{ lib, stdenv, fetchFromGitHub }: stdenv.mkDerivation rec { pname = "exprtk"; version = "0.0.2"; src = fetchFromGitHub { owner = "ArashPartow"; repo = pname; rev = version; hash = "sha256-ZV5nS6wEbKfzXhfXEtVlkwaEtxpTOYQaGlaxKx3FIvE="; }; dontBuild = true; installPhase = '' runHook preInstall install -Dm644 exprtk.hpp "$out/include/exprtk.hpp" runHook postInstall ''; meta = with lib; { description = "The C++ Mathematical Expression Toolkit Library"; homepage = "https://www.partow.net/programming/exprtk/index.html"; license = licenses.mit; maintainers = with maintainers; [ anselmschueler ]; }; }