[Bf-blender-cvs] [30f3ffce058] master: Fix building with ninja on windows

[Ray Molenkamp]

Commit: 30f3ffce0581668c2d5993c58bb98361d28b8a50
Author: Ray Molenkamp
Date:   Sun May 26 09:25:17 2019 -0600
Branches: master
https://developer.blender.org/rB30f3ffce0581668c2d5993c58bb98361d28b8a50

Fix building with ninja on windows

Broken by rB161908157d67ee8bcfa0c26917cccdc40e0c67ea

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

M	build_files/cmake/platform/platform_win32.cmake

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

diff --git a/build_files/cmake/platform/platform_win32.cmake b/build_files/cmake/platform/platform_win32.cmake
index f52a1f601dc..3f3b85c08cb 100644
--- a/build_files/cmake/platform/platform_win32.cmake
+++ b/build_files/cmake/platform/platform_win32.cmake
@@ -191,9 +191,9 @@ if(NOT EXISTS "${LIBDIR}/")
 endif()
 
 # Mark libdir as system headers with a lower warn level, to resolve some warnings
-# that we have very little control over 
+# that we have very little control over
 if(MSVC_VERSION GREATER_EQUAL 1914)
-  add_definitions(/experimental:external /external:templates- /external:I "${LIBDIR}" /external:W0)
+  add_compile_options(/experimental:external /external:templates- /external:I "${LIBDIR}" /external:W0)
 endif()
 
 # Add each of our libraries to our cmake_prefix_path so find_package() could work