C++ 未找到版本“GLIBCXX_3.4.22”
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Version `GLIBCXX_3.4.22' not found
提问by dk13
I have built a C++ app on a VM Ubuntu 16.04 on which I have installed g++ compiler 6.2.0 in order to support C++14 features. When I tried to run it on new clean VM 16.04 which has default the g++ 5.4.0 the error /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.22' not foundpops up.
I've noticed that on the VM with the updated compiler library libstdc++.so.6.0.22 has been installed. On the clean VM I'd like to avoid to update the compiler so I tried to install only the latest libstdc++6 package. However the library that was installed was libstdc++.so.6.0.21 and so the problem persisted. How can I install specifically the libstdc++.so.6.0.22 version?
我在 VM Ubuntu 16.04 上构建了一个 C++ 应用程序，在该 VM 上安装了 g++ 编译器 6.2.0 以支持 C++14 功能。当我尝试在默认为 g++ 5.4.0 的新干净 VM 16.04 上运行它时，会弹出错误 /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.22' not found。
我注意到在 VM 上安装了更新的编译器库 libstdc++.so.6.0.22。在干净的 VM 上，我想避免更新编译器，因此我尝试仅安装最新的 libstdc++6 包。但是安装的库是 libstdc++.so.6.0.21 ，所以问题仍然存在。如何专门安装 libstdc++.so.6.0.22 版本？
采纳答案by Gert Wollny
You could try to use pinningto make sure only the packages you want are updated to a newer version.
您可以尝试使用固定来确保只将您想要的包更新到较新的版本。
Alternatively, you could simply compile your program with g++ 5.4, because according to this page, this compiler already supports all c++14, the only difference is that g++-6 defaults to -std=c++14, whereas with g++-5 you have to set the language standard explicitly.
或者，您可以简单地使用 g++ 5.4 编译您的程序，因为根据此页面，该编译器已经支持所有 c++14，唯一的区别是 g++-6 默认为-std=c++14，而使用 g++- 5 您必须明确设置语言标准。
回答by Krishan Kumar Mourya
You need to upgrade libstdc++6 to latest version like this
您需要像这样将 libstdc++6 升级到最新版本
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-4.9
sudo apt-get upgrade libstdc++6
After that you can check if you get GLIBCXX desired version like this:
之后，您可以检查是否获得了 GLIBCXX 所需的版本，如下所示：
strings /usr/lib/x86_64-linux-gnu/libstdc++.so.6 | grep GLIBCXX
