[CMake] "could not find cmake module"

[Christian Vander Jagt]

I am trying to use cmake to compile a program from source code, i am getting 
this error:
CMake Error: Error required internal CMake variable not set, cmake may be not be
 built correctly.
Missing variable is:
CMAKE_CXX_COMPILER_ENV_VAR
CMake Error: Could not find cmake module file:C:/MinGW/msys/1.0/home/Kristy/CMak
eFiles/CMakeCXXCompiler.cmake
-- Configuring incomplete, errors occurred!
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