Các g++-5
bưu kiện có sẵn chỉ dành cho Ubuntu 18.04 LTS.
Để cài đặt nó trên 20.04 LTS, bạn có thể tải xuống và cài đặt thủ công bằng cách sử dụng các lệnh bên dưới:
cd ~/Tải xuống
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/gcc-5-base_5.5.0-12ubuntu1_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/i/isl-0.18/libisl15_0.18-4_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/cpp-5_5.5.0-12ubuntu1_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/libasan2_5.5.0-12ubuntu1_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/libmpx0_5.5.0-12ubuntu1_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/libgcc-5-dev_5.5.0-12ubuntu1_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/gcc-5_5.5.0-12ubuntu1_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/libstdc++-5-dev_5.5.0-12ubuntu1_amd64.deb
wget -c http://archive.ubuntu.com/ubuntu/pool/universe/g/gcc-5/g++-5_5.5.0-12ubuntu1_amd64.deb
sudo apt install ./g++-5_5.5.0-12ubuntu1_amd64.deb ./gcc-5_5.5.0-12ubuntu1_amd64.deb ./gcc-5-base_5.5.0-12ubuntu1_amd64.deb ./cpp-5_5.5.0-12ubuntu1_amd64.deb . /libisl15_0.18-4_amd64.deb ./libgcc-5-dev_5.5.0-12ubuntu1_amd64.deb ./libasan2_5.5.0-12ubuntu1_amd64.deb ./libmpx0_5.5.0-12ubuntu1_amd64.deb ./libstdc++-5-dev_5.5.0-12ubuntu41_amd64.deb .deb