GEOS RFC 5: C++11 Upgrade

This document proposes GEOS upgrade to C++11 version of the C++ standard and describes benefits and outlines the process.

RFC 5:	C++11 Upgrade
Author:	Mateusz Łoskot
Contact:	mateusz@…
Status:	Planned/Draft

Summary

...long way to go, tbc.

Compilers Landscape

Summary of compilers supported by GEOS with their minimal versions required to compile source code based on ​C++11 features.

C++11

GCC	4.8.1+	​C++11 status	Debian 8 (stable), Ubuntu 15.04+, Ubuntu 14.04 ppa:ubuntu-toolchain-r/test, Fedora 19+, RHEL7
Clang	3.3+	​C++11 status	Debian 8 (stable), Ubuntu 14.04+, Fedora 19+, CentOS 6(?)
MSVC	12.0+ (2013)	​C++11 status	n/a

C++14

The C++14 compilers are listed for comparison only:

GCC	4.9+
Clang	3.4+
MSVC	14.0 (2015)