Gcc9.5 offline installation

1. In the presence of a network , Download separately gcc9.5.0 Installation package , And its 4 A dependent package

Install package Links ：https://mirrors.tuna.tsinghua.edu.cn/gnu/gcc/gcc-9.5.0/gcc-9.5.0.tar.gz

Dependent package links ：ftp://gcc.gnu.org/pub/gcc/infrastructure

Download the following one by one 4 A dependent package （windows Download it and upload it to linux）：

ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-6.1.0.tar.bz2 
ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-3.1.4.tar.bz2 
ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-1.0.3.tar.gz 
ftp://gcc.gnu.org/pub/gcc/infrastructure/isl-0.18.tar.bz2

4 The dependent packages are :gmp-6.1.0.tar,isl-0.18.tar , mpc-1.0.3.tar , mpfr-3.1.4.tar

2. take 5 Bags put in linux In your own directory ：/home/xzl

decompression gcc9.5.0 Installation package ：tar -xzf gcc-9.5.0.tar.gz

take 4 A dependent package Move to gcc-9.5.0 Directory (mv)

stay gcc-9.5.0 Enter... In the directory ：./contrib/download_prerequisites

3. stay gcc-9.5.0 Create... In the directory install Catalog (mkdir)

stay xzl Create a new directory under the directory build Enter this directory Input ：

../gcc-9.5.0/./configure --prefix=/home/xzl/gcc-9.5.0/install --enable-language=c,c++

4.make -jn

5. make install

6. Configuration environment ：export PATH=/home/xzl/gcc-9.5.0/install/bin${PATH}