#42 Activation success. Authentication failure

[Divided by Zer0]

Hello, I installed the v86 of the plugin along with the OpenID PHP at my wordpress site (which resides in a shared hosting site). In any case, the plugin seems to be activated without problems but it just doesn't work

The status information is this
---

[INFO] file:error_log
Logging errors via PHP's error_log faculty to: /home/.dookey/db0/dbzer0.com/wp-content/uploads/php.log
[OK] loading file: openid-registration.php
[OK] loading file: Services/Yadis/PlainHTTPFetcher.php
[OK] loading file: Services/Yadis/Yadis.php
[OK] loading file: Auth/OpenID.php
[OK] loading file: Auth/OpenID/Discover.php
[OK] loading file: Auth/OpenID/DatabaseConnection.php
[OK] loading file: Auth/OpenID/MySQLStore.php
[OK] loading file: wpdb-pear-wrapper.php
[OK] loading file: Auth/OpenID/Consumer.php
[FAIL] unknown library variable: GLOBALS
This library variable is unknown, left unset.
[INFO] database: Wordpress' table prefix
wp_
[OK] object: OpenID Store
[OK] object: OpenID Consumer
[INFO] database tables
Table wp_openid_associations exists.
Table wp_openid_nonces exists.
Table wp_openid_settings exists.
Table wp_openid_identities exists.
[INFO] Include Path
/home/.dookey/db0/dbzer0.com/wp-content/plugins/wpopenid/
/usr/local/lib/php/
[INFO] WordPress version
2.1.3
[INFO] MySQL version
5.0.16
[INFO] PHP version
4.4.4
[OK] Curl version
[FAIL] library: GMP compiled into in PHP
GMP does not appear to be built into PHP. This is highly recommended for performance reasons.
[FAIL] library: BCMath compiled into in PHP
BCMath does not appear to be built into PHP. GMP is preferred.
[FAIL] Loaded long integer library
The OpenID Library is operating Dumb Mode, since it doesn't have a big integer library. Recommend installing GMP support.
[INFO] Plugin version
Running version 85. Latest stable release is 86. A new version of this plugin is available.
[INFO] Plugin Database Version
Plugin database is currently at revision 85
[OK] Overall Plugin Status
---

Since I don't have access to compile php, I'm not certain how to install GMP.

I tried to test it through http://www.openidenabled.com and livejournal but both fail.

openidenabled gives the following error after I try to login
---
This site encountered an error trying to fulfill your request. The errors were:

Error Type
OpenIDError
Error Value
('parse error', None)
Request made at
2007/05/07 13:50:58.492 GMT-7 .
---

While livejournal claims
---
* No claimed id: no_identity_server: The provided URL doesn't declare its OpenID identity server.
---

I'm using Wordpress 2.1.3. Unfortunately I have no idea how to start troubleshooting this