Bindings for libfswatch -- file change monitor

Error log

The package failed to build. The error log from opam follows.

You are using opam 2.1+, where external dependency handling has been integrated: consider calling opam directly, the 'depext' plugin interface is provided for backwards compatibility only
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
[ERROR] No solution for fswatch_lwt.11-0.1.0 & base-bytes.base & conf-fswatch.11-0.1.0 & cppo.1.6.9 & csexp.1.5.1 & dune.3.4.1 & dune-configurator.3.4.1 & fswatch.11-0.1.0 & lwt.5.6.1 & ocamlfind.1.9.5 & ocplib-endian.1.2:   * Missing dependency:
            - conf-fswatch
            depends on the unavailable system package 'libfswatch-dev'. Use `--no-depexts' to attempt installation anyway, or it is possible that a depext package name in the opam file is incorrect.

Command failed: opam --cli=2.1 list --readonly --external '--resolve=fswatch_lwt.11-0.1.0,base-bytes.base,conf-fswatch.11-0.1.0,cppo.1.6.9,csexp.1.5.1,dune.3.4.1,dune-configurator.3.4.1,fswatch.11-0.1.0,lwt.5.6.1,ocamlfind.1.9.5,ocplib-endian.1.2' returned 20