CentOS下編譯安裝Gcc-4.9

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  給公司測試伺服器搭環境,手工安裝gcc-4.9.0頗費功夫,記錄如下。

  1、安裝gcc、g++,系統源預設安裝版本為4.4.7;

  2、安裝依賴包GMP、MPFR、MPC,注意安裝順序;

  3、修改動態庫連結路徑,加入GMP、MPFR、MPC;

  4、編譯安裝Gcc-4.9,新建立目錄gcc-build來存放Make過程產生檔案;

  5、拷貝Gcc-4.9的標頭檔至目錄/usr/include/c++;

  6、修改LD_LIBRARY_PATH、PATH和CPLUS_INCLUDE_PATH;

  7、建立新的Gcc、G++軟串連。

1、    yum -y install gcc    yum -y install gcc-c++2、    mkdir /usr/local/gmp-4.3.2    ./configure --prefix=/usr/local/gmp-4.3.2/    make    make install    mkdir /usr/local/mpfr-2.4.2    ./configure --prefix=/usr/local/mpfr-2.4.2 --with-gmp=/usr/local/gmp-4.3.2    make    make install    mkdir /usr/local/mpc-0.8.1    ./configure --prefix=/usr/local/mpc-0.8.1 --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-2.4.2    make    make install3、    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2/lib:/usr/local/mpc-0.8.1/lib4、    mkdir gcc-bulid    cd gcc-build    ../gcc-4.9.0/configure --prefix=/usr/local/gcc-4.9.0 --exec-prefix=/usr/local/gcc --enable-languages=c,c++ --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-2.4.2 --with-mpc=/usr/local/mpc-0.8.1 --disable-multilib    make    make install5、    cp -r /usr/local/gcc-4.9.0/include/c++/4.9.0 /usr/include/c++6、    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2/lib:/usr/local/mpc-0.8.1/lib:/usr/local/gcc/lib64    export PATH=$PATH:/usr/local/gcc/bin    export CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:/usr/include/c++/4.9.0:/usr/include/c++/4.9.0/x86_64-unknown-linux-gnu7、        mv gcc gcc-4.4.7    ln -s /usr/local/gcc/bin/gcc ./gcc    mv g++ g++-4.4.7    ln -s /usr/local/gcc/bin/g++ g++

 

CentOS下編譯安裝Gcc-4.9

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