[sdl2-mixer] Make wavpack a feature (#36982)

ports/sdl2-mixer/portfile.cmake

@@ -18,9 +18,9 @@ vcpkg_check_features(
         libmodplug SDL2MIXER_MOD_MODPLUG
         mpg123 SDL2MIXER_MP3
         mpg123 SDL2MIXER_MP3_MPG123
+        wavpack SDL2MIXER_WAVPACK
+        wavpack SDL2MIXER_WAVPACK_DSD
         opusfile SDL2MIXER_OPUS
-    MAYBE_UNUSED_VARIABLES    
-        SDL2MIXER_MP3_DRMP3
 )
 
 if("fluidsynth" IN_LIST FEATURES)
@@ -46,6 +46,8 @@ vcpkg_cmake_configure(
         -DSDL2MIXER_MIDI_TIMIDITY=OFF
         -DSDL2MIXER_MP3_DRMP3=OFF
         -DSDL2MIXER_MOD_XMP_SHARED=${BUILD_SHARED}
+    MAYBE_UNUSED_VARIABLES
+        SDL2MIXER_MP3_DRMP3
 )
 
 vcpkg_cmake_install()

ports/sdl2-mixer/vcpkg.json

@@ -1,7 +1,7 @@
 {
   "name": "sdl2-mixer",
   "version": "2.8.0",
-  "port-version": 2,
+  "port-version": 3,
   "description": "Multi-channel audio mixer library for SDL.",
   "homepage": "https://github.com/libsdl-org/SDL_mixer",
   "license": "Zlib",
@@ -18,7 +18,9 @@
     {
       "name": "vcpkg-cmake-config",
       "host": true
-    },
+    }
+  ],
+  "default-features": [
     "wavpack"
   ],
   "features": {
@@ -52,6 +54,12 @@
       "dependencies": [
         "opusfile"
       ]
+    },
+    "wavpack": {
+      "description": "Enable WavPack music.",
+      "dependencies": [
+        "wavpack"
+      ]
     }
   }
 }

versions/baseline.json

@@ -7910,7 +7910,7 @@
     },
     "sdl2-mixer": {
       "baseline": "2.8.0",
-      "port-version": 2
+      "port-version": 3
     },
     "sdl2-mixer-ext": {
       "baseline": "2.6.0",

versions/s-/sdl2-mixer.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "dd4194d58e9c97835f6d38257f1af245e659e2de",
+      "version": "2.8.0",
+      "port-version": 3
+    },
     {
       "git-tree": "6c3753de43f2caf437f28a171665f37abe890109",
       "version": "2.8.0",