diff options
Diffstat (limited to 'include/features.h')
| -rw-r--r-- | include/features.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/features.h b/include/features.h index 75237a7984..c3ed81fa19 100644 --- a/include/features.h +++ b/include/features.h @@ -140,8 +140,11 @@ #endif /* _BSD_SOURCE and _SVID_SOURCE are deprecated aliases for - _DEFAULT_SOURCE. */ -#if defined _BSD_SOURCE || defined _SVID_SOURCE + _DEFAULT_SOURCE. If _DEFAULT_SOURCE is present we do not + issue a warning; the expectation is that the source is being + transitioned to use the new macro. */ +#if (defined _BSD_SOURCE || defined _SVID_SOURCE) \ + && !defined _DEFAULT_SOURCE # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" # undef _DEFAULT_SOURCE # define _DEFAULT_SOURCE 1 |