pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT when _HPUX_SOURCE is defined.

	* config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
	when _HPUX_SOURCE is defined.
	(LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.

From-SVN: r170855

gcc/ChangeLog

+2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	* config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
+	when _HPUX_SOURCE is defined.
+	(LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
+
 2011-03-10  Jason Merrill  <jason@redhat.com>
 
 	PR c++/48029

gcc/config/pa/pa-hpux10.h

@@ -42,12 +42,14 @@ along with GCC; see the file COPYING3.  If not see
 	if (c_dialect_cxx ())						\
 	  {								\
 	    builtin_define ("_HPUX_SOURCE");				\
+	    builtin_define ("_REENTRANT");				\
 	    builtin_define ("_INCLUDE_LONGLONG");			\
 	    builtin_define ("__STDCPP__");				\
 	  }								\
 	else if (!flag_iso)						\
 	  {								\
 	    builtin_define ("_HPUX_SOURCE");				\
+	    builtin_define ("_REENTRANT");				\
 	    if (preprocessing_trad_p ())				\
 	      {								\
 		builtin_define ("hp9000s800");				\
@@ -111,7 +113,7 @@ along with GCC; see the file COPYING3.  If not see
   "%{!shared:\
      %{!p:%{!pg:\
        %{!threads:-lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}\
-       %{threads:-lcma -lc_r}}}\
+       %{threads:-lcma -lc}}}\
      %{p:%{!pg:-lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}\
      %{pg:-lc %{static:%{!nolibdld:-a shared -ldld -a archive -lc}}}}"