gandalf@hellscream:~/build/boinc/setiathome/seti_boinc$ ./_autosetup  
Bootstrapping configure script and makefiles:
/usr/share/aclocal/smpeg.m4:13: warning: underquoted definition of AM_PATH_SMPEG
  run info '(automake)Extending aclocal'
  or see http://sources.redhat.com/automake/automake.html#Extending-aclocal
/usr/share/aclocal/oaf.m4:4: warning: underquoted definition of AM_PATH_OAF
/usr/share/aclocal/lirc.m4:15: warning: underquoted definition of AC_PATH_LIRC
/usr/share/aclocal/glib.m4:8: warning: underquoted definition of AM_PATH_GLIB
/usr/share/aclocal/gconf-1.m4:4: warning: underquoted definition of AM_PATH_GCONF
/usr/share/aclocal/gconf-1.m4:71: warning: underquoted definition of AM_GCONF_SOURCE
configure.ac:355: error: `config.h' is already registered with AC_CONFIG_HEADERS.
autoconf/status.m4:424: AC_CONFIG_HEADERS is expanded from...
autoconf/status.m4:437: AC_CONFIG_HEADER is expanded from...
configure.ac:355: the top level
autom4te: /usr/bin/m4 failed with exit status: 1
aclocal: autom4te failed with exit status: 1
Done, now run ./configure
 ./configure -C

ii  autoconf                              2.59a-9                                   automatic configure script builder
ii  automake1.9                           1.9.6-4                                   A tool for generating GNU Standards-complian
ii  autotools-dev                         20060223.1                                Update infrastructure for config.{guess,sub}
ii  m4                                    1.4.4-1                                   a macro processing language