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03ce56dee2
We also artificially update nix to 0.25 in preparation for bug 1793784. Differential Revision: https://phabricator.services.mozilla.com/D164165
33 lines
1.2 KiB
C++
33 lines
1.2 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Assertions.h"
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// The code in this file is a workaround for building with ALSA versions prior
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// to 1.1. Various functions that the alsa crate (a dependency of the midir
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// crate) use are missing from those versions. The functions are not actually
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// used so we provide dummy implementations that return an error. This file
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// can be safely removed when the Linux sysroot will be updated to Debian 9
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// (or higher)
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#include <alsa/asoundlib.h>
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extern "C" {
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#define ALSA_DIVERT(func) \
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int func(void) { \
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MOZ_CRASH(#func "should never be called."); \
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return -1; \
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}
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#if (SND_LIB_MAJOR == 1) && (SND_LIB_MINOR == 0) && (SND_LIB_SUBMINOR < 29)
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ALSA_DIVERT(snd_pcm_sw_params_set_tstamp_type)
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ALSA_DIVERT(snd_pcm_sw_params_get_tstamp_type)
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#endif
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#if (SND_LIB_MAJOR == 1) && (SND_LIB_MINOR < 1)
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ALSA_DIVERT(snd_pcm_hw_params_supports_audio_ts_type)
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ALSA_DIVERT(snd_pcm_status_set_audio_htstamp_config)
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#endif
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}
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