scirs2-metrics 0.1.0-rc.2

Machine Learning evaluation metrics module for SciRS2 (scirs2-metrics)
Documentation 
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#[allow(dead_code)]
fn main() {
    // Link pthread library for OpenBLAS static linking
    // This must be BEFORE openblas is linked
    #[cfg(target_os = "linux")]
    {
        println!("cargo:rustc-link-lib=pthread");
        println!("cargo:rustc-link-lib=gfortran");
        println!("cargo:rustc-link-lib=gomp");

        // Link OpenBLAS explicitly for BLAS/LAPACK functionality
        println!("cargo:rustc-link-lib=openblas");
    }

    #[cfg(target_os = "macos")]
    {
        println!("cargo:rustc-link-lib=pthread");
        // On macOS, use Accelerate framework
        println!("cargo:rustc-link-lib=framework=Accelerate");
    }

    // Force static linking of pthread
    #[cfg(target_os = "linux")]
    println!("cargo:rustc-link-arg=-Wl,--start-group");

    // Ensure proper link order - use architecture-agnostic paths
    #[cfg(all(target_os = "linux", target_arch = "x86_64"))]
    {
        println!("cargo:rustc-link-search=native=/usr/lib/x86_64-linux-gnu");
        println!("cargo:rustc-link-search=native=/lib/x86_64-linux-gnu");
        println!("cargo:rustc-link-search=native=/usr/lib/x86_64-linux-gnu/openblas-pthread");
    }

    #[cfg(all(target_os = "linux", target_arch = "aarch64"))]
    {
        println!("cargo:rustc-link-search=native=/usr/lib/aarch64-linux-gnu");
        println!("cargo:rustc-link-search=native=/lib/aarch64-linux-gnu");
        println!("cargo:rustc-link-search=native=/usr/lib/aarch64-linux-gnu/openblas-pthread");
    }

    // Add end-group to balance start-group
    #[cfg(target_os = "linux")]
    println!("cargo:rustc-link-arg=-Wl,--end-group");
}