defect macro for C++17 feature std::invoke()

include/boost/config/stdlib/dinkumware.hpp

@@ -157,6 +157,11 @@
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
 
+// C++17 features
+#elif !defined(_CPPLIB_VER) || (_CPPLIB_VER < 650)
+#  define BOOST_NO_CXX17_STD_INVOKE
+#endif
+
 #if defined(BOOST_INTEL) && (BOOST_INTEL <= 1400)
 // Intel's compiler can't handle this header yet:
 #  define BOOST_NO_CXX11_HDR_ATOMIC

include/boost/config/stdlib/libcomo.hpp

@@ -72,6 +72,9 @@
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
 
+// C++17 features
+#  define BOOST_NO_CXX17_STD_INVOKE
+
 //
 // Intrinsic type_traits support.
 // The SGI STL has it's own __type_traits class, which

include/boost/config/stdlib/libcpp.hpp

@@ -73,6 +73,8 @@
 #if _LIBCPP_VERSION < 3700
 // libc++ uses a non-standard messages_base
 #define BOOST_NO_STD_MESSAGES
+// C++17 features
+#define BOOST_NO_CXX17_STD_INVOKE
 #endif
 
 #if (_LIBCPP_VERSION <= 1101) && !defined(BOOST_NO_CXX11_THREAD_LOCAL)

include/boost/config/stdlib/libstdcpp3.hpp

@@ -98,6 +98,7 @@
 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || (__cplusplus >= 201103)
 #  define BOOST_LIBSTDCXX11
 #endif
+
 //
 //  Decide which version of libstdc++ we have, normally
 //  stdlibc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly
@@ -122,7 +123,11 @@
 //
 #ifdef __clang__
 
-#if __has_include(<experimental/any>)
+#include <functional>
+
+#if defined(__cpp_lib_invoke) && (__cpp_lib_invoke >= 201411)
+#  define BOOST_LIBSTDCXX_VERSION 60100
+#elif __has_include(<experimental/any>)
 #  define BOOST_LIBSTDCXX_VERSION 50100
 #elif __has_include(<shared_mutex>)
 #  define BOOST_LIBSTDCXX_VERSION 40900
@@ -139,6 +144,7 @@
 #elif __has_include(<array>)
 #  define BOOST_LIBSTDCXX_VERSION 40300
 #endif
+
 //
 //  GCC 4.8 and 9 add working versions of <atomic> and <regex> respectively.
 //  However, we have no test for these as the headers were present but broken
@@ -251,6 +257,13 @@
 #  define BOOST_NO_CXX11_STD_ALIGN
 #endif
 
+//
+//  C++17 features in GCC 6.1 and later
+//
+#if (BOOST_LIBSTDCXX_VERSION < 60100) || (__cplusplus <= 201402L)
+#  define BOOST_NO_CXX17_STD_INVOKE
+#endif
+
 #if defined(__has_include)
 #if !__has_include(<shared_mutex>)
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX

include/boost/config/stdlib/modena.hpp

@@ -61,6 +61,9 @@
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
 
+// C++17 features
+#  define BOOST_NO_CXX17_STD_INVOKE
+
 #define BOOST_STDLIB "Modena C++ standard library"
 
 

include/boost/config/stdlib/msl.hpp

@@ -85,4 +85,7 @@
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
 
+// C++17 features
+#  define BOOST_NO_CXX17_STD_INVOKE
+
 #define BOOST_STDLIB "Metrowerks Standard Library version " BOOST_STRINGIZE(__MSL_CPP__)

include/boost/config/stdlib/roguewave.hpp

@@ -196,3 +196,6 @@
 #else
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
+
+// C++17 features
+#  define BOOST_NO_CXX17_STD_INVOKE

include/boost/config/stdlib/sgi.hpp

@@ -155,4 +155,7 @@
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
 
-#define BOOST_STDLIB "SGI standard library"
+// C++17 features
+#  define BOOST_NO_CXX17_STD_INVOKE
+
+#define BOOST_STDLIB "SGI standard library"

include/boost/config/stdlib/stlport.hpp

@@ -245,4 +245,7 @@ namespace boost { using std::min; using std::max; }
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
 
+// C++17 features
+#  define BOOST_NO_CXX17_STD_INVOKE
+
 #define BOOST_STDLIB "STLPort standard library version " BOOST_STRINGIZE(__SGI_STL_PORT)

include/boost/config/stdlib/vacpp.hpp

@@ -61,4 +61,7 @@
 #  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
 #endif
 
+// C++17 features
+#  define BOOST_NO_CXX17_STD_INVOKE
+
 #define BOOST_STDLIB "Visual Age default standard library"