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feature_test_macros.7: From glibc 2.19, _BSD_SOURCE no longer causes __FAVOR_BSD 

Starting with glibc 2.19, _BSD_SOURCE no longer causes BSD
definitions to be favored in cases where standards conflict.

Reviewed-by: Joseph S. Myers <joseph@codesourcery.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2014-01-06 10:22:52 +13:00
parent b60327309b
commit 0385c88eda
1 changed files with 6 additions and 2 deletions
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8
man7/feature_test_macros.7
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@ -22,7 +22,7 @@
.\" the source, must acknowledge the copyright and authors of this work.
.\" %%%LICENSE_END
.\"
.TH FEATURE_TEST_MACROS 7 2013-09-20 "Linux" "Linux Programmer's Manual"
.TH FEATURE_TEST_MACROS 7 2014-01-06 "Linux" "Linux Programmer's Manual"
.SH NAME
feature_test_macros \- feature test macros
.SH SYNOPSIS
@ -260,7 +260,8 @@ and on those systems this macro has no effect.
.B _BSD_SOURCE
Defining this macro with any value causes header files to expose
BSD-derived definitions.
Defining this macro also causes BSD definitions to be preferred in
In glibc versions up to and including 2.18,
defining this macro also causes BSD definitions to be preferred in
some situations where standards conflict, unless one or more of
.BR _SVID_SOURCE ,
.BR _POSIX_SOURCE ,
@ -270,6 +271,9 @@ some situations where standards conflict, unless one or more of
or
.B _GNU_SOURCE
is defined, in which case BSD definitions are disfavored.
Since glibc 2.19,
.B _BSD_SOURCE
no longer causes BSD definitions to be preferred in case of conflicts.
.TP
.B _SVID_SOURCE
Defining this macro with any value causes header files to expose