c++11 gcc4.8.x安装

要安装PHP-CPP，需要c++11，否则就会报错，错误信息如下所示：

g++ -Wall -c -g -std=c++11 -fpic -o shared/common/modifiers.o common/modifiers.cpp
cc1plus: error: unrecognized command line option "-std=c++11"
make: *** [shared/common/modifiers.o] Error 1文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

如果安装c++11 gcc4.8.x呢？请看下面文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

配置yum源：文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

# vim /etc/yum.repos.d/devtools-2.repo
[testing-devtools-2-centos-$releasever]
name=testing 2 devtools for CentOS $releasever 
# baseurl=http://puias.princeton.edu/data/puias/DevToolset/$releasever/$basearch/
baseurl=http://people.centos.org/tru/devtools-2/$releasever/$basearch/RPMS
gpgcheck=0

或是直接从这里下载：http://people.centos.org/tru/devtools-2/devtools-2.repo文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

或安装http://puias.princeton.edu/data/puias/DevToolset/6/x86_64/devtoolset-2-2.1-4.el6.noarch.rpm文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

安装：文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

# yum install devtoolset-2-gcc-4.8.1 devtoolset-2-gcc-c++-4.8.1

测试gcc版本：文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

# /opt/rh/devtoolset-2/root/usr/bin/gcc --version
gcc (GCC) 4.8.1 20130715 (Red Hat 4.8.1-4)
Copyright (C) 2013 Free Software Foundation, Inc.

修改环境变量：文章源自运维生存时间-https://www.ttlsa.com/linux/how-to-install-c11-gcc4-8-x/

# ln -s /opt/rh/devtoolset-2/root/usr/bin/* /usr/local/bin/
# hash -r
# gcc --version
gcc (GCC) 4.8.1 20130715 (Red Hat 4.8.1-4)
Copyright (C) 2013 Free Software Foundation, Inc.