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basedefs.h: Add RTEMS_COMPILER_UNUSED_ATTRIBUTE.

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This commit is contained in:
Joel Sherrill
2013-09-22 09:40:44 -05:00
parent c8707a316b
commit ecd82b6def
1 changed files with 11 additions and 0 deletions
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11
cpukit/score/include/rtems/score/basedefs.h
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@@ -184,6 +184,17 @@
#define RTEMS_COMPILER_DEPRECATED_ATTRIBUTE
#endif
/**
* Instructs the compiler that a specific variable is deliberately unused.
* This can occur when reading volatile device memory or skipping arguments
* in a variable argument method.
*/
#if defined(__GNUC__)
#define RTEMS_COMPILER_UNUSED_ATTRIBUTE __attribute__((unused))
#else
#define RTEMS_COMPILER_UNUSED_ATTRIBUTE
#endif
#if __cplusplus >= 201103L
#define RTEMS_STATIC_ASSERT(cond, msg) \
static_assert(cond, # msg)