hpux.h: Predefine __STDCPP__ when compiling C++.

	* config/ia64/hpux.h: Predefine __STDCPP__ when compiling C++.
	* config/pa/pa-hpux10.h: Likewise.
	* config/pa/pa-hpux11.h: Likewise.

From-SVN: r81202

gcc/ChangeLog

+2004-04-26  Zack Weinberg  <zack@codesourcery.com>
+
+	* config/ia64/hpux.h: Predefine __STDCPP__ when compiling C++.
+	* config/pa/pa-hpux10.h: Likewise.
+	* config/pa/pa-hpux11.h: Likewise.
+
 2004-04-26  Geoffrey Keating  <geoffk@apple.com>
 
 	* doc/invoke.texi (Overall Options): Document default for -o

gcc/config/ia64/hpux.h

@@ -46,6 +46,7 @@ do {							\
 	  {						\
 	    builtin_define("_HPUX_SOURCE");		\
 	    builtin_define("__STDC_EXT__");		\
+	    builtin_define("__STDCPP__");		\
 	  }						\
 	if (TARGET_ILP32)				\
 	  builtin_define("_ILP32");			\

gcc/config/pa/pa-hpux10.h

@@ -25,7 +25,8 @@ Boston, MA 02111-1307, USA.  */
    we define __STDC_EXT__.  A similar situation exists with respect to
    the definition of __cplusplus.  We define _INCLUDE_LONGLONG
    to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
-   support).  */
+   support).  We define __STDCPP__ to get certain system headers
+   (notably assert.h) to assume standard preprocessor behavior in C++.  */
 #undef TARGET_OS_CPP_BUILTINS
 #define TARGET_OS_CPP_BUILTINS()				\
   do								\
@@ -43,6 +44,7 @@ Boston, MA 02111-1307, USA.  */
 	    builtin_define ("_HPUX_SOURCE");			\
 	    builtin_define ("_INCLUDE_LONGLONG");		\
 	    builtin_define ("__STDC_EXT__");			\
+	    builtin_define ("__STDCPP__");			\
 	  }							\
 	else if (!flag_iso)					\
 	  {							\

gcc/config/pa/pa-hpux11.h

@@ -23,7 +23,8 @@ Boston, MA 02111-1307, USA.  */
    we define __STDC_EXT__.  A similar situation exists with respect to
    the definition of __cplusplus.  We define _INCLUDE_LONGLONG
    to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
-   support).  */
+   support).  We define __STDCPP__ to get certain system headers
+   (notably assert.h) to assume standard preprocessor behavior in C++.  */
 #undef TARGET_OS_CPP_BUILTINS
 #define TARGET_OS_CPP_BUILTINS()				\
   do								\
@@ -41,6 +42,7 @@ Boston, MA 02111-1307, USA.  */
 	    builtin_define ("_HPUX_SOURCE");			\
 	    builtin_define ("_INCLUDE_LONGLONG");		\
 	    builtin_define ("__STDC_EXT__");			\
+	    builtin_define ("__STDCPP__");			\
 	  }							\
 	else							\
 	  {							\