[CMake] Variable visibility through CMake directory strucutre

[Iacopo Palazzi]

Hi there,
the question I'm wondering about concerns the variable visibility during the 
CMake configuration process.

Assume you have a two-level structure project:

	./
	./core

Assume that the ./CMakeLists.txt is something like this:

	ADD_SUBDIRECTORY(core)

	FOREACH(F ${PRJ_SOURCES})
		MESSAGE(STATUS "File: ${F}")
	ENDFORACH(F ${PRJ_SOURCES})

Assume that the ./core/CMakeLists.txt is like this:

	SET(PRJ_SOURCES file.cpp)

The workflow wants that the ./core/CMakeLists.txt is being processed as first 
and then, the ./CMakeLists.txt.
In the ./CMakeLists.txt I expect the ${PRJ_SOURCES} with file.cpp inside 
because the ./core/CMakeLists.txt structure, but it's empty. Seems like that 
returning from ./core/CMakeLists.txt, the ${PRJ_SOURCES} is not returned with 
the filled data.

Is that a variable-visibility issue or something else unknown to me?

Tnx ppl.

-- 
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Iacopo Palazzi <iakko at siena.linux.it>
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