[cmake-developers] Default compile options

[Robert Goulet]

In our root CMakeLists.txt file we do this:

set(CMAKE_C_FLAGS)
set(CMAKE_CXX_FLAGS)
set(CMAKE_C_FLAGS_DEBUG "-D_DEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "-D_DEBUG")
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG")

This is to reset the build flags for all platforms, but it doesn't seems to work very well.

For instance, if we generate a Visual Studio project, it seems to work just fine, but in a Makefile those flags are not even passed to the compiler. Is this a bug or perhaps we are not doing it right? Why would it work for VS but not makefiles?

Any suggestions?

Thanks!

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