remove: #include <boost/config.hpp>

https://github.com/boostorg/config/blob/ffe4e0f5a448578cce14e3eed0cf7163333a81d9/include/boost/config/compiler/gcc_xml.hpp#L75-L77 https://github.com/boostorg/config/blob/ffe4e0f5a448578cce14e3eed0cf7163333a81d9/include/boost/config/compiler/clang.hpp#L294-L296 https://github.com/boostorg/config/blob/ffe4e0f5a448578cce14e3eed0cf7163333a81d9/include/boost/config/compiler/visualc.hpp#L245-L249
Naios · Nov 2, 2020 · 477159e · 477159e
1 parent f51c6e7
commit 477159e
Showing 1 changed file with 7 additions and 8 deletions.
diff --git a/include/function2/function2.hpp b/include/function2/function2.hpp
@@ -67,19 +67,18 @@
 #include <exception>
 #endif
 
-#if defined(__has_include)
-#if __has_include(<boost/config.hpp>)
-#include <boost/config.hpp>
-#define FU2_CXX14_CONSTEXPR BOOST_CXX14_CONSTEXPR
+#if defined(__cpp_constexpr) && (__cpp_constexpr >= 201304)
+#define FU2_CXX14_CONSTEXPR constexpr
+#elif defined(__clang__) && defined(__has_feature)
+#if __has_feature(__cxx_generic_lambdas__) && __has_feature(__cxx_relaxed_constexpr__)
+#define FU2_CXX14_CONSTEXPR constexpr
 #endif
+#elif defined(_MSC_VER) && (_MSC_VER >= 1915) && (_MSVC_LANG >= 201402)
+#define FU2_CXX14_CONSTEXPR constexpr
 #endif
 #ifndef FU2_CXX14_CONSTEXPR
-#if defined(__cpp_constexpr) && (__cpp_constexpr >= 201304)
-#define FU2_CXX14_CONSTEXPR constexpr
-#else
 #define FU2_CXX14_CONSTEXPR
 #endif
-#endif
 
 /// Hint for the compiler that this point should be unreachable
 #if defined(_MSC_VER)