source: git/src-cryptopp/config.h

Last change on this file was 00a3bd6, checked in by David Stainton <dstainton415@…>, at 2016-10-12T13:30:29Z

Add extern declaraton and assignment of cryptopp_extra_version
  • Property mode set to 100644
File size: 36.9 KB
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1// config.h - written and placed in the public domain by Wei Dai
2
3//! \file config.h
4//! \brief Library configuration file
5
6#ifndef CRYPTOPP_CONFIG_H
7#define CRYPTOPP_CONFIG_H
8
9extern const char*cryptopp_extra_version;
10
11// ***************** Important Settings ********************
12
13// define this if running on a big-endian CPU
14#if !defined(IS_LITTLE_ENDIAN) && (defined(__BIG_ENDIAN__) || (defined(__s390__) || defined(__s390x__) || defined(__zarch__)) || (defined(__m68k__) || defined(__MC68K__)) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__MIPSEB__) || defined(__ARMEB__) || (defined(__MWERKS__) && !defined(__INTEL__)))
15#       define IS_BIG_ENDIAN
16#endif
17
18// define this if running on a little-endian CPU
19// big endian will be assumed if IS_LITTLE_ENDIAN is not defined
20#ifndef IS_BIG_ENDIAN
21#       define IS_LITTLE_ENDIAN
22#endif
23
24// Sanity checks. Some processors have more than big-, little- and bi-endian modes. PDP mode, where order results in "4312", should
25//   raise red flags immediately. Additionally, mis-classified machines, like (previosuly) S/390, should raise red flags immediately.
26#if defined(IS_BIG_ENDIAN) && defined(__GNUC__) && defined(__BYTE_ORDER__) && (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__)
27# error "IS_BIG_ENDIAN is set, but __BYTE_ORDER__  does not equal __ORDER_BIG_ENDIAN__"
28#endif
29#if defined(IS_LITTLE_ENDIAN) && defined(__GNUC__) && defined(__BYTE_ORDER__) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
30# error "IS_LITTLE_ENDIAN is set, but __BYTE_ORDER__  does not equal __ORDER_LITTLE_ENDIAN__"
31#endif
32
33// Define this if you want to disable all OS-dependent features,
34// such as sockets and OS-provided random number generators
35// #define NO_OS_DEPENDENCE
36
37// Define this to use features provided by Microsoft's CryptoAPI.
38// Currently the only feature used is Windows random number generation.
39// This macro will be ignored if NO_OS_DEPENDENCE is defined.
40// #define USE_MS_CRYPTOAPI
41
42// Define this to use features provided by Microsoft's CryptoNG API.
43// CryptoNG API is available in Vista and above and its cross platform,
44// including desktop apps and store apps. Currently the only feature
45// used is Windows random number generation.
46// This macro will be ignored if NO_OS_DEPENDENCE is defined.
47// #define USE_MS_CNGAPI
48
49// If the user did not make a choice, then select CryptoNG if either
50// Visual Studio 2015 is available, or Windows 10 or above is available.
51#if !defined(USE_MS_CRYPTOAPI) && !defined(USE_MS_CNGAPI)
52# if (_MSC_VER >= 1900) || ((WINVER >= 0x0A00 /*_WIN32_WINNT_WIN10*/) || (_WIN32_WINNT >= 0x0A00 /*_WIN32_WINNT_WIN10*/))
53#  define USE_MS_CNGAPI
54# else
55#  define USE_MS_CRYPTOAPI
56# endif
57#endif
58
59// Define this to ensure C/C++ standard compliance and respect for GCC aliasing rules and other alignment fodder. If you
60// experience a break with GCC at -O3, you should try this first. Guard it in case its set on the command line (and it differs).
61#ifndef CRYPTOPP_NO_UNALIGNED_DATA_ACCESS
62# define CRYPTOPP_NO_UNALIGNED_DATA_ACCESS
63#endif
64
65// ***************** Less Important Settings ***************
66
67// Library version
68#define CRYPTOPP_VERSION 565
69
70// Define this if you want to set a prefix for TestData/ and TestVectors/
71//   Be mindful of the trailing slash since its simple concatenation.
72//   g++ ... -DCRYPTOPP_DATA_DIR='"/tmp/cryptopp_test/share/"'
73#ifndef CRYPTOPP_DATA_DIR
74# define CRYPTOPP_DATA_DIR ""
75#endif
76
77// define this to retain (as much as possible) old deprecated function and class names
78// #define CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY
79
80// Define this to retain (as much as possible) ABI and binary compatibility with Crypto++ 5.6.2.
81// Also see https://cryptopp.com/wiki/Config.h#Avoid_MAINTAIN_BACKWARDS_COMPATIBILITY
82// #define CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
83
84// Define this if you want or need the library's memcpy_s and memmove_s.
85//   See http://github.com/weidai11/cryptopp/issues/28.
86// #if !defined(CRYPTOPP_WANT_SECURE_LIB)
87// # define CRYPTOPP_WANT_SECURE_LIB
88// #endif
89
90// File system code to write to GZIP archive.
91#if !defined(GZIP_OS_CODE)
92# define GZIP_OS_CODE 0
93#endif
94
95// Try this if your CPU has 256K internal cache or a slow multiply instruction
96// and you want a (possibly) faster IDEA implementation using log tables
97// #define IDEA_LARGECACHE
98
99// Define this if, for the linear congruential RNG, you want to use
100// the original constants as specified in S.K. Park and K.W. Miller's
101// CACM paper.
102// #define LCRNG_ORIGINAL_NUMBERS
103
104// Define this if you want Integer's operator<< to honor std::showbase (and
105// std::noshowbase). If defined, Integer will use a suffix of 'b', 'o', 'h'
106// or '.' (the last for decimal) when std::showbase is in effect. If
107// std::noshowbase is set, then the suffix is not added to the Integer. If
108// not defined, existing behavior is preserved and Integer will use a suffix
109// of 'b', 'o', 'h' or '.' (the last for decimal).
110// #define CRYPTOPP_USE_STD_SHOWBASE
111
112// choose which style of sockets to wrap (mostly useful for MinGW which has both)
113#if !defined(NO_BERKELEY_STYLE_SOCKETS) && !defined(PREFER_BERKELEY_STYLE_SOCKETS)
114# define PREFER_BERKELEY_STYLE_SOCKETS
115#endif
116
117// #if !defined(NO_WINDOWS_STYLE_SOCKETS) && !defined(PREFER_WINDOWS_STYLE_SOCKETS)
118// # define PREFER_WINDOWS_STYLE_SOCKETS
119// #endif
120
121// set the name of Rijndael cipher, was "Rijndael" before version 5.3
122#define CRYPTOPP_RIJNDAEL_NAME "AES"
123
124// CRYPTOPP_DEBUG enables the library's CRYPTOPP_ASSERT. CRYPTOPP_ASSERT
125//   raises a SIGTRAP (Unix) or calls DebugBreak() (Windows). CRYPTOPP_ASSERT
126//   is only in effect when CRYPTOPP_DEBUG, DEBUG or _DEBUG is defined. Unlike
127//   Posix assert, CRYPTOPP_ASSERT is not affected by NDEBUG (or failure to
128//   define it).
129//   Also see http://github.com/weidai11/cryptopp/issues/277, CVE-2016-7420
130#if (defined(DEBUG) || defined(_DEBUG)) && !defined(CRYPTOPP_DEBUG)
131# define CRYPTOPP_DEBUG 1
132#endif
133
134// ***************** Initialization and Constructor priorities ********************
135
136// MacPorts/GCC and Solaris/GCC does not provide constructor(priority). Apple/GCC and Fink/GCC do provide it.
137// See http://cryptopp.com/wiki/Static_Initialization_Order_Fiasco
138
139// CRYPTOPP_INIT_PRIORITY attempts to manage initialization of C++ static objects.
140// Under GCC, the library uses init_priority attribute in the range
141// [CRYPTOPP_INIT_PRIORITY, CRYPTOPP_INIT_PRIORITY+100]. Under Windows,
142// CRYPTOPP_INIT_PRIORITY enlists "#pragma init_seg(lib)".
143#ifndef CRYPTOPP_INIT_PRIORITY
144# define CRYPTOPP_INIT_PRIORITY 250
145#endif
146
147// CRYPTOPP_USER_PRIORITY is for other libraries and user code that is using Crypto++
148// and managing C++ static object creation. It is guaranteed not to conflict with
149// values used by (or would be used by) the Crypto++ library.
150#if defined(CRYPTOPP_INIT_PRIORITY) && (CRYPTOPP_INIT_PRIORITY > 0)
151# define CRYPTOPP_USER_PRIORITY (CRYPTOPP_INIT_PRIORITY + 101)
152#else
153# define CRYPTOPP_USER_PRIORITY 350
154#endif
155
156// __attribute__(init_priority(250)) is supported
157#if (__GNUC__ && (CRYPTOPP_INIT_PRIORITY > 0) && ((CRYPTOPP_GCC_VERSION >= 40300) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20900) || (_INTEL_COMPILER >= 300)) && !(MACPORTS_GCC_COMPILER > 0) && !defined(__sun__))
158# define HAVE_GCC_CONSTRUCTOR1 1
159#endif
160
161// __attribute__(init_priority()) is supported
162#if (__GNUC__ && (CRYPTOPP_INIT_PRIORITY > 0) && !HAVE_GCC_CONSTRUCTOR1 && !(MACPORTS_GCC_COMPILER > 0) && !defined(__sun__))
163# define HAVE_GCC_CONSTRUCTOR0 1
164#endif
165
166#if (_MSC_VER && (CRYPTOPP_INIT_PRIORITY > 0))
167# define HAVE_MSC_INIT_PRIORITY 1
168#endif
169
170// ***************** Important Settings Again ********************
171// But the defaults should be ok.
172
173// namespace support is now required
174#ifdef NO_NAMESPACE
175#       error namespace support is now required
176#endif
177
178// Define this to workaround a Microsoft CryptoAPI bug where
179// each call to CryptAcquireContext causes a 100 KB memory leak.
180// Defining this will cause Crypto++ to make only one call to CryptAcquireContext.
181#define WORKAROUND_MS_BUG_Q258000
182
183#ifdef CRYPTOPP_DOXYGEN_PROCESSING
184// Document the namespce exists. Put it here before CryptoPP is undefined below.
185//! \namespace CryptoPP
186//! \brief Crypto++ library namespace
187//! \details Nearly all classes are located in the CryptoPP namespace. Within
188//!   the namespace, there are two additional namespaces.
189//!   <ul>
190//!     <li>Name - namespace for names used with \p NameValuePairs and documented in argnames.h
191//!     <li>Weak - namespace for weak and wounded algorithms, like ARC4, MD5 and Pananma
192//!   </ul>
193namespace CryptoPP { }
194// Bring in the symbols fund in the weak namespace; and fold Weak1 into Weak
195#               define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
196#               define Weak1 Weak
197// Avoid putting "CryptoPP::" in front of everything in Doxygen output
198#       define CryptoPP
199#       define NAMESPACE_BEGIN(x)
200#       define NAMESPACE_END
201// Get Doxygen to generate better documentation for these typedefs
202#       define DOCUMENTED_TYPEDEF(x, y) class y : public x {};
203// Make "protected" "private" so the functions and members are not documented
204#               define protected private
205#else
206#       define NAMESPACE_BEGIN(x) namespace x {
207#       define NAMESPACE_END }
208#       define DOCUMENTED_TYPEDEF(x, y) typedef x y;
209#endif
210#define ANONYMOUS_NAMESPACE_BEGIN namespace {
211#define ANONYMOUS_NAMESPACE_END }
212#define USING_NAMESPACE(x) using namespace x;
213#define DOCUMENTED_NAMESPACE_BEGIN(x) namespace x {
214#define DOCUMENTED_NAMESPACE_END }
215
216// What is the type of the third parameter to bind?
217// For Unix, the new standard is ::socklen_t (typically unsigned int), and the old standard is int.
218// Unfortunately there is no way to tell whether or not socklen_t is defined.
219// To work around this, TYPE_OF_SOCKLEN_T is a macro so that you can change it from the makefile.
220#ifndef TYPE_OF_SOCKLEN_T
221#       if defined(_WIN32) || defined(__CYGWIN__)
222#               define TYPE_OF_SOCKLEN_T int
223#       else
224#               define TYPE_OF_SOCKLEN_T ::socklen_t
225#       endif
226#endif
227
228#if defined(__CYGWIN__) && defined(PREFER_WINDOWS_STYLE_SOCKETS)
229#       define __USE_W32_SOCKETS
230#endif
231
232typedef unsigned char byte;             // put in global namespace to avoid ambiguity with other byte typedefs
233
234NAMESPACE_BEGIN(CryptoPP)
235
236typedef unsigned short word16;
237typedef unsigned int word32;
238
239#if defined(_MSC_VER) || defined(__BORLANDC__)
240        typedef unsigned __int64 word64;
241        #define W64LIT(x) x##ui64
242#elif (_LP64 || __LP64__)
243        typedef unsigned long word64;
244        #define W64LIT(x) x##UL
245#else
246        typedef unsigned long long word64;
247        #define W64LIT(x) x##ULL
248#endif
249
250// define large word type, used for file offsets and such
251typedef word64 lword;
252const lword LWORD_MAX = W64LIT(0xffffffffffffffff);
253
254// Clang pretends to be VC++, too.
255//   See http://github.com/weidai11/cryptopp/issues/147
256#if defined(_MSC_VER) && defined(__clang__)
257# error: "Unsupported configuration"
258#endif
259
260#ifdef __GNUC__
261        #define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
262#endif
263
264// Apple and LLVM's Clang. Apple Clang version 7.0 roughly equals LLVM Clang version 3.7
265#if defined(__clang__ ) && !defined(__apple_build_version__)
266        #define CRYPTOPP_LLVM_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
267        #define CRYPTOPP_CLANG_INTEGRATED_ASSEMBLER 1
268#elif defined(__clang__ ) && defined(__apple_build_version__)
269        #define CRYPTOPP_APPLE_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
270        #define CRYPTOPP_CLANG_INTEGRATED_ASSEMBLER 1
271#endif
272
273#ifdef _MSC_VER
274        #define CRYPTOPP_MSC_VERSION (_MSC_VER)
275#endif
276
277// Need GCC 4.6/Clang 1.7/Apple Clang 2.0 or above due to "GCC diagnostic {push|pop}"
278#if (CRYPTOPP_GCC_VERSION >= 40600) || (CRYPTOPP_LLVM_CLANG_VERSION >= 10700) || (CRYPTOPP_APPLE_CLANG_VERSION >= 20000)
279        #define CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE 1
280#endif
281
282// Clang due to "Inline assembly operands don't work with .intel_syntax", http://llvm.org/bugs/show_bug.cgi?id=24232
283//   TODO: supply the upper version when LLVM fixes it. We set it to 20.0 for compilation purposes.
284#if (defined(CRYPTOPP_LLVM_CLANG_VERSION) && CRYPTOPP_LLVM_CLANG_VERSION <= 200000) || (defined(CRYPTOPP_APPLE_CLANG_VERSION) && CRYPTOPP_APPLE_CLANG_VERSION <= 200000) || defined(CRYPTOPP_CLANG_INTEGRATED_ASSEMBLER)
285        #define CRYPTOPP_DISABLE_INTEL_ASM 1
286#endif
287
288// define hword, word, and dword. these are used for multiprecision integer arithmetic
289// Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
290#if (defined(_MSC_VER) && (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1000) && (defined(_M_X64) || defined(_M_IA64))) || (defined(__DECCXX) && defined(__alpha__)) || (defined(__INTEL_COMPILER) && defined(__x86_64__)) || (defined(__SUNPRO_CC) && defined(__x86_64__))
291        typedef word32 hword;
292        typedef word64 word;
293#else
294        #define CRYPTOPP_NATIVE_DWORD_AVAILABLE 1
295        #if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__)
296                #if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !(CRYPTOPP_GCC_VERSION == 40001 && defined(__APPLE__)) && CRYPTOPP_GCC_VERSION >= 30400
297                        // GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
298                        // mode(TI) division broken on amd64 with GCC earlier than GCC 3.4
299                        typedef word32 hword;
300                        typedef word64 word;
301                        typedef __uint128_t dword;
302                        typedef __uint128_t word128;
303                        #define CRYPTOPP_WORD128_AVAILABLE 1
304                #else
305                        // if we're here, it means we're on a 64-bit CPU but we don't have a way to obtain 128-bit multiplication results
306                        typedef word16 hword;
307                        typedef word32 word;
308                        typedef word64 dword;
309                #endif
310        #else
311                // being here means the native register size is probably 32 bits or less
312                #define CRYPTOPP_BOOL_SLOW_WORD64 1
313                typedef word16 hword;
314                typedef word32 word;
315                typedef word64 dword;
316        #endif
317#endif
318#ifndef CRYPTOPP_BOOL_SLOW_WORD64
319        #define CRYPTOPP_BOOL_SLOW_WORD64 0
320#endif
321
322const unsigned int WORD_SIZE = sizeof(word);
323const unsigned int WORD_BITS = WORD_SIZE * 8;
324
325NAMESPACE_END
326
327#ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
328        // This should be a lower bound on the L1 cache line size. It's used for defense against timing attacks.
329        // Also see http://stackoverflow.com/questions/794632/programmatically-get-the-cache-line-size.
330        #if defined(_M_X64) || defined(__x86_64__) || (__arm64__) || (__aarch64__)
331                #define CRYPTOPP_L1_CACHE_LINE_SIZE 64
332        #else
333                // L1 cache line size is 32 on Pentium III and earlier
334                #define CRYPTOPP_L1_CACHE_LINE_SIZE 32
335        #endif
336#endif
337
338#if defined(_MSC_VER)
339        #if _MSC_VER == 1200
340                #include <malloc.h>
341        #endif
342        #if _MSC_VER > 1200 || defined(_mm_free)
343                #define CRYPTOPP_MSVC6PP_OR_LATER               // VC 6 processor pack or later
344        #else
345                #define CRYPTOPP_MSVC6_NO_PP                    // VC 6 without processor pack
346        #endif
347#endif
348
349#ifndef CRYPTOPP_ALIGN_DATA
350        #if defined(CRYPTOPP_MSVC6PP_OR_LATER)
351                #define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
352        #elif defined(__GNUC__)
353                #define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
354        #else
355                #define CRYPTOPP_ALIGN_DATA(x)
356        #endif
357#endif
358
359#ifndef CRYPTOPP_SECTION_ALIGN16
360#if defined(__GNUC__) && !defined(__APPLE__)
361                // the alignment attribute doesn't seem to work without this section attribute when -fdata-sections is turned on
362                #define CRYPTOPP_SECTION_ALIGN16 __attribute__((section ("CryptoPP_Align16")))
363        #else
364                #define CRYPTOPP_SECTION_ALIGN16
365        #endif
366#endif
367
368// The section attribute attempts to initialize CPU flags to avoid Valgrind findings above -O1
369#if ((__MACH__ >= 1) && ((CRYPTOPP_LLVM_CLANG_VERSION >= 30600) || (CRYPTOPP_APPLE_CLANG_VERSION >= 70100) || (CRYPTOPP_GCC_VERSION >= 40300)))
370        #define CRYPTOPP_SECTION_INIT __attribute__((section ("__DATA,__data")))
371#elif ((__ELF__ >= 1) && (CRYPTOPP_GCC_VERSION >= 40300))
372        #define CRYPTOPP_SECTION_INIT __attribute__((section ("nocommon")))
373#else
374        #define CRYPTOPP_SECTION_INIT
375#endif
376
377#if defined(_MSC_VER) || defined(__fastcall)
378        #define CRYPTOPP_FASTCALL __fastcall
379#else
380        #define CRYPTOPP_FASTCALL
381#endif
382
383// VC60 workaround: it doesn't allow typename in some places
384#if defined(_MSC_VER) && (_MSC_VER < 1300)
385#define CPP_TYPENAME
386#else
387#define CPP_TYPENAME typename
388#endif
389
390// VC60 workaround: can't cast unsigned __int64 to float or double
391#if defined(_MSC_VER) && !defined(CRYPTOPP_MSVC6PP_OR_LATER)
392#define CRYPTOPP_VC6_INT64 (__int64)
393#else
394#define CRYPTOPP_VC6_INT64
395#endif
396
397#ifdef _MSC_VER
398#define CRYPTOPP_NO_VTABLE __declspec(novtable)
399#else
400#define CRYPTOPP_NO_VTABLE
401#endif
402
403#ifdef _MSC_VER
404        // 4127: conditional expression is constant
405        // 4231: nonstandard extension used : 'extern' before template explicit instantiation
406        // 4250: dominance
407        // 4251: member needs to have dll-interface
408        // 4275: base needs to have dll-interface
409        // 4505: unreferenced local function
410        // 4512: assignment operator not generated
411        // 4660: explicitly instantiating a class that's already implicitly instantiated
412        // 4661: no suitable definition provided for explicit template instantiation request
413        // 4786: identifer was truncated in debug information
414        // 4355: 'this' : used in base member initializer list
415        // 4910: '__declspec(dllexport)' and 'extern' are incompatible on an explicit instantiation
416#       pragma warning(disable: 4127 4231 4250 4251 4275 4505 4512 4660 4661 4786 4355 4910)
417        // Security related, possible defects
418        // http://blogs.msdn.com/b/vcblog/archive/2010/12/14/off-by-default-compiler-warnings-in-visual-c.aspx
419#       pragma warning(once: 4191 4242 4263 4264 4266 4302 4826 4905 4906 4928)
420#endif
421
422#ifdef __BORLANDC__
423// 8037: non-const function called for const object. needed to work around BCB2006 bug
424#       pragma warn -8037
425#endif
426
427// [GCC Bug 53431] "C++ preprocessor ignores #pragma GCC diagnostic". Clang honors it.
428#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
429# pragma GCC diagnostic ignored "-Wunknown-pragmas"
430# pragma GCC diagnostic ignored "-Wunused-function"
431#endif
432
433// You may need to force include a C++ header on Android when using STLPort to ensure
434// _STLPORT_VERSION is defined: CXXFLAGS="-DNDEBUG -g2 -O2 -std=c++11 -include iosfwd"
435// TODO: Figure out C++17 and lack of std::uncaught_exception
436#if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__MWERKS__) || (defined(_STLPORT_VERSION) && ((_STLPORT_VERSION < 0x450) || defined(_STLP_NO_UNCAUGHT_EXCEPT_SUPPORT)))
437#define CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
438#endif
439
440#ifndef CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
441#define CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE
442#endif
443
444#ifdef CRYPTOPP_DISABLE_X86ASM          // for backwards compatibility: this macro had both meanings
445#define CRYPTOPP_DISABLE_ASM
446#define CRYPTOPP_DISABLE_SSE2
447#endif
448
449// Apple's Clang prior to 5.0 cannot handle SSE2 (and Apple does not use LLVM Clang numbering...)
450#if defined(CRYPTOPP_APPLE_CLANG_VERSION) && (CRYPTOPP_APPLE_CLANG_VERSION < 50000)
451# define CRYPTOPP_DISABLE_ASM
452#endif
453
454// Sun Studio 12 provides GCC inline assembly, http://blogs.oracle.com/x86be/entry/gcc_style_asm_inlining_support
455// We can enable SSE2 for Sun Studio in the makefile with -D__SSE2__, but users may not compile with it.
456#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(__SSE2__) && defined(__x86_64__) && (__SUNPRO_CC >= 0x5100)
457# define __SSE2__ 1
458#endif
459
460#if !defined(CRYPTOPP_DISABLE_ASM) && ((defined(_MSC_VER) && defined(_M_IX86)) || (defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))))
461        // C++Builder 2010 does not allow "call label" where label is defined within inline assembly
462        #define CRYPTOPP_X86_ASM_AVAILABLE
463
464        #if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || CRYPTOPP_GCC_VERSION >= 30300 || defined(__SSE2__))
465                #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1
466        #else
467                #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0
468        #endif
469
470        #if !defined(CRYPTOPP_DISABLE_SSE3) && (_MSC_VER >= 1500 || (defined(__SSE3__) && defined(__SSSE3__)))
471                #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 1
472        #else
473                #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 0
474        #endif
475#endif
476
477#if !defined(CRYPTOPP_DISABLE_ASM) && defined(_MSC_VER) && defined(_M_X64)
478        #define CRYPTOPP_X64_MASM_AVAILABLE
479#endif
480
481#if !defined(CRYPTOPP_DISABLE_ASM) && defined(__GNUC__) && defined(__x86_64__)
482        #define CRYPTOPP_X64_ASM_AVAILABLE
483#endif
484
485#if !defined(CRYPTOPP_DISABLE_ASM) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || defined(__SSE2__)) && !defined(_M_ARM)
486        #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 1
487#else
488        #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 0
489#endif
490
491// Intrinsics availible in GCC 4.3 (http://gcc.gnu.org/gcc-4.3/changes.html) and
492//   MSVC 2008 (http://msdn.microsoft.com/en-us/library/bb892950%28v=vs.90%29.aspx)
493//   SunCC could generate SSE4 at 12.1, but the intrinsics are missing until 12.4.
494#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_SSE4) && !defined(_M_ARM) && ((_MSC_VER >= 1500) || (defined(__SSE4_1__) && defined(__SSE4_2__)))
495        #define CRYPTOPP_BOOL_SSE4_INTRINSICS_AVAILABLE 1
496#else
497        #define CRYPTOPP_BOOL_SSE4_INTRINSICS_AVAILABLE 0
498#endif
499
500// Don't disgorge AES-NI from CLMUL. There will be two to four subtle breaks
501#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_AESNI) && !defined(_M_ARM) && (_MSC_FULL_VER >= 150030729 || __INTEL_COMPILER >= 1110 || (defined(__AES__) && defined(__PCLMUL__)))
502        #define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 1
503#else
504        #define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 0
505#endif
506
507// AVX2 in MSC 18.00
508#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_AVX) && !defined(_M_ARM) && ((_MSC_VER >= 1600) || (defined(__RDRND__) || defined(__RDSEED__) || defined(__AVX__)))
509        #define CRYPTOPP_BOOL_AVX_AVAILABLE 1
510#else
511        #define CRYPTOPP_BOOL_AVX_AVAILABLE 0
512#endif
513
514// Requires ARMv7 and ACLE 1.0. Testing shows ARMv7 is really ARMv7a under most toolchains.
515#if !defined(CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
516# if defined(__ARM_NEON__) || defined(__ARM_NEON) || defined(_M_ARM)
517#  define CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE 1
518# endif
519#endif
520
521// Requires ARMv8 and ACLE 2.0. For GCC, requires 4.8 and above.
522// Microsoft plans to support ARM-64, but its not clear how to detect it.
523// TODO: Add MSC_VER and ARM-64 platform define when available
524#if !defined(CRYPTOPP_BOOL_ARM_CRC32_INTRINSICS_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
525# if defined(__ARM_FEATURE_CRC32) || defined(_M_ARM64)
526#  define CRYPTOPP_BOOL_ARM_CRC32_INTRINSICS_AVAILABLE 1
527# endif
528#endif
529
530// Requires ARMv8 and ACLE 2.0. For GCC, requires 4.8 and above.
531// Microsoft plans to support ARM-64, but its not clear how to detect it.
532// TODO: Add MSC_VER and ARM-64 platform define when available
533#if !defined(CRYPTOPP_BOOL_ARM_CRYPTO_INTRINSICS_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
534# if defined(__ARM_FEATURE_CRYPTO) || defined(_M_ARM64)
535#  define CRYPTOPP_BOOL_ARM_CRYPTO_INTRINSICS_AVAILABLE 1
536# endif
537#endif
538
539#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || CRYPTOPP_BOOL_NEON_INTRINSICS_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
540        #define CRYPTOPP_BOOL_ALIGN16 1
541#else
542        #define CRYPTOPP_BOOL_ALIGN16 0
543#endif
544
545// how to allocate 16-byte aligned memory (for SSE2)
546#if defined(CRYPTOPP_MSVC6PP_OR_LATER)
547        #define CRYPTOPP_MM_MALLOC_AVAILABLE
548#elif defined(__APPLE__)
549        #define CRYPTOPP_APPLE_MALLOC_AVAILABLE
550#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
551        #define CRYPTOPP_MALLOC_ALIGNMENT_IS_16
552#elif defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
553        #define CRYPTOPP_MEMALIGN_AVAILABLE
554#else
555        #define CRYPTOPP_NO_ALIGNED_ALLOC
556#endif
557
558// Apple always provides 16-byte aligned, and tells us to use calloc
559// http://developer.apple.com/library/mac/documentation/Performance/Conceptual/ManagingMemory/Articles/MemoryAlloc.html
560
561// how to disable inlining
562#if defined(_MSC_VER) && _MSC_VER >= 1300
563#       define CRYPTOPP_NOINLINE_DOTDOTDOT
564#       define CRYPTOPP_NOINLINE __declspec(noinline)
565#elif defined(__GNUC__)
566#       define CRYPTOPP_NOINLINE_DOTDOTDOT
567#       define CRYPTOPP_NOINLINE __attribute__((noinline))
568#else
569#       define CRYPTOPP_NOINLINE_DOTDOTDOT ...
570#       define CRYPTOPP_NOINLINE
571#endif
572
573// How to declare class constants
574// Use enum for OS X 10.5 ld, http://github.com/weidai11/cryptopp/issues/255
575#if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__INTEL_COMPILER) || defined(__BORLANDC__)
576#       define CRYPTOPP_CONSTANT(x) enum {x};
577#else
578#       define CRYPTOPP_CONSTANT(x) static const int x;
579#endif
580
581// Linux provides X32, which is 32-bit integers, longs and pointers on x86_64 using the full x86_64 register set.
582// Detect via __ILP32__ (http://wiki.debian.org/X32Port). However, __ILP32__ shows up in more places than
583// the System V ABI specs calls out, like on just about any 32-bit system with Clang.
584#if ((__ILP32__ >= 1) || (_ILP32 >= 1)) && defined(__x86_64__)
585        #define CRYPTOPP_BOOL_X32 1
586#else
587        #define CRYPTOPP_BOOL_X32 0
588#endif
589
590// see http://predef.sourceforge.net/prearch.html
591#if (defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__)) && !CRYPTOPP_BOOL_X32
592        #define CRYPTOPP_BOOL_X86 1
593#else
594        #define CRYPTOPP_BOOL_X86 0
595#endif
596
597#if (defined(_M_X64) || defined(__x86_64__)) && !CRYPTOPP_BOOL_X32
598        #define CRYPTOPP_BOOL_X64 1
599#else
600        #define CRYPTOPP_BOOL_X64 0
601#endif
602
603// Undo the ASM and Intrinsic related defines due to X32.
604#if CRYPTOPP_BOOL_X32
605# undef CRYPTOPP_BOOL_X64
606# undef CRYPTOPP_X64_ASM_AVAILABLE
607# undef CRYPTOPP_X64_MASM_AVAILABLE
608#endif
609
610#if defined(__arm__) || defined(__aarch32__) || defined(_M_ARM)
611        #define CRYPTOPP_BOOL_ARM32 1
612#else
613        #define CRYPTOPP_BOOL_ARM32 0
614#endif
615
616// Microsoft plans to support ARM-64, but its not clear how to detect it.
617// TODO: Add MSC_VER and ARM-64 platform define when available
618#if defined(__arm64__) || defined(__aarch64__) || defined(_M_ARM64)
619        #define CRYPTOPP_BOOL_ARM64 1
620#else
621        #define CRYPTOPP_BOOL_ARM64 0
622#endif
623
624#if !defined(CRYPTOPP_NO_UNALIGNED_DATA_ACCESS) && !defined(CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS)
625#if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || defined(__powerpc__) || (__ARM_FEATURE_UNALIGNED >= 1))
626        #define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS
627#endif
628#endif
629
630// ***************** determine availability of OS features ********************
631
632#ifndef NO_OS_DEPENDENCE
633
634#if defined(_WIN32) || defined(__CYGWIN__)
635#define CRYPTOPP_WIN32_AVAILABLE
636#endif
637
638#if defined(__unix__) || defined(__MACH__) || defined(__NetBSD__) || defined(__sun)
639#define CRYPTOPP_UNIX_AVAILABLE
640#endif
641
642#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
643#define CRYPTOPP_BSD_AVAILABLE
644#endif
645
646#if defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE)
647#       define HIGHRES_TIMER_AVAILABLE
648#endif
649
650#ifdef CRYPTOPP_WIN32_AVAILABLE
651# if !defined(WINAPI_FAMILY)
652#       define THREAD_TIMER_AVAILABLE
653# elif defined(WINAPI_FAMILY)
654#   if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
655#         define THREAD_TIMER_AVAILABLE
656#  endif
657# endif
658#endif
659
660#ifdef CRYPTOPP_UNIX_AVAILABLE
661#       define HAS_BERKELEY_STYLE_SOCKETS
662#       define SOCKETS_AVAILABLE
663#endif
664
665// Sockets are only available under Windows Runtime desktop partition apps (despite the MSDN literature)
666#ifdef CRYPTOPP_WIN32_AVAILABLE
667# define HAS_WINDOWS_STYLE_SOCKETS
668# if !defined(WINAPI_FAMILY)
669#       define SOCKETS_AVAILABLE
670# elif defined(WINAPI_FAMILY)
671#   if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
672#         define SOCKETS_AVAILABLE
673#   endif
674# endif
675#endif
676
677#if defined(HAS_WINDOWS_STYLE_SOCKETS) && (!defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(PREFER_WINDOWS_STYLE_SOCKETS))
678#       define USE_WINDOWS_STYLE_SOCKETS
679#else
680#       define USE_BERKELEY_STYLE_SOCKETS
681#endif
682
683#if defined(CRYPTOPP_WIN32_AVAILABLE) && defined(SOCKETS_AVAILABLE) && !defined(USE_BERKELEY_STYLE_SOCKETS)
684#       define WINDOWS_PIPES_AVAILABLE
685#endif
686
687#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
688#       define NONBLOCKING_RNG_AVAILABLE
689#       define BLOCKING_RNG_AVAILABLE
690#       define OS_RNG_AVAILABLE
691#       define HAS_PTHREADS
692#       define THREADS_AVAILABLE
693#endif
694
695#if defined(CRYPTOPP_BSD_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE) || defined(__CYGWIN__)
696# define UNIX_SIGNALS_AVAILABLE 1
697#endif
698
699#ifdef CRYPTOPP_WIN32_AVAILABLE
700# if !defined(WINAPI_FAMILY)
701#       define HAS_WINTHREADS
702#       define THREADS_AVAILABLE
703#       define NONBLOCKING_RNG_AVAILABLE
704#       define OS_RNG_AVAILABLE
705# elif defined(WINAPI_FAMILY)
706#   if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
707#         define HAS_WINTHREADS
708#         define THREADS_AVAILABLE
709#         define NONBLOCKING_RNG_AVAILABLE
710#         define OS_RNG_AVAILABLE
711#   elif !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
712#     if ((WINVER >= 0x0A00 /*_WIN32_WINNT_WIN10*/) || (_WIN32_WINNT >= 0x0A00 /*_WIN32_WINNT_WIN10*/))
713#           define NONBLOCKING_RNG_AVAILABLE
714#           define OS_RNG_AVAILABLE
715#     endif
716#   endif
717# endif
718#endif
719
720#endif  // NO_OS_DEPENDENCE
721
722// ***************** DLL related ********************
723
724#if defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(CRYPTOPP_DOXYGEN_PROCESSING)
725
726#ifdef CRYPTOPP_EXPORTS
727#define CRYPTOPP_IS_DLL
728#define CRYPTOPP_DLL __declspec(dllexport)
729#elif defined(CRYPTOPP_IMPORTS)
730#define CRYPTOPP_IS_DLL
731#define CRYPTOPP_DLL __declspec(dllimport)
732#else
733#define CRYPTOPP_DLL
734#endif
735
736#define CRYPTOPP_API __cdecl
737
738#else   // not CRYPTOPP_WIN32_AVAILABLE
739
740#define CRYPTOPP_DLL
741#define CRYPTOPP_API
742
743#endif  // CRYPTOPP_WIN32_AVAILABLE
744
745#if defined(__MWERKS__)
746#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern class CRYPTOPP_DLL
747#elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
748#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
749#else
750#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern template class CRYPTOPP_DLL
751#endif
752
753#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_IMPORTS)
754#define CRYPTOPP_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
755#else
756#define CRYPTOPP_DLL_TEMPLATE_CLASS CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS
757#endif
758
759#if defined(__MWERKS__)
760#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern class
761#elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
762#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS template class
763#else
764#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern template class
765#endif
766
767#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_EXPORTS)
768#define CRYPTOPP_STATIC_TEMPLATE_CLASS template class
769#else
770#define CRYPTOPP_STATIC_TEMPLATE_CLASS CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS
771#endif
772
773// ************** Unused variable ***************
774
775// Portable way to suppress warnings.
776//   Moved from misc.h due to circular depenedencies.
777#define CRYPTOPP_UNUSED(x) ((void)(x))
778
779// ************** Deprecated ***************
780
781#if (CRYPTOPP_GCC_VERSION >= 40500) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20800)
782# define CRYPTOPP_DEPRECATED(msg) __attribute__((deprecated (msg)));
783#elif (CRYPTOPP_GCC_VERSION)
784# define CRYPTOPP_DEPRECATED(msg) __attribute__((deprecated));
785#else
786# define CRYPTOPP_DEPRECATED(msg)
787#endif
788
789// ***************** C++11 related ********************
790
791// Visual Studio began at VS2010, http://msdn.microsoft.com/en-us/library/hh567368%28v=vs.110%29.aspx.
792// Intel and C++11 language features, http://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler
793// GCC and C++11 language features, http://gcc.gnu.org/projects/cxx0x.html
794// Clang and C++11 language features, http://clang.llvm.org/cxx_status.html
795#if ((_MSC_VER >= 1600) || (__cplusplus >= 201103L)) && !defined(_STLPORT_VERSION)
796# define CRYPTOPP_CXX11 1
797#endif
798
799// Hack ahead. Apple's standard library does not have C++'s unique_ptr in C++11. We can't
800//   test for unique_ptr directly because some of the non-Apple Clangs on OS X fail the same
801//   way. However, modern standard libraries have <forward_list>, so we test for it instead.
802//   Thanks to Jonathan Wakely for devising the clever test for modern/ancient versions.
803// TODO: test under Xcode 3, where g++ is really g++.
804#if defined(__APPLE__) && defined(__clang__)
805#  if !(defined(__has_include) && __has_include(<forward_list>))
806#    undef CRYPTOPP_CXX11
807#  endif
808#endif
809
810// C++11 or C++14 is available
811#if defined(CRYPTOPP_CXX11)
812
813// atomics: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.1/3.2; Intel 13.0; SunCC 12.5.
814#if (CRYPTOPP_MSC_VERSION >= 1700)
815#  define CRYPTOPP_CXX11_ATOMICS 1
816#elif (__INTEL_COMPILER >= 1300)
817#  define CRYPTOPP_CXX11_ATOMICS 1
818#elif defined(__clang__)
819#  if __has_feature(cxx_atomic)
820#    define CRYPTOPP_CXX11_ATOMICS 1
821#  endif
822#elif (CRYPTOPP_GCC_VERSION >= 40400)
823#  define CRYPTOPP_CXX11_ATOMICS 1
824#elif (__SUNPRO_CC >= 0x5140)
825#  define CRYPTOPP_CXX11_ATOMICS 1
826#endif // atomics
827
828// synchronization: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.3; Xcode 5.0; Intel 12.0; SunCC 12.4.
829// TODO: verify Clang and Intel versions; find __has_feature(x) extension for Clang
830#if (CRYPTOPP_MSC_VERSION >= 1700)
831#  define CRYPTOPP_CXX11_SYNCHRONIZATION 1
832#elif (__INTEL_COMPILER >= 1200)
833#  define CRYPTOPP_CXX11_SYNCHRONIZATION 1
834#elif (CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 50000)
835#  define CRYPTOPP_CXX11_SYNCHRONIZATION 1
836#elif (CRYPTOPP_GCC_VERSION >= 40400)
837#  define CRYPTOPP_CXX11_SYNCHRONIZATION 1
838#elif (__SUNPRO_CC >= 0x5130)
839#  define CRYPTOPP_CXX11_SYNCHRONIZATION 1
840#endif // synchronization
841
842// alignof/alignas: MS at VS2015 (19.00); GCC at 4.8; Clang at 3.3; Intel 15.0; SunCC 12.4.
843#if (CRYPTOPP_MSC_VERSION >= 1900)
844#  define CRYPTOPP_CXX11_ALIGNAS 1
845#  define CRYPTOPP_CXX11_ALIGNOF 1
846#elif (__INTEL_COMPILER >= 1500)
847#  define CRYPTOPP_CXX11_ALIGNAS 1
848#  define CRYPTOPP_CXX11_ALIGNOF 1
849#elif defined(__clang__)
850#  if __has_feature(cxx_alignas)
851#  define CRYPTOPP_CXX11_ALIGNAS 1
852#  endif
853#  if __has_feature(cxx_alignof)
854#  define CRYPTOPP_CXX11_ALIGNOF 1
855#  endif
856#elif (CRYPTOPP_GCC_VERSION >= 40800)
857#  define CRYPTOPP_CXX11_ALIGNAS 1
858#  define CRYPTOPP_CXX11_ALIGNOF 1
859#elif (__SUNPRO_CC >= 0x5130)
860#  define CRYPTOPP_CXX11_ALIGNAS 1
861#  define CRYPTOPP_CXX11_ALIGNOF 1
862#endif // alignof/alignas
863
864// noexcept: MS at VS2015 (19.00); GCC at 4.6; Clang at 3.0; Intel 14.0; SunCC 12.4.
865#if (CRYPTOPP_MSC_VERSION >= 1900)
866#  define CRYPTOPP_CXX11_NOEXCEPT 1
867#elif (__INTEL_COMPILER >= 1400)
868#  define CRYPTOPP_CXX11_NOEXCEPT 1
869#elif defined(__clang__)
870#  if __has_feature(cxx_noexcept)
871#    define CRYPTOPP_CXX11_NOEXCEPT 1
872#  endif
873#elif (CRYPTOPP_GCC_VERSION >= 40600)
874#  define CRYPTOPP_CXX11_NOEXCEPT 1
875#elif (__SUNPRO_CC >= 0x5130)
876#  define CRYPTOPP_CXX11_NOEXCEPT 1
877#endif // noexcept compilers
878
879// variadic templates: MS at VS2013 (18.00); GCC at 4.3; Clang at 2.9; Intel 12.1; SunCC 12.4.
880#if (CRYPTOPP_MSC_VERSION >= 1800)
881#  define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
882#elif (__INTEL_COMPILER >= 1210)
883#  define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
884#elif defined(__clang__)
885#  if __has_feature(cxx_variadic_templates)
886#    define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
887#  endif
888#elif (CRYPTOPP_GCC_VERSION >= 40300)
889#  define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
890#elif (__SUNPRO_CC >= 0x5130)
891#  define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
892#endif // variadic templates
893
894// constexpr: MS at VS2015 (19.00); GCC at 4.6; Clang at 3.0; Intel 16.0; SunCC 12.4.
895// Intel has mis-supported the feature since at least ICPC 13.00
896#if (CRYPTOPP_MSC_VERSION >= 1900)
897#  define CRYPTOPP_CXX11_CONSTEXPR 1
898#elif (__INTEL_COMPILER >= 1600)
899#  define CRYPTOPP_CXX11_CONSTEXPR 1
900#elif defined(__clang__)
901#  if __has_feature(cxx_constexpr)
902#    define CRYPTOPP_CXX11_CONSTEXPR 1
903#  endif
904#elif (CRYPTOPP_GCC_VERSION >= 40600)
905#  define CRYPTOPP_CXX11_CONSTEXPR 1
906#elif (__SUNPRO_CC >= 0x5130)
907#  define CRYPTOPP_CXX11_CONSTEXPR 1
908#endif // constexpr compilers
909
910// TODO: Emplacement, R-values and Move semantics
911// Needed because we are catching warnings with GCC and MSC
912
913#endif // CRYPTOPP_CXX11
914
915#if defined(CRYPTOPP_CXX11_NOEXCEPT)
916#  define CRYPTOPP_THROW noexcept(false)
917#  define CRYPTOPP_NO_THROW noexcept(true)
918#else
919#  define CRYPTOPP_THROW
920#  define CRYPTOPP_NO_THROW
921#endif // CRYPTOPP_CXX11_NOEXCEPT
922
923#if defined(CRYPTOPP_CXX11_CONSTEXPR)
924#  define CRYPTOPP_CONSTEXPR constexpr
925#else
926#  define CRYPTOPP_CONSTEXPR
927#endif // CRYPTOPP_CXX11_CONSTEXPR
928
929// Hack... CRYPTOPP_ALIGN_DATA is defined earlier, before C++11 alignas availability is determined
930#if defined(CRYPTOPP_CXX11_ALIGNAS)
931# undef CRYPTOPP_ALIGN_DATA
932# define CRYPTOPP_ALIGN_DATA(x) alignas(x)
933#endif  // CRYPTOPP_CXX11_ALIGNAS
934
935// Hack... CRYPTOPP_CONSTANT is defined earlier, before C++11 constexpr availability is determined
936#if defined(CRYPTOPP_CXX11_CONSTEXPR)
937# undef CRYPTOPP_CONSTANT
938# define CRYPTOPP_CONSTANT(x) constexpr static int x;
939#endif
940
941// OK to comment the following out, but please report it so we can fix it.
942// C++17 value taken from http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4567.pdf.
943#if (defined(__cplusplus) && (__cplusplus >= 199711L) && (__cplusplus < 201402L)) && !defined(CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE)
944# error "std::uncaught_exception is not available. This is likely a configuration error."
945#endif
946
947#endif
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