Qt5.15.0-rc2-static-macosx10.15

configure command:

configure -static -qt-zlib -qt-libjpeg -qt-libpng -qt-pcre -qt-freetype -platform macx-clang -sql-sqlite  -confirm-license -opensource -release -nomake examples -nomake tests -skip webengine -skip webview -skip webchannel -skip webglplugin -skip doc -sdk macosx10.15

Have fun!