Hi Rob, On Tue, 30 Oct 2018 at 10:19, Robert Jones wrote: > > I've built various versions of Gcc many times on different machines, with > no problems. I have a script to record my learnings, so I'm pretty sure > I'm doing what I always do, but this time round I've hit a problem. > > This happens building Gcc 8.2 and 6.4, so it's not anything specific to > latest > version(s) > > My native C++ compiler reports > > g++ (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1) > > Operating system is > > Linux [...] 4.1.12-124.19.7.el6uek.x86_64 #2 SMP Sat Sep 29 17:30:15 PDT > 2018 x86_64 x86_64 x86_64 GNU/Linux > > And the machine is a VM. > > My first error are > > error: bits/c++config.h: No such file or directory Something went very wrong. There must be an earlier error that says why it didn't create this file. Without knowing how you configured it I can't say more. > error: ‘_GLIBCXX_END_NAMESPACE’ does not name a type That's just a consequence of <bits/c++config.h> not being found.