diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 0fbe1f3b1f..1fc9de2977 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -57,6 +57,9 @@ if(USE_LTO)
   if(NOT MSVC)
     set(CMAKE_CXX_COMPILE_OPTIONS_IPO "-flto")
     set(CMAKE_C_COMPILE_OPTIONS_IPO "-flto")
+    set(CMAKE_CXX_LINK_OPTIONS_IPO "-flto")
+    set(CMAKE_C_LINK_OPTIONS_IPO "-flto")
+    set(CMAKE_XCODE_ATTRIBUTE_LLVM_LTO "YES")
   endif()
   # </FS:PP>
   set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)