Fix MacOS static compilation with the audio addon.

Fixes #1715

Author: SiegeLordEx

addons/audio/CMakeLists.txt

@@ -133,13 +133,12 @@ endif()
 
 if(WANT_AQUEUE AND MACOSX)
     # Should check the presence just to be sure.
-    find_library(AUDIO_TOOLBOX_LIB NAMES AudioToolbox)
-    if(AUDIO_TOOLBOX_LIB)
-        find_path(AQUEUE_INCLUDE_DIR AudioToolbox/AudioQueue.h)
-        if(AQUEUE_INCLUDE_DIR)
-            set(SUPPORT_AQUEUE 1)
-        endif(AQUEUE_INCLUDE_DIR)
-    endif(AUDIO_TOOLBOX_LIB)
+    find_library(AUDIO_TOOLBOX_LIB AudioToolbox)
+    find_path(AQUEUE_INCLUDE_DIR AudioToolbox/AudioQueue.h)
+    find_library(CORE_AUDIO_LIB CoreAudio)
+    if(AUDIO_TOOLBOX_LIB AND AQUEUE_INCLUDE_DIR AND CORE_AUDIO_LIB)
+       set(SUPPORT_AQUEUE 1)
+    endif()
 
     if(NOT SUPPORT_AQUEUE)
         message("WARNING: could not find AudioQueue. (This is normal on OS X 10.4)")
@@ -150,6 +149,7 @@ if(SUPPORT_AQUEUE)
     set(ALLEGRO_CFG_KCM_AQUEUE 1)
     list(APPEND AUDIO_SOURCES aqueue.m)
     list(APPEND AUDIO_LIBRARIES ${AUDIO_TOOLBOX_LIB})
+    list(APPEND AUDIO_LIBRARIES ${CORE_AUDIO_LIB})
     set(SUPPORT_AUDIO 1)
 endif(SUPPORT_AQUEUE)