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کد:
[root@server ~]# /usr/local/php5/bin/pecl install json
downloading json-1.2.1.tgz ...
Starting to download json-1.2.1.tgz (17,780 bytes)
......done: 17,780 bytes
11 source files, building
WARNING: php_bin /usr/local/php5/bin/php appears to have a suffix 5/bin/php, but confi
g variable php_suffix does not match
running: phpize
Configuring for:
PHP Api Version:         20041225
Zend Module Api No:      20060613
Zend Extension Api No:   220060519
Cannot find autoconf. Please check your autoconf installation and the
$PHP_AUTOCONF environment variable. Then, rerun this script.

ERROR: `phpize' failed
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