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feat: statically link cpp redist for MSVC target #91

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20 changes: 20 additions & 0 deletions core/build.rs
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Original file line number Diff line number Diff line change
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// SPDX-FileCopyrightText: © 2025 Sysand contributors <opensource@sensmetry.com>
// SPDX-License-Identifier: MIT OR Apache-2.0

fn main() -> Result<(), Box<dyn std::error::Error>> {
if std::env::var("CARGO_CFG_TARGET_ENV").unwrap_or_default() == "msvc" {
// Statically link VCRUNTIME140.dll when building for MSVC target
// because otherwise Sysand may segfault if the system has a conflicting
// version of VCRUNTIME140.dll.

// Do not link these versions of VCRUNTIME140.dll
println!("cargo:rustc-link-arg=/NODEFAULTLIB:libvcruntimed.lib");
println!("cargo:rustc-link-arg=/NODEFAULTLIB:vcruntime.lib");
println!("cargo:rustc-link-arg=/NODEFAULTLIB:vcruntimed.lib");
// Link this version of VCRUNTIME140.dll
println!("cargo:rustc-link-arg=/DEFAULTLIB:libvcruntime.lib");
return Ok(());
}

Ok(())
}
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