Performance problems in CMake support
neundorf at kde.org
Tue Apr 1 22:29:39 UTC 2008
On Wednesday 02 April 2008, Robert Knight wrote:
> What I think Aleix is getting at is that a lot of time seems to be spent
> in QDir::entryInfoList() to find various libraries and other files.
> QDir::entryInfoList() uses QDirIterator which spends a lot of time
> constructing QRegExps to do the filter matching.
I didn't check, but I think cmake itself doesn't read the full directory
contents but checks only if the specific files exist using access() or
something like this. This is probably faster.
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