Remove problematic C functions from Pyodide builds

Author: HexDecimal

build_sdl.py

@@ -66,6 +66,9 @@ def python_machine() -> str:
 # Padding values need to be scrubbed.
 RE_PADDING = re.compile(r"padding\[[^;]*\];")
 
+# Printf style functions cause issues on Pyodide builds
+RE_PRINTF = re.compile(r"^.*\*fmt, \.\.\.\).*;$", re.MULTILINE)
+
 # These structs have an unusual size when packed by SDL on 32-bit platforms.
 FLEXIBLE_STRUCTS = (
     "SDL_CommonEvent",
@@ -378,6 +381,9 @@ def get_cdef() -> tuple[str, dict[str, str]]:
         )
         sdl_cdef = parser.get_output()
 
+    if "PYODIDE" in os.environ:
+        sdl_cdef = RE_PRINTF.sub("", sdl_cdef)
+
     sdl_cdef = sdl_cdef.replace("_Bool", "bool")
     sdl_cdef = RE_VAFUNC.sub("", sdl_cdef)
     sdl_cdef = RE_INLINE.sub("", sdl_cdef)