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SDL2 for the Nintendo Wii U (build with "cmake [SDL source path] -DCMAKE_TOOLCHAIN_FILE=$WUT_ROOT/share/wut.toolchain.cmake -DCMAKE_INSTALL_PREFIX=$DEVKITPRO/portlibs/wiiu")
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Sam Lantinga 187708e542 Fixed compiler warning 
```
 ./src/thread/pthread/SDL_syssem.c:140:12: warning: variable 'retval' is used uninitialized whenever 'while' loop exits because its condition is false [-Wsometimes-uninitialized]
    while (sem_trywait(&sem->sem) != 0) {
           ^~~~~~~~~~~~~~~~~~~~~~~~~~~
./src/thread/pthread/SDL_syssem.c:149:12: note: uninitialized use occurs here
    return retval;
           ^~~~~~
./src/thread/pthread/SDL_syssem.c:140:12: note: remove the condition if it is always true
    while (sem_trywait(&sem->sem) != 0) {
```

This was a legitimate bug, thank you clang!

Fixes https://github.com/libsdl-org/SDL/issues/6830

(cherry picked from commit b678a9802435152324e0603055e4bb190d0ae526)
2022-12-17 06:59:19 -08:00
.github ci: Disable emscripten build time tests 2022-11-16 15:42:08 +01:00
acinclude autotools: revised and silenced esound detection a bit. 2022-09-24 20:01:04 +03:00
android-project Android audio device selection (#6824) 2022-12-16 16:38:57 +01:00
android-project-ant Added the old ant Android build project structure 2017-10-28 12:11:25 -07:00
build-scripts Update for SDL3 coding style (#6717) 2022-11-30 12:57:41 -08:00
cmake cmake: use FindALSA.cmake to find ALSA library 2022-12-11 23:23:45 +01:00
docs N3DS: Backport semaphore fixes from #6776. 2022-12-11 17:09:28 -08:00
include Android audio device selection (#6824) 2022-12-16 16:38:57 +01:00
mingw/pkg-support/cmake cmake: else() does not need an argument 2022-10-20 13:29:35 +02:00
src Fixed compiler warning 2022-12-17 06:59:19 -08:00
test testime.c: fix wrong {} in switch 2022-12-15 14:39:05 +01:00
VisualC Added simple BLE Steam Controller support on all platforms 2022-11-10 19:17:04 -08:00
VisualC-GDK Cleanup add brace (#6545) 2022-11-28 12:33:03 -08:00
VisualC-WinRT Move SDL_mslibc.c into the source file list 2022-11-13 11:09:38 -08:00
visualtest Remove unneeded semicolon 2022-11-17 10:43:45 +01:00
wayland-protocols Support wayland fractional scale protocol 2022-11-29 16:37:02 -05:00
Xcode Update SDL info and Xcode marketing version to 2.27.0 2022-11-22 09:19:21 -08:00
Xcode-iOS/Demos Cleanup add brace (#6545) 2022-11-28 12:33:03 -08:00
.clang-format Commented out syntax that causes Visual Studio 2019 to complain on every edit 2022-12-02 00:43:46 -08:00
.editorconfig .editorconfig: Use correct path for wayland-protocols 2022-08-23 06:28:04 -07:00
.gitignore cmake: use FindALSA.cmake to find ALSA library 2022-12-11 23:23:45 +01:00
.wikiheaders-options .wikiheaders-options: Move SDL2 documentation to a subdirectory. 2022-11-22 13:05:08 -05:00
Android.mk android.mk: LOCAL_EXPORT_C_INCLUDES does not need to add include subfolder 2022-11-22 09:41:23 -08:00
autogen.sh Simplified autogen.sh, thanks to @smcv for the tip 2022-05-05 11:54:24 -07:00
BUGS.txt Cleaned up a few more Bugzilla mentions. 2021-02-12 14:46:49 -05:00
cmake_uninstall.cmake.in Fixed bug 3867 - Can't find install_manifest.txt when running 'uninstall' target 2017-10-12 08:44:45 -07:00
CMakeLists.txt cmake: use FindALSA.cmake to find ALSA library 2022-12-11 23:23:45 +01:00
configure cmake: use FindALSA.cmake to find ALSA library 2022-12-11 23:23:45 +01:00
configure.ac cmake: use FindALSA.cmake to find ALSA library 2022-12-11 23:23:45 +01:00
CREDITS.txt Fixed crash if initialization of EGL failed but was tried again later. 2015-06-21 17:33:46 +02:00
INSTALL.txt INSTALL.txt: Say "macOS" instead of "Mac OS X" in modern times. 2022-03-15 13:07:55 -04:00
LICENSE.txt Updated copyright for 2022 2022-01-03 09:40:21 -08:00
Makefile.in added missing FGREP to Makefile.in. fixed syntax. regenerated configure. 2022-11-24 17:00:20 +03:00
Makefile.minimal build libSDL2_test too with Makefile.minimal 2021-11-14 01:10:32 +03:00
Makefile.os2 Updated to version 2.27.0 for development 2022-11-21 16:36:10 -08:00
Makefile.pandora more fixes to standalone makefiles. 2021-11-13 21:56:20 +03:00
Makefile.w32 Updated to version 2.27.0 for development 2022-11-21 16:36:10 -08:00
README-SDL.txt More HTTPS changes in the documentation. 2017-02-16 16:52:03 -05:00
README.md Update and rename README.txt to README.md 2021-03-20 18:46:37 -04:00
sdl2-config-version.cmake.in Add documentation to autotoo'ls sdl2-config-version.cmake.in 2022-05-31 00:10:55 +02:00
sdl2-config.cmake.in cmake: only add -Wl,--undefined=WinMain when building an executable 2022-09-27 07:00:02 +03:00
sdl2-config.in Revert "sdl2-config.in: Deprecate sdl2-config" 2022-11-18 06:53:13 -08:00
sdl2.m4 Revert "sdl2.m4: Deprecate AM_PATH_SDL2 in favour of PKG_CHECK_MODULES" 2022-11-18 06:52:12 -08:00
sdl2.pc.in cmake: use FindALSA.cmake to find ALSA library 2022-12-11 23:23:45 +01:00
SDL2.spec.in license: Fixed references to COPYING.txt that are now LICENSE.txt. 2021-02-18 11:07:26 -05:00
SDL2Config.cmake.in cmake: use FindALSA.cmake to find ALSA library 2022-12-11 23:23:45 +01:00
TODO.txt Fixed up legacy MoinMoin URLs at wiki.libsdl.org 2021-04-01 12:20:33 -04:00
WhatsNew.txt Added SDL_DISPLAYEVENT_MOVED to detect when display positioning changes 2022-12-08 12:46:13 -08:00

README.md

Simple DirectMedia Layer (SDL) Version 2.0

https://www.libsdl.org/

Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D. It is used by video playback software, emulators, and popular games including Valve's award winning catalog and many Humble Bundle games.

More extensive documentation is available in the docs directory, starting with README.md

Enjoy!

Sam Lantinga (slouken@libsdl.org)