php 컴파일시 에러 - Can't figure out your VCS, not cleaning

root@web:/opt/install/php-5.2.13# ./buildconf --force
Forcing buildconf
buildconf: checking installation...
buildconf: autoconf version 2.59 (ok)
buildconf: Your version of autoconf likely contains buggy cache code.
           Running vcsclean for you.
           To avoid this, install autoconf-2.13.
Can't figure out your VCS, not cleaning.


해결방법
yum install autoconf213
export PHP_AUTOCONF="/usr/bin/autoconf-2.13"
export PHP_AUTOHEADER=/usr/bin/autoheader-2.13

끝~~