oidn 2.0.1

A wrapper for the Intel OpenImageDenoise image denoising library.
Documentation 
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use std::env;
use std::path::PathBuf;

fn main() {
    if env::var("DOCS_RS").is_err() {
        if let Ok(e) = env::var("OIDN_DIR") {
            let mut oidn_dir = PathBuf::from(e);
            oidn_dir.push("lib");
            println!("cargo:rustc-link-search=native={}", oidn_dir.display());
        } else {
            println!("cargo:error=Please set OIDN_DIR=<path to OpenImageDenoise install root>");
            panic!("Failed to find OpenImageDenoise");
        }
        println!("cargo:rerun-if-env-changed=OIDN_DIR");
        println!("cargo:rustc-link-lib=OpenImageDenoise");
    }
}