diff --git a/ChangeLog b/ChangeLog
index 414da3e3a8d..2561b3209bb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-07-07  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* configure.in (WARN_CFLAGS): Add -Wno-deprecated-declarations.
+
 2012-07-07  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Improve static checking when configured --with-ns.
diff --git a/configure.in b/configure.in
index 94314c7d71e..6a90c4869e5 100644
--- a/configure.in
+++ b/configure.in
@@ -697,6 +697,7 @@ else
   gl_WARN_ADD([-Wno-switch])           # Too many warnings for now
   gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
   gl_WARN_ADD([-Wno-format-nonliteral])
+  gl_WARN_ADD([-Wno-deprecated-declarations]) # triggered by libpng
 
   # In spite of excluding -Wlogical-op above, it is enabled, as of
   # gcc 4.5.0 20090517.