nixpkgs/pkgs/applications/audio/aucatctl/default.nix

{ lib, stdenv, fetchurl, sndio, libbsd }:

stdenv.mkDerivation rec {
  pname = "aucatctl";
  version = "0.1";

  src = fetchurl {
    url = "http://www.sndio.org/${pname}-${version}.tar.gz";
    sha256 = "524f2fae47db785234f166551520d9605b9a27551ca438bd807e3509ce246cf0";
  };

  buildInputs = [ sndio ]
    ++ lib.optional (!stdenv.isDarwin && !stdenv.targetPlatform.isBSD)
    libbsd;

  outputs = [ "out" "man" ];

  preBuild = ''
    makeFlagsArray+=("PREFIX=$out")
  '' + lib.optionalString
    (!stdenv.isDarwin && !stdenv.targetPlatform.isBSD) ''
      makeFlagsArray+=(LDADD="-lsndio -lbsd")

      # Fix warning about implicit declaration of function 'strlcpy'
      substituteInPlace aucatctl.c \
        --replace '#include <string.h>' '#include <bsd/string.h>'
    '';

  meta = with lib; {
    description =
      "The aucatctl utility sends MIDI messages to control sndiod and/or aucat volumes";
    homepage = "http://www.sndio.org";
    license = licenses.isc;
    maintainers = with maintainers; [ sna ];
    platforms = platforms.unix;
  };
}