diff --git a/pkgs/default.nix b/pkgs/default.nix

index 87d3b4b5ee484beebc35a7ba85b993fa823e8c40..d6adb4566526e0944ecb207dede2b5ff0f73e2c6 100644

--- a/pkgs/default.nix

+++ b/pkgs/default.nix

@@ -418,6 +418,7 @@ go-mqtt-to-influxdb = callPackage ./mqtt/go-mqtt-to-influxdb { };

 influxdb-cxx = callPackage ./mqtt/influxdb-cxx { };

 ioxy = callPackage ./mqtt/ioxy { };

 janus-mqtt-proxy = callPackage ./mqtt/janus-mqtt-proxy { };

• libumqtt = callPackage ./mqtt/libumqtt { };

 mongoose = callPackage ./mqtt/mongoose { };

 mproxy = callPackage ./mqtt/mproxy { };

 mqcontrol = callPackage ./mqtt/mqcontrol { };

diff --git a/pkgs/mqtt/libumqtt/default.nix b/pkgs/mqtt/libumqtt/default.nix

new file mode 100644

index 0000000000000000000000000000000000000000..48abcdedd9fcda96e00d97b9af481f184661ea75

--- /dev/null

+++ b/pkgs/mqtt/libumqtt/default.nix

@@ -0,0 +1,34 @@

+{ lib, stdenv, fetchFromGitHub, cmake, libev, lua, openssl, zlib }:

+stdenv.mkDerivation (finalAttrs: {

• pname = "libumqtt";

• version = "1.1.1";

• src = fetchFromGitHub {

• owner = "zhaojh329";

• repo = "libumqtt";

• rev = "v${finalAttrs.version}";

• hash = "sha256-rNKcGU0LcTnSaVJjkI3onSpgJUY1apHaoFyx8GmyO8Y=";

• fetchSubmodules = true;

• };

• postPatch = lib.optionalString stdenv.isDarwin ''

• substituteInPlace src/buffer/buffer.h \

•  --replace "<endian.h>" "<machine/endian.h>"
  

• '';

• nativeBuildInputs = [ cmake ];

• buildInputs = [ libev lua openssl zlib ];

• env.NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration -Wno-error=misleading-indentation";

• meta = with lib; {

• description = "A Lightweight and fully asynchronous MQTT client C library based on libev";

• inherit (finalAttrs.src.meta) homepage;

• license = licenses.mit;

• maintainers = [ maintainers.sikmir ];

• platforms = platforms.linux;

• skip.ci = stdenv.isDarwin;

• };

+})