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-rw-r--r--man2/acct.210
1 files changed, 9 insertions, 1 deletions
diff --git a/man2/acct.2 b/man2/acct.2
index 03a2cf2842..a90dd9a3cf 100644
--- a/man2/acct.2
+++ b/man2/acct.2
@@ -46,7 +46,15 @@ Feature Test Macro Requirements for glibc (see
.in
.sp
.BR acct ():
-_BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE\ <\ 500)
+.nf
+ Since glibc 2.21:
+.\" commit 266865c0e7b79d4196e2cc393693463f03c90bd8
+ _DEFAULT_SOURCE
+ In glibc 2.19 and 2.20:
+ _DEFAULT_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE\ <\ 500)
+ Up to and including glibc 2.19:
+ _BSD_SOURCE || (_XOPEN_SOURCE && _XOPEN_SOURCE\ <\ 500)
+.fi
.SH DESCRIPTION
The
.BR acct ()