src/task/Makefile.am:1: If 'LT_INIT' is in 'configure.ac', make sure src/task/Makefile.am:1: its definition is in aclocal's search path. src/vm/Makefile.am:1: error: Libtool library used but 'LIBTOOL' is undefined src/vm/Makefile.am:1: The usual way to define 'LIBTOOL' is to add 'LT_INIT' src/vm/Makefile.am:1: to 'configure.ac' and run 'aclocal' and 'autoconf' again. src/vm/Makefile.am:1: If 'LT_INIT' is in 'configure.ac', make sure src/vm/Makefile.am:1: its definition is in aclocal's search path. autoreconf: automake failed with exit status: 1 ERROR: Job failed: exit code 1