Restored the previously suppressed __attribute__ unused in a portable way

plugins/samplesource/airspy/airspyplugin.cpp

@@ -134,6 +134,9 @@ PluginInstanceGUI* AirspyPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/airspyhf/airspyhfplugin.cpp

@@ -104,6 +104,9 @@ PluginInstanceGUI* AirspyHFPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/bladerf1input/bladerf1inputplugin.cpp

@@ -113,6 +113,9 @@ PluginInstanceGUI* Blderf1InputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/bladerf2input/bladerf2inputplugin.cpp

@@ -118,6 +118,9 @@ PluginInstanceGUI* Blderf2InputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;    
     return 0;
 }
 #else

plugins/samplesource/fcdpro/fcdproplugin.cpp

@@ -86,6 +86,9 @@ PluginInstanceGUI* FCDProPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/fcdproplus/fcdproplusplugin.cpp

@@ -88,6 +88,9 @@ PluginInstanceGUI* FCDProPlusPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/filesource/filesourceplugin.cpp

@@ -78,6 +78,9 @@ PluginInstanceGUI* FileSourcePlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/hackrfinput/hackrfinputplugin.cpp

@@ -129,6 +129,9 @@ PluginInstanceGUI* HackRFInputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/kiwisdr/kiwisdrplugin.cpp

@@ -79,6 +79,9 @@ PluginInstanceGUI* KiwiSDRPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/limesdrinput/limesdrinputplugin.cpp

@@ -116,6 +116,9 @@ PluginInstanceGUI* LimeSDRInputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/localinput/localinputplugin.cpp

@@ -78,6 +78,9 @@ PluginInstanceGUI* LocalInputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/perseus/perseusplugin.cpp

@@ -94,6 +94,9 @@ PluginInstanceGUI* PerseusPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/plutosdrinput/plutosdrinputplugin.cpp

@@ -94,6 +94,9 @@ PluginInstanceGUI* PlutoSDRInputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/remoteinput/remoteinputplugin.cpp

@@ -78,6 +78,9 @@ PluginInstanceGUI* RemoteInputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/rtlsdr/rtlsdrplugin.cpp

@@ -74,6 +74,9 @@ PluginInstanceGUI* RTLSDRPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/sdrplay/sdrplayplugin.cpp

@@ -97,6 +97,9 @@ PluginInstanceGUI* SDRPlayPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/soapysdrinput/soapysdrinputplugin.cpp

@@ -94,6 +94,9 @@ PluginInstanceGUI* SoapySDRInputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/testsource/testsourceplugin.cpp

@@ -78,6 +78,9 @@ PluginInstanceGUI* TestSourcePlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesource/xtrxinput/xtrxinputplugin.cpp

@@ -92,6 +92,9 @@ PluginInstanceGUI* XTRXInputPlugin::createSampleSourcePluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sourceId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else