[CMake] CMake generated rule is not recognized by make or dependency order?

[Brad King]

Tao Zhang wrote:
> I have an executable depends on some nonexisting  files.I use 
> ADD_CUSTOM_COMMAND to produce these files.

http://www.cmake.org/Wiki/CMake_FAQ#How_can_I_generate_a_source_file_during_the_build.3F

-Brad