Rtinycc bundles TinyCC as a vendored third-party component.

Bundled component: TinyCC
Upstream repository: https://github.com/TinyCC/tinycc
Vendored source archive: src/tinycc-34eed88.tar.gz
Vendored commit: 34eed88a70fc8238cd5b623cc96b8bf0e40392ed

TinyCC copyright:
- Fabrice Bellard
- TinyCC contributors and copyright holders

TinyCC licensing:
- The bundled TinyCC source archive includes a COPYING file stating the
  GNU Lesser General Public License, version 2.1.
- See the upstream source archive and repository for the complete TinyCC
  license text and notices.

Rtinycc package licensing:
- The Rtinycc package code is licensed under GPL (>= 3), as declared in
  DESCRIPTION.
- This notice documents the bundled TinyCC component and does not modify
  the license terms declared for the Rtinycc package itself.

Adapted component: vignette knitr engine helper
Upstream repository: https://github.com/coolbutuseless/callme
Upstream source file: R/knitr-engine.R

Upstream copyright:
- Mike Cheng

Upstream licensing:
- The original `callme` knitr engine is distributed under the MIT license.
- Rtinycc includes an adapted version of that helper for vignette rendering.
- The adapted helper is distributed as part of the GPL (>= 3) Rtinycc package,
  compatible with the upstream MIT terms.
