src/src/sha_ver.h

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) Jeremy Harris 2016 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* SHA routine selection */
   9
  10 #include "exim.h"
  11
  12 #ifdef SUPPORT_TLS
  13
  14 # define EXIM_HAVE_SHA2
  15
  16 # ifdef USE_GNUTLS
  17 #  include <gnutls/gnutls.h>
  18
  19 #  if GNUTLS_VERSION_NUMBER >= 0x020a00
  20 #   define SHA_GNUTLS
  21 #   if GNUTLS_VERSION_NUMBER >= 0x030500
  22 #    define EXIM_HAVE_SHA3
  23 #   endif
  24 #  else
  25 #   define SHA_GCRYPT
  26 #  endif
  27
  28 # else
  29 #  define SHA_OPENSSL
  30 # endif
  31
  32 #else
  33 # define SHA_NATIVE
  34 #endif
  35