{ lib, stdenv, fetchFromGitHub, autoreconfHook }: stdenv.mkDerivation rec { pname = "metamath"; version = "0.198"; nativeBuildInputs = [ autoreconfHook ]; src = fetchFromGitHub { owner = "metamath"; repo = "metamath-exe"; rev = "v${version}"; sha256 = "sha256-Cg1dgz+uphDlGhKH3mTywtAccWinC5+pwNv4TB3YAnI="; }; meta = with lib; { description = "Interpreter for the metamath proof language"; mainProgram = "metamath"; longDescription = '' The metamath program is an ASCII-based ANSI C program with a command-line interface. It was used (along with mmj2) to build and verify the proofs in the Metamath Proof Explorer, and it generated its web pages. The *.mm ASCII databases (set.mm and others) are also included in this derivation. ''; homepage = "https://us.metamath.org"; downloadPage = "https://us.metamath.org/#downloads"; license = licenses.gpl2Plus; maintainers = [ maintainers.taneb ]; platforms = platforms.all; }; }