diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b6230f..c122548 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,6 +48,11 @@ tde_setup_install_path( INCLUDE_INSTALL_DIR   "${CMAKE_INSTALL_PREFIX}/include/$
 tde_setup_install_path( PKGCONFIG_INSTALL_DIR "/usr/lib${LIB_SUFFIX}/pkgconfig" )
 
 
+##### setup architecture flags ##################
+
+tde_setup_architecture_flags( )
+
+
 ##### check for include files ###################
 
 include( CheckIncludeFile )