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am 071bed80: Merge "_GNU_SOURCE implies _BSD_SOURCE and the latest _POSIX_C_SOURCE."

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* commit '071bed8091cab4e070a1f5e6b2eb0dd1141f0498':
  _GNU_SOURCE implies _BSD_SOURCE and the latest _POSIX_C_SOURCE.
This commit is contained in:
Elliott Hughes 2014-09-04 17:16:01 +00:00 committed by Android Git Automerger
commit 32dc56a1ca
1 changed files with 13 additions and 4 deletions
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17
libc/include/sys/cdefs.h
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@ -362,13 +362,22 @@
* do it in <sys/cdefs.h> instead because that's where our existing
* _POSIX_C_SOURCE tests were, and we're already confident that <sys/cdefs.h>
* is included everywhere it should be.
*
* The _GNU_SOURCE test needs to come before any _BSD_SOURCE or _POSIX* tests
* because _GNU_SOURCE implies everything else.
*/
#if defined(_BSD_SOURCE)
# define __USE_BSD 1
#endif
#if defined(_GNU_SOURCE)
# define __USE_GNU 1
# undef _POSIX_SOURCE
# define _POSIX_SOURCE 1
# undef _POSIX_C_SOURCE
# define _POSIX_C_SOURCE 200809L
# undef _BSD_SOURCE
# define _BSD_SOURCE 1
#endif
#if defined(_BSD_SOURCE)
# define __USE_BSD 1
#endif
/*-