php.ini not read?

[brian <brian.long@xxxxxx>]

phpinfo() says:  "configuration file path /apps/local/php5/lib"
phpinfo() also says:  "loaded configuration file:  (none)"

i'm sure this has to be in a faq somewhere... can someone point me at it? 
i'd like to get php to read the php.ini in the config file path.

thanks in advance,
b