diff options
Diffstat (limited to 'include/libc-internal.h')
| -rw-r--r-- | include/libc-internal.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/libc-internal.h b/include/libc-internal.h index 7a185bb..e4395dd 100644 --- a/include/libc-internal.h +++ b/include/libc-internal.h @@ -111,4 +111,19 @@ extern __typeof (__profile_frequency) __profile_frequency attribute_hidden; #define DIAG_IGNORE_NEEDS_COMMENT(version, option) \ _Pragma (_DIAG_STR (GCC diagnostic ignored option)) +/* Similar to DIAG_IGNORE_NEEDS_COMMENT the following macro ignores the + diagnostic OPTION but only if optimizations for size are enabled. + This is required because different warnings may be generated for + different optimization levels. For example a key piece of code may + only generate a warning when compiled at -Os, but at -O2 you could + still want the warning to be enabled to catch errors. In this case + you would use DIAG_IGNORE_Os_NEEDS_COMMENT to disable the warning + only for -Os. */ +#ifdef __OPTIMIZE_SIZE__ +# define DIAG_IGNORE_Os_NEEDS_COMMENT(version, option) \ + _Pragma (_DIAG_STR (GCC diagnostic ignored option)) +#else +# define DIAG_IGNORE_Os_NEEDS_COMMENT(version, option) +#endif + #endif /* _LIBC_INTERNAL */ |