+#
+# An entry with DEFAULT in the second column gives a default third column
+# to apply on matching configurations when the matching entry for a particular
+# library has no third column. The defaults must precede the entries they
+# apply to.
+#
+# Configuration DEFAULT Earliest symbol set
+# ------------- --------------- ------------------------------
+
+s390x-.*-linux.* DEFAULT GLIBC_2.2
+powerpc64-.*-linux.* DEFAULT GLIBC_2.3
+powerpc.*le-.*-linux.* DEFAULT GLIBC_2.17
+.*-.*-gnu-gnu.* DEFAULT GLIBC_2.2.6