Hello, Arnaud Vrac. What tool should should generate binary cache on Mac OS/Windows?
2015-02-17 13:56 GMT+03:00 Arnaud Vrac <raw...@gmail.com>: > Here is the description of the binary file from the shared-mime-info spec: > > http://standards.freedesktop.org/shared-mime-info-spec/latest/ar01s02.html#idm140622087725744 > > On Tue, Feb 17, 2015 at 11:51 AM, Arnaud Vrac <raw...@gmail.com> wrote: > >> Commit fbeeaf2 in qtbase adds QT_NO_MIMETYPE: >> >> "The mime type stuff generates one of the biggest translation units in >> QtCore due to the compressed 1.7MB freedesktop.org.xml resource. With >> QT_NO_MIMETYPE, libQt5Core.so is almost 400Kb smaller (4.8MB->4.4MB gcc 4.9 >> stripped release build)" >> >> It would be nice to be able to find a middle ground between disabling the >> mime database completely and adding 1.7MB of data to Qt. The >> update-mime-database binary from the shared-mime-info package can generate >> a binary file from the XML, which is 100KB large and still allows finding >> the mimetype of any file. The only difference with the XML is that you >> don't have the translated pretty string for the mime type. The binary file >> can also be mmapped and used for every request very efficiently, instead of >> allocating all mime types data in memory. >> >> -- >> Arnaud Vrac >> > > > > -- > Arnaud Vrac > > _______________________________________________ > Development mailing list > Development@qt-project.org > http://lists.qt-project.org/mailman/listinfo/development > >
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