On Friday 03 Apr 2015 19:09:23 [email protected] wrote: > Mick <[email protected]> wrote: > > On Friday 03 Apr 2015 17:48:38 [email protected] wrote: > > > Grant Edwards <[email protected]> wrote: > > > > On 2015-04-03, Walter Dnes <[email protected]> wrote: > > > > > On Thu, Apr 02, 2015 at 02:12:40PM -0300, Francisco Ares wrote > > > > > > > > > >> Hi, > > > > >> > > > > >> How does one know previously which packages will require 32 bit > > > > >> ABI ? > > > > >> > > > > >> I have two systems (among others) to consider: one is very simple, > > > > >> built using as fewer packages as possible, it is the development > > > > >> system for an embedded equipment, and it is 64 bit ABI only - no > > > > >> multilib; the other is a general purpose workstation, with lots > > > > >> of packages, and someday, by some forgotten reason, I needed to > > > > >> install emul-linux-* . > > > > >> > > > > > Can you attach your /var/lib/portage/world file to a post here? > > > > > I > > > > > > > > > > assume you have nothing embarressing in it. Almost all > > > > > applications that used to require 32-bit emulation now run > > > > > natively on 64-bit no-multilib. I recently upgraded a 7+ year old > > > > > machine from 32-bit Gentoo to 64-bit-only Gentoo (no-multilib) and > > > > > I don't have any apps with problems as 64-bit only. > > > > > > > > The only two 32-bit apps I've run into on my various XFCE machines > > > > are grub-legacy (which requires a 32-bit ncurses lib), and acroread > > > > (which requires 100+ 32-bit libraries). > > > > > > hmmm, I have 7 emul-linux86 packages, but portage did not offer to > > > replace them when I checked today for a world update -- I didn't want > > > to remove them manually, I thought it might do more harm than good. I > > > am not sure whether I need any 32-bit libraries, although I do have > > > multilib enabled, but I wonder about those emul-linux-x86 packages. > > > Any way for me to tell what is going on here such as dependencies on > > > 32-bit libraries? > > > > Try this perhaps: > > > > for EMUL in $(eix -I --only-names emul-linux); do equery depends $EMUL; > > done > > > > unmerge them and the run 'emerge @preserved-rebuild'. Portage will then > > tell you which 32bit packages you will need to add in your package.use > > file with the 32 bit ABI flag. > > hmmm, one of the things dependent on emul-linux thingies is the C > compiler! both 4.8.4 and 4.9, so if I unmerge the emul things, will I > still have a C compiler? Otherwise nvidia-drivers seems to also need > emul-linux and they depend on each other.
I suspect some other 32bit binary package which uses Xorg, requires your nvidia-drivers to be a of a 32bit flavour. Not so sure about the C compiler. I seem to recall rebuilding gcc recently, but can't recall if this was as a result of unmerging all emul-linux. -- Regards, Mick
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