try to fix audio setting

Author: mpromonet

.github/workflows/cpp-macos.yml

@@ -15,7 +15,7 @@ jobs:
     - run: git fetch --prune --unshallow --tags
 
     - name: pkg
-      run: brew install cmake p7zip gcc openssl rtmpdump && brew link --force openssl
+      run: brew install cmake@3.31.6 p7zip gcc openssl rtmpdump && brew link --force openssl
 
     - name: depot_tools
       run: |

CMakeLists.txt

@@ -124,7 +124,12 @@ if (NOT EXISTS ${WEBRTCOBJS}/${CMAKE_STATIC_LIBRARY_PREFIX}webrtc${CMAKE_STATIC_
   file(WRITE ${WEBRTCROOT}/src/call/rtp_config.cc "${filecontent}")  
 
   # sound support
-  if (NOT DEFINED CMAKE_FIND_ROOT_PATH)
+  if (APPLE)
+    set (WEBRTCARGS rtc_include_internal_audio_device=true\n${WEBRTCARGS})
+    set (WEBRTCARGS rtc_include_pulse_audio=true\n${WEBRTCARGS})
+  elseif (WIN32)
+    set (WEBRTCARGS rtc_include_internal_audio_device=true\n${WEBRTCARGS})
+  elseif (NOT DEFINED CMAKE_FIND_ROOT_PATH)
     if (NOT PulseAudio_FOUND)
       set (WEBRTCARGS rtc_include_pulse_audio=false\n${WEBRTCARGS})
     endif()