File: build.rs

package info (click to toggle)
notcurses 2.2.3%2Bdfsg.1-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 18,584 kB
  • sloc: ansic: 29,146; cpp: 17,002; python: 1,316; sh: 360; makefile: 33
file content (63 lines) | stat: -rw-r--r-- 2,284 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
extern crate bindgen;
extern crate pkg_config;

use std::env;
use std::path::PathBuf;

// largely taken from https://rust-lang.github.io/rust-bindgen/tutorial-3.html
fn main() {
    let plib = pkg_config::Config::new()
        .atleast_version("2.2.3")
        .probe("notcurses")
        .unwrap();

    // Tell cargo to invalidate the built crate whenever the wrapper changes
    println!("cargo:rerun-if-changed=build/wrapper.h");

    // The bindgen::Builder is the main entry point to bindgen, and lets you
    // build up options for the resulting bindings.
    let mut builder = bindgen::Builder::default()
        .use_core()
        .ctypes_prefix("cty")
        .clang_arg("-D_XOPEN_SOURCE")
        // The input header we would like to generate builder for.
        .header("build/wrapper.h")
        // generate comments, also from headers and not just doc comments (///)
        .generate_comments(true)
        .clang_arg("-fretain-comments-from-system-headers")
        .clang_arg("-fparse-all-comments")
        // Remove warnings about improper_ctypes
        .blacklist_function("strtold")
        .blacklist_function("wcstold")
        // Don't derive the Copy trait on types with destructors.
        .no_copy("ncdirect")
        .no_copy("ncdplot")
        .no_copy("ncfdplane")
        .no_copy("ncmenu")
        .no_copy("ncmultiselector")
        .no_copy("ncplane")
        .no_copy("ncreader")
        .no_copy("ncreel")
        .no_copy("ncselector")
        .no_copy("ncuplot")
        .no_copy("ncvisual")
        .no_copy("notcurses")
        // Tell cargo to invalidate the built crate whenever any of the
        // included header files changed.
        .parse_callbacks(Box::new(bindgen::CargoCallbacks));

    for d in plib.include_paths {
        builder = builder.clang_arg(format!("-I{}", d.to_string_lossy()));
    }

    // Finish the builder and generate the builder.
    let bindings = builder.generate()
        // Unwrap the Result and panic on failure.
        .expect("Unable to generate bindings");

    // Write the bindings to the $OUT_DIR/bindings.rs file.
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("bindings.rs"))
        .expect("Couldn't write bindings!");
}