On Sat, 22 Jan 2005, Steven Pasternak wrote: > On Saturday 22 January 2005 18:11, James Wilkinson wrote: > > Steven Pasternak wrote: > > > Is it possible to install an old gcc and use it like the package > > > 'compat-gcc' does? For example, I want gcc 3.4 for the things I compile > > > for me, but RPMs I build for ancient systems I want to be built with gcc > > > 2.7.x. Is it possible to like install 3.4 in /usr and 2.7 in /usr/gcc or > > > something like that? If so, how exactly? Thanks! > > > > Erm ... "ancient" is right. We're talking RHL 5.x and similar here? > > > > Thing is, compatibility is not simply a matter of which compiler you > > use. To begin with, I don't think Fedora rpm will build a package that > > the rpm on those systems will recognise. I suspect you're going to be > > updating a *lot* of basic files to get this to work. > > > > Wouldn't it be easier to install a suitably old version of Red Hat > > Linux, and produce the RPMs there? > > > I was just using 2.7 as an example because it was the first thing to come to > mind. I just want to produce rpms that will work on my fedora system and my > friend's suse system. I'm not talking about complex RPMs either, nothing like > X. I just want to make something that doesn't gripe because I don't have > libsdc++ 3.4, but something more general that works on systems just a few > years old, maybe around 1 1/2 to 2 years. It is possible to install gcc295 (from rpmfind.net) on FC3. I've tried using it with simple codes. And I don't see a corresponding g++295 Not sure what other comatibility issues you'll encounter if building rpms on FC3 with this compiler - and installing on older machines. (glibc etc..) Satish
