tce-load -i compiletc mpc-dev zstd-dev python3.8 texinfo

wget ftp://ftp.lip6.fr/pub/gcc/releases/gcc-10.1.0/gcc-10.1.0.tar.xz

cd gcc-10.1.0

mkdir build
cd build

CC="gcc -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" CXX="g++ -march=armv6zk -mtune=arm1176jzf-s -mfpu=vfp -Os -pipe" ../configure --prefix=/usr/local --enable-languages=c,c++,fortran --disable-multilib --disable-bootstrap --with-system-zlib --libexecdir=/usr/local/lib --with-float=hard --with-fpu=vfp

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;
find . -name Makefile -type f -exec sed -i 's/-O2 -g//g' {} \;
find . -name config.status -type f -exec sed -i 's/-g -O2//g' {} \;

make [3h 2m 31s] [RPi3 1gb]
make install

sudo rm -rf /usr/local/lib/gcc/$(gcc -dumpmachine)/10.1.0/include-fixed/bits/
sudo ln -sfv ../usr/local/bin/cpp /usr/local/lib
sudo install -v -dm755 /usr/local/lib/bfd-plugins
sudo ln -sfv /usr/local/lib/gcc/$(gcc -dumpmachine)/10.1.0/liblto_plugin.so /usr/local/lib/bfd-plugins/

sudo mkdir -pv /usr/local/share/gdb/auto-load/usr/local/lib
sudo mv -v /usr/local/lib/*gdb.py /usr/local/share/gdb/auto-load/usr/local/lib