Index: src/config.h.in
===================================================================
--- src/config.h.in	(revision 4dcaed2c212a42d633824e9b88053258a2d0f969)
+++ src/config.h.in	(revision 7ba13249ea0da313a9eabcdbd2aa54d5a9b18b29)
@@ -1,3 +1,9 @@
 /* src/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* CPU to use if the -m32 flags is given. */
+#undef CFA_32_CPU
+
+/* CPU to use if the -m64 flags is given. */
+#undef CFA_64_CPU
 
 /* Location of include files. */
@@ -6,4 +12,7 @@
 /* Location of cfa command. */
 #undef CFA_BINDIR
+
+/* Default cpu to use if neither -m32 or -m64 are defined. */
+#undef CFA_DEFAULT_CPU
 
 /* compilation flags for cfa libraries and test programs. */