CentOS 5(마지막판인 5.5)에서 autoconf 버전이 2.59 라서 어떤 소스에서는 configure 도중 다음과 같은 에러가 발생한다.aclocal.m4:20: warning: this file was generated for autoconf 2.61.You have another version of autoconf. It may work, but is not guaranteed to.If you have problems, you may need to regenerate the build system entirely.To do so, use the procedure documented by the package, typically `autoreconf'.configure.ac:3: error:..