[CMake] Problem with PARENT_SCOPE

[ankit jain]

Hi all,

Actually i am usinf PARENT_SCOPE property but facing some problem.

the directory structure i have is like this
f1
...f2
    .....f3 (inside f2)
 i.e f1 has f2 folder and f2 has f3

in f3 i have demo.cpp file

i set a variable for this file as set(myvar demo.cpp)
Also i did set(myvar1 ${myvar} PARENT_SCOPE)

Due to this now myvar1 should be visible in f2 which has value demo.cpp

now what i want actually is that myvar1 should be visible in f1 but if did
like this in f2:
set(myvar2 ${myvar1} PARENT_SCOPE)

it is not working. i dont know why.
Is iam doing something wrong.

Please guide me how to make a variable of folder f3 visible in folder f1

Regards-
Ankit
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