Bug#912093: lablgtk-extras FTBFS: ocamlfind: Package `lablgtk2.sourceview2' not found

[Adrian Bunk <bunk@debian.org>]

Source: lablgtk-extras
Version: 1.5-1
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/lablgtk-extras.html

...
Objective-Caml version 4.5.0 (4.05.0)
interpreter:                /usr/bin/ocaml
bytecode compiler:          /usr/bin/ocamlc.opt
native code compiler:       /usr/bin/ocamlopt.opt
documentation generator(s): /usr/bin/ocamldoc, /usr/bin/ocamldoc.opt
lexer generator:            /usr/bin/ocamllex.opt
parser generator:           /usr/bin/ocamlyacc
dependencies generator:     /usr/bin/ocamldep.opt
library builder:            /usr/bin/ocamlmklib
toplevel builder:           /usr/bin/ocamlmktop
profiler:                   /usr/bin/ocamlprof
camlp4:                     /usr/bin/camlp4
ocamlfind:                  /usr/bin/ocamlfind

### checking required tools and libraries ###
checking for config-file... ok
checking for lablgtk2... ok
checking for lablgtk2.sourceview2... ocamlfind: Package `lablgtk2.sourceview2' not found
Package lablgtk2.sourceview2 not found

You way have a look at config_check.log for details.