Glib throws a const FileError exception

4 files changed, 4 insertions, 4 deletions

diff --git a/libs/ardour/luaproc.cc b/libs/ardour/luaproc.cc
index ec13efb1bf..bf93e1df67 100644
--- a/libs/ardour/luaproc.cc
+++ b/libs/ardour/luaproc.cc
@@ -1258,7 +1258,7 @@ LuaPluginInfo::load (Session& session)
 
 	try {
 		script = Glib::file_get_contents (path);
-	} catch (Glib::FileError err) {
+	} catch (Glib::FileError const& err) {
 		return PluginPtr ();
 	}
 
diff --git a/libs/ardour/luascripting.cc b/libs/ardour/luascripting.cc
index 1193e08130..e748fb656e 100644
--- a/libs/ardour/luascripting.cc
+++ b/libs/ardour/luascripting.cc
@@ -262,7 +262,7 @@ LuaScripting::scan_script (const std::string &fn, const std::string &sc)
 		try {
 			std::string script = Glib::file_get_contents (fn);
 			sha1_write (&s, (const uint8_t *) script.c_str(), script.size ());
-		} catch (Glib::FileError err) {
+		} catch (Glib::FileError const& err) {
 			return LuaScriptInfoPtr();
 		}
 	}
diff --git a/libs/ardour/session_directory.cc b/libs/ardour/session_directory.cc
index 1f6b991f82..fd90959ac4 100644
--- a/libs/ardour/session_directory.cc
+++ b/libs/ardour/session_directory.cc
@@ -167,7 +167,7 @@ SessionDirectory::sources_root () const
 			PBD::fatal << string_compose (_("The session's interchange dir is tainted.\nThere is more than one folder in '%1'.\nPlease remove extra subdirs to reduce possible filename ambiguties."), sources_root_path) << endmsg;
 			assert (0); // not reached
 		}
-	} catch (Glib::FileError) {
+	} catch (Glib::FileError const&) {
 		;
 	}
 
diff --git a/libs/ardour/test/lua_script_test.cc b/libs/ardour/test/lua_script_test.cc
index a404824d15..d707fdb34e 100644
--- a/libs/ardour/test/lua_script_test.cc
+++ b/libs/ardour/test/lua_script_test.cc
@@ -32,7 +32,7 @@ LuaScriptTest::session_script_test ()
 
 		try {
 			script = Glib::file_get_contents (spi->path);
-		} catch (Glib::FileError e) {
+		} catch (Glib::FileError const& e) {
 			CPPUNIT_FAIL ("Cannot read script file");
 			continue;
 		}