[CMake] Propagating variable to toplevel parent

Mathieu Malaterre mathieu.malaterre at gmail.com
Wed Jul 7 08:45:51 EDT 2010


On Wed, Jul 7, 2010 at 1:07 PM, Bo Thorsen <bo at askmonty.org> wrote:
> Den 07-07-2010 12:34, Mathieu Malaterre skrev:
>>
>> Hi there,
>>
>>   I am wondering if I am missing anything here. How would one
>> propagate a variable across subdirectories in cmake ? I thought that a
>> simple CACHE variable would do the trick, but using cmake 2.8.1 I had
>> to do the following trick
>>
>> list(APPEND v "42")
>> # make sure to actually update the CACHE variable:
>> set(v ${v} CACHE INTERNAL "toto")
>>
>> My goal is that at the end of the toplevel cmakelists.txt file, cmake
>> would have collected a list of installation path.
>
> http://www.cmake.org/pipermail/cmake/2010-May/036743.html
>

Unless I am missing -again- something, this does not work across directories:

https://gdcm.svn.sourceforge.net/svnroot/gdcm/Sandbox/CMakeBug/14


Thanks
-- 
Mathieu


More information about the CMake mailing list