Add missing macro existence check in byte swapping code in bignum.c

This commit is contained in:
Hanno Becker 2019-01-02 11:24:30 +00:00
parent f872007782
commit 5d91c0bbee

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@ -741,7 +741,7 @@ static mbedtls_mpi_uint mpi_uint_bigendian_to_host( mbedtls_mpi_uint x )
#if ( __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ )
/* For GCC and Clang, have builtins for byte swapping. */
#if( defined(__GNUC__) && __GNUC_PREREQ(4,3) )
#if( defined(__GNUC__) && defined(__GNUC_PREREQ) && __GNUC_PREREQ(4,3) )
#define have_bswap
#elif defined(__clang__) && \
defined(__has_builtin) && \