Performance problems in CMake support

[Alexander Neundorf]

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.

Alex