mysql and php are not detected

Hi,
    I am trying to install rlib in my system but php and mysql are not
getting the paths they have installed. As per your reply to one of the
question like this I have installed the php-config folder but its location
is usr/share/doc and in this folder also there is no php-config file


prefix:                   /usr/local
   compiler:                 gcc
   Memory debugging:         no
   Warning Fun:              no
   Crash detection:          yes
   UTF8 disabled:            yes
   WIN32 build:              no
   Documentation:            no

   INPUTS:
    MYSQL:                   no
    POSTGRES:                no
    ODBC:                    no

   COMPRESSION:
    PDF:                     yes

   GRAPHING:
    PDF:                     Always
    HTML:                    no

   BINDINGS:
    PHP:                     no
     PHP entension dir:      
    PYTHON:                  no
     PYTHON version:         2.2
     PYTHON entension dir:   
    JAVA:                    no
    CSHARP:                  no
    PERL:                    yes
     PERL entension dir:     /usr/lib/perl/5.10



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