Changeset 41307 in vbox for trunk/include

Timestamp:

May 15, 2012 12:09:10 PM (13 years ago)

Author:

vboxsync

Message:

Runtime/common/log/log: make g_Logger weak which is the better solution

File:

• trunk/include/iprt/cdefs.h (modified) (1 diff)

trunk/include/iprt/cdefs.h

@@ -736 +736 @@
 #else
 # define DECLNORETURN(type)     type
+#endif
+
+/** @def DECLWEAK
+ * How to declare a variable which is not necessarily resolved at
+ * runtime.
+ * @note: This macro can be combined with other macros, for example
+ * @code
+ *   EMR3DECL(DECLWEAK(int)) foo;
+ * @endcode
+ */
+#if defined(__GNUC__)
+# define DECLWEAK(type)         type __attribute__((weak))
+#else
+# define DECLWEAK(type)         type
 #endif