Compiler warnings with system locale set to JP. about sdl HOT 8 CLOSED

I guess it this line 2142 in current SDL_hints.h ?
* keyboard would yield 'a' instead of 'ф'.

See https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_hints.h#L2142

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The compiler warnings of OP suggests that the compiler does not read the source in utf-8 mode, but in cp932.

MSVC has a /utf-8 option, but I don't think this will fix this warning for external projects.

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There's also one in SDL_joystick.c

from sdl.

There's also one in SDL_joystick.c

That would be:
MAKE_VIDPID(0x0f0d, 0x011e), // Hori Fighting Stick α in PC Mode
... at line 140 of SDL_joystick.c

from sdl.

There's also one in SDL_joystick.c

That would be: MAKE_VIDPID(0x0f0d, 0x011e), // Hori Fighting Stick α in PC Mode ... at line 140 of SDL_joystick.c

Well, make that lines 139 to 141 where there is that α character...

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Well, make that lines 139 to 141 where there is that α character...

.. and lines 290 and 291 where we have ‘ and ’

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https://learn.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-1-c4819?view=msvc-170

C4819 occurs when you compile an ANSI source file on a system using a codepage that can't represent all characters in the file.

Save the file in Unicode format to prevent data loss.

Perhaps the header files you have on disk are malformed in some way. Try redownloading SDL3 source again from https://github.com/libsdl-org/SDL/archive/refs/heads/main.zip.

If that doesn't help, try saving the offending files in 'UTF-8 (with signature/BOM)' encoding as suggested by the error description.

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Fixed, thanks!

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