Add a fallback lib path for server creation

src/io/assets_android.cpp

@@ -631,3 +631,26 @@ std::string AssetsAndroid::getDataPath()
 
     return "";
 }
+
+//-----------------------------------------------------------------------------
+/** Get a path for internal lib directory
+ *  \return Path for internal lib directory or empty string when failed
+ */
+std::string AssetsAndroid::getLibPath()
+{
+#ifdef ANDROID
+    AndroidApplicationInfo application_info = 
+        CIrrDeviceAndroid::getApplicationInfo(global_android_app->activity);
+
+    std::string lib_path = application_info.native_lib_dir;
+
+    if (access(lib_path.c_str(), R_OK) != 0)
+    {
+        lib_path = "";
+    }
+
+    return lib_path;
+#endif
+
+    return "";
+}

src/io/assets_android.hpp

@@ -43,6 +43,7 @@ public:
 
     void init();
     static std::string getDataPath();
+    static std::string getLibPath();
 };
 
 

src/utils/separate_process.cpp

@@ -283,9 +283,27 @@ bool SeparateProcess::createChildProcess(const std::string& exe,
     }
     
     std::string data_path = AssetsAndroid::getDataPath();
-    std::string main_path = data_path + "/lib/libmain.so";
+    std::string main_path;
     
-    if (data_path.empty() || access(main_path.c_str(), R_OK) != 0)
+    if (!data_path.empty())
+    {
+        main_path = data_path + "/lib/libmain.so";
+    }
+
+    if (main_path.empty() || access(main_path.c_str(), R_OK) != 0)
+    {
+        std::string lib_path = AssetsAndroid::getLibPath();
+        
+        if (!lib_path.empty())
+        {
+            main_path = lib_path + "/libmain.so";
+        }
+        
+        Log::info("SeparateProcess", "Trying to use fallback lib path: %s", 
+                  main_path.c_str());
+    }
+        
+    if (main_path.empty() || access(main_path.c_str(), R_OK) != 0)
     {
         Log::error("SeparateProcess", "Error: Cannot read libmain.so");
         return false;