fresh CVS checkout fails on autogen.sh

autoreconf: Entering directory `.'
autoreconf: configure.ac: not using Gettext
autoreconf: running: 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
configure.ac: 379: automake requires `AM_PROG_LEX', not `AC_PROG_LEX'
Makefile.am:1: option `dist-bzip2' not recognized
automake: GL/mesa/Makefile.am: not supported: source file `X/xf86glx.c'
is in subdirectory
automake: GL/mesa/Makefile.am: not supported: source file
`X/xf86glx_util.c' is in subdirectory
automake: GL/mesa/Makefile.am: not supported: source file
`X/xf86glx_util.h' is in subdirectory
automake: GL/mesa/Makefile.am: not supported: source file
`X/xf86glxint.h' is in subdirectory
automake: GL/mesa/Makefile.am: not supported: source file `X/compsize.c'
is in subdirectory
GL/mesa/Makefile.am:173: invalid unused variable name:
`nodist_libglcore_a_SOURCES'
os/Makefile.am:15: invalid unused variable name: `XDMCP_SOURCES'
hw/kdrive/ati/Makefile.am:6: invalid unused variable name: `DRI_SOURCES'
automake: hw/xwin/Makefile.am: lex source seen but `AC_DECL_YYTEXT' not
in `configure.ac'
autoreconf: automake failed with exit status: 1