Fix issue #61 by disabling cpp_feature.h on new enough compilers.

Author: ned14

include/quickcpplib/cpp_feature.h

@@ -1,5 +1,5 @@
 /* Provides SG-10 feature checking for all C++ compilers
-(C) 2014-2017 Niall Douglas <http://www.nedproductions.biz/> (13 commits)
+(C) 2014-2024 Niall Douglas <http://www.nedproductions.biz/> (13 commits)
 File Created: Nov 2014
 
 
@@ -25,6 +25,17 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef QUICKCPPLIB_HAS_FEATURE_H
 #define QUICKCPPLIB_HAS_FEATURE_H
 
+// Completely disable this file if on C++ 20 or later, or if compiler is new enough
+#if __cplusplus >= 202002L || _HAS_CXX20
+
+#include <version>
+
+#elif _MSC_VER >= 1920 || __GNUC__ >= 12 || __clang_major__ >= 17
+
+#include <ciso646>
+
+#else
+
 #if __cplusplus >= 201103L
 
 // Some of these macros ended up getting removed by ISO standards,
@@ -105,15 +116,15 @@ Distributed under the Boost Software License, Version 1.0.
 #define __cpp_delegating_constructors 190000
 #endif
 
-#if !defined(__cpp_explicit_conversion)   //// renamed from __cpp_explicit_conversions
+#if !defined(__cpp_explicit_conversion)  //// renamed from __cpp_explicit_conversions
 #define __cpp_explicit_conversion 190000
 #endif
 
 #if !defined(__cpp_inheriting_constructors)
 #define __cpp_inheriting_constructors 190000
 #endif
 
-#if !defined(__cpp_initializer_lists)   //// NEW
+#if !defined(__cpp_initializer_lists)  //// NEW
 #define __cpp_initializer_lists 190000
 #endif
 
@@ -125,15 +136,15 @@ Distributed under the Boost Software License, Version 1.0.
 #define __cpp_nsdmi 190000  //// NEW
 #endif
 
-#if !defined(__cpp_range_based_for)   //// renamed from __cpp_range_for
+#if !defined(__cpp_range_based_for)  //// renamed from __cpp_range_for
 #define __cpp_range_based_for 190000
 #endif
 
 #if !defined(__cpp_raw_strings)
 #define __cpp_raw_strings 190000
 #endif
 
-#if !defined(__cpp_ref_qualifiers)   //// renamed from __cpp_reference_qualified_functions
+#if !defined(__cpp_ref_qualifiers)  //// renamed from __cpp_reference_qualified_functions
 #define __cpp_ref_qualifiers 190000
 #endif
 
@@ -145,7 +156,7 @@ Distributed under the Boost Software License, Version 1.0.
 #define __cpp_static_assert 190000
 #endif
 
-#if !defined(__cpp_unicode_characters)   //// NEW
+#if !defined(__cpp_unicode_characters)  //// NEW
 #define __cpp_unicode_characters 190000
 #endif
 
@@ -205,7 +216,7 @@ Distributed under the Boost Software License, Version 1.0.
 #define __cpp_return_type_deduction 190000
 #endif
 
-#if !defined(__cpp_sized_deallocation)
+#if !defined(__cpp_sized_deallocation) && !defined(__clang__)
 #define __cpp_sized_deallocation 190000
 #endif
 
@@ -294,9 +305,9 @@ Distributed under the Boost Software License, Version 1.0.
 #define __cpp_static_assert 190000
 #endif
 
-//#if !defined(__cpp_unicode_literals)
-//# define __cpp_unicode_literals 190000
-//#endif
+// #if !defined(__cpp_unicode_literals)
+// # define __cpp_unicode_literals 190000
+// #endif
 
 #if !defined(__cpp_user_defined_literals) && _MSC_VER >= 1900
 #define __cpp_user_defined_literals 190000
@@ -309,9 +320,9 @@ Distributed under the Boost Software License, Version 1.0.
 
 // C++ 14
 
-//#if !defined(__cpp_aggregate_nsdmi)
-//#define __cpp_aggregate_nsdmi 190000
-//#endif
+// #if !defined(__cpp_aggregate_nsdmi)
+// #define __cpp_aggregate_nsdmi 190000
+// #endif
 
 #if !defined(__cpp_binary_literals) && _MSC_VER >= 1900
 #define __cpp_binary_literals 190000
@@ -562,3 +573,5 @@ Distributed under the Boost Software License, Version 1.0.
 #endif  // clang
 
 #endif
+
+#endif

include/quickcpplib/revision.hpp

@@ -1,4 +1,4 @@
 // Note the second line of this file must ALWAYS be the git SHA, third line ALWAYS the git SHA update time
-#define QUICKCPPLIB_PREVIOUS_COMMIT_REF    1875add409aee9e7aad75526cfefb3d571351095
-#define QUICKCPPLIB_PREVIOUS_COMMIT_DATE   "2024-11-19 15:28:11 +00:00"
-#define QUICKCPPLIB_PREVIOUS_COMMIT_UNIQUE 1875add4
+#define QUICKCPPLIB_PREVIOUS_COMMIT_REF    2f68cf6e9ef10b4613a9e4aaa4ce07175495a69a
+#define QUICKCPPLIB_PREVIOUS_COMMIT_DATE   "2024-12-05 20:08:56 +00:00"
+#define QUICKCPPLIB_PREVIOUS_COMMIT_UNIQUE 2f68cf6e