| /* Copyright (C) 2003 Free Software Foundation. |
| |
| Define macros useful in tests for bulitin functions. */ |
| |
| /* Define HAVE_C99_RUNTIME if the entire C99 runtime is available on |
| the target system. The value of HAVE_C99_RUNTIME should be the |
| same as the value of TARGET_C99_FUNCTIONS in the GCC machine |
| description. (Perhaps GCC should predefine a special macro |
| indicating whether or not TARGET_C99_FUNCTIONS is set, but it does |
| not presently do that.) */ |
| |
| #if defined(__hppa) && defined(__hpux) |
| /* PA HP-UX doesn't have the entire C99 runtime. */ |
| #elif defined(__sun) |
| /* Solaris doesn't have the entire C99 runtime. */ |
| #elif defined(__sgi) |
| /* Irix6 doesn't have the entire C99 runtime. */ |
| #elif defined(__FreeBSD__) && (__FreeBSD__ < 5) |
| /* FreeBSD before version 5 doesn't have the entire C99 runtime. */ |
| #else |
| /* Newlib has the "f" variants of the math functions, but not the "l" |
| variants. TARGET_C99_FUNCTIONS is only defined if all C99 |
| functions are present. Therefore, on systems using newlib, tests |
| of builtins will fail for both the "f" and the "l" variants, and we |
| should therefore not define HAVE_C99_RUNTIME. Including <limits.h> |
| gives us a way of seeing if _NEWLIB_VERSION is defined. Include |
| <math.h> would work too, but the GLIBC math inlines cause us to |
| generate inferior code, which causes the test to fail, so it is |
| not safe to include <math.h>. */ |
| #include <limits.h> |
| #ifdef _NEWLIB_VERSION |
| #else |
| #define HAVE_C99_RUNTIME |
| #endif |
| #endif |
