[Bf-blender-cvs] [6fa7fa6671c] blender2.8: MSVC: Set the warning C4189 from level 4 to level 3

[mano-wii]

Commit: 6fa7fa6671c9e7cf9baad54b0f0861755b43f2b1
Author: mano-wii
Date:   Wed Aug 29 13:08:00 2018 -0300
Branches: blender2.8
https://developer.blender.org/rB6fa7fa6671c9e7cf9baad54b0f0861755b43f2b1

MSVC: Set the warning C4189 from level 4 to level 3

This is a useful warning and there is an equivalent used in `GNUC` and `clang` compilers.

Reviewed on IRC by @brecht and @LazyDodo

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

M	CMakeLists.txt

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

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ccc6a1e9d14..7e3b1c79da4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1450,6 +1450,7 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
 		# warning level:
 		"/W3"
 		"/w34062"  # switch statement contains 'default' but no 'case' labels
+		"/w34189"  # local variable is initialized but not referenced
 		# disable:
 		"/wd4018"  # signed/unsigned mismatch
 		"/wd4146"  # unary minus operator applied to unsigned type, result still unsigned