magnet:?xt=urn:btih:37fb7ab6dec2828f626388af15ae7bb728ba2dfb&xt=urn:md5:1d5a2ff92bb786b6ecad7774f0160978&xl=118361&dn=qtmacextras-opensource-src-5.4.2.zip&as=https://download.qt.io/new_archive/qt/5.4/5.4.2/submodules/qtmacextras-opensource-src-5.4.2.zip&tr=http://bt.qt-project.org:6969/announce