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RIOT/cpu/msp430_common/include/sys/features.h 16.2 KB
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  /*
   *  Written by Joel Sherrill <joel@OARcorp.com>.
   *
   *  COPYRIGHT (c) 1989-2014.
   *
   *  On-Line Applications Research Corporation (OAR).
   *
   *  Permission to use, copy, modify, and distribute this software for any
   *  purpose without fee is hereby granted, provided that this entire notice
   *  is included in all copies of any software which is or includes a copy
   *  or modification of this software.
   *
   *  THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
   *  WARRANTY.  IN PARTICULAR,  THE AUTHOR MAKES NO REPRESENTATION
   *  OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
   *  SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
   *
   *  $Id$
   */
  
  /* This file was imported into RIOT from newlib 2.3.0 */
  
  #ifndef SYS_FEATURES_H
  #define SYS_FEATURES_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* Macro to test version of GCC.  Returns 0 for non-GCC or too old GCC. */
  #ifndef __GNUC_PREREQ
  # if defined __GNUC__ && defined __GNUC_MINOR__
  #  define __GNUC_PREREQ(maj, min) \
      ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
  # else
  #  define __GNUC_PREREQ(maj, min) 0
  # endif
  #endif /* __GNUC_PREREQ */
  /* Version with trailing underscores for BSD compatibility. */
  #define __GNUC_PREREQ__(ma, mi) __GNUC_PREREQ(ma, mi)
  
  
  /*
   * Feature test macros control which symbols are exposed by the system
   * headers.  Any of these must be defined before including any headers.
   *
   * __STRICT_ANSI__ (defined by gcc -ansi, -std=c90, -std=c99, or -std=c11)
   *  ISO C
   *
   * _POSIX_SOURCE (deprecated by _POSIX_C_SOURCE=1)
   * _POSIX_C_SOURCE >= 1
   *  POSIX.1-1990
   *
   * _POSIX_C_SOURCE >= 2
   *  POSIX.2-1992
   *
   * _POSIX_C_SOURCE >= 199309L
   *  POSIX.1b-1993 Real-time extensions
   *
   * _POSIX_C_SOURCE >= 199506L
   *  POSIX.1c-1995 Threads extensions
   *
   * _POSIX_C_SOURCE >= 200112L
   *  POSIX.1-2001 and C99
   *
   * _POSIX_C_SOURCE >= 200809L
   *  POSIX.1-2008
   *
   * _XOPEN_SOURCE
   *  POSIX.1-1990 and XPG4
   *
   * _XOPEN_SOURCE_EXTENDED
   *  SUSv1 (POSIX.2-1992 plus XPG4v2)
   *
   * _XOPEN_SOURCE >= 500
   *  SUSv2 (POSIX.1c-1995 plus XSI)
   *
   * _XOPEN_SOURCE >= 600
   *  SUSv3 (POSIX.1-2001 plus XSI) and C99
   *
   * _XOPEN_SOURCE >= 700
   *  SUSv4 (POSIX.1-2008 plus XSI)
   *
   * _ISOC99_SOURCE or gcc -std=c99 or g++
   *  ISO C99
   *
   * _ISOC11_SOURCE or gcc -std=c11 or g++ -std=c++11
   *  ISO C11
   *
   * _ATFILE_SOURCE (implied by _POSIX_C_SOURCE >= 200809L)
   *  "at" functions
   *
   * _LARGEFILE_SOURCE (deprecated by _XOPEN_SOURCE >= 500)
   *  fseeko, ftello
   *
   * _GNU_SOURCE
   *  All of the above plus GNU extensions
   *
   * _BSD_SOURCE (deprecated by _DEFAULT_SOURCE)
   * _SVID_SOURCE (deprecated by _DEFAULT_SOURCE)
   * _DEFAULT_SOURCE (or none of the above)
   *  POSIX-1.2008 with BSD and SVr4 extensions
   */
  
  #ifdef _GNU_SOURCE
  #undef _ATFILE_SOURCE
  #define _ATFILE_SOURCE      1
  #undef  _DEFAULT_SOURCE
  #define _DEFAULT_SOURCE     1
  #undef _ISOC99_SOURCE
  #define _ISOC99_SOURCE      1
  #undef _ISOC11_SOURCE
  #define _ISOC11_SOURCE      1
  #undef _POSIX_SOURCE
  #define _POSIX_SOURCE       1
  #undef _POSIX_C_SOURCE
  #define _POSIX_C_SOURCE     200809L
  #undef _XOPEN_SOURCE
  #define _XOPEN_SOURCE       700
  #undef _XOPEN_SOURCE_EXTENDED
  #define _XOPEN_SOURCE_EXTENDED  1
  #endif /* _GNU_SOURCE */
  
  #if defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
     (!defined(__STRICT_ANSI__) && !defined(_ANSI_SOURCE) && \
     !defined(_ISOC99_SOURCE) && !defined(_POSIX_SOURCE) && \
     !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE))
  #undef _DEFAULT_SOURCE
  #define _DEFAULT_SOURCE     1
  #endif
  
  #if defined(_DEFAULT_SOURCE)
  #undef _POSIX_SOURCE
  #define _POSIX_SOURCE       1
  #undef _POSIX_C_SOURCE
  #define _POSIX_C_SOURCE     200809L
  #endif
  
  #if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
    ((!defined(__STRICT_ANSI__) && !defined(_ANSI_SOURCE)) || \
     (_XOPEN_SOURCE - 0) >= 500)
  #define _POSIX_SOURCE       1
  #if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 700
  #define _POSIX_C_SOURCE     200809L
  #elif (_XOPEN_SOURCE - 0) >= 600
  #define _POSIX_C_SOURCE     200112L
  #elif (_XOPEN_SOURCE - 0) >= 500
  #define _POSIX_C_SOURCE     199506L
  #elif (_XOPEN_SOURCE - 0) < 500
  #define _POSIX_C_SOURCE     2
  #endif
  #endif
  
  #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200809
  #undef _ATFILE_SOURCE
  #define _ATFILE_SOURCE      1
  #endif
  
  /*
   * The following private macros are used throughout the headers to control
   * which symbols should be exposed.  They are for internal use only, as
   * indicated by the leading double underscore, and must never be used outside
   * of these headers.
   *
   * __POSIX_VISIBLE
   *  any version of POSIX.1; enabled by default, or with _POSIX_SOURCE,
   *  any value of _POSIX_C_SOURCE, or _XOPEN_SOURCE >= 500.
   *
   * __POSIX_VISIBLE >= 2
   *  POSIX.2-1992; enabled by default, with _POSIX_C_SOURCE >= 2,
   *  or _XOPEN_SOURCE >= 500.
   *
   * __POSIX_VISIBLE >= 199309
   *  POSIX.1b-1993; enabled by default, with _POSIX_C_SOURCE >= 199309L,
   *  or _XOPEN_SOURCE >= 500.
   *
   * __POSIX_VISIBLE >= 199506
   *  POSIX.1c-1995; enabled by default, with _POSIX_C_SOURCE >= 199506L,
   *  or _XOPEN_SOURCE >= 500.
   *
   * __POSIX_VISIBLE >= 200112
   *  POSIX.1-2001; enabled by default, with _POSIX_C_SOURCE >= 200112L,
   *  or _XOPEN_SOURCE >= 600.
   *
   * __POSIX_VISIBLE >= 200809
   *  POSIX.1-2008; enabled by default, with _POSIX_C_SOURCE >= 200809L,
   *  or _XOPEN_SOURCE >= 700.
   *
   * __XSI_VISIBLE
   *  XPG4 XSI extensions; enabled with any version of _XOPEN_SOURCE.
   *
   * __XSI_VISIBLE >= 4
   *  SUSv1 XSI extensions; enabled with both _XOPEN_SOURCE and
   *  _XOPEN_SOURCE_EXTENDED together.
   *
   * __XSI_VISIBLE >= 500
   *  SUSv2 XSI extensions; enabled with _XOPEN_SOURCE >= 500.
   *
   * __XSI_VISIBLE >= 600
   *  SUSv3 XSI extensions; enabled with _XOPEN_SOURCE >= 600.
   *
   * __XSI_VISIBLE >= 700
   *  SUSv4 XSI extensions; enabled with _XOPEN_SOURCE >= 700.
   *
   * __ISO_C_VISIBLE >= 1999
   *  ISO C99; enabled with gcc -std=c99 or newer (on by default since GCC 5),
   *  any version of C++, or with _ISOC99_SOURCE, _POSIX_C_SOURCE >= 200112L,
   *  or _XOPEN_SOURCE >= 600.
   *
   * __ISO_C_VISIBLE >= 2011
   *  ISO C11; enabled with gcc -std=c11 or newer (on by default since GCC 5),
   *  g++ -std=c++11 or newer (on by default since GCC 6), or with
   *  _ISOC11_SOURCE.
   *
   * __ATFILE_VISIBLE
   *  "at" functions; enabled by default, with _ATFILE_SOURCE,
   *  _POSIX_C_SOURCE >= 200809L, or _XOPEN_SOURCE >= 700.
   *
   * __LARGEFILE_VISIBLE
   *  fseeko, ftello; enabled with _LARGEFILE_SOURCE or _XOPEN_SOURCE >= 500.
   *
   * __BSD_VISIBLE
   *  BSD extensions; enabled by default, or with _BSD_SOURCE.
   *
   * __SVID_VISIBLE
   *  SVr4 extensions; enabled by default, or with _SVID_SOURCE.
   *
   * __MISC_VISIBLE
   *  Extensions found in both BSD and SVr4 (shorthand for
   *  (__BSD_VISIBLE || __SVID_VISIBLE)), or newlib-specific
   *  extensions; enabled by default.
   *
   * __GNU_VISIBLE
   *  GNU extensions; enabled with _GNU_SOURCE.
   *
   * In all cases above, "enabled by default" means either by defining
   * _DEFAULT_SOURCE, or by not defining any of the public feature test macros.
   * Defining _GNU_SOURCE makes all of the above avaliable.
   */
  
  #ifdef _ATFILE_SOURCE
  #define __ATFILE_VISIBLE    1
  #else
  #define __ATFILE_VISIBLE    0
  #endif
  
  #ifdef _DEFAULT_SOURCE
  #define __BSD_VISIBLE       1
  #else
  #define __BSD_VISIBLE       0
  #endif
  
  #ifdef _GNU_SOURCE
  #define __GNU_VISIBLE       1
  #else
  #define __GNU_VISIBLE       0
  #endif
  
  #if defined(_ISOC11_SOURCE) || \
    (__STDC_VERSION__ - 0) >= 201112L || (__cplusplus - 0) >= 201103L
  #define __ISO_C_VISIBLE     2011
  #elif defined(_ISOC99_SOURCE) || (_POSIX_C_SOURCE - 0) >= 200112L || \
    (__STDC_VERSION__ - 0) >= 199901L || defined(__cplusplus)
  #define __ISO_C_VISIBLE     1999
  #else
  #define __ISO_C_VISIBLE     1990
  #endif
  
  #if defined(_LARGEFILE_SOURCE) || (_XOPEN_SOURCE - 0) >= 500
  #define __LARGEFILE_VISIBLE 1
  #else
  #define __LARGEFILE_VISIBLE 0
  #endif
  
  #ifdef _DEFAULT_SOURCE
  #define __MISC_VISIBLE      1
  #else
  #define __MISC_VISIBLE      0
  #endif
  
  #if (_POSIX_C_SOURCE - 0) >= 200809L
  #define __POSIX_VISIBLE     200809
  #elif (_POSIX_C_SOURCE - 0) >= 200112L
  #define __POSIX_VISIBLE     200112
  #elif (_POSIX_C_SOURCE - 0) >= 199506L
  #define __POSIX_VISIBLE     199506
  #elif (_POSIX_C_SOURCE - 0) >= 199309L
  #define __POSIX_VISIBLE     199309
  #elif (_POSIX_C_SOURCE - 0) >= 2 || defined(_XOPEN_SOURCE)
  #define __POSIX_VISIBLE     199209
  #elif defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE)
  #define __POSIX_VISIBLE     199009
  #else
  #define __POSIX_VISIBLE     0
  #endif
  
  #ifdef _DEFAULT_SOURCE
  #define __SVID_VISIBLE      1
  #else
  #define __SVID_VISIBLE      0
  #endif
  
  #if (_XOPEN_SOURCE - 0) >= 700
  #define __XSI_VISIBLE       700
  #elif (_XOPEN_SOURCE - 0) >= 600
  #define __XSI_VISIBLE       600
  #elif (_XOPEN_SOURCE - 0) >= 500
  #define __XSI_VISIBLE       500
  #elif defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)
  #define __XSI_VISIBLE       4
  #elif defined(_XOPEN_SOURCE)
  #define __XSI_VISIBLE       1
  #else
  #define __XSI_VISIBLE       0
  #endif
  
  /* RTEMS adheres to POSIX -- 1003.1b with some features from annexes.  */
  
  #ifdef __rtems__
  #define _POSIX_JOB_CONTROL          1
  #define _POSIX_SAVED_IDS            1
  #define _POSIX_VERSION          199309L
  #define _POSIX_ASYNCHRONOUS_IO      1
  #define _POSIX_FSYNC            1
  #define _POSIX_MAPPED_FILES     1
  #define _POSIX_MEMLOCK          1
  #define _POSIX_MEMLOCK_RANGE        1
  #define _POSIX_MEMORY_PROTECTION    1
  #define _POSIX_MESSAGE_PASSING      1
  #define _POSIX_MONOTONIC_CLOCK      200112L
  #define _POSIX_PRIORITIZED_IO       1
  #define _POSIX_PRIORITY_SCHEDULING  1
  #define _POSIX_REALTIME_SIGNALS     1
  #define _POSIX_SEMAPHORES       1
  /* #define _POSIX_SHARED_MEMORY_OBJECTS 1 */
  #define _POSIX_SYNCHRONIZED_IO      1
  #define _POSIX_TIMERS           1
  #define _POSIX_BARRIERS                 200112L
  #define _POSIX_READER_WRITER_LOCKS      200112L
  #define _POSIX_SPIN_LOCKS               200112L
  
  
  /* In P1003.1b but defined by drafts at least as early as P1003.1c/D10  */
  #define _POSIX_THREADS              1
  #define _POSIX_THREAD_ATTR_STACKADDR        1
  #define _POSIX_THREAD_ATTR_STACKSIZE        1
  #define _POSIX_THREAD_PRIORITY_SCHEDULING   1
  #define _POSIX_THREAD_PRIO_INHERIT      1
  #define _POSIX_THREAD_PRIO_PROTECT      1
  #define _POSIX_THREAD_PROCESS_SHARED        1
  #define _POSIX_THREAD_SAFE_FUNCTIONS        1
  
  /* P1003.4b/D8 defines the constants below this comment. */
  #define _POSIX_SPAWN                1
  #define _POSIX_TIMEOUTS             1
  #define _POSIX_CPUTIME              1
  #define _POSIX_THREAD_CPUTIME           1
  #define _POSIX_SPORADIC_SERVER          1
  #define _POSIX_THREAD_SPORADIC_SERVER       1
  #define _POSIX_DEVICE_CONTROL           1
  #define _POSIX_DEVCTL_DIRECTION         1
  #define _POSIX_INTERRUPT_CONTROL        1
  #define _POSIX_ADVISORY_INFO            1
  
  /* UNIX98 added some new pthread mutex attributes */
  #define _UNIX98_THREAD_MUTEX_ATTRIBUTES         1
  
  #endif
  
  /* XMK loosely adheres to POSIX -- 1003.1 */
  #ifdef __XMK__
  #define _POSIX_THREADS              1
  #define _POSIX_THREAD_PRIORITY_SCHEDULING   1
  #endif
  
  
  #ifdef __svr4__
  # define _POSIX_JOB_CONTROL     1
  # define _POSIX_SAVED_IDS       1
  # define _POSIX_VERSION 199009L
  #endif
  
  #ifdef __CYGWIN__
  
  #if __POSIX_VISIBLE >= 200809
  #define _POSIX_VERSION              200809L
  #define _POSIX2_VERSION             200809L
  #elif __POSIX_VISIBLE >= 200112
  #define _POSIX_VERSION              200112L
  #define _POSIX2_VERSION             200112L
  #elif __POSIX_VISIBLE >= 199506
  #define _POSIX_VERSION              199506L
  #define _POSIX2_VERSION             199506L
  #elif __POSIX_VISIBLE >= 199309
  #define _POSIX_VERSION              199309L
  #define _POSIX2_VERSION             199209L
  #elif __POSIX_VISIBLE >= 199209
  #define _POSIX_VERSION              199009L
  #define _POSIX2_VERSION             199209L
  #elif __POSIX_VISIBLE
  #define _POSIX_VERSION              199009L
  #endif
  #if __XSI_VISIBLE >= 4
  #define _XOPEN_VERSION              __XSI_VISIBLE
  #endif
  
  #define _POSIX_ADVISORY_INFO            200809L
  /* #define _POSIX_ASYNCHRONOUS_IO           -1 */
  #define _POSIX_BARRIERS             200809L
  #define _POSIX_CHOWN_RESTRICTED              1
  #define _POSIX_CLOCK_SELECTION          200809L
  #define _POSIX_CPUTIME              200809L
  #define _POSIX_FSYNC                200809L
  #define _POSIX_IPV6             200809L
  #define _POSIX_JOB_CONTROL               1
  #define _POSIX_MAPPED_FILES         200809L
  /* #define _POSIX_MEMLOCK               -1 */
  #define _POSIX_MEMLOCK_RANGE            200809L
  #define _POSIX_MEMORY_PROTECTION        200809L
  #define _POSIX_MESSAGE_PASSING          200809L
  #define _POSIX_MONOTONIC_CLOCK          200809L
  #define _POSIX_NO_TRUNC                  1
  /* #define _POSIX_PRIORITIZED_IO            -1 */
  #define _POSIX_PRIORITY_SCHEDULING      200809L
  #define _POSIX_RAW_SOCKETS          200809L
  #define _POSIX_READER_WRITER_LOCKS      200809L
  #define _POSIX_REALTIME_SIGNALS         200809L
  #define _POSIX_REGEXP                    1
  #define _POSIX_SAVED_IDS                 1
  #define _POSIX_SEMAPHORES           200809L
  #define _POSIX_SHARED_MEMORY_OBJECTS        200809L
  #define _POSIX_SHELL                     1
  #define _POSIX_SPAWN                200809L
  #define _POSIX_SPIN_LOCKS           200809L
  /* #define _POSIX_SPORADIC_SERVER           -1 */
  #define _POSIX_SYNCHRONIZED_IO          200809L
  #define _POSIX_THREAD_ATTR_STACKADDR        200809L
  #define _POSIX_THREAD_ATTR_STACKSIZE        200809L
  #define _POSIX_THREAD_CPUTIME           200809L
  /* #define _POSIX_THREAD_PRIO_INHERIT           -1 */
  /* #define _POSIX_THREAD_PRIO_PROTECT           -1 */
  #define _POSIX_THREAD_PRIORITY_SCHEDULING   200809L
  #define _POSIX_THREAD_PROCESS_SHARED        200809L
  #define _POSIX_THREAD_SAFE_FUNCTIONS        200809L
  /* #define _POSIX_THREAD_SPORADIC_SERVER        -1 */
  #define _POSIX_THREADS              200809L
  /* #define _POSIX_TIMEOUTS              -1 */
  #define _POSIX_TIMERS               200809L
  /* #define _POSIX_TRACE                 -1 */
  /* #define _POSIX_TRACE_EVENT_FILTER            -1 */
  /* #define _POSIX_TRACE_INHERIT             -1 */
  /* #define _POSIX_TRACE_LOG             -1 */
  /* #define _POSIX_TYPED_MEMORY_OBJECTS          -1 */
  #define _POSIX_VDISABLE                '\0'
  
  #if __POSIX_VISIBLE >= 2
  #define _POSIX2_C_VERSION           _POSIX2_VERSION
  #define _POSIX2_C_BIND              _POSIX2_VERSION
  #define _POSIX2_C_DEV               _POSIX2_VERSION
  #define _POSIX2_CHAR_TERM           _POSIX2_VERSION
  /* #define _POSIX2_FORT_DEV             -1 */
  /* #define _POSIX2_FORT_RUN             -1 */
  /* #define _POSIX2_LOCALEDEF                -1 */
  /* #define _POSIX2_PBS                  -1 */
  /* #define _POSIX2_PBS_ACCOUNTING           -1 */
  /* #define _POSIX2_PBS_CHECKPOINT           -1 */
  /* #define _POSIX2_PBS_LOCATE               -1 */
  /* #define _POSIX2_PBS_MESSAGE              -1 */
  /* #define _POSIX2_PBS_TRACK                -1 */
  #define _POSIX2_SW_DEV              _POSIX2_VERSION
  #define _POSIX2_UPE             _POSIX2_VERSION
  #endif /* __POSIX_VISIBLE >= 2 */
  
  #define _POSIX_V6_ILP32_OFF32               -1
  #ifdef __LP64__
  #define _POSIX_V6_ILP32_OFFBIG              -1
  #define _POSIX_V6_LP64_OFF64                 1
  #define _POSIX_V6_LPBIG_OFFBIG               1
  #else
  #define _POSIX_V6_ILP32_OFFBIG               1
  #define _POSIX_V6_LP64_OFF64                -1
  #define _POSIX_V6_LPBIG_OFFBIG              -1
  #endif
  #define _POSIX_V7_ILP32_OFF32           _POSIX_V6_ILP32_OFF32
  #define _POSIX_V7_ILP32_OFFBIG          _POSIX_V6_ILP32_OFFBIG
  #define _POSIX_V7_LP64_OFF64            _POSIX_V6_LP64_OFF64
  #define _POSIX_V7_LPBIG_OFFBIG          _POSIX_V6_LPBIG_OFFBIG
  #define _XBS5_ILP32_OFF32           _POSIX_V6_ILP32_OFF32
  #define _XBS5_ILP32_OFFBIG          _POSIX_V6_ILP32_OFFBIG
  #define _XBS5_LP64_OFF64            _POSIX_V6_LP64_OFF64
  #define _XBS5_LPBIG_OFFBIG          _POSIX_V6_LPBIG_OFFBIG
  
  #if __XSI_VISIBLE
  #define _XOPEN_CRYPT                     1
  #define _XOPEN_ENH_I18N                  1
  /* #define _XOPEN_LEGACY                -1 */
  /* #define _XOPEN_REALTIME              -1 */
  /* #define _XOPEN_REALTIME_THREADS          -1 */
  #define _XOPEN_SHM                   1
  /* #define _XOPEN_STREAMS               -1 */
  /* #define _XOPEN_UNIX                  -1 */
  #endif /* __XSI_VISIBLE */
  
  /* The value corresponds to UNICODE version 4.0, which is the version
     supported by XP.  Newlib supports 5.2 (2011) but so far Cygwin needs
     the MS conversions for double-byte charsets. */
  #define __STDC_ISO_10646__ 200305L
  
  #endif /* __CYGWIN__ */
  
  #ifdef __cplusplus
  }
  #endif
  #endif /* SYS_FEATURES_H */