diff --git a/indra/cmake/bugsplat.cmake b/indra/cmake/bugsplat.cmake
index 59644b73ce..0c84bac88a 100644
--- a/indra/cmake/bugsplat.cmake
+++ b/indra/cmake/bugsplat.cmake
@@ -17,7 +17,9 @@ if (BUGSPLAT_DB)
     elseif (DARWIN)
       find_library(BUGSPLAT_LIBRARIES BugsplatMac
         PATHS "${ARCH_PREBUILT_DIRS_RELEASE}")
+      message(FATAL_ERROR "Bugsplat for OSX not fully implemented, please adapt llappdelegate-objc.mm to honor options of sending user name and settings.xml.")
     else (WINDOWS)
+      message(FATAL_ERROR "Bugsplat for Linux not implemented.")
 
     endif (WINDOWS)
     set(BUGSPLAT_INCLUDE_DIR ${LIBS_PREBUILT_DIR}/include/bugsplat)