Increase gcc and clang to c++14

cmake/compiler/clang/settings.cmake

@@ -16,7 +16,7 @@ endif()
 
 # -Wno-narrowing needed to suppress a warning in g3d
 # -Wno-deprecated-register is needed to suppress 185 gsoap warnings on Unix systems.
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wno-narrowing -Wno-deprecated-register")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wno-narrowing -Wno-deprecated-register")
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG=1")
 
 if (BUILD_SHARED_LIBS)

cmake/compiler/gcc/settings.cmake

@@ -1,14 +1,14 @@
 # Set build-directive (used in core to tell which buildtype we used)
 add_definitions(-D_BUILD_DIRECTIVE='"${CMAKE_BUILD_TYPE}"')
 
-set(GCC_EXPECTED_VERSION 4.9.0)
+set(GCC_EXPECTED_VERSION 6.3.0)
 
 if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS GCC_EXPECTED_VERSION)
   message(FATAL_ERROR "GCC: TrinityCore requires version ${GCC_EXPECTED_VERSION} to build but found ${CMAKE_CXX_COMPILER_VERSION}")
 endif()
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-message(STATUS "GCC: Enabled c++11 support")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
+message(STATUS "GCC: Enabled c++14 support")
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99")
 message(STATUS "GCC: Enabled C99 support")