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-rw-r--r--include/ChangeLog4
-rw-r--r--include/ansidecl.h9
2 files changed, 13 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index e6af921..c3a9d8a 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2004-07-21 Paolo Bonzini <bonzini@gnu.org>
+
+ * ansidecl.h (ATTRIBUTE_PURE): New.
+
2004-07-13 Bernardo Innocenti <bernie@develer.com>
* libiberty.h (XNEW, XCNEW, XNEWVEC, XCNEWVEC, XOBNEW): Move here from
diff --git a/include/ansidecl.h b/include/ansidecl.h
index d2c8776..4b3eae9 100644
--- a/include/ansidecl.h
+++ b/include/ansidecl.h
@@ -277,6 +277,15 @@ So instead we use the macro below and test it against specific values. */
# 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'