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Fix MBEDTLS_MAYBE_UNUSED for IAR

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-10-24 14:18:38 +01:00
parent a675ef8537
commit f842868dd9
1 changed files with 4 additions and 1 deletions
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5
library/common.h
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@ -344,8 +344,11 @@ static inline void mbedtls_xor_no_simd(unsigned char *r,
# define MBEDTLS_MAYBE_UNUSED __attribute__((unused))
#endif
#if !defined(MBEDTLS_MAYBE_UNUSED) && defined(__IAR_SYSTEMS_ICC__) && defined(__VER__)
/* IAR does support __attribute__((unused)), but only if the -e flag (extended language support)
* is given; the pragma always works.
* Unfortunately the pragma affects the rest of the file where it is used, but this is harmless. */
# if (__VER__ >= 8010000) // IAR 8.1 or later
# define MBEDTLS_MAYBE_UNUSED __attribute__((unused))
# define MBEDTLS_MAYBE_UNUSED _Pragma("diag_suppress=Pe177")
# endif
#endif
#if !defined(MBEDTLS_MAYBE_UNUSED) && defined(_MSC_VER)