WaE: unreferenced formal parameters and old-style declarators

Change-Id: I3bdf909d169696b0ce79ee9830aa99ae880636db

external/glibc/glibc-2.1.3.patch

@@ -27,3 +27,37 @@
 			     const char *__shortopts,
 		             const struct option *__longopts, int *__longind,
 			     int __long_only);
+--- misc/glibc-2.1.3/posix/getopt1.c
++++ misc/build/glibc-2.1.3/posix/getopt1.c
+@@ -62,6 +62,13 @@
+ #ifndef	NULL
+ #define NULL 0
+ #endif
++
++#ifdef _MSC_VER
++// C4100: unreferenced formal parameter
++#pragma warning (disable: 4100)
++// C4131: uses old-style declarator
++#pragma warning (disable: 4131)
++#endif
+ 
+ int
+ getopt_long (argc, argv, options, long_options, opt_index)
+
+--- misc/glibc-2.1.3/posix/getopt.c
++++ misc/build/glibc-2.1.3/posix/getopt.c
+@@ -86,6 +86,13 @@
+ #  define _(msgid)	(msgid)
+ # endif
+ #endif
++
++#ifdef _MSC_VER
++// C4100: unreferenced formal parameter
++#pragma warning (disable: 4100)
++// C4131: uses old-style declarator
++#pragma warning (disable: 4131)
++#endif
+ 
+ /* This version of `getopt' appears to the caller like standard Unix `getopt'
+    but it behaves differently for the user, since it allows the user
+