git.sesse.net Git - bcachefs-tools-debian/blob - rust-src/bch_bindgen/build.rs

   1 fn main() {
   2     use std::path::PathBuf;
   3
   4     let out_dir: PathBuf = std::env::var_os("OUT_DIR")
   5         .expect("ENV Var 'OUT_DIR' Expected")
   6         .into();
   7     let top_dir: PathBuf = std::env::var_os("CARGO_MANIFEST_DIR")
   8         .expect("ENV Var 'CARGO_MANIFEST_DIR' Expected")
   9         .into();
  10
  11     let libbcachefs_inc_dir = std::path::Path::new("../..");
  12
  13     let _libbcachefs_dir = top_dir.join("libbcachefs").join("libbcachefs");
  14     let bindings = bindgen::builder()
  15         .header(
  16             top_dir
  17                 .join("src")
  18                 .join("libbcachefs_wrapper.h")
  19                 .display()
  20                 .to_string(),
  21         )
  22         .clang_arg(format!(
  23             "-I{}",
  24             libbcachefs_inc_dir.join("include").display()
  25         ))
  26         .clang_arg(format!("-I{}", libbcachefs_inc_dir.display()))
  27         .clang_arg("-DZSTD_STATIC_LINKING_ONLY")
  28         .clang_arg("-DNO_BCACHEFS_FS")
  29         .clang_arg("-D_GNU_SOURCE")
  30         .derive_debug(true)
  31         .derive_default(true)
  32         .derive_eq(true)
  33         .layout_tests(true)
  34         .default_enum_style(bindgen::EnumVariation::Rust {
  35             non_exhaustive: true,
  36         })
  37         .allowlist_function(".*bch2_.*")
  38         .allowlist_function("bio_.*")
  39         .allowlist_function("bch2_super_write_fd")
  40         .allowlist_function("derive_passphrase")
  41         .allowlist_function("request_key")
  42         .allowlist_function("add_key")
  43         .allowlist_function("keyctl_search")
  44         .blocklist_type("bch_extent_ptr")
  45         .blocklist_type("btree_node")
  46         .blocklist_type("bch_extent_crc32")
  47         .blocklist_type("rhash_lock_head")
  48         .blocklist_type("srcu_struct")
  49         .allowlist_var("BCH_.*")
  50         .allowlist_var("KEY_SPEC_.*")
  51         .allowlist_type("bch_kdf_types")
  52         .allowlist_type("bch_sb_field_.*")
  53         .allowlist_type("bch_encrypted_key")
  54         .allowlist_type("nonce")
  55         .newtype_enum("bch_kdf_types")
  56         .opaque_type("gendisk")
  57         .opaque_type("bkey")
  58         .opaque_type("gc_stripe")
  59         .opaque_type("open_bucket.*")
  60         .generate()
  61         .expect("BindGen Generation Failiure: [libbcachefs_wrapper]");
  62     bindings
  63         .write_to_file(out_dir.join("bcachefs.rs"))
  64         .expect("Writing to output file failed for: `bcachefs.rs`");
  65
  66     let keyutils = pkg_config::probe_library("libkeyutils").expect("Failed to find keyutils lib");
  67     let bindings = bindgen::builder()
  68         .header(
  69             top_dir
  70                 .join("src")
  71                 .join("keyutils_wrapper.h")
  72                 .display()
  73                 .to_string(),
  74         )
  75         .clang_args(
  76             keyutils
  77                 .include_paths
  78                 .iter()
  79                 .map(|p| format!("-I{}", p.display())),
  80         )
  81         .generate()
  82         .expect("BindGen Generation Failiure: [Keyutils]");
  83     bindings
  84         .write_to_file(out_dir.join("keyutils.rs"))
  85         .expect("Writing to output file failed for: `keyutils.rs`");
  86 }