$ git ls-files -o|xargs rm
$ git ls-files -o
$ ./autogen.sh
User defined paths to the preferred autoconf and automake versions.
Read the script if you would like to modify them.
AUTOMAKE=automake-1.9
ACLOCAL=aclocal
AUTOCONF=autoconf
AUTOHEADER=autoheader
Now building the ./configure script...
checking for automake version... 1.9.6
checking for aclocal version... 1.10
Running aclocal -I m4 ...
Running libtoolize ...
Running autoheader ...
Running automake ...
configure.ac:8: version mismatch.  This is Automake 1.9.6,
configure.ac:8: but the definition used by this AM_INIT_AUTOMAKE
configure.ac:8: comes from Automake 1.10.  You should recreate
configure.ac:8: aclocal.m4 with aclocal and run automake again.
configure.ac: installing `./install-sh'
configure.ac: installing `./missing'
mpeg2enc/Makefile.am: installing `./depcomp'
Makefile.am: installing `./compile'