Hi,
[Tldr; We bump the minimum supported version to CentOS7/RHEL7, or,
CentOS6/RHEL6 + devtools-2 compilers.]
Today, our minimum run- and build-time requirements are based on a simple
criteria: Whatever comes with CentOS / RHEL v6.x. This dictates:
* openssl-1.0.1e
* gcc-4.4.7
* glibc-2.12
* pcre-7.8
* tcl-8.5.7
* expat-2.0.1
Needed when building from source (or making a distro tar-ball):
* autoconf-2.63
* automake-1.11.1
* libtool-2.2.6
Optional (but recommended):
* libcap-2.16
* hwloc-1.5
* libunwind-1.1
My suggestion is that we bump the tool-chain versions for the required packages
to what is provided by CentOS7, which can be installed using e.g.
http://people.centos.org/tru/devtools-2/6/
<http://people.centos.org/tru/devtools-2/6/> .This would bump those required
versions to:
* openssl-1.0.1e (same)
* gcc-4.8.5 (devtools-2 only has 4.8.1, but that’s probably ok?)
* pcre-8.32
* tcl-8.5.13
* expat-2.1.0
I suggest we keep the requirement on glibc at v2.12, since that’s a real PITA
to upgrade safely. Odds are that the only thing that matters here is the GCC
version, which is also why we’d want to do this. gcc v4.8 or later would give
us almost all C++11 features available:
https://gcc.gnu.org/gcc-4.8/cxx0x_status.html
<https://gcc.gnu.org/gcc-4.8/cxx0x_status.html>
But, this is not a reason to go nuts and use every damn C++11 and STL feature
there is, our normal development rules till applies! Keep it simple so I can
still understand at least some of the code … Sorry Brian! :)
Tldr; We bump the minimum supported version to either CentOS7/RHEL7, or,
CentOS6/RHEL6 + devtools-2 compilers.
Thoughts?
— leif
