Suppress warnings for a library (example)

safe_amqpcpp.h

#pragma once

// Suppress warnings for AMQP-CPP
#if defined(__clang__)
    #pragma clang diagnostic push
    #pragma clang diagnostic ignored "-Wunused-parameter"
    #pragma clang diagnostic ignored "-Wclass-conversion"
    #pragma clang diagnostic ignored "-Wdeprecated-copy"
    #include <amqpcpp.h>
    #include <amqpcpp/libev.h>
    #pragma clang diagnostic pop
#elif defined(__GNUC__) || defined(__GNUG__)
    #pragma GCC diagnostic push
    #pragma GCC diagnostic ignored "-Wunused-parameter"
    #pragma GCC diagnostic ignored "-Wclass-conversion"
    #pragma GCC diagnostic ignored "-Wdeprecated-copy"
    #include <amqpcpp.h>
    #include <amqpcpp/libev.h>
    #pragma GCC diagnostic pop
#else
    #include <amqpcpp.h>
    #include <amqpcpp/libev.h>
#endif