我的gd库怎么不支持xbm
red hat,
PHP版本: 5.2.0
服务器操作系统: Linux Apache/2.0.52 (Unix) mod_ssl/2.0.52 OpenSSL/0.9.7e PHP/5.2.0
MySQL版本: 5.0.27-max
GD库版本: 2.0 or higher
在phpinfo中,
gd
GD Support enabled
GD Version 2.0 or higher
FreeType Support enabled
FreeType Linkage with freetype
FreeType Version 2.1.10
GIF Read Support enabled
GIF Create Support enabled
JPG Support enabled
PNG Support enabled
WBMP Support enabled
why it dont support xbm?,how should i do to add its support,thanks