Added --with-qtsingleapplication=[shipped|system] flag to the configure file to comply with Linux distributions that are packaging qtsingleapplication solution.

configure

@@ -18,15 +18,24 @@ Main options:
   --help              This help text.
 
 Dependency options:
-  --disable-gui                      Disable qBittorrent Graphical user
+  --disable-gui                                   Disable qBittorrent
-                                    interface for headless running
+                                                 Graphical user interface for
-  --with-libboost-inc=[path]         Path to libboost include files
+                                                 headless running
-  --with-libboost-lib=[path]         Path to libboost library files
+  --with-libboost-inc=[path]                      Path to libboost include
-  --disable-libnotify               Disable use of libnotify
+                                                 files
-  --disable-geoip-database          Disable use of geoip-database
+  --with-libboost-lib=[path]                      Path to libboost library
-  --with-geoip-database-embedded     Geoip Database will be embedded in
+                                                 files
-                                    qBittorrent executable (please follow
+  --disable-libnotify                            Disable use of libnotify
-                                    instructions in src/geoip/README)
+  --disable-geoip-database                       Disable use of geoip-database
+  --with-geoip-database-embedded                  Geoip Database will be
+                                                 embedded in qBittorrent
+                                                 executable (please follow
+                                                 instructions in
+                                                 src/geoip/README)
+  --disable-qtsingleapplication                  Disable use of libboost
+  --with-qtsingleapplication=[system|shipped]     Use the shipped
+                                                 qtsingleapplication library
+                                                 or the system one
 
 EOT
 }
@@ -173,6 +182,16 @@ while [ $# -gt 0 ]; do
 			shift
 			;;
 
+		--disable-qtsingleapplication)
+			QC_DISABLE_qtsingleapplication="Y"
+			shift
+			;;
+
+		--with-qtsingleapplication=*)
+			QC_WITH_QTSINGLEAPPLICATION=$optarg
+			shift
+			;;
+
 		--verbose)
 			QC_VERBOSE="Y"
 			shift
@@ -200,6 +219,8 @@ echo QC_WITH_LIBBOOST_LIB=$QC_WITH_LIBBOOST_LIB
 echo QC_DISABLE_libnotify=$QC_DISABLE_libnotify
 echo QC_DISABLE_geoip_database=$QC_DISABLE_geoip_database
 echo QC_WITH_GEOIP_DATABASE_EMBEDDED=$QC_WITH_GEOIP_DATABASE_EMBEDDED
+echo QC_DISABLE_qtsingleapplication=$QC_DISABLE_qtsingleapplication
+echo QC_WITH_QTSINGLEAPPLICATION=$QC_WITH_QTSINGLEAPPLICATION
 echo
 fi
 
@@ -585,6 +606,33 @@ public:
 #endif
 	}
 };
+#line 1 "qtsingleapplication.qcm"
+/*
+-----BEGIN QCMOD-----
+name: libboost
+arg: with-qtsingleapplication=[system|shipped], Use the shipped qtsingleapplication library or the system one
+-----END QCMOD-----
+*/
+class qc_qtsingleapplication : public ConfObj
+{
+public:
+	qc_qtsingleapplication(Conf *c) : ConfObj(c) {}
+	QString name() const { return "qtsingleapplication library"; }
+	QString shortname() const { return "qtsingleapplication"; }
+
+	bool exec(){
+        	QString s;
+		s = conf->getenv("QC_WITH_QTSINGLEAPPLICATION");
+                if(s.compare("system", Qt::CaseInsensitive) == 0) {
+                  // System
+                  conf->addDefine("USE_SYSTEM_QTSINGLEAPPLICATION");
+                  printf(" [system] ");
+                } else {
+                  printf(" [shipped] ");
+		}
+		return true;
+	}
+};
 
 EOT
 cat >$1/modules_new.cpp <<EOT
@@ -606,6 +654,9 @@ cat >$1/modules_new.cpp <<EOT
     o = new qc_geoip_database(conf);
     o->required = false;
     o->disabled = false;
+    o = new qc_qtsingleapplication(conf);
+    o->required = false;
+    o->disabled = false;
 
 EOT
 cat >$1/conf4.h <<EOT
@@ -1557,6 +1608,8 @@ export QC_WITH_LIBBOOST_LIB
 export QC_DISABLE_libnotify
 export QC_DISABLE_geoip_database
 export QC_WITH_GEOIP_DATABASE_EMBEDDED
+export QC_DISABLE_qtsingleapplication
+export QC_WITH_QTSINGLEAPPLICATION
 export QC_VERBOSE
 rm -rf .qconftemp
 (

qbittorrent.qc

@@ -19,4 +19,6 @@
   </dep>
   <dep type='geoip-database'>
   </dep>
+  <dep type='qtsingleapplication'>
+  </dep>
 </qconf>

src/src.pro

@@ -342,10 +342,16 @@ contains(DEFINES, DISABLE_GUI) {
   }
 }
 
-contains(DEFINES, DISABLE_GUI) {
+contains(DEFINES, USE_SYSTEM_QTSINGLEAPPLICATION) {
-  include(qtsingleapp/qtsinglecoreapplication.pri)
+  message("Using the system's qtsingleapplication library")
+  CONFIG += qtsingleapplication
 } else {
-  include(qtsingleapp/qtsingleapplication.pri)
+  message("Using the shipped qtsingleapplication library")
+  contains(DEFINES, DISABLE_GUI) {
+    include(qtsingleapp/qtsinglecoreapplication.pri)
+  } else {
+    include(qtsingleapp/qtsingleapplication.pri)
+  }
 }
 
 !contains(DEFINES, DISABLE_GUI) {