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  1. /**
  2.  * \file check_config.h
  3.  *
  4.  * \brief Consistency checks for configuration options
  5.  */
  6. /*
  7.  *  Copyright (C) 2006-2018, ARM Limited, All Rights Reserved
  8.  *  SPDX-License-Identifier: GPL-2.0
  9.  *
  10.  *  This program is free software; you can redistribute it and/or modify
  11.  *  it under the terms of the GNU General Public License as published by
  12.  *  the Free Software Foundation; either version 2 of the License, or
  13.  *  (at your option) any later version.
  14.  *
  15.  *  This program is distributed in the hope that it will be useful,
  16.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18.  *  GNU General Public License for more details.
  19.  *
  20.  *  You should have received a copy of the GNU General Public License along
  21.  *  with this program; if not, write to the Free Software Foundation, Inc.,
  22.  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  23.  *
  24.  *  This file is part of mbed TLS (https://tls.mbed.org)
  25.  */
  26.  
  27. /*
  28.  * It is recommended to include this file from your config.h
  29.  * in order to catch dependency issues early.
  30.  */
  31.  
  32. #ifndef MBEDTLS_CHECK_CONFIG_H
  33. #define MBEDTLS_CHECK_CONFIG_H
  34.  
  35. /*
  36.  * We assume CHAR_BIT is 8 in many places. In practice, this is true on our
  37.  * target platforms, so not an issue, but let's just be extra sure.
  38.  */
  39. #include <limits.h>
  40. #if CHAR_BIT != 8
  41. #error "mbed TLS requires a platform with 8-bit chars"
  42. #endif
  43.  
  44. #if defined(_WIN32)
  45. #if !defined(MBEDTLS_PLATFORM_C)
  46. #error "MBEDTLS_PLATFORM_C is required on Windows"
  47. #endif
  48.  
  49. /* Fix the config here. Not convenient to put an #ifdef _WIN32 in config.h as
  50.  * it would confuse config.pl. */
  51. #if !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && \
  52.     !defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO)
  53. #define MBEDTLS_PLATFORM_SNPRINTF_ALT
  54. #endif
  55. #endif /* _WIN32 */
  56.  
  57. #if defined(TARGET_LIKE_MBED) && \
  58.     ( defined(MBEDTLS_NET_C) || defined(MBEDTLS_TIMING_C) )
  59. #error "The NET and TIMING modules are not available for mbed OS - please use the network and timing functions provided by mbed OS"
  60. #endif
  61.  
  62. #if defined(MBEDTLS_DEPRECATED_WARNING) && \
  63.     !defined(__GNUC__) && !defined(__clang__)
  64. #error "MBEDTLS_DEPRECATED_WARNING only works with GCC and Clang"
  65. #endif
  66.  
  67. #if defined(MBEDTLS_HAVE_TIME_DATE) && !defined(MBEDTLS_HAVE_TIME)
  68. #error "MBEDTLS_HAVE_TIME_DATE without MBEDTLS_HAVE_TIME does not make sense"
  69. #endif
  70.  
  71. #if defined(MBEDTLS_AESNI_C) && !defined(MBEDTLS_HAVE_ASM)
  72. #error "MBEDTLS_AESNI_C defined, but not all prerequisites"
  73. #endif
  74.  
  75. #if defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_AES_C)
  76. #error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
  77. #endif
  78.  
  79. #if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
  80. #error "MBEDTLS_DHM_C defined, but not all prerequisites"
  81. #endif
  82.  
  83. #if defined(MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT) && !defined(MBEDTLS_SSL_TRUNCATED_HMAC)
  84. #error "MBEDTLS_SSL_TRUNCATED_HMAC_COMPAT defined, but not all prerequisites"
  85. #endif
  86.  
  87. #if defined(MBEDTLS_CMAC_C) && \
  88.     !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_DES_C)
  89. #error "MBEDTLS_CMAC_C defined, but not all prerequisites"
  90. #endif
  91.  
  92. #if defined(MBEDTLS_NIST_KW_C) && \
  93.     ( !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_CIPHER_C) )
  94. #error "MBEDTLS_NIST_KW_C defined, but not all prerequisites"
  95. #endif
  96.  
  97. #if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
  98. #error "MBEDTLS_ECDH_C defined, but not all prerequisites"
  99. #endif
  100.  
  101. #if defined(MBEDTLS_ECDSA_C) &&            \
  102.     ( !defined(MBEDTLS_ECP_C) ||           \
  103.       !defined(MBEDTLS_ASN1_PARSE_C) ||    \
  104.       !defined(MBEDTLS_ASN1_WRITE_C) )
  105. #error "MBEDTLS_ECDSA_C defined, but not all prerequisites"
  106. #endif
  107.  
  108. #if defined(MBEDTLS_ECJPAKE_C) &&           \
  109.     ( !defined(MBEDTLS_ECP_C) || !defined(MBEDTLS_MD_C) )
  110. #error "MBEDTLS_ECJPAKE_C defined, but not all prerequisites"
  111. #endif
  112.  
  113. #if defined(MBEDTLS_ECP_RESTARTABLE)           && \
  114.     ( defined(MBEDTLS_ECDH_COMPUTE_SHARED_ALT) || \
  115.       defined(MBEDTLS_ECDH_GEN_PUBLIC_ALT)     || \
  116.       defined(MBEDTLS_ECDSA_SIGN_ALT)          || \
  117.       defined(MBEDTLS_ECDSA_VERIFY_ALT)        || \
  118.       defined(MBEDTLS_ECDSA_GENKEY_ALT)        || \
  119.       defined(MBEDTLS_ECP_INTERNAL_ALT)        || \
  120.       defined(MBEDTLS_ECP_ALT) )
  121. #error "MBEDTLS_ECP_RESTARTABLE defined, but it cannot coexist with an alternative ECP implementation"
  122. #endif
  123.  
  124. #if defined(MBEDTLS_ECDSA_DETERMINISTIC) && !defined(MBEDTLS_HMAC_DRBG_C)
  125. #error "MBEDTLS_ECDSA_DETERMINISTIC defined, but not all prerequisites"
  126. #endif
  127.  
  128. #if defined(MBEDTLS_ECP_C) && ( !defined(MBEDTLS_BIGNUM_C) || (    \
  129.     !defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED) &&                  \
  130.     !defined(MBEDTLS_ECP_DP_SECP224R1_ENABLED) &&                  \
  131.     !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) &&                  \
  132.     !defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED) &&                  \
  133.     !defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED) &&                  \
  134.     !defined(MBEDTLS_ECP_DP_BP256R1_ENABLED)   &&                  \
  135.     !defined(MBEDTLS_ECP_DP_BP384R1_ENABLED)   &&                  \
  136.     !defined(MBEDTLS_ECP_DP_BP512R1_ENABLED)   &&                  \
  137.     !defined(MBEDTLS_ECP_DP_SECP192K1_ENABLED) &&                  \
  138.     !defined(MBEDTLS_ECP_DP_SECP224K1_ENABLED) &&                  \
  139.     !defined(MBEDTLS_ECP_DP_SECP256K1_ENABLED) &&                  \
  140.     !defined(MBEDTLS_ECP_DP_CURVE25519_ENABLED) &&                 \
  141.     !defined(MBEDTLS_ECP_DP_CURVE448_ENABLED) ) )
  142. #error "MBEDTLS_ECP_C defined, but not all prerequisites"
  143. #endif
  144.  
  145. #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_ASN1_PARSE_C)
  146. #error "MBEDTLS_PK_PARSE_C defined, but not all prerequesites"
  147. #endif
  148.  
  149. #if defined(MBEDTLS_ENTROPY_C) && (!defined(MBEDTLS_SHA512_C) &&      \
  150.                                     !defined(MBEDTLS_SHA256_C))
  151. #error "MBEDTLS_ENTROPY_C defined, but not all prerequisites"
  152. #endif
  153. #if defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_SHA512_C) &&         \
  154.     defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 64)
  155. #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
  156. #endif
  157. #if defined(MBEDTLS_ENTROPY_C) &&                                            \
  158.     ( !defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_ENTROPY_FORCE_SHA256) ) \
  159.     && defined(MBEDTLS_CTR_DRBG_ENTROPY_LEN) && (MBEDTLS_CTR_DRBG_ENTROPY_LEN > 32)
  160. #error "MBEDTLS_CTR_DRBG_ENTROPY_LEN value too high"
  161. #endif
  162. #if defined(MBEDTLS_ENTROPY_C) && \
  163.     defined(MBEDTLS_ENTROPY_FORCE_SHA256) && !defined(MBEDTLS_SHA256_C)
  164. #error "MBEDTLS_ENTROPY_FORCE_SHA256 defined, but not all prerequisites"
  165. #endif
  166.  
  167. #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
  168.     ( !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) )
  169. #error "MBEDTLS_TEST_NULL_ENTROPY defined, but not all prerequisites"
  170. #endif
  171. #if defined(MBEDTLS_TEST_NULL_ENTROPY) && \
  172.      ( defined(MBEDTLS_ENTROPY_NV_SEED) || defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \
  173.     defined(MBEDTLS_HAVEGE_C) )
  174. #error "MBEDTLS_TEST_NULL_ENTROPY defined, but entropy sources too"
  175. #endif
  176.  
  177. #if defined(MBEDTLS_GCM_C) && (                                        \
  178.         !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) )
  179. #error "MBEDTLS_GCM_C defined, but not all prerequisites"
  180. #endif
  181.  
  182. #if defined(MBEDTLS_ECP_RANDOMIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  183. #error "MBEDTLS_ECP_RANDOMIZE_JAC_ALT defined, but not all prerequisites"
  184. #endif
  185.  
  186. #if defined(MBEDTLS_ECP_ADD_MIXED_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  187. #error "MBEDTLS_ECP_ADD_MIXED_ALT defined, but not all prerequisites"
  188. #endif
  189.  
  190. #if defined(MBEDTLS_ECP_DOUBLE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  191. #error "MBEDTLS_ECP_DOUBLE_JAC_ALT defined, but not all prerequisites"
  192. #endif
  193.  
  194. #if defined(MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  195. #error "MBEDTLS_ECP_NORMALIZE_JAC_MANY_ALT defined, but not all prerequisites"
  196. #endif
  197.  
  198. #if defined(MBEDTLS_ECP_NORMALIZE_JAC_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  199. #error "MBEDTLS_ECP_NORMALIZE_JAC_ALT defined, but not all prerequisites"
  200. #endif
  201.  
  202. #if defined(MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  203. #error "MBEDTLS_ECP_DOUBLE_ADD_MXZ_ALT defined, but not all prerequisites"
  204. #endif
  205.  
  206. #if defined(MBEDTLS_ECP_RANDOMIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  207. #error "MBEDTLS_ECP_RANDOMIZE_MXZ_ALT defined, but not all prerequisites"
  208. #endif
  209.  
  210. #if defined(MBEDTLS_ECP_NORMALIZE_MXZ_ALT) && !defined(MBEDTLS_ECP_INTERNAL_ALT)
  211. #error "MBEDTLS_ECP_NORMALIZE_MXZ_ALT defined, but not all prerequisites"
  212. #endif
  213.  
  214. #if defined(MBEDTLS_HAVEGE_C) && !defined(MBEDTLS_TIMING_C)
  215. #error "MBEDTLS_HAVEGE_C defined, but not all prerequisites"
  216. #endif
  217.  
  218. #if defined(MBEDTLS_HKDF_C) && !defined(MBEDTLS_MD_C)
  219. #error "MBEDTLS_HKDF_C defined, but not all prerequisites"
  220. #endif
  221.  
  222. #if defined(MBEDTLS_HMAC_DRBG_C) && !defined(MBEDTLS_MD_C)
  223. #error "MBEDTLS_HMAC_DRBG_C defined, but not all prerequisites"
  224. #endif
  225.  
  226. #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) &&                 \
  227.     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
  228. #error "MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED defined, but not all prerequisites"
  229. #endif
  230.  
  231. #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) &&                 \
  232.     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) )
  233. #error "MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED defined, but not all prerequisites"
  234. #endif
  235.  
  236. #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) && !defined(MBEDTLS_DHM_C)
  237. #error "MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED defined, but not all prerequisites"
  238. #endif
  239.  
  240. #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) &&                     \
  241.     !defined(MBEDTLS_ECDH_C)
  242. #error "MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED defined, but not all prerequisites"
  243. #endif
  244.  
  245. #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) &&                   \
  246.     ( !defined(MBEDTLS_DHM_C) || !defined(MBEDTLS_RSA_C) ||           \
  247.       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
  248. #error "MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED defined, but not all prerequisites"
  249. #endif
  250.  
  251. #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) &&                 \
  252.     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_RSA_C) ||          \
  253.       !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_PKCS1_V15) )
  254. #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
  255. #endif
  256.  
  257. #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
  258.     ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
  259.       !defined(MBEDTLS_X509_CRT_PARSE_C) )
  260. #error "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED defined, but not all prerequisites"
  261. #endif
  262.  
  263. #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) &&                   \
  264.     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
  265.       !defined(MBEDTLS_PKCS1_V15) )
  266. #error "MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED defined, but not all prerequisites"
  267. #endif
  268.  
  269. #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) &&                       \
  270.     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
  271.       !defined(MBEDTLS_PKCS1_V15) )
  272. #error "MBEDTLS_KEY_EXCHANGE_RSA_ENABLED defined, but not all prerequisites"
  273. #endif
  274.  
  275. #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) &&                    \
  276.     ( !defined(MBEDTLS_ECJPAKE_C) || !defined(MBEDTLS_SHA256_C) ||      \
  277.       !defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED) )
  278. #error "MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED defined, but not all prerequisites"
  279. #endif
  280.  
  281. #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) &&                          \
  282.     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
  283. #error "MBEDTLS_MEMORY_BUFFER_ALLOC_C defined, but not all prerequisites"
  284. #endif
  285.  
  286. #if defined(MBEDTLS_MEMORY_BACKTRACE) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
  287. #error "MBEDTLS_MEMORY_BACKTRACE defined, but not all prerequesites"
  288. #endif
  289.  
  290. #if defined(MBEDTLS_MEMORY_DEBUG) && !defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
  291. #error "MBEDTLS_MEMORY_DEBUG defined, but not all prerequesites"
  292. #endif
  293.  
  294. #if defined(MBEDTLS_PADLOCK_C) && !defined(MBEDTLS_HAVE_ASM)
  295. #error "MBEDTLS_PADLOCK_C defined, but not all prerequisites"
  296. #endif
  297.  
  298. #if defined(MBEDTLS_PEM_PARSE_C) && !defined(MBEDTLS_BASE64_C)
  299. #error "MBEDTLS_PEM_PARSE_C defined, but not all prerequisites"
  300. #endif
  301.  
  302. #if defined(MBEDTLS_PEM_WRITE_C) && !defined(MBEDTLS_BASE64_C)
  303. #error "MBEDTLS_PEM_WRITE_C defined, but not all prerequisites"
  304. #endif
  305.  
  306. #if defined(MBEDTLS_PK_C) && \
  307.     ( !defined(MBEDTLS_RSA_C) && !defined(MBEDTLS_ECP_C) )
  308. #error "MBEDTLS_PK_C defined, but not all prerequisites"
  309. #endif
  310.  
  311. #if defined(MBEDTLS_PK_PARSE_C) && !defined(MBEDTLS_PK_C)
  312. #error "MBEDTLS_PK_PARSE_C defined, but not all prerequisites"
  313. #endif
  314.  
  315. #if defined(MBEDTLS_PK_WRITE_C) && !defined(MBEDTLS_PK_C)
  316. #error "MBEDTLS_PK_WRITE_C defined, but not all prerequisites"
  317. #endif
  318.  
  319. #if defined(MBEDTLS_PKCS11_C) && !defined(MBEDTLS_PK_C)
  320. #error "MBEDTLS_PKCS11_C defined, but not all prerequisites"
  321. #endif
  322.  
  323. #if defined(MBEDTLS_PLATFORM_EXIT_ALT) && !defined(MBEDTLS_PLATFORM_C)
  324. #error "MBEDTLS_PLATFORM_EXIT_ALT defined, but not all prerequisites"
  325. #endif
  326.  
  327. #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  328. #error "MBEDTLS_PLATFORM_EXIT_MACRO defined, but not all prerequisites"
  329. #endif
  330.  
  331. #if defined(MBEDTLS_PLATFORM_EXIT_MACRO) &&\
  332.     ( defined(MBEDTLS_PLATFORM_STD_EXIT) ||\
  333.         defined(MBEDTLS_PLATFORM_EXIT_ALT) )
  334. #error "MBEDTLS_PLATFORM_EXIT_MACRO and MBEDTLS_PLATFORM_STD_EXIT/MBEDTLS_PLATFORM_EXIT_ALT cannot be defined simultaneously"
  335. #endif
  336.  
  337. #if defined(MBEDTLS_PLATFORM_TIME_ALT) &&\
  338.     ( !defined(MBEDTLS_PLATFORM_C) ||\
  339.         !defined(MBEDTLS_HAVE_TIME) )
  340. #error "MBEDTLS_PLATFORM_TIME_ALT defined, but not all prerequisites"
  341. #endif
  342.  
  343. #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
  344.     ( !defined(MBEDTLS_PLATFORM_C) ||\
  345.         !defined(MBEDTLS_HAVE_TIME) )
  346. #error "MBEDTLS_PLATFORM_TIME_MACRO defined, but not all prerequisites"
  347. #endif
  348.  
  349. #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
  350.     ( !defined(MBEDTLS_PLATFORM_C) ||\
  351.         !defined(MBEDTLS_HAVE_TIME) )
  352. #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO defined, but not all prerequisites"
  353. #endif
  354.  
  355. #if defined(MBEDTLS_PLATFORM_TIME_MACRO) &&\
  356.     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
  357.         defined(MBEDTLS_PLATFORM_TIME_ALT) )
  358. #error "MBEDTLS_PLATFORM_TIME_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
  359. #endif
  360.  
  361. #if defined(MBEDTLS_PLATFORM_TIME_TYPE_MACRO) &&\
  362.     ( defined(MBEDTLS_PLATFORM_STD_TIME) ||\
  363.         defined(MBEDTLS_PLATFORM_TIME_ALT) )
  364. #error "MBEDTLS_PLATFORM_TIME_TYPE_MACRO and MBEDTLS_PLATFORM_STD_TIME/MBEDTLS_PLATFORM_TIME_ALT cannot be defined simultaneously"
  365. #endif
  366.  
  367. #if defined(MBEDTLS_PLATFORM_FPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
  368. #error "MBEDTLS_PLATFORM_FPRINTF_ALT defined, but not all prerequisites"
  369. #endif
  370.  
  371. #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  372. #error "MBEDTLS_PLATFORM_FPRINTF_MACRO defined, but not all prerequisites"
  373. #endif
  374.  
  375. #if defined(MBEDTLS_PLATFORM_FPRINTF_MACRO) &&\
  376.     ( defined(MBEDTLS_PLATFORM_STD_FPRINTF) ||\
  377.         defined(MBEDTLS_PLATFORM_FPRINTF_ALT) )
  378. #error "MBEDTLS_PLATFORM_FPRINTF_MACRO and MBEDTLS_PLATFORM_STD_FPRINTF/MBEDTLS_PLATFORM_FPRINTF_ALT cannot be defined simultaneously"
  379. #endif
  380.  
  381. #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
  382.     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
  383. #error "MBEDTLS_PLATFORM_FREE_MACRO defined, but not all prerequisites"
  384. #endif
  385.  
  386. #if defined(MBEDTLS_PLATFORM_FREE_MACRO) &&\
  387.     defined(MBEDTLS_PLATFORM_STD_FREE)
  388. #error "MBEDTLS_PLATFORM_FREE_MACRO and MBEDTLS_PLATFORM_STD_FREE cannot be defined simultaneously"
  389. #endif
  390.  
  391. #if defined(MBEDTLS_PLATFORM_FREE_MACRO) && !defined(MBEDTLS_PLATFORM_CALLOC_MACRO)
  392. #error "MBEDTLS_PLATFORM_CALLOC_MACRO must be defined if MBEDTLS_PLATFORM_FREE_MACRO is"
  393. #endif
  394.  
  395. #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
  396.     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_PLATFORM_MEMORY) )
  397. #error "MBEDTLS_PLATFORM_CALLOC_MACRO defined, but not all prerequisites"
  398. #endif
  399.  
  400. #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) &&\
  401.     defined(MBEDTLS_PLATFORM_STD_CALLOC)
  402. #error "MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_STD_CALLOC cannot be defined simultaneously"
  403. #endif
  404.  
  405. #if defined(MBEDTLS_PLATFORM_CALLOC_MACRO) && !defined(MBEDTLS_PLATFORM_FREE_MACRO)
  406. #error "MBEDTLS_PLATFORM_FREE_MACRO must be defined if MBEDTLS_PLATFORM_CALLOC_MACRO is"
  407. #endif
  408.  
  409. #if defined(MBEDTLS_PLATFORM_MEMORY) && !defined(MBEDTLS_PLATFORM_C)
  410. #error "MBEDTLS_PLATFORM_MEMORY defined, but not all prerequisites"
  411. #endif
  412.  
  413. #if defined(MBEDTLS_PLATFORM_PRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
  414. #error "MBEDTLS_PLATFORM_PRINTF_ALT defined, but not all prerequisites"
  415. #endif
  416.  
  417. #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  418. #error "MBEDTLS_PLATFORM_PRINTF_MACRO defined, but not all prerequisites"
  419. #endif
  420.  
  421. #if defined(MBEDTLS_PLATFORM_PRINTF_MACRO) &&\
  422.     ( defined(MBEDTLS_PLATFORM_STD_PRINTF) ||\
  423.         defined(MBEDTLS_PLATFORM_PRINTF_ALT) )
  424. #error "MBEDTLS_PLATFORM_PRINTF_MACRO and MBEDTLS_PLATFORM_STD_PRINTF/MBEDTLS_PLATFORM_PRINTF_ALT cannot be defined simultaneously"
  425. #endif
  426.  
  427. #if defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) && !defined(MBEDTLS_PLATFORM_C)
  428. #error "MBEDTLS_PLATFORM_SNPRINTF_ALT defined, but not all prerequisites"
  429. #endif
  430.  
  431. #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) && !defined(MBEDTLS_PLATFORM_C)
  432. #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO defined, but not all prerequisites"
  433. #endif
  434.  
  435. #if defined(MBEDTLS_PLATFORM_SNPRINTF_MACRO) &&\
  436.     ( defined(MBEDTLS_PLATFORM_STD_SNPRINTF) ||\
  437.         defined(MBEDTLS_PLATFORM_SNPRINTF_ALT) )
  438. #error "MBEDTLS_PLATFORM_SNPRINTF_MACRO and MBEDTLS_PLATFORM_STD_SNPRINTF/MBEDTLS_PLATFORM_SNPRINTF_ALT cannot be defined simultaneously"
  439. #endif
  440.  
  441. #if defined(MBEDTLS_PLATFORM_STD_MEM_HDR) &&\
  442.     !defined(MBEDTLS_PLATFORM_NO_STD_FUNCTIONS)
  443. #error "MBEDTLS_PLATFORM_STD_MEM_HDR defined, but not all prerequisites"
  444. #endif
  445.  
  446. #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
  447. #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
  448. #endif
  449.  
  450. #if defined(MBEDTLS_PLATFORM_STD_CALLOC) && !defined(MBEDTLS_PLATFORM_MEMORY)
  451. #error "MBEDTLS_PLATFORM_STD_CALLOC defined, but not all prerequisites"
  452. #endif
  453.  
  454. #if defined(MBEDTLS_PLATFORM_STD_FREE) && !defined(MBEDTLS_PLATFORM_MEMORY)
  455. #error "MBEDTLS_PLATFORM_STD_FREE defined, but not all prerequisites"
  456. #endif
  457.  
  458. #if defined(MBEDTLS_PLATFORM_STD_EXIT) &&\
  459.     !defined(MBEDTLS_PLATFORM_EXIT_ALT)
  460. #error "MBEDTLS_PLATFORM_STD_EXIT defined, but not all prerequisites"
  461. #endif
  462.  
  463. #if defined(MBEDTLS_PLATFORM_STD_TIME) &&\
  464.     ( !defined(MBEDTLS_PLATFORM_TIME_ALT) ||\
  465.         !defined(MBEDTLS_HAVE_TIME) )
  466. #error "MBEDTLS_PLATFORM_STD_TIME defined, but not all prerequisites"
  467. #endif
  468.  
  469. #if defined(MBEDTLS_PLATFORM_STD_FPRINTF) &&\
  470.     !defined(MBEDTLS_PLATFORM_FPRINTF_ALT)
  471. #error "MBEDTLS_PLATFORM_STD_FPRINTF defined, but not all prerequisites"
  472. #endif
  473.  
  474. #if defined(MBEDTLS_PLATFORM_STD_PRINTF) &&\
  475.     !defined(MBEDTLS_PLATFORM_PRINTF_ALT)
  476. #error "MBEDTLS_PLATFORM_STD_PRINTF defined, but not all prerequisites"
  477. #endif
  478.  
  479. #if defined(MBEDTLS_PLATFORM_STD_SNPRINTF) &&\
  480.     !defined(MBEDTLS_PLATFORM_SNPRINTF_ALT)
  481. #error "MBEDTLS_PLATFORM_STD_SNPRINTF defined, but not all prerequisites"
  482. #endif
  483.  
  484. #if defined(MBEDTLS_ENTROPY_NV_SEED) &&\
  485.     ( !defined(MBEDTLS_PLATFORM_C) || !defined(MBEDTLS_ENTROPY_C) )
  486. #error "MBEDTLS_ENTROPY_NV_SEED defined, but not all prerequisites"
  487. #endif
  488.  
  489. #if defined(MBEDTLS_PLATFORM_NV_SEED_ALT) &&\
  490.     !defined(MBEDTLS_ENTROPY_NV_SEED)
  491. #error "MBEDTLS_PLATFORM_NV_SEED_ALT defined, but not all prerequisites"
  492. #endif
  493.  
  494. #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) &&\
  495.     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
  496. #error "MBEDTLS_PLATFORM_STD_NV_SEED_READ defined, but not all prerequisites"
  497. #endif
  498.  
  499. #if defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) &&\
  500.     !defined(MBEDTLS_PLATFORM_NV_SEED_ALT)
  501. #error "MBEDTLS_PLATFORM_STD_NV_SEED_WRITE defined, but not all prerequisites"
  502. #endif
  503.  
  504. #if defined(MBEDTLS_PLATFORM_NV_SEED_READ_MACRO) &&\
  505.     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_READ) ||\
  506.       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
  507. #error "MBEDTLS_PLATFORM_NV_SEED_READ_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_READ cannot be defined simultaneously"
  508. #endif
  509.  
  510. #if defined(MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO) &&\
  511.     ( defined(MBEDTLS_PLATFORM_STD_NV_SEED_WRITE) ||\
  512.       defined(MBEDTLS_PLATFORM_NV_SEED_ALT) )
  513. #error "MBEDTLS_PLATFORM_NV_SEED_WRITE_MACRO and MBEDTLS_PLATFORM_STD_NV_SEED_WRITE cannot be defined simultaneously"
  514. #endif
  515.  
  516. #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
  517.     !defined(MBEDTLS_OID_C) )
  518. #error "MBEDTLS_RSA_C defined, but not all prerequisites"
  519. #endif
  520.  
  521. #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_PKCS1_V21) &&         \
  522.     !defined(MBEDTLS_PKCS1_V15) )
  523. #error "MBEDTLS_RSA_C defined, but none of the PKCS1 versions enabled"
  524. #endif
  525.  
  526. #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) &&                        \
  527.     ( !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_PKCS1_V21) )
  528. #error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
  529. #endif
  530.  
  531. #if defined(MBEDTLS_SSL_PROTO_SSL3) && ( !defined(MBEDTLS_MD5_C) ||     \
  532.     !defined(MBEDTLS_SHA1_C) )
  533. #error "MBEDTLS_SSL_PROTO_SSL3 defined, but not all prerequisites"
  534. #endif
  535.  
  536. #if defined(MBEDTLS_SSL_PROTO_TLS1) && ( !defined(MBEDTLS_MD5_C) ||     \
  537.     !defined(MBEDTLS_SHA1_C) )
  538. #error "MBEDTLS_SSL_PROTO_TLS1 defined, but not all prerequisites"
  539. #endif
  540.  
  541. #if defined(MBEDTLS_SSL_PROTO_TLS1_1) && ( !defined(MBEDTLS_MD5_C) ||     \
  542.     !defined(MBEDTLS_SHA1_C) )
  543. #error "MBEDTLS_SSL_PROTO_TLS1_1 defined, but not all prerequisites"
  544. #endif
  545.  
  546. #if defined(MBEDTLS_SSL_PROTO_TLS1_2) && ( !defined(MBEDTLS_SHA1_C) &&     \
  547.     !defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA512_C) )
  548. #error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
  549. #endif
  550.  
  551. #if (defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) ||  \
  552.      defined(MBEDTLS_SSL_PROTO_TLS1_1) || defined(MBEDTLS_SSL_PROTO_TLS1_2)) && \
  553.     !(defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) ||                          \
  554.       defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                      \
  555.       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                    \
  556.       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                  \
  557.       defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                     \
  558.       defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) ||                   \
  559.       defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) ||                          \
  560.       defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED) ||                      \
  561.       defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED) ||                      \
  562.       defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                    \
  563.       defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) )
  564. #error "One or more versions of the TLS protocol are enabled " \
  565.         "but no key exchange methods defined with MBEDTLS_KEY_EXCHANGE_xxxx"
  566. #endif
  567.  
  568. #if defined(MBEDTLS_SSL_PROTO_DTLS)     && \
  569.     !defined(MBEDTLS_SSL_PROTO_TLS1_1)  && \
  570.     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
  571. #error "MBEDTLS_SSL_PROTO_DTLS defined, but not all prerequisites"
  572. #endif
  573.  
  574. #if defined(MBEDTLS_SSL_CLI_C) && !defined(MBEDTLS_SSL_TLS_C)
  575. #error "MBEDTLS_SSL_CLI_C defined, but not all prerequisites"
  576. #endif
  577.  
  578. #if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) ||     \
  579.     !defined(MBEDTLS_MD_C) )
  580. #error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
  581. #endif
  582.  
  583. #if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
  584. #error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
  585. #endif
  586.  
  587. #if defined(MBEDTLS_SSL_TLS_C) && (!defined(MBEDTLS_SSL_PROTO_SSL3) && \
  588.     !defined(MBEDTLS_SSL_PROTO_TLS1) && !defined(MBEDTLS_SSL_PROTO_TLS1_1) && \
  589.     !defined(MBEDTLS_SSL_PROTO_TLS1_2))
  590. #error "MBEDTLS_SSL_TLS_C defined, but no protocols are active"
  591. #endif
  592.  
  593. #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
  594.     defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
  595. #error "Illegal protocol selection"
  596. #endif
  597.  
  598. #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_TLS1) && \
  599.     defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_SSL_PROTO_TLS1_1))
  600. #error "Illegal protocol selection"
  601. #endif
  602.  
  603. #if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
  604.     defined(MBEDTLS_SSL_PROTO_TLS1_2) && (!defined(MBEDTLS_SSL_PROTO_TLS1) || \
  605.     !defined(MBEDTLS_SSL_PROTO_TLS1_1)))
  606. #error "Illegal protocol selection"
  607. #endif
  608.  
  609. #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) && !defined(MBEDTLS_SSL_PROTO_DTLS)
  610. #error "MBEDTLS_SSL_DTLS_HELLO_VERIFY  defined, but not all prerequisites"
  611. #endif
  612.  
  613. #if defined(MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE) && \
  614.     !defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
  615. #error "MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE  defined, but not all prerequisites"
  616. #endif
  617.  
  618. #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) &&                              \
  619.     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
  620. #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
  621. #endif
  622.  
  623. #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
  624.     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
  625. #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"
  626. #endif
  627.  
  628. #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) &&   \
  629.     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&      \
  630.     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&      \
  631.     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
  632. #error "MBEDTLS_SSL_ENCRYPT_THEN_MAC defined, but not all prerequsites"
  633. #endif
  634.  
  635. #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) && \
  636.     !defined(MBEDTLS_SSL_PROTO_TLS1)   &&          \
  637.     !defined(MBEDTLS_SSL_PROTO_TLS1_1) &&          \
  638.     !defined(MBEDTLS_SSL_PROTO_TLS1_2)
  639. #error "MBEDTLS_SSL_EXTENDED_MASTER_SECRET defined, but not all prerequsites"
  640. #endif
  641.  
  642. #if defined(MBEDTLS_SSL_TICKET_C) && !defined(MBEDTLS_CIPHER_C)
  643. #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
  644. #endif
  645.  
  646. #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) && \
  647.     !defined(MBEDTLS_SSL_PROTO_SSL3) && !defined(MBEDTLS_SSL_PROTO_TLS1)
  648. #error "MBEDTLS_SSL_CBC_RECORD_SPLITTING defined, but not all prerequisites"
  649. #endif
  650.  
  651. #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
  652.         !defined(MBEDTLS_X509_CRT_PARSE_C)
  653. #error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
  654. #endif
  655.  
  656. #if defined(MBEDTLS_THREADING_PTHREAD)
  657. #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
  658. #error "MBEDTLS_THREADING_PTHREAD defined, but not all prerequisites"
  659. #endif
  660. #define MBEDTLS_THREADING_IMPL
  661. #endif
  662.  
  663. #if defined(MBEDTLS_THREADING_ALT)
  664. #if !defined(MBEDTLS_THREADING_C) || defined(MBEDTLS_THREADING_IMPL)
  665. #error "MBEDTLS_THREADING_ALT defined, but not all prerequisites"
  666. #endif
  667. #define MBEDTLS_THREADING_IMPL
  668. #endif
  669.  
  670. #if defined(MBEDTLS_THREADING_C) && !defined(MBEDTLS_THREADING_IMPL)
  671. #error "MBEDTLS_THREADING_C defined, single threading implementation required"
  672. #endif
  673. #undef MBEDTLS_THREADING_IMPL
  674.  
  675. #if defined(MBEDTLS_VERSION_FEATURES) && !defined(MBEDTLS_VERSION_C)
  676. #error "MBEDTLS_VERSION_FEATURES defined, but not all prerequisites"
  677. #endif
  678.  
  679. #if defined(MBEDTLS_X509_USE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
  680.     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_PARSE_C) ||      \
  681.     !defined(MBEDTLS_PK_PARSE_C) )
  682. #error "MBEDTLS_X509_USE_C defined, but not all prerequisites"
  683. #endif
  684.  
  685. #if defined(MBEDTLS_X509_CREATE_C) && ( !defined(MBEDTLS_BIGNUM_C) ||  \
  686.     !defined(MBEDTLS_OID_C) || !defined(MBEDTLS_ASN1_WRITE_C) ||       \
  687.     !defined(MBEDTLS_PK_WRITE_C) )
  688. #error "MBEDTLS_X509_CREATE_C defined, but not all prerequisites"
  689. #endif
  690.  
  691. #if defined(MBEDTLS_CERTS_C) && !defined(MBEDTLS_X509_USE_C)
  692. #error "MBEDTLS_CERTS_C defined, but not all prerequisites"
  693. #endif
  694.  
  695. #if defined(MBEDTLS_X509_CRT_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
  696. #error "MBEDTLS_X509_CRT_PARSE_C defined, but not all prerequisites"
  697. #endif
  698.  
  699. #if defined(MBEDTLS_X509_CRL_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
  700. #error "MBEDTLS_X509_CRL_PARSE_C defined, but not all prerequisites"
  701. #endif
  702.  
  703. #if defined(MBEDTLS_X509_CSR_PARSE_C) && ( !defined(MBEDTLS_X509_USE_C) )
  704. #error "MBEDTLS_X509_CSR_PARSE_C defined, but not all prerequisites"
  705. #endif
  706.  
  707. #if defined(MBEDTLS_X509_CRT_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
  708. #error "MBEDTLS_X509_CRT_WRITE_C defined, but not all prerequisites"
  709. #endif
  710.  
  711. #if defined(MBEDTLS_X509_CSR_WRITE_C) && ( !defined(MBEDTLS_X509_CREATE_C) )
  712. #error "MBEDTLS_X509_CSR_WRITE_C defined, but not all prerequisites"
  713. #endif
  714.  
  715. #if defined(MBEDTLS_HAVE_INT32) && defined(MBEDTLS_HAVE_INT64)
  716. #error "MBEDTLS_HAVE_INT32 and MBEDTLS_HAVE_INT64 cannot be defined simultaneously"
  717. #endif /* MBEDTLS_HAVE_INT32 && MBEDTLS_HAVE_INT64 */
  718.  
  719. #if ( defined(MBEDTLS_HAVE_INT32) || defined(MBEDTLS_HAVE_INT64) ) && \
  720.     defined(MBEDTLS_HAVE_ASM)
  721. #error "MBEDTLS_HAVE_INT32/MBEDTLS_HAVE_INT64 and MBEDTLS_HAVE_ASM cannot be defined simultaneously"
  722. #endif /* (MBEDTLS_HAVE_INT32 || MBEDTLS_HAVE_INT64) && MBEDTLS_HAVE_ASM */
  723.  
  724. /*
  725.  * Avoid warning from -pedantic. This is a convenient place for this
  726.  * workaround since this is included by every single file before the
  727.  * #if defined(MBEDTLS_xxx_C) that results in empty translation units.
  728.  */
  729. typedef int mbedtls_iso_c_forbids_empty_translation_units;
  730.  
  731. #endif /* MBEDTLS_CHECK_CONFIG_H */
  732.