configure.in (AC_PREREQ): Bump to 2.13.

        * configure.in (AC_PREREQ): Bump to 2.13.
        (AC_C_STRINGIZE): Call this instead of using a custom macro.

        * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.

        * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.

        * acconfig.h (HAVE_CPP_STRINGIFY): Delete.

        * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
        (HAVE_STRINGIZE): Define.

From-SVN: r29590

gcc/ChangeLog

+Wed Sep 22 10:18:56 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* configure.in (AC_PREREQ): Bump to 2.13.
+	(AC_C_STRINGIZE): Call this instead of using a custom macro.
+
+	* gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
+
+	* system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
+
+	* acconfig.h (HAVE_CPP_STRINGIFY): Delete.
+
+	* alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
+	(HAVE_STRINGIZE): Define.
+
 Wed Sep 22 06:25:15 1999  Jim Kingdon  <http://developer.redhat.com>
 
 	* c-parse.in: save and restore warn_pointer_arith on __extension__

gcc/acconfig.h

@@ -23,9 +23,6 @@
 /* Define as 1 if you have gettext and don't want to use GNU gettext.  */
 #undef HAVE_GETTEXT
 
-/* Define if your cpp understands the stringify operator.  */
-#undef HAVE_CPP_STRINGIFY
-
 /* Define if your compiler understands volatile.  */
 #undef HAVE_VOLATILE
 

gcc/config.in

@@ -24,9 +24,6 @@
 /* Define as 1 if you have gettext and don't want to use GNU gettext.  */
 #undef HAVE_GETTEXT
 
-/* Define if your cpp understands the stringify operator.  */
-#undef HAVE_CPP_STRINGIFY
-
 /* Define if your compiler understands volatile.  */
 #undef HAVE_VOLATILE
 
@@ -171,6 +168,9 @@
 /* Define if you have a working `mmap' system call.  */
 #undef HAVE_MMAP
 
+/* Define if you have the ANSI # stringizing operator in cpp. */
+#undef HAVE_STRINGIZE
+
 /* Define if you have <sys/wait.h> that is POSIX.1 compatible.  */
 #undef HAVE_SYS_WAIT_H
 

gcc/config/alpha/xm-vms.h

@@ -81,7 +81,7 @@ Boston, MA 02111-1307, USA.  */
 #define HAVE_STDDEF_H 1
 #define HAVE_TIME_H 1
 #define STDC_HEADERS 1
-#define HAVE_CPP_STRINGIFY 1
+#define HAVE_STRINGIZE 1
 
 #if __STDC__
 extern void *alloca (size_t);

gcc/configure.in

@@ -21,7 +21,7 @@
 #Boston, MA 02111-1307, USA.
 
 # Initialization and defaults
-AC_PREREQ(2.12.1)
+AC_PREREQ(2.13)
 AC_INIT(tree.c)
 AC_CONFIG_HEADER(auto-host.h:config.in)
 
@@ -346,18 +346,9 @@ AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 # See if GNAT has been installed
 AC_CHECK_PROG(gnat, gnatbind, yes, no)
 
-# See if the system preprocessor understands the ANSI C preprocessor
-# stringification operator.
-AC_MSG_CHECKING(whether cpp understands the stringify operator)
-AC_CACHE_VAL(gcc_cv_c_have_stringify,
-[AC_TRY_COMPILE(,
-[#define S(x)   #x
-char *test = S(foo);],
-gcc_cv_c_have_stringify=yes, gcc_cv_c_have_stringify=no)])
-AC_MSG_RESULT($gcc_cv_c_have_stringify)
-if test $gcc_cv_c_have_stringify = yes; then
-  AC_DEFINE(HAVE_CPP_STRINGIFY)
-fi
+# See if the stage1 system preprocessor understands the ANSI C
+# preprocessor stringification operator.
+AC_C_STRINGIZE
 
 # Use <inttypes.h> only if it exists,
 # doesn't clash with <sys/types.h>, and declares intmax_t.

gcc/gansidecl.h

@@ -48,6 +48,11 @@ Boston, MA 02111-1307, USA.  */
 # ifndef HAVE_LONG_DOUBLE
 #  define HAVE_LONG_DOUBLE 1
 # endif
+/* Assume that (non-traditional) gcc used in stage2 or later has the
+   stringize feature.  */
+# if !defined (HAVE_STRINGIZE) && __STDC__
+#  define HAVE_STRINGIZE 1
+# endif /* ! HAVE_STRINGIZE && __STDC__ */
 #endif /* GCC >= 2.7 */
 
 #ifndef NULL_PTR

gcc/system.h

@@ -438,16 +438,13 @@ extern void abort ();
 #endif
 
 /* Define a STRINGIFY macro that's right for ANSI or traditional C.
-   HAVE_CPP_STRINGIFY only refers to the stage1 compiler.  Assume that
-   (non-traditional) gcc used in stage2 or later has this feature.
-
    Note: if the argument passed to STRINGIFY is itself a macro, eg
    #define foo bar, STRINGIFY(foo) will produce "foo", not "bar".
    Although the __STDC__ case could be made to expand this via a layer
    of indirection, the traditional C case can not do so.  Therefore
    this behavior is not supported. */
 #ifndef STRINGIFY
-# if defined(HAVE_CPP_STRINGIFY) || (defined(__GNUC__) && defined(__STDC__))
+# ifdef HAVE_STRINGIZE
 #  define STRINGIFY(STRING) #STRING
 # else
 #  define STRINGIFY(STRING) "STRING"