linux下编译dbus源码

sudo apt-get update
sudo apt-get install build-essential libtool autoconf automake pkg-config libglib2.0-dev

git clone https://github.com/bus1/dbus.git
cd dbus

./autogen.sh --prefix=/usr/local
make
sudo make install

sudo ldconfig

#include <dbus/dbus.h>
#include <stdio.h>

void send_hello_message(DBusConnection *conn) {
    DBusMessage *msg;
    DBusMessageIter args;
    dbus_uint32_t serial = 0;

    msg = dbus_message_new_method_call("com.example.Service", "/com/example/Object", "com.example.Interface", "Hello");
    dbus_message_iter_init_append(msg, &args);
    dbus_message_iter_append_basic(&args, DBUS_TYPE_STRING, &"Hello from client");

    if (!dbus_connection_send(conn, msg, &serial)) {
        fprintf(stderr, "Out of memory!\n");
        dbus_message_unref(msg);
        return;
    }
    dbus_connection_flush(conn);

    dbus_message_unref(msg);
}

int main(int argc, char *argv[]) {
    DBusConnection *conn;
    DBusError err;

    dbus_error_init(&err);

    conn = dbus_bus_get(DBUS_BUS_SESSION, &err);
    if (dbus_error_is_set(&err)) {
        fprintf(stderr, "Connection Error (%s)\n", err.message);
        dbus_error_free(&err);
        return 1;
    }

    send_hello_message(conn);

    dbus_connection_unref(conn);
    return 0;
}

gcc `pkg-config --cflags --libs dbus-1` -o dbus_example dbus_example.c