nixpkgs/pkgs/development/tools/rust/bindgen/default.nix

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{ stdenv, fetchFromGitHub, rustPlatform, clang, llvmPackages, rustfmt, writeScriptBin,
runtimeShell }:
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rustPlatform.buildRustPackage rec {
pname = "rust-bindgen";
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version = "0.54.1";
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RUSTFLAGS = "--cap-lints warn"; # probably OK to remove after update
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src = fetchFromGitHub {
owner = "rust-lang";
repo = pname;
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rev = "v${version}";
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sha256 = "116np72w6agsi94xa1bdn6h7sa9gd522h358zlixk9xrhrx7yfn3";
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};
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cargoSha256 = "12a7bd2579jcnkss073v5w5w68fxwvhq6c6ndjy8vp78wg83qich";
libclang = llvmPackages.libclang.lib; #for substituteAll
buildInputs = [ libclang ];
propagatedBuildInputs = [ clang ]; # to populate NIX_CXXSTDLIB_COMPILE
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configurePhase = ''
export LIBCLANG_PATH="${libclang}/lib"
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'';
postInstall = ''
mv $out/bin/{bindgen,.bindgen-wrapped};
substituteAll ${./wrapper.sh} $out/bin/bindgen
chmod +x $out/bin/bindgen
'';
doCheck = true;
checkInputs =
let fakeRustup = writeScriptBin "rustup" ''
#!${runtimeShell}
shift
shift
exec "$@"
'';
in [
rustfmt
fakeRustup # the test suite insists in calling `rustup run nightly rustfmt`
clang
];
preCheck = ''
# for the ci folder, notably
patchShebangs .
'';
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meta = with stdenv.lib; {
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description = "Automatically generates Rust FFI bindings to C (and some C++) libraries.";
longDescription = ''
Bindgen takes a c or c++ header file and turns them into
rust ffi declarations.
As with most compiler related software, this will only work
inside a nix-shell with the required libraries as buildInputs.
'';
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homepage = "https://github.com/rust-lang/rust-bindgen";
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license = with licenses; [ bsd3 ];
platforms = platforms.unix;
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maintainers = with maintainers; [ johntitor ralith ];
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};
}