magnet:?xt=urn:btih:aa397f14c6516e0b06a7ec4c9bc57d5f801ed646&xt=urn:md5:2610fab448b471da561fe49dff5d38ce&xl=38456&dn=qtmacextras-opensource-src-5.4.2.tar.xz&as=https://download.qt.io/new_archive/qt/5.4/5.4.2/submodules/qtmacextras-opensource-src-5.4.2.tar.xz&tr=http://bt.qt-project.org:6969/announce