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Re: Some question regarding tail and option "-c"
From: |
Robert Milasan |
Subject: |
Re: Some question regarding tail and option "-c" |
Date: |
Thu, 4 Oct 2012 10:31:12 +0200 |
On Thu, 04 Oct 2012 10:14:15 +0200
"Jim Meyering" <address@hidden> wrote:
> You can check by seeing how lib/posixver.c is compiled or by running
> a command like the following. Here's what I see on Fedora 17 and
> newer:
>
> $ gcc -x c -dD -E -include unistd.h /dev/null \
> |grep -E 'fine _?_POSIX2_(THIS_)?VERS'
> #define __POSIX2_THIS_VERSION 200809L
> #define _POSIX2_VERSION __POSIX2_THIS_VERSION
>
> When in doubt, you can use gdb to trace through the code, too.
>
This is the output:
gcc -x c -dD -E -include unistd.h /dev/null |grep -E
'fine_?_POSIX2_(THIS_)?VERS'
#define __POSIX2_THIS_VERSION 200809L
#define _POSIX2_VERSION __POSIX2_THIS_VERSION
--
Robert Milasan
L3 Support Engineer
SUSE Linux
email: address@hidden
GPG fingerprint: B6FE F4A8 0FA3 3040 3402 6FE7 2F64 167C 1909 6D1A