CentOS 5.7 编译安装gcc/g++ 4.8.4

CentOS 5.X 自带的 gcc/g++依然是4.1.2,太老了。

本文记录了在CentOS上编译安装gcc 4.8.4的过程。

1、安装依赖三大件
按顺序安装gmp、mpfr、mpc,注意要都是disable share

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wget ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-4.3.2.tar.gz
tar -xzvf gmp-4.3.2.tar.gz
./configure --enable-shared=no
make -j4
sudo make install
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-4.3.2.tar.gz tar -xzvf gmp-4.3.2.tar.gz ./configure --enable-shared=no make -j4 sudo make install
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-4.3.2.tar.gz
tar -xzvf gmp-4.3.2.tar.gz
./configure --enable-shared=no
make -j4
sudo make install
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wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-2.4.2.tar.bz2
tar -xjvf mpfr-2.4.2.tar.bz2
cd mpfr-2.4.2
./configure --enable-shared=no
make -j4
sudo make install
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-2.4.2.tar.bz2 tar -xjvf mpfr-2.4.2.tar.bz2 cd mpfr-2.4.2 ./configure --enable-shared=no make -j4 sudo make install
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-2.4.2.tar.bz2

tar -xjvf mpfr-2.4.2.tar.bz2
cd mpfr-2.4.2
./configure --enable-shared=no
make -j4
sudo make install
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wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-0.8.1.tar.gz
tar -xzvf mpc-0.8.1.tar.gz
cd mpc-0.8.1
./configure --disable-shared
make -j2
sudo make install
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-0.8.1.tar.gz tar -xzvf mpc-0.8.1.tar.gz cd mpc-0.8.1 ./configure --disable-shared make -j2 sudo make install
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-0.8.1.tar.gz
tar -xzvf mpc-0.8.1.tar.gz
cd mpc-0.8.1
./configure --disable-shared
make -j2
sudo make install

上述步骤也可以有偷懒的方法:让gcc自动下载并编译。

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cd gcc-4.8.4 
./contrib/download_prerequisites
cd gcc-4.8.4  ./contrib/download_prerequisites
cd gcc-4.8.4 
./contrib/download_prerequisites

2、编译gcc

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wget http://ftp.tsukuba.wide.ad.jp/software/gcc/releases/gcc-4.8.4/gcc-4.8.4.tar.gz
tar -xzvf gcc-4.8.4.tar.gz
cd gcc-4.8.4
./configure --prefix=/home/coder4/soft/gcc4.8.4 --with-mpfr-lib=/usr/local/lib --enable-languages=c,c++ --disable-multilib
LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
make -j4
make install
wget http://ftp.tsukuba.wide.ad.jp/software/gcc/releases/gcc-4.8.4/gcc-4.8.4.tar.gz tar -xzvf gcc-4.8.4.tar.gz cd gcc-4.8.4 ./configure --prefix=/home/coder4/soft/gcc4.8.4 --with-mpfr-lib=/usr/local/lib --enable-languages=c,c++ --disable-multilib LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib" make -j4 make install
wget http://ftp.tsukuba.wide.ad.jp/software/gcc/releases/gcc-4.8.4/gcc-4.8.4.tar.gz
tar -xzvf gcc-4.8.4.tar.gz
cd gcc-4.8.4
./configure --prefix=/home/coder4/soft/gcc4.8.4 --with-mpfr-lib=/usr/local/lib --enable-languages=c,c++ --disable-multilib
LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
make -j4
make install

补充一下,上面的LD_LIBRARY_PATH很重要,如果不指定,make会出奇奇怪怪的错误。

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