Cleanup CMake builds

Author: fpoussin

.cmake.conf

@@ -1 +1 @@
-set(QT_REPO_MODULE_VERSION "6.0.3")
+set(QT_REPO_MODULE_VERSION "6.4.2")

CMakeLists.txt

@@ -2,9 +2,12 @@
 
 cmake_minimum_required(VERSION 3.16)
 
+# Allow to build with a different Qt version
+set(QT_NO_PACKAGE_VERSION_CHECK TRUE)
+
 include(.cmake.conf)
 project(QtUsb
-    VERSION         6.8.0 # FIXME: this needs to match host's Qt version
+    VERSION         6.0.0 # We need 6.x
     DESCRIPTION     "A cross-platform USB Module for Qt."
     HOMEPAGE_URL    "https://github.com/fpoussin/QtUsb"
     LANGUAGES       CXX C

README.md

@@ -29,7 +29,8 @@ Check the [releases](https://github.com/fpoussin/QtUsb/releases) page or [appvey
 ## Build  
 
 **Unix**  
-You need libusb-1.0-0-dev, libhidapi-dev and pkg-config packages installed  
+You need `libusb-1.0-0-dev`, `libhidapi-dev` and `pkg-config` packages installed  
+If using system packages on Ubuntu, you'll need `qt6-base-private-dev` as well.  
 ```shell
 mkdir build && cd build
 cmake ..

src/usb/qhiddevice_p.h

@@ -1,6 +1,17 @@
 #ifndef QHIDDEVICE_P_H
 #define QHIDDEVICE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qhiddevice.h"
 #include <private/qobject_p.h>
 #include <hidapi.h>

src/usb/qusb_p.h

@@ -1,6 +1,17 @@
 #ifndef Q_USB_P_H
 #define Q_USB_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qusb.h"
 #include <private/qobject_p.h>
 #include <QTimer>

src/usb/qusbdevice_p.h

@@ -1,6 +1,17 @@
 #ifndef QUSBDEVICE_P_H
 #define QUSBDEVICE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qusbdevice.h"
 #include <private/qobject_p.h>
 #include <QThread>

src/usb/qusbendpoint.h

@@ -6,6 +6,8 @@
 #include <QIODevice>
 #include <QObject>
 
+QT_BEGIN_NAMESPACE
+
 class QUsbEndpointPrivate;
 
 class Q_USB_EXPORT QUsbEndpoint : public QIODevice
@@ -112,4 +114,6 @@ public Q_SLOTS:
     const quint8 m_ep;
 };
 
+QT_END_NAMESPACE
+
 #endif // QUSBENDPOINT_H

src/usb/qusbendpoint_p.h

@@ -1,6 +1,17 @@
 #ifndef QUSBENDPOINT_P_H
 #define QUSBENDPOINT_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qusbendpoint.h"
 #include <QMutexLocker>
 #include <private/qiodevice_p.h>