{ stdenv, lib, fetchurl, utillinux, makeWrapper , enableReadline ? true, readline, ncurses }: stdenv.mkDerivation rec { name = "calc-${version}"; version = "2.12.7.2"; src = fetchurl { urls = [ "https://github.com/lcn2/calc/releases/download/${version}/${name}.tar.bz2" "http://www.isthe.com/chongo/src/calc/${name}.tar.bz2" ]; sha256 = "147wmbajcxv6wp92j6pizq4plrr1sb7jirifr1477bx33hc49bsp"; }; patchPhase = '' substituteInPlace Makefile \ --replace 'all: check_include' 'all:' \ --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}' ''; buildInputs = [ utillinux makeWrapper ] ++ lib.optionals enableReadline [ readline ncurses ]; makeFlags = [ "T=$(out)" "INCDIR=${lib.getDev stdenv.cc.libc}/include" "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; }; }