MQTT-dll

Windows MQTT client for Borland C++ Builder

1. Create paho-mqtt3c.dll using Visual Studio from the eclipse-paho-mqtt-c-src-1.2.0\Windows Build\Paho C MQTT APIs.sln

2. Make paho-mqtt3c.lib from paho-mqtt3c.dll using follow script implib -c -f -a paho-mqtt3c.lib paho-mqtt3c.dll tdump paho-mqtt3c.lib > paho-mqtt3c.lib.txt tdump paho-mqtt3c.dll > paho-mqtt3c.dll.txt

3. Modify MQTTClient.h as follow ...

   #if defined(__cplusplus)

     extern "C" {
   

   #endif

   #if !defined(MQTTCLIENT_H)

   #define MQTTCLIENT_H

   #if defined(BORLANDC)

   #pragma option push

   #pragma option -VC

   #define CALL __stdcall

   #else

   #define CALL

   #endif ...

   DLLExport int CALL MQTTClient_setCallbacks(MQTTClient handle, void* context, MQTTClient_connectionLost* cl, MQTTClient_messageArrived* ma, MQTTClient_deliveryComplete* dc); ...

   #if defined(BORLANDC)

   #pragma option pop

   #endif

   #endif

   #ifdef __cplusplus

   }

   #endif