From 6d53e5ecae61464635903d215f25abafc3062238 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Fri, 6 Aug 2010 09:26:37 +0000
Subject: [PATCH] Change cygwin to use C locale - std::ctype yields incorrect
 results for xdigit class on this platform.

[SVN r64628]
---
 include/boost/regex/config.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/boost/regex/config.hpp b/include/boost/regex/config.hpp
index d55881a3..a88a7852 100644
--- a/include/boost/regex/config.hpp
+++ b/include/boost/regex/config.hpp
@@ -255,6 +255,10 @@
 #  define BOOST_REGEX_USE_CPP_LOCALE
 #endif
 
+#if defined(__CYGWIN__)
+#  define BOOST_REGEX_USE_C_LOCALE
+#endif
+
 /* Win32 defaults to native Win32 locale: */
 #if defined(_WIN32) && !defined(BOOST_REGEX_USE_WIN32_LOCALE) && !defined(BOOST_REGEX_USE_C_LOCALE) && !defined(BOOST_REGEX_USE_CPP_LOCALE) && !defined(BOOST_REGEX_NO_W32)
 #  define BOOST_REGEX_USE_WIN32_LOCALE