On Fri, Jul 27, 2012 at 11:27 PM, Ben de Groot <yng...@gentoo.org> wrote: > On 28 July 2012 13:59, Nikos Chantziaras <rea...@gmail.com> wrote: >> On 28/07/12 08:22, Ben de Groot wrote: >>> >>> In preparation for that, we want to ask maintainers of all ebuilds in >>> the tree with dependencies on Qt4, to make sure that they have the >>> proper slot. Otherwise your package may pull in Qt5 while it may not >>> in fact support it. >> >> >> This can be trouble if the application actually works with Qt5. It might >> depend on Qt4 but has no problems with Qt5 (contrary to Qt3 vs Qt4, Qt5 is >> mostly compatible with much of existing Qt4 code), needlessly pulling-in >> Qt4. Many applications simply build and run as-is and no code changes are >> necessary. >> >> So what would be the methodology of making sure a package has the proper >> slot? > > Obviously you would need to make sure that the package actually does > support Qt5. Then, as I see it, we could do either: > > || ( x11-libs/qt-gui:4 x11-libs/qt-gui:5 ) >
This is wrong because qt4 and qt5 are not binary compatible. > or: > > qt4? ( x11-libs/qt-gui:4 ) > qt5? ( x11-libs/qt-gui:5 ) > This is the only alternative AFAICS. Thanks, Pesa
