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Fix ALSA build on very old compilers.

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This commit is contained in:
David Reid
2025-07-17 15:08:58 +10:00
parent 291442cd6c
commit 7b157815ab
1 changed files with 13 additions and 1 deletions
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miniaudio.h
+13 -1
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@@ -28165,7 +28165,19 @@ ma_device_backend_vtable* ma_device_backend_winmm = NULL;
ALSA Backend
******************************************************************************/
#ifdef MA_HAS_ALSA
/*
Our ALSA backend uses poll() and eventfd() which are not available on very old
versions of Linux so we'll need check for it and disable the ALSA backend if
necessary. This should be a non-issue in practice because ALSA itself won't be
available in old versions of Linux anyway.
*/
#if defined(MA_HAS_ALSA)
#if (!defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 199309L)
#undef MA_HAS_ALSA
#endif
#endif
#if defined(MA_HAS_ALSA)
#include <poll.h> /* poll(), struct pollfd */
#include <sys/eventfd.h> /* eventfd() */