--- /dev/null
+--- valgrind-3.10.1/configure.ac.orig 2015-05-07 20:25:25.286786881 +0200
++++ valgrind-3.10.1/configure.ac 2015-05-07 20:48:33.833395275 +0200
+@@ -1018,6 +1018,13 @@
+ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
+ ;;
++ 2.21)
++ AC_MSG_RESULT(2.21 family)
++ AC_DEFINE([GLIBC_2_21], 1, [Define to 1 if you're using glibc 2.21.x])
++ DEFAULT_SUPP="glibc-2.X.supp ${DEFAULT_SUPP}"
++ DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
++ DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
++ ;;
+ darwin)
+ AC_MSG_RESULT(Darwin)
+ AC_DEFINE([DARWIN_LIBC], 1, [Define to 1 if you're using Darwin])