1) Add CMake build command: cmake --build build

2) Create a build directory in the project

3) Init CMakeLists.txt and run cmake -G "Unix Makefiles" -DCMAKE_MAKE_PROGRAM=ming32-make

mymachine ~/cppsandbox/memories/build
λ cmake .. -G "Unix Makefiles" -DCMAKE_MAKE_PROGRAM=mingw32-make
-- The C compiler identification is GNU 7.3.0
-- The CXX compiler identification is GNU 7.3.0
-- Check for working C compiler: C:/msys64/mingw64/bin/cc.exe
-- Check for working C compiler: C:/msys64/mingw64/bin/cc.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: C:/msys64/mingw64/bin/c++.exe
-- Check for working CXX compiler: C:/msys64/mingw64/bin/c++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: C:/Users/pmu/cppsandbox/myprj/build