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由于编译nodejs 5.1需要4.7以上版本的gcc,而CentOS自带的gcc版本只有4.3,因此需要手动编译安装。所有操作都默认由root用户执行。
1.下载源码
# wget ftp://mirrors.kernel.org/gnu/gcc/gcc-4.9.0/gcc-4.9.0.tar.gz
2. 解压,下载依赖包
# tar -zxvf gcc-4.9.0.tar.gz # cd gcc-4.9.0 # ./contrib/download_prerequisites
3. 编译并安装
# ./configure --enable-checking=release --enable-languages=c,c++
--disable-multilib # make -j4 # make install
make -j4大约会持续20多分钟。-j4是多线程的优化,CPU 8线程的话可以-j8。
4. 查看版本
(之后我好像重启了一次系统才生效)
# gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/local
/libexec/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper Target:
x86_64-unknown-linux-gnu Configuredwith: ./configure --enable-checking=release
--enable-languages=c,c++ --disable-multilib Thread model: posix gcc version 4.9
.0 (GCC)