Supress a lot of compiler noise in hopes of finding real errors. Right now, a plugin free DFHack can be built with VS2015

CMakeLists.txt

@@ -56,6 +56,15 @@ endif()
 if(MSVC)
 # disable C4819 code-page warning
 add_definitions( "/wd4819" )
+
+# Disable use of POSIX name warnings
+add_definitions ( "/D_CRT_NONSTDC_NO_WARNINGS")
+
+# supress C4503 - VC++ dislikes if a name is too long. If you get
+# weird and mysterious linking errors, you can disable this, but you'll have to
+# deal with a LOT of compiler noise over it
+# see https://msdn.microsoft.com/en-us/library/074af4b6.aspx
+add_definitions( "/wd4503")
 endif()
 
 IF(CMAKE_CROSSCOMPILING)

library/include/Error.h

@@ -38,8 +38,18 @@ namespace DFHack
          * our wrapper for the C++ exception. used to differentiate
          * the whole array of DFHack exceptions from the rest
          */
-        class DFHACK_EXPORT All : public std::exception{};
-
+#ifdef _MSC_VER 
+#pragma push
+/**
+ * C4275 is - The warning officially is  non dll-interface class 'std::exception' used as base for 
+ * dll-interface class 
+ *
+ * Basically, its saying that you might have an ABI problem if you mismatch compilers. We don't
+ * care since we build all of DFhack at once against whatever Toady is using
+ */
+#pragma warning(disable: 4275) 
+      class DFHACK_EXPORT All : public std::exception{};
+#endif
         class DFHACK_EXPORT NullPointer : public All {
             const char *varname_;
         public: