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-rw-r--r--cpukit/include/rtems/score/basedefs.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/cpukit/include/rtems/score/basedefs.h b/cpukit/include/rtems/score/basedefs.h
index e301292375..a934507d80 100644
--- a/cpukit/include/rtems/score/basedefs.h
+++ b/cpukit/include/rtems/score/basedefs.h
@@ -198,6 +198,18 @@
#endif
/**
+ * @brief Instructs the compiler to define a weak function.
+ *
+ * Use this attribute for function definitions. Do not use it for function
+ * declarations.
+ */
+#if defined(__GNUC__)
+ #define RTEMS_WEAK __attribute__((__weak__))
+#else
+ #define RTEMS_WEAK
+#endif
+
+/**
* @brief Instructs the compiler to generate a weak alias to the specified
* target function.
*/