在 2020/5/10 12:27, JonY via Gcc-help 写道: > > I think option #3 is the simplest approach in the short term, though I > prefer option #2. > This patch has been accepted by MSYS2 [1], tested for bootstrapping on both i686 and x86_64. So here comes a 4th option: Disable `-Werror` if `--disable-werror` is specified to the top-level configure. EGREP'ing for `(format|__format__)\s*\(\s*(__printf__|printf)` in GCC source reveals ~30 matches (excluding testsuites). Probably they should all be fixed similarly, or we ignore such warnings for simplicity. libgomp doesn't build despite `--disable-werror` at top level, which seems a bug in this case. [1] https://github.com/msys2/MINGW-packages/blob/9501ee2afc8d01dc7d85383e4b22e91c30d93ca7/mingw-w64-gcc/0020-libgomp-Don-t-hard-code-MS-printf-attributes.patch -- Best regards, LH_Mouse
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