{ stdenv, rustPlatform, fetchFromGitHub, llvmPackages, darwin }: rustPlatform.buildRustPackage rec { pname = "cargo-expand"; version = "0.4.18"; src = fetchFromGitHub { owner = "dtolnay"; repo = pname; rev = version; sha256 = "1dhrzfy1ii2vg8psvz9rrgk0blj5bl64ghr0z44vh5y0kxn9v62p"; }; cargoSha256 = "13ib0binyw1rzxjg59ly3ahyr53wdq3z7wfp11gd61kzwz34gs9d"; buildInputs = [ llvmPackages.libclang ] ++ stdenv.lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security; LIBCLANG_PATH = "${llvmPackages.libclang}/lib"; meta = with stdenv.lib; { description = "A utility and Cargo subcommand designed to let people expand macros in their Rust source code"; homepage = "https://github.com/dtolnay/cargo-expand"; license = with licenses; [ mit asl20 ]; platforms = platforms.all; maintainers = with maintainers; [ xrelkd ]; }; }