- Worked around issue where stat doesn't work in v140_xp. Even though the bug was supposedly fixed for awhile now it didn't make it into Update 1.

src/CMakeLists.txt

@@ -496,6 +496,11 @@ if( NOT MSVC )
 	add_definitions( -D__forceinline=inline )
 endif( NOT MSVC )
 
+# Fix stat in v140_xp (broken in RTM and Update 1 so far)
+if( MSVC AND MSVC_VERSION EQUAL 1900 AND CMAKE_GENERATOR_TOOLSET STREQUAL "v140_xp" )
+	add_definitions( -D_stat64i32=VS14Stat )
+endif( MSVC AND MSVC_VERSION EQUAL 1900 AND CMAKE_GENERATOR_TOOLSET STREQUAL "v140_xp" )
+
 if( UNIX )
 	CHECK_LIBRARY_EXISTS( rt clock_gettime "" CLOCK_GETTIME_IN_RT )
 	if( NOT CLOCK_GETTIME_IN_RT )

src/win32/i_system.cpp

@@ -1726,3 +1726,36 @@ FString I_GetLongPathName(FString shortpath)
 	delete[] buff;
 	return longpath;
 }
+
+#if _MSC_VER == 1900 && defined(_USING_V110_SDK71_)
+//==========================================================================
+//
+// VS14Stat
+//
+// Work around an issue where stat doesn't work with v140_xp. This was
+// supposedly fixed, but as of Update 1 continues to not function on XP.
+//
+//==========================================================================
+
+#include <sys/stat.h>
+
+int VS14Stat(const char *path, struct _stat64i32 *buffer)
+{
+	WIN32_FILE_ATTRIBUTE_DATA data;
+	if(!GetFileAttributesEx(path, GetFileExInfoStandard, &data))
+		return -1;
+
+	buffer->st_ino = 0;
+	buffer->st_mode = ((data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? S_IFDIR : S_IFREG)|
+	                  ((data.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? S_IREAD : S_IREAD|S_IWRITE);
+	buffer->st_dev = buffer->st_rdev = 0;
+	buffer->st_nlink = 1;
+	buffer->st_uid = 0;
+	buffer->st_gid = 0;
+	buffer->st_size = data.nFileSizeLow;
+	buffer->st_atime = (*(QWORD*)&data.ftLastAccessTime) / 10000000 - 11644473600LL;
+	buffer->st_mtime = (*(QWORD*)&data.ftLastWriteTime) / 10000000 - 11644473600LL;
+	buffer->st_ctime = (*(QWORD*)&data.ftCreationTime) / 10000000 - 11644473600LL;
+	return 0;
+}
+#endif