[__sequent__]: #undef _PTRDIFF_T_ at beginning, if defined.

From-SVN: r2932

diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
index 4601547fcc2ecf7dfae35f8131505d39e24c7196..65084f4764df3e8943a49d8406e8b31dd171b0fc 100644 (file)
--- a/gcc/ginclude/stddef.h
+++ b/gcc/ginclude/stddef.h
@@ -42,6 +42,12 @@
 #endif
 #endif /* _ANSI_H_ */
 
+/* Sequent's header files use _PTRDIFF_T_ in some conflicting way.
+   Just ignore it.  */
+#if defined (__sequent__) && defined (_PTRDIFF_T_)
+#undef _PTRDIFF_T_
+#endif
+
 /* In case nobody has defined these types, but we aren't running under
    GCC 2.00, make sure that __PTRDIFF_TYPE__, __SIZE__TYPE__, and
    __WCHAR_TYPE__ have reasonable values.  This can happen if the