> Use the cache only if the values need to be persistent. Otherwise I
> recommend using a GLOBAL property. See set_property() and get_property().
>
> Michael
Thank you Michael. Looks good. So let me summarize. The workflow
should looks like follow:
1. Top Level CMakeLists.txt:
add_subdirectory( foo )
2. Level 2 foo/CMakeLists.txt
set_property ( GLOBAL P_A PROPERTY "some value")
3. Level 1 CMakeLists.txt
get_property ( VAR_A GLOBAL PROPERY P_A)
message (STATUS "VAR_A=${VAR_A})
is that's right?
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