openadk/package/mongrel2/patches/patch-src_polarssl_include_polarssl_config_h

--- mongrel2-v1.9.1.orig/src/polarssl/include/polarssl/config.h	2014-04-09 19:39:37.000000000 +0200
+++ mongrel2-v1.9.1/src/polarssl/include/polarssl/config.h	2015-05-04 23:10:25.000000000 +0200
@@ -71,7 +71,9 @@
 /**
  * \def POLARSSL_HAVE_ASM
  *
- * The compiler has support for asm().
+ * The compiler has support for asm()
+ *
+ * Uncomment to enable the use of assembly code.
  *
  * Requires support for asm() in compiler.
  *
@@ -80,7 +82,6 @@
  *      library/padlock.c
  *      include/polarssl/bn_mul.h
  *
- * Comment to disable the use of assembly code.
  */
 #define POLARSSL_HAVE_ASM
 
@@ -90,18 +91,19 @@
  * CPU supports SSE2 instruction set.
  *
  * Uncomment if the CPU supports SSE2 (IA-32 specific).
+ *
 #define POLARSSL_HAVE_SSE2
  */
 
 /**
  * \def POLARSSL_HAVE_TIME
  *
- * System has time.h and time() / localtime()  / gettimeofday().
+ * System has time.h and time() / localtime()  / gettimeofday()
  *
  * Comment if your system does not support time functions
  */
 #define POLARSSL_HAVE_TIME
-/* \} name SECTION: System support */
+/* \} name */
 
 /**
  * \name SECTION: PolarSSL feature support
@@ -216,7 +218,7 @@
 /**
  * \def POLARSSL_ENABLE_WEAK_CIPHERSUITES
  *
- * Enable weak ciphersuites in SSL / TLS.
+ * Enable weak ciphersuites in SSL / TLS
  * Warning: Only do so when you know what you are doing. This allows for
  * channels with virtually no security at all!
  *
@@ -245,7 +247,7 @@
 /**
  * \def POLARSSL_KEY_EXCHANGE_PSK_ENABLED
  *
- * Enable the PSK based ciphersuite modes in SSL / TLS.
+ * Enable the PSK based ciphersuite modes in SSL / TLS
  *
  * This enables the following ciphersuites (if other requisites are
  * enabled as well):
@@ -263,7 +265,7 @@
 /**
  * \def POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED
  *
- * Enable the DHE-PSK based ciphersuite modes in SSL / TLS.
+ * Enable the DHE-PSK based ciphersuite modes in SSL / TLS
  *
  * Requires: POLARSSL_DHM_C
  *
@@ -283,10 +285,9 @@
 /**
  * \def POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED
  *
- * Enable the RSA-PSK based ciphersuite modes in SSL / TLS.
+ * Enable the RSA-PSK based ciphersuite modes in SSL / TLS
  * (NOT YET IMPLEMENTED)
- * Requires: POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
- *           POLARSSL_X509_CRT_PARSE_C
+ * Requires: POLARSSL_RSA_C, POLARSSL_X509_CRT_PARSE_C, POLARSSL_PKCS1_V15
  *
  * This enables the following ciphersuites (if other requisites are
  * enabled as well):
@@ -304,10 +305,9 @@
 /**
  * \def POLARSSL_KEY_EXCHANGE_RSA_ENABLED
  *
- * Enable the RSA-only based ciphersuite modes in SSL / TLS.
+ * Enable the RSA-only based ciphersuite modes in SSL / TLS
  *
- * Requires: POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
- *           POLARSSL_X509_CRT_PARSE_C
+ * Requires: POLARSSL_RSA_C, POLARSSL_X509_CRT_PARSE_C, POLARSSL_PKCS1_V15
  *
  * This enables the following ciphersuites (if other requisites are
  * enabled as well):
@@ -330,10 +330,10 @@
 /**
  * \def POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED
  *
- * Enable the DHE-RSA based ciphersuite modes in SSL / TLS.
+ * Enable the DHE-RSA based ciphersuite modes in SSL / TLS
  *
- * Requires: POLARSSL_DHM_C, POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
- *           POLARSSL_X509_CRT_PARSE_C
+ * Requires: POLARSSL_DHM_C, POLARSSL_RSA_C, POLARSSL_X509_CRT_PARSE_C,
+ *           POLARSSL_PKCS1_V15
  *
  * This enables the following ciphersuites (if other requisites are
  * enabled as well):
@@ -352,10 +352,10 @@
 /**
  * \def POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED
  *
- * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS.
+ * Enable the ECDHE-RSA based ciphersuite modes in SSL / TLS
  *
- * Requires: POLARSSL_ECDH_C, POLARSSL_RSA_C, POLARSSL_PKCS1_V15,
- *           POLARSSL_X509_CRT_PARSE_C
+ * Requires: POLARSSL_ECDH_C, POLARSSL_RSA_C, POLARSSL_X509_CRT_PARSE_C,
+ *           POLARSSL_PKCS1_V15
  *
  * This enables the following ciphersuites (if other requisites are
  * enabled as well):
@@ -375,9 +375,9 @@
 /**
  * \def POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
  *
- * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS.
+ * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS
  *
- * Requires: POLARSSL_ECDH_C, POLARSSL_ECDSA_C, POLARSSL_X509_CRT_PARSE_C,
+ * Requires: POLARSSL_ECDH_C, POLARSSL_ECDSA_C, POLARSSL_X509_CRT_PARSE_C
  *
  * This enables the following ciphersuites (if other requisites are
  * enabled as well):
@@ -419,9 +419,9 @@
 /**
  * \def POLARSSL_GENPRIME
  *
- * Enable the prime-number generation code.
+ * Requires: POLARSSL_BIGNUM_C, POLARSSL_RSA_C
  *
- * Requires: POLARSSL_BIGNUM_C
+ * Enable the RSA prime-number generation code.
  */
 #define POLARSSL_GENPRIME
 
@@ -485,10 +485,9 @@
 /**
  * \def POLARSSL_PKCS1_V15
  *
- * Enable support for PKCS#1 v1.5 encoding.
- *
  * Requires: POLARSSL_RSA_C
  *
+ * Enable support for PKCS#1 v1.5 encoding.
  * This enables support for PKCS#1 v1.5 operations.
  */
 #define POLARSSL_PKCS1_V15
@@ -496,10 +495,9 @@
 /**
  * \def POLARSSL_PKCS1_V21
  *
- * Enable support for PKCS#1 v2.1 encoding.
- *
  * Requires: POLARSSL_MD_C, POLARSSL_RSA_C
  *
+ * Enable support for PKCS#1 v2.1 encoding.
  * This enables support for RSAES-OAEP and RSASSA-PSS operations.
  */
 #define POLARSSL_PKCS1_V21
@@ -565,7 +563,7 @@
  * \def POLARSSL_SSL_SRV_SUPPORT_SSLV2_CLIENT_HELLO
  *
  * Enable support for receiving and parsing SSLv2 Client Hello messages for the
- * SSL Server module (POLARSSL_SSL_SRV_C).
+ * SSL Server module (POLARSSL_SSL_SRV_C)
  *
  * Comment this macro to disable support for SSLv2 Client Hello messages.
  */
@@ -574,7 +572,7 @@
 /**
  * \def POLARSSL_SSL_MAX_FRAGMENT_LENGTH
  *
- * Enable support for RFC 6066 max_fragment_length extension in SSL.
+ * Enable support for RFC 6066 max_fragment_length extension in SSL
  *
  * Comment this macro to disable support for the max_fragment_length extension
  */
@@ -583,7 +581,7 @@
 /**
  * \def POLARSSL_SSL_PROTO_SSL3
  *
- * Enable support for SSL 3.0.
+ * Enable support for SSL 3.0
  *
  * Requires: POLARSSL_MD5_C
  *           POLARSSL_SHA1_C
@@ -595,7 +593,7 @@
 /**
  * \def POLARSSL_SSL_PROTO_TLS1
  *
- * Enable support for TLS 1.0.
+ * Enable support for TLS 1.0
  *
  * Requires: POLARSSL_MD5_C
  *           POLARSSL_SHA1_C
@@ -607,7 +605,7 @@
 /**
  * \def POLARSSL_SSL_PROTO_TLS1_1
  *
- * Enable support for TLS 1.1.
+ * Enable support for TLS 1.1
  *
  * Requires: POLARSSL_MD5_C
  *           POLARSSL_SHA1_C
@@ -619,7 +617,7 @@
 /**
  * \def POLARSSL_SSL_PROTO_TLS1_2
  *
- * Enable support for TLS 1.2.
+ * Enable support for TLS 1.2
  *
  * Requires: POLARSSL_SHA256_C or POLARSSL_SHA512_C
  *           (Depends on ciphersuites)
@@ -631,7 +629,7 @@
 /**
  * \def POLARSSL_SSL_SESSION_TICKETS
  *
- * Enable support for RFC 5077 session tickets in SSL.
+ * Enable support for RFC 5077 session tickets in SSL
  *
  * Requires: POLARSSL_AES_C
  *           POLARSSL_SHA256_C
@@ -644,7 +642,7 @@
 /**
  * \def POLARSSL_SSL_SERVER_NAME_INDICATION
  *
- * Enable support for RFC 6066 server name indication (SNI) in SSL.
+ * Enable support for RFC 6066 server name indication (SNI) in SSL
  *
  * Comment this macro to disable support for server name indication in SSL
  */
@@ -653,59 +651,13 @@
 /**
  * \def POLARSSL_SSL_TRUNCATED_HMAC
  *
- * Enable support for RFC 6066 truncated HMAC in SSL.
+ * Enable support for RFC 6066 truncated HMAC in SSL
  *
  * Comment this macro to disable support for truncated HMAC in SSL
  */
 #define POLARSSL_SSL_TRUNCATED_HMAC
 
 /**
- * \def POLARSSL_THREADING_ALT
- *
- * Provide your own alternate threading implementation.
- *
- * Requires: POLARSSL_THREADING_C
- *
- * Uncomment this to allow your own alternate threading implementation.
-#define POLARSSL_THREADING_ALT
- */
-
-/**
- * \def POLARSSL_THREADING_DUMMY
- *
- * Provide a dummy threading implementation.
- * Warning: If you use this, all claims of thread-safety in the documentation
- *          are void!
- *
- * Requires: POLARSSL_THREADING_C
- *
- * Uncomment this to enable code to compile like with threading enabled
-#define POLARSSL_THREADING_DUMMY
- */
-
-/**
- * \def POLARSSL_THREADING_PTHREAD
- *
- * Enable the pthread wrapper layer for the threading layer.
- *
- * Requires: POLARSSL_THREADING_C
- *
- * Uncomment this to enable pthread mutexes.
-#define POLARSSL_THREADING_PTHREAD
- */
-
-/**
- * \def POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
- *
- * If set, the X509 parser will not break-off when parsing an X509 certificate
- * and encountering an extension in a v1 or v2 certificate.
- *
- * Uncomment to prevent an error.
- *
-#define POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
- */
-
-/**
  * \def POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
  *
  * If set, the X509 parser will not break-off when parsing an X509 certificate
@@ -731,7 +683,7 @@
  * Uncomment to enable use of ZLIB
 #define POLARSSL_ZLIB_SUPPORT
  */
-/* \} name SECTION: PolarSSL feature support */
+/* \} name */
 
 /**
  * \name SECTION: PolarSSL modules
@@ -794,11 +746,7 @@
  * Enable the generic ASN1 parser.
  *
  * Module:  library/asn1.c
- * Caller:  library/x509.c
- *          library/dhm.c
- *          library/pkcs12.c
- *          library/pkcs5.c
- *          library/pkparse.c
+ * Caller:  library/x509parse.c
  */
 #define POLARSSL_ASN1_PARSE_C
 
@@ -808,11 +756,6 @@
  * Enable the generic ASN1 writer.
  *
  * Module:  library/asn1write.c
- * Caller:  library/ecdsa.c
- *          library/pkwrite.c
- *          library/x509_create.c
- *          library/x509write_crt.c
- *          library/x509write_csr.c
  */
 #define POLARSSL_ASN1_WRITE_C
 
@@ -835,9 +778,9 @@
  *
  * Module:  library/bignum.c
  * Caller:  library/dhm.c
- *          library/ecp.c
  *          library/rsa.c
  *          library/ssl_tls.c
+ *          library/x509parse.c
  *
  * This module is required for RSA and DHM support.
  */
@@ -900,7 +843,7 @@
 /**
  * \def POLARSSL_CTR_DRBG_C
  *
- * Enable the CTR_DRBG AES-256-based random generator.
+ * Enable the CTR_DRBG AES-256-based random generator
  *
  * Module:  library/ctr_drbg.c
  * Caller:
@@ -1046,7 +989,7 @@
 /**
  * \def POLARSSL_GCM_C
  *
- * Enable the Galois/Counter Mode (GCM) for AES.
+ * Enable the Galois/Counter Mode (GCM) for AES
  *
  * Module:  library/gcm.c
  *
@@ -1079,8 +1022,8 @@
  * Requires: POLARSSL_TIMING_C
  *
  * Uncomment to enable the HAVEGE random generator.
-#define POLARSSL_HAVEGE_C
  */
+#define POLARSSL_HAVEGE_C
 
 /**
  * \def POLARSSL_MD_C
@@ -1097,10 +1040,10 @@
 /**
  * \def POLARSSL_MD2_C
  *
- * Enable the MD2 hash algorithm.
+ * Enable the MD2 hash algorithm
  *
  * Module:  library/md2.c
- * Caller:
+ * Caller:  library/x509parse.c
  *
  * Uncomment to enable support for (rare) MD2-signed X.509 certs.
  *
@@ -1110,10 +1053,10 @@
 /**
  * \def POLARSSL_MD4_C
  *
- * Enable the MD4 hash algorithm.
+ * Enable the MD4 hash algorithm
  *
  * Module:  library/md4.c
- * Caller:
+ * Caller:  library/x509parse.c
  *
  * Uncomment to enable support for (rare) MD4-signed X.509 certs.
  *
@@ -1123,12 +1066,12 @@
 /**
  * \def POLARSSL_MD5_C
  *
- * Enable the MD5 hash algorithm.
+ * Enable the MD5 hash algorithm
  *
  * Module:  library/md5.c
- * Caller:  library/md.c
- *          library/pem.c
+ * Caller:  library/pem.c
  *          library/ssl_tls.c
+ *          library/x509parse.c
  *
  * This module is required for SSL/TLS and X.509.
  * PEM_PARSE uses MD5 for decrypting encrypted keys.
@@ -1150,11 +1093,8 @@
  */
 
 /**
- * \def POLARSSL_MEMORY_BUFFER_ALLOC_C
- *
- * Enable the buffer allocator implementation that makes use of a (stack)
- * based buffer to 'allocate' dynamic memory. (replaces malloc() and free()
- * calls)
+ * The buffer allocator implementation that makes use of a (stack) based
+ * buffer to 'allocate' dynamic memory. (replaces malloc() and free() calls)
  *
  * Module:  library/memory_buffer_alloc.c
  *
@@ -1178,21 +1118,12 @@
 /**
  * \def POLARSSL_OID_C
  *
- * Enable the OID database.
+ * Enable the OID database
  *
  * Module:  library/oid.c
- * Caller:  library/asn1write.c
- *          library/pkcs5.c
- *          library/pkparse.c
- *          library/pkwrite.c
- *          library/rsa.c
- *          library/x509.c
- *          library/x509_create.c
- *          library/x509_crl.c
- *          library/x509_crt.c
- *          library/x509_csr.c
- *          library/x509write_crt.c
- *          library/x509write_csr.c
+ * Caller:  library/rsa.c
+ *          library/x509parse.c
+ *          library/x509write.c
  *
  * This modules translates between OIDs and internal values.
  */
@@ -1213,7 +1144,7 @@
 /**
  * \def POLARSSL_PBKDF2_C
  *
- * Enable PKCS#5 PBKDF2 key derivation function.
+ * Enable PKCS#5 PBKDF2 key derivation function
  * DEPRECATED: Use POLARSSL_PKCS5_C instead
  *
  * Module:  library/pbkdf2.c
@@ -1227,14 +1158,11 @@
 /**
  * \def POLARSSL_PEM_PARSE_C
  *
- * Enable PEM decoding / parsing.
+ * Enable PEM decoding / parsing
  *
  * Module:  library/pem.c
- * Caller:  library/dhm.c
+ * Caller:  library/x509parse.c
  *          library/pkparse.c
- *          library/x509_crl.c
- *          library/x509_crt.c
- *          library/x509_csr.c
  *
  * Requires: POLARSSL_BASE64_C
  *
@@ -1245,12 +1173,11 @@
 /**
  * \def POLARSSL_PEM_WRITE_C
  *
- * Enable PEM encoding / writing.
+ * Enable PEM encoding / writing
  *
  * Module:  library/pem.c
- * Caller:  library/pkwrite.c
- *          library/x509write_crt.c
- *          library/x509write_csr.c
+ * Caller:  library/x509write.c
+ *          library/pkwrite.c
  *
  * Requires: POLARSSL_BASE64_C
  *
@@ -1264,12 +1191,11 @@
  * Enable the generic public (asymetric) key layer.
  *
  * Module:  library/pk.c
- * Caller:  library/ssl_tls.c
+ * Caller:  library/x509parse.c
+ *          library/ssl_tls.c
  *          library/ssl_cli.c
  *          library/ssl_srv.c
  *
- * Requires: POLARSSL_RSA_C or POLARSSL_ECP_C
- *
  * Uncomment to enable generic public key wrappers.
  */
 #define POLARSSL_PK_C
@@ -1280,8 +1206,7 @@
  * Enable the generic public (asymetric) key parser.
  *
  * Module:  library/pkparse.c
- * Caller:  library/x509_crt.c
- *          library/x509_csr.c
+ * Caller:  library/x509parse.c
  *
  * Requires: POLARSSL_PK_C
  *
@@ -1306,7 +1231,7 @@
 /**
  * \def POLARSSL_PKCS5_C
  *
- * Enable PKCS#5 functions.
+ * Enable PKCS#5 functions
  *
  * Module:  library/pkcs5.c
  *
@@ -1334,11 +1259,11 @@
 /**
  * \def POLARSSL_PKCS12_C
  *
- * Enable PKCS#12 PBE functions.
+ * Enable PKCS#12 PBE functions
  * Adds algorithms for parsing PKCS#8 encrypted private keys
  *
  * Module:  library/pkcs12.c
- * Caller:  library/pkparse.c
+ * Caller:  library/x509parse.c
  *
  * Requires: POLARSSL_ASN1_PARSE_C, POLARSSL_CIPHER_C, POLARSSL_MD_C
  * Can use:  POLARSSL_ARC4_C
@@ -1370,11 +1295,10 @@
  * Enable the SHA1 cryptographic hash algorithm.
  *
  * Module:  library/sha1.c
- * Caller:  library/md.c
- *          library/ssl_cli.c
+ * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *          library/ssl_tls.c
- *          library/x509write_crt.c
+ *          library/x509parse.c
  *
  * This module is required for SSL/TLS and SHA1-signed certificates.
  */
@@ -1387,11 +1311,8 @@
  * (Used to be POLARSSL_SHA2_C)
  *
  * Module:  library/sha256.c
- * Caller:  library/entropy.c
- *          library/md.c
- *          library/ssl_cli.c
- *          library/ssl_srv.c
- *          library/ssl_tls.c
+ * Caller:  library/md_wrap.c
+ *          library/x509parse.c
  *
  * This module adds support for SHA-224 and SHA-256.
  * This module is required for the SSL/TLS 1.2 PRF function.
@@ -1405,10 +1326,8 @@
  * (Used to be POLARSSL_SHA4_C)
  *
  * Module:  library/sha512.c
- * Caller:  library/entropy.c
- *          library/md.c
- *          library/ssl_cli.c
- *          library/ssl_srv.c
+ * Caller:  library/md_wrap.c
+ *          library/x509parse.c
  *
  * This module adds support for SHA-384 and SHA-512.
  */
@@ -1463,7 +1382,7 @@
  * Caller:  library/ssl_cli.c
  *          library/ssl_srv.c
  *
- * Requires: POLARSSL_CIPHER_C, POLARSSL_MD_C
+ * Requires: POLARSSL_CIPHER_C, POLARSSL_PK_C, POLARSSL_MD_C
  *           and at least one of the POLARSSL_SSL_PROTO_* defines
  *
  * This module is required for SSL/TLS.
@@ -1471,27 +1390,6 @@
 #define POLARSSL_SSL_TLS_C
 
 /**
- * \def POLARSSL_THREADING_C
- *
- * Enable the threading abstraction layer.
- * By default PolarSSL assumes it is used in a non-threaded environment or that
- * contexts are not shared between threads. If you do intend to use contexts
- * between threads, you will need to enable this layer to prevent race
- * conditions.
- *
- * Module:  library/threading.c
- *
- * This allows different threading implementations (self-implemented or
- * provided).
- *
- * You will have to enable either POLARSSL_THREADING_ALT,
- * POLARSSL_THREADING_PTHREAD or POLARSSL_THREADING_DUMMY.
- *
- * Enable this layer to allow use of mutexes within PolarSSL
-#define POLARSSL_THREADING_C
- */
-
-/**
  * \def POLARSSL_TIMING_C
  *
  * Enable the portable timing interface.
@@ -1517,7 +1415,7 @@
 /**
  * \def POLARSSL_X509_USE_C
  *
- * Enable X.509 core for using certificates.
+ * Enable X.509 core for using certificates
  *
  * Module:  library/x509.c
  * Caller:  library/x509_crl.c
@@ -1578,7 +1476,7 @@
 /**
  * \def POLARSSL_X509_CREATE_C
  *
- * Enable X.509 core for creating certificates.
+ * Enable X.509 core for creating certificates
  *
  * Module:  library/x509_create.c
  *
@@ -1604,7 +1502,7 @@
 /**
  * \def POLARSSL_X509_CSR_WRITE_C
  *
- * Enable creating X.509 Certificate Signing Requests (CSR).
+ * Enable creating X.509 Certificate Signing Requests (CSR)
  *
  * Module:  library/x509_csr_write.c
  *
@@ -1624,7 +1522,7 @@
  */
 #define POLARSSL_XTEA_C
 
-/* \} name SECTION: PolarSSL modules */
+/* \} name */
 
 /**
  * \name SECTION: Module configuration options
@@ -1804,7 +1702,7 @@
 #endif
 
 #if defined(POLARSSL_SSL_TLS_C) && ( !defined(POLARSSL_CIPHER_C) ||     \
-    !defined(POLARSSL_MD_C) )
+    !defined(POLARSSL_PK_C) || !defined(POLARSSL_MD_C) )
 #error "POLARSSL_SSL_TLS_C defined, but not all prerequisites"
 #endif
 
@@ -1840,32 +1738,6 @@
 #error "POLARSSL_SSL_SESSION_TICKETS_C defined, but not all prerequisites"
 #endif
 
-#if defined(POLARSSL_THREADING_DUMMY)
-#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
-#error "POLARSSL_THREADING_DUMMY defined, but not all prerequisites"
-#endif
-#define POLARSSL_THREADING_IMPL
-#endif
-
-#if defined(POLARSSL_THREADING_PTHREAD)
-#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
-#error "POLARSSL_THREADING_PTHREAD defined, but not all prerequisites"
-#endif
-#define POLARSSL_THREADING_IMPL
-#endif
-
-#if defined(POLARSSL_THREADING_ALT)
-#if !defined(POLARSSL_THREADING_C) || defined(POLARSSL_THREADING_IMPL)
-#error "POLARSSL_THREADING_ALT defined, but not all prerequisites"
-#endif
-#define POLARSSL_THREADING_IMPL
-#endif
-
-#if defined(POLARSSL_THREADING_C) && !defined(POLARSSL_THREADING_IMPL)
-#error "POLARSSL_THREADING_C defined, single threading implementation required"
-#endif
-#undef POLARSSL_THREADING_IMPL
-
 #if defined(POLARSSL_X509_USE_C) && ( !defined(POLARSSL_BIGNUM_C) ||  \
     !defined(POLARSSL_OID_C) || !defined(POLARSSL_ASN1_PARSE_C) ||      \
     !defined(POLARSSL_PK_PARSE_C) )