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Fixed bug 4392 - SDL_cpuinfo.h breaks compilation with C bool type

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Luke Dashjr

Bug 3993 was "fixed" by #undef'ing bool. But this breaks C99's stdbool.h bool too.

For example, mpv's build fails with:

../audio/out/ao_sdl.c:35:5: error: unknown type name ?bool?

It seems ill-advised to be #undef'ing *anything* here - what if the code including SDL_cpuinfo.h actually wants to use altivec?
This commit is contained in:
Sam Lantinga 2018-11-19 21:28:52 -08:00
parent b73703b9c6
commit ac15de18bd
1 changed files with 2 additions and 5 deletions
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7
include/SDL_cpuinfo.h
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@ -50,12 +50,9 @@
#elif defined(__MINGW64_VERSION_MAJOR)
#include <intrin.h>
#else
#ifdef __ALTIVEC__
#if defined(HAVE_ALTIVEC_H) && !defined(__APPLE_ALTIVEC__) && !defined(SDL_DISABLE_ALTIVEC_H)
/* altivec.h redefining bool causes a number of problems, see bugs 3993 and 4392, so you need to explicitly define SDL_ENABLE_ALTIVEC_H to have it included. */
#if defined(HAVE_ALTIVEC_H) && defined(__ALTIVEC__) && !defined(__APPLE_ALTIVEC__) && defined(SDL_ENABLE_ALTIVEC_H)
#include <altivec.h>
#undef pixel
#undef bool
#endif
#endif
#if defined(__ARM_NEON__) && !defined(SDL_DISABLE_ARM_NEON_H)
#include <arm_neon.h>