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/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
/* Copyright (c) Jeremy Harris 2018 */
/* See the file NOTICE for conditions of use and distribution. */
/* SHA routine selection */
#include "exim.h"
/* Please be aware that pulling in extra headers which are not in the system
* includes may require careful juggling of CFLAGS in
* scripts/Configure-Makefile -- that logic should be kept in sync with this.
* In particular, building with just something like USE_OPENSSL_PC=openssl
* and not massaging CFLAGS in Local/Makefile is fully supported.
*/
#ifdef SUPPORT_TLS
# define EXIM_HAVE_SHA2
# ifdef USE_GNUTLS
# include <gnutls/gnutls.h>
# if GNUTLS_VERSION_NUMBER >= 0x020a00
# define SHA_GNUTLS
# if GNUTLS_VERSION_NUMBER >= 0x030500
# define EXIM_HAVE_SHA3 /*MMMM*/
# endif
# else
# define SHA_GCRYPT
# endif
# else
# define SHA_OPENSSL
# include <openssl/ssl.h>
# if (OPENSSL_VERSION_NUMBER >= 0x10101000L) && !defined(LIBRESSL_VERSION_NUMBER)
# define EXIM_HAVE_SHA3
# endif
# endif
#else
# define SHA_NATIVE
#endif
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