Using built-in specs. COLLECT_GCC=./cc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/10.1.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../configure --prefix=/usr --with-system-zlib --enable-languages=c,c++,d,fortran,go,objc,obj-c++ Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.1.0 (GCC)