Скачать или смотреть How to Solve Linking Errors When Compiling C++ Applications with GLFW and Vulkan Using Clang

A step-by-step guide to resolve common linking issues faced while compiling C++ applications using GLFW and Vulkan with Clang on Windows. Learn how to adjust your build scripts effectively!
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Solving Linking Errors with GLFW and Vulkan in C++

If you're venturing into the world of C++ game development or graphics programming, you may come across challenges while trying to compile your applications, especially when using libraries like GLFW and Vulkan. A common issue arises when the linker throws a multitude of errors, making it frustrating to proceed with your project. In this article, we will explore a solution to these linking errors when compiling a C++ application using clang, along with a sample build script that resolves these issues.

Understanding the Problem

When you attempt to compile a C++ application that utilizes GLFW and Vulkan, you may encounter linker errors. These errors might include:

Unresolved external symbols, such as _malloc_dbg, _free_dbg, or library functions from the Windows API.

Linker errors indicating missing references from the GLFW library files.

These errors happen often due to missing dependencies during the linking stage of the compilation. They can be particularly troublesome for developers who are not very familiar with the intricacies of these libraries.

The Solution

After analyzing the initial linking errors, a refined approach to your build scripts can make a significant difference. Below, we will break down the steps to adjust your build script effectively.

Step 1: Include Necessary Libraries

One common resolution is to include additional libraries in your linker flags. Based on the errors encountered, you need to include certain Windows libraries that GLFW relies on, such as user32, kernel32, gdi32, and shell32.

Step 2: Exclude Unnecessary Libraries

At the same time, you can also exclude certain libraries that may conflict with the ones you are using. The /NODEFAULTLIB option helps exclude the static C library, thus reducing the potential for conflicts.

Updated Build Script

Here’s an updated version of the build script to compile your application:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Script Components

Include Flags: These flags specify where to find headers for Vulkan and GLFW, along with the necessary includes for your application.

Linker Flags: This section now includes additional libraries that GLFW interacts with while eliminating potential conflicts from the standard C runtime library.

Compiler Flags: These flags set the compiler to use C++17 and enable debugging information.

What’s Next?

Compile the application using the updated batch script. While this should largely resolve most unresolved symbols related to GLFW and Vulkan, be sure to check the output carefully for any new errors that may arise. If new linker errors are displayed, they may require further adjustments similar to those discussed.

Conclusion

By refining your build script and including the necessary libraries while excluding the potential conflicts, you can get past the frustrating linker errors. This step-by-step approach will allow you to successfully compile your C++ applications leveraging GLFW and Vulkan with Clang on Windows. Happy coding!