Fileinfo install fails

I'm trying to get fileinfo to install, but I've got some problems: storage2:~ # pear5 install fileinfo downloading Fileinfo-1.0.tgz ... Starting to download Fileinfo-1.0.tgz (5,566 bytes) .....done: 5,566 bytes 3 source files, building running: phpize Configuring for: PHP Api Version: 20031224 Zend Module Api No: 20041030 Zend Extension Api No: 220040412 configure.in:9: warning: underquoted definition of PHP_WITH_PHP_CONFIG run info '(automake)Extending aclocal' or see http://sources.redhat.com/automake/automake.html#Extending-aclocal configure.in:32: warning: underquoted definition of PHP_EXT_BUILDDIR configure.in:33: warning: underquoted definition of PHP_EXT_DIR configure.in:34: warning: underquoted definition of PHP_EXT_SRCDIR configure.in:35: warning: underquoted definition of PHP_ALWAYS_SHARED acinclude.m4:19: warning: underquoted definition of PHP_PROG_RE2C acinclude.m4:1915: warning: underquoted definition of PHP_TEST_BUILD `phpize' failed storage2:~ # My system is Suse9.3, and I have PHP5.0.4 (I think) installed from their RPM's. I've installed lots of other Pear and Pecl modules, but fileinfo simply won't work. Anyone know how to get it installed? Thanks, Ty