nixpkgs/pkgs/development/ocaml-modules/llvm/default.nix

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{ stdenv, fetchpatch, python, cmake, llvm, ocaml, findlib, ctypes }:
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let version = stdenv.lib.getVersion llvm; in
stdenv.mkDerivation {
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pname = "ocaml-llvm";
inherit version;
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inherit (llvm) src;
buildInputs = [ python cmake ocaml findlib ctypes ];
propagatedBuildInputs = [ llvm ];
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patches = [ (fetchpatch {
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url = https://raw.githubusercontent.com/ocaml/opam-repository/2bdc193f5a9305ea93bf0f0dfc1fbc327c8b9306/packages/llvm/llvm.7.0.0/files/fix-shared.patch;
sha256 = "1p98j3b1vrryfn1xa7i50m6mmm4dyw5ldafq6kyh9sfmdihz4zsx";
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})];
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cmakeFlags = [
"-DLLVM_OCAML_OUT_OF_TREE=TRUE"
"-DLLVM_OCAML_INSTALL_PATH=${placeholder "out"}/ocaml"
"-DLLVM_OCAML_EXTERNAL_LLVM_LIBDIR=${stdenv.lib.getLib llvm}/lib"
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];
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buildFlags = [ "ocaml_all" ];
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installFlags = [ "-C" "bindings/ocaml" ];
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postInstall = ''
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mkdir -p $OCAMLFIND_DESTDIR/
mv $out/ocaml $OCAMLFIND_DESTDIR/llvm
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mv $OCAMLFIND_DESTDIR/llvm/META{.llvm,}
'';
passthru = {
inherit llvm;
};
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meta = {
inherit (llvm.meta) license homepage;
platforms = ocaml.meta.platforms or [];
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description = "OCaml bindings distributed with LLVM";
maintainers = with stdenv.lib.maintainers; [ vbgl ];
};
}