{ stdenv, lib, fetchurl, util-linux, makeWrapper , enableReadline ? true, readline, ncurses }: stdenv.mkDerivation rec { pname = "calc"; version = "2.12.8.1"; src = fetchurl { urls = [ "https://github.com/lcn2/calc/releases/download/${version}/${pname}-${version}.tar.bz2" "http://www.isthe.com/chongo/src/calc/${pname}-${version}.tar.bz2" ]; sha256 = "sha256-TwVcuGaWIgzEc34DFEGFcmckXrwZ4ruRqselJClz15o="; }; patchPhase = '' substituteInPlace Makefile \ --replace '-install_name ''${LIBDIR}/libcalc''${LIB_EXT_VERSION}' '-install_name ''${T}''${LIBDIR}/libcalc''${LIB_EXT_VERSION}' \ --replace '-install_name ''${LIBDIR}/libcustcalc''${LIB_EXT_VERSION}' '-install_name ''${T}''${LIBDIR}/libcustcalc''${LIB_EXT_VERSION}' ''; nativeBuildInputs = [ makeWrapper ]; buildInputs = [ util-linux ] ++ lib.optionals enableReadline [ readline ncurses ]; makeFlags = [ "T=$(out)" "INCDIR=" "BINDIR=/bin" "LIBDIR=/lib" "CALC_SHAREDIR=/share/calc" "CALC_INCDIR=/include" "MANDIR=/share/man/man1" # Handle LDFLAGS defaults in calc "DEFAULT_LIB_INSTALL_PATH=$(out)/lib" ] ++ lib.optionals enableReadline [ "READLINE_LIB=-lreadline" "USE_READLINE=-DUSE_READLINE" ]; meta = with lib; { description = "C-style arbitrary precision calculator"; homepage = "http://www.isthe.com/chongo/tech/comp/calc/"; license = licenses.lgpl21; maintainers = with maintainers; [ matthewbauer ]; platforms = platforms.all; }; }