By default turn on -fno-builtin, but #define the memory/string functions as __builtin_<func>

From-SVN: r1394

gcc/config/mips/osfrose.h

@@ -55,7 +55,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 %{.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:	-D__LANGUAGE_C__  -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
+%{!.S:	-D__LANGUAGE_C__  -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}} \
+%{!fbuiltin: %{!fno-builtin: %{O*: \
+	-Dmemcpy=__builtin_memcpy \
+	-Dmemcmp=__builtin_memcmp \
+	-Dstrcpy=__builtin_strcpy \
+	-Dstrcmp=__builtin_strcmp \
+	-Dstrlen=__builtin_strlen }}}"
 
 #define LINK_SPEC "\
 %{G*} \
@@ -83,6 +89,19 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define MD_STARTFILE_PREFIX	"/usr/ccs/lib/"
 #endif
 
+/* Turn on -mpic-extern and -fno-builtin by default.  */
+#define CC1_SPEC "\
+%{O*: %{!mno-gpOPT:%{!mno-gpopt: -mgpopt}}} \
+%{gline:%{!g:%{!g0:%{!g1:%{!g2: -g1}}}}} \
+%{G*} \
+%{pic-none:   -mno-half-pic} \
+%{pic-lib:    -mhalf-pic} \
+%{pic-extern: -mhalf-pic} \
+%{pic-calls:  -mhalf-pic} \
+%{!pic-*:     -mhalf-pic} \
+%{!fbuiltin: %{!fno-builtin: -fno-builtin}} \
+%{save-temps: }"
+
 /* Specify size_t, ptrdiff_t, and wchar_t types.  */
 #define SIZE_TYPE	"long unsigned int"
 #define PTRDIFF_TYPE	"int"