diff --git a/c/src/ChangeLog b/c/src/ChangeLog
index 6d6e5c8647..9cd3c760c1 100644
--- a/c/src/ChangeLog
+++ b/c/src/ChangeLog
@@ -1,3 +1,8 @@
+2008-06-29 	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* aclocal/rtems-top.m4: Require AC_DISABLE_OPTION_CHECKING.
+	AC_PREREQ(2.62).
+
 2008-06-01 	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* aclocal/target.m4: Allow empty RTEMS_BUILD_SUBDIRS.