Use C++14

.travis.yml

@@ -1,9 +1,14 @@
 sudo: required
 dist: trusty
-language: cpp
+language: generic
+env:
+  - CXX=g++-5 CC=gcc-5
 addons:
   apt:
+    sources:
+      - ubuntu-toolchain-r-test
     packages:
+      - g++-5
       - libbullet-dev
       - libsdl2-dev
       - libmad0-dev

CMakeLists.txt

@@ -8,7 +8,7 @@ project(OpenRW)
 
 # Global Build Configuration
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DRW_DEBUG=1")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -pthread -Wextra -Wpedantic")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wall -pthread -Wextra -Wpedantic")
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/modules")
 
 set(RW_VERBOSE_DEBUG_MESSAGES 1 CACHE BOOL "Print verbose debugging messages")