autoreconf: error: automake failed with exit status: 1

[jiapei-nexera]

AUTHORS     autom4te.cache  config     config.log   configure      COPYING       debian       INSTALL  Makefile.am  metslib.pc.in  README  shave.in  test
➜  metslib-trunk-2020-05-13 ./autogen.sh 
configure.ac:40: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated.
./lib/autoconf/general.m4:2434: AC_DIAGNOSE is expanded from...
aclocal.m4:705: AM_INIT_AUTOMAKE is expanded from...
configure.ac:40: the top level
configure.ac:52: warning: The macro `AC_LANG_CPLUSPLUS' is obsolete.
configure.ac:52: You should run autoupdate.
./lib/autoconf/c.m4:262: AC_LANG_CPLUSPLUS is expanded from...
configure.ac:52: the top level
configure.ac:69: warning: The macro `AC_TRY_COMPILE' is obsolete.
configure.ac:69: You should run autoupdate.
./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
configure.ac:69: the top level
configure.ac:107: warning: AC_OUTPUT should be used without arguments.
configure.ac:107: You should run autoupdate.
configure.ac:40: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated.  For more info, see:
configure.ac:40: https://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation
configure.ac:105: error: required file 'config/ltmain.sh' not found
metslib/Makefile.am:10: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')
autoreconf: error: automake failed with exit status: 1