Ptential Fix for VS2015 compile fail #27

include/jwt/config.hpp

@@ -0,0 +1,51 @@
+/*
+  Copyright (c) 2018 Arun Muralidharan
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in all
+  copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+  SOFTWARE.
+*/
+#ifndef CPP_JWT_CONFIG_HPP
+#define CPP_JWT_CONFIG_HPP
+
+#ifdef _MSC_VER 
+#define strncasecmp _strnicmp
+#define strcasecmp _stricmp
+#endif
+
+// To hack around Visual Studio error:
+// error C3431: 'algorithm': a scoped enumeration cannot be redeclared as an unscoped enumeration
+#ifdef _MSC_VER
+#define SCOPED_ENUM enum class
+#else
+#define SCOPED_ENUM enum
+#endif
+
+// To hack around Visual Studio error
+//  error C3249: illegal statement or sub-expression for 'constexpr' function
+//  Doesn't allow assert to be part of constexpr functions.
+//  Copied the solution as described in:
+//  https://akrzemi1.wordpress.com/2017/05/18/asserts-in-constexpr-functions/
+#if defined NDEBUG
+# define X_ASSERT(CHECK) void(0)
+#else
+# define X_ASSERT(CHECK) \
+    ( (CHECK) ? void(0) : []{assert(!#CHECK);}() )
+#endif
+
+
+#endif