moved to boost 1.7.0

1eb193b5 · IOWA\dheitbri · b975ab0b · 1eb193b5 · 1eb193b5 · 1eb193b5
Commit 1eb193b5 authored Jul 19, 2019 by $IOWA\dheitbri's avatar$ IOWA\dheitbri
29 changed files
--- a/boost/config/auto_link.hpp
+++ b/boost/config/auto_link.hpp
@@ -28,6 +28,9 @@ BOOST_AUTO_LINK_NOMANGLE: Specifies that we should link to BOOST_LIB_NAME.lib,
 BOOST_AUTO_LINK_TAGGED:   Specifies that we link to libraries built with the --layout=tagged option.
                          This is essentially the same as the default name-mangled version, but without
                          the compiler name and version, or the Boost version.  Just the build options.
+BOOST_AUTO_LINK_SYSTEM:   Specifies that we link to libraries built with the --layout=system option.
+                          This is essentially the same as the non-name-mangled version, but with
+                          the prefix to differentiate static and dll builds

 These macros will be undef'ed at the end of the header, further this header
 has no include guards - so be sure to include it only once from your library!
@@ -170,11 +173,16 @@ BOOST_LIB_VERSION:    The Boost version, in the form x_y, for Boost version x.y.
     // vc14:
 #    define BOOST_LIB_TOOLSET "vc140"

-#  elif defined(BOOST_MSVC)
+#  elif defined(BOOST_MSVC) && (BOOST_MSVC < 1920)

     // vc14.1:
 #    define BOOST_LIB_TOOLSET "vc141"

+#  elif defined(BOOST_MSVC)
+
+     // vc14.2:
+#    define BOOST_LIB_TOOLSET "vc142"
+
 #  elif defined(__BORLANDC__)

     // CBuilder 6:
@@ -402,9 +410,14 @@ BOOST_LIB_VERSION:    The Boost version, in the form x_y, for Boost version x.y.
      && defined(BOOST_LIB_VERSION)

 #ifdef BOOST_AUTO_LINK_TAGGED
-#  pragma comment(lib, BOOST_LIB_PREFIX BOOST_STRINGIZE(BOOST_LIB_NAME) BOOST_LIB_THREAD_OPT BOOST_LIB_RT_OPT ".lib")
+#  pragma comment(lib, BOOST_LIB_PREFIX BOOST_STRINGIZE(BOOST_LIB_NAME) BOOST_LIB_THREAD_OPT BOOST_LIB_RT_OPT BOOST_LIB_ARCH_AND_MODEL_OPT ".lib")
+#  ifdef BOOST_LIB_DIAGNOSTIC
+#     pragma message ("Linking to lib file: " BOOST_LIB_PREFIX BOOST_STRINGIZE(BOOST_LIB_NAME) BOOST_LIB_THREAD_OPT BOOST_LIB_RT_OPT BOOST_LIB_ARCH_AND_MODEL_OPT ".lib")
+#  endif
+#elif defined(BOOST_AUTO_LINK_SYSTEM)
+#  pragma comment(lib, BOOST_LIB_PREFIX BOOST_STRINGIZE(BOOST_LIB_NAME) ".lib")
 #  ifdef BOOST_LIB_DIAGNOSTIC
-#     pragma message ("Linking to lib file: " BOOST_LIB_PREFIX BOOST_STRINGIZE(BOOST_LIB_NAME) BOOST_LIB_THREAD_OPT BOOST_LIB_RT_OPT ".lib")
+#     pragma message ("Linking to lib file: " BOOST_LIB_PREFIX BOOST_STRINGIZE(BOOST_LIB_NAME) ".lib")
 #  endif
 #elif defined(BOOST_AUTO_LINK_NOMANGLE)
 #  pragma comment(lib, BOOST_STRINGIZE(BOOST_LIB_NAME) ".lib")

--- a/boost/config/compiler/borland.hpp
+++ b/boost/config/compiler/borland.hpp
@@ -19,9 +19,9 @@
 // last known compiler version:
 #if (__BORLANDC__ > 0x613)
 //#  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 //#  else
-//#     pragma message( "Unknown compiler version - please run the configure tests and report the results")
+//#     pragma message( "boost: Unknown compiler version - please run the configure tests and report the results")
 //#  endif
 #elif (__BORLANDC__ == 0x600)
 #  error "CBuilderX preview compiler is no longer supported"
@@ -239,6 +239,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif

 #if __BORLANDC__ >= 0x590
 #  define BOOST_HAS_TR1_HASH

--- a/boost/config/compiler/clang.hpp
+++ b/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
@@ -294,6 +302,10 @@
 #  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
 #endif

+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
+
 // Clang 3.9+ in c++1z
 #if !__has_cpp_attribute(fallthrough) || __cplusplus < 201406L
 #  define BOOST_NO_CXX17_INLINE_VARIABLES

--- a/boost/config/compiler/codegear.hpp
+++ b/boost/config/compiler/codegear.hpp
@@ -22,9 +22,9 @@
 // last known and checked version is 0x621
 #if (__CODEGEARC__ > 0x621)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  else
-#     pragma message( "Unknown compiler version - please run the configure tests and report the results")
+#     pragma message( "boost: Unknown compiler version - please run the configure tests and report the results")
 #  endif
 #endif

@@ -167,6 +167,10 @@
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif

+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
+
 //
 // TR1 macros:
 //

--- a/boost/config/compiler/comeau.hpp
+++ b/boost/config/compiler/comeau.hpp
@@ -50,7 +50,7 @@
 // last known and checked version is 4245:
 #if (__COMO_VERSION__ > 4245)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif


--- a/boost/config/compiler/common_edg.hpp
+++ b/boost/config/compiler/common_edg.hpp
@@ -149,6 +149,10 @@
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif

+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
+
 #ifdef c_plusplus
 // EDG has "long long" in non-strict mode
 // However, some libraries have insufficient "long long" support

--- a/boost/config/compiler/cray.hpp
+++ b/boost/config/compiler/cray.hpp
--- a/boost/config/compiler/digitalmars.hpp
+++ b/boost/config/compiler/digitalmars.hpp
@@ -124,6 +124,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif

 #if (__DMC__ <= 0x840)
 #error "Compiler not supported or configured - please reconfigure"
@@ -132,6 +135,6 @@
 // last known and checked version is ...:
 #if (__DMC__ > 0x848)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif
--- a/boost/config/compiler/gcc.hpp
+++ b/boost/config/compiler/gcc.hpp
@@ -232,7 +232,6 @@
 // C++0x features in 4.6.n and later
 //
 #if (BOOST_GCC_VERSION < 40600) || !defined(BOOST_GCC_CXX11)
-#define BOOST_NO_CXX11_CONSTEXPR
 #define BOOST_NO_CXX11_DEFAULTED_MOVES
 #define BOOST_NO_CXX11_NOEXCEPT
 #define BOOST_NO_CXX11_NULLPTR
@@ -243,6 +242,9 @@
 // C++0x features in 4.7.n and later
 //
 #if (BOOST_GCC_VERSION < 40700) || !defined(BOOST_GCC_CXX11)
+// Note that while constexpr is partly supported in gcc-4.6 it's a 
+// pre-std version with several bugs:
+#  define BOOST_NO_CXX11_CONSTEXPR
 #  define BOOST_NO_CXX11_FINAL
 #  define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #  define BOOST_NO_CXX11_USER_DEFINED_LITERALS
@@ -299,6 +301,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif

 #if __GNUC__ >= 7
 #  define BOOST_FALLTHROUGH __attribute__((fallthrough))
@@ -343,14 +348,14 @@
 #  error "Compiler not configured - please reconfigure"
 #endif
 //
-// last known and checked version is 7.1:
-#if (BOOST_GCC_VERSION > 70100)
+// last known and checked version is 8.1:
+#if (BOOST_GCC_VERSION > 80100)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Boost.Config is older than your compiler - please check for an updated Boost release."
 #  else
 // we don't emit warnings here anymore since there are no defect macros defined for
 // gcc post 3.4, so any failures are gcc regressions...
-//#     warning "Unknown compiler version - please run the configure tests and report the results"
+//#     warning "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif

--- a/boost/config/compiler/gcc_xml.hpp
+++ b/boost/config/compiler/gcc_xml.hpp
@@ -102,6 +102,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif

 #define BOOST_COMPILER "GCC-XML C++ version " __GCCXML__


--- a/boost/config/compiler/greenhills.hpp
+++ b/boost/config/compiler/greenhills.hpp
@@ -21,7 +21,7 @@
 // last known and checked version is 0:
 #if (__ghs > 0)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif


--- a/boost/config/compiler/hp_acc.hpp
+++ b/boost/config/compiler/hp_acc.hpp
@@ -142,6 +142,6 @@
 // last known and checked version for PA-RISC is 38000
 #if ((__HP_aCC > 61300) || ((__HP_aCC > 38000) && defined(__hpxstd98)))
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif
--- a/boost/config/compiler/intel.hpp
+++ b/boost/config/compiler/intel.hpp
@@ -46,12 +46,17 @@
 #undef BOOST_GCC_VERSION
 #undef BOOST_GCC_CXX11
 #undef BOOST_GCC
+#undef BOOST_FALLTHROUGH

 // Broken in all versions up to 17 (newer versions not tested)
 #if (__INTEL_COMPILER <= 1700) && !defined(BOOST_NO_CXX14_CONSTEXPR)
 #  define BOOST_NO_CXX14_CONSTEXPR
 #endif

+#if (__INTEL_COMPILER >= 1800) && (__cplusplus >= 201703)
+#  define BOOST_FALLTHROUGH [[fallthrough]]
+#endif
+
 #endif // defined(_MSC_VER)

 #undef BOOST_COMPILER
@@ -558,7 +563,7 @@ template<> struct assert_intrinsic_wchar_t<unsigned short> {};
 //      We don't emit this warning any more, since we have so few
 //      defect macros set anyway (just the one).
 //
-//#     pragma message("Unknown compiler version - please run the configure tests and report the results")
+//#     pragma message("boost: Unknown compiler version - please run the configure tests and report the results")
 #  endif
 #endif

--- a/boost/config/compiler/kai.hpp
+++ b/boost/config/compiler/kai.hpp
@@ -25,7 +25,7 @@
 // last known and checked version is 4001:
 #if (__KCC_VERSION > 4001)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif


--- a/boost/config/compiler/metrowerks.hpp
+++ b/boost/config/compiler/metrowerks.hpp
@@ -167,6 +167,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif

 #define BOOST_COMPILER "Metrowerks CodeWarrior C++ version " BOOST_STRINGIZE(BOOST_COMPILER_VERSION)

@@ -180,7 +183,7 @@
 // last known and checked version:
 #if (__MWERKS__ > 0x3205)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif


--- a/boost/config/compiler/mpw.hpp
+++ b/boost/config/compiler/mpw.hpp
@@ -116,6 +116,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif

 //
 // versions check:
@@ -127,7 +130,7 @@
 // last known and checked version is 0x890:
 #if (MPW_CPLUS > 0x890)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif


--- a/boost/config/compiler/nvcc.hpp
+++ b/boost/config/compiler/nvcc.hpp
@@ -12,7 +12,7 @@
 #endif

 #if defined(__CUDACC_VER_MAJOR__) && defined(__CUDACC_VER_MINOR__) && defined(__CUDACC_VER_BUILD__)
-#  define BOOST_CUDA_VERSION __CUDACC_VER_MAJOR__ * 1000000 + __CUDACC_VER_MINOR__ * 10000 + __CUDACC_VER_BUILD__
+#  define BOOST_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 1000000 + __CUDACC_VER_MINOR__ * 10000 + __CUDACC_VER_BUILD__)
 #else
 // We don't really know what the CUDA version is, but it's definitely before 7.5:
 #  define BOOST_CUDA_VERSION 7000000
@@ -33,8 +33,8 @@
 #if (BOOST_CUDA_VERSION > 8000000) && (BOOST_CUDA_VERSION < 8010000)
 #   define BOOST_NO_CXX11_VARIADIC_TEMPLATES
 #endif
-// Most recent CUDA (8.0) has no constexpr support in msvc mode:
-#if defined(_MSC_VER)
+// CUDA (8.0) has no constexpr support in msvc mode:
+#if defined(_MSC_VER) && (BOOST_CUDA_VERSION < 9000000)
 #  define BOOST_NO_CXX11_CONSTEXPR
 #endif


--- a/boost/config/compiler/pathscale.hpp
+++ b/boost/config/compiler/pathscale.hpp
@@ -129,4 +129,7 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
 #endif
--- a/boost/config/compiler/sunpro_cc.hpp
+++ b/boost/config/compiler/sunpro_cc.hpp
@@ -182,6 +182,9 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif

 // Turn on threading support for Solaris 12.
 // Ticket #11972

--- a/boost/config/compiler/vacpp.hpp
+++ b/boost/config/compiler/vacpp.hpp
@@ -56,7 +56,7 @@
 // last known and checked version is 1210:
 #if (__IBMCPP__ > 1210)
 #  if defined(BOOST_ASSERT_CONFIG)
-#     error "Unknown compiler version - please run the configure tests and report the results"
+#     error "boost: Unknown compiler version - please run the configure tests and report the results"
 #  endif
 #endif

@@ -178,3 +178,6 @@
 #if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
 #  define BOOST_NO_CXX17_FOLD_EXPRESSIONS
 #endif
+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
--- a/boost/config/compiler/visualc.hpp
+++ b/boost/config/compiler/visualc.hpp
@@ -201,6 +201,9 @@
 //
 #if (_MSC_VER < 1911) || (_MSVC_LANG < 201703)
 #  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#  define BOOST_NO_CXX17_HDR_OPTIONAL
+#  define BOOST_NO_CXX17_HDR_STRING_VIEW
 #endif

 // MSVC including version 14 has not yet completely
@@ -233,9 +236,11 @@
 // Supported from msvc-15.5 onwards:
 #define BOOST_NO_CXX11_SFINAE_EXPR
 #endif
+#if (_MSC_VER < 1915) || (_MSVC_LANG < 201402)
 // C++ 14:
 // Still gives internal compiler error for msvc-15.5:
 #  define BOOST_NO_CXX14_CONSTEXPR
+#endif
 // C++ 17:
 #if (_MSC_VER < 1912) || (_MSVC_LANG < 201703)
 #define BOOST_NO_CXX17_INLINE_VARIABLES
@@ -283,9 +288,9 @@
 #   if _MSC_VER < 1400
      // Note: I'm not aware of any CE compiler with version 13xx
 #      if defined(BOOST_ASSERT_CONFIG)
-#         error "Unknown EVC++ compiler version - please run the configure tests and report the results"
+#         error "boost: Unknown EVC++ compiler version - please run the configure tests and report the results"
 #      else
-#         pragma message("Unknown EVC++ compiler version - please run the configure tests and report the results")
+#         pragma message("boost: Unknown EVC++ compiler version - please run the configure tests and report the results")
 #      endif
 #   elif _MSC_VER < 1500
 #     define BOOST_COMPILER_VERSION evc8
@@ -301,9 +306,9 @@
 #     define BOOST_COMPILER_VERSION evc14
 #   else
 #      if defined(BOOST_ASSERT_CONFIG)
-#         error "Unknown EVC++ compiler version - please run the configure tests and report the results"
+#         error "boost: Unknown EVC++ compiler version - please run the configure tests and report the results"
 #      else
-#         pragma message("Unknown EVC++ compiler version - please run the configure tests and report the results")
+#         pragma message("boost: Unknown EVC++ compiler version - please run the configure tests and report the results")
 #      endif
 #   endif
 # else

--- a/boost/config/compiler/xlcpp.hpp
+++ b/boost/config/compiler/xlcpp.hpp
@@ -246,6 +246,10 @@
 #  define BOOST_NO_CXX17_STRUCTURED_BINDINGS
 #endif

+#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
+#  define BOOST_NO_CXX17_IF_CONSTEXPR
+#endif
+
 // Clang 3.9+ in c++1z
 #if !__has_cpp_attribute(fallthrough) || __cplusplus < 201406L
 #  define BOOST_NO_CXX17_INLINE_VARIABLES

--- a/boost/config/compiler/xlcpp_zos.hpp
+++ b/boost/config/compiler/xlcpp_zos.hpp
@@ -153,6 +153,7 @@
 #define BOOST_NO_CXX17_STRUCTURED_BINDINGS
 #define BOOST_NO_CXX17_INLINE_VARIABLES
 #define BOOST_NO_CXX17_FOLD_EXPRESSIONS
+#define BOOST_NO_CXX17_IF_CONSTEXPR

 // -------------------------------------


--- a/boost/config/detail/select_compiler_config.hpp
+++ b/boost/config/detail/select_compiler_config.hpp
@@ -39,8 +39,7 @@
 //  Intel
 #   define BOOST_COMPILER_CONFIG "boost/config/compiler/intel.hpp"

-#elif defined __clang__ && !defined(__CUDACC__) && !defined(__ibmxl__)
-// when using clang and cuda at same time, you want to appear as gcc
+#elif defined __clang__ && !defined(__ibmxl__)
 //  Clang C++ emulates GCC, so it has to appear early.
 #   define BOOST_COMPILER_CONFIG "boost/config/compiler/clang.hpp"


--- a/boost/config/detail/suffix.hpp
+++ b/boost/config/detail/suffix.hpp
@@ -1023,6 +1023,19 @@ namespace std{ using ::type_info; }
 #  define BOOST_NO_CXX11_FIXED_LENGTH_VARIADIC_TEMPLATE_EXPANSION_PACKS
 #endif

+// This is a catch all case for obsolete compilers / std libs:
+#if !defined(__has_include)
+#  define BOOST_NO_CXX17_HDR_OPTIONAL
+#  define BOOST_NO_CXX17_HDR_STRING_VIEW
+#else
+#if !__has_include(<optional>)
+#  define BOOST_NO_CXX17_HDR_OPTIONAL
+#endif
+#if !__has_include(<string_view>)
+#  define BOOST_NO_CXX17_HDR_STRING_VIEW
+#endif
+#endif
+
 //
 // Finish off with checks for macros that are depricated / no longer supported,
 // if any of these are set then it's very likely that much of Boost will no

--- a/boost/config/platform/cygwin.hpp
+++ b/boost/config/platform/cygwin.hpp
@@ -42,8 +42,11 @@
 #   define BOOST_HAS_STDINT_H
 #endif

+#include <cygwin/version.h>
+#if (CYGWIN_VERSION_API_MAJOR == 0 && CYGWIN_VERSION_API_MINOR < 231)
 /// Cygwin has no fenv.h
 #define BOOST_NO_FENV_H
+#endif

 // Cygwin has it's own <pthread.h> which breaks <shared_mutex> unless the correct compiler flags are used:
 #ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX

--- a/boost/config/stdlib/dinkumware.hpp
+++ b/boost/config/stdlib/dinkumware.hpp
@@ -96,7 +96,7 @@
 #include <exception>
 #endif
 #include <typeinfo>
-#if ( (!_HAS_EXCEPTIONS && !defined(__ghs__)) || (!_HAS_NAMESPACE && defined(__ghs__)) ) && !defined(__TI_COMPILER_VERSION__) && !defined(__VISUALDSPVERSION__) \
+#if ( (!_HAS_EXCEPTIONS && !defined(__ghs__)) || (defined(__ghs__) && !_HAS_NAMESPACE) ) && !defined(__TI_COMPILER_VERSION__) && !defined(__VISUALDSPVERSION__) \
 	&& !defined(__VXWORKS__)
 #  define BOOST_NO_STD_TYPEINFO
 #endif  
@@ -175,7 +175,7 @@
 #  define BOOST_NO_CXX17_STD_APPLY
 #  define BOOST_NO_CXX17_ITERATOR_TRAITS
 #endif
-#if !defined(_CPPLIB_VER) || (_CPPLIB_VER < 650)
+#if !defined(_CPPLIB_VER) || (_CPPLIB_VER < 650) || !defined(_HAS_CXX17) || (_HAS_CXX17 == 0) || !defined(_MSVC_STL_UPDATE) || (_MSVC_STL_UPDATE < 201709)
 #  define BOOST_NO_CXX17_STD_INVOKE
 #endif


--- a/boost/config/stdlib/libcpp.hpp
+++ b/boost/config/stdlib/libcpp.hpp
@@ -87,11 +87,10 @@
 #endif

 // C++17 features
-#if (_LIBCPP_VERSION < 3700) || (__cplusplus <= 201402L)
-#  define BOOST_NO_CXX17_STD_INVOKE
-#endif
 #if (_LIBCPP_VERSION < 4000) || (__cplusplus <= 201402L)
 #  define BOOST_NO_CXX17_STD_APPLY
+#  define BOOST_NO_CXX17_HDR_OPTIONAL
+#  define BOOST_NO_CXX17_HDR_STRING_VIEW
 #endif
 #if (_LIBCPP_VERSION > 4000) && (__cplusplus > 201402L) && !defined(_LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR)
 #  define BOOST_NO_AUTO_PTR
@@ -104,6 +103,7 @@
 #endif

 #define BOOST_NO_CXX17_ITERATOR_TRAITS
+#define BOOST_NO_CXX17_STD_INVOKE      // Invoke support is incomplete (no invoke_result)

 #if (_LIBCPP_VERSION <= 1101) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)
 // This is a bit of a sledgehammer, because really it's just libc++abi that has no
@@ -113,10 +113,16 @@
 #  define BOOST_NO_CXX11_THREAD_LOCAL
 #endif

-#if defined(__linux__) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)
+#if defined(__linux__) && (_LIBCPP_VERSION < 6000) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)
 // After libc++-dev is installed on Trusty, clang++-libc++ almost works,
 // except uses of `thread_local` fail with undefined reference to
 // `__cxa_thread_atexit`.
+//
+// clang's libc++abi provides an implementation by deferring to the glibc
+// implementation, which may or may not be available (it is not on Trusty).
+// clang 4's libc++abi will provide an implementation if one is not in glibc
+// though, so thread local support should work with clang 4 and above as long
+// as libc++abi is linked in.
 #  define BOOST_NO_CXX11_THREAD_LOCAL
 #endif

@@ -130,4 +136,8 @@
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif

+#if !defined(BOOST_NO_CXX14_HDR_SHARED_MUTEX) && (_LIBCPP_VERSION < 5000)
+#  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
+#endif
+
 //  --- end ---
--- a/boost/config/stdlib/libstdcpp3.hpp
+++ b/boost/config/stdlib/libstdcpp3.hpp
@@ -294,13 +294,13 @@ extern "C" char *gets (char *__s);
 #endif

 //
-//  C++17 features in GCC 6.1 and later
+//  C++17 features in GCC 7.1 and later
 //
-#if (BOOST_LIBSTDCXX_VERSION < 60100) || (__cplusplus <= 201402L)
-#  define BOOST_NO_CXX17_STD_INVOKE
-#endif
 #if (BOOST_LIBSTDCXX_VERSION < 70100) || (__cplusplus <= 201402L)
+#  define BOOST_NO_CXX17_STD_INVOKE
 #  define BOOST_NO_CXX17_STD_APPLY
+#  define BOOST_NO_CXX17_HDR_OPTIONAL
+#  define BOOST_NO_CXX17_HDR_STRING_VIEW
 #endif

 #if defined(__has_include)