Merge branch 'develop' into msvc2017

include/boost/config/compiler/borland.hpp

@@ -228,6 +228,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 #if __BORLANDC__ >= 0x590
 #  define BOOST_HAS_TR1_HASH
 

include/boost/config/compiler/clang.hpp

@@ -27,6 +27,10 @@
 #define __has_attribute(x) 0
 #endif
 
+#ifndef __has_cpp_attribute
+#define __has_cpp_attribute(x) 0
+#endif
+
 #if !__has_feature(cxx_exceptions) && !defined(BOOST_NO_EXCEPTIONS)
 #  define BOOST_NO_EXCEPTIONS
 #endif
@@ -282,6 +286,16 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+
+// Clang 3.9+ in c++1z
+#if !__has_cpp_attribute(fallthrough) || __cplusplus < 201406L
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 #if __cplusplus < 201103L
 #define BOOST_NO_CXX11_SFINAE_EXPR
 #endif

include/boost/config/compiler/codegear.hpp

@@ -154,6 +154,19 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 //
 // TR1 macros:
 //

include/boost/config/compiler/common_edg.hpp

@@ -138,6 +138,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 #ifdef c_plusplus
 // EDG has "long long" in non-strict mode
 // However, some libraries have insufficient "long long" support

include/boost/config/compiler/digitalmars.hpp

@@ -114,6 +114,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 #if (__DMC__ <= 0x840)
 #error "Compiler not supported or configured - please reconfigure"
 #endif

include/boost/config/compiler/gcc.hpp

@@ -288,6 +288,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 //
 // Unused attribute:
 #if __GNUC__ >= 4

include/boost/config/compiler/gcc_xml.hpp

@@ -92,6 +92,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 #define BOOST_COMPILER "GCC-XML C++ version " __GCCXML__
 
 

include/boost/config/compiler/metrowerks.hpp

@@ -157,6 +157,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 #define BOOST_COMPILER "Metrowerks CodeWarrior C++ version " BOOST_STRINGIZE(BOOST_COMPILER_VERSION)
 
 //

include/boost/config/compiler/mpw.hpp

@@ -106,6 +106,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 //
 // versions check:
 // we don't support MPW prior to version 8.9:

include/boost/config/compiler/pathscale.hpp

@@ -118,4 +118,15 @@
 #if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304)
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
+
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
 #endif

include/boost/config/compiler/pgi.hpp

@@ -151,6 +151,17 @@
 #if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304)
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
+
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
 //
 // version check:
 // probably nothing to do here?

include/boost/config/compiler/sunpro_cc.hpp

@@ -172,6 +172,17 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 // Turn on threading support for Solaris 12.
 // Ticket #11972
 #if (__SUNPRO_CC >= 0x5140) && defined(__SunOS_5_12) && !defined(BOOST_HAS_THREADS)

include/boost/config/compiler/vacpp.hpp

@@ -162,3 +162,14 @@
 #if !defined(__cpp_variable_templates) || (__cpp_variable_templates < 201304)
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
+
+// C++17
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+#if !defined(__cpp_inline_variables) || (__cpp_inline_variables < 201606)
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#endif
+#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif

include/boost/config/compiler/visualc.hpp

@@ -217,7 +217,12 @@
 //
 #define BOOST_NO_TWO_PHASE_NAME_LOOKUP
 #define BOOST_NO_CXX11_SFINAE_EXPR
+// C++ 14:
 #  define BOOST_NO_CXX14_CONSTEXPR
+// C++ 17:
+#define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#define BOOST_NO_CXX17_INLINE_VARIABLES
+#define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 
 //
 // Things that don't work in clr mode:

include/boost/config/compiler/xlcpp.hpp

@@ -23,6 +23,10 @@
 #define __has_extension __has_feature
 #endif
 
+#ifndef __has_cpp_attribute
+#define __has_cpp_attribute(x) 0
+#endif
+
 #if !__has_feature(cxx_exceptions) && !defined(BOOST_NO_EXCEPTIONS)
 #  define BOOST_NO_EXCEPTIONS
 #endif
@@ -238,6 +242,16 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+#if !defined(__cpp_structured_bindings) || (__cpp_structured_bindings < 201606)
+#  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#endif
+
+// Clang 3.9+ in c++1z
+#if !__has_cpp_attribute(fallthrough) || __cplusplus < 201406L
+#  define BOOST_NO_CXX17_INLINE_VARIABLES
+#  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#endif
+
 #if !__has_feature(cxx_thread_local)
 #  define BOOST_NO_CXX11_THREAD_LOCAL
 #endif

include/boost/config/compiler/xlcpp_zos.hpp

@@ -150,6 +150,9 @@
 #define BOOST_NO_CXX14_DECLTYPE_AUTO
 #define BOOST_NO_CXX14_CONSTEXPR
 #define BOOST_NO_CXX14_BINARY_LITERALS
+#define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#define BOOST_NO_CXX17_INLINE_VARIABLES
+#define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 
 // -------------------------------------