> What's the use of a Fedora ARM binary, or an Ubuntu Itanium one ? If the matching distro doesn't exists, it's a waste.
Speaking from personal experience, binary compatibility is a lot easier than most Linux people think. I think that the focus they have on source makes them terrified of binary issues. (Source is good of course, but that doesn't mean that binary is always bad.) I help maintain a rather complex piece of software for which we have (among other options) a universal binary installer. It was a bit of work to start with to work out what issues we had to solve (the autopackage webpage is a very good resource here, whatever you may think of their package format), but once we got past that we have had very few issues over many years.