diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/features.h b/include/features.h index 88be470025..f04184ac12 100644 --- a/include/features.h +++ b/include/features.h @@ -251,10 +251,15 @@ #endif Note - they won't work for gcc1 or glibc1, since the _MINOR macros were not defined then. */ -#define __GNUC_PREREQ(maj,min) (defined __GNUC__ && defined __GNUC_MINOR__ \ - && ((__GNUC__ << 16) + __GNUC_MINOR__) >= ((maj<<16) + min)) -#define __GLIBC_PREREQ(maj,min) (defined __GLIBC__ && defined __GLIBC_MINOR__ \ - && ((__GLIBC__ << 16) + __GLIBC_MINOR__) >= ((maj<<16) + min)) +#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 + +#define __GLIBC_PREREQ(maj, min) \ + ((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min)) /* This is here only because every header file already includes this one. */ #ifndef __ASSEMBLER__ |