[CMake] Interference between siblings

[William A. Hoffman]

Different how?  CACHE variables are common to all directories and
could affect a Makefile.

-Bill

>Take the Makefile for app1 as an example. It is different from the 
>Makefile generated by using ccmake ....../src/apps/app1.
> 
>Weiguang
>
>-- 
>========================================================
>Weiguang Guan, Research Engineer
>RHPCS, McMaster University
>========================================================
>
>_______________________________________________
>CMake mailing list
>CMake at www.cmake.org
>http://www.cmake.org/mailman/listinfo/cmake