如何在源代码管理中管理Visual Studio项目的绝对文件路径？

Great question—this is a super common pain point when managing VS C++ projects with Git, and your initial two options are definitely not the best paths forward. Let’s break this down properly:

First, let’s address your existing ideas and the .vcxproj.user file #

• Option 1 (Removing .vcxproj): Bad idea. Without the project file, anyone cloning your repo won’t be able to open the project directly in VS—they’d have to rebuild the entire project structure from scratch, which is a huge hassle.
• Option 2 (Committing hardcoded absolute paths): Also not ideal. This "pollutes" the repo with machine-specific paths, so anyone else cloning the repo will get build errors until they manually edit the .vcxproj to match their own system paths.
• .vcxproj.user: This file is meant for user-specific settings (like debug window layouts, local debug paths, or personal IDE preferences) and should never be committed to Git. While you could stick absolute paths here, it won’t help with team collaboration—each user would have to manually set up their own .vcxproj.user file, and there’s no way to share common configuration.

The Better Solutions: Separating Shared vs. Local Configuration #

Here are the three most reliable approaches to keep your .vcxproj clean and Git-friendly:

1. Use Visual Studio Property Sheets (.props) #

This is the VS-native recommended approach for separating configuration:

• Create a shared property sheet (e.g., SharedDependencies.props) that contains team-wide, relative-path-based configuration (like paths to dependencies stored inside the repo). Commit this file to Git.
• Create a local property sheet (e.g., LocalDependencies.props) for your machine-specific absolute paths (like paths to external SDKs installed only on your system). Add this file to .gitignore so it never gets committed.
• In your .vcxproj, import both sheets (local should come after shared to override any conflicting settings):

  <Import Project="SharedDependencies.props" />
  <Import Project="LocalDependencies.props" Condition="Exists('LocalDependencies.props')" />
  

This way, everyone on the team gets the shared config from Git, and each person can set up their own local paths without messing with the main project file.

2. Use Environment Variables #

Replace hardcoded absolute paths in your .vcxproj with system environment variables:

• For example, instead of C:\SDKs\MyLib\include, use $(MY_LIB_INCLUDE_DIR).
• Each user sets these environment variables on their own system (either via Windows System Properties or VS’s own environment settings).
• You can even document the required environment variables in a README.md file so new contributors know what to set up.
• The .vcxproj stays clean of machine-specific paths and can be safely committed to Git.

3. Switch to CMake (If Feasible) #

If your project can accommodate it, using CMake to generate your VS project files is a great long-term solution:

• Write a CMakeLists.txt that defines your include directories, library paths, and build settings using either relative paths (for in-repo dependencies) or CMake’s find_package logic (for external SDKs).
• Commit only the CMakeLists.txt and source files to Git.
• Each user generates their own .vcxproj file locally using CMake, which automatically adapts to their system’s paths.
  This eliminates the need to manage .vcxproj files in Git entirely, as they’re just build artifacts.

Final Tips #

• Update your .gitignore to exclude user-specific files:

  *.vcxproj.user
  LocalDependencies.props
  

• Always test your setup by cloning the repo to a new machine to make sure the build works without manual edits to the .vcxproj.

内容的提问来源于stack exchange，提问作者James Meas