On 6 October 2017 at 11:42, Toebs Douglass wrote: > I am no expert, and what I say now may be completely wrong, but I wanted to > compile every GCC from 4.1.2 onwards on a range of targets, and it took me > three months to get to the point where I could build *some* of them. Some I > think *cannot* build (particularly older versions, particularly non-Intel > targets). Yes, for older versions there are some patches required to build them with modern compilers (or you can use an older GCC to build them). That's not relevant to current releases. GCC 7.2 can certainly be built. People do it every day.