tezos-rust-libs: fix build on darwin

+2 -1
+2 -1
pkgs/development/libraries/tezos-rust-libs/default.nix
··· 1 - { lib, fetchFromGitLab, stdenv, llvmPackages_12, cargo }: 1 + { lib, fetchFromGitLab, stdenv, llvmPackages_12, cargo, libiconv }: 2 2 3 3 stdenv.mkDerivation rec { 4 4 version = "1.5"; ··· 12 12 13 13 nativeBuildInputs = [ llvmPackages_12.llvm cargo ]; 14 14 propagatedBuildDeps = [ llvmPackages_12.libllvm ]; 15 + buildInputs = lib.optionals stdenv.isDarwin [ libiconv ]; 15 16 16 17 buildPhase = '' 17 18 runHook preBuild