i downloaded emacs-jabber from git and it created a directory called emacs-jabber and it had files like jabber.el , configure.ac etc. installation guide told me to use ./configure and make and make installto install jabber.el but when i did./configure i did this in emacs-jabber folder that was createdit shows no such file or directoryand please tell how to integrate facebook with emacs-jabberThanks 
not able to install jabber with emacs
arch linux;emacs
They use automake and autoconf. The README mentions that, but slightly below the part on ./configure, make, etc:Special notes for GIT version[...]To generate the configure script, make sure that autoconf and automake  are installed and run autoreconf -i.