nixpkgs/pkgs/build-support/ocaml/oasis.nix

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{ stdenv, ocaml_oasis, ocaml, findlib, ocamlbuild }:
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{ pname, version, buildInputs ? [], meta ? { platforms = ocaml.meta.platforms or []; },
minimumOCamlVersion ? null,
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createFindlibDestdir ? true,
dontStrip ? true,
...
}@args:
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if args ? minimumOCamlVersion &&
! stdenv.lib.versionAtLeast ocaml.version args.minimumOCamlVersion
then throw "${pname}-${version} is not available for OCaml ${ocaml.version}"
else
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stdenv.mkDerivation (args // {
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name = "ocaml${ocaml.version}-${pname}-${version}";
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buildInputs = [ ocaml findlib ocamlbuild ocaml_oasis ] ++ buildInputs;
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inherit createFindlibDestdir;
inherit dontStrip;
buildPhase = ''
runHook preBuild
oasis setup
ocaml setup.ml -configure
ocaml setup.ml -build
runHook postBuild
'';
checkPhase = ''
runHook preCheck
ocaml setup.ml -test
runHook postCheck
'';
installPhase = ''
runHook preInstall
mkdir -p $out
sed -i s+/usr/local+$out+g setup.ml
sed -i s+/usr/local+$out+g setup.data
prefix=$OCAMLFIND_DESTDIR ocaml setup.ml -install
runHook postInstall
'';
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})