diff options
Diffstat (limited to 'newlib/libc/include/sys/features.h')
| -rw-r--r-- | newlib/libc/include/sys/features.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h index e7f9c65dd..f150706db 100644 --- a/newlib/libc/include/sys/features.h +++ b/newlib/libc/include/sys/features.h @@ -25,6 +25,16 @@ 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 */ + /* RTEMS adheres to POSIX -- 1003.1b with some features from annexes. */ #ifdef __rtems__ |