在 2020/12/11 18:26, Christer Solskogen 写道: > While compiling the mingw-w64 cross compiler I got this with gcc-10.2.0: > > (... snip ...) > > Is this a gcc problem or mingw-w64 problem? Or perhaps "my" problem if I've > configured something > wrongly. > mingw-w64 is from the latest v8.x branch. >
This error is caused by the new behavior of stdio format specifiers. Now when compiling with at least C99 or C++11 standard, mingw-w64 stdio functions are enabled by default (unless suppressed by defining `__USE_MINGW_ANSI_STDIO` to zero) so `PRId64` now expands to `lld` instead of the old MS-specified `I64d`. libgomp has the `printf` format attribute so its diagnostic functions do not recognize standard specifiers and cause errors. A patch for GCC 10 is available here [1]. [1] https://github.com/msys2/MINGW-packages-dev/blob/68b5075842e2d13191f31a8619dfb262d73beb6a/mingw-w64-gcc-git/0020-libgomp-Don-t-hard-code-MS-printf-attributes.patch -- Best regards, LH_Mouse
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