diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 55f033c3efb..5122e9f1af4 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2011-12-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* config/sparc/sol2-unwind.h: Use #ifdef directive consistently.
+
 2011-12-09  Georg-Johann Lay  <avr@gjlay.de>
 
 	PR target/49313
diff --git a/libgcc/config/sparc/sol2-unwind.h b/libgcc/config/sparc/sol2-unwind.h
index 129405e95ba..54a97b0690b 100644
--- a/libgcc/config/sparc/sol2-unwind.h
+++ b/libgcc/config/sparc/sol2-unwind.h
@@ -29,7 +29,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include <sys/frame.h>
 #include <sys/stack.h>
 
-#if defined(__arch64__)
+#ifdef __arch64__
 
 #define IS_SIGHANDLER sparc64_is_sighandler