[cmake-developers] [PATCH] add FILE_IS_NEWER to IF()

[Alexander Neundorf]

Hi,

the attached patch adds
IF (FILE_IS_NEWER file1 file2)
which returns true if file1 is newer than file2 or if one of the two files 
doesn't exist.

I think I will need this for instance to for optimizing KDE4_AUTOMOC.

Bye
Alex
-- 
Work: alexander.neundorf AT jenoptik.com - http://www.jenoptik-los.de
Home: neundorf AT kde.org                - http://www.kde.org
      alex AT neundorf.net               - http://www.neundorf.net
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