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fn main() {
use std::path::PathBuf;
let out_dir: PathBuf = std::env::var_os("OUT_DIR").expect("ENV Var 'OUT_DIR' Expected").into();
let top_dir: PathBuf = std::env::var_os("CARGO_MANIFEST_DIR")
.expect("ENV Var 'CARGO_MANIFEST_DIR' Expected")
.into();
let libbcachefs_inc_dir =
std::env::var("LIBBCACHEFS_INCLUDE").unwrap_or_else(|_| top_dir.join("libbcachefs").display().to_string());
let libbcachefs_inc_dir = std::path::Path::new(&libbcachefs_inc_dir);
println!("{}", libbcachefs_inc_dir.display());
println!("cargo:rustc-link-lib=dylib=bcachefs");
println!("cargo:rustc-link-search={}", env!("LIBBCACHEFS_LIB"));
let _libbcachefs_dir = top_dir.join("libbcachefs").join("libbcachefs");
let bindings = bindgen::builder()
.header(top_dir.join("src").join("libbcachefs_wrapper.h").display().to_string())
.clang_arg(format!("-I{}", libbcachefs_inc_dir.join("include").display()))
.clang_arg(format!("-I{}", libbcachefs_inc_dir.display()))
.clang_arg("-DZSTD_STATIC_LINKING_ONLY")
.clang_arg("-DNO_BCACHEFS_FS")
.clang_arg("-D_GNU_SOURCE")
.derive_debug(true)
.derive_default(true)
.derive_eq(true)
.layout_tests(true)
.default_enum_style(bindgen::EnumVariation::Rust { non_exhaustive: true })
.allowlist_function(".*bch2_.*")
.allowlist_function("bio_.*")
.allowlist_function("bch2_super_write_fd")
.allowlist_function("derive_passphrase")
.allowlist_function("request_key")
.allowlist_function("add_key")
.allowlist_function("keyctl_search")
.blocklist_type("bch_extent_ptr")
.blocklist_type("btree_node")
.blocklist_type("bch_extent_crc32")
.blocklist_type("rhash_lock_head")
.blocklist_type("srcu_struct")
.allowlist_var("BCH_.*")
.allowlist_var("KEY_SPEC_.*")
.allowlist_type("bch_kdf_types")
.allowlist_type("bch_sb_field_.*")
.allowlist_type("bch_encrypted_key")
.allowlist_type("nonce")
.newtype_enum("bch_kdf_types")
.opaque_type("gendisk")
.opaque_type("bkey")
.opaque_type("gc_stripe")
.opaque_type("open_bucket.*")
.generate()
.expect("BindGen Generation Failiure: [libbcachefs_wrapper]");
bindings
.write_to_file(out_dir.join("bcachefs.rs"))
.expect("Writing to output file failed for: `bcachefs.rs`");
let keyutils = pkg_config::probe_library("libkeyutils").expect("Failed to find keyutils lib");
let bindings = bindgen::builder()
.header(top_dir.join("src").join("keyutils_wrapper.h").display().to_string())
.clang_args(keyutils.include_paths.iter().map(|p| format!("-I{}", p.display())))
.generate()
.expect("BindGen Generation Failiure: [Keyutils]");
bindings
.write_to_file(out_dir.join("keyutils.rs"))
.expect("Writing to output file failed for: `keyutils.rs`");
}
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