Hi, Here's a report of a successful build and install of GCC:
$ gcc-7.2.0/config.guess aarch64-unknown-linux-gnu $ newcompiler/bin/gcc -v Using built-in specs. COLLECT_GCC=newcompiler/bin/gcc COLLECT_LTO_WRAPPER=/home/aaro/gcctest/newcompiler/libexec/gcc/aarch64-unknown-linux-gnu/7.2.0/lto-wrapper Target: aarch64-unknown-linux-gnu Configured with: ../gcc-7.2.0/configure --with-arch=armv8-a+crc --with-cpu=cortex-a53 --enable-fix-cortex-a53-835769 --enable-fix-cortex-a53-843419 --disable-multilib --disable-nls --prefix=/home/aaro/gcctest/newcompiler --enable-languages=c,c++ --host=aarch64-unknown-linux-gnu --build=aarch64-unknown-linux-gnu --target=aarch64-unknown-linux-gnu --with-system-zlib --with-sysroot=/ Thread model: posix gcc version 7.2.0 (GCC) -- Build environment ---------------------------------------------------------- host: raspberrypi-3 distro: los.git rootfs=f834d native=f834d kernel: Linux 4.12.0-rpi3-los_f834d binutils: GNU binutils 2.29 make: GNU Make 4.2.1 libc: GNU C Library (GNU libc) stable release version 2.25 zlib: 1.2.11 mpfr: 3.1.3 gmp: 60102 -- Time consumed -------------------------------------------------------------- configure: real 0m 20.41s user 0m 14.17s sys 0m 3.97s bootstrap: real 7h 57m 07s user 25h 28m 25s sys 40m 4.21s install: real 6m 8.02s user 0m 32.07s sys 0m 32.38s -- Hardware details ----------------------------------------------------------- MemTotal: 942112 kB processor : 0 BogoMIPS : 38.40 Features : fp asimd evtstrm crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 1 BogoMIPS : 38.40 Features : fp asimd evtstrm crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 2 BogoMIPS : 38.40 Features : fp asimd evtstrm crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 3 BogoMIPS : 38.40 Features : fp asimd evtstrm crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 A.