magnet:?xt=urn:btih:a6aad47948f1dfac34b36a279cd8b07ae19876e8&xt=urn:md5:70bb6d766fc76dbf972fd412c184074f&xl=185673425&dn=qt-mac-opensource-4.2.0-debug-libs.dmg&as=https://download.qt.io/new_archive/qt/4.2/qt-mac-opensource-4.2.0-debug-libs.dmg&tr=http://bt.qt-project.org:6969/announce