help for tcpinfo

[Valentin V. Bartenev]

On Thursday 11 September 2014 15:09:00 mylich119 wrote:
> hi everyone,
> now I am trying to use $tcpinfo_rtt in the nginx.conf, but it can not be
> recognized.
> 
> below is my envioroment. and when I built nginx 1.6.1, it said "checking for
> TCP_INFO ... not found "
> 
> [lichuanhui at yptest01v ~/nginx-1.6.1]$ cat /etc/redhat-release 
> CentOS release 5.4 (Final)
> [lichuanhui at yptest01v ~/nginx-1.6.1]$ uname -a
> Linux yptest01v.add.corp.qihoo.net 2.6.18-164.el5xen #1 SMP Thu Sep 3
> 04:03:03 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
> 
> 

That's what usually happens when you're using ancient OS.
If I'm not mistaken, you need glibc 2.7 or later.

  wbr, Valentin V. Bartenev