--- gcc/config/mips/dec-osf1.h	2018/04/24 18:15:50	1.1.1.2
+++ gcc/config/mips/dec-osf1.h	2018/04/24 18:22:05	1.1.1.3
@@ -25,27 +25,34 @@ the Free Software Foundation, 675 Mass A
 -Asystem(unix) -Asystem(xpg4) -Acpu(mips) -Amachine(mips)"
 
 #define LINK_SPEC "\
-%{G*} \
-%{!mgas: \
-	%{EL} %{!EL: -EL} \
-	%{EB: %e-EB not supported} \
-	%{mips1} %{mips2} %{mips3} %{bestGnum} \
-	%{shared} %{non_shared} %{call_shared} %{no_archive} %{exact_version} \
-	%{!shared: %{!non_shared: %{!call_shared: -non_shared}}}}"
+%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
+%{bestGnum} %{shared} %{non_shared} \
+%{call_shared} %{no_archive} %{exact_version} \
+%{!shared: %{!non_shared: %{!call_shared: -non_shared}}}"
 
 #include "mips/ultrix.h"
 
-/* Specify size_t, ptrdiff_t, and wchar_t types.  */
+/* Specify size_t and wchar_t types.  */
 #undef	SIZE_TYPE
-#undef	PTRDIFF_TYPE
 #undef	WCHAR_TYPE
 #undef	WCHAR_TYPE_SIZE
 
 #define SIZE_TYPE	"long unsigned int"
-#define PTRDIFF_TYPE	"int"
 #define WCHAR_TYPE	"short unsigned int"
 #define WCHAR_TYPE_SIZE SHORT_TYPE_SIZE
 
+#undef CPP_SPEC
+#define CPP_SPEC "\
+%{.S:	-D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{.s:	-D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{.cc:	-D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
+%{.cxx:	-D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
+%{.C:	-D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS} \
+%{.m:	-D__LANGUAGE_OBJECTIVE_C__ -D__LANGUAGE_OBJECTIVE_C} \
+%{!.S:%{!.s:	-D__LANGUAGE_C__  -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}} \
+%{mlong64:-D__PTRDIFF_TYPE__=long\\ int} \
+%{!mlong64:-D__PTRDIFF_TYPE__=int}"
+
 /* turn off collect2 COFF support, since ldfcn now has elf declaration */
 #undef OBJECT_FORMAT_COFF