Using built-in specs. COLLECT_GCC=./cc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/9.3.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../configure --prefix=/usr --enable-languages=c,c++ --disable-bootstrap --with-system-zlib --enable-multilib --with-multilib-list=m64,m32 Thread model: posix gcc version 9.3.0 (GCC)