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Discover how to successfully set up a Cocos2dx project on Windows with LLVM, including essential steps to include the STL library.
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Setting Up Your Cocos2dx Project with QtCreator on Windows Using LLVM

If you've been tasked with porting a project from MacOS to Windows, particularly one that employs the Cocos2dx library with several Objective-C+ + files, you may encounter a few hurdles. One of the more common issues that developers face is configuring their development environment, particularly when it comes to including the standard C+ + library (STL) required for Cocos2dx to function correctly. In this guide, we will walk through the steps necessary to setup a Cocos2dx project on Windows utilizing QtCreator and LLVM, ensuring that you'll have access to the STL library required for your project.

The Problem: Missing STL Library

When using LLVM on Windows, you quickly realize that it does not come bundled with its own standard C+ + library. This can lead to frustration as you try to configure your project to recognize the C+ + standard libraries needed by Cocos2dx. Some common errors you might encounter include:

Missing header files when trying to include standard C+ + libraries

Linker errors during the build process

Inability to compile files that depend on STL

The Solution: Set Up Your Environment Correctly

Step 1: Install Visual Studio and Win10 SDK

The first step in resolving the missing STL issue is to ensure that you have the right tools installed. You will need to install:

Visual Studio: This integrated development environment (IDE) provides the necessary build tools and libraries.

Windows 10 SDK: The SDK is essential as it includes the standard libraries required by most applications, including those using Cocos2dx.

Step 2: Configure QtCreator

Once you have installed Visual Studio and the Win10 SDK, you'll want to configure QtCreator to use the correct toolchain:

Open QtCreator.

Navigate to Tools Options and then select the Kits tab.

Create a New Kit: Choose win32-clang-msvc as the compiler. This is crucial because it allows you to use the LLVM compiler in combination with the Microsoft Visual C+ + standard library, which includes STL.

Step 3: Select the Correct Compiler and Build Environment

After configuring the QtCreator kit:

Ensure that you select the win32-clang-msvc when creating or launching your project.

This selection will automatically link to the correct STL libraries bundled with the Win10 SDK.

Step 4: Build and Test Your Project

After you've made the above configurations, proceed to build your project:

Check for any additional errors regarding missing files or libraries.

Run the project to ensure that Cocos2dx operates as expected on Windows.

Conclusion

Setting up a Cocos2dx project on Windows using QtCreator and LLVM may initially seem daunting due to the absence of STL libraries. However, by ensuring that you have Visual Studio and the Win10 SDK installed and then configuring your QtCreator environment to use win32-clang-msvc, you can easily include the necessary STL libraries. Follow these organized steps, and you will pave a clear path for your project’s success on Windows!

Feel free to start your porting journey now, and watch your Cocos2dx project come to life on the Windows platform!