git.sesse.net Git - bcachefs-tools-debian/blob - rust-src/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     let out_dir: PathBuf = std::env::var_os("OUT_DIR")
  14         .expect("ENV Var 'OUT_DIR' Expected")
  15         .into();
  16     let top_dir: PathBuf = std::env::var_os("CARGO_MANIFEST_DIR")
  17         .expect("ENV Var 'CARGO_MANIFEST_DIR' Expected")
  18         .into();
  19
  20     let libbcachefs_inc_dir = std::path::Path::new("../..");
  21
  22     let _libbcachefs_dir = top_dir.join("libbcachefs").join("libbcachefs");
  23     let bindings = bindgen::builder()
  24         .header(
  25             top_dir
  26                 .join("src")
  27                 .join("libbcachefs_wrapper.h")
  28                 .display()
  29                 .to_string(),
  30         )
  31         .clang_arg(format!(
  32             "-I{}",
  33             libbcachefs_inc_dir.join("include").display()
  34         ))
  35         .clang_arg(format!("-I{}", libbcachefs_inc_dir.display()))
  36         .clang_arg("-DZSTD_STATIC_LINKING_ONLY")
  37         .clang_arg("-DNO_BCACHEFS_FS")
  38         .clang_arg("-D_GNU_SOURCE")
  39         .clang_arg("-fkeep-inline-functions")
  40         .derive_debug(true)
  41         .derive_default(true)
  42         .layout_tests(true)
  43         .default_enum_style(bindgen::EnumVariation::Rust {
  44             non_exhaustive: true,
  45         })
  46         .allowlist_function(".*bch2_.*")
  47         .allowlist_function("bio_.*")
  48         .allowlist_function("derive_passphrase")
  49         .allowlist_function("request_key")
  50         .allowlist_function("add_key")
  51         .allowlist_function("keyctl_search")
  52         .allowlist_function("match_string")
  53         .allowlist_function("printbuf.*")
  54         .blocklist_type("bch_extent_ptr")
  55         .blocklist_type("btree_node")
  56         .blocklist_type("bch_extent_crc32")
  57         .blocklist_type("rhash_lock_head")
  58         .blocklist_type("srcu_struct")
  59         .allowlist_var("BCH_.*")
  60         .allowlist_var("KEY_SPEC_.*")
  61         .allowlist_var("Fix753_FMODE_.*")
  62         .allowlist_var("bch.*")
  63         .allowlist_var("__BTREE_ITER.*")
  64         .allowlist_var("BTREE_ITER.*")
  65         .blocklist_item("bch2_bkey_ops")
  66         .allowlist_type("bch_.*")
  67         .allowlist_type("fsck_err_opts")
  68         .rustified_enum("fsck_err_opts")
  69         .allowlist_type("nonce")
  70         .no_debug("bch_replicas_padded")
  71         .newtype_enum("bch_kdf_types")
  72         .rustified_enum("bch_key_types")
  73         .opaque_type("gendisk")
  74         .opaque_type("gc_stripe")
  75         .opaque_type("open_bucket.*")
  76         .opaque_type("replicas_delta_list")
  77         .no_copy("btree_trans")
  78         .no_copy("printbuf")
  79         .no_partialeq("bkey")
  80         .no_partialeq("bpos")
  81         .generate_inline_functions(true)
  82         .parse_callbacks(Box::new(Fix753 {}))
  83         .generate()
  84         .expect("BindGen Generation Failiure: [libbcachefs_wrapper]");
  85     bindings
  86         .write_to_file(out_dir.join("bcachefs.rs"))
  87         .expect("Writing to output file failed for: `bcachefs.rs`");
  88
  89     let keyutils = pkg_config::probe_library("libkeyutils").expect("Failed to find keyutils lib");
  90     let bindings = bindgen::builder()
  91         .header(
  92             top_dir
  93                 .join("src")
  94                 .join("keyutils_wrapper.h")
  95                 .display()
  96                 .to_string(),
  97         )
  98         .clang_args(
  99             keyutils
 100                 .include_paths
 101                 .iter()
 102                 .map(|p| format!("-I{}", p.display())),
 103         )
 104         .generate()
 105         .expect("BindGen Generation Failiure: [Keyutils]");
 106     bindings
 107         .write_to_file(out_dir.join("keyutils.rs"))
 108         .expect("Writing to output file failed for: `keyutils.rs`");
 109 }