I have a weird problem with MinGW runtime 5.3.1: GDB I've built doesn't run on Windows XP, popping up an error message about btowc. Disassembling a GDB function that calls btowc, I see that it actually calls __msvcrt_btowc. However, wchar.h seems to say that this is what should indeed happen: /* No explicit ISO-C99 compatibility has been requested; map calls * to these functions to delegate to any MSVCRT.DLL implementations * which may be available, or to fall back to the MinGW replacement * implementations, when necessary. */ # define __mingw_redirect(NAME) __msvcrt_##NAME >From this I understand that __msvcrt_btowc is supposed to call the MS implementation in MSVCRT.DLL when that is available, and otherwise fall back on libmingwex. Why does this not happen? Moreover, even if I replace the call to btowc by an explicit call to __mingw_btowc, GDB still refuses to run with the same error message. What am I missing? TIA
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