Update to boost 1.72

[lyx.git] / 3rdparty / boost / boost / regex / config.hpp

diff --git a/3rdparty/boost/boost/regex/config.hpp b/3rdparty/boost/boost/regex/config.hpp
index eb998110bfa84b77e951f6051fb1dc3b85328b48..f01321c82812bec9b1c773b463ead79f530c2dbd 100644 (file)
--- a/3rdparty/boost/boost/regex/config.hpp
+++ b/3rdparty/boost/boost/regex/config.hpp
@@ -113,6 +113,17 @@
 #if defined(__MINGW32__)
 #  define BOOST_REGEX_NO_EXTERNAL_TEMPLATES
 #endif
+/*
+ * Clang fails to export template instances with -fvisibility=hidden, see
+ * https://github.com/boostorg/regex/issues/49
+ */
+#ifdef __clang__
+#  define BOOST_REGEX_NO_EXTERNAL_TEMPLATES
+#endif
+#ifdef __CYGWIN__
+/* We get multiply defined symbols without this: */
+#  define BOOST_REGEX_NO_EXTERNAL_TEMPLATES
+#endif
 
 /*
  * If there isn't good enough wide character support then there will
@@ -201,7 +212,10 @@
 #  define BOOST_REGEX_HAS_OTHER_WCHAR_T
 #  ifdef BOOST_MSVC
 #     pragma warning(push)
-#     pragma warning(disable : 4251 4231)
+#     pragma warning(disable : 4251)
+#if BOOST_MSVC < 1700
+#     pragma warning(disable : 4231)
+#endif
 #     if BOOST_MSVC < 1600
 #        pragma warning(disable : 4660)
 #     endif