aclocal
autoconf
./autogen.sh
I am going to run ./configure with no arguments - if you wish 
to pass any to it, please specify them on the ./autogen.sh command line.
Putting files in AC_CONFIG_AUX_DIR, `build-aux'.
aclocal: couldn't open directory `gnulib/m4': Datei oder Verzeichnis nicht gefunden
configure.in:670: required file `gnulib/lib/Makefile.in' not found
configure.in:670: required file `gnulib/tests/Makefile.in' not found
Makefile.am:3: required directory ./gnulib/lib does not exist
Makefile.am:3: required directory ./gnulib/tests does not exist
checking for a BSD-compatible install... /usr/bin/install -c

...

Found Python version 2.5
checking whether this host is running a Xen kernel... no
checking If XenD UNIX socket /var/run/xend/xmlrpc.sock is accessible... no
./configure: line 24422: syntax error near unexpected token `-fprofile-arcs'
./configure: line 24422: `  gl_COMPILER_FLAGS(-fprofile-arcs)'
[fabiand@fiona libvirt]$