Fixed clang compiler warnings.

Author: kpeeters

client_server/Server.cc

@@ -201,7 +201,7 @@ std::string Server::run_string(const std::string& blk, bool handle_output)
 	return result;
 	}
 
-void Server::on_socket_init(websocketpp::connection_hdl, boost::asio::ip::tcp::socket & s)
+void Server::on_socket_init(websocketpp::connection_hdl, boost::asio::ip::tcp::socket & /* s */)
 	{
 	boost::asio::ip::tcp::no_delay option(true);
 	// FIXME: this used to work in older websocketpp

client_server/Server.hh

@@ -34,7 +34,7 @@ class Server {
 		Server();
 		Server(const Server&)=delete;
 		Server(const std::string& socket);
-		~Server();
+		virtual ~Server();
 
 		/// The only user-visible part: just instantiate a server object and
 		/// start it with run(). This will not return until the server has

core/SympyCdb.cc

@@ -14,11 +14,17 @@ using namespace cadabra;
 
 // #define DEBUG 1
 
+#ifndef NO_SYMPY
+
 sympy::SympyBridge::SympyBridge(const Kernel& k, std::shared_ptr<Ex> ex)
 	: DisplaySympy(k, *ex), ex(ex)
 	{
 	}
 
+sympy::SympyBridge::~SympyBridge()
+	{
+	}
+
 pybind11::object sympy::SympyBridge::export_ex()
 	{
 	std::ostringstream str;
@@ -52,6 +58,7 @@ void sympy::SympyBridge::import_ex(const std::string& s)
 	ex->move_ontop(orig, first);
 	}
 
+#endif
 
 Ex::iterator sympy::apply(const Kernel& kernel, Ex& ex, Ex::iterator& it, const std::vector<std::string>& wrap, std::vector<std::string> args,
                           const std::string& method)
@@ -210,7 +217,7 @@ void sympy::invert_matrix(const Kernel& kernel, Ex& ex, Ex& rules, const Ex& toc
 			if(el->is_zero()==false) {
 				Ex rule("\\equals");
 				auto rit  = rule.append_child(rule.begin(), tocompute.begin());
-				auto cvit = rule.append_child(rule.begin(), Ex::iterator(el));
+				/* auto cvit = */ rule.append_child(rule.begin(), Ex::iterator(el));
 				auto i = rule.begin(rit);
 				//std::cerr << c1 << ", " << c2 << std::endl;
 				i = rule.replace_index(i, prop1->values[c1].begin(), true);

core/SympyCdb.hh

@@ -19,6 +19,7 @@ namespace sympy {
 	class SympyBridge : public cadabra::DisplaySympy {
 		public:
 			SympyBridge(const cadabra::Kernel&, std::shared_ptr<cadabra::Ex>);
+			virtual ~SympyBridge();
 
 			pybind11::object export_ex();
 			void             import_ex(const std::string&);

frontend/gtkmm/DiffViewer.cc

@@ -143,7 +143,7 @@ DiffViewer::DiffViewer(std::istream& a, std::istream& b, Gtk::Window& parent)
 
 void DiffViewer::run_noblock()
 	{
-	signal_response().connect([this](int response_id) {
+	signal_response().connect([this](int /* response_id */) {
 		hide();
 		});
 	show();

frontend/gtkmm/NotebookWindow.cc

@@ -1036,7 +1036,7 @@ bool NotebookWindow::cell_toggle_visibility(DTree::iterator it, int )
 	return false;
 	}
 
-bool NotebookWindow::cell_content_changed(DTree::iterator, int i)
+bool NotebookWindow::cell_content_changed(DTree::iterator, int /* i */)
 	{
 	modified=true;
 	unselect_output_cell();