Dune installs empty META file for package with no library
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@emillon is already working on this.
Since Dec 14, 2023.
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Description
If a package defines executables only, Dune generates a META file containing a blank line and installs it. cppo, since its conversion to Jbuilder in v1.6.0 has had this cppo.install generated:
lib: [
"_build/install/default/lib/cppo/META"
"_build/install/default/lib/cppo/dune-package"
"_build/install/default/lib/cppo/opam"
]
bin: [
"_build/install/default/bin/cppo"
]
doc: [
"_build/install/default/doc/cppo/LICENSE.md"
"_build/install/default/doc/cppo/README.md"
]
but because META is empty, you get this from ocamlfind list:
cppo (version: n/a)
cppo_ocamlbuild (version: 1.6.6)
Dune should either not generate a META file at all or should put at least a version field in it. If META is written, then I think a synopsis field might also be wanted for executable which would go in description in the META file.
I have no opinion on whether there should be a META file at all (prior to 1.6.0, cppo didn't have one, unsurprisingly).
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