How to define a C++ preprocessor macro through the command line with CMake?

Question

I try to set a preprocessor macro in the command line of CMake. I\'ve tried:

set generator=\"Visual Studio 8 2005\"
set params=-D MY_MACRO=1
cmake.exe -G %ge         


        

Answer 1

Try this: -D CMAKE_CXX_FLAGS=/DMY_MACRO=1