diff --git a/src/cmake/modules/FindR3DSDK.cmake b/src/cmake/modules/FindR3DSDK.cmake
index d5ad128983..3bca88bb3c 100644
--- a/src/cmake/modules/FindR3DSDK.cmake
+++ b/src/cmake/modules/FindR3DSDK.cmake
@@ -20,21 +20,28 @@ include (FindPackageHandleStandardArgs)
 # Assuming only C++11 and 64 bit support is needed.
 # Set R3DSDK_LIB_NAME before invoking this file to override.
 if (NOT DEFINED R3DSDK_LIB_NAME)
-    set(R3DSDK_LIB_NAME R3DSDKPIC-cpp11)
+    if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+        set(R3DSDK_LIB_NAME R3DSDKPIC-cpp11)
+    elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
+        set(R3DSDK_LIB_NAME R3DSDK-libcpp)
+    elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+        set(R3DSDK_LIB_NAME R3DSDK-2017MT)
+    endif()
 endif()
 
 
 if(DEFINED ENV{R3DSDK_ROOT})
     set(R3DSDK_ROOT $ENV{R3DSDK_ROOT})
-    # message("Using R3D SDK Root: " ${R3DSDK_ROOT})
+    message("Using R3D SDK Root: " ${R3DSDK_ROOT})
 else()
-    # message("Looking for R3D SDK")
+    message("Looking for R3D SDK")
 
     # The R3D SDK is supplied as a zip file that you can unpack anywhere.
     # So try some plausible locations and hope for the best.
     # Use a glob to try and avoid dealing with exact SDK version numbers.
 
     file(GLOB R3DSDK_PATHS "/opt/R3DSDKv*"
+        "/Library/R3DSDKv*"
         "C:/R3DSDKv*"
         ${CMAKE_CURRENT_SOURCE_DIR}/../R3DSDKv*
         ${CMAKE_CURRENT_SOURCE_DIR}/../../R3DSDKv*
@@ -46,19 +53,28 @@ else()
 endif()
 
 set(R3DSDK_INCLUDE_DIR ${R3DSDK_ROOT}/Include)
-find_library(R3DSDK_LIBRARY NAMES ${R3DSDK_LIB_NAME}
-             PATHS ${R3DSDK_ROOT}/Lib/linux64/
-                   ${R3DSDK_ROOT}/Lib/mac64/
-                   ${R3DSDK_ROOT}/Lib/win64/
-             NO_DEFAULT_PATH
-            )
+if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+    find_library(R3DSDK_LIBRARY NAMES ${R3DSDK_LIB_NAME}
+            PATHS ${R3DSDK_ROOT}/Lib/linux64/
+            NO_DEFAULT_PATH
+        )
+elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
+    find_library(R3DSDK_LIBRARY NAMES ${R3DSDK_LIB_NAME}
+            PATHS ${R3DSDK_ROOT}/Lib/mac64/
+            NO_DEFAULT_PATH
+        )
+elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+    find_library(R3DSDK_LIBRARY NAMES ${R3DSDK_LIB_NAME}
+            PATHS ${R3DSDK_ROOT}/Lib/win64/
+            NO_DEFAULT_PATH
+        )
+endif()
 
 # handle the QUIETLY and REQUIRED arguments and set R3DSDK_FOUND to TRUE if
 # all listed variables are TRUE
 FIND_PACKAGE_HANDLE_STANDARD_ARGS(R3DSDK DEFAULT_MSG R3DSDK_LIBRARY R3DSDK_INCLUDE_DIR)
 
 
-# TODO : Ask somebody with a Mac to add support.
 if(R3DSDK_FOUND)
     if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
         set(R3DSDK_LIBRARIES ${R3DSDK_LIBRARY} dl)
@@ -66,7 +82,7 @@ if(R3DSDK_FOUND)
     elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
         set(R3DSDK_LIBRARIES ${R3DSDK_LIBRARY} dl)
         set(R3DSDK_RUNTIME_LIBRARIES ${R3DSDK_ROOT}/Redistributable/mac)
-    else()
+    elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
         set(R3DSDK_LIBRARIES ${R3DSDK_LIBRARY})
         set(R3DSDK_RUNTIME_LIBRARIES ${R3DSDK_ROOT}/Redistributable/win)
     endif()