linux.h (CPLUSPLUS_CPP_SPEC): New.

        * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
        (LIB_SPEC): Mirror config/linux.h version.

From-SVN: r43067

gcc/ChangeLog

 2001-06-08  Richard Henderson  <rth@redhat.com>
 
+	* config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
+	(LIB_SPEC): Mirror config/linux.h version.
+
+2001-06-08  Richard Henderson  <rth@redhat.com>
+
 	* except.c (get_exception_pointer, get_exception_filter): Take a
 	struct function.  Update all callers.
 	* except.h (get_exception_pointer): Update declaration.

gcc/config/alpha/linux.h

@@ -28,8 +28,15 @@ Boston, MA 02111-1307, USA.  */
 "-Dlinux -Dunix -Asystem=linux -D_LONGLONG -D__alpha__ " \
 SUB_CPP_PREDEFINES
 
+/* The GNU C++ standard library requires that these macros be defined.  */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp_cpu)"
+
 #undef LIB_SPEC
-#define LIB_SPEC "%{pg:-lgmon} %{pg:-lc_p} %{!pg:-lc}"
+#define LIB_SPEC \
+  "%{shared: -lc} \
+   %{!shared: %{pthread:-lpthread} \
+              %{profile:-lc_p} %{!profile: -lc}}"
 
 /* Show that we need a GP when profiling.  */
 #undef TARGET_PROFILING_NEEDS_GP