[CMake] How to build CMake so it works on an older Linux?

[Alexander Neundorf]

On 2018 M04 5, Thu 15:15:21 CEST Juan E. Sanchez wrote:
> The example I just sent was for building in centos 6, because 5 is gone.

not really gone, it's still in vault.centos.org :-)
https://hub.docker.com/r/aneundorf/centos5-build-base/~/dockerfile/

Alex