kgio 2.5.0 failed build/install

[Mohit Chawla <mohit.chawla.binary@gmail.com>]

Hi,

Seeing this on CentOS 5.6:

### build error

Building native extensions.  This could take a while...
ERROR:  Error installing kgio:
       ERROR: Failed to build gem native extension.

       /usr/bin/ruby extconf.rb
checking for CLOCK_MONOTONIC in "time.h"... yes
checking for clockid_t... yes
checking for clock_gettime() in -lrt... no
checking for t_open() in -lnsl... no
checking for socket() in -lsocket... no
checking for poll()... no
checking for getaddrinfo()... no
getaddrinfo required
*** extconf.rb failed ***

### mkmf.log

have_func: checking for getaddrinfo()... -------------------- no

"gcc -o conftest -I. -I/usr/lib64/ruby/1.8 -I.    -D_GNU_SOURCE
-DPOSIX_C_SOURCE=1-D_POSIX_C_SOURCE=200112L -O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m64 -mtune=generic -fno-strict-aliasing
-fPIC   conftest.c  -L/usr/lib64      -lruby-static  -lpthread -lrt
-ldl -lcrypt -lm   -lc"
conftest.c: In function ‘t’:
conftest.c:7: error: too few arguments to function ‘getaddrinfo’
checked program was:
/* begin */
1: #include <sys/types.h>
2: #include <sys/socket.h>
3: #include <netdb.h>
4:
5: /*top*/
6: int main() { return 0; }
7: int t() { getaddrinfo(); return 0; }
/* end */

No such issues on my Ubuntu/Scientific Linux 6/CentOS 5.5 boxes. Any
clues what could be the reason ?