Imported Upstream version 1.64.0upstream/1.64.0

Change-Id: Id9212edd016dd55f21172c427aa7894d1d24148b
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

22 files changed, 123 insertions, 24 deletions

diff --git a/boost/config/auto_link.hpp b/boost/config/auto_link.hpp
index 56a16b0b38..c71e8035dd 100644
--- a/boost/config/auto_link.hpp
+++ b/boost/config/auto_link.hpp
@@ -161,10 +161,15 @@ BOOST_LIB_VERSION:    The Boost version, in the form x_y, for Boost version x.y.
      // vc12:
 #    define BOOST_LIB_TOOLSET "vc120"
 
-# elif defined(BOOST_MSVC)
+#  elif defined(BOOST_MSVC) && (BOOST_MSVC < 1910)
 
-   // vc14:
-#  define BOOST_LIB_TOOLSET "vc140"
+     // vc14:
+#    define BOOST_LIB_TOOLSET "vc140"
+
+#  elif defined(BOOST_MSVC)
+
+     // vc14.1:
+#    define BOOST_LIB_TOOLSET "vc141"
 
 #  elif defined(__BORLANDC__)
 
diff --git a/boost/config/compiler/borland.hpp b/boost/config/compiler/borland.hpp
index ccd930ea53..b749496e38 100644
--- a/boost/config/compiler/borland.hpp
+++ b/boost/config/compiler/borland.hpp
@@ -185,6 +185,7 @@
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_UNICODE_LITERALS    // UTF-8 still not supported
 #define BOOST_NO_CXX11_VARIADIC_TEMPLATES
diff --git a/boost/config/compiler/clang.hpp b/boost/config/compiler/clang.hpp
index 150e3c0d52..175229c64a 100644
--- a/boost/config/compiler/clang.hpp
+++ b/boost/config/compiler/clang.hpp
@@ -57,7 +57,7 @@
 #define BOOST_HAS_NRVO
 
 // Branch prediction hints
-#if defined(__has_builtin)
+#if !defined (__c2__) && defined(__has_builtin)
 #if __has_builtin(__builtin_expect)
 #define BOOST_LIKELY(x) __builtin_expect(x, 1)
 #define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
@@ -282,6 +282,10 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
+#if __cplusplus < 201103L
+#define BOOST_NO_CXX11_SFINAE_EXPR
+#endif
+
 #if __cplusplus < 201400
 // All versions with __cplusplus above this value seem to support this:
 #  define BOOST_NO_CXX14_DIGIT_SEPARATORS
diff --git a/boost/config/compiler/codegear.hpp b/boost/config/compiler/codegear.hpp
index e2f6061b37..3c5262fe49 100644
--- a/boost/config/compiler/codegear.hpp
+++ b/boost/config/compiler/codegear.hpp
@@ -112,6 +112,7 @@
 #define BOOST_NO_CXX11_RAW_LITERALS
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_UNICODE_LITERALS
 #define BOOST_NO_CXX11_VARIADIC_TEMPLATES
diff --git a/boost/config/compiler/common_edg.hpp b/boost/config/compiler/common_edg.hpp
index c09faeb0dd..eab9378486 100644
--- a/boost/config/compiler/common_edg.hpp
+++ b/boost/config/compiler/common_edg.hpp
@@ -95,6 +95,7 @@
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_UNICODE_LITERALS
diff --git a/boost/config/compiler/cray.hpp b/boost/config/compiler/cray.hpp
index 837f815234..eab5287751 100644
--- a/boost/config/compiler/cray.hpp
+++ b/boost/config/compiler/cray.hpp
@@ -39,6 +39,7 @@
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_CXX11_RANGE_BASED_FOR
diff --git a/boost/config/compiler/digitalmars.hpp b/boost/config/compiler/digitalmars.hpp
index c344aae044..e371a68e99 100644
--- a/boost/config/compiler/digitalmars.hpp
+++ b/boost/config/compiler/digitalmars.hpp
@@ -71,6 +71,7 @@
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_UNICODE_LITERALS
diff --git a/boost/config/compiler/gcc.hpp b/boost/config/compiler/gcc.hpp
index e319d04958..c82cbc7eda 100644
--- a/boost/config/compiler/gcc.hpp
+++ b/boost/config/compiler/gcc.hpp
@@ -253,6 +253,7 @@
 #if (BOOST_GCC_VERSION < 40800) || !defined(BOOST_GCC_CXX11)
 #  define BOOST_NO_CXX11_ALIGNAS
 #  define BOOST_NO_CXX11_THREAD_LOCAL
+#  define BOOST_NO_CXX11_SFINAE_EXPR
 #endif
 
 // C++0x features in 4.8.1 and later
diff --git a/boost/config/compiler/gcc_xml.hpp b/boost/config/compiler/gcc_xml.hpp
index b56c78628c..63b08ac483 100644
--- a/boost/config/compiler/gcc_xml.hpp
+++ b/boost/config/compiler/gcc_xml.hpp
@@ -46,6 +46,7 @@
 #  define BOOST_NO_CXX11_HDR_INITIALIZER_LIST
 #  define BOOST_NO_CXX11_SCOPED_ENUMS
 #  define BOOST_NO_SFINAE_EXPR
+#  define BOOST_NO_CXX11_SFINAE_EXPR
 #  define BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
 #  define BOOST_NO_CXX11_LAMBDAS
 #  define BOOST_NO_CXX11_LOCAL_CLASS_TEMPLATE_PARAMETERS
diff --git a/boost/config/compiler/hp_acc.hpp b/boost/config/compiler/hp_acc.hpp
index a773b8c442..9df18eaf67 100644
--- a/boost/config/compiler/hp_acc.hpp
+++ b/boost/config/compiler/hp_acc.hpp
@@ -114,6 +114,7 @@
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_UNICODE_LITERALS
diff --git a/boost/config/compiler/intel.hpp b/boost/config/compiler/intel.hpp
index 1885ea281f..f55189a0ab 100644
--- a/boost/config/compiler/intel.hpp
+++ b/boost/config/compiler/intel.hpp
@@ -39,15 +39,20 @@
 #  define BOOST_NO_CXX14_VARIABLE_TEMPLATES
 #endif
 
-#else
+#else // defined(_MSC_VER)
 
 #include <boost/config/compiler/gcc.hpp>
 
 #undef BOOST_GCC_VERSION
 #undef BOOST_GCC_CXX11
 
+// 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
 
+#endif // defined(_MSC_VER)
+
 #undef BOOST_COMPILER
 
 #if defined(__INTEL_COMPILER)
@@ -92,7 +97,7 @@
 #  define BOOST_INTEL_LINUX BOOST_INTEL
 #endif
 
-#else
+#else // defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500) && (defined(_MSC_VER) || defined(__GNUC__))
 
 #include <boost/config/compiler/common_edg.hpp>
 
@@ -410,6 +415,11 @@ template<> struct assert_intrinsic_wchar_t<unsigned short> {};
 #  undef BOOST_NO_SFINAE_EXPR
 #endif
 
+// BOOST_NO_CXX11_SFINAE_EXPR
+#if (BOOST_INTEL_CXX_VERSION >= 1500) && (!defined(BOOST_INTEL_GCC_VERSION) || (BOOST_INTEL_GCC_VERSION >= 40800)) && !defined(_MSC_VER)
+#  undef BOOST_NO_CXX11_SFINAE_EXPR
+#endif
+
 // BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS
 #if (BOOST_INTEL_CXX_VERSION >= 1500) && (!defined(BOOST_INTEL_GCC_VERSION) || (BOOST_INTEL_GCC_VERSION >= 40500)) && (!defined(_MSC_VER) || (_MSC_FULL_VER >= 180020827))
 // This is available in earlier Intel releases, but breaks Multiprecision:
@@ -483,7 +493,7 @@ template<> struct assert_intrinsic_wchar_t<unsigned short> {};
 #  undef BOOST_NO_CXX11_FINAL
 #endif
 
-#endif
+#endif // defined(BOOST_INTEL_STDCXX0X)
 
 //
 // Broken in all versions up to 15:
@@ -500,11 +510,6 @@ template<> struct assert_intrinsic_wchar_t<unsigned short> {};
 #  define BOOST_NO_CXX11_HDR_TUPLE
 #endif
 
-// Broken in all versions up to 17:
-#if !defined(BOOST_NO_CXX14_CONSTEXPR)
-#define BOOST_NO_CXX14_CONSTEXPR
-#endif
-
 #if (BOOST_INTEL_CXX_VERSION < 1200)
 //
 // fenv.h appears not to work with Intel prior to 12.0:
@@ -535,10 +540,10 @@ template<> struct assert_intrinsic_wchar_t<unsigned short> {};
 #  define BOOST_HAS_INT128
 #endif
 
-#endif
+#endif // defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500) && (defined(_MSC_VER) || defined(__GNUC__))
 //
 // last known and checked version:
-#if (BOOST_INTEL_CXX_VERSION > 1500)
+#if (BOOST_INTEL_CXX_VERSION > 1700)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  elif defined(_MSC_VER)
diff --git a/boost/config/compiler/metrowerks.hpp b/boost/config/compiler/metrowerks.hpp
index 3c5e22868a..8d42563c34 100644
--- a/boost/config/compiler/metrowerks.hpp
+++ b/boost/config/compiler/metrowerks.hpp
@@ -113,6 +113,7 @@
 #define BOOST_NO_CXX11_RAW_LITERALS
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_UNICODE_LITERALS
diff --git a/boost/config/compiler/mpw.hpp b/boost/config/compiler/mpw.hpp
index 084f9e154f..1b8d39ea29 100644
--- a/boost/config/compiler/mpw.hpp
+++ b/boost/config/compiler/mpw.hpp
@@ -62,6 +62,7 @@
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #define BOOST_NO_CXX11_UNICODE_LITERALS
diff --git a/boost/config/compiler/pathscale.hpp b/boost/config/compiler/pathscale.hpp
index a5e65af49b..016ad5a42f 100644
--- a/boost/config/compiler/pathscale.hpp
+++ b/boost/config/compiler/pathscale.hpp
@@ -37,6 +37,7 @@
 #  define BOOST_NO_CXX11_TEMPLATE_ALIASES
 #  define BOOST_NO_CXX11_STATIC_ASSERT
 #  define BOOST_NO_SFINAE_EXPR
+#  define BOOST_NO_CXX11_SFINAE_EXPR
 #  define BOOST_NO_CXX11_SCOPED_ENUMS
 #  define BOOST_NO_CXX11_RVALUE_REFERENCES
 #  define BOOST_NO_CXX11_RANGE_BASED_FOR
diff --git a/boost/config/compiler/pgi.hpp b/boost/config/compiler/pgi.hpp
index fa2d5e402d..af7005142f 100644
--- a/boost/config/compiler/pgi.hpp
+++ b/boost/config/compiler/pgi.hpp
@@ -88,6 +88,7 @@
 #define BOOST_NO_CXX11_RVALUE_REFERENCES
 #define BOOST_NO_CXX11_SCOPED_ENUMS
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_STATIC_ASSERT
 #define BOOST_NO_SWPRINTF
 #define BOOST_NO_CXX11_TEMPLATE_ALIASES
diff --git a/boost/config/compiler/sunpro_cc.hpp b/boost/config/compiler/sunpro_cc.hpp
index ac259fce28..cdd30b14ea 100644
--- a/boost/config/compiler/sunpro_cc.hpp
+++ b/boost/config/compiler/sunpro_cc.hpp
@@ -141,6 +141,7 @@
 //
 #  define BOOST_HAS_LONG_LONG
 
+#define BOOST_NO_CXX11_SFINAE_EXPR
 
 // C++ 14:
 #if !defined(__cpp_aggregate_nsdmi) || (__cpp_aggregate_nsdmi < 201304)
diff --git a/boost/config/compiler/vacpp.hpp b/boost/config/compiler/vacpp.hpp
index 3fbed9fafe..b75a1bd144 100644
--- a/boost/config/compiler/vacpp.hpp
+++ b/boost/config/compiler/vacpp.hpp
@@ -114,6 +114,7 @@
 #  define BOOST_NO_CXX11_SCOPED_ENUMS
 #endif
 #define BOOST_NO_SFINAE_EXPR
+#define BOOST_NO_CXX11_SFINAE_EXPR
 #define BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX
 #if ! __IBMCPP_STATIC_ASSERT
 #  define BOOST_NO_CXX11_STATIC_ASSERT
diff --git a/boost/config/compiler/visualc.hpp b/boost/config/compiler/visualc.hpp
index cdbc9b6701..760e2833f8 100644
--- a/boost/config/compiler/visualc.hpp
+++ b/boost/config/compiler/visualc.hpp
@@ -190,7 +190,7 @@
 #  define BOOST_NO_CXX11_CONSTEXPR
 #endif
 
-// C++14 features supported by VC++ 15 Preview 5
+// C++14 features supported by VC++ 14.1 (Visual Studio 2017)
 //
 #if (_MSC_VER < 1910)
 #  define BOOST_NO_CXX14_AGGREGATE_NSDMI
@@ -217,6 +217,27 @@
 // C++ 11:
 //
 #define BOOST_NO_TWO_PHASE_NAME_LOOKUP
+#define BOOST_NO_CXX11_SFINAE_EXPR
+
+//
+// Things that don't work in clr mode:
+//
+#ifdef _M_CEE
+#ifndef BOOST_NO_CXX11_THREAD_LOCAL
+#  define BOOST_NO_CXX11_THREAD_LOCAL
+#endif
+#ifndef BOOST_NO_SFINAE_EXPR
+#  define BOOST_NO_SFINAE_EXPR
+#endif
+#ifndef BOOST_NO_CXX11_REF_QUALIFIERS
+#  define BOOST_NO_CXX11_REF_QUALIFIERS
+#endif
+#endif
+#ifdef _M_CEE_PURE
+#ifndef BOOST_NO_CXX11_CONSTEXPR
+#  define BOOST_NO_CXX11_CONSTEXPR
+#endif
+#endif
 
 //
 // prefix and suffix headers:
@@ -282,8 +303,10 @@
 #     define BOOST_COMPILER_VERSION 11.0
 #   elif _MSC_VER < 1900
 #     define BOOST_COMPILER_VERSION 12.0
-#   elif _MSC_VER < 2000
+#   elif _MSC_VER < 1910
 #     define BOOST_COMPILER_VERSION 14.0
+#   elif _MSC_VER < 1920
+#     define BOOST_COMPILER_VERSION 14.1
 #   else
 #     define BOOST_COMPILER_VERSION _MSC_VER
 #   endif
@@ -293,7 +316,7 @@
 #endif
 
 //
-// last known and checked version is 19.10.24629 (VC++ 2017 RC):
+// last known and checked version is 19.10.25017 (VC++ 2017):
 #if (_MSC_VER > 1910)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
diff --git a/boost/config/platform/cygwin.hpp b/boost/config/platform/cygwin.hpp
index b7ef572fa6..53e23f7f08 100644
--- a/boost/config/platform/cygwin.hpp
+++ b/boost/config/platform/cygwin.hpp
@@ -23,7 +23,7 @@
 #  define BOOST_HAS_SCHED_YIELD
 #  define BOOST_HAS_GETTIMEOFDAY
 #  define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
-#  define BOOST_HAS_SIGACTION
+//#  define BOOST_HAS_SIGACTION
 #else
 #  if !defined(BOOST_HAS_WINTHREADS)
 #     define BOOST_HAS_WINTHREADS
@@ -51,7 +51,6 @@
 #ifdef BOOST_HAS_NL_TYPES_H
 #  undef BOOST_HAS_NL_TYPES_H
 #endif
- 
 
 
 
diff --git a/boost/config/stdlib/dinkumware.hpp b/boost/config/stdlib/dinkumware.hpp
index 8cf5d4dd26..3b95dcf3b5 100644
--- a/boost/config/stdlib/dinkumware.hpp
+++ b/boost/config/stdlib/dinkumware.hpp
@@ -196,6 +196,36 @@
 #  endif
 #endif
 
+
+//
+// Things not supported by the CLR:
+#ifdef _M_CEE
+#ifndef BOOST_NO_CXX11_HDR_MUTEX
+#  define BOOST_NO_CXX11_HDR_MUTEX
+#endif
+#ifndef BOOST_NO_CXX11_HDR_ATOMIC
+#  define BOOST_NO_CXX11_HDR_ATOMIC
+#endif
+#ifndef BOOST_NO_CXX11_HDR_FUTURE
+#  define BOOST_NO_CXX11_HDR_FUTURE
+#endif
+#ifndef BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
+#  define BOOST_NO_CXX11_HDR_CONDITION_VARIABLE
+#endif
+#ifndef BOOST_NO_CXX11_HDR_THREAD
+#  define BOOST_NO_CXX11_HDR_THREAD
+#endif
+#ifndef BOOST_NO_CXX14_HDR_SHARED_MUTEX
+#  define BOOST_NO_CXX14_HDR_SHARED_MUTEX
+#endif
+#ifndef BOOST_NO_CXX14_STD_EXCHANGE
+#  define BOOST_NO_CXX14_STD_EXCHANGE
+#endif
+#ifndef BOOST_NO_FENV_H
+#  define BOOST_NO_FENV_H
+#endif
+#endif
+
 #ifdef _CPPLIB_VER
 #  define BOOST_DINKUMWARE_STDLIB _CPPLIB_VER
 #else
diff --git a/boost/config/stdlib/libstdcpp3.hpp b/boost/config/stdlib/libstdcpp3.hpp
index 557767b1fa..205489a920 100644
--- a/boost/config/stdlib/libstdcpp3.hpp
+++ b/boost/config/stdlib/libstdcpp3.hpp
@@ -101,8 +101,8 @@
 
 //
 //  Decide which version of libstdc++ we have, normally
-//  stdlibc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly
-//  __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the stdlibc++
+//  libstdc++ C++0x support is detected via __GNUC__, __GNUC_MINOR__, and possibly
+//  __GNUC_PATCHLEVEL__ at the suggestion of Jonathan Wakely, one of the libstdc++
 //  developers. He also commented:
 //
 //       "I'm not sure how useful __GLIBCXX__ is for your purposes, for instance in
@@ -110,7 +110,7 @@
 //       Although 4.3.0 was released earlier than 4.2.4, it has better C++0x support
 //       than any release in the 4.2 series."
 //
-//  Another resource for understanding stdlibc++ features is:
+//  Another resource for understanding libstdc++ features is:
 //  http://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#manual.intro.status.standard.200x
 //
 //  However, using the GCC version number fails when the compiler is clang since this
@@ -222,7 +222,7 @@
 //
 #if (BOOST_LIBSTDCXX_VERSION < 40700) || !defined(BOOST_LIBSTDCXX11)
 // Note that although <chrono> existed prior to 4.7, "steady_clock" is spelled "monotonic_clock"
-// so 4.7.0 is the first truely conforming one.
+// so 4.7.0 is the first truly conforming one.
 #  define BOOST_NO_CXX11_HDR_CHRONO
 #  define BOOST_NO_CXX11_ALLOCATOR
 #endif
diff --git a/boost/config/suffix.hpp b/boost/config/suffix.hpp
index eeaec2bf69..6df9223fb2 100644
--- a/boost/config/suffix.hpp
+++ b/boost/config/suffix.hpp
@@ -583,6 +583,25 @@ namespace std{ using ::type_info; }
 #  define BOOST_GPU_ENABLED
 #  endif
 
+// BOOST_RESTRICT ---------------------------------------------//
+// Macro to use in place of 'restrict' keyword variants
+#if !defined(BOOST_RESTRICT)
+#  if defined(_MSC_VER)
+#    define BOOST_RESTRICT __restrict
+#    if !defined(BOOST_NO_RESTRICT_REFERENCES) && (_MSC_FULL_VER < 190023026)
+#      define BOOST_NO_RESTRICT_REFERENCES
+#    endif
+#  elif defined(__GNUC__) && __GNUC__ > 3
+     // Clang also defines __GNUC__ (as 4)
+#    define BOOST_RESTRICT __restrict__
+#  else
+#    define BOOST_RESTRICT
+#    if !defined(BOOST_NO_RESTRICT_REFERENCES)
+#      define BOOST_NO_RESTRICT_REFERENCES
+#    endif
+#  endif
+#endif
+
 // BOOST_FORCEINLINE ---------------------------------------------//
 // Macro to use in place of 'inline' to force a function to be inline
 #if !defined(BOOST_FORCEINLINE)
@@ -604,7 +623,7 @@ namespace std{ using ::type_info; }
 #  elif defined(__GNUC__) && __GNUC__ > 3
      // Clang also defines __GNUC__ (as 4)
 #    if defined(__CUDACC__)
-       // nvcc doesn't always parse __noinline__, 
+       // nvcc doesn't always parse __noinline__,
        // see: https://svn.boost.org/trac/boost/ticket/9392
 #      define BOOST_NOINLINE __attribute__ ((noinline))
 #    else