fix_1211_c++11_0.27. I'll explain this in the PR.

include/exiv2/config.h

@@ -93,6 +93,11 @@ typedef int pid_t;
 #endif
 //////////////////////////////////////
 
+#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW__)
+#define __USE_W32_SOCKETS
+#include <winsock2.h>
+#endif
+
 // https://softwareengineering.stackexchange.com/questions/291141/how-to-handle-design-changes-for-auto-ptr-deprecation-in-c11
 #if __cplusplus >= 201103L
   #include <memory>

samples/xmpdump.cpp

@@ -1,14 +1,12 @@
 // ***************************************************************** -*- C++ -*-
 // xmpdump.cpp
 // Sample program to dump the XMP packet of an image
+#include <exiv2/exiv2.hpp>
 
 #include <cassert>
 #include <iostream>
 #include <string>
 
-#include "error.hpp"
-#include "image.hpp"
-
 int main(int argc, char* const argv[])
 {
     Exiv2::XmpParser::initialize();

src/basicio.cpp

@@ -71,7 +71,7 @@
 # include <sys/xattr.h>
 #endif
 
-#if defined(__MINGW__) || (defined(WIN32) && !defined(__CYGWIN))
+#if defined(__MINGW__) || (defined(WIN32) && !defined(__CYGWIN__))
 // Windows doesn't provide nlink_t
 typedef short nlink_t;
 # include <windows.h>

src/http.cpp

@@ -20,11 +20,6 @@
 
 // included header files
 #include "config.h"
-#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW__)
-#define __USE_W32_SOCKETS
-#include <winsock2.h>
-#endif
-
 #include "datasets.hpp"
 #include "http.hpp"
 #include "futils.hpp"

unitTests/test_enforce.cpp

@@ -1,3 +1,4 @@
+#include <exiv2/exiv2.hpp>
 #include <enforce.hpp>
 
 #include "gtestwrapper.h"

unitTests/test_image_int.cpp

@@ -1,5 +1,5 @@
+#include <exiv2/exiv2.hpp>
 #include "gtestwrapper.h"
-
 #include <image_int.hpp>
 
 using namespace Exiv2::Internal;

unitTests/test_slice.cpp

@@ -1,3 +1,4 @@
+#include <exiv2/exiv2.hpp>
 #include <stdint.h>
 
 #include "slice.hpp"

xmpsdk/include/XMP_Environment.h

@@ -26,19 +26,19 @@
 // requires these to be defined without values, they are only used here to define XMP-specific
 // macros with 0 or 1 values.
 
-/* 20-Oct-07, ahu: Determine the platform, set the above defines accordingly.                     */
 
 #if !defined(_FILE_OFFSET_BITS)
 #define _FILE_OFFSET_BITS 64
 #endif
 
-#if defined __CYGWIN32__ && !defined __CYGWIN__
-   /* For backwards compatibility with Cygwin b19 and
-      earlier, we define __CYGWIN__ here, so that
-      we can rely on checking just for that macro. */
-# define __CYGWIN__  __CYGWIN32__
+#if __LP64__
+# ifdef  _WIN64
+#  undef _WIN64
+# endif
+# define _WIN64 1
 #endif
-#if defined WIN32 && !defined __CYGWIN__
+
+#if defined WIN32
 # define WIN_ENV 1
 /* Todo: How to correctly recognize a Mac platform? */
 #elif defined macintosh || defined MACOS_CLASSIC || defined MACOS_X_UNIX || defined MACOS_X || defined MACOS || defined(__APPLE__)