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

   1 /* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation.
   2
   3    Define macros useful in tests for bulitin functions.  */
   4
   5 /* Define HAVE_C99_RUNTIME if the entire C99 runtime is available on
   6    the target system.  The value of HAVE_C99_RUNTIME should be the
   7    same as the value of TARGET_C99_FUNCTIONS in the GCC machine
   8    description.  (Perhaps GCC should predefine a special macro
   9    indicating whether or not TARGET_C99_FUNCTIONS is set, but it does
  10    not presently do that.)  */
  11
  12 #if defined(__hppa) && defined(__hpux)
  13 /* PA HP-UX doesn't have the entire C99 runtime.  */
  14 #elif defined(__sgi)
  15 /* Irix6 doesn't have the entire C99 runtime.  */
  16 #elif defined(AVR)
  17 /* AVR doesn't have the entire C99 runtime.  */
  18 #elif defined(__FreeBSD__) && (__FreeBSD__ < 5)
  19 /* FreeBSD before version 5 doesn't have the entire C99 runtime. */
  20 #elif defined(__netware__)
  21 /* NetWare doesn't have the entire C99 runtime.  */
  22 #elif defined(__vxworks)
  23 /* VxWorks doesn't have a full C99 time.  (cabs is missing, for example.)  */
  24 #elif defined(_WIN32) && !defined(__CYGWIN__)
  25 /* Windows doesn't have the entire C99 runtime.  */
  26 #elif (defined(__APPLE__) && defined(__ppc__) \
  27        && ! defined (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__))
  28 /* MacOS versions before 10.3 don't have many C99 functions.
  29    But, if you're including this file, you probably want to test the
  30    newer behaviour, so: */
  31 #error forgot to set -mmacosx-version-min.
  32 #elif (defined(__APPLE__) && defined(__ppc__) \
  33        && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1030)
  34 /* MacOS versions before 10.3 don't have many C99 functions.  */
  35 #else
  36 /* Newlib has the "f" variants of the math functions, but not the "l"
  37    variants.  TARGET_C99_FUNCTIONS is only defined if all C99
  38    functions are present.  Therefore, on systems using newlib, tests
  39    of builtins will fail the "l" variants, and we should therefore not
  40    define HAVE_C99_RUNTIME.  Including <sys/types.h> gives us a way of
  41    seeing if _NEWLIB_VERSION is defined.  Including <math.h> would work
  42    too, but the GLIBC math inlines cause us to generate inferior code,
  43    which causes the test to fail, so it is not safe.  Including <limits.h>
  44    also fails because the include search paths are ordered such that GCC's
  45    version will be found before the newlib version.  Similarly, uClibc
  46    lacks the C99 functions.  */
  47 #include <sys/types.h>
  48 #if defined(_NEWLIB_VERSION) || defined(__UCLIBC__)
  49 #elif defined(__sun) && __STDC_VERSION__ - 0 < 199901L
  50 /* If you're including this file, you probably want to test the newer
  51    behaviour, so ensure the right flags were used for each test: */
  52 #error forgot to set -std=c99.
  53 #elif defined(__sun) && ! defined (_STDC_C99)
  54 /* Solaris up to 9 doesn't have the entire C99 runtime.
  55    Solaris 10 defines _STDC_C99 if __STDC_VERSION__ is >= 199901L.
  56    This macro is defined in <sys/feature_tests.h> which is included by
  57    various system headers, in this case <sys/types.h> above.  */
  58 #else
  59 #define HAVE_C99_RUNTIME
  60 #endif
  61 #endif