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

   1
   2 #[derive(Debug)]
   3 pub struct Fix753 {}
   4 impl bindgen::callbacks::ParseCallbacks for Fix753 {
   5     fn item_name(&self, original_item_name: &str) -> Option<String> {
   6         Some(original_item_name.trim_start_matches("Fix753_").to_owned())
   7     }
   8 }
   9
  10 fn main() {
  11     use std::path::PathBuf;
  12
  13     println!("cargo:rerun-if-changed=src/libbcachefs_wrapper.h");
  14
  15     let out_dir: PathBuf = std::env::var_os("OUT_DIR")
  16         .expect("ENV Var 'OUT_DIR' Expected")
  17         .into();
  18     let top_dir: PathBuf = std::env::var_os("CARGO_MANIFEST_DIR")
  19         .expect("ENV Var 'CARGO_MANIFEST_DIR' Expected")
  20         .into();
  21
  22     let bindings = bindgen::builder()
  23         .header(
  24             top_dir
  25                 .join("src")
  26                 .join("libbcachefs_wrapper.h")
  27                 .display()
  28                 .to_string(),
  29         )
  30         .clang_arg("-I..")
  31         .clang_arg("-I../c_src")
  32         .clang_arg("-I../include")
  33         .clang_arg("-DZSTD_STATIC_LINKING_ONLY")
  34         .clang_arg("-DNO_BCACHEFS_FS")
  35         .clang_arg("-D_GNU_SOURCE")
  36         .clang_arg("-DRUST_BINDGEN")
  37         .clang_arg("-fkeep-inline-functions")
  38         .derive_debug(true)
  39         .derive_default(true)
  40         .layout_tests(true)
  41         .default_enum_style(bindgen::EnumVariation::Rust {
  42             non_exhaustive: true,
  43         })
  44         .allowlist_function("bcachefs_usage")
  45         .allowlist_function("raid_init")
  46         .allowlist_function("cmd_.*")
  47         .allowlist_function(".*_cmds")
  48         .allowlist_function(".*bch2_.*")
  49         .allowlist_function("bio_.*")
  50         .allowlist_function("derive_passphrase")
  51         .allowlist_function("request_key")
  52         .allowlist_function("add_key")
  53         .allowlist_function("keyctl_search")
  54         .allowlist_function("match_string")
  55         .allowlist_function("printbuf.*")
  56         .blocklist_type("bch_extent_ptr")
  57         .blocklist_type("btree_node")
  58         .blocklist_type("bch_extent_crc32")
  59         .blocklist_type("rhash_lock_head")
  60         .blocklist_type("srcu_struct")
  61         .allowlist_var("BCH_.*")
  62         .allowlist_var("KEY_SPEC_.*")
  63         .allowlist_var("Fix753_FMODE_.*")
  64         .allowlist_var("bch.*")
  65         .allowlist_var("__bch2.*")
  66         .allowlist_var("__BTREE_ITER.*")
  67         .allowlist_var("BTREE_ITER.*")
  68         .blocklist_item("bch2_bkey_ops")
  69         .allowlist_type("bch_.*")
  70         .allowlist_type("fsck_err_opts")
  71         .rustified_enum("fsck_err_opts")
  72         .allowlist_type("nonce")
  73         .no_debug("bch_replicas_padded")
  74         .newtype_enum("bch_kdf_types")
  75         .rustified_enum("bch_key_types")
  76         .opaque_type("gendisk")
  77         .opaque_type("gc_stripe")
  78         .opaque_type("open_bucket.*")
  79         .opaque_type("replicas_delta_list")
  80         .no_copy("btree_trans")
  81         .no_copy("printbuf")
  82         .no_partialeq("bkey")
  83         .no_partialeq("bpos")
  84         .generate_inline_functions(true)
  85         .parse_callbacks(Box::new(Fix753 {}))
  86         .generate()
  87         .expect("BindGen Generation Failiure: [libbcachefs_wrapper]");
  88     bindings
  89         .write_to_file(out_dir.join("bcachefs.rs"))
  90         .expect("Writing to output file failed for: `bcachefs.rs`");
  91
  92     let keyutils = pkg_config::probe_library("libkeyutils").expect("Failed to find keyutils lib");
  93     let bindings = bindgen::builder()
  94         .header(
  95             top_dir
  96                 .join("src")
  97                 .join("keyutils_wrapper.h")
  98                 .display()
  99                 .to_string(),
 100         )
 101         .clang_args(
 102             keyutils
 103                 .include_paths
 104                 .iter()
 105                 .map(|p| format!("-I{}", p.display())),
 106         )
 107         .generate()
 108         .expect("BindGen Generation Failiure: [Keyutils]");
 109     bindings
 110         .write_to_file(out_dir.join("keyutils.rs"))
 111         .expect("Writing to output file failed for: `keyutils.rs`");
 112 }