[CMake] Diff output from CMake?

[Clifford Yapp]

Eric -

Excellent!  That looks like it will do the trick.

Thank you!

CY

On Tue, Sep 13, 2011 at 4:53 PM, Eric Noulard <eric.noulard at gmail.com>wrote:

>
> If  I understand it well you want to compute "symmetric difference".
>
> Assuming BUILD_FILES and SVN_FILES initially contains  the whole list of
> names.
> Then could you try:
>
> set(BUILD_FILES_UNIQUE ${BUILD_FILES})
> set(SVN_FILES_UNIQUE ${SVN_FILES})
> list(REMOVE_ITEM BUILD_FILES_UNIQUE ${SVN_FILES})
> list(REMOVE_ITEM SVN_FILES_UNIQUE ${BUILD_FILES})
>
> I don't know about the performance of this with huge list but after that
> BUILD_FILES_UNIQUE and SVN_FILES_UNIQUE should contains what you want. at
> least it work on my small (attached) example.
>
>
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