Compiling xserver

[Norberto Lopes]

When running autogen.sh the following error appears. Can someone give a hand here?

 ./autogen.sh --prefix=/opt/xorg --enable -xorg --disable-dmx --disable-xvfb --disable-xnest --disable-xwin --disable-xpri nt --disable-xorgcfg --with-mesa-source=/usr/src/xorghq/git/mesa
autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: aclocal -I /opt/xorg/share/aclocal  --output=aclocal.m4t
autoreconf: `aclocal.m4' is unchanged
autoreconf: configure.ac: tracing
autoreconf: running: libtoolize --copy
libtoolize: `config.guess' exists: use `--force' to overwrite
libtoolize: `config.sub' exists: use `--force' to overwrite
libtoolize: `ltmain.sh' exists: use `--force' to overwrite
autoreconf: running: /usr/bin/autoconf
autoreconf: running: /usr/bin/autoheader
autoreconf: running: automake --add-missing --copy
Use of uninitialized value in hash element at /usr/bin/automake line 1241.
Use of uninitialized value in list assignment at /usr/share/automake-1.7/Automak e/Channels.pm line 453.
automake: unused variable: `DRI_SOURCES'
EXTRA_DIST: variable `DISTKBDSOURCES' is used but `DISTKBDSOURCES' is undefined
SUBDIRS: variable `DRI_SUBDIRS' is used but `DRI_SUBDIRS' is undefined
autoreconf: automake failed with exit status: 1


Friendly,
   Norberto