diff --git a/gcc/config/sparc/lynx-ng.h b/gcc/config/sparc/lynx-ng.h
index bd3f4ddc224..9e9f82cf10b 100644
--- a/gcc/config/sparc/lynx-ng.h
+++ b/gcc/config/sparc/lynx-ng.h
@@ -28,7 +28,7 @@ Boston, MA 02111-1307, USA.  */
 #define CPP_SPEC "%{mthreads:-D_MULTITHREADED}  \
   %{mposix:-D_POSIX_SOURCE}  \
   %{msystem-v:-I/usr/include_v}  \
-  %{msparclite:-D__sparclite__} %{mv8:-D__sparc_v8__}"
+  %(cpp_cpu)"
 
 /* Names to predefine in the preprocessor for this target machine.  */