10.6 php 5.3 - php5-tidy dies at runtime

[ben.lake@…]

php5-tidy (​Portfile) in 10.6 alongside php5 @5.3.0 compiles and installs fine, but when loaded into php at runtime it dies with the following:

dyld: lazy symbol binding failed: Symbol not found: _tidyReleaseDate
 Referenced from:
/opt/local/lib/php/extensions/no-debug-non-zts-20090626/tidy.so
 Expected in: flat namespace

dyld: Symbol not found: _tidyReleaseDate
 Referenced from:
/opt/local/lib/php/extensions/no-debug-non-zts-20090626/tidy.so
 Expected in: flat namespace 

Environment

System Version:	Mac OS X 10.6 (10A432)
Kernel Version:	Darwin 10.0.0
Model Identifier: MacBookPro5,1

MacPorts 1.8.0

PHP 5.3.0 (cli) (built: Sep  6 2009 14:30:15) 
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2009 Zend Technologies
    with Xdebug v2.0.5, Copyright (c) 2002-2008, by Derick Rethans

gcc -v
Using built-in specs.
Target: i686-apple-darwin10
Configured with: /var/tmp/gcc/gcc-5646~6/src/configure --disable-checking --enable-werror --prefix=/usr --mandir=/share/man --enable-languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^.-]*$/s/$/-4.2/ --with-slibdir=/usr/lib --build=i686-apple-darwin10 --with-gxx-include-dir=/include/c++/4.2.1 --program-prefix=i686-apple-darwin10- --host=x86_64-apple-darwin10 --target=i686-apple-darwin10
Thread model: posix
gcc version 4.2.1 (Apple Inc. build 5646)