configure.ac:16: warning: macro `AM_SILENT_RULES' not found in library libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, `config'. libtoolize: copying file `config/config.guess' libtoolize: copying file `config/config.sub' libtoolize: copying file `config/install-sh' libtoolize: copying file `config/ltmain.sh' libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'. libtoolize: copying file `m4/libtool.m4' libtoolize: copying file `m4/ltoptions.m4' libtoolize: copying file `m4/ltsugar.m4' libtoolize: copying file `m4/ltversion.m4' libtoolize: copying file `m4/lt~obsolete.m4' configure.ac:16: warning: macro `AM_SILENT_RULES' not found in library configure.ac:16: error: possibly undefined macro: AM_SILENT_RULES If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. autoreconf: /usr/bin/autoconf failed with exit status: 1