Please visit http://tagoh.bitbucket.org/libgxim/ for more details.
How to get the source code from git repository
$ git clone firstname.lastname@example.org:tagoh/libgxim.git
How to build from the source
Once the source code has checked out from the repository, you just need to run autogen.sh with the certain parameters as needed and run make. make install would helps to install the files into your system:
% ./autogen.sh --prefix=/usr --sysconfdir=/etc % make % make install
How to debug
See How to debug libgxim.