Neil Bothwick ha scritto: > On Fri, 26 Feb 2010 02:15:09 +0100, bn wrote: > >> I have a stable x86 system that requires still a bit of updating, among >> those libtool and gcc. Since I need the system to be usable *now* for >> work reasons, I don't feel like updating gcc and rebuilding it all with >> an emerge -e system / emerge -e world, but more and more packages want >> to upgrade to libtool 2.x > > GCC is slotted, so you can install the latest version but switch back to > the old version instantly if it gives you problems. Unless the is an ABI > change, which hasn't happened for a while, it is not necessary to rebuild > everything. >
That's exactly what I wanted to know. But it strikes me that from libtool 1.x to 2.x there's no ABI change. Is this correct? I don't know exactly what libtool does (I'm not a C programmer -well, apart from very basic stuff), but in general major version updates break compatibility, therefore my concern. m.