round.3: Fix feature test macro requirements

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2010-09-18 17:52:50 +02:00
parent 9536e0eb40
commit b27145f898
1 changed files with 2 additions and 1 deletions

View File

@ -48,7 +48,8 @@ Feature Test Macro Requirements for glibc (see
.BR roundf (),
.BR roundl ():
.RS 4
_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE;
_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
_POSIX_C_SOURCE\ >=\ 200112L;
.br
or
.I cc\ -std=c99