Revert "SDL2{,_classic}_mixer_2_0: drop" (#407070)

{

  SDL2_mixer_2_0,

  SDL2_classic_mixer,

}:

SDL2_mixer_2_0.override {

  SDL2_mixer = SDL2_classic_mixer;

}

--- a/music_mpg123.c	2018-10-31 10:59:00.000000000 -0400

+++ b/music_mpg123.c	2023-09-05 21:31:51.529191521 -0400

@@ -48,7 +48,11 @@

     int (*mpg123_open_handle)(mpg123_handle *mh, void *iohandle);

     const char* (*mpg123_plain_strerror)(int errcode);

     void (*mpg123_rates)(const long **list, size_t *number);

+#if (MPG123_API_VERSION >= 45) /* api (but not abi) change as of mpg123-1.26.0 */

+    int (*mpg123_read)(mpg123_handle *mh, void *outmemory, size_t outmemsize, size_t *done );

+#else

     int (*mpg123_read)(mpg123_handle *mh, unsigned char *outmemory, size_t outmemsize, size_t *done );

+#endif

     int (*mpg123_replace_reader_handle)( mpg123_handle *mh, ssize_t (*r_read) (void *, void *, size_t), off_t (*r_lseek)(void *, off_t, int), void (*cleanup)(void*) );

     off_t (*mpg123_seek)( mpg123_handle *mh, off_t sampleoff, int whence );

     const char* (*mpg123_strerror)(mpg123_handle *mh);

@@ -95,7 +99,11 @@

         FUNCTION_LOADER(mpg123_open_handle, int (*)(mpg123_handle *mh, void *iohandle))

         FUNCTION_LOADER(mpg123_plain_strerror, const char* (*)(int errcode))

         FUNCTION_LOADER(mpg123_rates, void (*)(const long **list, size_t *number));

+#if (MPG123_API_VERSION >= 45) /* api (but not abi) change as of mpg123-1.26.0 */

+        FUNCTION_LOADER(mpg123_read, int (*)(mpg123_handle *mh, void *outmemory, size_t outmemsize, size_t *done ))

+#else

         FUNCTION_LOADER(mpg123_read, int (*)(mpg123_handle *mh, unsigned char *outmemory, size_t outmemsize, size_t *done ))

+#endif

         FUNCTION_LOADER(mpg123_replace_reader_handle, int (*)( mpg123_handle *mh, ssize_t (*r_read) (void *, void *, size_t), off_t (*r_lseek)(void *, off_t, int), void (*cleanup)(void*) ))

         FUNCTION_LOADER(mpg123_seek, off_t (*)( mpg123_handle *mh, off_t sampleoff, int whence ))

         FUNCTION_LOADER(mpg123_strerror, const char* (*)(mpg123_handle *mh))

{

  SDL2_mixer,

  fetchFromGitHub,

  fetchpatch,

  timidity,

}:

let

  attrset = {

    version = "2.0.4";

    src = fetchFromGitHub {

      owner = "libsdl-org";

      repo = "SDL_mixer";

      rev = "release-${attrset.version}";

      hash = "sha256-vo9twUGeK2emDiGd9kSGuA/X8TxVmQrRFFm71zawWYM=";

    };

    patches = [

      # These patches fix incompatible function pointer conversion errors with clang 16.

      (fetchpatch {

        url = "https://github.com/libsdl-org/SDL_mixer/commit/4119ec3fe838d38d2433f4432cd18926bda5d093.patch";

        stripLen = 2;

        hash = "sha256-Ug1EEZIRcV8+e1MeMsGHuTW7Zn6j4szqujP8IkIq2VM=";

      })

      # Based on https://github.com/libsdl-org/SDL_mixer/commit/64ab759111ddb1b033bcce64e1a04e0cba6e498f

      ./SDL_mixer-2.0-incompatible-pointer-comparison-fix.patch

    ];

    # fix default path to timidity.cfg so MIDI files could be played

    postPatch = ''

      substituteInPlace timidity/options.h \

        --replace "/usr/share/timidity" "${timidity}/share/timidity"

    '';

  };

in

SDL2_mixer.overrideAttrs (_: attrset)

  SDL1 = throw "'SDL1' has been removed as development ended long ago with SDL 2.0 replacing it, use SDL_compat instead"; # Added 2025-03-27

  SDL_gpu = throw "'SDL_gpu' has been removed due to lack of upstream maintenance and known users"; # Added 2025-03-15

  SDL_image_2_0 = throw "'SDL_image_2_0' has been removed in favor of the latest version"; # Added 2025-04-20

  SDL2_mixer_2_0 = throw "'SDL2_mixer_2_0' has been removed in favor of the latest version"; # Added 2025-04-27

  SDL2_classic_mixer_2_0 = throw "'SDL2_classic_mixer_2_0' has been removed in favor of the latest version"; # Added 2025-04-27

  s2n = throw "'s2n' has been renamed to/replaced by 's2n-tls'"; # Converted to throw 2024-10-17

  sandboxfs = throw "'sandboxfs' has been removed due to being unmaintained, consider using linux namespaces for sandboxing instead"; # Added 2024-06-06

  sane-backends-git = throw "'sane-backends-git' has been renamed to/replaced by 'sane-backends'"; # Converted to throw 2024-10-17