首先下载相应的源代码:
#下载 gcc-4.6.1.tar.bz2 #下载 gmp-4.3.2.tar.bz2 mpfr-2.4.2.tar.bz2 mpc-0.8.1.tar.gzStep 0:
123 | $sudo apt-get install build-essential$sudo apt-get install zlibc$sudo apt-get install zlib1g-dev |
Step 1: 安装 gmp-4.3.2
1234 | #cd to src_dir$./configure --prefix=/usr/local/gmp-4.3.2$make$sudo make install |
Step 2: 安装 mpfr-2.4.2
1234 | #cd to src_dir$./configure --prefix=/usr/local/mpfr-2.4.2 --with-gmp=/usr/local/gmp-4.3.2$make$sudo make install |
Step 3: 安装 mpc-0.8.1
1234 | #cd to src_dir$./configure --prefix=/usr/local/mpc-0.8.1 --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-2.4.2$make$sudo make install |
Step 4: 安装 gcc-4.6.0
12345 | $export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/mpc-0.8.1/lib:/usr/local/gmp-4.3.2/lib:/usr/local/mpfr-2.4.2/lib#cd to src_dir$./configure --prefix=/usr/local/gcc-4.6.1 --enable-threads=posix --disable-checking --disable-multilib --enable-languages=c,c++ --with-gmp=/usr/local/gmp-4.3.2 --with-mpfr=/usr/local/mpfr-2.4.2 --with-mpc=/usr/local/mpc-0.8.1$make$sudo make install |
Step 5: 多版本支持
为了让支持多个gcc版本,需要做以下设置: 1234 | $ sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.5 40$ sudo update-alternatives --install /usr/bin/gcc gcc /usr/local/gcc-4.6.1/bin/gcc 60#选择你需要的版本$sudo update-alternatives --config gcc |
Step 6:添加新版共享库
为了在编译软件时候,可以使用到最新的共享库 1 | $sudo vim /etc/ld.so.conf.d/x86_64-linux-gnu.conf |
添加下面内容
/usr/local/gcc-4.6.1/lib64/保存后执行,更新共享库 1 | $sudo ldconfig |