installing turck mmcache Mac OS X

I'm trying to install Turck MMCache on Mac OS X 10.3.5

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MY SETUP:
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my php is 4.3.4  from the Marc Liyanage installer http://www.entropy.ch/software/macosx/php/
php location:   /usr/local/php
phpsize:  /usr/local/php/bin/phpsize

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FROM README:
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I follow these directions:

Step 1. Compiling Turck MMCache
 
  export PHP_PREFIX="/usr/local/php"
  $PHP_PREFIX/bin/phpize    

       (I THEN GET THIS MESSAGE:)
   >>Cannot find config.m4.
   >>Make sure that you run '/usr/local/php/bin/phpize' in the top level source directory of the module

  ./configure --enable-mmcache=shared --with-php-config=$PHP_PREFIX/bin/php-config
  make

  You must specify the real prefix where PHP is installed in the "export"
  command. It may be "/usr" "/usr/local", or something else.

Step 2. Installing Turck MMCache

  make install