#
#
# patch "numeric_vocab.hh"
#  from [c7b71f42acc2cd8374f60d10c4d5a7a469eed654]
#    to [c4f33239b9d83a105e4fffe56a1839c0ad845269]
#
============================================================
--- numeric_vocab.hh	c7b71f42acc2cd8374f60d10c4d5a7a469eed654
+++ numeric_vocab.hh	c4f33239b9d83a105e4fffe56a1839c0ad845269
@@ -11,6 +11,8 @@
 // PURPOSE.
 
 #include <cstddef>
+#include <climits>              // Some architectures need this for CHAR_BIT
+                                // The lack of this was reported as bug #19984
 #include <limits>
 #include <boost/static_assert.hpp>