move some Win32-specific config stuff where it belongs

stepmania/src/archutils/Win32/arch_setup.h

@@ -1,11 +1,15 @@
 #ifndef ARCH_SETUP_WINDOWS_H
 #define ARCH_SETUP_WINDOWS_H
 
-/* Fix Windows breakage. */
-
+/* Fix VC breakage. */
 #define PATH_MAX _MAX_PATH
 
+#if _MSC_VER < 1300 /* VC6, not VC7 */
+#define NEED_MINMAX_TEMPLATES 1
+#endif
+
 #include <direct.h> /* has stuff that should be in unistd.h */
+#include <wchar.h> /* needs to be included before our fixes below */
 
 #define getcwd _getcwd
 #define wgetcwd _wgetcwd
@@ -17,5 +21,20 @@
 /* mkdir is missing the mode arg */
 #define mkdir(p,m) mkdir(p)
 
+#pragma warning (disable : 4786) // turn off broken debugger warning
+#pragma warning (disable : 4512) // assignment operator could not be generated (so?)
+/* "unreferenced formal parameter"; we *want* that in many cases */
+#pragma warning (disable : 4100)
+/* "case 'aaa' is not a valid value for switch of enum 'bbb'
+ * Actually, this is a valid warning, but we do it all over the
+ * place, eg. with ScreenMessages.  Those should be fixed, but later. XXX */
+#pragma warning (disable : 4063)
+#pragma warning (disable : 4127)
+#pragma warning (disable : 4786) /* VC6: identifier was truncated to '255' characters in the debug information */
+
+#undef min
+#undef max
+#define NOMINMAX /* make sure Windows doesn't try to define this */
+
 #endif