How to install ext/intl on Mac OSX (NumberFormatter and so on)

Hallo Apple is shipping PHP 5.3.3 on Mac OSX Darwin without the PECL-Extension "ext/intl". So i tried to install ext/intl with "pecl install intl". The Error Message is: /private/var/tmp/apache_mod_php/apache_mod_php-53~1/Build/tmp/pear/temp/intl/collator/collator_class.c:92: error: duplicate ‘static’ /private/var/tmp/apache_mod_php/apache_mod_php-53~1/Build/tmp/pear/temp/intl/collator/collator_class.c:96: error: duplicate ‘static’ /private/var/tmp/apache_mod_php/apache_mod_php-53~1/Build/tmp/pear/temp/intl/collator/collator_class.c:101: error: duplicate ‘static’ /private/var/tmp/apache_mod_php/apache_mod_php-53~1/Build/tmp/pear/temp/intl/collator/collator_class.c:107: error: duplicate ‘static’ make: *** [collator/collator_class.lo] Error 1 ERROR: `make' failed phpize output is: Configuring for: PHP Api Version: 20090626 Zend Module Api No: 20090626 Zend Extension Api No: 220090626 gcc -v: gcc -v Using built-in specs. Target: i686-apple-darwin10 Configured with: /var/tmp/gcc/gcc-5664~105/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 --program-prefix=i686-apple-darwin10- --host=x86_64-apple-darwin10 --target=i686-apple-darwin10 --with-gxx-include-dir=/include/c++/4.2.1 Thread model: posix gcc version 4.2.1 (Apple Inc. build 5664) Has anyone good tips for solving this?