For the folks in Debian Wheezy who are having a bit of trouble
heres a link to to a .deb file ( I use it ) for amd64 users
http://users.on.net/~cam.metzke/Debian%20Packages/Wheezy/gnupg/PECL-gnupg/
Anyway I built it for the community, hope it helps :)