COMMON: Change way the Singleton instances are instantiated

This fixes tons of warnings with clang from a recent xcode version on
macOS (and possibly other systems) complaining that an instantiation
of _singleton is required but no definition is available.

1 files changed, 0 insertions, 8 deletions

diff --git a/base/plugins.cpp b/base/plugins.cpp
index 39aaf2f73e..2414102f59 100644
--- a/base/plugins.cpp
+++ b/base/plugins.cpp
@@ -446,10 +446,6 @@ void PluginManager::addToPluginsInMemList(Plugin *plugin) {
 
 #include "engines/metaengine.h"
 
-namespace Common {
-DECLARE_SINGLETON(EngineManager);
-}
-
 /**
  * This function works for both cached and uncached PluginManagers.
  * For the cached version, most of the logic here will short circuit.
@@ -539,10 +535,6 @@ const EnginePlugin::List &EngineManager::getPlugins() const {
 
 #include "audio/musicplugin.h"
 
-namespace Common {
-DECLARE_SINGLETON(MusicManager);
-}
-
 const MusicPlugin::List &MusicManager::getPlugins() const {
 	return (const MusicPlugin::List &)PluginManager::instance().getPlugins(PLUGIN_TYPE_MUSIC);
 }