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 libbcachefs_inc_dir = std::path::Path::new("../c_src");
  23
  24     let bindings = bindgen::builder()
  25         .header(
  26             top_dir
  27                 .join("src")
  28                 .join("libbcachefs_wrapper.h")
  29                 .display()
  30                 .to_string(),
  31         )
  32         .clang_arg(format!(
  33             "-I{}",
  34             libbcachefs_inc_dir.join("include").display()
  35         ))
  36         .clang_arg(format!("-I{}", libbcachefs_inc_dir.display()))
  37         .clang_arg("-DZSTD_STATIC_LINKING_ONLY")
  38         .clang_arg("-DNO_BCACHEFS_FS")
  39         .clang_arg("-D_GNU_SOURCE")
  40         .clang_arg("-DRUST_BINDGEN")
  41         .clang_arg("-fkeep-inline-functions")
  42         .derive_debug(true)
  43         .derive_default(true)
  44         .layout_tests(true)
  45         .default_enum_style(bindgen::EnumVariation::Rust {
  46             non_exhaustive: true,
  47         })
  48         .allowlist_function("bcachefs_usage")
  49         .allowlist_function("raid_init")
  50         .allowlist_function("cmd_.*")
  51         .allowlist_function(".*_cmds")
  52         .allowlist_function(".*bch2_.*")
  53         .allowlist_function("bio_.*")
  54         .allowlist_function("derive_passphrase")
  55         .allowlist_function("request_key")
  56         .allowlist_function("add_key")
  57         .allowlist_function("keyctl_search")
  58         .allowlist_function("match_string")
  59         .allowlist_function("printbuf.*")
  60         .blocklist_type("bch_extent_ptr")
  61         .blocklist_type("btree_node")
  62         .blocklist_type("bch_extent_crc32")
  63         .blocklist_type("rhash_lock_head")
  64         .blocklist_type("srcu_struct")
  65         .allowlist_var("BCH_.*")
  66         .allowlist_var("KEY_SPEC_.*")
  67         .allowlist_var("Fix753_FMODE_.*")
  68         .allowlist_var("bch.*")
  69         .allowlist_var("__bch2.*")
  70         .allowlist_var("__BTREE_ITER.*")
  71         .allowlist_var("BTREE_ITER.*")
  72         .blocklist_item("bch2_bkey_ops")
  73         .allowlist_type("bch_.*")
  74         .allowlist_type("fsck_err_opts")
  75         .rustified_enum("fsck_err_opts")
  76         .allowlist_type("nonce")
  77         .no_debug("bch_replicas_padded")
  78         .newtype_enum("bch_kdf_types")
  79         .rustified_enum("bch_key_types")
  80         .opaque_type("gendisk")
  81         .opaque_type("gc_stripe")
  82         .opaque_type("open_bucket.*")
  83         .opaque_type("replicas_delta_list")
  84         .no_copy("btree_trans")
  85         .no_copy("printbuf")
  86         .no_partialeq("bkey")
  87         .no_partialeq("bpos")
  88         .generate_inline_functions(true)
  89         .parse_callbacks(Box::new(Fix753 {}))
  90         .generate()
  91         .expect("BindGen Generation Failiure: [libbcachefs_wrapper]");
  92     bindings
  93         .write_to_file(out_dir.join("bcachefs.rs"))
  94         .expect("Writing to output file failed for: `bcachefs.rs`");
  95
  96     let keyutils = pkg_config::probe_library("libkeyutils").expect("Failed to find keyutils lib");
  97     let bindings = bindgen::builder()
  98         .header(
  99             top_dir
 100                 .join("src")
 101                 .join("keyutils_wrapper.h")
 102                 .display()
 103                 .to_string(),
 104         )
 105         .clang_args(
 106             keyutils
 107                 .include_paths
 108                 .iter()
 109                 .map(|p| format!("-I{}", p.display())),
 110         )
 111         .generate()
 112         .expect("BindGen Generation Failiure: [Keyutils]");
 113     bindings
 114         .write_to_file(out_dir.join("keyutils.rs"))
 115         .expect("Writing to output file failed for: `keyutils.rs`");
 116 }