乗るしかない、このPHPウェーブに! $ uname -a Linux goa 2.6.32.8 #1 SMP Tue Feb 23 11:39:02 JST 2010 x86_64 GNU/Linux $ php -v PHP 5.3.2 (cli) (built: Jul 30 2010 16:58:59) Copyright (c) 1997-2010 The PHP Group Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies$ pecl download hash $ tar zxf hash-1.5.tgz $ cd hash-1.5/ $ phpize $ ./configure $ make (snip) /var/tmp/m/hash-1.5/hash.c:785: error: duplicate