Build: disable RTTI for the entire Cycles module, not only the kernel

The partial disabling was causing issues with Clang and ASAN, and it seems we
don't need to restrict it to the kernel anymore now that we are no longer using
boost directly.

intern/cycles/CMakeLists.txt

@@ -178,11 +178,13 @@ if(CXX_HAS_AVX2)
 endif()
 
 if(WITH_CYCLES_OSL)
+  # LLVM and OSL need to build without RTTI
   if(WIN32 AND MSVC)
     set(RTTI_DISABLE_FLAGS "/GR- -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
   elseif(CMAKE_COMPILER_IS_GNUCC OR (CMAKE_C_COMPILER_ID MATCHES "Clang"))
     set(RTTI_DISABLE_FLAGS "-fno-rtti -DBOOST_NO_RTTI -DBOOST_NO_TYPEID")
   endif()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${RTTI_DISABLE_FLAGS}")
 endif()
 
 # Definitions and Includes

intern/cycles/kernel/osl/CMakeLists.txt

@@ -29,8 +29,6 @@ set(LIB
   cycles_render
 )
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${RTTI_DISABLE_FLAGS}")
-
 include_directories(${INC})
 include_directories(SYSTEM ${INC_SYS})
 

intern/cycles/render/CMakeLists.txt

@@ -85,8 +85,6 @@ if(WITH_CYCLES_OSL)
   )
 endif()
 
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${RTTI_DISABLE_FLAGS}")
-
 include_directories(${INC})
 include_directories(SYSTEM ${INC_SYS})