Add version test macro for PackageKitQt

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 3.6)
 cmake_policy(SET CMP0048 NEW)
 
 if (POLICY CMP0043)

src/CMakeLists.txt

@@ -1,6 +1,7 @@
 # CMakeLists for PackageKit-Qt library
 
 set(packagekitqt_HEADERS
+    PackageKitQt
     Daemon
     Transaction
     common.h
@@ -24,6 +25,9 @@ set(packagekitqt_SRC
     offline.cpp
 )
 
+set(QPK_VERSION_HDR ${CMAKE_CURRENT_BINARY_DIR}/qpk-version.h)
+configure_file(qpk-version.h.in ${QPK_VERSION_HDR})
+
 find_path(PK_INTERFACES_DIR org.freedesktop.PackageKit.xml
 	HINTS ${CMAKE_INSTALL_PREFIX} /usr
 	PATH_SUFFIXES share/dbus-1/interfaces/
@@ -60,7 +64,7 @@ install(TARGETS packagekitqt${QT_VERSION_MAJOR} EXPORT PackageKitQtTargets DESTI
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/packagekitqt${QT_VERSION_MAJOR}.pc
 	DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
 )
-install(FILES ${packagekitqt_HEADERS}
+install(FILES ${packagekitqt_HEADERS} ${QPK_VERSION_HDR}
         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/packagekitqt${QT_VERSION_MAJOR}/PackageKit/
 )
 

src/PackageKitQt

@@ -0,0 +1,6 @@
+
+#pragma once
+#include "daemon.h"
+#include "details.h"
+#include "offline.h"
+#include "transaction.h"

src/packagekitqt_global.h

@@ -9,4 +9,6 @@
 #  define PACKAGEKITQT_LIBRARY Q_DECL_IMPORT
 #endif
 
+#include "qpk-version.h"
+
 #endif // PACKAGEKITQT_GLOBAL_H

src/qpk-version.h.in

@@ -0,0 +1,36 @@
+/*
+ * This file is part of the PackageKitQt project
+ * Copyright (C) 2021-2024 Matthias Klumpp <[email protected]>
+ *
+ * Licensed under the GNU Lesser General Public License Version 2.1
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 2.1 of the license, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/* compile time version
+ */
+#define QPK_MAJOR_VERSION @packagekit-qt_VERSION_MAJOR@
+#define QPK_MINOR_VERSION @packagekit-qt_VERSION_MINOR@
+#define QPK_MICRO_VERSION @packagekit-qt_VERSION_PATCH@
+
+/* check whether a PackageKitQt version equal to or greater than
+ * major.minor.micro.
+ */
+#define QPK_CHECK_VERSION(major,minor,micro)    \
+    (QPK_MAJOR_VERSION > (major) || \
+     (QPK_MAJOR_VERSION == (major) && QPK_MINOR_VERSION > (minor)) || \
+     (QPK_MAJOR_VERSION == (major) && QPK_MINOR_VERSION == (minor) && \
+      QPK_MICRO_VERSION >= (micro)))