You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
/* ANSI and traditional C compatibility macros
#define PTRCONST void *const
#define LONG_DOUBLE long double
+/* PARAMS is often defined elsewhere (e.g. by libintl.h), so wrap it in
+ a #ifndef. */
+#ifndef PARAMS
#define PARAMS(ARGS) ARGS
+#endif
+
#define VPARAMS(ARGS) ARGS
#define VA_START(VA_LIST, VAR) va_start(VA_LIST, VAR)
/* Attributes on labels were valid as of gcc 2.93. */
#ifndef ATTRIBUTE_UNUSED_LABEL
-# if (GCC_VERSION >= 2093)
+# if (!defined (__cplusplus) && GCC_VERSION >= 2093)
# define ATTRIBUTE_UNUSED_LABEL ATTRIBUTE_UNUSED
# else
# define ATTRIBUTE_UNUSED_LABEL
-# endif /* GNUC >= 2.93 */
+# endif /* !__cplusplus && GNUC >= 2.93 */
#endif /* ATTRIBUTE_UNUSED_LABEL */
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#endif /* ATTRIBUTE_UNUSED */
+/* Before GCC 3.4, the C++ frontend couldn't parse attributes placed after the
+ identifier name. */
+#if ! defined(__cplusplus) || (GCC_VERSION >= 3004)
+# define ARG_UNUSED(NAME) NAME ATTRIBUTE_UNUSED
+#else /* !__cplusplus || GNUC >= 3.4 */
+# define ARG_UNUSED(NAME) NAME
+#endif /* !__cplusplus || GNUC >= 3.4 */
+
#ifndef ATTRIBUTE_NORETURN
#define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
#endif /* ATTRIBUTE_NORETURN */
+/* Attribute `nonnull' was valid as of gcc 3.3. */
+#ifndef ATTRIBUTE_NONNULL
+# if (GCC_VERSION >= 3003)
+# define ATTRIBUTE_NONNULL(m) __attribute__ ((__nonnull__ (m)))
+# else
+# define ATTRIBUTE_NONNULL(m)
+# endif /* GNUC >= 3.3 */
+#endif /* ATTRIBUTE_NONNULL */
+
+/* Attribute `pure' was valid as of gcc 3.0. */
+#ifndef ATTRIBUTE_PURE
+# if (GCC_VERSION >= 3000)
+# define ATTRIBUTE_PURE __attribute__ ((__pure__))
+# else
+# define ATTRIBUTE_PURE
+# endif /* GNUC >= 3.0 */
+#endif /* ATTRIBUTE_PURE */
+
+/* Use ATTRIBUTE_PRINTF when the format specifier must not be NULL.
+ This was the case for the `printf' format attribute by itself
+ before GCC 3.3, but as of 3.3 we need to add the `nonnull'
+ attribute to retain this behavior. */
#ifndef ATTRIBUTE_PRINTF
-#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n)))
+#define ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n))) ATTRIBUTE_NONNULL(m)
#define ATTRIBUTE_PRINTF_1 ATTRIBUTE_PRINTF(1, 2)
#define ATTRIBUTE_PRINTF_2 ATTRIBUTE_PRINTF(2, 3)
#define ATTRIBUTE_PRINTF_3 ATTRIBUTE_PRINTF(3, 4)
#define ATTRIBUTE_PRINTF_5 ATTRIBUTE_PRINTF(5, 6)
#endif /* ATTRIBUTE_PRINTF */
+/* Use ATTRIBUTE_FPTR_PRINTF when the format attribute is to be set on
+ a function pointer. Format attributes were allowed on function
+ pointers as of gcc 3.1. */
+#ifndef ATTRIBUTE_FPTR_PRINTF
+# if (GCC_VERSION >= 3001)
+# define ATTRIBUTE_FPTR_PRINTF(m, n) ATTRIBUTE_PRINTF(m, n)
+# else
+# define ATTRIBUTE_FPTR_PRINTF(m, n)
+# endif /* GNUC >= 3.1 */
+# define ATTRIBUTE_FPTR_PRINTF_1 ATTRIBUTE_FPTR_PRINTF(1, 2)
+# define ATTRIBUTE_FPTR_PRINTF_2 ATTRIBUTE_FPTR_PRINTF(2, 3)
+# define ATTRIBUTE_FPTR_PRINTF_3 ATTRIBUTE_FPTR_PRINTF(3, 4)
+# define ATTRIBUTE_FPTR_PRINTF_4 ATTRIBUTE_FPTR_PRINTF(4, 5)
+# define ATTRIBUTE_FPTR_PRINTF_5 ATTRIBUTE_FPTR_PRINTF(5, 6)
+#endif /* ATTRIBUTE_FPTR_PRINTF */
+
+/* Use ATTRIBUTE_NULL_PRINTF when the format specifier may be NULL. A
+ NULL format specifier was allowed as of gcc 3.3. */
+#ifndef ATTRIBUTE_NULL_PRINTF
+# if (GCC_VERSION >= 3003)
+# define ATTRIBUTE_NULL_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n)))
+# else
+# define ATTRIBUTE_NULL_PRINTF(m, n)
+# endif /* GNUC >= 3.3 */
+# define ATTRIBUTE_NULL_PRINTF_1 ATTRIBUTE_NULL_PRINTF(1, 2)
+# define ATTRIBUTE_NULL_PRINTF_2 ATTRIBUTE_NULL_PRINTF(2, 3)
+# define ATTRIBUTE_NULL_PRINTF_3 ATTRIBUTE_NULL_PRINTF(3, 4)
+# define ATTRIBUTE_NULL_PRINTF_4 ATTRIBUTE_NULL_PRINTF(4, 5)
+# define ATTRIBUTE_NULL_PRINTF_5 ATTRIBUTE_NULL_PRINTF(5, 6)
+#endif /* ATTRIBUTE_NULL_PRINTF */
+
+/* Attribute `sentinel' was valid as of gcc 3.5. */
+#ifndef ATTRIBUTE_SENTINEL
+# if (GCC_VERSION >= 3005)
+# define ATTRIBUTE_SENTINEL __attribute__ ((__sentinel__))
+# else
+# define ATTRIBUTE_SENTINEL
+# endif /* GNUC >= 3.5 */
+#endif /* ATTRIBUTE_SENTINEL */
+
+
+#ifndef ATTRIBUTE_ALIGNED_ALIGNOF
+# if (GCC_VERSION >= 3000)
+# define ATTRIBUTE_ALIGNED_ALIGNOF(m) __attribute__ ((__aligned__ (__alignof__ (m))))
+# else
+# define ATTRIBUTE_ALIGNED_ALIGNOF(m)
+# endif /* GNUC >= 3.0 */
+#endif /* ATTRIBUTE_ALIGNED_ALIGNOF */
+
/* We use __extension__ in some places to suppress -pedantic warnings
about GCC extensions. This feature didn't work properly before
gcc 2.8. */
#define __extension__
#endif
-/* Bootstrap support: Adjust certain macros defined by Autoconf,
- which are only valid for the stage1 compiler. If we detect
- a modern version of GCC, we are probably in stage2 or beyond,
- so unconditionally reset the values. Note that const, inline,
- etc. have been dealt with above. */
-#if (GCC_VERSION >= 2007)
-# ifndef HAVE_LONG_DOUBLE
-# define HAVE_LONG_DOUBLE 1
-# endif
-#endif /* GCC >= 2.7 */
-
#endif /* ansidecl.h */