building ocamlformat with opam, missing dependency

gistfile1.txt

~/foss_projects/ocamlformat
$ make
dune build _build/dev/src/ocamlformat.exe _build/release/src/ocamlformat.exe _build/dev/ocamlformat.install _build/release/ocamlformat.install
File "_build/.dune/release/src/dune", line 23, characters 80-84:
23 |  (libraries cmdliner format_ fpath import ocaml-migrate-parsetree octavius unix uutf))
                                                                                     ^^^^
Error: Library "uutf" not found.
Hint: try: dune external-lib-deps --missing _build/dev/src/ocamlformat.exe _build/release/src/ocamlformat.exe _build/dev/ocamlformat.install _build/release/ocamlformat.install
File "_build/.dune/dev/src/dune", line 23, characters 80-84:
23 |  (libraries cmdliner format_ fpath import ocaml-migrate-parsetree octavius unix uutf))
                                                                                     ^^^^
Error: Library "uutf" not found.
Hint: try: dune external-lib-deps --missing _build/dev/src/ocamlformat.exe _build/release/src/ocamlformat.exe _build/dev/ocamlformat.install _build/release/ocamlformat.install
make: *** [exe] Error 1


~/foss_projects/ocamlformat
$ opam install uutf
[NOTE] Package uutf is already installed (current version is 1.0.2).











~/foss_projects/ocamlformat
$ opam list
# Packages matching: installed
# Name                  # Installed # Synopsis
astring                 0.8.3       Alternative String module for OCaml
base                    v0.12.0     Full standard library replacement for OCaml
base-bigarray           base
base-bytes              base        Bytes library distributed with the OCaml compiler
base-threads            base
base-unix               base
cmdliner                1.0.3       Declarative definition of command line interfaces for OCaml
conf-m4                 1           Virtual package relying on m4
dune                    1.9.1       Fast, portable and opinionated build system
fpath                   0.7.2       File system paths for OCaml
jbuilder                transition  This is a transition package, jbuilder is now named dune. Use the
ocaml                   4.07.1      The OCaml compiler (virtual package)
ocaml-base-compiler     4.07.1      Official release 4.07.1
ocaml-config            1           OCaml Switch Configuration
ocaml-migrate-parsetree 1.2.0       Convert OCaml parsetrees between different versions
ocamlbuild              0.14.0      OCamlbuild is a build system with builtin rules to easily build m
ocamlfind               1.8.0       A library manager for OCaml
octavius                1.2.1       Ocamldoc comment syntax parser
ppx_derivers            1.2.1       Shared [@@deriving] plugin registry
result                  1.3         Compatibility Result module
sexplib0                v0.12.0     Library containing the definition of S-expressions and some base
stdio                   v0.12.0     Standard IO library for OCaml
topkg                   1.0.0       The transitory OCaml software packager
uchar                   0.0.2       Compatibility library for OCaml's Uchar module
uutf                    1.0.2       Non-blocking streaming Unicode codec for OCaml


~/foss_projects/ocamlformat
$ opam switch
#  switch  compiler                    description
   4.05.0  ocaml-base-compiler.4.05.0  base-bigarray.base base-threads.base base-unix.base
                                       ocaml-base-compiler.4.05.0
→  4.07.1  ocaml-base-compiler.4.07.1  4.07.1