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COPYING
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COPYING
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This file summarizes the basic licenses that apply to
the different parts of the project.
Key Licenses:
3-Clause BSD (see data/distr/LICENSE.BSD)
GPLv2+ (see data/distr/LICENSE.GPL)
LGPL (see data/distr/LICENSE.LGPL)
Basic Engine Components:
Dependencies:
* OpenAL (default, openAL-soft, LGPL)
* PNG (+Zlib, Zlib License)
* Freetype (BSD-like FT license or GPLv2)
* SQLite3 (Public Domain)
External Projects included or referenced:
external/kissfft - 3-Clause BSD, (c) Mark Borgerdin
external/hidapi - 3-Clause BSD, (c) Alan Ott
engine/* 3-Claused BSD with exceptions / attribution as follows:
/arcan_lua.c - GPLv2 as an artifical restriction
plan is to relicense as BSD with 1.0 release.
/arcan_ttf.* - Derived version from Sam Lantingas SDL_ttf (Zlib license)
/arcan_math.c - public domain
/arcan_math_simd.c - public domain
CMakeLists, platform/CMakeLists.* 3-Clause BSD
platform/agp/ 3-Clause BSD, Public Domain
platform/arcan/ 3-Clause BSD
platform/darwin/ 3-Clause BSD, Public Domain
platform/stub/ Public Domain
platform/cmake/ individually licensed, picked from various projects
frameserver/graphing/ 3-Clause BSD
frameserver/ntsc/ LGPL (affects highjack- library and libretro- frameserver)
frameserver/resampler 3-Clause BSD
frameserver/shl Public Domain (David Herrmann)
shmif/ 3-Clause BSD
shmif/tui 3-Clause BSD, MIT, LGPLv2+(shl_hash)
Terminus Font, uses SIL OPEN FONT LICENSE 1.1 (scripts.sil.org/OFL)
Copyright 2012 Dimitar Toshkov Zhekov
Copyright 2013 Kim Silkebaekken, Nikolay Pavlov, Carl X Su
hijack/ 3-Clause BSD, Public Domain
doc/* and media files in data/resources CC-BY-30
tools/netproxy/ See individual README.md
examples/ Public Domain
tests/ Public Domain
distr/scripts/builtin/json.lua MIT (c) 2019 rxi (github.com/rxi)
distr/scripts/ Public Domain
Specific Platforms:
SDL: (dependency) SDL1.2/SDL2, LGPL.
EGL-DRI: (dependency) GLES, OpenGL3 or GLES3
LWA: LGPL- tainted build, as we statically link a modified openAL-soft backend
Default Frameservers:
net-cl, net-srv, net-shared, 3-Clause BSD (depends: libapr (apache licensed))
libretro, GPLv2+ (depends: blarrg NTSC)
encode, 3-Clause BSD (depends: FFMPEG, GPLv2+ licensed)
decode-vlc, 3-Clause BSD (depends: libvlc-, LGPL)
remoting, 3-Clause BSD (depends: libvncserver, GPLv2+)
terminal, MIT (see COPYING in terminal/default/tsm), manually included dep.)
srcery-colorscheme, MIT