Cent OS 6.7中的g ++ 4.9.2将编译但不会链接
我正在使用Centos 6.7,并安装了devtools-3发行版并“启用”了它,使gcc 4.9.2成为默认值。一个使用正则表达式的简单C ++程序将进行编译,但不会链接。 // regex_search example #include <iostream> #include <string> #include <regex> int main() { std::string s("this subject has a submarine as a subsequence"); std::smatch m; std::regex e("\\b(sub)([^ ]*)"); // matches words beginning by "sub" std::cout << "Target sequence: " << s << std::endl; std::cout << "Regular expression: /\\b(sub)([^ …