Add bindgen hook; code cleanup
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4D9B1C8D10EA4C50
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@ -1,3 +1,8 @@
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.*
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*.olean
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!.gitignore
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# rust output
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/target
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# nix output
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/result
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@ -51,6 +51,13 @@ version = "2.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ed570934406eb16438a4e976b1b4500774099c13b8cb96eec99f620f05090ddf"
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[[package]]
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name = "caller"
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version = "0.1.0"
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dependencies = [
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"bindgen",
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]
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[[package]]
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name = "cexpr"
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version = "0.6.0"
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@ -137,9 +144,9 @@ checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
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[[package]]
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name = "libloading"
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version = "0.8.2"
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version = "0.8.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2caa5afb8bf9f3a2652760ce7d4f62d21c4d5a423e68466fca30df82f2330164"
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checksum = "0c2a198fb6b0eada2a8df47933734e6d35d350665a33a3593d7164fa52c75c19"
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dependencies = [
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"cfg-if",
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"windows-targets",
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@ -248,13 +255,6 @@ version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
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[[package]]
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name = "rustcalllean"
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version = "0.1.0"
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dependencies = [
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"bindgen",
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]
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[[package]]
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name = "rustix"
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version = "0.38.31"
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@ -1,5 +1,5 @@
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[package]
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name = "rustcalllean"
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name = "caller"
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description = "Rust calls Lean"
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authors = ["Leni Aniva"]
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publish = false
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21
build.rs
21
build.rs
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@ -3,15 +3,16 @@ use std::path::PathBuf;
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const CALLEE_NAME: &str = "Callee";
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fn main()
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{
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fn main() {
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let callee_root = env::var("CALLEE_PATH").expect("Callee path variable must be available");
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let lean_root = env::var("LEAN_ROOT").expect("Lean root must exist");
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let output_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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let input = format!("{lean_root}/include/lean/lean.h");
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println!("cargo:rerun-if-changed=build.rs");
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println!("cargo:rerun-if-changed={input}");
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println!("cargo:rustc-link-search={callee_root}");
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println!("cargo:rustc-link-search={lean_root}/lib/lean");
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println!("cargo:rustc-link-lib={CALLEE_NAME}");
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//println!("cargo:rustc-link-lib=Init_shared");
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println!("cargo:rustc-link-lib=leanshared");
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// The bindgen::Builder is the main entry point
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@ -38,15 +39,13 @@ fn main()
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// Unwrap the Result and panic on failure.
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.expect("Unable to generate bindings");
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let extern_src_path = std::env::temp_dir().join("bindgen").join("extern.c");
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let extern_obj_path = std::env::temp_dir().join("bindgen").join("extern.o");
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let output_path = PathBuf::from(std::env::var("OUT_DIR").unwrap());
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// Write the bindings to the $OUT_DIR/bindings.rs file.
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("lean.rs"))
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.write_to_file(output_path.join("lean.rs"))
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.expect("Couldn't write bindings!");
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let extern_src_path = env::temp_dir().join("bindgen").join("extern.c");
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let extern_obj_path = env::temp_dir().join("bindgen").join("extern.o");
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// This is the path to the static library file.
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let lib_path = output_path.join("libextern.a");
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@ -59,6 +58,8 @@ fn main()
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.arg(&extern_src_path)
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.arg("-include")
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.arg(&input)
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.arg("-I")
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.arg(format!("{lean_root}/include"))
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.output()
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.unwrap();
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if !clang_output.status.success() {
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@ -81,7 +82,7 @@ fn main()
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.arg(obj_path)
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.arg(format!(
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"/OUT:{}",
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out_dir_path.join("libextern.lib").display()
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output_path.join("libextern.lib").display()
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))
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.output()
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.unwrap();
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19
flake.lock
19
flake.lock
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@ -193,7 +193,24 @@
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"inputs": {
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"flake-parts": "flake-parts",
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"lean": "lean",
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"nixpkgs": "nixpkgs_3"
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"nixpkgs": "nixpkgs_3",
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"rust-crate2nix": "rust-crate2nix"
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}
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},
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"rust-crate2nix": {
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"flake": false,
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"locked": {
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"lastModified": 1708135620,
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"narHash": "sha256-O8FgwfMR8LgJjIX1RjEmme67sLscMUlmkJLlkb83RyY=",
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"owner": "kolloch",
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"repo": "crate2nix",
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"rev": "7eb26c517fa5b4b2056cc5e2e288e0117306e600",
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"type": "github"
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},
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"original": {
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"owner": "kolloch",
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"repo": "crate2nix",
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"type": "github"
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}
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}
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},
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37
flake.nix
37
flake.nix
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@ -5,6 +5,10 @@
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nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
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flake-parts.url = "github:hercules-ci/flake-parts";
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lean.url = "github:leanprover/lean4?ref=v4.1.0";
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rust-crate2nix = {
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url = "github:kolloch/crate2nix";
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flake = false;
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};
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};
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outputs = inputs @ {
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@ -12,6 +16,7 @@
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nixpkgs,
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flake-parts,
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lean,
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rust-crate2nix,
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...
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} : flake-parts.lib.mkFlake { inherit inputs; } {
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flake = {
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@ -27,19 +32,47 @@
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roots = [ "Callee" ];
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src = ./Callee;
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};
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common = [
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nativeBuildInputs = [
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];
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buildInputs = [
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leanPkgs.lean-all
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pkgs.libiconv
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];
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caller = let
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crateTools = pkgs.callPackage "${rust-crate2nix}/tools.nix" { inherit pkgs; };
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in import (crateTools.generatedCargoNix {
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name = "caller";
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src = ./.;
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}) {
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inherit pkgs;
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defaultCrateOverrides = pkgs.defaultCrateOverrides // {
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bindgen = attrs: {
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inherit nativeBuildInputs;
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buildInputs = nativeBuildInputs;
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};
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caller = attrs: {
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inherit nativeBuildInputs;
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inherit buildInputs;
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CALLEE_PATH = callee.sharedLib;
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LEAN_ROOT = leanPkgs.lean-all;
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};
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};
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};
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in rec {
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packages = {
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inherit (leanPkgs) lean iTree stage1 lean-all;
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callee = callee.sharedLib;
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caller = caller.rootCrate.build;
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bindgen = pkgs.rustPlatform.bindgenHook;
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};
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devShells.default = pkgs.mkShell {
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CALLEE_PATH = callee.sharedLib;
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LIBCLANG_PATH = "${pkgs.llvmPackages.libclang.lib}/lib";
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LEAN_ROOT = leanPkgs.lean-all;
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buildInputs = common ++ [
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nativeBuildInputs = [
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pkgs.rustPlatform.bindgenHook
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];
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buildInputs = buildInputs ++ nativeBuildInputs ++ [
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pkgs.rustc
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# This is not needed for compilation. It is here for diagnostic purposes
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pkgs.rust-bindgen
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