kc3-lang/SDL

diff --git a/src/audio/coreaudio/SDL_coreaudio.h b/src/audio/coreaudio/SDL_coreaudio.h
index b426ea4..9353046 100644
--- a/src/audio/coreaudio/SDL_coreaudio.h
+++ b/src/audio/coreaudio/SDL_coreaudio.h
@@ -39,6 +39,14 @@
 #include <AudioToolbox/AudioToolbox.h>
 #include <AudioUnit/AudioUnit.h>
 
+/* Things named "Master" were renamed to "Main" in macOS 12.0's SDK. */
+#if MACOSX_COREAUDIO
+#include <AvailabilityMacros.h>
+#ifndef MAC_OS_VERSION_12_0
+#define kAudioObjectPropertyElementMain kAudioObjectPropertyElementMaster
+#endif
+#endif
+
 /* Hidden "this" pointer for the audio functions */
 #define _THIS   SDL_AudioDevice *this
 
diff --git a/src/audio/coreaudio/SDL_coreaudio.m b/src/audio/coreaudio/SDL_coreaudio.m
index dbd85f4..d223359 100644
--- a/src/audio/coreaudio/SDL_coreaudio.m
+++ b/src/audio/coreaudio/SDL_coreaudio.m
@@ -53,7 +53,7 @@
 static const AudioObjectPropertyAddress devlist_address = {
     kAudioHardwarePropertyDevices,
     kAudioObjectPropertyScopeGlobal,
-    kAudioObjectPropertyElementMaster
+    kAudioObjectPropertyElementMain
 };
 
 typedef void (*addDevFn)(const char *name, SDL_AudioSpec *spec, const int iscapture, AudioDeviceID devId, void *data);
@@ -131,17 +131,17 @@ build_device_list(int iscapture, addDevFn addfn, void *addfndata)
         const AudioObjectPropertyAddress addr = {
             kAudioDevicePropertyStreamConfiguration,
             iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput,
-            kAudioObjectPropertyElementMaster
+            kAudioObjectPropertyElementMain
         };
         const AudioObjectPropertyAddress nameaddr = {
             kAudioObjectPropertyName,
             iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput,
-            kAudioObjectPropertyElementMaster
+            kAudioObjectPropertyElementMain
         };
         const AudioObjectPropertyAddress freqaddr = {
             kAudioDevicePropertyNominalSampleRate,
             iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput,
-            kAudioObjectPropertyElementMaster
+            kAudioObjectPropertyElementMain
         };
 
         result = AudioObjectGetPropertyDataSize(dev, &addr, 0, NULL, &size);
@@ -642,7 +642,7 @@ static const AudioObjectPropertyAddress alive_address =
 {
     kAudioDevicePropertyDeviceIsAlive,
     kAudioObjectPropertyScopeGlobal,
-    kAudioObjectPropertyElementMaster
+    kAudioObjectPropertyElementMain
 };
 
 static OSStatus
@@ -764,7 +764,7 @@ prepare_device(_THIS)
     AudioObjectPropertyAddress addr = {
         0,
         kAudioObjectPropertyScopeGlobal,
-        kAudioObjectPropertyElementMaster
+        kAudioObjectPropertyElementMain
     };
 
     if (handle == NULL) {
@@ -811,7 +811,7 @@ assign_device_to_audioqueue(_THIS)
     const AudioObjectPropertyAddress prop = {
         kAudioDevicePropertyDeviceUID,
         this->iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput,
-        kAudioObjectPropertyElementMaster
+        kAudioObjectPropertyElementMain
     };
 
     OSStatus result;
@@ -960,7 +960,7 @@ audioqueue_thread(void *arg)
     const AudioObjectPropertyAddress default_device_address = {
         this->iscapture ? kAudioHardwarePropertyDefaultInputDevice : kAudioHardwarePropertyDefaultOutputDevice,
         kAudioObjectPropertyScopeGlobal,
-        kAudioObjectPropertyElementMaster
+        kAudioObjectPropertyElementMain
     };
 
     if (this->handle == NULL) {  /* opened the default device? Register to know if the user picks a new default. */
@@ -1185,24 +1185,24 @@ COREAUDIO_GetDefaultAudioInfo(char **name, SDL_AudioSpec *spec, int iscapture)
                   : kAudioHardwarePropertyDefaultOutputDevice,
         iscapture ? kAudioDevicePropertyScopeInput
                   : kAudioDevicePropertyScopeOutput,
-        kAudioObjectPropertyElementMaster
+        kAudioObjectPropertyElementMain
     };
     AudioObjectPropertyAddress nameaddr = {
         kAudioObjectPropertyName,
         iscapture ? kAudioDevicePropertyScopeInput
                   : kAudioDevicePropertyScopeOutput,
-        kAudioObjectPropertyElementMaster
+        kAudioObjectPropertyElementMain
     };
     AudioObjectPropertyAddress freqaddr = {
         kAudioDevicePropertyNominalSampleRate,
         iscapture ? kAudioDevicePropertyScopeInput
                   : kAudioDevicePropertyScopeOutput,
-        kAudioObjectPropertyElementMaster
+        kAudioObjectPropertyElementMain
     };
     AudioObjectPropertyAddress bufaddr = {
         kAudioDevicePropertyStreamConfiguration,
         iscapture ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput,
-        kAudioObjectPropertyElementMaster
+        kAudioObjectPropertyElementMain
     };
 
     /* Get the Device ID */