= 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@loskot.net||
||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 [http://en.cppreference.com/w/cpp/compiler_support C++11 features].

=== C++11 ===
 
||GCC  ||4.8.1+      ||[https://gcc.gnu.org/projects/cxx-status.html#cxx11 C++11 status]    ||Debian 8 (stable), Ubuntu 15.04+, Ubuntu 14.04 `ppa:ubuntu-toolchain-r/test`, Fedora 19+, RHEL7 ||
||Clang||3.3+        ||[https://clang.llvm.org/cxx_status.html#cxx11 C++11 status]          ||Debian 8 (stable), Ubuntu 14.04+, Fedora 19+, CentOS 6(?)||
||MSVC ||12.0+ (2013)||[https://msdn.microsoft.com/en-us/library/hh567368.aspx 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)||