acconfig.h: Define `const' to the empty string if neither __STDC__ nor __cplusplus is defined.

	* acconfig.h: Define `const' to the empty string if neither
	__STDC__ nor __cplusplus is defined.
	* config.in: Regenerated.

From-SVN: r39272

gcc/ChangeLog

+2001-01-25  Mark Mitchell  <mark@codesourcery.com>
+
+	* acconfig.h: Define `const' to the empty string if neither
+	__STDC__ nor __cplusplus is defined.
+	* config.in: Regenerated.
+
 2001-01-25  David Edelsohn  <edelsohn@gnu.org>
 
 	* config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.

gcc/acconfig.h

@@ -25,3 +25,17 @@
 
 /* Define to `int' if <sys/types.h> doesn't define.  */
 #undef ssize_t
+
+@BOTTOM@
+
+/* Bison unconditionally undefines `const' if neither `__STDC__' nor
+   __cplusplus are defined.  That's a problem since we use `const' in
+   the GCC headers, and the resulting bison code is therefore type
+   unsafe.  Thus, we must match the bison behavior here.  */
+
+#ifndef __STDC__
+#ifndef __cplusplus
+#undef const
+#define const
+#endif
+#endif

gcc/config.in

@@ -452,3 +452,15 @@
 /* Define to 1 if you want to enable namespaces (-fhonor-std) by default. */
 #undef ENABLE_STD_NAMESPACE
 
+
+/* Bison unconditionally undefines `const' if neither `__STDC__' nor
+   __cplusplus are defined.  That's a problem since we use `const' in
+   the GCC headers, and the resulting bison code is therefore type
+   unsafe.  Thus, we must match the bison behavior here.  */
+
+#ifndef __STDC__
+#ifndef __cplusplus
+#undef const
+#define const
+#endif
+#endif