[CMake] Using fluid, fltk, cmake and own headers

[Atwood, Robert C]

This seems to work (not quite as you suggest but similar) 


> 1.
> INCLUDE_DIRECTORIES(${WIRS_BUILD_DIR}/path/to/.{cxx|h}) as 
> appropriate. 

You mean ${WIRS_SOURCE_DIR} ... and that seems to work but I am still
puzzled why it is not included by default, it seems logical that your
own source dir should be included during the build process. 


Many thanks!
Robert