yi yaourt

==> Continue building yi ? [Y/n]
==> ----------------------------
==>
==> Building and installing package
==> Making package: yi 0.6.2.4-1 (Sun Oct 17 10:40:26 CEST 2010)
==> Checking Runtime Dependencies...
==> Checking Buildtime Dependencies...
==> Retrieving Sources...
  -> Found yi-0.6.2.4.tar.gz
==> Validating source files with md5sums...
    yi-0.6.2.4.tar.gz ... Passed
==> Extracting Sources...
  -> Extracting yi-0.6.2.4.tar.gz with bsdtar
==> Removing existing pkg/ directory...
==> Entering fakeroot environment...
==> Starting build()...
Configuring yi-0.6.2.4...
Setup: At least the following dependencies are missing:
unix-compat ==0.1.*
    Aborting...
==> ERROR: Makepkg was unable to build yi.
==> Restart building yi ? [y/N]