add _ALL_SOURCE as an alias for _GNU_SOURCE/enable-everything

reportedly this is a semi-common practice among some BSDs and a few
other systems, and will improve application compatibility.
This commit is contained in:
Rich Felker 2012-12-03 17:02:56 -05:00
parent 769fd4ce20
commit b3175f5c48

View File

@ -1,6 +1,10 @@
#ifndef _FEATURES_H
#define _FEATURES_H
#ifdef _ALL_SOURCE
#define _GNU_SOURCE 1
#endif
#if !defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) \
&& !defined(_XOPEN_SOURCE) && !defined(_GNU_SOURCE) \
&& !defined(_BSD_SOURCE) && !defined(__STRICT_ANSI__)