LIRC is hosted at SourceForge. You can browse the repository or get a copy of the current source tree using git.
Get the sources:
git clone git://lirc.git.sourceforge.net/gitroot/lirc/lirc
You can ignore the complaints about missing files.
You need at least libtool-1.5.22, automake-1.9.6 and
autoconf-2.61 to build the necessary files. Older
versions might not work. But you might also experience
problems with more recent versions of the
tools. Please don't report problems that occur with
versions other than listed here.
Up to version 0.8.7 LIRC was using CVS. The
LIRC CVS repository is not maintained