cmake编译出错：No CMAKE_CXX_COMPILER could be found.

错误类似：

-- The CXX compiler identification is unknown
-- The C compiler identification is GNU 8.3.0
CMake Error at CMakeLists.txt:99 (enable_language):No CMAKE_CXX_COMPILER could be found.Tell CMake where to find the compiler by setting either the environmentvariable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full pathto the compiler, or to the compiler name if it is in the PATH.

解决办法：

sudo apt install -y build-essential