program by any party to
        be under a license that satisfies the requirements of this section 3.

3.2 When the Program is Distributed as Source Code:

-   a\) it must be made available under this Agreement, or if the Program (i)
    is combined with other material in a separate file or files made
    available under a Secondary License, and (ii) the initial Contributor
    attached to the Source Code the notice described in Exhibit A of this
    Agreement, then the Program may be made available under the terms of
    such Secondary Licenses, and
-   b\) a copy of this Agreement must be included with each copy of
    the Program.

3.3 Contributors may not remove or alter any copyright, patent,
trademark, attribution notices, disclaimers of warranty, or limitations
of liability (‘notices’) contained within the Program from any copy of
the Program which they Distribute, provided that Contributors may add
their own appropriate notices.

## 4. COMMERCIAL DISTRIBUTION

Commercial distributors of software may accept certain responsibilities
with respect to end users, business partners and the like. While this
license is intended to facilitate the commercial use of the Program, the
Contributor who includes the Program in a commercial product offering
should do so in a manner which does not create potential liability for
other Contributors. Therefore, if a Contributor includes the Program in
a commercial product offering, such Contributor (“Commercial
Contributor”) hereby agrees to defend and indemnify every other
Contributor (“Indemnified Contributor”) against any losses, damages and
costs (collectively “Losses”) arising from claims, lawsuits and other
legal actions brought by a third party against the Indemnified
Contributor to the extent caused by the acts or omissions of such
Commercial Contributor in connection with its distribution of the
Program in a commercial product offering. The obligations in this
section do not apply to any claims or Losses relating to any actual or
alleged intellectual property infringement. In order to qualify, an
Indemnified Contributor must: a) promptly notify the Commercial
Contributor in writing of such claim, and b) allow the Commercial
Contributor to control, and cooperate with the Commercial Contributor
in, the defense and any related settlement negotiations. The Indemnified
Contributor may participate in any such claim at its own expense.

For example, a Contributor might include the Program in a commercial
product offering, Product X. That Contributor is then a Commercial
Contributor. If that Commercial Contributor then makes performance
claims, or offers warranties related to Product X, those performance
claims and warranties are such Commercial Contributor's responsibility
alone. Under this section, the Commercial Contributor would have to
defend claims against the other Contributors related to those
performance claims and warranties, and if a court requires any other
Contributor to pay any damages as a result, the Commercial Contributor
must pay those damages.

## 5. NO WARRANTY {#warranty}

EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT
PERMITTED BY APPLICABLE LAW, THE PROGRAM IS PROVIDED ON AN “AS IS”
BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR
IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF
TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. Each Recipient is solely responsible for determining the
appropriateness of using and distributing the Program and assumes all
risks associated with its exercise of rights under this Agreement,
including but not limited to the risks and costs of program errors,
compliance with applicable laws, damage to or loss of data, programs or
equipment, and unavailability or interruption of operations.

## 6. DISCLAIMER OF LIABILITY {#disclaimer}

EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT
PERMITTED BY APPLICABLE LAW, NEITHER RECIPIENT NOR ANY CONTRIBUTORS
SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST
PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE
EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.

## 7. GENERAL

If any provision of this Agreement is invalid or unenforceable under
applicable law, it shall not affect the validity or enforceability of
the remainder of the terms of this Agreement, and without further action
by the parties hereto, such provision shall be reformed to the minimum
extent necessary to make such provision valid and enforceable.

If Recipient institutes patent litigation against any entity (including
a cross-claim or counterclaim in a lawsuit) alleging that the Program
itself (excluding combinations of the Program with other software or
hardware) infringes such Recipient's patent(s), then such Recipient's
rights granted under Section 2(b) shall terminate as of the date such
litigation is filed.

All Recipient's rights under this Agreement shall terminate if it fails
to comply with any of the material terms or conditions of this Agreement
and does not cure such failure in a reasonable period of time after
becoming aware of such noncompliance. If all Recipient's rights under
this Agreement terminate, Recipient agrees to cease use and distribution
of the Program as soon as reasonably practicable. However, Recipient's
obligations under this Agreement and any licenses granted by Recipient
relating to the Program shall continue and survive.

Everyone is permitted to copy and distribute copies of this Agreement,
but in order to avoid inconsistency the Agreement is copyrighted and may
only be modified in the following manner. The Agreement Steward reserves
the right to publish new versions (including revisions) of this
Agreement from time to time. No one other than the Agreement Steward has
the right to modify this Agreement. The Eclipse Foundation is the
initial Agreement Steward. The Eclipse Foundation may assign the
responsibility to serve as the Agreement Steward to a suitable separate
entity. Each new version of the Agreement will be given a distinguishing
version number. The Program (including Contributions) may always be
Distributed subject to the version of the Agreement under which it was
received. In addition, after a new version of the Agreement is
published, Contributor may elect to Distribute the Program (including
its Contributions) under the new version.

Except as expressly stated in Sections 2(a) and 2(b) above, Recipient
receives no rights or licenses to the intellectual property of any
Contributor under this Agreement, whether expressly, by implication,
estoppel or otherwise. All rights in the Program not expressly granted
under this Agreement are reserved. Nothing in this Agreement is intended
to be enforceable by any entity that is not a Contributor or Recipient.
No third-party beneficiary rights are created under this Agreement.

## Exhibit A – Form of Secondary Licenses Notice {#exhibit-a}

“This Source Code may also be made available under the following
Secondary Licenses when the conditions for such availability set forth
in the Eclipse Public License, v. 2.0 are satisfied: GNU General Public License v3.0 or later”

> Simply including a copy of this Agreement, including this Exhibit A is
> not sufficient to license the Source Code under Secondary Licenses.
>
> If it is not possible or desirable to put the notice in a particular
> file, then You may include the notice in a location (such as a LICENSE
> file in a relevant directory) where a recipient would be likely to
> look for such a notice.
>
> You may add additional accurate notices of copyright ownership.

abc/copyright.txt

ABC: System for Sequential Synthesis and Verification

http://www.eecs.berkeley.edu/~alanmi/abc/


Copyright (c) The Regents of the University of California. All rights reserved.

Permission is hereby granted, without written agreement and without license or
royalty fees, to use, copy, modify, and distribute this software and its
documentation for any purpose, provided that the above copyright notice and
the following two paragraphs appear in all copies of this software.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

abc/src/bdd/cudd/license

Copyright (c) 1995-2004, Regents of the University of Colorado

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.

Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.

Neither the name of the University of Colorado nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

abc/src/misc/btor/LICENSE.txt

The Btor2Tools package provides a generic parser and tools for the BTOR2 format.

Copyright (c) 2012-2018 Armin Biere.
Copyright (c) 2013-2018 Mathias Preiner.
Copyright (c) 2015-2018 Aina Niemetz.

MIT License

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.

abc/src/misc/bzlib/LICENSE

--------------------------------------------------------------------------

This program, "bzip2", the associated library "libbzip2", and all
documentation, are copyright (C) 1996-2007 Julian R Seward.  All
rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

2. The origin of this software must not be misrepresented; you must 
   not claim that you wrote the original software.  If you use this 
   software in a product, an acknowledgment in the product 
   documentation would be appreciated but is not required.

3. Altered source versions must be plainly marked as such, and must
   not be misrepresented as being the original software.

4. The name of the author may not be used to endorse or promote 
   products derived from this software without specific prior written 
   permission.

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Julian Seward, jseward@bzip.org
bzip2/libbzip2 version 1.0.5 of 10 December 2007

--------------------------------------------------------------------------

abc/src/misc/zlib/license

Copyright notice:

 (C) 1995-2010 Jean-loup Gailly and Mark Adler

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.

  Jean-loup Gailly        Mark Adler
  jloup@gzip.org          madler@alumni.caltech.edu

If you use the zlib library in a product, we would appreciate *not* receiving
lengthy legal documents to sign.  The sources are provided for free but without
warranty of any kind.  The library has been entirely written by Jean-loup
Gailly and Mark Adler; it does not include third-party code.

If you redistribute modified sources, we would appreciate that you include in
the file ChangeLog history information documenting your changes.  Please read
the FAQ for more information on the distribution of modified source versions.

abc/src/sat/bsat/license

MiniSat -- Copyright (c) 2005, Niklas Sorensson

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.

abc/src/sat/bsat2/LICENSE

MiniSat -- Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
           Copyright (c) 2007-2010  Niklas Sorensson

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.

abc/src/sat/cadical/LICENSE

MIT License

Copyright (c) 2016-2021 Armin Biere, Johannes Kepler University Linz, Austria
Copyright (c) 2020-2021 Mathias Fleury, Johannes Kepler University Linz, Austria
Copyright (c) 2020-2021 Nils Froleyks, Johannes Kepler University Linz, Austria
Copyright (c) 2022-2024 Katalin Fazekas, Vienna University of Technology, Austria
Copyright (c) 2021-2024 Armin Biere, University of Freiburg, Germany
Copyright (c) 2021-2024 Mathias Fleury, University of Freiburg, Germany
Copyright (c) 2023-2024 Florian Pollitt, University of Freiburg, Germany
Copyright (c) 2024-2024 Tobias Faller, University of Freiburg, Germany

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.

abc/src/sat/glucose/license

---------------

Glucose -- Copyright (c) 2013, Gilles Audemard, Laurent Simon
                               CRIL - Univ. Artois, France
                               LRI  - Univ. Paris Sud, France

Glucose sources are based on MiniSat (see below MiniSat copyrights). Permissions
and copyrights of Glucose are exactly the same as Minisat on which it is based
on. (see below).

---------------

Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
Copyright (c) 2007-2010, Niklas Sorensson

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.
*******************************************************************************/

abc/src/sat/glucose2/license

---------------

Glucose -- Copyright (c) 2013, Gilles Audemard, Laurent Simon
                               CRIL - Univ. Artois, France
                               LRI  - Univ. Paris Sud, France

Glucose sources are based on MiniSat (see below MiniSat copyrights). Permissions
and copyrights of Glucose are exactly the same as Minisat on which it is based
on. (see below).

---------------

Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
Copyright (c) 2007-2010, Niklas Sorensson

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.
*******************************************************************************/

abc/src/sat/kissat/LICENSE

Copyright (c) 2021-2024 Armin Biere, University of Freiburg, Germany
Copyright (c) 2019-2021 Armin Biere, Johannes Kepler University Linz, Austria

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.

abc/src/sat/satoko/LICENSE

Copyright 2017, Bruno Schmitt - UC Berkeley / UFRGS (bruno@oschmitt.com)

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

abc/src/sat/xsat/license

xSAT - Copyright (c) 2016, Bruno Schmitt - UC Berkeley / UFRGS (boschmitt@inf.ufrgs.br)

xSAT is based on Glucose v3(see Glucose copyrights below) and ABC C version of
MiniSat (bsat) developed by Niklas Sorensson and modified by Alan Mishchenko.
Permissions and copyrights of xSAT are exactly the same as Glucose v3/Minisat.
(see below).

---------------

Glucose -- Copyright (c) 2013, Gilles Audemard, Laurent Simon
                               CRIL - Univ. Artois, France
                               LRI  - Univ. Paris Sud, France

Glucose sources are based on MiniSat (see below MiniSat copyrights). Permissions
and copyrights of Glucose are exactly the same as Minisat on which it is based
on. (see below).

---------------

Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
Copyright (c) 2007-2010, Niklas Sorensson

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.
*******************************************************************************/