diff -ru SDL2-2.0.8.orig/src/stdlib/SDL_iconv.c SDL2-2.0.8/src/stdlib/SDL_iconv.c

--- SDL2-2.0.8.orig/src/stdlib/SDL_iconv.c	2018-03-01 17:34:42.000000000 +0100

+++ SDL2-2.0.8/src/stdlib/SDL_iconv.c	2020-10-05 12:56:24.565427760 +0200

@@ -37,7 +37,7 @@

    iconv() may or may not use const char ** for the inbuf param.

    If we get this wrong, it's just a warning, so no big deal.

 */

-#if defined(_XGP6) || defined(__APPLE__) || \

+#if defined(_XGP6) || defined(__APPLE__) || defined(__midipix__) || \

     defined(__EMSCRIPTEN__) || \

     (defined(__GLIBC__) && ((__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) || \

     (defined(_NEWLIB_VERSION)))