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Rust 编译出来的exe默认动态链接VC运行库，分发电脑上需要安装有Microsoft Visual C++ Redistributable for Visual Studio 2015运行库。
编译时能静态链接进去，就省去客户端未安装运行库的问题。方法如下:

只需在当前根目录下新建.cargo\config.toml，写入以下配置

目录结构

├── .cargo
│   └── config.toml
├── Cargo.lock
├── Cargo.toml
└── src└── main.rs

.cargo\config.toml

[target.'cfg(all(windows, target_env = "msvc"))']
rustflags = ["-C", "target-feature=+crt-static"]

测试代码main.rs

use windows::{core::h, Win32::UI::WindowsAndMessaging::{MessageBoxW, MB_OK}};fn main() {unsafe{MessageBoxW(None, h!("Demo"), h!("自带vcruntime140.dll"), MB_OK);}
}

Cargo.toml

[package]
name = "rust_vc_runtime"
version = "0.1.0"
edition = "2021"[dependencies.windows]
version = "0.58.0"
features = ["Win32_UI_WindowsAndMessaging","Win32_UI_Shell"
]

添加.cargo\config.toml和未添加.cargo\config.toml结果