[MacPorts] #68586: opam @2.1.5 fails to build on Sonoma: sed: opam.install: No such file or directory

[MacPorts]

#68586: opam @2.1.5 fails to build on Sonoma: sed: opam.install: No such file or
directory
--------------------------+----------------------
 Reporter:  barracuda156  |      Owner:  pmetzger
     Type:  defect        |     Status:  assigned
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.8.1
 Keywords:  sonoma        |       Port:  opam
--------------------------+----------------------
 {{{
 :info:build File "src/core/opamStubsTypes.ml", line 1:
 :info:build Warning 70 [missing-mli]: Cannot find interface file.
 :info:build File "src/solver/opamCudfSolverSig.ml", line 1:
 :info:build Warning 70 [missing-mli]: Cannot find interface file.
 :info:build File "src/tools/opam_installer.ml", line 1:
 :info:build Warning 70 [missing-mli]: Cannot find interface file.
 :info:build dune build --profile=release --root .   -- opam-
 installer.install opam.install
 :info:build sed -f process.sed opam.install > processed-opam.install
 :info:build sed: opam.install: No such file or directory
 :info:build make: *** [processed-opam.install] Error 1
 :info:build make: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ocaml_opam/opam/work
 /opam-full-2.1.5'
 :info:build Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_ocaml_opam/opam/work
 /opam-full-2.1.5" && /usr/bin/make -j1 -w lib-ext all
 :info:build Exit code: 2
 :error:build Failed to build opam: command execution failed
 :debug:build Error code: CHILDSTATUS 58690 2
 }}}

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Ticket URL: <https://trac.macports.org/ticket/68586>
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