+2011-06-06 Eric Blake <eblake@redhat.com>
+
+ canonicalize-lgpl: use common idiom
+ * m4/canonicalize.m4 (gl_FUNC_REALPATH_WORKS): Prefer older rm -rf
+ over newer POSIX -Rf.
+ Reported by Bruno Haible.
+
+ canonicalize-lgpl: work around AIX realpath bug
+ * m4/canonicalize.m4 (gl_FUNC_REALPATH_WORKS): Expose AIX bug.
+ * doc/posix-functions/realpath.texi (realpath): Document it.
+ Reported by Bruno Haible.
+