Fix #2199 (#2200)

Author: halx99

3rdparty/CMakeLists.txt

@@ -376,11 +376,18 @@ if (AX_ENABLE_AUDIO)
                 set(ALSOFT_BACKEND_OPENSL OFF CACHE BOOL "Enable OpenSL backend" FORCE)
                 set(OBOE_SOURCE "${oboe_SOURCE_DIR}" CACHE STRING "Source directory for Oboe." FORCE)
             endif()
-            list(APPEND alsoft_opts "ALSOFT_RTKIT OFF")
+            list(APPEND alsoft_opts "ALSOFT_RTKIT OFF"
+                "ALSOFT_BACKEND_PIPEWIRE OFF"
+                "ALSOFT_BACKEND_PULSEAUDIO OFF"
+                "ALSOFT_BACKEND_ALSA OFF"
+                "ALSOFT_BACKEND_OSS OFF"
+                "ALSOFT_BACKEND_SOLARIS OFF"
+                "ALSOFT_BACKEND_SNDIO OFF"
+                "ALSOFT_BACKEND_JACK OFF"
+                "ALSOFT_BACKEND_PORTAUDIO OFF"
+                "ALSOFT_BACKEND_SDL2 OFF")
             set(ALSOFT_RTKIT OFF CACHE BOOL "Enable RTKit support" FORCE)
-        endif()
-
-        if(WINDOWS)
+        elseif(WINDOWS)
             list(APPEND alsoft_opts "ALSOFT_BACKEND_WASAPI ON" "ALSOFT_BACKEND_WAVE OFF" "ALSOFT_BACKEND_DSOUND OFF" "ALSOFT_BACKEND_WINMM OFF")
         endif()