linux.h: Set CPLUSPLUS_CPP_SPEC.

	* config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
	* config/sparc/linux64.h: Likewise.

From-SVN: r45402

gcc/ChangeLog

+2001-09-05  David S. Miller  <davem@redhat.com>
+
+	* config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
+	* config/sparc/linux64.h: Likewise.
+
 2001-09-05  Andreas Jaeger  <aj@suse.de>
 
 	* doc/invoke.texi (i386 Options): -mwide-multiply is not

gcc/config/sparc/linux.h

@@ -70,6 +70,10 @@ Boston, MA 02111-1307, USA.  */
 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 "
 
+/* The GNU C++ standard library requires that these macros be defined.  */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
+
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (sparc GNU/Linux with ELF)");
 

gcc/config/sparc/linux64.h

@@ -124,6 +124,10 @@ Boston, MA 02111-1307, USA.  */
 
 #endif
 
+/* The GNU C++ standard library requires that these macros be defined.  */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
+
 #undef TARGET_VERSION
 #define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");