diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index f95dbc4f..5afc1c24 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -372,3 +372,7 @@ if( NOT SQLITE_FOUND )
     message( STATUS "sqlite3 linking: ${SQLITE_LIBRARIES}" )
 endif( )
 endif( WITH_SYSTEM_SQLITE )
+
+if( WITH_AMAZON )
+    set( AMAZON_SUPPORT 1 )
+endif()
diff --git a/config.h.cmake b/config.h.cmake
index a693e719..ee68fcb9 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -33,3 +33,6 @@
 #cmakedefine USE_POSTGRESQL 1
 
 #cmakedefine MYSQL_STRUCT @MYSQL_STRUCT@
+
+#cmakedefine AMAZON_SUPPORT 1
+