On 05/25/2012 04:22 PM, Ángel González wrote: > On 25/05/12 10:30, Andrew Haley wrote: >> On 05/24/2012 06:40 PM, Xin Tong wrote: >>> I am looking for an older version of gcc ( gcc version 3.4.X). I can >>> not find it in my os software repository. therefore i decide to >>> download the source and compile it myself. I am looking at this >>> download link and have a few questions. >> This is going to be tricky. Older versions of gc generally don't >> compile with newer versions, and you'll have to do some fixing >> up. > I thought the minimum compiler requirements for the bootstrap compiler > where very limited. > Isn't it even backwards compatible for one version? (ie. you can use > version X > to build X-1, then X-1 to build X-2...) Not usually. Very old versions of gcc were often written in semi-broken nonstandard C. Andrew.