Make plugin deprecated declarations fail in error

ports/dexed/source/ParamDialog.cpp

@@ -260,7 +260,7 @@ void ParamDialog::setDialogValues(Controllers &c, SysexComm &mgr, int reso, bool
     sysexOut->setSelectedItemIndex(idx);
 
     engineReso->setSelectedItemIndex(reso);
-    showKeyboard->setToggleState(showKey, false);
+    showKeyboard->setToggleState(showKey, dontSendNotification);
 }
 
 bool ParamDialog::getDialogValues(Controllers &c, SysexComm &mgr, int *reso, bool *showKey) {

scripts/make-project.lua

@@ -80,7 +80,7 @@ function make_plugin_project(name, spec)
   package.target       = project.name
   package.targetprefix = ""
   package.objdir       = "intermediate"
-  package.buildoptions = { "-Wall", os.getenv("CXXFLAGS") }
+  package.buildoptions = { "-Wall", "-Werror=deprecated-declarations", os.getenv("CXXFLAGS") }
   package.links        = {}
   package.linkoptions  = { os.getenv("LDFLAGS") }