Update to boost 1.72

[lyx.git] / 3rdparty / boost / boost / config / compiler / clang.hpp

diff --git a/3rdparty/boost/boost/config/compiler/clang.hpp b/3rdparty/boost/boost/config/compiler/clang.hpp
index 3d893c689ae66ca941f1aa780d5c929233d58343..52b23d9d020cb23e896f05c6e77e18ae63c7deee 100644 (file)
--- a/3rdparty/boost/boost/config/compiler/clang.hpp
+++ b/3rdparty/boost/boost/config/compiler/clang.hpp
@@ -57,6 +57,14 @@
 #  define BOOST_HAS_STDINT_H
 #endif
 
+#if (defined(linux) || defined(__linux) || defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)) && !defined(_CRAYC)
+#if (__clang_major__ >= 4) && defined(__has_include)
+#if __has_include(<quadmath.h>)
+#  define BOOST_HAS_FLOAT128
+#endif
+#endif
+#endif
+
 
 #define BOOST_HAS_NRVO
 
@@ -104,9 +112,9 @@
 #  define BOOST_SYMBOL_IMPORT __attribute__((__dllimport__))
 #else
 #  define BOOST_SYMBOL_EXPORT __attribute__((__visibility__("default")))
+#  define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
 #  define BOOST_SYMBOL_IMPORT
 #endif
-#define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
 
 //
 // The BOOST_FALLTHROUGH macro can be used to annotate implicit fall-through