CMakeLists: Add flag to disable Cubeb

3 files changed, 25 insertions, 8 deletions

diff --git a/Source/Core/AudioCommon/AudioCommon.cpp b/Source/Core/AudioCommon/AudioCommon.cpp
index d9fee4ef72..0a0aafd307 100644
--- a/Source/Core/AudioCommon/AudioCommon.cpp
+++ b/Source/Core/AudioCommon/AudioCommon.cpp
@@ -28,7 +28,7 @@ constexpr int AUDIO_VOLUME_MAX = 100;
 
 static std::unique_ptr<SoundStream> CreateSoundStreamForBackend(std::string_view backend)
 {
-  if (backend == BACKEND_CUBEB)
+  if (backend == BACKEND_CUBEB && CubebStream::IsValid())
     return std::make_unique<CubebStream>();
   else if (backend == BACKEND_OPENAL && OpenALStream::IsValid())
     return std::make_unique<OpenALStream>();
@@ -100,10 +100,11 @@ std::string GetDefaultSoundBackend()
 #elif defined __linux__
   if (AlsaSound::IsValid())
     backend = BACKEND_ALSA;
-  else
+  else if (CubebStream::IsValid())
     backend = BACKEND_CUBEB;
 #elif defined(__APPLE__) || defined(_WIN32) || defined(__OpenBSD__)
-  backend = BACKEND_CUBEB;
+  if (CubebStream::IsValid())
+    backend = BACKEND_CUBEB;
 #endif
   return backend;
 }
@@ -118,7 +119,8 @@ std::vector<std::string> GetSoundBackends()
   std::vector<std::string> backends;
 
   backends.emplace_back(BACKEND_NULLSOUND);
-  backends.emplace_back(BACKEND_CUBEB);
+  if (CubebStream::IsValid())
+    backends.emplace_back(BACKEND_CUBEB);
   if (AlsaSound::IsValid())
     backends.emplace_back(BACKEND_ALSA);
   if (PulseAudio::IsValid())
diff --git a/Source/Core/AudioCommon/CMakeLists.txt b/Source/Core/AudioCommon/CMakeLists.txt
index 26dc443d90..d08a87247b 100644
--- a/Source/Core/AudioCommon/CMakeLists.txt
+++ b/Source/Core/AudioCommon/CMakeLists.txt
@@ -3,10 +3,7 @@ add_library(audiocommon
   AudioCommon.h
   AudioStretcher.cpp
   AudioStretcher.h
-  CubebStream.cpp
   CubebStream.h
-  CubebUtils.cpp
-  CubebUtils.h
   Enums.h
   Mixer.cpp
   Mixer.h
@@ -18,6 +15,16 @@ add_library(audiocommon
   WaveFile.h
 )
 
+if(ENABLE_CUBEB)
+  message(STATUS "Cubeb found, enabling Cubeb sound backend")
+  target_sources(audiocommon PRIVATE
+    CubebStream.cpp
+    CubebUtils.cpp
+    CubebUtils.h
+  )
+  target_link_libraries(audiocommon PRIVATE cubeb)
+endif()
+
 if(ANDROID)
   find_package(OpenSLES)
   if(OPENSLES_FOUND)
@@ -83,10 +90,13 @@ PUBLIC
   common
 
 PRIVATE
-  cubeb::cubeb
   SoundTouch
   FreeSurround)
 
+if(ENABLE_CUBEB)
+  target_link_libraries(audiocommon PRIVATE cubeb::cubeb)
+endif()
+
 if(MSVC)
   # Add precompiled header
   target_link_libraries(audiocommon PRIVATE use_pch)
diff --git a/Source/Core/AudioCommon/CubebStream.h b/Source/Core/AudioCommon/CubebStream.h
index 4b0c0e5eae..72d7d1c117 100644
--- a/Source/Core/AudioCommon/CubebStream.h
+++ b/Source/Core/AudioCommon/CubebStream.h
@@ -11,10 +11,13 @@
 #include "AudioCommon/SoundStream.h"
 #include "Common/WorkQueueThread.h"
 
+#ifdef HAVE_CUBEB
 #include <cubeb/cubeb.h>
+#endif
 
 class CubebStream final : public SoundStream
 {
+#ifdef HAVE_CUBEB
 public:
   CubebStream();
   CubebStream(const CubebStream& other) = delete;
@@ -25,6 +28,7 @@ public:
   bool Init() override;
   bool SetRunning(bool running) override;
   void SetVolume(int) override;
+  static bool IsValid() { return true; }
 
 private:
   bool m_stereo = false;
@@ -43,4 +47,5 @@ private:
   static long DataCallback(cubeb_stream* stream, void* user_data, const void* /*input_buffer*/,
                            void* output_buffer, long num_frames);
   static void StateCallback(cubeb_stream* stream, void* user_data, cubeb_state state);
+#endif
 };