So that means its not easy to build on a up to date centos (and maybe
most other Red Hat based) distros?
You would need to install a newer version of cmake from some other
source e.g https://cmake.org/ ?
On 05/04/18 16:52, Greg Landrum wrote:
Yeah, thats another change that has been made. I will update the docs.
Thanks for pointing out the oversight
-greg
On Thu, 5 Apr 2018 at 17:30, Tim Dudgeon <tdudgeon...@gmail.com
<mailto:tdudgeon...@gmail.com>> wrote:
Greg,
Does this explain problems I'm seeing with building on Centos:
From the current docs:
cmake. You need version 2.6 (or more recent)
With a current centos7 distro after a `yum install cmake`
# cmake --version
cmake version 2.8.12.2
When you build from current master branch you get this error:
CMake Error at CMakeLists.txt:1 (cmake_minimum_required):
CMake 3.1 or higher is required. You are running version 2.8.12.2
This is not seen when you build from the Release_2017_09_2 branch.
Tim
On 04/04/18 04:23, Greg Landrum wrote:
NOTE: If you don't work with the RDKit at the C++ level or build
the code yourself from source, you probably don't need to read
this email.
TL;DR: When we do the beta for the 2018.03.1 release we're going
to switch the C++ backend to use modern C++ (=C++11). For people
who can't switch to use that code, we will continue to provide
bug fixes for the 2017.09 release for at least another 6 months.
--------------------------------------
# What's happening?
As part of the upcoming 2018.03 release, we will start using
modern C++ for the RDKit - this means C++11 at the moment, the
goal is that you should be able to build the code with g++ v4.8.
I've been talking about this for a while, blogged about it
(https://medium.com/@greg.landrum_t5/the-rdkit-and-modern-c-48206b966218),
and posted to the rdkit-devel list
(https://sourceforge.net/p/rdkit/mailman/message/35811216/), now
it's finally happening.
Concretely what this means in github is that the current master
branch will be renamed to legacy and the modern_cxx branch will
be renamed to master.
# Who does this affect?
This should only affect people who need to build the RDKit C++
code themselves. If you use a binary version of the RDKit like
the ones available inside of Anaconda Python or KNIME, this
change should have no impact upon you.
# What about people who can't use up-to-date compilers?
We realize that some people on older operating systems will not
be able to switch to start using a compiler that supports C++11.
In order to continue to support this subset of developers, we
will continue to apply bug fixes to the current Release_2017_09
branch and do occasional patch releases. Since this is intended
for people who need to build the code themselves anyway, we won't
do builds of these releases any more.
We will keep doing these patch release at least until the 2018.09
release. Whether or not we continue past that date will depend on
demand, so if you are using these releases please let us know.
# Why are you doing this?
There's a long, rambling answer to this, but I'm not going to
give it here. :-)
The simplest explanation is that we think that the core of the
RDKit should be using a modern and (reasonably) up-to-date
version of the language that it's written in. The developer
experience is better and, happily, the code ends up being faster.
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