Project build configuration in CMake

Question

My question is very similar to CMake : Changing name of Visual Studio and Xcode exectuables depending on configuration in a project generated by CMake. In that post the outp

Answer 1

There is always another way:

  if(CMAKE_BUILD_TYPE MATCHES "release")

    SET(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE})

  else(CMAKE_BUILD_TYPE MATCHES "debug")

     SET(CMAKE_BUILD_TYPE "debug")

   endif(CMAKE_BUILD_TYPE MATCHES "release")

We can use the variable CMAKE_BUILD_TYPE. We can also change this variable at the beginning of invoking CMAKE:

cmake .. -DCMAKE_BUILD_TYPE:STRING=debug

Then we can use this variable as an indicator of build configuration.