On 07/04/17 15:38, Christer Solskogen wrote: > On 07.04.2017 14.57, Toebs Douglass wrote: >> Also I expect those different versions are all built using the single >> glibc used by the distro? I would like to vary glibc as well, so I can >> benchmark pthread locking mechanisms across glibc versions. > What you can do is to build multiple "cross" compilers that are linked > to every version of glibc. Yes. This is my goal. The problem I currently face is getting GCC and glibc actually built. > But aren't you also a bit using different > versions of the kernel as well? I may be wrong, but I don't think so; I have the sources for my distro, and I'm using them for the Linux kernel headers. All GCC and glibc builds will use those headers.