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143286988d
PPC_FEATURE_HAS_ALTIVEC is not defined by all C libraries. The following
error was raised while testing SDL3 in Buildroot with a PowerPC toolchain
using uClibc-ng:
src/cpuinfo/SDL_cpuinfo.c: In function 'SDL_GetAltiVecFeatures':
src/cpuinfo/SDL_cpuinfo.c:351:37: error: 'PPC_FEATURE_HAS_ALTIVEC' undeclared (first use in this function)
351 | altivec = getauxval(AT_HWCAP) & PPC_FEATURE_HAS_ALTIVEC;
| ^~~~~~~~~~~~~~~~~~~~~~~
Provide a fallback definition when it is not defined.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
(cherry picked from commit e721af3baf)
Simple DirectMedia Layer (SDL for short) is a cross-platform library designed to make it easy to write multi-media software, such as games and emulators.
You can find the latest release and additional information at: https://www.libsdl.org/
Installation instructions and a quick introduction is available in INSTALL.md
This library is distributed under the terms of the zlib license, available in LICENSE.txt.
Enjoy!
Sam Lantinga (slouken@libsdl.org)