#define FiltedLog( ...)
    if (logDetail)
        MP_LOG(LOG_INFO,  __VA_ARGS__);

#define MP_LOG(level,fmt,...)
    BOOAT::LOG("MP", level, fmt, ##__VA_ARGS__)

#define LOG(tag,level,fmt,...)
    Log::log(tag, level, "%s: " fmt, __PRETTY_FUNCTION__, ##__VA_ARGS__)

int main ()
{
     FiltedLog ( "abc", 1, 2);
}

#line 1 "test.cpp"

int main ()
{
     if (logDetail) BOOAT::Log::log("MP", LOG_INFO, "%s: " "abc", 1, 2, __PRETTY_FUNCTION__ );;
}

if (logDetail) BOOAT::Log::log("MP", LOG_INFO, "%s: " "abc", __PRETTY_FUNCTION__, 1, 2);;

#define INDIRECT_EXPAND(m, args) m args

#define FiltedLog( ...)
    if (logDetail)
        INDIRECT_EXPAND(MP_LOG, (LOG_INFO, __VA_ARGS__));