diff --git a/lib/Makefile b/lib/Makefile
index ac8aace..65aa8ca 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -63,7 +63,7 @@ endif
 
 OBJS  = $(FILES:%=%.o)
 
-SUBDIRS = ia32 x86_64 ia64 runtime
+SUBDIRS = ia32 x86_64 ia64 aarch64 arm runtime
 
 LIBDIRINSTALL = $(INSTALLROOT)$(LIBDIR)