Licences of what is in this SDK

Mizu's own files (koi.h, koicc, koi-gcc, the helpers): MIT, mizu-sdk.txt.
Programs you build with them are yours.

The libraries in libc/lib, built unchanged from their releases:
  musl 1.2.5 ............. musl.txt (MIT)
  zlib 1.3.2 ............. zlib.txt
  libpng 1.6.59 .......... libpng.txt
  libjpeg-turbo 3.2.0 .... libjpeg-turbo.md, libjpeg-turbo-README.ijg
  expat 2.9.0 ............ expat.txt (MIT)
  FreeType 2.14.3 ........ freetype.txt, freetype-FTL.txt (FTL chosen)
  Mbed TLS 3.6.7 ......... mbedtls.txt (Apache 2.0)
  curl 8.22.0 ............ curl.txt
  FFmpeg 8.1.3 ........... ffmpeg.md, ffmpeg-LGPLv2.1.txt (LGPL 2.1 or later;
                           built without GPL or non-free parts)
  libgcc ................. GCC, GPL 3 with the GCC Runtime Library Exception:
                           https://www.gnu.org/licenses/gcc-exception-3.1.html
  ncurses 6.6 ............ ncurses.txt (MIT-style, X11)
  SDL 2.30.9 ............. sdl2.txt (zlib); its Mizu drivers are part of it
  Mesa 24.3.4 ............ mesa.rst, mesa-MIT.txt (MIT): libOSMesa.a, libGL.a
  LLVM 18.1.8 ............ llvm.txt (Apache 2.0 with LLVM exceptions), inside
                           libOSMesa.a for llvmpipe
  libdrm 2.4.123 ......... libdrm.txt (MIT)
  libmad 0.15.1b ......... libmad.txt (GPL 2 or later: a program linking it is GPL)
  libogg 1.3.5 ........... libogg.txt (BSD)
  libvorbis 1.3.7 ........ libvorbis.txt (BSD)
  libFLAC 1.4.3 .......... libflac.txt (BSD)
  Opus 1.5.2, opusfile 0.12  opus.txt, opusfile.txt (BSD)
  libstdc++, libgcc 14.3 . GCC, GPL 3 with the GCC Runtime Library Exception:
                           a program built with them is yours to licence
  minimp3.h .............. public domain (CC0)

A program that links FFmpeg statically must let its users relink it with
another FFmpeg (LGPL section 6), for example by shipping its object files.
How each library was built: ports/*/build.sh in Mizu's source,
https://git.koiayame.com/koiayame/Mizu
