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裝wing時看到這個錯誤訊息

Your C++ compiler (g++) is not a GNU C++ compiler!
Either set the 'CXX' environment variable to tell me where
a GNU C++ compiler is, or compile at your own risk.
(This code uses a few GCC extensions and GCC-specific compiler options,
and Linux header files are GCC-specific.)


configure: error: C++ preprocessor "/lib/cpp" fails sanity check

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解決方法是：

apt-get install g++

--

沒裝g++　= ="