+2012-09-11 Paul Eggert <eggert@cs.ucla.edu>
+
+ Simplify, document, and port floating-point (Bug#12381).
+ * configure.ac (logb, cbrt): Do not check for these functions,
+ as they are not being used.
+
2012-09-10 Paul Eggert <eggert@cs.ucla.edu>
Improve robustness of 'make bootstrap' (Bug#12376).