Files
nanoreth/crates/libmdbx-rs/mdbx-sys/build.rs

93 lines
2.9 KiB
Rust

use bindgen::callbacks::{IntKind, ParseCallbacks};
use std::{env, path::PathBuf};
#[derive(Debug)]
struct Callbacks;
impl ParseCallbacks for Callbacks {
fn int_macro(&self, name: &str, _value: i64) -> Option<IntKind> {
match name {
"MDBX_SUCCESS"
| "MDBX_KEYEXIST"
| "MDBX_NOTFOUND"
| "MDBX_PAGE_NOTFOUND"
| "MDBX_CORRUPTED"
| "MDBX_PANIC"
| "MDBX_VERSION_MISMATCH"
| "MDBX_INVALID"
| "MDBX_MAP_FULL"
| "MDBX_DBS_FULL"
| "MDBX_READERS_FULL"
| "MDBX_TLS_FULL"
| "MDBX_TXN_FULL"
| "MDBX_CURSOR_FULL"
| "MDBX_PAGE_FULL"
| "MDBX_MAP_RESIZED"
| "MDBX_INCOMPATIBLE"
| "MDBX_BAD_RSLOT"
| "MDBX_BAD_TXN"
| "MDBX_BAD_VALSIZE"
| "MDBX_BAD_DBI"
| "MDBX_LOG_DONTCHANGE"
| "MDBX_DBG_DONTCHANGE"
| "MDBX_RESULT_TRUE"
| "MDBX_UNABLE_EXTEND_MAPSIZE"
| "MDBX_PROBLEM"
| "MDBX_LAST_LMDB_ERRCODE"
| "MDBX_BUSY"
| "MDBX_EMULTIVAL"
| "MDBX_EBADSIGN"
| "MDBX_WANNA_RECOVERY"
| "MDBX_EKEYMISMATCH"
| "MDBX_TOO_LARGE"
| "MDBX_THREAD_MISMATCH"
| "MDBX_TXN_OVERLAPPING"
| "MDBX_LAST_ERRCODE" => Some(IntKind::Int),
_ => Some(IntKind::UInt),
}
}
}
fn main() {
let mut mdbx = PathBuf::from(&env::var("CARGO_MANIFEST_DIR").unwrap());
mdbx.push("libmdbx");
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
let bindings = bindgen::Builder::default()
.header(mdbx.join("mdbx.h").to_string_lossy())
.allowlist_var("^(MDBX|mdbx)_.*")
.allowlist_type("^(MDBX|mdbx)_.*")
.allowlist_function("^(MDBX|mdbx)_.*")
.size_t_is_usize(true)
.ctypes_prefix("::libc")
.parse_callbacks(Box::new(Callbacks))
.layout_tests(false)
.prepend_enum_name(false)
.generate_comments(false)
.disable_header_comment()
.rustfmt_bindings(true)
.generate()
.expect("Unable to generate bindings");
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");
let mut mdbx = PathBuf::from(&env::var("CARGO_MANIFEST_DIR").unwrap());
mdbx.push("libmdbx");
let mut cc_builder = cc::Build::new();
cc_builder
.flag_if_supported("-Wno-unused-parameter")
.flag_if_supported("-Wbad-function-cast")
.flag_if_supported("-Wuninitialized");
let flags = format!("{:?}", cc_builder.get_compiler().cflags_env());
cc_builder
.define("MDBX_BUILD_FLAGS", flags.as_str())
.define("MDBX_TXN_CHECKOWNER", "0")
.file(mdbx.join("mdbx.c"))
.compile("libmdbx.a");
}