This is a canadian cross baremetal freestanding GCC toolchain (multilib with -mno-red-zone). No newlib. Built by the fast_io library's author Unix Timestamp:1684699799.38883957 UTC:2023-05-21T20:09:59.38883957Z fast_io: https://github.com/cppfastio/fast_io build : x86_64-pc-linux-gnu host : x86_64-w64-mingw32 target : x86_64-elf x86_64-elf-g++ -v Using built-in specs. COLLECT_GCC=x86_64-elf-g++ COLLECT_LTO_WRAPPER=D:/toolchains/gnu/x86_64-w64-mingw32/x86_64-elf/bin/../libexec/gcc/x86_64-elf/14.0.0/lto-wrapper.exe Target: x86_64-elf Configured with: /home/cqwrteur/toolchains_build/gcc/configure --without-headers --disable-shared --disable-threads --disable-nls --disable-werror --disable-libssp --disable-libquadmath --disable-libbacktarce --enable-languages=c,c++ --enable-multilib --disable-bootstrap --disable-libstdcxx-verbose --with-libstdcxx-eh-pool-obj-count=0 --disable-sjlj-exceptions --disable-hosted-libstdcxx --build=x86_64-pc-linux-gnu --host=x86_64-w64-mingw32 --target=x86_64-elf --with-gxx-libcxx-include-dir=/home/cqwrteur/toolchains/x86_64-w64-mingw32/x86_64-elf/x86_64-elf/include/c++/v1 --prefix=/home/cqwrteur/toolchains/x86_64-w64-mingw32/x86_64-elf Thread model: single Supported LTO compression algorithms: zlib gcc version 14.0.0 20230521 (experimental) (GCC)