diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 724a906e021..3b6f2a54894 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2012-11-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc_update: Update libsanitizer generated files.
+
 2012-11-12  Tobias Burnus  <burnus@net-b.de>
 
 	* gcc_update: Add libquadmath generated files.
diff --git a/contrib/gcc_update b/contrib/gcc_update
index 377b258a607..10a5970f621 100755
--- a/contrib/gcc_update
+++ b/contrib/gcc_update
@@ -152,9 +152,12 @@ libatomic/Makefile.in: libatomic/Makefile.am libatomic/aclocal.m4
 libatomic/testsuite/Makefile.in: libatomic/testsuite/Makefile.am libatomic/aclocal.m4
 libatomic/configure: libatomic/configure.ac libatomic/aclocal.m4
 libatomic/auto-config.h.in: libatomic/configure.ac libatomic/aclocal.m4
-libsanitizer/aclocal.m4: libsanitizer/configure.ac
+libsanitizer/aclocal.m4: libsanitizer/configure.ac libsanitizer/acinclude.m4
 libsanitizer/Makefile.in: libsanitizer/Makefile.am libsanitizer/aclocal.m4
 libsanitizer/configure: libsanitizer/configure.ac libsanitizer/aclocal.m4
+libsanitizer/asan/Makefile.in: libsanitizer/asan/Makefile.am libsanitizer/aclocal.m4
+libsanitizer/interception/Makefile.in: libsanitizer/interception/Makefile.am libsanitizer/aclocal.m4
+libsanitizer/sanitizer_common/Makefile.in: libsanitizer/sanitizer_common/Makefile.am libsanitizer/aclocal.m4
 # Top level
 Makefile.in: Makefile.tpl Makefile.def
 configure: configure.ac config/acx.m4