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dds/tools/libsodium-config.h

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  1. #pragma once

  2. 

  3. // clang-format off

  4. 

  5. /**

  6.  * Header checks

  7.  */

  8. #if __has_include(<sys/mman.h>)

  9.     #define HAVE_SYS_MMAN_H 1

  10. #endif

  11. 

  12. #if __has_include(<sys/random.h>)

  13.     #define HAVE_SYS_RANDOM_H 1

  14. #endif

  15. 

  16. #if __has_include(<intrin.h>)

  17.     #define HAVE_INTRIN_H 1

  18. #endif

  19. 

  20. #if __has_include(<sys/auxv.h>)

  21.     #define HAVE_SYS_AUXV_H 1

  22. #endif

  23. 

  24. /**

  25.  * Architectural checks for intrinsics

  26.  */

  27. #if __has_include(<mmintrin.h>) && __MMX__

  28.     #define HAVE_MMINTRIN_H 1

  29. #endif

  30. 

  31. #if __has_include(<emmintrin.h>) && __SSE2__

  32.     #define HAVE_EMMINTRIN_H 1

  33. #endif

  34. 

  35. #if __SSE3__

  36.     #if __has_include(<pmmintrin.h>)

  37.         #define HAVE_PMMINTRIN_H 1

  38.     #endif

  39.     #if __has_include(<tmmintrin.h>)

  40.         #define HAVE_TMMINTRIN_H 1

  41.     #endif

  42. #endif

  43. 

  44. #if __has_include(<smmintrin.h>) && __SSE4_1__

  45.     #define HAVE_SMMINTRIN_H

  46. #endif

  47. 

  48. #if __has_include(<immintrin.h>)

  49.     #if __AVX__

  50.         #define HAVE_AVXINTRIN_H

  51.     #endif

  52.     #if __AVX2__

  53.         #define HAVE_AVX2INTRIN_H

  54.     #endif

  55.     #if __AVX512F__

  56.         #if defined(__clang__) && __clang_major__ < 4

  57.             // AVX512 may be broken

  58.         #elif defined(__GNUC__) && __GNUC__ < 6

  59.             // ''

  60.         #else

  61.             #define HAVE_AVX512FINTRIN_H

  62.         #endif

  63.     #endif

  64. #endif

  65. 

  66. #if __has_include(<wmmintrin.h>) && __AES__

  67.     #define HAVE_WMMINTRIN_H 1

  68. #endif

  69. 

  70. #if __RDRND__

  71.     #define HAVE_RDRAND

  72. #endif

  73. 

  74. /**

  75.  * Detect mman APIs

  76.  */

  77. #if __has_include(<sys/mman.h>)

  78.     #define HAVE_MMAP 1

  79.     #define HAVE_MPROTECT 1

  80.     #define HAVE_MLOCK 1

  81. 

  82.     #if defined(_DEFAULT_SOURCE) || defined(_BSD_SOURCE)

  83.         #define HAVE_MADVISE 1

  84.     #endif

  85. #endif

  86. 

  87. #if __has_include(<sys/random.h>)

  88.     #define HAVE_GETRANDOM 1

  89. #endif

  90. 

  91. /**

  92.  * POSIX-Only stuff

  93.  */

  94. #if __has_include(<unistd.h>)

  95.     #if defined(_DEFAULT_SOURCE)

  96.         #define HAVE_GETENTROPY 1

  97.     #endif

  98. 

  99.     /**

  100.      * Default POSIX APIs

  101.      */

  102.     #define HAVE_POSIX_MEMALIGN 1

  103.     #define HAVE_GETPID 1

  104.     #define HAVE_NANOSLEEP 1

  105. 

  106.     /**

  107.      * Language/library features from C11

  108.      */

  109.     #if __STDC_VERSION__ >= 201112L

  110.         #define HAVE_MEMSET_S 1

  111.     #endif

  112. 

  113.     #if __linux__

  114.         #define HAVE_EXPLICIT_BZERO 1

  115.     #endif

  116. #endif

  117. 

  118. /**

  119.  * Miscellaneous

  120.  */

  121. #if __has_include(<pthread.h>)

  122.     #define HAVE_PTHREAD 1

  123. #endif

  124. 

  125. #if __has_include(<sys/param.h>)

  126.     #include <sys/param.h>

  127.     #if __BYTE_ORDER == __BIG_ENDIAN

  128.         #define NATIVE_BIG_ENDIAN 1

  129.     #elif __BYTE_ORDER == __LITTLE_ENDIAN

  130.         #define NATIVE_LITTLE_ENDIAN 1

  131.     #else

  132.         #error "Unknown endianness for this platform."

  133.     #endif

  134. #elif defined(_MSVC)

  135.     // At time of writing, MSVC only targets little-endian.

  136.     #define NATIVE_LITTLE_ENDIAN 1

  137. #else

  138.     #error "Unknown endianness for this platform."

  139. #endif

  140. 

  141. #define CONFIGURED 1