depot/third_party/nixpkgs/pkgs/development/libraries/libmemcached/default.nix

{ lib, stdenv, fetchurl, fetchpatch, cyrus_sasl, libevent }:

stdenv.mkDerivation rec {
  pname = "libmemcached";
  version = "1.0.18";

  src = fetchurl {
    url = "https://launchpad.net/libmemcached/${lib.versions.majorMinor version}/${version}/+download/libmemcached-${version}.tar.gz";
    sha256 = "10jzi14j32lpq0if0p9vygcl2c1352hwbywzvr9qzq7x6aq0nb72";
  };

  # Fix linking against libpthread (patch from Fedora)
  # https://bugzilla.redhat.com/show_bug.cgi?id=1037707
  # https://bugs.launchpad.net/libmemcached/+bug/1281907
  # Fix building on macOS (patch from Homebrew)
  # https://bugs.launchpad.net/libmemcached/+bug/1245562
  patches = lib.optional stdenv.isLinux ./libmemcached-fix-linking-with-libpthread.patch
    ++ lib.optional stdenv.isDarwin (fetchpatch {
      url = "https://raw.githubusercontent.com/Homebrew/homebrew/bfd4a0a4626b61c2511fdf573bcbbc6bbe86340e/Library/Formula/libmemcached.rb";
      sha256 = "1gjf3vd7hiyzxjvlg2zfc3y2j0lyr6nhbws4xb5dmin3csyp8qb8";
    })
    ++ lib.optional stdenv.hostPlatform.isMusl ./musl-fixes.patch;

  buildInputs = [ libevent ];
  propagatedBuildInputs = [ cyrus_sasl ];

  NIX_CFLAGS_COMPILE = "-fpermissive";

  meta = with lib; {
    homepage = "https://libmemcached.org";
    description = "Open source C/C++ client library and tools for the memcached server";
    license = licenses.bsd3;
    platforms = platforms.linux ++ platforms.darwin;
  };
}