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我将学习c++11,所以我安装了g++4.7,当我使用时g++ --version,它显示4.4版本。但是当我使用时find / -name g++,它显示 /opt/centos/devtoolset-1.1/root/usr/bin/g++ /usr/bin/g++ 第一个版本是4.7,第二个版本是4.4,如何将g ++ 4.7设置为默认值。谢谢!
g++ --version
find / -name g++
/opt/centos/devtoolset-1.1/root/usr/bin/g++ /usr/bin/g++