[Bf-blender-cvs] [48697b822bb] temp-cycles-tbb: Build: upgrade from C++11 to C++14, matching VFX reference platform

[Brecht Van Lommel]

Commit: 48697b822bbf56a6d05abc52ba90d246502c2e59
Author: Brecht Van Lommel
Date:   Mon Apr 27 16:41:32 2020 +0200
Branches: temp-cycles-tbb
https://developer.blender.org/rB48697b822bbf56a6d05abc52ba90d246502c2e59

Build: upgrade from C++11 to C++14, matching VFX reference platform

===================================================================

M	CMakeLists.txt

===================================================================

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a4037dc1e3e..9c7482901d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1563,19 +1563,18 @@ endif()
 
 if(MSVC)
   # MSVC needs to be tested first, since clang on windows will
-  # match the compiler test below but clang-cl does not accept -std=c++11
+  # match the compiler test below but clang-cl does not accept -std=c++14
   # since it is on by default and cannot be turned off.
   #
-  # Nothing special is needed, C++11 features are available by default.
+  # Nothing special is needed, C++14 features are available by default.
 elseif(
   CMAKE_COMPILER_IS_GNUCC OR
   CMAKE_C_COMPILER_ID MATCHES "Clang" OR
   CMAKE_C_COMPILER_ID MATCHES "Intel"
 )
-  # TODO(sergey): Do we want c++11 or gnu-c++11 here?
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
 else()
-  message(FATAL_ERROR "Unknown compiler ${CMAKE_C_COMPILER_ID}, can't enable C++11 build")
+  message(FATAL_ERROR "Unknown compiler ${CMAKE_C_COMPILER_ID}, can't enable C++14 build")
 endif()
 
 # Visual Studio has all standards it supports available by default