aclocal: warning: couldn't open directory 'm4': No such file or directory
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, '.'.
libtoolize: copying file './ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, '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'
libtoolize: Consider adding '-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
configure.ac:97: warning: AC_OUTPUT should be used without arguments.
configure.ac:97: You should run autoupdate.
configure.ac:20: installing './compile'
configure.ac:22: installing './config.guess'
configure.ac:22: installing './config.sub'
configure.ac:8: installing './install-sh'
configure.ac:8: installing './missing'
lib/Makefile.am: installing './depcomp'