+ Correctly determine whether pow is available in libc on AIX 7 with xlc.
+ * m4/mathfunc.m4 (gl_MATHFUNC): Actually use the 'funcptr' variable.
+ This disables an xlc optimization that was causing wrong test results.
+ Reported by Rainer Tammer.
+
+2010-07-31 Bruno Haible <bruno@clisp.org>
+