emilio@kiko:~/liferea/liferea$ autoreconf -i
configure.ac:7: error: possibly undefined macro: AC_ENABLE_SHARED
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure.ac:8: error: possibly undefined macro: AC_ENABLE_STATIC
configure.ac:18: error: possibly undefined macro: AC_LIBTOOL_DLOPEN
configure.ac:19: error: possibly undefined macro: AC_PROG_LIBTOOL
autoreconf: /usr/bin/autoconf failed with exit status: 1
emilio@kiko:~/liferea/liferea$