pkgs/tools/misc/bc/default.nix


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{ stdenv, autoreconfHook, buildPackages
, fetchurl, flex, readline, ed, texinfo
}:

stdenv.mkDerivation rec {
  name = "bc-1.07.1";
  src = fetchurl {
    url = "mirror://gnu/bc/${name}.tar.gz";
    sha256 = "62adfca89b0a1c0164c2cdca59ca210c1d44c3ffc46daf9931cf4942664cb02a";
  };

  configureFlags = [ "--with-readline" ];

  # As of 1.07 cross-compilation is quite complicated as the build system wants
  # to build a code generator, bc/fbc, on the build machine.
  patches = [ ./cross-bc.patch ];
  depsBuildBuild = [ buildPackages.stdenv.cc ];
  nativeBuildInputs = [
    # Tools
    autoreconfHook ed flex texinfo
    # Libraries for build
    buildPackages.readline buildPackages.ncurses
  ];
  buildInputs = [ readline flex ];

  doCheck = true; # not cross

  # Hack to make sure we never to the relaxation `$PATH` and hooks support for
  # compatability. This will be replaced with something clearer in a future
  # masss-rebuild.
  strictDeps = true;

  meta = {
    description = "GNU software calculator";
    homepage = https://www.gnu.org/software/bc/;
    license = stdenv.lib.licenses.gpl3;
    platforms = stdenv.lib.platforms.all;
  };
}