ocamldot.1.1 uses autoconf
In #23989:
#=== ERROR while compiling ocamldot.1.1 =======================================#
# context 2.2.0~alpha~dev | linux/x86_64 | ocaml-base-compiler.5.0.0 | file:///home/opam/opam-repository
# path ~/.opam/5.0/.opam-switch/build/ocamldot.1.1
# command ~/.opam/opam-init/hooks/sandbox.sh build make all
# exit-code 2
# env-file ~/.opam/log/ocamldot-7-fd3f72.env
# output-file ~/.opam/log/ocamldot-7-fd3f72.out
### output ###
# /home/opam/.opam/5.0/bin/ocamlyacc -v odot_parser.mly
# /home/opam/.opam/5.0/bin/ocamllex.opt odot_lexer.mll
# 62 states, 621 transitions, table size 2856 bytes
# rm -fr .depend
# /home/opam/.opam/5.0/bin/ocamldep.opt *.ml *.mli > .depend
# autoconf
# make: autoconf: No such file or directory
# make: *** [Makefile:103: configure] Error 127