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

   1 /* Copyright (C) 2003 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(__sun)
  15 /* Solaris doesn't have the entire C99 runtime.  */
  16 #elif defined(__sgi)
  17 /* Irix6 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 #else
  23 /* Newlib has the "f" variants of the math functions, but not the "l"
  24    variants.  TARGET_C99_FUNCTIONS is only defined if all C99
  25    functions are present.  Therefore, on systems using newlib, tests
  26    of builtins will fail for both the "f" and the "l" variants, and we
  27    should therefore not define HAVE_C99_RUNTIME.  Including <limits.h>
  28    gives us a way of seeing if _NEWLIB_VERSION is defined.  Include
  29    <math.h> would work too, but the GLIBC math inlines cause us to
  30    generate inferior code, which causes the test to fail, so it is
  31    not safe to include <math.h>.  */
  32 #include <limits.h>
  33 #ifdef _NEWLIB_VERSION
  34 #else
  35 #define HAVE_C99_RUNTIME
  36 #endif
  37 #endif