diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dea40744c2e..bfe3fb58dc9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	PR bootstrap/20633
+	* config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
+
 2005-04-30  Paul Brook  <paul@codesourcery.com>
 
 	* config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
diff --git a/gcc/config/freebsd-spec.h b/gcc/config/freebsd-spec.h
index 820a43fb0b3..8c11abfc41f 100644
--- a/gcc/config/freebsd-spec.h
+++ b/gcc/config/freebsd-spec.h
@@ -78,6 +78,7 @@ Boston, MA 02111-1307, USA.  */
 
 #define FBSD_CPP_SPEC "							\
   %(cpp_cpu)								\
+  %(cpp_arch)								\
   %{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__}				\
   %{posix:-D_POSIX_SOURCE}"