Set a custom fallback systemdir per OS

Signed-off-by: falkTX <falktx@falktx.com>

src/CardinalPlugin.cpp

@@ -151,11 +151,21 @@ struct Initializer
                 // If source code dir does not exist use install target prefix as system dir
                 else
                #endif
-                if (system::exists(CARDINAL_PLUGIN_PREFIX "/share/cardinal"))
                 {
-                    asset::bundlePath = CARDINAL_PLUGIN_PREFIX "/share/cardinal/PluginManifests";
+                   #if defined(ARCH_MAC)
+                    asset::systemDir = "/Library/Application Support/Cardinal";
+                   #elif defined(ARCH_WIN)
+                    if (const char* const commonprogfiles = std::getenv("COMMONPROGRAMFILES"))
+                        asset::systemDir = system::join(commonprogfiles, "Cardinal");
+                   #else
                     asset::systemDir = CARDINAL_PLUGIN_PREFIX "/share/cardinal";
-                    templatePath = system::join(asset::systemDir, "template.vcv");
+                   #endif
+
+                    if (! asset::systemDir.empty())
+                    {
+                        asset::bundlePath = system::join(asset::systemDir, "PluginManifests");
+                        templatePath = system::join(asset::systemDir, "template.vcv");
+                    }
                 }
             }
 

src/override/common.cpp

@@ -53,7 +53,7 @@ const std::string APP_VERSION_MAJOR = "2";
 const std::string APP_VERSION = "2.1";
 #if defined ARCH_WIN
 	const std::string APP_OS = "win";
-#elif ARCH_MAC
+#elif defined ARCH_MAC
 	const std::string APP_OS = "mac";
 #elif defined ARCH_LIN
 	const std::string APP_OS = "lin";