mingw-gcc-11.1.1-i686-posix-sjlj-ssp-20210429-3b6cd12 下载地址： https://github.com/qq2225936589/gcc-i686-posix-sjlj-for-MSYS patch -p0 < gcc-11-mingw32-20200908.patch export CPP=/mingw/bin/cpp export LD_LIBRARY_PATH=/usr/local/lib export LIBS= export CFLAGS='-O2 -pipe -fno-ident -I/usr/local/include -I/usr/mingw/i686-w64-mingw32/include' export CPPFLAGS='-O2 -pipe -fno-ident -I/usr/local/include -I/usr/mingw/i686-w64-mingw32/include' export CXXFLAGS='-O2 -pipe -fno-ident -I/usr/local/include -I/usr/mingw/i686-w64-mingw32/include' export LDFLAGS='-pipe -fno-ident -L/usr/local/lib -L/usr/mingw/i686-w64-mingw32/lib -Wl,--large-address-aware' mkdir gccbuild cd gccbuild ../gcc-11/configure --prefix=/mingw32 --with-local-prefix=/mingw32 --build=i686-w64-mingw32 --host=i686-w64-mingw32 --target=i686-w64-mingw32 --with-native-system-header-dir=/mingw32/i686-w64-mingw32/include --libexecdir=/mingw32/libexec --enable-checking=release --enable-fully-dynamic-string --enable-graphite --enable-languages=c,lto,c++ --enable-libatomic --enable-libgomp --enable-libstdcxx-time=yes --enable-lto --enable-sjlj-exceptions --enable-shared --enable-static --enable-threads=posix --enable-libssp --disable-64bit --disable-bootstrap --disable-isl-version-check --disable-libstdcxx-debug --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-rpath --disable-symvers --disable-werror --disable-win32-registry --with-arch=i686 --with-gmp=/usr/local --with-gnu-as --with-gnu-ld --with-isl=/usr/local --with-libiconv --with-mpc=/usr/local --with-mpfr=/usr/local --with-system-zlib make -j2 && echo -------------.install.-------------------------- && make install gcc -v Using built-in specs. COLLECT_GCC=D:MSYSmingw32ingcc.exe COLLECT_LTO_WRAPPER=d:/msys/mingw32/bin/../libexec/gcc/i686-w64-mingw32/11.1.0/lto-wrapper.exe Target: i686-w64-mingw32 Configured with: ../gcc-11/configure --prefix=/mingw32 --with-local-prefix=/mingw32 --build=i686-w64-mingw32 --host=i686-w64-mingw32 --target=i686-w64-mingw32 --with-native-system-header-dir=/mingw32/i686-w64-mingw32/include --libexecdir=/mingw32/libexec --enable-checking=release --enable-fully-dynamic-string --enable-graphite --enable-languages=c,lto,c++ --enable-libatomic --enable-libgomp --enable-libstdcxx-time=yes --enable-lto --enable-sjlj-exceptions --enable-shared --enable-static --enable-threads=posix --enable-libssp --disable-64bit --disable-bootstrap --disable-isl-version-check --disable-libstdcxx-debug --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-rpath --disable-symvers --disable-werror --disable-win32-registry --with-arch=i686 --with-gmp=/usr/local --with-gnu-as --with-gnu-ld --with-isl=/usr/local --with-libiconv --with-mpc=/usr/local --with-mpfr=/usr/local --with-system-zlib Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.1.1 20210429 (GCC)