From dfccad83cf0c6002cf35e204daa4d1e5e3a4233f Mon Sep 17 00:00:00 2001
From: Stephen Anthony <sa666666@gmail.com>
Date: Sat, 3 Sep 2022 14:08:09 -0230
Subject: [PATCH] libretro: Fix compile failure from latest Sound changes.

---
 src/emucore/Sound.hxx             | 2 +-
 src/os/libretro/SoundLIBRETRO.hxx | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/emucore/Sound.hxx b/src/emucore/Sound.hxx
index d01a7606d..52d696209 100644
--- a/src/emucore/Sound.hxx
+++ b/src/emucore/Sound.hxx
@@ -103,7 +103,7 @@ class Sound
 
       @return  An array of supported devices
     */
-    const VariantList& supportedDevices() const {return myDevices;}
+    const VariantList& supportedDevices() const { return myDevices; }
 
     /**
       Play a WAV file.
diff --git a/src/os/libretro/SoundLIBRETRO.hxx b/src/os/libretro/SoundLIBRETRO.hxx
index d626190f1..5c576df76 100644
--- a/src/os/libretro/SoundLIBRETRO.hxx
+++ b/src/os/libretro/SoundLIBRETRO.hxx
@@ -151,6 +151,10 @@ class SoundLIBRETRO : public Sound
     bool toggleMute() override { return !myIsInitializedFlag; }
     string about() const override { return ""; }
 
+    bool playWav(const char*, uInt32, uInt32) override { return false; }
+    void stopWav() override { }
+    uInt32 wavSize() const override { return 0; }
+
   private:
     // Indicates if the sound device was successfully initialized
     bool myIsInitializedFlag{false};