Restored the previously suppressed __attribute__ unused in a portable way

plugins/samplesink/bladerf1output/bladerf1outputplugin.cpp

@@ -114,6 +114,9 @@ PluginInstanceGUI* Bladerf1OutputPlugin::createSampleSinkPluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sinkId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesink/bladerf2output/bladerf2outputplugin.cpp

@@ -118,6 +118,9 @@ PluginInstanceGUI* BladeRF2OutputPlugin::createSampleSinkPluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sinkId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesink/filesink/filesinkplugin.cpp

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

plugins/samplesink/hackrfoutput/hackrfoutputplugin.cpp

@@ -127,6 +127,9 @@ PluginInstanceGUI* HackRFOutputPlugin::createSampleSinkPluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sinkId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesink/limesdroutput/limesdroutputplugin.cpp

@@ -117,6 +117,9 @@ PluginInstanceGUI* LimeSDROutputPlugin::createSampleSinkPluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sinkId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesink/localoutput/localoutputplugin.cpp

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

plugins/samplesink/plutosdroutput/plutosdroutputplugin.cpp

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

plugins/samplesink/remoteoutput/remoteoutputplugin.cpp

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

plugins/samplesink/soapysdroutput/soapysdroutputplugin.cpp

@@ -95,6 +95,9 @@ PluginInstanceGUI* SoapySDROutputPlugin::createSampleSinkPluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sinkId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else

plugins/samplesink/xtrxoutput/xtrxoutputplugin.cpp

@@ -91,6 +91,9 @@ PluginInstanceGUI* XTRXOutputPlugin::createSampleSinkPluginInstanceGUI(
         QWidget **widget,
         DeviceUISet *deviceUISet)
 {
+    (void) sinkId;
+    (void) widget;
+    (void) deviceUISet;
     return 0;
 }
 #else