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History

刘皓 fd822ea498 Don't seed the Ruby PRNG with the system time in libretro builds This allows libretro save states to actually behave the same every time you load them with respect to when randomly generated events occur and the random movements that NPCs make.		2025-07-06 12:27:46 -04:00
..
.gitignore	Change some of the nomenclature in libretro builds	2025-02-14 12:05:30 -05:00
indexer.cpp	Read in `std::ios::binary` mode in indexer.cpp	2025-05-30 17:54:06 -04:00
link.T	Change some of the nomenclature in libretro builds	2025-02-14 12:05:30 -05:00
Makefile	Don't seed the Ruby PRNG with the system time in libretro builds	2025-07-06 12:27:46 -04:00
meson-3ds.txt	Move Meson cross files for static libretro builds into libretro directory	2025-06-04 00:12:55 -04:00
meson-emscripten.txt	Move Meson cross files for static libretro builds into libretro directory	2025-06-04 00:12:55 -04:00
meson-ps3.txt	Move Meson cross files for static libretro builds into libretro directory	2025-06-04 00:12:55 -04:00
meson-switch.txt	Move Meson cross files for static libretro builds into libretro directory	2025-06-04 00:12:55 -04:00
meson-vita.txt	Move Meson cross files for static libretro builds into libretro directory	2025-06-04 00:12:55 -04:00
meson-wiiu.txt	Move Meson cross files for static libretro builds into libretro directory	2025-06-04 00:12:55 -04:00
README.md	Remove base ruby build from libretro/Makefile	2025-06-15 22:36:24 -04:00
ruby-bindings.h	Fix type of `mkxp_sandbox_cwd` in libretro/ruby-bindings.h	2025-05-24 10:11:21 -04:00
ruby-compat.patch	Apply patches from https://github.com/mkxp-z/ruby in libretro builds	2025-04-10 14:00:32 -04:00
ruby-jump-buffer.patch	Fix memory leak in `cont_restore_thread` in Ruby in libretro builds	2025-04-21 11:16:21 -04:00
ruby-prng-time.patch	Don't seed the Ruby PRNG with the system time in libretro builds	2025-07-06 12:27:46 -04:00
ruby-stack-pointer.patch	Rework the patches for Ruby WASI memory leaks	2025-04-20 11:56:50 -04:00
sandbox-bindgen.rb	Remove designated initializers	2025-05-27 21:28:29 -04:00

README.md

The build process for the libretro core is divided into two stages.

Stage 1

All the files produced by this stage are platform-agnostic, so you can run this build stage on any computer, regardless of which operating system or CPU architecture the libretro core is for.

Required software:

C and C++ compilers
GNU Make
GNU Autotools
GNU Bison
Git
curl
Info-ZIP's Zip (the zip package found in many package managers)
WASI SDK (currently you need WASI SDK version 21; later versions don't work yet)
Binaryen
Either Universal Ctags or Exuberant Ctags
Ruby (any reasonably recent version)

Go to the directory that this README.md is in and run this command, filling in the paths to WASI SDK, wasm-opt from Binaryen and ctags from Universal Ctags or Exuberant Ctags accordingly:

make WASI_SDK=/path/to/wasi-sdk WASM_OPT=/path/to/binaryen/bin/wasm-opt CTAGS=/path/to/ctags

This will produce the directory "libretro/build/libretro-stage1".

Stage 2

This stage produces the actual core file.

Required software:

C and C++ compilers
Git
Meson
Ninja
CMake

No software libraries are required other than the system libraries.

Go to the root directory of this repository and run:

meson setup build -Dlibretro=true
cd build
ninja