# apt-get install php5-dev dh-make-php fakeroot libicu38 libicu-dev xsltproc
$ dh-make-pecl --depends libicu38 --build-depends libicu-dev --only 5 intl
$ cd php-intl-1.0.0/
$ dpkg-buildpackage -rfakeroot
$ cd ..
$ ls
intl-1.0.0.tgz php-intl_1.0.0-1.dsc
php5-intl_1.0.0-1_i386.deb php-intl_1.0.0-1_i386.changes
php-intl-1.0.0 php-intl_1.0.0.orig.tar.gz
php-intl_1.0.0-1.diff.gz
http://www.jejik.com/articles/2008/07/howto_build_and_install_the_intl_p...