How to add custom build type to cmake?

Question

CMake

I want to add my build type to cmake and call cmake like this:
cmake -DCMAKE_BUILD_TYPE=mytype
In CMakeLists.txt I added the following lines:

set(CMAKE_CXX_FLAGS_DEBUG "-fPIC -o0 -g")
set(CMAKE_CXX_FLAGS_MYTYPE "-fPIC -o0 -g -m32")
set(CMAKE_CXX_FLAGS_RELEASE "-fPIC -o3)

Judging by the documentation, this is enough, but the project is still compiled with the CMAKE_CXX_FLAGS_DEBUG flags.
What else do I need to do?

Answer 1

Try putting these sets before the project directive, sometimes it helps.