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Link with standard lib environment on more environments/targets #2

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5e909dd
decide the standard lib based on env and os
rajames Jul 12, 2025
b486397
now add a catch all standard lib
rajames Jul 12, 2025
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26 changes: 19 additions & 7 deletions build.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -906,6 +906,24 @@ fn patch_model_for_full_tflite(model_dir: &Path, use_full_tflite: bool) {
}
}

fn link_with_standard_library() {
if cfg!(target_os = "linux") {
println!("cargo:rustc-link-lib=stdc++");
} else if cfg!(target_os = "macos") {
println!("cargo:rustc-link-lib=c++");
} else if cfg!(target_os = "windows") {
if cfg!(target_env = "msvc") {
println!("cargo:rustc-link-lib=msvcrt");
} else {
println!("cargo:rustc-link-lib=stdc++"); // MinGW
}
} else {
println!("cargo:warning=Unknown platform, defaulting to stdc++");
println!("cargo:rustc-link-lib=stdc++");
}
}


fn main() {
println!("cargo:warning=DEBUG: Build script starting...");
println!(
Expand Down Expand Up @@ -1473,13 +1491,7 @@ fn main() {
println!("cargo:rustc-link-lib=static=edge-impulse-sdk");

// Link against C++ standard library
if env::var("TARGET_LINUX_AARCH64").is_ok() {
// For aarch64 cross-compilation, use the ARM64 C++ standard library (dynamic)
println!("cargo:rustc-link-lib=dylib=stdc++");
} else {
// Use c++ for macOS and other platforms
println!("cargo:rustc-link-lib=c++");
}
link_with_standard_library();

// Link against prebuilt TensorFlow Lite libraries when using full TensorFlow Lite
if use_full_tflite {
Expand Down