reno@MyComputer:~/tools/cmake-3.12.4$ ./configure
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CMake 3.12.4, Copyright 2000-2018 Kitware, Inc. and Contributors
C compiler on this system is: cc
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Error when bootstrapping CMake:
Cannot find a C++ compiler that supports both C++11 and the specified C++ flags.
Please specify one using environment variable CXX.
The C++ flags are "".
They can be changed using the environment variable CXXFLAGS.
See cmake_bootstrap.log for compilers attempted.
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Log of errors: /home/reno/tools/cmake-3.12.4/Bootstrap.cmk/cmake_bootstrap.log
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解决方案：sudo apt-get install g++