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deprecation macro (closes #48)

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chrysn
2012-10-22 15:11:31 +02:00
parent 4e4496f70d
commit a67a070438
2 changed files with 19 additions and 24 deletions
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13
include/libopencm3/cm3/common.h
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@@ -42,6 +42,19 @@ typedef uint64_t u64;
# define END_DECLS
#endif
/* Full-featured deprecation attribute with fallback for older compilers. */
#ifdef __GNUC__
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR_ > 4)
# define LIBOPENCM3_DEPRECATED(x) __attribute__ ((deprecated (x)))
# else
# define LIBOPENCM3_DEPRECATED(x) __attribute__ ((deprecated))
# endif
#else
# define LIBOPENCM3_DEPRECATED(x)
#endif
/* Generic memory-mapped I/O accessor functions */
#define MMIO8(addr) (*(volatile u8 *)(addr))
#define MMIO16(addr) (*(volatile u16 *)(addr))