ffs.3: Correct feature test macro requirements

Reported-by: Stefan Tauner <tauner@technikum-wien.at>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2016-10-08 11:52:42 +02:00
parent 8ff358457d
commit 244fccdddb
1 changed files with 2 additions and 1 deletions

View File

@ -57,7 +57,8 @@ Feature Test Macro Requirements for glibc (see
.RS 4
.TP 4
Since glibc 2.12:
_POSIX_C_SOURCE\ >=\ 200809L
_XOPEN_SOURCE >= 700
|| ! (_POSIX_C_SOURCE\ >=\ 200809L)
|| /* Glibc since 2.19: */ _DEFAULT_SOURCE
|| /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
.TP