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

   1 fn main() {
   2         use std::path::PathBuf;
   3         // use std::process::Command;
   4
   5         let out_dir: PathBuf = std::env::var_os("OUT_DIR").expect("ENV Var 'OUT_DIR' Expected").into();
   6         let top_dir: PathBuf = std::env::var_os("CARGO_MANIFEST_DIR")
   7                 .expect("ENV Var 'CARGO_MANIFEST_DIR' Expected")
   8                 .into();
   9         let libbcachefs_inc_dir =
  10                 std::env::var("LIBBCACHEFS_INCLUDE").unwrap_or_else(|_| top_dir.join("libbcachefs").display().to_string());
  11         let libbcachefs_inc_dir = std::path::Path::new(&libbcachefs_inc_dir);
  12         println!("{}", libbcachefs_inc_dir.display());
  13
  14         println!("cargo:rustc-link-lib=dylib=bcachefs");
  15         println!("cargo:rustc-link-search={}", env!("LIBBCACHEFS_LIB"));
  16
  17         let _libbcachefs_dir = top_dir.join("libbcachefs").join("libbcachefs");
  18         let bindings = bindgen::builder()
  19                 .header(top_dir.join("src").join("libbcachefs_wrapper.h").display().to_string())
  20                 .clang_arg(format!("-I{}", libbcachefs_inc_dir.join("include").display()))
  21                 .clang_arg(format!("-I{}", libbcachefs_inc_dir.display()))
  22                 .clang_arg("-DZSTD_STATIC_LINKING_ONLY")
  23                 .clang_arg("-DNO_BCACHEFS_FS")
  24                 .clang_arg("-D_GNU_SOURCE")
  25                 .derive_debug(true)
  26                 .derive_default(true)
  27                 .derive_eq(true)
  28                 .layout_tests(true)
  29                 .default_enum_style(bindgen::EnumVariation::Rust { non_exhaustive: true })
  30                 .allowlist_function(".*bch2_.*")
  31                 // .allowlist_function("bch2_read_super")
  32                 // .allowlist_function("bch2_sb_field_.*")
  33                 // .allowlist_function("bch2_super_write")
  34                 // .allowlist_function("bch2_chacha_encrypt_key")
  35                 // .allowlist_function("__bch2_super_read")
  36                 .allowlist_function("bio_.*")
  37                 .allowlist_function("bch2_super_write_fd")
  38                 .allowlist_function("derive_passphrase")
  39                 .allowlist_function("request_key")
  40                 .allowlist_function("add_key")
  41                 .allowlist_function("keyctl_search")
  42                 .blocklist_type("bch_extent_ptr")
  43                 .blocklist_type("btree_node")
  44                 .blocklist_type("bch_extent_crc32")
  45                 .blocklist_type("rhash_lock_head")
  46                 .blocklist_type("srcu_struct")
  47                 .allowlist_var("BCH_.*")
  48                 .allowlist_var("KEY_SPEC_.*")
  49                 .allowlist_type("bch_kdf_types")
  50                 .allowlist_type("bch_sb_field_.*")
  51                 .allowlist_type("bch_encrypted_key")
  52                 .allowlist_type("nonce")
  53                 .newtype_enum("bch_kdf_types")
  54                 .opaque_type("gendisk")
  55                 .opaque_type("bkey")
  56                 // .opaque_type("bch_extent_ptr")
  57                 // .opaque_type("bch_extent_crc32")
  58                 .opaque_type("open_bucket.*")
  59                 .generate()
  60                 .expect("BindGen Generation Failiure: [libbcachefs_wrapper]");
  61         bindings
  62                 .write_to_file(out_dir.join("bcachefs.rs"))
  63                 .expect("Writing to output file failed for: `bcachefs.rs`");
  64
  65         let keyutils = pkg_config::probe_library("libkeyutils").expect("Failed to find keyutils lib");
  66         let bindings = bindgen::builder()
  67                 .header(top_dir.join("src").join("keyutils_wrapper.h").display().to_string())
  68                 .clang_args(keyutils.include_paths.iter().map(|p| format!("-I{}", p.display())))
  69                 .generate()
  70                 .expect("BindGen Generation Failiure: [Keyutils]");
  71         bindings
  72                 .write_to_file(out_dir.join("keyutils.rs"))
  73                 .expect("Writing to output file failed for: `keyutils.rs`");
  74 }