- 
     --with-adabas[=DIR]
    
- 
     
      Include Adabas D support. DIR is the Adabas base install directory, 
      defaults to /usr/local.
      
- 
     --with-sapdb[=DIR]
    
- 
     
      Include SAP DB support. DIR is SAP DB base install directory, 
      defaults to /usr/local.
      
- 
     --with-solid[=DIR]
    
- 
     
      Include Solid support. DIR is the Solid base install directory, 
      defaults to /usr/local/solid.
      
- 
     --with-ibm-db2[=DIR]
    
- 
     
      Include IBM DB2 support. DIR is the DB2 base install directory, 
      defaults to /home/db2inst1/sqllib.
      
- 
     --with-empress[=DIR]
    
- 
     
      Include Empress support. DIR is the Empress base install directory, 
      defaults to $EMPRESSPATH. This
      option only supports  Empress Version 8.60 and above.
      
- 
     --with-empress-bcs[=DIR]
    
- 
     
      Include "Empress Local Access" support. DIR is the Empress base 
      install directory, defaults to $EMPRESSPATH.
      This option only supports Empress Version 8.60 and above.
      
- 
     --with-birdstep[=DIR]
    
- 
     
      Include Birdstep support. DIR is the Birdstep base install directory, 
      defaults to /usr/local/birdstep.
      
- 
     --with-custom-odbc[=DIR]
    
- 
     
      Include a user defined ODBC support. The DIR is ODBC install base directory, 
      which defaults to /usr/local. Make sure to define
      CUSTOM_ODBC_LIBS and have some odbc.h in your include
      dirs. E.g., you should define following for Sybase SQL Anywhere 5.5.00 on
      QNX, prior to run configure script:
 
   CPPFLAGS="-DODBC_QNX -DSQLANY_BUG"
   LDFLAGS=-lunix
   CUSTOM_ODBC_LIBS="-ldblib -lodbc".
 
- 
     --with-iodbc[=DIR]
    
- 
     
      Include iODBC support. DIR is the iODBC base install directory, 
      defaults to /usr/local.
      
- 
     --with-esoob[=DIR]
    
- 
     
      Include Easysoft OOB support. DIR is the OOB base install directory, 
      defaults to /usr/local/easysoft/oob/client.
      
- 
     --with-unixODBC[=DIR]
    
- 
     
      Include unixODBC support. DIR is the unixODBC base install directory, 
      defaults to /usr/local.
      
- 
     --with-openlink[=DIR]
    
- 
     
      Include OpenLink ODBC support. DIR is the OpenLink base install directory, 
      defaults to /usr/local. This is the same as iODBC.
      
- 
     --with-dbmaker[=DIR]
    
- 
     
      Include DBMaker support. DIR is the DBMaker base install directory, 
      defaults to where the latest version of DBMaker is installed 
      (such as /home/dbmaker/3.6).
      
The Windows version of PHP has built-in
support for this extension. You do not need to load any additional
extensions in order to use these functions.