Cannot find autoconf. Please check your autoconf installation and the $PHP _autoconf environment variable. Then, rerun this scrip____php

[Root@localhost gd]#/usr/local/bin/phpize

Configuring for:

PHP Api version:20090626

Zend Module Api no:20090626

Zend Extension Api no:220090626

Cannot find autoconf. Please check your autoconf installation and the $PHP _autoconf environment variable. Then, rerun this script.

What is the situation ... After a variety of attempts, finally found that less than install a package

[Root@localhost gd]# Yum Install autoconf

[Root@localhost gd]#/usr/local/bin/phpize

Configuring for:

PHP Api version:20090626

Zend Module Api no:20090626

Zend Extension Api no:220090626

[Root@localhost gd]# ls

Credits config.h.in GD.DSP missing

Makefile.global config.m4 gd_ctx.c Mkinstalldirs

ACINCLUDE.M4 config.sub gdcache.c Php_gd.h

ACLOCAL.M4 Config.w32 gdcache.h run-tests.php

Autom4te.cache Configure INSTALL-SH Tests

Build Configure.in LIBGD

Config.guess gd.c ltmain.sh problem solved.