gcc/testsuite/gcc.dg/builtins-config.h

   1 /* Copyright (C) 2003, 2004, 2005, 2006, 2009, 2011, 2012, 2019
   2    Free Software Foundation.
   3
   4    Define macros useful in tests for bulitin functions.  */
   5
   6 /* Define HAVE_C99_RUNTIME if the entire C99 runtime is available on
   7    the target system.  The value of HAVE_C99_RUNTIME should be the
   8    same as the value of TARGET_C99_FUNCTIONS in the GCC machine
   9    description.  (Perhaps GCC should predefine a special macro
  10    indicating whether or not TARGET_C99_FUNCTIONS is set, but it does
  11    not presently do that.)  */
  12
  13 #if defined(__hppa) && defined(__hpux)
  14 /* PA HP-UX doesn't have the entire C99 runtime.  */
  15 #elif defined(__INTERIX)
  16 /* Interix6 doesn't have the entire C99 runtime.  */
  17 #elif defined(__AVR__)
  18 /* AVR doesn't have the entire C99 runtime.  */
  19 #elif defined(__FreeBSD__) && (__FreeBSD__ < 9)
  20 /* FreeBSD up to version 8 lacks support for cexp and friends.  */
  21 #elif defined(__vxworks)
  22 /* VxWorks doesn't have a full C99 time.  (cabs is missing, for example.)  */
  23 #elif defined (__BPF__)
  24 /* No chance for eBPF to support C99 functions.  */
  25 #elif defined(_WIN32) && !defined(__CYGWIN__)
  26 /* Windows doesn't have the entire C99 runtime.  */
  27 #elif (defined(__APPLE__) && defined(__ppc__) \
  28        && ! defined (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__))
  29 /* MacOS versions before 10.3 don't have many C99 functions.
  30    But, if you're including this file, you probably want to test the
  31    newer behavior, so: */
  32 #error forgot to set -mmacosx-version-min.
  33 #elif (defined(__APPLE__) && defined(__ppc__) \
  34        && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1030)
  35 /* MacOS versions before 10.3 don't have many C99 functions.  */
  36 #else
  37 /* Newlib has the "f" variants of the math functions, but not the "l"
  38    variants.  TARGET_C99_FUNCTIONS is only defined if all C99
  39    functions are present.  Therefore, on systems using newlib, tests
  40    of builtins will fail the "l" variants, and we should therefore not
  41    define HAVE_C99_RUNTIME.  Including <sys/types.h> gives us a way of
  42    seeing if _NEWLIB_VERSION is defined.  Including <math.h> would work
  43    too, but the GLIBC math inlines cause us to generate inferior code,
  44    which causes the test to fail, so it is not safe.  Including <limits.h>
  45    also fails because the include search paths are ordered such that GCC's
  46    version will be found before the newlib version.  Similarly, uClibc
  47    lacks the C99 functions.  */
  48 #include <sys/types.h>
  49 #if defined(_NEWLIB_VERSION) || defined(__UCLIBC__)
  50 #elif defined(__sun) && __STDC_VERSION__ - 0 < 199901L
  51 /* If you're including this file, you probably want to test the newer
  52    behavior, so ensure the right flags were used for each test: */
  53 #error forgot to set -std=c99.
  54 #elif defined(__sun) && ! defined (_STDC_C99)
  55 /* Solaris up to 9 doesn't have the entire C99 runtime.
  56    Solaris 10 defines _STDC_C99 if __STDC_VERSION__ is >= 199901L.
  57    This macro is defined in <sys/feature_tests.h> which is included by
  58    various system headers, in this case <sys/types.h> above.  */
  59 #else
  60 #define HAVE_C99_RUNTIME
  61 #endif
  62 #endif