prophet-sys 0.1.2

Low-level bindings for libprophet, a library to probe 6-piece "Prophet" chess endgame tablebases (depth to mate)
Documentation 
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use std::{env, path::PathBuf};

use tap::Pipe as _;

fn has_target_feature(feature: &str) -> bool {
    env::var("CARGO_CFG_TARGET_FEATURE")
        .unwrap()
        .split(',')
        .any(|f| f == feature)
}

fn main() {
    let out_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap());

    bindgen::builder()
        .layout_tests(false)
        .header("prophet_tb_gen_and_probe/src/prophet.h")
        .allowlist_function("prophet_.*")
        .allowlist_type("prophet_.*")
        .generate()
        .unwrap()
        .write_to_file(out_dir.join("bindings.rs"))
        .unwrap();

    cc::Build::new()
        .cpp(true)
        .std("c++17")
        .flag_if_supported("-Wno-unknown-pragmas") // Not using openmp
        .flag_if_supported("-Wall")
        .flag_if_supported("-Wcast-qual")
        .flag_if_supported("-fno-exceptions")
        .flag_if_supported("-funroll-loops")
        .flag_if_supported("-pedantic")
        .flag_if_supported("-Wextra")
        .flag_if_supported("-Wshadow")
        .include("prophet_tb_gen_and_probe/src")
        .include(env::var_os("DEP_ZSTD_INCLUDE").expect("provided by zstd-sys"))
        .pipe(|b| {
            if env::var("CARGO_CFG_TARGET_POINTER_WIDTH").unwrap() == "64" {
                b.define("IS_64BIT", None)
            } else {
                b
            }
        })
        .pipe(|b| {
            if has_target_feature("popcnt") {
                b.define("USE_POPCNT", None)
            } else {
                b
            }
        })
        .file("prophet_tb_gen_and_probe/src/bitboard.cpp")
        .file("prophet_tb_gen_and_probe/src/compressed_tb.cpp")
        .file("prophet_tb_gen_and_probe/src/eg_movegen.cpp")
        .file("prophet_tb_gen_and_probe/src/eg_position.cpp")
        .file("prophet_tb_gen_and_probe/src/egtb.cpp")
        .file("prophet_tb_gen_and_probe/src/egtb_ids.cpp")
        .file("prophet_tb_gen_and_probe/src/kkx.cpp")
        .file("prophet_tb_gen_and_probe/src/linearize.cpp")
        .file("prophet_tb_gen_and_probe/src/prophet.cpp")
        .file("prophet_tb_gen_and_probe/src/triangular_indexes.cpp")
        .file("prophet_tb_gen_and_probe/src/uci.cpp")
        .emit_rerun_if_env_changed(true)
        .compile("prophet");

    println!("cargo:root={}", out_dir.display());
    println!(
        "cargo:include={}",
        env::current_dir()
            .unwrap()
            .join("prophet_tb_gen_and_probe")
            .join("src")
            .display()
    );

    println!("cargo:rustc-link-lib=zstd");
}