Allow source to be built by #including all the source files in a single TU.

Fixes #5736.

[SVN r74896]

src/internals.hpp

@@ -0,0 +1,35 @@
+/*
+ *
+ * Copyright (c) 2011
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to the 
+ * Boost Software License, Version 1.0. (See accompanying file 
+ * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+#ifndef BOOST_REGEX_SRC_INTERNALS_HPP
+#define BOOST_REGEX_SRC_INTERNALS_HPP
+
+enum
+{
+   char_class_space=1<<0, 
+   char_class_print=1<<1, 
+   char_class_cntrl=1<<2, 
+   char_class_upper=1<<3, 
+   char_class_lower=1<<4,
+   char_class_alpha=1<<5, 
+   char_class_digit=1<<6, 
+   char_class_punct=1<<7, 
+   char_class_xdigit=1<<8,
+   char_class_alnum=char_class_alpha|char_class_digit, 
+   char_class_graph=char_class_alnum|char_class_punct,
+   char_class_blank=1<<9,
+   char_class_word=1<<10,
+   char_class_unicode=1<<11,
+   char_class_horizontal=1<<12,
+   char_class_vertical=1<<13
+};
+
+#endif // BOOST_REGEX_SRC_INTERNALS_HPP