Linux下安装gcc 各版本

下载需要安装的gcc版本到当前目录下：

yum -y groupinstall "development tools" 
yum -y install dejagnu texinfo

tar -zxf gcc-9.3.0.tar.gz
cd gcc-9.3.0.tar.gz
./contrib/download_prerequisites
mkdir build
cd build
../configure --prefix=/usr/local/gcc-9.3.0 --enable-bootstrap --enable-checking=release --enable-languages=c,c++ --disable-multilib
make -j4
make install


cd
vi .gcc9
gcc=/usr/local/gcc-9.3.0/bin
SHORT_PATH=`echo $PATH | sed -e 's/\/usr\/local\/gcc-[0-9]\.[0-9]\.[0-9]\/bin\://'`
export PATH=$gcc:$SHORT_PATH
echo
gcc --version | grep GCC | sed -e 's/^/Now, your gcc version is: /'


source .gcc9
##############################################################


tar -zxf gcc-8.4.0.tar.gz
cd gcc-8.4.0.tar.gz
./contrib/download_prerequisites
mkdir build
cd build
../configure --prefix=/usr/local/gcc-8.4.0 --enable-bootstrap --enable-checking=release --enable-languages=c,c++ --disable-multilib
make -j4
make install


cd
vi .gcc8
gcc=/usr/local/gcc-8.4.0/bin
SHORT_PATH=`echo $PATH | sed -e 's/\/usr\/local\/gcc-[0-9]\.[0-9]\.[0-9]\/bin\://'`
export PATH=$gcc:$SHORT_PATH
echo
gcc --version | grep GCC | sed -e 's/^/Now, your gcc version is: /'


source .gcc8
##############################################################


tar -zxf gcc-7.5.0.tar.gz
cd gcc-7.5.0.tar.gz
./contrib/download_prerequisites
mkdir build
cd build
../configure --prefix=/usr/local/gcc-7.5.0 --enable-bootstrap --enable-checking=release --enable-languages=c,c++ --disable-multilib
make -j4
make install


cd
vi .gcc7
gcc=/usr/local/gcc-7.5.0/bin
SHORT_PATH=`echo $PATH | sed -e 's/\/usr\/local\/gcc-[0-9]\.[0-9]\.[0-9]\/bin\://'`
export PATH=$gcc:$SHORT_PATH
echo
gcc --version | grep GCC | sed -e 's/^/Now, your gcc version is: /'


source .gcc7
##############################################################


tar -zxf gcc-6.5.0.tar.gz
cd gcc-6.5.0.tar.gz
./contrib/download_prerequisites
mkdir build
cd build
../configure --prefix=/usr/local/gcc-6.5.0 --enable-bootstrap --enable-checking=release --enable-languages=c,c++ --disable-multilib
make -j4
make install


cd
vi .gcc6
gcc=/usr/local/gcc-6.5.0/bin
SHORT_PATH=`echo $PATH | sed -e 's/\/usr\/local\/gcc-[0-9]\.[0-9]\.[0-9]\/bin\://'`
export PATH=$gcc:$SHORT_PATH
echo
gcc --version | grep GCC | sed -e 's/^/Now, your gcc version is: /'


source .gcc6
##############################################################


tar -zxf gcc-5.5.0.tar.gz
cd gcc-5.5.0.tar.gz
./contrib/download_prerequisites
mkdir build
cd build
../configure --prefix=/usr/local/gcc-5.5.0 --enable-bootstrap --enable-checking=release --enable-languages=c,c++ --disable-multilib
make -j4
make install


cd
vi .gcc6
gcc=/usr/local/gcc-5.5.0/bin
SHORT_PATH=`echo $PATH | sed -e 's/\/usr\/local\/gcc-[0-9]\.[0-9]\.[0-9]\/bin\://'`
export PATH=$gcc:$SHORT_PATH
echo
gcc --version | grep GCC | sed -e 's/^/Now, your gcc version is: /'


source .gcc5
##############################################################
mv /lib64/libstdc++.so.6 /lib64/libstdc++.so.6.bak
cp /usr/local/gcc-9.3.0/lib64/libstdc++.so.6.0.28 /lib64/
cd /lib64/ && ln -s libstdc++.so.6.0.28 libstdc++.so.6
strings /lib64/libstdc++.so.6 | grep  CXXABI | grep 12