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Exactly... On 10/16/07, Jarod Wilson <[hidden email]> wrote: > On Tuesday 16 October 2007 02:56:31 pm Kristian Erik Hermansen wrote: > > Well Jon Hermansen, my brother (who is a fedora user), told me that > > 64-bit builds of fedora have a fully installable 32-bit firefox > > package alongside 64-bit firefoxm. True? What I meant was that on > > ubuntu you had to separately go out and pull down the official binary, > > which will not receive important security fixes as I presume you would > > with firefox32 on fedora64... > > Yes, all the 32-bit Fedora stuff is actually in the x86_64 repositories, and > properly updated along with everything else when needed. So is it simply a > matter of the Ubuntu 64-bit repos not actually having the 32-bit stuff > in 'em? > > > > > On 10/16/07, Jarod Wilson <[hidden email]> wrote: > > > On Tuesday 16 October 2007 02:25:59 pm Kristian Erik Hermansen wrote: > > > > I think you are mistaken. I have built plenty of both 32-bit and > > > > 64-bit binaries on Ubuntu. They offer both lib32 and lib64 > > > > directories. Again, there is no need for a chroot... > > > > > > Huh. Perhaps I'm getting confused with the early days of 64-bit Debian. > > > Honestly, I haven't followed any distributions outside of those built > > > inside our own walls in the last year or so... If what you say is true > > > (and I assume > > > it is), then what exactly are the remaining problems with multi-arch > > > support on Ubuntu? > > > > > > > On 10/16/07, Jarod Wilson <[hidden email]> wrote: > > > > > On Oct 16, 2007, at 11:38, Jerry Feldman wrote: > > > > > > On Tue, 16 Oct 2007 09:52:56 -0400 > > > > > > > > > > > > Jarod Wilson <[hidden email]> wrote: > > > > > >> A very important distinction to make here: some distributions > > > > > >> (including Fedora) have gone to great lengths to try to sanely > > > > > >> support multi-arch (mixing of 64-bit and 32-bit applications/ > > > > > >> libraries/etc), while others (including Ubuntu) simply punted and > > > > > >> require you to set up a chroot to run anything 32-bit on top of a > > > > > >> 64- bit environment. Thus its possible to run pretty much any > > > > > >> 32-bit userspace application on a 64-bit Fedora install with > > > > > >> minimal effort. > > > > > > > > > > > > Hi Jarod, > > > > > > I was wondering if you could elaborate a bit more on this. As I > > > > > > have a few 32-bit things running on Ubuntu 64. Certainly one of > the > > > > > > things you > > > > > > need is to have both the 32-bit as well as 64-bit libraries. As I > > > > > > documented, this morning I installed wine, which is a 32-bit > > > > > > executable. > > > > > > > > > > As I now understand it, there's actually a ia32-libs package or some > > > > > such thing that provides a few essential 32-bit libs for 64-bit > > > > > Ubuntu systems, so my blanket statement about requiring a chroot for > > > > > anything 32-bit wasn't quite right. However, outside of the scope of > > > > > binaries that are built to use those compat libs, 32-bit apps on a > > > > > 64- bit Ubuntu system require a 32-bit chroot, as the bulk of 32-bit > > > > > and 64-bit libraries are identically named and placed in identical > > > > > paths on the file system (typically, /usr/lib/libfoo.so.1). What > > > > > Fedora opted to do was put all 64-bit libraries in a different path > > > > > (/usr/ lib64/libfoo.so.1), which allows concurrent installation of > > > > > both the 32-bit and 64-bit varieties of the very same libraries, and > > > > > the 32- bit libraries you install are laid down by the exact same > > > > > packages you'd install on a pure 32-bit system. > > > -- > Jarod Wilson > [hidden email] > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > > _______________________________________________ > Discuss mailing list > [hidden email] > http://lists.blu.org/mailman/listinfo/discuss >
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